/* roulang page: index */
:root {
            --color-primary: #b07414;
            --color-primary-dark: #734316;
            --color-primary-light: #f8cf5f;
            --color-accent: #2d4f73;
            --color-accent-light: #d9e2ec;
            --color-warm: #cf804d;
            --color-bg: #fdfaf6;
            --color-bg-alt: #f9f5ed;
            --color-surface: #ffffff;
            --color-text: #1a1510;
            --color-text-soft: #5c4a32;
            --color-text-muted: #8c7a60;
            --color-border: #e5d9c4;
            --color-border-light: #f0e8d5;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-sm: 0 1px 3px rgba(92, 55, 24, 0.06);
            --shadow-md: 0 4px 16px rgba(92, 55, 24, 0.1);
            --shadow-lg: 0 8px 32px rgba(92, 55, 24, 0.14);
            --shadow-xl: 0 16px 48px rgba(92, 55, 24, 0.18);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --max-width: 1200px;
            --header-height: 64px;
            --topbar-height: 36px;
        }

        *,
        *::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: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

        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;
            border: none;
            outline: none;
        }
        input {
            font-family: inherit;
        }
        :focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
            border-radius: 3px;
        }

        /* Top Bar */
        .topbar {
            background: #1a1510;
            color: #d4c8b0;
            font-size: 0.8rem;
            height: var(--topbar-height);
            display: flex;
            align-items: center;
            z-index: 1001;
            position: relative;
        }
        .topbar a {
            color: #d4c8b0;
            transition: color var(--transition-fast);
        }
        .topbar a:hover {
            color: #f8cf5f;
        }
        .topbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
            gap: 1rem;
        }
        .topbar-links {
            display: flex;
            align-items: center;
            gap: 1.25rem;
            flex-wrap: wrap;
        }
        .topbar-links a {
            white-space: nowrap;
            font-size: 0.78rem;
            letter-spacing: 0.02em;
        }
        .topbar-links .topbar-icon {
            margin-right: 3px;
            font-size: 0.7rem;
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
            gap: 1.5rem;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--color-primary-dark);
            letter-spacing: 0.03em;
            white-space: nowrap;
            font-family: 'Noto Serif SC', 'STSong', serif;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, #b07414, #734316);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.9rem;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .nav-links a:hover {
            color: var(--color-primary);
            background: #fdf0c1;
        }
        .nav-links a.active {
            color: var(--color-primary-dark);
            background: #fef9e7;
            font-weight: 600;
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.5rem 1.2rem;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 0.9rem;
            background: linear-gradient(135deg, #b07414, #8c5512);
            color: #fff !important;
            transition: all var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.02em;
            box-shadow: 0 2px 8px rgba(176, 116, 20, 0.3);
        }
        .nav-cta-btn:hover {
            background: linear-gradient(135deg, #c4841e, #9c6018);
            box-shadow: 0 4px 16px rgba(176, 116, 20, 0.45);
            transform: translateY(-1px);
            color: #fff !important;
        }

        /* Mobile nav toggle */
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 0.4rem;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-toggle:hover {
            background: #f5f0e8;
        }
        .mobile-nav {
            display: none;
            position: fixed;
            top: calc(var(--topbar-height) + var(--header-height));
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 999;
            flex-direction: column;
            padding: 1rem 1.5rem;
            gap: 0.4rem;
            overflow-y: auto;
            border-top: 1px solid var(--color-border-light);
        }
        .mobile-nav.open {
            display: flex;
        }
        .mobile-nav a {
            display: block;
            padding: 0.85rem 1rem;
            border-radius: var(--radius-md);
            font-weight: 500;
            font-size: 1.05rem;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
        }
        .mobile-nav a:hover,
        .mobile-nav a.active {
            background: #fef9e7;
            color: var(--color-primary-dark);
        }
        .mobile-nav .nav-cta-btn {
            display: block;
            text-align: center;
            margin-top: 0.5rem;
            border-radius: 2rem;
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            background: linear-gradient(170deg, #1a1510 0%, #2d2318 30%, #3f2f1e 60%, #1a1510 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 center, transparent 30%, rgba(26, 21, 16, 0.75) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 4rem 1.5rem;
            width: 100%;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 1.5rem;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(248, 207, 95, 0.15);
            border: 1px solid rgba(248, 207, 95, 0.35);
            border-radius: 2rem;
            padding: 0.4rem 1.2rem;
            font-size: 0.85rem;
            color: #f8cf5f;
            letter-spacing: 0.06em;
            font-weight: 500;
        }
        .hero-title {
            font-family: 'Noto Serif SC', 'STSong', serif;
            font-size: 3.2rem;
            font-weight: 900;
            color: #ffffff;
            line-height: 1.2;
            max-width: 700px;
            letter-spacing: 0.04em;
        }
        .hero-title span {
            color: #f8cf5f;
        }
        .hero-desc {
            font-size: 1.15rem;
            color: #d4c8b0;
            max-width: 580px;
            line-height: 1.8;
        }
        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 2rem;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 1rem;
            background: linear-gradient(135deg, #d4941a, #b07414);
            color: #fff;
            transition: all var(--transition-base);
            box-shadow: 0 4px 20px rgba(212, 148, 26, 0.4);
            letter-spacing: 0.03em;
        }
        .btn-hero-primary:hover {
            background: linear-gradient(135deg, #e0a428, #c4841e);
            box-shadow: 0 6px 28px rgba(212, 148, 26, 0.55);
            transform: translateY(-2px);
        }
        .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 2rem;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 1rem;
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            transition: all var(--transition-base);
            letter-spacing: 0.03em;
        }
        .btn-hero-outline:hover {
            border-color: #f8cf5f;
            color: #f8cf5f;
            background: rgba(248, 207, 95, 0.08);
        }
        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            margin-top: 0.5rem;
        }
        .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 0.2rem;
        }
        .hero-stat-num {
            font-size: 1.8rem;
            font-weight: 700;
            color: #f8cf5f;
            letter-spacing: 0.02em;
        }
        .hero-stat-label {
            font-size: 0.8rem;
            color: #b0a080;
            letter-spacing: 0.04em;
        }

        /* Section shared */
        .section {
            padding: 4.5rem 1.5rem;
        }
        .section-alt {
            background: var(--color-bg-alt);
        }
        .section-dark {
            background: #1a1510;
            color: #e5d9c4;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--color-primary);
            text-transform: uppercase;
            margin-bottom: 0.5rem;
        }
        .section-title {
            font-family: 'Noto Serif SC', 'STSong', serif;
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 0.75rem;
            letter-spacing: 0.03em;
            line-height: 1.25;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            max-width: 600px;
            margin: 0 0 2rem;
            line-height: 1.7;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-dark .section-subtitle {
            color: #b0a080;
        }

        /* Card grid */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
        }
        .card-grid-3 {
            grid-template-columns: repeat(3, 1fr);
        }
        .card-grid-4 {
            grid-template-columns: repeat(4, 1fr);
        }

        /* Card */
        .card {
            background: #fff;
            border-radius: var(--radius-xl);
            border: 1px solid var(--color-border-light);
            padding: 1.75rem;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            position: relative;
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }
        .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            flex-shrink: 0;
        }
        .card-icon-gold {
            background: linear-gradient(135deg, #fef9e7, #fdf0c1);
            color: #8c5512;
        }
        .card-icon-blue {
            background: linear-gradient(135deg, #f0f4f8, #d9e2ec);
            color: #2d4f73;
        }
        .card-icon-warm {
            background: linear-gradient(135deg, #fdf8f5, #f3d9c8);
            color: #965230;
        }
        .card-title {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--color-text);
            margin: 0;
            letter-spacing: 0.02em;
        }
        .card-desc {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin: 0;
            flex-grow: 1;
        }
        .card-link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            transition: gap var(--transition-fast);
        }
        .card-link:hover {
            gap: 0.6rem;
            color: var(--color-primary-dark);
        }
        .card-image-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #f5f0e8;
        }
        .card-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card:hover .card-image-wrap img {
            transform: scale(1.05);
        }

        /* Stat cards */
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }
        .stat-card {
            background: #fff;
            border-radius: var(--radius-xl);
            border: 1px solid var(--color-border-light);
            padding: 2rem 1.5rem;
            text-align: center;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.5rem;
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 2.4rem;
            font-weight: 900;
            color: var(--color-primary-dark);
            letter-spacing: 0.02em;
            font-family: 'Noto Serif SC', 'STSong', serif;
        }
        .stat-unit {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            letter-spacing: 0.03em;
        }

        /* Brand story */
        .story-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        .story-image {
            border-radius: var(--radius-2xl);
            overflow: hidden;
            aspect-ratio: 4 / 3;
            box-shadow: var(--shadow-xl);
        }
        .story-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .story-text h3 {
            font-family: 'Noto Serif SC', 'STSong', serif;
            font-size: 1.8rem;
            font-weight: 700;
            margin: 0 0 1rem;
            letter-spacing: 0.03em;
            color: var(--color-text);
        }
        .story-text p {
            color: var(--color-text-soft);
            line-height: 1.9;
            font-size: 0.98rem;
            margin: 0 0 0.8rem;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--color-border);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 1.25rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            cursor: pointer;
            text-align: left;
            gap: 1rem;
            letter-spacing: 0.02em;
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition-base);
            color: var(--color-primary);
            font-size: 0.85rem;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 1.5rem;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 1.5rem 1.25rem;
        }
        .faq-answer p {
            margin: 0;
            color: var(--color-text-soft);
            line-height: 1.8;
            font-size: 0.92rem;
        }

        /* News */
        .news-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 1.25rem;
        }
        .news-card {
            background: #fff;
            border-radius: var(--radius-xl);
            border: 1px solid var(--color-border-light);
            padding: 1.5rem;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }
        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--color-border);
        }
        .news-date {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            letter-spacing: 0.04em;
        }
        .news-title {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-text);
            line-height: 1.4;
            margin: 0;
        }
        .news-excerpt {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            margin: 0;
            flex-grow: 1;
        }
        .news-readmore {
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            transition: gap var(--transition-fast);
            align-self: flex-start;
        }
        .news-readmore:hover {
            gap: 0.55rem;
            color: var(--color-primary-dark);
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-xl);
            border: 1px solid var(--color-border-light);
            padding: 1.75rem;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
        }
        .testimonial-stars {
            color: #f5bc33;
            font-size: 0.95rem;
            letter-spacing: 0.15em;
        }
        .testimonial-text {
            font-size: 0.92rem;
            color: var(--color-text-soft);
            line-height: 1.8;
            font-style: italic;
            flex-grow: 1;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 0.7rem;
        }
        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: #e5d9c4;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: #5c4a32;
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .testimonial-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-text);
        }
        .testimonial-role {
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        /* Partner strip */
        .partner-strip {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 2.5rem;
            padding: 2rem 1rem;
        }
        .partner-item {
            font-size: 1.1rem;
            font-weight: 600;
            color: #8c7a60;
            letter-spacing: 0.06em;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .partner-item:hover {
            color: var(--color-primary);
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(160deg, #2d2318, #1a1510);
            text-align: center;
            padding: 4rem 1.5rem;
            border-radius: 0;
        }
        .cta-section .section-title {
            color: #fff;
        }
        .cta-section .section-subtitle {
            color: #b0a080;
            margin-left: auto;
            margin-right: auto;
        }

