*{margin:0;padding:0;box-sizing:border-box;}
.main{}
.main_block{display:flex;width:100%;height:100vh;}
.main_left{width:40vw;max-width:500px;background-color:#cde0ff;}
.show_box{}
.banner{}
.banner_ul{text-align:center;}
.banner_ul li{}
.main_con{width:100%;}
.con_img{text-align:center;margin:180px 0;width:79%;}
.con_img img{width:300px;}
.con_butt{color:#FFF;font-size:20px;line-height:1;padding:20px 78px;margin:120px 3px 0px;cursor:pointer;font-weight:bold;border-radius:5px;background-color:#2482fe;display:inline-block;text-decoration:none;}
.main_right{}