/* roulang page: index */
:root {
            --bg-dark: #0b0f1a;
            --bg-panel: #111827;
            --bg-card: #151e2e;
            --bg-elevated: #1d2940;
            --bg-soft: rgba(255, 255, 255, 0.04);
            --primary: #4f8cff;
            --primary-bright: #7aa5ff;
            --primary-soft: rgba(79, 140, 255, 0.12);
            --accent: #f5a623;
            --accent-soft: rgba(245, 166, 35, 0.15);
            --success: #10b981;
            --text-main: #f1f5f9;
            --text-secondary: #aeb9cc;
            --text-muted: #64748b;
            --border: rgba(255, 255, 255, 0.08);
            --border-light: rgba(255, 255, 255, 0.14);
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.16);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.28);
            --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.4);
            --transition: 0.25s ease;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background-color: var(--bg-dark);
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }
        a:hover {
            color: var(--primary-bright);
        }

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

        ul,
        ol {
            padding-left: 1.2rem;
        }

        .container {
            max-width: 1240px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding: 88px 0;
        }

        .section-alt {
            background-color: var(--bg-panel);
            position: relative;
            overflow: hidden;
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }

        .section-head .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--primary-bright);
            background: var(--primary-soft);
            padding: 6px 16px;
            border-radius: 999px;
            border: 1px solid rgba(79, 140, 255, 0.25);
            margin-bottom: 16px;
        }

        .section-head .eyebrow i {
            font-size: 12px;
        }

        .section-head h2 {
            font-size: clamp(28px, 4vw, 42px);
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.25;
            margin-bottom: 14px;
            color: var(--text-main);
        }

        .section-head p {
            color: var(--text-secondary);
            font-size: 17px;
            margin-bottom: 0;
        }

        .section-head.light h2 {
            color: #fff;
        }

        .btn {
            border-radius: 12px;
            font-weight: 600;
            padding: 12px 28px;
            font-size: 16px;
            border: 1px solid transparent;
            transition: all 0.28s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.2px;
        }

        .btn:focus,
        .btn:focus-visible {
            outline: 3px solid rgba(79, 140, 255, 0.4);
            box-shadow: 0 0 0 4px rgba(79, 140, 255, 0.15);
        }

        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 20px rgba(79, 140, 255, 0.35);
        }
        .btn-primary-custom:hover {
            background: var(--primary-bright);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 28px rgba(79, 140, 255, 0.45);
        }

        .btn-outline-custom {
            background: transparent;
            border-color: var(--border-light);
            color: var(--text-main);
        }
        .btn-outline-custom:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: var(--primary-bright);
            color: var(--primary-bright);
            transform: translateY(-2px);
        }

        .btn-accent {
            background: var(--accent);
            color: #0b0f1a;
            box-shadow: 0 4px 18px rgba(245, 166, 35, 0.35);
        }
        .btn-accent:hover {
            background: #ffb94a;
            color: #0b0f1a;
            transform: translateY(-2px);
            box-shadow: 0 6px 26px rgba(245, 166, 35, 0.45);
        }

        .btn-lg {
            padding: 15px 36px;
            font-size: 17px;
        }

        .badge-custom {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 12px;
            font-weight: 600;
            background: var(--primary-soft);
            color: var(--primary-bright);
            border: 1px solid rgba(79, 140, 255, 0.3);
            padding: 4px 12px;
            border-radius: 999px;
            letter-spacing: 0.3px;
        }

        .badge-accent {
            background: var(--accent-soft);
            color: var(--accent);
            border-color: rgba(245, 166, 35, 0.3);
        }

        /* Header / Nav */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 15, 26, 0.72);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(11, 15, 26, 0.92);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.35);
        }

        .navbar {
            padding-top: 14px;
            padding-bottom: 14px;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.2px;
            color: var(--text-main);
        }

        .navbar-brand .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), #2563eb);
            color: #fff;
            font-size: 16px;
            box-shadow: 0 4px 14px rgba(79, 140, 255, 0.35);
        }

        .navbar-brand:hover {
            color: var(--text-main);
        }

        .navbar-nav {
            gap: 4px;
        }

        .nav-link {
            font-weight: 500;
            font-size: 15px;
            color: var(--text-secondary) !important;
            border-radius: 10px;
            padding: 8px 16px !important;
            transition: all 0.22s ease;
        }

        .nav-link:hover {
            color: var(--text-main) !important;
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-link.active {
            color: var(--primary-bright) !important;
            background: var(--primary-soft);
        }

        .navbar-cta {
            margin-left: 12px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .navbar-cta .btn {
            padding: 9px 22px;
            font-size: 15px;
        }

        .navbar-toggler {
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 8px 12px;
            background: rgba(255, 255, 255, 0.04);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(79, 140, 255, 0.3);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3e%3cpath stroke='rgba(255,255,255,0.8)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
            width: 22px;
            height: 22px;
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            padding: 140px 0 80px;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg,
                rgba(11, 15, 26, 0.96) 0%,
                rgba(11, 15, 26, 0.88) 45%,
                rgba(11, 15, 26, 0.55) 100%);
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-dark), transparent);
        }

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

        .hero-content {
            max-width: 680px;
        }

        .hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(79, 140, 255, 0.15);
            border: 1px solid rgba(79, 140, 255, 0.3);
            color: var(--primary-bright);
            font-size: 14px;
            font-weight: 600;
            padding: 7px 18px;
            border-radius: 999px;
            margin-bottom: 24px;
            letter-spacing: 0.4px;
        }

        .hero h1 {
            font-size: clamp(34px, 5.5vw, 60px);
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -1px;
            margin-bottom: 20px;
            color: #fff;
        }

        .hero h1 .gradient-text {
            background: linear-gradient(120deg, var(--primary-bright), var(--accent));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero .lead {
            font-size: 18px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 32px;
        }

        .hero .lead strong {
            color: var(--text-main);
            font-weight: 600;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 48px;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 36px;
            padding-top: 28px;
            border-top: 1px solid var(--border);
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
        }

        .hero-stat .stat-num {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            line-height: 1.2;
        }

        .hero-stat .stat-num span {
            color: var(--primary-bright);
        }

        .hero-stat .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* Feature cards */
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 40px 28px 32px;
            height: 100%;
            transition: all 0.3s 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), transparent);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .feature-card:hover {
            transform: translateY(-6px);
            border-color: rgba(79, 140, 255, 0.3);
            box-shadow: var(--shadow-lg);
        }

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

        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-soft);
            color: var(--primary-bright);
            font-size: 22px;
            margin-bottom: 20px;
        }

        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-main);
        }

        .feature-card p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .feature-card .feature-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-bright);
        }

        .feature-card .feature-link:hover {
            gap: 10px;
        }

        /* Category cards */
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border);
            transition: all 0.3s ease;
            display: block;
            height: 100%;
            min-height: 420px;
        }

        .category-card:hover {
            border-color: rgba(79, 140, 255, 0.35);
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
        }

        .category-card .category-image {
            height: 220px;
            overflow: hidden;
            position: relative;
        }

        .category-card .category-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .category-card .category-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(11, 15, 26, 0.25), transparent);
        }

        .category-body {
            padding: 24px 24px 28px;
        }

        .category-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .category-body p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.7;
            margin-bottom: 18px;
        }

        .category-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .category-meta .btn-sm-custom {
            padding: 8px 18px;
            font-size: 14px;
            border-radius: 10px;
            background: var(--primary-soft);
            color: var(--primary-bright);
            border: 1px solid rgba(79, 140, 255, 0.25);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .category-meta .btn-sm-custom:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .category-meta .articles-count {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* News / List */
        .news-section {
            background: var(--bg-panel);
        }

        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            margin-bottom: 16px;
            transition: all 0.25s ease;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .news-card:hover {
            border-color: rgba(79, 140, 255, 0.35);
            background: var(--bg-elevated);
            transform: translateX(4px);
            box-shadow: var(--shadow-md);
        }

        .news-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .news-card p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.65;
            margin-bottom: 10px;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .news-meta .badge-custom {
            font-size: 11px;
        }

        .news-meta time {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .no-data {
            text-align: center;
            color: var(--text-muted);
            padding: 48px 24px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-light);
            font-size: 16px;
        }

        /* Steps / Process */
        .step-card {
            position: relative;
            text-align: center;
            padding: 36px 20px 28px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            height: 100%;
            transition: all 0.3s ease;
        }

        .step-card:hover {
            border-color: rgba(79, 140, 255, 0.3);
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary-soft);
            color: var(--primary-bright);
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 20px;
            border: 2px solid rgba(79, 140, 255, 0.3);
        }

        .step-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .step-card p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.65;
            margin-bottom: 0;
        }

        .step-connector {
            position: absolute;
            top: 50%;
            right: -28px;
            color: var(--text-muted);
            font-size: 20px;
            transform: translateY(-50%);
            z-index: 2;
        }

        /* Featured / curated wall */
        .featured-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .featured-item:hover {
            border-color: rgba(79, 140, 255, 0.35);
            box-shadow: var(--shadow-lg);
            transform: translateY(-5px);
        }

