.menu {
  width: 100%;
  height:66px;
  background: #f36f21;
  display: flex;
  justify-content: center;
  z-index: 999;
}
.menu * {
  box-sizing: border-box;
}
.menu .ul-list {
  width:1200px;
  display: flex;
}
.menu .ul-list > li {
  flex: 1;
  position: relative;
}
.menu .ul-list > li:last-child {
  border-right: none;
}
.menu .ul-list > li > a {
  height: 66px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: #fff;
  background: url("../images/navli.png") right no-repeat;
}
.menu .ul-list > li > a:hover {
  background: #28517D;
}
.menu .ul-list > li > span {
  color: #fff;
  font-size: 14px;
  height: 66px;
  display: flex;
  align-items: center;
  justify-content: center;
  background:#f36f21;
}
.menu .ul-list > li:hover .ol-list {
  display: block;
}
.menu .ol-list {
  display: none;
  position: absolute;
  top: 66px;
  left: 0;
  z-index: 999;
  background:rgba(255,255,255,1);
  width: 100%;
}
.menu .ol-list > li > a {
  text-decoration: none;
  color: #333;
  height: 50px;
  display: flex;
  align-items: center;
  border-bottom: 1px dashed #eee;
  justify-content: center;
  transition: all 0.3s ease-in-out;
}
.menu .ol-list > li > a:hover {
  color:white;
  background: #f36f21;
}

.menu .ul-list > li:hover{
  background: #28517D;
}