* {
  margin: 0;
  padding: 0;
}
a {
  text-decoration: none;
}
li {
  list-style: none;
}
img {
  border: none;
}
.clear {
  clear: both;
}
.mnav {
  width: 1000px;
  height:110px;
  margin: 0 auto;
}
.mnav ul li {
  float: left;
  text-align: center;
  margin: 0 14px;
  width: 72px;
  padding-top: 10px;
}
.mnav ul li span {
  display: block;
  width: 56px;
  height: 57px;
  background: url(../images/menu.jpg) no-repeat;
  margin-bottom: 5px;
}
.mnav ul li a {
  color: #333;
  font-size: 14px;
  font-family: "Microsoft Yahei";
}
.mnav ul li a:hover {
  color: #136594;
}
.mnav ul .li1 span {
  background-position: 0 0;
}
.mnav ul .li1:hover span {
  background-position: 0 -57px;
  transition: all 0.3s linear 0s;
}
.mnav ul .li2 span {
  background-position: -56px 0;
}
.mnav ul .li2:hover span {
  background-position: -56px -57px;
  transition: all 0.3s linear 0s;
}
.mnav ul .li3 span {
  background-position: -111px 0;
}
.mnav ul .li3:hover span {
  background-position: -111px -57px;
  transition: all 0.3s linear 0s;
}
.mnav ul .li4 span {
  background-position: -166px 0;
}
.mnav ul .li4:hover span {
  background-position: -166px -57px;
  transition: all 0.3s linear 0s;
}
.mnav ul .li5 span {
  background-position: -221px 0;
}
.mnav ul .li5:hover span {
  background-position: -221px -57px;
  transition: all 0.3s linear 0s;
}
.mnav ul .li6 span {
  background-position: -276px 0;
}
.mnav ul .li6:hover span {
  background-position: -276px -57px;
  transition: all 0.3s linear 0s;
}
.mnav ul .li7 span {
  background-position: -331px 0;
}
.mnav ul .li7:hover span {
  background-position: -331px -57px;
  transition: all 0.3s linear 0s;
}
.mnav ul .li8 span {
  background-position: -386px 0;
}
.mnav ul .li8:hover span {
  background-position: -386px -57px;
  transition: all 0.3s linear 0s;
}
.mnav ul .li9 span {
  background-position: -441px 0;
}
.mnav ul .li9:hover span {
  background-position: -441px -57px;
  transition: all 0.3s linear 0s;
}
.mnav ul .li10 span {
  background-position: -496px 0;
}
.mnav ul .li10:hover span {
  background-position: -496px -57px;
  transition: all 0.3s linear 0s;
}
.mnav ul .li11 {
  margin-right: 0px;
}
.mnav ul .li11 span {
  background-position: -551px 0;
}
.mnav ul .li11:hover span {
  background-position: -551px -57px;
  transition: all 0.3s linear 0s;
}