@charset "utf-8";
body,ol,ul,li,h1,h2,h3,h4,h5,h6,p,th,td,dl,dd,form,fieldset,legend,input,textarea,select {margin: 0;padding: 0;}
body {padding: 0;margin: 0;background: url() no-repeat top center;font-family: "Microsoft YaHei", "\5FAE\8F6F\96C5\9ED1";}
img {border: 0;vertical-align: top;}
ol,ul,li {list-style: none;}
iframe {border: none;}
html {height: 100%;font-size: 18px;-webkit-text-size-adjust: none;-webkit-font-smoothing: antialiased;}
a {color: #212121;text-decoration: none;}
a:hover {color: #0050a9;}
h1,h2,h3,h4,h5 {font-size: 100%;font-weight: normal;}
.clearfix {clear: both;}
.cl{clear: both;}
.cl:after,.clearfix:after{content:"\20";display:block;height:0;clear:both;visibility:hidden}.cl,.clearfix{zoom:1}
.layout {width: 1420px;margin: 0 auto;}
.layout10 {width: 1420px;margin: 10px auto;}
.layout20 {width: 1420px;margin: 20px auto;}
.layout30 {width: 1420px;margin: 30px auto;}
.fl {float: left;}
.fr {float: right;}
.bold {font-weight: bold;}
.show {display: block;}
.hide {display: none;}
.white,.white a:link,.white a:visited,.white a:hover {color: #fff;}
.blue,.blue a:link,.blue a:visited,.blue a:hover {color: #0050a9;}
.red,.red a:link,.red a:visited,.red a:hover {color: #e60012;}
.mt10 {margin-top: 10px;}
.mt20 {margin-top: 20px;}
.mt30 {margin-top: 30px;}
.ml0 {margin-left: 0;}
.adv0{
    width: 100%;
    height: auto;
}
.adv0 img{
    width: 100%;
    height: auto;
}
.adv1{
    width: 1420px;
    margin:0 auto;
    height: auto;
}
.adv1 img{
    width: 100%;
    height: auto;
}
.adv2{
    width: 1420px;
    margin:10px auto;
    height: auto;
}
.adv2 ul{
    margin-left: 0;
}
.adv2 ul li{
    margin-left: 0;
    width: 710px;
    float: left;
}
.adv2 ul li img{
    width: 100%;
    height: auto;
}
.header{
    width: 1420px;
    margin:10px auto;

}
.logo{
    float: left;
	 margin-left: 35px;
}
.logo img{ 
    height: 110px;
}

.topbox{
    float:left ;
    margin-top: 20px;
    margin-left: 20px;
}
.topbox p{
    margin-top: 13px;
    font-size: 14px;
    color: #000;
    line-height: 20px; 
}
.topbox p span{
    padding-right: 20px;
    font-size: 14px;
    color: #000;
}

.topnav{
    float: right;
    position: relative;
    margin-top: 40px;
    margin-right: 40px;
}
.topnav ul {
    display: flex;
    align-items: center;
}
.topnav-item{
    position: relative;
    margin-left: 20px;
}
.topnav-item img{
    width: 34px;
    height: 34px;
}
.topnav-qr{
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-top: 8px;
    background: #fff;
    padding: 6px;
    box-shadow: 0 0 10px rgba(0,0,0,0.2);
    display: none;
    z-index: 10;
}
.topnav-qr img{
    width: 118px;
    height: 118px;
}
.topnav-item:hover .topnav-qr{
    display: block;
}

.menu {
    width: 100%;
    height: 50px;
    background-color: #0050a9;
    text-align: center;
}
.menu ul {
    width: 1420px;
    margin: 0 auto;
    text-align: center;
}
.menu ul li {
    display: inline-block;
    text-align: center;
    height: 100%;
    padding: 0 15px;
    font-size: 20px;
    font-weight: 500;
    color: #fff;
    line-height: 50px;
}
.menu li a {
    font-size: 20px;
    font-weight: 500;
    color: #fff;
    line-height: 50px;
}
.arrowup {
    margin-top: 23px;
    margin-left: 10px;
    transition: transform 0.3s ease;
    transform: rotate(0deg); 
}

