/* roulang page: index */
:root {
            --color-primary: #1e3a5f;
            --color-primary-light: #2d5a8a;
            --color-primary-dark: #152642;
            --color-accent: #f59e0b;
            --color-accent-light: #fbbf24;
            --color-accent-dark: #d97706;
            --color-bg: #f9fafb;
            --color-bg-alt: #f3f4f6;
            --color-text: #1f2937;
            --color-text-light: #6b7280;
            --color-text-lighter: #9ca3af;
            --color-border: #e5e7eb;
            --color-border-light: #f3f4f6;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
            --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
            --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.5rem;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            padding: 0;
            font-family: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        .container-narrow {
            max-width: 900px;
        }
        .section-padding {
            padding: 5rem 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 3rem 0;
            }
        }
        @media (max-width: 520px) {
            .section-padding {
                padding: 2.5rem 0;
            }
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255,255,255,0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .nav-link {
            position: relative;
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--color-text);
            padding: 0.5rem 0.25rem;
            transition: color var(--transition);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
            transition: width var(--transition);
        }
        .nav-link:hover {
            color: var(--color-primary);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--color-primary);
        }
        .nav-link.active::after {
            width: 100%;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.625rem 1.5rem;
            font-weight: 600;
            font-size: 0.95rem;
            color: #fff;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            border: none;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: transform var(--transition), box-shadow var(--transition);
            box-shadow: 0 4px 14px rgba(30,58,95,0.25);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(30,58,95,0.35);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(30,58,95,0.2);
        }
        .btn-primary:focus-visible {
            outline: 3px solid var(--color-accent-light);
            outline-offset: 2px;
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.625rem 1.5rem;
            font-weight: 600;
            font-size: 0.95rem;
            color: #1f2937;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
            border: none;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: transform var(--transition), box-shadow var(--transition);
            box-shadow: 0 4px 14px rgba(245,158,11,0.3);
        }
        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(245,158,11,0.4);
        }
        .btn-accent:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(245,158,11,0.2);
        }
        .btn-accent:focus-visible {
            outline: 3px solid var(--color-primary-light);
            outline-offset: 2px;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.625rem 1.5rem;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-primary);
            background: transparent;
            border: 2px solid var(--color-primary);
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: background var(--transition), color var(--transition), transform var(--transition);
        }
        .btn-outline:hover {
            background: var(--color-primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-outline:focus-visible {
            outline: 3px solid var(--color-accent-light);
            outline-offset: 2px;
        }

        /* Search */
        .search-input {
            padding: 0.5rem 1rem 0.5rem 2.5rem;
            border: 1px solid var(--color-border);
            border-radius: 9999px;
            background: var(--color-bg-alt);
            font-size: 0.9rem;
            color: var(--color-text);
            transition: border-color var(--transition), box-shadow var(--transition);
            width: 100%;
        }
        .search-input:focus {
            outline: none;
            border-color: var(--color-primary-light);
            box-shadow: 0 0 0 3px rgba(30,58,95,0.1);
        }
        .search-input::placeholder {
            color: var(--color-text-lighter);
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(15,28,51,0.92), rgba(30,58,95,0.88)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            color: #fff;
            overflow: hidden;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 6rem;
            background: linear-gradient(to top, var(--color-bg), transparent);
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.375rem 1rem;
            background: rgba(245,158,11,0.2);
            border: 1px solid rgba(245,158,11,0.3);
            border-radius: 9999px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-accent-light);
        }
        .hero-title {
            font-size: clamp(2.2rem, 6vw, 4rem);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.02em;
        }
        .hero-subtitle {
            font-size: clamp(1rem, 2.5vw, 1.25rem);
            line-height: 1.7;
            color: rgba(255,255,255,0.8);
            max-width: 600px;
        }

        /* Card */
        .card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: transform var(--transition), box-shadow var(--transition);
            overflow: hidden;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .card-body {
            padding: 1.5rem;
        }
        .card-tag {
            display: inline-block;
            padding: 0.2rem 0.75rem;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-primary);
            background: rgba(30,58,95,0.08);
            border-radius: 9999px;
            letter-spacing: 0.02em;
        }
        .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            line-height: 1.4;
            margin: 0.5rem 0 0.25rem;
            color: var(--color-text);
        }
        .card-text {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
        }

        /* Feature card */
        .feature-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 2rem 1.75rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: transform var(--transition), box-shadow var(--transition);
            text-align: center;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .feature-icon {
            width: 4rem;
            height: 4rem;
            margin: 0 auto 1.25rem;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, rgba(30,58,95,0.08), rgba(30,58,95,0.03));
            font-size: 1.75rem;
            color: var(--color-primary);
            transition: background var(--transition), transform var(--transition);
        }
        .feature-card:hover .feature-icon {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            color: #fff;
            transform: scale(1.05);
        }

