/* roulang page: index */
:root {
            --bg-primary: #0a0a0f;
            --bg-secondary: #14141f;
            --bg-card: #1a1a2e;
            --text-primary: #f0e6d3;
            --text-secondary: #bdb8a8;
            --accent: #d4af37;
            --accent-hover: #f0c75e;
            --border-color: rgba(212, 175, 55, 0.25);
            --border-radius: 12px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.5);
            --container-max: 1200px;
            --nav-height: 72px;
        }

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

        body {
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

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

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 clamp(16px, 5vw, 40px);
        }

        /* ---------- 导航 ---------- */
        header {
            background: rgba(10,10,15,0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 100;
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

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

        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: 1px;
            color: var(--accent);
            text-transform: uppercase;
            background: linear-gradient(135deg, #d4af37, #f0c75e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            cursor: pointer;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2.5rem;
        }

        .nav-links a {
            font-weight: 600;
            position: relative;
            padding: 0.25rem 0;
            transition: color 0.2s;
            font-size: 1.05rem;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.25s ease;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: var(--text-primary);
            cursor: pointer;
        }

        /* ---------- Hero ---------- */
        .hero {
            min-height: 85vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            background-attachment: fixed;
            isolation: isolate;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at center, rgba(10,10,15,0.7) 0%, rgba(10,10,15,0.92) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }

        .hero h1 {
            font-size: clamp(2.8rem, 6vw, 4.8rem);
            font-weight: 900;
            text-transform: uppercase;
            letter-spacing: 4px;
            background: linear-gradient(180deg, #fff 0%, #d4af37 80%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 1.5rem;
            text-shadow: 0 0 30px rgba(212,175,55,0.5);
        }

        .hero p {
            font-size: 1.35rem;
            color: var(--text-secondary);
            margin-bottom: 2.5rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-primary {
            display: inline-block;
            background: linear-gradient(135deg, #d4af37, #b68c1b);
            color: #0a0a0f;
            font-weight: 700;
            padding: 0.9rem 2.8rem;
            border-radius: 50px;
            font-size: 1.15rem;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(212,175,55,0.4);
            border: none;
            cursor: pointer;
            text-transform: uppercase;
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #f0c75e, #d4af37);
            box-shadow: 0 6px 25px rgba(212,175,55,0.7);
            transform: translateY(-2px);
        }

        /* ---------- 板块通用 ---------- */
        .section {
            padding: 5rem 0;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            text-align: center;
            margin-bottom: 0.75rem;
            color: #f0e6d3;
            letter-spacing: 1px;
        }

        .section-subtitle {
            text-align: center;
            color: var(--text-secondary);
            font-size: 1.1rem;
            margin-bottom: 3rem;
        }

        /* ---------- 特色卡片 ---------- */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }

        .feature-card {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            padding: 2.5rem 1.8rem;
            text-align: center;
            border: 1px solid rgba(212,175,55,0.15);
            transition: transform 0.3s, box-shadow 0.3s;
            backdrop-filter: blur(4px);
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.6), 0 0 20px rgba(212,175,55,0.1);
            border-color: var(--accent);
        }

        .feature-card .icon {
            font-size: 2.8rem;
            margin-bottom: 1.2rem;
        }

        .feature-card h3 {
            font-size: 1.5rem;
            margin-bottom: 0.8rem;
            color: #f0e6d3;
        }

        .feature-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        /* ---------- 分类入口 / 卡片网格 ---------- */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2.5rem;
            margin-top: 2rem;
        }

        .category-card {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            overflow: hidden;
            border: 1px solid rgba(212,175,55,0.2);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .category-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 45px rgba(0,0,0,0.7);
            border-color: var(--accent);
        }

        .category-card img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            border-bottom: 2px solid var(--accent);
        }

        .category-card .body {
            padding: 1.8rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .category-card h3 {
            font-size: 1.6rem;
            margin-bottom: 0.5rem;
        }

        .category-card p {
            color: var(--text-secondary);
            margin-bottom: 1.5rem;
            flex: 1;
        }

        /* ---------- 资讯列表 ---------- */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
            max-width: 900px;
            margin: 0 auto;
        }

        .news-item {
            background: var(--bg-secondary);
            border-radius: 10px;
            padding: 1.4rem 2rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-left: 4px solid var(--accent);
            transition: background 0.2s, transform 0.2s;
        }

