.page_banner{background:url("../images/banner/about_banner.jpg") no-repeat center}.about_box{padding-bottom:60px}.about_box>p{text-indent:2em;line-height:1.6}.about_cont{padding:10px 0 40px}.about_info{width:460px;margin-right:100px}.about_info h1{font-weight:bold;color:#ab1f24;font-size:40px}.about_info h2{font-size:26px}.about_info h5{line-height:1.6;margin:30px 0;text-indent:2em}.about_list li{text-align:center}.about_list li::before{display:block;content:"";margin:0 auto 10px;width:90px;height:90px}.about_icon_1::before{background:url("../images/about_icon_1.jpg") no-repeat;background-size:100% 100%;-moz-background-size:100% 100%;-o-background-size:100% 100%;-ms-background-size:100% 100%;-webkit-background-size:100% 100%}.about_icon_2::before{background:url("../images/about_icon_2.jpg") no-repeat;background-size:100% 100%;-moz-background-size:100% 100%;-o-background-size:100% 100%;-ms-background-size:100% 100%;-webkit-background-size:100% 100%}.about_icon_3::before{background:url("../images/about_icon_3.jpg") no-repeat;background-size:100% 100%;-moz-background-size:100% 100%;-o-background-size:100% 100%;-ms-background-size:100% 100%;-webkit-background-size:100% 100%}.about_img{width:640px}.science_box{padding-bottom:80px;background:#f1f1f1}.science_list li{width:390px}.science_list li .imgs_box{border:1px solid #7d7d7d;width:390px;height:335px}.science_list li .imgs_box img{max-width:390px;max-height:335px}.science_list li:hover .imgs_box{border-color:#ab1f24}.science_list li:hover h4{color:#ab1f24}.science_list h4{text-align:center;margin:15px 0}footer{margin-top:0}