*{
    padding: 0;
    margin: 0;
}
header{
    height: 80px;
    line-height: 80px;
    background-color: #ffffff;
}
header>div{
    margin: 0 auto;
    position: relative;
    width: 1200px;
}
header img{
    position: absolute;
    left: 0;
    top: 17px;
    width: 220px;

}
header>div>div{
    position: absolute;
    right: 0;
    top: 0;
    line-height: 80px;
}
header>div>div>a{
    display: inline-block;
line-height: 80px;
vertical-align: middle;
font-size: 24px;
color: #333;
margin-right: 50px;
margin-left: 50px;
text-decoration: none;
cursor: pointer;
}
header>div>div>a:hover{
    color: rgba(0,168,255,1);
}
.main1{
    width: 100%;
    height: 450px;
    background: url(../img/k_course3.png) no-repeat;
    background-size: 100% 450px;
}
.main1>div{
    position: relative;
    margin: 0 auto;
    width: 1200px;
}
.main1_case1{
    padding-top: 63px;
    margin-left: 40px;
    color: #fff
}
.main1_case1>div{
    margin-bottom: 20px;
    letter-spacing: 5px;
    font-size: 72px;
    line-height: 72px;
    font-weight: 600;
    text-shadow: 0 4px 0 #0031F6;
}
.main1_case1>p{
    padding-top: 20px;
    position: relative;
    padding-left: 32px;
    line-height: 24px;
    font-size: 24px;
}
.main1_case1>p::after{
    content: '';
    position: absolute;
    left: 0;
    top: 26px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #FFD91A;
}
.main1_case2{
    padding-bottom: 20px;
    position: absolute;
    right: 36px;
    top: 78px;
    width: 270px;
    min-height: 288px;
    border-radius: 10px;
    background-color: #fff;
    overflow: hidden;
    box-shadow: 0 3px 6px rgb(0, 0, 0,03);
}
.main1_case2_title{
    padding-top: 20px;
    margin-bottom: 20px;
    height: 78px;
    line-height: 24px;
    text-align: center;
    background-color: #FFAC56;
    color: #fff;
    font-size: 24px;
    font-weight: 600;
    text-shadow: 0 2px 0 rgba(0,0,0,0.16);
}
.main1_case2_title>p{
    margin-bottom: 10px;
}
.main1_case2_input{
    margin-bottom: 10px;
    margin-left: 25px;
    position: relative;
}
.main1_case2_input input{
    padding-left: 46px;
    width: 174px;
    border: 1px solid #EBEBEB;
    line-height: 36px;
    height: 36px;
}
.main1_case2_input span{
    position: absolute;
    left: 0;
    top: 4px;
    display: inline-block;
    width: 36px;
    height: 30px;
    border-right: 1px solid #F1F1F1;
}


.main1_case2_span1{
    background: url(../img/k_course4.png) no-repeat center center;
    background-size: 20px 20px;
}
.main1_case2_span2{
    background: url(../img/k_course5.png) no-repeat center center;
    background-size: 16px 24px;
}
.main1_case2_input1{
    margin-bottom: 10px;
    margin-left: 25px;
}
.main1_case2_input1 input{
    vertical-align: middle;
    padding-left: 15px;
    width: 100px;
    border: 1px solid #EBEBEB;
    line-height: 24px;
    height: 24px;
}
.main1_case2_input1 button{
    vertical-align: middle;
    margin-left: 10px;
    padding-left: 10px;
    width: 92px;
    padding-right: 10px;
    background-color: #fff;
    border: 1px solid #EBEBEB;
    line-height: 26px;
    height: 26px;
    font-size: 14px;
    color: #666;
    cursor: pointer;
}
.main1_case2_input1 button:hover{
    color: royalblue;
}
.main1_case2_btn{
    margin: 10px auto 0;
    width: 220px;
    letter-spacing: 3px;
    line-height: 48px;
    font-size: 20px;
    color: #fff;
    background-color: #FFAC56;
    border-radius: 5px;
    text-align: center;
    box-shadow: 0 3px 6px rgba(0,0,0,0.16);
    cursor: pointer;
}
.main1_case2_btn:hover{
    background-color: #f5a450;
}
.main1_case2_btn:active{
    background-color: #d58f48;
}

