/* roulang page: index */
:root {
            --primary: #0a1f3d;
            --primary-light: #1a3a6b;
            --primary-dark: #050f1f;
            --secondary: #d4a843;
            --secondary-light: #e8c36a;
            --accent: #f5d68a;
            --bg-light: #f8f9fc;
            --bg-dark: #0a1f3d;
            --bg-card: #ffffff;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-muted: #7a7a9a;
            --text-light: #f8f9fc;
            --border-color: #e8e8f0;
            --border-radius-sm: 8px;
            --border-radius: 12px;
            --border-radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(10, 31, 61, 0.06);
            --shadow: 0 4px 24px rgba(10, 31, 61, 0.08);
            --shadow-lg: 0 12px 48px rgba(10, 31, 61, 0.12);
            --shadow-hover: 0 8px 40px rgba(10, 31, 61, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-family);
            font-size: 1rem;
            line-height: 1.6;
            color: var(--text-primary);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
            text-decoration: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            padding-left: 1.25rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-top: 0;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 1rem;
            }
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(10, 31, 61, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(212, 168, 67, 0.15);
            transition: var(--transition);
        }
        .site-header .navbar {
            padding: 0.5rem 0;
            min-height: 64px;
        }
        .site-header .navbar-brand {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-light) !important;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0;
        }
        .site-header .navbar-brand .brand-icon {
            color: var(--secondary);
            font-size: 1.6rem;
        }
        .site-header .navbar-brand:hover {
            color: var(--secondary-light) !important;
        }
        .site-header .nav-link {
            color: rgba(255, 255, 255, 0.8) !important;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.5rem 1rem !important;
            border-radius: var(--border-radius-sm);
            transition: var(--transition);
            position: relative;
        }
        .site-header .nav-link:hover,
        .site-header .nav-link:focus {
            color: var(--secondary-light) !important;
            background: rgba(212, 168, 67, 0.1);
        }
        .site-header .nav-link.active {
            color: var(--secondary) !important;
            background: rgba(212, 168, 67, 0.12);
        }
        .site-header .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 1rem;
            right: 1rem;
            height: 2px;
            background: var(--secondary);
            border-radius: 1px;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .header-actions .search-toggle {
            color: rgba(255, 255, 255, 0.7);
            background: none;
            border: none;
            font-size: 1.15rem;
            padding: 0.35rem 0.6rem;
            border-radius: var(--border-radius-sm);
            transition: var(--transition);
            cursor: pointer;
        }
        .header-actions .search-toggle:hover {
            color: var(--secondary-light);
            background: rgba(212, 168, 67, 0.1);
        }
        .header-actions .btn-cta-nav {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
            color: var(--primary-dark) !important;
            border: none;
            padding: 0.45rem 1.25rem;
            border-radius: var(--border-radius);
            font-weight: 700;
            font-size: 0.9rem;
            transition: var(--transition);
            box-shadow: 0 2px 12px rgba(212, 168, 67, 0.3);
        }
        .header-actions .btn-cta-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(212, 168, 67, 0.45);
            background: linear-gradient(135deg, var(--secondary-light), var(--secondary));
        }
        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.25);
            padding: 0.35rem 0.5rem;
            border-radius: var(--border-radius-sm);
            background: transparent;
            color: var(--text-light);
            font-size: 1.2rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .navbar-toggler:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        @media (max-width: 991.98px) {
            .site-header .navbar-collapse {
                background: rgba(10, 31, 61, 0.98);
                backdrop-filter: blur(16px);
                border-radius: var(--border-radius);
                padding: 1rem;
                margin-top: 0.5rem;
                border: 1px solid rgba(212, 168, 67, 0.1);
            }
            .site-header .nav-link.active::after {
                display: none;
            }
            .header-actions .btn-cta-nav {
                padding: 0.4rem 1rem;
                font-size: 0.85rem;
            }
        }
        @media (max-width: 576px) {
            .site-header .navbar-brand {
                font-size: 1.1rem;
            }
            .site-header .navbar-brand .brand-icon {
                font-size: 1.3rem;
            }
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center center;
            background-repeat: no-repeat;
            margin-top: 0;
            padding-top: 64px;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 31, 61, 0.85) 40%, rgba(10, 31, 61, 0.4) 100%);
            z-index: 1;
        }
        .hero-section .container {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .hero-content {
            max-width: 620px;
            padding: 3rem 0;
        }
        .hero-content .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(212, 168, 67, 0.15);
            border: 1px solid rgba(212, 168, 67, 0.3);
            color: var(--secondary-light);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 0.35rem 1rem;
            border-radius: 50px;
            margin-bottom: 1.5rem;
            letter-spacing: 0.5px;
        }
        .hero-content .hero-badge i {
            font-size: 0.75rem;
        }
        .hero-content h1 {
            font-size: 3.2rem;
            font-weight: 800;
            color: var(--text-light);
            line-height: 1.2;
            margin-bottom: 1.25rem;
            letter-spacing: -0.5px;
        }
        .hero-content h1 .highlight {
            color: var(--secondary);
        }
        .hero-content p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            margin-bottom: 2rem;
            max-width: 520px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }
        .hero-actions .btn-primary-custom {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
            color: var(--primary-dark) !important;
            border: none;
            padding: 0.85rem 2.5rem;
            border-radius: var(--border-radius);
            font-weight: 700;
            font-size: 1.05rem;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(212, 168, 67, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
        }
        .hero-actions .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 36px rgba(212, 168, 67, 0.5);
            background: linear-gradient(135deg, var(--secondary-light), var(--secondary));
        }
        .hero-actions .btn-outline-custom {
            background: transparent;
            color: var(--text-light) !important;
            border: 2px solid rgba(255, 255, 255, 0.3);
            padding: 0.8rem 2rem;
            border-radius: var(--border-radius);
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .hero-actions .btn-outline-custom:hover {
            border-color: var(--secondary);
            color: var(--secondary-light) !important;
            background: rgba(212, 168, 67, 0.08);
            transform: translateY(-2px);
        }
        .hero-stats {
            display: flex;
            gap: 2.5rem;
            margin-top: 2.5rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        .hero-stats .stat-item .stat-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--secondary);
            line-height: 1.2;
        }
        .hero-stats .stat-item .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            font-weight: 500;
            margin-top: 0.15rem;
        }
        @media (max-width: 991.98px) {
            .hero-content h1 {
                font-size: 2.6rem;
            }
            .hero-content p {
                font-size: 1.05rem;
            }
            .hero-stats {
                gap: 1.5rem;
                flex-wrap: wrap;
            }
            .hero-stats .stat-item .stat-number {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 768px) {
            .hero-section {
                min-height: 92vh;
                padding-top: 56px;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .hero-content p {
                font-size: 0.95rem;
            }
            .hero-actions .btn-primary-custom {
                padding: 0.7rem 1.8rem;
                font-size: 0.95rem;
            }
            .hero-actions .btn-outline-custom {
                padding: 0.65rem 1.5rem;
                font-size: 0.9rem;
            }
            .hero-stats .stat-item .stat-number {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 480px) {
            .hero-content h1 {
                font-size: 1.7rem;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn-primary-custom,
            .hero-actions .btn-outline-custom {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== Section Base ===== */
        .section {
            padding: 5rem 0;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--secondary);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 0.75rem;
        }
        .section-label::before {
            content: '';
            width: 28px;
            height: 2px;
            background: var(--secondary);
            border-radius: 1px;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
            letter-spacing: -0.3px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin-bottom: 2.5rem;
            line-height: 1.7;
        }
        .section-title.text-light,
        .section-subtitle.text-light {
            color: var(--text-light) !important;
        }
        @media (max-width: 768px) {
            .section {
                padding: 3.5rem 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
        }