        /* Stat */
        .stat-number {
            font-size: clamp(2.2rem, 5vw, 3.2rem);
            font-weight: 800;
            line-height: 1.1;
            color: var(--color-primary);
        }
        .stat-label {
            font-size: 0.95rem;
            color: var(--color-text-light);
            font-weight: 500;
        }

        /* Steps */
        .step-item {
            display: flex;
            gap: 1.25rem;
            align-items: flex-start;
        }
        .step-number {
            flex-shrink: 0;
            width: 2.75rem;
            height: 2.75rem;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid var(--color-border);
        }
        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.25rem 0;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-question:focus-visible {
            outline: 3px solid var(--color-accent-light);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .faq-question i {
            transition: transform var(--transition);
            color: var(--color-text-lighter);
        }
        .faq-question.open i {
            transform: rotate(180deg);
            color: var(--color-primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 0;
            color: var(--color-text-light);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-answer.open {
            max-height: 300px;
            padding: 0 0 1.25rem;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark)), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            background-blend-mode: overlay;
            color: #fff;
            border-radius: var(--radius-xl);
            padding: 4rem 3rem;
            text-align: center;
        }
        .cta-section h2 {
            font-size: clamp(1.8rem, 4vw, 2.5rem);
            font-weight: 800;
        }
        .cta-section p {
            color: rgba(255,255,255,0.8);
            max-width: 600px;
            margin: 0.75rem auto 2rem;
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(255,255,255,0.7);
            padding: 4rem 0 2rem;
        }
        .site-footer a {
            color: rgba(255,255,255,0.6);
            transition: color var(--transition);
        }
        .site-footer a:hover {
            color: var(--color-accent-light);
        }
        .footer-logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
        }
        .footer-link {
            display: inline-block;
            padding: 0.25rem 0;
            font-size: 0.9rem;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 1.5rem;
            margin-top: 2.5rem;
            text-align: center;
            font-size: 0.85rem;
        }

        /* Mobile nav */
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            cursor: pointer;
            padding: 0.25rem;
        }
        .mobile-menu-btn:focus-visible {
            outline: 3px solid var(--color-accent-light);
            outline-offset: 2px;
            border-radius: 4px;
        }
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
            .nav-desktop {
                display: none;
            }
            .nav-mobile {
                display: block;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(255,255,255,0.98);
                backdrop-filter: blur(12px);
                border-bottom: 1px solid var(--color-border);
                padding: 1rem 1.25rem;
                box-shadow: var(--shadow-lg);
            }
            .nav-mobile .nav-link {
                display: block;
                padding: 0.75rem 0;
                border-bottom: 1px solid var(--color-border-light);
            }
            .nav-mobile .nav-link:last-child {
                border-bottom: none;
            }
            .nav-mobile .btn-primary,
            .nav-mobile .btn-accent {
                width: 100%;
                justify-content: center;
                margin-top: 0.5rem;
            }
            .search-desktop {
                display: none;
            }
            .search-mobile {
                display: block;
                margin-bottom: 1rem;
            }
            .hero-section {
                min-height: 70vh;
            }
            .cta-section {
                padding: 2.5rem 1.5rem;
                border-radius: var(--radius-lg);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }
        @media (min-width: 769px) {
            .nav-mobile {
                display: none !important;
            }
            .search-mobile {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .section-padding {
                padding: 2rem 0;
            }
            .card-img {
                height: 160px;
            }
            .feature-card {
                padding: 1.5rem 1.25rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

        /* Skeleton / empty state */
        .empty-state {
            text-align: center;
            padding: 3rem 1rem;
            color: var(--color-text-lighter);
        }
        .empty-state i {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            opacity: 0.5;
        }

        /* Misc */
        .section-label {
            display: inline-block;
            padding: 0.25rem 1rem;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-accent-dark);
            background: rgba(245,158,11,0.1);
            border-radius: 9999px;
            letter-spacing: 0.04em;
            margin-bottom: 0.75rem;
        }
        .gradient-text {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .bg-soft-primary {
            background: rgba(30,58,95,0.04);
        }
        .border-soft {
            border: 1px solid var(--color-border-light);
        }
        .shadow-hover {
            transition: box-shadow var(--transition);
        }
        .shadow-hover:hover {
            box-shadow: var(--shadow-md);
        }
        .grid-gap {
            gap: 1.5rem;
        }
        @media (min-width: 768px) {
            .grid-gap {
                gap: 2rem;
            }
        }

        /* CMS list specific */
        .cms-list-item {
            display: flex;
            gap: 1.25rem;
            padding: 1.25rem 0;
            border-bottom: 1px solid var(--color-border-light);
            align-items: flex-start;
        }
        .cms-list-item:last-child {
            border-bottom: none;
        }
        .cms-list-img {
            width: 100px;
            height: 72px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }
        .cms-list-content {
            flex: 1;
            min-width: 0;
        }
        .cms-list-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition);
        }
        .cms-list-title:hover {
            color: var(--color-primary);
        }
        .cms-list-meta {
            font-size: 0.8rem;
            color: var(--color-text-lighter);
            margin-top: 0.3rem;
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
        }
        .cms-list-meta span {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
        }
        .cms-list-desc {
            font-size: 0.875rem;
            color: var(--color-text-light);
            margin-top: 0.3rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        @media (max-width: 520px) {
            .cms-list-item {
                flex-direction: column;
                gap: 0.75rem;
            }
            .cms-list-img {
                width: 100%;
                height: 160px;
            }
        }

