/* roulang page: index */
:root {
            --primary: #1e293b;
            --primary-light: #334155;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --bg: #f8fafc;
            --text: #0f172a;
            --muted: #64748b;
            --border: #e2e8f0;
            --radius: 1.25rem;
            --shadow-card: 0 10px 30px -12px rgba(15, 23, 42, 0.12);
            --shadow-lift: 0 20px 44px -16px rgba(15, 23, 42, 0.22);
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font: inherit;
        }
        .container-site {
            width: 100%;
            max-width: 80rem;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        @media (min-width: 640px) {
            .container-site {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container-site {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        .nav-link {
            position: relative;
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.75rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: #475569;
            border-radius: 0.75rem;
            transition: color 0.2s, background 0.2s;
        }
        .nav-link:hover {
            color: #0f172a;
            background: #f1f5f9;
        }
        .nav-link.active {
            color: #b45309;
            background: #fffbeb;
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0.9rem;
            right: 0.9rem;
            bottom: 0.15rem;
            height: 2px;
            background: #f59e0b;
            border-radius: 9999px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, #f59e0b, #d97706);
            color: #fff;
            font-weight: 600;
            font-size: 0.92rem;
            padding: 0.65rem 1.4rem;
            border-radius: 0.9rem;
            box-shadow: 0 8px 20px -8px rgba(217, 119, 6, 0.55);
            transition: transform 0.2s, box-shadow 0.2s, filter 0.2s;
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 28px -10px rgba(217, 119, 6, 0.6);
            filter: brightness(1.03);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-primary:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.25);
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-weight: 500;
            font-size: 0.92rem;
            padding: 0.65rem 1.4rem;
            border-radius: 0.9rem;
            backdrop-filter: blur(6px);
            background: rgba(255, 255, 255, 0.08);
            transition: background 0.2s, border-color 0.2s, transform 0.2s;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.16);
            border-color: rgba(255, 255, 255, 0.8);
            transform: translateY(-2px);
        }
        .section-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            color: #b45309;
            background: #fffbeb;
            border: 1px solid #fde68a;
            padding: 0.3rem 0.85rem;
            border-radius: 9999px;
            text-transform: uppercase;
        }
        .section-title {
            margin-top: 0.75rem;
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.25;
            color: #0f172a;
            letter-spacing: -0.01em;
        }
        @media (min-width: 768px) {
            .section-title {
                font-size: 2.4rem;
            }
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.3rem 0.8rem;
            border-radius: 9999px;
            font-size: 0.78rem;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.92);
            color: #1e293b;
            box-shadow: 0 2px 8px rgba(15, 23, 42, 0.06);
        }
        .badge-accent {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            padding: 0.25rem 0.7rem;
            border-radius: 9999px;
            font-size: 0.75rem;
            font-weight: 600;
            background: #fff7ed;
            color: #c2410c;
            border: 1px solid #fed7aa;
        }
        .card-hover {
            transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
        }
        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lift);
            border-color: rgb(253, 186, 116, 0.5);
        }
        .line-clamp-2 {
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .timeline-dot {
            position: relative;
            width: 2.6rem;
            height: 2.6rem;
            border-radius: 0.9rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .focus-ring:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.25);
            border-radius: 0.5rem;
        }
        @media (max-width: 640px) {
            .section-title {
                font-size: 1.6rem;
            }
        }

/* roulang page: article */
:root {
            --primary: #f59e0b;
            --primary-dark: #d97706;
            --secondary: #0f172a;
            --bg: #f8fafc;
            --text: #1e293b;
            --text-light: #64748b;
            --border: #e2e8f0;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.1);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        .container-site {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        .nav-link {
            padding: 0.5rem 0.9rem;
            border-radius: 10px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #475569;
            transition: all 0.25s ease;
            position: relative;
        }
        .nav-link:hover {
            color: #d97706;
            background: rgba(245, 158, 11, 0.08);
        }
        .nav-link.active {
            color: #d97706;
