/* 顶部导航栏：蓝色渐变只在导航区域，往下渐渐消失 */
.top_01{
    height: auto;
    width: 1920px;
    margin: 0 auto;
}


.top {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 150px;
  background: linear-gradient(to bottom, rgb(0 0 0 / 50%) 0%, rgb(0 0 0 / 0.4) 50%, rgb(0 0 0 / 0.4) 55%, rgb(0 0 0 / 0.4) 40%, rgb(0 0 0 / 0) 100%);
  z-index: 10;
  pointer-events: none;
}
.pc_top_dh{
    display: flex;
    flex-direction: column-reverse;
    align-items: flex-end;
        width: 100%;
}

/* 渐变遮罩不挡住下方轮播图的点击，仅导航内容可交互 */
.top .containers {
  pointer-events: auto;
}
.containers {
    height: auto;
    width: 100%;
    margin: 0 auto;
    padding: 0 120px;
    display: flex;
    align-items: center;
    overflow: visible;
        justify-content: space-between;
}
.pc_top {
  flex-shrink: 0;
  padding: 34px 0 18px 70px;
  float: none;
}
.pc_top img{
  width: auto;
  height: 70px;
  display: block;
}

.pc_dh {
    flex: 1;
    float: none;
    padding: 0 65px;
    width: 100%;
}

.pc_top_ss{
    display: flex;
    flex-direction: row;
    align-items: center;
    flex-shrink: 0;
    float: none;
    margin: 0;
    gap: 45px;
        padding-right: 91px;
}

/* 右上角三个链接：白色文字 | 白色分隔线 */
.pc_top_ss .top_link{
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: #fff;
    font-size: 13px;
    text-decoration: none;
    padding: 0;
    transition: opacity 0.2s;
}
.pc_top_ss .top_link:hover{
    opacity: 0.8;
}
.pc_top_ss .top_link svg{
    display: block;
    flex-shrink: 0;
    stroke: #fff;
}
.pc_top_ss .top_link span{
    white-space: nowrap;
}

/* 竖线分隔符 */
.pc_top_ss .sep{
    color: rgba(255,255,255,0.6);
    margin: 0 10px;
    font-size: 13px;
}

/* 搜索图标 */
.pc_top_ss .top_icon{
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    color: #fff;
    text-decoration: none;
    transition: opacity 0.2s;
}
.pc_top_ss .top_icon:hover{
    opacity: 0.8;
}
.pc_top_ss .top_icon img{
    width: 20px;
    height: 20px;
    display: block;
}

/* 搜索框容器 */
.pc_top_ss .top_search_wrap{
    position: relative;
    display: inline-flex;
    align-items: center;
}

/* 下拉搜索框：默认隐藏 */
.pc_top_ss .search_dropdown{
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    display: flex;
    align-items: center;
    gap: 0;
    width: 280px;
    padding: 8px;
    background: #fff;
    border-radius: 6px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
    z-index: 20;
}

/* 悬停或聚焦时显示 */
.pc_top_ss .top_search_wrap:hover .search_dropdown,
.pc_top_ss .top_search_wrap:focus-within .search_dropdown{
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* 搜索输入框 */
.pc_top_ss .search_input{
    flex: 1;
    height: 34px;
    padding: 0 12px;
    border: 1px solid #C7C7C7;
    border-radius: 4px 0 0 4px;
    font-size: 13px;
    color: #333;
    outline: none;
    box-sizing: border-box;
}
.pc_top_ss .search_input::placeholder{
    color: #C7C7C7;
}
.pc_top_ss .search_input:focus{
    border-color: #09398A;
}

/* 搜索按钮 */
.pc_top_ss .search_btn{
    height: 34px;
    padding: 0 16px;
    margin-left: -1px;
    border: none;
    border-radius: 0 4px 4px 0;
    background: #09398A;
    color: #fff;
    font-size: 13px;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.2s;
}
.pc_top_ss .search_btn:hover{
    background: #0a4aaf;
}