/* roulang page: article */
:root {
            --brand-500: #1e40af;
            --brand-600: #1e3a8a;
            --accent-400: #f59e0b;
            --accent-500: #d97706;
            --bg-body: #f8fafc;
            --text-body: #1e293b;
            --text-muted: #64748b;
            --border-light: #e2e8f0;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-card: 0 4px 24px rgba(0,0,0,0.06);
            --shadow-hover: 0 12px 40px rgba(0,0,0,0.10);
            --transition: all 0.25s ease;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: 'Inter', system-ui, -apple-system, sans-serif; background: var(--bg-body); color: var(--text-body); line-height: 1.6; -webkit-font-smoothing: antialiased; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        img { max-width: 100%; height: auto; display: block; }
        button { cursor: pointer; font-family: inherit; }
        input { font-family: inherit; }

        .site-header { background: #ffffff; border-bottom: 1px solid var(--border-light); position: sticky; top: 0; z-index: 50; backdrop-filter: blur(8px); background: rgba(255,255,255,0.96); }
        .nav-link { font-size: 0.95rem; font-weight: 500; padding: 6px 0; color: var(--text-muted); border-bottom: 2px solid transparent; transition: var(--transition); }
        .nav-link:hover { color: var(--brand-500); border-bottom-color: var(--accent-400); }
        .nav-link.active { color: var(--brand-500); border-bottom-color: var(--accent-500); font-weight: 600; }
        .search-input { background: #f1f5f9; border: 1px solid transparent; border-radius: 30px; padding: 8px 14px 8px 36px; font-size: 0.9rem; outline: none; transition: var(--transition); }
        .search-input:focus { border-color: var(--accent-400); background: #ffffff; box-shadow: 0 0 0 3px rgba(245,158,11,0.15); }
        .btn-primary { display: inline-flex; align-items: center; gap: 6px; background: linear-gradient(135deg, var(--accent-400), var(--accent-500)); color: #fff; font-weight: 600; border-radius: 30px; padding: 10px 24px; border: none; transition: var(--transition); box-shadow: 0 4px 14px rgba(217,119,6,0.25); }
        .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(217,119,6,0.35); }
        .btn-primary:active { transform: scale(0.97); }
        .btn-outline { display: inline-flex; align-items: center; gap: 6px; border: 2px solid var(--accent-400); color: var(--accent-500); font-weight: 600; border-radius: 30px; padding: 8px 22px; background: transparent; transition: var(--transition); }
        .btn-outline:hover { background: var(--accent-400); color: #fff; }
        .mobile-menu-btn { display: none; background: none; border: none; font-size: 1.5rem; color: var(--text-body); padding: 4px; }
        .nav-mobile { display: none; flex-direction: column; gap: 10px; padding: 16px 20px 20px; background: #fff; border-top: 1px solid var(--border-light); }
        .nav-mobile .nav-link { padding: 10px 0; font-size: 1.05rem; border-bottom: 1px solid var(--border-light); }
        .search-mobile { margin-bottom: 8px; }

        .article-hero { background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%); padding: 60px 0 50px; position: relative; overflow: hidden; }
        .article-hero::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') center/cover no-repeat; opacity: 0.12; }
        .article-hero h1 { font-size: 2.2rem; line-height: 1.3; color: #fff; max-width: 900px; position: relative; }
        .article-meta { display: flex; flex-wrap: wrap; gap: 16px 28px; margin-top: 18px; color: rgba(255,255,255,0.7); font-size: 0.95rem; position: relative; }
        .article-meta .badge { background: var(--accent-500); color: #fff; padding: 2px 14px; border-radius: 30px; font-size: 0.8rem; font-weight: 600; }

        .article-body { padding: 50px 0 60px; }
        .article-content { background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-card); padding: 40px 44px; max-width: 860px; margin: 0 auto; }
        .article-content .featured-image { border-radius: var(--radius-md); overflow: hidden; margin-bottom: 30px; }
        .article-content .featured-image img { width: 100%; height: auto; max-height: 480px; object-fit: cover; }
        .article-text { font-size: 1.05rem; line-height: 1.85; color: #334155; }
        .article-text p { margin-bottom: 1.2em; }
        .article-text h2 { font-size: 1.5rem; font-weight: 700; margin: 1.8em 0 0.8em; color: #0f172a; }
        .article-text h3 { font-size: 1.2rem; font-weight: 600; margin: 1.4em 0 0.6em; color: #1e293b; }
        .article-text ul, .article-text ol { padding-left: 1.6em; margin-bottom: 1.2em; }
        .article-text li { margin-bottom: 0.4em; }
        .article-text a { color: var(--brand-500); text-decoration: underline; }
        .article-text a:hover { color: var(--accent-500); }
        .article-text blockquote { border-left: 4px solid var(--accent-400); background: #fefce8; padding: 16px 22px; border-radius: 0 var(--radius-md) var(--radius-md) 0; margin: 1.4em 0; color: #4b5563; }
        .article-text code { background: #f1f5f9; padding: 2px 10px; border-radius: 6px; font-size: 0.9em; }
        .article-text img { border-radius: var(--radius-md); margin: 1.2em 0; }

