/* roulang page: index */
:root {
            --primary: #0f172a;
            --primary-light: #1e293b;
            --primary-mid: #334155;
            --accent: #10b981;
            --accent-hover: #059669;
            --accent-light: #d1fae5;
            --accent-glow: rgba(16, 185, 129, 0.25);
            --secondary: #f59e0b;
            --secondary-hover: #d97706;
            --secondary-light: #fef3c7;
            --bg: #f8fafc;
            --bg-white: #ffffff;
            --bg-alt: #f1f5f9;
            --text: #1e293b;
            --text-heading: #0f172a;
            --text-light: #64748b;
            --text-lighter: #94a3b8;
            --text-on-dark: #e2e8f0;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-xs: 6px;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --radius-full: 9999px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.07), 0 1px 3px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.10), 0 2px 6px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.16), 0 6px 16px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.15s ease;
            --transition: 0.3s ease;
            --transition-slow: 0.5s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1280px;
            --nav-height: 72px;
            --section-gap: 80px;
            --section-gap-sm: 48px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            font-size: inherit;
            transition: all var(--transition);
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            outline: none;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--bg-white);
            color: var(--text);
            width: 100%;
        }
        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px var(--accent-glow);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            display: flex;
            align-items: center;
            background: rgba(15, 23, 42, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            transition: all var(--transition);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
        }
        .site-header.scrolled {
            background: rgba(15, 23, 42, 0.95);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.18);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            gap: 32px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: #ffffff;
            letter-spacing: 0.03em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }
        .logo-link:hover {
            opacity: 0.85;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: #fff;
            font-weight: 900;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-wrap: nowrap;
        }
        .nav-links li a {
            display: block;
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.85);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .nav-links li a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-links li a.active {
            color: #ffffff;
            background: var(--accent);
            font-weight: 600;
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            background: var(--accent);
            color: #ffffff;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition);
            flex-shrink: 0;
            letter-spacing: 0.02em;
        }
        .nav-cta-btn:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(16, 185, 129, 0.35);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            padding: 8px;
            cursor: pointer;
            line-height: 1;
            flex-shrink: 0;
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: rgba(15, 23, 42, 0.97);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            padding: 20px 24px;
            flex-direction: column;
            gap: 4px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            z-index: 999;
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25);
        }
        .mobile-menu a {
            display: block;
            padding: 14px 16px;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
            font-size: 1rem;
            transition: all var(--transition-fast);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }
        .mobile-menu a.active {
            background: var(--accent);
            color: #fff;
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links li a {
                padding: 8px 11px;
                font-size: 0.85rem;
            }
            .nav-cta-btn {
                padding: 8px 15px;
                font-size: 0.82rem;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-cta-btn.desktop-only {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .mobile-menu.open {
                display: flex;
            }
            .header-inner {
                gap: 16px;
            }
        }
        @media (min-width: 769px) {
            .mobile-menu {
                display: none !important;
            }
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-position: center 30%;
            padding-top: var(--nav-height);
            overflow: hidden;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.75) 0%, rgba(15, 23, 42, 0.55) 40%, rgba(15, 23, 42, 0.8) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            padding: 60px 24px;
            color: #ffffff;
        }
        .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 8px 18px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
            animation: pulse-badge 2s ease-in-out infinite;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.5);
            }
            50% {
                box-shadow: 0 0 0 16px rgba(16, 185, 129, 0);
            }
        }
        .hero-title {
            font-family: var(--font-heading);
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .hero-subtitle {
            font-size: 1.15rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
            margin-bottom: 32px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.02em;
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 6px 24px rgba(16, 185, 129, 0.35);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(16, 185, 129, 0.45);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 1.1rem;
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }
        .hero-countdown {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }
        .countdown-item {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-lg);
            padding: 16px 20px;
            min-width: 80px;
            text-align: center;
            transition: all var(--transition);
        }
        .countdown-item .count-num {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1;
            color: #fff;
            font-family: var(--font-heading);
        }
        .countdown-item .count-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
            letter-spacing: 0.04em;
        }
        .hero-carousel-dots {
            display: flex;
            gap: 10px;
            justify-content: center;
            align-items: center;
            margin-top: 8px;
        }
        .carousel-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.4);
            cursor: pointer;
            transition: all var(--transition-fast);
            border: none;
            padding: 0;
        }
        .carousel-dot.active {
            background: var(--accent);
            width: 28px;
            border-radius: 20px;
        }
        .hero-sellpoint {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.9);
            font-weight: 500;
            min-height: 28px;
            transition: opacity 0.4s ease;
            letter-spacing: 0.02em;
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .countdown-item {
                min-width: 60px;
                padding: 12px 14px;
            }
            .countdown-item .count-num {
                font-size: 1.6rem;
            }
            .btn {
                padding: 12px 22px;
                font-size: 0.9rem;
            }
            .btn-lg {
                padding: 14px 28px;
                font-size: 1rem;
            }
        }

        /* ========== SECTIONS ========== */
        section {
            padding: var(--section-gap) 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--text-heading);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
            line-height: 1.3;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.8;
        }
        @media (max-width: 768px) {
            section {
                padding: var(--section-gap-sm) 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .section-desc {
                font-size: 0.95rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ========== METRICS / 指标看板 ========== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .metric-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .metric-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent-light);
        }
        .metric-card .metric-icon {
            font-size: 2rem;
            margin-bottom: 12px;
        }
        .metric-card .metric-value {
            font-family: var(--font-heading);
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--text-heading);
            line-height: 1;
        }
        .metric-card .metric-value span {
            color: var(--accent);
        }
        .metric-card .metric-label {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-top: 6px;
        }
        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .metric-card {
                padding: 20px 14px;
            }
            .metric-card .metric-value {
                font-size: 1.8rem;
            }
        }

        /* ========== 拼团玩法 ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .step-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            font-weight: 800;
            font-size: 1.3rem;
            margin-bottom: 16px;
        }
        .step-card h4 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-heading);
        }
        .step-card p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
        }
        @media (max-width: 1024px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 热门拼单卡片 ========== */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--accent-light);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            border-radius: 0;
        }
        .card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            background: var(--accent-light);
            color: var(--accent-hover);
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .card-title {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card-desc {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }
        .card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: var(--text-lighter);
            border-top: 1px solid var(--border-light);
            padding-top: 12px;
        }
        .card-meta .price {
            font-weight: 700;
            color: #ef4444;
            font-size: 1.1rem;
        }
        .card-meta .price-original {
            text-decoration: line-through;
            color: var(--text-lighter);
            font-size: 0.8rem;
            margin-left: 6px;
        }
        @media (max-width: 1024px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 600px) {
            .cards-grid {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin: 0 auto;
            }
        }

        /* ========== 服务矩阵 ========== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .service-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .service-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent-light);
        }
        .service-icon-box {
            width: 52px;
            height: 52px;
            border-radius: var(--radius);
            background: var(--accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            flex-shrink: 0;
        }
        .service-info h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-heading);
            margin-bottom: 6px;
        }
        .service-info p {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.6;
        }
        @media (max-width: 1024px) {
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 600px) {
            .service-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 片库轨道 ========== */
        .track-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding: 8px 0 20px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--border) transparent;
        }
        .track-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .track-scroll::-webkit-scrollbar-track {
            background: transparent;
        }
        .track-scroll::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 10px;
        }
        .track-card {
            flex: 0 0 280px;
            scroll-snap-align: start;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            cursor: pointer;
            position: relative;
        }
        .track-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .track-card img {
            width: 100%;
            aspect-ratio: 3 / 4;
            object-fit: cover;
            border-radius: 0;
        }
        .track-card .track-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 16px;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
            color: #fff;
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        }
        .track-overlay .track-title {
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 4px;
        }
        .track-overlay .track-cta {
            font-size: 0.8rem;
            color: var(--accent);
            font-weight: 600;
        }
        @media (max-width: 600px) {
            .track-card {
                flex: 0 0 220px;
            }
        }

        /* ========== 入口矩阵 ========== */
        .entry-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
        }
        .entry-item {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 24px 16px;
            text-align: center;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            cursor: pointer;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }
        .entry-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent);
            background: var(--accent-light);
        }
        .entry-icon {
            font-size: 2.2rem;
        }
        .entry-label {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-heading);
        }
        @media (max-width: 1024px) {
            .entry-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 520px) {
            .entry-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* ========== 限时入口 ========== */
        .limited-bar {
            background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
            border-radius: var(--radius-xl);
            padding: 32px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            border: 2px solid var(--secondary);
            box-shadow: 0 8px 32px rgba(245, 158, 11, 0.2);
        }
        .limited-info h3 {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 800;
            color: #92400e;
            margin-bottom: 6px;
        }
        .limited-info p {
            color: #a16207;
            font-size: 0.95rem;
        }
        .limited-timer {
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .limited-timer .lt-num {
            background: #92400e;
            color: #fff;
            font-weight: 800;
            font-size: 1.4rem;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            min-width: 44px;
            text-align: center;
            font-family: var(--font-heading);
        }
        .lt-sep {
            font-weight: 800;
            font-size: 1.4rem;
            color: #92400e;
        }
        @media (max-width: 768px) {
            .limited-bar {
                flex-direction: column;
                text-align: center;
                padding: 24px 20px;
            }
            .limited-timer .lt-num {
                font-size: 1.1rem;
                padding: 6px 10px;
                min-width: 36px;
            }
        }

        /* ========== 对比表格 ========== */
        .compare-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .compare-table th,
        .compare-table td {
            padding: 16px 20px;
            text-align: center;
            border-bottom: 1px solid var(--border-light);
        }
        .compare-table th {
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
        }
        .compare-table th:first-child {
            background: var(--primary-light);
        }
        .compare-table td {
            font-size: 0.9rem;
            color: var(--text);
        }
        .compare-table .highlight-col {
            background: var(--accent-light);
            font-weight: 600;
        }
        .compare-table .check-icon {
            color: var(--accent);
            font-weight: 800;
            font-size: 1.2rem;
        }
        .compare-table .cross-icon {
            color: #ef4444;
            font-weight: 800;
        }
        @media (max-width: 768px) {
            .compare-table th,
            .compare-table td {
                padding: 10px 12px;
                font-size: 0.8rem;
            }
        }

        /* ========== 品牌介绍 ========== */
        .brand-intro-block {
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            display: flex;
            gap: 40px;
            align-items: center;
            flex-wrap: wrap;
        }
        .brand-intro-text {
            flex: 1;
            min-width: 280px;
        }
        .brand-intro-text h3 {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .brand-intro-text p {
            font-size: 1rem;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.85);
        }
        .brand-intro-image {
            flex: 0 0 300px;
            border-radius: var(--radius-lg);
            overflow: hidden;
        }
        .brand-intro-image img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }
        @media (max-width: 768px) {
            .brand-intro-block {
                flex-direction: column;
                padding: 32px 20px;
            }
            .brand-intro-image {
                flex: 0 0 auto;
                width: 100%;
            }
        }

        /* ========== 新闻中心 ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 22px 24px;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--border-light);
            display: flex;
            gap: 20px;
            align-items: flex-start;
            transition: all var(--transition);
            flex-wrap: wrap;
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--accent-light);
            transform: translateX(4px);
        }
        .news-date {
            flex-shrink: 0;
            background: var(--accent-light);
            color: var(--accent-hover);
            font-weight: 700;
            font-size: 0.85rem;
            padding: 6px 14px;
            border-radius: var(--radius-full);
            white-space: nowrap;
        }
        .news-content {
            flex: 1;
            min-width: 200px;
        }
        .news-content h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-heading);
            margin-bottom: 6px;
        }
        .news-content p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
        }
        .news-readmore {
            flex-shrink: 0;
            align-self: center;
            color: var(--accent);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            background: var(--accent-light);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .news-readmore:hover {
            background: var(--accent);
            color: #fff;
        }
        @media (max-width: 600px) {
            .news-item {
                flex-direction: column;
                gap: 10px;
            }
            .news-readmore {
                align-self: flex-start;
            }
        }