        /* Footer */
        .site-footer {
            background: #1a1510;
            color: #b0a080;
            padding: 3rem 1.5rem 2rem;
            border-top: 1px solid #2d2318;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 2rem;
            max-width: var(--max-width);
            margin: 0 auto 2rem;
        }
        .footer-brand {
            font-family: 'Noto Serif SC', 'STSong', serif;
            font-size: 1.3rem;
            font-weight: 700;
            color: #e5d9c4;
            margin-bottom: 0.75rem;
            letter-spacing: 0.03em;
        }
        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.8;
            margin: 0;
        }
        .footer-col h4 {
            font-weight: 600;
            font-size: 0.9rem;
            color: #e5d9c4;
            margin: 0 0 0.8rem;
            letter-spacing: 0.05em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.45rem;
        }
        .footer-col ul a {
            font-size: 0.85rem;
            color: #8c7a60;
            transition: color var(--transition-fast);
        }
        .footer-col ul a:hover {
            color: #f8cf5f;
        }
        .footer-bottom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-top: 1.5rem;
            border-top: 1px solid #2d2318;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            font-size: 0.8rem;
            color: #6b5d4a;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .story-block {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-title {
                font-size: 2.4rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .card-grid-3,
            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .topbar {
                display: none;
            }
            .nav-links {
                display: none;
            }
            .nav-cta-btn.desktop-only {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .hero-section {
                min-height: 440px;
            }
            .hero-stats-row {
                gap: 1.25rem;
            }
            .hero-stat-num {
                font-size: 1.4rem;
            }
            .section {
                padding: 3rem 1rem;
            }
            .section-title {
                font-size: 1.55rem;
            }
            .card-grid,
            .card-grid-3,
            .card-grid-4 {
                grid-template-columns: 1fr;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 0.75rem;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .news-list {
                grid-template-columns: 1fr;
            }
            .story-block {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .partner-strip {
                gap: 1.5rem;
            }
            .hero-content {
                padding: 2.5rem 1rem;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                padding: 0.65rem 1.5rem;
                font-size: 0.9rem;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.55rem;
            }
            .hero-stats-row {
                gap: 1rem;
            }
            .hero-stat-num {
                font-size: 1.2rem;
            }
            .hero-stat-label {
                font-size: 0.7rem;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.6rem;
            }
            .stat-card {
                padding: 1.25rem 0.8rem;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .partner-strip {
                gap: 1rem;
            }
            .partner-item {
                font-size: 0.85rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #c9a050;
            --color-primary-deep: #a07830;
            --color-primary-bright: #f8cf5f;
            --color-warm-bg: #faf8f5;
            --color-warm-border: #e8dfd2;
            --color-warm-text: #6b5e4f;
            --color-dark: #1a1a1a;
            --color-dark-secondary: #4a3f35;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --shadow-card: 0 2px 16px rgba(90, 62, 43, 0.07);
            --shadow-card-hover: 0 8px 32px rgba(90, 62, 43, 0.13);
            --shadow-nav: 0 1px 8px rgba(0, 0, 0, 0.05);
            --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s 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 {
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            line-height: 1.7;
            color: #1a1a1a;
            background-color: #faf8f5;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #ffffff;
            border-bottom: 1px solid #e8dfd2;
            box-shadow: var(--shadow-nav);
            transition: box-shadow var(--transition-smooth);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }
        .header-inner {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 1.5rem;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.35rem;
            font-weight: 700;
            color: #4a3f35;
            letter-spacing: 0.03em;
            white-space: nowrap;
            transition: opacity var(--transition-base);
            flex-shrink: 0;
        }
        .logo:hover {
            opacity: 0.8;
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, #c9a050 0%, #a07830 100%);
            border-radius: 0.65rem;
            color: #fff;
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        .nav-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            gap: 0.25rem;
            align-items: center;
        }
        .nav-links li a {
            display: inline-flex;
            align-items: center;
            padding: 0.45rem 0.9rem;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 500;
            color: #4a3f35;
            transition: all var(--transition-base);
            white-space: nowrap;
            position: relative;
        }
        .nav-links li a:hover {
            color: #a07030;
            background: #fdf8ed;
        }
        .nav-links li a.active {
            color: #a07030;
            font-weight: 600;
            background: #fdf3d0;
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.55rem 1.3rem;
            background: linear-gradient(135deg, #c9a050 0%, #a07830 100%);
            color: #fff;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-card);
            flex-shrink: 0;
            border: none;
        }
        .nav-cta-btn:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(160, 120, 48, 0.35);
            color: #fff;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: #4a3f35;
            padding: 0.35rem;
            border-radius: var(--radius-sm);
            transition: background var(--transition-base);
        }
        .mobile-toggle:hover {
            background: #f3efe8;
        }
        @media (max-width: 1024px) {
            .desktop-only {
                display: none !important;
            }
            .mobile-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 1rem 1.5rem;
                gap: 0.3rem;
                border-bottom: 2px solid #e8dfd2;
                box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                width: 100%;
                padding: 0.7rem 1rem;
                font-size: 1rem;
                border-radius: var(--radius-md);
            }
            .header-inner {
                height: 60px;
                padding: 0 1rem;
            }
        }
        @media (max-width: 520px) {
            .logo span {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
                border-radius: 0.5rem;
            }
            .header-inner {
                height: 56px;
                padding: 0 0.85rem;
                gap: 0.75rem;
            }
            .nav-links {
                top: 56px;
                padding: 0.75rem 1rem;
            }
        }

        .site-footer {
            background: #2d2620;
            color: #d6c8b5;
            padding: 3rem 1.5rem 1.5rem;
            margin-top: 4rem;
            border-top: 4px solid #c9a050;
        }
        .footer-grid {
            max-width: 1280px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 2.5rem;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #f8cf5f;
            margin-bottom: 0.75rem;
            letter-spacing: 0.03em;
        }
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: #b8a58c;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #e8dfd2;
            margin-bottom: 0.8rem;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.45rem;
        }
        .footer-col ul li a {
            color: #b8a58c;
            font-size: 0.9rem;
            transition: color var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: #f8cf5f;
        }
        .footer-col ul li span {
            font-size: 0.88rem;
        }
        .footer-bottom {
            max-width: 1280px;
            margin: 2rem auto 0;
            padding-top: 1.25rem;
            border-top: 1px solid #4a3f35;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 0.6rem;
            font-size: 0.82rem;
            color: #8c7a60;
        }
        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 0.4rem;
            }
            .site-footer {
                padding: 2rem 1rem 1.2rem;
                margin-top: 2.5rem;
            }
        }

        .section-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .section-spacing {
            padding: 3.5rem 0;
        }
        @media (max-width: 768px) {
            .section-spacing {
                padding: 2.5rem 0;
            }
        }
        @media (max-width: 520px) {
            .section-spacing {
                padding: 1.8rem 0;
            }
            .section-container {
                padding: 0 1rem;
            }
        }

        .card-game {
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            border: 1px solid #e8dfd2;
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .card-game:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: #d6c8b5;
        }
        .card-game-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #f3efe8;
        }
        .card-game-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .card-game:hover .card-game-img-wrap img {
            transform: scale(1.06);
        }
        .card-game-badge {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            background: #c9a050;
            color: #fff;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 0.25rem 0.7rem;
            border-radius: 2rem;
            letter-spacing: 0.03em;
            z-index: 2;
        }
        .card-game-body {
            padding: 1.25rem 1.2rem 1.4rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-game-body h3 {
            margin: 0 0 0.4rem;
            font-size: 1.15rem;
            font-weight: 700;
            color: #2d2620;
        }
        .card-game-body p {
            margin: 0;
            font-size: 0.9rem;
            color: #6b5e4f;
            line-height: 1.6;
            flex: 1;
        }
        .card-game-meta {
            display: flex;
            gap: 0.8rem;
            margin-top: 1rem;
            font-size: 0.8rem;
            color: #8c7a60;
            align-items: center;
        }
        .card-game-meta span {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .btn-outline-gold {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.5rem 1.2rem;
            border: 2px solid #c9a050;
            color: #a07030;
            background: transparent;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-outline-gold:hover {
            background: #c9a050;
            color: #fff;
            border-color: #c9a050;
            box-shadow: 0 4px 14px rgba(160, 120, 48, 0.3);
        }
        .btn-solid-gold {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.6rem 1.5rem;
            background: linear-gradient(135deg, #c9a050 0%, #a07830 100%);
            color: #fff;
            border: none;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
            box-shadow: 0 3px 12px rgba(160, 120, 48, 0.28);
        }
        .btn-solid-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(160, 120, 48, 0.4);
            color: #fff;
        }
        .btn-solid-gold-lg {
            padding: 0.75rem 2rem;
            font-size: 1.05rem;
            letter-spacing: 0.03em;
        }

        .stat-card {
            text-align: center;
            padding: 1.5rem 1rem;
            background: #fff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            border: 1px solid #e8dfd2;
            transition: all var(--transition-smooth);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 2.4rem;
            font-weight: 900;
            color: #c9a050;
            letter-spacing: -0.02em;
            line-height: 1.1;
        }
        .stat-label {
            font-size: 0.9rem;
            color: #6b5e4f;
            margin-top: 0.35rem;
            font-weight: 500;
        }
        @media (max-width: 520px) {
            .stat-number {
                font-size: 1.8rem;
            }
            .stat-label {
                font-size: 0.8rem;
            }
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.25rem 1.4rem;
            border: 1px solid #e8dfd2;
            transition: all var(--transition-base);
            cursor: pointer;
            margin-bottom: 0.6rem;
        }
        .faq-item:hover {
            border-color: #c9a050;
            box-shadow: 0 2px 10px rgba(160, 120, 48, 0.08);
        }
        .faq-item summary {
            font-weight: 600;
            font-size: 1rem;
            color: #2d2620;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.8rem;
            color: #c9a050;
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            margin-top: 0.75rem;
            font-size: 0.9rem;
            color: #6b5e4f;
            line-height: 1.7;
            padding-top: 0.75rem;
            border-top: 1px solid #f3efe8;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.88rem;
            color: #8c7a60;
            flex-wrap: wrap;
            padding: 0.8rem 0;
        }
        .breadcrumb a {
            color: #6b5e4f;
            transition: color var(--transition-base);
        }
        .breadcrumb a:hover {
            color: #c9a050;
        }
        .breadcrumb .sep {
            color: #b8a58c;
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: #c9a050;
            font-weight: 600;
        }

        .highlight-box {
            background: linear-gradient(135deg, #fdf8ed 0%, #fdf3d0 100%);
            border: 1px solid #f3d995;
            border-radius: var(--radius-xl);
            padding: 1.5rem 1.8rem;
            position: relative;
            overflow: hidden;
        }
        .highlight-box::before {
            content: '';
            position: absolute;
            top: -30px;
            right: -30px;
            width: 80px;
            height: 80px;
            background: #c9a050;
            opacity: 0.08;
            border-radius: 50%;
            pointer-events: none;
        }

/* roulang page: category4 */
:root {
            --color-brand-400: #e0b040;
            --color-brand-500: #c99a2e;
            --color-brand-600: #a67c24;
            --color-brand-700: #7d5e1c;
            --color-accent-light: #f8cf5f;
            --color-accent: #d4a843;
            --color-accent-deep: #8c6a2e;
            --color-surface-light: #fafaf8;
            --color-surface: #f5f2eb;
            --color-surface-dark: #e8e2d4;
            --color-surface-card: #ffffff;
            --color-ink: #1e1b14;
            --color-ink-soft: #4a4437;
            --color-ink-muted: #7a7262;
            --color-ink-faint: #b0a896;
            --radius-card: 1rem;
            --radius-btn: 0.6rem;
            --radius-tag: 2rem;
            --shadow-card: 0 2px 16px rgba(60, 44, 14, 0.06), 0 1px 3px rgba(60, 44, 14, 0.04);
            --shadow-card-hover: 0 8px 32px rgba(60, 44, 14, 0.10), 0 2px 8px rgba(60, 44, 14, 0.05);
            --shadow-btn: 0 2px 8px rgba(180, 130, 50, 0.25);
            --shadow-btn-hover: 0 4px 18px rgba(180, 130, 50, 0.38);
            --shadow-nav: 0 1px 6px rgba(30, 27, 20, 0.06);
            --transition-base: 0.22s 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;
            padding: 0;
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: #1e1b14;
            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,
        select,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #ffffff;
            box-shadow: var(--shadow-nav);
            border-bottom: 1px solid #e8e2d4;
        }

