.shade_bg{float:left;width:100%;background:rgba(0,0,0,0.4);overflow: hidden;}
.jump_out{position:relative;margin:0 auto;width:998px;height:529px;background:url(cctv/shade_bg.png) no-repeat center;background-size:100%;}
/*按钮*/
#join_btn{position:absolute;line-height:40px;left:442px;bottom:40px;border:solid 1px #fff;width:112px;text-align: center;border-radius: 6px;}
.btn_show{animation: btn_show 1s forwards;}
.btn_hide{animation: btn_hide 1s}
#join_btn a{font-size:14px;display:inline-block;width:100%;height:100%;color:#fff;text-decoration:none;}
.shade_content a{float:right;margin-top:106px;background:#E51A24;margin-right:40px;border-radius:6px;text-align:center;border:solid 1px #E51A24;font-size:14px;display:inline-block;width:112px;line-height:40px;color:#fff;text-decoration:none;}
.shade_content a:hover{float:right;margin-top:106px;background:#8A1218;margin-right:40px;border-radius:6px;text-align:center;border:solid 1px #8A1218;font-size:14px;display:inline-block;width:112px;line-height:40px;color:#b2b2b2;text-decoration:none;}
.close_btn{float:right;color:#fff;text-align:center;width:86px;line-height:24px;font-size:12px;background:#131a1d;border-radius:6px;margin-right:28px;margin-top:28px;}
.count_num{color:#e51a24;}
@keyframes btn_show{
	from{background:rgba(0,0,0,0);}
	to{background:rgba(229,26,36,1);}
}
@keyframes btn_hide{
	from{background:rgba(229,26,36,1);}
	to{background:rgba(0,0,0,0);}
}
.shade_nav{position:absolute;z-index:99999999999;display:none;overflow:hidden;position:fixed;bottom:0;width:100%;height:178px;overflow:hidden;background:rgba(0,0,0,0.4);}
.shade_content{margin:0 auto;width:998px;height:178px;background: url(cctv/shade_nav.png) no-repeat center;}


/* 手机端 */
.mobile_content{margin:0 auto;width:100%;height:5rem;background:url(cctv/shade_nav.png) no-repeat center;background-size:contain;background-color:rgba(0,0,0,0.4);position:fixed;bottom:0.01rem;}
.mobile_content a{text-align:center;text-decoration:none;border-radius:6px;line-height:2rem;display:inline-block;height:2rem;width:4rem;background:red;color:#fff;font-size:0.75rem;float:right;margin-right:1rem;/*position:absolute;bottom:1rem;*/margin-top:2.6rem;}