        /* ========== 热门专题 ========== */
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .topic-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 24px;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition);
            cursor: pointer;
        }
        .topic-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--accent);
        }
        .topic-card .topic-icon {
            font-size: 2.5rem;
            margin-bottom: 10px;
        }
        .topic-card h4 {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-heading);
            margin-bottom: 4px;
        }
        .topic-card p {
            font-size: 0.82rem;
            color: var(--text-light);
        }
        @media (max-width: 1024px) {
            .topics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .topics-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-xs);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-q {
            padding: 18px 24px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-heading);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: background var(--transition-fast);
            font-family: var(--font-heading);
        }
        .faq-q:hover {
            background: var(--bg-alt);
        }
        .faq-q .faq-arrow {
            transition: transform var(--transition);
            font-size: 1.2rem;
            color: var(--text-light);
            flex-shrink: 0;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-a {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: all var(--transition);
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.7;
        }
        .faq-item.open .faq-a {
            padding: 0 24px 20px;
            max-height: 300px;
        }

        /* ========== 转化表单 ========== */
        .form-section-bg {
            background: var(--bg-alt);
            border-radius: var(--radius-xl);
            padding: 48px;
        }
        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .form-info h3 {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text-heading);
        }
        .form-info p {
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .form-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }
        .form-card .form-row {
            margin-bottom: 16px;
        }
        .form-card label {
            display: block;
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 6px;
            color: var(--text-heading);
        }
        .form-card .btn-full {
            width: 100%;
            justify-content: center;
            padding: 14px;
            font-size: 1rem;
            margin-top: 8px;
        }
        .privacy-note {
            font-size: 0.78rem;
            color: var(--text-lighter);
            text-align: center;
            margin-top: 10px;
        }
        @media (max-width: 768px) {
            .form-grid {
                grid-template-columns: 1fr;
            }
            .form-section-bg {
                padding: 28px 16px;
            }
        }

        /* ========== CTA / 开团入口 ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, #1a2744 100%);
            color: #fff;
            text-align: center;
            border-radius: var(--radius-xl);
            padding: 56px 36px;
            margin: 0 24px;
        }
        .cta-section h3 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .btn {
            font-size: 1.1rem;
            padding: 16px 40px;
        }
        @media (max-width: 768px) {
            .cta-section {
                margin: 0 12px;
                padding: 36px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section h3 {
                font-size: 1.5rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 28px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-col h4 {
            font-weight: 700;
            font-size: 0.95rem;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        /* ========== UTILS ========== */
        .text-center {
            text-align: center;
        }
        .mt-0 {
            margin-top: 0;
        }
        .bg-white {
            background: var(--bg-white);
        }
        .bg-alt {
            background: var(--bg-alt);
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }

/* roulang page: category3 */
:root {
            --primary: #0f172a;
            --primary-light: #1e293b;
            --primary-mid: #334155;
            --accent: #10b981;
            --accent-hover: #059669;
            --accent-light: #d1fae5;
            --accent-glow: rgba(16, 185, 129, 0.25);
            --secondary: #f59e0b;
            --secondary-hover: #d97706;
            --secondary-light: #fef3c7;
            --bg: #f8fafc;
            --bg-white: #ffffff;
            --bg-alt: #f1f5f9;
            --text: #1e293b;
            --text-heading: #0f172a;
            --text-light: #64748b;
            --text-lighter: #94a3b8;
            --text-on-dark: #e2e8f0;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-xs: 6px;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --radius-full: 9999px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.07), 0 1px 3px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.10), 0 2px 6px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.16), 0 6px 16px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.15s ease;
            --transition: 0.3s ease;
            --transition-slow: 0.5s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1280px;
            --nav-height: 72px;
            --section-gap: 80px;
            --section-gap-sm: 48px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
            padding-top: var(--nav-height);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            font-size: inherit;
            transition: all var(--transition);
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            outline: none;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--bg-white);
            color: var(--text);
            width: 100%;
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px var(--accent-glow);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            display: flex;
            align-items: center;
            background: rgba(15, 23, 42, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            transition: all var(--transition);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
        }

        .site-header.scrolled {
            background: rgba(15, 23, 42, 0.95);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.18);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            gap: 32px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: #ffffff;
            letter-spacing: 0.03em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }

        .logo-link:hover {
            opacity: 0.85;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 6px;
            align-items: center;
            flex-wrap: wrap;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 14px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.82);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .nav-links li a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.1);
        }

        .nav-links li a.active {
            color: #ffffff;
            background: var(--accent);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(16, 185, 129, 0.35);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            padding: 10px 20px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            background: var(--accent);
            color: #ffffff;
            letter-spacing: 0.03em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition);
            box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
        }

        .nav-cta-btn:hover {
            background: var(--accent-hover);
            box-shadow: 0 4px 16px rgba(16, 185, 129, 0.45);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            background: none;
            color: #ffffff;
            font-size: 1.6rem;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.2);
            line-height: 1;
            transition: all var(--transition-fast);
        }

        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.4);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: rgba(15, 23, 42, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            padding: 16px 24px;
            flex-direction: column;
            gap: 4px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: var(--shadow-lg);
            z-index: 999;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius);
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
            font-size: 1rem;
            transition: all var(--transition-fast);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
        }
        .mobile-menu a.active {
            color: var(--accent);
            font-weight: 700;
        }

        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .desktop-only {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .header-inner {
                gap: 16px;
            }
        }

        @media (min-width: 1025px) {
            .mobile-menu {
                display: none !important;
            }
        }

        /* ========== SECTION BASE ========== */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-sm {
            padding: var(--section-gap-sm) 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 8px;
            padding: 4px 12px;
            background: var(--accent-light);
            border-radius: var(--radius-full);
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-heading);
            letter-spacing: 0.02em;
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 700px;
            line-height: 1.7;
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-header.centered {
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .section-header.centered .section-subtitle {
            max-width: 700px;
            margin: 0 auto;
        }

        /* ========== HERO BANNER ========== */
        .hero-banner {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            padding: 48px 0 40px;
            position: relative;
            overflow: hidden;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-banner-inner {
            display: flex;
            align-items: center;
            gap: 40px;
            position: relative;
            z-index: 1;
        }
        .hero-banner-content {
            flex: 1;
            min-width: 0;
        }
        .hero-banner-content h1 {
            font-family: var(--font-heading);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--text-heading);
            letter-spacing: 0.02em;
            line-height: 1.25;
            margin-bottom: 12px;
        }
        .hero-banner-content h1 .highlight {
            color: var(--accent);
            position: relative;
        }
        .hero-banner-content .hero-desc {
            font-size: 1.05rem;
            color: var(--text-light);
            line-height: 1.7;
            max-width: 580px;
            margin-bottom: 20px;
        }
        .hero-banner-visual {
            flex-shrink: 0;
            width: 320px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .hero-banner-visual img {
            width: 100%;
            height: auto;
            border-radius: var(--radius-lg);
            object-fit: cover;
        }
        .hero-stats-row {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-light);
            font-weight: 500;
        }
        .hero-stat-item .stat-num {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent);
            font-family: var(--font-heading);
        }
        @media (max-width: 768px) {
            .hero-banner-inner {
                flex-direction: column;
                gap: 24px;
            }
            .hero-banner-visual {
                width: 100%;
                max-width: 400px;
            }
            .hero-banner-content h1 {
                font-size: 1.8rem;
            }
            .hero-stats-row {
                gap: 16px;
            }
        }

        /* ========== METRICS DASHBOARD ========== */
        .metrics-dashboard {
            background: var(--primary);
            color: var(--text-on-dark);
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }
        .metrics-dashboard::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: 20%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(16, 185, 129, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
            z-index: 1;
        }
        .metric-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition);
            backdrop-filter: blur(4px);
        }
        .metric-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }
        .metric-icon {
            font-size: 2.4rem;
            margin-bottom: 12px;
            display: block;
        }
        .metric-value {
            font-family: var(--font-heading);
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.02em;
            line-height: 1;
            margin-bottom: 6px;
        }
        .metric-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }
        .metric-sub {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 4px;
        }
        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .metric-value {
                font-size: 2rem;
            }
        }

        /* ========== SERVICE MATRIX ========== */
        .service-matrix {
            background: var(--bg-white);
        }
        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .matrix-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .matrix-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--accent);
            transform: translateY(-2px);
        }
        .matrix-card .matrix-icon {
            width: 48px;
            height: 48px;
            background: var(--accent-light);
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .matrix-card h3 {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }
        .matrix-card p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
        }
        .matrix-card .matrix-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: var(--radius-full);
            background: var(--accent-light);
            color: var(--accent);
            margin-top: 12px;
            letter-spacing: 0.04em;
        }
        @media (max-width: 1024px) {
            .matrix-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .matrix-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== COMPARISON ========== */
        .comparison-section {
            background: var(--bg-alt);
        }
        .comparison-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            background: var(--bg-white);
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }
        .comparison-table thead th {
            background: var(--primary);
            color: #ffffff;
            padding: 16px 20px;
            font-weight: 600;
            font-size: 0.95rem;
            text-align: left;
            letter-spacing: 0.03em;
        }
        .comparison-table thead th:first-child {
            border-radius: var(--radius-lg) 0 0 0;
        }
        .comparison-table thead th:last-child {
            border-radius: 0 var(--radius-lg) 0 0;
        }
        .comparison-table tbody td {
            padding: 14px 20px;
            border-bottom: 1px solid var(--border);
            font-size: 0.9rem;
            color: var(--text);
            vertical-align: middle;
        }
        .comparison-table tbody tr:last-child td {
            border-bottom: none;
        }
        .comparison-table tbody tr:hover {
            background: var(--bg-alt);
        }
        .check-icon {
            color: var(--accent);
            font-weight: 700;
            font-size: 1.1rem;
        }
        .cross-icon {
            color: #ef4444;
            font-weight: 700;
            font-size: 1.1rem;
        }
        .highlight-row {
            background: var(--accent-light);
        }

        /* ========== DEEP CONTENT ========== */
        .deep-content {
            background: var(--bg-white);
        }
        .deep-content-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .deep-content-text h3 {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .deep-content-text p {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 12px;
        }
        .deep-content-visual {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .deep-content-visual img {
            width: 100%;
            height: auto;
            border-radius: var(--radius-lg);
            object-fit: cover;
        }
        @media (max-width: 768px) {
            .deep-content-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .deep-content-visual {
                order: -1;
            }
        }

        /* ========== FEATURE LIST ========== */
        .feature-list-section {
            background: var(--bg);
        }
        .feature-list-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .feature-list-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: var(--bg-white);
            padding: 20px;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .feature-list-item:hover {
            box-shadow: var(--shadow);
            border-color: var(--accent);
        }
        .feature-list-icon {
            width: 40px;
            height: 40px;
            background: var(--accent-light);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        .feature-list-body h4 {
            font-family: var(--font-heading);
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 4px;
        }
        .feature-list-body p {
            font-size: 0.85rem;
            color: var(--text-light);
            line-height: 1.5;
        }
        @media (max-width: 768px) {
            .feature-list-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== SOCIAL PROOF ========== */
        .social-proof {
            background: var(--bg-white);
        }
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .testimonial-card {
            background: var(--bg);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--accent);
        }
        .testimonial-card .quote {
            font-size: 0.9rem;
            color: var(--text);
            line-height: 1.7;
            font-style: italic;
            margin-bottom: 14px;
            position: relative;
            padding-left: 16px;
            border-left: 3px solid var(--accent);
        }
        .testimonial-card .author {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-heading);
        }
        .testimonial-card .author-role {
            font-size: 0.8rem;
            color: var(--text-lighter);
        }
        @media (max-width: 1024px) {
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-alt);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            background: none;
            padding: 18px 20px;
            text-align: left;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-heading);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            letter-spacing: 0.02em;
            cursor: pointer;
            border: none;
            font-family: inherit;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-arrow {
            font-size: 0.8rem;
            transition: transform var(--transition);
            flex-shrink: 0;
            color: var(--text-lighter);
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ========== CTA FORM ========== */
        .cta-form-section {
            background: var(--primary);
            color: #ffffff;
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-form-section::before {
            content: '';
            position: absolute;
            top: -80px;
            left: -60px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(16, 185, 129, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-form-inner {
            display: flex;
            gap: 40px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .cta-form-text {
            flex: 1;
        }
        .cta-form-text h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            margin-bottom: 12px;
            color: #ffffff;
        }
        .cta-form-text p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            max-width: 500px;
        }
        .cta-form-wrap {
            flex: 1;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 28px;
            backdrop-filter: blur(8px);
        }
        .cta-form-wrap .form-row {
            display: flex;
            gap: 12px;
            margin-bottom: 12px;
        }
        .cta-form-wrap input {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #ffffff;
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 0.9rem;
        }
        .cta-form-wrap input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .cta-form-wrap input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px var(--accent-glow);
            background: rgba(255, 255, 255, 0.15);
        }
        .cta-form-wrap .btn-submit {
            width: 100%;
            padding: 14px 24px;
            background: var(--accent);
            color: #ffffff;
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-sm);
            letter-spacing: 0.04em;
            cursor: pointer;
            border: none;
            transition: all var(--transition);
            font-family: inherit;
        }
        .cta-form-wrap .btn-submit:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 24px rgba(16, 185, 129, 0.4);
            transform: translateY(-1px);
        }
        @media (max-width: 768px) {
            .cta-form-inner {
                flex-direction: column;
                gap: 24px;
            }
            .cta-form-text h2 {
                font-size: 1.5rem;
            }
            .cta-form-wrap .form-row {
                flex-direction: column;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
            font-size: 0.9rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.2rem;
            color: #ffffff;
            margin-bottom: 8px;
            letter-spacing: 0.03em;
        }
        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.6);
            max-width: 280px;
        }
        .footer-col h4 {
            font-family: var(--font-heading);
            font-weight: 600;
            font-size: 0.95rem;
            color: #ffffff;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 6px;
        }
        .footer-col ul li a,
        .footer-col ul li span {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
            justify-content: center;
            text-align: center;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 6px;
            }
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            transition: all var(--transition);
            cursor: pointer;
            gap: 8px;
            white-space: nowrap;
            font-family: inherit;
        }
        .btn-primary {
            background: var(--accent);
            color: #ffffff;
            box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 20px rgba(16, 185, 129, 0.45);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #ffffff;
            border-color: var(--primary);
        }
        .btn-light {
            background: #ffffff;
            color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .btn-light:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .btn-lg {
            padding: 15px 32px;
            font-size: 1.05rem;
            border-radius: var(--radius-full);
        }

