body {
  margin: 0 auto;
  padding: 0;
  font-family: Microsoft YaHei;
  background-color: #fff;
  font-size: 100%;
}
@media all and (min-width: 640px) {
  body {
    width: 640px;
    margin: 0 auto;
  }
}
html,
h1,
h2,
h3,
h4,
h5,
dl,
dd,
dt,
ul,
li,
ol,
span,
p {
  margin: 0;
  padding: 0;
}
select {
  border: 0 none;
}
a {
  text-decoration: none;
}
input,
textarea,
select {
  outline: none;
  border: 0 none;
  padding: 0;
  margin: 0;
}
ul,
li {
  list-style: none;
}
button {
  outline: none;
}
.left {
  float: left;
}
.right {
  float: right;
}
.index {
  padding-bottom: 5.09375rem;
}
.index .header {
  width: 100%;
  font-size: 0;
}
.index .header img {
  width: 100%;
}
.index .footer {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 5.09375rem;
  background-color: #fff;
  text-align: center;
}
.index .footer .txt {
  width: 100%;
  height: 1.90625rem;
  line-height: 1.90625rem;
  border-top: 0.0625rem solid #f0f0f0;
  color: #646464;
  font-size: 0.525rem;
}
.index .footer .txt span {
  margin-right: 0.9375rem;
}
.index .footer .txt a {
  color:#646464;
}
.index .footer ul {
  background-color: #0f3450;
  height: 3.125rem;
  overflow: hidden;
  display: inline-block;
  width:100%;
}
.index .footer ul li {
  width: 25%;
  float: left;
}
.index .footer ul li a {
  color: #fff;
  font-size: 0.625rem;
}