.main2 >div{
    padding-bottom: 50px;
    margin: 0 auto;
    width: 1200px;
}
.main2 >div>h4{
    padding-top: 50px;
    margin-bottom: 20px;
    font-size: 48px;
    line-height: 48px;
    text-align: center;
    color: #3A50F5;
}
.main2 >div>h5{
    margin-bottom: 40px;
    text-align: center;
    line-height: 30px;
    font-size: 30px;
    color: #666666;
}
.main2 >div>hr{
    margin-bottom: 40px;
    border: none;
    border-bottom: 1px solid #DBDBDB;
}
.main2_list1{
    margin-left: 25px;
    width: 1150px;
    display: flex;

}
.main2_list1>div{
    width: 288px;
    text-align: center;
    font-size: 24px;
    color: #666666;
}
.main2_list1>div>p{
    margin-top: 40px;
}
.main2_list2{
    padding-top: 40px;
    margin: 0 auto;
    display: flex;
    width: 860px;
}
.main2_list2>div{
    flex:1;
    text-align: center;
    font-size: 24px;
    color: #666666;
}
.main2_list2>div>p{
       margin-top: 40px;
}
.main3{
    width: 100%;
    background-color: #3A50F5;
    height: 628px;
}
.main3>div{
    margin: 0 auto;
    width: 1200px;
    color: #fff;
}
.main3>div>h4{
    padding-top: 60px;
    margin-bottom: 20px;
    text-align: center;
    line-height: 48px;
    font-size: 48px;
    font-weight: 600;
}
.main3>div>h5{
    margin-bottom: 50px;
    font-size: 30px;
    text-align: center;
    font-weight: 400;
}
.main3>div>div{
    position: relative;
}
.main3_main1{
    margin-left: 17px;
    padding:37px 32px;
    border-radius: 50px;
    width: 36px;
    letter-spacing: 2px;
    font-size: 36px;
    font-weight: 600;
    color: #3A50F5;
    background-color: #FFDA44;
}
.main3_main2{
    position: absolute;
    left: 157px;
    top: 40px;
    font-size: 0;
}
.main3_main2>div{
    position: relative;
    margin-bottom: 44px;
}
.main3_main2>div::after{
    content: '';
    position: absolute;
    left: -40px;
    top: 50%;
    transform: translate(0,-50%);
    width: 30px;
    height: 54px;
    background: url(../img/k_course13.png) no-repeat;
    background-size: 30px;
}
.main3_main2_case1>span{
    display: inline-block;
    vertical-align: middle;
    line-height: 24px;
    font-size: 24px;
    text-align: center;
}

.main3_main2_case1>.main3_span1{
    color: #3A50F5;
    font-size: 24px;
    padding: 20px 38px;
    background: #FFDA44;
    border-radius: 50px;
}
.main3_main2_case1>.main3_span2{
    position: relative;
    top: -8px;
    color:#FFDA44 ;
    vertical-align: center;
}
.main3_main2_case1>.main3_span3{
    font-size: 18px;
    padding: 11px 24px;
    border: 2px solid #FFDA44;
    color: #FFDA44;
    border-radius: 50px;
}
.main3_main2_case1 .main3_span3_1{
    background-color: #FFDA44;color: #3A50F5;font-weight: 600;
}



