html {
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}
body,
dd,
dl,
dt,
h1,
h2,
h3,
h4,
h5,
h6,
p,
ul {
  margin: 0;
  padding: 0;
}
body {
  font-size: 100% !important;
}
rem {
  font-style: normal;
}
ul {
  list-style: none;
}
img {
  max-width: 100%;
  vertical-align: middle !important;
}
i {
  font-style: normal;
}
article,
aside,
details,
figcaption,
figure,
footer,
header,
menu,
nav,
section {
  display: block;
}
body {
  min-width: 320px;
  background: #f2f2f2;
  color: #000000;
  text-align: left;
  font-family: microsoft Yahei,Arial;
}
body a {
  outline: none;
}
li {
  list-style: none;
}
a {
  color: #000000;
  text-decoration: none;
}
a:visited {
  text-decoration: none;
}
a:hover {
  color: #000000;
  text-decoration: none;
}
a:active {
  color: #000000;
}
p {
  color: #262626;
  font-size: 1rem;
  line-height: 1.5rem;
}
/*去除黄线*/
input,
button,
select,
textarea {
  outline: none;
}
.clearfix:after {
  clear: both;
  display: block;
  visibility: hidden;
  overflow: hidden;
  height: 0;
  content: ".";
}
.center {
  text-align: center;
}
.left {
  float: left;
}
.right {
  float: right;
}
.relative {
  position: relative;
}
.absolute {
  position: absolute;
}
.wrapper {
  background: #ffffff;
  padding: 0;
}
.mc {
  margin: 0 auto;
}
.red {
  color: #FF0000;
}
.hidden {
  display: none;
}
.blank1 {
  clear: both;
  display: block;
  overflow: hidden;
  height: 1px;
  border-bottom: 1px solid #ccc;
  font-size: 1px;
}
.blank5 {
  clear: both;
  display: block;
  overflow: hidden;
  height: .2rem;
  font-size: 1px;
}
.blank9 {
  clear: both;
  display: block;
  overflow: hidden;
  height: .375rem;
}
.blank10 {
  clear: both;
  display: block;
  overflow: hidden;
  height: .41666rem;
}
.blank12 {
  clear: both;
  display: block;
  overflow: hidden;
  height: .5rem;
}
.blank15 {
  clear: both;
  display: block;
  overflow: hidden;
  height: .65rem;
}
.blank20 {
  clear: both;
  display: block;
  overflow: hidden;
  height: .8333rem;
}
.blank40 {
  clear: both;
  display: block;
  overflow: hidden;
  height: 1.5rem;
}
.blank60 {
  clear: both;
  display: block;
  overflow: hidden;
  height: 2.5rem;
}
.w1200 {
  width: 1200px;
}
.w1400 {
  width: 1340px;
}
.btn {
  cursor: pointer;
}
/*css start*/
/*css end*/
@media only screen and (min-width: 1280px) {
  body {
    font-size: 14px;
  }
  .container {
    width: 100%;
  }
}
@media only screen and (min-width: 1280px) {
  body {
    font-size: 24px !important;
  }
  .container {
    width: 640px;
  }
}
@media only screen and (min-width: 640px) and (max-width: 1279px) {
  body {
    font-size: 24px !important;
  }
  .container {
    width: 640px;
  }
}
@media only screen and (min-width: 480px) and (max-width: 639px) {
  body {
    font-size: 20px !important;
  }
  .container {
    width: 100%;
  }
}
@media only screen and (min-width: 375px) and (max-width: 479px) {
  body {
    font-size: 14px !important;
  }
  .container {
    width: 100%;
  }
  .dn {
    display: none;
  }
}
@media only screen and (min-width: 360px) and (max-width: 374px) {
  body {
    font-size: 13px !important;
  }
  .container {
    width: 100%;
  }
  .dn {
    display: none;
  }
  .dn2 {
    display: none;
  }
}
@media only screen and (min-width: 320px) and (max-width: 359px) {
  body {
    font-size: 12px !important;
  }
  .container {
    width: 100%;
  }
  .dn {
    display: none;
  }
  .dn2 {
    display: none;
  }
  .dn3 {
    display: none;
  }
}