.header {
  width: 100%;
  background: #ffffff;
}
.header .banner {
  height: 40vw;
  width: 100%;
  position: relative;
  background: url("/mpublic/banner_m.jpg") no-repeat center bottom;
  background-size: 100% 100%;
}
.header .banner .headerCon {
  position: relative;
  z-index: 2;
  padding-top: 1px;
}
.header .banner .headerCon .logo {
  width: 60vw;
  margin: 0.5rem auto 0.24rem;
}
.header .banner .headerCon .logo img {
  width: 100%;
}
.header .banner .headerCon .search form {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid #308cce;
  border-radius: 0.4rem;
  overflow: hidden;
  height: 0.54rem;
  width: 60vw;
  display: block;
  margin: 0.1rem auto;
}
.header .banner .headerCon .search form input {
  height: 0.54rem;
  text-indent: 0.2rem;
  font-size: 15px;
  display: block;
  width: 46vw;
  background: none;
}
.header .banner .headerCon .search form button {
  width: 0.6rem;
  height: 100%;
  cursor: pointer;
  background: url("/mpublic/search_m.png") no-repeat center center;
  display: block;
  background-size: 50% auto;
  text-align: center;
  font-size: 18px;
}
.header .nav {
  background: #0167cc;
  width: 100%;
}
.header .nav li {
  width: 25%;
  text-align: center;
  line-height: 0.8rem;
  float: left;
  color: #fff;
  font-weight: bold;
  position: relative;
}
.header .nav li a {
  display: block;
}
.header .nav li span {
  position: absolute;
  width: 16%;
  display: none;
  left: 42%;
  bottom: 1vw;
  height: 1vw;
  background: #e4141d;
}
.header .nav li.active span {
  display: block;
}