/* ========== 新闻动态 ========== */
.new{
    width: 100%;
    max-width: 1920px;
    height: 775px;
    margin: 0 auto;
    background: url('../imges/40.png') no-repeat center center;
    background-size: cover;
}
.new_name{
    margin: 0 auto; 
        width: 90%;
    max-width: 1600px;
    display: flex;
    justify-content: space-between;
        padding-top: 56px;
}
.new_name_text{display: flex;gap: 10px;}
.new_name_text_title{
    display: flex;
    flex-direction: column;
        width: 187px;
}
.new_name_text img{width: 42px;
    height: 42px;}
.new_name_text_title span:nth-child(1){
     font-size: 35px;
   /* font-weight: bold;*/
    color: #333333;
    letter-spacing: 2px;
}
.new_name_text_title span:nth-child(2){
       font-size: 14px;
    color: #17489C;
    margin-top: 2px;
}
.new_gd span,
.new_gd img {
  vertical-align: middle;
}

.new_img{
      margin: 0 auto; 
      width: 90%;
      max-width: 1600px;
      height: 400px;
      margin-top: 30px;
}

.new_img_list{ 
    width: calc((100% - 3 * 26px) / 4);
    height: 400px;
        float: left;
            margin-right: 19px;
}

.new_img_list:last-child{
    margin-right: 0;
}

.new_img_list img{ 
    width: 100%;
        height: 240px;
    object-fit: cover;
}

.new_img_list_text{   
     background-color: #fff;
        height: 156px;
            padding: 25px;
    }

.new_img_list_text p{
    font-size: 18px;
    color: #333333;
    font-weight: bold;
        line-height: 30px;
}

.new_img_list_text span{
     font-size: 18px;
     font-weight: bold;
     color: #17489C;
         line-height: 50px;

}


.new_list{ margin: 0 auto; 
      width: 90%;
      max-width: 1600px;
      height: 156px;
      margin-top: 30px;}


      .new_list_item{
position: relative;
width: calc((100% - 3 * 26px) / 4);
    height: 156px;
    float: left;
    margin-right: 19px;
    background: #fff;
    border-left: 6px solid #174795;
    overflow: hidden;
      }
.new_list_item::after{
    content: '';
    position: absolute;
    right: -10px;
    bottom: -10px;
    width: 130px;
    height: 130px;
    background: url(../imges/23.png) no-repeat right bottom;
    background-size: contain;
    filter: invert(0.82);
    opacity: 0.08;
    pointer-events: none;
}

.new_list_item:last-child {
    margin-right: 0;
}


/* ========== 科学研究 ========== */

.kxyj{
    width: 100%;
    max-width: 1920px;
    height: 775px;
    margin: 0 auto;
}

.kxyj_card{
    width: 90%;
    max-width: 1600px;
    height: 540px;
    margin: 30px auto 0;
    /*border-radius: 12px;*/
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    position: relative;
}

/* 轮播主体 */
.kxyj_slides{
    width: 100%;
    height: 100%;
    position: relative;
    list-style: none;
    margin: 0;
    padding: 0;
}
.kxyj_slide{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    opacity: 0;
    visibility: hidden;
    transition: opacity .5s ease, visibility .5s ease;
}
.kxyj_slide.active{
    opacity: 1;
    visibility: visible;
    z-index: 1;
}

/* 左侧大图 */
.kxyj_left{
    width: 50%;
    background: #FFF5EB;
    display: flex;
    align-items: center;
    justify-content: center;
   /* padding: 30px;*/
    box-sizing: border-box;
}
.kxyj_left img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 右侧内容 */
.kxyj_right{
    width: 50%;
    background: #fff;
    padding: 40px 45px 230px 45px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
}
.kxyj_date{
    font-size: 20px;
    font-weight: bold;
    color: #17489C;
    letter-spacing: 1px;
}
.kxyj_title{
    font-size: 22px;
    font-weight: bold;
    color: #333;
    line-height: 1.5;
    margin-top: 15px;
}
.kxyj_desc{
    font-size: 14px;
    color: #999;
    line-height: 1.8;
    margin-top: 18px;
}

/* 切换箭头 */
.kxyj_arrows{
    display: flex;
    gap: 12px;
    margin-top: 22px;
}
.kxyj_arrow{
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid #e0e0e0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    cursor: pointer;
    font-size: 16px;
    transition: all .3s ease;
    user-select: none;
}
.kxyj_arrow:hover{
    border-color: #17489C;
    color: #17489C;
}

