* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
        }
        
        body {
            background-color: #f5f5f5;
            color: #333;
            line-height: 1.6;
        }
        
        a {
            text-decoration: none;
            color: inherit;
        }
        
        .container {
            width: 1200px;
            margin: 0 auto;
        }
        
        /* 顶部导航 */
        .top-bar {
            background-color: #1479d7;
            height: 40px;
            line-height: 40px;
            color: white;
            font-size: 14px;
        }
        
        .top-bar .container {
            display: flex;
            justify-content: space-between;
        }
        
        .top-nav a {
            color: white;
            margin-left: 15px;
            transition: opacity 0.3s;
        }
        
        .top-nav a:hover {
            opacity: 0.8;
        }
        
        /* 主导航 */
        .main-nav {
            background-color: white;
            height: 80px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: relative;
            z-index: 100;
        }
        
        .main-nav .container {
            display: flex;
            align-items: center;
            height: 100%;
        }
        
        .logo {
            margin-right: 30px;
        }
        
        .logo img {
            height: 50px;
        }
        
        .nav-menu {
            display: flex;
            list-style: none;
        }
        
        .nav-menu li {
            margin-right: 25px;
            font-size: 16px;
            font-weight: bold;
            cursor: pointer;
            position: relative;
            padding: 30px 0;
        }
        
        .nav-menu li:hover {
            color: #1479d7;
        }
        
        .nav-menu li.active {
            color: #1479d7;
        }
        
        .nav-menu li.active::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background-color: #1479d7;
        }
        
        .search-box {
            margin-left: auto;
            display: flex;
        }
        
        .search-box input {
            padding: 8px 15px;
            border: 1px solid #ddd;
            border-radius: 4px 0 0 4px;
            width: 200px;
            outline: none;
            transition: border-color 0.3s;
        }
        
        .search-box input:focus {
            border-color: #1479d7;
        }
        
        .search-box button {
            background-color: #1479d7;
            color: white;
            border: none;
            padding: 8px 15px;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        
        .search-box button:hover {
            background-color: #0d6bb7;
        }
        
        /* 主要内容区 */
        .main-content {
            margin-top: 20px;
            display: flex;
        }
        
        .content-left {
            width: 820px;
            margin-right: 20px;
        }
        
        .content-right {
            width: 360px;
        }
        
        /* 改进后的左侧内容区样式 */
        /* 焦点图区域 - 现代卡片式设计 */
        .focus-news {
            height: 360px;
            background: linear-gradient(135deg, #1479d7, #00a8ff);
            margin-bottom: 20px;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: relative;
            color: white;
            display: flex;
            align-items: flex-end;
            padding: 30px;
        }
        
        .focus-content {
            position: relative;
            z-index: 2;
        }
        
        .focus-title {
            font-size: 28px;
            font-weight: bold;
            margin-bottom: 10px;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
        }
        
        .focus-desc {
            font-size: 16px;
            opacity: 0.9;
            max-width: 70%;
            line-height: 1.6;
            text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
        }
        
        .focus-news::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('https://mat1.gtimg.com/news/images/inews/2021/0810/news1.jpg') center/cover;
            opacity: 0.8;
            z-index: 1;
        }
        
        /* 新闻区块 - 卡片式设计 */
        .news-section {
            background-color: white;
            margin-bottom: 20px;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        
        .news-section:hover {
            transform: translateY(-5px);
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
        }
        
        .section-header {
            padding: 16px 20px;
            border-bottom: 1px solid #f0f0f0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background-color: #f9f9f9;
        }
        
        .section-title {
            font-size: 18px;
            font-weight: bold;
            color: #1479d7;
            position: relative;
            padding-left: 12px;
        }
        
        .section-title::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 16px;
            background-color: #1479d7;
            border-radius: 2px;
        }
        
        .more-link {
            font-size: 14px;
            color: #999;
            transition: color 0.3s;
        }
        
        .more-link:hover {
            color: #1479d7;
        }
        
        .news-list {
            padding: 0 20px;
        }
        
        .news-item {
            padding: 14px 0;
            border-bottom: 1px solid #f5f5f5;
            display: flex;
            align-items: center;
        }
        
        .news-item:last-child {
            border-bottom: none;
        }
        
        .news-item a {
            color: #333;
            font-size: 15px;
            line-height: 1.6;
            transition: color 0.3s;
            flex: 1;
        }
        