        .news-item:hover {
            background: #1e1e30;
            transform: translateX(6px);
        }

        .news-content {
            flex: 1;
        }

        .news-title {
            font-weight: 700;
            font-size: 1.15rem;
            color: #f0e6d3;
            margin-bottom: 0.25rem;
            display: block;
        }

        .news-meta {
            font-size: 0.85rem;
            color: #bdb8a8;
        }

        .news-arrow {
            color: var(--accent);
            font-size: 1.3rem;
            margin-left: 1.5rem;
        }

        .empty-news {
            text-align: center;
            color: var(--text-secondary);
            padding: 2rem;
            background: var(--bg-card);
            border-radius: 8px;
            font-style: italic;
        }

        /* ---------- 统计数据 ---------- */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 2rem;
            text-align: center;
        }

        .stat-item {
            background: var(--bg-card);
            padding: 2.5rem 1.5rem;
            border-radius: var(--border-radius);
            border: 1px solid rgba(212,175,55,0.25);
        }

        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }

        .stat-label {
            color: var(--text-secondary);
            text-transform: uppercase;
            font-size: 0.95rem;
            letter-spacing: 1px;
            margin-top: 0.5rem;
        }

        /* ---------- FAQ ---------- */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: 10px;
            padding: 1.2rem 1.8rem;
            border: 1px solid rgba(212,175,55,0.15);
            cursor: pointer;
            transition: 0.2s;
        }

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

        .faq-question {
            font-weight: 700;
            font-size: 1.15rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-answer {
            margin-top: 0.8rem;
            color: var(--text-secondary);
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* ---------- CTA ---------- */
        .cta-section {
            background: linear-gradient(135deg, #1a1a2e, #0a0a15);
            border-top: 2px solid var(--accent);
            border-bottom: 2px solid var(--accent);
            text-align: center;
            padding: 4rem 0;
        }

        /* ---------- 页脚 ---------- */
        footer {
            background: #08080c;
            padding: 3rem 0 1.5rem;
            border-top: 1px solid rgba(212,175,55,0.15);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2rem;
        }

        .footer-col h4 {
            color: var(--accent);
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
        }

        .footer-col p, .footer-col a {
            color: var(--text-secondary);
            font-size: 0.95rem;
            display: block;
            margin-bottom: 0.5rem;
            transition: color 0.2s;
        }

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

        .copyright {
            text-align: center;
            color: #7a7a7a;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.05);
            font-size: 0.9rem;
        }

        /* ---------- 响应式 ---------- */
        @media (max-width: 1024px) {
            .hero h1 {
                letter-spacing: 2px;
            }
            .nav-links {
                gap: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
            .nav-links {
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(10,10,15,0.98);
                flex-direction: column;
                padding: 2rem;
                gap: 1.5rem;
                display: none;
                backdrop-filter: blur(20px);
            }
            .nav-links.open {
                display: flex;
            }
            .hero {
                min-height: 70vh;
                background-attachment: scroll;
            }
            .section {
                padding: 3.5rem 0;
            }
            .news-item {
                flex-direction: column;
                align-items: flex-start;
            }
            .news-arrow {
                align-self: flex-end;
                margin-left: 0;
                margin-top: 0.5rem;
            }
        }

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 2.4rem;
            }
            .btn-primary {
                padding: 0.8rem 2rem;
            }
        }

/* roulang page: article */
:root {
            --color-primary: #d4a843;
            --color-primary-hover: #e8c565;
            --color-primary-glow: rgba(212, 168, 67, 0.25);
            --color-primary-subtle: rgba(212, 168, 67, 0.08);
            --color-bg: #0a0a14;
            --color-bg-alt: #0f0f1e;
            --color-bg-elevated: #151528;
            --color-card: #181830;
            --color-card-hover: #1e1e3a;
            --color-text: #e2e2ec;
            --color-text-heading: #f0f0f8;
            --color-text-muted: #8a8aa0;
            --color-text-weak: #5e5e72;
            --color-border: #252540;
            --color-border-light: #2e2e48;
            --color-success: #4ade80;
            --color-warning: #f59e0b;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.55);
            --shadow-glow: 0 0 40px rgba(212, 168, 67, 0.12);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --max-width-article: 820px;
            --header-height: 68px;
        }