        /* ========== UTILITIES ========== */
        .text-accent {
            color: var(--accent);
        }
        .text-center {
            text-align: center;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .gap-8 {
            gap: 8px;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .d-flex {
            display: flex;
        }
        .align-center {
            align-items: center;
        }
        .justify-center {
            justify-content: center;
        }

/* roulang page: category1 */
:root {
            --primary: #0f172a;
            --primary-light: #1e293b;
            --primary-mid: #334155;
            --accent: #10b981;
            --accent-hover: #059669;
            --accent-light: #d1fae5;
            --accent-glow: rgba(16, 185, 129, 0.25);
            --secondary: #f59e0b;
            --secondary-hover: #d97706;
            --secondary-light: #fef3c7;
            --bg: #f8fafc;
            --bg-white: #ffffff;
            --bg-alt: #f1f5f9;
            --text: #1e293b;
            --text-heading: #0f172a;
            --text-light: #64748b;
            --text-lighter: #94a3b8;
            --text-on-dark: #e2e8f0;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-xs: 6px;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --radius-full: 9999px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.07), 0 1px 3px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.10), 0 2px 6px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.16), 0 6px 16px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.15s ease;
            --transition: 0.3s ease;
            --transition-slow: 0.5s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1280px;
            --nav-height: 72px;
            --section-gap: 80px;
            --section-gap-sm: 48px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
            padding-top: var(--nav-height);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            font-size: inherit;
            transition: all var(--transition);
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            outline: none;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--bg-white);
            color: var(--text);
            width: 100%;
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px var(--accent-glow);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            display: flex;
            align-items: center;
            background: rgba(15, 23, 42, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            transition: all var(--transition);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
        }

        .site-header.scrolled {
            background: rgba(15, 23, 42, 0.95);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.18);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            gap: 32px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: #ffffff;
            letter-spacing: 0.03em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }

        .logo-link:hover {
            opacity: 0.85;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 6px;
            align-items: center;
            flex-wrap: wrap;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.82);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .nav-links a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.10);
        }

        .nav-links a.active {
            color: #ffffff;
            background: rgba(16, 185, 129, 0.25);
            font-weight: 600;
            box-shadow: 0 0 0 1px rgba(16, 185, 129, 0.35);
        }

        .nav-cta-btn {
            display: inline-block;
            padding: 10px 20px;
            border-radius: var(--radius-full);
            background: var(--accent);
            color: #ffffff;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.02em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition);
            box-shadow: 0 2px 12px rgba(16, 185, 129, 0.35);
        }

        .nav-cta-btn:hover {
            background: var(--accent-hover);
            box-shadow: 0 4px 20px rgba(16, 185, 129, 0.5);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            background: none;
            color: #ffffff;
            font-size: 1.6rem;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: rgba(15, 23, 42, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            flex-direction: column;
            padding: 16px 24px;
            gap: 4px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.10);
            box-shadow: var(--shadow-lg);
            z-index: 999;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
        }

        .mobile-menu a.active {
            background: rgba(16, 185, 129, 0.22);
            font-weight: 600;
        }

        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .desktop-only {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .header-inner {
                gap: 16px;
            }
        }

        @media (min-width: 1025px) {
            .mobile-menu {
                display: none !important;
            }
        }

        /* ========== HERO - 裂变邀请 ========== */
        .hero-section {
            position: relative;
            background: linear-gradient(160deg, #0f172a 0%, #1a2744 35%, #0f2d3d 70%, #0f172a 100%);
            min-height: 620px;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding: 60px 0;
        }

        .hero-bg-img {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.3;
            z-index: 0;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(16, 185, 129, 0.12) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(245, 158, 11, 0.10) 0%, transparent 55%),
                linear-gradient(180deg, rgba(15, 23, 42, 0.55) 0%, rgba(15, 23, 42, 0.75) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        .hero-text h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

        .hero-text h1 .highlight {
            color: var(--accent);
            position: relative;
            display: inline-block;
        }

        .hero-text h1 .highlight::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 0;
            right: 0;
            height: 6px;
            background: rgba(16, 185, 129, 0.3);
            border-radius: 3px;
            z-index: -1;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.78);
            margin-bottom: 28px;
            line-height: 1.7;
            max-width: 480px;
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: var(--radius-full);
            background: var(--accent);
            color: #ffffff;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.03em;
            transition: all var(--transition);
            box-shadow: 0 4px 20px rgba(16, 185, 129, 0.4);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 28px rgba(16, 185, 129, 0.55);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: var(--radius-full);
            background: transparent;
            color: #ffffff;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.03em;
            border: 2px solid rgba(255, 255, 255, 0.35);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-outline-light:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        .hero-reward-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-xl);
            padding: 32px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            position: relative;
            z-index: 2;
        }

        .hero-reward-card h3 {
            color: #ffffff;
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            font-family: var(--font-heading);
        }

        .hero-reward-card .reward-desc {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            margin-bottom: 20px;
        }

        .progress-bar-wrap {
            background: rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-full);
            height: 14px;
            overflow: hidden;
            margin-bottom: 16px;
        }

        .progress-bar-fill {
            height: 100%;
            background: linear-gradient(90deg, #10b981, #34d399, #f59e0b);
            border-radius: var(--radius-full);
            width: 35%;
            transition: width 1s ease;
            position: relative;
        }

        .progress-bar-fill::after {
            content: '';
            position: absolute;
            right: 2px;
            top: 50%;
            transform: translateY(-50%);
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: #ffffff;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
        }

        .reward-milestones {
            display: flex;
            justify-content: space-between;
            gap: 6px;
            flex-wrap: wrap;
        }

        .milestone-item {
            text-align: center;
            flex: 1;
            min-width: 55px;
        }

        .milestone-num {
            font-weight: 700;
            font-size: 0.85rem;
            color: #ffffff;
            display: block;
        }

        .milestone-label {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.6);
            display: block;
            margin-top: 2px;
        }

        .milestone-item.reached .milestone-num {
            color: var(--accent);
        }

        .milestone-item.reached .milestone-label {
            color: rgba(16, 185, 129, 0.8);
        }

        @media (max-width: 900px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 32px;
                text-align: center;
            }
            .hero-text h1 {
                font-size: 2rem;
            }
            .hero-subtitle {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            .hero-cta-group {
                justify-content: center;
            }
            .hero-section {
                min-height: auto;
                padding: 40px 0;
            }
            .hero-reward-card {
                padding: 24px;
            }
        }

        @media (max-width: 520px) {
            .hero-text h1 {
                font-size: 1.6rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .btn-primary,
            .btn-outline-light {
                padding: 12px 22px;
                font-size: 0.9rem;
            }
            .reward-milestones {
                gap: 4px;
            }
            .milestone-num {
                font-size: 0.75rem;
            }
            .milestone-label {
                font-size: 0.65rem;
            }
        }

        /* ========== SECTION COMMONS ========== */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-sm {
            padding: var(--section-gap-sm) 0;
        }

        .section-alt {
            background: var(--bg-alt);
        }

        .section-dark {
            background: var(--primary);
            color: var(--text-on-dark);
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .section-dark .section-header h2 {
            color: #ffffff;
        }

        .section-header .section-subtitle {
            color: var(--text-light);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-dark .section-header .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== 指标看板 ========== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .metric-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .metric-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--accent-light);
        }

        .metric-card .metric-icon {
            font-size: 2.2rem;
            margin-bottom: 12px;
            display: block;
        }

        .metric-card .metric-value {
            font-family: var(--font-heading);
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--text-heading);
            line-height: 1;
            margin-bottom: 6px;
        }

        .metric-card .metric-value .suffix {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--accent);
        }

        .metric-card .metric-label {
            color: var(--text-light);
            font-size: 0.9rem;
            font-weight: 500;
        }

        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), var(--secondary));
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            opacity: 0;
            transition: opacity var(--transition);
        }

        .metric-card:hover::before {
            opacity: 1;
        }

        @media (max-width: 900px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .metric-card .metric-value {
                font-size: 1.8rem;
            }
        }

        /* ========== 服务矩阵 ========== */
        .service-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--accent-light);
        }

        .service-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 0;
        }

        .service-card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .service-card-body h3 {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 8px;
        }

        .service-card-body p {
            color: var(--text-light);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 16px;
            flex: 1;
        }

        .service-tag {
            display: inline-block;
            padding: 5px 12px;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 600;
            background: var(--accent-light);
            color: var(--accent-hover);
            align-self: flex-start;
        }

        .service-tag.popular {
            background: var(--secondary-light);
            color: var(--secondary-hover);
        }

        @media (max-width: 900px) {
            .service-matrix {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 600px) {
            .service-matrix {
                grid-template-columns: 1fr;
            }
            .service-card-img {
                height: 180px;
            }
        }

        /* ========== 热门赛事列表 ========== */
        .event-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .event-item {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            display: flex;
            gap: 16px;
            align-items: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .event-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--accent-light);
            transform: translateX(3px);
        }

        .event-date-badge {
            flex-shrink: 0;
            width: 60px;
            height: 60px;
            border-radius: var(--radius);
            background: var(--primary);
            color: #ffffff;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            line-height: 1;
        }

        .event-date-badge .month {
            font-size: 0.75rem;
            letter-spacing: 0.05em;
        }

        .event-date-badge .day {
            font-size: 1.4rem;
        }

        .event-info h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 4px;
            font-size: 1rem;
        }

        .event-info .event-meta {
            font-size: 0.82rem;
            color: var(--text-light);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .event-info .event-meta span {
            display: inline-flex;
            align-items: center;
            gap: 3px;
        }

        @media (max-width: 700px) {
            .event-list {
                grid-template-columns: 1fr;
            }
            .event-item {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }
            .event-date-badge {
                width: 50px;
                height: 50px;
            }
            .event-date-badge .day {
                font-size: 1.1rem;
            }
        }

        /* ========== 裂变邀请详情 ========== */
        .invite-detail-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .invite-steps {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .invite-step {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 18px 20px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .invite-step:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--accent-light);
        }

        .step-number {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--accent);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
        }

        .step-content h4 {
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 4px;
            font-family: var(--font-heading);
        }

        .step-content p {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.6;
        }

        .reward-tier-card {
            background: linear-gradient(145deg, #0f172a, #1e293b);
            border-radius: var(--radius-xl);
            padding: 32px;
            color: #ffffff;
            box-shadow: var(--shadow-lg);
        }

        .reward-tier-card h3 {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 20px;
            text-align: center;
        }

        .tier-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .tier-list li {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 16px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }

        .tier-list li:hover {
            background: rgba(255, 255, 255, 0.12);
        }

        .tier-list li .tier-count {
            font-weight: 700;
            color: var(--accent);
            font-size: 1rem;
        }

        .tier-list li .tier-reward {
            color: var(--secondary);
            font-weight: 600;
        }