        .header-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 1.5rem;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.25rem;
            color: #3d2c0e;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: opacity var(--transition-base);
            flex-shrink: 0;
        }
        .logo:hover {
            opacity: 0.82;
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, #e0b040 0%, #c99a2e 100%);
            border-radius: 10px;
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-links {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 0.25rem;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }
        .nav-links li a {
            display: inline-block;
            padding: 0.5rem 0.85rem;
            border-radius: 0.5rem;
            font-size: 0.92rem;
            font-weight: 500;
            color: #4a4437;
            white-space: nowrap;
            transition: all var(--transition-base);
        }
        .nav-links li a:hover {
            background: #f5f2eb;
            color: #7d5e1c;
        }
        .nav-links li a.active,
        .nav-links li a[aria-current="page"] {
            background: #fdf8ed;
            color: #a67c24;
            font-weight: 600;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.55rem 1.2rem;
            background: linear-gradient(135deg, #e0b040 0%, #c99a2e 100%);
            color: #fff;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            box-shadow: var(--shadow-btn);
            transition: all var(--transition-base);
            flex-shrink: 0;
            border: none;
        }
        .nav-cta-btn:hover {
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-1px);
            color: #fff;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: #4a4437;
            padding: 0.4rem;
            border-radius: 0.5rem;
            transition: background var(--transition-base);
        }
        .mobile-toggle:hover {
            background: #f5f2eb;
        }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            background: linear-gradient(135deg, #3d2c0e 0%, #5c4315 40%, #3d2c0e 100%);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            padding: 4rem 0;
            text-align: center;
            color: #fff;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(30, 27, 20, 0.65);
            z-index: 1;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
        }
        .page-banner .banner-badge {
            display: inline-block;
            background: rgba(248, 207, 95, 0.18);
            border: 1px solid rgba(248, 207, 95, 0.35);
            color: #f8cf5f;
            padding: 0.35rem 1rem;
            border-radius: var(--radius-tag);
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            margin-bottom: 1rem;
        }
        .page-banner h1 {
            font-family: 'Noto Serif SC', 'STSong', serif;
            font-size: 2.6rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            margin: 0 0 0.75rem;
            color: #fff;
            line-height: 1.3;
        }
        .page-banner .banner-sub {
            font-size: 1.05rem;
            color: #e8e2d4;
            max-width: 620px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* ===== Section ===== */
        .section {
            padding: 3.5rem 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 2.5rem;
        }
        .section-header .section-tag {
            display: inline-block;
            background: #fdf8ed;
            color: #a67c24;
            padding: 0.3rem 0.9rem;
            border-radius: var(--radius-tag);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            margin-bottom: 0.75rem;
        }
        .section-header h2 {
            font-family: 'Noto Serif SC', 'STSong', serif;
            font-size: 1.9rem;
            font-weight: 700;
            color: #1e1b14;
            margin: 0 0 0.5rem;
            letter-spacing: 0.02em;
        }
        .section-header .section-desc {
            color: #7a7262;
            font-size: 0.95rem;
            max-width: 560px;
            margin: 0 auto;
        }

        /* ===== Card Styles ===== */
        .card {
            background: #ffffff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
            border: 1px solid #efebe0;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }
        .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .card-badge-top {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            background: #e0b040;
            color: #fff;
            padding: 0.25rem 0.7rem;
            border-radius: 0.4rem;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            z-index: 2;
        }
        .card-badge-hot {
            position: absolute;
            top: 0.75rem;
            right: 0.75rem;
            background: #e04b40;
            color: #fff;
            padding: 0.25rem 0.7rem;
            border-radius: 0.4rem;
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            z-index: 2;
            animation: pulse-badge 2s infinite;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.72;
            }
        }
        .card-body {
            padding: 1.25rem 1.2rem 1.4rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-body .card-date {
            font-size: 0.78rem;
            color: #b0a896;
            margin-bottom: 0.4rem;
            display: flex;
            align-items: center;
            gap: 0.35rem;
        }
        .card-body h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #1e1b14;
            margin: 0 0 0.5rem;
            line-height: 1.4;
        }
        .card-body p {
            font-size: 0.88rem;
            color: #7a7262;
            margin: 0 0 1rem;
            line-height: 1.6;
            flex: 1;
        }
        .card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-weight: 600;
            font-size: 0.88rem;
            color: #a67c24;
            transition: gap var(--transition-base);
            margin-top: auto;
        }
        .card-body .card-link:hover {
            gap: 0.6rem;
            color: #7d5e1c;
        }

        /* ===== Featured Activity ===== */
        .featured-activity {
            background: #ffffff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            border: 1px solid #efebe0;
            display: grid;
            grid-template-columns: 1fr 1.1fr;
        }
        .featured-activity .fa-img {
            aspect-ratio: 4 / 3;
            overflow: hidden;
        }
        .featured-activity .fa-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .featured-activity .fa-body {
            padding: 2rem 2rem 2rem 1.8rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-activity .fa-badge {
            display: inline-block;
            background: #fdf8ed;
            color: #a67c24;
            padding: 0.3rem 0.85rem;
            border-radius: var(--radius-tag);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 0.8rem;
            align-self: flex-start;
        }
        .featured-activity h3 {
            font-family: 'Noto Serif SC', 'STSong', serif;
            font-size: 1.5rem;
            font-weight: 700;
            color: #1e1b14;
            margin: 0 0 0.6rem;
            line-height: 1.35;
        }
        .featured-activity p {
            color: #7a7262;
            font-size: 0.93rem;
            line-height: 1.7;
            margin: 0 0 1.2rem;
        }
        .featured-activity .fa-meta {
            display: flex;
            gap: 1.5rem;
            flex-wrap: wrap;
            margin-bottom: 1.2rem;
        }
        .featured-activity .fa-meta span {
            font-size: 0.82rem;
            color: #b0a896;
            display: flex;
            align-items: center;
            gap: 0.35rem;
        }
        .featured-activity .fa-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.65rem 1.5rem;
            background: linear-gradient(135deg, #e0b040 0%, #c99a2e 100%);
            color: #fff;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: var(--shadow-btn);
            transition: all var(--transition-base);
            align-self: flex-start;
            border: none;
        }
        .featured-activity .fa-btn:hover {
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-2px);
            color: #fff;
        }

        /* ===== Timeline ===== */
        .timeline-list {
            list-style: none;
            padding: 0;
            margin: 0;
            position: relative;
        }
        .timeline-list::before {
            content: '';
            position: absolute;
            left: 20px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: #e8e2d4;
            border-radius: 1px;
        }
        .timeline-item {
            display: flex;
            gap: 1.2rem;
            padding-bottom: 1.8rem;
            position: relative;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-dot {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: #fdf8ed;
            border: 3px solid #d4a843;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #a67c24;
            font-size: 0.85rem;
            position: relative;
            z-index: 2;
        }
        .timeline-content {
            background: #ffffff;
            border-radius: var(--radius-card);
            padding: 1.1rem 1.3rem;
            box-shadow: var(--shadow-card);
            border: 1px solid #efebe0;
            flex: 1;
        }
        .timeline-content .tl-date {
            font-size: 0.75rem;
            color: #b0a896;
            margin-bottom: 0.25rem;
        }
        .timeline-content h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #1e1b14;
            margin: 0 0 0.35rem;
        }
        .timeline-content p {
            font-size: 0.84rem;
            color: #7a7262;
            margin: 0;
            line-height: 1.6;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, #3d2c0e 0%, #5c4315 50%, #3d2c0e 100%);
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 4rem 0;
            text-align: center;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(30, 27, 20, 0.7);
        }
        .cta-section .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 700px;
            margin: 0 auto;
        }
        .cta-section h2 {
            font-family: 'Noto Serif SC', 'STSong', serif;
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 0.75rem;
        }
        .cta-section p {
            color: #e8e2d4;
            font-size: 0.95rem;
            margin: 0 0 1.8rem;
            line-height: 1.7;
        }
        .cta-section .cta-btn-lg {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 2rem;
            background: linear-gradient(135deg, #f8cf5f 0%, #e0b040 100%);
            color: #3d2c0e;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 4px 20px rgba(248, 207, 95, 0.35);
            transition: all var(--transition-base);
            border: none;
        }
        .cta-section .cta-btn-lg:hover {
            box-shadow: 0 6px 28px rgba(248, 207, 95, 0.5);
            transform: translateY(-3px);
            color: #3d2c0e;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .faq-item {
            background: #ffffff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid #efebe0;
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-card-hover);
        }
        .faq-q {
            padding: 1.1rem 1.4rem;
            font-weight: 600;
            font-size: 0.98rem;
            color: #1e1b14;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            user-select: none;
            transition: color var(--transition-base);
        }
        .faq-q:hover {
            color: #a67c24;
        }
        .faq-q i {
            font-size: 0.75rem;
            transition: transform 0.3s ease;
            color: #b0a896;
            flex-shrink: 0;
        }
        .faq-item.open .faq-q i {
            transform: rotate(180deg);
            color: #a67c24;
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 1.4rem;
        }
        .faq-item.open .faq-a {
            max-height: 500px;
            padding: 0 1.4rem 1.2rem;
        }
        .faq-a p {
            margin: 0;
            font-size: 0.88rem;
            color: #7a7262;
            line-height: 1.75;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #1e1b14;
            color: #b0a896;
            padding: 3rem 0 1.5rem;
            margin-top: 0;
        }
        .footer-grid {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 2rem;
        }
        .footer-brand {
            font-family: 'Noto Serif SC', 'STSong', serif;
            font-size: 1.35rem;
            font-weight: 700;
            color: #f8cf5f;
            margin-bottom: 0.7rem;
        }
        .footer-desc {
            font-size: 0.84rem;
            line-height: 1.7;
            color: #8a8275;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #e8e2d4;
            margin: 0 0 0.8rem;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.45rem;
        }
        .footer-col ul li a {
            font-size: 0.84rem;
            color: #b0a896;
            transition: color var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: #f8cf5f;
        }
        .footer-bottom {
            max-width: 1200px;
            margin: 2rem auto 0;
            padding: 1.2rem 1.5rem 0;
            border-top: 1px solid #3d3628;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem;
            font-size: 0.78rem;
            color: #7a7262;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .desktop-only {
                display: none !important;
            }
            .nav-links li a {
                padding: 0.45rem 0.6rem;
                font-size: 0.82rem;
            }
            .header-inner {
                gap: 0.8rem;
            }
            .featured-activity {
                grid-template-columns: 1fr;
            }
            .featured-activity .fa-body {
                padding: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 768px) {
            .mobile-toggle {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 1rem 1.5rem;
                gap: 0.3rem;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all 0.3s ease;
                z-index: 99;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-links li a {
                display: block;
                padding: 0.7rem 1rem;
                font-size: 0.95rem;
                border-radius: 0.5rem;
            }
            .nav-cta-btn.desktop-only {
                display: none !important;
            }
            .featured-activity .fa-body {
                padding: 1.2rem;
            }
            .featured-activity h3 {
                font-size: 1.2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .page-banner {
                padding: 2.5rem 0;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .page-banner .banner-sub {
                font-size: 0.9rem;
            }
            .section {
                padding: 2.5rem 0;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .timeline-dot {
                width: 34px;
                height: 34px;
                font-size: 0.7rem;
            }
            .timeline-list::before {
                left: 16px;
            }
            .timeline-item {
                gap: 0.8rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                padding: 0 0.8rem;
                height: 56px;
            }
            .logo {
                font-size: 1rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
                border-radius: 8px;
            }
            .page-banner h1 {
                font-size: 1.35rem;
            }
            .page-banner {
                padding: 2rem 0;
            }
            .section {
                padding: 2rem 0;
            }
            .section-header h2 {
                font-size: 1.25rem;
            }
            .featured-activity .fa-meta {
                gap: 0.7rem;
            }
            .featured-activity .fa-body {
                padding: 1rem;
            }
            .card-body {
                padding: 1rem;
            }
            .cta-section {
                padding: 2.5rem 0;
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
            .cta-section .cta-btn-lg {
                padding: 0.65rem 1.4rem;
                font-size: 0.9rem;
            }
            .faq-q {
                padding: 0.9rem 1rem;
                font-size: 0.88rem;
            }
            .faq-a {
                padding: 0 1rem;
            }
            .faq-item.open .faq-a {
                padding: 0 1rem 1rem;
            }
        }