        .featured-thumb {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

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

        .featured-item:hover .featured-thumb img {
            transform: scale(1.05);
        }

        .featured-thumb .play-btn {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.9);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0b0f1a;
            font-size: 18px;
            opacity: 0;
            transition: opacity 0.3s ease, transform 0.3s ease;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

        .featured-item:hover .play-btn {
            opacity: 1;
            transform: translate(-50%, -50%) scale(1);
        }

        .featured-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .featured-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .featured-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            flex: 1;
            margin-bottom: 14px;
        }

        .featured-body .featured-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .featured-body .featured-tag {
            font-size: 12px;
            color: var(--primary-bright);
            background: var(--primary-soft);
            padding: 3px 10px;
            border-radius: 999px;
            font-weight: 600;
        }

        .featured-body .featured-more {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .featured-body .featured-more:hover {
            color: var(--primary-bright);
        }

        /* FAQ */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border) !important;
            border-radius: var(--radius-md) !important;
            margin-bottom: 14px;
            overflow: hidden;
        }

        .accordion-button {
            background: var(--bg-card);
            color: var(--text-main);
            font-size: 16px;
            font-weight: 600;
            padding: 20px 24px;
            border: none;
            box-shadow: none;
            border-radius: var(--radius-md) !important;
            transition: all 0.25s ease;
        }

        .accordion-button:not(.collapsed) {
            background: var(--bg-elevated);
            color: var(--primary-bright);
        }

        .accordion-button:focus {
            box-shadow: none;
            border-color: rgba(79, 140, 255, 0.3);
        }

        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2394a3b8'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
            background-size: 14px 14px;
        }

        .accordion-button:not(.collapsed)::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%234f8cff'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
        }

        .accordion-body {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.75;
            padding: 0 24px 24px;
            background: var(--bg-card);
        }

        /* CTA */
        .cta-section {
            position: relative;
            padding: 100px 0;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 15, 26, 0.95) 30%, rgba(79, 140, 255, 0.55) 100%);
        }

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

        .cta-content h2 {
            font-size: clamp(26px, 4vw, 42px);
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .cta-content p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .cta-content .cta-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            font-size: 13px;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 20px;
        }

        /* Footer */
        .site-footer {
            background: #080c14;
            padding: 70px 0 0;
            border-top: 1px solid var(--border);
        }

        .footer-brand {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-brand .brand-icon {
            width: 32px;
            height: 32px;
            border-radius: 9px;
            background: linear-gradient(135deg, var(--primary), #2563eb);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 14px;
        }

        .footer-desc {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 320px;
        }

        .footer-info {
            list-style: none;
            padding: 0;
            margin: 0 0 30px;
        }

        .footer-info li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 10px;
        }

        .footer-info li i {
            width: 16px;
            color: var(--primary);
        }

        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }

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

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

        .footer-links a {
            color: var(--text-muted);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all 0.2s ease;
        }

        .footer-links a:hover {
            color: var(--primary-bright);
            padding-left: 4px;
        }

        .footer-bottom {
            margin-top: 40px;
            padding: 22px 0;
            border-top: 1px solid var(--border);
            text-align: center;
        }

        .footer-bottom p {
            margin: 0;
            color: var(--text-muted);
            font-size: 13px;
        }

        .footer-bottom a {
            color: var(--text-secondary);
        }

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

        /* Responsive */
        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: rgba(11, 15, 26, 0.98);
                border: 1px solid var(--border);
                border-radius: 14px;
                padding: 16px;
                margin-top: 10px;
            }

            .navbar-nav {
                gap: 2px;
            }

            .navbar-cta {
                margin-left: 0;
                margin-top: 14px;
                width: 100%;
                display: flex;
                gap: 10px;
            }

            .navbar-cta .btn {
                flex: 1;
                justify-content: center;
            }

            .section {
                padding: 64px 0;
            }

            .hero {
                min-height: auto;
                padding: 130px 0 60px;
            }

            .hero-stats {
                gap: 24px;
            }

            .step-connector {
                display: none;
            }
        }

        @media (max-width: 767.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .section {
                padding: 52px 0;
            }

            .section-head {
                margin-bottom: 36px;
            }

            .hero {
                padding: 110px 0 48px;
            }

            .hero h1 {
                font-size: 32px;
            }

            .hero .lead {
                font-size: 16px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-actions .btn {
                justify-content: center;
            }

            .hero-stats {
                gap: 18px;
                flex-direction: column;
            }

            .feature-card {
                padding: 28px 22px;
            }

            .category-card {
                min-height: auto;
            }

            .news-card {
                padding: 20px;
            }

            .footer-title {
                margin-top: 16px;
            }
        }

        @media (max-width: 575.98px) {
            .hero h1 {
                font-size: 28px;
            }

            .hero-actions .btn-lg {
                font-size: 15px;
                padding: 13px 24px;
            }

            .section-head h2 {
                font-size: 26px;
            }

            .accordion-button {
                padding: 16px 18px;
                font-size: 15px;
            }
        }

/* roulang page: article */
:root {
            --primary: #0d1b2a;
            --primary-light: #16283c;
            --primary-soft: rgba(13, 27, 42, .06);
            --accent: #e8a33d;
            --accent-dark: #d18a22;
            --accent-soft: rgba(232, 163, 61, .14);
            --body-bg: #f4f6f9;
            --surface: #ffffff;
            --text-title: #0f172a;
            --text-body: #1e293b;
            --text-muted: #64748b;
            --text-invert: #e9edf2;
            --border: rgba(15, 23, 42, .08);
            --border-dark: rgba(255, 255, 255, .10);
            --radius: 18px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 10px rgba(13, 27, 42, .05);
            --shadow-md: 0 10px 30px rgba(13, 27, 42, .10);
            --shadow-lg: 0 24px 60px rgba(13, 27, 42, .16);
            --transition: all .3s cubic-bezier(.4, 0, .2, 1);
            --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Roboto", "Helvetica Neue", Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-main);
            background-color: var(--body-bg);
            color: var(--text-body);
            line-height: 1.75;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
        }

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

        a:hover {
            color: var(--accent-dark);
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }

        h1, h2, h3, h4, h5, h6 {
            color: var(--text-title);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
            margin-top: 0;
        }

        p {
            margin-top: 0;
        }

        ul, ol {
            padding-left: 1.2rem;
        }

        .container {
            max-width: 1200px;
        }

        :focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

        /* ========== 按钮系统 ========== */
        .btn {
            border-radius: var(--radius-sm);
            font-weight: 600;
            padding: .70rem 1.5rem;
            transition: var(--transition);
            letter-spacing: .02em;
        }

        .btn-lg {
            padding: .9rem 2rem;
            border-radius: 14px;
            font-size: 1.05rem;
        }

        .btn-accent {
            background: var(--accent);
            color: #0d1b2a;
            border: 1px solid var(--accent);
        }

        .btn-accent:hover,
        .btn-accent:focus {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #0d1b2a;
            transform: translateY(-3px);
            box-shadow: 0 12px 28px rgba(232, 163, 61, .30);
        }

        .btn-outline-light {
            border: 1px solid rgba(255, 255, 255, .45);
            color: #fff;
            background: transparent;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-3px);
        }

        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
            border: 1px solid var(--primary);
        }

        .btn-primary-custom:hover {
            background: var(--primary-light);
            border-color: var(--primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(13, 27, 42, .20);
        }

        .btn-outline-custom {
            border: 1px solid var(--border);
            color: var(--text-body);
            background: transparent;
        }

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

        /* ========== 徽章 / 标签 ========== */
        .badge-custom {
            display: inline-flex;
            align-items: center;
            gap: .4rem;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .16);
            border-radius: 40px;
            padding: .35rem .9rem;
            font-size: .82rem;
            font-weight: 500;
            color: var(--text-invert);
            backdrop-filter: blur(8px);
        }

        .badge-custom i {
            color: var(--accent);
        }

        .category-badge {
            display: inline-flex;
            align-items: center;
            gap: .4rem;
            background: var(--accent);
            color: #0d1b2a;
            font-size: .8rem;
            font-weight: 700;
            padding: .32rem 1rem;
            border-radius: 40px;
            letter-spacing: .03em;
            box-shadow: 0 4px 14px rgba(232, 163, 61, .25);
        }

        .section-tag {
            display: inline-block;
            background: var(--accent-soft);
            color: var(--accent-dark);
            font-size: .82rem;
            font-weight: 700;
            padding: .32rem 1rem;
            border-radius: 40px;
            letter-spacing: .05em;
            margin-bottom: .8rem;
        }

        /* ========== 顶部导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(13, 27, 42, .94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, .07);
            box-shadow: 0 4px 30px rgba(0, 0, 0, .18);
        }

        .site-header .navbar {
            padding: .9rem 0;
            flex-wrap: nowrap;
        }

        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: .6rem;
            font-size: 1.22rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: .02em;
        }

