* {
        margin: 0;
        padding: 0;
    }
a{
    text-decoration: none;
    color:#333;
}
ul{
    list-style-type: disc;
}
        .menu {
            position: fixed;
            width: 100%;
            height: 70px;
            padding:0 15px;
            top: 0;
            left: 0;
            z-index: 12;
            display: flex;
            background-color: rgba(255, 255, 255, 0.4);
            backdrop-filter: blur(10px);
        }

        .logo {
            width: 100px;
            height: 70px;
            flex: 1;
        }

        .logo img {
            width: 100px;
            height: 70px;
        }

        .menu-item {
            list-style-type: none;
            margin-right: 40px;
            display: flex;
            font-size: 0.875em;
            color: #333;
            /* align-self: center; */
            height: 100%;
            align-items: center;
            flex:1;
        }
        
        .menu-item li {
            
            font-weight: 500;
            height: 100%;
            align-items: center;
            display: flex;
        }
        .menu-item li a{
            padding: 0 15px;
            height: 100%;
            align-items: center;
            display: flex;
        }
        .menu-item li a:hover{
            background-color: #a31120;
            color:#fff;
        }
        .first-page {
            overflow: hidden;
            height: 100vh;
            width: 100%;
            position: relative;
            display: flex;
            align-items: center;
            z-index: 2;
            /* background: url('../images/main-bg.png');
            background-repeat: no-repeat;
            background-size:100%;
            background-position: center center; */
        }
        .first-page .swiper{
            position: absolute;
            width:100%;
            z-index: -1;
            height:100%;
        }
        .first-page .swiper .swiper-img {
            /* width: 900px;
            height: 700px; */
            width:100%;
            height:100%
        }

        .container {
            margin: 0 auto;
            max-width: 1400px;
            position: relative;
            width: 85%;
            overflow: hidden;
            height: 100vh;
            z-index: 1;
        }

        .first-page-title {
            position: absolute;
            /* margin-left: 15px; */
            margin-top: 15px;
            font-family: '黑体';
        }

        .slogan {
            max-width: 659px;
            position: absolute;
            transform: translate(0px, 0px);
            left: 18%;
            opacity: 1;
            top: 20%;
            font-size: 44px;
            font-weight: bolder;
        }

        .first-page-title>img {
            width: 16px;
            height:16px;
        }

        .first-page-title h1 {
            font-size: 2em;
            font-weight: 500;
            color: #333;
            margin-top: 40px;
        }

        .first-page-title .time-location {
            margin-top: 20px;
            color: #c7000a;
            font-weight: bold;
        }

        .first-page-title .time-location span:first-of-type {
            margin-right: 50px;
        }

        .first-page-title .time-location span img {
            margin-top: -5px;
        }

        .first-page-title .join-btn {
            display: inline-block;
            background: linear-gradient(270deg, rgba(255, 15, 42, 0.8) 0%, rgba(228, 74, 214, 0.8) 30%, rgba(111, 165, 238, 0.8) 100%);
            border-radius: 30px;
            text-align: center;
            color: #fff;
            padding: 10px 30px;
            font-size: 20px;
            margin-top: 40px;
            text-decoration: none;
        }

        .section {
            display: flex;
            align-items: center;
            padding-top: 140px;
            position: relative;
            background: url('../images/bg.png');
            background-repeat: repeat-y;
            background-size: 100% 100%;
            background-position: center center;
        }