        /* ===== Features Section ===== */
        .features-section {
            background: var(--bg-light);
        }
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            padding: 2.25rem 1.75rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--secondary), var(--secondary-light));
            opacity: 0;
            transition: var(--transition);
        }
        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
            border-color: rgba(212, 168, 67, 0.2);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-card .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--border-radius);
            background: linear-gradient(135deg, rgba(212, 168, 67, 0.12), rgba(212, 168, 67, 0.05));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--secondary);
            margin-bottom: 1.25rem;
            transition: var(--transition);
        }
        .feature-card:hover .feature-icon {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
            color: var(--primary-dark);
            box-shadow: 0 4px 16px rgba(212, 168, 67, 0.3);
        }
        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.6rem;
        }
        .feature-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== Category Entry Section ===== */
        .category-entry {
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            position: relative;
        }
        .category-entry::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10, 31, 61, 0.82);
            z-index: 1;
        }
        .category-entry .container {
            position: relative;
            z-index: 2;
        }
        .category-entry-card {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--border-radius-lg);
            padding: 2.5rem 2rem;
            transition: var(--transition);
        }
        .category-entry-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(212, 168, 67, 0.3);
            transform: translateY(-4px);
        }
        .category-entry-card .cat-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(212, 168, 67, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--secondary);
            margin-bottom: 1rem;
        }
        .category-entry-card h4 {
            color: var(--text-light);
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .category-entry-card p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            margin-bottom: 1.25rem;
        }
        .category-entry-card .btn-cat {
            background: var(--secondary);
            color: var(--primary-dark) !important;
            border: none;
            padding: 0.5rem 1.5rem;
            border-radius: var(--border-radius);
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .category-entry-card .btn-cat:hover {
            background: var(--secondary-light);
            transform: translateY(-2px);
            box-shadow: 0 4px 20px rgba(212, 168, 67, 0.3);
        }

