/* roulang page: index */
:root {
            --primary-900: #1a0f2e;
            --primary-800: #2a1a3a;
            --primary-700: #3a224a;
            --primary-600: #4a2a4a;
            --primary-500: #5a325a;
            --primary-400: #6a3a4a;
            --accent-gold: #c8913a;
            --accent-gold-light: #dba84e;
            --accent-gold-dark: #b0782e;
            --accent-green: #6a9a7a;
            --accent-green-light: #82b08e;
            --bg-warm: #f7f5f0;
            --bg-white: #ffffff;
            --text-dark: #1a1a2e;
            --text-muted: #5a5a6a;
            --text-light: #8a8a9a;
            --border-light: #e5e0d8;
            --border-medium: #d5d0cb;
            --shadow-sm: 0 4px 20px rgba(42,26,58,0.04);
            --shadow-md: 0 8px 30px rgba(42,26,58,0.06);
            --shadow-lg: 0 12px 44px rgba(42,26,58,0.12);
            --shadow-gold: 0 8px 30px rgba(200,145,58,0.18);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-pill: 16px;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 0.2s ease;
            --transition-normal: 0.35s ease;
        }

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

        html { scroll-behavior: smooth; }

        body {
            font-family: var(--font-stack);
            font-size: 1rem;
            font-weight: 400;
            line-height: 1.7;
            color: var(--text-dark);
            background: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img { max-width: 100%; height: auto; display: block; }
        a { text-decoration: none; color: inherit; transition: color var(--transition-fast); }
        a:hover { color: var(--primary-700); }
        button { cursor: pointer; border: none; background: none; font-family: inherit; }
        input, textarea { font-family: inherit; }

        .container { max-width: 1200px; padding-left: 32px; padding-right: 32px; }
        @media (max-width: 576px) { .container { padding-left: 20px; padding-right: 20px; } }

        /* ===== Typography ===== */
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.25; color: var(--text-dark); }
        h1 { font-size: 2.75rem; letter-spacing: -0.02em; font-weight: 700; }
        h2 { font-size: 2rem; font-weight: 700; }
        h3 { font-size: 1.4rem; font-weight: 600; }
        h4 { font-size: 1.15rem; font-weight: 600; }
        p { margin-bottom: 0; }
        .text-muted { color: var(--text-muted) !important; }
        .text-small { font-size: 0.85rem; }
        .text-gold { color: var(--accent-gold); }

        .section-gap { padding-top: 100px; padding-bottom: 100px; }
        @media (max-width: 768px) { .section-gap { padding-top: 60px; padding-bottom: 60px; } }

        .section-heading {
            margin-bottom: 56px;
            text-align: center;
        }
        .section-heading h2 {
            display: inline-block;
            position: relative;
            margin-bottom: 16px;
        }
        .section-heading h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            border-radius: 2px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-green));
            margin: 16px auto 0;
        }
        .section-heading p {
            max-width: 640px;
            margin: 0 auto;
            color: var(--text-muted);
            font-size: 1.1rem;
        }

        /* ===== Header & Nav ===== */
        .navbar-main {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(255,255,255,0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(229,224,216,0.4);
            transition: background var(--transition-normal), box-shadow var(--transition-normal);
            padding: 0;
        }
        .navbar-main.scrolled {
            background: rgba(255,255,255,0.98);
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
        }
        .navbar-main .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 14px 0;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary-800);
            letter-spacing: -0.01em;
        }
        .navbar-main .navbar-brand:hover { color: var(--primary-800); }
        .navbar-main .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary-800), var(--primary-400));
            color: #fff;
            font-size: 1.1rem;
        }
        .navbar-main .nav-link {
            padding: 8px 16px !important;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-muted);
            border-radius: 4px;
            transition: color var(--transition-fast), background var(--transition-fast);
            position: relative;
        }
        .navbar-main .nav-link:hover {
            color: var(--primary-800);
            background: rgba(42,26,58,0.04);
        }
        .navbar-main .nav-link.active {
            color: var(--primary-800);
            font-weight: 600;
        }
        .navbar-main .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 16px;
            right: 16px;
            height: 2px;
            border-radius: 1px;
            background: linear-gradient(90deg, var(--accent-gold), var(--accent-green));
        }
        .navbar-main .navbar-toggler {
            border: none;
            padding: 8px;
            font-size: 1.4rem;
            color: var(--text-dark);
        }
        .navbar-main .navbar-toggler:focus { box-shadow: none; }
        .navbar-main .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%231a1a2e' stroke-width='2' stroke-linecap='round' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
        }

        @media (max-width: 768px) {
            .navbar-main .navbar-collapse {
                background: var(--bg-white);
                border-radius: var(--radius-md);
                padding: 16px;
                box-shadow: var(--shadow-lg);
                margin-top: 8px;
            }
            .navbar-main .nav-link {
                padding: 14px 16px !important;
                font-size: 1.1rem;
            }
            .navbar-main .nav-link.active::after { display: none; }
            .navbar-main .nav-link.active {
                background: rgba(42,26,58,0.06);
                border-radius: var(--radius-sm);
            }
        }

