/* 原始容器样式 */
    .product-container {
        display: flex;
        width: 95%;
        max-width: 1440px;
        margin-top: -30px;
        border-radius: 10px;
        margin: 5% auto;
        overflow: hidden;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        background: #f9f9f9;
    }
    .sidebar {
        width: 25%;
        display: flex;
        flex-direction: column;
        background: #00AEEF;
        padding: 20px 10px;
        border-radius: 10px 0 0 10px;
    }
    .content {
        flex-grow: 1;
        padding: 30px;
        background: white;
        font-size: 16px;
        border-radius: 0 10px 10px 0;
    }
    .tab {
        background-color: white;
        color: #00AEEF;
        font-size: 18px;
        font-weight: bold;
        padding: 12px;
        border-radius: 5px;
        margin: 5px 0;
        cursor: pointer;
        text-align: center;
        transition: 0.3s;
    }
    .tab:hover, 
    .tab.active {
        background-color: #0079A5;
        color: white;
    }
    .hidden {
        display: none;
    }
    .description-title {
        color: #00AEEF;
        text-align: center;
        font-size: 42px;
        font-weight: bold;
        margin-bottom: 20px;
    }
    h3 {
        color: #333;
        border-bottom: 2px solid #00AEEF;
        padding-bottom: 5px;
    }

    /* 列表样式 */
    .content ul {
        list-style: none;
        padding-left: 1.5em;
        margin: 15px 0;
    }
    
    .content ul li {
        position: relative;
        padding: 8px 0 8px 25px;
        line-height: 1.6;
        color: #444;
        transition: all 0.2s ease;
        border-bottom: 1px solid #ddd;
    }

    .content ul li::before {
        content: "➤";
        color: #00AEEF;
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
        font-size: 0.9em;
        margin-right: 10px;
    }

    .content ul li:hover {
        color: #0079A5;
        padding-left: 28px;
        border-bottom-color: #00AEEF;
    }