/* roulang page: index */
:root {
            --bg-primary: #0A0E1A;
            --bg-secondary: #0E1526;
            --brand-blue: #3D9BFF;
            --cyan: #6EE7D2;
            --gold: #E8C34A;
            --text-primary: #EAF0FA;
            --text-secondary: #9FB0C8;
            --text-muted: #5D6B82;
            --border-color: rgba(255, 255, 255, 0.09);
            --glass-bg: rgba(255, 255, 255, 0.05);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-pill: 999px;
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.25);
            --shadow-glow: 0 0 24px rgba(61, 155, 255, 0.30);
            --shadow-cyan: 0 0 20px rgba(110, 231, 210, 0.25);
            --shadow-gold: 0 0 24px rgba(232, 195, 74, 0.30);
            --section-padding: 100px;
            --card-padding: 24px;
            --font-cn: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
            --font-en: Inter, "SF Pro Display", system-ui, sans-serif;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-cn);
            font-size: 15px;
            line-height: 1.75;
            background: var(--bg-primary);
            color: var(--text-primary);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--brand-blue);
        }
        button {
            border: none;
            background: none;
            font-family: inherit;
            cursor: pointer;
        }
        input,
        textarea,
        select {
            font-family: inherit;
        }

        .container {
            max-width: 1320px;
            padding-left: 24px;
            padding-right: 24px;
            margin: 0 auto;
        }

        .section {
            padding: var(--section-padding) 0;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--cyan);
            font-weight: 600;
            margin-bottom: 8px;
        }
        .section-label::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--cyan);
            border-radius: 2px;
            display: inline-block;
        }
        .section-title {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
            line-height: 1.3;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 680px;
            margin: 0 auto;
        }
        .section-head {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-head .section-label {
            justify-content: center;
        }
        .section-head .section-label::before {
            display: none;
        }

        /* ---- Buttons ---- */
        .btn {
            border-radius: var(--radius-pill);
            font-weight: 600;
            padding: 12px 28px;
            font-size: 15px;
            transition: all .25s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid transparent;
            line-height: 1.5;
        }
        .btn-primary {
            background: linear-gradient(135deg, #3D9BFF, #2B7FD6);
            color: #fff;
            border: none;
            box-shadow: 0 4px 20px rgba(61, 155, 255, 0.35);
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, #4FA8FF, #3D9BFF);
            box-shadow: 0 6px 28px rgba(61, 155, 255, 0.50);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 12px rgba(61, 155, 255, 0.35);
        }
        .btn-glow {
            animation: glowPulse 3s ease-in-out infinite;
        }
        @keyframes glowPulse {
            0%,
            100% {
                box-shadow: 0 4px 20px rgba(61, 155, 255, 0.35);
            }
            50% {
                box-shadow: 0 4px 32px rgba(61, 155, 255, 0.60);
            }
        }
        .btn-outline-light {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: var(--text-primary);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline-light:active {
            transform: translateY(0);
        }
        .btn-sm {
            padding: 8px 20px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 14px 36px;
            font-size: 16px;
        }

        /* ---- Header ---- */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 70px;
            background: rgba(10, 14, 26, 0.85);
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background .3s ease, box-shadow .3s ease;
        }
        .site-header .container {
            height: 70px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--brand-blue), var(--cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0A0E1A;
            font-size: 15px;
            box-shadow: 0 0 16px rgba(61, 155, 255, 0.3);
        }
        .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
            white-space: nowrap;
        }
        .site-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            justify-content: center;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
        }
        .site-nav::-webkit-scrollbar {
            display: none;
        }
        .nav-link {
            padding: 8px 20px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all .25s ease;
            border: 1px solid transparent;
            position: relative;
        }
        .nav-link:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
        }
        .nav-link.active {
            color: #fff;
            background: rgba(61, 155, 255, 0.18);
            border-color: rgba(61, 155, 255, 0.3);
            box-shadow: inset 0 -2px 0 var(--brand-blue);
        }
        .nav-cta {
            flex-shrink: 0;
        }
        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-primary);
            font-size: 16px;
            align-items: center;
            justify-content: center;
            transition: background .2s ease;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.15);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 70px;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(10, 14, 26, 0.97);
            backdrop-filter: blur(16px);
            padding: 16px 24px 24px;
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            transition: all .2s ease;
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: #fff;
            background: rgba(61, 155, 255, 0.15);
        }
        .mobile-menu .btn {
            margin-top: 12px;
            width: 100%;
            justify-content: center;
        }

        /* ---- Hero ---- */
        .hero {
            position: relative;
            min-height: 720px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding-top: 120px;
            padding-bottom: 60px;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 14, 26, 0.88) 0%, rgba(10, 14, 26, 0.72) 50%, rgba(10, 14, 26, 0.94) 100%);
        }
        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
            background-size: 48px 48px;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 40px 0;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(110, 231, 210, 0.12);
            border: 1px solid rgba(110, 231, 210, 0.35);
            color: var(--cyan);
            padding: 6px 20px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 24px;
        }
        .hero h1 {
            font-size: 52px;
            font-weight: 800;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .hero h1 .highlight {
            background: linear-gradient(135deg, var(--brand-blue), var(--cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-subtitle {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 620px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-info-wrap {
            position: relative;
            z-index: 2;
            margin-top: 48px;
        }
        .hero-info-bar {
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid rgba(255, 255, 255, 0.10);
            padding: 28px 32px;
            box-shadow: var(--shadow-card);
        }
        .hero-info-bar .row .info-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 8px 16px;
            border-right: 1px solid rgba(255, 255, 255, 0.06);
        }
        .hero-info-bar .row .col-md-4:last-child .info-item {
            border-right: none;
        }
        .info-item i {
            font-size: 24px;
            color: var(--brand-blue);
            flex-shrink: 0;
        }
        .info-item .info-label {
            display: block;
            font-size: 12px;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 2px;
        }
        .info-item .info-value {
            font-size: 15px;
            color: var(--text-primary);
            font-weight: 600;
        }

        /* ---- Glass Card ---- */
        .glass-card {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: var(--radius-lg);
            transition: all .3s ease;
        }
        .glass-card:hover {
            border-color: rgba(61, 155, 255, 0.35);
            background: rgba(255, 255, 255, 0.07);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
        }

        /* ---- Agenda Timeline ---- */
        .timeline {
            position: relative;
            max-width: 820px;
            margin: 0 auto;
            padding-left: 0;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 100px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: rgba(255, 255, 255, 0.12);
        }
        .timeline-item {
            position: relative;
            padding-left: 140px;
            margin-bottom: 28px;
        }
        .timeline-item:last-child {
            margin-bottom: 0;
        }
        .timeline-time {
            position: absolute;
            left: 0;
            top: 20px;
            width: 88px;
            text-align: right;
            font-family: var(--font-en);
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-blue);
            line-height: 1.4;
        }
        .timeline-dot {
            position: absolute;
            left: 94px;
            top: 24px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--bg-secondary);
            border: 3px solid var(--brand-blue);
            z-index: 2;
        }
        .timeline-item.highlight .timeline-dot {
            background: var(--cyan);
            border-color: var(--cyan);
            box-shadow: var(--shadow-cyan);
        }
        .timeline-card {
            padding: 22px 26px;
            border-radius: var(--radius-md);
        }
        .timeline-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .timeline-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 10px;
            line-height: 1.65;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            padding: 3px 14px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 500;
            background: rgba(61, 155, 255, 0.15);
            color: var(--brand-blue);
            border: 1px solid rgba(61, 155, 255, 0.25);
        }
        .tag-gold {
            background: rgba(232, 195, 74, 0.15);
            color: var(--gold);
            border-color: rgba(232, 195, 74, 0.25);
        }
        .tag-cyan {
            background: rgba(110, 231, 210, 0.12);
            color: var(--cyan);
            border-color: rgba(110, 231, 210, 0.25);
        }

        /* ---- News Section ---- */
        .news-section {
            background: var(--bg-secondary);
        }
        .news-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .news-cover {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            flex-shrink: 0;
        }
        .news-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .news-card:hover .news-cover img {
            transform: scale(1.05);
        }
        .news-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 14, 26, 0) 50%, rgba(10, 14, 26, 0.45) 100%);
        }
        .cat-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 3;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 500;
            background: rgba(10, 14, 26, 0.6);
            backdrop-filter: blur(8px);
            color: var(--cyan);
            border: 1px solid rgba(110, 231, 210, 0.3);
        }
        .news-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .news-body h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-body h3 a {
            color: var(--text-primary);
        }
        .news-body h3 a:hover {
            color: var(--brand-blue);
        }
        .news-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .news-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 14px;
            border-top: 1px solid var(--border-color);
            font-size: 13px;
            color: var(--text-muted);
        }
        .news-meta a {
            color: var(--brand-blue);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-meta a:hover {
            color: var(--cyan);
        }
        .empty-state {
            text-align: center;
            padding: 60px 24px;
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.03);
            border: 1px dashed rgba(255, 255, 255, 0.15);
            max-width: 620px;
            margin: 0 auto;
        }
        .empty-state i {
            font-size: 40px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }
        .empty-state p {
            font-size: 15px;
            color: var(--text-secondary);
        }