.dropdown:hover .arrowup {
    margin-top: 22px;
    margin-left: 10px;
    transform: rotate(180deg); 
}
.dropdown {
    position: relative;
    display: inline-block;
}
.dropdown img{
    width: 15px;
    height: 8px;
}
.dropdown-content {
    display: none;
    position: absolute;
    background-color: #0050a9;
    width: 580px;
    height: 35px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
    top: 100%;
    left: -200px;
    padding-left: 20px;
}
.dropdown-content li{
    width: 40px;
    float: left;
    text-align: center;
    background: none;
    padding: 0;
    
}
.dropdown-content li a {
    font-weight: normal;
    display: block;
    color: #fff;
    font-size: 18px;
    font-weight: 500;
    line-height: 35px;
}
.dropdown-content li:hover {
    background-color: #0f60bc;
    transition: all .5s;
    color: #fff;
}
.dropdown-content li a:hover {
    color: #fff;
    transition: all .5s;
    font-size: 18px;
    line-height: 35px;
}
.dropdown:hover .dropdown-content {
    display: flex;
}
.dropdown:hover .dropdown-content {
    display: flex; 
    /* 添加抖动效果：动画名 时长 缓动函数 */
    animation: shake-dropdown 0.4s ease-out forwards;
    position: absolute;
    background-color: #0050a9;
    width: 580px;
    height: 35px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
    top: 100%;
    left: -200px;
    padding-left: 20px;
}
@keyframes shake-dropdown {
  0% { transform: translateY(-10px); }
  25% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
  75% { transform: translateY(0); }
  100% { transform: translateY(-2px); }
}

.nav {
    width: 100%;
    height: 35px;
    background-color: #f6f6f6;
}
.nav ul {
    width: 1420px;
    margin: 0 auto;
    text-align: center;
}
.nav li {
    display: inline-block;
    text-align: center;
    padding: 0 15px;
}
.nav li a {
    font-size: 16px;
    font-weight: normal;
    color: #3f3f3f;
    line-height: 35px;
}



.Headlines {
    width: 1420px;
    margin: 20px auto;
    background-color: #f7f7f7;
    padding: 20px auto;
    text-align: center;
    border-radius: .25rem;
}
.Headlines .tt {
	width:1380px;
    padding-top: 25px;
    text-align: center;
}
.Headlines .tt a {
    font-size: 38px;
    font-weight: bold;
    color: #0050a9;
}
.Headlines .hotnews {
    padding-top: 20px;
    padding-bottom: 25px;
}
.Headlines .hotnews li {
    list-style-type: none;
    display: inline-block;
    list-style: outside;
    color: #0050a9;
    position: relative;
    padding-left: 15px;
    margin-left: 20px;
}
.Headlines .hotnews ul li:before {
    position: absolute;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #3b79d0;
    left: 0px;
    content: '';
    top: 10px;
}
.Headlines .hotnews a {
    font-size: 16px;
    color: #3f3f3f;
    line-height: 200%;
}
.Headlines .hot_news {
    position: absolute;
    top: 50px;
    right: 10px;
    display: inline-block;
    width: 40px;
    text-align: center;
    background: #fff;
    color: #3b79d0;
    font-size: 12px;
    line-height: 16px;
    text-decoration: none;
    border-radius: .45rem;
    padding: 3px 0;
}
.Headlines .hot_news span {
    display: block;
}
.Headlines .hot_news:hover {
    background: #e8e8e8;
    color: #666;
}
.Headlines.layout20 {
    position: relative;
}
.Headlines .wrap_roll {
    width: 1420px;
    height: 50px;
    padding-bottom: 10px;
    border-top: 1px solid #e2e2e2;
}
.Headlines .wrap_roll h2 {
    width: 110px;
    line-height: 58px;
    margin-left: ;
}
.Headlines .wrap_roll h2 a {
    color: #0050a9;
}
.Headlines .marquee-box {
    float: right;
    width: 1290px; /* 或者您需要的宽度 */
    margin-right: 20px;
    height: 56px;
    overflow: hidden; /* 必须隐藏溢出 */
    position: relative;
    background: #f5f5f5;
}

