@charset "utf-8";
    * {
        margin: 0;
        padding: 0;
        list-style: none;
        text-decoration: none;
        box-sizing: border-box;
    }
    h3,ul,li,ol,a { list-style: none; text-decoration: none; }
    body {
        font-family: 'Microsoft YaHei', sans-serif;
    }
html {
  font-size: 16px; /* 1rem = 16px */
}

/* 小屏幕（手机）：缩小根元素字体，所有rem字体同步缩小 */
@media screen and (max-width: 768px) {
  html {
    font-size: 15px; /* 1rem = 15px */
  }
}

/* 大屏幕（电脑）：放大根元素字体，所有rem字体同步放大 */
@media screen and (min-width: 1200px) {
  html {
    font-size: 18px; /* 1rem = 18px */
  }
}

 /* 外层容器 - 自适应 */
        .index_main2_box {
            width: 100%;
            max-width: 1600px;
            margin: 0 auto;
      
        }

        .slide-door {
            width: 100%;
          
        }

        /* 导航栏样式 */
        .nav-list {
            height: 50px;
            width: 100%;
            max-width: 1600px;
            display: flex;
            flex-flow: row nowrap;
            justify-content: space-between;
            align-items: center;

        }

        .nav-items-wrap {
           width: 100%;
           max-width: 510px;
           display: flex;
           flex: 0 1 auto;
           
        }

        .nav-item {
            flex:0 1 auto;
            width: 30%;
            min-width: 105px;
            margin-right: 3%;
            height: 100%;
            text-align: center;
            line-height: 65px;
            color: #000000;
            cursor: pointer;
            position: relative;
            z-index: 2;
            white-space: nowrap;
            font-size: 1.875rem;
            font-family: "微软雅黑";
        }

        /* 激活态样式 */
        .nav-item.active {
            color: #ae0001;
            font-weight: 600;
        }

        .nav-item.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background-color: #ae0001;
        }

        /* 更多按钮样式 */
        .more-wrap {
            height: 100%;
            z-index: 2;
            width: 100%;
            width: 100%;
            max-width: 100px;
            
        }

        .nav-more-item {
            height: 100%;
            line-height: 65px;
            padding: 0 15px;
            color: #000;
            cursor: pointer;
            font-size:18px;
            font-weight:bold;
            white-space: nowrap;
            text-align: right;
            display: none; /* 默认隐藏所有更多项 */
        }

        /* 激活状态的更多项：显示 */
        .nav-more-item.more-active {
            display: block;
        }

        /* 内容容器 - 自适应布局 */
        .content-wrap {
            width: 100%;
            overflow: hidden;
            background: url(../images/index_newsdbj.png) no-repeat center;
            background-size: cover;
            margin-top: 50px;
        }

        .content-item {
            display: none;
            width: 100%;
            padding: 20px;
        }

        .content-item.content-active {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
          
            /* IE兼容flex */
            display: -ms-flexbox;
            -ms-flex-wrap: wrap;
  
        }

        /* 焦点图容器 - 自适应 */
        .content-item_imgbox {
            width: 48.5%;
            min-width: 300px;
            max-height: 540px;
            position: relative;
            overflow: hidden;
            border-radius: 4px;
            /* IE兼容flex */
            /* -ms-flex: 1 1 400px;
            min-width: 300px; */
        }

        /* 焦点图轮播容器 - 兼容IE的布局 */
        .carousel {
            width: 100%;
            height: 100%;
            position: relative;
        }

        .carousel-items {
            width: 100%;
            height: 100%;
            position: relative; /* 改为相对定位，兼容IE */
            overflow: hidden;
        }

        .carousel-item {
            width: 100%;
            height: 100%;
            position: absolute; /* 改为绝对定位，替代transform */
            top: 0;
            left: 0;
            display: none; /* 默认隐藏 */
        }

        .carousel-item.active {
            display: block; /* 激活的图片显示 */
        }

        .carousel-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            /* IE兼容object-fit */
            *zoom: 1;
            *height: auto;
        }

        /* 焦点图标题 */
        .content-item_img_title {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            padding: 15px;
            background: linear-gradient(transparent, rgba(0,0,0,0.7));
            color: #fff;
            /* IE兼容渐变 */
            filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#00000000, endColorstr=#CC000000);
        }

