/* roulang page: index */
:root {
            --primary: #0B7A3B;
            --primary-dark: #0A6E35;
            --primary-light: #E8F5EE;
            --accent: #F5C518;
            --accent-dark: #D4A800;
            --dark: #111827;
            --dark-soft: #1A1A1A;
            --bg-light: #F7F7F5;
            --bg-off: #F5F7F6;
            --text-main: #1F2937;
            --text-secondary: #6B7280;
            --border: #E5E7EB;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
            --shadow-lg: 0 8px 20px rgba(0,0,0,0.12);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 64px;
        }
        @media (min-width: 768px) {
            body {
                padding-bottom: 0;
            }
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, textarea, select {
            font-family: var(--font-sans);
            font-size: 16px;
        }
        .container {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 16px;
            padding-right: 16px;
        }
        @media (min-width: 768px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding-left: 32px;
                padding-right: 32px;
            }
        }
        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: #ffffff;
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            height: 64px;
            display: flex;
            align-items: center;
        }
        .site-header .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .brand-logo .logo-mark {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .desktop-nav {
            display: none;
            align-items: center;
            gap: 4px;
        }
        @media (min-width: 768px) {
            .desktop-nav {
                display: flex;
            }
        }
        .desktop-nav a {
            padding: 6px 14px;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            white-space: nowrap;
        }
        .desktop-nav a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .desktop-nav a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .desktop-nav a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .mobile-top-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .mobile-top-bar .brand-logo {
            font-size: 1.1rem;
        }
        .mobile-top-bar .brand-logo .logo-mark {
            width: 28px;
            height: 28px;
            font-size: 14px;
        }
        .mobile-hamburger {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border: 1px solid var(--border);
            border-radius: 8px;
            background: #fff;
            cursor: pointer;
            color: var(--text-main);
            font-size: 20px;
            transition: var(--transition);
        }
        .mobile-hamburger:hover {
            background: var(--bg-off);
        }
        @media (min-width: 768px) {
            .mobile-hamburger {
                display: none;
            }
        }
        /* Mobile Bottom Tab */
        .mobile-bottom-tab {
            display: flex;
            align-items: center;
            justify-content: space-around;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 60;
            background: rgba(255,255,255,0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid var(--border);
            box-shadow: 0 -2px 12px rgba(0,0,0,0.08);
            padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
            height: 56px;
        }
        @media (min-width: 768px) {
            .mobile-bottom-tab {
                display: none;
            }
        }
        .mobile-bottom-tab a {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            width: 20%;
            font-size: 0.7rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            padding: 4px 2px;
            transition: var(--transition);
            line-height: 1.2;
        }
        .mobile-bottom-tab a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .mobile-bottom-tab a:hover {
            color: var(--primary);
        }
        .mobile-bottom-tab a .tab-icon {
            font-size: 20px;
            line-height: 1;
        }
        /* Hero */
        .hero-section {
            position: relative;
            min-height: 560px;
            background-image: url('/assets/images/511cb40dedf91126.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        @media (min-width: 768px) {
            .hero-section {
                min-height: 620px;
            }
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(17,24,39,0.88) 0%, rgba(17,24,39,0.55) 50%, rgba(11,122,59,0.4) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            color: #fff;
            padding: 48px 0;
            width: 100%;
        }
        .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 16px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(255,255,255,0.12);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 500;
            border: 1px solid rgba(255,255,255,0.2);
        }
        .hero-h1 {
            font-size: clamp(1.75rem, 4vw, 2.75rem);
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            color: #fff;
            max-width: 700px;
        }
        .hero-desc {
            font-size: 1rem;
            color: rgba(255,255,255,0.85);
            max-width: 560px;
            line-height: 1.8;
            margin-bottom: 24px;
        }
        @media (min-width: 768px) {
            .hero-desc {
                font-size: 1.05rem;
            }
        }
        .hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 32px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 0.7rem 1.5rem;
            border-radius: 10px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(11,122,59,0.35);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 18px rgba(11,122,59,0.45);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-primary:focus-visible {
            outline: 3px solid rgba(245,197,24,0.7);
            outline-offset: 2px;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: rgba(255,255,255,0.12);
            color: #fff;
            padding: 0.7rem 1.5rem;
            border-radius: 10px;
            font-weight: 600;
            font-size: 0.95rem;
            border: 1px solid rgba(255,255,255,0.35);
            cursor: pointer;
            transition: var(--transition);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
        }
        .btn-secondary:hover {
            background: rgba(255,255,255,0.2);
            border-color: rgba(255,255,255,0.5);
            transform: translateY(-1px);
        }
        .btn-secondary:focus-visible {
            outline: 3px solid rgba(245,197,24,0.7);
            outline-offset: 2px;
        }
        .hero-quick-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            padding-top: 12px;
            border-top: 1px solid rgba(255,255,255,0.2);
        }
        .hero-quick-nav a {
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(255,255,255,0.08);
            color: #fff;
            font-size: 0.82rem;
            font-weight: 500;
            border: 1px solid rgba(255,255,255,0.15);
            transition: var(--transition);
        }
        .hero-quick-nav a:hover {
            background: rgba(255,255,255,0.18);
            border-color: rgba(255,255,255,0.35);
        }
        .hero-quick-nav a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        /* Section Styles */
        .section {
            padding: 56px 0;
        }
        @media (min-width: 768px) {
            .section {
                padding: 72px 0;
            }
        }
        .section-dark {
            background: var(--dark);
            color: #fff;
        }
        .section-light {
            background: #fff;
        }
        .section-off {
            background: var(--bg-off);
        }
        .section-label {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 999px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: clamp(1.4rem, 2.5vw, 1.9rem);
            font-weight: 700;
            letter-spacing: -0.02em;
            color: inherit;
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-desc {
            color: var(--text-secondary);
            max-width: 680px;
            font-size: 0.95rem;
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .section-dark .section-desc {
            color: rgba(255,255,255,0.6);
        }
        /* Card Generic */
        .card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            overflow: hidden;
        }
        .card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .card-body {
            padding: 20px;
        }
        .card-title {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-main);
            line-height: 1.4;
        }
        .card-text {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            background: var(--primary-light);
            color: var(--primary);
        }
        .badge-accent {
            background: #FDF8E1;
            color: #8B6D00;
        }
        /* Grid helpers */
        .grid-3 {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }
        @media (min-width: 640px) {
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .grid-3 {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .grid-4 {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }
        @media (min-width: 640px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }
        @media (min-width: 768px) {
            .grid-2 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        /* Problem cards */
        .problem-card {
            background: #fff;
            border-left: 4px solid var(--primary);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            border-top: 1px solid var(--border);
            border-right: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .problem-card:hover {
            box-shadow: var(--shadow-md);
            border-left-color: var(--accent);
        }
        .problem-card .problem-title {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .problem-card .problem-text {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        /* Solution steps */
        .solution-step {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 20px 0;
            border-bottom: 1px solid var(--border);
        }
        .solution-step:last-child {
            border-bottom: none;
        }
        .step-number {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .step-content .step-title {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-main);
            margin-bottom: 4px;
        }
        .step-content .step-desc {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        /* Stats cards */
        .stat-card {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: center;
            transition: var(--transition);
        }
        .stat-card:hover {
            background: rgba(255,255,255,0.1);
            border-color: rgba(245,197,24,0.4);
        }
        .stat-number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 0.88rem;
            color: rgba(255,255,255,0.7);
            font-weight: 500;
        }
        /* Testimonial */
        .testimonial-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--primary);
        }
        .testimonial-quote {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 12px;
            font-style: italic;
        }
        .testimonial-author {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-main);
        }
        .testimonial-role {
            font-size: 0.8rem;
            color: var(--text-secondary);
        }
        /* Brand intro */
        .brand-intro-box {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
        }
        .brand-intro-text {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.85;
        }
        /* News item */
        .news-item {
            display: flex;
            flex-direction: column;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        @media (min-width: 640px) {
            .news-item {
                flex-direction: row;
            }
        }
        .news-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .news-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        @media (min-width: 640px) {
            .news-img {
                width: 200px;
                min-width: 200px;
                aspect-ratio: auto;
                height: auto;
                object-fit: cover;
            }
        }
        .news-body {
            padding: 16px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .news-date {
            font-size: 0.78rem;
            color: var(--text-secondary);
            margin-bottom: 6px;
            font-weight: 500;
        }
        .news-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .news-excerpt {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 10px;
        }
        .news-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            transition: var(--transition);
        }
        .news-link:hover {
            color: var(--primary-dark);
            gap: 8px;
        }
        .news-link:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }
        /* Data bar */
        .data-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
            transition: var(--transition);
        }
        .data-bar:hover {
            background: rgba(255,255,255,0.08);
        }
        .data-bar .data-label {
            font-size: 0.85rem;
            font-weight: 500;
            color: rgba(255,255,255,0.7);
            white-space: nowrap;
            min-width: 90px;
        }
        .data-bar .data-track {
            flex: 1;
            height: 8px;
            background: rgba(255,255,255,0.12);
            border-radius: 999px;
            overflow: hidden;
        }
        .data-bar .data-fill {
            height: 100%;
            border-radius: 999px;
            background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
            transition: width 0.8s ease;
        }
        .data-bar .data-value {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            min-width: 40px;
            text-align: right;
        }
        /* Topic cards */
        .topic-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .topic-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .topic-img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }
        .topic-body {
            padding: 16px;
        }
        .topic-title {
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .topic-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }
        /* FAQ */
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 16px 18px;
            background: #fff;
            border: none;
            cursor: pointer;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-main);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: -2px;
        }
        .faq-icon {
            font-size: 1.2rem;
            color: var(--primary);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 18px;
            background: #FAFBFA;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 18px 16px;
        }
        .faq-answer p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }
        /* CTA Section */
        .cta-section {
            background: var(--dark);
            color: #fff;
            padding: 64px 0;
        }
        .cta-box {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--dark) 60%);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: var(--radius-xl);
            padding: 36px 28px;
            text-align: center;
        }
        @media (min-width: 768px) {
            .cta-box {
                padding: 48px 40px;
            }
        }
        .cta-title {
            font-size: clamp(1.3rem, 2.5vw, 1.7rem);
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }
        .cta-sub {
            color: rgba(255,255,255,0.7);
            font-size: 0.92rem;
            max-width: 520px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }
        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 420px;
            margin: 0 auto;
        }
        @media (min-width: 640px) {
            .cta-form {
                flex-direction: row;
            }
        }
        .cta-form input {
            flex: 1;
            padding: 0.75rem 1rem;
            border-radius: 10px;
            border: 1px solid rgba(255,255,255,0.25);
            background: rgba(255,255,255,0.1);
            color: #fff;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .cta-form input::placeholder {
            color: rgba(255,255,255,0.5);
        }
        .cta-form input:focus {
            outline: none;
            border-color: var(--accent);
            background: rgba(255,255,255,0.15);
            box-shadow: 0 0 0 3px rgba(245,197,24,0.3);
        }
        .cta-form button {
            white-space: nowrap;
            padding: 0.75rem 1.5rem;
            border-radius: 10px;
            background: var(--accent);
            color: var(--dark);
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .cta-form button:hover {
            background: #FFD83D;
            transform: translateY(-1px);
        }
        .cta-form button:focus-visible {
            outline: 3px solid rgba(255,255,255,0.6);
            outline-offset: 2px;
        }
        /* Footer */
        .site-footer {
            background: var(--dark-soft);
            color: rgba(255,255,255,0.7);
            padding: 48px 0 32px;
            border-top: 1px solid rgba(255,255,255,0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr 1fr;
            }
        }
        .footer-brand .brand-logo {
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-brand .brand-logo .logo-mark {
            background: var(--primary);
        }
        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.7;
            color: rgba(255,255,255,0.55);
            max-width: 320px;
        }
        .footer-heading {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.55);
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-friend-links a {
            font-size: 0.8rem;
            color: rgba(255,255,255,0.45);
            padding: 4px 10px;
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 999px;
            transition: var(--transition);
        }
        .footer-friend-links a:hover {
            color: #fff;
            border-color: rgba(255,255,255,0.3);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.4);
        }
        @media (min-width: 640px) {
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                align-items: center;
            }
        }
        .footer-bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .footer-bottom-links a {
            color: rgba(255,255,255,0.45);
            font-size: 0.8rem;
            transition: var(--transition);
        }
        .footer-bottom-links a:hover {
            color: var(--accent);
        }
        .contact-info {
            font-size: 0.85rem;
            line-height: 1.7;
            color: rgba(255,255,255,0.5);
        }