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

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

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

        input,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .container--narrow {
            max-width: var(--max-width-article);
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10, 10, 20, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: background var(--transition), border-color var(--transition);
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-text-heading);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition);
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary), #b8861f);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #0a0a14;
            flex-shrink: 0;
            box-shadow: 0 0 18px var(--color-primary-glow);
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-links a {
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-muted);
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--color-text-heading);
            background: rgba(255, 255, 255, 0.04);
        }

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

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--color-primary);
            box-shadow: 0 0 10px var(--color-primary-glow);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--color-text);
            font-size: 1.5rem;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: color var(--transition);
        }

        .nav-toggle:hover {
            color: var(--color-primary);
        }

        /* Article Banner */
        .article-banner {
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            min-height: 340px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            overflow: hidden;
        }

        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    rgba(10, 10, 20, 0.55) 0%,
                    rgba(10, 10, 20, 0.78) 40%,
                    rgba(10, 10, 20, 0.95) 100%);
        }

        .article-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center,
                    rgba(212, 168, 67, 0.08) 0%,
                    transparent 70%);
        }

        .article-banner-content {
            position: relative;
            z-index: 2;
            padding: 40px 24px;
            max-width: 750px;
        }

        .article-category-tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            background: rgba(212, 168, 67, 0.15);
            color: var(--color-primary);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            border: 1px solid rgba(212, 168, 67, 0.3);
            margin-bottom: 16px;
        }

        .article-banner h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.35;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
        }

        .article-meta-row {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            color: var(--color-text-muted);
            font-size: 0.9rem;
        }

        .article-meta-row span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta-row i {
            color: var(--color-primary);
            font-size: 0.8rem;
        }

        /* Main Content Area */
        .article-main {
            flex: 1;
            padding: 50px 0 60px;
        }

        .article-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            padding: 40px 44px;
            box-shadow: var(--shadow);
            position: relative;
        }

        .article-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg,
                    transparent,
                    var(--color-primary),
                    transparent);
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
            opacity: 0.6;
        }

        .article-body {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--color-text);
        }

        .article-body h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-text-heading);
            margin: 36px 0 16px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--color-border-light);
            letter-spacing: 0.01em;
        }

        .article-body h3 {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--color-text-heading);
            margin: 28px 0 12px;
        }

        .article-body p {
            margin-bottom: 16px;
        }

        .article-body ul,
        .article-body ol {
            margin: 12px 0 20px 20px;
        }

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

        .article-body strong {
            color: var(--color-primary);
            font-weight: 600;
        }

        .article-body blockquote {
            border-left: 3px solid var(--color-primary);
            padding: 16px 20px;
            margin: 20px 0;
            background: var(--color-primary-subtle);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--color-text-muted);
            font-style: italic;
        }

        .article-body img {
            border-radius: var(--radius);
            margin: 20px 0;
            box-shadow: var(--shadow-sm);
        }

        .article-body code {
            background: var(--color-bg-alt);
            padding: 3px 8px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--color-primary);
            border: 1px solid var(--color-border);
        }

        .article-body pre {
            background: var(--color-bg-alt);
            padding: 20px;
            border-radius: var(--radius);
            overflow-x: auto;
            border: 1px solid var(--color-border);
            margin: 16px 0;
            font-size: 0.9rem;
        }

        .article-not-found {
            text-align: center;
            padding: 80px 24px;
        }

        .article-not-found .icon-large {
            font-size: 4rem;
            color: var(--color-text-weak);
            margin-bottom: 20px;
            display: block;
        }

        .article-not-found h2 {
            font-size: 1.6rem;
            color: var(--color-text-heading);
            margin-bottom: 10px;
        }

        .article-not-found p {
            color: var(--color-text-muted);
            margin-bottom: 24px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            letter-spacing: 0.02em;
            border: 1px solid transparent;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--color-primary), #b8861f);
            color: #0a0a14;
            border-color: transparent;
            box-shadow: 0 4px 16px rgba(212, 168, 67, 0.3);
        }

        .btn-primary:hover {
            box-shadow: 0 6px 24px rgba(212, 168, 67, 0.45);
            transform: translateY(-2px);
            filter: brightness(1.08);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }

        .btn-outline:hover {
            background: var(--color-primary-subtle);
            border-color: var(--color-primary-hover);
            color: var(--color-primary-hover);
        }

        /* Related Posts Section */
        .section-related {
            padding: 50px 0 60px;
            background: var(--color-bg-alt);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