        /* ===== Latest News / CMS Section ===== */
        .news-section {
            background: var(--bg-light);
        }
        .news-card {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(212, 168, 67, 0.15);
        }
        .news-card .news-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .news-card .news-body {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 0.6rem;
        }
        .news-card .news-meta .badge-cat {
            background: rgba(212, 168, 67, 0.12);
            color: var(--secondary);
            padding: 0.15rem 0.7rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.7rem;
        }
        .news-card .news-meta .news-date {
            font-weight: 500;
        }
        .news-card h5 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }
        .news-card h5 a {
            color: var(--text-primary);
        }
        .news-card h5 a:hover {
            color: var(--primary-light);
        }
        .news-card .news-excerpt {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0.75rem;
            flex: 1;
        }
        .news-card .news-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary-light);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .news-card .news-link:hover {
            color: var(--secondary);
            gap: 0.7rem;
        }
        .news-empty {
            text-align: center;
            padding: 3rem 1.5rem;
            background: var(--bg-card);
            border-radius: var(--border-radius);
            border: 1px dashed var(--border-color);
            color: var(--text-muted);
            font-size: 1rem;
        }

        /* ===== Process Section ===== */
        .process-section {
            background: var(--bg-card);
        }
        .process-step {
            text-align: center;
            padding: 1.5rem;
            position: relative;
        }
        .process-step .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: var(--text-light);
            font-size: 1.2rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            box-shadow: 0 4px 16px rgba(10, 31, 61, 0.2);
        }
        .process-step .step-icon {
            font-size: 2rem;
            color: var(--secondary);
            margin-bottom: 0.75rem;
        }
        .process-step h5 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 0.4rem;
        }
        .process-step p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin-bottom: 0;
            max-width: 200px;
            margin-left: auto;
            margin-right: auto;
        }
        .process-connector {
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--secondary);
            font-size: 1.4rem;
            opacity: 0.4;
        }
        @media (max-width: 767.98px) {
            .process-connector {
                transform: rotate(90deg);
                padding: 0.5rem 0;
            }
        }

        /* ===== Advantages Section ===== */
        .advantages-section {
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .advantages-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10, 31, 61, 0.88);
            z-index: 1;
        }
        .advantages-section .container {
            position: relative;
            z-index: 2;
        }
        .advantage-item {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--border-radius);
            padding: 2rem 1.5rem;
            text-align: center;
            transition: var(--transition);
            height: 100%;
        }
        .advantage-item:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(212, 168, 67, 0.2);
            transform: translateY(-4px);
        }
        .advantage-item .adv-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--secondary);
            line-height: 1.1;
            margin-bottom: 0.3rem;
        }
        .advantage-item .adv-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            font-weight: 500;
        }
        .advantage-item h5 {
            color: var(--text-light);
            font-size: 1.05rem;
            font-weight: 700;
            margin-top: 1rem;
            margin-bottom: 0.4rem;
        }
        .advantage-item p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            margin-bottom: 0;
        }

