/* roulang page: index */
:root {
            --color-brand: #e86d2c;
            --color-brand-dark: #b0411b;
            --color-accent: #8f56bd;
            --color-accent-dark: #633082;
            --color-text: #1c1917;
            --color-text-soft: #57534e;
            --color-text-muted: #8c8884;
            --color-border: #e7e5e4;
            --color-bg: #fafaf9;
            --color-surface: #ffffff;
            --color-surface-dark: #1c1917;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 8px 36px rgba(0, 0, 0, 0.11);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.14);
            --transition-fast: 180ms ease;
            --transition-base: 280ms ease;
            --transition-slow: 400ms ease;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
        }

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

        /* 容器 */
        .container-custom {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        @media (max-width: 768px) {
            .container-custom {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border);
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 1.5rem;
        }
        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
            gap: 1.75rem;
            flex-shrink: 0;
        }
        .nav-center {
            flex-shrink: 0;
        }
        .nav-logo {
            font-size: 1.5rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            color: var(--color-text);
            white-space: nowrap;
            transition: color var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .nav-logo:hover {
            color: var(--color-brand);
        }
        .nav-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, #e86d2c, #b0411b);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
        }
        .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-soft);
            position: relative;
            padding: 0.35rem 0;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--color-brand);
            border-radius: 2px;
            transition: width var(--transition-base);
        }
        .nav-link:hover,
        .nav-link.active {
            color: var(--color-brand);
        }
        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.55rem 1.25rem;
            border-radius: 2rem;
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--color-brand);
            color: #fff;
            border: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-cta-btn:hover {
            background: var(--color-brand-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            padding: 0.5rem;
            cursor: pointer;
            flex-direction: column;
            gap: 5px;
            z-index: 110;
        }
        .mobile-menu-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--color-text);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .mobile-menu-toggle.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .mobile-menu-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .mobile-menu-toggle.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            z-index: 99;
            flex-direction: column;
            padding: 2rem 1.5rem;
            gap: 0.75rem;
            overflow-y: auto;
        }
        .mobile-nav-panel.open {
            display: flex;
        }
        .mobile-nav-panel .nav-link {
            font-size: 1.15rem;
            padding: 0.85rem 1rem;
            border-radius: var(--radius-md);
            transition: background var(--transition-fast);
        }
        .mobile-nav-panel .nav-link:hover {
            background: #fef5f0;
        }
        .mobile-nav-panel .nav-cta-btn {
            margin-top: 0.75rem;
            text-align: center;
            justify-content: center;
            font-size: 1rem;
            padding: 0.75rem 1.5rem;
        }

        @media (max-width: 1024px) {
            .nav-left,
            .nav-right {
                display: none;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .nav-container {
                justify-content: space-between;
            }
            .nav-center {
                position: absolute;
                left: 50%;
                transform: translateX(-50%);
            }
        }
        @media (min-width: 1025px) {
            .mobile-nav-panel {
                display: none !important;
            }
            .mobile-menu-toggle {
                display: none !important;
            }
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, #1c1917 0%, #2a2218 40%, #1c1917 100%);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            mix-blend-mode: overlay;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(232, 109, 44, 0.18) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(143, 86, 189, 0.12) 0%, transparent 50%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }
        .hero-badge {
            display: inline-block;
            padding: 0.4rem 1rem;
            border-radius: 2rem;
            font-size: 0.85rem;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.12);
            color: #fbd0b0;
            border: 1px solid rgba(255, 255, 255, 0.18);
            letter-spacing: 0.04em;
            margin-bottom: 1.25rem;
        }
        .hero-title {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            color: #ffffff;
            margin-bottom: 1.25rem;
            letter-spacing: 0.02em;
        }
        .hero-title span {
            background: linear-gradient(135deg, #f28a4a, #fbd0b0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 1.1rem;
            color: #d6d3d1;
            line-height: 1.8;
            margin-bottom: 2rem;
            max-width: 600px;
        }
        .hero-buttons {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 1.75rem;
            border-radius: 2.5rem;
            font-size: 1rem;
            font-weight: 600;
            background: var(--color-brand);
            color: #fff;
            border: none;
            transition: all var(--transition-fast);
        }
        .btn-primary:hover {
            background: #d4551f;
            color: #fff;
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 1.75rem;
            border-radius: 2.5rem;
            font-size: 1rem;
            font-weight: 600;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
            transition: all var(--transition-fast);
        }
        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        @media (max-width: 768px) {
            .hero-section {
                min-height: 500px;
                text-align: center;
            }
            .hero-content {
                max-width: 100%;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-desc {
                font-size: 1rem;
                max-width: 100%;
            }
            .hero-buttons {
                justify-content: center;
            }
            .hero-badge {
                margin-left: auto;
                margin-right: auto;
            }
        }

        /* 板块通用 */
        .section-block {
            padding: 5rem 0;
        }
        @media (max-width: 768px) {
            .section-block {
                padding: 3rem 0;
            }
        }
        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-brand);
            margin-bottom: 0.5rem;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.75rem;
            letter-spacing: 0.01em;
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-soft);
            max-width: 620px;
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.65rem;
            }
        }

        /* 数据卡片 */
        .stat-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 2rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--color-brand);
            line-height: 1;
            margin-bottom: 0.5rem;
        }
        .stat-label {
            font-size: 0.95rem;
            color: var(--color-text-soft);
            font-weight: 500;
        }

        /* 优势卡片 */
        .advantage-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 2rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 0.85rem;
        }
        .advantage-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .advantage-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            flex-shrink: 0;
        }
        .advantage-icon.orange {
            background: #fef5f0;
            color: #e86d2c;
        }
        .advantage-icon.purple {
            background: #f5f0fa;
            color: #8f56bd;
        }
        .advantage-icon.green {
            background: #f0faf5;
            color: #3b8c5d;
        }
        .advantage-icon.blue {
            background: #f0f5fa;
            color: #3b6e9c;
        }
        .advantage-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-text);
        }
        .advantage-card p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.65;
        }

        /* 分类卡片 */
        .category-card {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            aspect-ratio: 4/3;
            cursor: pointer;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: block;
        }
        .category-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-5px);
        }
        .category-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .category-card:hover img {
            transform: scale(1.08);
        }
        .category-card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.75) 0%, rgba(0, 0, 0, 0.2) 50%, rgba(0, 0, 0, 0.05) 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 1.5rem;
        }
        .category-card-overlay h3 {
            color: #fff;
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.3rem;
        }
        .category-card-overlay p {
            color: #e7e5e4;
            font-size: 0.85rem;
            line-height: 1.5;
        }

