/* roulang page: index */
:root {
            --primary: #2563eb;
            --primary-dark: #1e40af;
            --primary-light: #dbeafe;
            --accent: #0ea5e9;
            --accent-soft: #e0f2fe;
            --bg: #f8fafc;
            --surface: #ffffff;
            --text: #0f172a;
            --text-weak: #64748b;
            --border: #e2e8f0;
            --radius: 18px;
            --radius-sm: 12px;
            --shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
            --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.10);
            --navy: #0c1929;
            --gold: #d4a843;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s ease;
        }
        button {
            border: none;
            background: none;
            cursor: pointer;
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Navbar ===== */
        .navbar {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            transition: box-shadow .3s;
        }
        .navbar.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }
        .logo-text {
            font-size: 22px;
            font-weight: 800;
            letter-spacing: -0.5px;
            white-space: nowrap;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
        }
        .nav-link {
            padding: 10px 18px;
            border-radius: 9999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-weak);
            transition: all .25s ease;
        }
        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-link.active {
            color: var(--primary-dark);
            background: var(--primary-light);
            font-weight: 600;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff !important;
            padding: 10px 24px;
            border-radius: 9999px;
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
            transition: all .25s;
        }
        .nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
        }
        .hamburger span {
            width: 24px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all .3s;
        }
        .mobile-menu {
            display: none;
            flex-direction: column;
            padding: 16px 24px 24px;
            background: #fff;
            border-bottom: 1px solid var(--border);
        }
        .mobile-menu a {
            padding: 12px 16px;
            border-radius: 12px;
            font-weight: 500;
            color: var(--text);
        }
        .mobile-menu a:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .mobile-menu a.active {
            background: var(--primary-light);
            color: var(--primary-dark);
            font-weight: 600;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 640px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(12, 25, 41, 0.92), rgba(37, 99, 235, 0.85)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
            padding: 80px 0;
        }
        .hero-content {
            max-width: 700px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.20);
            border-radius: 9999px;
            padding: 8px 18px;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.3px;
            backdrop-filter: blur(8px);
        }
        .hero h1 {
            font-size: 52px;
            font-weight: 800;
            line-height: 1.2;
            margin: 24px 0 20px;
            letter-spacing: -1px;
        }
        .hero h1 span {
            background: linear-gradient(120deg, #fbbf24, #f59e0b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero p {
            font-size: 18px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 36px;
            max-width: 600px;
        }
        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: #fff;
            color: var(--primary-dark) !important;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: 9999px;
            font-size: 15px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
            transition: all .3s ease;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.20);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            color: #fff !important;
            font-weight: 600;
            padding: 14px 32px;
            border-radius: 9999px;
            font-size: 15px;
            transition: all .3s ease;
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(8px);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            transform: translateY(-3px);
        }
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 56px;
            max-width: 560px;
        }
        .hero-stat {
            background: rgba(255, 255, 255, 0.10);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 16px;
            padding: 18px 22px;
            backdrop-filter: blur(8px);
            text-align: center;
        }
        .hero-stat .num {
            font-size: 28px;
            font-weight: 800;
            color: #fbbf24;
        }
        .hero-stat .label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 4px;
        }

        /* ===== Sections ===== */
        .section {
            padding: 90px 0;
        }
        .section-alt {
            background: var(--surface);
        }
        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 56px;
        }
        .section-head .kicker {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            border-radius: 9999px;
            padding: 6px 18px;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .section-head h2 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
        }
        .section-head p {
            color: var(--text-weak);
            font-size: 16px;
            line-height: 1.8;
        }

        /* ===== Feature Cards ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 36px 30px;
            text-align: center;
            transition: all .3s ease;
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: opacity .3s;
        }
        .feature-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: 18px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 22px;
            color: var(--primary);
            font-size: 26px;
        }
        .feature-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .feature-card p {
            color: var(--text-weak);
            font-size: 14px;
            line-height: 1.8;
        }

        /* ===== Category Cards ===== */
        .cat-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .cat-card {
            border-radius: var(--radius);
            overflow: hidden;
            background: var(--surface);
            border: 1px solid var(--border);
            transition: all .35s ease;
            display: block;
        }
        .cat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .cat-card-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .cat-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(0, 0, 0, 0.4));
        }
        .cat-card-body {
            padding: 26px 28px 30px;
        }
        .cat-card-body h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .cat-card-body p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
            margin-bottom: 18px;
        }
        .cat-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
        }
        .cat-link:hover {
            gap: 10px;
        }
        .cat-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 9999px;
            margin-bottom: 14px;
        }

        /* ===== News List ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .news-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 30px;
            display: flex;
            gap: 20px;
            transition: all .3s ease;
        }
        .news-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-4px);
        }
        .news-thumb {
            width: 110px;
            height: 110px;
            border-radius: 14px;
            object-fit: cover;
            flex-shrink: 0;
            background: var(--primary-light);
        }
        .news-info {
            flex: 1;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-weak);
            margin-bottom: 8px;
        }
        .news-meta .cat-pill {
            background: var(--primary-light);
            color: var(--primary-dark);
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 9999px;
            font-size: 12px;
        }
        .news-card h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 8px;
        }
        .news-card h3 a:hover {
            color: var(--primary);
        }
        .news-card p {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 0;
            color: var(--text-weak);
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px dashed var(--border);
        }

        /* ===== Process ===== */
        .process-wrap {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .process-item {
            text-align: center;
            position: relative;
            padding: 0 8px;
        }
        .process-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            font-size: 22px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25);
        }
        .process-item h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .process-item p {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.7;
        }
        .process-item::after {
            content: '';
            position: absolute;
            top: 28px;
            right: -16px;
            width: 32px;
            height: 2px;
            background: linear-gradient(90deg, var(--primary-light), var(--accent-soft));
        }
        .process-item:last-child::after {
            display: none;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 8px 8px 8px 0;
            margin-bottom: 14px;
            transition: all .3s;
        }
        .faq-item:hover {
            border-color: var(--primary-light);
        }
        .faq-q {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 22px;
            font-weight: 600;
            font-size: 16px;
            cursor: pointer;
        }
        .faq-q i {
            color: var(--text-weak);
            transition: transform .3s;
            font-size: 16px;
        }
        .faq-item.open .faq-q i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-a {
            padding: 0 22px;
            max-height: 0;
            overflow: hidden;
            transition: all .4s ease;
        }
        .faq-item.open .faq-a {
            max-height: 400px;
            padding: 0 22px 20px;
        }
        .faq-a p {
            color: var(--text-weak);
            font-size: 15px;
            line-height: 1.8;
            border-left: 3px solid var(--primary-light);
            padding-left: 16px;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, #0c1929, #1e3a8a), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            background-blend-mode: overlay;
            border-radius: 24px;
            padding: 64px 56px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-block h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cta-block p {
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin: 0 auto 30px;
            font-size: 16px;
            line-height: 1.8;
        }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: #fbbf24;
            color: #0c1929 !important;
            font-weight: 700;
            padding: 14px 38px;
            border-radius: 9999px;
            font-size: 16px;
            transition: all .3s;
            box-shadow: 0 8px 24px rgba(251, 191, 36, 0.30);
        }
        .cta-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(251, 191, 36, 0.40);
        }

