:root {
            --primary-color: #4361ee;
            --secondary-color: #3f37c9;
            --success-color: #4cc9f0;
            --error-color: #f72585;
            --text-color: #2b2d42;
            --light-color: #f8f9fa;
            --border-radius: 12px;
            --box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }
        
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        
        body {
            font-family: 'Noto Sans SC', sans-serif;
            line-height: 1.6;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            color: var(--text-color);
            min-height: 100vh;
            padding: 40px 20px;
        }
        
        .container {
            max-width: 800px;
            margin: 0 auto;
            background: white;
            padding: 40px;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            position: relative;
            overflow: hidden;
        }
        
        .container::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 8px;
            background: linear-gradient(90deg, var(--primary-color), var(--success-color));
        }
        
        h1 {
            text-align: center;
            color: var(--primary-color);
            margin-bottom: 30px;
            font-weight: 700;
            font-size: 2.2rem;
            position: relative;
            padding-bottom: 15px;
        }
        
        h1::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-color), var(--success-color));
            border-radius: 2px;
        }
        
        .form-group {
            margin-bottom: 25px;
        }
        
        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            color: var(--text-color);
            font-size: 1rem;
        }
        
        select, input {
            width: 100%;
            padding: 14px 16px;
            border: 2px solid #e9ecef;
            border-radius: var(--border-radius);
            font-size: 16px;
            transition: var(--transition);
            background-color: white;
        }
        
        select:focus, input:focus {
            border-color: var(--primary-color);
            outline: none;
            box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
        }
        
        button {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            border: none;
            padding: 16px;
            font-size: 18px;
            font-weight: 500;
            border-radius: var(--border-radius);
            cursor: pointer;
            display: block;
            width: 100%;
            transition: var(--transition);
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
            position: relative;
            overflow: hidden;
        }
        
        button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(0,0,0,0.15);
        }
        
        button:active {
            transform: translateY(0);
        }
        
        button::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(255,255,255,0.2);
            transform: translateX(-100%);
            transition: var(--transition);
        }
        
        button:hover::after {
            transform: translateX(100%);
        }
        
        /* 修复360浏览器按钮禁用样式问题 */
        button[disabled] {
            background: #adb5bd;
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }
        
        button[disabled]:hover {
            transform: none;
            box-shadow: none;
        }
        
        button[disabled]::after {
            display: none;
        }
        
        .error {
            color: white;
            margin-bottom: 25px;
            padding: 16px;
            background-color: var(--error-color);
            border-radius: var(--border-radius);
            font-weight: 500;
            position: relative;
            overflow: hidden;
        }
        
        .success {
            color: white;
            margin-bottom: 25px;
            padding: 16px;
            background-color: var(--success-color);
            border-radius: var(--border-radius);
            font-weight: 500;
        }
        
        .card-list {
            margin-top: 40px;
            border-top: 2px dashed #e9ecef;
            padding-top: 30px;
        }
        
        .card-item {
            padding: 20px;
            margin-bottom: 20px;
            background-color: var(--light-color);
            border-radius: var(--border-radius);
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            transition: var(--transition);
            border-left: 4px solid var(--primary-color);
        }
        
        .card-item:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        
        .card-info {
            display: flex;
            justify-content: space-between;
            margin-bottom: 12px;
            align-items: center;
        }
        
        .card-label {
            font-weight: 600;
            color: #495057;
            font-size: 0.95rem;
        }
        
        .card-value {
            font-weight: 500;
            color: var(--text-color);
            font-size: 1rem;
        }
        
        .captcha-container {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .captcha-code {
            font-family: 'Courier New', monospace;
            font-size: 26px;
            letter-spacing: 5px;
            padding: 8px 15px;
            background: linear-gradient(135deg, #f8f9fa, #e9ecef);
            border-radius: 8px;
            color: var(--text-color);
            font-weight: bold;
            border: 2px solid #dee2e6;
        }
        
        .refresh-captcha {
            cursor: pointer;
            color: var(--primary-color);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 5px;
        }
        
        .refresh-captcha:hover {
            color: var(--secondary-color);
            text-decoration: underline;
        }
        
        .refresh-captcha i {
            font-size: 18px;
        }
        
        .card-title {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 20px;
            color: var(--primary-color);
            text-align: center;
            position: relative;
        }
        
        .card-title::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 50px;
            height: 3px;
            background-color: var(--primary-color);
            border-radius: 3px;
        }
        
        .limit-info {
            margin-top: 20px;
            padding: 14px;
            background: linear-gradient(135deg, #f8f9fa, #e9ecef);
            border-radius: var(--border-radius);
            font-size: 15px;
            color: #495057;
            text-align: center;
            font-weight: 500;
            border: 1px dashed #adb5bd;
        }
        
        @media (max-width: 768px) {
            .container {
                padding: 30px 20px;
            }
            
            h1 {
                font-size: 1.8rem;
            }
            
            .captcha-container {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            
            .refresh-captcha {
                align-self: flex-end;
            }
        }