:root {
            --primary-color: #0071e3;
            --secondary-color: #0071e39a;
            --text-color: #333;
            --light-gray: #f5f5f5;
            --border-color: #ddd;
            --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Helvetica Neue', Arial, sans-serif;
        }
        
        .main-area {
            background-color: #f9f9f9;
            color: var(--text-color);
            line-height: 1.6;
            padding: 80px;
            margin: 0 auto;
        }
        
        .main-area h1 {
            text-align: left;
            margin-bottom: 30px;
            color: #000000;
            font-weight: 600;
        }

        .banner{
            display: flex;
            gap: 20px;
        }

        .image-container{
            flex: 2;
            min-width: 0;
        }

        .customization-container{
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between; 
        }
        
        .section {
            background: white;
            border-radius: 8px;
            padding: 20px;
            margin-bottom: 20px;
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
        }
        
        .section:hover {
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .section-title {
            font-size: 23px;
            font-weight: 500;
            margin-bottom: 5px;
        }
        
        .section-subtitle {
            font-size: 15px;
            font-weight: 500;
            color: #666;
            margin-bottom: 15px;
        }
        
        .options-container {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        
        .option {
            border: 1px solid var(--border-color);
            border-radius: 10px;
            box-sizing: border-box;
            padding: 15px;
            flex: 1 1 calc(33% - 10px);
            min-width: 100%;
            cursor: pointer;
            transition: all 0.2s ease;
        }
        
        .option:hover {
            border-color: transparent;
            box-shadow: 0 0 0 2px var(--primary-color); 
        }
        
        .option.selected {
            border-color: transparent;
            box-shadow: 0 0 0 2px var(--primary-color);
            background-color: #f0f8ffa1;
        }
        
        .option-title {
            font-weight: 500;
            margin-bottom: 5px;
        }
        
        .option-subtitle {
            font-size: 13px;
            color: #666;
            margin-bottom: 8px;
        }
        
        .option-price {
            font-weight: bold;
            color: var(--primary-color);
        }


        .total-price{
            font-weight: 600;
        }

        .summary {
            display: flex;
            gap: 20px;
            padding-top: 50px;
        }

        .summary-details{
            flex: 2;
            flex-wrap: wrap;
            gap: 20px;
        }
        #summary-details{ 
            width: 100%;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    padding-bottom: 20px;
        }

        .summary-items{
            font-size: 18px;
            flex: 1;
            min-width: 0;
        }

.detail-item {
    width: calc(25% - 15px); /* 每行显示 3 个 */
    text-align: center;
    font-size: 14px;
    color: #555;
}

.detail-item img {
    width: 100%;
    max-width: 100px;
    height: auto;
    margin-bottom: 8px;
    border-radius: 6px;
}

.detail-name {
    text-align: left;
    word-break: break-all;
}

        .btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: 6px;
            padding: 12px 20px;
            width: 100%;
            font-size: 16px;
            cursor: pointer;
            margin-top: 15px;
            transition: background-color 0.3s;
        }
        
        /* .btn:hover {
            background-color: var(--secondary-color);
        } */
        
        @media (max-width: 600px) {
            .option {
                flex: 1 1 100%;
            }
        }