        /* ===== Footer ===== */
        .footer {
            background: #0c1929;
            color: rgba(255, 255, 255, 0.7);
            padding: 70px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            margin-top: 16px;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 20px;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            transition: color .25s;
        }
        .footer-links a:hover {
            color: #fbbf24;
        }
        .footer-bottom {
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 14px;
            font-size: 13px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-wrap {
                grid-template-columns: repeat(2, 1fr);
                gap: 40px 24px;
            }
            .process-item::after {
                display: none;
            }
            .hero h1 {
                font-size: 40px;
            }
        }
        @media (max-width: 768px) {
            .nav-links,
            .nav-cta {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-menu.open {
                display: flex;
            }
            .hero {
                min-height: 540px;
                padding: 60px 0;
            }
            .hero h1 {
                font-size: 34px;
            }
            .hero p {
                font-size: 16px;
            }
            .hero-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 10px;
            }
            .hero-stat {
                padding: 14px 12px;
            }
            .hero-stat .num {
                font-size: 20px;
            }
            .section {
                padding: 64px 0;
            }
            .section-head h2 {
                font-size: 28px;
            }
            .cat-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .news-card {
                flex-direction: column;
            }
            .news-thumb {
                width: 100%;
                height: 160px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .process-wrap {
                grid-template-columns: 1fr;
            }
            .cta-block {
                padding: 44px 28px;
                border-radius: var(--radius);
            }
            .cta-block h2 {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }
            .logo-text {
                font-size: 18px;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero-buttons {
                flex-direction: column;
                width: 100%;
            }
            .hero-buttons a {
                width: 100%;
                justify-content: center;
            }
            .hero-stats {
                grid-template-columns: 1fr;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .news-card {
                padding: 20px;
            }
        }

        /* ===== Utils ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: all .7s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

/* roulang page: category1 */
:root {
            --primary: #1e3a5f;
            --primary-dark: #0f2440;
            --primary-light: #2d4f7c;
            --accent: #d4a54a;
            --accent-hover: #b8892f;
            --bg: #f5f7fb;
            --text: #1e293b;
            --text-light: #64748b;
            --border: #e2e8f0;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 4px 24px rgba(15, 36, 64, 0.08);
            --shadow-lg: 0 12px 40px rgba(15, 36, 64, 0.14);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
        }
        .container {
            width: min(1200px, 92%);
            margin: 0 auto;
        }
        .container-sm {
            width: min(900px, 92%);
            margin: 0 auto;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.7);
            padding: 14px 0;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .site-logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .site-logo i {
            color: var(--accent);
            font-size: 20px;
        }
        .header-inner nav {
            display: flex;
            align-items: center;
            background: #f1f5f9;
            border-radius: 50px;
            padding: 4px;
            box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.04);
            overflow-x: auto;
            scrollbar-width: none;
        }
        .header-inner nav::-webkit-scrollbar {
            display: none;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2px;
            margin: 0;
            padding: 0;
        }
        .nav-links .nav-link {
            display: block;
            padding: 9px 18px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-light);
            border-radius: 50px;
            white-space: nowrap;
            transition: var(--transition);
        }
        .nav-links .nav-link:hover {
            color: var(--primary);
            background: rgba(255, 255, 255, 0.7);
        }
        .nav-links .nav-link.active {
            background: #fff;
            color: var(--primary);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(15, 36, 64, 0.08);
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            background: var(--primary);
            color: #fff;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 4px 15px rgba(30, 58, 95, 0.25);
            transition: var(--transition);
            white-space: nowrap;
        }
        .header-cta:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(30, 58, 95, 0.3);
        }
        .header-cta:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }
        .mobile-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: #f1f5f9;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--primary);
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            background: #e2e8f0;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            padding: 110px 0 90px;
            background: linear-gradient(135deg, rgba(15, 36, 64, 0.92), rgba(30, 58, 95, 0.78)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
            overflow: hidden;
        }
        .hero::after {
            content: '';
            position: absolute;
            right: -120px;
            top: -120px;
            width: 340px;
            height: 340px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(212, 165, 74, 0.25), transparent 70%);
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 50px;
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }
        .hero-badge i {
            color: var(--accent);
        }
        .hero h1 {
            font-size: clamp(32px, 5.5vw, 52px);
            line-height: 1.2;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
        }
        .hero h1 span {
            color: var(--accent);
        }
        .hero p {
            font-size: clamp(15px, 2vw, 18px);
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 32px;
            max-width: 560px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary-dark);
            box-shadow: 0 4px 20px rgba(212, 165, 74, 0.35);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(212, 165, 74, 0.4);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-primary:focus-visible {
            outline: 3px solid rgba(255, 255, 255, 0.7);
            outline-offset: 2px;
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }
        .btn-outline:focus-visible {
            outline: 3px solid rgba(255, 255, 255, 0.5);
            outline-offset: 2px;
        }
        .hero-stats {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            max-width: 520px;
            margin-top: 50px;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat .num {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent);
        }
        .hero-stat .label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== Section ===== */
        .section {
            padding: 84px 0;
        }
        .section-alt {
            background: #fff;
        }
        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 50px;
        }
        .section-tag {
            display: inline-block;
            padding: 5px 16px;
            background: rgba(212, 165, 74, 0.12);
            color: var(--accent-hover);
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .section-head h2 {
            font-size: clamp(26px, 3.5vw, 36px);
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.01em;
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-head p {
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.8;
        }

