/*------------------ ios下载弹窗 -----------------*/
.mask2{display:none;z-index:999999;background:rgba(0,0,0,.5);position:fixed;left:0;right:0;top:0;bottom:0;}
.alert-box{position:absolute;width:86%;left:50%;top:50%;-webkit-transform: translate(-50%, -50%);transform: translate(-50%, -50%); background:#f9f9f9;height:auto;padding: 3%;border-radius: 5px;-webkit-transition: all .3s;transition: all .3s;}
.close-btn{width:20px;height:20px;position:absolute;right:3%;top:3%;z-index:3;background:url(../images/c_lose.png) no-repeat center;background-size:100% auto;display: block}

.alert-btn{z-index:10;width:100%;margin:10px auto;height:8px;line-height:8px;background:#0093ff;position:relative;border-radius: 8px;}
.color-bar{z-index:12;position:absolute;width:100%;height:100%;left:0;top:0;text-align:center;border-radius: 8px;}
.top-bar{z-index:15;background:#0093ff;width: 1%}
.buttom-bar{background:#b8b8b8}
.text-bar{display:block;z-index:16;color:#fff;text-decoration:none}

.now-download{width: 100%;font-size:14px;line-height: 20px;color: #999;margin-bottom:10px}
.msg{color: #ff594c;font-size: 12px;line-height: 20px;text-align:Justify;padding-bottom: 10px;display: none;}
.change{width: 80%;margin: 2% 0 0 10%;background: #0093ff;font-size: 14px;text-align: center;height: 40px;line-height: 40px;color: #fff;border-radius: 5px;display: inline-block}
.course_pic img{width: 100%}