/*base 声明*/

html {
  font-family: sans-serif;
  -ms-text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%
}

body {
  font: 14px/1.4 "Helvetica Neue", Helvetica, Arial, sans-serif;
  /* background: #eee; */
  background: #fff;
  font-family: "微软雅黑";
}

body * {
  -webkit-text-size-adjust: none
}


*,
*:before,
*:after {
  box-sizing: border-box
}

body,
ul,
ol,
p,
dl,
dt,
h1,
h2,
h3,
h4,
h5,
h6,
blockquote,
input,
button,
form,
pre {
  margin: 0;
  padding: 0
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: 100%
}

ul,
ol {
  list-style: none;
  list-style-position: inside
}

article,
aside,
details,
figcaption,
figure,
footer,
header,
main,
menu,
nav,
section,
summary {
  display: block
}

audio,
canvas,
progress,
video {
  display: inline-block;
  vertical-align: baseline
}

audio:not([controls]) {
  display: none;
  height: 0
}

[hidden],
template {
  display: none
}

a {
  background-color: transparent;
  text-decoration: none
}

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

abbr[title] {
  border-bottom: none;
  text-decoration: underline;
  text-decoration: underline dotted
}

b,
strong {
  font-weight: inherit
}

b,
strong {
  font-weight: bolder
}

dfn {
  font-style: italic
}

mark {
  background-color: #ff0;
  color: #000
}

small {
  font-size: 80%
}

sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline
}

sup {
  top: -0.5em
}

sub {
  bottom: -0.25em
}

img {
  border: 0
}

svg:not(:root) {
  overflow: hidden
}

figure {
  margin: 1em 40px
}

hr {
  box-sizing: content-box;
  height: 0;
  overflow: visible
}

pre {
  overflow: auto
}

code,
kbd,
pre,
samp {
  font-family: monospace, monospace;
  font-size: 1em
}

button,
input,
optgroup,
select,
textarea {
  font: inherit;
  margin: 0
}

button {
  overflow: visible
}

button,
select {
  text-transform: none
}

button,
html input[type="button"],
input[type="reset"],
input[type="submit"] {
  -webkit-appearance: button;
  /*cursor: pointer*/
}

button[disabled],
html input[disabled] {
  cursor: default
}

button::-moz-focus-inner,
input::-moz-focus-inner {
  border: 0;
  padding: 0
}

button:-moz-focusring,
input:-moz-focusring {
  outline: 1px dotted ButtonText
}

input[type="checkbox"],
input[type="radio"] {
  box-sizing: border-box;
  padding: 0
}

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  height: auto
}

input[type="search"] {
  -webkit-appearance: textfield
}
input {
  -webkit-tap-highlight-color:rgba(255,0,0,0);
}
input[type="search"]::-webkit-search-cancel-button,
input[type="search"]::-webkit-search-decoration {
  -webkit-appearance: none
}

fieldset {
  border: 1px solid #c0c0c0;
  margin: 0 2px;
  padding: 0.35em 0.625em 0.75em
}

legend {
  border: 0;
  padding: 0
}

textarea {
  overflow: auto
}

optgroup {
  font-weight: bold
}


html,
body {
  height: 100%;
  /* background-color: #f7f7f7; */
  background-color: #fff;
}

a {
  -webkit-tap-highlight-color: rgba(255, 255, 255, 0);
}
/*字体*/
@media screen and (min-width:320px) {
  html {
      font-size: 21.33px !important;
  }

  body {
      font-size: 12px;
  }
}

@media screen and (min-width:360px) {
  html {
      font-size: 24px !important;
  }

  body {
      font-size: 12px;
  }
}

@media screen and (min-width:375px) {
  html {
      font-size: 25px !important;
  }

  body {
      font-size: 12px;
  }
}

@media screen and (min-width:384px) {
  html {
      font-size: 25.6px !important;
  }

  body {
      font-size: 14px;
  }
}

@media screen and (min-width:400px) {
  html {
      font-size: 26.67px !important;
  }

  body {
      font-size: 14px;
  }
}

@media screen and (min-width:414px) {
  html {
      font-size: 27.6px !important;
  }

  body {
      font-size: 14px;
  }
}

@media screen and (min-width:424px) {
  html {
      font-size: 28.27px !important;
  }

  body {
      font-size: 14px;
  }
}

@media screen and (min-width:480px) {
  html {
      font-size: 32px !important;
  }

  body {
      font-size: 15.36px;
  }
}

@media screen and (min-width:540px) {
  html {
      font-size: 36px !important;
  }

  body {
      font-size: 17.28px;
  }
}

@media screen and (min-width:720px) {
  html {
      font-size: 48px !important;
  }

  body {
      font-size: 23.04px;
  }
}

@media screen and (min-width:750px) {
  html {
      font-size: 50px !important;
  }

  body {
      font-size: 24px;
  }
}
body.overflow {
  overflow-y: hidden;
}
.fl {
  float: left;
}
.fr {
  float: right;
}
.main {
  max-width: 750px;
  margin: 0 auto;
  background: white;
  padding-bottom: 0.01rem;
}