/* roulang page: category3 */
:root {
            --color-accent: #d4a520;
            --color-accent-light: #f0cf65;
            --color-accent-dark: #8c6a14;
            --color-deep: #1a1410;
            --color-warm: #3d2b1a;
            --color-surface: #faf7f2;
            --color-muted: #8c7a60;
            --color-border: #e5ddd0;
            --color-card-bg: #fdfaf5;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(26, 20, 16, 0.06);
            --shadow-md: 0 6px 24px rgba(26, 20, 16, 0.10);
            --shadow-lg: 0 14px 40px rgba(26, 20, 16, 0.14);
            --shadow-xl: 0 20px 56px rgba(26, 20, 16, 0.18);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s 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', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            line-height: 1.7;
            color: #2b1f15;
            background-color: #faf7f2;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        img {
            display: block;
            max-width: 100%;
            height: auto;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input,
        textarea {
            font-family: inherit;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        @media (min-width: 768px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 252, 247, 0.96);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 2px 16px rgba(26, 20, 16, 0.05);
            transition: box-shadow var(--transition-smooth);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(26, 20, 16, 0.10);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
            height: 64px;
            gap: 1rem;
        }
        @media (min-width: 768px) {
            .header-inner {
                padding: 0 2rem;
                height: 72px;
            }
        }
        @media (min-width: 1024px) {
            .header-inner {
                padding: 0 2.5rem;
                height: 76px;
            }
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            font-weight: 700;
            font-size: 1.35rem;
            color: #1a1410;
            letter-spacing: 0.02em;
            transition: color var(--transition-fast);
        }
        .logo:hover {
            color: var(--color-accent-dark);
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, #d4a520 0%, #b88a1a 100%);
            border-radius: 10px;
            color: #fff;
            font-size: 1.1rem;
            box-shadow: 0 3px 10px rgba(180, 130, 30, 0.3);
        }
        @media (min-width: 768px) {
            .logo {
                font-size: 1.5rem;
            }
            .logo-icon {
                width: 42px;
                height: 42px;
                font-size: 1.2rem;
                border-radius: 11px;
            }
        }

        .nav-links {
            display: none;
            gap: 0.15rem;
            align-items: center;
        }
        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.9rem;
            font-size: 0.93rem;
            font-weight: 500;
            color: #4a3828;
            border-radius: 8px;
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
        }
        .nav-links a:hover {
            color: #1a1410;
            background: rgba(212, 165, 32, 0.08);
        }
        .nav-links a.active {
            color: #1a1410;
            font-weight: 600;
            background: rgba(212, 165, 32, 0.13);
            box-shadow: inset 0 -2px 0 var(--color-accent);
        }

        .nav-cta-btn {
            display: none;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: linear-gradient(135deg, #d4a520 0%, #b88a1a 100%);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: 25px;
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(180, 130, 30, 0.3);
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .nav-cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 7px 20px rgba(180, 130, 30, 0.4);
            background: linear-gradient(135deg, #e0b530 0%, #c4941e 100%);
        }
        @media (min-width: 1024px) {
            .nav-cta-btn.desktop-only {
                display: inline-flex;
            }
        }

        .mobile-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: transparent;
            border: 1.5px solid var(--color-border);
            border-radius: 10px;
            font-size: 1.2rem;
            color: #4a3828;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .mobile-toggle:hover {
            background: rgba(212, 165, 32, 0.06);
            border-color: var(--color-accent);
        }
        @media (min-width: 1024px) {
            .mobile-toggle {
                display: none;
            }
        }

        /* Mobile nav drawer */
        .mobile-nav-drawer {
            position: fixed;
            top: 0;
            right: 0;
            width: 280px;
            max-width: 85vw;
            height: 100vh;
            background: #fffdf7;
            z-index: 200;
            transform: translateX(100%);
            transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: -6px 0 30px rgba(26, 20, 16, 0.18);
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .mobile-nav-drawer.open {
            transform: translateX(0);
        }
        .mobile-nav-drawer a {
            display: block;
            padding: 0.75rem 1rem;
            font-size: 1rem;
            font-weight: 500;
            color: #4a3828;
            border-radius: 10px;
            transition: all var(--transition-fast);
        }
        .mobile-nav-drawer a:hover,
        .mobile-nav-drawer a.active {
            background: rgba(212, 165, 32, 0.10);
            color: #1a1410;
            font-weight: 600;
        }
        .mobile-nav-drawer .drawer-close {
            align-self: flex-end;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1.5px solid var(--color-border);
            background: #fff;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #4a3828;
            transition: all var(--transition-fast);
        }
        .mobile-nav-drawer .drawer-close:hover {
            background: #fef3d5;
            border-color: var(--color-accent);
        }
        .mobile-overlay {
            position: fixed;
            inset: 0;
            background: rgba(26, 20, 16, 0.45);
            z-index: 150;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.35s ease;
        }
        .mobile-overlay.show {
            opacity: 1;
            pointer-events: auto;
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            background: linear-gradient(160deg, #2b1f15 0%, #3d2b1a 40%, #1a1410 100%);
            padding: 3rem 0;
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            mix-blend-mode: soft-light;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, #faf7f2 0%, transparent 100%);
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
        }
        .page-banner .banner-badge {
            display: inline-block;
            background: rgba(212, 165, 32, 0.22);
            border: 1px solid rgba(212, 165, 32, 0.4);
            color: #f0cf65;
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            margin-bottom: 1rem;
        }
        .page-banner h1 {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            margin: 0 0 0.75rem;
            line-height: 1.3;
        }
        .page-banner .banner-desc {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 540px;
            margin: 0 auto;
            line-height: 1.8;
        }
        @media (min-width: 768px) {
            .page-banner {
                padding: 4.5rem 0;
                min-height: 340px;
            }
            .page-banner h1 {
                font-size: 2.6rem;
            }
            .page-banner .banner-desc {
                font-size: 1.05rem;
            }
        }
        @media (min-width: 1024px) {
            .page-banner {
                padding: 5.5rem 0;
                min-height: 380px;
            }
            .page-banner h1 {
                font-size: 3rem;
            }
        }

        /* ========== SECTION SPACING ========== */
        .section {
            padding: 3rem 0;
        }
        @media (min-width: 768px) {
            .section {
                padding: 4.5rem 0;
            }
        }
        @media (min-width: 1024px) {
            .section {
                padding: 5.5rem 0;
            }
        }
        .section-header {
            text-align: center;
            margin-bottom: 2.5rem;
        }
        .section-header .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            color: var(--color-accent-dark);
            background: rgba(212, 165, 32, 0.10);
            padding: 5px 14px;
            border-radius: 16px;
            margin-bottom: 0.75rem;
            text-transform: uppercase;
        }
        .section-header h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #1a1410;
            margin: 0 0 0.5rem;
            letter-spacing: 0.02em;
        }
        .section-header .section-subtitle {
            font-size: 0.9rem;
            color: #8c7a60;
            max-width: 500px;
            margin: 0 auto;
            line-height: 1.7;
        }
        @media (min-width: 768px) {
            .section-header h2 {
                font-size: 2rem;
            }
            .section-header .section-subtitle {
                font-size: 0.95rem;
            }
            .section-header {
                margin-bottom: 3rem;
            }
        }

        /* ========== CARDS ========== */
        .card {
            background: #fffdf7;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-sm);
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(212, 165, 32, 0.3);
        }
        .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #f5efe0;
        }
        .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .card-img-wrap .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(26, 20, 16, 0.82);
            color: #f0cf65;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 12px;
            letter-spacing: 0.04em;
            z-index: 2;
        }
        .card-body {
            padding: 1.25rem;
        }
        @media (min-width: 768px) {
            .card-body {
                padding: 1.5rem;
            }
        }
        .card-body .card-meta {
            font-size: 0.78rem;
            color: #8c7a60;
            margin-bottom: 0.4rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #1a1410;
            margin: 0 0 0.5rem;
            line-height: 1.4;
        }
        .card-body p {
            font-size: 0.85rem;
            color: #6b5a45;
            margin: 0 0 0.75rem;
            line-height: 1.7;
        }
        .card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--color-accent-dark);
            transition: gap var(--transition-fast);
        }
        .card-body .card-link:hover {
            gap: 10px;
            color: #6b4f10;
        }

        /* ========== STRATEGY LIST ========== */
        .strategy-list-item {
            display: flex;
            gap: 1rem;
            align-items: flex-start;
            background: #fffdf7;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 1.25rem;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-sm);
        }
        .strategy-list-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(212, 165, 32, 0.25);
            transform: translateX(3px);
        }
        .strategy-list-item .strategy-thumb {
            flex-shrink: 0;
            width: 80px;
            height: 80px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: #f5efe0;
        }
        @media (min-width: 768px) {
            .strategy-list-item .strategy-thumb {
                width: 110px;
                height: 110px;
            }
            .strategy-list-item {
                gap: 1.5rem;
                padding: 1.5rem;
            }
        }
        .strategy-list-item .strategy-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .strategy-list-item .strategy-info {
            flex: 1;
            min-width: 0;
        }
        .strategy-list-item .strategy-info .strategy-cat {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-accent-dark);
            letter-spacing: 0.05em;
            background: rgba(212, 165, 32, 0.08);
            display: inline-block;
            padding: 3px 10px;
            border-radius: 10px;
            margin-bottom: 0.4rem;
        }
        .strategy-list-item .strategy-info h3 {
            font-size: 1rem;
            font-weight: 700;
            color: #1a1410;
            margin: 0 0 0.35rem;
            line-height: 1.4;
        }
        @media (min-width: 768px) {
            .strategy-list-item .strategy-info h3 {
                font-size: 1.1rem;
            }
        }
        .strategy-list-item .strategy-info p {
            font-size: 0.82rem;
            color: #6b5a45;
            margin: 0 0 0.5rem;
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .strategy-list-item .strategy-info .strategy-meta {
            font-size: 0.75rem;
            color: #8c7a60;
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        /* ========== TIP CARD ========== */
        .tip-card {
            background: #fffdf7;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            text-align: center;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-sm);
            position: relative;
        }
        .tip-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(212, 165, 32, 0.3);
        }
        .tip-card .tip-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 0.75rem;
            background: linear-gradient(135deg, rgba(212, 165, 32, 0.13) 0%, rgba(180, 130, 30, 0.06) 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--color-accent-dark);
        }
        .tip-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #1a1410;
            margin: 0 0 0.5rem;
        }
        .tip-card p {
            font-size: 0.82rem;
            color: #6b5a45;
            margin: 0;
            line-height: 1.7;
        }

        /* ========== CTA BLOCK ========== */
        .cta-block {
            background: linear-gradient(160deg, #2b1f15 0%, #3d2b1a 50%, #1a1410 100%);
            border-radius: var(--radius-xl);
            padding: 2.5rem 1.5rem;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            background: radial-gradient(circle, rgba(212, 165, 32, 0.20) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        @media (min-width: 768px) {
            .cta-block {
                padding: 3.5rem 2rem;
            }
        }
        .cta-block h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 0 0 0.75rem;
            letter-spacing: 0.02em;
            position: relative;
            z-index: 1;
        }
        .cta-block p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 480px;
            margin: 0 auto 1.5rem;
            line-height: 1.7;
            position: relative;
            z-index: 1;
        }
        .cta-block .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            justify-content: center;
            position: relative;
            z-index: 1;
        }
        .cta-btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: linear-gradient(135deg, #d4a520 0%, #b88a1a 100%);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: 25px;
            border: none;
            box-shadow: 0 5px 18px rgba(180, 130, 30, 0.35);
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .cta-btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(180, 130, 30, 0.45);
        }
        .cta-btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: transparent;
            color: #f0cf65;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: 25px;
            border: 1.5px solid rgba(240, 207, 101, 0.5);
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .cta-btn-outline:hover {
            background: rgba(212, 165, 32, 0.10);
            border-color: #f0cf65;
        }
        @media (min-width: 768px) {
            .cta-block h2 {
                font-size: 1.8rem;
            }
        }

