/* roulang page: index */
/* ========== Design Variables ========== */
        :root {
            --color-primary: #c8252b;
            --color-primary-dark: #a01e22;
            --color-primary-light: #e84e54;
            --color-secondary: #d4a84b;
            --color-secondary-light: #f0d48a;
            --color-accent: #1a1a2e;
            --color-dark: #0d0d1a;
            --color-dark-alt: #16162a;
            --color-bg: #0f0f1e;
            --color-bg-card: #1a1a32;
            --color-bg-card-hover: #222244;
            --color-text: #f0ece4;
            --color-text-muted: #a09888;
            --color-text-light: #d0c8b8;
            --color-border: rgba(212, 168, 75, 0.2);
            --color-border-hover: rgba(212, 168, 75, 0.5);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 8px 32px rgba(0,0,0,0.4);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.5);
            --shadow-glow: 0 0 40px rgba(200, 37, 43, 0.15);
            --transition: all 0.3s ease;
            --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --nav-height: 70px;
            --nav-sub-height: 52px;
        }

        /* ========== Reset & Base ========== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            overflow-x: hidden;
            padding-top: calc(var(--nav-height) + var(--nav-sub-height));
        }
        a { color: var(--color-secondary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--color-secondary-light); }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.25; color: var(--color-text); }
        .container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
        .container-fluid { padding: 0 24px; }

        /* ========== Scrollbar ========== */
        ::-webkit-scrollbar { width: 6px; }
        ::-webkit-scrollbar-track { background: var(--color-dark); }
        ::-webkit-scrollbar-thumb { background: var(--color-primary); border-radius: 3px; }

        /* ========== Navigation ========== */
        .navbar-main {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(13, 13, 26, 0.96);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 4px 30px rgba(0,0,0,0.5);
        }
        .navbar-top {
            height: var(--nav-height);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
            max-width: var(--container-max);
            margin: 0 auto;
            width: 100%;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: 0.5px;
            text-decoration: none;
        }
        .navbar-brand:hover { color: var(--color-secondary); }
        .navbar-brand .brand-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            flex-shrink: 0;
        }
        .navbar-brand .brand-text {
            background: linear-gradient(135deg, var(--color-text), var(--color-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .nav-search {
            position: relative;
            display: none;
        }
        .nav-search input {
            background: rgba(255,255,255,0.08);
            border: 1px solid var(--color-border);
            border-radius: 50px;
            padding: 8px 16px 8px 40px;
            color: var(--color-text);
            font-size: 0.875rem;
            width: 200px;
            transition: var(--transition);
            outline: none;
        }
        .nav-search input:focus {
            border-color: var(--color-secondary);
            background: rgba(255,255,255,0.12);
            width: 260px;
        }
        .nav-search i {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--color-text-muted);
            font-size: 0.875rem;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            color: #fff;
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }
        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 37, 43, 0.35);
            color: #fff;
        }
        .nav-cta i { font-size: 0.8rem; }

        /* Sub Navigation - Tabs */
        .navbar-sub {
            height: var(--nav-sub-height);
            background: rgba(22, 22, 42, 0.9);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 0 24px;
            max-width: var(--container-max);
            margin: 0 auto;
            width: 100%;
        }
        .navbar-sub::-webkit-scrollbar { display: none; }
        .nav-tabs-custom {
            display: flex;
            gap: 4px;
            padding: 4px 0;
            flex-wrap: nowrap;
        }
        .nav-tabs-custom .nav-link {
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-text-muted);
            background: transparent;
            border: none;
            transition: var(--transition);
            white-space: nowrap;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .nav-tabs-custom .nav-link:hover {
            color: var(--color-text);
            background: rgba(255,255,255,0.06);
        }
        .nav-tabs-custom .nav-link.active {
            color: var(--color-text);
            background: rgba(200, 37, 43, 0.2);
            box-shadow: inset 0 0 0 1px rgba(200, 37, 43, 0.3);
        }
        .nav-tabs-custom .nav-link i { font-size: 0.75rem; }

        /* Mobile Toggle */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--color-text);
            font-size: 1.4rem;
            cursor: pointer;
            padding: 4px 8px;
        }

        /* ========== Hero Section ========== */
        .hero {
            position: relative;
            min-height: 80vh;
            display: flex;
            align-items: center;
            background: var(--color-dark);
            overflow: hidden;
            padding: 80px 0 60px;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            opacity: 0.25;
            transform: scale(1.05);
            transition: transform 8s ease;
        }
        .hero:hover .hero-bg { transform: scale(1.0); }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13,13,26,0.92) 0%, rgba(13,13,26,0.6) 50%, rgba(200,37,43,0.15) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 820px;
            margin: 0 auto;
            text-align: center;
            padding: 0 24px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(212, 168, 75, 0.15);
            border: 1px solid rgba(212, 168, 75, 0.25);
            border-radius: 50px;
            padding: 6px 18px;
            font-size: 0.8rem;
            color: var(--color-secondary);
            margin-bottom: 24px;
            letter-spacing: 0.5px;
        }
        .hero-badge i { font-size: 0.7rem; }
        .hero h1 {
            font-size: clamp(2.2rem, 6vw, 4.2rem);
            font-weight: 800;
            line-height: 1.1;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .hero h1 .highlight {
            background: linear-gradient(135deg, var(--color-secondary), var(--color-primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-sub {
            font-size: clamp(1rem, 2vw, 1.25rem);
            color: var(--color-text-light);
            max-width: 640px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            margin-bottom: 40px;
        }
        .hero-actions .btn {
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            border: none;
            text-decoration: none;
        }
        .btn-primary-custom {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            color: #fff;
            box-shadow: 0 4px 20px rgba(200, 37, 43, 0.3);
        }
        .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 40px rgba(200, 37, 43, 0.45);
            color: #fff;
        }
        .btn-outline-custom {
            background: transparent;
            color: var(--color-text);
            border: 1px solid var(--color-border);
        }
        .btn-outline-custom:hover {
            background: rgba(255,255,255,0.06);
            border-color: var(--color-secondary);
            color: var(--color-secondary);
            transform: translateY(-3px);
        }
        .hero-countdown {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 16px;
        }
        .countdown-item {
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 12px 20px;
            min-width: 80px;
            text-align: center;
        }
        .countdown-item .num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-secondary);
            display: block;
            line-height: 1.2;
        }
        .countdown-item .label {
            font-size: 0.7rem;
            color: var(--color-text-muted);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .hero-scroll {
            position: absolute;
            bottom: 24px;
            left: 50%;
            transform: translateX(-50%);
            color: var(--color-text-muted);
            font-size: 1.2rem;
            animation: bounce-up 2s infinite;
            z-index: 2;
        }
        @keyframes bounce-up {
            0%, 100% { transform: translateX(-50%) translateY(0); }
            50% { transform: translateX(-50%) translateY(-8px); }
        }