        .navbar-brand:hover {
            color: var(--accent);
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent), #f6c569);
            color: #0d1b2a;
            border-radius: 12px;
            font-size: 1rem;
            box-shadow: 0 6px 16px rgba(232, 163, 61, .35);
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, .25);
            border-radius: var(--radius-sm);
            padding: .4rem .65rem;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 4px rgba(232, 163, 61, .20);
        }

        .navbar-toggler-icon {
            filter: invert(1);
            width: 1.3em;
            height: 1.3em;
        }

        .navbar-collapse {
            gap: 1rem;
        }

        .navbar-nav {
            gap: .35rem;
            align-items: center;
        }

        .nav-link {
            color: rgba(255, 255, 255, .80);
            font-weight: 500;
            font-size: .98rem;
            padding: .58rem 1rem;
            border-radius: 8px;
            position: relative;
        }

        .nav-link:hover,
        .nav-link:focus {
            color: var(--accent);
        }

        .nav-link.active {
            color: var(--accent);
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }

        .navbar-cta {
            margin-left: .8rem;
            flex-shrink: 0;
        }

        .navbar-cta .btn {
            padding: .58rem 1.25rem;
            font-size: .92rem;
            white-space: nowrap;
        }

        /* ========== 文章横幅 ========== */
        .article-banner {
            position: relative;
            background: var(--primary);
            padding: 8.2rem 0 4.2rem;
            overflow: hidden;
            color: #fff;
            isolation: isolate;
        }

        .article-banner .banner-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            z-index: -2;
        }

        .article-banner .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(13, 27, 42, .96) 0%, rgba(13, 27, 42, .82) 45%, rgba(22, 40, 60, .72) 100%);
            z-index: -1;
        }

        .article-banner::after {
            content: "";
            position: absolute;
            right: -8%;
            top: -30%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(232, 163, 61, .20) 0%, transparent 65%);
            z-index: -1;
            pointer-events: none;
        }

        .article-breadcrumb {
            margin-bottom: 1.4rem;
        }

        .article-breadcrumb .breadcrumb {
            margin: 0;
        }

        .article-breadcrumb .breadcrumb-item a {
            color: rgba(255, 255, 255, .70);
        }

        .article-breadcrumb .breadcrumb-item a:hover {
            color: var(--accent);
        }

        .article-breadcrumb .breadcrumb-item.active {
            color: rgba(255, 255, 255, .55);
        }

        .article-breadcrumb .breadcrumb-item + .breadcrumb-item::before {
            color: rgba(255, 255, 255, .35);
        }

        .article-banner .category-badge {
            margin-bottom: 1.1rem;
        }

        .article-banner h1 {
            color: #fff;
            font-size: clamp(1.7rem, 4.2vw, 2.9rem);
            font-weight: 800;
            line-height: 1.25;
            max-width: 860px;
            margin-bottom: 1.2rem;
            text-shadow: 0 2px 20px rgba(0, 0, 0, .28);
        }

        .article-banner .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            color: rgba(255, 255, 255, .75);
            font-size: .92rem;
            margin-top: .2rem;
        }

        .article-banner .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: .45rem;
        }

        .article-banner .article-meta i {
            color: var(--accent);
        }

        /* ========== 文章正文区域 ========== */
        .article-section {
            padding: 3.5rem 0 4.5rem;
            background: var(--body-bg);
        }

        .article-card {
            background: var(--surface);
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
            padding: clamp(1.5rem, 4vw, 2.8rem);
            margin-top: -2.8rem;
            border: 1px solid rgba(15, 23, 42, .04);
        }

        .article-summary {
            background: var(--primary-soft);
            border-left: 4px solid var(--accent);
            border-radius: 12px;
            padding: 1.1rem 1.3rem;
            font-size: 1.03rem;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 2rem;
        }

        .article-content-wrap {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-body);
            overflow-wrap: break-word;
            word-break: break-word;
        }

        .article-content-wrap > p:first-child::first-letter {
            font-size: 1.15em;
            color: var(--text-title);
        }

        .article-content-wrap h2,
        .article-content-wrap h3,
        .article-content-wrap h4 {
            margin-top: 2.2rem;
            margin-bottom: 1rem;
            font-weight: 700;
        }

        .article-content-wrap h2 {
            font-size: 1.55rem;
            border-bottom: 1px solid var(--border);
            padding-bottom: .6rem;
        }

        .article-content-wrap h3 {
            font-size: 1.28rem;
        }

        .article-content-wrap p {
            margin-bottom: 1.2rem;
        }

        .article-content-wrap ul,
        .article-content-wrap ol {
            margin-bottom: 1.2rem;
        }

        .article-content-wrap li {
            margin-bottom: .4rem;
        }

        .article-content-wrap img {
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
            margin: 1.6rem auto;
        }

        .article-content-wrap blockquote {
            border-left: 4px solid var(--accent);
            background: #f8fafc;
            padding: 1rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.6rem 0;
            color: var(--text-muted);
        }

        .article-content-wrap blockquote p:last-child {
            margin-bottom: 0;
        }

        .article-content-wrap table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.6rem 0;
            font-size: .96rem;
        }

        .article-content-wrap table th,
        .article-content-wrap table td {
            border: 1px solid var(--border);
            padding: .7rem 1rem;
            text-align: left;
        }

        .article-content-wrap table th {
            background: var(--primary-soft);
            font-weight: 600;
        }

        .article-footer-tools {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            margin-top: 2.5rem;
            padding-top: 1.8rem;
            border-top: 1px solid var(--border);
        }

        .article-footer-tools .btn {
            margin-right: .5rem;
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: .5rem;
        }

        .article-tags .tag {
            background: var(--primary-soft);
            color: var(--text-muted);
            border-radius: 40px;
            font-size: .8rem;
            font-weight: 500;
            padding: .3rem .85rem;
        }

        .article-tags .tag i {
            color: var(--accent-dark);
            margin-right: .3rem;
        }

        /* 文章未找到 */
        .article-notfound {
            text-align: center;
            padding: 4rem 1rem;
        }

        .article-notfound .notfound-icon {
            width: 96px;
            height: 96px;
            border-radius: 50%;
            background: var(--accent-soft);
            color: var(--accent-dark);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 2.4rem;
            margin-bottom: 1.6rem;
        }

        .article-notfound h2 {
            font-size: 2rem;
            margin-bottom: .8rem;
        }

        .article-notfound p {
            color: var(--text-muted);
            margin-bottom: 1.8rem;
        }

        .article-notfound .btn {
            margin: 0 .4rem;
        }

        /* ========== 三步流程 ========== */
        .steps-section {
            padding: 4.5rem 0;
            background: var(--surface);
            border-top: 1px solid var(--border);
        }

        .section-header {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 2.6rem;
        }

        .section-header .section-tag {
            margin-bottom: .6rem;
        }

        .section-header h2 {
            font-size: clamp(1.6rem, 3.2vw, 2.3rem);
            font-weight: 800;
            margin-bottom: .7rem;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: .98rem;
        }

        .step-card {
            background: var(--body-bg);
            border-radius: var(--radius);
            padding: 2rem 1.6rem;
            height: 100%;
            border: 1px solid var(--border);
            transition: var(--transition);
            position: relative;
        }

        .step-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-5px);
            border-color: rgba(232, 163, 61, .35);
        }

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            background: var(--primary);
            color: var(--accent);
            border-radius: 14px;
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 1.2rem;
        }

        .step-card h3 {
            font-size: 1.18rem;
            margin-bottom: .6rem;
        }

        .step-card p {
            color: var(--text-muted);
            font-size: .93rem;
            margin-bottom: 0;
        }

        /* ========== 继续阅读分类卡片 ========== */
        .rel-section {
            padding: 4.5rem 0;
            background: var(--body-bg);
        }

        .rel-card {
            display: block;
            background: var(--surface);
            border-radius: var(--radius);
            overflow: hidden;
            height: 100%;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(15, 23, 42, .05);
            transition: var(--transition);
        }

        .rel-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
        }

        .rel-card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--primary);
        }

        .rel-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

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

        .rel-card-body {
            padding: 1.4rem 1.5rem 1.6rem;
        }

        .rel-tag {
            display: inline-block;
            background: var(--accent-soft);
            color: var(--accent-dark);
            font-size: .78rem;
            font-weight: 700;
            padding: .2rem .8rem;
            border-radius: 40px;
            margin-bottom: .7rem;
        }

        .rel-card h3 {
            font-size: 1.18rem;
            font-weight: 700;
            margin-bottom: .45rem;
            transition: var(--transition);
        }

        .rel-card:hover h3 {
            color: var(--accent-dark);
        }

        .rel-card p {
            color: var(--text-muted);
            font-size: .92rem;
            margin-bottom: 0;
        }

        .rel-more {
            text-align: center;
            margin-top: 2.4rem;
        }

        /* ========== CTA 区块 ========== */
        .cta-section {
            position: relative;
            padding: 5.5rem 0;
            background: var(--primary);
            text-align: center;
            overflow: hidden;
            isolation: isolate;
        }

