@media screen and (max-width: 320px) {
  html {
    font-size: 42.667px !important;
  }
}
@media screen and (min-width: 321px) and (max-width: 360px) {
  html {
    font-size: 48px !important;
  }
}
@media screen and (min-width: 361px) and (max-width: 375px) {
  html {
    font-size: 50px !important;
  }
}
@media screen and (min-width: 376px) and (max-width: 393px) {
  html {
    font-size: 52.4px !important;
  }
}
@media screen and (min-width: 394px) and (max-width: 412px) {
  html {
    font-size: 54.93px !important;
  }
}
@media screen and (min-width: 413px) and (max-width: 414px) {
  html {
    font-size: 55.2px !important;
  }
}
@media screen and (min-width: 415px) {
  html {
    font-size: 60px !important;
  }
}
html {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Pingfang SC", "Microsoft Yahei", "WenQuanYi Micro Hei", Arial, sans-serif;
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  width: 100%;
  height: 100%;
  margin: 0 auto;
  font-size: 50px;
}
body {
  width: 100%;
  height: 100%;
  margin: 0 auto;
  background: #f4f4f4;
  color: #333;
  font-size: 0.28rem;
  position: relative;
  /* IOS禁止微信调整字体大小 */
  -webkit-text-size-adjust: 100% !important;
  text-size-adjust: 100% !important;
  -moz-text-size-adjust: 100% !important;
}
div,
sub,
sup,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
tt,
var,
u,
center,
ul,
li,
fieldset,
form,
label,
legend,
caption,
article,
aside,
canvas,
details,
embed,
figure,
figcaption,
footer,
header,
hgroup,
menu,
nav,
output,
ruby,
section,
summary,
time,
mark,
audio,
video {
  margin: 0;
  padding: 0;
  border: 0;
  display: block;
}
ol,
ul,
li {
  list-style: none;
}
a {
  text-decoration: none;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  color: #333;
}
a:hover {
  outline: none;
}
a:focus {
  outline: none;
}
.wrap {
  max-width: 10rem;
  margin: 0 auto;
  -webkit-overflow-scrolling: touch;
  -moz-overflow-scrolling: touch;
  -ms-overflow-scrolling: touch;
  -o-overflow-scrolling: touch;
  overflow-scrolling: touch;
}
.wrap.unscroll {
  -webkit-overflow-scrolling: unset;
  -moz-overflow-scrolling: unset;
  -ms-overflow-scrolling: unset;
  -o-overflow-scrolling: unset;
  overflow-scrolling: unset;
}
.span-inline span {
  display: inline-block;
}
.body-fixed {
  position: fixed;
  width: 100%;
}
.wrap-white {
  background: #fff;
}
.body-fixed {
  position: fixed;
  width: 100%;
}
select {
  border: none;
  appearance: none;
  -moz-appearance: none;
  -webkit-appearance: none;
  background: transparent;
  padding-right: 14px;
}
/*清除ie的默认选择框样式清除，隐藏下拉箭头*/
select::-ms-expand {
  display: none;
}
button,
input,
select,
option {
  outline: none;
  border: none;
}