        /* ========== Section Common ========== */
        .section {
            padding: 80px 0;
        }
        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }
        .section-header h2 {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-header .subtitle {
            color: var(--color-text-muted);
            font-size: 1.05rem;
            line-height: 1.7;
        }
        .section-header .accent-line {
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
            border-radius: 2px;
            margin: 16px auto 0;
        }
        .bg-dark-alt { background: var(--color-dark-alt); }
        .bg-darker { background: var(--color-dark); }

        /* ========== Feature Cards ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }
        .feature-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
            opacity: 0;
            transition: var(--transition);
        }
        .feature-card:hover {
            background: var(--color-bg-card-hover);
            border-color: var(--color-border-hover);
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }
        .feature-card:hover::before { opacity: 1; }
        .feature-card .icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            background: rgba(200, 37, 43, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--color-secondary);
            margin-bottom: 18px;
        }
        .feature-card h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
            font-weight: 600;
        }
        .feature-card p {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ========== Countdown / Event Banner ========== */
        .event-banner {
            background: linear-gradient(135deg, var(--color-accent), var(--color-dark-alt));
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            margin-top: 32px;
            position: relative;
            overflow: hidden;
        }
        .event-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(200,37,43,0.08), transparent);
            border-radius: 50%;
        }
        .event-banner .info h3 {
            font-size: 1.6rem;
            margin-bottom: 6px;
        }
        .event-banner .info p {
            color: var(--color-text-muted);
            font-size: 0.95rem;
        }
        .event-banner .countdown {
            display: flex;
            gap: 16px;
        }
        .event-banner .countdown .cd-item {
            text-align: center;
            background: rgba(255,255,255,0.04);
            border-radius: var(--radius-sm);
            padding: 10px 18px;
            min-width: 64px;
            border: 1px solid var(--color-border);
        }
        .event-banner .countdown .cd-item .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--color-secondary);
            display: block;
            line-height: 1.2;
        }
        .event-banner .countdown .cd-item .lbl {
            font-size: 0.65rem;
            color: var(--color-text-muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        /* ========== CMS / Content List ========== */
        .content-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 24px;
        }
        .content-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .content-card:hover {
            transform: translateY(-6px);
            border-color: var(--color-border-hover);
            box-shadow: var(--shadow-md);
        }
        .content-card .card-img {
            height: 180px;
            background: var(--color-dark-alt);
            overflow: hidden;
            position: relative;
        }
        .content-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .content-card:hover .card-img img { transform: scale(1.05); }
        .content-card .card-img .tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(200, 37, 43, 0.85);
            color: #fff;
            font-size: 0.7rem;
            padding: 4px 12px;
            border-radius: 50px;
            font-weight: 500;
        }
        .content-card .card-body {
            padding: 20px 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .content-card .card-body .meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-bottom: 8px;
        }
        .content-card .card-body .meta i { margin-right: 4px; }
        .content-card .card-body h3 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .content-card .card-body h3 a {
            color: var(--color-text);
            text-decoration: none;
        }
        .content-card .card-body h3 a:hover { color: var(--color-secondary); }
        .content-card .card-body p {
            color: var(--color-text-muted);
            font-size: 0.88rem;
            line-height: 1.6;
            flex: 1;
            margin-bottom: 12px;
        }
        .content-card .card-body .read-more {
            color: var(--color-secondary);
            font-size: 0.85rem;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            text-decoration: none;
        }
        .content-card .card-body .read-more:hover { gap: 10px; }

        .empty-list {
            text-align: center;
            padding: 48px 24px;
            color: var(--color-text-muted);
            font-size: 1rem;
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            border: 1px dashed var(--color-border);
        }
        .empty-list i { font-size: 2rem; margin-bottom: 12px; opacity: 0.4; }

        /* ========== Stats / Social Proof ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 24px;
            text-align: center;
        }
        .stat-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 28px 16px;
            transition: var(--transition);
        }
        .stat-item:hover {
            border-color: var(--color-border-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-sm);
        }
        .stat-item .number {
            font-size: 2.4rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--color-secondary), var(--color-primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }
        .stat-item .label {
            color: var(--color-text-muted);
            font-size: 0.85rem;
            margin-top: 4px;
        }

