.box{display: inline-block;width: 100%;position: relative;}
.sharedHead{-webkit-box-shadow:none;box-shadow: none;}
.welcomeTitle{background: #0065CC;}
.sharedHead_theme_txt a,.sharedHead_theme_txt span,.header_right_right,.header_right_right a{color: #fff;}
.sharedHead_theme_txt a:hover,.sharedHead_theme_txt span:hover,.header_right_right a:hover{color: #FDEB2F;}
.user_head_homeworkTips{right: 60px;}
.user_head_homeworkTips_parts1,.user_head_homeworkTips_parts1:hover{background: url(../img/personCenter/new_tips.png) no-repeat;background-size: 15px 19px;background-position: 6px 5px;}
.boxBackground{position: absolute;width: 100%;top: 20px;z-index: 100;min-width: 1250px;max-height: 520px;overflow: hidden;}
.boxBackground img{width: 100%;}
.carousel{z-index: 101;}
.sharedHead{z-index: 102;background: 0;}
.sharedHead_logoimg{background: url(../img/personCenter/newlogo.png) no-repeat;background-size: 100%;}
.tt-menu,.nicescroll-rails{z-index: 101!important;}
/* 侧边导航 */
#nav_center{z-index:2;}
#nav_center a:link{color:#333;}
#nav_center a:visited{color:#333;}
#nav_center a:hover{color:#1596ef;}
#nav_center a:active{color:#1596ef;}
#center{margin-right:auto;margin-left:auto;width: 1200px;padding: 20px 0;background: #fff;box-shadow: 0px 4px 12px 0px rgba(4, 0, 0, 0.1);border-radius: 8px;}
#nav{float:left;margin-right:auto;margin-left:auto;width:190px;text-align:center;font-size:16px;}
#nav ul li a{display:block;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;width:100%;height:100%;-webkit-box-align:center;-webkit-align-items:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:start;-moz-justify-content:flex-start;-webkit-justify-content:flex-start;justify-content:flex-start;}
#nav1{height: 396px;border-radius:5px;background-color:#fff;/* box-shadow:0 3px 15px 0 rgba(0,0,0,.1); */}
#nav1 ul{float:left;text-align:center;}
#nav li{position:relative;width:190px;font-size:1em;}
#nav #nav2{height:110px;border-top:1px solid #c6c6c6;background-color:#fff;opacity:.9;}
#nav #nav2 ul{margin-top:8px;}
#conter_right{float:left;width: 1010px;height: 396px;position: relative;}
#content1{position:relative;z-index:25;float:left;overflow-x:hidden;overflow-y:auto;padding: 15px 29px 5px 30px;width: 681px!important;height: 396px;border-left: 2px solid #eee;border-radius:5px;background:#fff;}
#content1 a{font-size:14px;}
#content1 ul{list-style:none;}
#content1 li{position:relative;float:left;display:inline-block;overflow:hidden;margin: 0 0 20px 0;width: 140px;text-align:left;text-overflow:ellipsis;white-space:nowrap;margin-right: 20px;}
#content1 li:nth-child(4n){margin-right: 0;}
#nav1 .nearside_animate{-webkit-transition:all .4s;-moz-transition:all .4s;-o-transition:all .4s;transition:all .4s;-webkit-transform:translateY(-10px);-moz-transform:translateY(-10px);-o-transform:translateY(-10px);transform:translateY(-10px);-ms-transition:all .4s;-ms-transform:translateY(-10px);}
#nav1 .nearside_name{font-size: 14px;}
#nav1 .nearside_color{color: #1695ED;}
#nav1 .nearside_info{position:absolute;top:0;left:56px;overflow:hidden;width:126px;color:#989baf!important;text-align:justify;text-overflow:ellipsis;white-space:nowrap;font-size: 12px;opacity:0;}
#nav1 .nearside_animate2{opacity:1;-webkit-transition:all .4s;-moz-transition:all .4s;-o-transition:all .4s;transition:all .4s;-webkit-transform:translateY(10px);-moz-transform:translateY(10px);-o-transform:translateY(10px);transform:translateY(10px);-ms-transition:all .4s;-ms-transform:translateY(10px);}
.navContent_course_cover{margin:0 auto;width:140px;height:75px;border-radius:2px;overflow: hidden;}
.navContent_course_cover img{width:100%;height:100%;}
.navContent_course_name{overflow:hidden;margin:3px 0 0 0;text-align:center;text-overflow:ellipsis;white-space:nowrap;font-size:12px;-o-text-overflow:ellipsis;}
.content1_1{border-color: #FF792C!important;}
.content1_2{border-color: #1EBFA3!important;}
.content1_3{border-color: #4e52ef!important;}
.content1_4{border-color: #67C23A!important;}
.content1_5{border-color: #ED9A1F!important;}
.content1_6{border-color: #F84949!important;}
.content1_7{border-color: #45CFD9!important;}
.content1_8{border-color: #14BA33!important;}
.content1_11{border-color: #3cb5c4!important;}
.nearside_icon{margin-right:10px;margin-left: 40px;width:16px;height:16px;background:url(../img/personCenter/ground.png) no-repeat;}