        /* ---- Highlight Section ---- */
        .guest-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-bottom: 48px;
        }
        .guest-card {
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            transition: all .3s ease;
        }
        .guest-card:hover {
            border-color: rgba(61, 155, 255, 0.35);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
        }
        .guest-avatar {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--brand-blue), var(--cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 26px;
            font-weight: 700;
            color: #0A0E1A;
            box-shadow: 0 0 20px rgba(61, 155, 255, 0.25);
        }
        .guest-name {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .guest-role {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 12px;
        }
        .guest-tag {
            display: inline-block;
            padding: 2px 12px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-secondary);
            font-size: 12px;
            border: 1px solid var(--border-color);
        }
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            backdrop-filter: blur(12px);
        }
        .stat-item {
            text-align: center;
        }
        .stat-number {
            font-size: 42px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--brand-blue), var(--cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
            font-family: var(--font-en);
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        /* ---- Tickets ---- */
        .ticket-grid {
            display: grid;
            grid-template-columns: 1fr 1.15fr 1fr;
            gap: 24px;
            align-items: stretch;
            max-width: 1100px;
            margin: 0 auto;
        }
        .ticket-card {
            border-radius: var(--radius-lg);
            padding: 36px 30px;
            display: flex;
            flex-direction: column;
            position: relative;
            height: 100%;
            transition: all .3s ease;
        }
        .ticket-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card);
        }
        .ticket-card.featured {
            border: 1px solid rgba(232, 195, 74, 0.5);
            background: rgba(232, 195, 74, 0.04);
            box-shadow: var(--shadow-gold), 0 10px 30px rgba(0, 0, 0, 0.3);
        }
        .ticket-card.featured:hover {
            box-shadow: 0 0 32px rgba(232, 195, 74, 0.30), 0 10px 30px rgba(0, 0, 0, 0.35);
        }
        .ticket-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: linear-gradient(135deg, var(--gold), #d4a72c);
            color: #0A0E1A;
            font-size: 13px;
            font-weight: 700;
            padding: 4px 20px;
            border-radius: var(--radius-pill);
            box-shadow: 0 4px 16px rgba(232, 195, 74, 0.35);
            white-space: nowrap;
        }
        .ticket-name {
            font-size: 20px;
            font-weight: 700;
            text-align: center;
            margin-bottom: 12px;
        }
        .ticket-price {
            text-align: center;
            margin-bottom: 24px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--border-color);
        }
        .ticket-price .price-num {
            font-size: 34px;
            font-weight: 800;
            font-family: var(--font-en);
            color: var(--text-primary);
        }
        .ticket-price .price-unit {
            font-size: 14px;
            color: var(--text-muted);
            margin-left: 4px;
        }
        .ticket-benefits {
            list-style: none;
            margin-bottom: 28px;
            flex: 1;
        }
        .ticket-benefits li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 10px;
        }
        .ticket-benefits li i {
            color: var(--cyan);
            margin-top: 3px;
            font-size: 13px;
            flex-shrink: 0;
        }
        .ticket-card .btn {
            width: 100%;
            justify-content: center;
        }
        .ticket-card.featured .btn {
            background: linear-gradient(135deg, var(--gold), #d4a72c);
            color: #0A0E1A;
            box-shadow: 0 4px 20px rgba(232, 195, 74, 0.35);
            border: none;
        }
        .ticket-card.featured .btn:hover {
            box-shadow: 0 6px 28px rgba(232, 195, 74, 0.50);
            transform: translateY(-2px);
        }

        /* ---- Register Form ---- */
        .register-section {
            background: var(--bg-secondary);
        }
        .register-wrap {
            max-width: 680px;
            margin: 0 auto;
            border-radius: var(--radius-lg);
            padding: 44px 40px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-color);
            backdrop-filter: blur(16px);
        }
        .form-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .form-label .required {
            color: var(--gold);
            margin-left: 2px;
        }
        .form-control {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 10px;
            color: var(--text-primary);
            padding: 12px 16px;
            font-size: 14px;
            transition: all .25s ease;
        }
        .form-control:focus {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--brand-blue);
            box-shadow: 0 0 0 4px rgba(61, 155, 255, 0.15);
            color: var(--text-primary);
        }
        .form-control::placeholder {
            color: var(--text-muted);
        }
        select.form-control option {
            background: var(--bg-secondary);
            color: var(--text-primary);
        }
        .form-check-input {
            background-color: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.3);
        }
        .form-check-input:checked {
            background-color: var(--brand-blue);
            border-color: var(--brand-blue);
        }
        .form-check-label {
            font-size: 13px;
            color: var(--text-secondary);
        }
        .register-contact {
            text-align: center;
            margin-top: 20px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .register-contact a {
            color: var(--brand-blue);
        }
        .register-contact a:hover {
            color: var(--cyan);
        }

        /* ---- FAQ ---- */
        .faq-wrap {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 12px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: border-color .3s ease;
        }
        .faq-item:hover {
            border-color: rgba(61, 155, 255, 0.25);
        }
        .faq-header {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            border: none;
            text-align: left;
            transition: color .2s ease;
        }
        .faq-header:hover {
            color: var(--brand-blue);
        }
        .faq-header .faq-icon {
            transition: transform .3s ease;
            color: var(--text-muted);
            font-size: 14px;
            flex-shrink: 0;
        }
        .faq-header[aria-expanded="true"] .faq-icon {
            transform: rotate(45deg);
            color: var(--brand-blue);
        }
        .faq-body {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ---- CTA Banner ---- */
        .cta-banner {
            background: linear-gradient(135deg, rgba(61, 155, 255, 0.15), rgba(110, 231, 210, 0.08));
            border: 1px solid rgba(61, 155, 255, 0.25);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 36px 36px;
            pointer-events: none;
        }
        .cta-banner h2 {
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-banner p {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }
        .cta-banner .btn {
            position: relative;
            z-index: 1;
        }

        /* ---- Footer ---- */
        .site-footer {
            background: #070B14;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 64px;
        }
        .footer-top {
            padding-bottom: 40px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-brand .brand-icon {
            width: 28px;
            height: 28px;
            border-radius: 7px;
            font-size: 13px;
        }
        .footer-brand .brand-text {
            font-size: 17px;
        }
        .footer-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 300px;
        }
        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 2px;
            background: var(--brand-blue);
            border-radius: 2px;
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: var(--text-muted);
            transition: all .2s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-links a:hover {
            color: var(--brand-blue);
            padding-left: 4px;
        }
        .footer-contact-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-contact-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 12px;
            line-height: 1.6;
        }
        .footer-contact-list li i {
            color: var(--brand-blue);
            margin-top: 4px;
            width: 18px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--brand-blue);
        }

        /* ---- Responsive ---- */
        @media (max-width: 1199px) {
            .guest-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .ticket-grid {
                grid-template-columns: 1fr 1fr;
                max-width: 720px;
            }
            .ticket-card.featured {
                grid-column: 1 / -1;
                order: -1;
            }
        }
        @media (max-width: 991px) {
            :root {
                --section-padding: 72px;
            }
            .site-nav {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-cta {
                display: none;
            }
            .hero {
                min-height: 600px;
                padding-top: 100px;
            }
            .hero h1 {
                font-size: 38px;
            }
            .hero-info-bar .row .info-item {
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                padding: 12px 0;
            }
            .hero-info-bar .row .col-md-4:last-child .info-item {
                border-bottom: none;
            }
            .timeline::before {
                left: 16px;
            }
            .timeline-item {
                padding-left: 48px;
            }
            .timeline-time {
                position: static;
                width: auto;
                text-align: left;
                margin-bottom: 6px;
                padding-left: 0;
            }
            .timeline-dot {
                left: 10px;
                top: 18px;
            }
            .guest-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-top .col-lg-4 {
                margin-bottom: 36px;
            }
        }
        @media (max-width: 767px) {
            :root {
                --section-padding: 56px;
            }
            .section-title {
                font-size: 28px;
            }
            .hero h1 {
                font-size: 32px;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .ticket-grid {
                grid-template-columns: 1fr;
            }
            .ticket-card.featured {
                grid-column: auto;
                order: 0;
            }
            .guest-grid {
                grid-template-columns: 1fr;
            }
            .stats-bar {
                grid-template-columns: 1fr 1fr;
                padding: 24px 16px;
            }
            .stat-number {
                font-size: 32px;
            }
            .register-wrap {
                padding: 32px 20px;
            }
            .cta-banner {
                padding: 40px 24px;
            }
            .cta-banner h2 {
                font-size: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .timeline-item {
                padding-left: 40px;
            }
            .timeline-time {
                font-size: 13px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero {
                min-height: 520px;
            }
            .hero h1 {
                font-size: 28px;
            }
            .section-title {
                font-size: 24px;
            }
            .stats-bar {
                grid-template-columns: 1fr;
            }
            .news-meta {
                flex-direction: column;
                gap: 6px;
                align-items: flex-start;
            }
        }

        /* ---- Focus Accessibility ---- */
        a:focus-visible,
        button:focus-visible,
        .form-control:focus-visible,
        .form-check-input:focus-visible {
            outline: 2px solid var(--brand-blue);
            outline-offset: 2px;
        }