/* roulang page: category2 */
:root {
            --primary: #0B7A3B;
            --primary-dark: #0A6E35;
            --primary-light: #E8F5EE;
            --accent: #F5C518;
            --accent-dark: #D4A800;
            --dark: #111827;
            --dark-soft: #1A1A1A;
            --bg-light: #F7F7F5;
            --bg-off: #F5F7F6;
            --text-main: #1F2937;
            --text-secondary: #6B7280;
            --border: #E5E7EB;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
            --shadow-lg: 0 8px 20px rgba(0,0,0,0.12);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 0;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, textarea, select {
            font-family: var(--font-sans);
            font-size: 16px;
        }
        .container {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 16px;
            padding-right: 16px;
        }
        @media (min-width: 640px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding-left: 32px;
                padding-right: 32px;
            }
        }
        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: #ffffff;
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            height: 64px;
            display: flex;
            align-items: center;
        }
        .site-header .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .brand-logo .logo-mark {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .desktop-nav {
            display: none;
            align-items: center;
            gap: 4px;
        }
        @media (min-width: 768px) {
            .desktop-nav {
                display: flex;
            }
        }
        .desktop-nav a {
            padding: 6px 14px;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            white-space: nowrap;
        }
        .desktop-nav a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .desktop-nav a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .desktop-nav a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .mobile-top-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .mobile-top-bar .brand-logo {
            font-size: 1.1rem;
        }
        .mobile-top-bar .brand-logo .logo-mark {
            width: 28px;
            height: 28px;
            font-size: 14px;
        }
        .mobile-hamburger {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border: 1px solid var(--border);
            border-radius: 8px;
            background: #fff;
            cursor: pointer;
            color: var(--text-main);
            font-size: 20px;
            transition: var(--transition);
        }
        .mobile-hamburger:hover {
            background: var(--bg-off);
        }
        @media (min-width: 768px) {
            .mobile-hamburger {
                display: none;
            }
        }
        /* Mobile Bottom Tab */
        .mobile-bottom-tab {
            display: flex;
            align-items: center;
            justify-content: space-around;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 60;
            background: rgba(255,255,255,0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid var(--border);
            box-shadow: 0 -2px 12px rgba(0,0,0,0.08);
            padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
            height: 56px;
        }
        @media (min-width: 768px) {
            .mobile-bottom-tab {
                display: none;
            }
        }
        .mobile-bottom-tab a {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            width: 20%;
            font-size: 0.7rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            padding: 4px 2px;
            transition: var(--transition);
        }
        .mobile-bottom-tab a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .mobile-bottom-tab a:hover {
            color: var(--primary);
        }
        .mobile-bottom-tab svg {
            width: 20px;
            height: 20px;
        }
        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #fff;
            border-radius: 8px;
            padding: 0.625rem 1.25rem;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            gap: 8px;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: #fff;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: 8px;
            padding: 0.625rem 1.25rem;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: var(--transition);
            gap: 8px;
        }
        .btn-secondary:hover {
            background: var(--primary-light);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        /* Cards */
        .card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            overflow: hidden;
        }
        .card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .card-image {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        /* Badges */
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 0.25rem 0.75rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            line-height: 1.5;
        }
        .badge-green {
            background: var(--primary-light);
            color: var(--primary-dark);
        }
        .badge-yellow {
            background: #FEF3C7;
            color: #92400E;
        }
        /* Section */
        .section {
            padding-top: 3rem;
            padding-bottom: 3rem;
        }
        @media (min-width: 768px) {
            .section {
                padding-top: 4rem;
                padding-bottom: 4rem;
            }
        }
        .section-alt {
            background: #fff;
        }
        .section-dark {
            background: var(--dark);
            color: #fff;
        }
        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 1rem;
            flex-wrap: wrap;
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .separator {
            color: var(--border);
        }
        /* FAQ */
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            background: #fff;
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary);
        }
        .faq-item summary {
            padding: 1rem 1.25rem;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.95rem;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: "+";
            font-size: 1.25rem;
            font-weight: 400;
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .faq-item[open] summary::after {
            content: "−";
            color: var(--primary);
        }
        .faq-item .faq-body {
            padding: 0 1.25rem 1.25rem;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.8;
        }
        /* Data bar */
        .data-bar {
            height: 8px;
            border-radius: 999px;
            background: var(--border);
            overflow: hidden;
        }
        .data-bar-fill {
            height: 100%;
            border-radius: 999px;
            background: var(--primary);
            transition: width 0.6s ease;
        }
        .data-bar-fill.accent {
            background: var(--accent);
        }
        /* Form */
        .form-input {
            width: 100%;
            padding: 0.625rem 1rem;
            border: 1px solid #D1D5DB;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            transition: var(--transition);
            background: #fff;
        }
        .form-input:focus {
            outline: 2px solid var(--primary-light);
            border-color: var(--primary);
        }
        /* Footer */
        .site-footer {
            background: var(--dark);
            color: #D1D5DB;
            margin-top: 4rem;
            padding-top: 3rem;
            padding-bottom: 1.5rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr 1fr;
            }
        }
        .footer-brand .brand-logo {
            color: #fff;
        }
        .footer-brand .brand-logo .logo-mark {
            background: var(--primary);
            color: #fff;
        }
        .footer-desc {
            font-size: 0.9rem;
            color: #9CA3AF;
            margin-top: 0.75rem;
            max-width: 300px;
            line-height: 1.8;
        }
        .footer-heading {
            font-size: 0.85rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 1rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 0.5rem;
        }
        .footer-links a {
            color: #9CA3AF;
            font-size: 0.9rem;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .contact-info {
            font-size: 0.9rem;
            color: #9CA3AF;
            line-height: 1.8;
        }
        .footer-friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-friend-links a {
            color: #9CA3AF;
            font-size: 0.85rem;
            padding: 4px 10px;
            border: 1px solid rgba(255,255,255,0.15);
            border-radius: 999px;
            transition: var(--transition);
        }
        .footer-friend-links a:hover {
            color: var(--accent);
            border-color: var(--accent);
        }
        .footer-bottom {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.75rem;
            padding-top: 1.5rem;
            font-size: 0.85rem;
            color: #9CA3AF;
        }
        @media (min-width: 640px) {
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
            }
        }
        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-bottom-links a {
            color: #9CA3AF;
        }
        .footer-bottom-links a:hover {
            color: var(--accent);
        }
        /* Category header */
        .category-hero {
            background: linear-gradient(0deg, rgba(17,24,39,0.82) 0%, rgba(17,24,39,0.55) 100%), url('/assets/images/5910fdc542f25e1a.webp') center/cover no-repeat;
            color: #fff;
            padding: 3rem 0;
            position: relative;
        }
        .category-hero h1 {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 0.75rem;
        }
        @media (min-width: 768px) {
            .category-hero h1 {
                font-size: 2.5rem;
            }
        }
        .category-hero p {
            font-size: 1rem;
            color: rgba(255,255,255,0.85);
            max-width: 650px;
            line-height: 1.9;
        }
        /* List card */
        .list-card {
            display: flex;
            flex-direction: column;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .list-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }
        @media (min-width: 640px) {
            .list-card {
                flex-direction: row;
            }
        }
        .list-card .list-image {
            flex-shrink: 0;
        }
        @media (min-width: 640px) {
            .list-card .list-image {
                width: 220px;
            }
        }
        .list-card .list-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 16/9;
        }
        @media (min-width: 640px) {
            .list-card .list-image img {
                aspect-ratio: auto;
                height: 100%;
            }
        }
        .list-card .list-body {
            padding: 1.25rem 1.5rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
            flex: 1;
        }
        /* Stats chip */
        .stat-chip {
            display: inline-flex;
            align-items: baseline;
            gap: 6px;
            background: var(--bg-off);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 6px 12px;
            font-size: 0.8rem;
            color: var(--text-secondary);
        }
        .stat-chip strong {
            font-size: 1.1rem;
            color: var(--primary);
            font-weight: 700;
        }
        /* Rank table-like */
        .rank-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.625rem 1rem;
            border-bottom: 1px solid var(--border);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .rank-row:last-child {
            border-bottom: none;
        }
        .rank-row:hover {
            background: var(--bg-off);
        }
        .rank-row .rank-pos {
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--bg-off);
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--text-secondary);
        }
        .rank-row .rank-pos.top {
            background: var(--primary-light);
            color: var(--primary);
        }
        .rank-row .rank-pos.gold {
            background: #FEF3C7;
            color: #92400E;
        }