        /* ===== Entry Cards ===== */
        .entry-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .entry-card {
            position: relative;
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .entry-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .entry-card .card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .entry-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .entry-card:hover .card-img img {
            transform: scale(1.04);
        }
        .entry-card .card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 36, 64, 0.2), transparent 60%);
        }
        .entry-card .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .entry-card .card-body h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .entry-card .card-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }
        .entry-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-hover);
        }
        .entry-card .card-link:hover {
            gap: 10px;
            color: var(--primary);
        }
        .entry-card .card-link i {
            font-size: 12px;
        }
        .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            padding: 4px 12px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--primary);
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
            backdrop-filter: blur(4px);
        }

        /* ===== Identify ===== */
        .split-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .identify-image {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .identify-image img {
            width: 100%;
            height: 400px;
            object-fit: cover;
        }
        .identify-image .img-caption {
            position: absolute;
            bottom: 16px;
            left: 16px;
            right: 16px;
            background: rgba(15, 36, 64, 0.75);
            backdrop-filter: blur(8px);
            color: #fff;
            padding: 12px 18px;
            border-radius: 12px;
            font-size: 14px;
            line-height: 1.5;
        }
        .identify-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .identify-item {
            display: flex;
            gap: 16px;
            padding: 18px 20px;
            background: #fff;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .identify-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-lg);
            transform: translateX(4px);
        }
        .identify-item .icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(212, 165, 74, 0.12);
            color: var(--accent-hover);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }
        .identify-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .identify-item p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* ===== Steps ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .step-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 24px;
            text-align: center;
            position: relative;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .step-num {
            width: 54px;
            height: 54px;
            margin: 0 auto 20px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            box-shadow: 0 4px 15px rgba(30, 58, 95, 0.3);
            position: relative;
            z-index: 2;
        }
        .step-card:nth-child(even) .step-num {
            background: var(--accent);
            color: var(--primary-dark);
            box-shadow: 0 4px 15px rgba(212, 165, 74, 0.3);
        }
        .step-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
        }
        .step-arrow {
            position: absolute;
            top: 50%;
            right: -20px;
            transform: translateY(-50%);
            color: var(--border);
            font-size: 16px;
            z-index: 3;
        }
        .step-card:last-child .step-arrow {
            display: none;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(212, 165, 74, 0.4);
            box-shadow: var(--shadow);
        }
        .faq-item.active {
            border-color: var(--accent);
            box-shadow: var(--shadow);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 24px;
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            background: transparent;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--accent-hover);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(212, 165, 74, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--accent-hover);
            transition: var(--transition);
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--accent);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: #fff;
            padding: 80px 0;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(212, 165, 74, 0.2), transparent 70%);
            top: -100px;
            right: -100px;
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: clamp(26px, 4vw, 36px);
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta-inner p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 32px;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-white {
            background: #fff;
            color: var(--primary);
        }
        .btn-white:hover {
            background: rgba(255, 255, 255, 0.9);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
        }
        .btn-outline-white {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        .footer {
            background: #0f2440;
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            margin-top: 14px;
            max-width: 340px;
        }
        .footer h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            padding: 24px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* ===== Mobile ===== */
        @media (max-width: 1024px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .step-arrow {
                display: none;
            }
            .entry-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .site-header {
                padding: 12px 0;
            }
            .header-inner nav {
                display: none;
                position: absolute;
                top: calc(100% + 8px);
                left: 4%;
                right: 4%;
                background: #fff;
                border-radius: 16px;
                box-shadow: var(--shadow-lg);
                padding: 12px;
                flex-direction: column;
                align-items: stretch;
                overflow: visible;
                border: 1px solid var(--border);
            }
            .header-inner nav.open {
                display: block;
            }
            .nav-links {
                flex-direction: column;
                gap: 4px;
            }
            .nav-links .nav-link {
                border-radius: 10px;
                padding: 12px 16px;
            }
            .header-inner .header-cta {
                margin-left: auto;
            }
            .header-cta span {
                display: none;
            }
            .header-cta {
                padding: 10px 15px;
                font-size: 15px;
            }
            .mobile-toggle {
                display: flex;
            }
            .hero {
                padding: 80px 0 60px;
            }
            .hero-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 10px;
            }
            .hero-stat .num {
                font-size: 22px;
            }
            .entry-grid {
                grid-template-columns: 1fr;
            }
            .split-layout {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .identify-image img {
                height: 260px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .section {
                padding: 56px 0;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero p {
                font-size: 14px;
            }
            .btn {
                padding: 12px 22px;
                font-size: 14px;
            }
            .section-head {
                margin-bottom: 32px;
            }
            .faq-question {
                padding: 15px 16px;
                font-size: 14px;
            }
            .faq-answer-inner {
                padding: 0 16px 16px;
                font-size: 13px;
            }
        }

        /* ===== Animations ===== */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade-up {
            animation: fadeUp 0.8s ease both;
        }
        .delay-1 { animation-delay: 0.1s; }
        .delay-2 { animation-delay: 0.2s; }
        .delay-3 { animation-delay: 0.3s; }
        .delay-4 { animation-delay: 0.4s; }

/* roulang page: category2 */
:root {
            --primary: #1b2a4e;
            --primary-light: #2c3e6e;
            --accent: #d4a853;
            --accent-hover: #c09540;
            --bg: #f5f7fc;
            --bg-white: #ffffff;
            --text: #1a1f36;
            --text-light: #6b7280;
            --border: #e5e9f2;
            --radius: 16px;
            --radius-lg: 24px;
            --radius-sm: 10px;
            --shadow: 0 4px 20px rgba(27, 42, 78, 0.08);
            --shadow-lg: 0 12px 40px rgba(27, 42, 78, 0.14);
            --font-main: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        img {
            max-width: 100%;
            display: block;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }

        ul {
            list-style: none;
        }

        /* ---------- Container ---------- */
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ---------- Header / Nav ---------- */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow 0.3s;
        }

        .site-header.scrolled {
            box-shadow: 0 6px 30px rgba(27, 42, 78, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
            gap: 20px;
        }

        .logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            white-space: nowrap;
            transition: opacity 0.2s;
        }

        .logo:hover {
            opacity: 0.8;
        }

        .main-nav {
            display: flex;
            align-items: center;
            flex: 1;
            justify-content: center;
        }

        .nav-links {
            display: flex;
            gap: 6px;
            align-items: center;
        }

        .nav-link {
            display: block;
            padding: 8px 20px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            transition: all 0.25s;
            position: relative;
        }

        .nav-link:hover {
            background: rgba(27, 42, 78, 0.06);
            color: var(--primary);
        }

        .nav-link.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(27, 42, 78, 0.25);
        }