        /* ===== FAQ Section ===== */
        .faq-section {
            background: var(--bg-light);
        }
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius) !important;
            margin-bottom: 0.75rem;
            background: var(--bg-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .faq-accordion .accordion-button {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            background: var(--bg-card);
            padding: 1.1rem 1.5rem;
            border: none;
            box-shadow: none;
            transition: var(--transition);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--primary-light);
            background: var(--bg-card);
            box-shadow: none;
        }
        .faq-accordion .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%234a4a6a' viewBox='0 0 16 16'%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");
            transition: var(--transition);
        }
        .faq-accordion .accordion-button:not(.collapsed)::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%231a3a6b' viewBox='0 0 16 16'%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");
        }
        .faq-accordion .accordion-body {
            padding: 0 1.5rem 1.2rem;
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        .faq-accordion .accordion-button:hover {
            background: rgba(212, 168, 67, 0.04);
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-content {
            text-align: center;
            padding: 2rem 0;
        }
        .cta-content h2 {
            color: var(--text-light);
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
        }
        .cta-content p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto 2rem;
        }
        .cta-content .btn-cta {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
            color: var(--primary-dark) !important;
            border: none;
            padding: 0.9rem 2.8rem;
            border-radius: var(--border-radius);
            font-weight: 700;
            font-size: 1.1rem;
            transition: var(--transition);
            box-shadow: 0 4px 24px rgba(212, 168, 67, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
        }
        .cta-content .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 40px rgba(212, 168, 67, 0.5);
            background: linear-gradient(135deg, var(--secondary-light), var(--secondary));
        }
        @media (max-width: 768px) {
            .cta-content h2 {
                font-size: 1.7rem;
            }
            .cta-content p {
                font-size: 0.95rem;
            }
            .cta-content .btn-cta {
                padding: 0.75rem 2rem;
                font-size: 1rem;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.6);
            padding: 3.5rem 0 1.5rem;
        }
        .site-footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 0.75rem;
        }
        .site-footer .footer-brand .brand-icon {
            color: var(--secondary);
        }
        .site-footer .footer-desc {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.5);
            max-width: 320px;
            line-height: 1.7;
        }
        .site-footer h6 {
            color: var(--text-light);
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 0.45rem;
        }
        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.88rem;
            transition: var(--transition);
        }
        .site-footer ul li a:hover {
            color: var(--secondary-light);
            padding-left: 3px;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 1.5rem;
            margin-top: 2.5rem;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.35);
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.35);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--secondary-light);
        }
        @media (max-width: 767.98px) {
            .site-footer {
                padding: 2.5rem 0 1rem;
            }
            .site-footer .footer-brand {
                font-size: 1.15rem;
            }
        }

        /* ===== Scroll to Top ===== */
        .scroll-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--text-light);
            border: none;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow);
            cursor: pointer;
            transition: var(--transition);
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
        }
        .scroll-top.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .scroll-top:hover {
            background: var(--primary-light);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        /* ===== Bootstrap Overrides ===== */
        .btn:focus,
        .btn:active:focus,
        .accordion-button:focus {
            box-shadow: 0 0 0 0.2rem rgba(212, 168, 67, 0.25);
        }
        .form-control:focus {
            border-color: var(--secondary);
            box-shadow: 0 0 0 0.2rem rgba(212, 168, 67, 0.15);
        }
        .row.gap-y {
            --bs-gutter-y: 1.5rem;
        }

        /* ===== Responsive fine-tune ===== */
        @media (max-width: 991.98px) {
            .hero-content {
                max-width: 100%;
                padding: 2rem 0;
            }
            .section-title {
                font-size: 1.9rem;
            }
        }
        @media (max-width: 576px) {
            .hero-content h1 {
                font-size: 1.6rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .feature-card {
                padding: 1.5rem 1.25rem;
            }
            .news-card .news-img {
                height: 160px;
            }
            .advantage-item .adv-number {
                font-size: 2.2rem;
            }
            .cta-content h2 {
                font-size: 1.4rem;
            }
            .scroll-top {
                bottom: 1.2rem;
                right: 1.2rem;
                width: 38px;
                height: 38px;
                font-size: 0.95rem;
            }
        }

        /* ===== Accessibility ===== */
        a:focus-visible,
        button:focus-visible,
        .btn:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 2px;
        }
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                transition-duration: 0.01ms !important;
                animation-duration: 0.01ms !important;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0d6e6e;
            --primary-dark: #095252;
            --primary-light: #e0f2f2;
            --secondary: #f5a623;
            --secondary-dark: #d4891a;
            --accent: #ff6b35;
            --bg-light: #f8fbfb;
            --bg-dark: #0a2e2e;
            --text-dark: #1a2b2b;
            --text-body: #3d5555;
            --text-muted: #7a9494;
            --text-light: #f0f7f7;
            --border-color: #d9e6e6;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 12px rgba(13, 110, 110, 0.08);
            --shadow-md: 0 8px 30px rgba(13, 110, 110, 0.12);
            --shadow-lg: 0 20px 50px rgba(13, 110, 110, 0.18);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-light);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible {
            outline: 3px solid var(--secondary);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        /* ===== Container ===== */
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
            margin: 0 auto;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 2px 20px rgba(13, 110, 110, 0.06);
        }
        .site-header .navbar {
            padding: 0.65rem 0;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--primary-dark) !important;
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .navbar-brand .brand-icon {
            font-size: 1.6rem;
            color: var(--secondary);
            transition: var(--transition);
        }
        .navbar-brand:hover .brand-icon {
            transform: rotate(-12deg) scale(1.1);
        }
        .navbar-nav .nav-link {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-body);
            padding: 0.5rem 1.1rem !important;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
        }
        .navbar-nav .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .navbar-nav .nav-link.active {
            color: var(--primary-dark);
            background: var(--primary-light);
            font-weight: 600;
        }
        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 3px;
            background: var(--secondary);
            border-radius: 6px;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: 12px;
        }
        .search-toggle {
            background: none;
            border: none;
            font-size: 1.2rem;
            color: var(--text-body);
            padding: 0.35rem 0.6rem;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            cursor: pointer;
        }
        .search-toggle:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .btn-cta-nav {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--secondary);
            color: #fff !important;
            padding: 0.5rem 1.3rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-cta-nav:hover {
            background: var(--secondary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(245, 166, 35, 0.35);
        }
        .navbar-toggler {
            border: none;
            font-size: 1.4rem;
            color: var(--text-body);
            padding: 0.25rem 0.5rem;
            background: transparent;
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--primary);
        }