.main4 >div{
    padding-bottom: 50px;
    margin: 0 auto;
    width: 1200px;
}
.main4 >div>h4{
    padding-top: 50px;
    margin-bottom: 20px;
    font-size: 48px;
    line-height: 48px;
    text-align: center;
    color: #3A50F5;
}
.main4 >div>h5{
    margin-bottom: 40px;
    text-align: center;
    line-height: 30px;
    font-size: 30px;
    color: #666666;
}
.main4 >div>hr{
    margin-bottom: 40px;
    border: none;
    border-bottom: 1px solid #DBDBDB;
}
.main4_list{
    margin: 0 auto;
    width: 1160px;
    display: flex;
    font-size: 0 ;
    flex-wrap: wrap;
}
.main4_list>div{
    margin-bottom: 40px;
    width: 356px;
    text-align: center;
}
.main4_list img{
    width: 240px;
    /* height: 320px; */
}




.main5{
    width: 100%;
    padding-bottom: 60px;
    background-color: #3A50F5;
}
.main5 .main5_1{
    position: relative;
    margin: 0 auto;
    width: 1200px;
    color: #fff;
}
.main5>div>h4{
    padding-top: 60px;
    margin-bottom: 20px;
    letter-spacing: 4px;
    text-align: center;
    line-height: 48px;
    font-size: 48px;
    font-weight: 600;
}
.main5>div>h5{
    margin-bottom: 50px;
    letter-spacing: 4px;
    font-size: 30px;
    text-align: center;
    font-weight: 400;
}
.main5>div>h5>strong{
    color:#FFEE00 ;
}
.main5>div>p{
    width: 530px;
    text-align: center;
    /* height: 816px; */
    font-size: 0;
}
.main5>div>p img{
text-align: center;
width: 100%;
height: 100%;
}
.main6{
    position: absolute;
    top: 260px;
    right: 0;
    background-color: #3A50F5;
    color: #fff;

}
.main6>div{
    width: 600px;
}
.main6>div>h4{
    padding-top: 40px;
    margin-bottom: 40px;
    font-size: 48px;
    line-height: 48px;
    text-align: center;
    /* color: #656565; */
}
.main6>div>div{
    margin-bottom: 20px;
    font-size: 24px;
    /* color: #999; */
}
.main6>div>div input{
    /* margin-left: 20px; */
    font-size: 16px;
    color: 333;
    border: 1px solid #D2D2D2;
    padding-left: 10px;
    line-height: 54px;
    width: 350px;
    border-radius: 6px;
}
.main6_name {
    /* margin-left: 10px; */
    letter-spacing: 11px;
}
.main6_name input{
       margin-left: 10px;
}
.main6_phone input{
     margin-left: 12px;
    letter-spacing: 1px;
    
}

.main6_check{
       /* margin-left: 10px; */
    letter-spacing: 11px;
}
.main6_check input{
      margin-left: -7px;
}
.main6>div .main6_check input{
    width: 180px;
}
.main6 .main6_btn{
    margin: 40px auto 0;
    width: 260px;
    line-height: 56px;
    font-weight: 600;
    color:   #2E44EB;
    font-size: 24px;
    text-align: center;
    background-color: #fff;
    border-radius: 6px;
    box-shadow: 0 4px 8px #2E44EB;
    cursor: pointer;
}
.main6 .main6_btn:active{
    background-color: #999;
}
/* .main7{
    padding: 20px 0;
    width: 100%;
    background-color: #000;
    color: #fff;
}
.main7>div{
    margin: 0 auto;
    width: 1200px;
    font-size: 16px;
    text-align: center;
    letter-spacing: 2px;
}
.main7>div a{
    color: #fff;
    text-decoration: none;
} */
.main6 .main6_check .main6_check_btn{
    border: 1px solid #ddd;
    background-color: #fff;
    color: #333;
    width: 120px;
    text-align: center;
    cursor: pointer;
    outline: none;
}
.main6 .main6_check .main6_check_btn:hover{
    border-color: royalblue;
}
.main6 .main6_check .main6_check_btn:active{
    background-color: #999;
    color: #fff;
}
/* .main8{
    position: fixed;
    bottom: 0;
    height: 142px;
    width: 100%;
    background: url(../img/k_course21.png) no-repeat;
    background-size: 100% 142px;
    z-index: 10;
}
.main8>div{
    margin:0 auto;
    width: 1190px;
}
.main8>div{
    font-size: 52px;
    padding-left: 10px;
    font-weight: 600;
    color:#fff ;
    letter-spacing: 2px;
    line-height: 142px;
    text-shadow: 2px 4px 0 #0D28E2;
}
.main8>div input{
    position: relative;
    top: -13px;
    padding-left: 20px;
    width: 190px;
    line-height: 44px;
    font-size: 18px;
    border: 2px solid #7A89FF;
    outline: none;
    