            background: rgba(245, 158, 11, 0.12);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 999px;
            background: linear-gradient(90deg, #f59e0b, #fbbf24);
        }
        .prose-article {
            font-size: 1rem;
            line-height: 1.85;
            color: #334155;
            word-break: break-word;
        }
        .prose-article > * + * {
            margin-top: 1.1rem;
        }
        .prose-article h2 {
            font-size: 1.45rem;
            font-weight: 800;
            color: #0f172a;
            margin-top: 2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #f1f5f9;
        }
        .prose-article h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #0f172a;
            margin-top: 1.5rem;
        }
        .prose-article p {
            color: #475569;
        }
        .prose-article a {
            color: #d97706;
            font-weight: 600;
            border-bottom: 1px solid rgba(217, 119, 6, 0.3);
            transition: color 0.2s ease, border-color 0.2s ease;
        }
        .prose-article a:hover {
            color: #b45309;
            border-color: #b45309;
        }
        .prose-article ul {
            padding-left: 1.4rem;
            list-style: disc;
            color: #475569;
        }
        .prose-article ol {
            padding-left: 1.4rem;
            list-style: decimal;
            color: #475569;
        }
        .prose-article li {
            margin-bottom: 0.4rem;
        }
        .prose-article blockquote {
            border-left: 4px solid #f59e0b;
            background: #fffbeb;
            padding: 0.8rem 1.2rem;
            border-radius: 0 12px 12px 0;
            color: #78350f;
            font-style: italic;
        }
        .prose-article img {
            border-radius: 12px;
            margin: 1.2rem 0;
        }
        .prose-article code {
            background: #f1f5f9;
            padding: 0.15rem 0.4rem;
            border-radius: 6px;
            font-size: 0.9em;
            color: #0f172a;
        }
        .line-clamp-2 {
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        @media (max-width: 640px) {
            .container-site {
                padding-left: 0.85rem;
                padding-right: 0.85rem;
            }
            .prose-article {
                font-size: 0.95rem;
            }
            .prose-article h2 {
                font-size: 1.2rem;
            }
        }

/* roulang page: category1 */
:root {
            --brand: #f59e0b;
            --brand-light: #fbbf24;
            --brand-dark: #d97706;
            --ink: #0f172a;
            --ink-soft: #475569;
            --ink-mute: #94a3b8;
            --bg-page: #f8fafc;
            --line: #e2e8f0;
            --radius: 1rem;
            --radius-lg: 1.5rem;
            --shadow-sm: 0 4px 14px rgba(2, 6, 23, .06);
            --shadow-md: 0 12px 30px rgba(2, 6, 23, .10);
            --shadow-lg: 0 24px 60px rgba(2, 6, 23, .14);
            --font-stack: ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-stack);
            background: var(--bg-page);
            color: var(--ink);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
        }
        .container-site {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
        }
        button {
            font-family: inherit;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: .55rem 1rem;
            border-radius: .85rem;
            font-size: .9375rem;
            font-weight: 500;
            color: var(--ink-soft);
            transition: all .22s ease;
        }
        .nav-link:hover {
            background: #f1f5f9;
            color: var(--ink);
        }
        .nav-link.active {
            background: rgba(245, 158, 11, .14);
            color: var(--brand-dark);
            font-weight: 700;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            padding: .7rem 1.4rem;
            border-radius: 1rem;
            background: linear-gradient(135deg, var(--brand-light), var(--brand));
            color: #fff;
            font-size: .9375rem;
            font-weight: 700;
            box-shadow: 0 8px 22px rgba(245, 158, 11, .32);
            transition: all .25s ease;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 30px rgba(245, 158, 11, .42);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            padding: .7rem 1.4rem;
            border-radius: 1rem;
            background: rgba(255, 255, 255, .95);
            color: var(--ink);
            font-size: .9375rem;
            font-weight: 600;
            border: 1px solid var(--line);
            box-shadow: var(--shadow-sm);
            transition: all .25s ease;
        }
        .btn-ghost:hover {
            border-color: var(--brand-light);
            color: var(--brand-dark);
            transform: translateY(-2px);
        }
        .hero-bg {
            background: linear-gradient(105deg, rgba(15, 23, 42, .78) 0%, rgba(15, 23, 42, .42) 60%, rgba(15, 23, 42, .28) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
        }
        .section-pad {
            padding-top: 4.5rem;
            padding-bottom: 4.5rem;
        }
        .card-base {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            transition: all .28s ease;
        }
        .card-base:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .step-icon {
            width: 3rem;