        .header-cta {
            white-space: nowrap;
            font-size: 14px;
            padding: 10px 24px;
        }

        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--bg);
            color: var(--primary);
            font-size: 18px;
            align-items: center;
            justify-content: center;
            transition: background 0.2s;
        }

        .menu-toggle:hover {
            background: #e8ecf3;
        }

        /* ---------- Buttons ---------- */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 30px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            border: 2px solid transparent;
            transition: all 0.3s;
            line-height: 1.4;
        }

        .btn-primary {
            background: var(--accent);
            color: var(--primary);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(212, 168, 83, 0.35);
        }

        .btn-outline {
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
            background: transparent;
        }

        .btn-outline:hover {
            background: #fff;
            color: var(--primary);
            border-color: #fff;
        }

        .btn-dark {
            background: var(--primary);
            color: #fff;
        }

        .btn-dark:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(27, 42, 78, 0.3);
        }

        /* ---------- Hero ---------- */
        .page-hero {
            position: relative;
            padding: 120px 0 100px;
            background: linear-gradient(135deg, rgba(27, 42, 78, 0.92), rgba(44, 62, 110, 0.78)),
                url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            color: #fff;
            overflow: hidden;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, var(--bg), transparent);
            pointer-events: none;
        }

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

        .hero-breadcrumb {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            background: rgba(255, 255, 255, 0.12);
            padding: 8px 18px;
            border-radius: 999px;
            backdrop-filter: blur(6px);
            margin-bottom: 24px;
        }

        .hero-breadcrumb i {
            font-size: 12px;
        }

        .hero-breadcrumb a:hover {
            color: #fff;
        }

        .hero-title {
            font-size: 52px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -1px;
            margin-bottom: 18px;
            max-width: 720px;
        }

        .hero-sub {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            line-height: 1.8;
            margin-bottom: 36px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        /* ---------- Section ---------- */
        .section {
            padding: 100px 0;
        }

        .section-alt {
            background: #fff;
        }

        .section-dark {
            background: var(--primary);
            color: #fff;
        }

        .section-head {
            text-align: center;
            max-width: 740px;
            margin: 0 auto 56px;
        }

        .section-tag {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 999px;
            background: rgba(212, 168, 83, 0.14);
            color: #a87e2e;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }

        .section-dark .section-tag {
            background: rgba(212, 168, 83, 0.2);
            color: var(--accent);
        }

        .section-title {
            font-size: 38px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
            letter-spacing: -0.5px;
        }

        .section-dark .section-title {
            color: #fff;
        }

        .section-sub {
            color: var(--text-light);
            font-size: 17px;
            margin-top: 14px;
        }

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

        /* ---------- Version Cards ---------- */
        .version-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .version-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: transform 0.3s, box-shadow 0.3s;
            display: flex;
            flex-direction: column;
        }

        .version-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

        .version-card.featured {
            border-color: var(--accent);
            box-shadow: 0 12px 40px rgba(212, 168, 83, 0.2);
        }

        .version-cover {
            position: relative;
            height: 180px;
            overflow: hidden;
        }

        .version-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }

        .version-card:hover .version-cover img {
            transform: scale(1.06);
        }

        .version-cover .badge {
            position: absolute;
            top: 16px;
            left: 16px;
        }

        .version-body {
            padding: 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .version-name {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .version-desc {
            color: var(--text-light);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .version-features {
            margin-bottom: 24px;
            flex: 1;
        }

        .version-features li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 7px 0;
            font-size: 14px;
            color: var(--text);
        }

        .version-features li i {
            color: var(--accent);
            font-size: 14px;
            margin-top: 3px;
        }

        /* ---------- Badge ---------- */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            background: var(--accent);
            color: var(--primary);
            letter-spacing: 0.3px;
        }

        .badge-blue {
            background: var(--primary);
            color: #fff;
        }

        .badge-outline {
            background: transparent;
            border: 1px solid var(--border);
            color: var(--text-light);
        }

        /* ---------- Feature Cards ---------- */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 34px 28px;
            transition: all 0.3s;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 0;
            background: var(--accent);
            transition: height 0.3s;
        }

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

        .feature-card:hover::before {
            height: 100%;
        }

        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: rgba(212, 168, 83, 0.14);
            color: #a87e2e;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
            transition: all 0.3s;
        }

        .feature-card:hover .feature-icon {
            background: var(--accent);
            color: var(--primary);
            transform: rotate(-6deg) scale(1.05);
        }

        .feature-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .feature-text {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.75;
        }

        /* ---------- Timeline ---------- */
        .timeline-wrap {
            position: relative;
            max-width: 860px;
            margin: 0 auto;
            padding: 20px 0;
        }

        .timeline-wrap::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, transparent, var(--border) 8%, var(--border) 92%, transparent);
            transform: translateX(-50%);
        }

        .timeline-item {
            position: relative;
            width: 50%;
            padding: 24px 40px 24px 0;
            text-align: right;
        }

        .timeline-item:nth-child(even) {
            margin-left: 50%;
            padding: 24px 0 24px 40px;
            text-align: left;
        }

        .timeline-item::after {
            content: '';
            position: absolute;
            top: 36px;
            right: -8px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--accent);
            border: 3px solid #fff;
            box-shadow: 0 0 0 4px rgba(212, 168, 83, 0.25);
        }

        .timeline-item:nth-child(even)::after {
            right: auto;
            left: -8px;
        }

        .timeline-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 26px 28px;
            display: inline-block;
            max-width: 100%;
            box-shadow: var(--shadow);
            transition: transform 0.3s, box-shadow 0.3s;
            text-align: left;
        }

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

        .timeline-version {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .timeline-date {
            display: inline-block;
            font-size: 13px;
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 10px;
        }

        .timeline-desc {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ---------- Compare Table ---------- */
        .compare-wrap {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
            overflow-x: auto;
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 560px;
        }

        .compare-table th,
        .compare-table td {
            padding: 16px 24px;
            text-align: center;
            font-size: 14px;
            border-bottom: 1px solid var(--border);
        }

        .compare-table th {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
        }

        .compare-table th:first-child {
            text-align: left;
            border-radius: 0;
        }

        .compare-table td:first-child {
            text-align: left;
            font-weight: 500;
            color: var(--text);
        }

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

        .compare-table tr:hover td {
            background: rgba(27, 42, 78, 0.02);
        }

        .compare-table .check {
            color: #16a34a;
            font-size: 16px;
        }

