.container{margin:0 auto;width:1200px}*,:after,:before{box-sizing:border-box;margin:0;padding:0}body{background-color:#fff;color:#333;cursor:default;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Helvetica,Arial,sans-serif}menu,ol,ul{list-style:none}a{color:inherit;text-decoration:none}button,input,select,textarea{background:none;border:none;font:inherit}button{cursor:pointer}table{border-collapse:collapse}