/* roulang page: index */
:root {
            --bg: #1A1A19;
            --bg-alt: #1F201E;
            --bg-section: #262724;
            --bg-card: #2B2C28;
            --bg-card-hover: #33342F;
            --gold: #C89B3C;
            --gold-light: #E5C878;
            --silver: #A8A8A8;
            --bronze: #8C5A2B;
            --text: #EAEAE4;
            --text-muted: #A8A8A8;
            --text-dim: #6E6E68;
            --border: rgba(200, 155, 60, 0.2);
            --border-gold: rgba(200, 155, 60, 0.55);
            --border-silver: rgba(168, 168, 168, 0.25);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 8px 24px rgba(200, 155, 60, 0.18);
            --radius: 14px;
            --radius-lg: 20px;
            --sidebar-width: 236px;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

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

        /* ========== 左侧 App Shell 导航 ========== */
        .app-shell {
            display: flex;
            min-height: 100vh;
        }

        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: #191A1C;
            border-right: 1px solid var(--border-silver);
            z-index: 60;
            display: flex;
            flex-direction: column;
            transition: transform 0.3s ease;
        }

        .sidebar-inner {
            flex: 1;
            display: flex;
            flex-direction: column;
            padding: 24px 18px;
            overflow-y: auto;
        }

        .sidebar-logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.5px;
            margin-bottom: 32px;
            display: flex;
            align-items: center;
            gap: 10px;
            line-height: 1.3;
            flex-shrink: 0;
        }

        .sidebar-logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--gold), #8C5A2B);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #1A1A19;
            font-size: 18px;
            font-weight: 800;
            flex-shrink: 0;
        }

        .sidebar-nav {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
        }

        .sidebar-nav .nav-label {
            font-size: 12px;
            text-transform: uppercase;
            color: var(--text-dim);
            letter-spacing: 1.5px;
            padding: 16px 12px 8px;
            font-weight: 600;
        }

        .sidebar-nav li a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            border-radius: 10px;
            color: var(--silver);
            font-size: 15px;
            font-weight: 500;
            position: relative;
            transition: all 0.25s ease;
            border-left: 3px solid transparent;
        }

        .sidebar-nav li a i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            color: var(--text-dim);
            transition: color 0.25s ease;
        }

        .sidebar-nav li a:hover {
            background: rgba(200, 155, 60, 0.08);
            color: var(--text);
            border-left-color: var(--gold);
        }

        .sidebar-nav li a:hover i {
            color: var(--gold);
        }

        .sidebar-nav li a.active {
            background: rgba(200, 155, 60, 0.12);
            color: var(--gold);
            border-left-color: var(--gold);
            font-weight: 600;
        }

        .sidebar-nav li a.active i {
            color: var(--gold);
        }

        .sidebar-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 10px 14px;
            margin-top: 16px;
            flex-shrink: 0;
        }

        .sidebar-search input {
            background: transparent;
            border: none;
            color: var(--text);
            font-size: 14px;
            width: 100%;
            outline: none;
        }

        .sidebar-search input::placeholder {
            color: var(--text-dim);
        }

        .sidebar-search i {
            color: var(--text-dim);
            font-size: 14px;
        }

        .sidebar-badge {
            display: inline-block;
            background: var(--gold);
            color: #1A1A19;
            font-size: 11px;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: 20px;
            margin-left: auto;
        }

        /* ========== 主内容区 ========== */
        .main-content {
            flex: 1;
            margin-left: var(--sidebar-width);
            min-width: 0;
        }

        /* ========== 移动端顶部栏 ========== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 62px;
            background: rgba(26, 26, 25, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            z-index: 55;
            align-items: center;
            justify-content: space-between;
            padding: 0 18px;
        }

        .mobile-header .logo-text {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .mobile-header .logo-text .logo-icon-sm {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--gold), #8C5A2B);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #1A1A19;
            font-size: 14px;
            font-weight: 800;
        }

        .hamburger {
            width: 40px;
            height: 40px;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: 10px;
            color: var(--silver);
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.25s ease;
        }

        .hamburger:hover {
            border-color: var(--gold);
            color: var(--gold);
        }

        .drawer-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 58;
        }

        .drawer-overlay.show {
            display: block;
        }

        /* ========== 通用 Section ========== */
        .section {
            padding: 64px 36px;
            position: relative;
        }

