html,body{font-size: 12px;color: #131313;font-family: "PingFang SC",PingHei,STHeitiSC-Light,tahoma,"Myriad Set Pro","Lucida Grande","Helvetica Neue","microsoft yahei",Helvetica,Arial,Verdana,sans-serif;}
/*内容主体区域*/
.w1170 {
    width: 1170px;
    margin: 0 auto;
    display: block;
    /*overflow: hidden;*/
}
.w980 {
    width: 980px;
    margin: 0 auto;
    display: block;
    overflow: hidden;
}

.footer{
    padding-top: 0!important;
}

/*图片阴影层*/
.bg-mask{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    background:-webkit-linear-gradient(180deg,rgba(0,0,0,0) 0%,rgba(0,0,0,0.5) 100%)!important;
    background:linear-gradient(180deg,rgba(0,0,0,0) 0%,rgba(0,0,0,0.5) 100%)!important;
    background: #242424;
    filter: alpha(opacity=30);
    pointer-events: none;
}
/*图片阴影层*/
.banner-mask{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    background:-webkit-linear-gradient(180deg,rgba(0,0,0,0) 0%,rgba(0,0,0,0.5) 100%)!important;
    background:linear-gradient(180deg,rgba(0,0,0,0) 0%,rgba(0,0,0,0.5) 100%)!important;
    background: #242424;
    filter: alpha(opacity=30);
    pointer-events: none;
}

/*body不能滑动*/
.hidden{
  overflow: hidden !important;
}

.flt{
    float: left;
}
.frt{
    float: right;
}
.cursor{
    cursor: pointer;
}

/*文本省略*/
.ellipsis-1{
    overflow : hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.ellipsis-2{
    overflow : hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.ellipsis-3{
    overflow : hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

/*red红色，yellow黄色，green绿色，purple紫色，blue蓝色，cyan青色，brown棕色*/
.tips_bg.red{
    background-color:#9C1D22;
}
.tips_bg.yellow{
    background-color:#F5A623;
}
.tips_bg.green{
    background-color:#589511;
}
.tips_bg.purple{
    background-color:#814DBA;
}
.tips_bg.blue{
    background-color:#426ACC;
}
.tips_bg.cyan{
    background-color:#24ABAE;
}
.tips_bg.brown{
    background-color:#AF8D71;
}

