html,
body {
  position: relative;
  width: 100%;
  height: 100%;
  font-size: 16px;
  font-family: "Microsoft YaHei";
}
.tanchuan {
  display: none;
  position: fixed;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.3);
  z-index: 100;
}
.tanchuan .mengc {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.tanchuan .mengc img {
  width: 100%;
  height: 100%;
}
.w1200 {
  width: 1200px;
  margin: 0 auto;
}
header {
  position: fixed;
  top: 0;
  width: 100%;
  height: 112px;
  z-index: 99;
  background-color: #fff;
}
header nav {
  padding-left: 5px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}
header nav .nav-rg {
  display: flex;
  height: 100%;
}
header nav .nav-rg li {
  width: 112px;
  height: 100%;
  margin-right: 5px;
}
header nav .nav-rg li a {
  display: block;
  width: 100%;
  height: 100%;
  color: #000000;
  font-size: 18px;
  text-align: center;
  line-height: 112px;
}
header nav .nav-rg li a:hover {
  color: #010204;
  font-weight: bold;
  background: linear-gradient(#f8fcf3, #88d12f);
}
header nav .nav-rg li .nav_active {
  color: #010204;
  font-weight: bold;
  background: linear-gradient(#f8fcf3, #88d12f);
}
.banner {
  width: 100%;
  margin-top: 112px;
}
.banner img {
  width: 100%;
  height: 100%;
}
article {
  position: relative;
  padding-top: 24px;
  padding-bottom: 21px;
  width: 100%;
  background: url(../images/bottom1.png) no-repeat center bottom #e7f4f8;
}
article .content {
  padding-top: 50px;
  height: auto;
  background-color: #f6fdff;
}
article .content .title {
  width: 100%;
  text-align: center;
}
article .content .showimg {
  width: 100%;
  text-align: center;
}
article .content .litle {
  margin-left: 46px;
  margin-bottom: 15px;
}
article .content .litle img {
  vertical-align: bottom;
}
article .content .litle strong {
  color: #ff8d00;
  font-size: 24px;
  margin-left: 10px;
}
article footer {
  position: absolute;
  left: 50%;
  bottom: 21px;
  color: #0084d3;
  font-size: 12px;
  transform: translateX(-50%);
}