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            width: 100%;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            line-height: 1.35;
            letter-spacing: 0.3px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 36px;
            max-width: 680px;
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            cursor: pointer;
            border-radius: 12px;
            transition: all 0.25s ease;
            font-size: 15px;
            padding: 12px 24px;
            border: none;
            text-align: center;
        }

        .btn-gold {
            background: var(--gold);
            color: #1A1A19;
            font-weight: 700;
        }

        .btn-gold:hover {
            filter: brightness(1.08);
            box-shadow: 0 4px 12px rgba(200, 155, 60, 0.3);
            color: #1A1A19;
        }

        .btn-gold:active {
            filter: brightness(0.95);
            transform: translateY(1px);
        }

        .btn-outline {
            background: transparent;
            border: 1px solid var(--border-silver);
            color: var(--silver);
        }

        .btn-outline:hover {
            border-color: var(--gold);
            color: var(--gold);
            background: rgba(200, 155, 60, 0.05);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: 10px;
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
            border-radius: 14px;
        }

        /* ========== 卡片 ========== */
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
        }

        .card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border-gold);
            background: var(--bg-card-hover);
        }

        .card-gold-border {
            border-color: var(--border-gold);
        }

        /* ========== 奖牌徽章 ========== */
        .medal-badge {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            flex-shrink: 0;
            position: relative;
        }

        .medal-1 {
            background: linear-gradient(135deg, #E5C878, #C89B3C, #8C6A1E);
            color: #1A1A19;
            box-shadow: 0 2px 12px rgba(200, 155, 60, 0.5);
        }

        .medal-2 {
            background: linear-gradient(135deg, #D4D4D0, #A8A8A8, #6E6E68);
            color: #1A1A19;
            box-shadow: 0 2px 12px rgba(168, 168, 168, 0.45);
        }

        .medal-3 {
            background: linear-gradient(135deg, #B0804A, #8C5A2B, #5E3A1A);
            color: #EAEAE4;
            box-shadow: 0 2px 12px rgba(140, 90, 43, 0.5);
        }

        .medal-num {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: #3A3B36;
            border: 1px solid var(--border-silver);
            color: var(--silver);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 15px;
            flex-shrink: 0;
        }

        /* ========== 标签 ========== */
        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
            line-height: 1.4;
        }

        .tag-gold {
            background: rgba(200, 155, 60, 0.15);
            color: var(--gold);
            border: 1px solid rgba(200, 155, 60, 0.3);
        }

        .tag-silver {
            background: rgba(168, 168, 168, 0.12);
            color: var(--silver);
            border: 1px solid rgba(168, 168, 168, 0.25);
        }

        .tag-bronze {
            background: rgba(140, 90, 43, 0.18);
            color: #C8A070;
            border: 1px solid rgba(140, 90, 43, 0.35);
        }

        .tag-dark {
            background: rgba(0, 0, 0, 0.35);
            color: var(--text-muted);
            border: 1px solid rgba(168, 168, 168, 0.2);
        }

        /* ========== 热度条 ========== */
        .heat-bar {
            height: 6px;
            background: #3A3B36;
            border-radius: 10px;
            overflow: hidden;
            flex: 1;
        }

        .heat-bar-fill {
            height: 100%;
            border-radius: 10px;
            background: linear-gradient(90deg, var(--bronze), var(--gold));
            transition: width 0.6s ease;
        }

        /* ========== 星级 ========== */
        .stars {
            color: var(--gold);
            font-size: 14px;
            letter-spacing: 1px;
        }

        /* ========== Hero ========== */
        .hero-section {
            background-image: linear-gradient(rgba(26, 26, 25, 0.75), rgba(26, 26, 25, 0.88)), url('/assets/images/245f7af09c2fa6ba.webp');
            background-size: cover;
            background-position: center;
            padding: 80px 36px 70px;
            text-align: center;
            position: relative;
        }

        .hero-section .container {
            max-width: 800px;
        }

        .hero-search-box {
            display: flex;
            align-items: center;
            gap: 10px;
            background: rgba(43, 44, 40, 0.9);
            backdrop-filter: blur(8px);
            border: 1px solid var(--border-gold);
            border-radius: 16px;
            padding: 6px 6px 6px 20px;
            max-width: 560px;
            margin: 0 auto 24px;
        }