        /* 品牌故事 */
        .story-section {
            background: var(--color-surface-dark);
            color: #e7e5e4;
            position: relative;
            overflow: hidden;
        }
        .story-bg {
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            mix-blend-mode: soft-light;
        }
        .story-content {
            position: relative;
            z-index: 2;
        }
        .story-image-wrapper {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
        }
        .story-image-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 340px;
        }
        .story-text h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1.25rem;
        }
        .story-text p {
            color: #d6d3d1;
            line-height: 1.85;
            margin-bottom: 1rem;
            font-size: 1rem;
        }
        @media (max-width: 768px) {
            .story-text h2 {
                font-size: 1.6rem;
            }
        }

        /* 赛事卡片 */
        .event-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
        }
        .event-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .event-card-image {
            aspect-ratio: 16/10;
            overflow: hidden;
        }
        .event-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .event-card:hover .event-card-image img {
            transform: scale(1.06);
        }
        .event-card-body {
            padding: 1.25rem 1.5rem;
        }
        .event-card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.5rem;
        }
        .event-card-body p {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.6;
        }
        .event-tag {
            display: inline-block;
            padding: 0.25rem 0.7rem;
            border-radius: 2rem;
            font-size: 0.78rem;
            font-weight: 600;
            background: #fef5f0;
            color: #e86d2c;
            margin-bottom: 0.6rem;
        }

        /* 合作伙伴 */
        .partner-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            justify-content: center;
            align-items: center;
        }
        .partner-item {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 1.5rem 2rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-text-soft);
            text-align: center;
            min-width: 120px;
            transition: all var(--transition-fast);
            letter-spacing: 0.04em;
        }
        .partner-item:hover {
            box-shadow: var(--shadow-md);
            color: var(--color-brand);
            border-color: var(--color-brand);
            transform: translateY(-2px);
        }

        /* 评价 */
        .testimonial-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 2rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
        }
        .testimonial-card .quote-mark {
            font-size: 2.5rem;
            color: var(--color-brand);
            line-height: 1;
            margin-bottom: 0.5rem;
            font-weight: 700;
        }
        .testimonial-card .quote-text {
            font-size: 0.95rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            margin-bottom: 1rem;
        }
        .testimonial-card .author-name {
            font-weight: 700;
            color: var(--color-text);
            font-size: 0.95rem;
        }
        .testimonial-card .author-role {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        /* FAQ */
        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition-fast);
            margin-bottom: 0.75rem;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-item summary {
            padding: 1.25rem 1.5rem;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '+';
            font-size: 1.4rem;
            font-weight: 400;
            color: var(--color-text-muted);
            flex-shrink: 0;
            transition: transform var(--transition-fast);
        }
        .faq-item[open] summary::after {
            content: '−';
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 1.5rem 1.25rem;
            font-size: 0.92rem;
            color: var(--color-text-soft);
            line-height: 1.75;
        }

        /* 新闻卡片 */
        .news-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 1.5rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }
        .news-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .news-card .news-date {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }
        .news-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.5;
        }
        .news-card p {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            flex-grow: 1;
        }
        .news-read-more {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-brand);
            transition: gap var(--transition-fast);
            align-self: flex-start;
        }
        .news-read-more:hover {
            gap: 0.6rem;
            color: var(--color-brand-dark);
        }

        /* CTA */
        .cta-section {
            position: relative;
            background: linear-gradient(135deg, #1c1917 0%, #2a1f18 100%);
            overflow: hidden;
            padding: 5rem 0;
            text-align: center;
        }
        .cta-bg {
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            mix-blend-mode: overlay;
        }
        .cta-content {
            position: relative;
            z-index: 2;
        }
        .cta-content h2 {
            color: #fff;
            font-size: 2.4rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .cta-content p {
            color: #d6d3d1;
            font-size: 1.1rem;
            margin-bottom: 2rem;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 768px) {
            .cta-content h2 {
                font-size: 1.7rem;
            }
        }

        /* 页脚 */
        .site-footer {
            background: #0f0d0b;
            color: #8c8884;
            padding: 3.5rem 0 2rem;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .footer-brand-name {
            font-size: 1.35rem;
            font-weight: 700;
            color: #e7e5e4;
            margin-bottom: 0.75rem;
        }
        .footer-desc {
            line-height: 1.7;
            font-size: 0.85rem;
        }
        .footer-col h4 {
            color: #d6d3d1;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }
        .footer-col a {
            display: block;
            color: #8c8884;
            font-size: 0.85rem;
            padding: 0.25rem 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: #e7e5e4;
        }
        .footer-bottom {
            border-top: 1px solid #292524;
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.82rem;
            color: #6b6763;
        }

        /* 动效 */
        .fade-in-up {
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 0.7s ease forwards;
        }
        @keyframes fadeInUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .delay-1 {
            animation-delay: 0.1s;
        }
        .delay-2 {
            animation-delay: 0.2s;
        }
        .delay-3 {
            animation-delay: 0.3s;
        }
        .delay-4 {
            animation-delay: 0.4s;
        }

/* roulang page: category3 */
:root {
            --color-brand: #1a1a2e;
            --color-brand-light: #2d2d4a;
            --color-accent: #c9a96e;
            --color-accent-hover: #b8944f;
            --color-surface: #f9f7f3;
            --color-surface-alt: #f0ede6;
            --color-text-primary: #1c1c1c;
            --color-text-secondary: #5c5c5c;
            --color-text-muted: #8a8a8a;
            --color-border-soft: #e5e0d8;
            --color-border-medium: #d5cfc5;
            --color-white: #ffffff;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.06);
            --radius-xs: 4px;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "STHeiti", system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--color-text-primary);
            background-color: var(--color-white);
            min-height: 100vh;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input,
        textarea {
            font-family: inherit;
        }

        .container-custom {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== HEADER / NAV ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border-soft);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 20px;
            position: relative;
        }

        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }

        .nav-center {
            flex-shrink: 0;
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-brand);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: opacity var(--transition-fast);
        }

        .nav-logo:hover {
            opacity: 0.82;
        }

        .nav-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: var(--radius-sm);
            background: var(--color-brand);
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
        }

        .nav-link:hover {
            color: var(--color-brand);
            background: rgba(26, 26, 46, 0.04);
        }

        .nav-link.active {
            color: var(--color-accent);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2.5px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            padding: 9px 20px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 600;
            white-space: nowrap;
            background: var(--color-accent);
            color: #fff;
            border: none;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 8px rgba(201, 169, 110, 0.3);
        }

        .nav-cta-btn:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.4);
            transform: translateY(-1px);
        }

        .nav-cta-btn:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(201, 169, 110, 0.3);
        }

        /* Mobile Menu */
        .mobile-menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: none;
            border: none;
            cursor: pointer;
            z-index: 1001;
            flex-shrink: 0;
        }