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

        .section-header h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-text-heading);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .section-header .section-subtitle {
            color: var(--color-text-muted);
            font-size: 0.95rem;
        }

        .section-header .divider-accent {
            width: 50px;
            height: 3px;
            background: var(--color-primary);
            border-radius: 2px;
            margin: 14px auto 0;
            box-shadow: 0 0 12px var(--color-primary-glow);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .related-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }

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

        .related-card-image {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
            border-bottom: 1px solid var(--color-border);
        }

        .related-card-body {
            padding: 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .related-card-category {
            font-size: 0.78rem;
            color: var(--color-primary);
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 6px;
        }

        .related-card-title {
            font-size: 1.02rem;
            font-weight: 600;
            color: var(--color-text-heading);
            line-height: 1.4;
            margin-bottom: 8px;
            flex: 1;
        }

        .related-card-meta {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* CTA Section */
        .section-cta {
            padding: 60px 0;
            text-align: center;
            background: var(--color-bg);
            position: relative;
            overflow: hidden;
        }

        .section-cta::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 500px;
            height: 500px;
            background: radial-gradient(circle,
                    rgba(212, 168, 67, 0.06) 0%,
                    transparent 70%);
            pointer-events: none;
        }

        .cta-card {
            position: relative;
            z-index: 1;
            background: var(--color-card);
            border-radius: var(--radius-xl);
            border: 1px solid var(--color-border);
            padding: 48px 40px;
            box-shadow: var(--shadow-lg);
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-card h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-text-heading);
            margin-bottom: 12px;
        }

        .cta-card p {
            color: var(--color-text-muted);
            margin-bottom: 24px;
            font-size: 1rem;
            line-height: 1.6;
        }

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

        /* Footer */
        .site-footer {
            background: var(--color-bg-alt);
            border-top: 1px solid var(--color-border);
            padding: 50px 0 24px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-col h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text-heading);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-col p {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 6px;
        }

        .footer-col a {
            display: block;
            color: var(--color-text-muted);
            font-size: 0.9rem;
            padding: 5px 0;
            transition: color var(--transition);
            line-height: 1.5;
        }

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

        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--color-border);
            color: var(--color-text-weak);
            font-size: 0.85rem;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .article-banner h1 {
                font-size: 2rem;
            }

            .article-card {
                padding: 32px 28px;
            }

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

        @media (max-width: 768px) {
            :root {
                --header-height: 60px;
            }

            .container {
                padding: 0 16px;
            }

            .nav-links {
                gap: 2px;
            }

            .nav-links a {
                padding: 8px 12px;
                font-size: 0.88rem;
            }

            .logo {
                font-size: 1.1rem;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.95rem;
            }

            .article-banner {
                min-height: 240px;
            }

            .article-banner h1 {
                font-size: 1.6rem;
            }

            .article-banner-content {
                padding: 28px 16px;
            }

            .article-card {
                padding: 24px 18px;
                border-radius: var(--radius);
            }

            .article-body {
                font-size: 0.98rem;
                line-height: 1.75;
            }

            .article-body h2 {
                font-size: 1.35rem;
            }

            .article-body h3 {
                font-size: 1.15rem;
            }

            .related-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .related-card-image {
                height: 200px;
            }

            .cta-card {
                padding: 32px 20px;
            }

            .cta-card h3 {
                font-size: 1.35rem;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }

            .section-related {
                padding: 36px 0 44px;
            }

            .section-cta {
                padding: 40px 0;
            }

            .article-meta-row {
                gap: 12px;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 520px) {
            .site-header {
                padding: 0 4px;
            }

            .header-inner {
                padding: 0 4px;
            }

            .logo {
                font-size: 0.95rem;
                gap: 6px;
            }

            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.8rem;
                border-radius: 6px;
            }

            .nav-links a {
                padding: 7px 10px;
                font-size: 0.8rem;
                border-radius: 6px;
            }

            .nav-links {
                gap: 1px;
            }

            .article-banner {
                min-height: 200px;
            }

            .article-banner h1 {
                font-size: 1.3rem;
            }

            .article-category-tag {
                font-size: 0.75rem;
                padding: 4px 12px;
            }

            .article-card {
                padding: 18px 14px;
                border-radius: var(--radius-sm);
            }

            .article-body {
                font-size: 0.93rem;
            }

            .related-card-image {
                height: 170px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .cta-actions {
                flex-direction: column;
                align-items: center;
            }