        .article-nav { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; margin-top: 40px; padding-top: 30px; border-top: 1px solid var(--border-light); }
        .article-nav a { display: inline-flex; align-items: center; gap: 8px; color: var(--brand-500); font-weight: 500; transition: var(--transition); }
        .article-nav a:hover { color: var(--accent-500); gap: 12px; }

        .not-found { text-align: center; padding: 80px 20px; background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-card); max-width: 600px; margin: 40px auto; }
        .not-found i { font-size: 4rem; color: var(--accent-400); margin-bottom: 20px; }
        .not-found h2 { font-size: 1.6rem; font-weight: 700; margin-bottom: 12px; color: #0f172a; }
        .not-found p { color: var(--text-muted); margin-bottom: 24px; }

        .related-section { background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-card); padding: 36px 40px; max-width: 860px; margin: 40px auto 0; }
        .related-section h3 { font-size: 1.3rem; font-weight: 700; color: #0f172a; margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }
        .related-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
        .related-card { display: flex; align-items: center; gap: 14px; padding: 14px 18px; background: var(--bg-body); border-radius: var(--radius-md); transition: var(--transition); border: 1px solid transparent; }
        .related-card:hover { background: #fff; border-color: var(--accent-400); transform: translateX(4px); box-shadow: 0 4px 12px rgba(0,0,0,0.05); }
        .related-card img { width: 72px; height: 52px; object-fit: cover; border-radius: 8px; flex-shrink: 0; }
        .related-card .r-title { font-size: 0.95rem; font-weight: 600; color: #1e293b; line-height: 1.4; }
        .related-card .r-meta { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }

        .site-footer { background: #0f172a; color: rgba(255,255,255,0.7); padding: 50px 0 30px; margin-top: 60px; }
        .footer-logo { font-size: 1.3rem; font-weight: 700; color: #fff; }
        .footer-link { display: block; color: rgba(255,255,255,0.55); font-size: 0.9rem; padding: 3px 0; transition: var(--transition); }
        .footer-link:hover { color: var(--accent-400); padding-left: 4px; }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); margin-top: 32px; padding-top: 22px; text-align: center; font-size: 0.85rem; color: rgba(255,255,255,0.35); }

        @media (max-width: 1024px) {
            .article-content { padding: 30px 28px; }
            .article-hero h1 { font-size: 1.8rem; }
            .related-grid { grid-template-columns: 1fr; }
        }
        @media (max-width: 768px) {
            .nav-desktop { display: none !important; }
            .mobile-menu-btn { display: block; }
            .nav-mobile:not(.hidden) { display: flex; }
            .article-hero { padding: 40px 0 36px; }
            .article-hero h1 { font-size: 1.4rem; }
            .article-content { padding: 24px 18px; }
            .article-text { font-size: 1rem; }
            .article-meta { flex-direction: column; gap: 8px; }
            .related-section { padding: 24px 18px; }
            .site-footer .grid { gap: 24px; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 14px; }
            .article-hero h1 { font-size: 1.2rem; }
            .article-content { padding: 18px 12px; border-radius: var(--radius-md); }
            .article-nav { flex-direction: column; align-items: flex-start; }
            .related-card { flex-direction: column; align-items: flex-start; }
            .related-card img { width: 100%; height: 120px; }
            .btn-primary { width: 100%; justify-content: center; }
        }
        .hidden { display: none !important; }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --brand-50: #eef5ff;
            --brand-100: #d9e8ff;
            --brand-200: #bcd4ff;
            --brand-300: #8eb8ff;
            --brand-400: #5a93ff;
            --brand-500: #1a5cbf;
            --brand-600: #144a9e;
            --brand-700: #0f3a7a;
            --brand-800: #0b2b5c;
            --brand-900: #071d3d;
            --accent-50: #fef7e6;
            --accent-100: #fdedc2;
            --accent-200: #fbe08a;
            --accent-300: #f9cf4d;
            --accent-400: #f5b820;
            --accent-500: #d99a0a;
            --accent-600: #b37a06;
            --accent-700: #8c5e04;
            --accent-800: #664302;
            --accent-900: #402a01;
            --gray-50: #f9fafb;
            --gray-100: #f3f4f6;
            --gray-200: #e5e7eb;
            --gray-300: #d1d5db;
            --gray-400: #9ca3af;
            --gray-500: #6b7280;
            --gray-600: #4b5563;
            --gray-700: #374151;
            --gray-800: #1f2937;
            --gray-900: #111827;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.12);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--gray-800);
            background: #ffffff;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
            transition: var(--transition);
        }
        input:focus-visible,
        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--brand-400);
            outline-offset: 2px;
        }
        ul,
        ol {
            list-style: none;
        }

