html,
body {
  font: 14px/1.5 STHeiti, Microsoft YaHei, Helvetica, Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  color: #000;
  font-size: calc(13.33333333vw);
}
body {
  font-family: PingFangSC-Regular, Microsoft YaHei, Helvetica;
  background: #f5f7f9;
}

body,
div,
li,
ol,
p,
td,
th,
ul {
  margin: 0;
  padding: 0;
}

article,
aside,
footer,
header,
hgroup,
main,
nav,
section {
  display: block;
}

li {
  list-style: none;
}

img {
  border: 0;
  max-width: 100%;
  height: auto !important; /* auto必须，否则原图片有设定height,图片就会被压缩  */
  -webkit-touch-callout: none; /* 当你触摸并按住触摸的目标，比如一个链接，Safari浏览器将显示链接有关的系统默认菜单。这个属性可以让你禁用系统默认菜单。 */
}

table {
  border-spacing: 0;
  border-collapse: collapse;
}

:focus {
  outline: 0;
}

:link,
:visited {
  text-decoration: none;
}

a:active,
a:hover {
  outline: 0;
}

.fn-clear:after {
  display: block;
  clear: both;
  height: 0;
  font-size: 0;
  content: "";
}

.fn-left {
  float: left;
}

.fn-right {
  float: right;
}

.show {
  display: block !important;
}

.hide {
  display: none !important;
}

.visible {
  visibility: visible;
}

.invisible {
  visibility: hidden;
}

.text-left {
  text-align: left;
}

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.text-hide {
  border: 0;
  background-color: transparent;
  font: 0/0 a;
  color: transparent;
  text-shadow: none;
}

.text-ellipsis {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

input,
select {
  outline: none;
  border: none;
}

/* input[type="date"] */

input[type="date"] {
  position: relative;
}

::-webkit-clear-button,
::-webkit-inner-spin-button {
  display: none;
}

::-webkit-datetime-edit-fields-wrapper {
  background-color: none;
}

::-webkit-calendar-picker-indicator {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: auto;
  height: auto;
  color: transparent;
  background: transparent;
}

@media screen and (max-width: 320px) {
  html {
    font-size: 42.667px;
    font-size: calc(13.33333333vw);
  }
}
@media screen and (min-width: 321px) and (max-width: 360px) {
  html {
    font-size: 48px;
    font-size: calc(13.33333333vw);
  }
}
@media screen and (min-width: 361px) and (max-width: 375px) {
  html {
    font-size: 50px;
    font-size: calc(13.33333333vw);
  }
}
@media screen and (min-width: 376px) and (max-width: 393px) {
  html {
    font-size: 52.4px;
    font-size: calc(13.33333333vw);
  }
}
@media screen and (min-width: 394px) and (max-width: 412px) {
  html {
    font-size: 54.93px;
    font-size: calc(13.33333333vw);
  }
}
@media screen and (min-width: 413px) and (max-width: 414px) {
  html {
    font-size: 55.2px;
    font-size: calc(13.33333333vw);
  }
}
@media screen and (min-width: 415px) and (max-width: 480px) {
  html {
    font-size: 64px;
    font-size: calc(13.33333333vw);
  }
}
@media screen and (min-width: 481px) and (max-width: 540px) {
  html {
    font-size: 72px;
    font-size: calc(13.33333333vw);
  }
}
@media screen and (min-width: 541px) and (max-width: 640px) {
  html {
    font-size: 85.33px;
    font-size: calc(13.33333333vw);
  }
}
@media screen and (min-width: 641px) and (max-width: 720px) {
  html {
    font-size: 96px;
    font-size: calc(13.33333333vw);
  }
}
@media screen and (min-width: 721px) and (max-width: 768px) {
  html {
    font-size: 102.4px;
    font-size: calc(13.33333333vw);
  }
}
@media screen and (min-width: 769px) {
  html {
    font-size: 102.4px;
    font-size: calc(13.33333333vw);
  }
}