        .compare-table .dash {
            color: #cbd5e1;
            font-size: 16px;
        }

        .compare-table .accent-text {
            color: var(--accent);
            font-weight: 700;
        }

        /* ---------- FAQ ---------- */
        .faq-wrap {
            max-width: 840px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 16px;
            overflow: hidden;
            transition: box-shadow 0.3s, border-color 0.3s;
        }

        .faq-item.open {
            border-color: var(--accent);
            box-shadow: 0 8px 30px rgba(27, 42, 78, 0.08);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 22px 28px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            background: transparent;
            transition: color 0.2s;
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(212, 168, 83, 0.14);
            color: #a87e2e;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            transition: transform 0.3s, background 0.3s;
        }

        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            background: var(--accent);
            color: var(--primary);
        }

        .faq-answer {
            padding: 0 28px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s;
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.8;
        }

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

        /* ---------- CTA ---------- */
        .cta-section {
            position: relative;
            padding: 90px 0;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            overflow: hidden;
            text-align: center;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(212, 168, 83, 0.15);
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -120px;
            left: -60px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
        }

        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-title {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .cta-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 36px;
            line-height: 1.8;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }

        /* ---------- Footer ---------- */
        .footer {
            background: #111827;
            color: rgba(255, 255, 255, 0.7);
            padding: 70px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 50px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            margin-top: 14px;
            color: rgba(255, 255, 255, 0.55);
            max-width: 360px;
        }

        .footer h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            transition: color 0.2s;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 26px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
        }

        /* ---------- Responsive ---------- */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 42px;
            }
            .version-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 18px;
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 64px;
            }
            .logo {
                font-size: 18px;
            }
            .menu-toggle {
                display: flex;
                order: 3;
            }
            .main-nav {
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--border);
                padding: 16px 24px;
                box-shadow: 0 20px 40px rgba(27, 42, 78, 0.1);
                display: none;
                flex-direction: column;
                align-items: stretch;
                z-index: 99;
            }
            .main-nav.open {
                display: flex;
            }
            .nav-links {
                flex-direction: column;
                gap: 8px;
                width: 100%;
                align-items: stretch;
            }
            .nav-link {
                text-align: center;
                padding: 12px 20px;
            }
            .header-cta {
                display: none;
            }

            .page-hero {
                padding: 80px 0 70px;
            }
            .hero-title {
                font-size: 32px;
            }
            .hero-sub {
                font-size: 16px;
            }

            .section {
                padding: 64px 0;
            }
            .section-title {
                font-size: 28px;
            }

            .version-grid {
                grid-template-columns: 1fr;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }

            .timeline-wrap::before {
                left: 16px;
            }
            .timeline-item,
            .timeline-item:nth-child(even) {
                width: 100%;
                margin-left: 0;
                padding: 20px 0 20px 44px;
                text-align: left;
            }
            .timeline-item::after,
            .timeline-item:nth-child(even)::after {
                right: auto;
                left: 8px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .section-title {
                font-size: 24px;
            }
            .version-body {
                padding: 22px;
            }
            .cta-title {
                font-size: 28px;
            }
        }

/* roulang page: article */
:root {
    --primary: #4f46e5;
    --primary-600: #4338ca;
    --primary-100: #eef2ff;
    --accent: #06b6d4;
    --accent-600: #0891b2;
    --dark: #0f172a;
    --dark-soft: #1e293b;
    --text: #1e293b;
    --text-light: #64748b;
    --bg: #f8fafc;
    --white: #ffffff;
    --border: #e2e8f0;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-lg: 26px;
    --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 20px 50px rgba(79, 70, 229, 0.15);
    --shadow-primary: 0 8px 25px rgba(79, 70, 229, 0.3);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif; background: var(--bg); color: var(--text); line-height: 1.7; font-size: 16px; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; display: block; height: auto; }
ul, ol { list-style: none; }
button, input { font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Header */
.header { position: sticky; top: 0; z-index: 100; background: rgba(255, 255, 255, 0.88); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-bottom: 1px solid rgba(226, 232, 240, 0.7); transition: box-shadow 0.3s ease; }
.header.scrolled { box-shadow: 0 8px 30px rgba(15, 23, 42, 0.08); }
.nav-container { max-width: 1280px; margin: 0 auto; padding: 0 24px; height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.logo { font-size: 22px; font-weight: 800; letter-spacing: -0.02em; background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; white-space: nowrap; }
.nav-links { display: flex; align-items: center; gap: 4px; background: #fff; border: 1px solid var(--border); border-radius: 40px; padding: 6px; box-shadow: 0 4px 18px rgba(15, 23, 42, 0.05); }
.nav-link { display: inline-flex; align-items: center; padding: 8px 18px; border-radius: 30px; font-size: 14px; font-weight: 500; color: var(--text); transition: var(--transition); white-space: nowrap; }
.nav-link:hover { background: var(--primary-100); color: var(--primary); }
.nav-link.active { background: var(--primary); color: #fff; box-shadow: 0 6px 16px rgba(79, 70, 229, 0.35); }
.nav-cta .btn-cta { display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px; border-radius: 30px; background: var(--dark); color: #fff; font-size: 14px; font-weight: 600; transition: var(--transition); white-space: nowrap; }
.nav-cta .btn-cta:hover { background: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow-primary); }

/* Banner */
.banner { position: relative; padding: 88px 0 72px; background-size: cover; background-position: center; color: #fff; }
.banner::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15, 23, 42, 0.88), rgba(79, 70, 229, 0.72)); z-index: 1; }
.banner-content { position: relative; z-index: 2; max-width: 760px; }
.banner-badge { display: inline-flex; align-items: center; gap: 8px; padding: 8px 18px; border-radius: 40px; background: rgba(255, 255, 255, 0.16); border: 1px solid rgba(255, 255, 255, 0.24); font-size: 14px; font-weight: 500; backdrop-filter: blur(8px); margin-bottom: 20px; }
.banner-title { font-size: 40px; font-weight: 800; line-height: 1.25; letter-spacing: -0.02em; margin-bottom: 16px; }
.banner-desc { font-size: 17px; line-height: 1.7; color: rgba(255, 255, 255, 0.9); max-width: 560px; }

/* Section commons */
.py-20 { padding: 80px 0; }
.section-eyebrow { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--primary); background: var(--primary-100); padding: 6px 14px; border-radius: 30px; margin-bottom: 12px; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section-head h2 { font-size: 34px; font-weight: 800; letter-spacing: -0.02em; color: var(--dark-soft); margin-bottom: 12px; line-height: 1.3; }
.section-head p { font-size: 16px; color: var(--text-light); line-height: 1.6; }