        /* ========== Testimonials ========== */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }
        .testimonial-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: var(--transition);
        }
        .testimonial-card:hover {
            border-color: var(--color-border-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-sm);
        }
        .testimonial-card .stars {
            color: var(--color-secondary);
            font-size: 0.9rem;
            margin-bottom: 12px;
        }
        .testimonial-card blockquote {
            color: var(--color-text-light);
            font-size: 0.92rem;
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
        }
        .testimonial-card .author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .testimonial-card .author .avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: #fff;
            font-weight: 600;
        }
        .testimonial-card .author .name {
            font-size: 0.9rem;
            font-weight: 600;
        }
        .testimonial-card .author .role {
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--color-border-hover); }
        .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 500;
            font-size: 1rem;
            color: var(--color-text);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-question:hover { color: var(--color-secondary); }
        .faq-question i {
            font-size: 0.8rem;
            transition: transform 0.3s ease;
            color: var(--color-text-muted);
        }
        .faq-question[aria-expanded="true"] i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 24px 18px;
            color: var(--color-text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            display: none;
        }
        .faq-answer.show { display: block; }
        .faq-answer p { margin-bottom: 0; }

        /* ========== CTA Section ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary-dark), var(--color-accent));
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(212,168,75,0.08), transparent);
            border-radius: 50%;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -20%;
            right: -10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255,255,255,0.03), transparent);
            border-radius: 50%;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255,255,255,0.75);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto 28px;
        }
        .cta-section .btn {
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            background: var(--color-secondary);
            color: var(--color-dark);
            border: none;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
        }
        .cta-section .btn:hover {
            background: var(--color-secondary-light);
            transform: translateY(-3px);
            box-shadow: 0 10px 40px rgba(212, 168, 75, 0.3);
        }

        /* ========== Footer ========== */
        .footer {
            background: var(--color-dark);
            border-top: 1px solid var(--color-border);
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .logo {
            font-size: 1.2rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
            color: var(--color-text);
        }
        .footer-brand .logo .brand-icon-sm {
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            color: #fff;
        }
        .footer-brand p {
            color: var(--color-text-muted);
            font-size: 0.88rem;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer h4 {
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--color-text-light);
        }
        .footer ul li { margin-bottom: 8px; }
        .footer ul li a {
            color: var(--color-text-muted);
            font-size: 0.85rem;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer ul li a:hover { color: var(--color-secondary); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--color-text-muted);
        }
        .footer-bottom a { color: var(--color-text-muted); }
        .footer-bottom a:hover { color: var(--color-secondary); }
        .footer-socials {
            display: flex;
            gap: 12px;
        }
        .footer-socials a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
            text-decoration: none;
        }
        .footer-socials a:hover {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
            transform: translateY(-3px);
        }

        /* ========== Responsive ========== */
        @media (min-width: 992px) {
            .nav-search { display: block; }
        }
        @media (max-width: 991.98px) {
            .nav-toggle { display: block; }
            .nav-actions .nav-cta span { display: none; }
            .nav-actions .nav-cta { padding: 8px 14px; }
            .navbar-brand { font-size: 1.1rem; }
            .navbar-sub { padding: 0 16px; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .hero { min-height: 70vh; padding: 60px 0 40px; }
            .event-banner { flex-direction: column; text-align: center; padding: 32px 24px; }
            .event-banner .countdown { justify-content: center; }
        }
        @media (max-width: 767.98px) {
            body { padding-top: calc(var(--nav-height) + var(--nav-sub-height)); }
            .navbar-top { padding: 0 16px; }
            .navbar-sub { padding: 0 12px; }
            .nav-tabs-custom .nav-link { padding: 6px 14px; font-size: 0.8rem; }
            .section { padding: 48px 0; }
            .section-header { margin-bottom: 32px; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .hero-countdown { gap: 12px; }
            .countdown-item { padding: 8px 14px; min-width: 60px; }
            .countdown-item .num { font-size: 1.4rem; }
            .features-grid { grid-template-columns: 1fr; }
            .content-grid { grid-template-columns: 1fr; }
            .testimonials-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr 1fr; }
            .cta-section { padding: 40px 24px; }
            .hero { min-height: 60vh; padding: 40px 0 32px; }
            .hero h1 { font-size: clamp(1.8rem, 8vw, 2.8rem); }
            .hero-sub { font-size: 1rem; }
            .hero-actions .btn { padding: 12px 24px; font-size: 0.9rem; }
            .event-banner .countdown .cd-item { padding: 8px 12px; min-width: 52px; }
            .event-banner .countdown .cd-item .num { font-size: 1.3rem; }
        }
        @media (max-width: 520px) {
            .navbar-brand { font-size: 0.95rem; }
            .navbar-brand .brand-icon { width: 30px; height: 30px; font-size: 0.9rem; }
            .nav-tabs-custom { gap: 2px; }
            .nav-tabs-custom .nav-link { padding: 5px 10px; font-size: 0.72rem; }
            .hero-actions { flex-direction: column; align-items: center; }
            .hero-actions .btn { width: 100%; justify-content: center; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
            .stat-item { padding: 20px 12px; }
            .stat-item .number { font-size: 1.8rem; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

        /* ========== Utility ========== */
        .text-gold { color: var(--color-secondary); }
        .text-muted-custom { color: var(--color-text-muted); }
        .mb-0 { margin-bottom: 0; }
        .mt-2 { margin-top: 8px; }
        .mt-3 { margin-top: 16px; }
        .mt-4 { margin-top: 24px; }
        .gap-2 { gap: 8px; }
        .gap-3 { gap: 16px; }
        .d-flex { display: flex; }
        .align-center { align-items: center; }
        .justify-center { justify-content: center; }
        .flex-wrap { flex-wrap: wrap; }
        .text-center { text-align: center; }
        .w-100 { width: 100%; }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #c0392b;
            --primary-dark: #a93226;
            --primary-light: #e74c3c;
            --secondary: #2c3e50;
            --accent: #f39c12;
            --accent-light: #f1c40f;
            --bg-dark: #1a1a2e;
            --bg-card: #ffffff;
            --bg-section: #f8f9fa;
            --bg-footer: #0f0f1a;
            --text-dark: #1a1a2e;
            --text-body: #2c3e50;
            --text-light: #6c757d;
            --text-white: #ffffff;
            --border-color: #e9ecef;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.10);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.14);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-scale: 1.125;
            --container-max: 1200px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

        html { scroll-behavior: smooth; font-size: 16px; }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            color: var(--text-body);
            background: var(--bg-section);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        .container { max-width: var(--container-max); margin: 0 auto; padding: 0 20px; }

