.header{border-bottom:1px solid #e4e4e5;position:relative;/*z-index:0;*/}
.headerbgimage{width:100%;height:100%;position:absolute;left:0px;top:0px;
}
.headermask{width:100%;height:100%;position:absolute;left:0px;top:0px;opacity:0.6;filter:alpha(opacity=70);background:#fff}
.headerwrap{height:50px;padding-top:10px;width:1190px;margin:0px auto;position:relative;z-index:1;color:#fff;overflow:hidden}
.menu{float:right;margin-top:5px;color:#fff}
.menu li b {
    display:inline-block;
    background: url("/ptrgxmzsfxybbscom"/ptrgxmzsfxybbscom/images/courselist/radius.png"") no-repeat;
    height: 17px;
    line-height: 17px;
    position: absolute;
    right: -7px;
    text-align: center;
    top: -5px;
    width: 17px;
}
.navhide{font-size:18px;color:#333;float:left;cursor:pointer;display:none;}
.navhide span{width:27px;height:27px;background:url("/ptrgxmzsfxybbscom"/ptrgxmzsfxybbscom/images/courselist/bg.png"") 0px -240px;display:inline-block;float:left;margin-right:6px;cursor:pointer}
.navshow{float:left}
.navshow span{width:27px;height:27px;background:url("/ptrgxmzsfxybbscom"/ptrgxmzsfxybbscom/images/courselist/bg.png"") 0px -268px;display:inline-block;float:left;cursor:pointer}
.navshow ul{float:left}

/* .menu{float:right;margin-top:5px;} */
.menu li{float:left;margin-left:10px;position:relative;clear:none}
.menu li a{font-size:18px;color:#333;padding:2px 8px;border-radius:3px}
.menu li a:hover {color: #fff;background: #999;}
.menu li a.current{background:#999;color:#fff}



.header h1{font-size:24px;color:#333;font-weight:normal}
.header h1 a{color:#333;}
.header h1 span.articleschool{font-size:14px;color:#fff;text-decoration:underline}
.headicon{cursor:pointer}
.headicon img{vertical-align:middle;margin:0px 5px 0px 30px;border-radius:30px;}
.headicon span{font-size:12px;}
.navshow{display:block;}

/*学生端头部*/
.c-header{border-bottom:1px solid #e4e4e5;background:#fff;top:42px;width:100%;z-index:1}
.headerwrap{height:50px;padding-top:10px;width:1100px;margin:0px auto;position:relative;z-index:1;color:#fff;overflow:hidden}
.c-menu{float:right;margin-top:5px;color:#fff}
.c-menu li b {
    display:inline-block;
    background: url("/ptrgxmzsfxybbscom"/ptrgxmzsfxybbscom/images/courselist/radius.png"") no-repeat;
    height: 17px;
    line-height: 17px;
    position: absolute;
    right: -7px;
    text-align: center;
    top: -5px;
    width: 17px;
}
.c-menu{float:right;margin-top:5px;}
.c-menu li{float:left;margin-left:10px;position:relative}
.c-menu li a{font-size:18px;color:#333;padding:2px 8px;border-radius:3px}
.c-menu li a:hover {color: #fff;background: #999;}
.c-menu li a.current{background:#999;color:#fff}

.c-header h1{font-size:24px;color:#333;font-weight:normal}
.c-header h1 a{color:#7b9e31;}
.c-header h1 a:hover{text-decoration:underline;}
.c-header h1 span.articleschool{font-size:14px;color:#fff;text-decoration:underline}
.znote_w a {
    background: url("/ptrgxmzsfxybbscom/css/images/coursestar/notes.png") no-repeat scroll 5px center rgba(0, 0, 0, 0);
    border: 1px solid #7b9e31;
    border-radius: 3px;
    display: inline-block;
    height: 30px;
    line-height: 30px;
    margin-left: 10px;
    padding-left: 30px;
    padding-right: 15px;
}
.chClass{width:300px;border:solid 1px #CCC;padding:5px;background:#FFF;line-height:30px;display:none;}
.f1{color:#7b9e31;cursor:pointer;}