        .section-title-over {
            padding-bottom: 80px;
        }
        .section-title{
            display: flex;
            letter-spacing: 0px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .section-title span{
            margin:0 0.82em;
        }
        .section-title::before{
            content: "";
            display: block;
            background-repeat: no-repeat;
            background-position: center;
            background-size: contain;
            background-image: url('../images/left.png');
            width: 20px;
            height: 20px;
        }
        .section-title::after{
            content: "";
            display: block;
            background-repeat: no-repeat;
            background-position: center;
            background-size: contain;
            background-image: url('../images/right.png');
            width: 20px;
            height: 20px;
        }
        @media (max-width: 1500px) {
            .section-title::before, .section-title::before {
                width: 0.56em;
                height: 0.56em;
            }
        }
        .course-story .section-title {
            width: fit-content;
            font-weight: bold;
            font-size: 2.5em;
            line-height: 1.5em;
            background: linear-gradient(45deg, #c7000a 0%, #c7000a 100%);
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin:0 auto;
        }
        .course-story ul{
            font-size: 24px;
            font-weight: bold;
            margin-left: 80px;
            line-height: 80px;
            color:#6d6dff;
        }
        .course-list{
            /* display: flex;
            justify-content: space-around; */
            display: grid;
            gap: 20px;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
        }
        @media (max-width:1576px){
            .course-list{
            /* display: flex;
            justify-content: space-around; */
            display: grid;
            gap: 20px;
            grid-template-columns: repeat(auto-fill, minmax(273px, 1fr));
            }
        }
        .course-list .course-item{
            width: 340px;
            height: 460px;
            border: 1px solid #e5e5e5;
        }
        @media (max-width:1576px){
            .course-list .course-item{
                width:300px;
            }
        }
        .course-list .course-item img{
            width:100%;
            height: 360px;
        }
        .course-list .course-item div{
            margin-left: 10px;
            padding: 10px 0;
        }
        .conference-news .section-title {
            width: fit-content;
            font-weight: bold;
            font-size: 2.5em;
            line-height: 1.5em;
            background: linear-gradient(45deg, #c7000a 0%, #c7000a 100%);
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin:0 auto;
        }
        .conference-news ul{
            font-size: 18px;
            font-weight: bold;
            margin-left: 80px;
            line-height: 40px;
            color:#6d6dff;
            display: flex;
            flex-wrap: wrap; 
            padding: 0;
            margin: 0; 
        }
        @media screen and (max-width: 1615px) and (max-width: 1441px) {
            .conference-news ul {
                font-size: 16px;
            }
        }
        @media (max-width: 1615px) {
            .conference-news ul {
                font-size: 14px;
            }
        }
        .conference-news ul li{
             width: 50%; 
            box-sizing: border-box; 
            padding: 10px; 
        }
        .conference-news .news-list{
            width: 100%;
            display: flex;
            flex-direction: row;
            height: 580px;
            justify-content: space-between;
        }
        .conference-news .news-item{
            flex:1;
            height: 98%;
            /* margin-right: 15px; */
            border-radius: 10px;
        }
        .conference-news .news-item>a{
            width: 98%;
            height: 100%;
            display: block; 
            border-radius: 10px;
            position: relative;
        }
        .conference-news .news-item .item-img1{
            width: 98%;
            height: 100%;
            border-radius: 10px;
        }
        .conference-news .bottom-title {
            border-radius: 10px;
            width: 98%;
            color: #fff;
            position: absolute;
            left: 0;
            bottom: 0;
            padding: 20px 0;
            background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 1) 100%);
        }
        .conference-news .bottom-title>div{
            margin-left: 20px;
        }
        .conference-news .bottom-tag{
            margin-bottom: 5px;
        }
        .conference-news .news-item-other{
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .conference-news .news-item-other>a{
            height: 280px;
        }
        .conference-news .one {
            top: 50%;
            left: 50%;
            transform: translateY(-50%);
        }
        .conference-news .tow{
            top: 110px;
            left: 28%;
        }
        .conference-news .three{
            top: 55%;
            right: 24%;
        }
        .conference-news .four{
            bottom: -150px;
            right: 10%;
        }
        .conference-news .one,.conference-news .tow,.conference-news .three,.conference-news .four{
            position: absolute;
            z-index: -1;
        }
        .latest-eleases .section-title{
            width: fit-content;
            margin: 0 auto;
            margin-bottom: 80px;
            font-weight: bold;
            font-size: 2.5em;
            line-height: 1.5em;
            background: linear-gradient(45deg, #c7000a 0%, #c7000a 100%);
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .latest-eleases ul{
            font-size: 18px;
            font-weight: bold;
            margin-left: 80px;
            line-height: 40px;
            color:#6d6dff;
            display: flex;
            flex-wrap: wrap; 
            padding: 0;
            margin: 0; 
        }
        @media screen and (max-width: 1615px) and (max-width: 1441px) {
            .latest-eleases ul {
                font-size: 16px;
            }
        }
        @media (max-width: 1440px) {
            .latest-eleases ul {
                font-size: 14px;
            }
        }
        .latest-eleases ul li{
            width: 50%; 
            box-sizing: border-box; 
            padding: 10px; 
        }
        .latest-eleases .news-list{
            width: 100%;
            display: flex;
            flex-direction: row;
            height: 430px;
            justify-content: space-between;
        }
        .latest-eleases .news-item{
            /* flex:1; */
            height: 98%;
            /* margin-right: 15px; */
            border-radius: 10px;
        }
        .latest-eleases .base{
            flex:2;
        }
        .latest-eleases .news-item>a{
            width: 98%;
            height: 100%;
            display: block; 
            border-radius: 10px;
            position: relative;
        }
        .latest-eleases .news-item .item-img1{
            width: 98%;
            height: 100%;
            border-radius: 10px;
        }
        .latest-eleases .bottom-title {
            border-radius:0 0 10px 10px;
            width: 98%;
            color: #333;
            position: absolute;
            left: 0;
            bottom: 0;
            padding: 10px 0;
            background: rgba(255, 255, 255, 0.7);
        }
        .latest-eleases .bottom-title>div{
            margin-left: 20px;
        }
        .latest-eleases .bottom-tag{
            margin-bottom: 5px;
        }
        .latest-eleases .news-item-other{
            flex:1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .latest-eleases .news-item-other>a{
            height: 200px;
        }
        .latest-eleases .one {
            top: 50%;
            left: 50%;
            transform: translateY(-50%);
        }
        .latest-eleases .tow{
            top: -36px;
            left: 24%;
        }
        .latest-eleases .three{
            top: 160px;
            right: 15%;
        }
        .latest-eleases .four{
            bottom: -150px;
            right: 10%;
        }
        .latest-eleases .five{
            bottom: 20px;
            right: 50%;
        }
        .latest-eleases .one,.latest-eleases .tow,.latest-eleases .three,
        .latest-eleases .four,.latest-eleases .five{
            position: absolute;
            z-index: -1;
        }
        .course-teachers .section-title{
            width: fit-content;
            margin: 0 auto;
            margin-bottom: 80px;
            font-weight: bold;
            font-size: 2.5em;
            line-height: 1.5em;
            background: linear-gradient(45deg, #c7000a 0%, #c7000a 100%);
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .course-teachers .news-list{
            display: flex;
            flex-direction: row;
            /* justify-content: space-between; */
            flex-wrap: wrap;
        }
        .course-teachers .news-item{
            height: 100%;
            margin-bottom: 10px;
            margin-right: 20px;
        }
        .course-teachers .bottom-title{
            box-sizing: border-box;
            background: #f1f2f4;
            padding: 10px;
            /* height: 200px; */
            font-size: 14px;
        }
        .course-teachers .news-item>a{
            height: 100%;
            display: block;
            width: 330px;
        }
        .course-teachers .news-item a img{
            width: 330;
            height: 288px;
        }
        .course-teachers .bottom-tag{
            font-size: 18px;
            font-weight: bold;