.Headlines .marquee-content {
    display: inline-block;
    white-space: nowrap; /* 关键：强制一行显示 */
    line-height: 56px;   /* 垂直居中 */
    
    /* 【重要】删除任何 transition 属性，否则重置时会倒带 */
    /* transition: none; */ 
    
    /* 确保内容足够宽，能容纳两份列表 */
    width: max-content; 
}

.Headlines .marquee-content a {
    display: inline-block;
    padding-right are: 15px;
    padding-left: 15px;
    font-size: 16px;
    color: #3f3f3f;
    text-decoration: none;
}
.hh_news {
    margin-top: 25px;
    text-align: center;
    padding-top: 20px;
    position: relative;
    
}
.news_tt{
    width: 100%;
}
.news_tt a {
    font-size: 38px;
    font-weight: bold;
    color: #0050a9;
}


.news_p {
    padding-top: 20px;
    padding-bottom: 25px;
}
.news_p li{
    list-style-type: none;
    display: inline-block;
    list-style: outside;
    color: #0050a9;
    position: relative;
    padding-left: 15px;
    margin-left: 20px;
}
.news_p a {
    font-size: 16px;
    color: #3f3f3f;
    line-height: 200%;
}

.news_bd{ 
    position: absolute;
    top:40px;
    right: 0;
    width: 110px;
    padding-top: 2px;
}
.news_bd p{
    background: url(bd.png) left center no-repeat;
    font-size: 12px;
    line-height: 180%;
    margin-top: 2px;
    
}
.news_bd p a{
    color: #0047a5;

}

.main {
    padding-top: 20px;
}
.main_con{
    width: 480px;
    height: 500px;
    border: #ddd 1px solid;
    box-shadow: 8px 8px 20px rgba(55, 99, 170, .1);
}
.main_con .mian_sx_t{
    width: 100%;
    height: 63px;
    background-color: #0f60bc;
    box-shadow: inset 0 -1px 0 rgba(0,0,0,.1);
}
.main_con .mian_sx_t a{ 
    font-size: 22px;
    color: #fff;
    line-height: 60px;
    font-weight:bold;
    padding-left: 48px;
}
.main_con ul{}
.main_con ul li{
    width: 100%;
    height: 62px;  
    border-bottom: 1px solid #ddd;
}
.icon{
    background-color: #0f60bc;
    border-radius: 50%;
    width: 6px;
    height: 6px;
    margin-top: 6px;
    display: flex;
    flex-direction: column;
    float: left;
    margin-top: 30px;
    margin-left: 20px;
}
.main_con ul li:hover{
    background-color: #0f60bc;
    cursor: pointer;
    transition: all .5s;
    color: #fff;
}
.main_con ul li a{
    padding-left: 20px;
    font-size: 18px;
    line-height: 62px;
    font-weight: 400;
}
.main_con ul li:hover a {
    color: #fff;
}
.column{
    padding-top: 10px;
}
.column_box{
    margin-top: 5px;
    width: 900px;
    height: 165px;
    background-color: #eef5fd;
}
.column_box ul{
    margin-top: 15px;
    margin-bottom: 20px;
}
.column_box ul li{
    width: 400px;
    display: inline-block;
    margin-left: 40px;
}
.column_box ul li a{ 
    font-size: 18px;
    line-height: 240%;
    color: #3b79d0;
}
.column_box2 {
    width: 490px;
    height: 200px;
}
.column_box2 li{
    float: left;
    width: 240px;
    height: 80px;
    margin-left: 5px;
    margin-top: 5px;
}
.column_box2 img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.content-wrapper .image-area {
    width: 700px;
    height: 280px;
    flex: 2;
    background-color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 5px;
    position: relative;
}        
.content-wrapper .image-area img { 
    width: 100%;
    height: auto;
}
.content-wrapper .image-area p{
    position: absolute;
    bottom: 0;
    text-align: center;
    height: 40px;
    width: 100%;
    background-color:rgba(0,0,0,0.6);
    color: #fff;
    line-height: 40px;
}
.content-wrapper .image-area p a{
    font-size: 18px;
    line-height: 40px;
    color: #fff;
}