        .hero-search-box input {
            background: transparent;
            border: none;
            color: var(--text);
            font-size: 15px;
            width: 100%;
            outline: none;
            padding: 10px 0;
        }

        .hero-search-box input::placeholder {
            color: var(--text-dim);
        }

        .hero-search-box .search-btn {
            background: var(--gold);
            color: #1A1A19;
            border: none;
            padding: 10px 20px;
            border-radius: 12px;
            font-weight: 700;
            font-size: 14px;
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .hero-search-box .search-btn:hover {
            filter: brightness(1.08);
        }

        .hero-title {
            font-size: 42px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .hero-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 28px;
            max-width: 680px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-chips {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-bottom: 28px;
        }

        .hero-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 30px;
            background: rgba(43, 44, 40, 0.75);
            border: 1px solid var(--border);
            color: var(--silver);
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.25s ease;
            text-decoration: none;
        }

        .hero-chip:hover {
            border-color: var(--gold);
            color: var(--gold);
            background: rgba(200, 155, 60, 0.08);
        }

        .hero-chip i {
            font-size: 12px;
            color: var(--gold);
        }

        /* ========== 榜单样式 ========== */
        .rank-row {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 18px;
            border-bottom: 1px solid rgba(200, 155, 60, 0.12);
            transition: all 0.25s ease;
            border-radius: 8px;
        }

        .rank-row:hover {
            background: rgba(200, 155, 60, 0.05);
        }

        .rank-top3-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
            height: 100%;
        }

        .rank-top3-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .rank-top3-card.top1 {
            border-color: var(--gold);
            background: linear-gradient(135deg, rgba(200, 155, 60, 0.08), var(--bg-card));
        }

        .rank-top3-card.top2 {
            border-color: var(--silver);
        }

        .rank-top3-card.top3 {
            border-color: var(--bronze);
        }

        .score-ring {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 20px;
            flex-shrink: 0;
        }

        .score-ring.ring-gold {
            background: rgba(200, 155, 60, 0.15);
            border: 3px solid var(--gold);
            color: var(--gold);
        }

        .score-ring.ring-silver {
            background: rgba(168, 168, 168, 0.12);
            border: 3px solid var(--silver);
            color: var(--silver);
        }

        .score-ring.ring-bronze {
            background: rgba(140, 90, 43, 0.18);
            border: 3px solid var(--bronze);
            color: #C8A070;
        }

        .score-ring .score-label {
            font-size: 10px;
            font-weight: 500;
            color: var(--text-dim);
            letter-spacing: 1px;
        }

        /* ========== 专题卡片 ========== */
        .topic-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
            cursor: pointer;
        }

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

        .topic-card .cover-wrapper {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
            background: #2B2C28;
        }

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

        .topic-card:hover .cover-wrapper img {
            transform: scale(1.04);
        }

        .topic-card .cover-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
        }

        .topic-card .cover-mask {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40%;
            background: linear-gradient(to top, rgba(26, 26, 25, 0.85), transparent);
            pointer-events: none;
        }

        /* ========== 步骤条 ========== */
        .step-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 12px;
            padding: 24px 16px;
        }

        .step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 24px;
            flex-shrink: 0;
        }

        .step-num.step-gold {
            background: linear-gradient(135deg, #E5C878, #C89B3C);
            color: #1A1A19;
            box-shadow: 0 2px 12px rgba(200, 155, 60, 0.45);
        }

        .step-num.step-silver {
            background: linear-gradient(135deg, #D4D4D0, #A8A8A8);
            color: #1A1A19;
            box-shadow: 0 2px 12px rgba(168, 168, 168, 0.4);
        }

        .step-num.step-bronze {
            background: linear-gradient(135deg, #B0804A, #8C5A2B);
            color: #EAEAE4;
            box-shadow: 0 2px 12px rgba(140, 90, 43, 0.45);
        }

        /* ========== 更新日历 ========== */
        .calendar-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            display: inline-block;
            flex-shrink: 0;
        }

        .calendar-dot.dot-gold {
            background: var(--gold);
            box-shadow: 0 0 8px rgba(200, 155, 60, 0.6);
        }

        .calendar-dot.dot-silver {
            background: var(--silver);
            box-shadow: 0 0 8px rgba(168, 168, 168, 0.5);
        }