        /* ===== 导航 ===== */
        .navbar-main {
            background: var(--bg-dark);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0,0,0,0.3);
        }

        .navbar-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 12px 20px;
            gap: 16px;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-white);
            font-size: 1.4rem;
            font-weight: 700;
            text-decoration: none;
            letter-spacing: 0.5px;
        }
        .navbar-brand:hover { color: var(--accent); }
        .brand-icon { color: var(--accent); font-size: 1.6rem; }
        .brand-text { background: linear-gradient(135deg, #f39c12, #e74c3c); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: rgba(255,255,255,0.1);
            border-radius: 50px;
            padding: 6px 16px;
            border: 1px solid rgba(255,255,255,0.15);
            transition: var(--transition);
            min-width: 180px;
        }
        .nav-search:focus-within { border-color: var(--accent); background: rgba(255,255,255,0.15); }
        .nav-search i { color: rgba(255,255,255,0.6); font-size: 0.9rem; margin-right: 10px; }
        .nav-search input {
            background: transparent;
            border: none;
            color: var(--text-white);
            font-size: 0.9rem;
            width: 100%;
            padding: 4px 0;
        }
        .nav-search input::placeholder { color: rgba(255,255,255,0.4); }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 6px;
            background: linear-gradient(135deg, var(--accent), var(--primary-light));
            color: var(--text-white) !important;
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            transition: var(--transition);
            text-decoration: none;
        }
        .nav-cta:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(192,57,43,0.4); color: #fff !important; }
        .nav-cta i { font-size: 0.9rem; }

        .nav-toggle { display: none; color: var(--text-white); font-size: 1.4rem; padding: 4px; }

        /* 二级导航 tabs */
        .navbar-sub {
            border-top: 1px solid rgba(255,255,255,0.06);
            background: rgba(0,0,0,0.2);
            padding: 0 20px;
        }

        .nav-tabs-custom {
            display: flex;
            align-items: center;
            gap: 4px;
            max-width: var(--container-max);
            margin: 0 auto;
            overflow-x: auto;
            scrollbar-width: thin;
            scrollbar-color: rgba(255,255,255,0.2) transparent;
            padding: 8px 0;
        }
        .nav-tabs-custom::-webkit-scrollbar { height: 3px; }
        .nav-tabs-custom::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 10px; }

        .nav-link {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 50px;
            color: rgba(255,255,255,0.7);
            font-size: 0.9rem;
            font-weight: 500;
            white-space: nowrap;
            transition: var(--transition);
            text-decoration: none;
        }
        .nav-link i { font-size: 0.85rem; }
        .nav-link:hover { color: var(--text-white); background: rgba(255,255,255,0.08); }
        .nav-link.active {
            color: var(--text-white);
            background: var(--primary);
            box-shadow: 0 2px 12px rgba(192,57,43,0.3);
        }

        /* ===== Hero 文章横幅 ===== */
        .article-hero {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: var(--bg-dark);
            overflow: hidden;
            padding: 80px 20px 60px;
        }
        .article-hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            opacity: 0.25;
            z-index: 1;
        }
        .article-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26,26,46,0.5) 0%, rgba(26,26,46,0.9) 100%);
            z-index: 2;
        }
        .article-hero-content {
            position: relative;
            z-index: 3;
            max-width: 800px;
        }
        .article-hero-content .breadcrumb-custom {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.6);
            margin-bottom: 20px;
        }
        .article-hero-content .breadcrumb-custom a { color: rgba(255,255,255,0.7); }
        .article-hero-content .breadcrumb-custom a:hover { color: var(--accent); }
        .article-hero-content .breadcrumb-custom span { color: rgba(255,255,255,0.4); }

        .article-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.3;
            margin-bottom: 16px;
            text-shadow: 0 2px 20px rgba(0,0,0,0.3);
        }
        .article-hero .meta-line {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
            color: rgba(255,255,255,0.7);
            font-size: 0.95rem;
        }
        .article-hero .meta-line i { margin-right: 6px; color: var(--accent); }
        .article-hero .meta-line .badge-custom {
            background: var(--primary);
            color: #fff;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        /* ===== 正文区域 ===== */
        .article-main {
            padding: 60px 0 80px;
            background: var(--bg-section);
        }
        .article-wrapper {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            align-items: start;
        }

        .article-body {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 40px;
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-body);
        }
        .article-body h2, .article-body h3, .article-body h4 {
            color: var(--text-dark);
            margin-top: 1.8em;
            margin-bottom: 0.8em;
            font-weight: 700;
            line-height: 1.4;
        }
        .article-body h2 { font-size: 1.6rem; border-bottom: 2px solid var(--border-color); padding-bottom: 10px; }
        .article-body h3 { font-size: 1.3rem; }
        .article-body h4 { font-size: 1.1rem; }
        .article-body p { margin-bottom: 1.2em; }
        .article-body ul, .article-body ol { margin-bottom: 1.2em; padding-left: 1.5em; list-style: disc; }
        .article-body ol { list-style: decimal; }
        .article-body li { margin-bottom: 0.4em; }
        .article-body a { color: var(--primary); text-decoration: underline; }
        .article-body a:hover { color: var(--primary-dark); }
        .article-body img { border-radius: var(--radius-sm); margin: 1.5em 0; box-shadow: var(--shadow-sm); }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: #fdf2f0;
            padding: 16px 24px;
            margin: 1.5em 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-dark);
            font-style: italic;
        }
        .article-body .table-wrap { overflow-x: auto; margin: 1.5em 0; }
        .article-body table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
        .article-body th, .article-body td { border: 1px solid var(--border-color); padding: 10px 14px; text-align: left; }
        .article-body th { background: var(--bg-dark); color: var(--text-white); font-weight: 600; }
        .article-body tr:nth-child(even) { background: #f8f9fa; }

