.about_mian{width:100%;height:32px;background-color:#eeeeee;}
.about_mian ul{float: right;height:100%;}
.about_mian li{float: left;font-size: 12px;color:#929292;height:32px;line-height:32px;}
.about_mian li a{color:#929292;height:32px;line-height:32px;}
.about_title h5{font-size:18px;height:54px;line-height:54px;margin-top:20px;}
.about_title ul{width:41.6%;margin:0 auto;height:14px;line-height: 14px;}
.about_title .about_left{width:33%;float: left;height:2px;margin-top: 1.5%;background: url(../about-img/r.png);}
.about_title .about_center{font-size: 12.5px;color:#9d9d9d;float: left;width:30%;text-align: center;}
.about_title .about_right{width:33%;float: right;height:2px;margin-top: 1.5%;background: url(../about-img/l.png);}
.about_nav{width:354px;height:47px;margin: 0 auto;padding-top:30px;}
.about_nav span{background: url(../about-img/lan.png);display: inline-block;width:41.6%;height:47px;background-repeat: no-repeat;margin:0 3.3%;font-size: 12px;color:#fff;line-height:42px;background-size: 100%;background-repeat: no-repeat;}
.about_nav span.active{background: url(../about-img/hj.png);background-size: 100%;background-repeat: no-repeat;}
.about_mian_two{height:200px;}
.about_discript{font-size:12px;line-height: 28px;margin:0 auto;text-align: left;}
.about_discript p{margin-bottom: 32px;text-indent: 24px;}
.about_show_b{margin-bottom: 58px;}
.banner_small_main{overflow: hidden;position: absolute;top:-99999px;}
.banner_small{width:800px;margin:0 auto;}

@media (max-width: 1180px) {.about_title ul{width: 50%;}}
@media (max-width: 990px) {.about_title ul{width: 60%;}.about_title .about_center{margin:0 2%;}}
@media (max-width: 800px) {.banner_small{width:100%;}}
@media (max-width: 658px) {.about_title ul{width: 70%;}.about_title .about_center{margin:0 2%;}}
@media (max-width: 560px) {.about_title ul{width: 80%;}.about_title .about_center{margin:0 2%;}}
@media (max-width: 490px) {.about_title ul{width: 90%;}.about_title .about_center{margin:0 2%;}}
@media (max-width: 430px) {.about_title ul{width: 100%;}.about_title .about_center{text-align:text;width:100%;}.about_title .about_left{display: none}.about_title .about_right{display: none}}
@media (max-width: 430px) {.about_nav{width:100%;}.about_nav span{margin:0 1%; line-height:38px;}}