        /* ===== Hero ===== */
        .hero-section {
            padding-top: 140px;
            padding-bottom: 80px;
            background: linear-gradient(135deg, var(--primary-800) 0%, var(--primary-600) 50%, var(--primary-400) 100%);
            min-height: 600px;
            display: flex;
            align-items: center;
            overflow: hidden;
            position: relative;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(200,145,58,0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -5%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(106,154,122,0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-text h1 {
            color: #fff;
            font-size: 2.75rem;
            line-height: 1.2;
            margin-bottom: 20px;
            text-shadow: 0 2px 20px rgba(0,0,0,0.12);
        }
        .hero-text .hero-sub {
            font-size: 1.15rem;
            color: rgba(255,255,255,0.8);
            margin-bottom: 32px;
            line-height: 1.6;
            max-width: 540px;
        }
        .hero-text .btn-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 16px 40px;
            font-size: 1.1rem;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light));
            border: none;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-gold);
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
        }
        .hero-text .btn-hero:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 36px rgba(200,145,58,0.3);
            color: #fff;
        }
        .hero-text .btn-hero:active {
            transform: translateY(0);
            box-shadow: 0 4px 16px rgba(200,145,58,0.2);
        }
        .hero-badges {
            display: flex;
            gap: 28px;
            margin-top: 40px;
            flex-wrap: wrap;
        }
        .hero-badge {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .hero-badge .badge-circle {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: var(--accent-gold);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: #fff;
            flex-shrink: 0;
        }
        .hero-badge .badge-circle .num {
            font-size: 1.3rem;
            font-weight: 700;
            line-height: 1.1;
        }
        .hero-badge .badge-circle .label {
            font-size: 0.55rem;
            font-weight: 400;
            opacity: 0.85;
            letter-spacing: 0.02em;
        }
        .hero-badge .badge-text {
            color: rgba(255,255,255,0.7);
            font-size: 0.85rem;
            line-height: 1.3;
        }
        .hero-image {
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }
        .hero-image img {
            border-radius: var(--radius-lg);
            box-shadow: 0 24px 64px rgba(0,0,0,0.25);
            max-height: 460px;
            width: 100%;
            object-fit: cover;
        }
        @media (max-width: 768px) {
            .hero-section { padding-top: 120px; padding-bottom: 60px; min-height: auto; }
            .hero-text h1 { font-size: 2rem; }
            .hero-text .hero-sub { font-size: 1rem; }
            .hero-badges { gap: 16px; }
            .hero-badge .badge-circle { width: 60px; height: 60px; }
            .hero-badge .badge-circle .num { font-size: 1.1rem; }
            .hero-image { margin-top: 40px; }
            .hero-image img { max-height: 300px; }
        }
        @media (max-width: 576px) {
            .hero-text h1 { font-size: 1.7rem; }
            .hero-badges { flex-direction: column; gap: 12px; }
        }

        /* ===== Feature Cards (2列交错) ===== */
        .feature-row {
            display: flex;
            align-items: center;
            gap: 80px;
            padding: 40px 0;
        }
        .feature-row.reverse { flex-direction: row-reverse; }
        .feature-row .feature-image {
            flex: 0 0 48%;
            max-width: 48%;
        }
        .feature-row .feature-image img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            width: 100%;
            height: 300px;
            object-fit: cover;
            transition: transform var(--transition-normal);
        }
        .feature-row .feature-image img:hover { transform: scale(1.02); }
        .feature-row .feature-content {
            flex: 0 0 48%;
            max-width: 48%;
        }
        .feature-content .feature-icon {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
            background: linear-gradient(135deg, var(--primary-800), var(--primary-400));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .feature-content h3 {
            margin-bottom: 12px;
            font-size: 1.5rem;
        }
        .feature-content p {
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .feature-content .link-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent-gold);
            font-weight: 500;
            font-size: 0.95rem;
            border-bottom: 1px solid transparent;
            transition: border-color var(--transition-fast);
        }
        .feature-content .link-more:hover {
            border-bottom-color: var(--accent-gold);
            color: var(--accent-gold-dark);
        }
        .feature-content .link-more i { font-size: 0.8rem; transition: transform var(--transition-fast); }
        .feature-content .link-more:hover i { transform: translateX(4px); }

        @media (max-width: 992px) {
            .feature-row { gap: 40px; flex-direction: column !important; }
            .feature-row .feature-image { flex: 0 0 100%; max-width: 100%; }
            .feature-row .feature-content { flex: 0 0 100%; max-width: 100%; }
            .feature-row .feature-image img { height: 240px; }
        }
        @media (max-width: 576px) {
            .feature-row { padding: 24px 0; gap: 24px; }
            .feature-row .feature-image img { height: 200px; }
            .feature-content h3 { font-size: 1.25rem; }
        }

        /* ===== Scenarios ===== */
        .scenario-row {
            display: flex;
            align-items: center;
            gap: 60px;
            padding: 32px 0;
        }
        .scenario-row.reverse { flex-direction: row-reverse; }
        .scenario-row .scenario-image {
            flex: 0 0 45%;
            max-width: 45%;
        }
        .scenario-row .scenario-image img {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            width: 100%;
            height: 240px;
            object-fit: cover;
        }
        .scenario-row .scenario-text {
            flex: 0 0 50%;
            max-width: 50%;
        }
        .scenario-text h3 {
            font-size: 1.35rem;
            margin-bottom: 10px;
        }
        .scenario-text p {
            color: var(--text-muted);
            margin-bottom: 14px;
        }
        .scenario-text .scenario-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .scenario-text .scenario-tags .tag {
            display: inline-block;
            padding: 4px 16px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border-medium);
            font-size: 0.8rem;
            color: var(--text-muted);
            background: var(--bg-white);
            transition: background var(--transition-fast), border-color var(--transition-fast);
        }
        .scenario-text .scenario-tags .tag:hover {
            background: var(--primary-800);
            border-color: var(--primary-800);
            color: #fff;
        }
        @media (max-width: 992px) {
            .scenario-row { gap: 32px; flex-direction: column !important; }
            .scenario-row .scenario-image { flex: 0 0 100%; max-width: 100%; }
            .scenario-row .scenario-text { flex: 0 0 100%; max-width: 100%; }
            .scenario-row .scenario-image img { height: 200px; }
        }
        @media (max-width: 576px) {
            .scenario-row { padding: 20px 0; gap: 20px; }
            .scenario-row .scenario-image img { height: 180px; }
        }

