:root {
            --primary-color: #2c6fbb;
            --secondary-color: #3498db;
            --accent-color: #1abc9c;
            --dark-color: #2c3e50;
            --light-color: #f8f9fa;
            --success-color: #27ae60;
            --warning-color: #f39c12;
            --danger-color: #e74c3c;
            --border-radius: 8px;
            --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            color: #333;
            line-height: 1.6;
            min-height: 100vh;
            padding-bottom: 40px;
        }
        
        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 头部样式 */
        header {
            background: linear-gradient(to right, var(--dark-color), var(--primary-color));
            color: white;
            padding: 20px 0;
            box-shadow: var(--box-shadow);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .logo-icon {
            font-size: 2.5rem;
            color: var(--accent-color);
        }
        
        .logo-text h1 {
            font-size: 1.8rem;
            font-weight: 700;
        }
        
        .logo-text p {
            font-size: 0.9rem;
            opacity: 0.9;
        }
        
        .nav-buttons {
            display: flex;
            gap: 15px;
        }
        
        .btn {
            padding: 10px 20px;
            border-radius: var(--border-radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        
        .btn-primary {
            background: var(--accent-color);
            color: white;
        }
        
        .btn-outline {
            background: transparent;
            border: 2px solid var(--accent-color);
            color: white;
        }
        
        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
        }
        
        /* 主内容区 */
        .main-content {
            margin-top: 30px;
            display: grid;
            grid-template-columns: 1fr;
            gap: 25px;
        }
        
        @media (min-width: 992px) {
            .main-content {
                grid-template-columns: 1fr 1fr;
            }
        }
        
        .card {
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            overflow: hidden;
            transition: var(--transition);
        }
        
        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
        }
        
        .card-header {
            background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 18px 25px;
            font-size: 1.3rem;
            font-weight: 600;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .card-body {
            padding: 25px;
        }
        
        .badge {
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
        }
        
        .badge-success {
            background: rgba(39, 174, 96, 0.15);
            color: var(--success-color);
        }
        
        .badge-info {
            background: rgba(52, 152, 219, 0.15);
            color: var(--secondary-color);
        }
        
        .badge-warning {
            background: rgba(243, 156, 18, 0.15);
            color: var(--warning-color);
        }
        
        .badge-danger {
            background: rgba(231, 76, 60, 0.15);
            color: var(--danger-color);
        }
        
        /* 表单样式 */
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--dark-color);
        }
        
        .form-control {
            width: 100%;
            padding: 14px;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        
        .form-control:focus {
            border-color: var(--secondary-color);
            outline: none;
            box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
        }
        
        .btn-submit {
            width: 100%;
            padding: 15px;
            background: var(--accent-color);
            color: white;
            font-size: 1.1rem;
            font-weight: 600;
            border: none;
            border-radius: var(--border-radius);
            cursor: pointer;
            transition: var(--transition);
        }
        
        .btn-submit:hover {
            background: #16a085;
        }
        
        .btn-submit.running {
            background: var(--danger-color);
        }
        
        /* 表格样式 - 修复长链接问题 */
        .results-container {
            height: 400px;
            overflow-y: auto;
            border: 1px solid #eee;
            border-radius: var(--border-radius);
        }
        
        .results-table {
            width: 100%;
            border-collapse: collapse;
            table-layout: fixed; /* 固定表格布局 */
        }
        
        .results-table th {
            background: #f1f8ff;
            padding: 14px;
            text-align: left;
            font-weight: 600;
            color: var(--dark-color);
            position: sticky;
            top: 0;
        }
        
        .results-table td {
            padding: 12px 14px;
            border-bottom: 1px solid #eee;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        
        /* 固定ID列宽度 */
        .results-table th:nth-child(1),
        .results-table td:nth-child(1) {
            width: 60px;
        }
        
        /* 固定状态列宽度 */
        .results-table th:nth-child(4),
        .results-table td:nth-child(4) {
            width: 100px;
        }
        
        /* 推广URL列宽度 */
        .results-table th:nth-child(2),
        .results-table td:nth-child(2) {
            width: 150px;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        
        /* 外链目标网址列 - 允许换行 */
        .results-table th:nth-child(3),
        .results-table td:nth-child(3) {
            white-space: normal;
            word-break: break-all;
            overflow-wrap: break-word;
        }
        
        .results-table tr:hover {
            background-color: #f8fafd;
        }
        
        .status-indicator {
            display: inline-block;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            margin-right: 8px;
        }
        