        .cta-section .cta-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            z-index: -2;
        }

        .cta-section .cta-bg::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 27, 42, .94), rgba(13, 27, 42, .84) 60%, rgba(22, 40, 60, .88));
        }

        .cta-section h2 {
            color: #fff;
            font-size: clamp(1.7rem, 3.6vw, 2.6rem);
            font-weight: 800;
            margin-bottom: .8rem;
        }

        .cta-section p {
            color: rgba(255, 255, 255, .78);
            font-size: 1rem;
            max-width: 560px;
            margin: 0 auto 2rem;
        }

        .cta-section .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: .9rem;
            margin-bottom: 2.2rem;
        }

        .cta-points {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1.4rem;
            padding: 0;
            margin: 0;
        }

        .cta-points li {
            display: inline-flex;
            align-items: center;
            gap: .45rem;
            color: rgba(255, 255, 255, .86);
            font-size: .9rem;
        }

        .cta-points i {
            color: var(--accent);
            font-size: 1.05rem;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #0a1620;
            color: rgba(255, 255, 255, .70);
            padding: 4.5rem 0 0;
            border-top: 1px solid rgba(255, 255, 255, .06);
        }

        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: .6rem;
            color: #fff;
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: 1rem;
        }

        .footer-brand .brand-icon {
            width: 42px;
            height: 42px;
            font-size: 1.1rem;
        }

        .footer-desc {
            color: rgba(255, 255, 255, .58);
            font-size: .92rem;
            line-height: 1.8;
        }

        .footer-info {
            list-style: none;
            padding: 0;
            margin: 1.2rem 0 0;
        }

        .footer-info li {
            display: flex;
            align-items: center;
            gap: .6rem;
            font-size: .92rem;
            margin-bottom: .6rem;
            color: rgba(255, 255, 255, .60);
        }

        .footer-info i {
            color: var(--accent);
            width: 18px;
            text-align: center;
        }

        .footer-title {
            color: #fff;
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 1.2rem;
        }

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

        .footer-links li {
            margin-bottom: .65rem;
        }

        .footer-links a {
            color: rgba(255, 255, 255, .62);
            font-size: .92rem;
            display: inline-flex;
            align-items: center;
            gap: .35rem;
        }

        .footer-links a i {
            font-size: .72rem;
            color: var(--accent);
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .07);
            padding: 1.4rem 0;
            margin-top: 3rem;
            text-align: center;
            color: rgba(255, 255, 255, .42);
            font-size: .86rem;
        }

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

        /* ========== 响应式 ========== */
        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: rgba(13, 27, 42, .97);
                padding: 1.2rem;
                border-radius: var(--radius);
                margin-top: .8rem;
                box-shadow: var(--shadow-lg);
            }

            .navbar-nav {
                gap: .3rem;
            }

            .navbar-cta {
                margin: .7rem 0 0;
            }

            .nav-link.active::after {
                display: none;
            }
        }

        @media (max-width: 767.98px) {
            .article-banner {
                padding: 7.2rem 0 4rem;
            }

            .article-card {
                padding: 1.3rem;
            }

            .article-footer-tools {
                flex-direction: column;
                align-items: flex-start;
            }

            .cta-section {
                padding: 4rem 0;
            }

            .cta-points {
                gap: .8rem;
                flex-direction: column;
                align-items: center;
            }

            .site-footer {
                padding-top: 3rem;
            }
        }

        @media (max-width: 575.98px) {
            .article-banner h1 {
                font-size: 1.5rem;
            }

            .article-meta {
                gap: .8rem;
                flex-wrap: wrap;
            }

            .article-section {
                padding: 2.5rem 0 3.5rem;
            }

            .article-card {
                margin-top: -1.8rem;
                border-radius: 14px;
            }

            .article-summary {
                padding: .9rem 1rem;
                font-size: .96rem;
            }

            .article-content-wrap {
                font-size: 1rem;
                line-height: 1.85;
            }

            .step-card {
                padding: 1.5rem 1.2rem;
            }

            .rel-card-body {
                padding: 1.1rem 1.2rem 1.3rem;
            }

            .btn-lg {
                padding: .75rem 1.5rem;
                font-size: .98rem;
            }
        }