            height: 3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 1rem;
            background: linear-gradient(135deg, #fef3c7, #fde68a);
            color: var(--brand-dark);
            font-size: 1.15rem;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 1.1rem;
            padding: 1.25rem 1.4rem;
            transition: box-shadow .25s ease;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .stat-card {
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 1.25rem;
            padding: 1.25rem 1.5rem;
            backdrop-filter: blur(6px);
        }
        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: .35rem;
            padding: .3rem .75rem;
            border-radius: 999px;
            font-size: .8rem;
            font-weight: 600;
        }
        .icon-circle {
            width: 2.5rem;
            height: 2.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: .8rem;
            background: rgba(245, 158, 11, .12);
            color: var(--brand-dark);
            font-size: 1.05rem;
        }
        input:focus,
        textarea:focus,
        button:focus {
            outline: 2px solid rgba(245, 158, 11, .5);
            outline-offset: 2px;
        }
        @media (max-width: 768px) {
            .container-site {
                padding-left: 1.125rem;
                padding-right: 1.125rem;
            }
            .section-pad {
                padding-top: 3rem;
                padding-bottom: 3rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #f59e0b;
            --primary-dark: #d97706;
            --primary-light: #fbbf24;
            --bg-deep: #020617;
            --bg-dark: #0f172a;
            --bg-card: #1e293b;
            --border-light: rgba(255, 255, 255, 0.08);
            --text-main: #f1f5f9;
            --text-sub: #94a3b8;
            --text-mute: #64748b;
            --radius-lg: 1.25rem;
            --radius-md: 0.875rem;
            --shadow-card: 0 16px 32px -16px rgba(0, 0, 0, 0.55);
            --shadow-glow: 0 8px 30px rgba(245, 158, 11, 0.18);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", system-ui, -apple-system, sans-serif;
            background: var(--bg-deep);
            color: var(--text-main);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: all 0.25s ease;
        }
        .container-site {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        @media (max-width: 768px) {
            .container-site {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }
        .nav-link {
            position: relative;
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            padding: 0.575rem 1.05rem;
            border-radius: 0.7rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-sub);
            white-space: nowrap;
            border: 1px solid transparent;
            transition: all 0.25s ease;
        }
        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.08);
        }
        .nav-link.active {
            color: #0f172a;
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
            border-color: rgba(0, 0, 0, 0.05);
            font-weight: 700;
            box-shadow: 0 6px 16px -6px rgba(245, 158, 11, 0.4);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.625rem 1.4rem;
            border-radius: 0.75rem;
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
            color: #0f172a;
            font-size: 0.9rem;
            font-weight: 700;
            box-shadow: 0 8px 20px -8px rgba(245, 158, 11, 0.5);
            transition: all 0.25s ease;
        }
        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px -8px rgba(245, 158, 11, 0.55);
            color: #0f172a;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.55rem;
            padding: 0.8rem 1.8rem;
            border-radius: 0.85rem;
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
            color: #0f172a;
            font-size: 0.95rem;
            font-weight: 700;
            box-shadow: 0 10px 24px -10px rgba(245, 158, 11, 0.55);
            transition: all 0.3s ease;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 16px 32px -10px rgba(245, 158, 11, 0.6);
            color: #0f172a;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.55rem;
            padding: 0.8rem 1.8rem;
            border-radius: 0.85rem;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: #e2e8f0;
            font-size: 0.95rem;
            font-weight: 600;
            backdrop-filter: blur(4px);
            transition: all 0.3s ease;
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.22);
            color: #fff;
            transform: translateY(-2px);
        }
        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.28rem 0.8rem;
            border-radius: 999px;
            font-size: 0.78rem;
            font-weight: 600;
            background: rgba(245, 158, 11, 0.12);
            color: #fbbf24;
            border: 1px solid rgba(245, 158, 11, 0.25);
        }
        .badge-soft {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            padding: 0.25rem 0.7rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-sub);
            border: 1px solid rgba(255, 255, 255, 0.07);
        }
        .activity-card {
            background: var(--bg-dark);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.35s ease;
        }
        .activity-card:hover {
            transform: translateY(-6px);