        /* ===== Success Cases ===== */
        .case-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: transform var(--transition-normal), box-shadow var(--transition-normal);
            height: 100%;
        }
        .case-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .case-card .case-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            transition: transform var(--transition-normal);
        }
        .case-card:hover .case-img { transform: scale(1.03); }
        .case-card .card-body {
            padding: 24px 28px 28px;
        }
        .case-card h4 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }
        .case-card .case-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .case-card .case-badge {
            display: inline-block;
            padding: 6px 20px;
            border-radius: var(--radius-pill);
            background: var(--accent-gold);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 600;
        }
        .overflow-hidden { overflow: hidden; }

        /* ===== Pricing ===== */
        .pricing-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 40px 32px;
            text-align: center;
            transition: transform var(--transition-normal), box-shadow var(--transition-normal);
            position: relative;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .pricing-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .pricing-card.featured {
            transform: translateY(-20px);
            box-shadow: var(--shadow-md);
            border: 2px solid var(--accent-gold);
        }
        .pricing-card.featured:hover {
            transform: translateY(-24px);
            box-shadow: var(--shadow-lg);
        }
        .pricing-card .pricing-tag {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light));
            color: #fff;
            padding: 4px 24px;
            border-radius: var(--radius-pill);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.03em;
        }
        .pricing-card .plan-name {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .pricing-card .plan-price {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 4px;
        }
        .pricing-card .plan-price small {
            font-size: 1rem;
            font-weight: 400;
            color: var(--text-muted);
        }
        .pricing-card .plan-duration {
            color: var(--text-light);
            font-size: 0.85rem;
            margin-bottom: 24px;
        }
        .pricing-card .plan-features {
            list-style: none;
            padding: 0;
            margin: 0 0 32px;
            text-align: left;
            flex: 1;
        }
        .pricing-card .plan-features li {
            padding: 8px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .pricing-card .plan-features li i {
            color: var(--accent-green);
            font-size: 0.85rem;
            width: 18px;
            text-align: center;
        }
        .pricing-card .btn-pricing {
            display: inline-block;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 600;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            background: transparent;
            transition: background var(--transition-fast), color var(--transition-fast);
        }
        .pricing-card .btn-pricing:hover {
            background: rgba(200,145,58,0.1);
            color: var(--accent-gold-dark);
        }
        .pricing-card.featured .btn-pricing {
            background: linear-gradient(135deg, var(--primary-800), var(--primary-500));
            color: #fff;
            border: none;
        }
        .pricing-card.featured .btn-pricing:hover {
            background: linear-gradient(135deg, var(--primary-700), var(--primary-400));
            color: #fff;
        }
        .pricing-footnote {
            text-align: center;
            color: var(--text-light);
            font-size: 0.8rem;
            margin-top: 24px;
        }
        @media (max-width: 768px) {
            .pricing-card.featured { transform: translateY(0); }
            .pricing-card.featured:hover { transform: translateY(-4px); }
        }

        /* ===== Latest News (CMS) ===== */
        .news-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition-fast);
        }
        .news-item:hover { background: rgba(42,26,58,0.02); }
        .news-item .news-bar {
            width: 4px;
            flex-shrink: 0;
            border-radius: 2px;
            background: linear-gradient(180deg, var(--accent-gold), var(--accent-green));
        }
        .news-item .news-body { flex: 1; min-width: 0; }
        .news-item .news-category {
            display: inline-block;
            padding: 2px 14px;
            border-radius: var(--radius-pill);
            background: var(--border-light);
            color: var(--text-muted);
            font-size: 0.75rem;
            font-weight: 500;
            margin-bottom: 6px;
        }
        .news-item h3 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 6px;
            transition: color var(--transition-fast);
        }
        .news-item h3 a {
            color: var(--text-dark);
        }
        .news-item h3 a:hover { color: var(--primary-600); }
        .news-item .news-summary {
            color: var(--text-muted);
            font-size: 0.9rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 6px;
        }
        .news-item .news-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-light);
        }
        .news-item .news-meta a {
            color: var(--accent-gold);
            font-weight: 500;
        }
        .news-item .news-meta a:hover { color: var(--accent-gold-dark); }
        .news-empty {
            text-align: center;
            color: var(--text-light);
            padding: 60px 20px;
            font-size: 1rem;
        }

