html,
body {
  position: relative;
  width: 100%;
  height: 100%;
  font-size: 16px;
  font-family: "Microsoft YaHei";
}
/*版心*/
.w1200 {
  width: 1200px;
  margin: 0 auto;
}
/*头部*/
header {
  position: absolute;
  top: 0;
  width: 100%;
  height: 74px;
}
header nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}
header nav .nav-rg {
  display: flex;
}
header nav .nav-rg li {
  position: relative;
  width: 139px;
  height: 36px;
  margin-right: 32px;
  text-align: center;
  line-height: 36px;
  border-radius: 20px;
}
header nav .nav-rg li a {
  display: block;
  width: 100%;
  height: 100%;
  color: #1b43a7;
  font-size: 22px;
  font-weight: bold;
}
header nav .nav-rg li:hover {
  background-color: #1c47e5;
}
header nav .nav-rg li:hover a {
  color: #fff;
}
header nav .nav-rg li:hover::after {
  position: absolute;
  top: 50%;
  left: 12px;
  content: "";
  display: block;
  width: 6px;
  height: 6px;
  transform: translateY(-50%);
  border-radius: 50%;
  background-color: #fff;
}
header nav .nav-rg .nav_active {
  background-color: #1c47e5;
}
header nav .nav-rg .nav_active a {
  color: #fff;
}
header nav .nav-rg .nav_active::after {
  position: absolute;
  top: 50%;
  left: 12px;
  content: "";
  display: block;
  width: 6px;
  height: 6px;
  transform: translateY(-50%);
  border-radius: 50%;
  background-color: #fff;
}
/*banner*/
.banner {
  width: 100%;
}
.banner img {
  width: 100%;
  height: 100%;
}
/*内容*/
article {
  width: 100%;
  background: url(../images/bg.png) no-repeat center bottom #fff;
}
article .content {
  padding-top: 63px;
  padding-bottom: 200px;
}
article .content .title {
  display: flex;
  justify-content: center;
  align-items: center;
}
article .content .title h3 {
  display: inline-block;
  color: #333;
  font-size: 30px;
  font-weight: normal;
  letter-spacing: 3px;
  margin: 0 10px;
}
article .content .newsContent {
  margin-top: 32px;
}
/*底部*/
footer {
  width: 100%;
  height: 46px;
  color: #fff;
  font-size: 14px;
  text-align: center;
  line-height: 46px;
  background-color: #1c44ab;
}