        .mobile-menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            border-radius: 1px;
            background: var(--color-brand);
            transition: all var(--transition-fast);
        }

        .mobile-menu-toggle.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .mobile-menu-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .mobile-menu-toggle.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            z-index: 999;
            flex-direction: column;
            padding: 20px 24px;
            gap: 4px;
            overflow-y: auto;
            border-top: 1px solid var(--color-border-soft);
        }

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

        .mobile-nav-panel .nav-link {
            padding: 14px 16px;
            font-size: 1rem;
            border-radius: var(--radius-md);
            width: 100%;
        }

        .mobile-nav-panel .nav-link.active {
            background: rgba(201, 169, 110, 0.08);
        }

        .mobile-nav-panel .nav-cta-btn {
            margin-top: 8px;
            text-align: center;
            justify-content: center;
            padding: 14px 20px;
            border-radius: 28px;
            font-size: 1rem;
            width: 100%;
        }

        @media (max-width: 1024px) {
            .nav-left,
            .nav-right {
                display: none;
            }
            .nav-center {
                position: static;
                transform: none;
            }
            .nav-container {
                justify-content: space-between;
            }
            .mobile-menu-toggle {
                display: flex;
            }
        }

        @media (min-width: 1025px) {
            .mobile-nav-panel {
                display: none !important;
            }
            .mobile-menu-toggle {
                display: none;
            }
        }

        /* ===== PAGE BANNER ===== */
        .page-banner {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            overflow: hidden;
            background-color: var(--color-brand);
        }

        .page-banner-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.45;
        }

        .page-banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 26, 46, 0.7) 0%, rgba(26, 26, 46, 0.5) 60%, rgba(26, 26, 46, 0.75) 100%);
        }

        .page-banner-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
            padding: 40px 24px;
        }

        .page-banner-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            background: rgba(201, 169, 110, 0.2);
            color: var(--color-accent);
            border: 1px solid rgba(201, 169, 110, 0.35);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .page-banner-title {
            font-size: 2.6rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.03em;
            line-height: 1.25;
        }

        .page-banner-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            margin: 0;
        }

        @media (max-width: 768px) {
            .page-banner {
                min-height: 300px;
            }
            .page-banner-title {
                font-size: 1.8rem;
            }
            .page-banner-desc {
                font-size: 0.95rem;
            }
        }

        /* ===== SECTION ===== */
        .section {
            padding: 64px 0;
        }
        .section-alt {
            background: var(--color-surface);
        }
        .section-dark {
            background: var(--color-brand);
            color: #fff;
        }
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin: 0 0 12px;
            letter-spacing: 0.02em;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        @media (max-width: 768px) {
            .section {
                padding: 42px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }

        /* ===== CARDS ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .card-grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .card-grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 22px;
        }

        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .card-grid,
            .card-grid-4,
            .card-grid-2 {
                grid-template-columns: 1fr;
            }
        }

        .card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--color-border-soft);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border-medium);
        }
        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .card-icon.accent-bg {
            background: rgba(201, 169, 110, 0.12);
            color: var(--color-accent);
        }
        .card-icon.brand-bg {
            background: rgba(26, 26, 46, 0.08);
            color: var(--color-brand);
        }
        .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin: 0 0 8px;
        }
        .card-desc {
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
            flex-grow: 1;
        }
        .card-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
            margin-top: 12px;
            align-self: flex-start;
        }
        .card-tag.accent-tag {
            background: rgba(201, 169, 110, 0.1);
            color: var(--color-accent);
        }

        /* ===== STAT CARD ===== */
        .stat-card {
            text-align: center;
            padding: 24px 16px;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-soft);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 6px;
            letter-spacing: -0.02em;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        /* ===== CASE CARD ===== */
        .case-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-soft);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }
        .case-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .case-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            flex-shrink: 0;
        }
        .case-card-body {
            padding: 20px 20px 16px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        .case-card-title {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin: 0 0 6px;
        }
        .case-card-desc {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
            margin: 0;
            flex-grow: 1;
        }
        .case-card-meta {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: 10px;
        }

        /* ===== TIMELINE / PROCESS ===== */
        .process-steps {
            display: flex;
            gap: 20px;
            counter-reset: step;
        }
        .process-step {
            flex: 1;
            text-align: center;
            position: relative;
            padding: 28px 16px 20px;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-soft);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
        }
        .process-step:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .process-step::before {
            counter-increment: step;
            content: counter(step);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 1.15rem;
            margin: 0 auto 14px;
            flex-shrink: 0;
        }
        .process-step-title {
            font-weight: 700;
            font-size: 1.02rem;
            color: var(--color-text-primary);
            margin-bottom: 6px;
        }
        .process-step-desc {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }
        .process-arrow {
            display: flex;
            align-items: center;
            color: var(--color-accent);
            font-size: 1.4rem;
            flex-shrink: 0;
        }

        @media (max-width: 768px) {
            .process-steps {
                flex-direction: column;
                gap: 12px;
            }
            .process-arrow {
                display: none;
            }
            .process-step {
                flex-direction: row;
                text-align: left;
                display: flex;
                align-items: flex-start;
                gap: 14px;
                padding: 18px 16px;
            }
            .process-step::before {
                margin: 0;
                flex-shrink: 0;
            }
        }

        /* ===== TESTIMONIAL ===== */
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--color-border-soft);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            position: relative;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .testimonial-quote {
            font-size: 1.5rem;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 10px;
            font-weight: 700;
        }
        .testimonial-text {
            font-size: 0.94rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0 0 16px;
        }
        .testimonial-author {
            font-weight: 700;
            font-size: 0.92rem;
            color: var(--color-text-primary);
        }
        .testimonial-role {
            font-size: 0.82rem;
            color: var(--color-text-muted);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-soft);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-border-medium);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 20px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text-primary);
            background: none;
            border: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-arrow {
            flex-shrink: 0;
            transition: transform var(--transition-fast);
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            background: var(--color-brand);
            text-align: center;
            padding: 60px 24px;
            border-radius: 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(201, 169, 110, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section-content {
            position: relative;
            z-index: 2;
            max-width: 600px;
            margin: 0 auto;
        }
        .cta-section-title {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 10px;
        }
        .cta-section-desc {
            font-size: 1.02rem;
            color: rgba(255, 255, 255, 0.75);
            margin: 0 0 28px;
            line-height: 1.6;
        }
        .cta-btn-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 700;
            background: var(--color-accent);
            color: #fff;
            border: none;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 18px rgba(201, 169, 110, 0.4);
        }
        .cta-btn-lg:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 8px 28px rgba(201, 169, 110, 0.5);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .cta-section-title {
                font-size: 1.5rem;
            }
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: #141420;
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand-name {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.7;
            margin: 0;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin: 0 0 12px;
        }
        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            padding: 5px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== UTILITY ===== */
        .text-accent {
            color: var(--color-accent);
        }
        .text-brand {
            color: var(--color-brand);
        }
        .bg-surface {
            background: var(--color-surface);
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }

/* roulang page: category4 */
:root {
            --primary: #1a1a2e;
            --primary-light: #16213e;
            --accent: #d4a853;
            --accent-hover: #c4963f;
            --accent-light: #f5e6c8;
            --bg: #fafaf8;
            --bg-alt: #f3f1eb;
            --bg-dark: #1a1a2e;
            --text: #2c2c2c;
            --text-light: #6b6b6b;
            --text-muted: #9a9a9a;
            --white: #ffffff;
            --border: #e8e5dc;
            --border-light: #f0ede6;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --shadow-gold: 0 8px 32px rgba(212, 168, 83, 0.18);
            --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            overflow-x: hidden;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

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

        .container-custom {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== HEADER & NAV ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 16px;
        }

        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
        }

        .nav-left {
            justify-content: flex-end;
        }

        .nav-right {
            justify-content: flex-start;
        }

        .nav-center {
            flex-shrink: 0;
            padding: 0 8px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: opacity var(--transition);
        }

        .nav-logo:hover {
            opacity: 0.82;
        }

        .nav-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--accent) 0%, #b8913a 100%);
            color: #fff;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text);
            border-radius: 8px;
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
        }

        .nav-link:hover {
            color: var(--accent);
            background: var(--accent-light);
        }

        .nav-link.active {
            color: var(--accent);
            font-weight: 600;
            background: var(--accent-light);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            padding: 9px 20px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, var(--accent) 0%, #b8913a 100%);
            border-radius: 24px;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 2px 10px rgba(212, 168, 83, 0.3);
            margin-left: 6px;
        }

        .nav-cta-btn:hover {
            box-shadow: 0 6px 22px rgba(212, 168, 83, 0.45);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: transparent;
            border-radius: 6px;
            transition: background var(--transition);
        }

        .mobile-menu-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .mobile-menu-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .mobile-menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .mobile-menu-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-nav-panel {
            display: none;
            position: absolute;
            top: 68px;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-md);
            padding: 16px 24px;
            flex-direction: column;
            gap: 6px;
            z-index: 999;
        }

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

        .mobile-nav-panel .nav-link,
        .mobile-nav-panel .nav-cta-btn {
            display: block;
            text-align: center;
            padding: 12px 16px;
            font-size: 1rem;
            border-radius: 10px;
        }

        .mobile-nav-panel .nav-cta-btn {
            margin-left: 0;
            margin-top: 4px;
        }

        /* ===== PAGE BANNER ===== */
        .page-banner {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            overflow: hidden;
            isolation: isolate;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 26, 46, 0.72) 0%, rgba(22, 33, 62, 0.78) 50%, rgba(26, 26, 46, 0.88) 100%);
            z-index: 1;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(212, 168, 83, 0.15) 0%, transparent 70%);
            z-index: 2;
        }

        .page-banner-content {
            position: relative;
            z-index: 3;
            color: #fff;
            padding: 40px 24px;
            max-width: 700px;
        }

        .page-banner-badge {
            display: inline-block;
            padding: 6px 18px;
            background: rgba(212, 168, 83, 0.22);
            border: 1px solid rgba(212, 168, 83, 0.4);
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--accent-light);
            letter-spacing: 0.06em;
            margin-bottom: 16px;
        }

        .page-banner h1 {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: 0.03em;
            margin: 0 0 14px;
            line-height: 1.25;
        }

        .page-banner p {
            font-size: 1.1rem;
            opacity: 0.9;
            line-height: 1.8;
            margin: 0;
        }

        /* ===== SECTION COMMON ===== */
        .section {
            padding: 72px 0;
        }

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

        .section-dark {
            background: var(--bg-dark);
            color: #fff;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header .section-badge {
            display: inline-block;
            padding: 5px 16px;
            background: var(--accent-light);
            color: var(--accent);
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 12px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            margin: 0 0 10px;
            letter-spacing: 0.02em;
        }

        .section-dark .section-header h2 {
            color: #fff;
        }

        .section-header .section-subtitle {
            font-size: 1rem;
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-dark .section-header .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== MEMBER TIER CARDS ===== */
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .tier-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 36px 28px 32px;
            text-align: center;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .tier-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .tier-card.featured {
            border-color: var(--accent);
            box-shadow: var(--shadow-gold);
            background: linear-gradient(180deg, #fffdf7 0%, #ffffff 100%);
        }

        .tier-card.featured::before {
            content: '热门推荐';
            position: absolute;
            top: 16px;
            right: -28px;
            background: linear-gradient(135deg, var(--accent) 0%, #b8913a 100%);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 32px;
            transform: rotate(45deg);
            letter-spacing: 0.04em;
        }

        .tier-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }

        .tier-badge.silver {
            background: #f0f4f8;
            color: #5a6d80;
        }

        .tier-badge.gold {
            background: #fef9e7;
            color: #b8913a;
        }

        .tier-badge.diamond {
            background: #f3e8ff;
            color: #6b3fa0;
        }

        .tier-card h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 0 0 6px;
            color: var(--primary);
        }

        .tier-points {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 16px;
        }

        .tier-points strong {
            color: var(--accent);
            font-size: 1.1rem;
        }

        .tier-card .tier-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius);
            margin-bottom: 18px;
        }

        .tier-features {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
            text-align: left;
        }

        .tier-features li {
            padding: 7px 0 7px 26px;
            font-size: 0.9rem;
            color: var(--text);
            position: relative;
            border-bottom: 1px solid var(--border-light);
        }

        .tier-features li:last-child {
            border-bottom: none;
        }

        .tier-features li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 8px;
            color: var(--accent);
            font-size: 0.75rem;
        }

        .tier-join-btn {
            display: inline-block;
            padding: 11px 28px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.92rem;
            transition: all var(--transition);
            cursor: pointer;
            background: var(--primary);
            color: #fff;
        }

        .tier-join-btn:hover {
            background: #2a2a42;
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .tier-card.featured .tier-join-btn {
            background: linear-gradient(135deg, var(--accent) 0%, #b8913a 100%);
            box-shadow: 0 4px 16px rgba(212, 168, 83, 0.3);
        }

        .tier-card.featured .tier-join-btn:hover {
            box-shadow: 0 8px 28px rgba(212, 168, 83, 0.45);
        }

        /* ===== BENEFITS GRID ===== */
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .benefit-item {
            text-align: center;
            padding: 28px 18px;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .benefit-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .benefit-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--accent-light);
            color: var(--accent);
            font-size: 1.4rem;
            margin-bottom: 14px;
            transition: all var(--transition);
        }