        /* ========== FAQ ========== */
        .faq-item {
            background: #fffdf7;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-item summary {
            padding: 1rem 1.25rem;
            font-weight: 600;
            font-size: 0.95rem;
            color: #1a1410;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            user-select: none;
            transition: background var(--transition-fast);
            list-style: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary:hover {
            background: rgba(212, 165, 32, 0.04);
        }
        .faq-item summary .faq-arrow {
            flex-shrink: 0;
            transition: transform var(--transition-fast);
            color: #8c7a60;
            font-size: 0.8rem;
        }
        .faq-item[open] summary .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .faq-item .faq-body {
            padding: 0 1.25rem 1.25rem;
            font-size: 0.85rem;
            color: #5c4a35;
            line-height: 1.8;
        }
        @media (min-width: 768px) {
            .faq-item summary {
                padding: 1.1rem 1.5rem;
                font-size: 1rem;
            }
            .faq-item .faq-body {
                padding: 0 1.5rem 1.5rem;
                font-size: 0.9rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1410;
            color: #c4b8a8;
            padding: 3rem 1.25rem 1.5rem;
            margin-top: auto;
        }
        @media (min-width: 768px) {
            .site-footer {
                padding: 4rem 2rem 1.5rem;
            }
        }
        .footer-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1.4fr 1fr 1fr 1fr;
                gap: 2.5rem;
            }
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #f0cf65;
            margin-bottom: 0.6rem;
            letter-spacing: 0.03em;
        }
        .footer-desc {
            font-size: 0.82rem;
            line-height: 1.8;
            color: #9e8d7a;
            margin: 0;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #e5d5b8;
            margin: 0 0 0.75rem;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .footer-col ul li {
            font-size: 0.8rem;
            color: #9e8d7a;
            line-height: 1.5;
        }
        .footer-col ul li a {
            color: #9e8d7a;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #f0cf65;
        }
        .footer-bottom {
            max-width: 1200px;
            margin: 0 auto;
            padding-top: 1.25rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            justify-content: space-between;
            font-size: 0.75rem;
            color: #7a6b5a;
        }
        @media (min-width: 768px) {
            .footer-bottom {
                font-size: 0.78rem;
            }
        }

        /* ========== UTILITY ========== */
        .text-muted {
            color: #8c7a60;
        }
        .bg-surface {
            background: #faf7f2;
        }
        .bg-warm-light {
            background: #fdfaf5;
        }

/* roulang page: category2 */
:root {
            --primary: #c9a03a;
            --primary-dark: #a07820;
            --primary-light: #f0e0b8;
            --primary-bg: #fdf8ef;
            --brand: #1a1a2e;
            --brand-light: #252540;
            --accent: #c0392b;
            --accent-light: #e74c3c;
            --warm: #f9f7f3;
            --warm-dark: #f0ece4;
            --text-main: #2c2416;
            --text-soft: #6b5e4a;
            --text-muted: #9b8d78;
            --border-soft: #e5dccf;
            --border-warm: #d9cebb;
            --card-bg: #ffffff;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.06), 0 1px 4px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.10), 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-nav: 0 1px 0 rgba(0, 0, 0, 0.05), 0 4px 20px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.40s 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", "Noto Sans SC", sans-serif;
            line-height: 1.7;
            color: var(--text-main);
            background-color: #fcfbf8;
            min-height: 100vh;
            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;
        }

        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

        :focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* ========== HEADER & NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #ffffff;
            border-bottom: 1px solid var(--border-soft);
            box-shadow: var(--shadow-nav);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .header-inner {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 1.5rem;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--brand);
            white-space: nowrap;
            transition: opacity var(--transition-fast);
            flex-shrink: 0;
        }
        .logo:hover {
            opacity: 0.82;
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary) 0%, #d4a84b 60%, #b8861f 100%);
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 1.1rem;
            box-shadow: 0 2px 8px rgba(201, 160, 58, 0.35);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.2rem;
            flex-wrap: nowrap;
        }
        .nav-links li a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.85rem;
            border-radius: var(--radius-sm);
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-soft);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
        }
        .nav-links li a:hover {
            color: var(--primary-dark);
            background: var(--primary-bg);
        }
        .nav-links li a.active,
        .nav-links li a[aria-current="page"] {
            color: var(--primary-dark);
            font-weight: 600;
            background: var(--primary-bg);
            border-radius: var(--radius-sm);
        }
        .nav-links li a.active::after,
        .nav-links li a[aria-current="page"]::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 4px;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.55rem 1.25rem;
            background: linear-gradient(135deg, #c9a03a 0%, #b8861f 100%);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: 2rem;
            white-space: nowrap;
            border: none;
            box-shadow: var(--shadow-btn);
            transition: all var(--transition-normal);
            flex-shrink: 0;
        }
        .nav-cta-btn:hover {
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-1px);
            color: #fff;
        }
        .nav-cta-btn:active {
            transform: translateY(0);
            box-shadow: var(--shadow-btn);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--text-main);
            padding: 0.4rem;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
            flex-shrink: 0;
        }
        .mobile-toggle:hover {
            background: var(--warm-dark);
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 0;
            }
            .nav-links li a {
                padding: 0.45rem 0.6rem;
                font-size: 0.84rem;
            }
            .nav-cta-btn {
                padding: 0.5rem 1rem;
                font-size: 0.82rem;
            }
        }
        @media (max-width: 860px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 0.75rem 1.25rem;
                border-bottom: 1px solid var(--border-soft);
                box-shadow: 0 12px 32px rgba(0, 0, 0, 0.10);
                gap: 0.15rem;
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links li a {
                display: block;
                width: 100%;
                padding: 0.7rem 1rem;
                border-radius: var(--radius-sm);
                font-size: 0.95rem;
            }
            .nav-links li a.active::after,
            .nav-links li a[aria-current="page"]::after {
                display: none;
            }
            .nav-links li a.active,
            .nav-links li a[aria-current="page"] {
                border-left: 3px solid var(--primary);
                border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
                background: var(--primary-bg);
            }
            .desktop-only {
                display: none !important;
            }
            .mobile-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .header-inner {
                height: 56px;
                padding: 0 1rem;
            }
        }
        @media (max-width: 520px) {
            .logo {
                font-size: 1.15rem;
                gap: 0.35rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.95rem;
            }
            .header-inner {
                height: 52px;
                padding: 0 0.75rem;
            }
            .nav-links {
                top: 52px;
            }
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            background: var(--brand);
            background-image: linear-gradient(135deg, rgba(26, 26, 46, 0.88) 0%, rgba(37, 37, 64, 0.82) 100%), url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 30%;
            background-blend-mode: overlay;
            padding: 5rem 1.5rem;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 40%, rgba(201, 160, 58, 0.18) 0%, transparent 65%);
            pointer-events: none;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            margin: 0 auto;
        }
        .page-banner .banner-badge {
            display: inline-block;
            background: rgba(201, 160, 58, 0.25);
            border: 1px solid rgba(201, 160, 58, 0.5);
            color: #f0d78c;
            padding: 0.35rem 1.1rem;
            border-radius: 2rem;
            font-size: 0.88rem;
            font-weight: 500;
            margin-bottom: 1.25rem;
            letter-spacing: 0.04em;
        }
        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            margin: 0 0 1rem;
            letter-spacing: 0.02em;
            line-height: 1.25;
        }
        .page-banner .banner-subtitle {
            font-size: 1.15rem;
            color: #d5cfc0;
            max-width: 560px;
            margin: 0 auto 1.75rem;
            line-height: 1.65;
        }
        .page-banner .banner-stats-row {
            display: flex;
            justify-content: center;
            gap: 2.5rem;
            flex-wrap: wrap;
            margin-top: 0.5rem;
        }
        .page-banner .banner-stat {
            text-align: center;
        }
        .page-banner .banner-stat .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: #f0d78c;
            letter-spacing: 0.03em;
        }
        .page-banner .banner-stat .stat-label {
            font-size: 0.85rem;
            color: #b5ad9c;
            margin-top: 0.2rem;
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: 3.5rem 1.25rem;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .page-banner .banner-subtitle {
                font-size: 1rem;
            }
            .page-banner .banner-stats-row {
                gap: 1.5rem;
            }
            .page-banner .banner-stat .stat-num {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .page-banner {
                padding: 2.5rem 1rem;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.9rem;
            }
            .page-banner .banner-stats-row {
                gap: 1rem;
            }
            .page-banner .banner-stat .stat-num {
                font-size: 1.25rem;
            }
        }

        /* ========== SECTION COMMON ========== */
        .section-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 4rem 1.5rem;
        }
        .section-header {
            text-align: center;
            margin-bottom: 2.5rem;
        }
        .section-header .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--primary-dark);
            background: var(--primary-bg);
            padding: 0.3rem 1rem;
            border-radius: 2rem;
            letter-spacing: 0.05em;
            margin-bottom: 0.6rem;
            text-transform: uppercase;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--brand);
            margin: 0 0 0.6rem;
            letter-spacing: 0.01em;
        }
        .section-header .section-desc {
            color: var(--text-soft);
            font-size: 1rem;
            max-width: 580px;
            margin: 0 auto;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .section-container {
                padding: 2.5rem 1rem;
            }
            .section-header h2 {
                font-size: 1.55rem;
            }
            .section-header .section-desc {
                font-size: 0.9rem;
            }
        }
        @media (max-width: 520px) {
            .section-container {
                padding: 2rem 0.75rem;
            }
            .section-header h2 {
                font-size: 1.35rem;
            }
        }

        /* ========== EVENT CARDS ========== */
        .event-card {
            background: var(--card-bg);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-normal);
            border: 1px solid var(--border-soft);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .event-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: #d9cebb;
        }
        .event-card .card-img-wrap {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: #e8e3d8;
        }
        .event-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .event-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .event-card .card-status-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            padding: 0.3rem 0.75rem;
            border-radius: 2rem;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            z-index: 2;
        }
        .badge-live {
            background: #e74c3c;
            color: #fff;
            animation: pulse-badge 2s infinite;
        }
        .badge-upcoming {
            background: #f0a030;
            color: #fff;
        }
        .badge-ended {
            background: #8c8c8c;
            color: #fff;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(231, 76, 60, 0.5);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(231, 76, 60, 0);
            }
        }
        .event-card .card-body {
            padding: 1.25rem 1.25rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .event-card .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary-dark);
            background: var(--primary-bg);
            padding: 0.2rem 0.7rem;
            border-radius: 1rem;
            margin-bottom: 0.6rem;
            letter-spacing: 0.04em;
            align-self: flex-start;
        }
        .event-card .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--brand);
            margin: 0 0 0.5rem;
            line-height: 1.35;
        }
        .event-card .card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            font-size: 0.84rem;
            color: var(--text-soft);
            margin-bottom: 0.75rem;
        }
        .event-card .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .event-card .card-meta i {
            color: var(--primary);
            font-size: 0.8rem;
        }
        .event-card .card-prize {
            font-weight: 700;
            color: #c0392b;
            font-size: 1.05rem;
            margin-bottom: 0.75rem;
        }
        .event-card .card-btn {
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            padding: 0.6rem 1.4rem;
            background: linear-gradient(135deg, #c9a03a 0%, #b8861f 100%);
            color: #fff;
            font-weight: 600;
            font-size: 0.88rem;
            border-radius: 2rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-normal);
            box-shadow: 0 2px 8px rgba(201, 160, 58, 0.28);
            text-align: center;
        }
        .event-card .card-btn:hover {
            box-shadow: 0 4px 16px rgba(201, 160, 58, 0.42);
            transform: translateY(-1px);
            color: #fff;
        }
        .event-card .card-btn:active {
            transform: translateY(0);
        }
        .event-card .card-btn.outline {
            background: transparent;
            border: 2px solid #c9a03a;
            color: #c9a03a;
            box-shadow: none;
        }
        .event-card .card-btn.outline:hover {
            background: #c9a03a;
            color: #fff;
            box-shadow: 0 4px 16px rgba(201, 160, 58, 0.35);
        }

        /* ========== STATS STRIP ========== */
        .stats-strip {
            background: var(--brand);
            padding: 2.5rem 1.5rem;
            color: #fff;
            text-align: center;
        }
        .stats-strip .stats-inner {
            max-width: 1000px;
            margin: 0 auto;
            display: flex;
            justify-content: center;
            gap: 3rem;
            flex-wrap: wrap;
        }
        .stats-strip .stat-item {
            text-align: center;
        }
        .stats-strip .stat-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: #f0d78c;
            letter-spacing: 0.03em;
        }
        .stats-strip .stat-label {
            font-size: 0.88rem;
            color: #b5ad9c;
            margin-top: 0.25rem;
        }
        @media (max-width: 768px) {
            .stats-strip .stats-inner {
                gap: 1.5rem;
            }
            .stats-strip .stat-value {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 520px) {
            .stats-strip .stats-inner {
                gap: 1rem;
            }
            .stats-strip .stat-value {
                font-size: 1.3rem;
            }
            .stats-strip .stat-label {
                font-size: 0.78rem;
            }
        }

        /* ========== RULES BLOCK ========== */
        .rules-block {
            background: var(--warm);
            border-radius: var(--radius-xl);
            padding: 2rem 2rem;
            border: 1px solid var(--border-soft);
        }
        .rules-block h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--brand);
            margin: 0 0 1rem;
        }
        .rules-block ul {
            list-style: none;
            padding: 0;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 0.75rem;
        }
        .rules-block ul li {
            padding: 0.7rem 1rem;
            background: #fff;
            border-radius: var(--radius-md);
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
            font-size: 0.9rem;
            color: var(--text-soft);
            border: 1px solid var(--border-soft);
            transition: all var(--transition-fast);
            line-height: 1.5;
        }
        .rules-block ul li:hover {
            border-color: #d9cebb;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        .rules-block ul li .rule-icon {
            color: var(--primary);
            font-size: 0.95rem;
            flex-shrink: 0;
            margin-top: 0.15rem;
        }

        /* ========== REVIEW LIST ========== */
        .review-list-item {
            display: flex;
            gap: 1.25rem;
            align-items: flex-start;
            padding: 1.25rem;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-soft);
            transition: all var(--transition-normal);
            margin-bottom: 0.75rem;
        }
        .review-list-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #d9cebb;
        }
        .review-list-item .review-img {
            width: 120px;
            height: 80px;
            border-radius: var(--radius-md);
            object-fit: cover;
            flex-shrink: 0;
            background: #e8e3d8;
        }
        .review-list-item .review-info {
            flex: 1;
            min-width: 0;
        }
        .review-list-item .review-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--brand);
            margin: 0 0 0.3rem;
        }
        .review-list-item .review-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 0.3rem;
        }
        .review-list-item .review-desc {
            font-size: 0.88rem;
            color: var(--text-soft);
            line-height: 1.5;
        }
        @media (max-width: 600px) {
            .review-list-item {
                flex-direction: column;
                gap: 0.75rem;
            }
            .review-list-item .review-img {
                width: 100%;
                height: 160px;
            }
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, #1a1a2e 0%, #252540 100%);
            color: #fff;
            text-align: center;
            padding: 3.5rem 1.5rem;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 50%, rgba(201, 160, 58, 0.14) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-section .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 700px;
            margin: 0 auto;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin: 0 0 0.75rem;
            letter-spacing: 0.02em;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: #c5bfb0;
            margin: 0 0 1.75rem;
            line-height: 1.6;
        }
        .cta-section .cta-btn-lg {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 2.2rem;
            font-size: 1.05rem;
            font-weight: 700;
            background: linear-gradient(135deg, #c9a03a 0%, #b8861f 100%);
            color: #fff;
            border: none;
            border-radius: 2.5rem;
            cursor: pointer;
            transition: all var(--transition-normal);
            box-shadow: 0 4px 20px rgba(201, 160, 58, 0.4);
            letter-spacing: 0.03em;
        }
        .cta-section .cta-btn-lg:hover {
            box-shadow: 0 6px 28px rgba(201, 160, 58, 0.55);
            transform: translateY(-2px);
            color: #fff;
        }
        .cta-section .cta-btn-lg:active {
            transform: translateY(0);
        }
        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 1.55rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .cta-section .cta-btn-lg {
                padding: 0.7rem 1.8rem;
                font-size: 0.95rem;
            }
        }

        /* ========== FILTER TAGS ========== */
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            justify-content: center;
            margin-bottom: 0.5rem;
        }
        .filter-tag {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 1.15rem;
            border-radius: 2rem;
            font-size: 0.88rem;
            font-weight: 500;
            cursor: pointer;
            border: 1.5px solid var(--border-warm);
            background: #fff;
            color: var(--text-soft);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-tag:hover {
            border-color: #c9a03a;
            color: #c9a03a;
            background: #fefcf6;
        }
        .filter-tag.active-tag {
            background: #c9a03a;
            color: #fff;
            border-color: #c9a03a;
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(201, 160, 58, 0.3);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1a2e;
            color: #c5bfb0;
            padding: 3rem 1.5rem 1.5rem;
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .footer-grid {
            max-width: 1200px;
            margin: 0 auto 2rem;
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: 2rem;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #f0d78c;
            margin-bottom: 0.6rem;
        }
        .footer-desc {
            font-size: 0.85rem;
            color: #9b8d78;
            line-height: 1.6;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #e0d6c0;
            margin: 0 0 0.75rem;
            letter-spacing: 0.03em;
        }
        .footer-col ul li {
            margin-bottom: 0.45rem;
        }
        .footer-col ul li a {
            color: #9b8d78;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #f0d78c;
        }
        .footer-bottom {
            max-width: 1200px;
            margin: 0 auto;
            padding-top: 1.25rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 0.75rem;
            font-size: 0.8rem;
            color: #6b5e4a;
        }
        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ========== MISC UTILITIES ========== */
        .text-gold {
            color: #c9a03a;
        }
        .bg-gold-soft {
            background: #fdf8ef;
        }
        .divider {
            border: none;
            height: 1px;
            background: var(--border-soft);
            margin: 0;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

/* roulang page: category6 */
:root {
            --primary: #1a1a2e;
            --accent: #d4a853;
            --accent-light: #f8cf5f;
            --accent-dark: #b8960e;
            --surface: #16213e;
            --surface-alt: #0f3460;
            --muted: #8c7a60;
            --text-soft: #b0a090;
            --bg-warm: #faf7f2;
            --bg-card: #ffffff;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.75rem;
            --shadow-card: 0 2px 20px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 12px 36px rgba(0, 0, 0, 0.12);
            --shadow-gold: 0 4px 24px rgba(212, 168, 83, 0.25);
            --shadow-nav: 0 2px 18px rgba(0, 0, 0, 0.08);
            --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s 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;
            padding: 0;
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            line-height: 1.7;
            color: #2d2d2d;
            background-color: #faf7f2;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

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

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 640px) {
            .container-custom {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #ffffff;
            border-bottom: 1px solid #e8e2d5;
            box-shadow: var(--shadow-nav);
            backdrop-filter: blur(10px);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
            height: 64px;
            gap: 1rem;
        }
        @media (min-width: 640px) {
            .header-inner {
                padding: 0 1.5rem;
                height: 68px;
            }
        }
        @media (min-width: 1024px) {
            .header-inner {
                padding: 0 2rem;
                height: 72px;
            }
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.25rem;
            font-weight: 700;
            color: #1a1a2e;
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition-base);
        }
        .logo:hover {
            opacity: 0.85;
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, #d4a853, #f8cf5f);
            color: #1a1a2e;
            font-size: 1.1rem;
        }
        @media (min-width: 768px) {
            .logo {
                font-size: 1.35rem;
            }
            .logo-icon {
                width: 42px;
                height: 42px;
                font-size: 1.2rem;
            }
        }
        .nav-links {
            display: none;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 0.25rem;
            align-items: center;
            flex-wrap: nowrap;
        }
        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
        }
        .nav-links li a {
            display: block;
            padding: 0.45rem 0.85rem;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: #4a4a5e;
            transition: all var(--transition-base);
            white-space: nowrap;
            position: relative;
        }
        .nav-links li a:hover {
            color: #d4a853;
            background: rgba(212, 168, 83, 0.06);
        }
        .nav-links li a.active,
        .nav-links li a[aria-current="page"] {
            color: #d4a853;
            font-weight: 600;
            background: rgba(212, 168, 83, 0.1);
        }
        .nav-links li a.active::after,
        .nav-links li a[aria-current="page"]::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: #d4a853;
        }
        .nav-cta-btn {
            display: none;
            align-items: center;
            gap: 0.4rem;
            padding: 0.55rem 1.15rem;
            border-radius: 2rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: #1a1a2e;
            background: linear-gradient(135deg, #d4a853, #f8cf5f);
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-smooth);
            box-shadow: 0 2px 10px rgba(212, 168, 83, 0.3);
        }
        .nav-cta-btn:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 22px rgba(212, 168, 83, 0.45);
        }
        @media (min-width: 1024px) {
            .nav-cta-btn.desktop-only {
                display: flex;
            }
        }
        .mobile-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            border: 1px solid #e0d8c8;
            background: #fff;
            color: #2d2d2d;
            font-size: 1.2rem;
            flex-shrink: 0;
            transition: all var(--transition-base);
        }
        .mobile-toggle:hover {
            background: #f5f0e5;
            border-color: #d4a853;
        }
        @media (min-width: 1024px) {
            .mobile-toggle {
                display: none;
            }
        }

        /* Mobile nav drawer */
        .mobile-nav-drawer {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: #ffffff;
            z-index: 999;
            flex-direction: column;
            padding: 1.5rem 1.25rem;
            gap: 0.3rem;
            overflow-y: auto;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
        }
        .mobile-nav-drawer.open {
            display: flex;
        }
        @media (min-width: 640px) {
            .mobile-nav-drawer {
                top: 68px;
            }
        }
        @media (min-width: 1024px) {
            .mobile-nav-drawer {
                display: none !important;
            }
        }
        .mobile-nav-drawer a {
            display: block;
            padding: 0.7rem 1rem;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 500;
            color: #2d2d2d;
            transition: all var(--transition-base);
        }
        .mobile-nav-drawer a:hover,
        .mobile-nav-drawer a.active-mobile {
            background: rgba(212, 168, 83, 0.1);
            color: #d4a853;
            font-weight: 600;
        }
        .mobile-nav-drawer .mobile-cta {
            margin-top: 0.75rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.75rem;
            border-radius: 2rem;
            font-weight: 600;
            color: #1a1a2e;
            background: linear-gradient(135deg, #d4a853, #f8cf5f);
            font-size: 0.95rem;
        }

        /* Page Banner */
        .page-banner {
            position: relative;
            background: url('assets/images/backpic/back-3.webp') center/cover no-repeat;
            min-height: 320px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: #fff;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 10, 30, 0.82) 0%, rgba(22, 33, 62, 0.9) 100%);
            z-index: 1;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
            padding: 2rem 1.25rem;
        }
        .page-banner .banner-badge {
            display: inline-block;
            padding: 0.35rem 1rem;
            border-radius: 2rem;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            background: rgba(212, 168, 83, 0.2);
            color: #f8cf5f;
            border: 1px solid rgba(248, 207, 95, 0.35);
            margin-bottom: 0.75rem;
        }
        .page-banner h1 {
            font-size: 1.8rem;
            font-weight: 700;
            margin: 0 0 0.6rem;
            line-height: 1.3;
            letter-spacing: 0.02em;
        }
        @media (min-width: 640px) {
            .page-banner {
                min-height: 380px;
            }
            .page-banner h1 {
                font-size: 2.2rem;
            }
        }
        @media (min-width: 1024px) {
            .page-banner {
                min-height: 440px;
            }
            .page-banner h1 {
                font-size: 2.6rem;
            }
        }
        .page-banner .banner-sub {
            font-size: 0.95rem;
            color: #d5cfc0;
            line-height: 1.6;
            max-width: 560px;
            margin: 0 auto;
        }
        @media (min-width: 640px) {
            .page-banner .banner-sub {
                font-size: 1.05rem;
            }
        }

        /* Section titles */
        .section-title-area {
            text-align: center;
            margin-bottom: 2.5rem;
        }
        .section-title-area .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: #d4a853;
            text-transform: uppercase;
            margin-bottom: 0.4rem;
        }
        .section-title-area h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #1a1a2e;
            margin: 0 0 0.5rem;
            line-height: 1.3;
        }
        @media (min-width: 640px) {
            .section-title-area h2 {
                font-size: 1.9rem;
            }
        }
        @media (min-width: 1024px) {
            .section-title-area h2 {
                font-size: 2.1rem;
            }
        }
        .section-title-area .section-desc {
            font-size: 0.9rem;
            color: #6b6b7b;
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.6;
        }

        /* Tier cards */
        .tier-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 1.75rem 1.5rem;
            text-align: center;
            border: 2px solid #e8e2d5;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .tier-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: #d4a853;
        }
        .tier-card.featured {
            border-color: #d4a853;
            box-shadow: var(--shadow-gold);
            background: linear-gradient(180deg, #fffef9 0%, #ffffff 100%);
        }
        .tier-card.featured::before {
            content: '推荐';
            position: absolute;
            top: 16px;
            right: -28px;
            background: linear-gradient(135deg, #d4a853, #f8cf5f);
            color: #1a1a2e;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 0.2rem 2rem;
            transform: rotate(45deg);
            letter-spacing: 0.04em;
        }
        .tier-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 64px;
            height: 64px;
            border-radius: 50%;
            margin: 0 auto 0.75rem;
            font-size: 1.6rem;
            color: #fff;
            background: linear-gradient(135deg, #1a1a2e, #16213e);
        }
        .tier-card.featured .tier-icon {
            background: linear-gradient(135deg, #d4a853, #f8cf5f);
            color: #1a1a2e;
            box-shadow: 0 4px 16px rgba(212, 168, 83, 0.4);
        }
        .tier-name {
            font-size: 1.1rem;
            font-weight: 700;
            color: #1a1a2e;
            margin-bottom: 0.3rem;
        }
        .tier-threshold {
            font-size: 0.8rem;
            color: #8c7a60;
            margin-bottom: 0.75rem;
        }
        .tier-benefits {
            list-style: none;
            padding: 0;
            margin: 0 0 1.25rem;
            text-align: left;
            font-size: 0.85rem;
            color: #4a4a5e;
            flex-grow: 1;
        }
        .tier-benefits li {
            padding: 0.3rem 0;
            padding-left: 1.25rem;
            position: relative;
            line-height: 1.5;
        }
        .tier-benefits li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 0.35rem;
            font-size: 0.65rem;
            color: #d4a853;
        }
        .tier-btn {
            display: inline-block;
            padding: 0.55rem 1.5rem;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 0.85rem;
            transition: all var(--transition-smooth);
            border: 2px solid #d4a853;
            color: #d4a853;
            background: transparent;
        }
        .tier-btn:hover {
            background: #d4a853;
            color: #fff;
            box-shadow: var(--shadow-gold);
        }
        .tier-card.featured .tier-btn {
            background: linear-gradient(135deg, #d4a853, #f8cf5f);
            color: #1a1a2e;
            border-color: transparent;
            box-shadow: 0 2px 12px rgba(212, 168, 83, 0.3);
        }
        .tier-card.featured .tier-btn:hover {
            box-shadow: 0 6px 24px rgba(212, 168, 83, 0.5);
            transform: translateY(-2px);
        }

        /* Perk card */
        .perk-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            border: 1px solid #e8e2d5;
            transition: all var(--transition-smooth);
            display: flex;
            gap: 1rem;
            align-items: flex-start;
            height: 100%;
        }
        .perk-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: #d4a853;
        }
        .perk-icon-wrap {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(212, 168, 83, 0.1);
            color: #d4a853;
            font-size: 1.2rem;
        }
        .perk-info h4 {
            margin: 0 0 0.3rem;
            font-size: 1rem;
            font-weight: 600;
            color: #1a1a2e;
        }
        .perk-info p {
            margin: 0;
            font-size: 0.85rem;
            color: #6b6b7b;
            line-height: 1.55;
        }

        /* Stats strip */
        .stats-strip {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
        }
        @media (min-width: 640px) {
            .stats-strip {
                grid-template-columns: repeat(4, 1fr);
                gap: 1.25rem;
            }
        }
        .stat-item {
            text-align: center;
            padding: 1.25rem 0.75rem;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid #e8e2d5;
            transition: all var(--transition-base);
        }
        .stat-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #d4a853;
        }
        .stat-num {
            font-size: 1.8rem;
            font-weight: 700;
            color: #d4a853;
            line-height: 1.2;
        }
        @media (min-width: 640px) {
            .stat-num {
                font-size: 2.2rem;
            }
        }
        .stat-label {
            font-size: 0.8rem;
            color: #6b6b7b;
            margin-top: 0.3rem;
        }

        /* Activity card */
        .activity-card {
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid #e8e2d5;
            transition: all var(--transition-smooth);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .activity-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: #d4a853;
        }
        .activity-card .act-img {
            height: 180px;
            overflow: hidden;
        }
        .activity-card .act-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .activity-card:hover .act-img img {
            transform: scale(1.04);
        }
        .activity-card .act-body {
            padding: 1.25rem;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        .activity-card .act-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            padding: 0.2rem 0.7rem;
            border-radius: 2rem;
            background: rgba(212, 168, 83, 0.15);
            color: #d4a853;
            margin-bottom: 0.5rem;
            width: fit-content;
        }
        .activity-card h4 {
            margin: 0 0 0.4rem;
            font-size: 1rem;
            font-weight: 600;
            color: #1a1a2e;
        }
        .activity-card p {
            margin: 0;
            font-size: 0.85rem;
            color: #6b6b7b;
            line-height: 1.55;
            flex-grow: 1;
        }

        /* FAQ */
        .faq-item {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid #e8e2d5;
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: #d4a853;
        }
        .faq-q {
            width: 100%;
            text-align: left;
            padding: 1rem 1.25rem;
            font-size: 0.95rem;
            font-weight: 600;
            color: #1a1a2e;
            background: transparent;
            border: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            cursor: pointer;
            transition: color var(--transition-base);
        }
        .faq-q:hover {
            color: #d4a853;
        }
        .faq-q .faq-arrow {
            flex-shrink: 0;
            transition: transform var(--transition-smooth);
            font-size: 0.8rem;
            color: #8c7a60;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: #d4a853;
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 1.25rem;
            font-size: 0.85rem;
            color: #5a5a6e;
            line-height: 1.65;
        }
        .faq-item.open .faq-a {
            max-height: 300px;
            padding: 0 1.25rem 1rem;
        }

        /* CTA Section */
        .cta-section {
            background: url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            position: relative;
            border-radius: var(--radius-2xl);
            overflow: hidden;
            text-align: center;
            color: #fff;
            padding: 3rem 1.5rem;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.9) 0%, rgba(22, 33, 62, 0.88) 100%);
            z-index: 1;
        }
        .cta-section .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 600px;
            margin: 0 auto;
        }
        .cta-section h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 0 0 0.6rem;
        }
        @media (min-width: 640px) {
            .cta-section {
                padding: 3.5rem 2rem;
            }
            .cta-section h3 {
                font-size: 1.8rem;
            }
        }
        .cta-section p {
            font-size: 0.9rem;
            color: #d5cfc0;
            margin: 0 0 1.5rem;
            line-height: 1.6;
        }
        .cta-btn-lg {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 2rem;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 0.95rem;
            background: linear-gradient(135deg, #d4a853, #f8cf5f);
            color: #1a1a2e;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 20px rgba(212, 168, 83, 0.4);
        }
        .cta-btn-lg:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 32px rgba(212, 168, 83, 0.55);
        }

        /* Footer */
        .site-footer {
            background: #1a1a2e;
            color: #c5c0b8;
            padding: 3rem 1.25rem 1.5rem;
            margin-top: auto;
        }
        @media (min-width: 640px) {
            .site-footer {
                padding: 3.5rem 1.5rem 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .site-footer {
                padding: 4rem 2rem 1.5rem;
            }
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            max-width: 1200px;
            margin: 0 auto 2rem;
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr 1fr;
                gap: 2rem;
            }
        }
        @media (min-width: 1024px) {
            .footer-grid {
                gap: 3rem;
            }
        }
        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #f8cf5f;
            margin-bottom: 0.5rem;
        }
        .footer-desc {
            font-size: 0.82rem;
            line-height: 1.6;
            color: #9a9488;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 600;
            color: #d5cfc0;
            margin: 0 0 0.75rem;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.4rem;
        }
        .footer-col ul li a {
            font-size: 0.82rem;
            color: #9a9488;
            transition: color var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: #f8cf5f;
        }
        .footer-bottom {
            max-width: 1200px;
            margin: 0 auto;
            padding-top: 1.25rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            justify-content: space-between;
            font-size: 0.75rem;
            color: #7a7568;
        }

        /* Utility */
        .section-pad {
            padding: 3rem 0;
        }
        @media (min-width: 640px) {
            .section-pad {
                padding: 4rem 0;
            }
        }
        @media (min-width: 1024px) {
            .section-pad {
                padding: 5rem 0;
            }
        }
        .bg-warm-alt {
            background: #f5efe2;
        }
        .bg-dark-section {
            background: #1a1a2e;
            color: #fff;
        }
        .text-gold {
            color: #d4a853;
        }

/* roulang page: category5 */
:root {
            --color-primary: #c9a55c;
            --color-primary-hover: #b8913e;
            --color-secondary: #8c7a60;
            --color-accent: #f0c75e;
            --color-deep: #1a1a2e;
            --color-surface: #fafaf8;
            --color-text: #2a2a2e;
            --color-text-weak: #6b6b6e;
            --color-border: #e6e6e7;
            --color-white: #ffffff;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --shadow-sm: 0 1px 8px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 36px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background-color: #fdfdfb;
            min-height: 100vh;
            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;
            border: none;
            font-family: inherit;
        }

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

        ul {
            list-style: none;
        }

        /* Container */
        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 640px) {
            .container-custom {
                padding-left: 1.75rem;
                padding-right: 1.75rem;
            }
        }
        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        @media (min-width: 1280px) {
            .container-custom {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }

        /* Header */
        .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 rgba(0, 0, 0, 0.07);
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
            transition: box-shadow var(--transition-normal);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.7rem 1.25rem;
            max-width: 1200px;
            margin: 0 auto;
            gap: 1.5rem;
        }
        @media (min-width: 640px) {
            .header-inner {
                padding: 0.7rem 1.75rem;
            }
        }
        @media (min-width: 1024px) {
            .header-inner {
                padding: 0.75rem 2rem;
                gap: 2rem;
            }
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.55rem;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-deep);
            flex-shrink: 0;
            transition: opacity var(--transition-fast);
            white-space: nowrap;
        }
        .logo:hover {
            opacity: 0.82;
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, #c9a55c 0%, #e0c87a 50%, #b8913e 100%);
            border-radius: 10px;
            color: #fff;
            font-size: 1.1rem;
            box-shadow: 0 2px 10px rgba(201, 165, 92, 0.3);
            flex-shrink: 0;
        }
        @media (min-width: 768px) {
            .logo {
                font-size: 1.4rem;
            }
            .logo-icon {
                width: 42px;
                height: 42px;
                font-size: 1.25rem;
                border-radius: 11px;
            }
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex-wrap: wrap;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.75rem;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #4a4a4d;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover {
            color: #c9a55c;
            background: rgba(201, 165, 92, 0.06);
        }
        .nav-links a.active {
            color: #c9a55c;
            font-weight: 600;
            background: rgba(201, 165, 92, 0.1);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2.5px;
            background: #c9a55c;
            border-radius: 2px;
        }
        @media (max-width: 1023px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                flex-direction: column;
                background: #fff;
                border-top: 1px solid #eee;
                box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
                padding: 0.75rem 1.25rem;
                gap: 0.15rem;
                z-index: 999;
                border-radius: 0 0 16px 16px;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 0.7rem 1rem;
                font-size: 0.95rem;
                border-radius: 10px;
            }
            .nav-links a.active::after {
                display: none;
            }
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.55rem 1.2rem;
            background: linear-gradient(135deg, #c9a55c, #dbb86a);
            color: #fff;
            font-weight: 600;
            font-size: 0.88rem;
            border-radius: 24px;
            transition: all var(--transition-normal);
            white-space: nowrap;
            flex-shrink: 0;
            box-shadow: 0 2px 12px rgba(201, 165, 92, 0.3);
            letter-spacing: 0.01em;
        }
        .nav-cta-btn:hover {
            background: linear-gradient(135deg, #b8913e, #c9a55c);
            box-shadow: 0 4px 20px rgba(201, 165, 92, 0.45);
            transform: translateY(-1px);
            color: #fff;
        }
        .nav-cta-btn:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(201, 165, 92, 0.3);
        }
        .desktop-only {
            display: none;
        }
        @media (min-width: 1024px) {
            .desktop-only {
                display: inline-flex;
            }
        }

        .mobile-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: transparent;
            border-radius: 10px;
            font-size: 1.3rem;
            color: #4a4a4d;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .mobile-toggle:hover {
            background: rgba(0, 0, 0, 0.04);
            color: #c9a55c;
        }
        @media (min-width: 1024px) {
            .mobile-toggle {
                display: none;
            }
        }

        /* Hero Banner */
        .hero-vip {
            position: relative;
            background: linear-gradient(135deg, #1a1a2e 0%, #1f1f35 30%, #1a1a2e 60%, #151528 100%);
            overflow: hidden;
            padding: 3.5rem 0;
        }
        .hero-vip::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }
        .hero-vip::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(201, 165, 92, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            z-index: 0;
            pointer-events: none;
        }
        .hero-vip-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }
        .hero-vip-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(201, 165, 92, 0.15);
            border: 1px solid rgba(201, 165, 92, 0.35);
            color: #f0c75e;
            padding: 0.45rem 1.1rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 1.25rem;
            animation: fadeUp 0.5s ease-out forwards;
        }
        .hero-vip-title {
            font-size: 2rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.3;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
            animation: fadeUp 0.55s ease-out 0.08s forwards;
            opacity: 0;
        }
        .hero-vip-title .gold-text {
            background: linear-gradient(135deg, #f0c75e 0%, #d4a020 40%, #e8c660 70%, #c9a55c 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-weight: 900;
        }
        .hero-vip-desc {
            font-size: 1.05rem;
            color: #c5c5d0;
            line-height: 1.75;
            max-width: 620px;
            margin: 0 auto 1.75rem;
            animation: fadeUp 0.6s ease-out 0.14s forwards;
            opacity: 0;
        }
        .hero-vip-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            justify-content: center;
            animation: fadeUp 0.65s ease-out 0.2s forwards;
            opacity: 0;
        }
        .btn-gold {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.75rem;
            background: linear-gradient(135deg, #c9a55c, #dbb86a);
            color: #1a1a2e;
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: 50px;
            transition: all var(--transition-normal);
            box-shadow: 0 4px 18px rgba(201, 165, 92, 0.4);
            letter-spacing: 0.02em;
        }
        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(201, 165, 92, 0.55);
            background: linear-gradient(135deg, #dbb86a, #e8c878);
        }
        .btn-outline-gold {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 1.6rem;
            background: transparent;
            color: #f0c75e;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: 50px;
            border: 2px solid rgba(240, 199, 94, 0.5);
            transition: all var(--transition-normal);
            letter-spacing: 0.02em;
        }
        .btn-outline-gold:hover {
            border-color: #f0c75e;
            background: rgba(240, 199, 94, 0.08);
            color: #f8d880;
        }

        @media (min-width: 640px) {
            .hero-vip {
                padding: 5rem 0;
            }
            .hero-vip-title {
                font-size: 2.5rem;
            }
            .hero-vip-desc {
                font-size: 1.1rem;
            }
        }
        @media (min-width: 1024px) {
            .hero-vip {
                padding: 6.5rem 0;
            }
            .hero-vip-title {
                font-size: 3rem;
            }
            .hero-vip-desc {
                font-size: 1.15rem;
            }
        }

        /* Section spacing */
        .section-py {
            padding: 3rem 0;
        }
        @media (min-width: 640px) {
            .section-py {
                padding: 4rem 0;
            }
        }
        @media (min-width: 1024px) {
            .section-py {
                padding: 5.5rem 0;
            }
        }

        .section-title {
            text-align: center;
            font-size: 1.6rem;
            font-weight: 700;
            color: #1a1a2e;
            margin-bottom: 0.6rem;
            letter-spacing: 0.02em;
        }
        .section-subtitle {
            text-align: center;
            font-size: 0.95rem;
            color: #6b6b6e;
            max-width: 560px;
            margin: 0 auto 2.5rem;
            line-height: 1.65;
        }
        @media (min-width: 640px) {
            .section-title {
                font-size: 1.85rem;
            }
            .section-subtitle {
                font-size: 1rem;
                margin-bottom: 3rem;
            }
        }
        @media (min-width: 1024px) {
            .section-title {
                font-size: 2.1rem;
            }
        }

        /* VIP Tier Cards */
        .tier-card {
            background: #fff;
            border-radius: 16px;
            padding: 2rem 1.5rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
            border: 1px solid #eee;
            text-align: center;
        }
        .tier-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
        }
        .tier-card.premium {
            border-color: rgba(201, 165, 92, 0.4);
            box-shadow: 0 6px 28px rgba(201, 165, 92, 0.18);
            background: linear-gradient(180deg, #fffef9 0%, #ffffff 100%);
        }
        .tier-card.premium::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, #c9a55c, #f0c75e, #c9a55c);
            border-radius: 0 0 2px 2px;
        }
        .tier-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            margin-bottom: 1rem;
            font-size: 1.5rem;
        }
        .tier-icon.silver {
            background: #e8e8ec;
            color: #7a7a80;
        }
        .tier-icon.gold {
            background: linear-gradient(135deg, #fdf0c8, #fce8a4);
            color: #b8861a;
        }
        .tier-icon.diamond {
            background: linear-gradient(135deg, #e0f0ff, #c8e0ff);
            color: #3a6fb5;
        }
        .tier-icon.crown {
            background: linear-gradient(135deg, #ffe8c0, #ffd480);
            color: #8b5e00;
            box-shadow: 0 0 20px rgba(201, 165, 92, 0.35);
        }
        .tier-name {
            font-weight: 700;
            font-size: 1.2rem;
            color: #1a1a2e;
            margin-bottom: 0.35rem;
        }
        .tier-threshold {
            font-size: 0.85rem;
            color: #8c7a60;
            margin-bottom: 0.9rem;
            font-weight: 500;
        }
        .tier-benefits {
            text-align: left;
            font-size: 0.88rem;
            color: #5b5b5e;
            line-height: 1.7;
        }
        .tier-benefits li {
            padding: 0.25rem 0;
            display: flex;
            align-items: flex-start;
            gap: 0.4rem;
        }
        .tier-benefits li i {
            color: #c9a55c;
            margin-top: 0.2rem;
            flex-shrink: 0;
            font-size: 0.75rem;
        }

        /* Feature card */
        .feature-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.75rem 1.5rem;
            box-shadow: 0 3px 16px rgba(0, 0, 0, 0.05);
            border: 1px solid #f0f0f0;
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            height: 100%;
        }
        .feature-card:hover {
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
            transform: translateY(-3px);
            border-color: #e0d5c0;
        }
        .feature-icon-wrap {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 12px;
            font-size: 1.3rem;
            flex-shrink: 0;
        }
        .feature-icon-wrap.warm {
            background: #fef7ed;
            color: #c9a55c;
        }
        .feature-icon-wrap.cool {
            background: #edf4fb;
            color: #4a8bc2;
        }
        .feature-icon-wrap.rich {
            background: #fdf2f8;
            color: #c45a8b;
        }
        .feature-icon-wrap.deep {
            background: #edf5ed;
            color: #5a8a5a;
        }
        .feature-card h4 {
            font-weight: 700;
            font-size: 1.05rem;
            color: #1a1a2e;
        }
        .feature-card p {
            font-size: 0.9rem;
            color: #6b6b6e;
            line-height: 1.65;
            flex-grow: 1;
        }

        /* Stats */
        .stat-block {
            text-align: center;
            padding: 1.25rem 0.75rem;
        }
        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: #c9a55c;
            letter-spacing: 0.02em;
            line-height: 1.1;
        }
        .stat-label {
            font-size: 0.88rem;
            color: #6b6b6e;
            margin-top: 0.35rem;
        }
        @media (min-width: 640px) {
            .stat-number {
                font-size: 2.6rem;
            }
        }
        @media (min-width: 1024px) {
            .stat-number {
                font-size: 3rem;
            }
        }

        /* CTA section */
        .cta-section {
            background: linear-gradient(135deg, #1a1a2e 0%, #222240 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.1;
            z-index: 0;
        }

        /* FAQ */
        .faq-item {
            background: #fff;
            border-radius: 14px;
            padding: 1.25rem 1.5rem;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
            border: 1px solid #eee;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .faq-item:hover {
            box-shadow: 0 4px 18px rgba(0, 0, 0, 0.08);
            border-color: #ddd;
        }
        .faq-item summary {
            font-weight: 600;
            font-size: 1rem;
            color: #1a1a2e;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 0.75rem;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary i {
            color: #c9a55c;
            transition: transform var(--transition-fast);
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .faq-item[open] summary i {
            transform: rotate(180deg);
        }
        .faq-answer {
            margin-top: 0.75rem;
            font-size: 0.9rem;
            color: #5b5b5e;
            line-height: 1.7;
            padding-top: 0.75rem;
            border-top: 1px solid #f0f0f0;
        }

        /* Footer */
        .site-footer {
            background: #1a1a2e;
            color: #c5c5d0;
            padding: 2.5rem 1.25rem 1.5rem;
        }
        @media (min-width: 640px) {
            .site-footer {
                padding: 3.5rem 1.75rem 1.75rem;
            }
        }
        @media (min-width: 1024px) {
            .site-footer {
                padding: 4.5rem 2rem 2rem;
            }
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
                gap: 2.5rem;
            }
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.6rem;
        }
        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.7;
            color: #a0a0b0;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #e0d5c0;
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: #a0a0b0;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #f0c75e;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 2rem auto 0;
            padding-top: 1.25rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.8rem;
            color: #8888a0;
        }
        @media (min-width: 640px) {
            .footer-bottom {
                margin-top: 2.5rem;
            }
        }

        /* Responsive grid helpers */
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }
        @media (min-width: 640px) {
            .grid-2 {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .grid-2 {
                gap: 2rem;
            }
        }
        .grid-3 {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }
        @media (min-width: 640px) {
            .grid-3 {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .grid-3 {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 1.75rem;
            }
        }
        .grid-4 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
        }
        @media (min-width: 640px) {
            .grid-4 {
                grid-template-columns: 1fr 1fr;
                gap: 1.25rem;
            }
        }
        @media (min-width: 1024px) {
            .grid-4 {
                grid-template-columns: 1fr 1fr 1fr 1fr;
                gap: 1.5rem;
            }
        }

        /* Shimmer loading placeholder */
        .shimmer-line {
            background: linear-gradient(90deg, #f0f0f0 25%, #e8e8e8 50%, #f0f0f0 75%);
            background-size: 200% 100%;
            animation: shimmer 2.5s infinite;
            border-radius: 4px;
            height: 12px;
        }

        /* Smooth scroll offset for sticky header */
        #faq-section {
            scroll-margin-top: 80px;
        }
        @media (min-width: 1024px) {
            #faq-section {
                scroll-margin-top: 90px;
            }
        }