/* Article layout */
.article-wrap { padding: 60px 0; }
.article-grid { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 40px; align-items: start; }
.article-main { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 44px; box-shadow: var(--shadow); }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 13px; color: var(--text-light); margin-bottom: 24px; padding-bottom: 20px; border-bottom: 1px solid var(--border); }
.breadcrumb a { color: var(--primary); }
.breadcrumb a:hover { text-decoration: underline; }
.article-meta-top { margin-bottom: 28px; }
.article-meta-top .badge { display: inline-block; padding: 6px 14px; border-radius: 20px; background: var(--primary-100); color: var(--primary); font-size: 13px; font-weight: 600; margin-bottom: 14px; }
.article-meta-top h1 { font-size: 32px; font-weight: 800; line-height: 1.3; color: var(--dark-soft); margin-bottom: 12px; letter-spacing: -0.02em; }
.article-meta-top .meta-list { display: flex; flex-wrap: wrap; gap: 18px; font-size: 14px; color: var(--text-light); }
.article-meta-top .meta-list i { margin-right: 6px; color: var(--primary); }

/* Article content */
.article-content { font-size: 16px; line-height: 1.85; color: #334155; }
.article-content h2 { font-size: 24px; font-weight: 700; color: var(--dark-soft); margin: 32px 0 16px; letter-spacing: -0.01em; }
.article-content h3 { font-size: 20px; font-weight: 700; color: var(--dark-soft); margin: 24px 0 12px; }
.article-content p { margin-bottom: 16px; }
.article-content a { color: var(--primary); text-decoration: underline; text-underline-offset: 4px; }
.article-content a:hover { color: var(--accent); }
.article-content img { border-radius: var(--radius); margin: 24px 0; box-shadow: var(--shadow); }
.article-content ul { margin: 16px 0; padding-left: 20px; }
.article-content ul li { position: relative; padding-left: 8px; margin-bottom: 8px; }
.article-content ul li::before { content: ''; position: absolute; left: -14px; top: 12px; width: 6px; height: 6px; border-radius: 50%; background: var(--primary); }
.article-content ol { margin: 16px 0; padding-left: 20px; list-style: decimal; }
.article-content ol li { margin-bottom: 8px; padding-left: 4px; }
.article-content blockquote { border-left: 4px solid var(--primary); background: var(--primary-100); padding: 16px 20px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; margin: 20px 0; color: #475569; }
.article-content table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 14px; }
.article-content table th, .article-content table td { border: 1px solid var(--border); padding: 10px 14px; text-align: left; }
.article-content table th { background: var(--primary-100); font-weight: 600; }
.article-content code { background: #f1f5f9; padding: 2px 8px; border-radius: 6px; font-size: 14px; color: var(--primary-600); }
.article-tags { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--border); }
.article-tags > span:first-child { font-size: 14px; font-weight: 600; color: var(--text-light); }
.tag-chip { display: inline-block; padding: 6px 14px; border-radius: 20px; background: var(--bg); border: 1px solid var(--border); font-size: 13px; color: var(--text-light); transition: var(--transition); }
.tag-chip:hover { background: var(--primary-100); color: var(--primary); border-color: var(--primary); }
.not-found-block { text-align: center; padding: 60px 20px; }
.not-found-block i { font-size: 48px; color: #cbd5e1; margin-bottom: 16px; }
.not-found-block h2 { font-size: 28px; font-weight: 800; color: var(--dark-soft); margin-bottom: 10px; }
.not-found-block p { color: var(--text-light); margin-bottom: 24px; }

/* Sidebar */
.article-side { display: flex; flex-direction: column; gap: 24px; }
.side-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); }
.side-card-title { font-size: 17px; font-weight: 700; display: flex; align-items: center; gap: 10px; margin-bottom: 18px; color: var(--dark-soft); }
.side-card-title i { color: var(--primary); }
.side-link-list li { margin-bottom: 8px; }
.side-link-list a { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; border-radius: var(--radius-sm); background: var(--bg); border: 1px solid transparent; font-size: 14px; font-weight: 500; color: var(--text); transition: var(--transition); }
.side-link-list a:hover { background: var(--primary-100); border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.side-link-list a i { font-size: 12px; color: var(--text-light); transition: var(--transition); }
.side-link-list a:hover i { color: var(--primary); transform: translateX(4px); }
.side-guide p, .side-contact p { font-size: 14px; color: var(--text-light); line-height: 1.7; margin-bottom: 16px; }
.btn-block { width: 100%; text-align: center; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 26px; border-radius: 12px; font-size: 15px; font-weight: 600; border: 2px solid transparent; transition: var(--transition); cursor: pointer; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 8px 20px rgba(79, 70, 229, 0.25); }
.btn-primary:hover { background: var(--primary-600); transform: translateY(-2px); box-shadow: 0 12px 28px rgba(79, 70, 229, 0.35); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary-100); transform: translateY(-2px); }
.btn-white { background: #fff; color: var(--primary); }
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12); }
.btn-outline-white { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.6); }
.btn-outline-white:hover { background: rgba(255, 255, 255, 0.16); transform: translateY(-2px); }

/* Category cards */
.cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.cat-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); display: flex; flex-direction: column; }
.cat-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.cat-card-img { position: relative; height: 200px; overflow: hidden; }
.cat-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.cat-card:hover .cat-card-img img { transform: scale(1.06); }
.cat-card-img::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(15, 23, 42, 0.35), transparent); }
.cat-card-badge { position: absolute; left: 16px; bottom: 14px; z-index: 2; padding: 6px 14px; border-radius: 20px; background: rgba(255, 255, 255, 0.92); color: var(--dark-soft); font-size: 13px; font-weight: 600; backdrop-filter: blur(6px); }
.cat-card-body { padding: 26px; display: flex; flex-direction: column; flex: 1; }
.cat-card-body h3 { font-size: 20px; font-weight: 700; color: var(--dark-soft); margin-bottom: 10px; }
.cat-card-body p { font-size: 15px; color: var(--text-light); line-height: 1.65; margin-bottom: 20px; flex: 1; }
.cat-link { display: inline-flex; align-items: center; gap: 8px; color: var(--primary); font-size: 15px; font-weight: 600; }
.cat-link i { transition: transform 0.3s ease; }
.cat-link:hover { color: var(--accent); }
.cat-link:hover i { transform: translateX(6px); }