.zt{
    background: url(zt.png) top center no-repeat;
    height: 280px;
}
.zt-t{
    float: left;
    width: 140px;
    height: 280px;
}
.zt-t img{
    width: 100%;
    height:100%;
}

.zt_con{
    float: right;
    width: 1280px;

}
.zt_list{
    float: left;
    width: 31%;
    margin-left: 20px;
    margin-top: 20px;
}
.zt_list_t{
    font-size: 22px;
    line-height: 240%;
    font-weight: bold;
}
.zt_list ul{
    list-style-type: circle;
}
.zt_list li{
    list-style-type: circle;
    list-style: outside;
    padding-left: 6px;
    color: #007cba;
    font-size: 18px;
    line-height: 260%;
}

.itemlist{

}
.list450{
    float: left;
    width: 450px;
    margin-left: 35px;
}
.list450_left{
    float: left;
    width: 450px;
}
.list_txt{
    width: 100%;
    margin-top: 15px;
}
.list_txt ul{

}
.list_txt ul li{
    padding-left: 25px;
    background: url(icon4.png) left center no-repeat;
}
.list_txt ul li a{ 
    font-size: 18px;
    line-height: 260%;
    text-decoration: none;
    text-align: left;
    display: block;
}
.list_pic{ 
    width: 100%;
    margin-top: 10px;
    height: 250px;
    position: relative;
}
.list_pic img{ 
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 5px;
}
.list_pic p{ 
    position: absolute;
    bottom: 0;
    text-align: center;
    height: 30px;
    width: 100%;
    background-color:rgba(0,0,0,0.6);
    color: #fff;
    line-height: 30px;
}
.list_pic p a{
    font-size: 18px;
    line-height: 30px;
    color: #fff;
}


.list_t{
    width: 100%;
    height: 50px;
    background: url(listbg.png) left center no-repeat;

}
.list_t a{
    padding-left: 18px;
    font-size: 22px;
    font-weight: bold;
    color: #0050a9;
    line-height: 48px;
}
.jsh{
    width: 1420px;
    background: url(list.png) top center no-repeat;
    height: 320px;
}
.jsh_t{
    width: 50px;
    height: 260px;
    padding-left: 60px;
    margin-top: 30px;
    float: left;
}
.jsh_t a{
    display:block;
    width:100%;
    height:100%;        
    background:rgba(0,0,0,0.0001); 
}

.jsh_con{
    float: right;
    padding-top: 32px; 
    padding-right: 120px;
}
.scroll-container {
    width: 1100px;
    margin: 20px auto;
    position: relative;    
}

.scroll-wrapper {
    position: relative;
    height: 215px;
    overflow: hidden;
    width: 1100px;
    /* 防止容器本身抖动 */
    transform: translateZ(0);
}

.scroll-content {
    display: flex;
    height: 100%;
    white-space: nowrap;
    
    /* 【关键】删除 transition，否则重置时会倒带 */
    /* transition: none; */
    
    /* 【关键】开启硬件加速，消除子像素抖动 */
    will-change: transform;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.scroll-item {
    flex: 0 0 auto;
    width: 120px;   /* 保持固定宽度 */
    height: 215px;  /* 保持固定高度 */
    margin-right: 10px;
    
    /* 防止内部图片抖动 */
    display: flex;
    align-items: center;
    justify-content: center;
}

.scroll-item a {
    display: block;
    width: 100%;
    height: 100%;
    overflow: hidden;
    border-radius: 5px;
}

.scroll-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 5px;
    display: block; /* 消除图片底部间隙 */
}

.scroll-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 35px;
    height: 35px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 10;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.scroll-btn.left {
    left: -50px; /* 箭头在容器外部 */
}

.scroll-btn.right {
    right: -50px; /* 箭头在容器外部 */
}

.scroll-btn:hover {
   
}
.video-wrapper{


}
.video-wrapper .video{
    float: left;
    width: 950px;
  
