* {
            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;
            display: flex;
        }
        
        /* 左侧内容区 */
        .content-area {
            flex: 1;
            background-color: #fff;
            padding: 20px;
            box-shadow: 0 0 5px rgba(0,0,0,0.1);
            margin-right: 20px;
        }
        .header {
            border-bottom: 1px solid #eee;
            padding-bottom: 15px;
            margin-bottom: 20px;
        }
        .header h1 {
            font-size: 24px;
            color: #333;
            margin-bottom: 10px;
        }
        .meta {
            color: #999;
            font-size: 12px;
        }
        .meta span {
            margin-right: 15px;
        }
        .content {
            padding: 0 10px;
        }
        .step {
            margin-bottom: 30px;
        }
        .step h2 {
            font-size: 18px;
            color: #333;
            margin-bottom: 15px;
            padding-left: 10px;
            border-left: 3px solid #38f;
        }
        .step p {
            margin-bottom: 15px;
            font-size: 14px;
            text-align: justify;
        }
        .step-img {
            text-align: center;
            margin: 15px 0;
        }
        .step-img img {
            max-width: 100%;
            border: 1px solid #eee;
        }
        .step-img p {
            color: #999;
            font-size: 12px;
            text-align: center;
        }
        .tips {
            background-color: #f8f8f8;
            border-left: 3px solid #ff6b6b;
            padding: 15px;
            margin: 20px 0;
        }
        .tips h3 {
            color: #ff6b6b;
            font-size: 16px;
            margin-bottom: 10px;
        }
        
        /* 右侧边栏 */
        .sidebar {
            width: 280px;
            background-color: #fff;
            box-shadow: 0 0 5px rgba(0,0,0,0.1);
            padding: 15px;
        }
        .sidebar-title {
            font-size: 16px;
            color: #333;
            padding-bottom: 10px;
            border-bottom: 1px solid #eee;
            margin-bottom: 15px;
        }
        .sidebar-section {
            margin-bottom: 25px;
        }
        .hot-list {
            list-style: none;
        }
        .hot-list li {
            margin-bottom: 12px;
            padding-left: 15px;
            position: relative;
        }
        .hot-list li:before {
            content: "";
            position: absolute;
            left: 0;
            top: 8px;
            width: 4px;
            height: 4px;
            background-color: #999;
            border-radius: 50%;
        }
        .hot-list a {
            color: #333;
            text-decoration: none;
            font-size: 14px;
            display: block;
            line-height: 1.4;
        }
        .hot-list a:hover {
            color: #38f;
        }
        .author-card {
            display: flex;
            align-items: center;
            padding: 10px 0;
            border-bottom: 1px solid #eee;
            margin-bottom: 15px;
        }
        .author-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            margin-right: 10px;
        }
        .author-info h4 {
            font-size: 14px;
            margin-bottom: 5px;
        }
        .author-info p {
            font-size: 12px;
            color: #999;
        }
        .tag-list {
            display: flex;
            flex-wrap: wrap;
        }
        .tag {
            padding: 3px 10px;
            background-color: #f5f5f5;
            color: #666;
            font-size: 12px;
            border-radius: 3px;
            margin-right: 8px;
            margin-bottom: 8px;
        }
        
        /* 底部区域 */
        .footer {
            width: 1200px;
            margin: 30px auto;
            padding-top: 20px;
            border-top: 1px solid #eee;
            color: #999;
            font-size: 12px;
            text-align: center;
        }