:root {
            --primary-color: #4a68fb;
            --primary-hover: #3a53d9;
            --secondary-color: #66b1ff;
            --success-color: #52c41a;
            --warning-color: #fa8c16;
            --danger-color: #f5222d;
            --info-color: #909399;
            --text-color: #2c3e50;
            --text-secondary: #606f7b;
            --border-color: #e8eaed;
            --bg-color: #f7f9fc;
            --card-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }
        
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        
        body {
            font-family: "Helvetica Neue", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
            background-color: var(--bg-color);
            color: var(--text-color);
            line-height: 1.6;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        
        .header {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            padding: 16px 0;
            color: white;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        
        .header a {
            color: white;
            text-decoration: none;
            font-size: 20px;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: var(--transition);
        }
        
        .header a:hover {
            text-shadow: 0 0 10px rgba(255, 255, 255, 0.6);
        }
        
        .content-wrapper {
            padding: 30px 15px;
        }
        
        .container {
            max-width: 900px;
            margin: 0 auto;
            width: 100%;
        }
        
        .widget {
            margin-bottom: 24px;
            border-radius: 10px;
            background: #fff;
            box-shadow: var(--card-shadow);
            overflow: hidden;
            transition: var(--transition);
        }
        
        .widget:hover {
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
            transform: translateY(-2px);
        }
        
        .widget-head {
            padding: 20px;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: center;
        }
        
        .widget-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-color);
            margin: 0;
        }
        
        .widget-body {
            padding: 20px;
        }
        
        .page-header-heading {
            padding: 24px 20px;
            border-bottom: 1px solid var(--border-color);
        }
        
        .page-header-heading h1 {
            margin: 0;
            color: var(--text-color);
            font-size: 24px;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            line-height: 1.4;
        }
        
        .fuhao {
            width: 100%;
            padding: 14px 16px;
            margin-bottom: 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            resize: vertical;
            font-size: 16px;
            min-height: 100px;
            transition: var(--transition);
            color: var(--text-color);
        }
        
        .fuhao:focus {
            border-color: var(--primary-color);
            outline: none;
            box-shadow: 0 0 0 3px rgba(74, 104, 251, 0.1);
        }
        
        .selct-equ {
            width: 100%;
            padding: 12px 16px;
            margin-bottom: 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 16px;
            color: var(--text-color);
            background-color: #fff;
            transition: var(--transition);
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath fill='%23444' d='M8 10.5l4-4H4z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            cursor: pointer;
        }
        
        .selct-equ:focus {
            border-color: var(--primary-color);
            outline: none;
            box-shadow: 0 0 0 3px rgba(74, 104, 251, 0.1);
        }
        
        .tx {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        
        .zi-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            background: var(--primary-color);
            color: white;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            flex: 1;
            min-width: 140px;
        }
        
        .zi-btn:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(74, 104, 251, 0.3);
        }
        
        .gray {
            background: var(--info-color);
        }
        
        .gray:hover {
            background: #7a7d83;
            box-shadow: 0 4px 12px rgba(144, 147, 153, 0.3);
        }
        
        .mb-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 12px;
        }
        
        .mb-list a {
            display: block;
            padding: 14px 16px;
            background: #fff;
            border: 1px solid var(--border-color);
            color: var(--text-color);
            text-decoration: none;
            position: relative;
            transition: var(--transition);
            border-radius: 8px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        
        .mb-list a:hover {
            background: #f9fafc;
            border-color: var(--primary-color);
            transform: translateY(-3px);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        
        .mb-list a span {
            position: absolute;
            right: 8px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 12px;
            padding: 2px 6px;
            background: var(--primary-color);
            color: #fff;
            border-radius: 4px;
            opacity: 0.8;
        }
        
        .footer {
            background-color: #fff;
            padding: 24px 0;
            text-align: center;
            border-top: 1px solid var(--border-color);
            margin-top: 30px;
        }
        
        .copyright {
            color: var(--text-secondary);
            font-size: 14px;
        }
        
        .copyright a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        
        .copyright a:hover {
            color: var(--primary-hover);
            text-decoration: underline;
        }
        
        .copy-notice {
            position: fixed;
            top: 20px;
            left: 50%;
            transform: translateX(-50%);
            background: rgba(0, 0, 0, 0.8);
            color: white;
            padding: 12px 24px;
            border-radius: 8px;
            display: none;
            z-index: 1000;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
            animation: fadeInOut 2s ease-in-out;
            font-weight: 500;
        }
        
        @keyframes fadeInOut {
            0%, 100% { opacity: 0; }
            10%, 90% { opacity: 1; }
        }
        
        .tag {
            display: inline-block;
            font-size: 12px;
            color: #fff;
            padding: 3px 10px;
            border-radius: 12px;
            text-align: center;
            margin-left: 10px;
            vertical-align: middle;
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        
        .tag-new {
            background: var(--success-color);
            box-shadow: 0 2px 4px rgba(82, 196, 26, 0.3);
        }
        
        .tag-hot {
            background: var(--danger-color);
            box-shadow: 0 2px 4px rgba(245, 34, 45, 0.3);
        }
        
        .loading {
            display: inline-block;
            width: 18px;
            height: 18px;
            border: 2px solid rgba(255,255,255,0.3);
            border-radius: 50%;
            border-top-color: #fff;
            animation: spin 0.8s linear infinite;
            margin-left: 10px;
            vertical-align: middle;
        }
        
        @keyframes spin {
            to { transform: rotate(360deg); }
        }
        
        .notice-text {
            margin-top: 16px;
            padding: 12px 16px;
            background-color: #f8f9fa;
            border-left: 4px solid var(--primary-color);
            border-radius: 4px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        
        .danger-notice {
            border-left-color: var(--danger-color);
            background-color: rgba(245, 34, 45, 0.05);
        }
        
        /* 响应式调整 */
        @media (max-width: 768px) {
            .page-header-heading h1 {
                font-size: 20px;
            }
            
            .widget-head {
                padding: 16px;
            }
            
            .widget-body {
                padding: 16px;
            }
            
            .tx {
                flex-direction: column;
            }
            
            .zi-btn {
                width: 100%;
            }
            
            .mb-list {
                grid-template-columns: 1fr;
            }
        }