        }
        /* .course-teachers .one {
            top: 50%;
            left: 50%;
            transform: translateY(-50%);
        } */
        .course-teachers .tow{
            top: -36px;
            left: 24%;
        }
        /* .course-teachers .three{
            top: 160px;
            right: 15%;
        } */
        .course-teachers .four{
            bottom: -150px;
            right: 10%;
        }
        .course-teachers .five{
            bottom: 20px;
            right: 50%;
        }
        .course-teachers .tow,
        .course-teachers .four,.course-teachers .five{
            position: absolute;
            z-index: -1;
        }

        .map-address .section-title{
            width: fit-content;
            margin: 0 auto;
            margin-bottom: 80px;
            font-weight: bold;
            font-size: 2.5em;
            line-height: 1.5em;
            background: linear-gradient(45deg, #c7000a 0%, #c7000a 100%);
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        #allmap,#allmap1,#allmap2{
            width: 100%;
            height: 340px;
        }
        .map-address .map{
            display: flex;
            flex-direction: column;
            align-self: center;
            flex:1;
        }
        .address-list{
            display: flex;
            flex-direction: column;
            margin-left: 40px;
        }
        .address-list h1{
            font-size: 48px;
            font-weight: bolder;
            margin: 20px 0 ;
            text-align: center;
        }
        .address-list .address{
            font-size: 24px;
            color:#999;

