*{
    padding: 0;
    margin: 0;
}
a{
    text-decoration: none;
}
html, body{
    min-height: 100%;
}
body .index{
    min-height: 100%;
}
.header{
    width: 1200px;
    height: 80px;
    margin: 0 auto;
    display: flex;
    align-items: center;
}
.logo{
    width: 143.6px;
    margin-right: 60px;
    cursor: pointer;
}
.navs{
    display: flex;
    align-items: center;
    font-weight: 400;
    font-size: 16px;
    color: #333333;
    margin-right: 133px;
}
.nav{
    line-height: 80px;
    cursor: pointer;
    margin: 0 20px;
    position: relative;
    height: 80px;
    color: #333;
}
.nav:hover, .nav.active{
    color: #D82B32;
}
.nav:hover::after, .nav.active::after{
    content: '';
    display: block;
    width: 32px;
    height: 3px;
    background: #D82B32;
    border-radius: 4px;
    position: absolute;
    bottom: 22px;
    left: 50%;
    transform: translateX(-50%);
}
.contact{
    padding: 10px;
    height: 20px;
    background: #EEEEEE;
    border-radius: 18px;
    display: flex;
    align-items: center;
    margin-right: 30px;
}
.contact img{
    margin-right: 5px;
}
.contact span{
    font-size: 16px;
    color: #333333;
}
.register{
    padding: 9px 18px;
    background: #FFFFFF;
    border-radius: 18px;
    border: 1px solid #D8D8D8;
    font-size: 14px;
    color: #3D3D3D;
    margin-right: 20px;
    cursor: pointer;
}
.login{
    padding: 9px 18px;
    font-size: 14px;
    color: white;
    background: #D82B32;
    border-radius: 18px;
    border: none;
    cursor: pointer;
}
.banner{
    font-size: 0;
}
.banner img{
    width: 100%;
}
.main{
    display: flex;
    flex-direction: column;
    justify-content: center;
    margin: 0 auto;
}

.title{
    display: flex;
}
.title .img_left, .title .img_right{
    width: 42px;
}
.title span{
    font-weight: 700;
    font-size: 36px;
    color: #333333;
    margin: 0 30px;
}

.title_sub{
    display: flex;
    height: 33px;
    align-items: center;
    justify-content: center;
}
.title_sub .dzz{
    margin-right: 17px;
}
.title_sub .img_num{
    margin-right: 10px;
}
.title_sub .font{
    font-weight: 700;
    font-size: 28px;
    color: #333333;
}
.title_sub .dzy{
    margin-left: 20px;
}

.title_sup{
    font-weight: 500;
    font-size: 16px;
    color: #333333;
    padding-left: 12px;
    box-sizing: border-box;
    position: relative;
}
.title_sup::after{
    content: '';
    display: block;
    width: 3px;
    height: 16px;
    background: #FF4531;
    border-radius: 2px;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: 6px;
}