.nearside_icon1{background-position:-59px -3px;background-size:148px 227px;}
.nearside_icon2{background-position:-59px -22px;background-size:148px 227px;}
.nearside_icon3{background-position:-59px -42px;background-size:148px 227px;}
.nearside_icon4{background-position:-59px -61px;background-size:148px 227px;}
.nearside_icon5{background-position:-82px -3px;background-size:148px 227px;}
.nearside_icon6{background-position:-81px -22px;background-size:148px 227px;}
.nearside_icon7{background-position:-82px -41px;background-size:148px 227px;}
.nearside_icon8{background-position:-82px -61px;background-size:148px 227px;}
.nearside_icon9{background-position: -59px -99px;background-size: 148px 227px;}
.nearside_icon10{background-position:-82px -81px;background-size:148px 227px;}
.nearside_icon11{background-position: -82px -82px;background-size:148px 227px;}
.nearside_icon41{background-position: -82px -101px;background-size:148px 227px;}

/* banner图 */
.carousel_inner{position:absolute;left: 190px;top: 20px;overflow:hidden;width: 990px;border-radius: 5px;}
.carousel_inner a{display:inline-block;width:100%;height:100%;}
.carousel_inner #gallery img{width:100%;border-radius: 5px;}
.carousel_inner .swiper-pagination-bullet{width: 12px;height: 12px;}
#gallery .swiper-brn-next,#gallery .swiper-brn-prev{position:absolute;top:0;bottom:0;z-index:999;margin:auto;width:30px;height:480px;cursor:pointer;}
#gallery .swiper-brn-next{right:0;}
#gallery .swiper-brn-left,#gallery .swiper-brn-right{position:absolute;top:50%;margin-top:-30px;width:30px;height:60px;background:rgba(0,0,0,.2);}
#gallery .swiper-brn-leftImg{width:100%;height:100%;background:url(../img/marking/brn-left.png) 6px 18px no-repeat;}
#gallery .swiper-brn-rightImg{width:100%;height:100%;background:url(../img/marking/brn-right.png) 6px 18px no-repeat;}
/* 内容 */
.content{display:none; margin:0 auto;margin-bottom:38px;width:1200px;}
/* 推荐 */
.recommend{
    margin: 0px auto;
    width: 1200px;
    /* position: relative; */
    overflow: hidden;
    /* height: 131px; */
    margin-top: 30px;
    margin-bottom: 38px;
}
.recommend .content_item{position:relative;float:left;overflow:hidden;margin-left:20px;width:224px;height: 121px;border-radius:4px;background:#bfbfbf;}
.recommend .content_item:first-child{margin-left:0;}
.recommend .content_item:hover a img{-webkit-transform:scale(1.1);-moz-transform:scale(1.1);-o-transform:scale(1.1);transform:scale(1.1);-ms-transform:scale(1.1);}
.recommend .content_item a{display:inline-block;width:100%;height:100%;cursor:pointer;}
.recommend .content_item a img{width:100%;-webkit-transition:all 1.4s;-moz-transition:all 1.4s;-o-transition:all 1.4s;transition:all 1.4s;}
.recommend .content_item_recom{position:absolute;top:0;left:0;padding:0 6px;height:20px;border-radius:4px 0 4px 0;background:linear-gradient(90deg,#66efba,#01c85a);color:#fff;text-align:center;font-size:12px;line-height:20px;}
/* 课程列表 */
.content .content_up{height: 230px;}
.content .content_top{overflow:hidden;margin-bottom:19px;width:100%;height:24px;}
.content .content_top .content_top_category_name{float:left;margin-right:10px;margin-left:17px;height:24px;color:#ff792c;font-weight:700;font-size:24px;line-height:24px;}
.content .content_top span{display:inline-block;margin-bottom: 0px;height:12px;color:#acacac;vertical-align:bottom;font-size:12px;line-height:12px;}
.content .content_top .content_top_category_icon{float:left;width:24px;height:24px;background:url(../img/personCenter/ground.png) no-repeat;}
.content .content_top #content_r{float:right;}
.content .content_top #content_r a{display:inline-block;height:24px;color:#acacac;font-size:14px;line-height:24px;}
.content .content_up .content_item{position:relative;float:left;overflow:hidden;margin-left:20px;width:285px;border-radius:4px 4px 0 0;background:#bfbfbf;-webkit-transition:all .5s;-moz-transition:all .5s;-o-transition:all .5s;transition:all .5s;}
.content .content_up .content_item:hover{margin-top:-8px;}
.content .content_up .content_item:first-child{margin-left:0;}
.content .content_up .content_item a{display:block;overflow:hidden;width:100%;height:154px;cursor:pointer;user-select:none;}
.content .content_up .content_item a img{width:100%;height:100%;}
.content .content_up .content_item .content_item_hidden{box-sizing:border-box;padding:11px 18px;background:#fff;}
