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:3.125rem;*/
}


.index .footer {
  width: 100%;
  height: 3.125rem;
  background: #e1e1e1;
  line-height:3.125rem;
  position: fixed;
  left: 0;
  bottom: 0;
}
.index .footer a {
  float: left;
  width: 85%;
  height: 3.125rem;
  text-align: center;
  font-size:0.6rem;
  color:#828282;
}

.index .footer a.bottimg{
    width:7.5%;
    float:left;
}
.index .footer a.bottimg img {
  width: 60%;
  vertical-align: middle;
}



.ynav {
  width: 100%;
  height:100%;
  text-align: center;
  position: absolute;
  z-index: 10;
  display:none;
  background:#626262;
}
.ynav ul {
  width: 100%;
  text-align: center;
}
.ynav ul li {
  width: 95%;
  height:2rem;
  line-height:2rem;
  display: inline-block;
  text-align: center;
  border-bottom:0.05rem #757575 solid;
  text-align:right;
  padding-right:5%;
}
.ynav ul li.er{
  background-color: #414141;
  border-bottom:0;
}
.ynav ul li a {
    display:block;
  height:2rem;
  color: #ffffff;
  font-size: 0.6875rem;
}
.ynav ul li a.on{
    font-weight:bold;
}
.ynav ul li .hide li {
  background-color: #2370c3;
}
.ynav ul li .hide li a {
  font-size: 0.625rem;
  border-top: 0 none;
}
.ynav ul li .hide .on a {
  font-weight: bold;
}
.ynav ul .first a {
  border-top: 0 none !important;
}