        .article-body .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin: 1.5em 0;
        }
        .article-body .tag-list .tag {
            background: var(--bg-section);
            color: var(--text-body);
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 500;
            border: 1px solid var(--border-color);
        }

        /* 无文章提示 */
        .not-found-box {
            text-align: center;
            padding: 80px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
        }
        .not-found-box i { font-size: 4rem; color: var(--text-light); margin-bottom: 20px; display: block; }
        .not-found-box h2 { font-size: 1.8rem; color: var(--text-dark); margin-bottom: 12px; }
        .not-found-box p { color: var(--text-light); margin-bottom: 24px; font-size: 1.05rem; }
        .not-found-box .btn-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 12px 32px;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
        }
        .not-found-box .btn-home:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(192,57,43,0.3); }

        /* ===== 侧边栏 ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 28px;
        }
        .sidebar-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h4 i { color: var(--primary); }
        .sidebar-card ul li { margin-bottom: 10px; }
        .sidebar-card ul li a {
            color: var(--text-body);
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .sidebar-card ul li a:hover { color: var(--primary); transform: translateX(4px); }
        .sidebar-card ul li a i { color: var(--accent); font-size: 0.7rem; }

        .sidebar-cta {
            background: linear-gradient(135deg, var(--bg-dark), #2c3e50);
            color: var(--text-white);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            text-align: center;
        }
        .sidebar-cta h4 { color: var(--text-white); font-size: 1.2rem; margin-bottom: 12px; }
        .sidebar-cta p { color: rgba(255,255,255,0.7); font-size: 0.9rem; margin-bottom: 20px; }
        .sidebar-cta .btn-download {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: var(--text-dark) !important;
            padding: 10px 28px;
            border-radius: 50px;
            font-weight: 700;
            transition: var(--transition);
        }
        .sidebar-cta .btn-download:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(243,156,18,0.4); }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--bg-footer);
            color: rgba(255,255,255,0.8);
            padding: 60px 0 30px;
        }
        .footer .container { max-width: var(--container-max); margin: 0 auto; padding: 0 20px; }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-white);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-brand .logo .brand-icon-sm { color: var(--accent); font-size: 1.6rem; }
        .footer-brand p { font-size: 0.9rem; line-height: 1.8; color: rgba(255,255,255,0.6); max-width: 360px; }
        .footer h4 { font-size: 1rem; font-weight: 600; color: var(--text-white); margin-bottom: 18px; }
        .footer ul li { margin-bottom: 10px; }
        .footer ul li a {
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer ul li a:hover { color: var(--accent); padding-left: 4px; }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 24px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.5);
        }
        .footer-socials { display: flex; gap: 12px; }
        .footer-socials a {
            color: rgba(255,255,255,0.5);
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .footer-socials a:hover { color: var(--accent); transform: scale(1.15); }

        /* ===== 响应式 ===== */
        @media (max-width: 992px) {
            .article-wrapper { grid-template-columns: 1fr; }
            .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .article-hero h1 { font-size: 2rem; }
        }

        @media (max-width: 768px) {
            .navbar-top { padding: 10px 16px; }
            .nav-search { min-width: 120px; }
            .nav-search input { width: 80px; }
            .nav-cta span { display: none; }
            .nav-toggle { display: block; }

            .navbar-sub { overflow-x: auto; }
            .nav-tabs-custom { flex-wrap: nowrap; padding: 6px 0; gap: 2px; }
            .nav-link { font-size: 0.82rem; padding: 6px 14px; }

            .article-hero { min-height: 280px; padding: 60px 16px 40px; }
            .article-hero h1 { font-size: 1.6rem; }
            .article-hero .meta-line { font-size: 0.85rem; gap: 12px; }

            .article-main { padding: 40px 0 60px; }
            .article-body { padding: 24px 16px; font-size: 1rem; }
            .article-body h2 { font-size: 1.3rem; }
            .article-body h3 { font-size: 1.1rem; }

            .article-sidebar { grid-template-columns: 1fr; }

            .footer-grid { grid-template-columns: 1fr; gap: 30px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .footer-brand p { max-width: 100%; }
        }

        @media (max-width: 520px) {
            .nav-search { min-width: 80px; }
            .nav-search input { width: 60px; font-size: 0.8rem; }
            .nav-cta { padding: 6px 14px; font-size: 0.8rem; }

            .article-hero h1 { font-size: 1.3rem; }
            .article-body { padding: 16px 12px; }
            .article-body h2 { font-size: 1.15rem; }
            .article-body h3 { font-size: 1rem; }
        }