}
.video-wrapper .video-t{
    width: 100%;
    height: 50px;
     background: url(listbg2.png) left center no-repeat;
}
.video-wrapper .video-t{
    padding-left: 18px;
    font-size: 22px;
    font-weight: bold;
    color: #0050a9;
    line-height: 48px;
}


.video-wrapper .video .video-t a{
    font-size: 22px;
    font-weight: bold;
    color: #0050a9;
    line-height: 40px;
}
.video-wrapper .video-pic{ 
    margin-top: 10px;

}
.video-pic li{ 
    float: left;
    margin-right: 15px;
    width: 300px;

}
.video-wrapper .video-pic li img{ 
    width: 100%;
    height: 166px;
    object-fit: cover;
    border-radius: 5px;
}
.video-wrapper .video-pic li p{ 
    text-align: center;
    font-size: 16px;
    line-height: 180%;
    padding-top: 5px;
}

.video-wrapper .video-item{
    float: right;
    width: 430px;
    overflow: hidden;
}
.video-wrapper .video-item .video-t{

}
.video-wrapper .video-item .video-t a{ 
}
.video-wrapper .video-item .video-txt{ 
    padding-top: 10px;
}
.video-wrapper .video-item .video-txt li{
    padding-left: 25px;
    background: url(icon4.png) left center no-repeat;
}
.video-wrapper .video-item .video-txt li a{ 
    font-size: 18px;
    line-height: 240%;
    text-decoration: none;
    text-align: left;
    display: block;
}


.friend-links{
    width: 100%;
    background-color: #007cba;
    padding-top: 20px;
    padding-bottom: 30px;
}
.friend-links-t{
    width: 1420px;
    margin: 0 auto;
    font-size: 20px;
    line-height: 200%;
    font-weight: bold;
    color: #fff;
}
.links-box{
    width: 1420px;
    margin: 0 auto;
    text-align: center;
    display: flex;
    justify-content: flex-start; 
    flex-wrap: wrap;
    padding-left: 10px;
}
.links-box li{
    float: left;
    list-style: none;
    margin-right: 30px;
    margin-top: 15px;
}
.links-box li a{
    font-size: 16px;
    text-decoration: none;
    color: #fff;
}

.footer{ 
    width: 100%;
    background-color: #f7f7f7;
    padding-top: 30px;
    padding-bottom: 40px;
}
footer ul{
    width: 1420px;
    margin: 0 auto;
    text-align: center;
}
footer ul li{ 
    display: inline-block;
    margin-left: 20px;
    font-size: 14px;
    line-height: 200%;
}
.foot-ico1{
    display: inline-block;
    vertical-align: middle;
    width: 18px;
    height:18px;
    background-size:18px auto;
    margin-right:5px;
    background: url(foot1.png) left center no-repeat;
}

.img-scroll-container {
    width: 1420px;
    margin: 20px auto;
    position: relative;
    }
.img-scroll-wrapper {
    overflow: hidden;
    width: 100%;
    position: relative;
}

.img-scroll-content {
    display: flex;
    height: 100%;
    white-space: nowrap;
    will-change: transform; /* 性能优化 */
}

.img-scroll-item {
    flex: 0 0 auto;
    width: 226px;   
    height: 128px;
    flex-shrink: 0;
    margin-right: 12px; 
}
.img-scroll-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 5px;
}
.img-scroll-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 30px;
    height: 30px;
    background-color: #0050a9;
    color: white;
    border: none;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;

    
}
    .img-scroll-btn.left {
    left: -32px;
    background: url(arrow1.png) no-repeat 6px center #0050a9;
    background-size: 14px 17px;
    display: block;
    width: 30px;
    height: 30px;
    overflow: hidden;
    cursor: pointer;
    z-index: 99;
    position: absolute;
    top: 50%;
    text-indent: -99em;
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(255, 255, 255, 1);
}

