* { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: 'Plus Jakarta Sans', sans-serif; background: #f8fafc; }        
        /* 主色调 - 与首页完全一致 */
        .hero-gradient {
            background: linear-gradient(135deg, #0a1a3a 0%, #1e3a8a 50%, #2563eb 100%);
        }
        
        .gold-gradient {
            background: linear-gradient(135deg, #fbbf24, #f59e0b);         
        }
        
        .card-hover {
            transition: all 0.3s ease;
        }
        
        .card-hover:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 30px -10px rgba(37, 99, 235, 0.3);
        }
        
        .section-title {
            position: relative;
            display: inline-block;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, #fbbf24, #f59e0b);
            border-radius: 2px;
        }
        
        /* 铁三角卡片 */
        .triangle-card {
            background: white;
            border-radius: 32px;
            padding: 40px 32px;
            box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.1);
            border: 1px solid rgba(37, 99, 235, 0.1);
            transition: all 0.3s ease;
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        
        .triangle-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 30px 50px -20px rgba(37, 99, 235, 0.3);
            border-color: rgba(37, 99, 235, 0.3);
        }
        
        .triangle-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 6px;
            height: 100%;
            background: linear-gradient(135deg, #2563eb, #1e3a8a);
            opacity: 0;
            transition: opacity 0.3s;
        }
        
        .triangle-card:hover::before {
            opacity: 1;
        }
        
        .card-icon {
            width: 70px;
            height: 70px;
            background: rgba(37, 99, 235, 0.1);
            border-radius: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 28px;
        }
        
        .card-icon i {
            font-size: 36px;
            color: #2563eb;
        }
        
        /* 数字资产档案预览 */
        .asset-preview {
            background: #f8fafc;
            border-radius: 20px;
            padding: 24px;
            border: 1px solid #e2e8f0;
            position: relative;
            overflow: hidden;
        }
        
        .asset-preview::after {
            content: '📁';
            position: absolute;
            bottom: -10px;
            right: -10px;
            font-size: 80px;
            opacity: 0.1;
            transform: rotate(15deg);
        }
        
        .asset-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px dashed #e2e8f0;
        }
        
        .asset-item:last-child {
            border-bottom: none;
        }
        
        /* 承诺徽章 */
        .promise-badge {
            background: white;
            border-radius: 60px;
            padding: 12px 24px;
            display: inline-flex;
            align-items: center;
            gap: 12px;
            box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
            border: 1px solid #e2e8f0;
        }
        
        /* 响应式 */
        @media (max-width: 768px) {
            .triangle-card {
                padding: 30px 24px;
            }
            
            .card-icon {
                width: 60px;
                height: 60px;
            }
            
            .card-icon i {
                font-size: 30px;
            }
        }

        /* 导航栏样式 - 与首页完全一致 */
        .navbar {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        }