.headline{
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.ai_video{
    height: 648px;
    background: #FFF8F8;
    padding: 88px 0;
    box-sizing: border-box;
}
.headline video{
    width: 640px;
    height: 360px;
    border-radius: 24px;
    margin-top: 60px;
}
.headline .private_class{
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 60px;
    height: 390px;
}
.private_class .cont{
    width: 576px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.cont .font{
    font-size: 24px;
    color: #3D3D3D;
    line-height: 40px;
}
.cont .line{
    width: 120px;
    height: 7px;
    background: linear-gradient( 180deg, #FF948C 19%, #FF4032 100%);
    border-radius: 5px;
}
.cont .class_list{
    padding-left: 22px;
    box-sizing: border-box;
    height: 128px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.class_list li{
    font-size: 22px;
    color: #3D3D3D;
    line-height: 36px;
}
.class_list li::marker{
    color: #FF584B;
    width: 8px;
}
.private_class>img{
    font-size: 0;
    width: 563px;
}
.diff_box{
    width: 100%;
    height: 528px;
    background: #FFF8F8;
    margin-top: 70px;
    padding-top: 90px;
    box-sizing: border-box;
}
.difficulty{
    display: flex;
    justify-content: space-between;
    margin-top: 60px;
    width: 990px;
    height: 240px;
}
.difficulty .diff{
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 200px;
    height: 240px;
    background-color: white;
}
.difficulty .diff img{
    width: 200px;
    height: 184px;
    font-size: 0;
}
.difficulty .diff div{
    height: 56px;
    line-height: 56px;
    font-size: 16px;
    color: #3D3D3D;
}
.step01{
    display: flex;
    flex-direction: column;
}
.oblique{
    width: 690px;
    height: 80px;
    border: 1px solid #FF4032;
    border-radius: 10px;
    transform: skew(10deg);
}
.oblique .reverse_oblique{
    height: 80px;
    transform: skew(-10deg);
    display: flex;
    align-items: center;
}
.reverse_oblique .img{
    margin-left: 40px;
}
.reverse_oblique span{
    font-size: 24px;
    color: #333333;
}
.step02 {
    width: 100%;
}
.step02 .p{
    font-size: 18px;
    color: #3D3D3D;
    margin-bottom: 40px;
    text-align: center;
}
.step02 .img_list{
    display: flex;
    justify-content: space-between;
    height: 265px;
}
.img_list img{
    box-shadow: 0px -1px 15px 0px rgba(55,5,5,0.1);
}
.step03{
    display: flex;
    justify-content: space-between;
}
.step03 .cont{
    padding-top: 10px;
    box-sizing: border-box;
}
.step03 .cont .line{
    margin-bottom: 20px;
}
.step03 .cont .font{
    width: 480px;
}
.step04{
    width: 1020px;
    display: flex;
    justify-content: space-between;
    height: 310px;
}
.step04 .superintendent{
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.superintendent .superintendent_cont{
    position: relative;
}
.superintendent_cont .additional{
    display: flex;
    width: 100%;
    height: 20px;
    position: absolute;
    left: 100%;
}
.additional>img{
    margin-right: 8px;
}
.additional.additional1{
    top: 49px;
}
.additional.additional2{
    top: 102px;
}
.additional.additional3{
    top: 155px;
}
.additional.additional4{
    top: 209px;
}
.step05{
    width: 1104px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}
.study_circle{
    width: 348px;
    height: 240px;
    margin-right: 30px;
    margin-bottom: 30px;
    padding: 37px 30px 0 23px;
    box-sizing: border-box;
    box-shadow: 0px -1px 15px 0px rgba(55,5,5,0.1);
}
.study_circle.study_circle1{
    background: url(/Images/zysx/bg01.png) 100% no-repeat;
}
.study_circle.study_circle2{
    background: url(/Images/zysx/bg02.png) 100% no-repeat;
}
.study_circle.study_circle3{
    background: url(/Images/zysx/bg03.png) 100% no-repeat;
}
.study_circle.study_circle4{
    background: url(/Images/zysx/bg04.png) 100% no-repeat;
}
.study_circle.study_circle5{
    background: url(/Images/zysx/bg05.png) 100% no-repeat;
}
.step05 .study_circle:nth-child(3){
    margin-right: 0;
}
.study_circle h2{
    font-size: 28px;
    color: #030C22;
    text-indent: 14px;
    line-height: 10px;
}
.cir_content{
    margin-top: 30px;
    display: flex;
}
.cir_content img{
    font-size: 0px;
    width: 10px;
    height: 9px;
    margin-right: 4px;
    margin-top: 8px;
}
.cir_content p{
    font-size: 20px;
    color: #3D3D3D;
}
.frequent{
    width: 100%;
    height: 878px;
    background: #FFF8F8;
    margin-top: 80px;
    padding-top: 88px;
    box-sizing: border-box;
}
.frequent_box{
    width: 730px;
    height: 590px;
    background: #FFFFFF;
    box-shadow: 0px 0px 20px 0px rgba(73,16,16,0.05);
    border-radius: 20px;
    margin-top: 60px;
    padding: 30px;
    box-sizing: border-box;
}
.frequent_box .ques{
    display: flex;
    align-items: center;
    height: 24px;
}
.ques img{
    margin-right: 10px;
}
.ques span{
    font-weight: 500;
    font-size: 20px;
    color: #333333;
}
.frequent_box .answer{
    margin-top: 20px;
    margin-bottom: 30px;
    background: #FAFAFA;
    border-radius: 10px;
    padding: 20px 0;
}
.answer ul{
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding-left: 38px;
}
.answer ul li{
    font-size: 16px;
    line-height: 24px;
    color: #333333;
    box-sizing: border-box;
}
.answer ul li::marker{
    width: 8px;
    height: 8px;
    color: #B51C22;
}
.frequent_box .hot_line{
    display: flex;
    align-items: center;
    height: 24px;
}
.hot_line .line{
    width: 130px;
    height: 2px;
    border-radius: 1px;
}
.hot_line .line_font{
    font-weight: 400;
    font-size: 16px;
    margin: 0 12px;
    color: #666666;
}
.hot_line .line.line_left{
    background: linear-gradient( 270deg, #999999 2%, rgba(102,102,102,0) 80%, rgba(102,102,102,0) 100%);
}
.hot_line .line.line_right{
    background: linear-gradient( 90deg, #999999 2%, rgba(102,102,102,0) 80%, rgba(102,102,102,0) 100%);
}

.swiper-container{
    width: 1110px;
    height: 320px;
    overflow: hidden;
    margin-top: 50px;
}
.swiper-wrapper{
    width: 100%;
}
.swiper-wrapper .swiper-slide{
    width: 350px;
    height: 320px;
}
.swiper-pagination{
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
    bottom: -24px;
    left: 50%;
    transform: translateX(-50%);
}
.swiper-container .swiper-pagination-bullet-active{
    background-color: #FF4032;
}
.swiper-container .swiper-pagination-bullet{
    background-color: #FF4032;
}
.footer{
    background: #FFF8F8;
    width: 100%;
    margin-top: 50px;
}
.footer .foot_tit{
    width: 100%;
    height: 121px;
    background: url(/Images/zysx/bg.png) no-repeat;
    font-weight: 700;
    font-size: 42px;
    color: #FFFFFF;
    line-height: 121px;
    text-align: center;
}
.foot_cont_box{
    width: 100%;
    height: 356px;
    margin-top: 50px;
}
.foot_cont_box .foot_cont{
    width: 1200px;
    margin: 0 auto;
}
.foot_cont .about{
    display: flex;
    align-items: center;
}
.about>span{
    font-weight: 500;
    font-size: 22px;
    color: #333333;
    line-height: 32px;
    margin-right: 80px;
}
.about .links a{
    font-size: 20px;
    color: #333333;
    margin-right: 30px;
    cursor: initial;
}
.down_app{
    margin-top: 40px;
}
.down_app .download{
    display: flex;
    flex-direction: column;
}
.down_app .download img{
    margin-bottom: 8px;
    width: 120px;
}
.copyright{
    margin-top: 50px;
    width: 100%;
    text-align: center;
    font-weight: 400;
    font-size: 14px;
    color: #A5A5A5;
}