    .img-scroll-btn.right {
    background: url(arrow2.png) no-repeat 10px center #0050a9;
    right: -32px;
    display: block;
    width: 30px;
    height: 30px;
    overflow: hidden;
    cursor: pointer;
    z-index: 99;
    position: absolute;
    top: 50%;
    background-size: 14px 17px;
    text-indent: -99em;
    border-radius: 50%;
    box-shadow:0 0 20px rgba(255, 255, 255, 1);
}
.img-scroll-btn:hover {
    background-color: #70b2fb;
    box-shadow:0 0 10px rgba(0, 0, 0, 0.2);
    }


/* 容器相对定位 */
.mt-container {
  position: relative;
  display: inline-block;
  max-width: 100%;
  /* 确保容器宽度至少能容纳我们的热点区域，防止溢出隐藏问题 */
  min-width: 1100px; 
}

/* 背景图自适应 */
.mt-bg {
  display: block;
  width: 100%; /* 或者固定宽度，取决于设计稿 */
  height: auto;
}

/* 
   热点包裹层：
   1. 绝对定位
   2. 左边距 250px
   3. 宽度 1100px
   4. 高度 100% (覆盖整个图片高度)
*/
.qr-hotspots-wrapper {
  position: absolute;
  top: -25px;
  left: 168px; /* 距离左边 250px */
  width: 1100px; /* 总宽度 1100px */
  height: 100%;
  z-index: 10;
  
  /* 调试用：可以看到这个区域的范围 */
  /* border: 1px solid red; */ 
}

/* 单个热点区域 */
.hotspot {
  position: absolute;
  top: 0;
  bottom: 0; /* 高度撑满，或者根据图片中方框的实际垂直位置调整 top 和 height */
  cursor: pointer;
  
  /* 
     计算每个框的宽度和位置：
     总宽 1100px，7个框。
     如果框是均匀分布的，每个框约占 1100 / 7 ≈ 157px。
     这里假设它们是紧密排列或均匀间隔。
     
     下面是一种均匀分布的写法，你可以根据实际图片中方框的间距调整 left 和 width。
  */
  width: 14%; /* 约等于 1/7 */
}

/* 分别设置7个框的水平位置 (left) */
.hotspot:nth-child(1) { left: 0%; }
.hotspot:nth-child(2) { left: 13.78%; }
.hotspot:nth-child(3) { left: 27.65%; }
.hotspot:nth-child(4) { left: 41.5%; }
.hotspot:nth-child(5) { left: 55.5%; }
.hotspot:nth-child(6) { left: 69.3%; }
.hotspot:nth-child(7) { left: 83.1%; }
.hotspot:nth-child(8) { left: 97%; }

/* 如果方框不在顶部到底部全高，请修改 .hotspot 的 top 和 height */
/* 例如：如果方框在图片中间，高度占 60%，垂直居中： */
/* 
.hotspot {
  top: 20%;
  height: 60%;
} 
*/

/* 二维码弹窗：默认隐藏，悬停时显示 */
.qr-code-popup {
  position: absolute;
  /* 居中显示在热点区域内 */
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  
  display: none;
  z-index: 20;
  
  background: #fff;
  padding: 5px;
  box-shadow: 0 0 10px rgba(0,0,0,0.2);
  border-radius: 4px;
}

/* 二维码图片大小 */
.qr-code-popup img {
  display: block;
  width: 118px; /* 可根据需要调整，只要比下方的框宽一点即可 */
  height: 118px;
}

/* 悬停显示 */
.hotspot:hover .qr-code-popup {
  display: block;
}


.adv-scroll-wrapper {
  height: 100px; /* 根据图片高度调整 */
  overflow: hidden;
  position: relative;
}

.adv-scroll-track {
  display: flex;
  flex-direction: column;
  transition: none; /* 默认无动画，用于瞬间重置 */
}

/* 当 JS 添加此类时，启用平滑滚动 */
.adv-scroll-track.scrolling {
  transition: transform 0.5s ease-in-out;
}

.adv-item {
  height: 100px; /* 必须与容器高度一致 */
  width: 100%;
  flex-shrink: 0; /* 防止被压缩 */
}

.adv-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}