/* roulang page: category1 */
:root {
            --primary: #0B7A3B;
            --primary-dark: #0A6E35;
            --primary-light: #E8F5EE;
            --accent: #F5C518;
            --accent-dark: #D4A800;
            --dark: #111827;
            --dark-soft: #1A1A1A;
            --bg-light: #F7F7F5;
            --bg-off: #F5F7F6;
            --text-main: #1F2937;
            --text-secondary: #6B7280;
            --border: #E5E7EB;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 20px rgba(0, 0, 0, 0.12);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --transition: all 0.3s ease;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 0;
        }

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

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

        button,
        input,
        textarea,
        select {
            font-family: var(--font-sans);
            font-size: 16px;
        }

        .container {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (min-width: 1024px) {
            .container {
                padding-left: 32px;
                padding-right: 32px;
            }
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: #ffffff;
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            height: 64px;
            display: flex;
            align-items: center;
        }

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

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .brand-logo .logo-mark {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .desktop-nav {
            display: none;
            align-items: center;
            gap: 4px;
        }

        @media (min-width: 768px) {
            .desktop-nav {
                display: flex;
            }
        }

        .desktop-nav a {
            padding: 6px 14px;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            white-space: nowrap;
        }

        .desktop-nav a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .desktop-nav a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }

        .desktop-nav a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .mobile-top-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        @media (min-width: 768px) {
            .mobile-top-bar {
                display: none;
            }
        }

        .mobile-top-bar .brand-logo {
            font-size: 1.1rem;
        }

        .mobile-top-bar .brand-logo .logo-mark {
            width: 28px;
            height: 28px;
            font-size: 14px;
        }

        .mobile-hamburger {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border: 1px solid var(--border);
            border-radius: 8px;
            background: #fff;
            cursor: pointer;
            color: var(--text-main);
            transition: var(--transition);
        }

        .mobile-hamburger:hover {
            background: var(--bg-off);
        }

        .mobile-menu-panel {
            display: none;
            background: #fff;
            border-top: 1px solid var(--border);
            padding: 12px 24px;
        }

        .mobile-menu-panel.open {
            display: block;
        }

        .mobile-menu-panel a {
            display: block;
            padding: 10px 0;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-main);
            border-bottom: 1px solid var(--border);
        }

        .mobile-menu-panel a:last-child {
            border-bottom: none;
        }

        .mobile-menu-panel a.active {
            color: var(--primary);
            font-weight: 600;
        }

        /* Mobile Bottom Tab */
        .mobile-bottom-tab {
            display: flex;
            align-items: center;
            justify-content: space-around;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 60;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid var(--border);
            box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.08);
            padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
            height: 56px;
        }

        @media (min-width: 768px) {
            .mobile-bottom-tab {
                display: none;
            }
        }

        .mobile-bottom-tab a {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            width: 20%;
            font-size: 0.7rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            padding: 4px 2px;
            transition: var(--transition);
        }

        .mobile-bottom-tab a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .mobile-bottom-tab a svg {
            width: 20px;
            height: 20px;
            margin-bottom: 1px;
        }

        /* Page Hero / Category Header */
        .category-hero {
            background: linear-gradient(135deg, rgba(11, 122, 59, 0.05) 0%, rgba(245, 197, 24, 0.04) 100%);
            border-bottom: 1px solid var(--border);
            padding: 40px 0 32px;
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/5910fdc542f25e1a.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.07;
            pointer-events: none;
            z-index: 0;
        }

