.list_right{
    width: 920px;background: white;
    float: right;

}

.list_right_nav{margin-bottom: 30px;

}
.list_right_nav span{
    float: left; font-size: 20px;border-bottom: 1px solid #ed5908; padding-bottom: 5px;}
.list_right_nav p{ font-size: 16px; border-bottom: 1px solid #cccccc;
    padding-bottom: 10px;
    text-align: right;
    display: block;
}
.clearfloat{clear:both;font-size: 1px;line-height: 0px;height:0px;} 


.ystd{
    width: 920px; height: 360px; border-bottom: 1px solid #c9c9ca;
    padding-bottom: 40px; margin-bottom: 50px;
}

.ystd_left{
    width: 250px; height: 345px; border: 2px solid #eeeeee; float: left; margin-right: 30px;
}
.ystd_left img{
    width: 250px; border-bottom: 2px solid #eeeeee; height:295px;
}
.ystd_left p{
    text-align: center; font-size: 25px;
    line-height: 50px;; 
}

.ystd_right{ float: left; width: 636px; height: 350px; position: relative;;;;;
}
.ystd_right h1{
    font-size: 30px; color: #ed5908;
    line-height: 66px;; 
}
.ystd_1{
    font-size: 20px; line-height: 60px;
}
.ystd_1 span{
    margin-right: 60px;
}
.ystd_2{
    font-size: 20px;
    line-height: 44px;;
}
.ystd_3{
    font-size: 17px;
    line-height: 30px;;
}
.ystd_btn{position: absolute;bottom: 16px;;;;;
    
}
.ystd_btn a{
    font-size: 20px; color: white; padding: 8px 40px; 
    border-radius: 7px; background: #ed5908;
    margin-right: 20px;;
}