/* 基础变量与重置 */
        :root {
            --primary: #2563EB;
            --primary-light: #3B82F6;
            --primary-dark: #1D4ED8;
            --secondary: #7C3AED;
            --accent: #EC4899;
            --success: #10B981;
            --warning: #F59E0B;
            --danger: #EF4444;
            
            --bg-primary: #F9FAFB;
            --bg-secondary: #FFFFFF;
            --bg-tertiary: #F3F4F6;
            
            --text-primary: #111827;
            --text-secondary: #374151;
            --text-tertiary: #6B7280;
            --text-quaternary: #9CA3AF;
            
            --border-light: #E5E7EB;
            --border-medium: #D1D5DB;
            
            --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
            --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
            
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --radius-xl: 20px;
            --radius-full: 9999px;
            
            --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-secondary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            
            --transition-fast: 150ms ease;
            --transition-normal: 250ms ease;
            --transition-slow: 350ms ease;
        }
        
        /* 深色主题 */
        .dark-theme {
            --primary: #60A5FA;
            --primary-light: #93C5FD;
            --primary-dark: #3B82F6;
            
            --bg-primary: #111827;
            --bg-secondary: #1F2937;
            --bg-tertiary: #374151;
            
            --text-primary: #F9FAFB;
            --text-secondary: #E5E7EB;
            --text-tertiary: #9CA3AF;
            --text-quaternary: #6B7280;
            
            --border-light: #374151;
            --border-medium: #4B5563;
        }
        
        /* 基础重置 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        html {
            scroll-behavior: smooth;
        }
        
        body {
            font-family: var(--font-primary);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.5;
            font-weight: 400;
            transition: background-color var(--transition-normal), color var(--transition-normal);
        }
        
        /* 容器 */
        .container {
            max-width: 1000px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 顶部导航 */
        .header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition-normal);
        }
        
        .dark-theme .header {
            background-color: rgba(17, 24, 39, 0.95);
        }
        
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 0;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
        }
        
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 18px;
        }
        
        .logo-text {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
        }
        
        .logo-subtext {
            font-size: 12px;
            color: var(--text-tertiary);
            margin-top: -4px;
        }
        
        /* 导航控制 */
        .nav-controls {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        
        .theme-toggle {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-full);
            background-color: var(--bg-secondary);
            border: 1px solid var(--border-light);
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            transition: all var(--transition-fast);
        }
        
        .theme-toggle:hover {
            background-color: var(--bg-tertiary);
            transform: rotate(15deg);
        }
        
        .refresh-btn {
            padding: 10px 20px;
            background-color: var(--primary);
            color: white;
            border: none;
            border-radius: var(--radius-md);
            font-weight: 600;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-fast);
        }
        
        .refresh-btn:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        
        .admin-btn {
            padding: 10px 20px;
            background-color: var(--secondary);
            color: white;
            border: none;
            border-radius: var(--radius-md);
            font-weight: 600;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-fast);
            text-decoration: none;
        }
        
        .admin-btn:hover {
            background-color: #6D28D9;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        
        /* 分类导航容器 */
        .category-nav-wrapper {
            position: relative;
            margin-bottom: 32px;
            overflow: hidden;
        }
        
        /* 添加渐变遮罩，提示可以滑动 */
        .category-nav-wrapper::before,
        .category-nav-wrapper::after {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            width: 40px;
            pointer-events: none;
            z-index: 2;
        }
        
        .category-nav-wrapper::before {
            left: 0;
            background: linear-gradient(90deg, var(--bg-primary) 0%, transparent 100%);
        }
        
        .category-nav-wrapper::after {
            right: 0;
            background: linear-gradient(90deg, transparent 0%, var(--bg-primary) 100%);
        }
        
        .category-nav {
            display: flex;
            gap: 8px;
            padding: 8px 2px 16px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            -webkit-overflow-scrolling: touch;
            scroll-behavior: smooth;
            scroll-snap-type: x proximity;
            scroll-padding: 0 20px;
            width: 100%;
        }
        
        .category-nav::-webkit-scrollbar {
            display: none;
        }
        
        .category-btn {
            padding: 10px 20px;
            background-color: var(--bg-secondary);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-full);
            color: var(--text-secondary);
            font-weight: 500;
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            scroll-snap-align: start;
            user-select: none;
        }
        
