* {
  margin: 0;
  padding: 0;
  text-decoration: none;
  box-sizing: border-box;
}
body {
  min-width: 1400px;
}
.wrapper {
  width: 1200px;
  margin: 0 auto;
}
header .top {
  background-color: #0048a9;
}
header .bottom {
  background-color: #3f7dd2;
}
header .top-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 35px 50px;
}
header .link {
  margin-left: 10px;
  margin-bottom: 8px;
}
header .link a {
  font-size: 14px;
  color: #fff;
  margin-right: 15px;
}
header .link i {
  display: inline-block;
  width: 9px;
  height: 9px;
  border: solid 2px #bccfe8;
  border-radius: 5px;
  margin-right: 5px;
}
header .search {
  display: flex;
  align-items: center;
  width: 250px;
  height: 35px;
  padding: 2px 15px;
  border-radius: 18px;
  background-color: #fff;
}
header .search .search-input {
  width: 188px;
  border: none;
  height: 100%;
  outline: none;
  font-size: 16px;
}
header .search .search-btn {
  width: 21.5px;
  height: 21px;
  background: url(../images/icon-search.svg) no-repeat;
  font-size: 0;
  border: none;
  outline: none;
  cursor: pointer;
}
header .nav {
  display: flex;
  justify-content: space-evenly;
  height: 50px;
}
header .nav .nav-item {
  position: relative;
  width: 100%;
  text-align: center;
}
header .nav .nav-item > a {
  display: block;
  color: #fff;
  line-height: 50px;
}
header .nav .nav-item:hover .nav-sub {
  display: block;
}
header .nav .nav-sub {
  position: absolute;
  top: 50px;
  left: 0;
  z-index: 10;
  width: 100%;
  display: none;
}
header .nav .nav-sub a {
  display: block;
  border: 1px solid #3f7dd2;
  padding: 12px 0;
  background-color: #3f7dd2;
  color: #fff;
  font-size: 13px;
  text-align: center;
}
header .nav .nav-sub a:hover {
  color: #3f7dd2;
  background-color: #fff;
}
header .nav .active::after {
  content: "";
  position: absolute;
  bottom: 7px;
  left: 0;
  width: 70%;
  margin: 0 15%;
  height: 3px;
  background-color: #e4ceae;
}
footer {
  margin-top: 80px;
  color: #fff;
}
footer a {
  color: #fff;
}
footer .top {
  background-color: #0048a9;
}
footer .top-wrapper {
  display: flex;
  align-items: center;
  padding: 40px 0 80px;
  line-height: 40px;
}
footer .top-wrapper .logo-bottom {
  margin-bottom: 20px;
}
footer .top-wrapper .links {
  padding: 0 60px;
}
footer .top-wrapper .links .title {
  font-size: 30px;
  margin: 50px 0 30px;
}
footer .top-wrapper .links .items {
  display: grid;
  grid-template-columns: repeat(2, 165px);
}
footer .top-wrapper .contact {
  display: flex;
  margin-top: 30px;
}
footer .top-wrapper .contact .wechat {
  margin-right: 25px;
  text-align: center;
  line-height: 30px;
}
footer .top-wrapper .contact .emails {
  display: flex;
  flex-direction: column;
}
footer .top-wrapper .contact .emails .email {
  display: flex;
  align-items: center;
  padding: 9px 12px;
  margin-bottom: 12px;
  border-radius: 6px;
  background-color: #3f7dd2;
}
footer .top-wrapper .contact .emails .email span {
  padding-left: 8px;
}
footer .bottom {
  background-color: #3f7dd2;
  text-align: center;
  padding: 20px 0;
}
