div,
p,
ul,
ol,
li,
span,
i,
h1,
h1,
h3,
h4,
h5,
h6 {
  font-family: 'Microsoft Yahei';
}

a {
  text-decoration: none;
}

a:link {
  text-decoration: none;
}

a:visited {
  text-decoration: none;
}

a:hover {
  text-decoration: none;
}

@media screen and (min-width: 540px) {
  body {
    width: 10rem;
    border: 0.015625rem solid #e4e6ea;
    margin: 0 auto;
  }

  .nar_bottom {
    width: 10rem;
    border: 0.015625rem solid #e4e6ea;
    margin: 0 auto;
  }

  .about_us > footer {
    width: 10rem;
    border: 0.015625rem solid #e4e6ea;
    margin: 0 auto;
  }
}

div,
p,
ul,
ol,
li,
span,
i,
h1,
h1,
h3,
h4,
h5,
h6 {
  font-family: 'Microsoft Yahei';
}

a {
  text-decoration: none;
}

a:link {
  text-decoration: none;
}

a:visited {
  text-decoration: none;
}

a:hover {
  text-decoration: none;
}

@media screen and (min-width: 540px) {
  body {
    width: 10rem;
    border: 0.015625rem solid #e4e6ea;
    margin: 0 auto;
  }

  .nar_bottom {
    width: 10rem;
    border: 0.015625rem solid #e4e6ea;
    margin: 0 auto;
  }

  .about_us > footer {
    width: 10rem;
    border: 0.015625rem solid #e4e6ea;
    margin: 0 auto;
  }
}

.about_us footer {
  height: 1.296875rem;
  line-height: 1.296875rem;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: horizontal;
  -webkit-box-direction: normal;
  -ms-flex-direction: row;
  flex-direction: row;
}

.about_us footer div {
  color: #fff;
  height: 100%;
  width: 50%;
  text-align: center;
  font-size: 0.5rem;
}

.about_us footer div:first-child {
  background: #44bffc;
}

.about_us footer div:last-child {
  background: #00aeff;
}

.about_us footer img {
  width: 0.5625rem;
  height: 0.5625rem;
  margin-right: 0.21875rem;
  vertical-align: middle;
}

.about_us header {
  position: relative;
}

.about_us header .logo {
  width: 2.78125rem;
  height: 0.625rem;
  padding: 0.4375rem 0.375rem;
}

.about_us header .back {
  width: 0.6875rem;
  height: 0.609375rem;
  position: absolute;
  right: 0;
  margin-right: 0.28125rem;
  top: 50%;
  -webkit-transform: translate(0, -50%);
  -ms-transform: translate(0, -50%);
  transform: translate(0, -50%);
}

.about_us .head {
  background: #f1f2f5;
  height: 2.46875rem;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
}

.about_us .head .head_pic {
  width: 1.75rem;
  height: 1.75rem;
  margin: 0 0.46875rem 0 0.625rem;
}

.about_us .head h1 {
  font-size: 0.5625rem;
  color: #333;
}

.about_us .head p {
  font-size: 0.4375rem;
  color: #999;
}

.about_us .code {
  height: 12.5rem;
  position: relative;
}

.about_us .code a {
  font-size: 0.4375rem;
  color: #00aeff;
}

.about_us .code p {
  margin: 0.40625rem 0 0.25rem;
  font-size: 0.4375rem;
  color: #999;
}

.about_us .code img {
  width: 5.9375rem;
  height: 5.9375rem;
}

.about_us .code .box {
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  text-align: center;
}