@layer utilities {
            .text-shadow {
                text-shadow: 0 2px 4px rgba(0,0,0,0.1);
            }
            .transition-all-300 {
                transition: all 0.3s ease;
            }
            .glass-effect {
                background: rgba(255, 255, 255, 0.7);
                backdrop-filter: blur(10px);
                -webkit-backdrop-filter: blur(10px);
            }
        }
        .format-info {
            background-color: #e9f7ef;
            border-left: 4px solid #28a745;
            padding: 15px;
            margin: 15px 0;
        }
        .format-info h3 {
            margin-top: 0;
        }
        .format-example {
            background-color: #f8f9fa;
            border: 1px solid #dee2e6;
            border-radius: 4px;
            padding: 15px;
            font-family: monospace;
            white-space: pre-wrap;
            overflow-x: auto;
        }
        .card {
            background: white;
            border-radius: 8px;
            padding: 20px;
            margin-bottom: 20px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        .card h2 {
            margin-top: 0;
            color: #444;
        }
        .btn {
            display: inline-block;
            padding: 10px 20px;
            background-color: #007bff;
            color: white;
            text-decoration: none;
            border-radius: 4px;
            margin-right: 10px;
            margin-bottom: 10px;
        }
        .btn:hover {
            background-color: #0056b3;
        }
        
        /* 自定义滚动条 */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #f1f1f1;
        }
        ::-webkit-scrollbar-thumb {
            background: #c1c1c1;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #a1a1a1;
        }
        
        /* 产品卡片悬停效果 */
        .product-card {
            transition: all 0.3s ease;
        }
        .product-card:hover {
            transform: translateY(-5px);
        }
        
        /* 价格计算器滑块样式 */
        input[type="range"] {
            -webkit-appearance: none;
            height: 8px;
            background: #e5e7eb;
            border-radius: 4px;
            background-image: linear-gradient(#1a56db, #1a56db);
            background-repeat: no-repeat;
        }
        input[type="range"]::-webkit-slider-thumb {
            -webkit-appearance: none;
            height: 20px;
            width: 20px;
            border-radius: 50%;
            background: #1a56db;
            cursor: pointer;
            box-shadow: 0 0 2px 0 #555;
            transition: background .3s ease-in-out;
        }
        input[type="range"]::-webkit-slider-runnable-track {
            -webkit-appearance: none;
            box-shadow: none;
            border: none;
            background: transparent;
        }