::selection{background:#ff8018; color:white;}
::-moz-selection{background:#ff8018; color:white;}
::-webkit-selection{background:#ff8018; color:white;}
*{margin: 0px;padding: 0px;font-family: "兰亭粗黑简体","微软雅黑","Arial"}
ul{list-style:none;}
.floor{max-width: 1920px;margin: auto;}
.disc_list{list-style:disc;padding-left:18px;margin-bottom:0}
/*通用字号*/
.font-12{font-size:12px}
.font-14{font-size:14px;margin-bottom:0;line-height:1.8}
.font-15{font-size:15px;margin-bottom:0;}
.font-16{font-size:16px;font-weight:500;margin-top:0;margin-bottom:0;line-height:1.8}
.font-18{font-size:18px;font-weight:500;line-height:1.5}
.font-20{font-size:20px;font-weight:500;line-height:1.8}
.font-22{font-size:22px;font-weight:500;line-height:1.8}
.font-24{font-size:24px;}
.font-28{font-size:28px;}
.font-30{font-size:30px}
.font-36{font-size:36px}
.none{display: none;}
.to_fixed{position:fixed}
a:link,a:hover,a:active,a:visited{text-decoration: none;}
.row {margin: 0;padding: 0.1em;}
.small_play{width:50px;position:absolute;bottom:10px;left:10px;transition:all .3s;opacity:0.5;border-radius:50%;border:1px solid #8e98d2}

/*弹窗后的视频*/
#v_pop_box{z-index:99999;top:-500px;position:fixed;left:0;right:0;margin:0 auto;transition:all .5s;width:640px;height:360px;background:white;padding-top:50px;}
.dark_pop{width:100%;position:absolute;top:0;left:0;z-index:99998;background:#3d3b3c;opacity:0;transition:opacity .5s} /*总之要比弹窗视频低一点*/
#video_watching{padding-right:1px;background:white;}
.close_btn{position:absolute;top:5px;right:5px;width:30px;transition:all .3s;border-radius:50%;padding:5px}
.close_btn:hover{cursor:pointer;background:#f44336;}

/*通用距离*/
.m_t_15{margin-top:15px}
.m_t_30{margin-top: 30px}
.m_t_50{margin-top: 50px}
.m_b_15{margin-bottom:15px}
.m_b_30{margin-bottom:30px}
.m_b_50{margin-bottom:50px}

.p_t_15{padding-top:15px}
.p_t_30{padding-top: 30px}
.p_t_50{padding-top: 50px}
.p_b_15{padding-bottom:15px}
.p_b_30{padding-bottom: 30px}
.p_b_50{padding-bottom: 50px}

/*尾部*/
#pc_footer{display:block}
#app_footer{display:none}

#pc_footer{background:#353535;color:#B0B0B0;height:120px;padding-top:40px;max-width: 1920px;margin: auto;}
#footer{display: flex;align-items: center;}
#footer:after{clear:both;display:table;content:" "}
#footer img{width:40px}
#footer p{margin:0 0 0 30px;font-size:16px;font-weight:500;color:white;}
#footer_sub{display: inline-flex;align-items: center;margin: auto;}

@media screen and (min-width: 768px) and (max-width: 991px){
    .font-36{font-size:28px;font-weight:600}
    .font-30{font-size:26px;font-weight:600}
    .font-24{font-size:22px;}
    .font-20{font-weight:600}
    .font-16{font-size:14px;font-weight:500}
}
@media screen and (max-width: 767px){
    .font-36{font-size:20px;font-weight:600}
    .font-24{font-size:18px;}
    .font-20{font-weight:600}
    .font-16{font-size:14px;font-weight:500}

    #pc_footer{display:none}
    #app_footer{display:block}

    #app_footer{background:#353535;color:white;}
    #foot_box img{width:20px}
    #foot_box span{font-size:12px;line-height:40px}
    /*缩小文字*/
    #foot_box{width:500px;height:40px;transform:scale(0.6);margin-left:-88px}
}