/* 底部缩略图 */
.kxyj_thumbs{
    display: flex;
    gap: 15px;
    margin-top: auto;
    padding-top: 25px;
    list-style: none;
}
.kxyj_thumb{
    flex: 1;
    position: relative;
   /* border-radius: 6px;*/
    overflow: hidden;
    cursor: pointer;
}
.kxyj_thumb img{
    width: 100%;
    height: 176px;
    object-fit: cover;
    display: block;
    transition: transform .4s ease;
}
.kxyj_thumb:hover img{
    transform: scale(1.08);
}
.kxyj_thumb_title{
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 20px 12px 10px;
    background: linear-gradient(transparent, rgba(0,0,0,0.65));
    color: #fff;
    font-size: 13px;
    line-height: 1.4;
}

/* 导航层（箭头+缩略图，悬浮在右栏底部） */
.kxyj_nav{
    position: absolute;
    left: 50%;
    right: 0;
    bottom: 0;
    padding: 0 45px 40px 45px;
    box-sizing: border-box;
    z-index: 5;
    display: flex;
    flex-direction: column;
    background: #fff;
}



/* ========== 学术之窗、通知公告 ========== */
.xstg{
        width: 100%;
    max-width: 1920px;
    height: 800px;
    margin: 0 auto;
    background: url('../imges/9999.png') no-repeat center center;
    background-size: cover;
}

/* 双栏容器 */
.xstg_inner{
    width: 90%;
    max-width: 1600px;
    margin: 0 auto;
    padding-top: 50px;
    display: flex;
    gap: 40px;
}
.xszc, .tzgg{
    flex: 1;
    min-width: 0;
}

/* 栏目头部 */
.xstg_name{
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}
.xstg_name_text{
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.xstg_name_text img{
    width: 42px;
    height: 42px;
    margin-top: -4px;
}
.xstg_name_title{
    display: flex;
    flex-direction: column;
}
.xstg_name_title span:nth-child(1){
    font-size: 35px;
    /*font-weight: bold;*/
    color: #333;
    letter-spacing: 2px;
    line-height: 1.2;
}
.xstg_name_title span:nth-child(2){
    font-size: 14px;
    color: #17489C;
    margin-top: 2px;
}
.xstg_gd{
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    margin-bottom: 10px;
}
.xstg_gd span{
    font-size: 18px;
    color: #555;
}
.xstg_gd img{
    height: 24px;
    width: auto;
}

/* ===== 学术之窗 ===== */
/* 特色卡片 */
.xszc_feature_box{background-color: #fff;}
.xszc_feature{
    display: flex;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
        padding: 10px 20px 0px 20px;
}
.xszc_feature_img{
    width: 38%;
    flex-shrink: 0;
    overflow: hidden;
        padding: 20px;
}
.xszc_feature_img img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.xszc_feature_text{
    flex: 1;
    padding: 22px 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.xszc_feature_text h3{
    font-size: 17px;
    font-weight: bold;
    color: #17489C;
    line-height: 1.5;
    margin: 0 0 16px 0;
}
.xszc_feature_text a{
    display: block;
}
.xszc_meta{
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: #666;
    line-height: 1.9;
}
.xszc_meta i{
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #eaf1fb;
    color: #17489C;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* 学术列表 2x2 */
.xszc_list{
    list-style: none;
    margin: 18px 0 0 0;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
     padding: 20px 40px 33px 40px;
}
.xszc_list li{
    background: #f0f5fc;
    /*border-radius: 8px;*/
    padding: 32px 20px;
    transition: all .3s ease;
}
.xszc_list li:hover{
    background: #e6efff;
    transform: translateY(-2px);
}
.xszc_list a{
    display: block;
}
.xszc_date{
    font-size: 22px;
    font-weight: bold;
    color: #17489C;
    line-height: 1.1;
    margin-bottom: 20px;
    position: relative;
}
.xszc_date span{
    display: inline-block;
    font-size: 18px;
    font-weight: normal;
    color: #17489C;
    transform: rotate(-15deg);
    margin: 0 2px;
    vertical-align: middle;
}
.xszc_list p{
    font-size: 16px;
    color: #333;
    line-height: 1.6;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-weight: bold;
}