        /* ===== Banner ===== */
        .category-banner {
            position: relative;
            padding: 80px 0 70px;
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            overflow: hidden;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 46, 46, 0.88) 30%, rgba(10, 46, 46, 0.55) 100%);
            z-index: 1;
        }
        .category-banner .container {
            position: relative;
            z-index: 2;
        }
        .category-banner h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            line-height: 1.2;
        }
        .category-banner h1 i {
            color: var(--secondary);
            margin-right: 10px;
        }
        .category-banner .lead {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 660px;
            margin-bottom: 24px;
            line-height: 1.8;
        }
        .category-banner .banner-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .category-banner .banner-tags .badge {
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(6px);
            color: #fff;
            font-weight: 500;
            padding: 0.45rem 1.2rem;
            border-radius: 50px;
            font-size: 0.85rem;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        /* ===== Section通用 ===== */
        .section-padding {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: -0.3px;
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto 40px;
            line-height: 1.8;
        }
        .section-divider {
            width: 60px;
            height: 4px;
            background: var(--secondary);
            border-radius: 6px;
            margin: 0 auto 16px;
        }
        .text-center .section-divider {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 分类介绍板块 ===== */
        .intro-section {
            background: #fff;
        }
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .intro-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            background: var(--primary-light);
            min-height: 300px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .intro-image:hover img {
            transform: scale(1.02);
        }
        .intro-content h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 16px;
        }
        .intro-content p {
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .intro-content .intro-list {
            list-style: none;
            padding: 0;
            margin: 20px 0 0;
        }
        .intro-content .intro-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 8px 0;
            color: var(--text-body);
        }
        .intro-content .intro-list li i {
            color: var(--primary);
            font-size: 1.1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* ===== 核心指南卡片 ===== */
        .guide-section {
            background: var(--bg-light);
        }
        .guide-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 32px 26px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .guide-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--secondary);
            opacity: 0;
            transition: var(--transition);
        }
        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .guide-card:hover::before {
            opacity: 1;
        }
        .guide-card .card-icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 16px;
            display: inline-block;
            background: var(--primary-light);
            width: 56px;
            height: 56px;
            line-height: 56px;
            text-align: center;
            border-radius: var(--radius-sm);
        }
        .guide-card h5 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
        }
        .guide-card p {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .guide-card .badge-step {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--primary-light);
            color: var(--primary-dark);
            font-weight: 600;
            font-size: 0.75rem;
            padding: 0.2rem 0.8rem;
            border-radius: 50px;
        }