        .calendar-dot.dot-bronze {
            background: var(--bronze);
            box-shadow: 0 0 8px rgba(140, 90, 43, 0.5);
        }

        .calendar-dot.dot-dim {
            background: #4A4B46;
        }

        /* ========== FAQ ========== */
        .faq-item {
            border-bottom: 1px solid rgba(200, 155, 60, 0.15);
            transition: all 0.3s ease;
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 20px 8px;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            color: var(--text);
            transition: color 0.25s ease;
            user-select: none;
            background: transparent;
            border: none;
            text-align: left;
            width: 100%;
        }

        .faq-question:hover {
            color: var(--gold);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            color: var(--gold);
            font-size: 14px;
            transition: transform 0.3s ease;
        }

        .faq-answer {
            padding: 0 8px 20px 38px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.7;
            display: none;
        }

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

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

        /* ========== 底部固定转化条 ========== */
        .bottom-cta {
            position: fixed;
            bottom: 0;
            left: var(--sidebar-width);
            right: 0;
            z-index: 50;
            background: rgba(26, 26, 25, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-top: 1px solid var(--border-gold);
            padding: 14px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
        }

        .bottom-cta-text {
            font-size: 14px;
            color: var(--silver);
            font-weight: 500;
            line-height: 1.5;
        }

        .bottom-cta-text strong {
            color: var(--gold);
            font-weight: 700;
        }

        .bottom-cta-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .bottom-cta .btn-top {
            color: var(--text-dim);
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: color 0.25s ease;
            background: transparent;
            border: none;
            cursor: pointer;
        }

        .bottom-cta .btn-top:hover {
            color: var(--gold);
        }

        /* ========== Footer ========== */
        .footer {
            background: #171816;
            padding: 48px 36px 100px;
            border-top: 1px solid rgba(200, 155, 60, 0.12);
        }

        .footer .container {
            max-width: 1200px;
        }

        .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
        }

        .footer-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 420px;
            margin-bottom: 20px;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            margin-bottom: 18px;
        }

        .footer-links a {
            color: var(--silver);
            font-size: 14px;
            transition: color 0.25s ease;
        }

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

        .footer-divider {
            border: none;
            border-top: 1px solid rgba(200, 155, 60, 0.12);
            margin: 20px 0;
        }

        .footer-copy {
            font-size: 13px;
            color: var(--text-dim);
            line-height: 1.6;
        }

        .footer-copy a {
            color: var(--text-dim);
            text-decoration: underline;
        }

        .footer-copy a:hover {
            color: var(--gold);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            :root {
                --sidebar-width: 200px;
            }
            .section {
                padding: 48px 24px;
            }
            .hero-section {
                padding: 60px 24px 56px;
            }
            .hero-title {
                font-size: 34px;
            }
            .section-title {
                font-size: 26px;
            }
            .bottom-cta {
                left: 0;
                padding: 12px 18px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --sidebar-width: 0px;
            }
            .sidebar {
                transform: translateX(-100%);
                width: 80vw;
                max-width: 300px;
            }
            .sidebar.show {
                transform: translateX(0);
            }
            .main-content {
                margin-left: 0;
                padding-top: 62px;
            }
            .mobile-header {
                display: flex;
            }
            .section {
                padding: 40px 18px;
            }
            .hero-section {
                padding: 50px 18px 44px;
            }
            .hero-title {
                font-size: 28px;
            }
            .section-title {
                font-size: 23px;
            }
            .hero-desc {
                font-size: 14px;
            }
            .bottom-cta {
                left: 0;
                right: 0;
                padding: 10px 14px;
                flex-direction: column;
                align-items: stretch;
                text-align: center;
                gap: 10px;
            }
            .bottom-cta-actions {
                justify-content: center;
                flex-wrap: wrap;
            }
            .footer {
                padding: 36px 18px 120px;
            }
            .rank-top3-card {
                padding: 20px 16px;
            }
            .hero-search-box {
                flex-direction: column;
                padding: 12px;
                gap: 10px;
            }
            .hero-search-box .search-btn {
                width: 100%;
                justify-content: center;
            }
            .hero-search-box input {
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 24px;
            }
            .section-title {
                font-size: 20px;
            }
            .section-subtitle {
                font-size: 14px;
            }
            .btn-lg {
                padding: 11px 24px;
                font-size: 14px;
            }
            .rank-row {
                padding: 12px 10px;
                gap: 10px;
                flex-wrap: wrap;
            }
            .bottom-cta-text {
                font-size: 12px;
            }
            .footer-links {
                gap: 12px;
                font-size: 12px;
            }
        }