        /* ===== Container ===== */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        @media (min-width: 768px) {
            .container {
                padding-left: 32px;
                padding-right: 32px;
            }
        }
        @media (min-width: 1280px) {
            .container {
                padding-left: 48px;
                padding-right: 48px;
            }
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(229, 231, 235, 0.6);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
            transition: var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
            background: rgba(255, 255, 255, 0.98);
        }
        .nav-desktop {
            display: none;
        }
        @media (min-width: 768px) {
            .nav-desktop {
                display: flex;
            }
        }
        .nav-link {
            position: relative;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--gray-600);
            padding: 0.4rem 0.2rem;
            transition: var(--transition);
            letter-spacing: 0.01em;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2.5px;
            background: var(--brand-500);
            border-radius: 4px;
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--brand-600);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--brand-700);
            font-weight: 600;
        }
        .nav-link.active::after {
            width: 100%;
            background: var(--brand-500);
        }
        .search-input {
            background: var(--gray-100);
            border: 1px solid transparent;
            border-radius: 999px;
            padding: 0.5rem 1rem 0.5rem 2.4rem;
            font-size: 0.875rem;
            color: var(--gray-700);
            transition: var(--transition);
        }
        .search-input:focus {
            background: #ffffff;
            border-color: var(--brand-300);
            box-shadow: 0 0 0 4px rgba(26, 92, 191, 0.08);
        }
        .search-input::placeholder {
            color: var(--gray-400);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--brand-500);
            color: #ffffff;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.6rem 1.4rem;
            border-radius: 999px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 2px 8px rgba(26, 92, 191, 0.25);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--brand-600);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(26, 92, 191, 0.32);
        }
        .btn-primary:active {
            transform: translateY(0px);
            box-shadow: 0 2px 8px rgba(26, 92, 191, 0.25);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            color: var(--brand-600);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.6rem 1.4rem;
            border-radius: 999px;
            border: 2px solid var(--brand-300);
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-secondary:hover {
            background: var(--brand-50);
            border-color: var(--brand-400);
            transform: translateY(-1px);
        }
        .btn-secondary:active {
            transform: translateY(0px);
        }
        .mobile-menu-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--gray-100);
            color: var(--gray-700);
            font-size: 1.2rem;
            cursor: pointer;
            transition: var(--transition);
            border: none;
        }
        .mobile-menu-btn:hover {
            background: var(--gray-200);
        }
        @media (min-width: 768px) {
            .mobile-menu-btn {
                display: none;
            }
        }
        .nav-mobile {
            padding: 1.2rem 1.5rem 1.8rem;
            background: #ffffff;
            border-top: 1px solid var(--gray-200);
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .nav-mobile .nav-link {
            font-size: 1.05rem;
            padding: 0.6rem 0;
        }
        .search-mobile {
            margin-bottom: 0.5rem;
        }

        /* ===== Hero / Page Banner ===== */
        .page-hero {
            position: relative;
            padding: 7rem 0 4rem;
            min-height: 320px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center center;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(7, 29, 61, 0.85) 0%, rgba(15, 58, 122, 0.70) 60%, rgba(26, 92, 191, 0.50) 100%);
            z-index: 1;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .page-hero h1 {
            font-size: clamp(1.8rem, 5vw, 3.2rem);
            font-weight: 800;
            color: #ffffff;
            line-height: 1.2;
            letter-spacing: -0.02em;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
        }
        .page-hero .hero-sub {
            font-size: clamp(1rem, 2vw, 1.2rem);
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin-top: 0.8rem;
            line-height: 1.6;
        }
        .page-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.70);
            margin-bottom: 1.2rem;
            flex-wrap: wrap;
        }
        .page-hero .breadcrumb a {
            color: rgba(255, 255, 255, 0.80);
        }
        .page-hero .breadcrumb a:hover {
            color: #ffffff;
        }
        .page-hero .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.40);
        }

        /* ===== Section Spacing ===== */
        .section-block {
            padding: 4rem 0;
        }
        @media (min-width: 768px) {
            .section-block {
                padding: 5.5rem 0;
            }
        }
        .section-title {
            font-size: clamp(1.4rem, 3.5vw, 2rem);
            font-weight: 700;
            color: var(--gray-900);
            line-height: 1.25;
            letter-spacing: -0.01em;
            margin-bottom: 0.6rem;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--gray-500);
            max-width: 640px;
            line-height: 1.6;
        }
        .section-header {
            margin-bottom: 2.5rem;
        }
        @media (min-width: 768px) {
            .section-header {
                margin-bottom: 3.5rem;
            }
        }