/* roulang page: article */
:root {
            --bg-deep: #0A0E1A;
            --bg-panel: #0E1526;
            --bg-glass: rgba(255,255,255,0.05);
            --bg-glass-hover: rgba(255,255,255,0.08);
            --border-glass: rgba(255,255,255,0.09);
            --border-glass-hover: rgba(61,155,255,0.35);
            --text-primary: #EAF0FA;
            --text-secondary: #9FB0C8;
            --text-muted: #5D6B82;
            --brand-blue: #3D9BFF;
            --brand-cyan: #6EE7D2;
            --brand-gold: #E8C34A;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-pill: 999px;
            --shadow-card: 0 10px 30px rgba(0,0,0,0.25);
            --shadow-glow: 0 0 24px rgba(61,155,255,0.30);
            --shadow-cyan: 0 0 20px rgba(110,231,210,0.25);
            --section-padding: 96px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-deep);
            background-image:
                linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px),
                linear-gradient(180deg, #0A0E1A 0%, #0E1526 100%);
            background-size: 36px 36px, 36px 36px, 100% 100%;
            background-attachment: fixed;
        }

        a {
            color: var(--brand-blue);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        a:hover {
            color: #6FB7FF;
        }

        img {
            max-width: 100%;
            height: auto;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: 1320px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .btn {
            border-radius: var(--radius-pill);
            font-weight: 600;
            transition: all 0.3s ease;
            padding: 10px 24px;
            border: 0;
            font-size: 15px;
            line-height: 1.5;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--brand-blue), #2E7FD9);
            color: #fff;
            box-shadow: 0 4px 15px rgba(61,155,255,0.30);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #5AACFF, #3D9BFF);
            box-shadow: 0 6px 24px rgba(61,155,255,0.45);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 10px rgba(61,155,255,0.25);
        }

        .btn-outline {
            background: transparent;
            border: 1px solid rgba(255,255,255,0.4);
            color: var(--text-primary);
        }

        .btn-outline:hover {
            background: rgba(255,255,255,0.08);
            border-color: #fff;
            color: #fff;
        }

        .btn-outline:active {
            background: rgba(255,255,255,0.12);
            transform: translateY(0);
        }

        .btn-sm {
            padding: 8px 20px;
            font-size: 14px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: 70px;
            background: rgba(10,14,26,0.85);
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            border-bottom: 1px solid var(--border-glass);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

        .brand:hover {
            color: var(--brand-blue);
        }

        .brand-icon {
            width: 32px;
            height: 32px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--brand-blue), var(--brand-cyan));
            border-radius: 8px;
            color: #fff;
            font-size: 16px;
            box-shadow: 0 0 12px rgba(61,155,255,0.35);
            flex-shrink: 0;
        }

        .site-nav {
            display: flex;
            gap: 8px;
            align-items: center;
        }

        .nav-link {
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            font-size: 15px;
            color: var(--text-secondary);
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: #fff;
            background: rgba(255,255,255,0.06);
        }

        .nav-link.active {
            color: #fff;
            background: rgba(61,155,255,0.18);
            box-shadow: 0 2px 12px rgba(61,155,255,0.25);
        }

        .nav-cta {
            height: 38px;
            margin-left: 4px;
            flex-shrink: 0;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            width: 40px;
            height: 40px;
            font-size: 18px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            flex-shrink: 0;
        }

        .nav-toggle:hover {
            border-color: var(--brand-blue);
            color: var(--brand-blue);
        }

        .breadcrumb-bar {
            padding: 32px 0 0;
            font-size: 14px;
            color: var(--text-muted);
        }

        .breadcrumb-bar a {
            color: var(--text-secondary);
            transition: color 0.3s ease;
        }

        .breadcrumb-bar a:hover {
            color: var(--brand-blue);
        }

        .breadcrumb-bar .separator {
            margin: 0 10px;
            color: var(--text-muted);
            opacity: 0.6;
        }

        .breadcrumb-bar .current {
            color: var(--text-secondary);
            max-width: 400px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            display: inline-block;
            vertical-align: bottom;
        }

        .article-section {
            padding: 40px 0 80px;
        }

        .article-container {
            max-width: 780px;
            margin: 0 auto;
        }

        .article-card {
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 48px;
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            box-shadow: var(--shadow-card);
            position: relative;
        }

        .article-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 48px;
            right: 48px;
            height: 3px;
            background: linear-gradient(90deg, var(--brand-blue), var(--brand-cyan));
            border-radius: 0 0 6px 6px;
        }

        .article-title {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 20px;
            color: #fff;
            letter-spacing: -0.5px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            padding-bottom: 24px;
            margin-bottom: 32px;
            border-bottom: 1px solid var(--border-glass);
            font-size: 14px;
            color: var(--text-secondary);
        }

        .article-meta i {
            color: var(--brand-blue);
            margin-right: 6px;
            width: 16px;
            text-align: center;
            display: inline-block;
        }

        .article-content {
            font-size: 16px;
            line-height: 1.9;
            color: #C6D2E6;
            word-wrap: break-word;
        }

        .article-content p {
            margin-bottom: 20px;
        }

        .article-content h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin: 36px 0 16px;
            line-height: 1.4;
        }

        .article-content h3 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin: 28px 0 12px;
            line-height: 1.4;
        }

        .article-content h4 {
            font-size: 18px;
            font-weight: 600;
            color: #EAF0FA;
            margin: 24px 0 10px;
        }

        .article-content ul,
        .article-content ol {
            padding-left: 24px;
            margin-bottom: 20px;
        }

        .article-content li {
            margin-bottom: 8px;
        }

        .article-content blockquote {
            border-left: 3px solid var(--brand-blue);
            padding: 14px 20px;
            background: rgba(61,155,255,0.08);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 24px 0;
            color: var(--text-secondary);
            font-size: 15px;
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            box-shadow: var(--shadow-card);
            max-width: 100%;
        }

        .article-content a {
            color: var(--brand-blue);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-content a:hover {
            color: var(--brand-cyan);
        }

        .article-content pre {
            background: #0A0E1A;
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            overflow-x: auto;
            margin: 24px 0;
            font-size: 14px;
            font-family: 'SF Mono', 'Fira Code', Consolas, monospace;
            color: #D6E4F2;
        }

        .article-content code {
            background: rgba(61,155,255,0.12);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 14px;
            font-family: 'SF Mono', 'Fira Code', Consolas, monospace;
        }

        .article-content pre code {
            background: transparent;
            padding: 0;
        }

        .article-content hr {
            border: none;
            border-top: 1px solid var(--border-glass);
            margin: 32px 0;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 14px;
        }

        .article-content table th,
        .article-content table td {
            border: 1px solid var(--border-glass);
            padding: 10px 14px;
            text-align: left;
        }

        .article-content table th {
            background: rgba(255,255,255,0.04);
            color: #fff;
            font-weight: 600;
        }

        .post-nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            margin-top: 32px;
            padding-top: 28px;
            border-top: 1px solid var(--border-glass);
        }

        .post-nav-link {
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            color: var(--text-secondary);
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-glass);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .post-nav-link:hover {
            color: #fff;
            border-color: var(--brand-blue);
            background: rgba(61,155,255,0.12);
            box-shadow: 0 0 16px rgba(61,155,255,0.15);
        }

        .post-nav-link.back-list {
            border-color: var(--border-glass);
        }

        .empty-state {
            text-align: center;
            padding: 80px 24px;
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
        }

        .empty-state i {
            font-size: 52px;
            color: var(--text-muted);
            margin-bottom: 20px;
            display: block;
        }

        .empty-state h2 {
            font-size: 24px;
            color: #fff;
            margin-bottom: 12px;
        }

        .empty-state p {
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        .related-section {
            padding: 72px 0;
            border-top: 1px solid var(--border-glass);
            background: linear-gradient(180deg, transparent, rgba(14,21,38,0.6));
        }

        .section-head {
            margin-bottom: 40px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: -0.5px;
        }

        .section-subtitle {
            color: var(--text-secondary);
            font-size: 15px;
            margin-bottom: 0;
        }

        .post-card {
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 100%;
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            transition: all 0.35s ease;
            display: flex;
            flex-direction: column;
        }

        .post-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
            border-color: var(--border-glass-hover);
        }

        .post-card-img {
            position: relative;
            width: 100%;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            display: block;
            background: linear-gradient(135deg, #0E1526, #1A2340);
        }

        .post-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
            display: block;
        }

        .post-card:hover .post-card-img img {
            transform: scale(1.05);
        }

        .post-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(10,14,26,0.7) 100%);
            pointer-events: none;
        }

        .post-card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            padding: 4px 14px;
            background: rgba(61,155,255,0.85);
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 600;
            color: #fff;
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
            box-shadow: 0 2px 10px rgba(0,0,0,0.25);
            letter-spacing: 0.3px;
        }

        .post-card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .post-card-title {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .post-card-title a {
            color: inherit;
            transition: color 0.3s ease;
        }

        .post-card-title a:hover {
            color: var(--brand-blue);
        }

        .post-card-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 16px;
            flex: 1;
        }

        .post-card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--text-muted);
            border-top: 1px solid var(--border-glass);
            padding-top: 14px;
        }

        .post-card-meta a {
            color: var(--brand-blue);
            font-size: 13px;
            font-weight: 500;
            transition: all 0.3s ease;
        }

        .post-card-meta a:hover {
            color: var(--brand-cyan);
            letter-spacing: 0.3px;
        }

        .cta-section {
            padding: 72px 0;
            border-top: 1px solid var(--border-glass);
        }