        .category-hero .container {
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: var(--transition);
        }

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

        .breadcrumb .sep {
            color: var(--border);
        }

        .breadcrumb .current {
            color: var(--primary);
            font-weight: 500;
        }

        .category-hero h1 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: -0.02em;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .category-hero .hero-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.8;
        }

        /* Section Base */
        .section {
            padding: 40px 0;
        }

        @media (min-width: 768px) {
            .section {
                padding: 56px 0;
            }
        }

        .section-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: -0.01em;
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin-bottom: 24px;
            line-height: 1.7;
        }

        /* Cards */
        .card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            overflow: hidden;
        }

        .card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .card-image {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            border-bottom: 1px solid var(--border);
        }

        .card-body {
            padding: 16px 18px;
        }

        .card-date {
            font-size: 0.75rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 8px;
        }

        .card-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.4;
            margin-bottom: 8px;
        }

        .card-summary {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-readmore {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: var(--transition);
        }

        .card-readmore:hover {
            color: var(--primary-dark);
            gap: 8px;
        }

        /* Badge / Tag */
        .badge {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 500;
            background: var(--primary-light);
            color: var(--primary);
            white-space: nowrap;
        }

        .badge-accent {
            background: rgba(245, 197, 24, 0.15);
            color: var(--accent-dark);
        }

        .badge-outline {
            background: transparent;
            border: 1px solid var(--border);
            color: var(--text-secondary);
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 0.625rem 1.25rem;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            text-align: center;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: var(--shadow-md);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn-outline {
            background: #fff;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary-light);
        }

        .btn-outline:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        /* Filter Tags */
        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 500;
            border: 1px solid var(--border);
            background: #fff;
            color: var(--text-secondary);
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .filter-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }

        .filter-tag.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }

        /* Data list */
        .data-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 16px;
            border-bottom: 1px solid var(--border);
            font-size: 0.9rem;
        }

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

        .data-rank {
            font-weight: 700;
            color: var(--primary);
            min-width: 36px;
        }

        .data-name {
            flex: 1;
            font-weight: 500;
            color: var(--text-main);
            text-align: center;
        }

        .data-value {
            font-weight: 700;
            color: var(--accent-dark);
            min-width: 56px;
            text-align: right;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            background: #fff;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: var(--primary);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 18px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-main);
            background: #fff;
            user-select: none;
        }

        .faq-question .icon {
            font-size: 1.2rem;
            color: var(--text-secondary);
            transition: var(--transition);
        }

        .faq-item.open .faq-question .icon {
            transform: rotate(45deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 18px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.75;
        }

        .faq-item.open .faq-answer {
            max-height: 200px;
            padding: 0 18px 16px;
        }

        /* CTA Section */
        .cta-section {
            background: var(--dark);
            border-radius: var(--radius-lg);
            padding: 40px 28px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(245, 197, 24, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
            letter-spacing: -0.01em;
        }

        .cta-section p {
            color: #d1d5db;
            max-width: 560px;
            font-size: 0.95rem;
            line-height: 1.75;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .cta-form input {
            flex: 1;
            min-width: 220px;
            padding: 0.625rem 1rem;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .cta-form input::placeholder {
            color: #9ca3af;
        }

        .cta-form input:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-color: var(--accent);
        }

        /* Footer */
        .site-footer {
            background: var(--dark);
            color: #d1d5db;
            padding: 48px 0 24px;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 28px;
            margin-bottom: 32px;
        }

        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr 1fr;
            }
        }

        .footer-brand .brand-logo {
            color: #fff;
            font-size: 1.2rem;
            margin-bottom: 12px;
        }

        .footer-brand .brand-logo .logo-mark {
            background: var(--primary);
        }

        .footer-desc {
            font-size: 0.85rem;
            color: #9ca3af;
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-heading {
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
        }

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

        .footer-links li {
            margin-bottom: 8px;
        }

        .footer-links a {
            color: #9ca3af;
            font-size: 0.85rem;
            transition: var(--transition);
        }

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

        .contact-info {
            font-size: 0.85rem;
            color: #9ca3af;
            line-height: 1.7;
        }

        .footer-friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-friend-links a {
            padding: 4px 10px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.06);
            font-size: 0.8rem;
            color: #9ca3af;
            transition: var(--transition);
        }

        .footer-friend-links a:hover {
            background: var(--primary);
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: #9ca3af;
        }

        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
            }
        }

        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-bottom-links a {
            color: #9ca3af;
            transition: var(--transition);
        }

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

        /* Article list specific */
        .article-list-item {
            display: flex;
            flex-direction: column;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }

        @media (min-width: 640px) {
            .article-list-item {
                flex-direction: row;
            }
        }

        .article-list-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .article-list-item .list-image {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }

        @media (min-width: 640px) {
            .article-list-item .list-image {
                width: 240px;
                min-width: 240px;
                aspect-ratio: auto;
                height: auto;
            }
        }

        .article-list-item .list-body {
            padding: 16px 18px;
            flex: 1;
        }

        /* Grid overlay */
        .hero-bg-overlay {
            position: absolute;
            inset: 0;
            z-index: 0;
            opacity: 0.06;
            pointer-events: none;
        }

        /* Utility */
        .text-primary {
            color: var(--primary);
        }
        .text-accent {
            color: var(--accent-dark);
        }
        .bg-primary-light {
            background: var(--primary-light);
        }