        .content-item_img_title a {
            color: #fff;
            display: flex;
            align-items: center;
            gap: 15px;
            /* IE兼容flex */
            display: -ms-flexbox;
            -ms-flex-align: center;
            -ms-flex-gap: 15px;
        }

        .year_data {
             width:80px; 
             display: flex; 
             flex-flow: column nowrap; 
             text-align: center; 
        }

        .year_data .day {
             width: 100%; 
             font-size:33px; 
             line-height: 35px; 
             color: #af0e20; 
             font-family:Georgia;
        }

        .year_data .year {
            width: 100%; 
            font-size: 16px; 
            line-height: 35px; 
            color:#000;
        }

        .content-item_img_title_text {
            flex: 1;
            font-size: 16px;
            line-height: 1.4;
            /* IE兼容flex */
            -ms-flex: 1;
        }

        /* 焦点图切换按钮 */
        .carousel-btn {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 40px;
            height: 40px;
            background-color: rgba(0,0,0,0.5);
            color: #fff;
            border: none;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 10;
            transition: background-color 0.3s;
            /* IE兼容transform */
            margin-top: -20px;
            *position: absolute;
            *top: 50%;
        }

        .carousel-btn:hover {
            background-color: rgba(0,123,255,0.8);
        }

        .prev-btn {
            left: 10px;
        }

        .next-btn {
            right: 10px;
        }

        /* 焦点图指示器 */
        .carousel-indicators {
            position: absolute;
            bottom: 15px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 8px;
            z-index: 10;
            /* IE兼容transform */
            /* margin-left: -50%;
            *left: 50%; */
        }

        .indicator {
            width: 10px;
            height: 10px;
            margin: 5px 10px;
            border-radius: 50%;
            background-color: rgba(255,255,255,0.5);
            cursor: pointer;
            transition: background-color 0.3s, transform 0.3s;
        }

        .indicator.active {
            background-color: #007bff;
            transform: scale(1.2);
            /* IE兼容scale */
            *zoom: 1.2;
        }

        /* 文字列表区域 - 自适应 */
        .content-item-listbox {
            width:48.5%;
            padding: 30px;
            min-width: 300px;
            margin-left: 3%;
          
            /* IE兼容flex */
            /* -ms-flex: 1 1 48%;
            min-width: 300px; */
            background: #fff;
        }

        .content-item-listbox ul {
            display: flex; 
            flex-flow: column wrap; 
            justify-content: space-between;
            /* IE兼容flex */
            display: -ms-flexbox;
            -ms-flex-direction: column;
            -ms-flex-gap: 15px;
        }

        .content-item-listbox li {
            width:100%; padding:8px 0px; 
            border-bottom: 1px dashed #e6e6e6;
            transition: background-color 0.3s;
        }

        .content-item-listbox li:hover {
            background-color: #f8f9fa;
        }

        .content-item-listbox a {
             display: flex; 
             flex-flow: row nowrap; 
             justify-content: space-between;
            /* IE兼容flex */
            display: -ms-flexbox;
            -ms-flex-align: center;
            color:#000 ;
            /* -ms-flex-gap: 15px; */
        }

        /* 响应式适配 - 小屏幕 */
        @media (max-width: 768px) {
            .nav-list {
              
                padding: 10px;
                align-items: flex-start;
        
            }

            .nav-items-wrap {
              
                margin-bottom: 10px;
         
            }

            .content-item_imgbox {
                height: 200px;
            }

            .content-item_img_title_text {
                font-size: 14px;
            }

            .year_data {
               width:80px; 
               display: flex; 
               flex-flow: column nowrap; 
               text-align: center; 
            }
            .content-item-listbox { width: 100%; margin-left: 0px;}
            .content-item_imgbox  { width: 100%;}
            .nav-item { width: 22%;}
        }

        @media (max-width: 480px) {
            .content-item_imgbox {
                height: 180px;
            }

            .nav-items-wrap {
                flex-wrap: wrap;
                /* IE兼容flex */
                -ms-flex-wrap: wrap;
            }

            .content-item {
                padding: 10px;
            }
        }