#topNav{font-family:微软雅黑;z-index:50;position:fixed;width:100%;height:140px;padding-left:205px;box-sizing:border-box}#topNav .first-line,#topNav .second-line{position:relative;width:100%;display:flex;align-items:center;box-sizing:border-box}#topNav .first-line{background-color:#fff;height:82px}#topNav .first-line .logo{width:555px;height:35px;position:absolute;left:20px}#topNav .first-line .logo img{width:100%;height:100%}#topNav .first-line .info{position:absolute;right:72px;display:flex;align-items:center}#topNav .first-line .info span{margin-right:20px;font-size:20px}#topNav .second-line{height:50px;background-color:#f1f4f8;display:flex;position:relative}#topNav .second-line .choice{font-size:18px;position:absolute;left:30px;display:flex}#topNav .second-line .choice span{line-height:30px}#topNav .second-line .choice div a{font-family:微软雅黑;font-weight:500;text-decoration:none;display:inline-block;line-height:30px;font-size:16px;box-sizing:border-box;width:85px;height:30px;padding:0 10px;margin:0 10px;border-radius:5px;color:#b2b2b2;background-color:transparent}#topNav .second-line .choice div .show{color:#fff;background-color:#4063ff}#topNav .second-line .choice div:before{content:"|";padding:0 10px;line-height:30px}#topNav .second-line .hint{position:absolute;width:250px;height:40px;background:rgba(255,255,0,.8);border-top-left-radius:20px;border-bottom-left-radius:20px;right:0;display:flex;align-items:center;cursor:pointer}#topNav .second-line .hint>.img{margin-left:8px;margin-top:1px}#topNav .second-line .hint>.scrollText{width:200px;height:100%;margin-left:20px;display:flex;align-items:center}#topNav .second-line .hint>.scrollText>marquee{font-size:20px;color:#a10000;margin-bottom:2px}