        /* ===== 流程步骤 ===== */
        .steps-section {
            background: #fff;
        }
        .step-item {
            display: flex;
            gap: 24px;
            padding: 28px 24px;
            background: var(--bg-light);
            border-radius: var(--radius-md);
            border-left: 4px solid var(--secondary);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            margin-bottom: 20px;
        }
        .step-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(6px);
        }
        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .step-content h5 {
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .step-content p {
            color: var(--text-muted);
            margin-bottom: 0;
            font-size: 0.95rem;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-light);
        }
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 12px;
            background: #fff;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .faq-accordion .accordion-button {
            font-weight: 600;
            color: var(--text-dark);
            padding: 1.1rem 1.4rem;
            background: #fff;
            font-size: 1rem;
            border: none;
            box-shadow: none;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--primary-dark);
            background: var(--primary-light);
        }
        .faq-accordion .accordion-button::after {
            background-size: 1rem;
            transition: var(--transition);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--primary);
        }
        .faq-accordion .accordion-body {
            padding: 0.8rem 1.4rem 1.2rem;
            color: var(--text-body);
            line-height: 1.8;
            font-size: 0.95rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
            padding: 70px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 46, 46, 0.9) 40%, rgba(10, 46, 46, 0.6) 100%);
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto 28px;
        }
        .btn-cta-big {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--secondary);
            color: #fff !important;
            padding: 0.85rem 2.5rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            border: none;
            transition: var(--transition);
        }
        .btn-cta-big:hover {
            background: var(--secondary-dark);
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(245, 166, 35, 0.4);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 50px 0 30px;
        }
        .site-footer .footer-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }
        .site-footer .footer-brand .brand-icon {
            color: var(--secondary);
        }
        .site-footer .footer-desc {
            font-size: 0.9rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 360px;
        }
        .site-footer h6 {
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .site-footer ul li a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            margin-top: 32px;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .category-banner h1 {
                font-size: 2.2rem;
            }
            .intro-grid {
                gap: 30px;
            }
        }
        @media (max-width: 768px) {
            .category-banner {
                padding: 60px 0 50px;
            }
            .category-banner h1 {
                font-size: 1.8rem;
            }
            .category-banner .lead {
                font-size: 1rem;
            }
            .section-padding {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .intro-image {
                min-height: 220px;
                order: -1;
            }
            .guide-card {
                padding: 24px 20px;
            }
            .step-item {
                flex-direction: column;
                gap: 12px;
                padding: 20px 16px;
            }
            .step-number {
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .btn-cta-big {
                padding: 0.7rem 2rem;
                font-size: 1rem;
            }
            .site-footer .footer-brand {
                font-size: 1.3rem;
            }
            .navbar-nav .nav-link {
                padding: 0.5rem 0.8rem !important;
                font-size: 0.9rem;
            }
            .header-actions {
                margin-left: 0;
                margin-top: 10px;
                padding-top: 10px;
                border-top: 1px solid var(--border-color);
                width: 100%;
                justify-content: flex-start;
            }
        }
        @media (max-width: 520px) {
            .category-banner h1 {
                font-size: 1.5rem;
            }
            .category-banner .banner-tags .badge {
                font-size: 0.75rem;
                padding: 0.3rem 0.9rem;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .section-subtitle {
                font-size: 0.92rem;
                margin-bottom: 28px;
            }
            .guide-card {
                padding: 20px 16px;
            }
            .guide-card .card-icon {
                width: 46px;
                height: 46px;
                line-height: 46px;
                font-size: 1.5rem;
            }
            .intro-content h3 {
                font-size: 1.3rem;
            }
            .step-item {
                padding: 16px 12px;
            }
            .cta-section {
                padding: 50px 0;
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
        }

        /* ===== 额外实用 ===== */
        .bg-soft-primary {
            background: var(--primary-light);
        }
        .text-primary {
            color: var(--primary) !important;
        }
        .text-secondary {
            color: var(--secondary) !important;
        }
        .rounded-custom {
            border-radius: var(--radius-md);
        }
        .shadow-custom {
            box-shadow: var(--shadow-sm);
        }
        .mb-32 {
            margin-bottom: 32px;
        }
        .gap-16 {
            gap: 16px;
        }

/* roulang page: article */
:root {
            --primary: #d4a84b;
            --primary-dark: #b8912e;
            --primary-light: #e8c76a;
            --secondary: #1a1a2e;
            --secondary-light: #2a2a4a;
            --accent: #e85d3a;
            --bg-dark: #0f0f1a;
            --bg-card: #1a1a30;
            --bg-body: #0a0a14;
            --text-light: #f0ece4;
            --text-muted: #a09888;
            --border-color: rgba(212, 168, 75, 0.2);
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 16px 48px rgba(212, 168, 75, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-serif: 'Georgia', 'Noto Serif SC', serif;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-light);
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea {
            font-family: inherit;
        }
        ::selection {
            background: var(--primary);
            color: var(--bg-dark);
        }

        .container {
            max-width: 1200px;
            padding: 0 20px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(15, 15, 26, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .site-header .navbar {
            padding: 10px 0;
        }
        .navbar-brand {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-light) !important;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .navbar-brand .brand-icon {
            color: var(--primary);
            font-size: 1.8rem;
        }
        .navbar-brand:hover {
            color: var(--primary) !important;
        }
        .navbar-nav .nav-link {
            color: rgba(240, 236, 228, 0.75) !important;
            font-size: 0.95rem;
            font-weight: 500;
            padding: 8px 18px !important;
            border-radius: 8px;
            transition: var(--transition);
            position: relative;
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link:focus {
            color: var(--primary) !important;
            background: rgba(212, 168, 75, 0.08);
        }
        .navbar-nav .nav-link.active {
            color: var(--primary) !important;
            background: rgba(212, 168, 75, 0.12);
        }
        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 18px;
            right: 18px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .search-toggle {
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.2rem;
            padding: 8px 12px;
            border-radius: 8px;
            transition: var(--transition);
            cursor: pointer;
        }
        .search-toggle:hover {
            color: var(--primary);
            background: rgba(212, 168, 75, 0.1);
        }
        .btn-cta-nav {
            display: inline-flex;
            align-items: center;
            padding: 10px 24px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: var(--bg-dark) !important;
            font-weight: 700;
            font-size: 0.9rem;
            border-radius: 50px;
            transition: var(--transition);
            border: none;
            gap: 6px;
        }
        .btn-cta-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212, 168, 75, 0.3);
            color: var(--bg-dark) !important;
        }
        .navbar-toggler {
            border: none;
            color: var(--text-light);
            font-size: 1.5rem;
            padding: 4px 8px;
            background: transparent;
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }

        /* ===== Article Hero ===== */
        .article-hero {
            padding: 140px 0 60px;
            background: linear-gradient(160deg, #0a0a14 0%, #1a1a30 50%, #0f0f1a 100%);
            position: relative;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(212, 168, 75, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .article-hero .container {
            position: relative;
            z-index: 1;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            margin-bottom: 24px;
        }
        .article-category {
            display: inline-block;
            padding: 6px 18px;
            background: rgba(212, 168, 75, 0.15);
            color: var(--primary);
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            border: 1px solid rgba(212, 168, 75, 0.25);
        }
        .article-date {
            color: var(--text-muted);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-date i {
            color: var(--primary);
        }
        .article-hero h1 {
            font-family: var(--font-serif);
            font-size: 2.6rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-light);
            margin-bottom: 20px;
            max-width: 900px;
        }
        .article-hero .lead {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 800px;
            line-height: 1.8;
        }
        .article-hero .hero-img {
            margin-top: 30px;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            max-height: 480px;
            object-fit: cover;
            width: 100%;
            border: 1px solid var(--border-color);
        }

        /* ===== Article Content ===== */
        .article-content-section {
            padding: 60px 0 80px;
            background: var(--bg-body);
        }
        .article-body {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 48px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow);
        }
        .article-body h2,
        .article-body h3,
        .article-body h4 {
            font-family: var(--font-serif);
            color: var(--text-light);
            margin-top: 2em;
            margin-bottom: 0.8em;
            font-weight: 700;
        }
        .article-body h2 {
            font-size: 1.8rem;
            border-bottom: 2px solid var(--border-color);
            padding-bottom: 12px;
        }
        .article-body h3 {
            font-size: 1.4rem;
        }
        .article-body p {
            margin-bottom: 1.5em;
            color: rgba(240, 236, 228, 0.85);
            line-height: 1.9;
            font-size: 1.05rem;
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 1.5em;
            padding-left: 1.5em;
            color: rgba(240, 236, 228, 0.85);
        }
        .article-body li {
            margin-bottom: 0.6em;
            line-height: 1.8;
        }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            padding: 16px 24px;
            margin: 1.5em 0;
            background: rgba(212, 168, 75, 0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-muted);
            font-style: italic;
        }
        .article-body img {
            border-radius: var(--radius-sm);
            margin: 1.5em 0;
            box-shadow: var(--shadow);
            width: 100%;
        }
        .article-body a {
            color: var(--primary-light);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-body a:hover {
            color: var(--primary);
        }
        .article-body .table {
            color: var(--text-light);
            border-color: var(--border-color);
        }
        .article-body .table th {
            border-color: var(--border-color);
            background: rgba(212, 168, 75, 0.08);
        }
        .article-body .table td {
            border-color: var(--border-color);
        }
        .article-tags {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .article-tags .tag {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(212, 168, 75, 0.08);
            color: var(--text-muted);
            border-radius: 50px;
            font-size: 0.85rem;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .article-tags .tag:hover {
            background: rgba(212, 168, 75, 0.15);
            color: var(--primary);
            border-color: rgba(212, 168, 75, 0.3);
        }

        /* ===== Article Sidebar / Related ===== */
        .article-sidebar {
            position: sticky;
            top: 100px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 28px;
            border: 1px solid var(--border-color);
            margin-bottom: 24px;
        }
        .sidebar-card h5 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-card h5 i {
            color: var(--primary);
        }
        .sidebar-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px solid rgba(212, 168, 75, 0.08);
        }
        .sidebar-list li:last-child {
            border-bottom: none;
        }
        .sidebar-list a {
            color: rgba(240, 236, 228, 0.8);
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .sidebar-list a:hover {
            color: var(--primary);
            transform: translateX(4px);
        }
        .sidebar-list a i {
            color: var(--primary);
            font-size: 0.7rem;
        }
        .sidebar-cta {
            text-align: center;
        }
        .sidebar-cta .btn-gold {
            display: inline-block;
            padding: 14px 32px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: var(--bg-dark) !important;
            font-weight: 700;
            border-radius: 50px;
            font-size: 1rem;
            transition: var(--transition);
            border: none;
            width: 100%;
        }
        .sidebar-cta .btn-gold:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(212, 168, 75, 0.25);
        }
        .sidebar-cta p {
            color: var(--text-muted);
            font-size: 0.85rem;
            margin-top: 12px;
        }