        .category-btn:hover {
            background-color: var(--bg-tertiary);
            transform: translateY(-2px);
        }
        
        .category-btn.active {
            background-color: var(--primary);
            color: white;
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }
        
        .category-icon {
            font-size: 18px;
            width: 20px;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        
        /* 阿里巴巴图标库图标样式 */
        .iconfont {
            font-size: 18px;
            font-style: normal;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        
        .icon-xinlangweibo {
            color: #e6162d;
        }
        
        .icon-baidu {
            color: #2932e1;
        }
        
        .icon-bilibili {
            color: #fb7299;
        }
        
        .icon-douyin {
            color: #000000;
            background: linear-gradient(45deg, #25F4EE, #FE2C55);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .dark-theme .icon-douyin {
            color: #ffffff;
            background: linear-gradient(45deg, #25F4EE, #FE2C55);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .icon-lishishangdejintian {
            color: #6B7280;
        }
        
        .icon-shaoshupai {
            color: #d9534f;
        }
        
        /* 当按钮激活时，图标颜色变为白色 */
        .category-btn.active .category-icon {
            color: white !important;
            -webkit-text-fill-color: white !important;
            background: none !important;
        }
        
        .category-btn.active .iconfont {
            color: white !important;
            -webkit-text-fill-color: white !important;
            background: none !important;
        }
        
        /* 滑动提示 */
        .swipe-hint {
            position: absolute;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 12px;
            color: var(--text-tertiary);
            display: flex;
            align-items: center;
            gap: 6px;
            background: var(--bg-secondary);
            padding: 4px 10px;
            border-radius: var(--radius-full);
            border: 1px solid var(--border-light);
            z-index: 3;
            opacity: 1;
            transition: opacity 1s ease;
            pointer-events: none;
        }
        
        /* 主内容 */
        .main-content {
            padding: 32px 0 64px;
        }
        
        .page-header {
            margin-bottom: 32px;
        }
        
        .page-title {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        
        .page-subtitle {
            display: flex;
            align-items: center;
            gap: 12px;
            color: var(--text-tertiary);
            font-size: 14px;
        }
        
        .update-time {
            background-color: var(--bg-tertiary);
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 13px;
        }
        
        /* 热搜列表 */
        .hot-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        
        .hot-item {
            background-color: var(--bg-secondary);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: all var(--transition-normal);
            border: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }
        
        .hot-item:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
        }
        
        .hot-rank {
            position: absolute;
            top: 20px;
            left: 24px;
            width: 32px;
            height: 32px;
            background-color: var(--bg-tertiary);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            color: var(--text-secondary);
        }
        
        .hot-rank.top {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
        }
        
        .hot-content {
            padding-left: 48px;
        }
        
        .hot-title {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        
        .hot-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.5;
            margin-bottom: 20px;
        }
        
        .hot-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .hot-stats {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        
        .hot-value {
            display: flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            color: var(--primary);
        }
        
        .hot-label {
            background-color: var(--bg-tertiary);
            color: var(--text-secondary);
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 13px;
            font-weight: 500;
        }
        
        .hot-time {
            font-size: 14px;
            color: var(--text-tertiary);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        
        /* 趋势指示器 */
        .trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            padding: 2px 8px;
            border-radius: var(--radius-full);
            margin-left: 8px;
        }
        
        .trend-up {
            background-color: rgba(16, 185, 129, 0.15);
            color: var(--success);
        }
        
        .trend-down {
            background-color: rgba(239, 68, 68, 0.15);
            color: var(--danger);
        }
        
        /* 页脚 */
        .footer {
            padding: 48px 0;
            border-top: 1px solid var(--border-light);
        }
        
        .footer-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 24px;
        }
        
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
        }
        
        .footer-desc {
            max-width: 500px;
            color: var(--text-tertiary);
            font-size: 15px;
            line-height: 1.6;
        }
        
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
        }
        
        .footer-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 14px;
            transition: color var(--transition-fast);
        }
        