/* roulang page: category1 */
:root {
            --bg: #1A1A19;
            --bg-alt: #1F201E;
            --bg-section: #262724;
            --bg-card: #2B2C28;
            --bg-card-hover: #33342F;
            --gold: #C89B3C;
            --gold-light: #E5C878;
            --silver: #A8A8A8;
            --bronze: #8C5A2B;
            --text: #EAEAE4;
            --text-muted: #A8A8A8;
            --text-dim: #6E6E68;
            --border: rgba(200, 155, 60, 0.2);
            --border-gold: rgba(200, 155, 60, 0.55);
            --border-silver: rgba(168, 168, 168, 0.25);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 8px 24px rgba(200, 155, 60, 0.18);
            --radius: 14px;
            --radius-lg: 20px;
            --sidebar-width: 236px;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
        }
        @media (max-width: 1024px) {
            :root {
                --sidebar-width: 0px;
            }
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--gold);
            text-decoration: none;
            transition: color 0.25s ease, border-color 0.25s ease, background-color 0.25s ease;
        }
        a:hover {
            color: var(--gold-light);
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button:focus-visible, a:focus-visible, input:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ========== 左侧侧栏 ========== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: #191A1C;
            border-right: 1px solid var(--border-silver);
            display: flex;
            flex-direction: column;
            padding: 24px 16px 16px;
            z-index: 60;
            transition: transform 0.3s ease;
        }
        @media (max-width: 1024px) {
            .sidebar {
                width: min(80vw, 320px);
                transform: translateX(-100%);
                z-index: 75;
                box-shadow: 4px 0 24px rgba(0,0,0,0.5);
            }
            .sidebar.open {
                transform: translateX(0);
            }
        }
        .sidebar-logo {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.3px;
            margin-bottom: 28px;
            display: flex;
            align-items: center;
            gap: 10px;
            line-height: 1.35;
            flex-shrink: 0;
            word-break: break-word;
        }
        .sidebar-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--gold), #8C5A2B);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #1A1A19;
            font-size: 17px;
            font-weight: 800;
            flex-shrink: 0;
        }
        .sidebar-logo a {
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 10px;
            line-height: 1.35;
        }
        .sidebar-logo a:hover {
            color: var(--gold-light);
        }
        .sidebar-nav {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex: 1;
            overflow-y: auto;
        }
        .sidebar-nav .nav-label {
            font-size: 11px;
            text-transform: uppercase;
            color: var(--text-dim);
            letter-spacing: 1.5px;
            padding: 16px 12px 8px;
            font-weight: 600;
        }
        .sidebar-nav li a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 11px 14px;
            border-radius: 10px;
            color: var(--silver);
            font-size: 15px;
            font-weight: 500;
            position: relative;
            transition: all 0.25s ease;
            border-left: 3px solid transparent;
        }
        .sidebar-nav li a i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            color: var(--text-dim);
            transition: color 0.25s ease;
        }
        .sidebar-nav li a:hover {
            background: rgba(200, 155, 60, 0.08);
            color: var(--text);
            border-left-color: var(--gold);
        }
        .sidebar-nav li a:hover i {
            color: var(--gold);
        }
        .sidebar-nav li a.active {
            background: rgba(200, 155, 60, 0.12);
            color: var(--gold);
            border-left-color: var(--gold);
            font-weight: 600;
        }
        .sidebar-nav li a.active i {
            color: var(--gold);
        }
        .sidebar-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 10px 14px;
            margin-top: 14px;
            flex-shrink: 0;
        }
        .sidebar-search input {
            background: transparent;
            border: none;
            color: var(--text);
            font-size: 14px;
            width: 100%;
            outline: none;
        }
        .sidebar-search input::placeholder {
            color: var(--text-dim);
        }
        .sidebar-search i {
            color: var(--text-dim);
            font-size: 14px;
        }

        /* ========== 主内容区 ========== */
        .main-content {
            flex: 1;
            margin-left: var(--sidebar-width);
            min-width: 0;
            transition: margin-left 0.3s ease;
        }
        @media (max-width: 1024px) {
            .main-content {
                margin-left: 0;
                padding-top: 62px;
            }
        }