        .benefit-item:hover .benefit-icon {
            background: var(--accent);
            color: #fff;
            box-shadow: var(--shadow-gold);
        }

        .benefit-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 0 0 6px;
            color: var(--primary);
        }

        .benefit-item p {
            font-size: 0.88rem;
            color: var(--text-light);
            margin: 0;
            line-height: 1.6;
        }

        /* ===== STATS ROW ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        .stat-card {
            padding: 32px 20px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.12);
            transition: all var(--transition);
        }

        .stat-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(212, 168, 83, 0.4);
        }

        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: 0.02em;
            line-height: 1.1;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 0.03em;
        }

        /* ===== SERVICE CARDS ===== */
        .service-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .service-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }

        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .service-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .service-card-body {
            padding: 22px 20px;
        }

        .service-card-body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--primary);
        }

        .service-card-body p {
            font-size: 0.9rem;
            color: var(--text-light);
            margin: 0 0 14px;
            line-height: 1.65;
        }

        .service-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--accent);
            transition: all var(--transition);
        }

        .service-card-link:hover {
            gap: 10px;
            color: #b8913a;
        }

        .service-card-link i {
            font-size: 0.7rem;
            transition: transform var(--transition);
        }

        .service-card-link:hover i {
            transform: translateX(3px);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            box-shadow: var(--shadow);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            background: transparent;
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            text-align: left;
            gap: 12px;
            transition: background var(--transition);
        }

        .faq-question:hover {
            background: var(--bg-alt);
        }

        .faq-question i {
            flex-shrink: 0;
            color: var(--accent);
            font-size: 0.85rem;
            transition: transform var(--transition);
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.75;
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            text-align: center;
            padding: 64px 24px;
            background: linear-gradient(160deg, #1a1a2e 0%, #16213e 50%, #1a1a2e 100%);
            border-radius: var(--radius-xl);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(ellipse at 30% 50%, rgba(212, 168, 83, 0.08) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin: 0 0 12px;
            position: relative;
        }

        .cta-section p {
            font-size: 1.05rem;
            opacity: 0.85;
            margin: 0 0 28px;
            max-width: 540px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
        }

        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
        }

        .cta-btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--accent) 0%, #b8913a 100%);
            border-radius: 28px;
            transition: all var(--transition);
            box-shadow: 0 6px 24px rgba(212, 168, 83, 0.35);
        }

        .cta-btn-primary:hover {
            box-shadow: 0 10px 36px rgba(212, 168, 83, 0.5);
            transform: translateY(-2px);
        }

        .cta-btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.35);
            border-radius: 28px;
            transition: all var(--transition);
        }

        .cta-btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.06);
            transform: translateY(-2px);
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 28px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand-name {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            opacity: 0.7;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.03em;
        }

        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.65);
            padding: 5px 0;
            transition: all var(--transition);
        }

        .footer-col a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 22px;
            text-align: center;
            font-size: 0.84rem;
            opacity: 0.55;
        }

        .footer-bottom p {
            margin: 0;
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .nav-left,
            .nav-right {
                gap: 2px;
            }
            .nav-link {
                padding: 7px 10px;
                font-size: 0.84rem;
            }
            .nav-cta-btn {
                padding: 8px 16px;
                font-size: 0.82rem;
            }
            .nav-center {
                padding: 0 4px;
            }
            .tier-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 18px;
            }
            .benefits-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .service-cards {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .page-banner h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-left,
            .nav-right {
                display: none;
            }
            .nav-center {
                flex: 1;
                display: flex;
                justify-content: flex-start;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .nav-container {
                justify-content: space-between;
                height: 60px;
            }
            .mobile-nav-panel {
                top: 60px;
            }
            .page-banner {
                min-height: 300px;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner p {
                font-size: 0.95rem;
            }
            .section {
                padding: 48px 0;
            }
            .section-header h2 {
                font-size: 1.55rem;
            }
            .tier-grid {
                grid-template-columns: 1fr;
                gap: 20px;
                max-width: 420px;
                margin: 0 auto;
            }
            .benefits-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .service-cards {
                grid-template-columns: 1fr;
                gap: 18px;
                max-width: 460px;
                margin: 0 auto;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .cta-section {
                padding: 44px 18px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.55rem;
            }
            .container-custom {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            .benefits-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .stats-row {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .page-banner {
                min-height: 260px;
            }
            .tier-card {
                padding: 24px 16px 22px;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-answer-inner {
                padding: 0 16px 16px;
                font-size: 0.84rem;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
        }

        /* focus styles for accessibility */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

/* roulang page: category1 */
:root {
            --brand: #1a1a2e;
            --accent: #c9a84c;
            --accent-light: #e0c878;
            --surface: #fafaf8;
            --muted: #6b7280;
            --border-light: #e5e5e0;
            --card-bg: #ffffff;
            --dark-bg: #12121f;
            --radius-xl: 1rem;
            --radius-2xl: 1.25rem;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.04), 0 4px 16px rgba(0, 0, 0, 0.05);
            --shadow-card-hover: 0 2px 6px rgba(0, 0, 0, 0.06), 0 8px 28px rgba(0, 0, 0, 0.09);
            --shadow-nav: 0 1px 0 rgba(0, 0, 0, 0.04), 0 4px 12px rgba(0, 0, 0, 0.03);
            --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: #1a1a2e;
            background-color: #fafaf8;
            min-height: 100vh;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-base);
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (min-width: 768px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-nav);
            transition: background var(--transition-base);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 1rem;
        }

        @media (min-width: 1024px) {
            .nav-container {
                height: 72px;
                gap: 1.5rem;
            }
        }

        .nav-left,
        .nav-right {
            display: none;
            align-items: center;
            gap: 0.25rem;
        }

        @media (min-width: 1024px) {
            .nav-left,
            .nav-right {
                display: flex;
                flex: 1;
                gap: 0.5rem;
            }
            .nav-left {
                justify-content: flex-end;
            }
            .nav-right {
                justify-content: flex-start;
            }
        }

        .nav-center {
            display: flex;
            align-items: center;
            flex-shrink: 0;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 1.25rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--brand);
            white-space: nowrap;
            transition: opacity var(--transition-base);
        }

        .nav-logo:hover {
            opacity: 0.8;
        }

        .nav-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--brand);
            color: #fff;
            border-radius: 0.6rem;
            font-size: 0.95rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        @media (min-width: 1024px) {
            .nav-logo {
                font-size: 1.35rem;
            }
            .nav-logo-icon {
                width: 38px;
                height: 38px;
                font-size: 1rem;
            }
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.85rem;
            font-size: 0.925rem;
            font-weight: 500;
            color: #4a4a55;
            border-radius: 0.5rem;
            transition: all var(--transition-base);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.01em;
        }