        /* ===== 自定义滚动条 ===== */
        ::-webkit-scrollbar { width: 6px; height: 6px; }
        ::-webkit-scrollbar-track { background: var(--bg-section); }
        ::-webkit-scrollbar-thumb { background: var(--text-light); border-radius: 10px; }
        ::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --clr-primary: #8B1A1A;
            --clr-primary-dark: #6B1010;
            --clr-primary-light: #B84A4A;
            --clr-gold: #C9A94E;
            --clr-gold-light: #E8D5B7;
            --clr-beige: #F5F0E8;
            --clr-bg: #FAFAF7;
            --clr-white: #ffffff;
            --clr-text: #1A1A2E;
            --clr-text-light: #5A5A6E;
            --clr-text-lighter: #8A8A9E;
            --clr-border: #E2DDD2;
            --clr-shadow: rgba(26, 26, 46, 0.08);
            --clr-shadow-hover: rgba(26, 26, 46, 0.16);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --shadow-card: 0 4px 20px var(--clr-shadow);
            --shadow-card-hover: 0 12px 40px var(--clr-shadow-hover);
            --shadow-btn: 0 4px 14px rgba(139, 26, 26, 0.30);
            --shadow-btn-hover: 0 8px 28px rgba(139, 26, 26, 0.40);
            --font-sans: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
            --transition: 0.30s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --nav-top-height: 64px;
            --nav-sub-height: 52px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--clr-text);
            background: var(--clr-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--clr-primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--clr-primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: var(--clr-text);
            margin-bottom: 0.5em;
        }
        h1 {
            font-size: clamp(2rem, 5vw, 3.4rem);
        }
        h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            margin-bottom: 0.6em;
        }
        h3 {
            font-size: clamp(1.2rem, 2.5vw, 1.6rem);
        }
        h4 {
            font-size: 1.1rem;
        }
        p {
            margin-bottom: 1rem;
            color: var(--clr-text-light);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .section-padding {
            padding: 80px 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 50px 0;
            }
        }

        /* ===== Navigation ===== */
        .navbar-main {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--clr-white);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
        }
        .navbar-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-top-height);
            padding: 0 24px;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--clr-primary);
            font-weight: 800;
            font-size: 1.25rem;
            letter-spacing: -0.3px;
        }
        .navbar-brand:hover {
            color: var(--clr-primary-dark);
        }
        .brand-icon {
            font-size: 1.6rem;
            color: var(--clr-gold);
        }
        .brand-text {
            white-space: nowrap;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--clr-beige);
            border-radius: 40px;
            padding: 6px 16px 6px 14px;
            gap: 8px;
            border: 1px solid var(--clr-border);
            transition: var(--transition);
        }
        .nav-search:focus-within {
            border-color: var(--clr-gold);
            box-shadow: 0 0 0 3px rgba(201, 169, 78, 0.20);
            background: var(--clr-white);
        }
        .nav-search i {
            color: var(--clr-text-lighter);
            font-size: 0.9rem;
        }
        .nav-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.9rem;
            color: var(--clr-text);
            min-width: 140px;
        }
        .nav-search input::placeholder {
            color: var(--clr-text-lighter);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--clr-primary);
            color: var(--clr-white);
            padding: 8px 20px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            box-shadow: var(--shadow-btn);
            text-decoration: none;
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--clr-primary-dark);
            color: var(--clr-white);
            transform: translateY(-2px);
            box-shadow: var(--shadow-btn-hover);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--clr-text);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: var(--clr-beige);
        }
        .navbar-sub {
            border-top: 1px solid var(--clr-border);
            background: var(--clr-white);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: var(--nav-sub-height);
            display: flex;
            align-items: center;
            overflow-x: auto;
            scrollbar-width: none;
        }
        .navbar-sub::-webkit-scrollbar {
            display: none;
        }
        .nav-tabs-custom {
            display: flex;
            gap: 4px;
            align-items: center;
            flex-wrap: nowrap;
        }
        .nav-tabs-custom .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 20px;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--clr-text-light);
            background: transparent;
            border: none;
            transition: var(--transition);
            white-space: nowrap;
            text-decoration: none;
        }
        .nav-tabs-custom .nav-link i {
            font-size: 0.85rem;
            color: var(--clr-text-lighter);
        }
        .nav-tabs-custom .nav-link:hover {
            background: var(--clr-beige);
            color: var(--clr-primary);
        }
        .nav-tabs-custom .nav-link:hover i {
            color: var(--clr-primary-light);
        }
        .nav-tabs-custom .nav-link.active {
            background: var(--clr-primary);
            color: var(--clr-white);
            box-shadow: 0 4px 12px rgba(139, 26, 26, 0.25);
        }
        .nav-tabs-custom .nav-link.active i {
            color: var(--clr-white);
        }
        @media (max-width: 768px) {
            .nav-search {
                display: none;
            }
            .nav-search.mobile-show {
                display: flex;
                position: absolute;
                top: var(--nav-top-height);
                left: 0;
                right: 0;
                margin: 8px 16px;
                border-radius: 40px;
                z-index: 10;
                background: var(--clr-white);
                border: 1px solid var(--clr-border);
                box-shadow: 0 8px 30px rgba(0, 0, 0, 0.10);
            }
            .nav-cta span {
                display: none;
            }
            .nav-cta {
                padding: 8px 14px;
            }
            .nav-toggle {
                display: block;
            }
            .navbar-sub {
                display: none;
                height: auto;
                padding: 12px 16px;
                border-top: 1px solid var(--clr-border);
                overflow-x: visible;
            }
            .navbar-sub.open {
                display: block;
            }
            .nav-tabs-custom {
                flex-direction: column;
                gap: 8px;
                align-items: stretch;
            }
            .nav-tabs-custom .nav-link {
                justify-content: center;
                padding: 10px 16px;
            }
        }
        @media (max-width: 520px) {
            .navbar-top {
                padding: 0 12px;
            }
            .brand-text {
                font-size: 1.05rem;
            }
            .nav-actions {
                gap: 10px;
            }
            .nav-cta {
                font-size: 0.8rem;
                padding: 6px 12px;
            }
        }

