*{margin: 0;padding: 0;font-family: -apple-system,SF UI Text,Arial,PingFang SC,Hiragino Sans GB,Microsoft YaHei,WenQuanYi Micro Hei,sans-serif;font-weight: normal;}
	input,button{border: none;}
	input:focus,button:focus {
	    outline:none;
	}
a{text-decoration: none;}
ul,li{list-style: none;}
#header{height: 0.37rem;width: 100vw;}
.content{margin: 0 0.6rem 0 0.6rem;}
.back{height: .9rem;width: 100vw;position: relative;line-height: 0.9rem;}
.back a{position: absolute;left: .31rem;top: 0.24rem;}
.back img{width: 0.26rem;display: block;}
.title{font-size: 0.36rem;color: black;text-align: center;}
.level{background-position: 0 0;width: 100vw;padding-top: 0.3rem;}
.level h2{font-size: 0.36rem;font-weight: normal;line-height: 1rem;border-bottom: 2px solid #ededed;}
html {background: #fff;}
.sub{width: 100%;display: block;height: 0.9rem;border-radius: 0.45rem;text-align: center;line-height: 0.9rem;color: white;font-size: 0.32rem;list-style: none;border: none;margin-top: 1rem;background: #FF4F64;box-shadow: 4px 2px 9px 0 #FF4F64;}
.subBtn{width: 6.25rem;display: block;height: 0.9rem;border-radius: 0.45rem;text-align: center;color: white;font-size: 0.34rem;list-style: none;border: none;position: fixed;bottom: 1.28rem;left: 0.64rem;background: #FF4F64;box-shadow: 4px 2px 9px 0 #FF4F64;border-radius: 100px;line-height: 0.35rem;}
.subBtn span{font-size: 10px;}