        .status-pending {
            background: var(--warning-color);
            animation: pulse 1.5s infinite;
        }
        
        .status-success {
            background: var(--success-color);
        }
        
        .status-error {
            background: var(--danger-color);
        }
        
        @keyframes pulse {
            0% { opacity: 0.6; }
            50% { opacity: 1; }
            100% { opacity: 0.6; }
        }
        
        /* 统计卡片 */
        .stats-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-top: 25px;
        }
        
        .stat-card {
            background: white;
            border-radius: var(--border-radius);
            padding: 20px;
            box-shadow: var(--box-shadow);
            text-align: center;
        }
        
        .stat-value {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary-color);
            margin: 10px 0;
        }
        
        .stat-label {
            color: #777;
            font-size: 0.95rem;
        }
        
        /* 时间线 */
        .timeline {
            position: relative;
            padding-left: 30px;
            margin: 20px 0;
        }
        
        .timeline::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            height: 100%;
            width: 3px;
            background: var(--secondary-color);
        }
        
        .timeline-item {
            margin-bottom: 25px;
            position: relative;
        }
        
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -34px;
            top: 5px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--primary-color);
            border: 3px solid white;
            box-shadow: 0 0 0 2px var(--primary-color);
        }
        
        .timeline-date {
            font-weight: 600;
            color: var(--primary-color);
            margin-bottom: 5px;
        }
        
        /* 页脚 */
        footer {
            margin-top: 40px;
            padding: 20px 0;
            background: var(--dark-color);
            color: white;
            border-radius: var(--border-radius);
        }
        
        .footer-content {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        
        .footer-section {
            padding: 0 20px;
        }
        
        .footer-title {
            font-size: 1.2rem;
            margin-bottom: 15px;
            color: var(--accent-color);
        }
        
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }
        
        .footer-links a {
            color: #ddd;
            text-decoration: none;
            transition: var(--transition);
        }
        
        .footer-links a:hover {
            color: var(--accent-color);
        }
        
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        
        /* 响应式调整 */
        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                gap: 20px;
            }
            
            .nav-buttons {
                width: 100%;
                justify-content: center;
            }
            
            .stats-container {
                grid-template-columns: 1fr;
            }
        }
        
        /* 状态标签 */
        .status-tag {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.85rem;
            font-weight: 600;
        }
        
        .status-tag-pending {
            background: rgba(243, 156, 18, 0.1);
            color: var(--warning-color);
        }
        
        .status-tag-success {
            background: rgba(39, 174, 96, 0.1);
            color: var(--success-color);
        }
        
        /* 进度容器 */
        .progress-container {
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .progress-bar-container {
            flex-grow: 1;
            height: 8px;
            background: #e0e6ed;
            border-radius: 4px;
            overflow: hidden;
        }
        
        .progress-bar {
            height: 100%;
            background: var(--accent-color);
            border-radius: 4px;
            transition: width 0.5s ease;
        }
        
        .progress-text {
            min-width: 80px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--dark-color);
        }
        
        /* 运行状态 */
        .run-status {
            display: flex;
            justify-content: space-between;
            margin-bottom: 15px;
            padding: 10px;
            background: #f8fafd;
            border-radius: var(--border-radius);
        }
        
        .status-item {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        
        .status-value {
            font-weight: 700;
            color: var(--primary-color);
            font-size: 1.1rem;
        }
        
        .status-label {
            font-size: 0.85rem;
            color: #777;
        }
        
        /* 工具提示 */
        .tooltip {
            position: relative;
            display: inline-block;
            cursor: help;
        }
        
        .tooltip .tooltiptext {
            visibility: hidden;
            width: 200px;
            background-color: var(--dark-color);
            color: #fff;
            text-align: center;
            border-radius: 6px;
            padding: 10px;
            position: absolute;
            z-index: 1;
            bottom: 125%;
            left: 50%;
            transform: translateX(-50%);
            opacity: 0;
            transition: opacity 0.3s;
            font-size: 0.9rem;
            font-weight: normal;
        }
        
        .tooltip:hover .tooltiptext {
            visibility: visible;
            opacity: 1;
        }
        
        .mt-3 {
            margin-top: 15px;
        }
        
        /* 链接样式 */
        .url-link {
            color: var(--secondary-color);
            text-decoration: none;
            transition: color 0.2s;
            display: block;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        
        .url-link:hover {
            color: var(--primary-color);
            text-decoration: underline;
        }