/* roulang page: category1 */
:root{
  --primary:#6c5ce7;
  --primary-dark:#5a4bd1;
  --accent:#00d2d3;
  --bg-dark:#0a0f1e;
  --bg-elevated:#0f1628;
  --bg-card:rgba(255,255,255,.04);
  --bg-card-hover:rgba(255,255,255,.07);
  --border:rgba(255,255,255,.08);
  --border-hover:rgba(0,210,211,.4);
  --text-light:#eef2f8;
  --text-muted:#9aa7bd;
  --text-dim:#6b7a92;
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:24px;
  --shadow-sm:0 4px 14px rgba(0,0,0,.2);
  --shadow-md:0 12px 30px rgba(0,0,0,.3);
  --shadow-lg:0 20px 50px rgba(0,0,0,.4);
  --gradient-primary:linear-gradient(135deg,#6c5ce7,#00d2d3);
  --font-main:system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --transition:all .35s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-main);background:var(--bg-dark);color:var(--text-light);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:var(--transition)}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit}
.container{max-width:1240px}
/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:1050;
  background:rgba(10,15,30,.82);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--border);
}
.site-header .navbar{padding:14px 0}
.navbar-brand{
  display:flex;align-items:center;gap:10px;
  font-weight:700;font-size:1.28rem;color:var(--text-light);letter-spacing:.3px;
}
.navbar-brand:hover{color:var(--text-light)}
.brand-icon{
  width:40px;height:40px;flex-shrink:0;
  border-radius:12px;
  background:var(--gradient-primary);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:1.05rem;
  box-shadow:0 4px 18px rgba(108,92,231,.45);
}
.navbar-nav{gap:2px}
.navbar-nav .nav-link{
  color:var(--text-muted);font-weight:500;
  padding:8px 18px !important;border-radius:50px;
  transition:var(--transition);position:relative;font-size:.95rem;
}
.navbar-nav .nav-link:hover{color:var(--text-light);background:rgba(255,255,255,.06)}
.navbar-nav .nav-link.active{
  color:#fff;
  background:linear-gradient(135deg,rgba(108,92,231,.28),rgba(0,210,211,.18));
  border:1px solid rgba(108,92,231,.35);
}
.navbar-cta{margin-left:18px}
.navbar-toggler{
  border:1px solid rgba(255,255,255,.25);
  border-radius:10px;padding:6px 10px;
  background:rgba(255,255,255,.05);
}
.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(108,92,231,.3)}
.navbar-toggler-icon{
  background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(238,242,248,1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
/* ===== Buttons ===== */
.btn-accent{
  background:var(--gradient-primary);border:none;color:#fff;
  border-radius:50px;padding:10px 26px;font-weight:600;font-size:.95rem;
  box-shadow:0 4px 20px rgba(108,92,231,.35);
  transition:var(--transition);display:inline-flex;align-items:center;gap:8px;
}
.btn-accent:hover,.btn-accent:focus{
  color:#fff;transform:translateY(-2px);
  box-shadow:0 8px 30px rgba(108,92,231,.5);
  filter:brightness(1.06);
}
.btn-outline-light-custom{
  background:transparent;border:1px solid rgba(255,255,255,.3);color:var(--text-light);
  border-radius:50px;padding:10px 26px;font-weight:600;font-size:.95rem;
  transition:var(--transition);display:inline-flex;align-items:center;gap:8px;
}
.btn-outline-light-custom:hover,.btn-outline-light-custom:focus{
  border-color:var(--accent);color:var(--accent);transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(0,210,211,.18);
}
/* ===== Hero / Banner ===== */
.category-hero{
  position:relative;
  padding:120px 0 110px;
  background-size:cover;background-position:center;
  overflow:hidden;
}
.category-hero::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,15,30,.86),rgba(10,15,30,.55) 50%,rgba(10,15,30,.9));
  z-index:1;
}
.category-hero .container{position:relative;z-index:2}
.hero-breadcrumb{
  display:flex;align-items:center;gap:10px;
  color:var(--text-muted);font-size:.85rem;margin-bottom:22px;
  flex-wrap:wrap;
}
.hero-breadcrumb a{color:var(--text-muted)}
.hero-breadcrumb a:hover{color:var(--accent)}
.hero-breadcrumb i{font-size:.7rem;color:var(--text-dim)}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(108,92,231,.18);
  border:1px solid rgba(108,92,231,.4);
  color:#c9c1ff;padding:6px 18px;border-radius:50px;
  font-size:.82rem;font-weight:600;letter-spacing:.5px;margin-bottom:20px;
}
.category-hero h1{
  font-size:clamp(2rem,4.5vw,3.2rem);
  font-weight:700;line-height:1.15;letter-spacing:-1px;
  color:#fff;margin-bottom:18px;
}
.category-hero h1 span{
  background:linear-gradient(135deg,#a99aff,#00d2d3);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.category-hero .lead{
  color:var(--text-muted);font-size:1.1rem;max-width:680px;
  line-height:1.9;margin-bottom:36px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
  margin-top:52px;max-width:720px;
}
.hero-stat{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius-md);
  padding:20px 18px;backdrop-filter:blur(10px);
  transition:var(--transition);
}
.hero-stat:hover{background:rgba(255,255,255,.08);transform:translateY(-3px)}
.hero-stat .stat-icon{color:var(--accent);font-size:1.2rem;margin-bottom:6px}
.hero-stat .stat-number{font-size:1.7rem;font-weight:700;color:#fff;line-height:1.2}
.hero-stat .stat-label{color:var(--text-muted);font-size:.85rem;margin-top:2px}
/* ===== Sections ===== */
.site-section{padding:100px 0}
.section-alt{background:var(--bg-elevated);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-head{text-align:center;max-width:720px;margin:0 auto 56px}
.section-tag{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(108,92,231,.15);
  border:1px solid rgba(108,92,231,.3);
  color:var(--accent);padding:5px 16px;border-radius:50px;
  font-size:.78rem;font-weight:600;letter-spacing:1px;text-transform:uppercase;margin-bottom:16px;
}
.section-title{font-size:clamp(1.7rem,3vw,2.5rem);font-weight:700;line-height:1.25;letter-spacing:-.5px;color:var(--text-light);margin-bottom:14px}
.section-desc{color:var(--text-muted);font-size:1rem;line-height:1.85}
/* ===== Process Steps ===== */
.step-card{
  height:100%;position:relative;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:34px 26px 30px;
  transition:var(--transition);
  overflow:hidden;
}
.step-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--gradient-primary);opacity:0;transition:var(--transition);
}
.step-card:hover{transform:translateY(-6px);background:var(--bg-card-hover);box-shadow:var(--shadow-md);border-color:var(--border-hover)}
.step-card:hover::before{opacity:1}
.step-number{
  width:48px;height:48px;border-radius:14px;
  background:var(--gradient-primary);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:1.15rem;font-weight:700;
  box-shadow:0 6px 18px rgba(108,92,231,.4);margin-bottom:20px;
}
.step-card h3{font-size:1.12rem;font-weight:600;color:var(--text-light);margin-bottom:10px}
.step-card p{color:var(--text-muted);font-size:.92rem;line-height:1.75;margin:0}
.step-arrow{
  position:absolute;right:18px;top:40px;
  color:var(--text-dim);font-size:.9rem;
}
/* ===== Prepare / Checklist ===== */
.prep-image-wrap{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-lg);
}
.prep-image-wrap img{width:100%;height:100%;object-fit:cover;min-height:340px;transition:transform .5s ease}
.prep-image-wrap:hover img{transform:scale(1.03)}
.prep-image-wrap::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 60%,rgba(10,15,30,.7));
}
.prep-card{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:22px 20px;
  height:100%;transition:var(--transition);
}
.prep-card:hover{
  background:var(--bg-card-hover);
  border-color:var(--border-hover);
  transform:translateY(-4px);
  box-shadow:var(--shadow-sm);
}
.prep-icon{
  width:44px;height:44px;flex-shrink:0;
  border-radius:12px;
  background:rgba(108,92,231,.16);
  border:1px solid rgba(108,92,231,.28);
  color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-size:1.1rem;
}
.prep-card h4{font-size:1rem;font-weight:600;color:var(--text-light);margin-bottom:6px}
.prep-card p{color:var(--text-muted);font-size:.85rem;line-height:1.7;margin:0}
/* ===== Method Cards ===== */
.method-card{
  height:100%;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:24px;
  transition:var(--transition);
  overflow:hidden;
}
.method-card:hover{
  background:var(--bg-card-hover);
  transform:translateY(-6px);
  border-color:var(--border-hover);
  box-shadow:var(--shadow-md);
}
.method-image{
  border-radius:var(--radius-md);overflow:hidden;margin-bottom:20px;position:relative;
}
.method-image img{width:100%;height:170px;object-fit:cover;transition:transform .5s ease}
.method-card:hover .method-image img{transform:scale(1.05)}
.method-badge{
  position:absolute;top:12px;left:12px;z-index:2;
  background:rgba(10,15,30,.75);
  backdrop-filter:blur(8px);
  color:#fff;font-size:.74rem;font-weight:600;
  padding:4px 12px;border-radius:50px;
  border:1px solid rgba(255,255,255,.2);
}
.method-card h3{font-size:1.1rem;font-weight:600;color:var(--text-light);margin-bottom:10px}
.method-card p{color:var(--text-muted);font-size:.9rem;line-height:1.75;margin-bottom:18px}
.method-link{
  color:var(--accent);font-size:.88rem;font-weight:600;
  display:inline-flex;align-items:center;gap:6px;
}
.method-link:hover{color:#fff;gap:10px}
/* ===== Notice ===== */
.notice-list{margin-top:10px}
.notice-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:18px 0;border-bottom:1px solid var(--border);
  transition:padding .3s;
}
.notice-list li:last-child{border-bottom:none}
.notice-list li:hover{padding-left:6px}
.notice-icon{
  width:34px;height:34px;flex-shrink:0;border-radius:10px;
  background:rgba(0,210,211,.14);
  border:1px solid rgba(0,210,211,.3);
  color:var(--accent);font-size:.85rem;
  display:flex;align-items:center;justify-content:center;margin-top:2px;
}
.notice-list h4{font-size:1rem;font-weight:600;color:var(--text-light);margin-bottom:4px}
.notice-list p{color:var(--text-muted);font-size:.88rem;line-height:1.7;margin:0}
.notice-img-wrap{
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);position:relative;
}
.notice-img-wrap img{width:100%;height:100%;min-height:360px;object-fit:cover;transition:transform .5s ease}
.notice-img-wrap:hover img{transform:scale(1.04)}
.notice-img-wrap::after{
  content:'';position:absolute;inset:0;
  border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-lg);
}
/* ===== FAQ ===== */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-wrap .accordion-item{
  background:var(--bg-card);
  border:1px solid var(--border) !important;
  border-radius:var(--radius-md) !important;
  margin-bottom:14px;
  overflow:hidden;
  transition:var(--transition);
}
.faq-wrap .accordion-item:hover{border-color:rgba(108,92,231,.4) !important}
.faq-wrap .accordion-button{
  background:transparent;color:var(--text-light);
  font-weight:600;font-size:1rem;
  padding:20px 24px;
  box-shadow:none !important;
  border-radius:var(--radius-md) !important;
}
.faq-wrap .accordion-button:not(.collapsed){
  background:rgba(108,92,231,.12);
  color:#fff;
  border-radius:var(--radius-md) var(--radius-md) 0 0 !important;
}
.faq-wrap .accordion-button::after{
  filter:brightness(0) invert(1);
  opacity:.7;
}
.faq-wrap .accordion-body{
  color:var(--text-muted);
  padding:6px 24px 24px;
  font-size:.95rem;line-height:1.85;
  border-top:1px solid rgba(255,255,255,.05);
  padding-top:16px;
}
/* ===== News Cards ===== */
.news-card{
  height:100%;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:var(--transition);
  display:flex;flex-direction:column;
}
.news-card:hover{
  transform:translateY(-6px);
  background:var(--bg-card-hover);
  border-color:var(--border-hover);
  box-shadow:var(--shadow-md);
}
.news-image{overflow:hidden;position:relative}
.news-image img{width:100%;height:200px;object-fit:cover;transition:transform .5s ease}
.news-card:hover .news-image img{transform:scale(1.05)}
.news-cat{
  position:absolute;top:14px;left:14px;z-index:2;
  background:var(--gradient-primary);
  color:#fff;font-size:.74rem;font-weight:600;
  padding:4px 14px;border-radius:50px;
  box-shadow:0 4px 14px rgba(108,92,231,.4);
}
.news-body{padding:24px;display:flex;flex-direction:column;flex:1}
.news-body h3{font-size:1.06rem;font-weight:600;color:var(--text-light);line-height:1.55;margin-bottom:10px}
.news-body p{color:var(--text-muted);font-size:.88rem;line-height:1.7;margin-bottom:18px;flex:1}
.news-meta{
  display:flex;align-items:center;gap:16px;
  color:var(--text-dim);font-size:.8rem;
  border-top:1px solid var(--border);padding-top:16px;
}
.news-meta i{margin-right:5px}
/* ===== CTA ===== */
.cta-section{
  position:relative;padding:100px 0;
  background-size:cover;background-position:center;
}
.cta-section::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(10,15,30,.94),rgba(20,30,60,.85));
}
.cta-box{
  position:relative;z-index:2;
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(20px);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-lg);
  padding:60px 40px;text-align:center;
  max-width:900px;margin:0 auto;
}
.cta-box h2{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:700;letter-spacing:-.5px;margin-bottom:16px}
.cta-box p{color:var(--text-muted);font-size:1rem;max-width:560px;margin:0 auto 34px;line-height:1.85}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
/* ===== Footer ===== */
.site-footer{
  background:#070b17;
  border-top:1px solid var(--border);
  padding:80px 0 30px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-weight:700;font-size:1.25rem;color:var(--text-light);margin-bottom:18px;
}
.footer-brand .brand-icon{
  width:36px;height:36px;border-radius:10px;
  background:var(--gradient-primary);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:.9rem;
  box-shadow:0 4px 14px rgba(108,92,231,.4);
}
.footer-desc{color:var(--text-muted);font-size:.9rem;line-height:1.8;margin-bottom:14px}
.footer-info{margin:0;padding:0;list-style:none}
.footer-info li{color:var(--text-muted);font-size:.88rem;margin-bottom:8px}
.footer-info i{color:var(--accent);width:20px;margin-right:4px}
.footer-title{
  color:var(--text-light);font-size:1rem;font-weight:600;
  margin-bottom:18px;letter-spacing:.5px;
}
.footer-links{margin:0;padding:0;list-style:none}
.footer-links li{margin-bottom:10px}
.footer-links a{color:var(--text-muted);font-size:.88rem;display:inline-flex;align-items:center;transition:var(--transition)}
.footer-links a i{font-size:.65rem;margin-right:6px;color:var(--text-dim);transition:var(--transition)}
.footer-links a:hover{color:var(--accent);padding-left:4px}
.footer-links a:hover i{color:var(--accent)}
.badge-custom{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(108,92,231,.15);
  border:1px solid rgba(108,92,231,.3);
  color:#b8b0ff;font-size:.76rem;
  padding:5px 12px;border-radius:50px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.06);
  margin-top:60px;padding-top:24px;
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:12px;
}
.footer-bottom p{color:var(--text-dim);font-size:.82rem;margin:0}
.footer-bottom a{color:var(--text-dim)}
.footer-bottom a:hover{color:var(--accent)}
/* ===== Responsive ===== */
@media (max-width:1024px){
  .site-section{padding:80px 0}
  .category-hero{padding:100px 0 80px}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:14px}
  .hero-stat{padding:16px 14px}
}
@media (max-width:768px){
  .category-hero{padding:80px 0 70px}
  .category-hero h1{font-size:2rem}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:12px}
  .hero-stat .stat-number{font-size:1.3rem}
  .hero-stat .stat-icon{font-size:1rem}
  .section-head{margin-bottom:40px}
  .site-section{padding:64px 0}
  .navbar-cta{margin-left:0;margin-top:12px}
  .cta-box{padding:40px 24px}
  .footer-bottom{flex-direction:column;text-align:center}
}
@media (max-width:520px){
  .category-hero{padding:60px 0}
  .category-hero h1{font-size:1.65rem}
  .category-hero .lead{font-size:.95rem}
  .hero-actions .btn-accent,.hero-actions .btn-outline-light-custom{width:100%;justify-content:center}
  .hero-stats{grid-template-columns:1fr;max-width:280px;margin-left:auto;margin-right:auto}
  .hero-stat{text-align:center}
  .site-section{padding:52px 0}
  .section-title{font-size:1.5rem}
  .step-card{padding:26px 20px}
  .method-card{padding:18px}
  .news-body{padding:20px}
  .cta-box{padding:32px 20px}
  .cta-actions .btn-accent,.cta-actions .btn-outline-light-custom{width:100%;justify-content:center}
}