        @media (max-width: 800px) {
            .invite-detail-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        /* ========== 结果对比 ========== */
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .compare-card {
            border-radius: var(--radius-xl);
            padding: 32px;
            border: 2px solid var(--border);
            transition: all var(--transition);
        }

        .compare-card.solo {
            background: #fef2f2;
            border-color: #fecaca;
        }

        .compare-card.team {
            background: #ecfdf5;
            border-color: #a7f3d0;
            box-shadow: var(--shadow-md);
        }

        .compare-card h3 {
            font-family: var(--font-heading);
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .compare-card ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .compare-card ul li {
            font-size: 0.9rem;
            color: var(--text);
            padding-left: 20px;
            position: relative;
            line-height: 1.6;
        }

        .compare-card ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
        }

        .compare-card.solo ul li::before {
            background: #ef4444;
        }

        .compare-card.team ul li::before {
            background: #10b981;
        }

        .compare-badge {
            display: inline-block;
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.82rem;
            margin-bottom: 12px;
        }

        .compare-card.team .compare-badge {
            background: var(--accent-light);
            color: var(--accent-hover);
        }

        .compare-card.solo .compare-badge {
            background: #fee2e2;
            color: #dc2626;
        }

        @media (max-width: 700px) {
            .compare-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 品牌介绍 ========== */
        .brand-intro-block {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            padding: 40px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
        }

        .brand-intro-block img {
            border-radius: var(--radius-lg);
            width: 100%;
            height: 280px;
            object-fit: cover;
        }

        .brand-intro-text h3 {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 14px;
        }

        .brand-intro-text p {
            color: var(--text-light);
            line-height: 1.8;
            font-size: 0.95rem;
        }

        @media (max-width: 800px) {
            .brand-intro-block {
                grid-template-columns: 1fr;
                padding: 28px;
            }
            .brand-intro-block img {
                height: 200px;
            }
        }

        /* ========== 用户见证 ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .testimonial-card .quote-icon {
            font-size: 2rem;
            color: var(--accent-light);
            line-height: 1;
            margin-bottom: 8px;
        }

        .testimonial-card p {
            font-size: 0.9rem;
            color: var(--text);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .testimonial-author {
            font-weight: 700;
            color: var(--text-heading);
            font-size: 0.9rem;
        }

        .testimonial-author .author-tag {
            font-weight: 400;
            color: var(--text-light);
            font-size: 0.8rem;
            display: block;
        }

        @media (max-width: 800px) {
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-xs);
        }

        .faq-item:hover {
            border-color: var(--accent-light);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            padding: 18px 24px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-heading);
            font-family: var(--font-heading);
            user-select: none;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--accent);
        }

        .faq-question .faq-icon {
            font-size: 1.2rem;
            transition: transform var(--transition);
            flex-shrink: 0;
            color: var(--text-light);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            color: var(--accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ========== CTA 转化表单 ========== */
        .cta-section {
            background: linear-gradient(160deg, #0f172a 0%, #1a2744 50%, #0f2d3d 100%);
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 20% 80%, rgba(16, 185, 129, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 20%, rgba(245, 158, 11, 0.12) 0%, transparent 50%);
            z-index: 0;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            max-width: 700px;
            margin: 0 auto;
            text-align: center;
        }

        .cta-inner h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
        }

        .cta-inner .cta-subtitle {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1rem;
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            justify-content: center;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-xl);
            padding: 32px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(10px);
        }

        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 18px;
            border-radius: var(--radius-full);
            border: 1px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
            font-size: 1rem;
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }

        .cta-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px var(--accent-glow);
            background: rgba(255, 255, 255, 0.12);
        }

        .cta-form .btn-submit {
            padding: 14px 32px;
            border-radius: var(--radius-full);
            background: var(--accent);
            color: #ffffff;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.03em;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 4px 20px rgba(16, 185, 129, 0.4);
            flex-shrink: 0;
        }

        .cta-form .btn-submit:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 28px rgba(16, 185, 129, 0.55);
            transform: translateY(-2px);
        }

        @media (max-width: 600px) {
            .cta-form {
                flex-direction: column;
                padding: 24px;
            }
            .cta-form input {
                min-width: auto;
                width: 100%;
            }
            .cta-form .btn-submit {
                width: 100%;
                text-align: center;
            }
            .cta-inner h2 {
                font-size: 1.5rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--primary);
            color: var(--text-on-dark);
            padding: 48px 0 24px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.25rem;
            margin-bottom: 10px;
            color: #ffffff;
        }

        .footer-desc {
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            font-size: 0.85rem;
        }

        .footer-col h4 {
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
            font-size: 0.95rem;
            font-family: var(--font-heading);
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a,
        .footer-col ul li span {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        @media (max-width: 800px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 500px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
            }
        }

        /* ========== UTILITY ========== */
        .text-center {
            text-align: center;
        }

        .mb-0 {
            margin-bottom: 0;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }

/* roulang page: category2 */
:root {
            --primary: #0f172a;
            --primary-light: #1e293b;
            --primary-mid: #334155;
            --accent: #10b981;
            --accent-hover: #059669;
            --accent-light: #d1fae5;
            --accent-glow: rgba(16, 185, 129, 0.25);
            --secondary: #f59e0b;
            --secondary-hover: #d97706;
            --secondary-light: #fef3c7;
            --bg: #f8fafc;
            --bg-white: #ffffff;
            --bg-alt: #f1f5f9;
            --text: #1e293b;
            --text-heading: #0f172a;
            --text-light: #64748b;
            --text-lighter: #94a3b8;
            --text-on-dark: #e2e8f0;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-xs: 6px;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --radius-full: 9999px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.07), 0 1px 3px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.10), 0 2px 6px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.16), 0 6px 16px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.15s ease;
            --transition: 0.3s ease;
            --transition-slow: 0.5s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1280px;
            --nav-height: 72px;
            --section-gap: 80px;
            --section-gap-sm: 48px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
            padding-top: var(--nav-height);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            font-size: inherit;
            transition: all var(--transition);
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            outline: none;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--bg-white);
            color: var(--text);
            width: 100%;
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px var(--accent-glow);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            display: flex;
            align-items: center;
            background: rgba(15, 23, 42, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            transition: all var(--transition);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
        }

        .site-header.scrolled {
            background: rgba(15, 23, 42, 0.95);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.18);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            gap: 32px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: #ffffff;
            letter-spacing: 0.03em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }

        .logo-link:hover {
            opacity: 0.85;
            color: #ffffff;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 6px;
            align-items: center;
            flex-wrap: nowrap;
        }

        .nav-links li {
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.85);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.1);
        }

        .nav-links a.active {
            color: #ffffff;
            background: var(--accent);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(16, 185, 129, 0.35);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            background: var(--accent);
            color: #ffffff;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition);
            box-shadow: 0 2px 10px rgba(16, 185, 129, 0.3);
        }

        .nav-cta-btn:hover {
            background: var(--accent-hover);
            color: #ffffff;
            box-shadow: 0 4px 18px rgba(16, 185, 129, 0.45);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: #ffffff;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .mobile-menu {
            display: none;
            position: absolute;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: rgba(15, 23, 42, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            flex-direction: column;
            padding: 16px 24px;
            gap: 4px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: var(--shadow-lg);
            z-index: 999;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius);
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
            font-size: 1rem;
            transition: all var(--transition-fast);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: rgba(255, 255, 255, 0.1);
            color: #ffffff;
        }

        .mobile-menu a.active {
            background: var(--accent);
            color: #ffffff;
            font-weight: 600;
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 6px 10px;
                font-size: 0.82rem;
            }
            .nav-cta-btn {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .header-inner {
                gap: 16px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .desktop-only {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .mobile-menu.show {
                display: flex;
            }
            .header-inner {
                gap: 12px;
            }
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 40%, #0f172a 100%);
            min-height: 620px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.28;
            z-index: 0;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.6) 0%, rgba(15, 23, 42, 0.85) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 80px 0;
            max-width: 700px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(16, 185, 129, 0.2);
            border: 1px solid rgba(16, 185, 129, 0.35);
            color: #10b981;
            padding: 8px 18px;
            border-radius: var(--radius-full);
            font-size: 0.88rem;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

        .hero-badge i {
            font-size: 0.85rem;
        }

        .hero-title {
            font-family: var(--font-heading);
            font-size: 3rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

        .hero-title .highlight {
            color: var(--accent);
            position: relative;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 560px;
        }

        .hero-benefits {
            list-style: none;
            padding: 0;
            margin: 0 0 32px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
        }

        .hero-benefits li {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.95rem;
            font-weight: 500;
        }

        .hero-benefits li i {
            color: var(--accent);
            font-size: 1rem;
            flex-shrink: 0;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }

        .btn-primary-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1rem;
            background: var(--accent);
            color: #ffffff;
            letter-spacing: 0.02em;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(16, 185, 129, 0.35);
            border: none;
        }

        .btn-primary-hero:hover {
            background: var(--accent-hover);
            color: #ffffff;
            box-shadow: 0 8px 28px rgba(16, 185, 129, 0.5);
            transform: translateY(-2px);
        }

        .btn-outline-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 1rem;
            background: transparent;
            color: #ffffff;
            border: 2px solid rgba(255, 255, 255, 0.35);
            letter-spacing: 0.02em;
            transition: all var(--transition);
        }

        .btn-outline-hero:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
            transform: translateY(-2px);
        }

        .hero-trust-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 28px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }

        .hero-trust-strip span {
            display: flex;
            align-items: center;
            gap: 6px;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            font-weight: 500;
        }

        .hero-trust-strip span i {
            color: var(--accent);
            font-size: 0.8rem;
        }

        .hero-visual {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-visual img {
            max-width: 420px;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-xl);
            border: 2px solid rgba(255, 255, 255, 0.1);
        }

        @media (max-width: 992px) {
            .hero-section {
                min-height: auto;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-visual img {
                max-width: 300px;
            }
            .hero-content {
                padding: 50px 0;
            }
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-benefits {
                flex-direction: column;
                gap: 8px;
            }
            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            .hero-cta-group .btn-primary-hero,
            .hero-cta-group .btn-outline-hero {
                width: 100%;
                justify-content: center;
            }
            .hero-trust-strip {
                flex-direction: column;
                gap: 8px;
            }
            .hero-visual {
                display: none;
            }
        }

        /* ========== SECTION COMMONS ========== */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-sm {
            padding: var(--section-gap-sm) 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 10px;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-heading);
            margin-bottom: 14px;
            line-height: 1.3;
            letter-spacing: 0.01em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 640px;
            line-height: 1.7;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header .section-subtitle {
            margin: 0 auto;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
            .section {
                padding: var(--section-gap-sm) 0;
            }
        }

        /* ========== METRICS DASHBOARD ========== */
        .metrics-dashboard {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
        }

        .metric-card {
            text-align: center;
            padding: 28px 20px;
            background: var(--bg-alt);
            border-radius: var(--radius-lg);
            transition: all var(--transition);
            border: 1px solid transparent;
            height: 100%;
        }

        .metric-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            background: var(--bg-white);
        }

        .metric-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            background: var(--accent-light);
            color: var(--accent);
        }

        .metric-number {
            font-family: var(--font-heading);
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--text-heading);
            line-height: 1;
            margin-bottom: 6px;
        }

        .metric-label {
            font-size: 0.9rem;
            color: var(--text-light);
            font-weight: 500;
        }

        .metric-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent);
            margin-top: 6px;
        }

        /* ========== SERVICE MATRIX ========== */
        .equip-category-card {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .equip-category-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }

        .equip-category-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--bg-alt);
        }

        .equip-category-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform var(--transition-slow);
        }

        .equip-category-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }

        .equip-category-card .card-img-overlay-tag {
            position: absolute;
            top: 14px;
            right: 14px;
            background: var(--accent);
            color: #fff;
            padding: 5px 12px;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 700;
            z-index: 2;
        }

        .equip-category-card .card-body-custom {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .equip-category-card .card-body-custom h3 {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 8px;
        }

        .equip-category-card .card-body-custom p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 14px;
            flex: 1;
        }

        .equip-category-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent);
            font-weight: 600;
            font-size: 0.9rem;
            transition: gap var(--transition-fast);
        }

        .equip-category-card .card-link:hover {
            gap: 10px;
            color: var(--accent-hover);
        }

        /* ========== HOT PRODUCTS ========== */
        .hot-product-card {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .hot-product-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }

        .hot-product-card .product-img-wrap {
            position: relative;
            aspect-ratio: 1 / 1;
            background: var(--bg-alt);
            overflow: hidden;
        }

