.w {
  width: 1220px;
  margin: 0 auto;
}
header div.t {
  height: 45px;
  background-color: #2284e6;
}
header div.t .w .nav {
  margin-right: 20px;
}
header div.t .w .nav li {
  float: right;
  cursor: pointer;
  font-size: 14px;
  line-height: 45px;
  color: #ffffff;
}
header div.t .w .nav li a{
  
  color: #ffffff;
}
header div.t .w .nav span {
  margin: 0 10px;
  line-height: 45px;
  float: right;
  color: #ffffff;
}
header div.banner {
  height: 200px;
  background: url("../image/banner.jpg") center center;
}
header div.c {
  height: 50px;
  background-color: #2284e6;
}
header div.c .w .nav {
  list-style-type: none;
  padding: 0;
  display: flex;
  justify-content: space-around;
}
header div.c .w .nav li a{
  margin: 0 10px;
  font-size: 16px;
  line-height: 50px;
  color: #ffffff;
  cursor: pointer;
}
footer > div {
  height: 140px;
  background-color: #2284e6;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: #ffffff;
}