*{
    margin: 0;
    padding: 0;
}
html{
}
/*背景*/
.txt-header{
    width: 100%;
    height: 500px;
    overflow: hidden;
    position: relative;
}
.txt-header>img{
    width: 100%;
    min-height: 100%;
    object-fit: cover;
    position: absolute;
    bottom: 0%;
}
.txt-box{
    width: 35%;
    height: auto;
    position: absolute;
    top: 50%;
    left: 8%;
    transform: translateY(-50%);
    color: white;
    background: rgba(1,5,8,.3);
}
.txt-box>ul{
    width: 90%;
    margin: auto;
    padding: 20px 0 ;
}
.txt-creat{
    font-size: 18px;
    line-height: 30px;
}

.txt-year{
    font-size: 30px;
    line-height: 40px;
}
.txt-bs{
    font-size: 35px;
    line-height: 60px;
}

.txt-content{
    font-size: 15px;
    line-height: 30px;
}
/*tab*/
.layui-tab{
    margin: 0;
}
.layui-tab {
    margin: 0;
}

.layui-tab-title {
    height: 80px!important;
    display: flex;
    justify-content: center;
    background-color: white;
    border-bottom: 1px solid rgba(0, 0, 0, .05);
}

.layui-tab .layui-tab-title li {
    font-size: 18px;
    line-height: 80px!important;
}

.layui-tab-title li {
    width: 20%;
    height:80px;
    font-size: 18px;
    line-height: 80px;
    padding: 0;
    display: block;
    color: #333;
    background-color: white;
}

.layui-tab-title .layui-this:after {
    height: 80px;
    line-height: 80px;
    color: white;
    border: none;
    border-right: 1px solid rgba(0, 0, 0, .05);
}

.tt-t > a:hover {
    background-color: #226FD8;
    color: white;
}

.tt-t > a:active {
    background-color: #226FD8;
    color: white;
}

.layui-tab-title .layui-this {
    line-height: 80px;
    background-color: #226FD8;
    color: white;
}
.layui-tab-content{
    background-repeat: no-repeat;
    background-image: url(https://www.hailiangedu.com/bocweb/web/css/../img/world-bg.png);
    background-size: 66.4583%;
    background-color: #f3f7fc;
    background-position: right 300px;
    padding: 0;
}
.bg-transparent{
    margin: 0;
}

.layui-tab-title .layui-this {
    line-height: .8rem;
    background-color: #226FD8;
    color: white;
}
.layui-tab-content{
    background-repeat: no-repeat;
    background-image: url(https://www.hailiangedu.com/bocweb/web/css/../img/world-bg.png);
    background-size: 66.4583%;
    background-color: #f3f7fc;
}
/*校园风光*/
.campus{
    width: 90%;
    margin: auto;
    padding-bottom: 50px;
}
.campus-head{
    width: 100%;
    height: auto;
    position: relative;
    margin: auto;
    padding-top: 30px;
}
.ch-e{
    text-align: left;
    font-size: 35px;
    line-height: 45px;
    color: #a2a2a2;
    opacity: .1;
    filter: alpha(opacity=10);
    text-transform: uppercase;
    font-family: "GothamBold_3";
}
.ch-c{
    font-size: 35px;
    line-height: 90px;
    margin-top: -70px;
    font-weight: bold;
}
.cc-school{
    width: 88%;
    margin: auto;
    display: flex;
    justify-content: right;
}
.layui-form{
    width: 15%;
    height: 60px;
}
.layui-form-select{
    display: block;
    background-color: #fff;
    text-align: center;
    box-shadow: 0 30px 100px rgba(13, 74, 197, .08);
    transition: all .3s;
}
.layui-form-select .layui-input{
    width: 100%;
    height: 60px;
    font-size: 13px ;
}
.layui-input:focus, .layui-textarea:focus{
    border-color:#226FD8!important;
}
.layui-form-select dl{
    box-shadow: 0 30px 100px rgba(13, 74, 197, .08);
    overflow: auto;
    top: 60px;
    transition: all .3s ease-in-out;
}
.layui-form-select dl dd.layui-this{
    background-color: #226FD8;
    color: white;
}
.layui-form-select dl dd, .layui-form-select dl dt{
    font-size: 13px;
    line-height: 40px;
}
.cc-imgs{
    width: 90%;
    margin: auto;
    padding-top: 20px;
}
.cc-img{
    height: auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}
.cc-img1{
    width: 95%;
    height: 400px;
    overflow: hidden;
}
.cc-img1>img{
    width: 100%;
    height: auto;
}
.cc-name{
    width: 100%;
    height: 60px;
    text-align: center;
    line-height: 60px;
    letter-spacing: 1px;
    font-size: 18px;
}

/*社团活动*/
.social-center{
    width: 90%;
    margin: auto;
    padding-top:20px;
}
.layui-collapse{
    background-color: white;
    height: 600px;
    overflow-y: scroll;
    border-color:  rgba(0,0,0,.1);
    border: 0px solid;
}
.layui-collapse::-webkit-scrollbar {
    height: 3px;
    width: 4px;
}