}
.main8 .main8_btn{
    position: relative;
    padding-left: 0;
    width: 200px;
    text-align: center;
    line-height: 48px;
    color: #3A50F5;
    font-weight: 600;
    font-size: 24px;
    background-color: #FFDA44;
    border-radius: 4px;
    letter-spacing: 2px;
    cursor: pointer;
}
.main8 .main8_btn:hover{
    background-color: #ecc21a;
}
.main8 .main8_btn:active{
    background-color: #bf9900;
} */







        /*推广页底部统一修改*/
            li{
                list-style: none;
            }
            a{
                text-decoration: none;
            }
			.footer {padding-top: 30px; width:100%;height:300px;background:#fff; }
			.footer .footer-inner {width:1200px;margin:0 auto;padding:25px 0 0 0;position: relative;}
			.footer .footer-left {width:25%;text-align:center;border-right:1px solid rgba(220,223,230,1);}
			.footer .footer-left a {width:240px;height:64px;}
			.footer .footer-left a img {width:70%;}
			.footer .footer-left span {display:block;font-size:18px;color:#606266;text-align:center;margin:0 auto;padding-top:8px;padding-bottom:22px;letter-spacing:.145em;}
			.footer .footer-left em {display:block;font-size:28px;font-family:DIN;font-weight:400;color:rgba(64,158,255,1);padding-bottom:8px;}
			.footer .footer-left i {display:block;font-size:14px;font-family:Source Han Sans CN;font-weight:400;color:rgba(192,196,204,1);}
			.footer .footer-right {position: absolute;top: 0;right: 0;    width:75%;}
			.footer-right .bottom1 {padding:0 40px 0 40px;}
			.footer-right .bottom1 .title {font-size:18px;font-family:Source Han Sans CN;font-weight:400;color:rgba(96,98,102,1);padding-bottom:10px;}
			.footer-right .bottom1 ul {width:820px;display:flex;flex-direction:row;flex-wrap:wrap;margin:0 auto 0;}
			.footer-right .bottom1 ul li {width:20%;margin:0 auto;padding-bottom:16px;text-align: left;}
			.footer-right .bottom1 ul li:last-child {padding-bottom:0;}
			.footer-right .bottom1 ul li a {font-size:14px;font-family:Source Han Sans CN;font-weight:400;color:rgba(144,147,153,1);}
			.footer-right .bottom2 {padding:0 40px 0 40px;}
			.footer-right .bottom2 .title {font-size:18px;font-family:Source Han Sans CN;font-weight:400;color:rgba(96,98,102,1);padding-top:10px;padding-bottom:14px;}
			.footer-right .bottom2 ul {width:820px;display:flex;flex-direction:row;flex-wrap:wrap;margin:0 auto 0;}
			.footer-right .bottom2 ul li {width:18%;margin:0 5px;padding-bottom:16px;text-align: left;}
			.footer-right .bottom2 ul li:last-child {padding-bottom:0;}
			.footer-right .bottom2 ul li a {font-size:14px;font-family:Source Han Sans CN;font-weight:400;color:rgba(144,147,153,1);}
			.footer-right .bottom {padding:40px 0 0 0;width:35pc;color:rgba(144,147,153,1);letter-spacing:.1em;text-align:center;font-size:14px;line-height:24px;}
			.footer-right .bottom a{color:rgba(144,147,153,1) ;}