/* roulang page: category3 */
:root {
            --primary: #2563EB;
            --primary-dark: #1D4ED8;
            --accent: #F59E0B;
            --accent-hover: #D97706;
            --bg-body: #F8FAFC;
            --bg-dark: #0F172A;
            --bg-card: #FFFFFF;
            --bg-soft: #F0F4FF;
            --text-body: #1E293B;
            --text-muted: #64748B;
            --border-color: #E2E8F0;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);
            --shadow-primary: 0 8px 24px rgba(37, 99, 235, 0.25);
            --transition: all 0.3s ease;
            --section-py: 100px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-body);
            background-color: var(--bg-body);
            -webkit-font-smoothing: antialiased;
        }

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

        a:hover {
            color: var(--primary-dark);
        }

        img {
            max-width: 100%;
            height: auto;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }

        .btn {
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.3px;
            transition: var(--transition);
            border: 2px solid transparent;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .btn:focus,
        .btn:focus-visible {
            outline: 3px solid rgba(37, 99, 235, 0.3);
            box-shadow: 0 0 0 6px rgba(37, 99, 235, 0.08);
        }

        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: var(--shadow-primary);
        }

        .btn-primary-custom:hover,
        .btn-primary-custom:active {
            background: var(--primary-dark);
            color: #fff;
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(37, 99, 235, 0.32);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            box-shadow: 0 8px 20px rgba(245, 158, 11, 0.28);
        }

        .btn-accent:hover,
        .btn-accent:active {
            background: var(--accent-hover);
            color: #fff;
            border-color: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(245, 158, 11, 0.36);
        }

        .btn-outline-light {
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
        }

        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            transform: translateY(-2px);
        }

        .container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* --- Header --- */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1080;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.7);
            transition: var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
        }

        .site-header .navbar {
            padding: 14px 0;
            min-height: 76px;
        }

        .navbar-brand {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-body);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 0.5px;
        }

        .navbar-brand .brand-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: var(--shadow-primary);
        }

        .navbar-brand:hover {
            color: var(--primary);
        }

        .navbar .navbar-nav {
            gap: 4px;
        }

        .navbar .nav-link {
            color: var(--text-body);
            font-weight: 500;
            padding: 10px 18px !important;
            border-radius: 50px;
            font-size: 15px;
            transition: var(--transition);
            position: relative;
        }

        .navbar .nav-link:hover {
            color: var(--primary);
            background: rgba(37, 99, 235, 0.06);
        }

        .navbar .nav-link.active {
            color: var(--primary);
            background: rgba(37, 99, 235, 0.1);
            font-weight: 600;
        }

        .navbar-cta {
            margin-left: 12px;
        }

        .navbar-cta .btn {
            padding: 10px 24px;
            font-size: 14.5px;
        }

        .navbar-toggler {
            border: 2px solid var(--border-color);
            padding: 8px 12px;
            border-radius: 10px;
            background: transparent;
            transition: var(--transition);
        }

        .navbar-toggler:hover {
            border-color: var(--primary);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%231E293B' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* --- Page Hero --- */
        .page-hero {
            position: relative;
            padding: 110px 0 100px;
            background: url('/assets/images/backpic/back-2.png') center center/cover no-repeat;
            color: #fff;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.88) 0%, rgba(29, 78, 216, 0.76) 100%);
        }

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

        .page-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.22);
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 500;
            color: #fff;
            margin-bottom: 24px;
            backdrop-filter: blur(8px);
        }

        .page-hero h1 {
            font-size: 46px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .page-hero .hero-lead {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            margin-bottom: 36px;
            line-height: 1.8;
        }

        .hero-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .badge-custom {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--bg-soft);
            color: var(--primary);
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 13px;
        }

        .badge-custom i {
            font-size: 12px;
        }

        /* --- Section Common --- */
        .section {
            padding: var(--section-py) 0;
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 60px;
        }

        .section-head .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 2px;
            text-transform: uppercase;
            background: rgba(37, 99, 235, 0.08);
            padding: 8px 18px;
            border-radius: 50px;
            margin-bottom: 16px;
        }

        .section-head h2 {
            font-size: 38px;
            font-weight: 800;
            color: var(--text-body);
            line-height: 1.25;
            margin-bottom: 16px;
        }

        .section-head p {
            font-size: 17px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* --- Cards --- */
        .card-modern {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            transition: var(--transition);
            height: 100%;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .card-modern:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(37, 99, 235, 0.2);
        }

        .card-modern .card-icon {
            width: 64px;
            height: 64px;
            border-radius: 18px;
            background: var(--bg-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            margin-bottom: 20px;
            transition: var(--transition);
        }

        .card-modern:hover .card-icon {
            background: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }

        .card-modern .card-body {
            padding: 32px 28px;
        }

        .card-modern h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-body);
        }

        .card-modern p {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.75;
            margin-bottom: 0;
        }

        .card-media {
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-md);
            background: var(--bg-dark);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .card-media img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .card-media:hover img {
            transform: scale(1.03);
        }

        .card-media .media-body {
            padding: 24px 24px 28px;
            background: var(--bg-card);
        }

        .card-media h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-body);
        }

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

        /* --- Feature List --- */
        .feature-check {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 18px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            transition: var(--transition);
        }

        .feature-check:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(37, 99, 235, 0.2);
        }

        .feature-check .check-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(37, 99, 235, 0.12);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }

        .feature-check h4 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .feature-check p {
            color: var(--text-muted);
            font-size: 14px;
            margin: 0;
            line-height: 1.7;
        }

        /* --- Steps --- */
        .steps-section {
            background: var(--bg-dark);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .steps-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 300px;
            height: 300px;
            background: rgba(37, 99, 235, 0.18);
            border-radius: 50%;
            filter: blur(80px);
        }

        .steps-section .section-head h2 {
            color: #fff;
        }

        .steps-section .section-head p {
            color: rgba(255, 255, 255, 0.7);
        }