            .btn {
                width: 100%;
                justify-content: center;
                padding: 11px 18px;
                font-size: 0.9rem;
            }

            .section-header h2 {
                font-size: 1.4rem;
            }

            .article-meta-row {
                gap: 8px;
                font-size: 0.78rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0a0a0f;
            --bg-secondary: #111118;
            --bg-tertiary: #16161f;
            --bg-card: #1a1a26;
            --bg-card-hover: #1f1f2e;
            --bg-elevated: #212132;
            --text-primary: #e8e6e0;
            --text-secondary: #b8b5aa;
            --text-muted: #7a7670;
            --text-inverse: #0a0a0f;
            --accent-gold: #c9a55c;
            --accent-gold-light: #d4af6e;
            --accent-gold-bright: #e2c47a;
            --accent-amber: #b8860b;
            --accent-fire: #d4593a;
            --accent-ice: #5b9bd5;
            --accent-success: #4a9c6c;
            --accent-warning: #d4a03c;
            --accent-danger: #c0392b;
            --border-subtle: rgba(255, 255, 255, 0.06);
            --border-default: rgba(255, 255, 255, 0.10);
            --border-strong: rgba(255, 255, 255, 0.16);
            --border-accent: rgba(201, 165, 92, 0.35);
            --border-gold: rgba(201, 165, 92, 0.5);
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
            --shadow-gold: 0 0 20px rgba(201, 165, 92, 0.12);
            --shadow-gold-lg: 0 0 40px rgba(201, 165, 92, 0.18);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-display: 'PingFang SC', 'Microsoft YaHei', 'STHeiti', 'SimHei', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.4s ease;
            --spacing-xs: 4px;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 32px;
            --spacing-2xl: 48px;
            --spacing-3xl: 64px;
            --spacing-4xl: 80px;
            --container-max: 1240px;
            --container-narrow: 960px;
            --nav-height: 68px;
            --banner-height: 420px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            min-height: 100vh;
            overflow-x: hidden;
            background-image:
                radial-gradient(ellipse at 15% 20%, rgba(201, 165, 92, 0.03) 0%, transparent 50%),
                radial-gradient(ellipse at 75% 60%, rgba(180, 130, 50, 0.03) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 85%, rgba(160, 100, 40, 0.02) 0%, transparent 40%);
            background-attachment: fixed;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-display);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: var(--spacing-lg);
            padding-right: var(--spacing-lg);
        }

        .container-narrow {
            max-width: var(--container-narrow);
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ========== HEADER & NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 10, 15, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(10, 10, 15, 0.95);
            box-shadow: 0 1px 20px rgba(0, 0, 0, 0.5);
            border-bottom-color: var(--border-default);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
            height: 100%;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-display);
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            transition: color var(--transition-fast);
            white-space: nowrap;
            z-index: 1001;
        }

        .logo-link:hover {
            color: var(--accent-gold-light);
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-amber) 60%, #8b6508 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: 900;
            color: #0a0a0f;
            flex-shrink: 0;
            position: relative;
            box-shadow: 0 0 16px rgba(201, 165, 92, 0.25);
        }

        .logo-icon::after {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 8px;
            border: 1px solid rgba(201, 165, 92, 0.3);
            pointer-events: none;
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.1;
        }

        .logo-main {
            font-size: 1.25rem;
            font-weight: 800;
            letter-spacing: 0.6px;
        }

        .logo-sub {
            font-size: 0.62rem;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 1.5px;
            text-transform: uppercase;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: var(--radius-md);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            position: relative;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
        }

        .nav-links a.active {
            color: var(--accent-gold-light);
            background: rgba(201, 165, 92, 0.08);
            font-weight: 600;
            box-shadow: inset 0 0 0 1px rgba(201, 165, 92, 0.2);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 1px;
        }

        .nav-search-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-secondary);
            margin-left: 8px;
            transition: all var(--transition-fast);
            font-size: 0.95rem;
            border: 1px solid transparent;
        }

        .nav-search-btn:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--border-default);
        }

        .mobile-menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 32px;
            height: 24px;
            justify-content: center;
            align-items: center;
            z-index: 1001;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px;
        }

        .mobile-menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 1px;
            transition: all var(--transition-base);
            transform-origin: center;
        }