        /* ===== FAQ ===== */
        .faq-accordion .accordion-item {
            border: none;
            border-bottom: 1px solid var(--border-light);
            background: transparent;
        }
        .faq-accordion .accordion-button {
            padding: 20px 0;
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--text-dark);
            background: transparent;
            box-shadow: none;
            border: none;
            position: relative;
        }
        .faq-accordion .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%235a5a6a'%3E%3Cpath d='M8 1a1 1 0 0 1 1 1v5h5a1 1 0 1 1 0 2H9v5a1 1 0 1 1-2 0V9H2a1 1 0 0 1 0-2h5V2a1 1 0 0 1 1-1z'/%3E%3C/svg%3E");
            transition: transform var(--transition-normal);
        }
        .faq-accordion .accordion-button:not(.collapsed)::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23c8913a'%3E%3Cpath d='M2 8a1 1 0 0 1 1-1h10a1 1 0 1 1 0 2H3a1 1 0 0 1-1-1z'/%3E%3C/svg%3E");
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--accent-gold);
            background: transparent;
        }
        .faq-accordion .accordion-button:hover { background: rgba(240,237,232,0.4); }
        .faq-accordion .accordion-body {
            padding: 0 0 20px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-800) 0%, var(--primary-600) 100%);
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(200,145,58,0.1) 0%, transparent 70%);
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2.2rem;
            margin-bottom: 16px;
        }
        .cta-section p {
            color: rgba(255,255,255,0.75);
            font-size: 1.1rem;
            max-width: 560px;
            margin: 0 auto 36px;
        }
        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 16px 48px;
            font-size: 1.1rem;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light));
            border: none;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-gold);
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
        }
        .cta-section .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 36px rgba(200,145,58,0.3);
            color: #fff;
        }
        @media (max-width: 576px) {
            .cta-section h2 { font-size: 1.6rem; }
            .cta-section p { font-size: 1rem; }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #1a1a2e;
            color: rgba(255,255,255,0.6);
            padding: 60px 0 0;
        }
        .site-footer h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .site-footer .footer-brand .brand-icon {
            width: 32px;
            height: 32px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
        }
        .site-footer .footer-desc {
            font-size: 0.85rem;
            line-height: 1.7;
            margin-bottom: 20px;
            max-width: 320px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 10px;
        }
        .site-footer ul li a {
            color: rgba(255,255,255,0.5);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .site-footer ul li a:hover { color: var(--accent-gold); }
        .site-footer .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 16px;
        }
        .site-footer .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            color: rgba(255,255,255,0.5);
            font-size: 1rem;
            transition: background var(--transition-fast), color var(--transition-fast);
        }
        .site-footer .footer-social a:hover {
            background: var(--accent-gold);
            color: #fff;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding: 24px 0;
            margin-top: 40px;
            text-align: center;
            font-size: 0.8rem;
            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(--accent-gold); }
        @media (max-width: 768px) {
            .site-footer { padding: 40px 0 0; }
            .site-footer .col-md-3 { margin-bottom: 32px; }
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar { width: 8px; }
        ::-webkit-scrollbar-track { background: var(--bg-warm); }
        ::-webkit-scrollbar-thumb { background: var(--border-medium); border-radius: 4px; }
        ::-webkit-scrollbar-thumb:hover { background: var(--text-light); }

        /* ===== Misc ===== */
        .bg-warm { background: var(--bg-warm); }
        .bg-white { background: var(--bg-white); }
        .rounded-custom { border-radius: var(--radius-md); }
        .shadow-custom { box-shadow: var(--shadow-sm); }
        .btn-focus:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 2px;
        }

        @media (max-width: 576px) {
            .section-heading h2 { font-size: 1.6rem; }
            h1 { font-size: 1.8rem; }
            .container { padding-left: 16px; padding-right: 16px; }
        }
        @media (min-width: 577px) and (max-width: 768px) {
            h1 { font-size: 2.2rem; }
        }

/* roulang page: article */
:root {
            --primary-dark: #2a1a3a;
            --primary-mid: #4a2a4a;
            --primary-light: #6a3a4a;
            --bg-warm: #f7f5f0;
            --card-bg: #ffffff;
            --text-dark: #1a1a2e;
            --text-muted: #5a5a6a;
            --accent-gold: #c8913a;
            --accent-green: #6a9a7a;
            --border-light: #d5d0cb;
            --shadow-card: 0 8px 30px rgba(42,26,58,0.06);
            --shadow-hover: 0 12px 44px rgba(42,26,58,0.12);
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --radius-pill: 16px;
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            background: var(--bg-warm);
            color: var(--text-dark);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a { color: inherit; text-decoration: none; transition: color 0.25s; }
        a:hover { color: var(--accent-gold); }
        img { max-width: 100%; height: auto; display: block; }
        .container { max-width: 1200px; padding: 0 24px; margin: 0 auto; }
        .container-narrow { max-width: 720px; margin: 0 auto; padding: 0 24px; }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; letter-spacing: -0.02em; color: var(--text-dark); }
        h1 { font-size: 2.75rem; line-height: 1.2; }
        h2 { font-size: 2rem; line-height: 1.25; }
        h3 { font-size: 1.4rem; font-weight: 600; line-height: 1.4; }
        p { font-size: 1rem; line-height: 1.7; color: var(--text-dark); margin-bottom: 0; }
        .text-muted { color: var(--text-muted) !important; }
        .text-gold { color: var(--accent-gold); }
        .bg-warm { background: var(--bg-warm); }
        .bg-card { background: var(--card-bg); }

        /* Header & Nav */
        .navbar-main {
            background: rgba(255,255,255,0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
            position: sticky;
            top: 0;
            z-index: 1040;
            transition: background 0.3s;
        }
        .navbar-main .navbar {
            padding: 0.6rem 0;
        }
        .navbar-main .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: -0.02em;
        }
        .navbar-main .navbar-brand .brand-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--primary-dark), var(--primary-mid));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
        }
        .navbar-main .navbar-brand:hover { color: var(--primary-dark); }
        .navbar-main .nav-link {
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-dark);
            padding: 0.6rem 1rem !important;
            border-radius: 4px;
            position: relative;
            transition: color 0.25s;
        }
        .navbar-main .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 1rem;
            right: 1rem;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-gold), var(--accent-green));
            transform: scaleX(0);
            transition: transform 0.3s;
            border-radius: 1px;
        }
        .navbar-main .nav-link:hover { color: var(--primary-dark); }
        .navbar-main .nav-link:hover::after { transform: scaleX(1); }
        .navbar-main .nav-link.active { color: var(--primary-dark); }
        .navbar-main .nav-link.active::after { transform: scaleX(1); }
        .navbar-toggler { border: none; padding: 0.5rem; }
        .navbar-toggler:focus { box-shadow: none; }
        .navbar-toggler-icon { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%232a1a3a' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e"); }