        .hot-product-card .product-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform var(--transition-slow);
        }

        .hot-product-card:hover .product-img-wrap img {
            transform: scale(1.05);
        }

        .hot-product-card .product-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--secondary);
            color: #fff;
            padding: 5px 12px;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 700;
            z-index: 2;
        }

        .hot-product-card .product-body {
            padding: 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .hot-product-card .product-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 6px;
        }

        .hot-product-card .product-body .product-price {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--accent);
            margin-bottom: 4px;
        }

        .hot-product-card .product-body .product-price .original {
            font-size: 0.85rem;
            color: var(--text-lighter);
            text-decoration: line-through;
            font-weight: 400;
            margin-left: 6px;
        }

        .hot-product-card .product-body .product-rating {
            display: flex;
            align-items: center;
            gap: 4px;
            font-size: 0.85rem;
            color: var(--secondary);
            margin-bottom: 10px;
        }

        .hot-product-card .product-body .product-rating span {
            color: var(--text-light);
            font-weight: 500;
        }

        .hot-product-card .btn-sm-buy {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 10px 18px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.88rem;
            background: var(--accent);
            color: #fff;
            transition: all var(--transition);
            margin-top: auto;
            width: 100%;
        }

        .hot-product-card .btn-sm-buy:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
        }

        /* ========== COMPARISON TABLE ========== */
        .comparison-section {
            background: var(--bg-white);
        }

        .comparison-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-xl);
            border: 1px solid var(--border);
            background: var(--bg-white);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }

        .comparison-table thead th {
            background: var(--primary);
            color: #ffffff;
            padding: 16px 20px;
            font-weight: 700;
            font-size: 0.95rem;
            text-align: center;
            border-bottom: 2px solid var(--primary-light);
        }

        .comparison-table thead th:first-child {
            text-align: left;
            border-radius: var(--radius-xl) 0 0 0;
        }

        .comparison-table thead th:last-child {
            border-radius: 0 var(--radius-xl) 0 0;
        }

        .comparison-table tbody td {
            padding: 14px 20px;
            text-align: center;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.9rem;
            color: var(--text);
            vertical-align: middle;
        }

        .comparison-table tbody td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--text-heading);
        }

        .comparison-table tbody tr:hover {
            background: var(--bg-alt);
        }

        .comparison-table tbody tr:last-child td:first-child {
            border-radius: 0 0 0 var(--radius-xl);
        }

        .comparison-table tbody tr:last-child td:last-child {
            border-radius: 0 0 var(--radius-xl) 0;
        }

        .comparison-table .check-icon {
            color: var(--accent);
            font-size: 1.1rem;
        }

        .comparison-table .cross-icon {
            color: #ef4444;
            font-size: 1.1rem;
        }

        .comparison-table .highlight-col {
            background: rgba(16, 185, 129, 0.04);
        }

        /* ========== QUALITY SECTION ========== */
        .quality-section {
            background: var(--bg-alt);
        }

        .quality-card {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            text-align: center;
            border: 1px solid var(--border);
            transition: all var(--transition);
            height: 100%;
        }

        .quality-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: transparent;
        }

        .quality-card .quality-icon {
            width: 60px;
            height: 60px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.6rem;
            background: var(--accent-light);
            color: var(--accent);
        }

        .quality-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 8px;
        }

        .quality-card p {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-card {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            padding: 28px;
            border: 1px solid var(--border);
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }

        .testimonial-card .stars {
            color: var(--secondary);
            font-size: 0.95rem;
            margin-bottom: 12px;
            letter-spacing: 2px;
        }

        .testimonial-card .quote {
            font-size: 0.95rem;
            color: var(--text);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
            font-style: italic;
        }

        .testimonial-card .author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-card .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--accent);
            font-size: 0.95rem;
            flex-shrink: 0;
        }

        .testimonial-card .author-info {
            font-size: 0.85rem;
        }

        .testimonial-card .author-info strong {
            display: block;
            color: var(--text-heading);
        }

        .testimonial-card .author-info span {
            color: var(--text-light);
            font-size: 0.8rem;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-white);
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition);
            background: var(--bg-white);
        }

        .faq-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 22px;
            text-align: left;
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-heading);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            transition: color var(--transition-fast);
            font-family: var(--font-body);
        }

        .faq-question:hover {
            color: var(--accent);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
            font-size: 0.8rem;
            color: var(--text-light);
        }

        .faq-item.open .faq-question .faq-icon {
            background: var(--accent);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition), padding var(--transition);
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 0.93rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ========== CTA FORM ========== */
        .cta-form-section {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-form-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            z-index: 0;
        }

        .cta-form-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-form-card {
            background: var(--bg-white);
            border-radius: var(--radius-2xl);
            padding: 40px 36px;
            box-shadow: var(--shadow-xl);
            max-width: 620px;
            margin: 0 auto;
        }

        .cta-form-card h2 {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-heading);
            text-align: center;
            margin-bottom: 8px;
        }

        .cta-form-card .cta-subtitle {
            text-align: center;
            color: var(--text-light);
            font-size: 0.9rem;
            margin-bottom: 24px;
        }

        .cta-form-card .form-group {
            margin-bottom: 16px;
        }

        .cta-form-card label {
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--text-heading);
            margin-bottom: 6px;
            display: block;
        }

        .cta-form-card .btn-submit {
            width: 100%;
            padding: 14px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1rem;
            background: var(--accent);
            color: #fff;
            letter-spacing: 0.02em;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(16, 185, 129, 0.3);
            margin-top: 8px;
        }

        .cta-form-card .btn-submit:hover {
            background: var(--accent-hover);
            box-shadow: 0 8px 28px rgba(16, 185, 129, 0.45);
            transform: translateY(-1px);
        }

        .cta-form-card .form-note {
            text-align: center;
            font-size: 0.78rem;
            color: var(--text-lighter);
            margin-top: 12px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--primary);
            color: var(--text-on-dark);
            padding: 56px 0 28px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
        }

        .footer-desc {
            color: var(--text-on-dark);
            opacity: 0.7;
            line-height: 1.7;
            font-size: 0.88rem;
            max-width: 320px;
        }

        .footer-col h4 {
            color: #ffffff;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a,
        .footer-col ul li span {
            color: var(--text-on-dark);
            opacity: 0.7;
            transition: all var(--transition-fast);
            font-size: 0.88rem;
        }

        .footer-col ul li a:hover {
            opacity: 1;
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 576px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        /* ========== UTILITY OVERRIDES ========== */
        .bg-white {
            background: var(--bg-white);
        }
        .bg-alt {
            background: var(--bg-alt);
        }
        .text-accent {
            color: var(--accent);
        }
        .fw-800 {
            font-weight: 800;
        }
        .gap-custom {
            gap: 24px;
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .metric-number {
                font-size: 2rem;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #0f172a;
            --primary-light: #1e293b;
            --primary-mid: #334155;
            --accent: #10b981;
            --accent-hover: #059669;
            --accent-light: #d1fae5;
            --accent-glow: rgba(16, 185, 129, 0.25);
            --secondary: #f59e0b;
            --secondary-hover: #d97706;
            --secondary-light: #fef3c7;
            --bg: #f8fafc;
            --bg-white: #ffffff;
            --bg-alt: #f1f5f9;
            --text: #1e293b;
            --text-heading: #0f172a;
            --text-light: #64748b;
            --text-lighter: #94a3b8;
            --text-on-dark: #e2e8f0;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-xs: 6px;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --radius-full: 9999px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.07), 0 1px 3px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.10), 0 2px 6px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.16), 0 6px 16px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.15s ease;
            --transition: 0.3s ease;
            --transition-slow: 0.5s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1280px;
            --nav-height: 72px;
            --section-gap: 80px;
            --section-gap-sm: 48px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
            padding-top: var(--nav-height);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            font-size: inherit;
            transition: all var(--transition);
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            outline: none;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--bg-white);
            color: var(--text);
            width: 100%;
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px var(--accent-glow);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            display: flex;
            align-items: center;
            background: rgba(15, 23, 42, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            transition: all var(--transition);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
        }

        .site-header.scrolled {
            background: rgba(15, 23, 42, 0.95);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.18);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            gap: 32px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: #ffffff;
            letter-spacing: 0.03em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }

        .logo-link:hover {
            opacity: 0.85;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            background: rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 6px;
            align-items: center;
            flex-wrap: wrap;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.8);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .nav-links li a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.1);
        }

        .nav-links li a.active {
            color: #ffffff;
            background: var(--accent);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(16, 185, 129, 0.35);
        }

        .nav-cta-btn {
            display: inline-block;
            padding: 10px 22px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--accent);
            color: #ffffff;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition);
            box-shadow: 0 2px 12px rgba(16, 185, 129, 0.3);
            letter-spacing: 0.02em;
        }

        .nav-cta-btn:hover {
            background: var(--accent-hover);
            box-shadow: 0 4px 20px rgba(16, 185, 129, 0.45);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            background: none;
            color: #ffffff;
            font-size: 1.6rem;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .mobile-menu {
            display: none;
            position: absolute;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: rgba(15, 23, 42, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            flex-direction: column;
            padding: 16px 24px;
            gap: 6px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: var(--shadow-lg);
        }

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius);
            color: rgba(255, 255, 255, 0.8);
            font-weight: 500;
            transition: all var(--transition-fast);
            font-size: 0.95rem;
        }

        .mobile-menu a:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
        }

        .mobile-menu a.active {
            background: var(--accent);
            color: #ffffff;
            font-weight: 600;
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links li a {
                padding: 6px 10px;
                font-size: 0.82rem;
            }
            .nav-cta-btn {
                padding: 8px 16px;
                font-size: 0.82rem;
            }
            .header-inner {
                gap: 16px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .desktop-only {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .mobile-menu.active {
                display: flex;
            }
            .header-inner {
                gap: 12px;
            }
        }

        /* ========== SECTION SPACING ========== */
        section {
            padding: var(--section-gap) 0;
        }

        section.section-sm {
            padding: var(--section-gap-sm) 0;
        }

        /* ========== HERO SECTION ========== */
        .hero-section {
            position: relative;
            padding: 100px 0 80px;
            background: var(--primary);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            min-height: 600px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.75) 0%, rgba(15, 23, 42, 0.9) 100%);
            z-index: 1;
        }

        .hero-section .container {
            position: relative;
            z-index: 2;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1.6fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .hero-left {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .hero-value-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 16px 18px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition);
            color: var(--text-on-dark);
        }

        .hero-value-item:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateX(4px);
        }

        .hero-value-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
            color: #ffffff;
        }

        .hero-value-text h4 {
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 2px;
            color: #ffffff;
            font-family: var(--font-heading);
        }

        .hero-value-text p {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.4;
        }

        .hero-center {
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 24px;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            background: rgba(255, 255, 255, 0.12);
            color: #ffffff;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            border: 1px solid rgba(255, 255, 255, 0.18);
        }

        .hero-center h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.25;
            letter-spacing: 0.03em;
        }

        .hero-center h1 span {
            color: var(--accent);
            position: relative;
        }

        .hero-center .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 480px;
            line-height: 1.6;
        }

        .hero-screenshot-stage {
            width: 100%;
            max-width: 440px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-xl);
            padding: 20px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            box-shadow: var(--shadow-xl);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
        }

        .mock-news-feed {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .mock-news-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 14px;
            background: rgba(255, 255, 255, 0.07);
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition-fast);
        }

        .mock-news-item:hover {
            background: rgba(255, 255, 255, 0.12);
        }

        .mock-news-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            flex-shrink: 0;
        }

        .mock-news-dot.live {
            background: #ef4444;
            animation: pulse-dot 1.5s infinite;
        }
        .mock-news-dot.hot {
            background: var(--secondary);
        }
        .mock-news-dot.new {
            background: var(--accent);
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.6);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(239, 68, 68, 0);
            }
        }

        .mock-news-text {
            flex: 1;
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.82rem;
            font-weight: 500;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .mock-news-time {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.7rem;
            flex-shrink: 0;
        }

        .hero-right {
            display: flex;
            flex-direction: column;
            gap: 16px;
            align-items: stretch;
        }

        .hero-cta-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 24px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.02em;
            transition: all var(--transition);
            text-align: center;
        }

        .hero-cta-btn.primary-cta {
            background: var(--accent);
            color: #ffffff;
            box-shadow: 0 4px 20px rgba(16, 185, 129, 0.4);
        }

        .hero-cta-btn.primary-cta:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 28px rgba(16, 185, 129, 0.55);
            transform: translateY(-2px);
        }