        /* ========== 移动端顶部栏 ========== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 62px;
            background: rgba(26, 26, 25, 0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            z-index: 55;
            align-items: center;
            justify-content: space-between;
            padding: 0 18px;
        }
        @media (max-width: 1024px) {
            .mobile-header {
                display: flex;
            }
        }
        .mobile-header .logo-text {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .mobile-header .logo-text .logo-icon-sm {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--gold), #8C5A2B);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #1A1A19;
            font-size: 14px;
            font-weight: 800;
            flex-shrink: 0;
        }
        .hamburger {
            background: transparent;
            border: 1px solid var(--border-silver);
            border-radius: 8px;
            color: var(--text);
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            cursor: pointer;
            transition: all 0.25s ease;
        }
        .hamburger:hover {
            border-color: var(--gold);
            color: var(--gold);
        }
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.65);
            z-index: 70;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }
        .drawer-overlay.show {
            opacity: 1;
            pointer-events: auto;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-muted);
            transition: color 0.25s ease;
        }
        .breadcrumb a:hover {
            color: var(--gold);
        }
        .breadcrumb .sep {
            color: var(--text-dim);
        }
        .breadcrumb .current {
            color: var(--gold);
            font-weight: 600;
        }

        /* ========== Section 通用 ========== */
        .section {
            padding: 48px 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-section {
            background: var(--bg-section);
        }
        @media (max-width: 640px) {
            .section {
                padding: 32px 0;
            }
        }

        /* ========== 按钮 ========== */
        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--gold);
            color: #1A1A19;
            font-weight: 700;
            border-radius: 12px;
            padding: 12px 24px;
            font-size: 15px;
            border: 1px solid var(--gold);
            cursor: pointer;
            transition: all 0.25s ease;
            text-decoration: none;
        }
        .btn-gold:hover {
            background: var(--gold-light);
            border-color: var(--gold-light);
            color: #1A1A19;
            filter: brightness(1.05);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--silver);
            font-weight: 600;
            border-radius: 12px;
            padding: 12px 22px;
            font-size: 14px;
            border: 1px solid var(--border-silver);
            cursor: pointer;
            transition: all 0.25s ease;
            text-decoration: none;
        }
        .btn-outline:hover {
            border-color: var(--gold);
            color: var(--gold);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: 8px;
        }
        .btn-xs {
            padding: 6px 12px;
            font-size: 12px;
            border-radius: 6px;
        }

        /* ========== 徽章/标签 ========== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            white-space: nowrap;
        }
        .badge-jp {
            background: rgba(200, 155, 60, 0.15);
            color: var(--gold);
            border: 1px solid rgba(200, 155, 60, 0.4);
        }
        .badge-kr {
            background: rgba(168, 168, 168, 0.12);
            color: var(--silver);
            border: 1px solid rgba(168, 168, 168, 0.35);
        }
        .badge-eu {
            background: rgba(139, 90, 43, 0.18);
            color: var(--bronze);
            border: 1px solid rgba(139, 90, 43, 0.45);
        }
        .badge-us {
            background: rgba(123, 63, 63, 0.18);
            color: #C99B6A;
            border: 1px solid rgba(123, 63, 63, 0.4);
        }
        .badge-hot {
            background: rgba(123, 63, 63, 0.25);
            color: #E8B98A;
            border: 1px solid rgba(123, 63, 63, 0.5);
        }

        /* ========== 排名徽章 ========== */
        .rank-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            font-weight: 800;
            font-size: 14px;
            flex-shrink: 0;
        }
        .rank-1 {
            background: var(--gold);
            color: #1A1A19;
        }
        .rank-2 {
            background: var(--silver);
            color: #1A1A19;
        }
        .rank-3 {
            background: var(--bronze);
            color: #EAEAE4;
        }
        .rank-other {
            background: rgba(168, 168, 168, 0.12);
            color: var(--silver);
            border: 1px solid rgba(168, 168, 168, 0.3);
            border-radius: 8px;
            width: 32px;
            height: 32px;
        }

        /* ========== 卡片 ========== */
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-gold);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .card-cover {
            position: relative;
            width: 100%;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--bg-section);
        }
        .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card:hover .card-cover img {
            transform: scale(1.05);
        }
        .card-body {
            padding: 16px;
        }
        .card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }
        .card-stats {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .card-stats i {
            width: 14px;
            color: var(--text-dim);
        }

