* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft YaHei", Arial, sans-serif;
        }
        body {
            background-color: #f5f5f5;
            color: #333;
            line-height: 1.6;
        }
        
        /* 顶部导航栏 */
        .top-bar {
            background-color: #fff;
            height: 60px;
            border-bottom: 1px solid #e4e4e4;
            box-shadow: 0 1px 5px rgba(0,0,0,0.1);
        }
        .top-container {
            width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            height: 100%;
        }
        .logo {
            margin-right: 30px;
        }
        .logo img {
            height: 30px;
        }
        .nav {
            display: flex;
        }
        .nav-item {
            margin-right: 25px;
            font-size: 16px;
            color: #333;
            text-decoration: none;
        }
        .nav-item:hover {
            color: #315efb;
        }
        .search-box {
            margin-left: auto;
            display: flex;
        }
        .search-input {
            width: 200px;
            height: 32px;
            padding: 0 10px;
            border: 1px solid #ddd;
            border-radius: 2px 0 0 2px;
            outline: none;
        }
        .search-btn {
            width: 40px;
            height: 32px;
            background-color: #315efb;
            color: white;
            border: none;
            border-radius: 0 2px 2px 0;
            cursor: pointer;
        }
        
        /* 主体内容区 */
        .main-container {
            width: 1200px;
            margin: 20px auto;
        }
        
        /* 轮播图区域 */
        .banner {
            height: 300px;
            background-color: #eee;
            margin-bottom: 20px;
            position: relative;
            overflow: hidden;
        }
        .banner img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        /* 分类导航 */
        .category-nav {
            background-color: #fff;
            padding: 15px;
            margin-bottom: 20px;
            display: flex;
            flex-wrap: wrap;
        }
        .category-item {
            width: 12.5%;
            text-align: center;
            margin-bottom: 15px;
        }
        .category-icon {
            width: 50px;
            height: 50px;
            margin: 0 auto 5px;
            background-color: #f8f8f8;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #315efb;
            font-size: 24px;
        }
        .category-name {
            font-size: 14px;
            color: #333;
        }
        
        /* 内容区块 */
        .content-block {
            background-color: #fff;
            margin-bottom: 20px;
            padding: 15px;
        }
        .block-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 1px solid #eee;
        }
        .block-title {
            font-size: 18px;
            color: #333;
        }
        .more-link {
            font-size: 14px;
            color: #999;
            text-decoration: none;
        }
        .more-link:hover {
            color: #315efb;
        }
        
        /* 经验列表 */
        .exp-list {
            display: flex;
            flex-wrap: wrap;
        }
        .exp-item {
            width: 25%;
            padding: 0 10px;
            margin-bottom: 20px;
        }
        .exp-card {
            border: 1px solid #eee;
            border-radius: 4px;
            overflow: hidden;
            transition: all 0.3s;
        }
        .exp-card:hover {
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            transform: translateY(-3px);
        }
        .exp-cover {
            height: 140px;
            overflow: hidden;
        }
        .exp-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s;
        }
        .exp-card:hover .exp-cover img {
            transform: scale(1.05);
        }
        .exp-info {
            padding: 10px;
        }
        .exp-title {
            font-size: 15px;
            margin-bottom: 8px;
            height: 42px;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }
        .exp-title a {
            color: #333;
            text-decoration: none;
        }
        .exp-title a:hover {
            color: #315efb;
        }
        .exp-meta {
            font-size: 12px;
            color: #999;
            display: flex;
            justify-content: space-between;
        }
        
        /* 热门作者 */
        .author-list {
            display: flex;
            flex-wrap: wrap;
        }
        .author-item {
            width: 20%;
            padding: 0 10px;
            margin-bottom: 15px;
        }
        .author-card {
            display: flex;
            align-items: center;
        }
        .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            margin-right: 10px;
        }
        .author-name {
            font-size: 14px;
            color: #333;
            margin-bottom: 3px;
        }
        .author-desc {
            font-size: 12px;
            color: #999;
        }
        
        /* 底部区域 */
        .footer {
            background-color: #fff;
            padding: 20px 0;
            margin-top: 30px;
            border-top: 1px solid #eee;
        }
        .footer-container {
            width: 1200px;
            margin: 0 auto;
            text-align: center;
            color: #999;
            font-size: 12px;
        }
        .footer-links {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #999;
            text-decoration: none;
            margin: 0 10px;
        }
        .footer-links a:hover {
            color: #315efb;
        }