* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft YaHei", sans-serif;
        }
        
        body {
            background-color: #f5f5f5;
            color: #333;
        }
        
        /* 顶部区域 */
        .header {
            color: white;
            padding: 30px 0;
            background-color: #ffffff;
             background: white url(../img/school1.png) no-repeat 750px;
        }
        
        .header-container {
            width: 1300px;
           
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            display: flex;
            align-items: center;
        }
        
        .logo img {
            height: 60px;
            margin-right: 15px;
        }
        
        .logo-text h1 {
            font-size: 24px;
            margin-bottom: 5px;
        }
        
        .logo-text p {
            font-size: 14px;
        }
        
        /* 搜索框样式 - 优化部分 */
        .search {
            display: flex;
            align-items: center;
        }
        
        .search input[type="text"] {
            padding: 8px 15px;
            border: 1px solid #ddd;
            border-top-left-radius: 20px;
             border-bottom-left-radius: 20px;
            font-size: 14px;
            width: 200px;
            outline: none;
            transition: all 0.3s;
        }
        
        .search input[type="text"]:focus {
            border-color: #da251e;
            box-shadow: 0 0 5px rgba(113, 0, 6, 0.3);
        }
        
        .search button {
            background-color: #fff;
            color: #da251e;
            border: 1px solid #da251e;
             border-top-right-radius: 20px;
             border-bottom-right-radius: 20px;
            padding: 8px 15px;
            cursor: pointer;
            font-size: 14px;
            transition: all 0.3s;
        }
        
        .search button:hover {
            background-color: #da251e;
            color: white;
        }
        
        /* 导航栏 */
         /* 导航栏样式 */
    .nav {
        background-color: #da251e;
    }
    
    .nav-container {
        width: 1300px;
        margin: 0 auto;
        position: relative;
    }
    
    .nav-list {
        display: flex;
        list-style: none;
    }
    
    .nav-list > li {
        position: relative;
      
        width:122px;
        text-align: center;
          height: 57px;
          line-height: 25px;
                position: relative;
    }
    
    .nav-list > li > a {
        display: block;
        color: white;
        text-decoration: none;
        padding: 15px 25px;
        font-size: 16px;
        transition: all 0.3s;
            font-size: 15px;
              background: url(../img/nav_bg.png) no-repeat 3px 10px;
    height: 46px;
    display: block;
    position: relative;
    color: #fff;
    font-weight: bold
    }
    
    .nav-list > li:hover {
        background-color: #8a0007;

    }
    
    /* 二级菜单样式 */
    .nav-list .submenu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 200px;
        background-color: white;
        box-shadow: 0 3px 10px rgba(0,0,0,0.2);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s;
        z-index: 100;
    }
    
    .nav-list > li:hover .submenu {
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list .submenu li {
        border-bottom: 1px solid #f0f0f0;
    }
    
    .nav-list .submenu li:last-child {
        border-bottom: none;
    }
    
    .nav-list .submenu a {
        display: block;
        padding: 12px 20px;
        color: #333;
        text-decoration: none;
        transition: all 0.2s;
    }
    
    .nav-list .submenu a:hover {
        background-color: #f5f5f5;
        color: #710006;
        padding-left: 25px;
    }
    
    /* 指示箭头 */
    .nav-list > li.has-submenu > a::after {
       
        font-size: 14px;
    }
        /* 主要内容区 */
        .main {
            width: 1300px;
            margin: 20px auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            padding-bottom: 30px;
        }
        
        /* 第一排三列布局 */
        .first-row {
            display: flex;
            width: 100%;
            margin-bottom: 20px;
            justify-content: space-between;
        }
        
        .image-news {
            width: 480px;
            background-color: white;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        .image-list img{
            width: 100%;
        }
        .college-news {
            width: 500px;
            background-color: white;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        
        .quick-links {
            width: 300px;
            background-color: white;
        }
        
        /* 第二排三列布局 - 通知公告、学生工作、教学工作 */
        .second-row {
            display: flex;
            width: 100%;
            margin-bottom: 20px;
            justify-content: space-between;
        }
        
        .second-row .section {
            width: 32%;
        }
        
        /* 第三排两列布局 - 人才动态、学术科研 */
        .third-row {
            display: flex;
            width: 100%;
            justify-content: space-between;
        }
        
        .third-row .section {
            width: 49%;
        }
        
        /* 通用栏目样式 */
        .section {
            background-color: white;
            margin-bottom: 20px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        
        /* 修改后的标题栏样式 */
        .section-title {
            display: flex;
            font-size: 18px;
        }
        
        .section-title span {
            background-color: #da251e;
            color: white;
            padding: 10px 15px;
           
        }
        
        .section-title .more {
            background-color: #F2F2F2;
            color: #666;
            padding: 10px 15px;
            font-size: 14px;
            text-decoration: none;
            display: flex;
            align-items: center;
             flex-grow: 1;
            justify-content: flex-end;
        }
        .section-title a{
               color: #666;
                 text-decoration: none;
        }
        .section-title a:hover {
            color: #da251e;
        }
        
        .section-content {
            padding: 0 15px;
        }
        
        /* 图片新闻轮播 */
        .image-slider {
            height: 250px;
            position: relative;
            overflow: hidden;
        }
        
        .image-slider img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .image-news-list {
            padding: 10px 15px;
        }
        
        .image-news-list li {
            padding: 8px 0;
            border-bottom: 1px dashed #eee;
        }
        
        .image-news-list li:last-child {
            border-bottom: none;
        }
        
        .image-news-list li a {
            color: #333;
            text-decoration: none;
            display: flex;
            align-items: center;
        }
        
        .image-news-list li a:hover {
            color: #da251e;
        }
        
        .image-news-list li img {
            width: 80px;
            height: 60px;
            margin-right: 10px;
            object-fit: cover;
        }
        
        /* 新闻列表 */
        .news-list {
            list-style: none;
        }
        
        .news-list li {
            padding: 10px 0;
            border-bottom: 1px dashed #eee;
            display: flex;
            justify-content: space-between;
        }
        
        .news-list li:last-child {
            border-bottom: none;
        }
        
        .news-list li a {
            color: #333;
            text-decoration: none;
            flex-grow: 1;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        
        .news-list li a:hover {
            color: #da251e;
        }
        
        .news-list li span {
            color: #999;
            font-size: 12px;
            margin-left: 10px;
            line-height:20px;
        }
        
        /* 快捷栏目 */
        .quick-links-list {
            list-style: none;
            padding: 15px;
            padding-top: 25px;
        }
        
        .quick-links-list li {
            margin-bottom: 10px;
        }
        
        .quick-links-list li a {
            display: block;
            background-color: #f5f5f5;
            color: #333;
            text-decoration: none;
            text-align: center;
            transition: all 0.3s;
        }
        
        .quick-links-list li a:hover {
            background-color: #da251e;
            color: white;
        }
        .quick-links-list li a img {
        transition: transform 0.3s ease;
      
    }
      .quick-links-list li a:hover img {
        transform: scale(1.05);
    }
        /* 页脚 */
        .footer {
            background: url(../img/xzl.png) center center no-repeat;
            background-size:cover;
            color: white;
            padding: 30px 0;
            text-align: center;
        }
        
        .footer-container {
            min-width: 1320px;
            max-width: 90%;
            margin: 0 auto;
        }
        
        .footer-links {
            display: flex;
            justify-content: center;
            margin-bottom: 15px;
        }
        
        .footer-links a {
            color: white;
            text-decoration: none;
            margin: 0 15px;
        }
        
        .footer-links a:hover {
            text-decoration: underline;
        }
        
        .copyright {
            font-size: 14px;
        }