        .mobile-menu-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

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

        .mobile-menu-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            height: var(--banner-height);
            display: flex;
            align-items: center;
            overflow: hidden;
            background-color: var(--bg-secondary);
        }

        .page-banner-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center 35%;
            background-repeat: no-repeat;
            z-index: 0;
            filter: brightness(0.35) saturate(1.1);
        }

        .page-banner-overlay {
            position: absolute;
            inset: 0;
            background:
                linear-gradient(180deg, rgba(10, 10, 15, 0.55) 0%, rgba(10, 10, 15, 0.75) 40%, rgba(10, 10, 15, 0.92) 100%);
            z-index: 1;
        }

        .page-banner-vignette {
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse at 30% 50%, rgba(201, 165, 92, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 70% 30%, rgba(180, 130, 50, 0.05) 0%, transparent 50%);
            z-index: 1;
        }

        .page-banner-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: var(--spacing-3xl) 0;
        }

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

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

        .breadcrumb a:hover {
            color: var(--accent-gold-light);
        }

        .breadcrumb .sep {
            color: var(--text-muted);
            opacity: 0.5;
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: var(--accent-gold-light);
            font-weight: 500;
        }

        .page-banner-title {
            font-size: 2.8rem;
            font-weight: 900;
            letter-spacing: 0.8px;
            color: #fff;
            margin-bottom: var(--spacing-md);
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
            line-height: 1.2;
        }

        .page-banner-title .accent {
            color: var(--accent-gold-light);
            position: relative;
        }

        .page-banner-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 580px;
            line-height: 1.6;
            text-shadow: 0 1px 8px rgba(0, 0, 0, 0.4);
        }

        .page-banner-stats {
            display: flex;
            gap: var(--spacing-xl);
            margin-top: var(--spacing-lg);
            flex-wrap: wrap;
        }

        .banner-stat {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .banner-stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold-light);
            font-family: var(--font-display);
            letter-spacing: 0.5px;
        }

        .banner-stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.3;
        }

        /* ========== SECTION STYLES ========== */
        .section {
            padding: var(--spacing-4xl) 0;
        }

        .section-alt {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-3xl);
        }

        .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-sm);
            padding: 4px 14px;
            border: 1px solid var(--border-accent);
            border-radius: 20px;
            background: rgba(201, 165, 92, 0.05);
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: 0.4px;
            color: var(--text-primary);
            margin-bottom: var(--spacing-md);
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.6;
        }

        /* ========== FILTER TAGS ========== */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            justify-content: center;
            margin-bottom: var(--spacing-2xl);
        }

        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .filter-tag:hover {
            color: var(--text-primary);
            background: var(--bg-card-hover);
            border-color: var(--border-default);
            box-shadow: var(--shadow-sm);
        }

        .filter-tag.active {
            color: #0a0a0f;
            background: var(--accent-gold);
            border-color: var(--accent-gold);
            font-weight: 600;
            box-shadow: var(--shadow-gold);
        }

        .filter-tag .tag-icon {
            font-size: 0.85rem;
        }

        /* ========== GUIDE CARDS GRID ========== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-xl);
        }

        .guide-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .guide-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg), var(--shadow-gold);
            border-color: var(--border-accent);
            background: var(--bg-card-hover);
        }

        .guide-card-img-wrap {
            position: relative;
            width: 100%;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--bg-tertiary);
        }

        .guide-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .guide-card:hover .guide-card-img-wrap img {
            transform: scale(1.06);
        }

        .guide-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            z-index: 2;
            color: #fff;
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
        }

        .badge-hot {
            background: rgba(212, 89, 58, 0.85);
        }

        .badge-new {
            background: rgba(74, 156, 108, 0.85);
        }

        .badge-top {
            background: rgba(201, 165, 92, 0.85);
            color: #0a0a0f;
        }

        .guide-card-difficulty {
            position: absolute;
            top: 12px;
            right: 12px;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 0.4px;
            z-index: 2;
            background: rgba(0, 0, 0, 0.7);
            color: var(--text-secondary);
            border: 1px solid rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
        }

        .diff-easy {
            color: #5b9bd5;
            border-color: rgba(91, 155, 213, 0.35);
        }

        .diff-medium {
            color: #d4a03c;
            border-color: rgba(212, 160, 60, 0.35);
        }

        .diff-hard {
            color: #d4593a;
            border-color: rgba(212, 89, 58, 0.35);
        }