        /* ========== 筛选工具条 ========== */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            padding: 16px 0;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            margin-bottom: 28px;
        }
        .filter-group {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .filter-label {
            font-size: 13px;
            color: var(--text-dim);
            margin-right: 6px;
            white-space: nowrap;
        }
        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 7px 14px;
            font-size: 13px;
            border-radius: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-silver);
            color: var(--silver);
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
            user-select: none;
        }
        .filter-chip:hover {
            border-color: var(--gold);
            color: var(--gold);
        }
        .filter-chip.active {
            background: rgba(200, 155, 60, 0.15);
            border-color: var(--gold);
            color: var(--gold);
            font-weight: 600;
        }

        /* ========== 底部转化条 ========== */
        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: var(--sidebar-width);
            right: 0;
            background: rgba(26, 26, 25, 0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid var(--border-gold);
            z-index: 65;
            padding: 14px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            transition: left 0.3s ease;
        }
        @media (max-width: 1024px) {
            .bottom-cta-bar {
                left: 0;
                padding: 12px 16px;
            }
        }
        .bottom-cta-text {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
        }
        .bottom-cta-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        /* ========== 页脚 ========== */
        .footer {
            background: var(--bg-alt);
            border-top: 1px solid var(--border);
            padding: 40px 0 100px;
            margin-left: var(--sidebar-width);
            transition: margin-left 0.3s ease;
        }
        @media (max-width: 1024px) {
            .footer {
                margin-left: 0;
                padding-bottom: 120px;
            }
        }
        .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }
        .footer-desc {
            font-size: 14px;
            color: var(--text-muted);
            max-width: 520px;
            line-height: 1.7;
        }
        .footer-links {
            list-style: none;
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 14px;
            transition: color 0.25s ease;
        }
        .footer-links a:hover {
            color: var(--gold);
        }
        .footer-divider {
            border: none;
            border-top: 1px solid var(--border);
            margin: 14px 0;
        }
        .footer-copy {
            font-size: 13px;
            color: var(--text-dim);
            line-height: 1.7;
        }
        .footer-copy a {
            color: var(--text-dim);
            text-decoration: underline;
        }
        .footer-copy a:hover {
            color: var(--gold);
        }

        /* ========== 其他组件 ========== */
        .gap-8 {
            gap: 2rem;
        }
        .x-scroll {
            overflow-x: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--bronze) transparent;
            -webkit-overflow-scrolling: touch;
            padding-bottom: 8px;
        }
        .x-scroll::-webkit-scrollbar {
            height: 5px;
        }
        .x-scroll::-webkit-scrollbar-thumb {
            background: var(--bronze);
            border-radius: 10px;
        }
        .stat-number {
            font-size: 28px;
            font-weight: 800;
            color: var(--gold);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 13px;
            color: var(--text-muted);
        }
        .h1-main {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 14px;
        }
        @media (max-width: 640px) {
            .h1-main {
                font-size: 24px;
            }
        }
        .h1-sub {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 780px;
        }
        .lead-text {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
        }
        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.35;
        }
        @media (max-width: 640px) {
            .section-title {
                font-size: 21px;
            }
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .gold-text {
            color: var(--gold);
        }
        .silver-text {
            color: var(--silver);
        }
        .star {
            color: var(--gold);
            font-size: 13px;
        }
        .score-large {
            font-size: 22px;
            font-weight: 800;
            color: var(--gold);
        }
        .topic-tag {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 20px;
            font-size: 13px;
            color: var(--silver);
            cursor: pointer;
            transition: all 0.25s ease;
        }
        .topic-tag:hover {
            border-color: var(--gold);
            color: var(--gold);
        }
        .tip-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 18px 20px;
            transition: all 0.3s ease;
        }
        .tip-item:hover {
            border-color: var(--border-gold);
            background: var(--bg-card-hover);
        }
        .tip-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(200, 155, 60, 0.12);
            border: 1px solid rgba(200, 155, 60, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 18px;
            margin-bottom: 12px;
        }
        .list-card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 20px;
        }
        @media (max-width: 640px) {
            .list-card-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (min-width: 641px) and (max-width: 1024px) {
            .list-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }