.header{height: 216px}.header .top_bar{height: 30px;background-color: #363739;font: 14px/30px "microsoft yahei";background-color: #b5b4b4}.header .welcome{color: #aaaaaa;color: #fff}.header .current_date{color: #fff}.head-logo{height: 139px}.head-logo img{height: 91px}.nav{height: 46px;border-top: 1px solid #f60101;background-color: #be270f}.nav>ul{height: 46px}.nav li{width: 120px;float: left;text-align: center}.nav ul li a{color: #ffffff;font: 14px/46px "microsoft yahei";display: block}.nav>ul>li{position: relative}.nav>ul>li>ul{position: absolute;left: 0;top: 46px;z-index: 10;background-color: #be270f;overflow: hidden;display: none}.nav_on{transition: background-color 0.5s;background-color: #a90000}.nav_on li:hover{transition: background-color 0.5s;background-color: #a90000}.banner{height: 400px;overflow: hidden;position: relative}#left_banner,#right_banner{position: absolute;width: 41px;height: 69px;top: 50%;margin-top: -20px}#left_banner{left: 0;background: url(../img/icon-slides.png) -84px 0 no-repeat;background-color: rgba(255, 255, 255, 0.5)}#left_banner:hover{background-position-x: 0}#right_banner{right: 0;background: url(../img/icon-slides.png) -125px 0 no-repeat;background-color: rgba(255, 255, 255, 0.5)}#right_banner:hover{background-position-x: -43px}.banner .banner_img li{position: absolute;top: 0;left: 0}.banner .banner_img{position: relative}.banner_radio{position: absolute;left: 50%;bottom: 20%}.banner_radio li{width: 16px;height: 16px;border-radius: 8px;background-color: #A3A3A2;float: left;margin: 0 10px 0}.banner_radio .active{background-color: red}.w600l{width: 600px;float: left}.line_one .left_one{width: 700px;float: left;padding-right: 30px}.line_one .right_one{width: 470px;float: left}.main_body{margin-top: 30px}.line_one h2>a{font: 24px/28px "microsoft yahei"}.left_one ul{width: 600px}.left_one ul li{border-bottom: 1px dashed #ddd;overflow: hidden;width: 600px}.left_one ul li .abstra{font: 12px/20px "microsoft 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385px;color: #999999;height: 48px;line-height: 24px;overflow: hidden}#line_two{padding-top: 25px;background-color: #F8F8F8;padding-bottom: 48px}#left_two{width: 575px;padding-right: 25px}.multiply_column div{float: left;width: 126px;height: 38px;border: 1px solid #ECECEC;margin-right: 14px;cursor: default}#left_two_multiply_column .on{background-color: #ECECEC}#left_two{position: relative}#left_two ul{position: absolute;left: 0;top: 95px;display: none;opacity: 0}.right_two{overflow: hidden;width: 470px;float: right;border-bottom: 2px solid #a90000}.right_two .img_box{width: 1740px;height: 282px}.right_two .img_box li{float: left;width: 250px;margin: 0 20px}.right_two .img_box li h3{font: 16px/64px "microsoft yahei";text-align: center}.right_two .img_box li img{width: 250px;height: 220px}.right_two .img_tag_box{width: 94px;margin: 0 auto;height: 30px}.right_two .img_tag_box li{transition: width 0.5s;width: 16px;height: 16px;border-radius: 16px;background-color: #a90000;float: left;margin-right: 10px}.right_two .img_tag_box .img_tag_active{transition: width 0.5s;width: 32px;background-color: #a90000}#line_three .line_one{width: 700px;float: left}#line_three h2{padding-top: 18px}#right_three{float: right;width: 470px;padding-right: 0}#right_three h2{width: 470px}#right_three ul{width: 470px}#right_three h3{width: 390px}.line_four{height: 150px;background-color: #F8F8F8;margin-top: 30px;padding-top: 30px}.left_four{width: 715px;height: 120px;background-color: #555A60;float: left}.line_four .right_four ul li{width: 120px;height: 120px;margin-left: 1px;float: left;background-color: #EAEAEA}.line_four .right_four ul li:hover{transition: background-color .5s;background-color: #DCDCDC}.line_four .right_four ul li a{background: url(../img/sysicon.png) no-repeat 0 0;width: 50px;display: block;margin: 30px 0 0 40px;padding-top: 50px}.line_four .right_four ul li span{display: block;text-align: center;color: #565656;cursor: default;font-size: 16PX}.left_four h3{color: #fff;font: 18px/52px "microsoft yahei"}.left_four .links{padding-left: 32px;width: 250px}.left_four .links select{width: 250px;height: 42px}.left_four .tel{padding-left: 60px}.left_four .tel h4{font-size: 24px;color: #fff}.footer{background-color: #303030}.left_nav{width: 220px;overflow: hidden;float: left}.left_nav h2{font-size: 22px;color: #fff;line-height: 30px;background-color: #1C2B4B;padding: 15px 10px;background-repeat: no-repeat;background-position: 150px center;text-align: center;margin: 0}.left_nav ul{width: 218px;border: 1px solid #f6f1ed}.left_nav ul li a{display: block;padding: 10px 0px;text-align: center;font-size: 16px;line-height: 25px;background-color: #fff;border-bottom: 1px solid #f6f1ed;color: #333}.cur_pos{height: 40px;font: 14px/40px "微软雅黑";padding-left: 20px;border-bottom: 2px solid #f6f1ed}.news_list{width: 920px;float: right;border: 1px solid #f6f1ed;padding-bottom: 30px}.copyright{padding: 15px 0}.copyright p{color: #FFFFFF;text-align: center;font: 16px/42px "microsoft yahei"}.student_works{width: 580px;float: left}.practical_teaching{width: 580px}#notice{margin-top: 50px;background-color: #EFECE5;padding-top: 38px;padding-bottom: 10px}.index_titles{font: 18px "Microsoft YaHei";font-weight: bold;margin-bottom: 25px;border-bottom: 1px solid #D8D8D8}.index_titles em{font-size: 14px;font-weight: normal;color: #9A9BA0;padding-left: 10px}.index_titles:after{content: "\200B";width: 48px;height: 3px;display: block;background-color: #016BB7;margin-top: 8px;position: relative;top: 1px}.index_titles .more{font-size: 12px;padding-top: 7px}.index_titles .more:hover{color: #be270f}.index_titles .more a{color: #9A9BA0;font-weight: normal}#notice ul li{width: 540px;height: 65px;padding: 18px 0px;margin-bottom: 18px;background-color: #fff;float: left;border-radius: 10px;float: left}#notice .notice_date{width: 90px;height: 65px;float: left}#notice ul li a{display: block;float: left;width: 410px;position: relative;left: 0;top: 0;transition-duration: 0.2s}#notice ul li a:hover{top: -3px;transition-duration: 0.2s}#notice ul li a h3{color: #333;font: 16px "Microsoft YaHei";padding-bottom: 16px}#notice ul li a .abstra{color: #A6ADB5;font: 14px/18px "Microsoft YaHei"}#notice ul li span{display: block;text-align: center}#notice ul li .date_mouth_day{font-size: 24px;color: #be270f;padding-bottom: 5px}#notice ul li .date_year{color: #C9CACF}.mutiply_column_titles{margin: 0 15px;border-bottom: 1px solid #D8D8D8;text-align: center;display: flex;justify-content: center;padding-top: 22px;margin-bottom: 22px}.mutiply_column_titles ul li{float: left;width: 140px;text-align: center}.mutiply_column_titles ul li a{font-weight: bold;font-size: 18px;line-height: 28px}.title_on:after{content: "\200B";display: block;width: 100%;height: 3px;background-color: #016BB7;position: relative;top: 1px}.mutiply_column_news ul{display: none}.mutiply_column_news .news_on{display: block}.student_works ul li,.mutiply_column_news ul li{width: 510px;height: 44px;float: left;background: url(img/d.jpg) left center no-repeat}.student_works ul li h3,.mutiply_column_news ul li h3{font-size: 16px;float: left;line-height: 40px;margin-left: 10px}.student_works ul li .news_time,.mutiply_column_news ul li .news_time{float: right;font-size: 14px;line-height: 40px;color: #929DAF}.student_works ul li{width: 540px}