        /* ===== Related Posts ===== */
        .related-section {
            padding: 60px 0;
            background: linear-gradient(180deg, var(--bg-body) 0%, rgba(26, 26, 48, 0.5) 100%);
        }
        .related-section h3 {
            font-family: var(--font-serif);
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 36px;
            text-align: center;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(212, 168, 75, 0.3);
        }
        .related-card .card-img {
            height: 180px;
            overflow: hidden;
        }
        .related-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
            border-radius: 0;
        }
        .related-card:hover .card-img img {
            transform: scale(1.05);
        }
        .related-card .card-body {
            padding: 20px;
        }
        .related-card .card-body .cat {
            font-size: 0.8rem;
            color: var(--primary);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .related-card .card-body h5 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 8px 0 10px;
            line-height: 1.4;
        }
        .related-card .card-body h5 a {
            color: var(--text-light);
        }
        .related-card .card-body h5 a:hover {
            color: var(--primary);
        }
        .related-card .card-body .date {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* ===== Not Found ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 20px;
        }
        .not-found-box i {
            font-size: 4rem;
            color: var(--primary);
            opacity: 0.5;
            margin-bottom: 24px;
        }
        .not-found-box h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .not-found-box p {
            color: var(--text-muted);
            font-size: 1.1rem;
            margin-bottom: 24px;
        }
        .not-found-box .back-home {
            display: inline-block;
            padding: 12px 32px;
            background: var(--primary);
            color: var(--bg-dark);
            font-weight: 700;
            border-radius: 50px;
            transition: var(--transition);
        }
        .not-found-box .back-home:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212, 168, 75, 0.3);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--secondary);
            padding: 60px 0 0;
            border-top: 1px solid var(--border-color);
        }
        .footer-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-brand .brand-icon {
            color: var(--primary);
            font-size: 1.6rem;
        }
        .footer-desc {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            max-width: 360px;
        }
        .site-footer h6 {
            color: var(--text-light);
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 10px;
        }
        .site-footer ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .site-footer ul li a:hover {
            color: var(--primary);
            transform: translateX(4px);
        }
        .footer-bottom {
            margin-top: 40px;
            padding: 20px 0;
            border-top: 1px solid var(--border-color);
            text-align: center;
        }
        .footer-bottom p {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-hero h1 {
                font-size: 2.2rem;
            }
            .article-body {
                padding: 32px;
            }
        }
        @media (max-width: 768px) {
            .site-header .navbar {
                padding: 8px 0;
            }
            .navbar-brand {
                font-size: 1.3rem;
            }
            .article-hero {
                padding: 110px 0 40px;
            }
            .article-hero h1 {
                font-size: 1.8rem;
            }
            .article-hero .lead {
                font-size: 1rem;
            }
            .article-body {
                padding: 24px;
            }
            .article-body h2 {
                font-size: 1.4rem;
            }
            .article-body h3 {
                font-size: 1.2rem;
            }
            .article-body p {
                font-size: 0.95rem;
            }
            .article-meta {
                gap: 10px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .sidebar-card {
                padding: 20px;
            }
        }
        @media (max-width: 520px) {
            .article-hero h1 {
                font-size: 1.4rem;
            }
            .article-body {
                padding: 16px;
                border-radius: var(--radius-sm);
            }
            .article-body h2 {
                font-size: 1.2rem;
            }
            .article-body h3 {
                font-size: 1.05rem;
            }
            .article-body p {
                font-size: 0.9rem;
            }
            .navbar-brand {
                font-size: 1.1rem;
            }
            .btn-cta-nav {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .header-actions {
                gap: 6px;
            }
            .article-hero {
                padding: 100px 0 30px;
            }
            .article-meta {
                font-size: 0.85rem;
            }
            .footer-brand {
                font-size: 1.2rem;
            }
            .related-card .card-body {
                padding: 16px;
            }
            .related-card .card-body h5 {
                font-size: 0.95rem;
            }
        }

        @media (max-width: 991px) {
            .navbar-nav .nav-link.active::after {
                display: none;
            }
            .navbar-nav .nav-link {
                padding: 10px 16px !important;
            }
            .header-actions {
                margin-top: 12px;
                padding-top: 12px;
                border-top: 1px solid var(--border-color);
                width: 100%;
                justify-content: flex-start;
            }
        }