/* ===== 通知公告 ===== */
.tzgg_list{
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}
.tzgg_list li{
    background: #fff;
   /* border-radius: 8px;*/
    padding: 36px 20px 35px 10px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all .3s ease;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
        border-left: 6px solid #174795;
}
.tzgg_list li:hover{
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}
.tzgg_list a{
    display: block;
    flex: 1;
    min-width: 0;
        margin-left: 13px;
}
.tzgg_date{
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 24px;
    font-weight: bold;
    color: #17489C;
    line-height: 1;
    flex-shrink: 0;
    text-align: center;
}
.tzgg_date em,
.tzgg_date b{
    font-style: normal;
    font-weight: bold;
    font-size: 24px;
}
.tzgg_date em{
    margin-left: 0;
}
.tzgg_date span{
    display: block;
    width: 28px;
    height: 0;
    border-top: 2px solid #17489C;
    font-size: 0;
    transform: rotate(325deg);
    margin: 5px 0 5px 6px;
        margin-left: 17px;
}
.tzgg_date b{
        margin-left: 47px;
}
.tzgg_list p{
    font-size: 16px;
    color: #333;
    line-height: 1.6;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-weight: bold;
}








/* ========== FOOTER ========== */
.foot{
    width: 100%;
    height: 620px;
    background: #0a3b8a url('../imges/41.png') no-repeat center center;
    background-size: cover;
    color: #fff;
    position: relative;
    overflow: hidden;
}
.foot::before{
    content: '';
    position: absolute;
    left: 0;top: 0;right: 0;bottom: 0;
    background: rgba(10, 59, 138, 0.35);
    z-index: 0;
}
.foot > *{position: relative;z-index: 1;}

.foot_yqlj{
    width: 1520px;
    margin: 0 auto;
    padding-top: 60px;
    position: relative;
}
.foot_yqlj_title{
    text-align: center;
    font-size: 28px;
    font-weight: bold;
    color: #fff;
    letter-spacing: 4px;
    margin-bottom: 0;
    position: relative;
    z-index: 2;
    margin: 0 auto -22px;
    background: transparent;
    padding: 0 20px;
}

.foot_yqlj_box{
    width: 100%;
    height: 282px;
    background: url('../imges/12.png') no-repeat center center;
    background-size: 100% 100%;
    padding: 50px 80px;
    box-sizing: border-box;
}
.foot_yqlj_box ul{
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}
.foot_yqlj_box ul li{
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}
.foot_yqlj_box ul li .ico{
    width: 120px;height: 120px;
    border: 2px dashed rgba(255,255,255,0.7);
    border-radius: 50%;
    display: flex;align-items: center;justify-content: center;
    transition: 0.3s;
    margin-bottom: 20px;
}
.foot_yqlj_box ul li .ico img{
    width: 65px;height: 65px;
    filter: brightness(0) invert(1);
}

.foot_yqlj_box ul li span{
    color: #fff;
    font-size: 15px;
    opacity: 0.9;
    transition: 0.3s;
}

/* bottom info */
.foot_bottom{
    margin-top: 30px;
    padding-top: 30px;
}
.foot_bottom_main{
    width: 1520px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 120px;
}
.foot_logo{
    display: flex;
    align-items: center;
    gap: 24px;
}
.foot_logo > img{
    width: 500px;height: 120px;
    object-fit: contain;
    flex-shrink: 0;
}
.foot_logo_txt .cn{
    font-size: 26px;
    font-weight: bold;
    letter-spacing: 2px;
    color: #fff;
    line-height: 1.3;
}
.foot_logo_txt .cn span{
    color: #ffd089;
}
.foot_logo_txt .en{
    font-size: 12px;
    color: rgba(255,255,255,0.7);
    letter-spacing: 1px;
    margin-top: 4px;
}
.foot_contact{
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.foot_contact p{
    font-size: 14px;
    color: rgba(255,255,255,0.85);
    line-height: 1.8;
    display: flex;
    align-items: center;
    gap: 8px;
}
.foot_contact p i{
    font-style: normal;
    display: inline-block;
    width: 16px;text-align: center;
}
.foot_qr{
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}
.foot_qr .qr_box{
    width: 110px;height: 110px;
    background: #fff;
    padding: 4px;
    box-sizing: border-box;
    border-radius: 4px;
}
.foot_qr .qr_box img{
    width: 100%;height: 100%;
    object-fit: cover;
}
.foot_qr p{
    font-size: 13px;
    color: rgba(255,255,255,0.8);
}

