/* 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;
        }

        /* 新增列表样式 */
        .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;
        }

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