html,
body {
  position: relative;
  width: 100%;
  height: 100%;
  font-family: "Microsoft YaHei";
  overflow: hidden;
}
/*版心*/
.w1200 {
  width: 62.46746486vw;
  margin: 0 auto;
}
img {
  width: 100%;
  height: 100%;
}
/*头部*/
header {
  width: 100%;
  height: 3.22748568vw;
}
header nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}
header nav .nav-lf {
  width: 7.18375846vw;
  height: 2.39458615vw;
}
header nav .nav-rg {
  display: flex;
  height: 100%;
}
header nav .nav-rg li {
  margin-left: 0.78084331vw;
  height: 100%;
  line-height: 3.22748568vw;
}
header nav .nav-rg li:hover a {
  color: #fff;
  font-weight: bold;
}
header nav .nav-rg li:hover a::before {
  position: absolute;
  top: 0;
  left: 50%;
  content: "";
  width: 100%;
  height: 0.20822488vw;
  background-color: #fff;
  transform: translateX(-50%);
}
header nav .nav-rg li a {
  position: relative;
  display: block;
  padding: 0 0.78084331vw;
  color: #5cb9d7;
  font-size: 1.04112441vw;
  transition: all 0.2s;
}
header nav .nav-rg .nav_active a {
  color: #fff;
  font-weight: bold;
}
header nav .nav-rg .nav_active a::before {
  position: absolute;
  top: 0;
  left: 50%;
  content: "";
  width: 100%;
  height: 0.20822488vw;
  background-color: #fff;
  transform: translateX(-50%);
}
/*内容*/
article {
  position: relative;
  width: 100%;
  height: 100%;
  background: url(../images/bg2.jpg) no-repeat;
  background-size: 100% 100%;
}
article .slogan {
  position: absolute;
  top: 6%;
  right: 0.5%;
  width: 13.53461739vw;
  height: 7.49609578vw;
}
article section {
  position: relative;
}
article section .navlist {
  position: absolute;
  top: 19%;
  right: -7.0275898vw;
}
article section .navlist li {
  padding-left: 0.41644977vw;
  margin-bottom: 0.78084331vw;
  width: 6.87142113vw;
  height: 2.39458615vw;
  background: url(../images/nav_icon.png) no-repeat;
  background-size: 100% 100%;
}
article section .navlist li a {
  display: block;
  width: 100%;
  height: 100%;
  color: #ffffff;
  font-size: 0.93701197vw;
  font-weight: bold;
  text-align: center;
  line-height: 2.39458615vw;
  transition: all 0.2s;
}
article section .navlist li:hover a {
  color: #20f2a1;
}
article section .navlist .nav_act a {
  color: #20f2a1;
}
article section .content {
  position: relative;
  padding-top: 2.18636127vw;
  margin: 3.90421655vw auto 0;
  width: 62.10307132vw;
  height: 35.08589276vw;
  background: url(../images/ct_kuang.png) no-repeat;
  background-size: 100% 100%;
  z-index: 2;
}
article section .content .title {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}
article section .content .title h3 {
  color: #ffffff;
  font-size: 1.56168662vw;
}
article section .content .title p {
  margin-top: 0.2602811vw;
  color: #7fdefc;
  font-size: 0.93701197vw;
}
footer {
  position: fixed;
  bottom: 3%;
  width: 100%;
  color: #f3fbff;
  font-size: 0.72878709vw;
  text-align: center;
}