        .nav-link:hover {
            color: var(--brand);
            background: rgba(26, 26, 46, 0.04);
        }
        .nav-link.active {
            color: var(--accent);
            font-weight: 600;
            background: rgba(201, 168, 76, 0.06);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2.5px;
            background: var(--accent);
            border-radius: 2px;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 1.2rem;
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            background: var(--accent);
            border: none;
            border-radius: 0.5rem;
            white-space: nowrap;
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            cursor: pointer;
        }
        .nav-cta-btn:hover {
            background: #b8943a;
            box-shadow: 0 4px 14px rgba(201, 168, 76, 0.3);
            transform: translateY(-1px);
        }
        .nav-cta-btn:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .mobile-menu-toggle {
            display: flex;
            flex-direction: column;
            gap: 5px;
            padding: 0.5rem;
            background: none;
            border: none;
            cursor: pointer;
            z-index: 110;
        }
        .mobile-menu-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--brand);
            border-radius: 2px;
            transition: all var(--transition-base);
        }
        .mobile-menu-toggle.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .mobile-menu-toggle.open span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .mobile-menu-toggle.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (min-width: 1024px) {
            .mobile-menu-toggle {
                display: none;
            }
        }

        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            flex-direction: column;
            padding: 1.5rem;
            gap: 0.35rem;
            z-index: 99;
            overflow-y: auto;
            border-top: 1px solid var(--border-light);
        }
        .mobile-nav-panel.open {
            display: flex;
        }
        .mobile-nav-panel .nav-link {
            font-size: 1.05rem;
            padding: 0.8rem 1rem;
            border-radius: 0.6rem;
            width: 100%;
            justify-content: flex-start;
        }
        .mobile-nav-panel .nav-link.active {
            background: rgba(201, 168, 76, 0.08);
            color: var(--accent);
        }
        .mobile-nav-panel .nav-cta-btn {
            margin-top: 0.75rem;
            width: 100%;
            justify-content: center;
            text-align: center;
            padding: 0.85rem 1.5rem;
            font-size: 1rem;
            border-radius: 0.6rem;
        }

        @media (min-width: 1024px) {
            .mobile-nav-panel {
                display: none !important;
            }
        }

        .section-padding {
            padding-top: 3rem;
            padding-bottom: 3rem;
        }
        @media (min-width: 768px) {
            .section-padding {
                padding-top: 4.5rem;
                padding-bottom: 4.5rem;
            }
        }
        @media (min-width: 1024px) {
            .section-padding {
                padding-top: 5.5rem;
                padding-bottom: 5.5rem;
            }
        }

        .page-banner {
            position: relative;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            min-height: 280px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.82) 0%, rgba(18, 18, 31, 0.7) 100%);
            z-index: 1;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 3rem 0;
        }
        @media (min-width: 768px) {
            .page-banner {
                min-height: 340px;
            }
            .page-banner .banner-content {
                padding: 4rem 0;
            }
        }
        @media (min-width: 1024px) {
            .page-banner {
                min-height: 400px;
            }
            .page-banner .banner-content {
                padding: 5rem 0;
            }
        }

        .tag-pill {
            display: inline-flex;
            align-items: center;
            padding: 0.35rem 0.9rem;
            font-size: 0.8rem;
            font-weight: 500;
            border-radius: 999px;
            background: rgba(201, 168, 76, 0.08);
            color: #8b6914;
            transition: all var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .tag-pill:hover {
            background: rgba(201, 168, 76, 0.16);
            color: #6b4f10;
        }
        .tag-pill.active-tag {
            background: var(--accent);
            color: #fff;
            font-weight: 600;
        }
        .tag-pill.active-tag:hover {
            background: #b8943a;
            color: #fff;
        }

        .news-card {
            background: var(--card-bg);
            border-radius: var(--radius-2xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            height: 100%;
            border: 1px solid transparent;
        }
        .news-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: var(--border-light);
        }
        .news-card-img-wrap {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: #e8e8e0;
        }
        .news-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .news-card:hover .news-card-img-wrap img {
            transform: scale(1.05);
        }
        .news-card-body {
            padding: 1.25rem;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }
        @media (min-width: 768px) {
            .news-card-body {
                padding: 1.5rem;
            }
        }
        .news-card-meta {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            flex-wrap: wrap;
            font-size: 0.8rem;
            color: var(--muted);
        }
        .news-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            line-height: 1.45;
            color: var(--brand);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card-title:hover {
            color: var(--accent);
        }
        .news-card-desc {
            font-size: 0.875rem;
            color: #595963;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .news-card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--accent);
            margin-top: 0.25rem;
            transition: gap var(--transition-base);
        }
        .news-card-link:hover {
            gap: 0.5rem;
            color: #b8943a;
        }
        .news-card-link svg {
            width: 14px;
            height: 14px;
            flex-shrink: 0;
        }

        .stat-card {
            background: var(--card-bg);
            border-radius: var(--radius-xl);
            padding: 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -0.02em;
            line-height: 1.1;
        }
        @media (min-width: 768px) {
            .stat-number {
                font-size: 2.75rem;
            }
        }
        .stat-label {
            font-size: 0.875rem;
            color: var(--muted);
            margin-top: 0.35rem;
            letter-spacing: 0.02em;
        }

        .ranking-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            padding: 1rem 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .ranking-item:last-child {
            border-bottom: none;
        }
        .ranking-item:hover {
            background: rgba(201, 168, 76, 0.03);
            margin-left: 0.25rem;
            border-radius: 0.5rem;
            padding-left: 0.75rem;
            padding-right: 0.75rem;
            margin-right: -0.75rem;
        }
        .ranking-num {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent);
            min-width: 36px;
            text-align: center;
            line-height: 1.2;
            flex-shrink: 0;
        }
        .ranking-num.top3 {
            color: #d4a017;
            font-size: 1.7rem;
        }
        .ranking-info h5 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--brand);
            margin: 0 0 0.25rem;
            line-height: 1.4;
        }
        .ranking-info .ranking-meta {
            font-size: 0.78rem;
            color: var(--muted);
        }

        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-xl);
            margin-bottom: 0.75rem;
            overflow: hidden;
            background: var(--card-bg);
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: #d5d5cc;
            box-shadow: var(--shadow-card);
        }
        .faq-question {
            width: 100%;
            padding: 1.1rem 1.25rem;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--brand);
            background: none;
            border: none;
            text-align: left;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            letter-spacing: 0.01em;
            transition: color var(--transition-base);
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-arrow {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            transition: transform var(--transition-base);
            color: var(--muted);
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            padding: 0 1.25rem;
            font-size: 0.875rem;
            color: #595963;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 1.25rem 1.1rem;
        }