/* ========== 响应式适配：1440px ========== */
@media (max-width: 1440px){
    .new, .kxyj, .xstg{
        width: 100%;
    }
    /* 新闻动态 */
    .new_img_list, .new_img {height: 346px;}
    .new_img_list img{
        height: 200px;
    }
    .new_img_list_text{
        height: 140px;
        padding: 20px;
    }
    .new_img_list_text p{
        font-size: 16px;
        line-height: 26px;
    }
    .new_img_list_text span{
        font-size: 16px;
        line-height: 42px;
    }
    .new_list_item{
        height: 140px;
    }
    /* 科学研究 */
    .kxyj_card{
        height: 480px;
    }
    .kxyj_right{
        padding: 32px 38px 200px 38px;
    }
    .kxyj_title{
        font-size: 19px;
    }
    .kxyj_desc{
        font-size: 13px;
    }
    .kxyj_thumb img{
        height: 115px;
    }
    /* 学术之窗、通知公告 */
    .xstg_inner{
        gap: 32px;
    }
    .xszc_feature_text{
        padding: 18px 20px;
    }
    .xszc_feature_text h3{
        font-size: 15px;
    }
    .xszc_meta{
        font-size: 12px;
        line-height: 1.8;
    }
    .xszc_list p, .tzgg_list p{
        font-size: 13px;
    }
    .xszc_date, .tzgg_date{
        font-size: 20px;
    }
    .xszc_list li{
        padding: 15px 16px;
    }
    .tzgg_list li{
        padding: 21.5px 16px;
    }
}

/* ========== 响应式适配：1280px ========== */
@media (max-width: 1280px){
    /* 新闻动态 */
    .new_img{
        height: 315px;
    }
    .new_img_list, .new_list_item{
        margin-right: 19px;
    }
    .new_img_list{
        height: 315px;
    }
    .new_img_list img{
        height: 180px;
    }
    .new_img_list_text{
        height: 130px;
        padding: 16px;
    }
    .new_img_list_text p{
        font-size: 15px;
        line-height: 24px;
    }
    .new_img_list_text span{
        font-size: 15px;
        line-height: 38px;
    }
    .new_list{
        height: 140px;
    }
    .new_list_item{
        height: 140px;
    }
    /* 科学研究 */
    .kxyj_card{
        height: 440px;
    }
    .kxyj_right{
        padding: 26px 32px 180px 32px;
    }
    .kxyj_date{
        font-size: 18px;
    }
    .kxyj_title{
        font-size: 17px;
    }
    .kxyj_desc{
        font-size: 12px;
        line-height: 1.7;
    }
    .kxyj_arrow{
        width: 32px;
        height: 32px;
    }
    .kxyj_thumb img{
        height: 100px;
    }
    .kxyj_thumb_title{
        font-size: 12px;
    }
    /* 学术之窗、通知公告 */
    .xstg_inner{
        gap: 26px;
    }
    .xstg_name_title span:nth-child(1){
        font-size: 24px;
    }
    .xszc_feature_text{
        padding: 16px 18px;
    }
    .xszc_feature_text h3{
        font-size: 14px;
        margin-bottom: 12px;
    }
    .xszc_meta{
        font-size: 12px;
        line-height: 1.7;
    }
    .xszc_meta i{
        width: 20px;
        height: 20px;
    }
    .xszc_list{
        gap: 12px;
    }
    .xszc_list li{
        padding: 14px 16px;
    }
    .xszc_list p, .tzgg_list p{
        font-size: 13px;
        line-height: 1.5;
    }
    .xszc_date, .tzgg_date{
        font-size: 18px;
    }
    .tzgg_list{
        gap: 12px;
    }
    .tzgg_list li{
        padding: 25.2px 16px;
        gap: 12px;
    }
    .tzgg_date span{
        width: 24px;
    }
}