        /* Breadcrumb */
        .breadcrumb-area {
            padding: 24px 0 0;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .breadcrumb-area a { color: var(--text-muted); }
        .breadcrumb-area a:hover { color: var(--accent-gold); }
        .breadcrumb-area span { color: var(--text-muted); }
        .breadcrumb-area .current { color: var(--text-dark); font-weight: 500; }

        /* Article Header */
        .article-header {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 40px 48px;
            margin: 16px 0 32px;
            box-shadow: var(--shadow-card);
        }
        .article-header h1 {
            font-size: 2.2rem;
            margin-bottom: 16px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            align-items: center;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .article-meta .badge-cat {
            background: var(--bg-warm);
            color: var(--accent-gold);
            padding: 4px 16px;
            border-radius: var(--radius-pill);
            font-size: 0.8rem;
            font-weight: 500;
            border: 1px solid rgba(200,145,58,0.25);
        }
        .article-meta i { margin-right: 6px; color: var(--accent-gold); }

        /* Article Content */
        .article-body {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 48px 56px;
            margin-bottom: 40px;
            box-shadow: var(--shadow-card);
            max-width: 720px;
            margin-left: auto;
            margin-right: auto;
        }
        .article-body .article-content {
            font-size: 1.05rem;
            line-height: 1.8;
            color: var(--text-dark);
        }
        .article-body .article-content p {
            margin-bottom: 24px;
            font-size: 1.05rem;
            line-height: 1.8;
        }
        .article-body .article-content h2 {
            font-size: 1.6rem;
            margin: 40px 0 16px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--bg-warm);
        }
        .article-body .article-content h3 {
            font-size: 1.25rem;
            margin: 32px 0 12px;
            font-weight: 600;
        }
        .article-body .article-content blockquote {
            border-left: 4px solid var(--accent-gold);
            background: var(--bg-warm);
            padding: 16px 24px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: normal;
            color: var(--text-muted);
        }
        .article-body .article-content ul,
        .article-body .article-content ol {
            margin: 16px 0 24px;
            padding-left: 24px;
        }
        .article-body .article-content li {
            margin-bottom: 8px;
            line-height: 1.7;
        }
        .article-body .article-content img {
            border-radius: var(--radius-md);
            margin: 24px auto;
            box-shadow: var(--shadow-card);
        }
        .article-body .article-content a {
            color: var(--accent-gold);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-body .article-content a:hover { color: var(--primary-mid); }
        .article-body .article-content code {
            background: var(--bg-warm);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9rem;
        }
        .article-body .article-content pre {
            background: var(--text-dark);
            color: #e8e0d8;
            padding: 20px 24px;
            border-radius: var(--radius-md);
            overflow-x: auto;
            margin: 24px 0;
        }
        .article-body .article-content pre code { background: transparent; color: inherit; padding: 0; }

        .article-not-found {
            text-align: center;
            padding: 60px 24px;
            color: var(--text-muted);
        }
        .article-not-found p { font-size: 1.2rem; margin-bottom: 20px; }
        .article-not-found .btn-back {
            display: inline-block;
            padding: 12px 32px;
            border: 2px solid var(--accent-gold);
            border-radius: var(--radius-sm);
            color: var(--accent-gold);
            font-weight: 600;
            transition: all 0.3s;
        }
        .article-not-found .btn-back:hover {
            background: var(--accent-gold);
            color: #fff;
        }

        /* Related Posts */
        .related-section {
            padding: 48px 0 24px;
        }
        .related-section h2 {
            font-size: 1.6rem;
            margin-bottom: 32px;
            position: relative;
            display: inline-block;
            padding-bottom: 8px;
        }
        .related-section h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-gold), var(--accent-green));
            border-radius: 2px;
        }
        .related-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform 0.3s, box-shadow 0.3s;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .related-card .card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            display: block;
        }
        .related-card .card-body {
            padding: 20px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card .card-body h3 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .related-card .card-body h3 a { color: var(--text-dark); }
        .related-card .card-body h3 a:hover { color: var(--accent-gold); }
        .related-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
            margin-bottom: 12px;
        }
        .related-card .card-body .meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .related-card .card-body .meta i { color: var(--accent-gold); }

        /* Bottom Actions */
        .bottom-actions {
            padding: 24px 0 48px;
            text-align: center;
        }
        .btn-back-list {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 36px;
            border: 2px solid var(--accent-gold);
            border-radius: var(--radius-sm);
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 1rem;
            background: transparent;
            transition: all 0.3s;
            cursor: pointer;
        }
        .btn-back-list:hover {
            background: var(--accent-gold);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-back-list:active {
            transform: translateY(0);
            filter: brightness(0.94);
        }