        /* ===== Cards ===== */
        .card-base {
            background: #ffffff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-100);
            transition: var(--transition);
            overflow: hidden;
        }
        .card-base:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--gray-200);
        }
        .card-image {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }
        .card-body {
            padding: 1.5rem;
        }
        .card-body .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--gray-900);
            margin-bottom: 0.5rem;
            line-height: 1.3;
        }
        .card-body .card-text {
            font-size: 0.9rem;
            color: var(--gray-500);
            line-height: 1.6;
        }
        .badge {
            display: inline-block;
            padding: 0.2rem 0.8rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            background: var(--brand-50);
            color: var(--brand-600);
            letter-spacing: 0.02em;
        }
        .badge-accent {
            background: var(--accent-50);
            color: var(--accent-600);
        }
        .badge-green {
            background: #ecfdf5;
            color: #065f46;
        }

        /* ===== Step / Timeline ===== */
        .step-card {
            display: flex;
            gap: 1.2rem;
            align-items: flex-start;
            padding: 1.5rem;
            background: #ffffff;
            border-radius: var(--radius-md);
            border: 1px solid var(--gray-100);
            transition: var(--transition);
        }
        .step-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--gray-200);
        }
        .step-number {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            color: #ffffff;
            background: var(--brand-500);
            box-shadow: 0 4px 12px rgba(26, 92, 191, 0.25);
        }
        .step-content h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--gray-900);
            margin-bottom: 0.25rem;
        }
        .step-content p {
            font-size: 0.9rem;
            color: var(--gray-500);
            line-height: 1.6;
        }

        /* ===== Icon Feature ===== */
        .icon-feature {
            text-align: center;
            padding: 1.8rem 1.2rem;
            background: #ffffff;
            border-radius: var(--radius-md);
            border: 1px solid var(--gray-100);
            transition: var(--transition);
        }
        .icon-feature:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--gray-200);
        }
        .icon-feature .icon-wrap {
            width: 64px;
            height: 64px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            font-size: 1.6rem;
            color: #ffffff;
            background: var(--brand-500);
            box-shadow: 0 6px 16px rgba(26, 92, 191, 0.20);
            transition: var(--transition);
        }
        .icon-feature:hover .icon-wrap {
            transform: scale(1.05);
            box-shadow: 0 8px 24px rgba(26, 92, 191, 0.30);
        }
        .icon-feature h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--gray-900);
            margin-bottom: 0.4rem;
        }
        .icon-feature p {
            font-size: 0.88rem;
            color: var(--gray-500);
            line-height: 1.6;
        }

        /* ===== Notice Block ===== */
        .notice-block {
            background: var(--brand-50);
            border-left: 5px solid var(--brand-500);
            border-radius: var(--radius-sm);
            padding: 1.5rem 2rem;
            margin: 1.5rem 0;
        }
        .notice-block h5 {
            font-weight: 600;
            color: var(--brand-800);
            margin-bottom: 0.4rem;
        }
        .notice-block p,
        .notice-block li {
            font-size: 0.9rem;
            color: var(--gray-600);
            line-height: 1.7;
        }
        .notice-block ul {
            list-style: disc;
            padding-left: 1.4rem;
            margin-top: 0.3rem;
        }

        /* ===== FAQ ===== */
        .faq-item {
            border-bottom: 1px solid var(--gray-200);
            padding: 1.2rem 0;
        }
        .faq-item:first-child {
            padding-top: 0;
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--gray-800);
            padding: 0.4rem 0;
            transition: var(--transition);
            gap: 1rem;
        }
        .faq-question:hover {
            color: var(--brand-600);
        }
        .faq-question .icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--gray-100);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--gray-500);
            transition: var(--transition);
        }
        .faq-question.open .icon {
            background: var(--brand-100);
            color: var(--brand-600);
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 0.5rem 0 0;
            font-size: 0.9rem;
            color: var(--gray-500);
            line-height: 1.7;
        }
        .faq-answer.open {
            max-height: 300px;
            padding: 0.8rem 0.5rem 0.4rem 0;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--brand-800) 0%, var(--brand-600) 100%);
            padding: 4rem 0;
            text-align: center;
            border-radius: var(--radius-lg);
            margin: 2rem 0;
        }
        .cta-section h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.8rem;
        }
        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.80);
            max-width: 560px;
            margin: 0 auto 1.8rem;
            line-height: 1.6;
        }
        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            background: #ffffff;
            color: var(--brand-700);
            font-weight: 700;
            font-size: 1rem;
            padding: 0.8rem 2.4rem;
            border-radius: 999px;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.15);
            transition: var(--transition);
        }
        .cta-section .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(0, 0, 0, 0.22);
            background: var(--gray-50);
        }
        .cta-section .btn-cta:active {
            transform: translateY(0px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--gray-900);
            color: rgba(255, 255, 255, 0.65);
            padding: 3.5rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: #ffffff;
        }
        .footer-link {
            display: block;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
            padding: 0.25rem 0;
            transition: var(--transition);
        }
        .footer-link:hover {
            color: #ffffff;
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.35);
        }