/* Steps */
.steps-section { background: var(--dark); color: #fff; }
.steps-section .section-eyebrow { background: rgba(255, 255, 255, 0.14); color: #fff; }
.steps-section .section-head h2 { color: #fff; }
.steps-section .section-head p { color: rgba(255, 255, 255, 0.7); }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.step-card { background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: var(--radius); padding: 32px; backdrop-filter: blur(8px); transition: var(--transition); }
.step-card:hover { background: rgba(255, 255, 255, 0.1); transform: translateY(-4px); }
.step-num { display: block; font-size: 40px; font-weight: 800; color: rgba(255, 255, 255, 0.18); line-height: 1; margin-bottom: 18px; }
.step-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 12px; color: #fff; }
.step-card p { font-size: 15px; line-height: 1.7; color: rgba(255, 255, 255, 0.75); }

/* FAQ */
.faq-grid { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: 0 2px 10px rgba(15, 23, 42, 0.04); transition: var(--transition); }
.faq-item:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 22px 26px; cursor: pointer; font-size: 16px; font-weight: 600; color: var(--dark-soft); list-style: none; transition: background 0.3s ease; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '\f078'; font-family: 'Font Awesome 6 Free'; font-weight: 900; font-size: 14px; color: var(--primary); transition: transform 0.3s ease; }
.faq-item[open] summary { background: var(--primary-100); }
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-item p { padding: 0 26px 22px; font-size: 15px; color: var(--text-light); line-height: 1.75; }

/* CTA */
.cta-section { padding: 80px 0; }
.cta-box { background: linear-gradient(135deg, var(--primary), var(--accent)); border-radius: var(--radius-lg); padding: 56px 64px; display: flex; align-items: center; justify-content: space-between; gap: 32px; box-shadow: var(--shadow-lg); position: relative; overflow: hidden; }
.cta-box::before { content: ''; position: absolute; top: -40px; right: -40px; width: 200px; height: 200px; border-radius: 50%; background: rgba(255, 255, 255, 0.1); }
.cta-box::after { content: ''; position: absolute; bottom: -60px; left: 20%; width: 140px; height: 140px; border-radius: 50%; background: rgba(255, 255, 255, 0.08); }
.cta-text { position: relative; z-index: 1; }
.cta-text h2 { font-size: 30px; font-weight: 800; color: #fff; margin-bottom: 12px; letter-spacing: -0.02em; }
.cta-text p { font-size: 16px; color: rgba(255, 255, 255, 0.9); max-width: 460px; line-height: 1.6; }
.cta-actions { position: relative; z-index: 1; display: flex; gap: 14px; flex-shrink: 0; }

/* Footer */
.footer { background: var(--dark); color: #94a3b8; padding: 72px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand p { font-size: 15px; line-height: 1.75; margin-top: 16px; max-width: 360px; }
.footer h4 { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 20px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 15px; color: #94a3b8; transition: var(--transition); }
.footer-links a:hover { color: #fff; padding-left: 6px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.08); padding-top: 28px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 14px; color: #64748b; }

/* Responsive */
@media (max-width: 1024px) {
    .article-grid { grid-template-columns: 1fr; }
    .cat-grid { grid-template-columns: repeat(2, 1fr); }
    .steps-grid { grid-template-columns: repeat(2, 1fr); }
    .cta-box { padding: 44px 40px; flex-direction: column; text-align: center; }
    .cta-text p { margin: 0 auto; }
}
@media (max-width: 768px) {
    .py-20 { padding: 56px 0; }
    .nav-container { height: auto; flex-wrap: wrap; padding: 12px 16px; gap: 10px; }
    .nav-links { overflow-x: auto; width: 100%; justify-content: flex-start; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
    .nav-links::-webkit-scrollbar { display: none; }
    .nav-cta { display: none; }
    .banner { padding: 60px 0 48px; }
    .banner-title { font-size: 28px; }
    .banner-desc { font-size: 16px; }
    .section-head h2 { font-size: 26px; }
    .article-main { padding: 28px 20px; }
    .article-meta-top h1 { font-size: 24px; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
}
@media (max-width: 520px) {
    .container { padding: 0 16px; }
    .logo { font-size: 18px; }
    .nav-link { padding: 6px 14px; font-size: 13px; }
    .cat-grid { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: 1fr; }
    .cta-box { padding: 36px 24px; }
    .cta-text h2 { font-size: 24px; }
    .cta-actions { flex-direction: column; width: 100%; }
    .cta-actions .btn { width: 100%; }
    .article-tags { flex-direction: column; align-items: flex-start; }
}

/* roulang page: category3 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a2a3a;
            --primary-light: #243b52;
            --accent: #d4a24e;
            --accent-dark: #b8893a;
            --bg-soft: #f5f7fa;
            --white: #ffffff;
            --text: #1a2332;
            --text-light: #5a6a7a;
            --text-lighter: #8a98a8;
            --border: #e5eaf0;
            --radius-sm: 10px;
            --radius: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 12px rgba(26, 42, 58, 0.06);
            --shadow: 0 8px 30px rgba(26, 42, 58, 0.08);
            --shadow-hover: 0 16px 40px rgba(26, 42, 58, 0.15);
            --transition: all 0.3s ease;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg-soft);
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        ul,
        ol {
            list-style: none;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: 1rem;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--white);
        }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 50px;
        }
        .section-head .section-tag {
            display: inline-block;
            background: rgba(212, 162, 78, 0.12);
            color: var(--accent-dark);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            padding: 6px 18px;
            border-radius: 30px;
            margin-bottom: 16px;
        }
        .section-head h2 {
            font-size: 36px;
            font-weight: 800;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .section-head p {
            color: var(--text-light);
            font-size: 16px;
        }