        /* Footer */
        .site-footer {
            background: #1a1a2e;
            color: #b0b0bc;
            padding: 60px 0 0;
            margin-top: 40px;
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .site-footer .footer-brand .brand-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-green));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
        }
        .site-footer .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: #8a8a9a;
            margin-bottom: 0;
        }
        .site-footer h5 {
            font-size: 1rem;
            font-weight: 600;
            color: #e0e0ea;
            margin-bottom: 16px;
            letter-spacing: 0;
        }
        .site-footer ul { list-style: none; padding: 0; margin: 0; }
        .site-footer ul li { margin-bottom: 10px; }
        .site-footer ul li a {
            color: #8a8a9a;
            font-size: 0.9rem;
            transition: color 0.25s;
        }
        .site-footer ul li a:hover { color: var(--accent-gold); }
        .site-footer .footer-social {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .site-footer .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            color: #b0b0bc;
            font-size: 1.2rem;
            transition: background 0.3s, color 0.3s;
        }
        .site-footer .footer-social a:hover {
            background: var(--accent-gold);
            color: #fff;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding: 20px 0;
            margin-top: 40px;
            text-align: center;
        }
        .site-footer .footer-bottom p {
            font-size: 0.85rem;
            color: #6a6a7a;
            margin: 0;
        }
        .site-footer .footer-bottom a {
            color: #8a8a9a;
        }
        .site-footer .footer-bottom a:hover {
            color: var(--accent-gold);
        }

        /* Responsive */
        @media (max-width: 992px) {
            .navbar-main .navbar-brand { font-size: 1.3rem; }
            .navbar-main .navbar-brand .brand-icon { width: 36px; height: 36px; font-size: 1rem; }
            .article-header { padding: 28px 24px; }
            .article-header h1 { font-size: 1.6rem; }
            .article-body { padding: 28px 24px; }
            .article-body .article-content { font-size: 1rem; }
        }
        @media (max-width: 768px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.5rem; }
            .navbar-main .navbar-brand { font-size: 1.1rem; }
            .navbar-main .navbar-brand .brand-icon { width: 32px; height: 32px; font-size: 0.9rem; }
            .article-header { padding: 20px 16px; border-radius: var(--radius-md); }
            .article-header h1 { font-size: 1.3rem; }
            .article-body { padding: 20px 16px; border-radius: var(--radius-md); }
            .article-body .article-content h2 { font-size: 1.3rem; }
            .article-body .article-content h3 { font-size: 1.1rem; }
            .related-card .card-body { padding: 16px 16px 20px; }
            .related-card .card-body h3 { font-size: 1rem; }
            .site-footer { padding: 40px 0 0; }
            .site-footer .footer-brand { font-size: 1.2rem; }
            .container { padding: 0 16px; }
            .container-narrow { padding: 0 16px; }
        }
        @media (max-width: 576px) {
            .article-header h1 { font-size: 1.15rem; }
            .article-meta { font-size: 0.8rem; gap: 8px 12px; }
            .article-body .article-content p { font-size: 0.95rem; }
            .btn-back-list { padding: 10px 24px; font-size: 0.9rem; }
            .related-card .card-img { aspect-ratio: 16 / 10; }
        }

        /* touch target min 44px */
        .navbar-main .nav-link,
        .site-footer .footer-social a,
        .btn-back-list,
        .article-not-found .btn-back { min-height: 44px; display: flex; align-items: center; justify-content: center; }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary-dark: #2a1a3a;
            --primary-mid: #4a2a4a;
            --primary-light: #6a3a4a;
            --bg-warm: #f7f5f0;
            --card-bg: #ffffff;
            --text-dark: #1a1a2e;
            --text-muted: #5a5a6a;
            --accent-gold: #c8913a;
            --accent-green: #6a9a7a;
            --border-light: #d5d0cb;
            --shadow-sm: 0 8px 30px rgba(42,26,58,0.06);
            --shadow-hover: 0 12px 44px rgba(42,26,58,0.12);
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --radius-pill: 16px;
            --font-stack: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --transition-base: all 0.3s ease;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-stack);
            background: var(--bg-warm);
            color: var(--text-dark);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary-dark);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--accent-gold);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
        }
        ul {
            padding-left: 0;
            list-style: none;
            margin-bottom: 0;
        }

        /* ===== Container ===== */
        .container {
            max-width: 1200px;
            padding-left: 32px;
            padding-right: 32px;
        }
        @media (max-width: 768px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }
        }

        /* ===== Navigation ===== */
        .navbar-main {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            transition: var(--transition-base);
        }
        .navbar-main .navbar {
            padding-top: 0;
            padding-bottom: 0;
            min-height: 70px;
        }
        .navbar-main .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--primary-dark) !important;
            letter-spacing: -0.02em;
            padding: 12px 0;
        }
        .navbar-main .navbar-brand .brand-icon {
            color: var(--accent-gold);
            font-size: 1.6rem;
        }
        .navbar-main .nav-link {
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-muted) !important;
            padding: 22px 16px !important;
            position: relative;
            transition: var(--transition-base);
            letter-spacing: 0.01em;
        }
        .navbar-main .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 16px;
            right: 16px;
            height: 2px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-green));
            transform: scaleX(0);
            transition: transform 0.3s ease;
        }
        .navbar-main .nav-link:hover {
            color: var(--primary-dark) !important;
        }
        .navbar-main .nav-link:hover::after {
            transform: scaleX(1);
        }
        .navbar-main .nav-link.active {
            color: var(--primary-dark) !important;
        }
        .navbar-main .nav-link.active::after {
            transform: scaleX(1);
        }
        .navbar-main .navbar-toggler {
            border: none;
            padding: 8px 10px;
            font-size: 1.4rem;
            color: var(--primary-dark);
        }
        .navbar-main .navbar-toggler:focus {
            box-shadow: none;
        }
        .navbar-main .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(42,26,58,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        @media (max-width: 992px) {
            .navbar-main .navbar-collapse {
                background: var(--card-bg);
                padding: 16px 20px;
                border-radius: var(--radius-md);
                box-shadow: var(--shadow-hover);
                margin-top: 8px;
            }
            .navbar-main .nav-link {
                padding: 14px 12px !important;
                font-size: 1.1rem;
                border-bottom: 1px solid rgba(0, 0, 0, 0.04);
            }
            .navbar-main .nav-link::after {
                display: none;
            }
            .navbar-main .nav-link.active {
                color: var(--accent-gold) !important;
                background: rgba(200, 145, 58, 0.06);
                border-radius: var(--radius-sm);
            }
        }
        @media (max-width: 576px) {
            .navbar-main .navbar-brand {
                font-size: 1.25rem;
            }
            .navbar-main .navbar-brand .brand-icon {
                font-size: 1.3rem;
            }
        }