        /* ===== Responsive ===== */
        @media (max-width: 767px) {
            .page-hero {
                padding: 5.5rem 0 3rem;
                min-height: 240px;
            }
            .card-body {
                padding: 1.2rem;
            }
            .step-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.8rem;
            }
            .step-number {
                width: 36px;
                height: 36px;
                font-size: 0.95rem;
            }
            .icon-feature .icon-wrap {
                width: 52px;
                height: 52px;
                font-size: 1.3rem;
            }
            .cta-section {
                padding: 2.8rem 1.5rem;
                border-radius: var(--radius-md);
            }
            .notice-block {
                padding: 1.2rem 1.2rem;
            }
            .faq-question {
                font-size: 0.95rem;
            }
            .site-footer {
                padding: 2.5rem 0 1rem;
            }
        }
        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.5rem;
            }
            .page-hero .hero-sub {
                font-size: 0.9rem;
            }
            .section-block {
                padding: 2.5rem 0;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== Tailwind Extend ===== */
        .text-brand-500 {
            color: var(--brand-500);
        }
        .text-brand-600 {
            color: var(--brand-600);
        }
        .text-brand-700 {
            color: var(--brand-700);
        }
        .text-accent-400 {
            color: var(--accent-400);
        }
        .text-accent-500 {
            color: var(--accent-500);
        }
        .bg-brand-50 {
            background: var(--brand-50);
        }
        .bg-brand-500 {
            background: var(--brand-500);
        }
        .bg-brand-600 {
            background: var(--brand-600);
        }
        .bg-brand-700 {
            background: var(--brand-700);
        }
        .bg-accent-50 {
            background: var(--accent-50);
        }
        .border-brand-200 {
            border-color: var(--brand-200);
        }
        .border-brand-300 {
            border-color: var(--brand-300);
        }
        .hover\:shadow-lg:hover {
            box-shadow: var(--shadow-lg);
        }
        .transition {
            transition: var(--transition);
        }
        .rounded-xl {
            border-radius: var(--radius-xl);
        }
        .shadow-md {
            box-shadow: var(--shadow-md);
        }
        .shadow-lg {
            box-shadow: var(--shadow-lg);
        }
        .gap-1 {
            gap: 0.25rem;
        }
        .gap-2 {
            gap: 0.5rem;
        }
        .gap-3 {
            gap: 0.75rem;
        }
        .gap-4 {
            gap: 1rem;
        }
        .gap-6 {
            gap: 1.5rem;
        }
        .gap-8 {
            gap: 2rem;
        }
        .grid {
            display: grid;
        }
        .grid-cols-1 {
            grid-template-columns: repeat(1, 1fr);
        }
        .grid-cols-2 {
            grid-template-columns: repeat(2, 1fr);
        }
        .md\:grid-cols-2 {
            @media (min-width: 768px) {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        .md\:grid-cols-3 {
            @media (min-width: 768px) {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .md\:grid-cols-4 {
            @media (min-width: 768px) {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        .md\:col-span-2 {
            @media (min-width: 768px) {
                grid-column: span 2;
            }
        }
        .flex {
            display: flex;
        }
        .flex-col {
            flex-direction: column;
        }
        .items-center {
            align-items: center;
        }
        .items-start {
            align-items: flex-start;
        }
        .justify-between {
            justify-content: space-between;
        }
        .justify-center {
            justify-content: center;
        }
        .shrink-0 {
            flex-shrink: 0;
        }
        .h-16 {
            height: 4rem;
        }
        .md\:h-18 {
            @media (min-width: 768px) {
                height: 4.5rem;
            }
        }
        .w-40 {
            width: 10rem;
        }
        .lg\:w-48 {
            @media (min-width: 1024px) {
                width: 12rem;
            }
        }
        .w-full {
            width: 100%;
        }
        .max-w-md {
            max-width: 28rem;
        }
        .max-w-2xl {
            max-width: 42rem;
        }
        .mx-auto {
            margin-left: auto;
            margin-right: auto;
        }
        .text-center {
            text-align: center;
        }
        .text-sm {
            font-size: 0.875rem;
        }
        .text-xs {
            font-size: 0.75rem;
        }
        .text-xl {
            font-size: 1.25rem;
        }
        .text-2xl {
            font-size: 1.5rem;
        }
        .font-bold {
            font-weight: 700;
        }
        .font-semibold {
            font-weight: 600;
        }
        .font-medium {
            font-weight: 500;
        }
        .leading-relaxed {
            line-height: 1.7;
        }
        .tracking-wider {
            letter-spacing: 0.05em;
        }
        .text-white {
            color: #ffffff;
