.app_cot_inner{
    width:900px;
    margin:0 auto;
}
.app_cot1 .app_cot_inner{
    height:520px;
    overflow:hidden;   
    background:url("https://i.huim.com/content_new/images/huimapp_01.png") no-repeat center top;
}
.app_cot1 .dowload_az,.app_cot1 .dowload_ios{
    display:block;
    width:160px;
    height:50px;
    background-image:url(about:blank);
    margin-bottom:23px;
    margin-left:691px;
}
.app_cot1 .app_cot_inner .dowload_az{
    margin-top:243px;
}

.app_cot2{
    background-color:#ffc53b;
}
.app_cot3{
    background-color:#ff5c86;
}
.app_cot4{
    background-color:#53bafb;
}
.app_cot5{
    background-color:#ffe466;
}
.app_cot6{
    background-color:#ff5757;
}
.app_cot7{
    background-color:#f5f5f5; 
}
.app_cot7 .app_cot_inner{
    height:400px;
    background:url("https://i.huim.com/content_new/images/huimapp_07.png") no-repeat center top;
}
.app_cot7 .dowload_az,.app_cot7 .dowload_ios{
    display:inline-block;
    width:230px;
    height:80px;
    background-image:url(about:blank);
    margin-top:125px;
    margin-right:50px;
}
.app_cot7 .app_cot_inner .dowload_az{
    margin-left:310px;
}
.app_cot7 .app_cot_inner .join{
    font-size:16px;
    color:#fff;
    padding-top:10px;
    padding-left:370px;
    font-family: Arial,"Microsoft YaHei";
}