        .footer-links a:hover {
            color: var(--primary);
        }
        
        .copyright {
            font-size: 13px;
            color: var(--text-tertiary);
            margin-top: 16px;
        }
        
        /* 加载状态 */
        .loading-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 80px 20px;
            gap: 20px;
        }
        
        .loading-spinner {
            width: 48px;
            height: 48px;
            border: 3px solid var(--border-light);
            border-top-color: var(--primary);
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }
        
        @keyframes spin {
            to { transform: rotate(360deg); }
        }
        
        .loading-text {
            color: var(--text-tertiary);
            font-size: 16px;
            font-weight: 500;
        }
        
        /* 空状态 */
        .empty-state {
            padding: 80px 20px;
            text-align: center;
        }
        
        .empty-icon {
            font-size: 56px;
            color: var(--text-quaternary);
            margin-bottom: 20px;
        }
        
        .empty-title {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        
        .empty-desc {
            font-size: 16px;
            color: var(--text-tertiary);
            max-width: 400px;
            margin: 0 auto 24px;
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            
            .page-title {
                font-size: 28px;
            }
            
            .hot-item {
                padding: 20px;
            }
            
            .hot-content {
                padding-left: 44px;
            }
            
            .hot-rank {
                top: 16px;
                left: 20px;
                width: 28px;
                height: 28px;
                font-size: 14px;
            }
            
            .category-btn {
                padding: 8px 16px;
                font-size: 14px;
            }
            
            .refresh-btn span,
            .admin-btn span {
                display: none;
            }
            
            .refresh-btn,
            .admin-btn {
                padding: 10px;
                width: 44px;
                height: 44px;
                justify-content: center;
            }
            
            /* 在移动设备上显示滑动提示 */
            .swipe-hint {
                display: flex;
            }
        }
        
        @media (max-width: 480px) {
            .hot-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            
            .page-title {
                font-size: 24px;
            }
            
            .logo-text {
                font-size: 20px;
            }
            
            .category-nav-wrapper::before,
            .category-nav-wrapper::after {
                width: 20px;
            }
        }
        
        /* 进度条 */
        .progress-bar {
            position: fixed;
            top: 0;
            left: 0;
            width: 0%;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            z-index: 101;
            transition: width 0.3s ease;
        }
        
        /* 骨架屏 */
        .skeleton {
            background: linear-gradient(90deg, 
                var(--bg-secondary) 25%, 
                var(--bg-tertiary) 50%, 
                var(--bg-secondary) 75%);
            background-size: 200% 100%;
            animation: loading 1.5s infinite;
        }
        
        @keyframes loading {
            0% { background-position: 200% 0; }
            100% { background-position: -200% 0; }
        }
        
        /* 滚动条美化 */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        
        ::-webkit-scrollbar-track {
            background: var(--bg-tertiary);
            border-radius: var(--radius-full);
        }
        
        ::-webkit-scrollbar-thumb {
            background: var(--text-quaternary);
            border-radius: var(--radius-full);
        }
        
        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-tertiary);
        }
        
        /* 动画效果 */
        .fade-in {
            animation: fadeIn 0.5s ease forwards;
            opacity: 0;
        }
        
        @keyframes fadeIn {
            to { opacity: 1; }
        }
        
        /* 浮动按钮 */
        .fab {
            position: fixed;
            bottom: 24px;
            right: 24px;
            width: 56px;
            height: 56px;
            border-radius: var(--radius-full);
            background-color: var(--primary);
            color: white;
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            box-shadow: var(--shadow-lg);
            transition: all var(--transition-normal);
            z-index: 90;
            opacity: 0;
            transform: translateY(20px);
        }
        
        .fab.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .fab:hover {
            transform: scale(1.1);
            box-shadow: var(--shadow-xl);
        }
        
        /* 数据来源弹窗样式 */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(4px);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: opacity var(--transition-normal), visibility var(--transition-normal);
            padding: 20px;
        }
        
        .modal-overlay.active {
            opacity: 1;
            visibility: visible;
        }
        
        .modal-content {
            background-color: var(--bg-secondary);
            border-radius: var(--radius-xl);
            width: 100%;
            max-width: 520px;
            box-shadow: var(--shadow-xl);
            overflow: hidden;
            transform: translateY(20px);
            transition: transform var(--transition-normal);
            border: 1px solid var(--border-light);
        }
        