        @media (max-width: 639px) {
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .cta-section {
                padding: 28px 20px;
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0B7A3B;
            --primary-dark: #0A6E35;
            --primary-light: #E8F5EE;
            --accent: #F5C518;
            --accent-dark: #D4A800;
            --dark: #111827;
            --dark-soft: #1A1A1A;
            --bg-light: #F7F7F5;
            --bg-off: #F5F7F6;
            --text-main: #1F2937;
            --text-secondary: #6B7280;
            --border: #E5E7EB;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
            --shadow-lg: 0 8px 20px rgba(0,0,0,0.12);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 0;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, textarea, select {
            font-family: var(--font-sans);
            font-size: 16px;
        }
        .container {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (min-width: 1280px) {
            .container {
                padding-left: 32px;
                padding-right: 32px;
            }
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: #ffffff;
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            height: 64px;
            display: flex;
            align-items: center;
        }
        .site-header .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .brand-logo .logo-mark {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .desktop-nav {
            display: none;
            align-items: center;
            gap: 4px;
        }
        @media (min-width: 768px) {
            .desktop-nav {
                display: flex;
            }
        }
        .desktop-nav a {
            padding: 6px 14px;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            white-space: nowrap;
        }
        .desktop-nav a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .desktop-nav a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .desktop-nav a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .mobile-top-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .mobile-top-bar .brand-logo {
            font-size: 1.1rem;
        }
        .mobile-top-bar .brand-logo .logo-mark {
            width: 28px;
            height: 28px;
            font-size: 14px;
        }
        .mobile-hamburger {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border: 1px solid var(--border);
            border-radius: 8px;
            background: #fff;
            cursor: pointer;
            color: var(--text-main);
            font-size: 20px;
            transition: var(--transition);
        }
        .mobile-hamburger:hover {
            background: var(--bg-off);
        }
        @media (min-width: 768px) {
            .mobile-hamburger {
                display: none;
            }
        }
        .mobile-bottom-tab {
            display: flex;
            align-items: center;
            justify-content: space-around;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 60;
            background: rgba(255,255,255,0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid var(--border);
            box-shadow: 0 -2px 12px rgba(0,0,0,0.08);
            padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
            height: 56px;
        }
        @media (min-width: 768px) {
            .mobile-bottom-tab {
                display: none;
            }
        }
        .mobile-bottom-tab a {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            width: 20%;
            font-size: 0.7rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            padding: 4px 2px;
            transition: var(--transition);
        }
        .mobile-bottom-tab a .tab-icon {
            width: 20px;
            height: 20px;
            display: block;
        }
        .mobile-bottom-tab a.active {
            color: var(--primary);
            font-weight: 600;
            background: var(--primary-light);
        }
        .mobile-bottom-tab a:hover {
            color: var(--primary);
        }
        .mobile-bottom-tab a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .badge {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 500;
            background: var(--primary-light);
            color: var(--primary);
        }
        .badge-accent {
            background: #FFF8DC;
            color: var(--accent-dark);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #fff;
            padding: 0.625rem 1.25rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: #fff;
            color: var(--primary);
            border: 1px solid var(--primary);
            padding: 0.625rem 1.25rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-secondary:hover {
            background: var(--primary-light);
            transform: translateY(-1px);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
            transition: var(--transition);
        }
        .btn-read-more:hover {
            color: var(--primary-dark);
            gap: 8px;
        }
        .btn-read-more:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .card-img {
            border-radius: var(--radius-md) var(--radius-md) 0 0;
            overflow: hidden;
            aspect-ratio: 16/10;
        }
        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .card-body {
            padding: 1.25rem;
        }
        .card-title {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-main);
            line-height: 1.4;
            margin-bottom: 0.5rem;
        }
        .card-summary {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 1rem;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.78rem;
            color: var(--text-secondary);
            margin-bottom: 0.75rem;
        }
        .section-header {
            margin-bottom: 2rem;
        }
        .section-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: -0.01em;
            line-height: 1.3;
            margin-bottom: 0.5rem;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.7;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 1rem;
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: #9CA3AF;
        }
        .breadcrumb .current {
            color: var(--text-main);
            font-weight: 500;
        }
        .filter-tag {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: #fff;
            border: 1px solid var(--border);
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .filter-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }
        .filter-tag.active-tag {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 600;
        }
        .filter-tag:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .article-list-item {
            display: flex;
            flex-direction: column;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .article-list-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .article-list-item .article-thumb {
            aspect-ratio: 16/10;
            overflow: hidden;
            flex-shrink: 0;
        }
        .article-list-item .article-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .article-list-item .article-content {
            padding: 1.25rem;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .article-list-item .article-title {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-main);
            line-height: 1.4;
            margin-bottom: 0.5rem;
        }
        .article-list-item .article-summary {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 0.75rem;
        }
        @media (min-width: 640px) {
            .article-list-item {
                flex-direction: row;
            }
            .article-list-item .article-thumb {
                width: 240px;
                aspect-ratio: auto;
                min-height: 100%;
            }
            .article-list-item .article-content {
                padding: 1.5rem;
            }
        }
        .data-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
        }
        @media (min-width: 768px) {
            .data-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 1.25rem;
            }
        }
        .data-card {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: var(--radius-md);
            padding: 1.25rem;
            text-align: center;
        }
        .data-card .data-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
        .data-card .data-label {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.7);
            margin-top: 0.25rem;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 0.75rem 1rem;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 0.5rem;
            transition: var(--transition);
        }
        .rank-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .rank-number {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-off);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--text-secondary);
            flex-shrink: 0;
        }
        .rank-number.top {
            background: var(--primary);
            color: #fff;
        }
        .rank-name {
            font-weight: 600;
            font-size: 0.95rem;
            flex: 1;
        }
        .rank-value {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--primary);
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            background: #fff;
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary);
        }
        .faq-item summary {
            padding: 1rem 1.25rem;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-main);
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: var(--transition);
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary:hover {
            color: var(--primary);
        }
        .faq-item summary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .faq-item summary .faq-arrow {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            transition: transform 0.3s ease;
            color: var(--text-secondary);
        }
        .faq-item[open] summary .faq-arrow {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-item .faq-answer {
            padding: 0 1.25rem 1.25rem;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }
        .cta-section {
            background: var(--dark);
            border-radius: var(--radius-xl);
            padding: 3rem 1.5rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section .cta-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.01em;
            margin-bottom: 0.75rem;
        }
        .cta-section .cta-desc {
            font-size: 1rem;
            color: rgba(255,255,255,0.7);
            max-width: 560px;
            margin: 0 auto 1.75rem;
            line-height: 1.7;
        }
        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            max-width: 480px;
            margin: 0 auto;
        }
        @media (min-width: 640px) {
            .cta-form {
                flex-direction: row;
            }
            .cta-section {
                padding: 3.5rem 2.5rem;
            }
        }
        .cta-form input {
            flex: 1;
            padding: 0.75rem 1rem;
            border: 1px solid rgba(255,255,255,0.3);
            border-radius: var(--radius-sm);
            background: rgba(255,255,255,0.1);
            color: #fff;
            font-size: 0.95rem;
            transition: var(--transition);
        }
        .cta-form input::placeholder {
            color: rgba(255,255,255,0.5);
        }
        .cta-form input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(11,122,59,0.3);
        }
        .site-footer {
            background: var(--dark);
            color: rgba(255,255,255,0.7);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        @media (min-width: 640px) {
            .site-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .site-footer .footer-grid {
                grid-template-columns: 2fr 1fr 1fr 1fr;
                gap: 2.5rem;
            }
        }
        .footer-brand .brand-logo {
            color: #fff;
            font-size: 1.2rem;
            margin-bottom: 0.75rem;
        }
        .footer-brand .brand-logo .logo-mark {
            background: var(--primary);
        }
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-heading {
            font-size: 0.85rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .footer-links a {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.7);
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .contact-info {
            font-size: 0.85rem;
            line-height: 1.7;
        }
        .footer-friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .footer-friend-links a {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(255,255,255,0.08);
            border-radius: 999px;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.7);
            transition: var(--transition);
        }
        .footer-friend-links a:hover {
            color: var(--accent);
            background: rgba(255,255,255,0.15);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.12);
            padding-top: 1.25rem;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.8rem;
            text-align: center;
        }
        @media (min-width: 640px) {
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                text-align: left;
            }
        }
        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-bottom-links a {
            color: rgba(255,255,255,0.7);
        }
        .footer-bottom-links a:hover {
            color: var(--accent);
        }
        .category-hero {
            position: relative;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 4rem 0 3rem;
            border-radius: 0 0 var(--radius-xl) var(--radius-xl);
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(17,24,39,0.82) 0%, rgba(11,122,59,0.68) 55%, rgba(17,24,39,0.55) 100%);
            z-index: 1;
        }
        .category-hero .hero-inner {
            position: relative;
            z-index: 2;
        }
        .category-hero h1 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin-bottom: 0.75rem;
        }
        .category-hero .hero-desc {
            font-size: 1rem;
            color: rgba(255,255,255,0.85);
            max-width: 620px;
            line-height: 1.75;
        }
        @media (min-width: 768px) {
            .category-hero {
                padding: 4.5rem 0 3.5rem;
            }
            .category-hero h1 {
                font-size: 2.25rem;
            }
        }
        @media (max-width: 767px) {
            .category-hero {
                padding: 3rem 0 2rem;
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            }
            .category-hero h1 {
                font-size: 1.6rem;
            }
        }
        .editor-pick-item {
            display: flex;
            flex-direction: column;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .editor-pick-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .editor-pick-item .pick-thumb {
            aspect-ratio: 16/10;
            overflow: hidden;
        }
        .editor-pick-item .pick-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .editor-pick-item .pick-content {
            padding: 1.25rem;
        }
        .editor-pick-item .pick-title {
            font-weight: 700;
            font-size: 1rem;
            line-height: 1.4;
            margin-bottom: 0.5rem;
        }
        .editor-pick-item .pick-summary {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0.75rem;
        }
        @media (min-width: 640px) {
            .editor-pick-item {
                flex-direction: row;
            }
            .editor-pick-item .pick-thumb {
                width: 180px;
                min-height: 100%;
                aspect-ratio: auto;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #0B7A3B;
            --primary-dark: #0A6E35;
            --primary-light: #E8F5EE;
            --accent: #F5C518;
            --accent-dark: #D4A800;
            --dark: #111827;
            --dark-soft: #1A1A1A;
            --bg-light: #F7F7F5;
            --bg-off: #F5F7F6;
            --text-main: #1F2937;
            --text-secondary: #6B7280;
            --border: #E5E7EB;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
            --shadow-lg: 0 8px 20px rgba(0,0,0,0.12);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, textarea, select {
            font-family: var(--font-sans);
            font-size: 16px;
        }
        .container {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 16px;
            padding-right: 16px;
        }
        @media (min-width: 640px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding-left: 32px;
                padding-right: 32px;
            }
        }
        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: #ffffff;
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            height: 64px;
            display: flex;
            align-items: center;
        }
        .site-header .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .brand-logo .logo-mark {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .desktop-nav {
            display: none;
            align-items: center;
            gap: 4px;
        }
        @media (min-width: 768px) {
            .desktop-nav {
                display: flex;
            }
        }
        .desktop-nav a {
            padding: 6px 14px;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            white-space: nowrap;
        }
        .desktop-nav a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .desktop-nav a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .desktop-nav a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .mobile-top-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .mobile-top-bar .brand-logo {
            font-size: 1.1rem;
        }
        .mobile-top-bar .brand-logo .logo-mark {
            width: 28px;
            height: 28px;
            font-size: 14px;
        }
        .mobile-hamburger {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border: 1px solid var(--border);
            border-radius: 8px;
            background: #fff;
            cursor: pointer;
            color: var(--text-main);
            font-size: 20px;
            transition: var(--transition);
        }
        .mobile-hamburger:hover {
            background: var(--bg-off);
        }
        @media (min-width: 768px) {
            .mobile-hamburger {
                display: none;
            }
        }
        /* Mobile menu drawer */
        .mobile-menu-drawer {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-lg);
            z-index: 55;
            padding: 16px 0;
        }
        .mobile-menu-drawer.open {
            display: block;
        }
        .mobile-menu-drawer a {
            display: block;
            padding: 12px 24px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-main);
            border-left: 3px solid transparent;
        }
        .mobile-menu-drawer a:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .mobile-menu-drawer a.active {
            background: var(--primary-light);
            color: var(--primary);
            border-left-color: var(--primary);
            font-weight: 600;
        }
        /* Mobile Bottom Tab */
        .mobile-bottom-tab {
            display: flex;
            align-items: center;
            justify-content: space-around;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 60;
            background: rgba(255,255,255,0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid var(--border);
            box-shadow: 0 -2px 12px rgba(0,0,0,0.08);
            padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
            height: 56px;
        }
        @media (min-width: 768px) {
            .mobile-bottom-tab {
                display: none;
            }
        }
        .mobile-bottom-tab a {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            width: 20%;
            font-size: 0.7rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            padding: 4px 2px;
            transition: var(--transition);
        }
        .mobile-bottom-tab a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .mobile-bottom-tab a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .mobile-bottom-tab svg {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
        }
        /* Section */
        .section {
            padding: 40px 0;
        }
        @media (min-width: 768px) {
            .section {
                padding: 56px 0;
            }
        }
        .section-alt {
            background: #fff;
        }
        .section-dark {
            background: var(--dark);
            color: #fff;
        }
        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            padding: 10px 20px;
            border-radius: 8px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            font-size: 0.95rem;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: var(--shadow-md);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            font-weight: 600;
            padding: 10px 20px;
            border-radius: 8px;
            border: 1px solid var(--primary);
            cursor: pointer;
            transition: var(--transition);
            font-size: 0.95rem;
        }
        .btn-secondary:hover {
            background: var(--primary-light);
            border-color: var(--primary-dark);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-sm {
            padding: 6px 12px;
            font-size: 0.85rem;
            border-radius: 6px;
        }