        }
        .past-review .section-title{
            width: fit-content;
            margin: 0 auto;
            margin-bottom: 80px;
            font-weight: bold;
            font-size: 2.5em;
            line-height: 1.5em;
            background: linear-gradient(45deg, #c7000a 0%, #c7000a 100%);
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .swiper{
            width: 100%;
            height: 600px;
        }
        .swiper-slide{
            width: 100%;
            height: 100%;
        }
        .swiper-slide img{
            width: 100%;
            height: 100%;
        }
        .new-center .section-title{
            width: fit-content;
            margin: 0 auto;
            margin-bottom: 80px;
            font-weight: bold;
            font-size: 2.5em;
            line-height: 1.5em;
            background: linear-gradient(45deg, #c7000a 0%, #c7000a 100%);
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .new-center .new-item{
            display: flex;
            flex-direction: row;
        }
        .new-center .new-left{
            width: 720px;
            box-sizing: content-box;
        }
        .new-center .new-left img{
            width: 720px;
            height: 400px;
        }
        .new-center .left-item{
            width: 680px;
            background: #f5f5f5;
            padding: 20px;
        }
        .new-center .left-tit{
            font-size: 24px;
            font-weight: bold;
        }
        .new-center .left-mes{
            margin-top: 20px;
            color:#a4a4a4;
            white-space: wrap;
            text-overflow: ellipsis;
            overflow: hidden;
            font-size: 16px;
            height: 44px;
        }
        .new-center .new-right{
            margin-left: 20px;
            flex:1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .new-center .right-list a{
            border: 1px solid #eeeeee;
            display: flex;
            box-sizing: content-box;
        }
        .new-center .right-list img{
            width: 200px;
            height: 160px;
        }
        .new-center .right-list .right-item{
            padding: 20px 0 20px 20px;
            display: flex;
            flex-direction: column;
            justify-content: space-around;
        }
        .right-item .right-tit{
            font-weight: bold;
            font-size: 18px;
            text-overflow: ellipsis;
            overflow: hidden;
        }
        .right-item .right-mes{
            font-size: 14px;
            color:#a4a4a4;
            white-space: wrap;
            text-overflow: ellipsis;
            overflow: hidden;
            height: 42px;
        }
        .right-item .right-date{
            font-size: 14px;
            color: #a4a4a4;
        }
        .come-qida .section-title{
            width: fit-content;
            margin: 0 auto;
            margin-bottom: 80px;
            font-weight: bold;
            font-size: 2.5em;
            line-height: 1.5em;
            background: linear-gradient(45deg, #c7000a 0%, #c7000a 100%);
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .come-qida .come-list{
            display: flex;
        }
        .come-qida .come-list video{
            width: 600px;
            height: 400px;
        }
        .come-qida .come-list .come-item{
            display: flex;
            flex-direction: column;
            flex:1;
            padding:60px 40px 60px;
        }
        .online-resource .section-title{
            width: fit-content;
            margin: 0 auto;
            margin-bottom: 80px;
            font-weight: bold;
            font-size: 2.5em;
            line-height: 1.5em;
            background: linear-gradient(45deg, #c7000a 0%, #c7000a 100%);
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .online-resource .online-list ul{
            display: flex;
            justify-content: space-between;
            overflow: hidden;
            align-items: flex-start;
            list-style: none;
            height: 100%;
        }
        .online-list ul li{
            flex: 1;
            height: 100%;
            margin-right: 4px;
            transition: 0.5s all;
            overflow: hidden;
            list-style: none;
        }
        .online-list ul li:hover{
            flex:4.45;
        }
        .online-list ul li a{
            display: block;
            width: 100%;
            height: 100%;
            overflow: hidden;
            position: relative;
        }
        .online-list ul li .imgs{
            width: 750px;
            flex-shrink: 0;
            height: 100%;
            padding-top: 0;
        }
        .online-list ul li .imgs .fixed_ratio {
            height: 100%;
            padding-top: 0;
        }

        .fixed_ratio {
            position: relative;
            overflow: hidden;
            padding-top: calc(3 / 4* 100%);
        }
        .fixed_ratio img {
            position: absolute;
            left: 0;
            right: 0;
            top: 0;
            bottom: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .online-list ul li .text {
            position: absolute;
            bottom: 5%;
            left: 50%;
            z-index: 20;
            transform: translateX(-50%);
            text-align: left;
            transition: 0.5s all;
        }
        .online-list ul li .text h4 {
            display: block;
            font-size: 18px;
            font-weight: bold;
            font-stretch: normal;
            line-height: 2;
            letter-spacing: 0px;
            color: #c7000a;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        @media (max-width:1500px){
            .online-list ul{
                height: 40vw;
            }
            .online-list ul li .imgs{
                width:51vw;
            }
            .online-list ul li .text h4 {
                font-size: 17px;
            }
        }
        .foot{
            display: flex;
            background-color: #f6f8f9;
            border-top: 1px solid #e4e4e4;
            padding: 40px 0 80px;
            justify-content: space-evenly;
            color: #6c757d;
            justify-content:space-evenly;
        }