        /* ===== Hero ===== */
        .hero-category {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 80px 20px 60px;
            background: var(--clr-primary-dark);
            overflow: hidden;
        }
        .hero-category .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.25;
            pointer-events: none;
        }
        .hero-category .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(107, 16, 16, 0.88) 0%, rgba(139, 26, 26, 0.72) 60%, rgba(26, 26, 46, 0.40) 100%);
            pointer-events: none;
        }
        .hero-category .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            color: var(--clr-white);
        }
        .hero-category .hero-badge {
            display: inline-block;
            background: var(--clr-gold);
            color: var(--clr-primary-dark);
            font-weight: 700;
            font-size: 0.8rem;
            padding: 6px 18px;
            border-radius: 40px;
            letter-spacing: 1px;
            margin-bottom: 20px;
            text-transform: uppercase;
        }
        .hero-category h1 {
            color: var(--clr-white);
            font-weight: 800;
            margin-bottom: 20px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.20);
        }
        .hero-category p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .hero-category .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }
        .hero-category .btn-primary {
            background: var(--clr-gold);
            color: var(--clr-primary-dark);
            padding: 14px 36px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            transition: var(--transition);
            box-shadow: 0 6px 24px rgba(201, 169, 78, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
        }
        .hero-category .btn-primary:hover {
            background: #dbbf5a;
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(201, 169, 78, 0.45);
            color: var(--clr-primary-dark);
        }
        .hero-category .btn-outline {
            background: transparent;
            color: var(--clr-white);
            padding: 13px 32px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.50);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }
        .hero-category .btn-outline:hover {
            border-color: var(--clr-white);
            background: rgba(255, 255, 255, 0.10);
            color: var(--clr-white);
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .hero-category {
                min-height: 340px;
                padding: 60px 16px 40px;
            }
            .hero-category p {
                font-size: 1rem;
            }
            .hero-category .btn-primary,
            .hero-category .btn-outline {
                padding: 11px 24px;
                font-size: 0.95rem;
            }
        }
        @media (max-width: 520px) {
            .hero-category {
                min-height: 300px;
                padding: 50px 12px 32px;
            }
            .hero-category h1 {
                font-size: 1.6rem;
            }
            .hero-category p {
                font-size: 0.92rem;
            }
            .hero-category .hero-actions {
                flex-direction: column;
                align-items: center;
            }
        }

        /* ===== Section Titles ===== */
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--clr-gold);
            background: rgba(201, 169, 78, 0.12);
            padding: 4px 16px;
            border-radius: 40px;
            margin-bottom: 12px;
        }
        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-title h2 {
            margin-bottom: 12px;
        }
        .section-title p {
            max-width: 640px;
            margin: 0 auto;
            color: var(--clr-text-light);
            font-size: 1.05rem;
        }
        @media (max-width: 768px) {
            .section-title {
                margin-bottom: 36px;
            }
            .section-title p {
                font-size: 0.95rem;
            }
        }

        /* ===== Cards ===== */
        .card-custom {
            background: var(--clr-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: none;
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
        }
        .card-custom:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
        }
        .card-custom .card-img-top {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }
        .card-custom .card-body {
            padding: 24px 22px 28px;
        }
        .card-custom .card-body h3 {
            font-size: 1.2rem;
            margin-bottom: 8px;
        }
        .card-custom .card-body p {
            font-size: 0.92rem;
            color: var(--clr-text-light);
            margin-bottom: 0;
        }
        .card-custom .card-tag {
            display: inline-block;
            background: var(--clr-beige);
            color: var(--clr-primary);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: 20px;
            margin-bottom: 10px;
        }
        @media (max-width: 768px) {
            .card-custom .card-img-top {
                height: 160px;
            }
            .card-custom .card-body {
                padding: 18px 16px 22px;
            }
        }

        /* ===== Stats / Numbers ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 24px;
            margin-top: 40px;
        }
        .stat-item {
            text-align: center;
            background: var(--clr-white);
            border-radius: var(--radius-lg);
            padding: 30px 20px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }
        .stat-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .stat-item .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--clr-primary);
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-item .stat-number .gold {
            color: var(--clr-gold);
        }
        .stat-item .stat-label {
            font-size: 0.9rem;
            color: var(--clr-text-light);
            font-weight: 500;
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .stat-item {
                padding: 20px 14px;
            }
            .stat-item .stat-number {
                font-size: 1.8rem;
            }
        }

        /* ===== Steps / Process ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 28px;
            margin-top: 40px;
        }
        .step-item {
            text-align: center;
            position: relative;
            padding: 32px 20px 24px;
            background: var(--clr-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }
        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--clr-primary);
            color: var(--clr-white);
            font-weight: 800;
            font-size: 1.3rem;
            margin-bottom: 16px;
            box-shadow: 0 6px 20px rgba(139, 26, 26, 0.25);
        }
        .step-item h4 {
            font-size: 1.1rem;
            margin-bottom: 6px;
        }
        .step-item p {
            font-size: 0.9rem;
            color: var(--clr-text-light);
            margin-bottom: 0;
        }
        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .step-item {
                padding: 24px 16px 20px;
            }
        }

        /* ===== Scenarios ===== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
            margin-top: 40px;
        }
        .scenario-card {
            background: var(--clr-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            border-left: 5px solid var(--clr-gold);
            height: 100%;
        }
        .scenario-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .scenario-card .scenario-icon {
            font-size: 2rem;
            color: var(--clr-primary);
            margin-bottom: 12px;
        }
        .scenario-card h4 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }
        .scenario-card p {
            font-size: 0.9rem;
            color: var(--clr-text-light);
            margin-bottom: 0;
        }
        @media (max-width: 520px) {
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .scenario-card {
                padding: 20px 18px;
            }
        }