        /* ===== Hero / Banner ===== */
        .category-hero {
            padding: 160px 0 80px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-mid) 50%, var(--primary-light) 100%);
            position: relative;
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.18;
            mix-blend-mode: overlay;
        }
        .category-hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(42, 26, 58, 0.5) 0%, transparent 70%);
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .category-hero h1 {
            font-size: 2.75rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: #fff;
            margin-bottom: 20px;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }
        .category-hero .hero-sub {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            line-height: 1.7;
            margin-bottom: 28px;
        }
        .category-hero .hero-meta {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
        }
        .category-hero .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.95rem;
        }
        .category-hero .hero-meta-item i {
            color: var(--accent-gold);
            font-size: 1.2rem;
        }
        @media (max-width: 768px) {
            .category-hero {
                padding: 130px 0 60px;
                min-height: 340px;
            }
            .category-hero h1 {
                font-size: 2rem;
            }
            .category-hero .hero-sub {
                font-size: 1rem;
            }
            .category-hero .hero-meta {
                gap: 20px;
            }
        }
        @media (max-width: 576px) {
            .category-hero h1 {
                font-size: 1.7rem;
            }
            .category-hero .hero-meta {
                flex-direction: column;
                gap: 12px;
            }
        }

        /* ===== Section Spacing ===== */
        section {
            padding: 100px 0;
        }
        @media (max-width: 768px) {
            section {
                padding: 60px 0;
            }
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--text-dark);
            margin-bottom: 16px;
            position: relative;
        }
        .section-title .deco-line {
            display: inline-block;
            width: 60px;
            height: 4px;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-green));
            border-radius: 4px;
            margin-right: 18px;
            vertical-align: middle;
        }
        .section-sub {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 700px;
            margin-bottom: 48px;
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-title .deco-line {
                width: 40px;
                margin-right: 12px;
            }
            .section-sub {
                font-size: 0.95rem;
                margin-bottom: 32px;
            }
        }

        /* ===== Cards ===== */
        .card-custom {
            background: var(--card-bg);
            border: none;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition-base);
            height: 100%;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .card-custom .card-img-top {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .card-custom:hover .card-img-top {
            transform: scale(1.04);
        }
        .card-custom .card-body {
            padding: 28px 28px 32px;
        }
        .card-custom .card-title {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--text-dark);
        }
        .card-custom .card-text {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .card-custom .card-tag {
            display: inline-block;
            font-size: 0.8rem;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            background: rgba(200, 145, 58, 0.12);
            color: var(--accent-gold);
            font-weight: 500;
            margin-bottom: 12px;
        }
        .card-custom .card-link {
            font-weight: 500;
            color: var(--accent-gold);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition-base);
        }
        .card-custom .card-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }
        @media (max-width: 576px) {
            .card-custom .card-body {
                padding: 20px;
            }
            .card-custom .card-img-top {
                height: 160px;
            }
            .card-custom .card-title {
                font-size: 1.15rem;
            }
        }

        /* ===== Features Strip ===== */
        .features-strip {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 48px 40px;
            margin-top: -40px;
            position: relative;
            z-index: 3;
        }
        .features-strip .feature-item {
            text-align: center;
            padding: 16px 12px;
        }
        .features-strip .feature-icon {
            font-size: 2.2rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }
        .features-strip .feature-title {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-dark);
        }
        .features-strip .feature-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }
        @media (max-width: 768px) {
            .features-strip {
                padding: 32px 20px;
                margin-top: -20px;
            }
            .features-strip .feature-item {
                padding: 12px 8px;
            }
        }

