body {
  margin: 0px;
  padding: 0px;
  background: url(../images/mainbk.gif) repeat-x;
  padding-top: 6px;
  background-color: #e0e5e9;
}

.head {
  display: flex;
  width: 1200px;
  margin: 0 auto;
  background: none;
}
.logo {
  width: 295px;
  height: 104px;
  padding-top: 41px;
  padding-right: 20px;
}
.logo img {
  padding: 0px;
  margin: 0px;
  line-height: 0px;
  border: none;
}
.mnav {
  flex: 1;
}
.navtop {
  height: 51px;
}
.navbot {
  font-size: 0;
}
.navbot a {
  display: inline-block;
  width: 126px;
  height: 94px;
  background: url(../images/nav.png) no-repeat;
}
.navbot a.n1 {
  background-position: 0px 0px;
}
.navbot a.n2 {
  background-position: 0px -95px;
}
.navbot a.n3 {
  background-position: 0px -190px;
}
.navbot a.n4 {
  background-position: 0px -285px;
}
.navbot a.n5 {
  background-position: 0px -380px;
}
.navbot a.n6 {
  background-position: 0px -475px;
}
.navbot a.n1:hover {
  background-position: -128px 0px;
}
.navbot a.n2:hover {
  background-position: -128px -95px;
}
.navbot a.n3:hover {
  background-position: -128px -190px;
}
.navbot a.n4:hover {
  background-position: -128px -285px;
}
.navbot a.n5:hover {
  background-position: -128px -380px;
}
.navbot a.n6:hover {
  background-position: -128px -475px;
}

.navbot a.nc1 {
  background-position: -128px 0px;
}
.navbot a.nc2 {
  background-position: -128px -95px;
}
.navbot a.nc3 {
  background-position: -128px -190px;
}
.navbot a.nc4 {
  background-position: -128px -285px;
}
.navbot a.nc5 {
  background-position: -128px -380px;
}
.navbot a.nc6 {
  background-position: -128px -475px;
}

.main1 {
  background: url(../images/index.png) no-repeat;
  width: 1091px;
  height: 835px;
  margin-left: auto;
  margin-right: auto;
  margin-top: auto;
}
/* .main1 div {
  overflow: hidden;
} */
.ilink {
  vertical-align: bottom;
  background-position: 0px 0px;
}
.ilink1, .ilink2, .ilink3, .ilink4, .ilink5, .ilink6, .ilink7 {
  display: inline-block;
  /* float: left; */
  width: 141px;
  height: 80px;
  margin-left: 469px;
  margin-top: 86px;
  background: url(../images/mainlink.png) no-repeat;
}
.ilink1:hover {
  background-position: 0px -80px;
}
.ilink2 {
  margin-left: 215px;
  margin-top: 49px;
}
.ilink2:hover {
  background-position: 0px -160px;
}
.ilink3 {
  margin-left: 366px;
  margin-top: 49px;
}
.ilink3:hover {
  background-position: 0px -240px;
}
.ilink4 {
  float: left;
  margin-left: 68px;
  margin-top: 86px;
}
.ilink4:hover {
  background-position: 0px -320px;
}
.ilink5 {
  float: left;
  margin-left: 174px;
  margin-top: 44px;
}
.ilink5:hover {
  background-position: 0px -400px;
}
.ilink6 {
  float: left;
  margin-left: 29px;
  margin-top: 44px;
}
.ilink6:hover {
  background-position: 0px -480px;
}
.ilink7 {
  float: left;
  margin-left: 175px;
  margin-top: 85px;
}
.ilink7:hover {
  background-position: 0px -560px;
}