        /* ===== Features highlight ===== */
        .features-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 28px;
            margin-top: 40px;
        }
        .feature-block {
            background: var(--clr-white);
            border-radius: var(--radius-lg);
            padding: 30px 24px 26px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            text-align: center;
            height: 100%;
        }
        .feature-block:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-card-hover);
        }
        .feature-block .feat-icon {
            font-size: 2.2rem;
            color: var(--clr-gold);
            margin-bottom: 14px;
        }
        .feature-block h4 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }
        .feature-block p {
            font-size: 0.9rem;
            color: var(--clr-text-light);
            margin-bottom: 0;
        }
        @media (max-width: 520px) {
            .features-row {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .feature-block {
                padding: 22px 18px;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--clr-white);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            box-shadow: var(--shadow-card);
            margin-top: 40px;
        }
        .faq-item {
            border-bottom: 1px solid var(--clr-border);
            padding: 20px 0;
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--clr-text);
            transition: var(--transition);
            user-select: none;
        }
        .faq-question:hover {
            color: var(--clr-primary);
        }
        .faq-question i {
            font-size: 1.1rem;
            color: var(--clr-gold);
            transition: var(--transition);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.40s ease, padding 0.30s ease;
            color: var(--clr-text-light);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-answer.open {
            max-height: 300px;
            padding-top: 14px;
        }
        @media (max-width: 768px) {
            .faq-section {
                padding: 28px 18px;
            }
            .faq-question {
                font-size: 0.95rem;
            }
        }

        /* ===== CTA ===== */
        .cta-block {
            background: var(--clr-primary-dark);
            border-radius: var(--radius-xl);
            padding: 60px 40px;
            text-align: center;
            color: var(--clr-white);
            position: relative;
            overflow: hidden;
            margin-top: 40px;
        }
        .cta-block .cta-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') center center / cover no-repeat;
            opacity: 0.12;
            pointer-events: none;
        }
        .cta-block .cta-content {
            position: relative;
            z-index: 2;
        }
        .cta-block h2 {
            color: var(--clr-white);
            margin-bottom: 16px;
        }
        .cta-block p {
            color: rgba(255, 255, 255, 0.80);
            max-width: 600px;
            margin: 0 auto 28px;
            font-size: 1.05rem;
        }
        .cta-block .btn-cta {
            background: var(--clr-gold);
            color: var(--clr-primary-dark);
            padding: 16px 44px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1.1rem;
            border: none;
            transition: var(--transition);
            box-shadow: 0 8px 30px rgba(201, 169, 78, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
        }
        .cta-block .btn-cta:hover {
            background: #dbbf5a;
            transform: translateY(-3px);
            box-shadow: 0 14px 42px rgba(201, 169, 78, 0.45);
            color: var(--clr-primary-dark);
        }
        @media (max-width: 768px) {
            .cta-block {
                padding: 40px 20px;
            }
            .cta-block .btn-cta {
                padding: 13px 28px;
                font-size: 1rem;
            }
        }
        @media (max-width: 520px) {
            .cta-block h2 {
                font-size: 1.4rem;
            }
            .cta-block p {
                font-size: 0.92rem;
            }
            .cta-block .btn-cta {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--clr-text);
            color: rgba(255, 255, 255, 0.80);
            padding: 60px 0 30px;
            margin-top: 80px;
        }
        .footer .container {
            max-width: var(--max-width);
            padding: 0 20px;
            margin: 0 auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--clr-white);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-brand .brand-icon-sm {
            color: var(--clr-gold);
            font-size: 1.6rem;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.60);
            max-width: 360px;
            line-height: 1.7;
        }
        .footer h4 {
            color: var(--clr-white);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .footer ul li {
            margin-bottom: 10px;
        }
        .footer ul li a {
            color: rgba(255, 255, 255, 0.60);
            font-size: 0.9rem;
            transition: var(--transition);
            text-decoration: none;
        }
        .footer ul li a:hover {
            color: var(--clr-gold);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.50);
        }
        .footer-socials {
            display: flex;
            gap: 16px;
        }
        .footer-socials a {
            color: rgba(255, 255, 255, 0.50);
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .footer-socials a:hover {
            color: var(--clr-gold);
            transform: scale(1.15);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer {
                padding: 40px 0 24px;
                margin-top: 50px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Utility ===== */
        .text-gold {
            color: var(--clr-gold);
        }
        .bg-beige {
            background: var(--clr-beige);
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-2 {
            margin-top: 20px;
        }
        .gap-2 {
            gap: 20px;
        }
        .rounded-xl {
            border-radius: var(--radius-xl);
        }
        .shadow-card {
            box-shadow: var(--shadow-card);
        }

        /* ===== Bootstrap Overrides ===== */
        .btn {
            border-radius: 40px;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-primary-custom {
            background: var(--clr-primary);
            color: var(--clr-white);
            border: none;
            padding: 12px 32px;
            box-shadow: var(--shadow-btn);
        }
        .btn-primary-custom:hover {
            background: var(--clr-primary-dark);
            color: var(--clr-white);
            transform: translateY(-2px);
            box-shadow: var(--shadow-btn-hover);
        }
        .btn-gold {
            background: var(--clr-gold);
            color: var(--clr-primary-dark);
            border: none;
            padding: 12px 32px;
            box-shadow: 0 4px 16px rgba(201, 169, 78, 0.30);
        }
        .btn-gold:hover {
            background: #dbbf5a;
            color: var(--clr-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(201, 169, 78, 0.40);
        }
        .row.gy-4 {
            --bs-gutter-y: 1.5rem;
        }

        /* ===== Scroll top ===== */
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 1090;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--clr-primary);
            color: var(--clr-white);
            border: none;
            box-shadow: 0 4px 16px rgba(139, 26, 26, 0.30);
            cursor: pointer;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
        }
        .scroll-top.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .scroll-top:hover {
            background: var(--clr-primary-dark);
            transform: translateY(-4px);
            box-shadow: 0 8px 28px rgba(139, 26, 26, 0.40);
        }
        @media (max-width: 520px) {
            .scroll-top {
                bottom: 16px;
                right: 16px;
                width: 42px;
                height: 42px;
                font-size: 1rem;
            }
        }