.l{
    float: left;
}
.m1{
    width:100%;max-width:1920px;height:723px;
}
.m1 h2{
    font-size:28px; text-align: center;height:28px;color:#333333;color:rgba(51,51,51,1);line-height: 28px;
    margin-top: 60px;
}
.m1 div{
    margin-top: 56px;
}
.m1 div img{
    width: 715px;
    height: 499px;
}
.banner{
    width:100%;max-width: 1920px;margin-top:71px;height:526px;
}
.banner img{
    width:100%;
    height: 526px;
}
.wrap{
    width:1200px;margin:0 auto;
}
.m2{
    height:525px;width:100%;max-width:1920px;padding-top:60px;background:rgba(246,248,251,1);
}
.m2 h2{
    font-size:28px;
    font-family:Microsoft YaHei;
    font-weight:400;
    color:rgba(52,52,52,1);
    line-height:47px;
    text-align: center;
}
.m1 img,.m3 img,.m4 img{
    margin:0 auto;display:block;
}
.line{
    width:140px;height:2px;margin:17px auto 0;
}
.m2-content{
    width: 1200;
    margin: 0 auto;
    margin-top: 64px;
}
.m2-1{
    width: 1200px;
    height: 343px;
}
.m3 .wrap .line{
    background:#fff;
}
.m3{
    height: 598px;
    width: 100%;
    padding-top: 40px;
    box-sizing: border-box;
}
.m3 h2{
    width: 100%;
    text-align: center;
    font-size:28px;
    font-family:Microsoft YaHei;
    font-weight:400;
    color:rgba(52,52,52,1);
    line-height:47px;
}
.m3 .m3-content{
    margin-top: 60px;
}
.m3 img{
    width: 50%;
    height: 430px;
    float: left;
}
.m3 .m3-list{
    width: 50%;
    height: 430px;
    background:rgba(248,247,247,1);
    float: left;
    padding-left: 79px;
    box-sizing: border-box;
}
.m3 .m3-list .p1{
    font-size:18px;
    font-family:Comfortaa;
    font-weight:400;
    color:rgba(0,0,0,1);
    margin:102px 0 12px;
}
.m3 .m3-list .p2{
    font-size:20px;
    font-family:Microsoft YaHei;
    font-weight:400;
    color:rgba(0,0,0,1);
}
.m3 .m3-list .p3{
    width:400px;
    height:136px;
    font-size:14px;
    font-family:Microsoft YaHei;
    font-weight:400;
    color:rgba(51,51,51,1);
    margin: 45px 0 98px;
}
.m4{
    height: 879px;
    padding-top:62px;
}
.m4 .wrap h2{
    font-size:28px;
    font-family:Microsoft YaHei;
    font-weight:400;
    color:rgba(52,52,52,1);
    text-align: center;
    line-height: 28px;
}
.m4-content{
    width: 100%;
    height: 100%;
}
.m4-1{
    width: 406px;
    height: 727px;
    float: left;
}
.m4-lists{
    margin-top: 179px;
    width: 744px;
    height: 727px;
    float: left;
    margin-left: 50px;
}
.m4-list{
    width:170px;
    height:154px;
    box-shadow:0px 0px 6px 0px rgba(127,127,127,0.14);
    border-radius:10px;
    margin-right: 85px;
    float: left;
    margin-bottom: 85px;
    text-align: center;
    padding: 24px 0 30px;
    box-sizing: border-box;
}
.m4-list:nth-of-type(3n){
    margin-right: 0;
}
.m4-list p{
    margin-top: 26px;
}



.m5{
    width:100%;
    height:694px;
    background:rgba(246,248,251,1);
    padding-top: 59px;
    box-sizing: border-box;
}
.m5 .wrap h2{
    float: left;
    width: 100%;
    text-align: center;
    font-size:28px;
    font-family:Microsoft YaHei;
    font-weight:400;
    color:rgba(52,52,52,1);
    line-height:47px;
    margin-bottom: 45px;
}
.m5 .wrap .m5-content{
    width: 1018px;
    height: 502px;
    margin: 0 auto;
}
.m5-1{
    width: 100%;
    height: 100%;
}
.m6{
    height: 662px;
    width: 100%;
    background: #fff;
}
.m6 h2{
    font-size:28px;
    font-family:Microsoft YaHei;
    font-weight:400;
    color:rgba(52,52,52,1);
    line-height:47px;
    text-align: center;
    margin: 80px 0 50px;
}
.m6 .wrap .m6-1{
    width: 1102px;
    height: 504px;
}

.m7{
    width: 100%;
    height: 526px;
}
.m7 h2{
    font-size:28px;
    font-family:Microsoft YaHei;
    font-weight:400;
    color:rgba(52,52,52,1);
    line-height:47px;
    text-align: center;
    margin-top: 80px;
}
.m7-lists{
    width: 100%;
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
    position: relative;
}
.m7 .wrap .text{
    margin-top: 20px;
    font-size:16px;
    font-family:Microsoft YaHei;
    font-weight:300;
    color:rgba(102,102,102,1);
    line-height:24px;
    text-align: center;
    padding:0 41px;
    box-sizing: border-box;
}
.m7-hover{
    display: none;
    width:280px;
    height:242px;
    background:rgba(60,58,93,1);
    opacity:0.9;
    position: absolute;
    bottom: 0;
    z-index: 10;
}
.m7-hover-1{
    font-size:20px;
    font-family:Microsoft YaHei;
    font-weight:bold;
    color:rgba(255,255,255,1);
    line-height:20px;
    text-align: center;
    margin: 40px 0 19px;
}
.m7-hover-content{
    font-size:14px;
    font-family:Microsoft YaHei;
    font-weight:300;
    color:rgba(255,255,255,1);
    line-height:22px;
    padding: 0 21px 0 20px;
    box-sizing: border-box;
}