        .steps-section .section-tag {
            color: #fff;
            background: rgba(255, 255, 255, 0.12);
        }

        .step-card {
            text-align: center;
            padding: 40px 24px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            height: 100%;
            transition: var(--transition);
            position: relative;
            z-index: 1;
            backdrop-filter: blur(10px);
        }

        .step-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-6px);
        }

        .step-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--accent);
            margin-bottom: 14px;
            display: block;
        }

        .step-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }

        .step-card p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            line-height: 1.7;
            margin: 0;
        }

        /* --- Shield Section --- */
        .security-areas {
            background: var(--bg-soft);
        }

        .security-item {
            padding: 32px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            height: 100%;
        }

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

        .security-item .security-icon {
            width: 58px;
            height: 58px;
            border-radius: 16px;
            background: linear-gradient(135deg, #2563EB, #1D4ED8);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 20px;
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25);
        }

        .security-item h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .security-item p {
            color: var(--text-muted);
            font-size: 14.5px;
            line-height: 1.75;
            margin: 0;
        }

        .security-item .security-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #10B981;
            margin-right: 8px;
        }

        .security-item .security-status {
            display: inline-flex;
            align-items: center;
            font-size: 13px;
            font-weight: 600;
            color: #059669;
            background: rgba(16, 185, 129, 0.1);
            padding: 4px 12px;
            border-radius: 50px;
            margin-top: 14px;
        }

        /* --- Stats --- */
        .stats-band {
            padding: 60px 0;
            background: url('/assets/images/backpic/back-3.png') center center/cover fixed no-repeat;
            position: relative;
            color: #fff;
        }

        .stats-band::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15, 23, 42, 0.88);
        }

        .stats-band .container {
            position: relative;
            z-index: 1;
        }

        .stat-block {
            text-align: center;
            padding: 24px;
        }

        .stat-block .stat-num {
            font-size: 48px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }

        .stat-block .stat-label {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 8px;
        }

        /* --- FAQ --- */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 32px;
            margin-bottom: 16px;
            transition: var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(37, 99, 235, 0.2);
        }

        .faq-item h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-body);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .faq-item h3 i {
            color: var(--primary);
            font-size: 16px;
        }

        .faq-item p {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
            margin: 0;
            padding-left: 26px;
        }

        /* --- CTA --- */
        .cta-section {
            padding: 90px 0;
            background: linear-gradient(135deg, #1E3A8A 0%, #2563EB 50%, #1D4ED8 100%);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
            top: -150px;
            right: -100px;
        }

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

        .cta-section h2 {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin: 0 auto 32px;
        }

        /* --- Footer --- */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 80px 0 30px;
            position: relative;
        }

        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
        }

        .site-footer .footer-brand {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .site-footer .footer-brand .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
        }

        .site-footer .footer-desc {
            font-size: 14.5px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 18px;
        }

        .site-footer .footer-info {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer .footer-info li {
            font-size: 14px;
            margin-bottom: 8px;
            color: rgba(255, 255, 255, 0.65);
        }

        .site-footer .footer-info i {
            color: var(--accent);
            margin-right: 8px;
        }

        .site-footer .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 12px;
        }

        .site-footer .footer-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 32px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }

        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14.5px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .site-footer .footer-links a i {
            font-size: 11px;
            color: var(--primary);
            transition: var(--transition);
        }

        .site-footer .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .site-footer .footer-links a:hover i {
            color: var(--accent);
            transform: translateX(3px);
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            margin-top: 50px;
            text-align: center;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
        }

        /* --- Responsive --- */
        @media (max-width: 1024.98px) {
            .navbar-cta {
                margin-left: 0;
                margin-top: 12px;
            }

            .page-hero h1 {
                font-size: 36px;
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --section-py: 70px;
            }

            .page-hero {
                padding: 80px 0 70px;
            }

            .page-hero h1 {
                font-size: 30px;
            }

            .page-hero .hero-lead {
                font-size: 16px;
            }

            .section-head h2 {
                font-size: 28px;
            }

            .stat-block .stat-num {
                font-size: 36px;
            }

            .cta-section h2 {
                font-size: 28px;
            }

            .cta-section p {
                font-size: 16px;
            }

            .step-card {
                padding: 28px 20px;
            }

            .security-item {
                padding: 24px;
            }
        }

        @media (max-width: 575.98px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .page-hero h1 {
                font-size: 26px;
            }

            .hero-meta {
                flex-direction: column;
                align-items: flex-start;
            }

            .section-head p {
                font-size: 15px;
            }

            .card-modern .card-body {
                padding: 24px 20px;
            }

            .faq-item {
                padding: 20px 18px;
            }

            .faq-item p {
                padding-left: 0;
                margin-top: 8px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1e2a4a;
            --primary-light: #2b3d6e;
            --primary-soft: #eef2fb;
            --accent: #f0b90b;
            --accent-dark: #d4a309;
            --accent-soft: #fff9e8;
            --bg-body: #f4f6fb;
            --bg-card: #ffffff;
            --bg-dark: #0f1728;
            --bg-dark-2: #182238;
            --text-main: #1c2434;
            --text-muted: #69758c;
            --text-light: #aab4c8;
            --border: #e6ebf4;
            --border-dark: rgba(255, 255, 255, .08);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-sm: 0 4px 14px rgba(30, 42, 74, .06);
            --shadow-md: 0 10px 30px rgba(30, 42, 74, .10);
            --shadow-lg: 0 24px 60px rgba(15, 23, 40, .18);
            --transition: .25s ease;
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 16px;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }

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

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

        a:hover {
            color: var(--accent-dark);
        }

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding: 100px 0;
        }

        .section-head {
            max-width: 760px;
            margin: 0 auto 56px;
            text-align: center;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-soft);
            color: var(--primary-light);
            font-size: 13px;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: 40px;
            letter-spacing: .5px;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.3;
            letter-spacing: -.5px;
            margin-bottom: 16px;
        }

        .section-sub {
            color: var(--text-muted);
            font-size: 16px;
            line-height: 1.8;
        }

        .text-accent {
            color: var(--accent);
        }

        .text-gradient {
            background: linear-gradient(135deg, var(--primary-light) 0%, var(--accent) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .btn {
            border-radius: 12px;
            padding: 12px 28px;
            font-weight: 600;
            font-size: 15px;
            border: 2px solid transparent;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            line-height: 1.4;
        }

        .btn:focus,
        .btn-ghost:focus,
        .btn-accent:focus {
            outline: none;
            box-shadow: 0 0 0 4px rgba(240, 185, 11, .25);
        }

        .btn-accent {
            background: var(--accent);
            color: #1a1a1a;
            border-color: var(--accent);
            box-shadow: 0 6px 20px rgba(240, 185, 11, .25);
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(212, 163, 9, .3);
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, .5);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, .1);
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
        }

        .btn-primary-soft {
            background: var(--primary-soft);
            color: var(--primary);
            border-color: transparent;
        }

        .btn-primary-soft:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(30, 42, 74, .2);
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 16px;
            border-radius: 14px;
        }

        .badge-custom {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-soft);
            color: var(--primary-light);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 30px;
            border: 1px solid rgba(30, 42, 74, .08);
            white-space: nowrap;
        }

        .badge-tag {
            display: inline-block;
            background: rgba(240, 185, 11, .15);
            color: #9a7400;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 30px;
            letter-spacing: .3px;
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 23, 40, .95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, .08);
            box-shadow: 0 4px 30px rgba(0, 0, 0, .2);
        }

        .site-header .container {
            max-width: 1320px;
        }

        .site-header .navbar {
            padding: 14px 0;
        }

        .site-header .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-weight: 800;
            font-size: 20px;
            letter-spacing: .5px;
        }

        .site-header .navbar-brand:hover {
            color: var(--accent);
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent), #ffd75e);
            border-radius: 10px;
            color: #1a1a1a;
            font-size: 17px;
            box-shadow: 0 4px 12px rgba(240, 185, 11, .3);
        }

        .site-header .nav-link {
            color: rgba(255, 255, 255, .82);
            font-size: 15px;
            font-weight: 500;
            padding: 10px 16px !important;
            border-radius: 10px;
            transition: all var(--transition);
            position: relative;
        }

        .site-header .nav-link:hover,
        .site-header .nav-link.active {
            color: #fff;
            background: rgba(255, 255, 255, .06);
        }

        .site-header .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
        }

        .navbar-cta {
            margin-left: 24px;
        }

        .navbar-cta .btn {
            padding: 10px 22px;
            font-size: 14px;
            border-radius: 10px;
        }

        .site-header .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, .3);
            border-radius: 8px;
            padding: 6px 10px;
        }

        .site-header .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(240, 185, 11, .3);
        }

        .site-header .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        @media (max-width: 991.98px) {
            .site-header .navbar-collapse {
                background: var(--bg-dark);
                border-radius: 16px;
                padding: 20px;
                margin-top: 14px;
                border: 1px solid var(--border-dark);
            }

