body,html{width:100%}body{font-size:14px;line-height:1.5;color:#333;font-family:Helvetica Neue,Helvetica,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Arial,sans-serif}*{margin:0;padding:0;-webkit-tap-highlight-color:rgba(0,0,0,0)}:after,:before{-webkit-box-sizing:border-box;box-sizing:border-box}button,input,select,textarea{outline:none;border:none}a{text-decoration:none;color:#000}a:hover{text-decoration:underline;cursor:pointer}ul{display:block;list-style-type:none}#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center;color:#2c3e50}.section-inner{width:900px;margin:0 auto}