        .hero-cta-btn.secondary-cta {
            background: rgba(255, 255, 255, 0.1);
            color: #ffffff;
            border: 1px solid rgba(255, 255, 255, 0.25);
        }

        .hero-cta-btn.secondary-cta:hover {
            background: rgba(255, 255, 255, 0.18);
            border-color: rgba(255, 255, 255, 0.4);
            transform: translateY(-2px);
        }

        .hero-right-stats {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .hero-stat-mini {
            text-align: center;
            color: #ffffff;
            padding: 10px 14px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .hero-stat-mini .stat-num {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent);
            font-family: var(--font-heading);
        }

        .hero-stat-mini .stat-label {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 2px;
        }

        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-left {
                flex-direction: row;
                flex-wrap: wrap;
                justify-content: center;
                order: 2;
            }
            .hero-center {
                order: 1;
            }
            .hero-right {
                order: 3;
                flex-direction: row;
                flex-wrap: wrap;
                justify-content: center;
            }
            .hero-center h1 {
                font-size: 2.2rem;
            }
            .hero-value-item {
                flex: 1 1 200px;
                max-width: 280px;
            }
        }

        @media (max-width: 520px) {
            .hero-section {
                padding: 60px 0 40px;
                min-height: auto;
            }
            .hero-center h1 {
                font-size: 1.7rem;
            }
            .hero-center .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-cta-btn {
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            .hero-screenshot-stage {
                max-width: 100%;
                padding: 14px;
            }
            .hero-value-item {
                flex: 1 1 140px;
                max-width: 100%;
                padding: 12px;
            }
        }

        /* ========== METRICS DASHBOARD ========== */
        .metrics-section {
            background: var(--bg-white);
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .metric-card {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .metric-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--accent-light);
        }

        .metric-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--accent);
            border-radius: 0 0 var(--radius-xs) var(--radius-xs);
            opacity: 0;
            transition: opacity var(--transition);
        }

        .metric-card:hover::after {
            opacity: 1;
        }

        .metric-icon {
            font-size: 2.2rem;
            margin-bottom: 12px;
        }

        .metric-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--text-heading);
            font-family: var(--font-heading);
            line-height: 1;
            margin-bottom: 6px;
        }

        .metric-number .plus {
            color: var(--accent);
            font-size: 1.6rem;
            vertical-align: super;
        }

        .metric-label {
            font-size: 0.9rem;
            color: var(--text-light);
            font-weight: 500;
        }

        .metric-desc {
            font-size: 0.78rem;
            color: var(--text-lighter);
            margin-top: 6px;
            line-height: 1.4;
        }

        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .metric-card {
                padding: 24px 16px;
            }
            .metric-number {
                font-size: 2rem;
            }
        }

        /* ========== SECTION HEADER ========== */
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header .section-tag {
            display: inline-block;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            background: var(--accent-light);
            color: var(--accent-hover);
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 12px;
        }

        .section-header h2 {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .section-header .section-desc {
            font-size: 1rem;
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

        /* ========== SERVICE MATRIX ========== */
        .service-matrix-section {
            background: var(--bg-alt);
        }

        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .matrix-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--border);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 16px;
            position: relative;
        }

        .matrix-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
            border-color: transparent;
        }

        .matrix-card.featured {
            border: 2px solid var(--accent);
            background: linear-gradient(180deg, #f0fdf6 0%, #ffffff 40%);
        }

        .matrix-card.featured::before {
            content: '热门';
            position: absolute;
            top: 14px;
            right: 14px;
            background: var(--accent);
            color: #ffffff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            letter-spacing: 0.04em;
        }

        .matrix-card-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: var(--radius);
        }

        .matrix-card h3 {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-heading);
        }

        .matrix-card p {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.6;
            flex: 1;
        }

        .matrix-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .matrix-tag {
            font-size: 0.72rem;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            background: var(--bg-alt);
            color: var(--text-light);
            font-weight: 500;
        }

        .matrix-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent);
            font-weight: 600;
            font-size: 0.9rem;
            transition: gap var(--transition-fast);
            align-self: flex-start;
        }

        .matrix-card-link:hover {
            gap: 10px;
            color: var(--accent-hover);
        }

        @media (max-width: 1024px) {
            .matrix-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 600px) {
            .matrix-grid {
                grid-template-columns: 1fr;
            }
            .matrix-card {
                padding: 20px;
            }
        }

        /* ========== COMPARISON SECTION ========== */
        .comparison-section {
            background: var(--bg-white);
        }

        .comparison-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
            background: var(--bg-white);
        }

        .comparison-table thead th {
            padding: 18px 20px;
            text-align: center;
            font-weight: 700;
            font-size: 0.95rem;
            background: var(--primary);
            color: #ffffff;
            font-family: var(--font-heading);
            letter-spacing: 0.02em;
        }

        .comparison-table thead th:first-child {
            text-align: left;
            border-radius: var(--radius-lg) 0 0 0;
        }

        .comparison-table thead th:last-child {
            border-radius: 0 var(--radius-lg) 0 0;
        }

        .comparison-table thead th.highlight-col {
            background: var(--accent);
            position: relative;
        }

        .comparison-table thead th.highlight-col::after {
            content: '⭐';
            position: absolute;
            top: -8px;
            right: 10px;
            font-size: 0.9rem;
        }

        .comparison-table tbody td {
            padding: 16px 20px;
            text-align: center;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.9rem;
            color: var(--text);
            transition: background var(--transition-fast);
        }

        .comparison-table tbody td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--text-heading);
        }

        .comparison-table tbody tr:hover td {
            background: var(--bg-alt);
        }

        .comparison-table tbody tr:last-child td {
            border-bottom: none;
        }

        .check-icon {
            color: var(--accent);
            font-weight: 700;
            font-size: 1.1rem;
        }

        .dash-icon {
            color: var(--text-lighter);
        }

        .comparison-table .highlight-col-cell {
            background: #f0fdf6;
        }

        .comparison-table tbody tr:hover .highlight-col-cell {
            background: #dcfce7;
        }

        @media (max-width: 768px) {
            .comparison-table-wrap {
                border-radius: var(--radius);
            }
            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 12px 14px;
                font-size: 0.8rem;
            }
        }

        /* ========== FEATURE HIGHLIGHT ========== */
        .feature-highlight-section {
            background: var(--primary);
            color: var(--text-on-dark);
            position: relative;
            overflow: hidden;
        }

        .feature-highlight-section::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(16, 185, 129, 0.08);
            top: -100px;
            right: -100px;
            pointer-events: none;
        }

        .feature-highlight-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .feature-highlight-content h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: #ffffff;
            letter-spacing: 0.02em;
        }

        .feature-highlight-content p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .feature-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 14px 16px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition);
            color: rgba(255, 255, 255, 0.85);
        }

        .feature-list li:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.18);
        }

        .feature-list-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1rem;
            color: #ffffff;
        }

        .feature-highlight-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
            border: 2px solid rgba(255, 255, 255, 0.12);
        }

        .feature-highlight-image img {
            width: 100%;
            height: auto;
            border-radius: 0;
        }

        @media (max-width: 768px) {
            .feature-highlight-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .feature-highlight-content h2 {
                font-size: 1.6rem;
            }
        }

        /* ========== PROCESS SECTION ========== */
        .process-section {
            background: var(--bg-alt);
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .process-steps::before {
            content: '';
            position: absolute;
            top: 36px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: var(--border);
            z-index: 0;
            display: none;
        }

        @media (min-width: 769px) {
            .process-steps::before {
                display: block;
            }
        }

        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 14px;
        }

        .process-step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-white);
            border: 3px solid var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--accent);
            font-family: var(--font-heading);
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }

        .process-step:hover .process-step-num {
            background: var(--accent);
            color: #ffffff;
            box-shadow: var(--shadow-md);
            transform: scale(1.08);
        }

        .process-step h4 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-heading);
        }

        .process-step p {
            font-size: 0.85rem;
            color: var(--text-light);
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
        }

        @media (max-width: 520px) {
            .process-steps {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ========== TESTIMONIALS ========== */
        .testimonials-section {
            background: var(--bg-white);
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            padding: 28px;
            background: var(--bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: transparent;
        }

        .testimonial-stars {
            font-size: 1rem;
            letter-spacing: 2px;
            color: var(--secondary);
        }

        .testimonial-card blockquote {
            font-size: 0.92rem;
            color: var(--text);
            line-height: 1.7;
            font-style: italic;
            flex: 1;
            margin: 0;
            quotes: none;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.85rem;
            color: var(--text-light);
            font-weight: 600;
            border-top: 1px solid var(--border-light);
            padding-top: 12px;
        }

        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-mid);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ffffff;
            font-weight: 700;
            flex-shrink: 0;
        }

        @media (max-width: 1024px) {
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 600px) {
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ SECTION ========== */
        .faq-section {
            background: var(--bg-alt);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-heading);
            font-family: var(--font-heading);
            transition: color var(--transition-fast);
            user-select: none;
            gap: 12px;
        }

        .faq-question:hover {
            color: var(--accent);
        }

        .faq-toggle {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all var(--transition);
            font-size: 0.8rem;
            color: var(--text-light);
        }

        .faq-item.open .faq-toggle {
            background: var(--accent);
            color: #ffffff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition);
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--primary);
            position: relative;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(15, 23, 42, 0.8) 100%);
            z-index: 1;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-inner {
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .cta-inner p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 28px;
            line-height: 1.6;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 500px;
            margin: 0 auto 20px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input {
            flex: 1;
            min-width: 220px;
            padding: 14px 18px;
            border-radius: var(--radius-full);
            border: 1px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.1);
            color: #ffffff;
            font-size: 0.95rem;
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .cta-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px var(--accent-glow);
            background: rgba(255, 255, 255, 0.15);
        }

        .cta-form button {
            padding: 14px 28px;
            border-radius: var(--radius-full);
            background: var(--accent);
            color: #ffffff;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            box-shadow: 0 4px 20px rgba(16, 185, 129, 0.4);
            white-space: nowrap;
            transition: all var(--transition);
        }

        .cta-form button:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 28px rgba(16, 185, 129, 0.55);
            transform: translateY(-2px);
        }

        .cta-note {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }

        @media (max-width: 520px) {
            .cta-inner h2 {
                font-size: 1.6rem;
            }
            .cta-form {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-form input {
                min-width: auto;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--primary);
            color: var(--text-on-dark);
            padding: 56px 0 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.25rem;
            color: #ffffff;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }

        .footer-desc {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
        }

        .footer-col h4 {
            font-family: var(--font-heading);
            font-weight: 600;
            font-size: 0.9rem;
            color: #ffffff;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a,
        .footer-col ul li span {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.45);
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: center;
                gap: 8px;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #0f172a;
            --primary-light: #1e293b;
            --primary-mid: #334155;
            --accent: #10b981;
            --accent-hover: #059669;
            --accent-light: #d1fae5;
            --accent-glow: rgba(16, 185, 129, 0.25);
            --secondary: #f59e0b;
            --secondary-hover: #d97706;
            --secondary-light: #fef3c7;
            --bg: #f8fafc;
            --bg-white: #ffffff;
            --bg-alt: #f1f5f9;
            --text: #1e293b;
            --text-heading: #0f172a;
            --text-light: #64748b;
            --text-lighter: #94a3b8;
            --text-on-dark: #e2e8f0;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-xs: 6px;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --radius-full: 9999px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.07), 0 1px 3px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.10), 0 2px 6px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.16), 0 6px 16px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.15s ease;
            --transition: 0.3s ease;
            --transition-slow: 0.5s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1280px;
            --nav-height: 72px;
            --section-gap: 80px;
            --section-gap-sm: 48px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            font-size: inherit;
            transition: all var(--transition);
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            outline: none;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--bg-white);
            color: var(--text);
            width: 100%;
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px var(--accent-glow);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            display: flex;
            align-items: center;
            background: rgba(15, 23, 42, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            transition: all var(--transition);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
        }

        .site-header.scrolled {
            background: rgba(15, 23, 42, 0.95);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.18);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            gap: 32px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: #ffffff;
            letter-spacing: 0.03em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }

        .logo-link:hover {
            opacity: 0.85;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            flex-shrink: 0;
        }

        .nav-links {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }

        .nav-links li a {
            display: block;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            color: #cbd5e1;
            font-size: 0.925rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .nav-links li a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.10);
        }

        .nav-links li a.active {
            color: #ffffff;
            background: var(--accent);
            font-weight: 600;
            box-shadow: 0 0 16px var(--accent-glow);
        }