            .site-header .nav-link {
                padding: 12px 14px !important;
            }

            .navbar-cta {
                margin-left: 0;
                margin-top: 16px;
            }

            .navbar-cta .btn {
                width: 100%;
                justify-content: center;
            }
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            padding: 130px 0 110px;
            background: linear-gradient(130deg, rgba(15, 23, 40, .92) 0%, rgba(43, 61, 110, .85) 55%, rgba(15, 23, 40, .78) 100%);
            overflow: hidden;
            text-align: center;
        }

        .page-banner-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: .3;
            pointer-events: none;
        }

        .page-banner::before {
            content: "";
            position: absolute;
            top: -120px;
            right: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(240, 185, 11, .18), transparent 60%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-banner .page-banner-content {
            position: relative;
            z-index: 2;
        }

        .page-banner .banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(240, 185, 11, .15);
            border: 1px solid rgba(240, 185, 11, .35);
            color: var(--accent);
            padding: 8px 20px;
            border-radius: 40px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
        }

        .page-banner h1 {
            font-size: clamp(32px, 5vw, 52px);
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            letter-spacing: -1px;
            margin-bottom: 20px;
        }

        .page-banner p {
            color: rgba(255, 255, 255, .8);
            font-size: 17px;
            max-width: 680px;
            margin: 0 auto 32px;
        }

        .breadcrumb-custom {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
        }

        .breadcrumb-custom a {
            color: rgba(255, 255, 255, .75);
        }

        .breadcrumb-custom a:hover {
            color: var(--accent);
        }

        .breadcrumb-custom .separator {
            color: rgba(255, 255, 255, .4);
        }

        .breadcrumb-custom .current {
            color: var(--accent);
        }

        /* ========== FEATURES GRID ========== */
        .feature-grid {
            margin-top: -50px;
            position: relative;
            z-index: 5;
        }

        .feature-grid .row {
            --bs-gutter-y: 24px;
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            height: 100%;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .4s ease;
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(240, 185, 11, .3);
        }

        .feature-card:hover::before {
            transform: scaleX(1);
        }

        .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            margin-bottom: 24px;
            background: var(--primary-soft);
            color: var(--primary);
            transition: all var(--transition);
        }

        .feature-card:hover .feature-icon {
            background: var(--accent);
            color: #1a1a1a;
            transform: scale(1.05);
            box-shadow: 0 8px 20px rgba(240, 185, 11, .3);
        }

        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-main);
        }

        .feature-card p {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        @media (max-width: 767.98px) {
            .feature-card {
                padding: 28px 24px;
            }
        }

        /* ========== CONTENT LIST ========== */
        .content-list {
            background: #fff;
        }

        .content-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .content-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(240, 185, 11, .3);
        }

        .content-card .card-cover {
            position: relative;
            overflow: hidden;
            height: 210px;
        }

        .content-card .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

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

        .content-card .card-cover::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 23, 40, .3), transparent 60%);
        }

        .content-card .card-body {
            padding: 26px 26px 30px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .content-card .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 14px;
        }

        .content-card .card-meta i {
            margin-right: 5px;
            color: var(--accent);
            font-size: 12px;
        }

        .content-card .card-title {
            font-size: 19px;
            font-weight: 700;
            line-height: 1.5;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .content-card .card-title a {
            color: inherit;
        }

        .content-card .card-title a:hover {
            color: var(--primary);
        }

        .content-card .card-desc {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.75;
            flex: 1;
            margin-bottom: 20px;
        }

        .content-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
        }

        .content-card .card-link i {
            transition: transform var(--transition);
        }

        .content-card:hover .card-link i {
            transform: translateX(4px);
        }

        /* ========== STATS ========== */
        .stats-section {
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: .08;
            pointer-events: none;
        }

        .stats-section .stat-item {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 40px 24px;
        }

        .stats-section .stat-icon {
            font-size: 30px;
            color: var(--accent);
            margin-bottom: 16px;
        }

        .stats-section .stat-num {
            font-size: clamp(36px, 5vw, 52px);
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -1px;
        }

        .stats-section .stat-num span {
            color: var(--accent);
        }

        .stats-section .stat-label {
            color: rgba(255, 255, 255, .65);
            font-size: 15px;
            margin-top: 8px;
        }

        /* ========== PROCESS ========== */
        .process-steps {
            position: relative;
        }

        .process-step {
            position: relative;
            padding: 32px 28px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            height: 100%;
            transition: all var(--transition);
        }

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

        .process-step .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            margin-bottom: 20px;
        }

        .process-step:nth-child(2) .step-num {
            background: var(--primary-light);
        }

        .process-step:nth-child(3) .step-num {
            background: #b8860b;
        }

        .process-step:nth-child(4) .step-num {
            background: var(--accent);
            color: #1a1a1a;
        }

        .process-step h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .process-step p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        @media (min-width: 768px) {
            .process-steps .row {
                position: relative;
            }

            .process-steps .row::before {
                content: "";
                position: absolute;
                top: 56px;
                left: 12%;
                right: 12%;
                height: 2px;
                background: linear-gradient(90deg, var(--primary), var(--accent));
                opacity: .15;
                z-index: 0;
                border-radius: 4px;
            }
        }

        /* ========== SHOWCASE ========== */
        .showcase-section {
            background: #fff;
        }

        .showcase-media {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .showcase-media img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }

        .showcase-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 23, 40, .4), transparent 50%);
            pointer-events: none;
        }

        .showcase-media .play-badge {
            position: absolute;
            left: 50%;
            top: 50%;
            transform: translate(-50%, -50%);
            width: 72px;
            height: 72px;
            background: rgba(255, 255, 255, .2);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, .4);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 24px;
            z-index: 2;
            transition: all var(--transition);
        }

        .showcase-media:hover .play-badge {
            background: var(--accent);
            color: #1a1a1a;
            transform: translate(-50%, -50%) scale(1.08);
            box-shadow: 0 0 40px rgba(240, 185, 11, .4);
        }

        .showcase-content {
            padding: 20px 0;
        }

        .showcase-content .feature-list {
            list-style: none;
            padding: 0;
            margin: 24px 0 0;
        }

        .showcase-content .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            color: var(--text-main);
            font-size: 15px;
        }

        .showcase-content .feature-list li:last-child {
            border-bottom: none;
        }

        .showcase-content .feature-list i {
            color: var(--accent);
            font-size: 16px;
            margin-top: 4px;
            flex-shrink: 0;
        }

        @media (max-width: 767.98px) {
            .showcase-media img {
                height: 280px;
            }

            .showcase-content {
                padding-top: 32px;
            }
        }

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

        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 32px;
            margin-bottom: 16px;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(240, 185, 11, .3);
            box-shadow: var(--shadow-sm);
        }

        .faq-item h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 0;
            display: flex;
            align-items: center;
            gap: 12px;
            cursor: pointer;
        }

        .faq-item h3 i {
            color: var(--accent);
            font-size: 16px;
            flex-shrink: 0;
        }

        .faq-item p {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
            margin: 14px 0 0 28px;
            border-left: 2px solid var(--accent);
            padding-left: 16px;
        }

        .faq-item p:empty {
            display: none;
        }

        /* ========== CTA ========== */
        .cta-section {
            position: relative;
            padding: 110px 0;
            background: linear-gradient(120deg, var(--bg-dark) 0%, var(--primary-light) 100%);
            text-align: center;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: -80px;
            left: -80px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(240, 185, 11, .2), transparent 70%);
            border-radius: 50%;
        }

        .cta-section::after {
            content: "";
            position: absolute;
            bottom: -100px;
            right: -60px;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(255, 255, 255, .08), transparent 70%);
            border-radius: 50%;
        }

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

        .cta-section h2 {
            font-size: clamp(28px, 4vw, 42px);
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -.5px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, .8);
            font-size: 17px;
            max-width: 560px;
            margin: 0 auto 36px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, .7);
            padding: 80px 0 0;
            border-top: 1px solid rgba(255, 255, 255, .06);
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 18px;
        }

        .footer-desc {
            font-size: 15px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .6);
            margin-bottom: 24px;
        }

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

        .footer-info li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
            margin-bottom: 10px;
            color: rgba(255, 255, 255, .7);
        }

        .footer-info li i {
            color: var(--accent);
        }

        .site-footer .footer-title {
            color: #fff;
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 12px;
        }

        .site-footer .footer-title::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
        }

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

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

        .footer-links a {
            color: rgba(255, 255, 255, .6);
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-links a i {
            font-size: 11px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .06);
            padding: 28px 0;
            margin-top: 56px;
            text-align: center;
            font-size: 14px;
            color: rgba(255, 255, 255, .4);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .5);
        }

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

        .badge-custom {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .12);
            color: rgba(255, 255, 255, .75);
        }

        @media (max-width: 767.98px) {
            .section {
                padding: 70px 0;
            }

            .section-head {
                margin-bottom: 40px;
            }

            .site-footer {
                padding-top: 60px;
            }

            .footer-bottom {
                margin-top: 40px;
            }
        }