.header {
  min-width: 1200px;
  height: 3rem;
  background-color: #D58F00;
  box-shadow: 0px 3px 6px 0px rgba(0, 0, 0, 0.16);
  color: #ffffff;
  display: flex;
  justify-content: space-around;
  align-items: center;
}

.header .logoitem img {
  width: 7.8rem;
  height: 1.875rem;
}

.searchitem {
  display: flex;
  flex-direction: column;
  width: 14rem;
  height: 1.75rem;
}

.top-item {
  padding-left: 0.375rem;
}

.searchitem .top-item a {
  flex: auto;
  display: inline-block;
  width: 1.5rem;
  height: 0.75rem;
  text-align: center;
  line-height: 0.75rem;
  font-family: Microsoft YaHei;
  font-size: 0.4rem;
  font-weight: normal;
  font-stretch: normal;
  color: #ffffff;
  border: none;
}

.searchitem .top-item a:hover {
  background-color: #ffffff;
  color: #4054b2;
  border-radius: 0.15rem 0.15rem 0 0;
}

.bottom-item input {
  width: 85%;
  height: 1rem;
  border: none;
  border-radius: 0.15rem;
  outline: none;
  padding: 0 0.125rem;
  font-size: 0.35rem;
}

.device a {
  display: inline-block;
  width: 2.5rem;
  height: 0.95rem;
  border-radius: 3px;
  border: solid 1px #ffffff;
  margin: 0 0.125rem;

  font-family: Microsoft YaHei;
  font-size: 0.4rem;
  font-weight: normal;
  font-stretch: normal;
  color: #ffffff;
  text-align: center;
  line-height: 0.95rem;
}

.device a:hover {
  background-color: #fff;
  color: #4054b2;
}

.device {
  position: relative;
}

.device img {
  position: absolute;
  width: 5rem;
  left: -5rem;
  top: -0.925rem;
  display: none;
}