* {
  margin: 0;
  padding: 0;
}

body {
  width: 100%;
  overflow-x: hidden;
  font-family: "Microsoft YaHei";
}

ul {
  list-style: none;
}

a {
  text-decoration: none;
  color: black;
}

div {
  box-sizing: border-box;
}

.red {
  color: #fb4d4d;
}

.normal {
  font-weight: normal;
}

.gray {
  color: #999;
}

.box {
  width: 1200px;
  margin: auto;
}

.none {
  display: none;
}

header {
  width: 100%;
}

header .box .h-top {
  height: 130px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

header .nav {
  height: 40px;
  background-color: #1f9ff8;
}

header .nav .box ul {
  display: flex;
}

header .nav .box ul li {
  flex: 1;
  position: relative;
}

header .nav .box ul li>a {
  display: block;
  text-align: center;
  color: white;
  font-size: 18px;
  line-height: 40px;
}

header .nav .box ul li>a:hover {
  background-color: #0485e0;
}

header .nav .box ul li .sec {
  width: 100%;
  position: absolute;
  top: 40px;
  display: none;
  z-index: 999999;
}

header .nav .box ul li .sec>a {
  display: block;
  text-align: center;
  color: white;
  font-size: 16px;
  line-height: 40px;
  background-color: #1f9ff8;
}

header .nav .box ul li .sec>a:hover {
  background-color: #0485e0;
}













header .back {
  position: fixed;
  z-index: 999;
  display: none;
  bottom: 100px;
  right: 80px;
  width: 40px;
}

header .back a {
  padding: 4px;
  display: block;
  text-align: center;
  font-size: 14px;
  background-color: #bdbbbb;
  color: white;
}

header .back a img {
  width: 100%;
  display: block;
  margin-bottom: 5px;
}














footer {
  width: 100%;
  background-color: #4c4c4c;
}

footer>.box {
  padding-top: 68px;
  padding-bottom: 55px;
}

footer>.box ul {
  display: flex;
}

footer>.box ul li {
  flex: 1;
  padding: 0 30px;
}

footer>.box ul li .erweima {
  width: 160px;
  height: 160px;
  margin: auto;
  background-color: #40abf7;
}

footer>.box ul li h3 {
  width: 284px;
  font-size: 20px;
  height: 34px;
  line-height: 34px;
  color: #fff;
  position: absolute;
  background-color: #40abf7;
  font-weight: normal;
  padding-left: 12px;
  position: relative;
  text-align: left;
  margin-bottom: 28px;
}

footer>.box ul li h3 span {
  width: 150px;
  font-size: 16px;
  height: 30px;
  padding-left: 20px;
  padding-right: 10px;
  background-color: #4c4c4c;
  display: inline-block;
  position: absolute;
  top: 0;
  right: 0;
}

footer>.box ul li p {
  width: 33%;
  margin-bottom: 20px;
  color: white;
  font-size: 16px;
}

footer>.box ul li p a {
  display: block;
  color: white;
  font-size: 16px;
}

footer .last {
  background-color: #40abf7;
  height: 46px;
}

footer .last ul {
  display: flex;
}

footer .last ul li {
  flex: 1;
  text-align: center;
}

footer .last ul li p {
  color: white;
  font-size: 14px;
  line-height: 46px;
}

footer .last ul li p a {
  display: block;
  color: white;
  font-size: 14px;
  line-height: 46px;
}