* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft YaHei", Arial, sans-serif;
        }
        
        body {
            background-color: #f2f2f2;
            color: #333;
        }
        
        .header {
            background-color: #3385ff;
            height: 60px;
            padding: 0 10%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: white;
        }
        
        .logo {
            font-size: 24px;
            font-weight: bold;
        }
        
        .search-box {
            width: 50%;
            display: flex;
        }
        
        .search-box input {
            width: 80%;
            padding: 8px;
            border: none;
            border-radius: 4px 0 0 4px;
        }
        
        .search-box button {
            width: 20%;
            padding: 8px;
            background-color: #ff9900;
            color: white;
            border: none;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
        }
        
        .user-info {
            display: flex;
            align-items: center;
        }
        
        .user-info a {
            color: white;
            margin-left: 15px;
            text-decoration: none;
        }
        
        .nav {
            background-color: #f8f8f8;
            height: 40px;
            padding: 0 10%;
            display: flex;
            align-items: center;
            border-bottom: 1px solid #e7e7e7;
        }
        
        .nav a {
            margin-right: 20px;
            color: #555;
            text-decoration: none;
        }
        
        .nav a:hover {
            color: #3385ff;
        }
        
        .container {
            padding: 20px 10%;
            display: flex;
        }
        
        .main-content {
            width: 100%;
            background-color: white;
            border-radius: 4px;
            padding: 15px;
        }
        
        .bar-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
            border-bottom: 2px solid #3385ff;
            margin-bottom: 20px;
        }
        
        .bar-title {
            font-size: 24px;
            color: #3385ff;
        }
        
        .post-btn {
            background-color: #3385ff;
            color: white;
            padding: 8px 15px;
            border: none;
            border-radius: 4px;
            cursor: pointer;
        }
        
        .post-list {
            width: 100%;
            border-collapse: collapse;
        }
        
        .post-list th {
            background-color: #f5f5f5;
            padding: 10px;
            text-align: left;
            border-bottom: 1px solid #ddd;
        }
        
        .post-list td {
            padding: 12px 10px;
            border-bottom: 1px solid #eee;
        }
        
        .post-title {
            color: #333;
            text-decoration: none;
            font-size: 16px;
        }
        
        .post-title:hover {
            color: #3385ff;
        }
        
        .post-author {
            color: #666;
            font-size: 14px;
        }
        
        .post-info {
            color: #999;
            font-size: 12px;
            text-align: center;
        }
        
        .post-reply {
            color: #ff9900;
        }
        
        .pagination {
            display: flex;
            justify-content: center;
            margin-top: 20px;
        }
        
        .pagination a {
            padding: 5px 10px;
            margin: 0 5px;
            border: 1px solid #ddd;
            color: #555;
            text-decoration: none;
        }
        
        .pagination a.active {
            background-color: #3385ff;
            color: white;
            border-color: #3385ff;
        }
        
        .footer {
            background-color: #f8f8f8;
            padding: 20px 10%;
            text-align: center;
            color: #999;
            font-size: 12px;
            border-top: 1px solid #e7e7e7;
        }
        
        .sort-tabs {
            display: flex;
            margin-bottom: 15px;
            border-bottom: 1px solid #eee;
        }
        
        .sort-tab {
            padding: 8px 15px;
            margin-right: 5px;
            color: #555;
            text-decoration: none;
            border: 1px solid #eee;
            border-bottom: none;
            border-radius: 4px 4px 0 0;
        }
        
        .sort-tab.active {
            background-color: #3385ff;
            color: white;
            border-color: #3385ff;
        }