        }
        .text-white\/50 {
            color: rgba(255, 255, 255, 0.5);
        }
        .text-white\/80 {
            color: rgba(255, 255, 255, 0.8);
        }
        .text-gray-400 {
            color: var(--gray-400);
        }
        .text-gray-500 {
            color: var(--gray-500);
        }
        .text-gray-600 {
            color: var(--gray-600);
        }
        .text-gray-700 {
            color: var(--gray-700);
        }
        .text-gray-800 {
            color: var(--gray-800);
        }
        .text-gray-900 {
            color: var(--gray-900);
        }
        .bg-white {
            background: #ffffff;
        }
        .bg-gray-50 {
            background: var(--gray-50);
        }
        .bg-gray-100 {
            background: var(--gray-100);
        }
        .bg-gray-900 {
            background: var(--gray-900);
        }
        .border {
            border: 1px solid var(--gray-200);
        }
        .border-t {
            border-top: 1px solid var(--gray-200);
        }
        .border-b {
            border-bottom: 1px solid var(--gray-200);
        }
        .rounded-lg {
            border-radius: var(--radius-lg);
        }
        .rounded-full {
            border-radius: 999px;
        }
        .p-4 {
            padding: 1rem;
        }
        .p-6 {
            padding: 1.5rem;
        }
        .px-4 {
            padding-left: 1rem;
            padding-right: 1rem;
        }
        .px-6 {
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        .py-2 {
            padding-top: 0.5rem;
            padding-bottom: 0.5rem;
        }
        .py-3 {
            padding-top: 0.75rem;
            padding-bottom: 0.75rem;
        }
        .py-12 {
            padding-top: 3rem;
            padding-bottom: 3rem;
        }
        .pt-4 {
            padding-top: 1rem;
        }
        .pb-4 {
            padding-bottom: 1rem;
        }
        .mb-2 {
            margin-bottom: 0.5rem;
        }
        .mb-3 {
            margin-bottom: 0.75rem;
        }
        .mb-4 {
            margin-bottom: 1rem;
        }
        .mb-6 {
            margin-bottom: 1.5rem;
        }
        .mb-8 {
            margin-bottom: 2rem;
        }
        .mt-2 {
            margin-top: 0.5rem;
        }
        .mt-3 {
            margin-top: 0.75rem;
        }
        .mt-4 {
            margin-top: 1rem;
        }
        .mt-6 {
            margin-top: 1.5rem;
        }
        .mt-8 {
            margin-top: 2rem;
        }
        .space-y-1>*+* {
            margin-top: 0.25rem;
        }
        .space-y-2>*+* {
            margin-top: 0.5rem;
        }
        .space-y-3>*+* {
            margin-top: 0.75rem;
        }
        .space-y-4>*+* {
            margin-top: 1rem;
        }
        .space-y-6>*+* {
            margin-top: 1.5rem;
        }
        .relative {
            position: relative;
        }
        .absolute {
            position: absolute;
        }
        .left-3 {
            left: 0.75rem;
        }
        .top-1\/2 {
            top: 50%;
        }
        .-translate-y-1\/2 {
            transform: translateY(-50%);
        }
        .pointer-events-none {
            pointer-events: none;
        }
        .hidden {
            display: none;
        }
        .block {
            display: block;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .gap-x-3 {
            column-gap: 0.75rem;
        }
        .gap-y-2 {
            row-gap: 0.5rem;
        }
        .list-disc {
            list-style: disc;
        }
        .list-inside {
            list-style-position: inside;
        }
        .object-cover {
            object-fit: cover;
        }
        .aspect-video {
            aspect-ratio: 16 / 9;
        }
        .aspect-\[16\/10\] {
            aspect-ratio: 16 / 10;
        }
        .row-span-2 {
            grid-row: span 2;
        }
        @media (min-width: 768px) {
            .md\:flex {
                display: flex;
            }
            .md\:hidden {
                display: none;
            }
            .md\:text-2xl {
                font-size: 1.5rem;
            }
            .md\:text-3xl {
                font-size: 1.875rem;
            }
            .md\:p-8 {
                padding: 2rem;
            }
            .md\:px-8 {
                padding-left: 2rem;
                padding-right: 2rem;
            }
            .md\:py-16 {
                padding-top: 4rem;
                padding-bottom: 4rem;
            }
            .md\:mb-0 {
                margin-bottom: 0;
            }
            .md\:w-auto {
                width: auto;
            }
            .md\:col-span-2 {
                grid-column: span 2;
            }
            .md\:col-span-3 {
                grid-column: span 3;
            }
            .md\:grid-cols-2 {
                grid-template-columns: repeat(2, 1fr);
            }
            .md\:grid-cols-3 {
                grid-template-columns: repeat(3, 1fr);
            }
            .md\:grid-cols-4 {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .lg\:grid-cols-3 {
                grid-template-columns: repeat(3, 1fr);
            }
            .lg\:grid-cols-4 {
                grid-template-columns: repeat(4, 1fr);
            }
            .lg\:w-48 {
                width: 12rem;
            }
        }