.content .content_up .content_item .content_item_hidden .content_p{display:inline-block;overflow:hidden;height:15px;color:#000;text-align:justify;text-overflow:ellipsis;white-space:nowrap;font-weight:700;font-size:14px;line-height:15px;}
.content .content_up .content_item .content_item_hidden .content_item_hidden_p{display:-webkit-box;overflow:hidden;height:34px;color:#bbb;text-align:justify;font-size:12px;-webkit-box-orient:vertical;-webkit-line-clamp:2;}
/* 免费课程 */
.free{display:block;}
.free .content_top .content_top_category_name{color:#08cb60;}
.free .content_top .content_top_category_icon{background-position: -95px -131px;background-size: 236px 363px;}
.free .content_up .content_item:hover .content_p{color:#08cb60;}
/* 课程列表对应的颜色图标 */
#page1{display:block;}
#page41 .content_top_category_icon{background-position: -131px -162px;background-size: 236px 363px;}
#page41 .content_top_category_name{color: #ed9a1f;}
#page41 .content_item:hover .content_p{color:#ed9a1f;}
#page12 .content_top_category_icon{float:left;width:24px;height:24px;border-radius:0 10px 10px 0;background:#6755c7;}
#page12 .content_top_category_name{color:#6755c7;}    
#page11 .content_top_category_icon{background-position: -131px -132px;background-size:236px 363px;}
#page11 .content_top_category_name{color:#3cb5c4;}
#page10 .content_top_category_icon{background-position: -131px -132px;background-size:236px 363px;}
#page10 .content_top_category_name{color:#28cde2;}
#page10 .content_item:hover .content_p{color:#28cde2;}
#page9 .content_top_category_icon{background-position: -95px -162px;background-size: 236px 363px;}
#page9 .content_top_category_name{color:#f75428;}
#page8 .content_top_category_icon{background-position:-131px -98px;background-size:236px 363px;}
#page8 .content_top_category_name{color:#14ba33;}
#page8 .content_item:hover .content_p{color:#14ba33;}
#page7 .content_top_category_icon{background-position:-131px -67px;background-size:236px 363px;}
#page7 .content_top_category_name{color:#45cfd9;}
#page7 .content_item:hover .content_p{color:#45cfd9;}
#page6 .content_top_category_icon{background-position:-131px -36px;background-size:236px 363px;}
#page6 .content_top_category_name{color:#f84949;}
#page6 .content_item:hover .content_p{color:#f84949;}
#page5 .content_top_category_icon{background-position:-131px -6px;background-size:236px 363px;}
#page5 .content_top_category_name{color:#ed9a1f;}
#page5 .content_item:hover .content_p{color:#ed9a1f;}
#page4 .content_top_category_icon{background-position:-95px -98px;background-size:236px 363px;}
#page4 .content_top_category_name{color:#67c23a;}
#page4 .content_item:hover .content_p{color:#67c23a;}
#page3 .content_top_category_icon{background-position:-95px -67px;background-size:236px 363px;}
#page3 .content_top_category_name{color:#4e52ef;}
#page3 .content_item:hover .content_p{color:#4e52ef;}
#page2 .content_top_category_icon{background-position:-95px -36px;background-size:236px 363px;}
#page2 .content_top_category_name{color:#1ebfa3;}
#page2 .content_item:hover .content_p{color:#1ebfa3;}
#page1 .content_top_category_icon{background-position:-95px -5px;background-size:236px 363px;}
#page1 .content_top_category_name{color:#ff792c;}
#page1 .content_item:hover .content_p{color:#ff792c;}
/* 提示信息 */
.promptInformation{color: #f54747;text-align: justify;height: 20px;line-height: 20px;width: 100%;position: absolute;top: 10px;}
.promptInformation p{width: 1200px;margin: 0 auto;}
.promptInformation span{color: #1695ed;cursor: pointer;user-select: none;}
.promptInformation strong{color: #1ebfa3;}
/* 视频课程的封面右上角图标 */
.content_item_icon{position: absolute;top: 0;right: 0;padding: 2px 6px;border-radius: 0 0 0 4px;background: #ff792c;color: #fff;text-align: center;font-size: 12px;border-left: 1px solid #fff;border-bottom: 1px solid #fff;}

@media screen and (min-width: 1600px){
    .promptInformation p{width: 1380px;}
    /* banner nav */
    .autoCenter{height: 506px;width: 1380px;}
    #nav1{height: 468px;}
    .carousel_inner{width: 1170px;}
    #conter_right{width: 1190px;}
    #center{width: 1380px;}
    #content1{height: 468px;}
    /* 推荐 */
    .recommend{width: 1380px;}
    .recommend .content_item{width: 260px;height: 141px;}
    /* 课程列表 */
    .content{width: 1380px;}
    .content .content_up .content_item{width: 330px;}
    .content .content_up .content_item a{height: 178px;}
    .content .content_up{height: 254px;}
    .boxBackground2{width: 1480px;}
}