        .modal-overlay.active .modal-content {
            transform: translateY(0);
        }
        
        .modal-header {
            display: flex;
            align-items: center;
            padding: 24px 24px 16px;
            position: relative;
            border-bottom: 1px solid var(--border-light);
        }
        
        .modal-logo {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-lg);
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 22px;
            margin-right: 16px;
        }
        
        .modal-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            flex: 1;
        }
        
        .modal-close {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-full);
            background-color: var(--bg-tertiary);
            border: none;
            color: var(--text-secondary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            transition: all var(--transition-fast);
        }
        
        .modal-close:hover {
            background-color: var(--border-medium);
            transform: rotate(90deg);
        }
        
        .modal-body {
            padding: 24px;
        }
        
        .modal-icon {
            width: 80px;
            height: 80px;
            border-radius: var(--radius-full);
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(124, 58, 237, 0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 24px;
            color: var(--primary);
            font-size: 32px;
        }
        
        .modal-body h4 {
            font-size: 20px;
            font-weight: 600;
            text-align: center;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        
        .modal-desc {
            text-align: center;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 28px;
            font-size: 15px;
        }
        
        .modal-desc strong {
            color: var(--primary);
            font-weight: 600;
        }
        
        .modal-features {
            background-color: var(--bg-tertiary);
            border-radius: var(--radius-lg);
            padding: 20px;
            margin-bottom: 24px;
        }
        
        .feature-item {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }
        
        .feature-item:last-child {
            margin-bottom: 0;
        }
        
        .feature-item i {
            color: var(--success);
            font-size: 16px;
            min-width: 20px;
        }
        
        .feature-item span {
            color: var(--text-secondary);
            font-size: 14px;
        }
        
        .modal-links {
            display: flex;
            gap: 12px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }
        
        .modal-link {
            flex: 1;
            min-width: 180px;
            padding: 14px 16px;
            background-color: var(--bg-tertiary);
            border-radius: var(--radius-md);
            color: var(--text-secondary);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: all var(--transition-fast);
            border: 1px solid var(--border-light);
        }
        
        .modal-link:hover {
            background-color: var(--primary);
            color: white;
            transform: translateY(-2px);
            border-color: var(--primary);
        }
        
        .modal-link i {
            font-size: 14px;
        }
        
        .modal-footer {
            border-top: 1px solid var(--border-light);
            padding-top: 20px;
        }
        
        .modal-option {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 20px;
            cursor: pointer;
            color: var(--text-secondary);
            font-size: 14px;
            user-select: none;
        }
        
        .modal-option input[type="checkbox"] {
            width: 18px;
            height: 18px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--border-medium);
            background-color: var(--bg-tertiary);
            cursor: pointer;
            position: relative;
            appearance: none;
            transition: all var(--transition-fast);
        }
        
        .modal-option input[type="checkbox"]:checked {
            background-color: var(--primary);
            border-color: var(--primary);
        }
        
        .modal-option input[type="checkbox"]:checked::after {
            content: '✓';
            position: absolute;
            color: white;
            font-size: 12px;
            font-weight: bold;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }
        
        .modal-actions {
            display: flex;
            gap: 12px;
        }
        
        .modal-btn {
            flex: 1;
            padding: 14px 20px;
            border-radius: var(--radius-md);
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            border: none;
            font-size: 15px;
        }
        
        .modal-btn.primary {
            background-color: var(--primary);
            color: white;
        }
        
        .modal-btn.primary:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        
        .modal-btn.secondary {
            background-color: var(--bg-tertiary);
            color: var(--text-secondary);
            border: 1px solid var(--border-light);
        }
        
        .modal-btn.secondary:hover {
            background-color: var(--border-light);
            transform: translateY(-2px);
        }
        
        /* 响应式调整 */
        @media (max-width: 600px) {
            .modal-content {
                max-width: 100%;
            }
            
            .modal-links {
                flex-direction: column;
            }
            
            .modal-link {
                min-width: 100%;
            }
            
            .modal-actions {
                flex-direction: column-reverse;
            }
        }