        .cta-card {
            background: linear-gradient(135deg, rgba(61,155,255,0.12), rgba(110,231,210,0.07));
            border: 1px solid rgba(61,155,255,0.25);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(61,155,255,0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-card h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: -0.3px;
        }

        .cta-card p {
            color: var(--text-secondary);
            max-width: 520px;
            margin: 0 auto 28px;
            font-size: 15px;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .site-footer {
            background: #060A12;
            border-top: 1px solid var(--border-glass);
            padding: 64px 0 0;
        }

        .footer-top {
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
        }

        .footer-desc {
            color: #7A8CA6;
            font-size: 14px;
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: #7A8CA6;
            font-size: 14px;
            transition: color 0.3s ease;
        }

        .footer-links a:hover {
            color: var(--brand-blue);
        }

        .footer-contact-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-contact-list li {
            color: #7A8CA6;
            font-size: 14px;
            margin-bottom: 12px;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .footer-contact-list i {
            color: var(--brand-blue);
            margin-top: 4px;
            width: 16px;
            text-align: center;
            flex-shrink: 0;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 22px 0;
            font-size: 14px;
            color: #5A6A82;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-bottom a {
            color: #5A6A82;
            font-size: 14px;
            transition: color 0.3s ease;
        }

        .footer-bottom a:hover {
            color: var(--brand-blue);
        }

        @media (max-width: 991.98px) {
            .site-nav {
                display: none;
                position: absolute;
                top: 70px;
                left: 24px;
                right: 24px;
                flex-direction: column;
                background: rgba(14,21,38,0.97);
                border: 1px solid var(--border-glass);
                border-radius: var(--radius-md);
                padding: 14px;
                gap: 6px;
                box-shadow: 0 20px 40px rgba(0,0,0,0.4);
            }

            .site-nav.open {
                display: flex;
            }

            .nav-cta {
                display: none;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .article-title {
                font-size: 32px;
            }

            .article-card {
                padding: 36px 28px;
            }

            .cta-card {
                padding: 40px 28px;
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --section-padding: 64px;
            }

            .breadcrumb-bar {
                padding-top: 24px;
            }

            .breadcrumb-bar .current {
                max-width: 200px;
            }

            .article-section {
                padding: 24px 0 48px;
            }

            .article-card {
                padding: 28px 20px;
                border-radius: var(--radius-md);
            }

            .article-card::before {
                left: 20px;
                right: 20px;
            }

            .article-title {
                font-size: 26px;
                line-height: 1.35;
            }

            .article-meta {
                gap: 12px;
                font-size: 13px;
            }

            .article-content {
                font-size: 15px;
            }

            .article-content h2 {
                font-size: 24px;
            }

            .article-content h3 {
                font-size: 20px;
            }

            .post-nav {
                flex-direction: column;
                align-items: stretch;
                gap: 10px;
            }

            .post-nav-link {
                justify-content: center;
            }

            .related-section {
                padding: 48px 0;
            }

            .section-title {
                font-size: 26px;
            }

            .cta-section {
                padding: 48px 0;
            }

            .cta-card {
                padding: 32px 20px;
                border-radius: var(--radius-md);
            }

            .cta-card h2 {
                font-size: 22px;
            }

            .cta-actions {
                flex-direction: column;
            }

            .cta-actions .btn {
                width: 100%;
            }

            .footer-bottom {
                justify-content: center;
                text-align: center;
            }

            .site-footer {
                padding-top: 48px;
            }
        }

        @media (max-width: 575.98px) {
            .brand-text {
                font-size: 16px;
            }

            .brand-icon {
                width: 28px;
                height: 28px;
                font-size: 14px;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .site-nav {
                left: 16px;
                right: 16px;
            }

            .article-meta {
                flex-direction: column;
                gap: 8px;
                padding-bottom: 18px;
                margin-bottom: 24px;
            }

            .post-card-excerpt {
                -webkit-line-clamp: 2;
            }
        }

/* roulang page: category1 */
:root {
            --bg-dark: #0A0E1A;
            --bg-panel: #0E1526;
            --bg-panel-light: #121A2B;
            --bg-glass: rgba(255,255,255,0.05);
            --bg-glass-hover: rgba(255,255,255,0.08);
            --border-glass: rgba(255,255,255,0.10);
            --border-glass-hover: rgba(61,155,255,0.40);
            --blue-brand: #3D9BFF;
            --blue-deep: #1B6DFF;
            --cyan-glow: #6EE7D2;
            --gold: #E8C34A;
            --text-main: #EAF0FA;
            --text-secondary: #9FB0C8;
            --text-muted: #5D6B82;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-pill: 999px;
            --shadow-card: 0 10px 30px rgba(0,0,0,0.25);
            --shadow-glow-blue: 0 0 24px rgba(61,155,255,0.30);
            --shadow-glow-cyan: 0 0 20px rgba(110,231,210,0.25);
            --font-main: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
            --font-num: Inter, "SF Pro Display", system-ui, sans-serif;
            --header-h: 70px;
            --space-section: 96px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 80px;
        }

        body {
            font-family: var(--font-main);
            background: var(--bg-dark);
            color: var(--text-main);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--blue-brand);
            text-decoration: none;
            transition: all 0.25s ease;
        }
        a:hover {
            color: #7ab8ff;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--blue-brand);
            outline-offset: 2px;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: 1320px;
            margin-inline: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-h);
            background: rgba(10, 14, 26, 0.85);
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 16px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .brand .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, #3D9BFF, #1B6DFF);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            color: #fff;
            box-shadow: 0 0 12px rgba(61, 155, 255, 0.4);
        }

        .brand .brand-text {
            letter-spacing: 0.01em;
        }

        .site-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            margin: 0 auto;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 40px;
            padding: 0 18px;
            border-radius: var(--radius-pill);
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all 0.25s ease;
            white-space: nowrap;
            border: 1px solid transparent;
        }

        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-link.active {
            color: #fff;
            background: rgba(61, 155, 255, 0.18);
            border-color: rgba(61, 155, 255, 0.25);
            box-shadow: inset 0 -2px 0 rgba(61, 155, 255, 0.8), 0 0 12px rgba(61, 155, 255, 0.12);
        }

        .nav-cta {
            flex-shrink: 0;
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 18px;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            cursor: pointer;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            line-height: 1.2;
            transition: all 0.3s ease;
            border: 1px solid transparent;
            white-space: nowrap;
            cursor: pointer;
        }

        .btn-primary {
            background: linear-gradient(135deg, #3D9BFF, #1B6DFF);
            color: #fff;
            box-shadow: 0 4px 18px rgba(61, 155, 255, 0.35);
        }
        .btn-primary:hover {
            box-shadow: 0 8px 30px rgba(61, 155, 255, 0.5);
            transform: translateY(-1px);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(1px);
        }

        .btn-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.35);
            color: #fff;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
        }

        .btn-sm {
            padding: 8px 20px;
            font-size: 0.85rem;
            height: 38px;
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
        }

        /* ===== Hero ===== */
        .category-hero {
            position: relative;
            min-height: 480px;
            display: flex;
            align-items: center;
            background:
                linear-gradient(rgba(10, 14, 26, 0.72), rgba(10, 14, 26, 0.9)),
                url('/assets/images/backpic/back-1.png') center/cover no-repeat,
                linear-gradient(150deg, #0A0E1A, #0E1526, #0A0E1A);
            padding: 90px 0 64px;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
            background-size: 48px 48px;
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 520px;
            height: 520px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(61, 155, 255, 0.18), transparent 65%);
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
        }

        .hero-inner {
            max-width: 780px;
        }

        .category-hero h1 {
            font-size: 54px;
            font-weight: 800;
            letter-spacing: 0.02em;
            margin-bottom: 18px;
            color: #fff;
            line-height: 1.15;
            text-shadow: 0 0 40px rgba(61, 155, 255, 0.25);
        }

        .hero-sub {
            font-size: 1.12rem;
            color: var(--text-secondary);
            max-width: 620px;
            margin-bottom: 34px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .hero-meta-bar {
            margin-top: 52px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            padding: 24px 28px;
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            max-width: 720px;
        }

        .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .hero-meta-item .meta-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: rgba(61, 155, 255, 0.14);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--blue-brand);
            font-size: 16px;
            flex-shrink: 0;
        }

        .hero-meta-item .meta-num {
            font-family: var(--font-num);
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
        }

        .hero-meta-item .meta-label {
            font-size: 0.8rem;
            color: var(--text-secondary);
            line-height: 1.4;
        }

        /* ===== Section ===== */
        .section {
            padding: var(--space-section) 0;
            position: relative;
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 52px;
        }

        .section-head h2 {
            font-size: 34px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.01em;
            margin-bottom: 14px;
            line-height: 1.3;
        }

        .section-head p {
            font-size: 1rem;
            color: var(--text-secondary);
            margin: 0;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            height: 28px;
            padding: 0 14px;
            border-radius: var(--radius-pill);
            background: rgba(61, 155, 255, 0.15);
            color: var(--blue-brand);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 14px;
            border: 1px solid rgba(61, 155, 255, 0.18);
        }

        .bg-panel-section {
            background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-panel) 50%, var(--bg-dark) 100%);
        }

        /* ===== Glass Card ===== */
        .glass-card {
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            transition: all 0.3s ease;
            padding: 28px;
            position: relative;
            overflow: hidden;
            height: 100%;
        }

        .glass-card:hover {
            transform: translateY(-4px);
            background: var(--bg-glass-hover);
            border-color: var(--border-glass-hover);
            box-shadow: var(--shadow-card);
        }

        /* ===== Type Cards ===== */
        .type-card .card-icon {
            width: 54px;
            height: 54px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(61, 155, 255, 0.25), rgba(61, 155, 255, 0.06));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--blue-brand);
            margin-bottom: 20px;
            border: 1px solid rgba(61, 155, 255, 0.15);
        }

        .type-card:nth-child(2) .card-icon,
        .type-card.cyan .card-icon {
            background: linear-gradient(135deg, rgba(110, 231, 210, 0.2), rgba(110, 231, 210, 0.05));
            color: var(--cyan-glow);
            border-color: rgba(110, 231, 210, 0.15);
        }

        .type-card:nth-child(3) .card-icon,
        .type-card.gold .card-icon {
            background: linear-gradient(135deg, rgba(232, 195, 74, 0.2), rgba(232, 195, 74, 0.05));
            color: var(--gold);
            border-color: rgba(232, 195, 74, 0.15);
        }

        .type-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }

        .type-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 18px;
        }

        .badge-tag {
            display: inline-flex;
            align-items: center;
            height: 26px;
            padding: 0 12px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.76rem;
            font-weight: 500;
            color: var(--text-secondary);
            letter-spacing: 0.02em;
        }

        .badge-tag.gold {
            background: rgba(232, 195, 74, 0.12);
            border-color: rgba(232, 195, 74, 0.25);
            color: var(--gold);
        }

        .card-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        /* ===== Process ===== */
        .process-step {
            position: relative;
            text-align: center;
            padding: 24px 12px 8px;
            height: 100%;
        }

        .process-step .step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(61, 155, 255, 0.12);
            border: 1px solid rgba(61, 155, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--blue-brand);
            margin: 0 auto 18px;
            font-family: var(--font-num);
            box-shadow: 0 0 16px rgba(61, 155, 255, 0.1);
        }

        .process-step h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: #fff;
        }

        .process-step p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin: 0;
            max-width: 220px;
            margin-inline: auto;
        }

        .process-line {
            position: absolute;
            top: 52px;
            left: calc(50% + 40px);
            width: calc(100% - 80px);
            height: 1px;
            background: repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.15) 0, rgba(255, 255, 255, 0.15) 6px, transparent 6px, transparent 12px);
            pointer-events: none;
            display: none;
        }

        @media (min-width: 992px) {
            .process-line {
                display: block;
            }
        }

        /* ===== Schedule ===== */
        .schedule-card {
            padding: 0;
            overflow: hidden;
        }

        .schedule-cover {
            width: 100%;
            height: 300px;
            object-fit: cover;
            border-radius: 0;
        }

        .schedule-cover-text {
            padding: 24px 28px 28px;
        }

        .schedule-cover-text h4 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin: 12px 0 6px;
        }

        .schedule-cover-text p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.65;
        }

        .schedule-list {
            padding: 28px 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            height: 100%;
        }

        .schedule-item {
            padding: 18px 4px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .schedule-item:last-child {
            border-bottom: none;
        }

        .schedule-item .item-info h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
        }

        .schedule-item .item-info p {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin: 0;
        }

        .schedule-item .item-info p i {
            margin-right: 4px;
            color: var(--blue-brand);
            font-size: 0.8rem;
        }

        .schedule-status {
            display: inline-flex;
            height: 28px;
            padding: 0 14px;
            border-radius: var(--radius-pill);
            font-size: 0.76rem;
            font-weight: 600;
            align-items: center;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .schedule-status.open {
            background: rgba(110, 231, 210, 0.1);
            color: var(--cyan-glow);
            border: 1px solid rgba(110, 231, 210, 0.2);
        }

        .schedule-status.upcoming {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-secondary);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        /* ===== FAQ ===== */
        .faq-wrap .accordion-item {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.09);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: none;
        }

        .faq-wrap .accordion-item:last-child {
            margin-bottom: 0;
        }

        .faq-wrap .accordion-button {
            background: transparent;
            color: var(--text-main);
            border: none;
            padding: 20px 22px;
            font-size: 1rem;
            font-weight: 600;
            box-shadow: none;
            display: flex;
            align-items: center;
            gap: 14px;
            transition: all 0.25s ease;
        }

        .faq-wrap .accordion-button:hover {
            background: rgba(255, 255, 255, 0.03);
        }

        .faq-wrap .accordion-button:not(.collapsed) {
            background: rgba(61, 155, 255, 0.06);
            color: #fff;
            box-shadow: none;
        }

        .faq-wrap .accordion-button::after {
            content: '+';
            font-family: sans-serif;
            font-size: 24px;
            font-weight: 300;
            color: var(--blue-brand);
            background: none;
            background-image: none;
            width: auto;
            height: auto;
            margin-left: auto;
            order: 2;
            transition: transform 0.3s ease;
            line-height: 1;
        }

        .faq-wrap .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
        }

        .faq-wrap .accordion-body {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.8;
            padding: 0 22px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            margin-top: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            background:
                radial-gradient(ellipse at 50% 50%, rgba(61, 155, 255, 0.1), transparent 60%),
                var(--bg-dark);
            padding: 80px 0;
        }

        .cta-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 48px 44px;
            text-align: center;
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            max-width: 860px;
            margin: 0 auto;
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -80px;
            left: 50%;
            transform: translateX(-50%);
            width: 300px;
            height: 180px;
            background: radial-gradient(ellipse, rgba(61, 155, 255, 0.18), transparent 70%);
            pointer-events: none;
        }

        .cta-card h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            line-height: 1.3;
        }

        .cta-card p {
            color: var(--text-secondary);
            max-width: 540px;
            margin: 0 auto 28px;
            font-size: 1rem;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }

        .cta-contact {
            display: flex;
            gap: 28px;
            justify-content: center;
            flex-wrap: wrap;
            font-size: 0.88rem;
            color: var(--text-secondary);
        }

        .cta-contact span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .cta-contact i {
            color: var(--blue-brand);
        }

        /* ===== Related ===== */
        .related-card {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 30px;
            color: var(--text-main);
            height: 100%;
        }

        .related-card:hover {
            color: var(--text-main);
        }

        .related-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(61, 155, 255, 0.2), rgba(61, 155, 255, 0.05));
            border: 1px solid rgba(61, 155, 255, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--blue-brand);
            flex-shrink: 0;
        }

        .related-info h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }

        .related-info p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin-bottom: 12px;
            line-height: 1.7;
        }

        .related-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--blue-brand);
            transition: gap 0.25s ease;
        }

        .related-card:hover .related-link {
            gap: 10px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #070B14;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 64px;
            padding-bottom: 28px;
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .site-footer .footer-brand .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, #3D9BFF, #1B6DFF);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            color: #fff;
            box-shadow: 0 0 12px rgba(61, 155, 255, 0.3);
        }

        .site-footer .footer-brand .brand-text {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
        }

        .footer-desc {
            font-size: 0.86rem;
            color: var(--text-muted);
            line-height: 1.75;
            margin: 0;
            max-width: 340px;
        }

        .footer-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
            padding: 0;
            margin: 0;
        }

        .footer-links a {
            font-size: 0.88rem;
            color: var(--text-secondary);
            transition: color 0.25s ease;
        }

        .footer-links a:hover {
            color: var(--blue-brand);
        }

        .footer-contact-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            padding: 0;
            margin: 0;
        }

        .footer-contact-list li {
            font-size: 0.88rem;
            color: var(--text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .footer-contact-list i {
            color: var(--blue-brand);
            margin-top: 4px;
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 48px;
            padding-top: 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--blue-brand);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1199.98px) {
            :root {
                --space-section: 80px;
            }

            .category-hero h1 {
                font-size: 46px;
            }

            .section-head h2 {
                font-size: 30px;
            }
        }

        @media (max-width: 991.98px) {
            :root {
                --space-section: 64px;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .site-nav {
                position: fixed;
                top: var(--header-h);
                left: 16px;
                right: 16px;
                background: rgba(14, 21, 38, 0.98);
                border: 1px solid rgba(255, 255, 255, 0.1);
                border-radius: 16px;
                padding: 16px;
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
                opacity: 0;
                pointer-events: none;
                transform: translateY(-8px);
                transition: all 0.3s ease;
                margin: 0;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
                z-index: 999;
            }

            .site-nav.nav-open {
                opacity: 1;
                pointer-events: auto;
                transform: translateY(0);
            }

            .site-nav .nav-link {
                justify-content: center;
                height: 44px;
            }

            .nav-cta {
                display: none;
            }

            .category-hero h1 {
                font-size: 40px;
            }

            .hero-meta-bar {
                padding: 20px;
                gap: 20px;
            }

            .process-line {
                display: none;
            }

            .schedule-cover {
                height: 240px;
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --space-section: 56px;
            }

            .category-hero {
                min-height: 420px;
                padding: 70px 0 40px;
            }

            .category-hero h1 {
                font-size: 32px;
            }

            .hero-sub {
                font-size: 1rem;
            }

            .hero-meta-bar {
                flex-direction: row;
                overflow-x: auto;
                gap: 16px;
            }

            .hero-meta-item {
                min-width: 130px;
            }

            .section-head h2 {
                font-size: 26px;
            }

            .section-head {
                margin-bottom: 36px;
            }

            .cta-card {
                padding: 36px 24px;
            }

            .cta-card h2 {
                font-size: 1.5rem;
            }

            .cta-contact {
                flex-direction: column;
                gap: 12px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
        }

        @media (max-width: 575.98px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .schedule-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .schedule-status {
                align-self: flex-start;
            }
        }

/* roulang page: category2 */
:root {
            --bg-deep: #0A0E1A;
            --bg-panel: #0E1526;
            --brand-blue: #3D9BFF;
            --cyan: #6EE7D2;
            --gold: #E8C34A;
            --text-main: #EAF0FA;
            --text-sub: #9FB0C8;
            --text-placeholder: #5D6B82;
            --glass-bg: rgba(255, 255, 255, 0.05);
            --panel-border: rgba(255, 255, 255, 0.09);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-pill: 999px;
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.25);
            --shadow-blue: 0 0 24px rgba(61, 155, 255, 0.30);
            --shadow-cyan: 0 0 20px rgba(110, 231, 210, 0.25);
            --space-section: 96px;
            --font-body: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
            --font-number: Inter, "SF Pro Display", system-ui;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--bg-deep);
            color: var(--text-main);
            font-size: 15px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            color: var(--brand-blue);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        a:hover {
            color: #6aaaff;
        }

        img {
            max-width: 100%;
            display: block;
        }

        button {
            border: none;
            background: none;
            font-family: inherit;
        }

        .container {
            max-width: 1320px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            height: 70px;
            background: rgba(10, 14, 26, 0.85);
            backdrop-filter: blur(16px) saturate(140%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-icon {
            width: 32px;
            height: 32px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #3D9BFF 0%, #6EE7D2 100%);
            border-radius: 10px;
            color: #fff;
            font-size: 15px;
            box-shadow: 0 0 14px rgba(61, 155, 255, 0.35);
        }

        .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .site-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-sub);
            background: transparent;
            border: 1px solid transparent;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-link.active {
            color: #fff;
            background: rgba(61, 155, 255, 0.18);
            border-color: rgba(61, 155, 255, 0.25);
            box-shadow: inset 0 -2px 0 var(--brand-blue), 0 0 18px rgba(61, 155, 255, 0.12);
        }

        .nav-cta {
            flex-shrink: 0;
            margin-left: 8px;
        }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            color: var(--text-sub);
            font-size: 18px;
            cursor: pointer;
            border: 1px solid var(--panel-border);
            background: var(--glass-bg);
        }

        /* ===== Buttons ===== */
        .btn {
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            transition: all 0.35s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: 1px solid transparent;
        }

        .btn-primary-custom {
            background: linear-gradient(135deg, #3D9BFF 0%, #2f7edb 100%);
            color: #fff;
            border: none;
            box-shadow: 0 0 20px rgba(61, 155, 255, 0.35);
        }

        .btn-primary-custom:hover {
            box-shadow: 0 0 32px rgba(61, 155, 255, 0.55);
            transform: translateY(-1px);
            color: #fff;
            background: linear-gradient(135deg, #4fa8ff 0%, #3a8ae8 100%);
        }

        .btn-primary-custom:active {
            transform: translateY(1px);
            box-shadow: 0 0 14px rgba(61, 155, 255, 0.25);
        }

        .btn-outline-light-custom {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.6);
            color: #fff;
        }

        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.85);
            color: #fff;
        }

        .btn-outline-light-custom:active {
            background: rgba(255, 255, 255, 0.04);
        }

        .btn-sm {
            padding: 8px 22px;
            font-size: 14px;
            height: 38px;
        }

        .btn-lg-custom {
            padding: 14px 38px;
            font-size: 16px;
        }

        .btn-block {
            width: 100%;
        }

        /* ===== Section ===== */
        .section {
            padding: var(--space-section) 0;
            position: relative;
        }

        .section-alt {
            background: var(--bg-panel);
        }

        .section-head {
            margin-bottom: 48px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--cyan);
            background: rgba(110, 231, 210, 0.08);
            border: 1px solid rgba(110, 231, 210, 0.2);
            padding: 5px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 14px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -1px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-sub);
            max-width: 680px;
            line-height: 1.75;
        }

        /* ===== Hero (Category) ===== */
        .category-hero {
            position: relative;
            min-height: 440px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, #0E1526 0%, #0A1A30 55%, #0E2638 100%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            overflow: hidden;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 30%;
            opacity: 0.2;
            z-index: 0;
        }

        .category-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(10, 14, 26, 0.92) 0%, rgba(10, 14, 26, 0.55) 100%);
            z-index: 1;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
            padding-top: 64px;
            padding-bottom: 64px;
        }

        .category-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(61, 155, 255, 0.15);
            border: 1px solid rgba(61, 155, 255, 0.3);
            border-radius: var(--radius-pill);
            padding: 5px 16px;
            font-size: 13px;
            font-weight: 600;
            color: #9ccaff;
            margin-bottom: 22px;
            letter-spacing: 0.5px;
        }

        .category-hero h1 {
            font-size: 46px;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: -1.5px;
            max-width: 640px;
        }

        .category-hero h1 .highlight-green {
            color: var(--cyan);
            text-shadow: 0 0 22px rgba(110, 231, 210, 0.5);
        }

        .category-hero h1 .highlight-blue {
            color: var(--brand-blue);
            text-shadow: 0 0 22px rgba(61, 155, 255, 0.5);
        }

        .category-hero p {
            font-size: 17px;
            color: var(--text-sub);
            max-width: 600px;
            margin-bottom: 30px;
            line-height: 1.8;
        }

        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 36px;
            margin-top: 32px;
            padding-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            max-width: 640px;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat .num {
            font-family: var(--font-number);
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
        }

        .hero-stat .num .highlight {
            color: var(--gold);
        }

        .hero-stat .label {
            font-size: 13px;
            color: var(--text-sub);
            letter-spacing: 0.3px;
        }

        /* ===== Glass Card ===== */
        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            transition: all 0.35s ease;
            color: var(--text-main);
        }

        .glass-card:hover {
            border-color: rgba(61, 155, 255, 0.35);
            background: rgba(255, 255, 255, 0.07);
            transform: translateY(-4px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
        }

        /* ===== Category Guidance Cards ===== */
        .guide-card {
            padding: 32px 28px;
            height: 100%;
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            transition: all 0.35s ease;
        }

        .guide-card::before {
            content: "";
            position: absolute;
            top: -40px;
            right: -40px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(61, 155, 255, 0.2) 0%, transparent 70%);
            opacity: 0.6;
        }

        .guide-card:hover {
            border-color: rgba(61, 155, 255, 0.4);
            background: rgba(255, 255, 255, 0.07);
            transform: translateY(-6px);
            box-shadow: 0 18px 45px rgba(0, 0, 0, 0.45), 0 0 25px rgba(61, 155, 255, 0.10);
        }

        .guide-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
            background: rgba(61, 155, 255, 0.15);
            color: var(--brand-blue);
            border: 1px solid rgba(61, 155, 255, 0.2);
        }

        .guide-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .guide-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.8;
            flex-grow: 1;
        }

        .guide-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 18px;
        }

        .mini-tag {
            display: inline-flex;
            align-items: center;
            font-size: 12px;
            color: var(--text-sub);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-pill);
            padding: 4px 12px;
        }

        /* ===== Strategy Feature Row ===== */
        .strategy-row {
            display: flex;
            flex-wrap: wrap;
            gap: 60px;
            align-items: center;
        }

        .strategy-media {
            flex: 1 1 46%;
            min-width: 320px;
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .strategy-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 360px;
        }

        .strategy-media .placeholder-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, #13203A 0%, #0E1526 80%);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .strategy-media .placeholder-icon {
            font-size: 60px;
            color: rgba(255, 255, 255, 0.2);
        }

        .strategy-content {
            flex: 1 1 46%;
            min-width: 320px;
        }

        .strategy-content h3 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .strategy-content p {
            color: var(--text-sub);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .strategy-points {
            list-style: none;
            margin: 0 0 24px 0;
            padding: 0;

        }

        .strategy-points li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 14px;
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.7;
        }

        .strategy-points li i {
            color: var(--cyan);
            margin-top: 4px;
            font-size: 12px;
        }

        /* ===== Keyword Index Area ===== */
        .keyword-panel {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: var(--radius-lg);
            padding: 40px;
        }

        .keyword-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .keyword-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-pill);
            padding: 9px 20px;
            font-size: 14px;
            color: var(--text-sub);
            transition: all 0.35s ease;
            cursor: default;
        }

        .keyword-item i {
            color: var(--brand-blue);
            font-size: 12px;
            opacity: 0.8;
        }

        .keyword-item:hover {
            background: rgba(61, 155, 255, 0.1);
            border-color: rgba(61, 155, 255, 0.3);
            color: #fff;
        }

        /* ===== Related Card ===== */
        .rel-card {
            display: block;
            padding: 28px 24px;
            height: 100%;
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            transition: all 0.35s ease;
        }

