html,
body {
  position: relative;
  width: 100%;
  height: 100%;
  font-size: 16px;
  font-family: "微软雅黑";
}
.w1200 {
  width: 1200px;
  margin: 0 auto;
}
header {
  width: 100%;
  height: 109px;
  background-color: #fff;
}
header nav {
  padding-left: 35px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
header nav .nav-rg {
  display: flex;
}
header nav .nav-rg li {
  width: 141px;
  height: 109px;
  background-color: #fff;
}
header nav .nav-rg li a {
  display: block;
  width: 100%;
  height: 100%;
  text-align: center;
  line-height: 109px;
  color: #000000;
  font-size: 19px;
}
header nav .nav-rg .nav_active {
  background-color: #e00000;
}
header nav .nav-rg .nav_active a {
  color: #fff;
}
.banner {
  width: 100%;
}
.banner img {
  width: 100%;
  height: 100%;
}
article {
  width: 100%;
  height: auto;
  background: url(../images/bg.png) repeat-y;
}
.showimg {
  width: 100%;
  text-align: center;
}
footer {
  width: 100%;
  height: 72px;
  color: #fff;
  line-height: 72px;
  background-color: #e00000;
}
footer p {
  font-size: 14px;
  text-align: center;
}