.lf{float:left;}
.rt{float:right;}
.clear{clear:both;}
.clearfloat:after{display:block;clear:both;content:"";visibility:hidden;height:0}
.clearfloat{zoom:1}
.superiority{
    width:1200px;
    margin:0 auto;
    padding:55px 0 90px;
}
.superiority h1{
    font-size: 18px;
    color:#434343;
    margin-bottom:9px;
    font-weight: normal;
}
.superiority h2{
    font-size: 15px;
    color:#707070;
    padding-bottom:5px;
    font-weight: normal;
    border-bottom:1px solid #DCDCDC;
    margin-bottom:25px;
}
.superiority_main_left{
    width:20.5%;
}
.superiority_main_left li{
    height:45px;
    line-height: 45px;
    /*padding-left:20px;*/
    border-bottom:1px solid #DCDCDC;
    /*position: relative;*/
}
.superiority_main_left li a{
    font-size: 14px;
    color:#707070;
}
.superiority_main_left li b{
    display: inline-block;
    width:3px;
    height:15px;
    background: #288efd;
    margin:0 14px 0 2px;
    opacity: 0;
}
.superiority_main .lf li:hover a,.superiority_main .lf li.show a{
    color:#288efd;
}
.superiority_main .lf li:hover b,.superiority_main .lf li.show b{
    opacity: 1;
}
.superiority_right{
    width:75%;
    padding:55px 50px 78px 50px;
    box-shadow: 0px 2px 10px 5px #ccc;
}
.superiority_right_top{
    border-bottom:1px solid #DCDCDC;
    padding-bottom:18px;
    margin-bottom:65px;
}
.superiority_right_top span{
    font-size: 24px;
    color:#288efd;
    line-height: 33px;
    position: relative;
    padding-left:30px;
}
.superiority_right_top b{
    display: inline-block;
    width:3px;
    height:33px;
    background: #288efd;
    position: relative;
    bottom:-6px;
    left:0;
}
.main_change img{
    width:46.8%;
    height:238px;
}
.main_change ul{
    width:50%;
}
.main_change ul li{
    width:50%;
    padding-left:15px;
    background: url(youshi_logo.jpg) no-repeat 0 16px;
    font-size:14px;
    color:#494949;
    line-height: 40px;
}
.main_change ul li.special{
    width:100%;
}
@media screen and (max-width: 640px){
    .superiority{
        width:100%;
        margin:0 auto;
        padding:20px 8px 40px;
    }
    .superiority_main_left{
        width:100%;
    }
    .superiority_main_left li{
        padding-left:25%;
    }
    .superiority_right{
        width:100%;
        padding:55px 20px 78px 20px;
        box-shadow: 0 0 0 0 #ccc;
    }
    .main_change img{
        width:100%;
    }
    .main_change ul{
        width:100%;
    }
    .main_change ul li{
        width:100%;
        padding-left:50px;
        background: url(youshi_logo.jpg) no-repeat 20px 50%;
    }
}
/*ÓҲർº½*/
.qw_nav_right{
    position: fixed;
    top:20%;
    right:0;
    z-index: 999999;
}
.qw_nav_right>ul>li{
    width:65px;
    height:65px;
    text-align: center;
    border-bottom:1px solid #DEDEDE;
    background: #FDFDFD;
    padding-top:40px;
    position: relative;
}
.qw_nav_right>ul>li:last-child{
    border-bottom:none;
}
.qw_nav_right>ul{
    border:1px solid #DEDEDE;
}
.qw_nav_right>ul>li b{
    display: block;
    width:24px;
    height:24px;
    /*background: url(nav_right_qq.png) no-repeat 50% 50%;*/
    /*background: red;*/
    position: absolute;
    top:14px;
    left:20.5px;
}
.qw_nav_right>ul>li:hover{
     background: #496DA9;
 }
.qw_nav_right>ul>li:hover{
    color:#fff;
}
.qw_nav_right li ul{
    display: none;
    position: absolute;
    right:75px;
    top:0;
    border:1px solid #DEDEDE;
    width:225px;
}
.qw_nav_right li ul li{
    height:57px;
    line-height: 57px;
    border-bottom:1px solid #DEDEDE;
    background: #fff;
    font-size: 13px;
    color:#666666;
    position: relative;
    padding-left:47px;
    text-align: left;
}
.qw_nav_right li ul.special{
    width:100px;
}
.qw_nav_right li ul.special li{
    height:57px;
    line-height: 50px;
    position: relative;
}
.qw_nav_right li ul.special li img{
    position: absolute;
    top:0;
    right:100px;
}
.qw_nav_right li ul.special li img{
    width:100px;
    margin-left:20px;
    display: none;
}
.qw_nav_right li ul li:last-child{
    border-bottom:none;
}
.qw_nav_right li ul li b{
    position: absolute;
    top:16.5px;
    left:17px;
    display: block;
    width:24px;
    height:24px;
}
.qw_nav_right li div{
    display: none;
    position: absolute;
    top:16.5px;
    left:-12px;
    /*display: block;*/
    width:10px;
    height:15px;
    background: url(nav_right_jiantou.png) no-repeat;
}
@media screen and (max-width: 640px){
    .qw_nav_right{
        display: none;
    }
}