.top_menu li.menu_active:after{
    background: #FC83B8;
}
.main_bg{
    background:url(../../img/frontend/study/studyrbg.png) #F6F3F7; 
    background-repeat:no-repeat;
    background-size: 100% 100%;
}
.banner-text{
    margin-top:50px;
}
.module{
    background: #FFFFFF;
    border-radius: 20px;
    padding: 32px 0;
    text-align: center;
    color: #444444;
    margin-top: 72px;
}
.module .title{
    font-size: 36px;
    text-align: center;
    margin-bottom:15px;
}
.module .desc{
    font-size: 26px;
}
.main{
    background:url(../../img/frontend/study/studybg.png) #F6F3F7; 
    background-repeat:no-repeat;
    background-position: right bottom;
    background-size: 25%;
    padding-bottom:260px;
}
.content{
    overflow: hidden;
}
.content .item{
    width:563px;
    height: 308px;
    padding: 82px 40px 40px 240px;
    background-repeat:no-repeat;
    color:#fff;
    float:left;
}
.content .item .title{
    font-size: 36px;
    margin-bottom:30px;
    margin-top: 35px;
}
.content .item  .desc{
    font-size: 18px;
    letter-spacing: 1px;
    line-height: 20px;
}
.content .item:nth-child(1){
    background:url(../../img/frontend/study/kexuezhiguang.png); 
    background-size: 100% 100%;
}
.content .item:nth-child(2){
    background:url(../../img/frontend/study/zhilidsad.png); 
    background-size: 100% 100%;
    float:right;
    height: 260px;
    margin-top: 49px;
    padding-top: 29px;
}
.content .item:nth-child(3){
    background:url(../../img/frontend/study/shehuiq.png);
    background-size: 100% 100%; 
    height: 260px;
    margin-top: 49px;
    padding-top: 29px;
}
.content .item:nth-child(4){
    background:url(../../img/frontend/study/anquan2.png); 
    background-size: 100% 100%;
    float:right;
}