/* 右侧内容区 */
        .content {
            margin-left: 280px;
            padding: 25px;
            width: calc(100% - 280px);
            min-height: 100vh;
        }
        
        .page-header {
            display: flex;
            flex-direction: column;
            gap: 15px;
            margin-bottom: 25px;
        }
        
        .page-title {
            font-size: 24px;
            color: #8B5A2B;
            font-weight: bold;
        }
        
        .category-btn {
            padding: 8px 15px;
            background-color: #E8D5B5;
            border-radius: 20px;
            transition: all 0.3s ease;
            font-size: 14px;
            white-space: nowrap;
        }
        
        .category-btn.active, .category-btn:hover {
            background-color: #D4C19C;
            color: #8B5A2B;
            transform: translateY(-2px);
        }
        
        /* 导航卡片样式 */
        .nav-card-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
        }
        
        .nav-card {
            background-color: white;
            border-radius: 5px;
            padding: 20px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
            transition: all 0.3s;
        }
        
        .nav-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .nav-card-title {
            font-size: 18px;
            color: #8B5A2B;
            margin-bottom: 10px;
            font-weight: normal;
            transition: all 0.3s;
        }
        
        .nav-card-title:hover {
            color: #5a4a3a;
        }
        
        .nav-card-meta {
            display: flex;
            margin-bottom: 12px;
            font-size: 13px;
            color: #a69b8a;
        }
        
        .nav-card-meta span {
            margin-right: 15px;
            display: flex;
            align-items: center;
        }
        
        .nav-card-meta i {
            margin-right: 5px;
            font-size: 14px;
        }
        
        .nav-card-desc {
            color: #7a6a5a;
            line-height: 1.8;
            margin-bottom: 15px;
        }
        
        .nav-card-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .nav-card-category {
            padding: 4px 10px;
            background-color: #F5E8C4;
            border-radius: 4px;
            font-size: 12px;
            color: #8B5A2B;
        }
        
        .visit-link {
            color: #8B5A2B;
            font-size: 14px;
            transition: all 0.3s;
            display: flex;
            align-items: center;
        }
        
        .visit-link:hover {
            color: #5a4a3a;
        }
        
        .visit-link i {
            margin-left: 5px;
            transition: all 0.3s;
        }
        
        .visit-link:hover i {
            transform: translateX(3px);
        }
        
        /* 微信公众号专区 */
        .wechat-section {
            margin-top: 40px;
            background-color: #f5f0e1;
            border-radius: 8px;
            padding: 20px;
        }
        
        .wechat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 20px;
            margin-top: 15px;
        }
        
        .wechat-card {
            background-color: white;
            border-radius: 5px;
            padding: 15px;
            text-align: center;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        }
        
        .wechat-qrcode{
            width: 120px;
            height: 120px;
            margin: 0 auto 10px;
            background-color: #f0f0f0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #999;
            font-size: 12px;
        }
        
        .wechat-qrcode img{
            width: 110px;
            height: 110px;
        }
        
        .wechat-name {
            font-weight: bold;
            margin-bottom: 5px;
            color: #8B5A2B;
        }
        
        .wechat-desc {
            font-size: 12px;
            color: #7a6a5a;
        }