/** 基础样式 **/
html, body {
  min-height: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: #333;
  font-size: 24px;
  line-height: 33px;
  user-select: none;
  font-family: -apple-system, BlinkMacSystemFont,
    "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell",
    "Fira Sans", "Droid Sans", "Helvetica Neue",
    sans-serif;
}
body {
  -webkit-text-size-adjust: none;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}
body, h1, h2, h3, h4, h5, h6, hr, p, a, span, i, b, section, article, sub, sup, strong
blockquote, dl, dt, dd, ul, ol, li, pre,
form, fieldset, legend, button, input, select, textarea, label,
th, td, img, div, header, footer, nav,
address, cite, dfn, var {
  margin: 0;
  padding: 0;
  border: 0;
  font-weight: normal;
  list-style: none;
  font-style: normal;
  text-decoration: none;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
  -webkit-font-smoothing: antialiased;
  &::before,
  &::after {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
  }
}
h1, .font-34 {
  font-size: 34px;
  line-height: 48px;
  font-weight: 500;
}
h2, .font-32 {
  font-size: 32px;
  line-height: 45px;
  font-weight: 500;
}
h3, .font-30 {
  font-size: 30px;
  line-height: 42px;
  font-weight: 500;
}
h4, .font-28 {
  font-size: 28px;
  line-height: 40px;
  font-weight: 400;
}
h5, .font-24 {
  font-size: 24px;
  line-height: 33px;
  font-weight: 400;
}
h6, .font-22 {
  font-size: 22px;
  line-height: 30px;
  font-weight: 400;
}
button, input, select, textarea {
  -webkit-appearance: none;
  outline: none;
  background: none;
  border: none;
}
::-webkit-input-placeholder {
  font-size: 32px;
  color: #EBEBED;
}
code, kbd, pre, samp {
  font-family: couriernew, courier, monospace;
}
a {
  display: block;
  color: #333;
  text-decoration: none;
}
sup {
  vertical-align: text-top;
}
sub {
  vertical-align: text-bottom;
}
fieldset,
img {
  border: 0;
}
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track-piece {
  background-color: rgba(0, 0, 0, 0.2);
  border-radius: 6px;
}
::-webkit-scrollbar-thumb:vertical {
  height: 6px;
  background-color: rgba(125, 125, 125, 0.7);
  border-radius: 6px;
}
::-webkit-scrollbar-thumb:horizontal {
  width: 6px;
  background-color: rgba(125, 125, 125, 0.7);
  border-radius: 6px;
}