* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft YaHei", sans-serif;
        }
        body {
            background-color: #f5f5f5;
            color: #333;
            line-height: 1.6;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        header {
            background-color: #d81e06;
            color: white;
            padding: 15px 0;
            margin-bottom: 20px;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 24px;
            font-weight: bold;
        }
        .search-box {
            display: flex;
        }
        .search-box input {
            padding: 8px 12px;
            border: none;
            border-radius: 4px 0 0 4px;
            width: 200px;
        }
        .search-box button {
            padding: 8px 15px;
            background-color: #333;
            color: white;
            border: none;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
        }
        nav {
            background-color: #333;
        }
        .nav-container {
            display: flex;
            justify-content: center;
        }
        .nav-menu {
            display: flex;
            list-style: none;
        }
        .nav-menu li {
            position: relative;
        }
        .nav-menu a {
            display: block;
            color: white;
            text-decoration: none;
            padding: 15px 20px;
            transition: background-color 0.3s;
        }
        .nav-menu a:hover {
            background-color: #d81e06;
        }
        /* 改进后的置顶热点区域 */
        .hot-news {
            background: linear-gradient(135deg, #fff 0%, #f9f9f9 100%);
            padding: 20px;
            margin-bottom: 30px;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            border-left: 5px solid #d81e06;
            position: relative;
            overflow: hidden;
        }
        .hot-news::before {
            content: "HOT";
            position: absolute;
            top: 10px;
            right: 10px;
            font-size: 60px;
            font-weight: bold;
            color: rgba(216,30,6,0.05);
            z-index: 0;
        }
        .hot-news h2 {
            color: #d81e06;
            border-bottom: 2px solid #eee;
            padding-bottom: 10px;
            margin-bottom: 20px;
            font-size: 22px;
            position: relative;
            z-index: 1;
        }
        .hot-news h2::after {
            content: "";
            display: block;
            width: 50px;
            height: 3px;
            background-color: #d81e06;
            margin-top: 10px;
        }
        .hot-news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .hot-news-item {
            background-color: white;
            border-radius: 6px;
            overflow: hidden;
            box-shadow: 0 3px 10px rgba(0,0,0,0.08);
            transition: transform 0.3s, box-shadow 0.3s;
            position: relative;
            z-index: 1;
        }
        .hot-news-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .hot-news-item.featured {
            grid-column: span 2;
        }
        .hot-news-item .image-placeholder {
            height: 180px;
            background-color: #eee;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .hot-news-item.featured .image-placeholder {
            height: 220px;
        }
        .hot-news-item .image-placeholder::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 50%;
            background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
        }
        .hot-news-item .hot-tag {
            position: absolute;
            top: 10px;
            left: 10px;
            background-color: #d81e06;
            color: white;
            padding: 3px 8px;
            border-radius: 3px;
            font-size: 12px;
            z-index: 2;
        }
        .hot-news-item .content {
            padding: 15px;
        }
        .hot-news-item.featured .content {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            color: white;
            background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
            padding: 20px;
        }
        .hot-news-item h3 {
            font-size: 16px;
            margin-bottom: 8px;
        }
        .hot-news-item.featured h3 {
            font-size: 20px;
        }
        .hot-news-item p {
            font-size: 14px;
            color: #666;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .hot-news-item.featured p {
            color: rgba(255,255,255,0.9);
        }
        .hot-news-item .meta {
            font-size: 12px;
            color: #999;
            display: flex;
            justify-content: space-between;
        }
        .hot-news-item.featured .meta {
            color: rgba(255,255,255,0.7);
        }
        .news-row {
            display: flex;
            flex-wrap: wrap;
            margin: 0 -10px 20px;
        }
        .news-section {
            flex: 0 0 calc(50% - 20px);
            background-color: #fff;
            padding: 20px;
            margin: 0 10px 20px;
            border-radius: 8px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.08);
        }
        .news-section h2 {
            color: #d81e06;
            border-bottom: 2px solid #eee;
            padding-bottom: 10px;
            margin-bottom: 15px;
            font-size: 20px;
            position: relative;
        }
        .news-section h2::after {
            content: "";
            display: block;
            width: 40px;
            height: 3px;
            background-color: #d81e06;
            margin-top: 10px;
        }
        .news-section ul {
            list-style: none;
        }
        .news-section li {
            padding: 10px 0;
            border-bottom: 1px dashed #eee;
            display: flex;
        }
        .news-section li:last-child {
            border-bottom: none;
        }
        .news-section li::before {
            content: "•";
            color: #d81e06;
            margin-right: 10px;
        }
        .news-section a {
            color: #333;
            text-decoration: none;
            transition: color 0.3s;
            flex: 1;
        }
        .news-section a:hover {
            color: #d81e06;
            text-decoration: underline;
        }
        footer {
            background-color: #333;
            color: #fff;
            padding: 40px 0 20px;
            margin-top: 30px;
        }
        .footer-links {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .footer-column {
            flex: 1;
            min-width: 200px;
            margin-bottom: 20px;
        }
        .footer-column h3 {
            margin-bottom: 20px;
            font-size: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-column h3::after {
            content: "";
            display: block;
            width: 30px;
            height: 2px;
            background-color: #d81e06;
            position: absolute;
            bottom: 0;
            left: 0;
        }
        .footer-column ul {
            list-style: none;
        }
        .footer-column li {
            margin-bottom: 10px;
        }
        .footer-column a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-column a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid #444;
            color: #999;
            font-size: 14px;
        }