        /* ===== Header 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--white);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 16px rgba(26, 42, 58, 0.04);
        }
        .header-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            height: 76px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .site-logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .site-logo .logo-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
            box-shadow: 0 0 0 4px rgba(212, 162, 78, 0.2);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links .nav-link {
            display: block;
            padding: 10px 18px;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-light);
            transition: var(--transition);
        }
        .nav-links .nav-link:hover {
            color: var(--primary);
            background: rgba(26, 42, 58, 0.04);
            transform: translateY(-1px);
        }
        .nav-links .nav-link.active {
            color: var(--primary);
            background: rgba(212, 162, 78, 0.16);
            font-weight: 600;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: 12px;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(212, 162, 78, 0.3);
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(212, 162, 78, 0.4);
        }
        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            border: 1px solid var(--border);
            background: var(--white);
            color: var(--text);
            font-size: 18px;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .menu-toggle:hover {
            border-color: var(--accent);
            color: var(--accent-dark);
        }
        .mobile-menu {
            display: none;
            background: var(--white);
            border-top: 1px solid var(--border);
            padding: 12px 24px 20px;
            box-shadow: 0 12px 24px rgba(26, 42, 58, 0.08);
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-links li a {
            display: block;
            padding: 14px 12px;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-light);
            border-bottom: 1px solid var(--bg-soft);
        }
        .mobile-links li a.active {
            color: var(--primary);
            font-weight: 600;
            background: rgba(212, 162, 78, 0.12);
        }
        .mobile-links li:last-child a {
            border-bottom: none;
        }

        /* ===== 页面 Hero ===== */
        .page-hero {
            position: relative;
            padding: 90px 0 110px;
            background-size: cover;
            background-position: center;
            color: #fff;
            overflow: hidden;
        }
        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 42, 58, 0.92) 0%, rgba(26, 42, 58, 0.68) 55%, rgba(26, 42, 58, 0.35) 100%);
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            backdrop-filter: blur(8px);
            color: #f5d9a8;
            font-size: 13px;
            font-weight: 600;
            padding: 7px 18px;
            border-radius: 30px;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }
        .page-hero h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            max-width: 680px;
            letter-spacing: -1px;
        }
        .page-hero p {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            margin-bottom: 32px;
        }
        .page-hero .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .hero-actions .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 14px;
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
        }
        .hero-actions .btn-pill {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 6px 20px rgba(212, 162, 78, 0.35);
        }
        .hero-actions .btn-pill:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(212, 162, 78, 0.45);
        }
        .hero-actions .btn-ghost {
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(6px);
        }
        .hero-actions .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.16);
            border-color: rgba(255, 255, 255, 0.6);
            transform: translateY(-2px);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 24px;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
        }
        .breadcrumb a:hover {
            color: #f5d9a8;
        }
        .breadcrumb .sep {
            opacity: 0.5;
        }
        .breadcrumb .current {
            color: #f5d9a8;
        }

        /* ===== 安全卡片 ===== */
        .safety-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .safety-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 26px;
            text-align: center;
            transition: var(--transition);
        }
        .safety-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(212, 162, 78, 0.35);
        }
        .safety-card .icon-box {
            width: 68px;
            height: 68px;
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 26px;
            background: linear-gradient(135deg, rgba(212, 162, 78, 0.18), rgba(212, 162, 78, 0.06));
            color: var(--accent-dark);
            transition: var(--transition);
        }
        .safety-card:hover .icon-box {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: #fff;
            transform: scale(1.05);
        }
        .safety-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .safety-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ===== 数据区块 ===== */
        .stats-band {
            background: var(--primary);
            padding: 60px 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .stats-band::before {
            content: "";
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(212, 162, 78, 0.18), transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        .stats-band::after {
            content: "";
            position: absolute;
            bottom: -60%;
            left: -5%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(212, 162, 78, 0.1), transparent 60%);
            border-radius: 50%;
            pointer-events: none;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
            position: relative;
            z-index: 2;
        }
        .stat-item .stat-num {
            font-size: 42px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-item .stat-label {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
        }

        /* ===== 帮助卡片 ===== */
        .help-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .help-card {
            background: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .help-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(212, 162, 78, 0.3);
        }
        .help-card .help-img {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            position: relative;
        }
        .help-card .help-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .help-card:hover .help-img img {
            transform: scale(1.06);
        }
        .help-card .help-img .img-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(26, 42, 58, 0.75);
            backdrop-filter: blur(6px);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 20px;
        }
        .help-card .help-body {
            padding: 22px 20px 24px;
        }
        .help-card .help-body h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .help-card .help-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .help-card .help-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-dark);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .help-card .help-link:hover {
            gap: 12px;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(212, 162, 78, 0.35);
            box-shadow: var(--shadow-sm);
        }
        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            list-style: none;
            position: relative;
            transition: var(--transition);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary:hover {
            color: var(--accent-dark);
        }
        .faq-item summary::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 13px;
            color: var(--accent-dark);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 24px 22px;
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.8;
            border-top: 1px solid var(--bg-soft);
            padding-top: 16px;
        }

        /* ===== CTA ===== */
        .cta-wrap {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 24px;
            position: relative;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
        }
        .cta-wrap::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(26, 42, 58, 0.94), rgba(26, 42, 58, 0.78));
        }
        .cta-wrap>* {
            position: relative;
            z-index: 2;
        }
        .cta-text h3 {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 8px;
        }
        .cta-text p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 15px;
        }
        .cta-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .cta-btns .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            border-radius: 14px;
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
        }
        .cta-btns .btn-gold {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 6px 20px rgba(212, 162, 78, 0.35);
        }
        .cta-btns .btn-gold:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(212, 162, 78, 0.45);
        }
        .cta-btns .btn-line {
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: #fff;
        }
        .cta-btns .btn-line:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        .footer {
            background: #141f2b;
            color: rgba(255, 255, 255, 0.75);
            padding: 70px 0 0;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 50px;
            padding-bottom: 50px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand p {
            margin-top: 16px;
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 380px;
        }
        .footer h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 6px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding: 22px 0 28px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== 焦点可访问性 ===== */
        a:focus-visible,
        button:focus-visible,
        summary:focus-visible {
            outline: 3px solid rgba(212, 162, 78, 0.6);
            outline-offset: 2px;
            border-radius: 8px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .safety-grid,
            .help-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .page-hero h1 {
                font-size: 38px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .header-actions .btn-accent {
                display: none;
            }
            .section {
                padding: 60px 0;
            }
            .section-head h2 {
                font-size: 28px;
            }
            .page-hero {
                padding: 60px 0 80px;
            }
            .page-hero h1 {
                font-size: 30px;
            }
            .page-hero p {
                font-size: 15px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .cta-wrap {
                padding: 36px 24px;
                flex-direction: column;
                text-align: center;
            }
            .cta-btns {
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .safety-grid,
            .help-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .header-inner {
                padding: 0 16px;
                height: 68px;
            }
            .site-logo {
                font-size: 18px;
            }
            .page-hero h1 {
                font-size: 26px;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .stat-item .stat-num {
                font-size: 32px;
            }
            .container {
                padding: 0 16px;
            }
        }