        .rel-card:hover {
            border-color: rgba(61, 155, 255, 0.3);
            background: rgba(255, 255, 255, 0.07);
            transform: translateY(-4px);
            box-shadow: 0 14px 36px rgba(0, 0, 0, 0.35);
            text-decoration: none;
        }

        .rel-card .rel-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            background: rgba(61, 155, 255, 0.13);
            color: var(--brand-blue);
            margin-bottom: 16px;
        }

        .rel-card h4 {
            font-size: 17px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .rel-card p {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .rel-card .rel-arrow {
            font-size: 13px;
            color: var(--brand-blue);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* ===== CTA ===== */
        .section-cta {
            background: linear-gradient(135deg, #0E1526 0%, #0A1A30 50%, #0E2638 100%);
            position: relative;
            overflow: hidden;
        }

        .section-cta::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
        }

        .section-cta .container {
            position: relative;
            z-index: 1;
        }

        .cta-box {
            padding: 60px 48px;
            text-align: center;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(61, 155, 255, 0.2);
            background: rgba(255, 255, 255, 0.03);
            backdrop-filter: blur(10px);
        }

        .cta-box h2 {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }

        .cta-box p {
            font-size: 16px;
            color: var(--text-sub);
            max-width: 520px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

        .cta-btns {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #070B14;
            border-top: 1px solid rgba(255, 255, 255, 0.07);
            padding-top: 72px;
            color: var(--text-sub);
        }

        .site-footer .footer-top {
            padding-bottom: 48px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-brand .brand-text {
            font-size: 20px;
            color: #fff;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-sub);
            max-width: 320px;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-links li a {
            color: var(--text-sub);
            font-size: 14px;
            transition: color 0.3s ease;
        }

        .footer-links li a:hover {
            color: var(--brand-blue);
            text-decoration: none;
        }

        .footer-contact-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .footer-contact-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
        }

        .footer-contact-list li i {
            color: var(--brand-blue);
            margin-top: 4px;
            min-width: 16px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--text-placeholder);
        }

        .footer-bottom a {
            color: var(--text-sub);
            font-size: 13px;
            margin-left: 16px;
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        /* ===== Mobile Header ===== */
        @media (max-width: 768px) {
            .site-header {
                height: auto;
                min-height: 64px;
            }

            .site-header .container {
                flex-wrap: nowrap;
                height: 64px;
                gap: 8px;
                padding-left: 16px;
                padding-right: 16px;
            }

            .site-nav {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(10, 14, 26, 0.97);
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                padding: 16px;
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
            }

            .site-nav.open {
                display: flex;
            }

            .site-nav .nav-link {
                justify-content: center;
                padding: 12px 16px;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .nav-cta {
                display: none;
            }

            .brand-text {
                font-size: 16px;
            }
        }

        /* ===== Responsive ===== */
        @media (max-width: 1199px) and (min-width: 992px) {
            .strategy-row {
                gap: 40px;
            }

            .strategy-media img,
            .strategy-media .placeholder-overlay {
                min-height: 320px;
            }
        }

        @media (max-width: 991px) {
            :root {
                --space-section: 80px;
            }

            .strategy-row {
                flex-direction: column;
                gap: 32px;
                align-items: stretch;
            }

            .strategy-media,
            .strategy-content {
                min-width: 0;
                flex: 1 1 auto;
            }

            .strategy-media img,
            .strategy-media .placeholder-overlay {
                min-height: 260px;
            }

            .hero-stats-row {
                gap: 24px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --space-section: 60px;
            }

            .section-title {
                font-size: 26px;
            }

            .category-hero {
                min-height: auto;
                padding: 56px 0;
            }

            .category-hero h1 {
                font-size: 32px;
                letter-spacing: -0.5px;
            }

            .category-hero p {
                font-size: 15px;
            }

            .hero-stats-row {
                gap: 18px;
                flex-direction: column;
            }

            .cta-box {
                padding: 40px 24px;
            }

            .cta-box h2 {
                font-size: 24px;
            }

            .keyword-panel {
                padding: 28px 20px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .guide-card {
                padding: 24px 20px;
            }

            .strategy-points li {
                font-size: 13px;
            }

            .cta-box p {
                font-size: 14px;
            }

            .btn-lg-custom {
                padding: 12px 28px;
                font-size: 15px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-dark: #0A0E1A;
            --bg-panel: #0E1526;
            --bg-glass: rgba(255, 255, 255, 0.05);
            --bg-glass-hover: rgba(255, 255, 255, 0.07);
            --border-glass: rgba(255, 255, 255, 0.09);
            --border-hover: rgba(61, 155, 255, 0.35);
            --primary: #3D9BFF;
            --accent: #6EE7D2;
            --gold: #E8C34A;
            --text-main: #EAF0FA;
            --text-secondary: #9FB0C8;
            --text-muted: #5D6B82;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-pill: 999px;
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.25);
            --shadow-glow: 0 0 24px rgba(61, 155, 255, 0.30);
            --shadow-accent: 0 0 20px rgba(110, 231, 210, 0.25);
            --spacer-section: 100px;
            --font-body: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
            --font-num: "Inter", "SF Pro Display", system-ui;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            font-size: 15px;
            line-height: 1.75;
            background: var(--bg-dark);
            color: var(--text-main);
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.25s ease;
        }

        a:hover {
            color: #6bb8ff;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container {
            max-width: 1320px;
            padding-left: 24px;
            padding-right: 24px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== Buttons ========== */
        .btn {
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 14px;
            padding: 10px 24px;
            transition: all 0.25s ease;
            border: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            line-height: 1.6;
        }

        .btn-primary {
            background: linear-gradient(135deg, #3D9BFF 0%, #2563eb 100%);
            color: #fff;
            box-shadow: 0 4px 20px rgba(61, 155, 255, 0.35);
        }

        .btn-primary:hover {
            color: #fff;
            box-shadow: 0 6px 28px rgba(61, 155, 255, 0.55);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 12px rgba(61, 155, 255, 0.3);
        }

        .btn-outline {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: var(--text-main);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }

        .btn-lg {
            padding: 14px 36px;
            font-size: 16px;
        }

        .btn:focus-visible,
        .nav-link:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
        }

        /* ========== Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: 70px;
            background: rgba(10, 14, 26, 0.85);
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-icon {
            width: 32px;
            height: 32px;
            border-radius: 9px;
            background: linear-gradient(135deg, var(--primary), #1d4ed8);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            color: #fff;
            box-shadow: 0 0 14px rgba(61, 155, 255, 0.4);
        }

        .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .site-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            justify-content: center;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.04);
        }

        .nav-link.active {
            color: #fff;
            background: rgba(61, 155, 255, 0.18);
            box-shadow: inset 0 -2px 0 rgba(61, 155, 255, 0.7);
        }

        .nav-cta {
            flex-shrink: 0;
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            width: 42px;
            height: 40px;
            border-radius: var(--radius-sm);
            color: var(--text-main);
            font-size: 18px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: all 0.25s ease;
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.35);
        }

        /* ========== Mobile Nav ========== */
        .mobile-nav {
            display: none;
            position: fixed;
            top: 70px;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(10, 14, 26, 0.97);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 16px 24px 24px;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-nav.open {
            display: flex;
        }

        .mobile-nav .nav-link {
            padding: 12px 20px;
            font-size: 15px;
            border-radius: var(--radius-md);
        }

        .mobile-nav .nav-cta {
            margin-top: 10px;
            justify-content: center;
        }

        /* ========== Sections ========== */
        .section {
            padding: var(--spacer-section) 0;
            position: relative;
        }

        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }

        .section-tag {
            display: inline-block;
            padding: 5px 16px;
            border-radius: var(--radius-pill);
            background: rgba(61, 155, 255, 0.12);
            border: 1px solid rgba(61, 155, 255, 0.25);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .section-header h2 {
            font-size: 34px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .section-header p {
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.7;
        }

        /* ========== Category Hero ========== */
        .cat-hero {
            min-height: 600px;
            display: flex;
            align-items: center;
            position: relative;
            background: linear-gradient(135deg, rgba(10, 14, 26, 0.85), rgba(14, 21, 38, 0.7)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            overflow: hidden;
        }

        .cat-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
            background-size: 48px 48px;
            pointer-events: none;
        }

        .cat-hero .container {
            position: relative;
            z-index: 2;
        }

        .cat-hero-content {
            max-width: 760px;
            padding: 80px 0;
        }

        .cat-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            border-radius: var(--radius-pill);
            background: rgba(110, 231, 210, 0.12);
            border: 1px solid rgba(110, 231, 210, 0.35);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 24px;
        }

        .cat-badge i {
            font-size: 12px;
        }

        .cat-hero h1 {
            font-size: 50px;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

        .cat-hero h1 .highlight {
            color: var(--primary);
            text-shadow: 0 0 30px rgba(61, 155, 255, 0.5);
        }

        .cat-hero .lead {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 620px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .hero-info-bar {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 3;
            padding: 24px 0;
            background: linear-gradient(to top, rgba(10, 14, 26, 0.95), transparent);
        }

        .hero-info-bar .container {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }

        .hero-info-item {
            flex: 1;
            min-width: 200px;
            background: var(--bg-glass);
            backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .hero-info-item i {
            font-size: 20px;
            color: var(--primary);
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(61, 155, 255, 0.12);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .hero-info-item .info-label {
            font-size: 12px;
            color: var(--text-secondary);
            margin-bottom: 2px;
        }