        .nav-cta-btn {
            display: inline-block;
            padding: 10px 22px;
            border-radius: var(--radius-full);
            background: var(--accent);
            color: #ffffff;
            font-weight: 600;
            font-size: 0.925rem;
            letter-spacing: 0.02em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition);
            box-shadow: 0 4px 16px var(--accent-glow);
        }

        .nav-cta-btn:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 24px rgba(16, 185, 129, 0.4);
            transform: translateY(-1px);
            color: #ffffff;
        }

        .mobile-toggle {
            display: none;
            background: none;
            color: #ffffff;
            font-size: 1.6rem;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.2);
            line-height: 1;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: rgba(15, 23, 42, 0.97);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            padding: 16px 24px 24px;
            flex-direction: column;
            gap: 6px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            z-index: 999;
            box-shadow: var(--shadow-lg);
        }

        .mobile-menu.active {
            display: flex;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius);
            color: #cbd5e1;
            font-size: 1rem;
            font-weight: 500;
            transition: all var(--transition-fast);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
        }

        .mobile-menu a.active {
            background: var(--accent);
            font-weight: 600;
        }

        /* ========== HERO SECTION ========== */
        .hero-section {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            padding-top: var(--nav-height);
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 30%, #0f172a 60%, #1a2332 100%);
            overflow: hidden;
        }

        .hero-bg-img {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            z-index: 0;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(16, 185, 129, 0.12) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(245, 158, 11, 0.08) 0%, transparent 55%),
                linear-gradient(180deg, rgba(15, 23, 42, 0.3) 0%, rgba(15, 23, 42, 0.7) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
            padding: 40px 0;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            background: rgba(16, 185, 129, 0.2);
            color: #6ee7b7;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
            border: 1px solid rgba(16, 185, 129, 0.3);
        }

        .hero-section h1 {
            font-family: var(--font-heading);
            font-size: 3.2rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.2;
            letter-spacing: 0.02em;
            margin-bottom: 20px;
        }

        .hero-section h1 .highlight {
            color: #6ee7b7;
            position: relative;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: #cbd5e1;
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 560px;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 28px;
        }

        .btn-primary-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-full);
            background: var(--accent);
            color: #ffffff;
            font-weight: 700;
            font-size: 1.05rem;
            letter-spacing: 0.03em;
            box-shadow: 0 6px 28px rgba(16, 185, 129, 0.4);
            transition: all var(--transition);
            border: none;
            cursor: pointer;
        }

        .btn-primary-hero:hover {
            background: var(--accent-hover);
            box-shadow: 0 10px 36px rgba(16, 185, 129, 0.55);
            transform: translateY(-2px);
            color: #ffffff;
        }

        .btn-outline-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-full);
            background: transparent;
            color: #ffffff;
            font-weight: 600;
            font-size: 1.05rem;
            letter-spacing: 0.03em;
            border: 2px solid rgba(255, 255, 255, 0.4);
            transition: all var(--transition);
            cursor: pointer;
        }

        .btn-outline-hero:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
            transform: translateY(-2px);
        }

        .hero-trust-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }

        .hero-trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #94a3b8;
            font-size: 0.9rem;
            font-weight: 500;
        }

        .hero-trust-item .trust-icon {
            color: #6ee7b7;
            font-size: 1.1rem;
        }

        .hero-visual-panel {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .hero-stats-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            min-width: 300px;
        }

        .hero-stat-item {
            text-align: center;
        }

        .hero-stat-value {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 800;
            color: #6ee7b7;
            line-height: 1.1;
        }

        .hero-stat-label {
            font-size: 0.8rem;
            color: #94a3b8;
            margin-top: 4px;
            font-weight: 500;
        }

        /* ========== SECTION COMMONS ========== */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-sm {
            padding: var(--section-gap-sm) 0;
        }

        .section-label {
            display: inline-block;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            background: var(--accent-light);
            color: var(--accent-hover);
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-heading);
            line-height: 1.25;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            line-height: 1.7;
            max-width: 600px;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header .section-subtitle {
            margin: 0 auto;
        }

        /* ========== METRICS DASHBOARD ========== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .metric-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--accent);
            border-radius: 0 0 var(--radius-xs) var(--radius-xs);
        }

        .metric-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .metric-icon {
            font-size: 2.2rem;
            margin-bottom: 10px;
        }

        .metric-value {
            font-family: var(--font-heading);
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--text-heading);
            line-height: 1.1;
            margin-bottom: 4px;
        }

        .metric-label {
            font-size: 0.9rem;
            color: var(--text-light);
            font-weight: 500;
        }

        .metric-sub {
            font-size: 0.78rem;
            color: var(--text-lighter);
            margin-top: 4px;
        }

        /* ========== SERVICE MATRIX ========== */
        .service-matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .service-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .service-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--accent-light);
        }

        .service-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius);
            margin-bottom: 18px;
        }

        .service-card-icon {
            font-size: 2.5rem;
            margin-bottom: 12px;
        }

        .service-card h3 {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 8px;
        }

        .service-card p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
        }

        .service-card-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: var(--radius-full);
            background: var(--accent-light);
            color: var(--accent-hover);
            font-size: 0.75rem;
            font-weight: 600;
            margin-top: 10px;
        }

        /* ========== COMPARISON SECTION ========== */
        .comparison-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            max-width: 900px;
            margin: 0 auto;
        }

        .comparison-card {
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            border: 2px solid var(--border);
            background: var(--bg-white);
            transition: all var(--transition);
        }

        .comparison-card.before {
            border-color: #fecaca;
            background: #fef2f2;
        }

        .comparison-card.after {
            border-color: #bbf7d0;
            background: #f0fdf4;
            box-shadow: var(--shadow-md);
        }

        .comparison-card h3 {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .comparison-card.before h3 {
            color: #dc2626;
        }

        .comparison-card.after h3 {
            color: #16a34a;
        }

        .comparison-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .comparison-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--text);
            line-height: 1.5;
        }

        .comparison-list li .check-icon {
            flex-shrink: 0;
            font-size: 1.1rem;
            margin-top: 2px;
        }

        .comparison-card.before .check-icon {
            color: #dc2626;
        }

        .comparison-card.after .check-icon {
            color: #16a34a;
        }

        /* ========== EVENTS / ACTIVITIES ========== */
        .events-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .event-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .event-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .event-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .event-card-body {
            padding: 20px;
        }

        .event-card-date {
            display: inline-block;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            background: var(--secondary-light);
            color: var(--secondary-hover);
            font-size: 0.78rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .event-card h4 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 6px;
        }

        .event-card p {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.5;
        }

        .event-card-meta {
            display: flex;
            gap: 14px;
            font-size: 0.8rem;
            color: var(--text-lighter);
            margin-top: 10px;
        }

        /* ========== STORIES / TESTIMONIALS ========== */
        .stories-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .story-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            text-align: center;
        }

        .story-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .story-avatar {
            width: 70px;
            height: 70px;
            border-radius: var(--radius-full);
            object-fit: cover;
            margin: 0 auto 14px;
            border: 3px solid var(--accent-light);
        }

        .story-card h4 {
            font-family: var(--font-heading);
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 4px;
        }

        .story-role {
            font-size: 0.8rem;
            color: var(--text-lighter);
            margin-bottom: 10px;
        }

        .story-quote {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
            font-style: italic;
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-block {
            background: var(--primary);
            border-radius: var(--radius-2xl);
            padding: 48px 40px;
            color: var(--text-on-dark);
            position: relative;
            overflow: hidden;
        }

        .brand-intro-block::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(16, 185, 129, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .brand-intro-block h3 {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }

        .brand-intro-block p {
            font-size: 1rem;
            line-height: 1.8;
            color: #cbd5e1;
            position: relative;
            z-index: 1;
            max-width: 800px;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-xs);
        }

        .faq-item:hover {
            border-color: var(--accent-light);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 24px;
            background: none;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-heading);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            cursor: pointer;
            border: none;
            font-family: var(--font-body);
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--accent-hover);
        }

        .faq-icon {
            flex-shrink: 0;
            font-size: 1.3rem;
            transition: transform var(--transition);
            color: var(--accent);
            font-weight: 700;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition);
            padding: 0 24px;
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ========== CTA FORM SECTION ========== */
        .cta-form-section {
            background: var(--primary);
            border-radius: var(--radius-2xl);
            padding: 56px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            color: #ffffff;
        }

        .cta-form-section::before {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -80px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(16, 185, 129, 0.3) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-form-section h3 {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        .cta-form-section p {
            color: #cbd5e1;
            font-size: 1rem;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }

        .cta-form-inline {
            display: flex;
            gap: 12px;
            max-width: 560px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
            position: relative;
            z-index: 1;
        }

        .cta-form-inline input {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border-radius: var(--radius-full);
            border: 2px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
            font-size: 1rem;
            transition: all var(--transition);
        }

        .cta-form-inline input::placeholder {
            color: #94a3b8;
        }

        .cta-form-inline input:focus {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.14);
            box-shadow: 0 0 0 4px var(--accent-glow);
        }

        .cta-form-inline .btn-submit {
            padding: 14px 32px;
            border-radius: var(--radius-full);
            background: var(--accent);
            color: #ffffff;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.03em;
            white-space: nowrap;
            box-shadow: 0 6px 24px rgba(16, 185, 129, 0.45);
            transition: all var(--transition);
            cursor: pointer;
            border: none;
        }

        .cta-form-inline .btn-submit:hover {
            background: var(--accent-hover);
            box-shadow: 0 10px 32px rgba(16, 185, 129, 0.6);
            transform: translateY(-2px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--primary);
            color: var(--text-on-dark);
            padding: 48px 0 24px;
            margin-top: var(--section-gap);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-desc {
            font-size: 0.9rem;
            color: #94a3b8;
            line-height: 1.6;
            max-width: 300px;
        }

        .footer-col h4 {
            font-family: var(--font-heading);
            font-size: 0.95rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            color: #94a3b8;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: #6ee7b7;
        }

        .footer-col ul li span {
            color: #94a3b8;
            font-size: 0.9rem;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 0.82rem;
            color: #64748b;
            align-items: center;
        }

        .footer-bottom a {
            color: #94a3b8;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: #6ee7b7;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-section {
                flex-direction: column;
                text-align: center;
                min-height: auto;
                padding: 120px 24px 60px;
            }
            .hero-content {
                max-width: 100%;
                padding: 20px 0;
            }
            .hero-subtitle {
                max-width: 100%;
                margin: 0 auto 24px;
            }
            .hero-cta-group {
                justify-content: center;
            }
            .hero-trust-strip {
                justify-content: center;
            }
            .hero-visual-panel {
                margin-top: 32px;
            }
            .hero-stats-card {
                min-width: auto;
                max-width: 400px;
            }
            .hero-section h1 {
                font-size: 2.4rem;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-matrix-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .events-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stories-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .comparison-wrapper {
                grid-template-columns: 1fr;
                max-width: 500px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            .desktop-only {
                display: none !important;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-links {
                display: none;
            }
            .site-header {
                background: rgba(15, 23, 42, 0.95);
            }
            .hero-section h1 {
                font-size: 2rem;
            }
            .hero-stats-card {
                grid-template-columns: 1fr 1fr;
                padding: 20px 16px;
                gap: 12px;
            }
            .hero-stat-value {
                font-size: 1.5rem;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .metric-value {
                font-size: 1.8rem;
            }
            .service-matrix-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .events-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .stories-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .comparison-wrapper {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .cta-form-inline {
                flex-direction: column;
            }
            .cta-form-inline input {
                min-width: 100%;
            }
            .cta-form-section {
                padding: 36px 20px;
            }
            .cta-form-section h3 {
                font-size: 1.4rem;
            }
            .brand-intro-block {
                padding: 32px 20px;
            }
            .section {
                padding: 48px 0;
            }
            .section-sm {
                padding: 32px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: center;
            }
            .hero-trust-strip {
                flex-direction: column;
                align-items: center;
                gap: 10px;
            }
        }

