*{padding: 0;margin: 0;}
html,body{width: 100%;height: 100%;user-select: none;}
.all{
    width: 100%;
    /* height: 100%; */
    min-width: 1592px;
    background-image: url('../image/bc.png');
}
.all .head{
    max-width:100%;
    min-width: 1592px;
    width: 100%;
}
.all .head img{
    width:100%;
    vertical-align: middle;
}
.m1{
    margin-top: 61px;
}
.m1 .m1-head{
    /* margin: 0 170px 0 158px; */
    width: 1592px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
}
.m1-head div{
    width: 256px;
    height: 95px;
    font-family: PingFang SC;
    font-weight: bold;
    font-size: 31px;
    color: #333333;
    line-height: 31px;
    text-align: center;
    line-height: 95px;
    background-image: url('../image/center.png');
    background-repeat: no-repeat;
    cursor: pointer;
}
.m1-head div:nth-child(1){
    background-image: url('../image/left.png');
}
.m1-head div:last-child{
    background-image: url('../image/right.png');
}
.m1 .m1-main{
    width: 1592px;
    margin: 0 auto;
    margin-top: 91px;
    display: flex;
    justify-content: space-between;
}
.m1-main>div{
    background-image: url('../image/m1-bc.png');
    background-repeat: no-repeat;
    width: 766px;
    height: 536px;
    padding-top: 28px;
    box-sizing: border-box;
    
}
.m1-main .title{
    /* margin-top: 28px; */
    margin: 0 auto;
    width: 472px;
    height: 98px;
    display: block;
}
.m1-main>div:nth-child(1)>div{
    display: flex;
    padding: 0 167px;
}
.m1-main>div:nth-child(1)>div img{
    width: 44px;
    height: 44px;
}
.m1-main>div:nth-child(1)>div span{
    font-family: PingFang SC;
    font-weight: 500;
    font-size: 30px;
    color: #333333;
    margin-left: 20px;
}

.m1-main>div:nth-child(2)>div{
    display: flex;
    padding: 0 216px 0 185px;
}
.m1-main>div:nth-child(2)>div img{
    width: 44px;
    height: 44px;
}
.m1-main>div:nth-child(2)>div span{
    font-family: PingFang SC;
    font-weight: 500;
    font-size: 30px;
    color: #333333;
    margin-left: 20px;
}
.m2{
    margin-top:78px ;
}
.m2-title{
    width: 1342px;
    height: 72px;
    margin: 0 auto;
}
.m2-title img{
    width: 100%;
    height: 100%;
}
.m2-main{
    width: 1592px;
    height: 818px;
    background-image: url('../image/m2-main-bc.png');
    background-repeat: no-repeat;
    margin: 0 auto;
    margin-top: 60px;
    padding-top: 57px;
    box-sizing: border-box;
}
.m2-main-tab{
    width: 1500px;
    height: 553px;
    margin: 0 auto;
    border: 1px solid #333;
    display: flex;
}
.m2-main-tab>div>div{
    height: 49px;
    text-align: center;
    border-bottom: 1px solid #333;
    line-height: 49px;
    font-family: PingFang SC;
    /* font-weight: bold; */
    font-size: 30px;
    color: #333333;
}
.m2-main-tab>div>div:last-child{
    height: 52px;
    line-height: 52px;
    border-bottom: none;
}
.m2-main-tab>div:nth-child(1){
    width: 200px;
    border-right: 1px solid #333;
}
.m2-main-tab>div:nth-child(2){
    width: 549px;
    border-right: 1px solid #333;
}
.m2-main-tab>div:nth-child(3){
    width: 189px;
    border-right: 1px solid #333;
}
.m2-main-tab>div:nth-child(4){
    width: 159px;
    border-right: 1px solid #333;
}
.m2-main-tab>div:nth-child(5){
    width: 399px;
    /* border-right: 1px solid #333; */
}
.m2-main-bottom{
   text-align: center;
   margin-top: 37px;
   font-family: PingFang SC;
    font-weight: 400;
    font-size: 30px;
    color: #333333;
    line-height: 48px;
}
.m3{
    width: 1592px;
    height: 854px;
    margin: 0 auto;
    margin-top: 66px;
    position: relative;
}
.m3 .unit{
    width: 505px;
    height: 38px;
    position: absolute;
    left: 545px;
    bottom: 197px;
    /* background-color:red; */
}
.m3 .url{
    width: 413px;
    height: 32px;
    position: absolute;
    left: 667px;
    bottom: 97px;
    /* background-color:red; */
}
.m3 img{
    width: 100%;
    height: 100%;
    vertical-align: middle;
}
.m3-bottom{
    width: 100%;
    min-width: 1592px;
    margin-top: 80px;
    /* margin: 0 auto; */
}
.m3-bottom img{
    width: 100%;
}
.m4{
    margin-top: 79px;
}
.m4-title{
    width: 1342px;
    height: 72px;
    margin: 0 auto;
}
.m4-title img{
    width: 100%;
    height: 100%;
}
.m4-main{
    background-image: url('../image/m4-main-bc.png');
    background-repeat: no-repeat;
    width: 1592px;
    height: 1484px;
    margin: 0 auto;
    margin-top: 50px;
    display: flex;
    flex-wrap: wrap;
    padding: 60px 48px;
    box-sizing: border-box;
}


.m4-bottom{
    width: 100%;
    min-width: 1592px;
    margin-top: 80px;
    /* margin: 0 auto; */
}
.m4-bottom img{
    width: 100%;
}
.m5{
    margin-top: 80px;
    display: flex;
    padding: 0 203px 0 195px;
    box-sizing: border-box;
}
.m5>div:nth-child(1){
    width: 188px;
    text-align: center;
}
.m5>div:nth-child(1)>span{
    font-family: PingFang SC;
    font-weight: bold;
    font-size: 20px;
    color: #333333;
    display: block;
    margin-top: 16px;
}
.m5>div:nth-child(2){
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 36px 0 0 229px;
    box-sizing: border-box;
    font-family: PingFang SC;
    font-weight: 400;
    font-size: 30px;
    color: #333333;
}
.m5>div:nth-child(2)>span:nth-child(2){
    margin-top: 27px;
    line-height: 30px;
}
.m5>div:nth-child(3){
    width: 188px;
    text-align: center;
}
.m5>div:nth-child(3)>span{
    font-family: PingFang SC;
    font-weight: bold;
    font-size: 20px;
    color: #333333;
    display: block;
    margin-top: 16px;
}

.m5-bottom{
    width: 1419px;
    /* min-width: 1592px; */
    margin: 0 auto;
    margin-top: 43px;
    /* margin: 0 auto; */
}
.m5-bottom img{
    width: 100%;
}
.submit{
    width: 472px;
    height: 80px;
    background-image: url('../image/sumbit.png');
    background-repeat: no-repeat;
    margin: 0 auto;
    margin-top: 91px;
    font-family: Alibaba PuHuiTi;
    font-weight: 800;
    font-size: 36px;
    color: #F3F3F3;
    text-align: center;
    line-height: 80px;
    cursor: pointer;
}