html {
    line-height: 1.15;
    -ms-text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
    width: 100%;
    height: 100%;
  }
  
  body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    background-color: #fff;
  }
  *{
    -webkit-overflow-scrolling: touch;
  }
  
  * { touch-action: pan-y; } 
  
  input,button,select,textarea,a{
    outline:none;
    -webkit-tap-highlight-color:rgba(0,0,0,0);
  }
  article, aside, footer, header, nav, section {
    display: block
  }
  div::-webkit-scrollbar {
    width: 0;
  }  
  h1 {
    margin: .67em 0;
    font-size: 2em
  }
  
  figcaption, figure, main {
    display: block
  }
  
  figure {
    margin: 1em 40px
  }
  
  hr {
    overflow: visible;
    box-sizing: content-box;
    height: 0
  }
  
  pre {
    font-size: 1em;
    font-family: monospace
  }
  
  button {
    background: transparent;
  }
  
  a {
    background-color: transparent;
    -webkit-text-decoration-skip: objects
  }
  
  abbr[title] {
    border-bottom: none;
    text-decoration: underline;
    text-decoration: underline dotted
  }
  
  b, strong {
    font-weight: inherit;
    font-weight: bolder
  }
  
  code, kbd, samp {
    font-size: 1em;
    font-family: monospace
  }
  
  dfn {
    font-style: italic
  }
  
  mark {
    background-color: #ffff00;
    color: #000000
  }
  
  small {
    font-size: 80%
  }
  
  sub, sup {
    position: relative;
    vertical-align: baseline;
    font-size: 75%;
    line-height: 0
  }
  
  sub {
    bottom: -.25em
  }
  
  sup {
    top: -.5em
  }
  
  audio, video {
    display: inline-block
  }
  
  audio:not([controls]) {
    display: none;
    height: 0
  }
  
  img {
    border-style: none
  }
  
  svg:not(:root) {
    overflow: hidden
  }
  
  button, input, optgroup, select, textarea {
    margin: 0;
    font-size: 100%;
    font-family: sans-serif;
    line-height: 1.15
  }
  
  button, input {
    overflow: visible;
    border: none;
    outline: none;
  }
  button, select {
    text-transform: none;
    outline: none;
    border: none;
  }
  
  [type=reset], [type=submit], button, html [type=button] {
    -webkit-appearance: button
  }
  
  [type=button]::-moz-focus-inner, [type=reset]::-moz-focus-inner, [type=submit]::-moz-focus-inner, button::-moz-focus-inner {
    padding: 0;
    border-style: none
  }
  
  [type=button]:-moz-focusring, [type=reset]:-moz-focusring, [type=submit]:-moz-focusring, button:-moz-focusring {
    outline: 1px dotted ButtonText
  }
  
  fieldset {
    padding: .35em .75em .625em
  }
  
  legend {
    display: table;
    box-sizing: border-box;
    padding: 0;
    max-width: 100%;
    color: inherit;
    white-space: normal
  }
  
  progress {
    display: inline-block;
    vertical-align: baseline
  }
  
  textarea {
    overflow: auto
  }
  
  [type=checkbox], [type=radio] {
    box-sizing: border-box;
    padding: 0
  }
  
  [type=number]::-webkit-inner-spin-button, [type=number]::-webkit-outer-spin-button {
    height: auto
  }
  
  [type=search] {
    outline-offset: -2px;
    -webkit-appearance: textfield
  }
  
  [type=search]::-webkit-search-cancel-button, [type=search]::-webkit-search-decoration {
    -webkit-appearance: none
  }
  
  ::-webkit-file-upload-button {
    font: inherit;
    -webkit-appearance: button
  }
  
  details, hgroup, menu, address {
    display: block
  }
  
  summary {
    display: list-item
  }
  
  canvas {
    display: inline-block
  }
  
  [hidden], template {
    display: none
  }
  
  /*! reset */
  html, body, h1, h2, h3, h4, h5, h6, div, dl, dt, dd, ul, ol, li, p, blockquote, pre, hr, figure, table, caption, th, td, form, fieldset, legend, input, button, textarea, menu {
    margin: 0;
    padding: 0;
  }
  
  table {
    border-collapse: collapse;
    border-spacing: 0
  }
  
  caption, th {
    text-align: left;
    font-weight: normal
  }
  
  html, body, fieldset, img, iframe, abbr {
    border: 0
  }
  
  i, cite, em, var, address, dfn {
    font-style: normal
  }
  
  [hidefocus], summary {
    outline: 0
  }
  
  li {
    list-style-type: none;
  }
  
  h1, h2, h3, h4, h5, h6, small {
    font-size: 100%
  }
  
  sup, sub {
    font-size: 83%
  }
  
  pre, code, kbd, samp {
    font-family: inherit
  }
  
  q:before, q:after {
    content: none
  }
  
  textarea {
    overflow: auto;
    resize: none
  }
  
  label, summary {
    cursor: default
  }
  
  a, button {
    cursor: pointer
  }
  
  h1, h2, h3, h4, h5, h6, em, strong, b {
    font-weight: bold
  }
  
  del, ins, u, s, a, a:hover {
    text-decoration: none
  }
  
  body, textarea, input, button, select, keygen, legend {
    font-size: 12px;
    font-family: PingFang SC, Helvetica Neue, Helvetica, Arial, Hiragino Sans GB, Microsoft Yahei, \\5FAE\8F6F\96C5\9ED1, STHeiti, sans-serif
  }