html,
body {
    width: 100%;
    height: 100%;
    font-family: 'Helvetica Neue', Helvetica, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    margin: 0;
    padding: 0;
}
* {
    margin: 0;
    padding: 0;
    -webkit-overflow-scrolling: touch;
    -webkit-tap-highlight-color: 0;
}