        .news-item a:hover {
            color: #1479d7;
        }
        
        .news-item .hot-icon {
            color: #ff4d4f;
            font-size: 12px;
            margin-right: 8px;
        }
        
        .news-item .time {
            font-size: 12px;
            color: #999;
            margin-left: 10px;
            white-space: nowrap;
        }
        
        /* 多图新闻样式 */
        .multi-image-news {
            display: flex;
            padding: 15px 0;
        }
        
        .multi-image-news .news-content {
            flex: 1;
            padding-right: 15px;
        }
        
        .multi-image-news .image-group {
            width: 180px;
            display: flex;
            flex-wrap: wrap;
        }
        
        .multi-image-news .image-item {
            width: 80px;
            height: 60px;
            margin: 0 5px 5px 0;
            background-color: #eee;
            border-radius: 4px;
            overflow: hidden;
            background-size: cover;
            background-position: center;
        }
        
        /* 特殊新闻标记 */
        .tag-hot {
            background-color: #ff4d4f;
            color: white;
            font-size: 12px;
            padding: 2px 6px;
            border-radius: 4px;
            margin-right: 8px;
        }
        
        .tag-new {
            background-color: #1479d7;
            color: white;
            font-size: 12px;
            padding: 2px 6px;
            border-radius: 4px;
            margin-right: 8px;
        }
        
        /* 右侧内容区 */
        /* 广告 */
        .ad-box {
            background-color: #f0f0f0;
            height: 200px;
            margin-bottom: 20px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #999;
            overflow: hidden;
            position: relative;
        }
        
        .ad-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .ad-label {
            position: absolute;
            bottom: 0;
            right: 0;
            background-color: rgba(0, 0, 0, 0.5);
            color: white;
            font-size: 12px;
            padding: 2px 8px;
            border-radius: 4px 0 0 0;
        }
        
        /* 热门新闻 */
        .hot-news-section {
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }
        
        .hot-news-header {
            padding: 16px 20px;
            background-color: #ff4d4f;
            color: white;
            font-size: 18px;
            font-weight: bold;
        }
        
        .hot-news-list {
            padding: 0 20px;
        }
        
        .hot-news-item {
            padding: 15px 0;
            border-bottom: 1px solid #f5f5f5;
            display: flex;
        }
        
        .hot-news-item:last-child {
            border-bottom: none;
        }
        
        .hot-news-rank {
            width: 24px;
            height: 24px;
            background-color: #ff4d4f;
            color: white;
            border-radius: 4px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 12px;
            font-size: 14px;
            flex-shrink: 0;
        }
        
        .hot-news-item:nth-child(1) .hot-news-rank {
            background-color: #ff4d4f;
        }
        
        .hot-news-item:nth-child(2) .hot-news-rank {
            background-color: #ff7d4f;
        }
        
        .hot-news-item:nth-child(3) .hot-news-rank {
            background-color: #ff9e4f;
        }
        
        .hot-news-content {
            flex: 1;
        }
        
        .hot-news-title {
            font-size: 15px;
            margin-bottom: 5px;
            color: #333;
            transition: color 0.3s;
        }
        
        .hot-news-title:hover {
            color: #1479d7;
        }
        
        .hot-news-info {
            font-size: 12px;
            color: #999;
        }
        
        /* 右侧其他区块 */
        .right-section {
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
            margin-bottom: 20px;
        }
        
        .right-section-header {
            padding: 16px 20px;
            border-bottom: 1px solid #f0f0f0;
            font-size: 16px;
            font-weight: bold;
            color: #333;
        }
        
        .right-section-content {
            padding: 15px 20px;
        }
        
        /* 页脚 */
        .footer {
            background-color: #333;
            color: #999;
            padding: 40px 0 30px;
            font-size: 14px;
            line-height: 1.8;
            margin-top: 30px;
        }
        
        .footer-container {
            width: 1200px;
            margin: 0 auto;
        }
        
        .footer-links {
            display: flex;
            justify-content: center;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        
        .footer-links a {
            color: #ccc;
            margin: 0 15px;
            transition: color 0.3s;
        }
        
        .footer-links a:hover {
            color: #1479d7;
        }
        
        .copyright {
            text-align: center;
            color: #777;
        }
        
        .footer-logo {
            text-align: center;
            margin-bottom: 20px;
        }
        
        .footer-logo img {
            height: 30px;
            opacity: 0.7;
        }