        .subscribe-box {
            background: linear-gradient(135deg, #1a1a2e 0%, #252540 100%);
            border-radius: var(--radius-2xl);
            padding: 2rem;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        @media (min-width: 768px) {
            .subscribe-box {
                padding: 3rem;
            }
        }
        .subscribe-box::after {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 160px;
            height: 160px;
            background: rgba(201, 168, 76, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }
        .subscribe-input {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            justify-content: center;
            position: relative;
            z-index: 1;
        }
        .subscribe-input input {
            flex: 1;
            min-width: 220px;
            padding: 0.85rem 1.2rem;
            border-radius: 0.6rem;
            border: 2px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            font-size: 0.925rem;
            outline: none;
            transition: all var(--transition-base);
        }
        .subscribe-input input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }
        .subscribe-input input:focus {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.1);
            box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.15);
        }
        .subscribe-btn {
            padding: 0.85rem 2rem;
            font-size: 0.925rem;
            font-weight: 600;
            color: #fff;
            background: var(--accent);
            border: none;
            border-radius: 0.6rem;
            cursor: pointer;
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .subscribe-btn:hover {
            background: #b8943a;
            box-shadow: 0 4px 18px rgba(201, 168, 76, 0.4);
            transform: translateY(-1px);
        }
        .subscribe-btn:active {
            transform: translateY(0);
        }

        .site-footer {
            background: var(--dark-bg);
            color: #c5c5d0;
            padding: 3rem 0 1.5rem;
            font-size: 0.875rem;
            line-height: 1.8;
        }
        @media (min-width: 768px) {
            .site-footer {
                padding: 4rem 0 2rem;
            }
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr 1fr;
                gap: 2.5rem;
            }
        }
        .footer-brand-name {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.6rem;
            letter-spacing: 0.02em;
        }
        .footer-desc {
            color: #9a9aa8;
            line-height: 1.7;
            margin: 0;
            font-size: 0.85rem;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin: 0 0 0.8rem;
            letter-spacing: 0.02em;
        }
        .footer-col a {
            display: block;
            color: #a8a8b8;
            padding: 0.2rem 0;
            transition: color var(--transition-base);
            font-size: 0.85rem;
        }
        .footer-col a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
            color: #7a7a8a;
            font-size: 0.8rem;
            letter-spacing: 0.02em;
        }
        @media (min-width: 768px) {
            .footer-bottom {
                margin-top: 3rem;
            }
        }

        @media (max-width: 1023px) {
            .page-banner {
                min-height: 240px;
            }
            .news-card-title {
                font-size: 0.95rem;
            }
            .ranking-num {
                font-size: 1.25rem;
                min-width: 30px;
            }
            .ranking-num.top3 {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 520px) {
            .page-banner {
                min-height: 200px;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.85rem;
            }
            .stat-number {
                font-size: 1.75rem;
            }
            .news-card-body {
                padding: 1rem;
            }
            .section-padding {
                padding-top: 2rem;
                padding-bottom: 2rem;
            }
            .subscribe-input input {
                min-width: 100%;
                width: 100%;
            }
            .subscribe-btn {
                width: 100%;
                text-align: center;
            }
            .tag-pill {
                font-size: 0.75rem;
                padding: 0.3rem 0.7rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1a1f3c;
            --primary-light: #252b4f;
            --accent: #c8a45c;
            --accent-light: #d4b76e;
            --accent-glow: #e8c97a;
            --energy: #e8533f;
            --energy-light: #f06b5a;
            --bg: #f7f8fa;
            --bg-card: #ffffff;
            --bg-dark: #0f1225;
            --text: #1a1a2e;
            --text-soft: #5a6070;
            --text-light: #8b8fa3;
            --border: #e2e5ee;
            --border-light: #eef0f5;
            --radius-sm: 8px;
            --radius: 14px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 18px rgba(0, 0, 0, 0.06), 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08), 0 3px 12px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 14px 48px rgba(0, 0, 0, 0.10), 0 6px 20px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 22px 64px rgba(0, 0, 0, 0.12), 0 10px 28px rgba(0, 0, 0, 0.07);
            --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            font-family: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 640px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-light);
            transition: box-shadow var(--transition), background var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
            background: rgba(255, 255, 255, 0.96);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
        }
        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
        }
        .nav-left {
            justify-content: flex-end;
            padding-right: 10px;
        }
        .nav-right {
            justify-content: flex-start;
            padding-left: 10px;
        }
        .nav-center {
            flex-shrink: 0;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .nav-logo:hover {
            color: var(--accent);
        }
        .nav-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 15px;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-soft);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-link:hover {
            color: var(--primary);
            background: rgba(26, 31, 60, 0.04);
        }
        .nav-link.active {
            color: var(--accent);
            font-weight: 600;
            background: rgba(200, 164, 92, 0.08);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 4px;
            background: var(--accent);
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            padding: 9px 20px;
            border-radius: 22px;
            font-size: 0.9rem;
            font-weight: 600;
            background: linear-gradient(135deg, var(--accent) 0%, #b8943f 100%);
            color: #fff;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 3px 12px rgba(200, 164, 92, 0.3);
            letter-spacing: 0.3px;
        }
        .nav-cta-btn:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 22px rgba(200, 164, 92, 0.42);
            background: linear-gradient(135deg, var(--accent-light) 0%, #c9a348 100%);
        }

        .mobile-menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: none;
            border: none;
            cursor: pointer;
            z-index: 1001;
        }
        .mobile-menu-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            border-radius: 3px;
            background: var(--primary);
            transition: all var(--transition-fast);
        }
        .mobile-menu-toggle.active span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        .mobile-menu-toggle.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .mobile-menu-toggle.active span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            flex-direction: column;
            padding: 24px 20px;
            gap: 6px;
            z-index: 999;
            overflow-y: auto;
        }
        .mobile-nav-panel.open {
            display: flex;
        }
        .mobile-nav-panel .nav-link {
            font-size: 1.08rem;
            padding: 14px 18px;
            border-radius: 10px;
            width: 100%;
            text-align: left;
            font-weight: 500;
        }
        .mobile-nav-panel .nav-link.active {
            background: rgba(200, 164, 92, 0.1);
            color: var(--accent);
            font-weight: 600;
        }
        .mobile-nav-panel .nav-cta-btn {
            margin-top: 10px;
            text-align: center;
            justify-content: center;
            padding: 14px 24px;
            font-size: 1rem;
            border-radius: 26px;
        }

