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label{position:absolute;left:31px;cursor:text;}.m-header .nav{float:left;}.m-header .nav a{display:block;float:left;}.m-header .nav a.active{cursor:default;}.m-navlinks{float:right;height:30px;line-height:30px;}.m-navlinks .unlogin{width:80px;text-align:right;}.m-navlinks .unlogin a{font-size:14px;}.m-navlinks .unlogin a .huo{top:-1px;position:relative;}.m-navlinks .arrow{border-style:solid;border-width:5px 4px 0px 4px;border-color:#999 transparent transparent transparent;}.m-navlinks .info{float:left;display:block;position:relative;}.m-navlinks .nickname{display:block;font-size:14px;line-height:34px;margin-right:10px;max-width:125px;}.m-navlinks .nickname a:hover{color:#999;text-decoration:underline;}.m-navlinks .face{height:34px;line-height:34px;}.m-navlinks .face img{margin:3px;border-radius:14px;}.m-navlinks .sets{position:absolute;right:-10px;margin-top:-8px;padding-top:14px;top:100%;z-index:9999;}.m-navlinks .sets .arr{position:absolute;top:7px;left:147px;width:20px;height:10px;background:url(//mc.stu.126.net/res/images/ui/ui_sprite.png?5f7eedcf69b8a05d3ed53b4c1918de1c) no-repeat 9999px 9999px;background-position:-136px -104px;}.m-navlinks .sets .set{width:165px;*width:175px;padding:5px 10px;background:#fff;border:1px solid #ddd;}.m-navlinks .sets .set li{text-align:left;}.m-navlinks .sets .set li.text{text-align:center;}.m-navlinks .sets .set li a{padding:0 10px;display:block;line-height:32px;height:32px;}.m-navlinks .sets .set .text{border-bottom:1px solid #eaeaea;}.m-navlinks .sets .set .exit{border-top:1px solid #eaeaea;}.web-nav-container .u-sugInput .ipt .u-baseinputui .inputtxt{height:30px !important;}.u-sugInput .ipt .u-baseinputui input[name='search']{-webkit-box-sizing:border-box;box-sizing:border-box;}@media screen and (min-width: 1210px){.m-header1 .search{display:inline-block !important;margin-right:5px;width:188px;}.m-header1 .search .submit{font-size:20px;}.m-header1 .search .text{width:160px;}.m-header1 .search .text .u-sugInput .ipt{width:160px;}.m-header1 .search .text .u-sugInput .u-baseinputui{width:160px !important;}.m-header1 .search .text .u-sugInput .u-baseinputui .sug{left:-30px;width:200px;}.m-header1 .search .text .u-sugInput .u-baseinputui .inputtxt{width:150px !important;}.m-header1 .nav{width:465px;}.m-header1 .nav .appTips{margin-left:205px;}.m-header1 .nav a.spoc{margin-left:0px;}.m-header1 .nav a.app{margin-left:15px;}.m-header1 .nav a .inner{width:100px;}.m-header2 .search{width:240px;display:inline-block !important;}.m-header2 .search .text .u-sugInput .ipt{width:176px;}.m-header2 .search .text .u-sugInput .ipt .u-baseinputui{border:none;height:30px !important;}.m-header2 .search .text .u-sugInput .ipt .u-baseinputui .sug{left:-35px;width:252px !important;}.m-header2 .search .text .u-sugInput .ipt .u-baseinputui .inputtxt{width:200px !important;}.m-header2 .search .text .u-sugInput .ipt .u-baseinputui .inputhint{top:8px;left:10px;}}#j-indexNav-bar .nav-item ul{position:absolute;background:#ffffff;-webkit-box-shadow:0 4px 12px 0 rgba(17, 17, 17, 0.08);box-shadow:0 4px 12px 0 rgba(17, 17, 17, 0.08);border-radius:0 0 4px 4px;padding:10px 0;width:200px;opacity:1;left:0;display:none;top:50px;}#j-indexNav-bar .nav-item ul li a{font-size:14px;color:#333333;height:35px;line-height:35px;padding-left:15px;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}#j-indexNav-bar .nav-item ul li a:hover{background:#e6e6e6;}#j-indexNav-bar .nav-item.special:hover ul{display:block;}.nav-box-container{font-family:'Arial', 'Hiragino Sans GB', 'Microsoft YaHei',
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a{font-size:14px;color:#333333;height:35px;line-height:35px;padding-left:15px;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}.nav-box-container .new-list .item ul li a:hover{background:#e6e6e6;}.nav-box-container .new-list .item.program:hover .program-list{display:block;}.nav-box-container .new-list .program{display:none;}.nav-box-container .avatar a.f-f0{color:#fff;}.nav-container > .nav-container-i > .nav-box-container{left:0px;top:0px;width:1260px;height:50px;border-radius:0px;position:relative;clear:none;font-size:0px;background-color:#333333;margin:0px auto;}.learn > .nav-container-i > .nav-box-container{width:99%;}.nav-container > .nav-container-i > .nav-box-container > .logo{left:0px;top:11px;width:235px;height:28px;border-radius:0px;position:absolute;clear:none;font-size:0px;}.learn > .nav-container-i > .nav-box-container > .logo{left:8px;}.nav-container > .nav-container-i > .nav-box-container > .logo:hover{cursor:pointer;}.nav-container > .nav-container-i > .nav-box-container > .logo > a{display:inline-block;width:100%;height:28px;}.nav-container > .nav-container-i > .nav-box-container > .logo > a > img{width:235px;height:28px;border-radius:0px;}.nav-container > .nav-container-i > .nav-box-container > .course.nav-item{left:295px;top:0px;width:90px;height:50px;border-radius:0px;position:absolute;clear:none;font-size:0px;background-color:#333333;line-height:50px;}.nav-cur{background:#666666;cursor:pointer;}.nav-item a:hover{color:#ccc;}.nav-container > .nav-container-i > .nav-box-container > .course.nav-item > a{display:inline-block;width:100%;height:50px;}.nav-container > .nav-container-i > .nav-box-container > .course.nav-item > a > span{line-height:50px;display:inline-block;width:100%;font-family:微软雅黑, 'Microsoft YaHei';font-size:16px;color:white;text-align:center;vertical-align:middle;}.nav-container > .nav-container-i > .nav-box-container > .nav-item.special{left:385px;top:0px;width:120px;height:50px;border-radius:0px;position:absolute;clear:none;font-size:0px;line-height:50px;}.nav-container > .nav-container-i > .nav-box-container > .nav-item.special > a{display:inline-block;width:100%;height:50px;}.nav-container > .nav-container-i > .nav-box-container > .nav-item.special > a > span{line-height:50px;display:inline-block;width:100%;font-family:微软雅黑, 'Microsoft YaHei';font-size:16px;color:white;text-align:center;vertical-align:middle;}.nav-container > .nav-container-i > .nav-box-container > .nav-item.outline{left:495px;top:0px;width:99px;height:50px;border-radius:0px;position:absolute;clear:none;font-size:0px;line-height:50px;}.nav-container > .nav-container-i > .nav-box-container > .nav-item.outline > a{display:inline-block;width:100%;height:50px;}.nav-container > .nav-container-i > .nav-box-container > .nav-item.outline > a > span{line-height:50px;display:inline-block;width:100%;font-family:微软雅黑, 'Microsoft 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a{display:inline-block;width:100%;height:50px;}.nav-container > .nav-container-i > .nav-box-container > .nav-item.mooc > a > span{line-height:50px;display:inline-block;width:100%;font-family:微软雅黑, 'Microsoft YaHei';font-size:16px;color:white;text-align:center;vertical-align:middle;}.nav-container{left:0px;top:0px;width:100%;height:50px;border-radius:0px;position:relative;clear:none;z-index:999;font-size:0px;background-color:#333333;}#j-indexNav-bar.fix-indexNav-bar{position:fixed;display:block;top:0px;z-index:999;width:100%;}.m-navlinks .login{left:0px;}.nav-box-container .personal .personal-t .nav-item a span:hover{color:#ccc !important;}.web-nav-container{left:0px;top:0px;width:100%;height:64px;border-radius:0px;position:relative;clear:none;display:block;min-width:0px;z-index:20;color:black;font-size:16px;background-color:white;margin:0px;padding:0px;}.m-navTop-func > .m-navTop-func-i > .u-navLogin-container{left:0px;top:0px;width:1200px;height:64px;border-radius:0px;position:relative;clear:none;display:block;min-width:0px;color:black;font-size:16px;background-color:white;margin:0px auto;padding:0px;}.m-navTop-func > .m-navTop-func-i > .u-navLogin-container .new-nav-spoc-logo a{font-size:26px;font-family:微软雅黑, 'Microsoft YaHei';color:#333333;line-height:28px;}.m-navTop-func > .m-navTop-func-i > .u-navLogin-container .new-nav-spoc-logo a:hover{color:#00ad4d;}.nav:hover{color:#00ad4d !important;}.m-navTop-func > .m-navTop-func-i > .u-navLogin-container > .u-navLogin-logo{left:0px;top:17px;width:190px;height:28px;border-radius:0px;position:relative;clear:none;display:block;min-width:0px;z-index:13;color:black;font-size:16px;margin:0px;padding:0px;float:left;}.m-navTop-func > .m-navTop-func-i > .u-navLogin-container > .u-navLogin-logo.new-nav-spoc-logo{width:auto;}.m-navTop-func > .m-navTop-func-i > .u-navLogin-container > .u-navLogin-logo > a{display:inline-block;width:100%;height:28px;}.m-navTop-func > .m-navTop-func-i > .u-navLogin-container > .u-navLogin-logo > a > img{height:27px;border-radius:0px;vertical-align:middle;}.m-navTop-func > .m-navTop-func-i > .u-navLogin-container > .e-hover-source.u-navLogin-course{left:0px;height:21px;border-radius:0px;position:relative;clear:none;font-size:0px;display:block;min-width:0px;z-index:13;color:black;padding:0px;cursor:pointer;float:left;}.m-navTop-func > .m-navTop-func-i > .u-navLogin-container > .e-hover-source.u-navLogin-course::after{content:'';position:absolute;top:38%;width:0;height:0;border:4px solid transparent;border-width:6px 5px 0 5px;border-top-color:#c6c6c6;-webkit-transition:all 0.3s;transition:all 0.3s;cursor:pointer;}.m-navTop-func > .m-navTop-func-i > .u-navLogin-container > .e-hover-source.u-navLogin-course:hover::after{-webkit-transform:rotate(180deg);transform:rotate(180deg);}.m-navTop-func > .m-navTop-func-i > .u-navLogin-container > .e-hover-source.u-navLogin-course > a{display:inline-block;width:100%;height:21px;}.m-navTop-func > .m-navTop-func-i > .u-navLogin-container > .e-hover-source.u-navLogin-course > a > .nav{line-height:normal;display:inline-block;width:100%;font-family:微软雅黑, 'Microsoft YaHei';font-size:14px;color:#333333;text-align:center;vertical-align:middle;}.m-navTop-func > .m-navTop-func-i > .u-navLogin-container > .e-hover-source.u-navLogin-course > .e-hover-target{margin-left:-139px;}.m-navTop-func > .m-navTop-func-i > .u-navLogin-container > .e-hover-source.u-navLogin-course > .e-hover-target > .e-hover-arrow{left:129px;}.m-navTop-func > .m-navTop-func-i > .u-navLogin-container > .e-hover-source.u-navLogin-course > .e-hover-target > .e-hover-arrow-border{left:129px;}.m-navTop-func > .m-navTop-func-i > .u-navLogin-container > .e-hover-source.u-navLogin-course > .e-hover-target > .e-hover-content > .j-nav-CateBox.u-cateBox-container{left:0px;top:0px;width:248px;height:auto;border-radius:0px;position:relative;clear:none;color:black;margin:0px;padding:0px;font-size:16px;}.m-navTop-func > .m-navTop-func-i > .u-navLogin-container > .u-navLogin-school{width:32px;height:21px;border-radius:0px;position:relative;clear:none;font-size:0px;display:block;min-width:0px;z-index:13;color:black;margin:0px 0px 0px 20px;padding:0px;float:left;}.m-navTop-func > .m-navTop-func-i > .u-navLogin-container > .u-navLogin-textbook > a{display:inline-block;width:100%;height:21px;}.m-navTop-func > .m-navTop-func-i > .u-navLogin-container > .u-navLogin-textbook > a > .nav{line-height:normal;display:inline-block;width:100%;font-family:微软雅黑, 'Microsoft YaHei';font-size:14px;color:#333333;text-align:center;vertical-align:middle;}.m-navTop-func > .m-navTop-func-i > .u-navLogin-container > .u-navLogin-textbook{height:21px;border-radius:0px;position:relative;clear:none;font-size:0px;display:block;min-width:0px;z-index:13;color:black;margin:0px 0px 0px 20px;padding:0px;float:left;}.m-navTop-func > .m-navTop-func-i > .u-navLogin-container > .u-navLogin-school > a{display:inline-block;width:100%;height:21px;}.m-navTop-func > .m-navTop-func-i > .u-navLogin-container > .u-navLogin-school > a > .nav{line-height:normal;display:inline-block;width:100%;font-family:微软雅黑, 'Microsoft YaHei';font-size:14px;color:#333333;text-align:center;vertical-align:middle;}.m-navTop-func > .m-navTop-func-i > .u-navLogin-container > .u-navLogin-app > img{width:13px;height:21px;border-radius:0px;}.m-navTop-func > .m-navTop-func-i > .u-navLogin-container > .u-navLogin-discuss{left:0px;top:14px;height:21px;border-radius:0px;position:relative;clear:none;font-size:0px;display:block;min-width:0px;z-index:13;color:black;margin:0px 0px 0px 20px;padding:0px;float:left;}.m-navTop-func > .m-navTop-func-i > .u-navLogin-container > .u-navLogin-discuss > a{display:inline-block;width:100%;height:21px;}.m-navTop-func > .m-navTop-func-i > .u-navLogin-container > .u-navLogin-discuss > a > .nav{line-height:normal;display:inline-block;width:100%;font-family:微软雅黑, 'Microsoft YaHei';font-size:16px;color:#333333;text-align:left;vertical-align:middle;}.m-navTop-func > .m-navTop-func-i > .u-navLogin-container > .u-navLogin-cloud{left:2px;top:14px;width:auto;height:21px;border-radius:0px;position:relative;clear:none;font-size:0px;min-width:0px;z-index:13;color:black;margin:0px 0px 0px 20px;padding:0px;float:left;}.m-navTop-func > .m-navTop-func-i > .u-navLogin-container > .u-navLogin-cloud > a{display:inline-block;width:100%;height:21px;}.m-navTop-func > .m-navTop-func-i > .u-navLogin-container > .u-navLogin-cloud > a > .nav{line-height:normal;display:inline-block;width:100%;font-family:微软雅黑, 'Microsoft YaHei';font-size:14px;color:#333333;text-align:center;vertical-align:middle;}.m-navTop-func > 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