html,
body {
  position: relative;
  width: 100%;
  height: auto;
  font-size: 16px;
  font-family: "Microsoft YaHei";
}
/*版心*/
.w1200 {
  width: 1200px;
  margin: 0 auto;
}
/*头部*/
header {
  width: 100%;
  height: 100px;
  background-color: #ffffff;
}
header nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}
header nav .nav-rg {
  display: flex;
}
header nav .nav-rg li {
  margin-right: 90px;
}
header nav .nav-rg li:hover a {
  color: #016f6b;
  font-weight: bold;
  border-bottom: 2px solid #016f6b;
}
header nav .nav-rg li a {
  display: block;
  padding-bottom: 8px;
  color: #000000;
  font-size: 20px;
}
header nav .nav-rg .nav_active a {
  color: #016f6b;
  font-weight: bold;
  border-bottom: 2px solid #016f6b;
}
/*banner*/
.banner {
  width: 100%;
}
.banner img {
  width: 100%;
  height: 100%;
}
/*内容*/
article {
  padding-top: 95px;
  padding-bottom: 105px;
}
article .content .title {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  margin: 0 auto;
  width: 410px;
  height: 60px;
}
article .content .title h3 {
  color: #4d4d4d;
  font-size: 36px;
}
article .content .navlist {
  position: relative;
  display: flex;
  margin: 0 auto;
  width: 673px;
  height: 59px;
  border-radius: 12px;
  background: url(../images/navlist_bg.png) no-repeat;
}
article .content .navlist li {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 25%;
  height: 100%;
  border-radius: 12px;
  transition: all 0.2s;
  cursor: pointer;
}
article .content .navlist li:hover {
  background-color: #016f6b;
}
article .content .navlist li:hover span {
  color: #ffffff;
}
article .content .navlist li span {
  color: #000000;
  font-size: 16px;
}
article .content .navlist .navlist_act {
  background-color: #016f6b;
}
article .content .navlist .navlist_act span {
  color: #ffffff;
}
article .content .showimg {
  width: 100%;
  text-align: center;
}
footer {
  width: 100%;
  height: 87px;
  color: #fff;
  font-size: 14px;
  line-height: 87px;
  text-align: center;
  background-color: #6ab0a3;
}