        .hero-info-item .info-value {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
        }

        /* ========== Service Cards ========== */
        .service-section {
            background: var(--bg-panel);
        }

        .service-card {
            background: var(--bg-glass);
            backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 32px 26px;
            height: 100%;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .service-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--primary), transparent);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .service-card:hover {
            background: var(--bg-glass-hover);
            border-color: var(--border-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
        }

        .service-card:hover::after {
            opacity: 1;
        }

        .service-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(61, 155, 255, 0.2), rgba(61, 155, 255, 0.05));
            border: 1px solid rgba(61, 155, 255, 0.25);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 20px;
            transition: all 0.3s ease;
        }

        .service-card:hover .service-icon {
            box-shadow: var(--shadow-glow);
            transform: scale(1.05);
        }

        .service-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .service-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== Stats ========== */
        .stats-section {
            background: var(--bg-dark);
            position: relative;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 0%, rgba(61, 155, 255, 0.08), transparent 70%);
            pointer-events: none;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
            z-index: 2;
        }

        .stat-item {
            text-align: center;
            padding: 36px 20px;
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            transition: all 0.3s ease;
        }

        .stat-item:hover {
            border-color: rgba(110, 231, 210, 0.3);
            box-shadow: var(--shadow-accent);
            transform: translateY(-3px);
        }

        .stat-num {
            font-family: var(--font-num);
            font-size: 42px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 8px;
            text-shadow: 0 0 20px rgba(110, 231, 210, 0.3);
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
        }

        /* ========== Steps ========== */
        .steps-section {
            background: var(--bg-panel);
        }

        .steps-wrap {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            position: relative;
        }

        .steps-wrap::before {
            content: '';
            position: absolute;
            top: 32px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0.3;
            border-radius: 2px;
        }

        .step-item {
            text-align: center;
            padding: 0 12px;
            position: relative;
            z-index: 2;
        }

        .step-num {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--bg-panel);
            border: 2px solid var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 20px;
            box-shadow: 0 0 0 6px rgba(61, 155, 255, 0.1);
            position: relative;
            z-index: 2;
            transition: all 0.3s ease;
        }

        .step-item:hover .step-num {
            box-shadow: 0 0 0 6px rgba(61, 155, 255, 0.18), var(--shadow-glow);
            transform: scale(1.06);
        }

        .step-item h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .step-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ========== Guarantee Section ========== */
        .guarantee-section {
            background: var(--bg-dark);
        }

        .guarantee-img-wrapper {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-glass);
            box-shadow: var(--shadow-card);
        }

        .guarantee-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 400px;
        }

        .guarantee-img-wrapper::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 14, 26, 0.2), rgba(10, 14, 26, 0.6));
        }

        .guarantee-content {
            padding: 30px 10px 30px 40px;
        }

        .guarantee-content .section-tag {
            margin-bottom: 12px;
        }

        .guarantee-content h2 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 18px;
            color: var(--text-main);
        }

        .guarantee-content > p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 24px;
        }

        .guarantee-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 14px;
        }

        .guarantee-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 14px 18px;
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            transition: all 0.25s ease;
        }

        .guarantee-list li:hover {
            background: var(--bg-glass-hover);
            border-color: rgba(110, 231, 210, 0.3);
        }

        .guarantee-list li i {
            color: var(--accent);
            font-size: 16px;
            margin-top: 4px;
            flex-shrink: 0;
        }

        .guarantee-list li span {
            font-size: 14px;
            color: var(--text-main);
            line-height: 1.6;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-panel);
        }

        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }

        .accordion.custom-accordion {
            --bs-accordion-bg: transparent;
            --bs-accordion-border-width: 0;
            --bs-accordion-btn-bg: transparent;
            --bs-accordion-active-bg: transparent;
            --bs-accordion-body-padding-x: 0;
        }

        .accordion.custom-accordion .accordion-item {
            background: var(--bg-glass);
            backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .accordion.custom-accordion .accordion-item:hover {
            border-color: rgba(61, 155, 255, 0.25);
        }

        .accordion.custom-accordion .accordion-button {
            background: transparent;
            color: var(--text-main);
            font-size: 16px;
            font-weight: 600;
            padding: 20px 24px;
            box-shadow: none;
            border-radius: var(--radius-md);
            position: relative;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .accordion.custom-accordion .accordion-button:not(.collapsed) {
            color: var(--text-main);
            background: rgba(61, 155, 255, 0.04);
            box-shadow: none;
        }

        .accordion.custom-accordion .accordion-button:focus {
            box-shadow: none;
            outline: none;
            border-color: transparent;
        }

        .accordion.custom-accordion .accordion-button::after {
            display: none;
        }

        .accordion.custom-accordion .accordion-button .fa-chevron-down {
            transition: transform 0.3s ease;
            color: var(--text-secondary);
            font-size: 14px;
            flex-shrink: 0;
            margin-left: 12px;
        }

        .accordion.custom-accordion .accordion-button:not(.collapsed) .fa-chevron-down {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .accordion.custom-accordion .accordion-body {
            padding: 0 24px 20px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.75;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        /* ========== CTA ========== */
        .cta-box {
            background: linear-gradient(135deg, rgba(61, 155, 255, 0.15), rgba(110, 231, 210, 0.08));
            border: 1px solid rgba(61, 155, 255, 0.25);
            border-radius: 24px;
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 32px 32px;
            pointer-events: none;
        }

        .cta-box h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
            position: relative;
            z-index: 2;
        }

        .cta-box p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 520px;
            margin: 0 auto 28px;
            position: relative;
            z-index: 2;
        }

        .cta-box .btn {
            position: relative;
            z-index: 2;
        }

        /* ========== Related ========== */
        .related-section {
            background: var(--bg-dark);
        }

        .related-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            transition: all 0.3s ease;
            height: 100%;
            display: block;
        }

        .related-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
        }

        .related-card-img {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

        .related-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .related-card:hover .related-card-img img {
            transform: scale(1.05);
        }

        .related-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(10, 14, 26, 0.7), transparent);
        }

        .related-card-body {
            padding: 24px 26px 26px;
        }

        .related-card-body h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .related-card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 16px;
            line-height: 1.6;
        }

        .related-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }

        .related-more i {
            font-size: 12px;
            transition: transform 0.25s ease;
        }

        .related-card:hover .related-more i {
            transform: translateX(4px);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #070B14;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 64px 0 0;
            position: relative;
        }

        .footer-top {
            padding-bottom: 40px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-brand .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
        }

        .footer-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
            max-width: 320px;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 8px;
        }

        .footer-links a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: all 0.25s ease;
            display: inline-block;
        }

        .footer-links a:hover {
            color: var(--primary);
            transform: translateX(4px);
        }

        .footer-contact-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 12px;
        }

        .footer-contact-list li {
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .footer-contact-list li i {
            color: var(--primary);
            margin-top: 4px;
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 18px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-muted);
        }

        .footer-bottom a:hover {
            color: var(--primary);
        }

        .footer-bottom .footer-links {
            display: inline-flex;
            gap: 8px;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1199.98px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .steps-wrap {
                grid-template-columns: repeat(2, 1fr);
                gap: 40px 24px;
            }

            .steps-wrap::before {
                display: none;
            }

            .guarantee-content {
                padding: 24px 0 0;
            }
        }

        @media (max-width: 991.98px) {
            :root {
                --spacer-section: 80px;
            }

            .site-header .site-nav {
                display: none;
            }

            .nav-cta {
                display: none;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .cat-hero {
                min-height: 520px;
            }

            .cat-hero h1 {
                font-size: 40px;
            }

            .hero-info-bar {
                position: static;
                background: transparent;
                padding: 0 0 48px;
            }

            .hero-info-bar .container {
                gap: 14px;
            }

            .service-card {
                padding: 24px 20px;
            }

            .guarantee-img-wrapper img {
                min-height: 300px;
            }

            .cta-box {
                padding: 40px 28px;
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --spacer-section: 64px;
            }

            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .cat-hero {
                min-height: 480px;
            }

            .cat-hero h1 {
                font-size: 32px;
            }

            .cat-hero .lead {
                font-size: 15px;
            }

            .section-header h2 {
                font-size: 26px;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

            .stat-num {
                font-size: 32px;
            }

            .steps-wrap {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .step-item {
                text-align: center;
            }

            .guarantee-content {
                padding: 24px 0 0;
            }

            .guarantee-content h2 {
                font-size: 24px;
            }

            .cta-box {
                padding: 32px 22px;
            }

            .cta-box h2 {
                font-size: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }

            .footer-contact-list li {
                font-size: 13px;
            }

            .hero-actions .btn {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .brand-text {
                font-size: 16px;
            }

            .cat-hero h1 {
                font-size: 28px;
            }

            .cat-hero .lead {
                font-size: 14px;
            }

            .stats-grid {
                grid-template-columns: 1fr;
            }

            .stat-item {
                padding: 24px 16px;
            }

            .stat-num {
                font-size: 36px;
            }

            .step-item {
                padding: 0;
            }

            .accordion.custom-accordion .accordion-button {
                font-size: 15px;
                padding: 16px 18px;
            }

            .accordion.custom-accordion .accordion-body {
                padding: 0 18px 16px;
            }

            .section-header {
                margin-bottom: 36px;
            }
        }