        @media (max-width: 520px) {
            .hero-section h1 {
                font-size: 1.6rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-stats-card {
                grid-template-columns: 1fr;
                gap: 8px;
                padding: 16px;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .metric-card {
                padding: 20px 16px;
            }
            .metric-value {
                font-size: 1.6rem;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .container {
                padding: 0 16px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-answer {
                padding: 0 16px;
                font-size: 0.85rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #0f172a;
            --primary-light: #1e293b;
            --primary-mid: #334155;
            --accent: #10b981;
            --accent-hover: #059669;
            --accent-light: #d1fae5;
            --accent-glow: rgba(16, 185, 129, 0.25);
            --secondary: #f59e0b;
            --secondary-hover: #d97706;
            --secondary-light: #fef3c7;
            --bg: #f8fafc;
            --bg-white: #ffffff;
            --bg-alt: #f1f5f9;
            --text: #1e293b;
            --text-heading: #0f172a;
            --text-light: #64748b;
            --text-lighter: #94a3b8;
            --text-on-dark: #e2e8f0;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-xs: 6px;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --radius-full: 9999px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.07), 0 1px 3px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.10), 0 2px 6px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.16), 0 6px 16px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.15s ease;
            --transition: 0.3s ease;
            --transition-slow: 0.5s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1280px;
            --nav-height: 72px;
            --section-gap: 80px;
            --section-gap-sm: 48px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
            padding-top: var(--nav-height);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            font-size: inherit;
            transition: all var(--transition);
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            outline: none;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--bg-white);
            color: var(--text);
            width: 100%;
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px var(--accent-glow);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            display: flex;
            align-items: center;
            background: rgba(15, 23, 42, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            transition: all var(--transition);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
        }

        .site-header.scrolled {
            background: rgba(15, 23, 42, 0.95);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.18);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            gap: 32px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: #ffffff;
            letter-spacing: 0.03em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
        }

        .logo-link:hover {
            opacity: 0.85;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            background: rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 6px;
            flex-wrap: wrap;
            align-items: center;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.82);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .nav-links li a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.1);
        }

        .nav-links li a.active {
            color: #ffffff;
            background: var(--accent);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(16, 185, 129, 0.35);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            background: var(--accent);
            color: #ffffff;
            font-weight: 600;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            letter-spacing: 0.02em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition);
            box-shadow: 0 2px 10px rgba(16, 185, 129, 0.3);
        }

        .nav-cta-btn:hover {
            background: var(--accent-hover);
            box-shadow: 0 4px 18px rgba(16, 185, 129, 0.45);
            transform: translateY(-1px);
            color: #ffffff;
        }

        .mobile-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.1);
            color: #ffffff;
            font-size: 1.4rem;
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all var(--transition-fast);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.2);
        }

        .mobile-menu {
            display: none;
            position: absolute;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: rgba(15, 23, 42, 0.97);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            flex-direction: column;
            padding: 16px 24px;
            gap: 4px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
            z-index: 999;
        }

        .mobile-menu.active {
            display: flex;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.1);
        }

        .mobile-menu a.active {
            background: var(--accent);
            font-weight: 600;
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-sm {
            padding: var(--section-gap-sm) 0;
        }

        .section-label {
            display: inline-block;
            padding: 6px 14px;
            background: var(--accent-light);
            color: var(--accent-hover);
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-heading);
            letter-spacing: 0.02em;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 680px;
            line-height: 1.6;
        }

        /* ========== HERO ========== */
        .hero-news {
            background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
            padding: 64px 0 56px;
            position: relative;
            overflow: hidden;
        }

        .hero-news::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -120px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(16, 185, 129, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-news::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -100px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-news-inner {
            position: relative;
            z-index: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .hero-status-bar {
            display: flex;
            align-items: center;
            gap: 16px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-full);
            padding: 8px 20px;
            margin-bottom: 28px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .hero-status-dot {
            width: 9px;
            height: 9px;
            background: #10b981;
            border-radius: 50%;
            animation: pulse-dot 2s ease-in-out infinite;
            box-shadow: 0 0 10px rgba(16, 185, 129, 0.6);
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 6px rgba(16, 185, 129, 0.5);
            }
            50% {
                box-shadow: 0 0 20px rgba(16, 185, 129, 0.9);
            }
        }

        .hero-status-text {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.85rem;
            letter-spacing: 0.02em;
        }

        .hero-status-text strong {
            color: #10b981;
            font-weight: 700;
        }

        .hero-news h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: 0.03em;
            margin-bottom: 12px;
            line-height: 1.2;
            max-width: 700px;
        }

        .hero-news .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 560px;
            margin-bottom: 32px;
            line-height: 1.6;
        }

        .hero-icon-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
            margin-bottom: 8px;
        }

        .hero-icon-item {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius);
            padding: 10px 18px;
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition);
            cursor: default;
        }

        .hero-icon-item:hover {
            background: rgba(255, 255, 255, 0.13);
            border-color: rgba(255, 255, 255, 0.25);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }

        .hero-icon-emoji {
            font-size: 1.3rem;
            flex-shrink: 0;
        }

        .hero-btn-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent);
            color: #ffffff;
            box-shadow: 0 4px 16px rgba(16, 185, 129, 0.35);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 24px rgba(16, 185, 129, 0.5);
            transform: translateY(-2px);
            color: #ffffff;
        }

        .btn-outline-light {
            background: transparent;
            color: #ffffff;
            border: 2px solid rgba(255, 255, 255, 0.35);
        }

        .btn-outline-light:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
            transform: translateY(-2px);
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 1rem;
        }

        /* ========== METRICS DASHBOARD ========== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .metric-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .metric-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--accent-light);
        }

        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--accent);
            border-radius: 0 0 var(--radius-xs) var(--radius-xs);
            opacity: 0;
            transition: opacity var(--transition);
        }

        .metric-card:hover::before {
            opacity: 1;
        }

        .metric-number {
            font-family: var(--font-heading);
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--text-heading);
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 6px;
        }

        .metric-number .accent {
            color: var(--accent);
        }

        .metric-label {
            font-size: 0.9rem;
            color: var(--text-light);
            font-weight: 500;
        }

        .metric-sub {
            font-size: 0.78rem;
            color: var(--text-lighter);
            margin-top: 4px;
        }

        /* ========== SERVICE MATRIX ========== */
        .service-matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .service-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--accent-light);
        }

        .service-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 0;
        }

        .service-card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .service-card-tag {
            display: inline-block;
            padding: 4px 10px;
            background: var(--accent-light);
            color: var(--accent-hover);
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .service-card h3 {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .service-card p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
            flex: 1;
        }

        .service-card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--accent);
            font-weight: 600;
            font-size: 0.9rem;
            margin-top: 14px;
            transition: all var(--transition-fast);
        }

        .service-card-link:hover {
            color: var(--accent-hover);
            gap: 8px;
        }

        /* ========== COMPARISON ========== */
        .comparison-section {
            background: var(--primary);
            position: relative;
            overflow: hidden;
        }

        .comparison-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            pointer-events: none;
        }

        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            position: relative;
            z-index: 1;
        }

        .comparison-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            backdrop-filter: blur(4px);
        }

        .comparison-card.positive {
            background: rgba(16, 185, 129, 0.08);
            border-color: rgba(16, 185, 129, 0.3);
        }

        .comparison-card h3 {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .comparison-card .check-icon {
            color: #10b981;
            font-size: 1.2rem;
        }

        .comparison-card .cross-icon {
            color: #ef4444;
            font-size: 1.2rem;
        }

        .comparison-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .comparison-list li {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.9rem;
            padding-left: 24px;
            position: relative;
            line-height: 1.5;
        }

        .comparison-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.3);
        }

        .comparison-card.positive .comparison-list li::before {
            background: #10b981;
        }

        /* ========== NEWS CENTER ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-item {
            display: flex;
            gap: 20px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            align-items: flex-start;
        }

        .news-item:hover {
            box-shadow: var(--shadow);
            border-color: var(--accent-light);
            transform: translateX(3px);
        }

        .news-item-img {
            width: 120px;
            height: 80px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }

        .news-item-content {
            flex: 1;
            min-width: 0;
        }

        .news-item-date {
            font-size: 0.78rem;
            color: var(--text-lighter);
            margin-bottom: 4px;
            letter-spacing: 0.02em;
        }

        .news-item h4 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .news-item p {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-read-more {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--accent);
            font-weight: 600;
            font-size: 0.85rem;
            transition: all var(--transition-fast);
        }

        .news-read-more:hover {
            color: var(--accent-hover);
            gap: 7px;
        }

        .news-read-more .arrow {
            transition: transform var(--transition-fast);
        }

        .news-read-more:hover .arrow {
            transform: translateX(3px);
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-card {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            display: flex;
            gap: 32px;
            align-items: center;
        }

        .brand-intro-icon {
            width: 80px;
            height: 80px;
            flex-shrink: 0;
            background: var(--accent-light);
            border-radius: var(--radius-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.4rem;
        }

        .brand-intro-text h3 {
            font-family: var(--font-heading);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 8px;
        }

        .brand-intro-text p {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-xs);
        }

        .faq-item:hover {
            border-color: var(--accent-light);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-heading);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: background var(--transition-fast);
            letter-spacing: 0.01em;
        }

        .faq-question:hover {
            background: var(--bg-alt);
        }

        .faq-arrow {
            font-size: 0.8rem;
            color: var(--text-lighter);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--accent);
        }

        .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        .faq-item.open .faq-question {
            color: var(--accent);
        }

        /* ========== CTA FORM ========== */
        .cta-section {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -150px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(16, 185, 129, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .cta-info h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .cta-info p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1rem;
            line-height: 1.6;
            margin-bottom: 20px;
        }

        .cta-benefits {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 20px;
        }

        .cta-benefits li {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .cta-benefits li .benefit-check {
            color: #10b981;
            font-weight: 700;
            flex-shrink: 0;
        }

        .cta-form-card {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            box-shadow: var(--shadow-xl);
        }

        .cta-form-card h3 {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 6px;
        }

        .cta-form-card .form-subtitle {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-bottom: 20px;
        }

        .form-group {
            margin-bottom: 14px;
        }

        .form-group label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 5px;
            letter-spacing: 0.01em;
        }

        .btn-submit {
            width: 100%;
            padding: 14px;
            background: var(--accent);
            color: #ffffff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius-full);
            letter-spacing: 0.02em;
            margin-top: 8px;
            box-shadow: 0 4px 16px rgba(16, 185, 129, 0.35);
            transition: all var(--transition);
        }

        .btn-submit:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 24px rgba(16, 185, 129, 0.5);
            transform: translateY(-2px);
        }

        .form-note {
            font-size: 0.75rem;
            color: var(--text-lighter);
            text-align: center;
            margin-top: 10px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--primary);
            color: var(--text-on-dark);
            padding: 48px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-desc {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
        }

        .footer-col h4 {
            font-family: var(--font-heading);
            font-size: 0.95rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a,
        .footer-col ul li span {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: #ffffff;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            padding: 20px 0;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.45);
            justify-content: center;
            text-align: center;
            align-items: center;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: #ffffff;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-matrix-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .comparison-grid {
                grid-template-columns: 1fr;
            }
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .brand-intro-card {
                flex-direction: column;
                text-align: center;
            }
            .hero-news h1 {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 768px) {
            .desktop-only {
                display: none !important;
            }
            .mobile-toggle {
                display: flex;
            }
            .nav-links {
                display: none;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .service-matrix-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .news-item {
                flex-direction: column;
            }
            .news-item-img {
                width: 100%;
                height: 160px;
            }
            .hero-news h1 {
                font-size: 1.8rem;
            }
            .hero-status-bar {
                gap: 8px;
                padding: 8px 14px;
                font-size: 0.78rem;
            }
            .hero-icon-grid {
                gap: 8px;
            }
            .hero-icon-item {
                padding: 8px 12px;
                font-size: 0.78rem;
            }
            .section {
                padding: var(--section-gap-sm) 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .metric-number {
                font-size: 2rem;
            }
            .comparison-card {
                padding: 20px 16px;
            }
            .cta-form-card {
                padding: 24px 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
            }
            .brand-intro-card {
                padding: 24px 20px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .hero-news h1 {
                font-size: 1.5rem;
            }
            .hero-news .hero-desc {
                font-size: 0.9rem;
            }
            .hero-icon-grid {
                gap: 6px;
            }
            .hero-icon-item {
                padding: 6px 10px;
                font-size: 0.72rem;
            }
            .section-title {
                font-size: 1.2rem;
            }
            .metric-number {
                font-size: 1.6rem;
            }
            .news-item {
                padding: 14px 16px;
            }
            .news-item-img {
                height: 120px;
            }
            .container {
                padding: 0 16px;
            }
            .hero-btn-group {
                flex-direction: column;
                width: 100%;
            }
            .hero-btn-group .btn {
                width: 100%;
                justify-content: center;
            }
        }