.content{    width:100%;    background-color: #f4f4f4;}.content .top{    width:100%;    position: relative;    margin: 0 auto;    overflow: hidden;}.content .top .top_rp{    width:100%;    height:300px;    margin-bottom: 40px;}.content .top .top_img{    position: absolute;    bottom: 15px;    left: 48.7%;}.content .content_text{    width:1200px;    position: relative;    margin: 0 auto;    z-index: 10;}.content_text .left_sort{    width:260px;    margin-right: 30px;    float: left;}.content_text .left_sort ul li:first-child{    margin-top: 0px;}.content_text .left_sort ul li{    margin-top: 10px;}.content_text .left_sort ul li div{    height:50px;    padding-left: 30px;    line-height: 50px;    cursor: pointer;    font-size: 16px;    border-radius: 5px;    background-color: #fff;    color: #4d4d4d;}.content_text .left_sort ul li div:hover{    background-color: #e7444a;    color: #fff;}.content_text .left_sort ul li div i{    color: #fff;}.content_text .left_sort ul li div .icon-icondayu{    float: right;    margin-right: 10px;}.content_text .right_sort{    width:910px;    float: left;}.content_text .right_text{    background-color: #fff;    line-height: 36px;    padding: 130px 70px 170px 80px;    text-align: justify;}.right_div{    margin-bottom: 60px;    display: none;}.ccccc{    display: block;}.tell_me{    margin-top: 10px;    width:910px;    height:372px;    border-top: 5px solid #e7444a;    background-color: #fff;}.tell_xx{    width:140px;    height:40px;    border-radius: 20px;    background-color: #e7444a;    text-align: center;    color: #fff;    font-size: 16px;    position: relative;    margin: 20px auto 0;    line-height: 40px;}.tell_sort{    border-top: 1px solid #f1f1f1;    width:762px;    position: relative;    margin: 40px auto 0;}.tell_sort table{    margin-top: 46px;    width:762px;}.tell_sort table tr td{    width:290px;    height:40px;    line-height: 40px;    color: #656565;    padding-top: 20px;}.tell_sort table div{    width:40px;    height:40px;    background-color: #3d4453;    float: left;    text-align: center;    margin-right: 10px;    line-height: 40px;    color: #fff;    border-radius: 40px;    cursor: pointer;}.tell_sort table div i{    font-size: 20px;}.t1:hover{    background-color: #94bed7;}.t2:hover{    background-color: #c6b274;}.t3:hover{    background-color: #bb91d3;}.t4:hover{    background-color: #81c889;}.t5:hover{    background-color: #e7444a;}.content_text .left_sort ul li .asd{    background-color: #E7444A;    color: #fff;}.content_text .left_sort ul li .qwe{    background-color: #fff;    color: #4d4d4d;}/*=====================================*/.nav_right{    position: fixed;    width:180px;    right: 20px;    z-index: 1000;}.nav_right ul li:first-child div{    background-color: #e7444a;    color: #fff;}.nav_right ul li div{    height:40px;    line-height: 40px;    text-align: center;    color: #636363;    cursor: pointer;    background-color: #262626;}.nav_right ul li div:hover{    background-color: #e7444a;    color: #fff;}a{    color: #272636;}.back_top{    clear: both;    width:84px;    height:50px;    float: right;    margin-right: -100px;    margin-top: -110px;    background-color: #fff;    cursor: pointer;    text-align: center;    line-height: 50px;}.back_top i{    font-size: 30px;}.footer{    clear: both;}div{    /*border: 1px solid red;*/}