.layui-collapse::-webkit-scrollbar-thumb {
    background: #226fd8;
    border-radius: 25px;
    height: 50%;
}

.layui-collapse::-webkit-scrollbar-track {
    background: #e5e5e5;
    border-radius: 25px;
}
.layui-colla-title{
    height: auto;
    background-color: white;
    font-size: 16px;
    display: flex;
    align-items: center;
    position: relative;
}
.layui-colla-title>div{
    width: 90%;
    line-height: 30px;
    padding-top: 10px;
    padding-bottom: 10px;
}
.layui-colla-icon{
    position: absolute;
    right:20px;
    left: auto;
    top:2px;
    font-size: 20px;
}
.layui-colla-content{
    height: 200px;
    padding: 10px 35px;
    border: 0px solid;
    font-size: 14px;
    line-height: 30px;
    overflow-y: scroll;
}
.layui-colla-content::-webkit-scrollbar{
    width: 1px;
    height: 10px;
}
.social-img{
    height: 600px;
    background: white;
    text-align: center;
    overflow: hidden;
    position: relative;
}
.social-img>img{
   min-width: 100%;
    min-height: 100%;
    object-fit: cover;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}
@media screen and (max-width: 1480px) {
    .txt-box{
        width: 40%;
    }
    .txt-year{
        font-size: 25px;
        line-height: 30px;
    }
    .txt-bs{
        font-size: 30px;
    }
    .txt-content{
        font-size: 14px;
    }
    .cc-img1{
        height: 350px;
    }
    .social-center{
        width: 100%;
    }
}
@media screen and (max-width: 1280px) {
    .txt-box {
        width: 60%;
    }
    .txt-content {
        font-size: 15px;
    }
    .layui-tab-title{
        height: 70px!important;
    }
    .layui-tab .layui-tab-title li{
        font-size: 16px;
        line-height: 70px;
    }
    .layui-tab-title .layui-this:after,.layui-tab-title li{
        height: 70px;
    }
    .social-img{
        display: flex;
        align-items: center;
    }
    .social-img>img{
        width: 100%;
        height: auto;
    }
    .layui-form{
        width: 20%;
    }
    .layui-form-select .layui-input{
        height: 50px;
    }
    .cc-img1{
        height: 300px;
    }
}

@media screen and (max-width: 990px) {
    .txt-box{
        width: 80%;
        height: auto;
        position: absolute;
        left: 8%;
        color: white;
    }
    .txt-header{
        height: 400px;
    }
    .txt-header>img{
        width: 100%;
    }
    .txt-creat{
        font-size: 15px;
    }
    .txt-year{
        font-size: 20px;
    }
    .txt-bs{
        font-size: 25px;
        line-height: 50px;
    }
    .txt-content{
        font-size: 14px;
    }
    .social-center{
        width: 90%;
    }
    .social-center>div:nth-child(1){
        width: 100%;
    }
    .social-center>div:nth-child(2){
        width: 100%;
    }
    .layui-collapse{
        height: 350px;
    }
    .layui-colla-content{
        height: auto;
    }
    .cc-img1{
        height: 250px;
    }
    .cc-img1>img{
        width: auto;
        height: 100%;
    }
    .cc-name{
        height: 50px;
        line-height: 50px;
        font-size: 15px;
    }
    .ch-e{
        font-size: 30px;
        line-height: 40px;
    }
    .ch-c{
        font-size: 30px;
    }
}

@media screen and (max-width: 768px) {
    .txt-box{
        display: none;
    }
    .txt-header{
        height: 350px;
    }
    .tc-card{
        width: 60%;
        margin:20px auto;
    }
    .layui-form{
        width: 25%;
    }
    .cc-img1{
        height:auto;
    }
    .cc-img1>img{
        width: 100%;
        height: auto;
    }
    .social-center{
        padding-top: 10px;
    }
    .social-center>div:nth-child(1){
        width: 100%;
    }
    .layui-collapse{
        height: 320px;
    }
    .layui-colla-content{
        height: auto;
    }
    .social-img{
        width: 100%;
       display: none;
    }
    .social-img>img{
        width: 100%;
        height: auto;
        position: static;
        transform: none;
    }
}
@media screen and (max-width: 500px) {
    .txt-header{
        height: 250px;
    }
    .txt-box{
        display: none;
    }
    .layui-tab-title{
        height: 60px!important;
    }
    .layui-tab .layui-tab-title li{
        font-size: 14px;
        line-height: 60px!important;
    }
    .layui-tab-title .layui-this:after,.layui-tab-title li{
        height:60px;
    }
    .layui-form{
        width: 35%;
    }
    .ch-e{
        font-size: 25px;
        line-height: 33px;
    }
    .ch-c{
        font-size: 25px;
    }
}
@media screen and (max-width: 400px) {
    .layui-tab .layui-tab-title li{
        font-size: 13px;
    }
    .layui-form{
        width: 50%;
    }
    .layui-colla-title,.layui-colla-icon{
        font-size: 15px;
    }
    .layui-colla-title>div{
        line-height: 25px;
    }
    .layui-colla-content{
        font-size: 13px;
        line-height: 25px;
    }
}