        @media (max-width: 1024px) {
            .nav-left,
            .nav-right {
                display: none;
            }
            .nav-container {
                justify-content: space-between;
                height: 62px;
            }
            .nav-center {
                position: absolute;
                left: 50%;
                transform: translateX(-50%);
            }
            .mobile-menu-toggle {
                display: flex;
                margin-left: auto;
            }
            .site-header {
                background: rgba(255, 255, 255, 0.95);
            }
        }
        @media (max-width: 520px) {
            .nav-logo {
                font-size: 1.15rem;
            }
            .nav-logo-icon {
                width: 32px;
                height: 32px;
                border-radius: 8px;
                font-size: 0.95rem;
            }
            .nav-container {
                height: 56px;
            }
            .mobile-nav-panel {
                top: 56px;
            }
        }

        /* ============ PAGE BANNER ============ */
        .page-banner {
            position: relative;
            min-height: 52vh;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            margin-top: 68px;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    rgba(15, 18, 37, 0.72) 0%,
                    rgba(15, 18, 37, 0.58) 50%,
                    rgba(15, 18, 37, 0.78) 100%);
            z-index: 1;
        }
        .page-banner-content {
            position: relative;
            z-index: 2;
            padding: 60px 0;
            width: 100%;
        }
        @media (max-width: 1024px) {
            .page-banner {
                margin-top: 62px;
                min-height: 44vh;
            }
        }
        @media (max-width: 520px) {
            .page-banner {
                margin-top: 56px;
                min-height: 40vh;
            }
            .page-banner-content {
                padding: 40px 0;
            }
        }

        /* ============ SECTION TITLES ============ */
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            background: rgba(200, 164, 92, 0.1);
            color: var(--accent);
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 2.1rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.3px;
            margin-bottom: 10px;
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 1.08rem;
            color: var(--text-soft);
            line-height: 1.65;
            max-width: 640px;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
        }

        /* ============ CARDS ============ */
        .card-event {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .card-event:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .card-event-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #eef0f5;
        }
        .card-event-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .card-event:hover .card-event-img-wrap img {
            transform: scale(1.06);
        }
        .card-event-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 5px 13px;
            border-radius: 16px;
            font-size: 0.78rem;
            font-weight: 600;
            background: var(--energy);
            color: #fff;
            letter-spacing: 0.4px;
            z-index: 2;
        }
        .card-event-tag.hot {
            background: var(--energy);
        }
        .card-event-tag.upcoming {
            background: #3b82f6;
        }
        .card-event-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-event-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card-event-desc {
            font-size: 0.9rem;
            color: var(--text-soft);
            line-height: 1.55;
            flex: 1;
            margin-bottom: 14px;
        }
        .card-event-meta {
            display: flex;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-light);
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }
        .card-event-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        /* ============ STAT CARDS ============ */
        .stat-card {
            text-align: center;
            padding: 28px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -0.5px;
            line-height: 1.1;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-soft);
            font-weight: 500;
        }

        /* ============ TIMELINE ============ */
        .timeline-item {
            display: flex;
            gap: 20px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition-fast);
        }
        .timeline-item:last-child {
            border-bottom: none;
        }
        .timeline-date {
            flex-shrink: 0;
            width: 90px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.85rem;
            text-align: center;
            line-height: 1.3;
        }
        .timeline-date.upcoming {
            background: var(--energy);
        }
        .timeline-info h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .timeline-info p {
            font-size: 0.88rem;
            color: var(--text-soft);
            line-height: 1.5;
        }
        @media (max-width: 520px) {
            .timeline-item {
                flex-direction: column;
                gap: 10px;
            }
            .timeline-date {
                width: 70px;
                height: 44px;
                font-size: 0.78rem;
            }
        }

        /* ============ FAQ ============ */
        .faq-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .faq-card:hover {
            box-shadow: var(--shadow);
        }
        .faq-q {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1.02rem;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            user-select: none;
            transition: background var(--transition-fast);
        }
        .faq-q:hover {
            background: rgba(26, 31, 60, 0.02);
        }
        .faq-q i {
            transition: transform var(--transition-fast);
            color: var(--accent);
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .faq-card.open .faq-q i {
            transform: rotate(180deg);
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s;
            padding: 0 22px;
            font-size: 0.92rem;
            color: var(--text-soft);
            line-height: 1.7;
        }
        .faq-card.open .faq-a {
            max-height: 300px;
            padding: 0 22px 20px;
        }

        /* ============ CTA SECTION ============ */
        .cta-section-alt {
            background: linear-gradient(160deg, var(--primary) 0%, #121832 60%, #0d1128 100%);
            border-radius: var(--radius-xl);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section-alt::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(200, 164, 92, 0.08);
            pointer-events: none;
        }
        .cta-section-alt::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(200, 164, 92, 0.05);
            pointer-events: none;
        }
        .cta-section-alt h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            position: relative;
            z-index: 2;
            margin-bottom: 10px;
        }
        .cta-section-alt p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.72);
            position: relative;
            z-index: 2;
            margin-bottom: 28px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-gold {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.4px;
            background: linear-gradient(135deg, var(--accent) 0%, #b8943f 100%);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            box-shadow: 0 6px 24px rgba(200, 164, 92, 0.35);
            position: relative;
            z-index: 2;
            text-decoration: none;
        }
        .btn-gold:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 32px rgba(200, 164, 92, 0.5);
            background: linear-gradient(135deg, var(--accent-light) 0%, #c9a348 100%);
        }
        .btn-outline-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.3px;
            border: 2px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            cursor: pointer;
            transition: all var(--transition);
            position: relative;
            z-index: 2;
            text-decoration: none;
            background: transparent;
        }
        .btn-outline-white:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.06);
            transform: translateY(-2px);
        }
        @media (max-width: 640px) {
            .cta-section-alt {
                padding: 40px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section-alt h2 {
                font-size: 1.5rem;
            }
            .cta-section-alt p {
                font-size: 0.92rem;
            }
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 50px 0 24px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer-brand-name {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }
        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.65;
            color: rgba(255, 255, 255, 0.55);
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.58);
            padding: 5px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--accent-glow);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-desc {
                max-width: 100%;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ============ REVIEW CARDS ============ */
        .review-card {
            display: flex;
            gap: 20px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 20px 22px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            align-items: flex-start;
        }
        .review-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .review-img {
            width: 100px;
            height: 70px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: #eef0f5;
        }
        .review-info h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .review-info p {
            font-size: 0.85rem;
            color: var(--text-soft);
            line-height: 1.5;
        }
        @media (max-width: 520px) {
            .review-card {
                flex-direction: column;
                gap: 14px;
            }
            .review-img {
                width: 100%;
                height: 140px;
            }
        }
        .section-divider {
            height: 1px;
            background: var(--border-light);
            margin: 0;
        }