            border-color: rgba(245, 158, 11, 0.35);
            box-shadow: var(--shadow-card), 0 0 0 1px rgba(245, 158, 11, 0.12);
        }
        .activity-card-img {
            position: relative;
            overflow: hidden;
            height: 220px;
        }
        .activity-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .activity-card:hover .activity-card-img img {
            transform: scale(1.05);
        }
        .activity-card-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(2, 6, 23, 0.9), transparent 55%);
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1rem 1.15rem;
            background: var(--bg-dark);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            transition: all 0.3s ease;
        }
        .rank-item:hover {
            border-color: rgba(245, 158, 11, 0.35);
            background: rgba(30, 41, 59, 0.85);
            transform: translateX(4px);
        }
        .rank-num {
            width: 2.25rem;
            height: 2.25rem;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 0.7rem;
            font-size: 0.9rem;
            font-weight: 800;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-sub);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .rank-num.top {
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
            color: #0f172a;
            border: none;
            box-shadow: 0 6px 16px -6px rgba(245, 158, 11, 0.5);
        }
        .step-card {
            position: relative;
            background: var(--bg-dark);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 1.75rem 1.5rem;
            text-align: center;
            transition: all 0.35s ease;
        }
        .step-card:hover {
            transform: translateY(-5px);
            border-color: rgba(245, 158, 11, 0.3);
            box-shadow: var(--shadow-card);
        }
        .step-icon {
            width: 3.25rem;
            height: 3.25rem;
            margin: 0 auto 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 1rem;
            background: linear-gradient(135deg, rgba(245, 158, 11, 0.18), rgba(245, 158, 11, 0.08));
            color: #fbbf24;
            font-size: 1.25rem;
            border: 1px solid rgba(245, 158, 11, 0.22);
        }
        .faq-item {
            background: var(--bg-dark);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 1.25rem 1.5rem;
            transition: all 0.3s ease;
        }
        .faq-item:hover {
            border-color: rgba(245, 158, 11, 0.3);
        }
        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            font-weight: 600;
            color: #e2e8f0;
            font-size: 1rem;
        }
        .faq-q i {
            color: #fbbf24;
            font-size: 0.85rem;
            opacity: 0.8;
        }
        .faq-a {
            margin-top: 0.85rem;
            color: var(--text-sub);
            font-size: 0.9rem;
            line-height: 1.7;
            border-top: 1px dashed rgba(255, 255, 255, 0.08);
            padding-top: 0.85rem;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #fff;
            line-height: 1.25;
        }
        .section-subtitle {
            color: var(--text-sub);
            font-size: 1rem;
            max-width: 620px;
        }
        .banner-section {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            isolation: isolate;
        }
        .banner-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(2, 6, 23, 0.95) 30%, rgba(2, 6, 23, 0.75) 65%, rgba(2, 6, 23, 0.5));
            z-index: -1;
        }
        .banner-section::after {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 80% 30%, rgba(245, 158, 11, 0.12), transparent 55%);
            z-index: -1;
        }
        .stat-card {
            background: rgba(15, 23, 42, 0.75);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: 1rem;
            padding: 1.35rem 1.25rem;
            text-align: center;
            backdrop-filter: blur(8px);
            transition: all 0.3s ease;
        }
        .stat-card:hover {
            border-color: rgba(245, 158, 11, 0.3);
            transform: translateY(-4px);
        }
        .cta-section {
            position: relative;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            isolation: isolate;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(2, 6, 23, 0.95), rgba(2, 6, 23, 0.82));
            z-index: -1;
        }
        .footer-link {
            color: var(--text-sub);
            transition: color 0.25s ease;
        }
        .footer-link:hover {
            color: #fbbf24;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }
            .activity-card-img {
                height: 180px;
            }
        }
        @media (max-width: 520px) {
            .section-title {
                font-size: 1.4rem;
            }
            .container-site {
                padding-left: 0.85rem;
                padding-right: 0.85rem;
            }
            .badge-tag {
                font-size: 0.7rem;
                padding: 0.2rem 0.6rem;
            }
            .btn-primary,
            .btn-secondary {
                padding: 0.7rem 1.4rem;
                font-size: 0.88rem;
            }
        }
        @media (max-width: 640px) {
            .nav-link {
                padding: 0.5rem 0.8rem;
                font-size: 0.85rem;
            }
        }