        /* Badge */
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 10px;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            line-height: 1.4;
        }
        .badge-green {
            background: var(--primary-light);
            color: var(--primary);
        }
        .badge-yellow {
            background: #FFF9E0;
            color: #8A6D00;
        }
        .badge-gray {
            background: #F3F4F6;
            color: var(--text-secondary);
        }
        /* Cards */
        .card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            overflow: hidden;
        }
        .card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .card-image {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #E5E7EB;
        }
        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .card-body {
            padding: 20px;
        }
        .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
            margin-bottom: 8px;
        }
        .card-summary {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-meta {
            font-size: 0.8rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }
        /* Category hero */
        .category-hero {
            position: relative;
            min-height: 300px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: var(--dark);
        }
        .category-hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }
        .category-hero-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.45;
        }
        .category-hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(180deg, rgba(17,24,39,0.75) 0%, rgba(17,24,39,0.9) 100%);
        }
        .category-hero-content {
            position: relative;
            z-index: 2;
            padding: 48px 0;
            width: 100%;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.8);
            margin-bottom: 16px;
        }
        .breadcrumb a {
            color: rgba(255,255,255,0.8);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: #fff;
        }
        .breadcrumb span {
            color: rgba(255,255,255,0.5);
        }
        .breadcrumb .current {
            color: var(--accent);
            font-weight: 500;
        }
        .category-hero h1 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .category-hero p {
            font-size: 1.05rem;
            color: rgba(255,255,255,0.85);
            max-width: 640px;
            line-height: 1.8;
        }
        @media (min-width: 768px) {
            .category-hero h1 {
                font-size: 2.5rem;
            }
            .category-hero p {
                font-size: 1.1rem;
            }
        }
        /* Tag filter bar */
        .tag-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
        }
        .tag-chip {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 500;
            background: #fff;
            border: 1px solid var(--border);
            color: var(--text-secondary);
            cursor: pointer;
            transition: var(--transition);
            user-select: none;
        }
        .tag-chip:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }
        .tag-chip.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 600;
        }
        /* Feature cards horizontal */
        .feature-h-card {
            display: flex;
            flex-direction: column;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            overflow: hidden;
        }
        @media (min-width: 640px) {
            .feature-h-card {
                flex-direction: row;
            }
        }
        .feature-h-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .feature-h-card .feature-image {
            flex-shrink: 0;
            width: 100%;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #E5E7EB;
        }
        @media (min-width: 640px) {
            .feature-h-card .feature-image {
                width: 240px;
                aspect-ratio: auto;
                min-height: 140px;
            }
        }
        .feature-h-card .feature-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .feature-h-card .feature-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        /* Data strip */
        .data-strip {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        @media (min-width: 768px) {
            .data-strip {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        .data-stat {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
        }
        .data-stat-value {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }
        .data-stat-label {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.7);
            margin-top: 4px;
        }
        /* FAQ */
        .faq-list details {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
        }
        .faq-list summary {
            list-style: none;
            cursor: pointer;
            padding: 16px 20px;
            font-weight: 600;
            color: var(--text-main);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: var(--transition);
            font-size: 1rem;
        }
        .faq-list summary:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .faq-list summary::-webkit-details-marker {
            display: none;
        }
        .faq-list summary::after {
            content: "+";
            font-size: 1.4rem;
            font-weight: 400;
            color: var(--text-secondary);
            flex-shrink: 0;
        }
        .faq-list details[open] summary::after {
            content: "−";
            color: var(--primary);
        }
        .faq-list details[open] summary {
            color: var(--primary);
            background: var(--primary-light);
        }
        .faq-list .faq-answer {
            padding: 0 20px 20px;
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 0.95rem;
        }
        /* Related reading */
        .related-link {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 14px 18px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
            transition: var(--transition);
        }
        .related-link:hover {
            border-color: var(--primary);
            background: var(--primary-light);
            transform: translateX(4px);
        }
        .related-link .related-title {
            font-weight: 600;
            color: var(--text-main);
            font-size: 0.95rem;
        }
        .related-link .related-arrow {
            color: var(--primary);
            font-weight: 600;
            flex-shrink: 0;
        }
        /* Footer */
        .site-footer {
            background: var(--dark);
            color: rgba(255,255,255,0.7);
            padding: 48px 0 32px;
            margin-bottom: 0;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        @media (min-width: 640px) {
            .site-footer .footer-grid {
                grid-template-columns: 2fr 1fr 1fr 1fr;
            }
        }
        .site-footer .brand-logo {
            color: #fff;
            margin-bottom: 12px;
        }
        .site-footer .brand-logo .logo-mark {
            background: var(--primary);
        }
        .footer-desc {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.6);
            line-height: 1.7;
            max-width: 280px;
        }
        .footer-heading {
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .contact-info {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.6);
            line-height: 1.7;
        }
        .footer-friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-friend-links a {
            font-size: 0.8rem;
            color: rgba(255,255,255,0.6);
            padding: 4px 10px;
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: 999px;
            transition: var(--transition);
        }
        .footer-friend-links a:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        .footer-bottom {
            display: flex;
            flex-direction: column;
            gap: 12px;
            align-items: flex-start;
            padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,0.12);
            font-size: 0.85rem;
            color: rgba(255,255,255,0.5);
        }
        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
            }
        }
        .footer-bottom-links {
            display: flex;
            gap: 8px;
            align-items: center;
        }
        .footer-bottom-links a {
            color: rgba(255,255,255,0.5);
            font-size: 0.85rem;
            transition: var(--transition);
        }
        .footer-bottom-links a:hover {
            color: var(--accent);
        }
        .footer-bottom-links span {
            color: rgba(255,255,255,0.3);
        }
        /* Subscription form */
        .sub-form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        @media (min-width: 640px) {
            .sub-form {
                flex-direction: row;
            }
        }
        .sub-form input {
            flex: 1;
            padding: 12px 16px;
            border: 1px solid rgba(255,255,255,0.25);
            border-radius: 8px;
            background: rgba(255,255,255,0.08);
            color: #fff;
            font-size: 0.95rem;
            transition: var(--transition);
        }
        .sub-form input::placeholder {
            color: rgba(255,255,255,0.5);
        }
        .sub-form input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 2px rgba(245,197,24,0.3);
        }
        .sub-form .btn-primary {
            white-space: nowrap;
            flex-shrink: 0;
            background: var(--accent);
            color: #1F2937;
        }
        .sub-form .btn-primary:hover {
            background: var(--accent-dark);
        }
        /* Utility */
        .text-primary { color: var(--primary); }
        .text-accent { color: var(--accent); }
        .bg-primary-light { background: var(--primary-light); }
        .font-bold { font-weight: 700; }
        .font-semibold { font-weight: 600; }
        .mt-4 { margin-top: 16px; }
        .mt-8 { margin-top: 32px; }
        .mb-6 { margin-bottom: 24px; }
        .mb-8 { margin-bottom: 32px; }
        .gap-4 { gap: 16px; }
        .gap-6 { gap: 24px; }
        .flex { display: flex; }
        .flex-col { flex-direction: column; }
        .items-center { align-items: center; }
        .justify-between { justify-content: space-between; }
        .grid { display: grid; }
        .grid-cols-1 { grid-template-columns: 1fr; }
        @media (min-width: 640px) {
            .grid-cols-2-sm { grid-template-columns: repeat(2, 1fr); }
        }
        @media (min-width: 1024px) {
            .grid-cols-3-lg { grid-template-columns: repeat(3, 1fr); }
        }
        .prose-p {
            font-size: 1rem;
            line-height: 1.8;
            color: var(--text-main);
        }