/* ========== 移动端适配：≤899px ========== */
@media (max-width: 899px){
    /* ===== 新闻动态 ===== */
    .new{
        height: auto;
        padding-bottom: 30px;
    }
    .new_name{
        width: 92%;
        padding-top: 30px;
    }
    .new_name_text img{
        width: 32px;
        height: 32px;
    }
    .new_name_text_title span:nth-child(1){
        font-size: 24px;
    }
    .new_name_text_title span:nth-child(2){
        font-size: 12px;
    }
    .new_gd span{
        font-size: 14px;
    }
    .new_gd img{
        height: 18px;
    }
    .new_img{
        width: 92%;
        height: auto;
        margin-top: 20px;
    }
    .new_img_list{
        width: 100%;
        height: auto;
        float: none;
        margin-right: 0;
        margin-bottom: 15px;
    }
    .new_img_list img{
        height: 180px;
    }
    .new_img_list_text{
        height: auto;
        padding: 14px 16px;
    }
    .new_img_list_text p{
        font-size: 15px;
        line-height: 22px;
    }
    .new_img_list_text span{
        font-size: 13px;
        line-height: 30px;
    }
    .new_list{
        width: 92%;
        height: auto;
        margin-top: 10px;
    }
    .new_list_item{
        width: 100%;
        height: auto;
        float: none;
        margin-right: 0;
        margin-bottom: 10px;
        padding: 14px 16px;
    }

    /* ===== 科学研究 ===== */
    .kxyj{
        height: auto;
        padding-bottom: 30px;
    }
    .kxyj_card{
        width: 92%;
        height: auto;
        margin-top: 20px;
    }
    .kxyj_slides{
        position: relative;
    }
    .kxyj_slide{
        position: absolute;
        flex-direction: column;
    }
    .kxyj_slide.active{
        position: relative;
        height: auto;
        opacity: 1;
        visibility: visible;
    }
    .kxyj_slide:not(.active){
        display: none;
    }
    .kxyj_left{
        width: 100%;
        height: 180px;
    }
    .kxyj_right{
        width: 100%;
        padding: 20px 18px 20px 18px;
    }
    .kxyj_date{
        font-size: 18px;
        margin-bottom: 10px;
    }
    .kxyj_title{
        font-size: 16px;
        margin-bottom: 12px;
    }
    .kxyj_desc{
        font-size: 13px;
        line-height: 1.7;
    }
    .kxyj_nav{
        position: relative;
        bottom: auto;
        left: auto;
        right: auto;
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        padding: 12px 18px;
    }
    .kxyj_arrows{
        order: 1;
        justify-content: flex-end;
    }
    .kxyj_thumbs{
        order: 2;
        gap: 12px;
    }
    .kxyj_thumb{
        width: 110px;
    }
    .kxyj_thumb img{
        height: 72px;
    }
    .kxyj_thumb_title{
        font-size: 12px;
    }

    /* ===== 学术之窗、通知公告 ===== */
    .xstg{
        height: auto;
        padding-bottom: 30px;
    }
    .xstg_inner{
        width: 92%;
        flex-direction: column;
        gap: 25px;
        padding-top: 30px;
    }
    .xstg_name_text img{
        width: 32px;
        height: 32px;
    }
    .xstg_name_title span:nth-child(1){
        font-size: 24px;
    }
    .xstg_name_title span:nth-child(2){
        font-size: 12px;
    }
    .xstg_gd span{
        font-size: 14px;
    }
    .xstg_gd img{
        height: 18px;
    }
    /* 学术之窗特色卡片 */
    .xszc_feature{
        flex-direction: column;
    }
    .xszc_feature_img{
        width: 100%;
        height: 180px;
    }
    .xszc_feature_text{
        width: 100%;
        padding: 16px 18px;
    }
    .xszc_feature_text h3{
        font-size: 15px;
        margin-bottom: 12px;
    }
    .xszc_meta{
        font-size: 12px;
        line-height: 1.8;
    }
    /* 学术列表 2x2 → 1列 */
    .xszc_list{
        grid-template-columns: 1fr;
        gap: 10px;
    }
    .xszc_list li{
        padding: 14px 16px;
    }
    .xszc_date{
        font-size: 20px;
        min-width: 65px;
    }
    .xszc_list p{
        font-size: 14px;
    }
    /* 通知列表 4x2 → 1列 */
    .tzgg_list{
        grid-template-columns: 1fr;
        gap: 10px;
    }
    .tzgg_list li{
        padding: 14px 12px;
        gap: 10px;
    }
    .tzgg_date{
        font-size: 18px;
    }
    .tzgg_date span{
        width: 22px;
    }
    .tzgg_list p{
        font-size: 13px;
        line-height: 1.5;
    }
}