.details_title{
    font-size: 50px;
}
.library_right_text{
    font-size: 20px;
}
.library_title2 span{
    font-size: 50px;
    color: #191B1C;
}
.library_title2 p{
    font-size: 20px;
    color: #838D8F;
}
/*弹性盒布局start*/
.flex-start{
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: start;
    -moz-box-pack: start;
    -ms-flex-pack: start;
    justify-content: flex-start;
    -webkit-box-align: center;
    -moz-box-align: center;
    -ms-flex-align: center;
    align-items: center;
}
.flex-end{
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: end;
    -moz-box-pack: end;
    -ms-flex-pack: end;
    justify-content: flex-end;
    -webkit-box-align: center;
    -moz-box-align: center;
    -ms-flex-align: center;
    align-items: center;
}
.flex-center{
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
    -moz-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -moz-box-align: center;
    -ms-flex-align: center;
    align-items: center;
}
.flex-between{
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
    -moz-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
    -webkit-box-align: center;
    -moz-box-align: center;
    -ms-flex-align: center;
    align-items: center;
}
.flex-around{
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-pack: distribute;
    justify-content: space-around;
    -webkit-box-align: center;
    -moz-box-align: center;
    -ms-flex-align: center;
    align-items: center;
}
.flex-1{
    -webkit-box-flex: 1;
    -moz-box-flex: 1;
    -ms-flex: 1;
    flex: 1;
}
/*弹性盒布局end*/
/*公用角标样式*/
.marker{
    width: 100%;
    overflow: hidden;
    margin-top: 40px;
}
.marker li{
    padding: 0 13px;
    font-size: 12px;
    color: #7C8088;
    float: left;
    height: 28px;
    line-height: 28px;
    box-sizing: border-box;
    background: #F1F3F5;
    border-radius: 14px;
    margin-left: 10px;
}
/*公用分享样式*/
.share{
    font-size: 14px;
    color: #3B3D40;
    margin-top: 40px;
}
.share img{
    width: 31.5px !important;
    height: 31.5px;
    margin-top: 0 !important;
    margin-left: 12px;
}
/*公用表单样式*/
.registration{
    width: 100%;
    overflow: hidden;
    padding: 40px 30px;
    background: #F5F5F5;
    box-sizing: border-box;
    margin-top: 30px;
}
.registration .title{
    font-size: 12px;
    color: #838D8F;
    text-align: center;
    margin-bottom: 15px;
}
.registration .title span{
    font-size: 24px;
    color: #242424;
    font-weight: 600;
    display: block;
    line-height: 33px;
    margin-bottom: 5px;
}
.registration .username{
    width: 30%;
    overflow: hidden;
    font-size: 14px;
    color: #242424;
    float: left;
    font-weight: 600;
    margin-left: 4%;
}
.registration .username span{
    font-size: 14px;
    color: #9C1D22;
}
.registration .username input{
    width: 100%;
    overflow: hidden;
    border:1px solid rgba(151,151,151,0.25);
    height: 48px;
    padding-left: 15px;
    margin-top: 15px;
    border-radius: 4px;
    box-sizing: border-box;
    color: #B4B4B4;
    line-height: 48px;
}
.registration .code{
    width: 33%;
    overflow: hidden;
    border:1px solid rgba(151,151,151,0.25);
    border-radius: 4px;
    margin-top: 25px;
    float: right;
}
.registration .code input{
    width: 50%;
    height: 48px;
    background: #fff;
    font-size: 14px;
    padding-left: 15px;
    color: #B4B4B4;
    line-height: 48px;
    box-sizing: border-box;
}
.registration .code span{
    float: right;
    width: 50%;
}
.registration .code span input{
    font-size: 14px;
    width: 100%;
    color: #D59600;
    cursor: pointer;
    padding: 0;
    line-height: 48px;
}
.registration .certificate{
    width: 100%;
    overflow: hidden;
    font-size: 14px;
    color: #242424;
    margin-top: 30px;
    font-weight: 600;
}
.registration .certificate2{
    font-weight: 600;
}
.registration .certificate span{
    font-size: 14px;
    color: #9C1D22;
}
.registration .certificate input{
    width: 100%;
    overflow: hidden;
    line-height: 48px;
    border:1px solid rgba(151,151,151,0.25);
    height: 48px;
    padding-left: 15px;
    margin-top: 15px;
    border-radius: 4px;
    box-sizing: border-box;
    color: #B4B4B4;
}
.registration .certificate span input{
    width: 60%;
    color: #B4B4B4;
    float: right;
    line-height: 48px;
}
.registration .certificate select{
    width: 17%;
    overflow: hidden;
    border:1px solid rgba(151,151,151,0.25);
    height: 48px;
    padding-left: 15px;
    margin-top: 15px;
    border-radius: 4px;
    box-sizing: border-box;
    display: block;
    float: left;
    color: #B4B4B4;
    outline: none;
}
.registration .certificate span select{
    float: left;
    margin-left: 3%;
}
.registration .certificate textarea{
    width: 100%;
    height: 134px;
    outline: none;
    resize: none;
    margin-top: 15px;
    border:1px solid rgba(151,151,151,0.25);
    border-radius: 4px;
    font-size: 14px;
    color: #B4B4B4;
    box-sizing: border-box;
    padding: 15px 0 0 15px;
}
.registration_foot{
    font-size: 12px;
    color: #838D8F;
    width: 36%;
    margin: 0 auto;
    margin-top: 15px;
}
.registration_foot img{
    width: 24px;
}
.registration .sign{
    width: 40%;
    overflow: hidden;
    margin: 0 auto;
}
.registration .sign input{
    width: 100%;
    height: 40px;
    background: #9C1D22;
    border-radius: 4px;
    color: #FFFFFF;
    font-size: 14px;
    font-weight: 600;
    margin-top: 15px;
}
/*公共表单样式结束*/