        .guide-card-body {
            padding: var(--spacing-lg);
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .guide-card-category {
            font-size: 0.75rem;
            font-weight: 500;
            color: var(--accent-gold);
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }

        .guide-card-title {
            font-size: 1.1rem;
            font-weight: 700;
            line-height: 1.45;
            color: var(--text-primary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .guide-card-excerpt {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.55;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .guide-card-meta {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            font-size: 0.8rem;
            color: var(--text-muted);
            padding-top: var(--spacing-sm);
            border-top: 1px solid var(--border-subtle);
        }

        .guide-card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .guide-card-link {
            position: absolute;
            inset: 0;
            z-index: 5;
        }

        /* ========== HOT RANKING ========== */
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
            max-width: 800px;
            margin: 0 auto;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
            padding: var(--spacing-lg);
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-base);
            position: relative;
        }

        .ranking-item:hover {
            border-color: var(--border-accent);
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }

        .ranking-num {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            letter-spacing: 0.5px;
            font-family: var(--font-display);
        }

        .ranking-num.top-1 {
            background: linear-gradient(135deg, #c9a55c, #e2c47a);
            color: #0a0a0f;
            box-shadow: 0 0 20px rgba(201, 165, 92, 0.3);
        }

        .ranking-num.top-2 {
            background: linear-gradient(135deg, #9ea7b0, #c5cdd4);
            color: #0a0a0f;
            box-shadow: 0 0 14px rgba(158, 167, 176, 0.25);
        }

        .ranking-num.top-3 {
            background: linear-gradient(135deg, #b87351, #d49a7a);
            color: #0a0a0f;
            box-shadow: 0 0 14px rgba(184, 115, 81, 0.25);
        }

        .ranking-num.normal {
            background: var(--bg-elevated);
            color: var(--text-secondary);
            border: 1px solid var(--border-subtle);
        }

        .ranking-info {
            flex: 1;
            min-width: 0;
        }

        .ranking-title {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .ranking-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .ranking-thumb {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-tertiary);
        }

        .ranking-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .ranking-link {
            position: absolute;
            inset: 0;
            z-index: 3;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
        }

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

        .faq-q {
            width: 100%;
            text-align: left;
            padding: var(--spacing-lg);
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            background: none;
            border: none;
            letter-spacing: 0.3px;
            transition: color var(--transition-fast);
        }

        .faq-q:hover {
            color: var(--accent-gold-light);
        }

        .faq-q .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            transition: all var(--transition-base);
            border: 1px solid var(--border-subtle);
        }

        .faq-item.open .faq-q .faq-icon {
            transform: rotate(45deg);
            background: rgba(201, 165, 92, 0.12);
            border-color: var(--border-accent);
            color: var(--accent-gold-light);
        }

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 var(--spacing-lg);
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.65;
        }

        .faq-item.open .faq-a {
            max-height: 300px;
            padding-bottom: var(--spacing-lg);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
            padding: var(--spacing-4xl) 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse at 50% 50%, rgba(201, 165, 92, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            max-width: 640px;
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }

        .cta-title {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.4px;
            color: var(--text-primary);
        }

        .cta-desc {
            font-size: 1rem;
            color: var(--text-muted);
            margin-bottom: var(--spacing-xl);
            line-height: 1.6;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 32px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.4px;
            cursor: pointer;
            transition: all var(--transition-base);
            text-align: center;
            white-space: nowrap;
            border: 1px solid transparent;
        }

        .btn-gold {
            background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-amber) 100%);
            color: #0a0a0f;
            border-color: transparent;
            box-shadow: 0 4px 20px rgba(201, 165, 92, 0.25);
        }

        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(201, 165, 92, 0.4);
            background: linear-gradient(135deg, var(--accent-gold-light) 0%, var(--accent-gold-bright) 100%);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-primary);
            border-color: var(--border-strong);
        }

        .btn-outline:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold-light);
            background: rgba(201, 165, 92, 0.06);
            box-shadow: var(--shadow-gold);
        }

        .btn-lg {
            padding: 16px 40px;
            font-size: 1.05rem;
            border-radius: 32px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-primary);
            border-top: 1px solid var(--border-subtle);
            padding: var(--spacing-3xl) 0 var(--spacing-xl);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: var(--spacing-2xl);
            margin-bottom: var(--spacing-3xl);
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: var(--spacing-md);
            color: var(--text-primary);
            letter-spacing: 0.3px;
        }

