.index-box {
  width: 1200px;
  display: block;
  margin: 12px auto 20px auto;
  position: relative;
}
.ui-nav {
  float: left;
}
.index-box-inner {
  float: left;
  width: 900px;
  display: inline-block;
}
.ui-fall2 {
  padding-left: 20px;
}
.pic {
  width: 100%;
  height: 100%;
}