/*公共表单样式2开始*/

.enroll{
    width: 100%;
    overflow: hidden;
    padding: 40px 30px;
    background: #F5F5F5;
    box-sizing: border-box;
    margin-top: 30px;
}
.enroll .title{
    font-size: 12px;
    color: #838D8F;
    text-align: center;
    margin-bottom: 15px;
}
.enroll .title span{
    font-size: 24px;
    color: #242424;
    font-weight: 600;
    display: block;
    line-height: 33px;
    margin-bottom: 5px;
}
.enroll .username{
    width: 30%;
    overflow: hidden;
    font-size: 14px;
    color: #242424;
    float: left;
    font-weight: 600;
    margin-left: 4%;
}
.enroll .username span{
    font-size: 14px;
    color: #9C1D22;
}
.enroll .username input{
    width: 100%;
    overflow: hidden;
    border:1px solid rgba(151,151,151,0.25);
    height: 48px;
    padding-left: 15px;
    margin-top: 15px;
    border-radius: 4px;
    box-sizing: border-box;
    color: #B4B4B4;
    line-height: 48px;
}
.enroll .code{
    width: 33%;
    overflow: hidden;
    border:1px solid rgba(151,151,151,0.25);
    border-radius: 4px;
    margin-top: 25px;
    float: right;
}
.enroll .code input{
    width: 50%;
    height: 48px;
    background: #fff;
    font-size: 14px;
    padding-left: 15px;
    color: #B4B4B4;
    line-height: 48px;
    box-sizing: border-box;
}
.enroll .code span{
    float: right;
    width: 50%;
}
.enroll .code span input{
    font-size: 14px;
    width: 100%;
    color: #D59600;
    cursor: pointer;
    padding: 0;
    line-height: 48px;
}
.enroll .certificate{
    width: 100%;
    overflow: hidden;
    font-size: 14px;
    color: #242424;
    margin-top: 30px;
    font-weight: 600;
}
.enroll .certificate2{
    font-weight: 600;
}
.enroll .certificate span{
    font-size: 14px;
    color: #9C1D22;
}
.enroll .certificate input{
    width: 100%;
    overflow: hidden;
    line-height: 48px;
    border:1px solid rgba(151,151,151,0.25);
    height: 48px;
    padding-left: 15px;
    margin-top: 15px;
    border-radius: 4px;
    box-sizing: border-box;
    color: #B4B4B4;
}
.enroll .certificate span input{
    width: 70%;
    color: #B4B4B4;
    float: right;
    line-height: 48px;
}
.enroll .certificate textarea{
    width: 100%;
    height: 134px;
    outline: none;
    resize: none;
    margin-top: 15px;
    border:1px solid rgba(151,151,151,0.25);
    border-radius: 4px;
    font-size: 14px;
    color: #B4B4B4;
    box-sizing: border-box;
    padding: 15px 0 0 15px;
}
.registration_foot{
    font-size: 12px;
    color: #838D8F;
    width: 36%;
    margin: 0 auto;
    margin-top: 15px;
}
.registration_foot img{
    width: 24px;
}
.enroll .sign{
    width: 40%;
    overflow: hidden;
    margin: 0 auto;
}
.enroll .sign input{
    width: 100%;
    height: 40px;
    background: #9C1D22;
    border-radius: 4px;
    color: #FFFFFF;
    font-size: 14px;
    font-weight: 600;
    margin-top: 15px;
}

/*公共表单样式2结束*/
.fl{
    float: left;
}
.fr{
    float: right;
}

/*头部导航*/
.nav{
    background-color: #fff;
}
.nav_red p{
    color: #9C1D22 !important;
}
.nav .left a.active p,
 .nav .right a.active p{
     color: #9C1D22;
 }

.nav .left{
    float: left;
}
.nav .left a{
    display: block;
    float: left;
    padding: 20px 0;
    margin-right: 45px;
}
.nav .left a:hover p{
    color: #9C1D22;
}
.nav .left a p{
    font-size: 12px;
    color: #1F1F1F;
    font-weight: 300;
    line-height: 16px;
}
.nav .left a p:first-child{
    font-weight: 600;
    margin-bottom: 4px;
}
.nav .right{
    float: right;
}
.nav .right a{
    display: block;
    float: left;
    padding-top: 20px;
    padding-bottom: 20px;
    margin-left: 25px;
    padding-left:30px;
}
.nav .right a:hover p{
    color: #9C1D22;
}
.nav .right a img,
.nav .right a p{
    float: left
}
.nav .right a img{
    display: block;
    float: left;
    width:20px;
    margin-left: -30px;
}
.nav .right a p{
    font-size: 12px;
    color: #1F1F1F;
    font-weight: 600;
    line-height: 20px;
    white-space: nowrap;
}
.nav .right .line{
    float: left;
    width: 1px;
    height: 20px;
    background-color:#DEDEDE;
    margin:20px 0 20px 25px;
}

/*面包屑导航*/
.subnav{
    width: 1170px;
    margin: 0 auto;
    display: block;
    overflow: hidden;
    padding-top: 20px;
    padding-bottom: 20px;
}
.subnav a:hover{
    color: #9C1D22;
}
.subnav a,
.subnav i{
    display: block;
    float: left;
    font-size: 18px;
    color: #191B1C;
    font-weight: 300;
    line-height: 25px;
}
.subnav i{
    margin-left: 10px;
    margin-right: 10px;
}

/*底部面包屑导航*/
.footer-nav{
    font-size: 0;
    line-height: 17px;
    margin-top: 40px;
}
.footer-nav a,
.footer-nav i{
    display: inline-block;
    *display:inline;
    *zoom:1;
    font-size: 12px;
    color: #191B1C;
    font-weight: 300;
    vertical-align: middle;
}
.footer-nav a:hover{
    color: #9C1D22;
}

/*视频弹窗start*/
.video_player{
    display: none;
}
.video_player .video_mask{
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.95)!important;
    background: #000;
    filter: alpha(opacity=95);
    z-index:1000;
}
.video_player .video_close{
    position: fixed;
    top: 0;
    right: 0;
    z-index: 1200;
    cursor: pointer;
    width: 69px;
}
.video_player .video_close img{
    display: block;
    width: 100%;
}
.video_player .video_content{
    width: 980px;
    height: 600px;
    overflow: hidden;
    position: fixed;
    top: 50%;
    left: 50%;
    margin-top: -300px;
    margin-left: -490px;
    z-index: 1100;
}
/*视频弹窗end*/