/* 商城样式 */
    .shop-intro {
        text-align: center;
        margin: 15px 0 25px;
        color: #666;
        font-size: 0.95em;
    }
    
    .shop-tabs {
        display: flex;
        border-bottom: 2px solid var(--primary);
        margin-bottom: 20px;
    }
    
    .tab-btn {
        padding: 10px 20px;
        background: none;
        border: none;
        cursor: pointer;
        font-size: 1em;
        color: #555;
        transition: all 0.3s;
        border-radius: 5px 5px 0 0;
    }
    
    .tab-btn.active {
        background-color: var(--primary);
        color: white;
        font-weight: bold;
    }
    
    .tab-btn:hover:not(.active) {
        background-color: #f0f0f0;
    }
    
    .tab-content {
        display: none;
        animation: fadeIn 0.5s;
    }
    
    @keyframes fadeIn {
        from {opacity: 0;}
        to {opacity: 1;}
    }
    
    .item-table {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 30px;
        box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    }
    
    .item-table th {
        background-color: var(--primary);
        color: white;
        padding: 12px 15px;
        text-align: left;
    }
    
    .item-table td {
        padding: 10px 15px;
        border-bottom: 1px solid #ddd;
        vertical-align: middle;
    }
    
    .item-table tr:nth-child(even) {
        background-color: #f9f9f9;
    }
    
    .item-table tr:hover {
        background-color: #f1f1f1;
    }
    
    /* 库存状态标签 */
    .stock-available {
        color: #27ae60;
        font-weight: bold;
    }
    
    .stock-normal {
        color: #f39c12;
        font-weight: bold;
    }
    
    .stock-limited {
        color: #e74c3c;
        font-weight: bold;
    }
    
    .stock-rare {
        color: #9b59b6;
        font-weight: bold;
    }
    
    .stock-unlimited {
        color: #3498db;
        font-weight: bold;
    }
    
    .purchase-notes {
        background-color: #f8f9fa;
        padding: 15px 20px;
        border-radius: 5px;
        border-left: 4px solid var(--primary);
        margin-top: 20px;
    }
    
    .purchase-notes h3 {
        margin-top: 0;
        color: #333;
    }
    
    .purchase-notes ol {
        padding-left: 20px;
        margin-bottom: 0;
    }
    
    .purchase-notes li {
        margin-bottom: 8px;
    }