        /* ===== Category Intro ===== */
        .category-intro {
            padding-top: 60px;
        }
        .category-intro .intro-text {
            font-size: 1.1rem;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 860px;
            margin: 0 auto 32px;
            text-align: center;
        }
        .category-intro .intro-badge {
            display: inline-block;
            padding: 8px 24px;
            border-radius: var(--radius-pill);
            background: linear-gradient(135deg, rgba(42, 26, 58, 0.06), rgba(106, 58, 74, 0.08));
            color: var(--primary-dark);
            font-weight: 500;
            font-size: 0.9rem;
            border: 1px solid rgba(42, 26, 58, 0.1);
        }
        @media (max-width: 768px) {
            .category-intro .intro-text {
                font-size: 1rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--card-bg);
        }
        .faq-section .accordion-item {
            border: none;
            border-bottom: 1px solid rgba(0, 0, 0, 0.06);
            background: transparent;
        }
        .faq-section .accordion-button {
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--text-dark);
            background: transparent;
            padding: 20px 0;
            box-shadow: none;
            border: none;
            position: relative;
        }
        .faq-section .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23c8913a'%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: transform 0.3s ease;
        }
        .faq-section .accordion-button:not(.collapsed)::after {
            transform: rotate(-180deg);
        }
        .faq-section .accordion-button:not(.collapsed) {
            color: var(--accent-gold);
            background: transparent;
        }
        .faq-section .accordion-button:hover {
            background: rgba(247, 245, 240, 0.6);
        }
        .faq-section .accordion-body {
            padding: 0 0 24px 0;
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .faq-section .accordion-button:focus {
            box-shadow: none;
            border-color: transparent;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-mid) 50%, var(--primary-light) 100%);
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .cta-section .btn-cta {
            display: inline-block;
            padding: 16px 48px;
            font-size: 1.1rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent-gold), #d4a04a);
            color: #fff;
            border: none;
            transition: var(--transition-base);
            box-shadow: 0 8px 28px rgba(200, 145, 58, 0.35);
            letter-spacing: 0.02em;
        }
        .cta-section .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(200, 145, 58, 0.45);
            color: #fff;
        }
        .cta-section .btn-cta:active {
            transform: translateY(0);
            box-shadow: 0 4px 16px rgba(200, 145, 58, 0.3);
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 60px 0;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section p {
                font-size: 1rem;
            }
            .cta-section .btn-cta {
                padding: 14px 36px;
                font-size: 1rem;
            }
        }

        /* ===== Buttons ===== */
        .btn-outline-gold {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 1rem;
            font-weight: 500;
            border-radius: var(--radius-sm);
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            background: transparent;
            transition: var(--transition-base);
        }
        .btn-outline-gold:hover {
            background: rgba(200, 145, 58, 0.12);
            color: var(--accent-gold);
            transform: translateY(-2px);
        }
        .btn-outline-gold:active {
            background: rgba(200, 145, 58, 0.2);
            transform: translateY(0);
        }
        .btn-primary-gradient {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            font-size: 1.05rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary-dark), var(--primary-mid));
            color: #fff;
            border: none;
            transition: var(--transition-base);
            box-shadow: 0 6px 20px rgba(42, 26, 58, 0.25);
        }
        .btn-primary-gradient:hover {
            background: linear-gradient(135deg, #3a2550, #5a3a5a);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(42, 26, 58, 0.35);
            color: #fff;
        }
        .btn-primary-gradient:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(42, 26, 58, 0.2);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #1a1a2e;
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 0;
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .site-footer .footer-brand .brand-icon {
            color: var(--accent-gold);
            font-size: 1.4rem;
        }
        .site-footer .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 280px;
        }
        .site-footer h5 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }
        .site-footer ul li {
            margin-bottom: 10px;
        }
        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .site-footer ul li a:hover {
            color: var(--accent-gold);
            transform: translateX(4px);
        }
        .site-footer .footer-social {
            display: flex;
            gap: 16px;
            margin-top: 8px;
        }
        .site-footer .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.2rem;
            transition: var(--transition-base);
        }
        .site-footer .footer-social a:hover {
            background: var(--accent-gold);
            color: #fff;
            transform: translateY(-3px);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 24px 0;
            margin-top: 40px;
            text-align: center;
        }
        .site-footer .footer-bottom p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            margin-bottom: 0;
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--accent-gold);
        }
        @media (max-width: 768px) {
            .site-footer {
                padding: 40px 0 0;
            }
            .site-footer .footer-brand {
                font-size: 1.15rem;
            }
            .site-footer .footer-desc {
                max-width: 100%;
            }
            .site-footer .footer-social {
                gap: 12px;
            }
            .site-footer .footer-social a {
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
            }
        }

        /* ===== Utility ===== */
        .text-gold {
            color: var(--accent-gold);
        }
        .bg-warm {
            background: var(--bg-warm);
        }
        .gap-32 {
            gap: 32px;
        }
        .mt-40 {
            margin-top: 40px;
        }
        .mb-40 {
            margin-bottom: 40px;
        }
        .min-touch {
            min-height: 44px;
            min-width: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        /* ===== Responsive Grid Tuning ===== */
        @media (max-width: 992px) {
            .row-cols-md-2>.col {
                flex: 0 0 50%;
                max-width: 50%;
            }
        }
        @media (max-width: 768px) {
            .row-cols-md-2>.col {
                flex: 0 0 100%;
                max-width: 100%;
            }
            .row-cols-lg-3>.col {
                flex: 0 0 100%;
                max-width: 100%;
            }
            .row-cols-lg-4>.col {
                flex: 0 0 50%;
                max-width: 50%;
            }
        }
        @media (max-width: 576px) {
            .row-cols-lg-4>.col {
                flex: 0 0 100%;
                max-width: 100%;
            }
            .features-strip .row-cols-3>.col {
                flex: 0 0 100%;
                max-width: 100%;
            }
        }

        /* ===== Additional Spacing ===== */
        .mt-section {
            margin-top: 100px;
        }
        @media (max-width: 768px) {
            .mt-section {
                margin-top: 60px;
            }
        }

        /* ===== Focus & Accessibility ===== */
        a:focus-visible,
        button:focus-visible,
        .btn:focus-visible {
            outline: 3px solid var(--accent-gold);
            outline-offset: 2px;
        }
        .navbar-main .nav-link:focus-visible {
            outline-offset: -2px;
        }