ul,ol,li {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 0;
}
.menu {
  position: sticky;
  top: 0;
  left: 0;
  width: 900px;
  float:right;
  background: #fff;
  display: flex;
  justify-content: center;
  z-index:99;
}
.menu * {
  box-sizing: border-box;
}
.menu .center {
  width: 100%;
}
.menu .ul-list {
  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: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  text-decoration: none;
  color: #222;
  background: #fff;
}
.menu .ul-list > li > a:hover {
	color: #1A64BE;
	border-bottom-width: 3px;
	border-bottom-style: solid;
	border-bottom-color:#1A64BE;
}
.menu .ul-list > li > span {
  color: #fff;
  font-size: 14px;
  height: 35px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #222;
}
.menu .ul-list > li:hover .ol-list {
  display: block;
}
.menu .ol-list {
	display: none;
	position: absolute;
	top: 100px;
	left: 0;
	z-index: 999;
	background: #fff;
	width: 260px;
	border-top-width: 1px;
	border-right-width: 1px;
	border-left-width: 1px;
	border-top-style: solid;
	border-right-style: solid;
	border-left-style: solid;
	border-top-color: #CCCCCC;
	border-right-color: #CCCCCC;
	border-left-color: #CCCCCC;
}
.menu .ol-list > li > a {
  font-size: 14px;
  text-decoration: none;
  color: #000;
  height: 35px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid #ccc;
  justify-content: center;
}
.menu .ol-list > li > a:hover {
  background: #1A64BE;
  color: #fff;
}