* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }
        
        body {
            background-color: #f8fafc;
            color: #334155;
            line-height: 1.6;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        
        /* 头部样式 */
        header {
            text-align: center;
            padding: 40px 20px;
            background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
            color: white;
            border-radius: 0 0 20px 20px;
            margin-bottom: 40px;
            box-shadow: 0 4px 12px rgba(79, 70, 229, 0.2);
        }
        
        .logo {
            font-size: 2.8rem;
            margin-bottom: 10px;
        }
        
        h1 {
            font-size: 2.5rem;
            margin-bottom: 15px;
            font-weight: 700;
        }
        
        .subtitle {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 25px;
            opacity: 0.9;
        }
        
        /* 统计信息样式 */
        .stats-container {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 30px;
            margin-top: 30px;
        }
        
        .stat-box {
            background-color: rgba(255, 255, 255, 0.15);
            padding: 20px 30px;
            border-radius: 12px;
            min-width: 180px;
            backdrop-filter: blur(10px);
        }
        
        .stat-value {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 5px;
        }
        
        .stat-label {
            font-size: 1rem;
            opacity: 0.9;
        }
        
        /* 主要内容区域 */
        .content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
            margin-bottom: 50px;
        }
        
        .card {
            background-color: white;
            border-radius: 16px;
            padding: 30px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        
        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 25px rgba(0, 0, 0, 0.08);
        }
        
        .card-title {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
            color: #4f46e5;
        }
        
        .card-title i {
            font-size: 1.8rem;
            margin-right: 12px;
        }
        
        .parent {
            display: flex;
            justify-content: center;
            align-items: center;
            height: 2vh;
        }
        
        h2 {
            font-size: 1.6rem;
            font-weight: 600;
        }
        
        .card-content ul {
            padding-left: 20px;
            margin-bottom: 20px;
        }
        
        .card-content li {
            margin-bottom: 10px;
        }
        
        .highlight {
            background-color: #f1f5f9;
            border-left: 4px solid #4f46e5;
            padding: 20px;
            border-radius: 0 8px 8px 0;
            margin: 25px 0;
        }
        
        .highlight-title {
            font-weight: 600;
            color: #4f46e5;
            margin-bottom: 8px;
        }
        
        /* 按钮样式 */
        .btn {
            display: inline-block;
            background: linear-gradient(to right, #4f46e5, #7c3aed);
            color: white;
            padding: 14px 28px;
            border-radius: 10px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            border: none;
            cursor: pointer;
            transition: all 0.3s;
            text-align: center;
            width: 100%;
            margin-top: 10px;
        }
        
        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(79, 70, 229, 0.3);
        }
        
        .btn-secondary {
            background: #f1f5f9;
            color: #475569;
        }
        
        .btn-secondary:hover {
            background: #e2e8f0;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
        }
        
        .btn-container {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }
        
        .btn-container .btn {
            flex: 1;
        }
        
        /* 步骤指示器 */
        .steps {
            display: flex;
            justify-content: space-between;
            position: relative;
            margin: 40px 0 60px;
        }
        
        .steps::before {
            content: '';
            position: absolute;
            top: 20px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: #e2e8f0;
            z-index: 1;
        }
        
        .step {
            text-align: center;
            position: relative;
            z-index: 2;
            background-color: #f8fafc;
            padding: 0 15px;
        }
        
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background-color: #4f46e5;
            color: white;
            border-radius: 50%;
            font-weight: 700;
            margin-bottom: 10px;
        }
        
        .step-text {
            font-weight: 600;
            font-size: 0.95rem;
        }
        
        /* 页脚样式 */
        footer {
            text-align: center;
            padding: 30px 20px;
            margin-top: 50px;
            background-color: #1e293b;
            color: #cbd5e1;
            border-radius: 20px 20px 0 0;
        }
        
        .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 25px;
            margin: 20px 0;
        }
        
        .footer-links a {
            color: #cbd5e1;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-links a:hover {
            color: white;
        }
        
        .copyright {
            margin-top: 20px;
            font-size: 0.9rem;
            color: #94a3b8;
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            h1 {
                font-size: 2rem;
            }
            
            .logo {
                font-size: 2.2rem;
            }
            
            .stat-box {
                min-width: 140px;
                padding: 15px 20px;
            }
            
            .stat-value {
                font-size: 1.8rem;
            }
            
            .btn-container {
                flex-direction: column;
            }
            
            .steps {
                flex-direction: column;
                align-items: flex-start;
                gap: 30px;
            }
            
            .steps::before {
                display: none;
            }
            
            .step {
                display: flex;
                align-items: center;
                text-align: left;
                padding: 0;
                background: none;
            }
            
            .step-number {
                margin-right: 15px;
                margin-bottom: 0;
                flex-shrink: 0;
            }
        }