        .footer-col p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: var(--spacing-xs);
        }

        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: var(--text-muted);
            padding: 4px 0;
            transition: color var(--transition-fast);
            letter-spacing: 0.2px;
        }

        .footer-col a:hover {
            color: var(--accent-gold-light);
        }

        .copyright {
            text-align: center;
            font-size: 0.82rem;
            color: var(--text-muted);
            padding-top: var(--spacing-xl);
            border-top: 1px solid var(--border-subtle);
            letter-spacing: 0.3px;
        }

        /* ========== PAGINATION ========== */
        .pagination-wrap {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: var(--spacing-sm);
            margin-top: var(--spacing-2xl);
        }

        .pagination-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 14px;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.2px;
        }

        .pagination-btn:hover {
            color: var(--text-primary);
            background: var(--bg-card-hover);
            border-color: var(--border-default);
        }

        .pagination-btn.active {
            color: #0a0a0f;
            background: var(--accent-gold);
            border-color: var(--accent-gold);
            font-weight: 600;
            box-shadow: var(--shadow-gold);
        }

        .pagination-btn.disabled {
            opacity: 0.35;
            pointer-events: none;
            cursor: not-allowed;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            :root {
                --banner-height: 340px;
                --spacing-4xl: 56px;
                --spacing-3xl: 44px;
                --container-max: 100%;
            }

            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-lg);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-xl);
            }

            .page-banner-title {
                font-size: 2.2rem;
            }

            .section-title {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --banner-height: 280px;
                --nav-height: 60px;
                --spacing-4xl: 44px;
                --spacing-3xl: 36px;
            }

            .container {
                padding-left: var(--spacing-md);
                padding-right: var(--spacing-md);
            }

            .header-inner {
                padding: 0 var(--spacing-md);
            }

            .nav-links {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: rgba(16, 16, 24, 0.97);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                padding: 80px var(--spacing-lg) var(--spacing-xl);
                gap: var(--spacing-xs);
                transition: right var(--transition-base);
                z-index: 999;
                border-left: 1px solid var(--border-subtle);
                box-shadow: -4px 0 30px rgba(0, 0, 0, 0.6);
            }

            .nav-links.open {
                right: 0;
            }

            .nav-links a {
                padding: 12px 16px;
                font-size: 1rem;
                border-radius: var(--radius-md);
            }

            .nav-search-btn {
                margin-left: 0;
                margin-top: var(--spacing-sm);
                align-self: center;
            }

            .mobile-menu-toggle {
                display: flex;
            }

            .mobile-overlay {
                display: none;
                position: fixed;
                inset: 0;
                background: rgba(0, 0, 0, 0.55);
                z-index: 998;
            }

            .mobile-overlay.active {
                display: block;
            }

            .guide-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-xl);
            }

            .page-banner-title {
                font-size: 1.8rem;
            }

            .page-banner-desc {
                font-size: 0.95rem;
                max-width: 100%;
            }

            .section-title {
                font-size: 1.5rem;
            }

            .ranking-item {
                flex-wrap: wrap;
                gap: var(--spacing-md);
            }

            .ranking-thumb {
                width: 44px;
                height: 44px;
            }

            .filter-bar {
                gap: 6px;
            }

            .filter-tag {
                padding: 7px 14px;
                font-size: 0.8rem;
            }

            .banner-stat-num {
                font-size: 1.5rem;
            }

            .page-banner-stats {
                gap: var(--spacing-lg);
            }

            .cta-title {
                font-size: 1.5rem;
            }

            .pagination-wrap {
                gap: 4px;
            }

            .pagination-btn {
                min-width: 34px;
                height: 34px;
                font-size: 0.8rem;
                padding: 0 10px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --banner-height: 240px;
                --spacing-4xl: 36px;
                --spacing-3xl: 28px;
            }

            .logo-main {
                font-size: 1.05rem;
            }

            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }

            .page-banner-title {
                font-size: 1.45rem;
            }

            .page-banner-desc {
                font-size: 0.85rem;
            }

            .ranking-num {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }

            .guide-card-body {
                padding: var(--spacing-md);
            }

            .guide-card-title {
                font-size: 0.95rem;
            }
        }

        /* focus accessibility */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-gold-light);
            outline-offset: 2px;
        }