/* roulang page: category5 */
:root {
            --primary: #0B7A3B;
            --primary-dark: #0A6E35;
            --primary-light: #E8F5EE;
            --accent: #F5C518;
            --accent-dark: #D4A800;
            --dark: #111827;
            --dark-soft: #1A1A1A;
            --bg-light: #F7F7F5;
            --bg-off: #F5F7F6;
            --text-main: #1F2937;
            --text-secondary: #6B7280;
            --border: #E5E7EB;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
            --shadow-lg: 0 8px 20px rgba(0,0,0,0.12);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 0;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, textarea, select {
            font-family: var(--font-sans);
            font-size: 16px;
        }
        .container {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 16px;
            padding-right: 16px;
        }
        @media (min-width: 768px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding-left: 32px;
                padding-right: 32px;
            }
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: #ffffff;
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            height: 64px;
            display: flex;
            align-items: center;
        }
        .site-header .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .brand-logo .logo-mark {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .desktop-nav {
            display: none;
            align-items: center;
            gap: 4px;
        }
        @media (min-width: 768px) {
            .desktop-nav {
                display: flex;
            }
        }
        .desktop-nav a {
            padding: 6px 14px;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            white-space: nowrap;
        }
        .desktop-nav a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .desktop-nav a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .desktop-nav a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .mobile-top-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .mobile-top-bar .brand-logo {
            font-size: 1.1rem;
        }
        .mobile-top-bar .brand-logo .logo-mark {
            width: 28px;
            height: 28px;
            font-size: 14px;
        }
        .mobile-hamburger {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border: 1px solid var(--border);
            border-radius: 8px;
            background: #fff;
            cursor: pointer;
            color: var(--text-main);
            font-size: 20px;
            transition: var(--transition);
        }
        .mobile-hamburger:hover {
            background: var(--bg-off);
        }
        @media (min-width: 768px) {
            .mobile-hamburger {
                display: none;
            }
        }
        .mobile-bottom-tab {
            display: flex;
            align-items: center;
            justify-content: space-around;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 60;
            background: rgba(255,255,255,0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid var(--border);
            box-shadow: 0 -2px 12px rgba(0,0,0,0.08);
            padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
            height: 58px;
        }
        @media (min-width: 768px) {
            .mobile-bottom-tab {
                display: none;
            }
        }
        .mobile-bottom-tab a {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            width: 20%;
            font-size: 0.68rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            padding: 4px 2px;
            transition: var(--transition);
        }
        .mobile-bottom-tab a:hover {
            color: var(--primary);
        }
        .mobile-bottom-tab a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .mobile-bottom-tab a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .mobile-bottom-tab svg {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
        }
        .page-breadcrumb {
            background: var(--bg-off);
            border-bottom: 1px solid var(--border);
            padding: 8px 0;
            font-size: 0.82rem;
            color: var(--text-secondary);
        }
        .page-breadcrumb a {
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .page-breadcrumb a:hover {
            color: var(--primary);
        }
        .page-breadcrumb .separator {
            margin: 0 6px;
            color: #9CA3AF;
        }
        .community-hero {
            position: relative;
            background-image: url('/assets/images/0bc77d2b9b8cf0f2.jpg');
            background-size: cover;
            background-position: center;
            padding: 48px 0 40px;
            color: #fff;
            overflow: hidden;
        }
        .community-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10,110,53,0.92) 0%, rgba(17,24,39,0.78) 100%);
            z-index: 1;
        }
        .community-hero .container {
            position: relative;
            z-index: 2;
        }
        .community-hero h1 {
            font-size: 1.9rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            margin-bottom: 8px;
            line-height: 1.3;
        }
        @media (min-width: 768px) {
            .community-hero h1 {
                font-size: 2.4rem;
            }
        }
        .community-hero p {
            font-size: 0.98rem;
            line-height: 1.7;
            max-width: 680px;
            margin-bottom: 16px;
            color: rgba(255,255,255,0.92);
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255,255,255,0.16);
            border: 1px solid rgba(255,255,255,0.28);
            border-radius: 999px;
            padding: 5px 14px;
            font-size: 0.8rem;
            color: #fff;
            font-weight: 500;
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
        }
        .hero-badge .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }
        .community-list-section {
            padding: 40px 0 48px;
            background: #fff;
        }
        .community-list-section .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 20px;
        }
        .community-list-section .section-head h2 {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: -0.01em;
        }
        .community-list-section .section-head .count-badge {
            font-size: 0.85rem;
            color: var(--text-secondary);
            background: var(--bg-off);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 4px 14px;
        }
        .community-post-card {
            display: flex;
            flex-direction: column;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px;
            transition: var(--transition);
            margin-bottom: 14px;
            cursor: pointer;
        }
        .community-post-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .community-post-card .post-meta-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            margin-bottom: 8px;
        }
        .community-post-card .post-date {
            font-size: 0.8rem;
            color: var(--text-secondary);
            background: var(--bg-off);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 3px 12px;
            white-space: nowrap;
        }
        .community-post-card .post-tag {
            font-size: 0.78rem;
            color: var(--primary);
            background: var(--primary-light);
            border-radius: 999px;
            padding: 3px 12px;
            font-weight: 500;
            white-space: nowrap;
        }
        .community-post-card .post-title {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
            margin-bottom: 8px;
        }
        .community-post-card .post-excerpt {
            font-size: 0.94rem;
            line-height: 1.7;
            color: var(--text-secondary);
            margin-bottom: 12px;
        }
        .community-post-card .post-action {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--primary);
            transition: var(--transition);
        }
        .community-post-card .post-action:hover {
            color: var(--primary-dark);
            gap: 10px;
        }
        .community-post-card .post-action svg {
            width: 16px;
            height: 16px;
        }
        @media (min-width: 640px) {
            .community-post-card {
                flex-direction: row;
                align-items: flex-start;
                gap: 20px;
                padding: 20px 22px;
            }
            .community-post-card .post-content {
                flex: 1;
                min-width: 0;
            }
            .community-post-card .post-thumb {
                flex-shrink: 0;
                width: 200px;
                height: 130px;
                border-radius: var(--radius-sm);
                overflow: hidden;
            }
            .community-post-card .post-thumb img {
                width: 100%;
                height: 100%;
                object-fit: cover;
            }
        }
        .community-post-card .post-thumb {
            margin-bottom: 12px;
            border-radius: var(--radius-sm);
            overflow: hidden;
        }
        .community-post-card .post-thumb img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        @media (min-width: 640px) {
            .community-post-card .post-thumb {
                margin-bottom: 0;
            }
        }
        .tag-filter-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            margin: 24px 0 28px;
        }
        .tag-filter-bar .filter-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-secondary);
            margin-right: 4px;
        }
        .tag-filter-bar .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: #fff;
            border: 1px solid var(--border);
            cursor: pointer;
            transition: var(--transition);
            user-select: none;
        }
        .tag-filter-bar .filter-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .tag-filter-bar .filter-tag.active-tag {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }
        .tag-filter-bar .filter-tag:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .editor-pick-section {
            padding: 40px 0 48px;
            background: var(--bg-off);
        }
        .editor-pick-section .section-head h2 {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: -0.01em;
            margin-bottom: 18px;
        }
        .editor-pick-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 18px;
        }
        @media (min-width: 640px) {
            .editor-pick-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .editor-pick-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .editor-pick-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .editor-pick-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .editor-pick-card .editor-img {
            height: 170px;
            overflow: hidden;
        }
        .editor-pick-card .editor-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .editor-pick-card:hover .editor-img img {
            transform: scale(1.04);
        }
        .editor-pick-card .editor-body {
            padding: 16px 18px 18px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .editor-pick-card .editor-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.45;
            margin-bottom: 8px;
        }
        .editor-pick-card .editor-body p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 12px;
            flex: 1;
        }
        .editor-pick-card .editor-body .editor-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .editor-pick-card .editor-body .editor-link:hover {
            color: var(--primary-dark);
        }
        .community-stats-section {
            padding: 48px 0;
            background: var(--dark);
            color: #fff;
        }
        .community-stats-section h2 {
            font-size: 1.45rem;
            font-weight: 700;
            margin-bottom: 24px;
            color: #fff;
        }
        .community-stats-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        @media (min-width: 640px) {
            .community-stats-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 20px;
            }
        }
        .community-stat-item {
            background: var(--dark-soft);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
            transition: var(--transition);
        }
        .community-stat-item:hover {
            border-color: rgba(245,197,24,0.5);
            box-shadow: 0 4px 14px rgba(0,0,0,0.3);
        }
        .community-stat-item .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
        .community-stat-item .stat-label {
            font-size: 0.82rem;
            color: rgba(255,255,255,0.75);
            margin-top: 4px;
        }
        .community-rules-section {
            padding: 44px 0 48px;
            background: #fff;
        }
        .community-rules-section h2 {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 20px;
        }
        .rules-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 14px;
        }
        @media (min-width: 640px) {
            .rules-list {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        .rule-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            background: var(--bg-off);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px 18px;
            transition: var(--transition);
        }
        .rule-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .rule-item .rule-icon {
            flex-shrink: 0;
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
        }
        .rule-item .rule-content h3 {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 2px;
        }
        .rule-item .rule-content p {
            font-size: 0.86rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .community-cta-section {
            padding: 48px 0;
            background: var(--bg-off);
        }
        .community-cta-inner {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
        }
        .community-cta-inner h2 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .community-cta-inner p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-bottom: 18px;
            line-height: 1.7;
        }
        .subscribe-form {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 220px;
            padding: 12px 16px;
            border: 1px solid #D1D5DB;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            color: var(--text-main);
            background: #fff;
            transition: var(--transition);
            outline: none;
        }
        .subscribe-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(11,122,59,0.15);
        }
        .subscribe-form button {
            padding: 12px 24px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .subscribe-form button:hover {
            background: var(--primary-dark);
        }
        .subscribe-form button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .faq-section {
            padding: 44px 0 48px;
            background: #fff;
        }
        .faq-section h2 {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 20px;
        }
        .faq-list details {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            background: #fff;
            margin-bottom: 10px;
            transition: var(--transition);
            overflow: hidden;
        }
        .faq-list details:hover {
            border-color: var(--primary);
        }
        .faq-list summary {
            padding: 16px 20px;
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--text-main);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            transition: var(--transition);
        }
        .faq-list summary::-webkit-details-marker {
            display: none;
        }
        .faq-list summary .faq-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            transition: var(--transition);
            color: var(--text-secondary);
        }
        .faq-list details[open] summary .faq-icon {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-list details[open] summary {
            color: var(--primary);
        }
        .faq-list .faq-answer {
            padding: 0 20px 16px;
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .related-read-section {
            padding: 40px 0 48px;
            background: var(--bg-off);
        }
        .related-read-section h2 {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 18px;
        }
        .related-read-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 12px;
        }
        @media (min-width: 640px) {
            .related-read-list {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        .related-read-item {
            display: flex;
            align-items: center;
            gap: 12px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 14px 16px;
            transition: var(--transition);
        }
        .related-read-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
            transform: translateY(-1px);
        }
        .related-read-item .rr-icon {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            background: var(--primary-light);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
        }
        .related-read-item .rr-icon svg {
            width: 18px;
            height: 18px;
        }
        .related-read-item .rr-content h4 {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.4;
            margin-bottom: 2px;
        }
        .related-read-item .rr-content span {
            font-size: 0.78rem;
            color: var(--text-secondary);
        }
        .site-footer {
            background: var(--dark);
            color: rgba(255,255,255,0.85);
            padding: 40px 0 24px;
            margin-bottom: 58px;
        }
        @media (min-width: 768px) {
            .site-footer {
                margin-bottom: 0;
            }
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 28px;
            margin-bottom: 28px;
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1.4fr 1fr 1fr 1fr;
                gap: 32px;
            }
        }
        .footer-brand .brand-logo {
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-brand .brand-logo .logo-mark {
            background: var(--primary);
        }
        .footer-desc {
            font-size: 0.88rem;
            color: rgba(255,255,255,0.7);
            line-height: 1.7;
            max-width: 300px;
        }
        .footer-heading {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            font-size: 0.88rem;
            color: rgba(255,255,255,0.7);
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .contact-info {
            font-size: 0.86rem;
            color: rgba(255,255,255,0.7);
            line-height: 1.7;
        }
        .footer-friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-friend-links a {
            font-size: 0.82rem;
            color: rgba(255,255,255,0.7);
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: 999px;
            padding: 5px 14px;
            transition: var(--transition);
            white-space: nowrap;
        }
        .footer-friend-links a:hover {
            color: var(--accent);
            border-color: rgba(245,197,24,0.5);
            background: rgba(255,255,255,0.1);
        }
        .footer-bottom {
            display: flex;
            flex-direction: column;
            gap: 8px;
            padding-top: 18px;
            border-top: 1px solid rgba(255,255,255,0.12);
            font-size: 0.82rem;
            color: rgba(255,255,255,0.6);
        }
        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-bottom-links a {
            color: rgba(255,255,255,0.6);
            transition: var(--transition);
        }
        .footer-bottom-links a:hover {
            color: var(--accent);
        }
        @media (min-width: 640px) {
            .footer-bottom {
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
            }
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 0.625rem 1.25rem;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 0.625rem 1.25rem;
            background: #fff;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-secondary:hover {
            background: var(--primary-light);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }