.w-1400px{
    width: 1400px;
}
/* .w-1200px{
    width: 1200px;
} */
.login .container-warp a:nth-child(1)::before,
.nav-top .tel::before,
header nav li.red .same::before,
header nav li a:before,
header nav .nav li .same::after,
header nav li:nth-child(3) dl .wrap dd:nth-child(2) .nav-second a:nth-child(1)::before,
.footer-top-bg .cont .text-cont ul.right>li:nth-child(1) ul li .hover-wrap>div::before,
.footer-top-bg .cont .text-cont ul.right>li:nth-child(1) ul li .little-red-book>div ul li p:nth-child(1)::before{
    content: "";
    position: absolute;
    background-size: 100% 100%;
    background-repeat: no-repeat;
}
/* 顶部登录 */
.login{
    background-color: #F2F2F2;
}
.login .container-warp{
    padding: 8px 0;
    width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: end;
}
.login .container-warp a{
    font-size: 14PX;
    color: #3D3D3D;
}
.login .container-warp a:hover{
    color: #8C8C8C;
}
.login .container-warp a:nth-child(1){
    padding-right: 15px;
    margin-right: 15px;
    position: relative;
}
.login .container-warp a:nth-child(1)::before{
    height: 13px;
    width: 1px;
    margin: auto;
    top: 4px;
    right: 0;
    background-color:  #b8b8b8;
}
/* 电话及导航 */
.nav-top{
    padding-top: 22px;
    width: 1200px;
    margin: 0 auto;
}
.nav-top{
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.nav-top .tel{
    padding-left: 40px;
    position: relative;
    font-size: 24.76px;
    color: #262626;
    font-weight: bold;
}
.nav-top .tel::before{
    width: 25px;
    height: 25px;
    margin: auto;
    left: 0;
    top: 0;
    bottom: 0;
    background-image: url(https://oss.kaoersi.com/public/images/new-index/common/tel-icon.png);
}
.nav-top .top-logo{
    display: block;
    height: 42px;
    width: 147px;
}
.nav-top .top-logo img{
    height: 42px;
}
header nav .nav li .same a,
header nav .nav>li:nth-child(1) a{
    font-size: 16px !important;
}
header nav .nav li a.home{
    font-weight: bold;
    padding: 13px 0px 16px 0px!important;
}


header nav{
    background-color: #F2F2F2;
    display: flex;
}
header nav .nav{
    width: 1200px;
    margin: auto;
    justify-content: space-between;
}
header nav .class-nav{
    margin-top: 16px;
    border-radius: 4px 4px 0 0 ;
    width: 180px;
    height: 40px;
    font-size: 18px;
    color: #3D3D3D;
    font-weight: bold;
    line-height: 40px;
    text-align: center;
    background-color: #FFD409;
}
header nav .nav li{
    cursor: pointer;
}
header nav .nav>li:last-child,
header nav .nav>li:nth-child(11){
    display: none !important;
}
header nav .nav li a.home{
    display: block;
    padding:11px 0px 16px 0px!important;
    font-weight: normal;
}
header nav .nav li a.home:hover{
    color: #262626;
}
header nav .nav li .same a{
    padding: 13px 9px 16px !important;
    font-size: 18px;
    color: #262626;
    font-weight: normal;
}
header nav .nav li .same a.one_same_cat:hover{
    color: #262626;
}
header nav .nav li #second a{
    padding-left: 0 !important;
}
header nav .nav li .same::after{
    margin: auto;
    top: -5px;
    bottom: 0;
    right: -6px;
    border-left: 1px solid transparent;
    border-right: 1px solid #5b5b5b;
    border-top: 1px solid transparent;
    border-bottom: 1px solid #5b5b5b;
    width: 6px;
    height: 6px;
    transform: rotate(45deg);
    transition: all .3s;
}
header nav .nav li.ok .same::after{
    margin: auto;
    top: 2px;
    bottom: 0;
    right: -6px;
    border-left: 1px solid transparent;
    border-right: 1px solid #5b5b5b;
    border-top: 1px solid transparent;
    border-bottom: 1px solid #5b5b5b;
    width: 6px;
    height: 6px;
    transition: all .2s;
    transform: rotate(225deg);
}
#second .same::after{
    width: 0;
}
#second .same{
    border-bottom: 1px solid #e3e3e3;
}
#second .same a{
    font-weight: bold;
}
header nav li.red .same{
    position: relative;
}
header nav li.red:before{
    width: 0;
}
header nav li.red .same::before{
    content: "NEW";
    font-size: 10px;
    color: #fff;
    /* right: -15px; */
    right: -21px;
    top: 1px;
    padding: 0px 3px;
    background-color: #f93803;
    border-radius: 4px 4px 4px 0;
}
header nav li a:before{
    background-color: #FFD409;
}
header .nav li dl dd a{
    font-size: 14px;
    color: #262626;
    margin-bottom: 3px;
}
.nav li dl{
    padding: 12px 0px 5px 0px !important;
}
/* 导航本硕辅导样式 */
nav li:nth-child(3) dl{
    width: 571px;
    /* height: 309px; */
    height: 338px;
    border-bottom-right-radius:8px !important;
    border-radius: 0 0 8px 8px;
    background:  #FFF;
}
nav li:nth-child(3) dl .wrap{
    padding: 0px 30px 1px 39px;
    display: flex;
    justify-content: space-between;
}
nav li:nth-child(3) dl .wrap dd{
    width: 126px;
}
nav li:nth-child(3) dl .wrap dd:last-child{
    width: 154px;
}
nav li:nth-child(3) dl .wrap dd,
nav li:nth-child(3) dl .wrap dd a{
    text-align: left;
}
nav li:nth-child(3) dl .wrap dd a{
    width: 100%;
}
header nav li dl dd .nav-second{
    display: block !important;
    /* position: relative; */
}
header nav li:nth-child(3) dl .wrap dd:nth-child(2){
    position: relative;
}
header nav li:nth-child(3) dl .wrap dd:nth-child(2) .nav-second a:nth-child(1){
    position: relative;
}
header nav li:nth-child(3) dl .wrap dd:nth-child(2) .nav-second a:nth-child(1)::before{
    content: "热门";
    color: #fff;
    padding: 0 2px;
    font-size: 10px;
    display: flex;
    align-items: center;
    width: 24px;
    height: 14px;
    justify-content: space-around;
    background-color: #f93803;
    border-radius: 4px 4px 4px 0;
    top: 4px;
    left: 70px;
}
header nav li dl dd .nav-second a{
    display: block;
}
header nav li dl dd .nav-second{
    width: 100%;
    padding: 0;
    position: sticky;
    background: none;
}
header nav li dl dd .nav-second:before,
header nav li .pc-red .same::after{
    width: 0 !important;
}
header nav li .pc-red .same::after{
    border-left: 1px solid transparent !important;
    border-right: 1px solid #fff !important;
    border-top: 1px solid transparent !important;
    border-bottom: 1px solid #fff !important;
}
header nav li dl dd .nav-second a{
    margin-top: 8px;
}
/* footer 样式 */
/* footer公用样式 */
.footer-top-bg .cont .left li:nth-child(3),
.footer-top-bg .cont .middle dl dt,
.footer-top-bg .cont .middle dl dt a{
    color: #fff;
}
.footer-top-bg .cont .middle dl dt,
.footer-top-bg .cont .text-cont ul.right li:last-child{
    font-size: 16px;
}
.footer-top-bg{
    padding: 40px 0;
    background-color: #2A2A32;
    display: flex;
}
.footer-top-bg .cont{
    width: 1200px;
    margin: 0 auto;
    display: flex;
}
.footer-top-bg .cont .left .white-logo{
    width: 170px;
    height: 50px;
}
.footer-top-bg .cont .left li:nth-child(1){
    margin-bottom: 42px;
}
.footer-top-bg .cont .left li:nth-child(2){
    display: flex;
    align-items: center;
    margin-bottom: 19px;
}
.footer-top-bg .cont .left li:nth-child(2) img{
    width: 24px;
    height: 23px;
    margin-right: 17px;
}
.footer-top-bg .cont .left li:nth-child(3){
    font-size: 24px;
}
.footer-top-bg .cont .text-cont{
    display: flex;
    justify-content: space-between;
}
.footer-top-bg .cont .middle{
    display: flex;
    align-items: flex-start;
    margin-left: 100px;
    padding-left: 111px;
    border-left: 1px solid rgba(255,255,255,.19);
}
.footer-top-bg .cont .middle dl{
    text-align: center;
    margin-right: 97px;
}
.footer-top-bg .cont .middle dl a{
    color: #B6B6B6;
}
.footer-top-bg .cont .middle dl a:hover{
    color: #FFD409;
}
.footer-top-bg .cont .middle dl dd:nth-child(2){
    margin-top: 24px;
}
.footer-top-bg .cont .middle dl dd{
    margin-top: 20px;
}
.footer-top-bg .cont .text-cont ul.right>li:nth-child(1) ul{
    display: flex;
}
.footer-top-bg .cont .text-cont ul.right>li:nth-child(1) ul li{
    margin-right: 20px;
    cursor: pointer;
    position: relative;
}
.footer-top-bg .cont .text-cont ul.right>li:nth-child(1) ul li .wrap{
    width: 60px;
    height: 38px;
    flex-shrink: 0;
    border-radius: 4px;
    background: #ffffff1a;
    display: flex;
    justify-content: space-around;
    align-items: center;
}
.footer-top-bg .cont .text-cont ul.right>li:nth-child(1) ul li:nth-child(1) .wrap img{
    height: 15px;
}
.footer-top-bg .cont .text-cont ul.right>li:nth-child(1) ul li:nth-child(2) .wrap img{
    height: 12px;
}
.footer-top-bg .cont .text-cont ul.right>li:nth-child(1) ul li:nth-child(3) .wrap img{
    height: 17px;
}
.footer-top-bg .cont .text-cont ul.right>li:nth-child(1) ul li .hover-wrap>div{
    position: relative;
    background-color: #fff;
    border-radius: 8px;
}
.footer-top-bg .cont .text-cont ul.right>li:nth-child(1) ul li .hover-wrap>div::before{
    width: 12px;
    height: 12px;
    background-color: #fff;
    transform: rotate(45deg);
    bottom: -6px;
}
/* 客服悬停样式 */
.footer-top-bg .cont .text-cont ul.right>li:nth-child(1) ul li .kefu-wechat{
    bottom: 56px;
    left: -40px;
}
.footer-top-bg .cont .text-cont ul.right>li:nth-child(1) ul li .kefu-wechat>div{
    width: 331px;
    height: 152px;
    display: flex;
    align-items: center;
    padding: 10px;
}
.footer-top-bg .cont .text-cont ul.right>li:nth-child(1) ul li .kefu-wechat>div::before{
    left: 62px;
}
.footer-top-bg .cont .text-cont ul.right>li:nth-child(1) ul li .kefu-wechat img {
    margin-right: 8px;
    width: 131px;
    height: 131px;
    border-radius: 4.85px;
}
.footer-top-bg .cont .text-cont ul.right>li:nth-child(1) ul li .kefu-wechat div p:nth-child(1){
    text-align: center;
    font-size: 16px;
    color: #262626;
    font-weight: bold;
}
.footer-top-bg .cont .text-cont ul.right>li:nth-child(1) ul li .kefu-wechat div p:nth-child(2){
    text-align: center;
    font-size: 14px;
    color: #5B5B5B;
    margin-top: 9px;
}
/* 小红书悬停样式 */
.footer-top-bg .cont .text-cont ul.right>li:nth-child(1) ul li .little-red-book{
    left: -75px;
}
.footer-top-bg .cont .text-cont ul.right>li:nth-child(1) ul li .little-red-book>div{
    padding: 14px 17px;
    background-color: #fff;
    width: 445px;
    height: 128px;
}
.footer-top-bg .cont .text-cont ul.right>li:nth-child(1) ul li .little-red-book>div::before{
    left: 100px;
}
.footer-top-bg .cont .text-cont ul.right>li:nth-child(1) ul li .little-red-book>div ul{
    width: 412px !important;
    display: flex;
    justify-content: space-between;
}
.footer-top-bg .cont .text-cont ul.right>li:nth-child(1) ul li .little-red-book>div ul li{
    padding: 14px 15px 14px 32px;
    background-color: #F5F5F5;
    width: 200px;
    height: 74px;
    margin-right: 0;
    color: #3D3D3D;
}
.footer-top-bg .cont .text-cont ul.right>li:nth-child(1) ul li .little-red-book>div ul li p:nth-child(1){
    position: relative;
    font-size: 14px;
    white-space: nowrap;
}
.footer-top-bg .cont .text-cont ul.right>li:nth-child(1) ul li .little-red-book>div ul li p:nth-child(1)::before{
    line-height: 19px;
    content: "@";
    border: 20px;
    display: flex;
    align-items: center;
    justify-content: space-around;
    font-size: 12px;
    color: #fff;
    width: 17px;
    height: 17px;
    left: -25px;
    margin: auto;
    top: 0;
    bottom: 0;
    border-radius: 20px;
    background-color: #f93803;
}
.footer-top-bg .cont .text-cont ul.right>li:nth-child(1) ul li .little-red-book>div ul li p:nth-child(2){
    font-size: 12px;
    margin-top: 10px;
}
.footer-top-bg .cont .text-cont ul.right>li:nth-child(1) ul li .little-red-book .last-text{
    font-size: 12px;
    color: #5B5B5B;
    margin-top: 10px;
}
.footer-top-bg .cont .text-cont ul.right>li:nth-child(1) ul li:hover .hover-wrap{
    display: block;
}
.footer-top-bg .cont .text-cont ul.right>li:nth-child(1) ul li .hover-wrap{
    position: absolute;
    left: -50px;
    bottom: 60px;
    display: block;
    box-shadow: -9px 11px 15.2px 3px #5d5a5a40;
    display: none;
}
.footer-top-bg .cont .text-cont ul.right>li:nth-child(1){
    margin-bottom: 32px;
}
.footer-top-bg .cont .text-cont ul.right >li:nth-child(2){
    text-align: right;
}
.footer-top-bg .cont .text-cont ul.right >li:nth-child(2) img{
    width: 209px;
    height: 90px;
}
.footer-top-bg .cont .text-cont ul.right>li:last-child{
    color: #DCDCDC;
    text-align: right;
    margin: 12px 22px 0 0 ;
}
/* footer-top样式 */
.footer-bottom-bg .friend-link{
    width: 1354px;
    margin: 0 auto;
    position: relative;
    padding-left: 60px;
}
.footer-bottom-bg .friend-link p{
    position: absolute;
    left: 0;
    top: 1px;
}
.footer-bottom-bg .friend-link ul,
.footer-bottom-bg .info .top{
    display: flex;
}
.footer-bottom-bg .friend-link ul{
    flex-wrap: wrap;
}
.footer-bottom-bg .info .top{
    display: flex;
    justify-content: center;
}
.footer-bottom-bg .friend-link ul li{
    margin-right: 6px;
    margin-bottom: 1px;
}
.footer-bottom-bg .friend-link p,
.footer-bottom-bg .friend-link ul li a{
    font-size: 12px;
    color: #B6B6B6;
}
.footer-bottom-bg .info{
    background-color: #1E1E1E;
    padding: 12px;
    width: 40%;
    /* width: 612px; */
    margin: 0 auto;
}
.footer-bottom-bg .info,
.footer-bottom-bg .info .top li a {
    font-size: 10px;   
    color: rgba(255,255,255,.60);
}
.footer-bottom-bg .info .top{
    width: 100%;
}
.footer-bottom-bg .info .top li{
    padding-left: 20px;
    position: relative;
}
.footer-bottom-bg .info .top li::before{
    left: 0;
    top: 1px;
    position: absolute;
    content: "";
    background-size: 100% 100%;
    background-repeat: no-repeat;
}
.footer-bottom-bg .info .top li:nth-child(1):before{
    width: 12px;
    height: 13px;
    background-image: url(https://oss.kaoersi.com/public/images/new-index/common/footer-icon1-1.png);
}
.footer-bottom-bg .info .top li:nth-child(2):before{
    width: 12px;
    height: 12px;
    background-image: url(https://oss.kaoersi.com/public/images/new-index/common/footer-icon1-2.png);
}
.footer-bottom-bg .info .top li:nth-child(2){
    margin-left: 16px;
    margin-right: 25px;
}
.footer-bottom-bg .info .top li:nth-child(3):before{
    width: 12px;
    height: 13px;
    background-image: url(https://oss.kaoersi.com/public/images/new-index/common/footer-icon1-3.png);
}
.footer-bottom-bg .info .top li:nth-child(1) a{
    margin-left: 20px;
}
.footer-bottom-bg .info .copyright{
    display: flex;
    justify-content: space-around;
}
.footer-bottom-bg .info .copyright div{
    display: flex;
    align-items: center;
    margin-top: 11px;
}
.footer-bottom-bg .info .copyright img{
    margin-right: 9px;
    width: 45px;
    height: 14px;
}
/* footer-bottom样式*/
.footer-bottom-bg{
    padding: 24px 0;
    background-color: #242424;
}
.footer-bottom-bg .friend-link{
    width: 1354px;
    margin: 0 auto;
}
/* 公用右侧 */
.all-fixed-right-silder-n{
    width: 72px;
    position: fixed;
    top: 30%;
    right: 0;
    background-color: #fff;
    z-index: 9;
    border-radius: 4px ;
    box-shadow: -4px 0 6.9px 0 rgba(163,163,163,.25);
}
.all-fixed-right-silder-n li{
    cursor: pointer;
    position: relative;
}
.all-fixed-right-silder-n li a{
    background-color: #fff;
    text-align: center;
    padding: 12px 5px;
    display: block;
}
.all-fixed-right-silder-n li:hover a{
    background-color: #FAFAFA;
}
.all-fixed-right-silder-n li>div{
    display: none;
    right: 85px;
    top: 0;
    position: absolute;
    background-color: #fff;
    border-radius: 4px;
    box-shadow: 0 5px 7.3px 2px rgba(198,198,198,0.25);
}
.all-fixed-right-silder-n li:hover .ttel,
.all-fixed-right-silder-n li:hover .wechat{
    display: block;
}
.all-fixed-right-silder-n li .ttel{
    padding: 10px;
    width: 191px;
    height: 79px;
    font-size: 12px;
    color: #262626;
}
.all-fixed-right-silder-n li .ttel span{
    font-size: 14px;
    font-weight: bold;
}
.all-fixed-right-silder-n li .ttel p:first-child{
    padding-bottom: 11px;
    margin-bottom: 11px;
    border-bottom:1px dashed #c7c7c7;
}
.all-fixed-right-silder-n li .wechat{
    top: -54px;
    text-align: center;
    padding: 14px 18px;
    width: 152px;
    height: 165px;
}
.all-fixed-right-silder-n li .wechat img{
    width: 117px;
    height: 117px;
    margin-bottom: 5px;
}
.all-fixed-right-silder-n li .wechat p{
    font-size: 12px;
    color: #262626;
}
.all-fixed-right-silder-n li a p{
    font-size: 12px;
    color: #5b5b5b;
    margin-top: 4px;
}
.all-fixed-right-silder-n li:last-child p{
    color: #ff7b02;
}
.all-fixed-right-silder-n li:last-child:hover a{
    background-color: #fff;
}
.all-fixed-right-silder-n .mx-auto{
    width: 28px;
    height: 28px;
    margin: 0 auto;
}
.all-fixed-right-silder-n::before{
    width: 0;
}
/* 小于1400px样式 */
@media (max-width: 1400px) {
    /* nav样式 */
    header nav .nav li .same a{
        padding: 13px 5px 16px !important;
    }
    header nav .nav li .same::after{
        right: -10px;
    }
    /* footer样式 */
    .login .container-warp,
    .footer-top-bg .cont,
    .footer-bottom-bg .friend-link{
        width: 1200px !important;
    }
    .footer-bottom-bg .info{
        width: 47%;
    }
    
}
/* 全屏弹窗 */
.all-alert{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    justify-content: space-around;
    align-items: center;
    background-color: rgba(0,0,0,.70);
    z-index: 11;
}
.all-alert .cons{
    width: 543px;
    position: relative;
}
.all-alert .cons img:nth-child(1){
    width: 513px;
    height: 399px;
}
.all-alert .cons img:nth-child(2){
    width: 40px;
    height: 40px;
    position: absolute;
    right: 7px;
    top: 9px;
    cursor: pointer;
}
.all-alert .cons a:last-child{
    display: block;
    width: 158px;
    height: 52px;
    position: absolute;
    margin: auto;
    bottom: 14px;
    left: 0;
    right: 29px;
    /* border:1px solid red; */
}