*{
  margin:0;
  padding: 0;
}
a{
  text-decoration: none;
  color: black;
}
img,button,span{
  border: 0;
  outline: none;
}
ul li{
  list-style: none;
}
.clearfix:before,.clearfix:after{
  content: "";
  display: table;
  clear: both;
}
.clearfix{
  zoom:1;
}
.w{
  width:62.5vw;
  margin:0 auto;
}
.header-top{
  width: 100%;
  height: 1.35vw;
  background-color: #6b6b6b;
  box-sizing: border-box;
  padding: 0 17.85vw;
}
.wel{
  float: left;
  font-family: MicrosoftYaHeiLight;
  font-size: 0.63vw;
  line-height: 1.35vw;
  letter-spacing: 0.03vw;
  color: #fefefe;
}
.save-web{
  float: right;
  font-family: MicrosoftYaHeiLight;
  font-size: 0.63vw;
  line-height: 1.35vw;
  letter-spacing: 0.03vw;
  color: #fefefe;
}
.save-web span a{
  font-family: MicrosoftYaHeiLight;
  font-size: 0.63vw;
  line-height: 1.35vw;
  letter-spacing: 0.03vw;
  color: #fefefe;
}
.save-web span:nth-of-type(2n+1){
  width: 0.63vw;
  height: 0.63vw;
  display: inline-block;
  margin-right: 0.3vw;
  margin-left: 1vw;
  -webkit-background-size: contain;
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
}
.save-web span:nth-of-type(1){
  background-image: url(../img/icon-save.png);
}
.save-web span:nth-of-type(3){
  background-image: url(../img/icon-map.png);
}
.save-web span:nth-of-type(5){
  background-image: url(../img/icon-phone.png);
}
.header-con{
  width: 100%;
  box-sizing: border-box;
  padding: 0vw 17.85vw;
  background: url("../img/header-bg.jpg") 0 0 repeat-x;
}
.logo{
  float: left;
  width: 43vw;
  height: 100%;
  padding: 1.7vw 0;
}
.logo-left{
  float: left;
}
.logo-left a{
  display: block;
  width: 12.2vw;
}
.logo-left a img{
  display: block;
  width: 100%;
  height: 100%;
}
.logo-left p{
  font-family: MicrosoftYaHeiLight;
  font-size: 1.46vw;
  line-height: 1.04vw;
  letter-spacing: 0.06vw;
  color: #313131;
}
.logo-right{
  float: left;
  margin-left: 0.52vw;
  padding-left: 0.52vw;
  border-left: 1px solid #313131;
}
.logo-right p:nth-of-type(1){
  font-family: MicrosoftYaHei;
  font-size: 0.85vw;
  line-height: 0.85vw;
  letter-spacing: 0.07vw;
  color: #001c40;
  margin-bottom: 0.77vw;
  margin-top: 0.41vw;
  font-weight: bold;
}
.logo-right p:nth-of-type(2){
  font-family: MicrosoftYaHeiLight;
  font-size: 0.73vw;
  line-height: 0.73vw;
  letter-spacing: 0.04vw;
  color: #595959;
  padding-bottom: 0.3vw;
}
.header-ph{
  float: right;
  padding-top: 2.03vw;
}
.header-ph-left{
  width: 2.5vw;
  overflow: hidden;
  float: left;
}
.header-ph-left img{
  display: block;
  width: 100%;
  height: 100%;
  padding-top: 0.31vw;
}
.header-ph-right{
  float: right;
  margin-left: 1vw;
}
.header-ph-right p:nth-of-type(1){
  font-family: MicrosoftYaHei;
  font-size: 0.94vw;
  line-height: 0.94vw;
  letter-spacing: 0.04vw;
  color: #333333;
  margin-bottom: 0.94vw;
}
.header-ph-right p:nth-of-type(2){
  font-family: PingFang-SC-Regular;
  font-size: 1.04vw;
  line-height: 1.04vw;
  letter-spacing: 0.05vw;
  color: #004f8b;
  text-align: center;
}
.header-nav{
  width: 100%;
  height: 3.75vw;
  background-color: #1754a1;
  box-sizing: border-box;
  padding: 0 19.84vw;
}
.header-nav ul{
  width: 100%;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
}
.header-nav ul li{
  width: 8.33vw;
  height: 100%;
}
.header-nav ul li a{
  display: block;
  width: 100%;
  height: 100%;
  text-align: center;
  line-height: 3.75vw;
  font-family: MicrosoftYaHeiLight;
  font-size: 0.94vw;
  letter-spacing: 0.04vw;
  color: #ffffff;
  position: relative;
}
.header-nav ul li a:before{
  position: absolute;
  top:-3px;
  left:0;
  content: '';
  width: 0;
  height: 3px;
  background-color: #1754a1;
}
.header-nav ul li a:hover{
  color: #1754a1;
  background: #fff;
}
.header-nav ul li a:hover:before{
  width: 100%;
  transition: width 0.3s linear;
}
.nav-active{
  color: #1754a1!important;
  background: #fff;
}
.nav-active:before{
  width: 100% !important;
}
.footer{
  width: 100%;
  height: 22.4vw;
  background: url("../img/footer-bg.jpg") center no-repeat;
  box-sizing: border-box;
  padding-top: 4.1vw;
}
.footer-con{
  width: 50%;
  margin:0 auto;
}
.footer-left{
  width: 10.42vw;
  float: left;
}
.footer-left p:nth-of-type(1){
  font-family: MicrosoftYaHei;
  font-size: 0.94vw;
  letter-spacing: 0.04vw;
  color: #ffffff;
}
.footer-left p:nth-of-type(2){
  font-family: MicrosoftYaHei;
  font-size: 0.73vw;
  letter-spacing: 0.03vw;
  color: #999999;
  margin-top: 0.68vw;
  padding-bottom: 2vw;
  border-bottom:1px solid #ccc;
}
.footer-right{
  float: right;
  width: 26vw;
}
.link-way{
  font-family: MicrosoftYaHeiLight;
  font-size: 0.73vw;
  letter-spacing: 0.03vw;
  color: #cccccc;
  margin-bottom: 2vw;
}
.link-way span:nth-of-type(1){
  float: left;
}
.link-way span:nth-of-type(2){
  float: right;
}
.footer-right form{
  width: 100%;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.footer-right form .f_info{
  font-family: MicrosoftYaHeiLight;
  font-size: 0.73vw;
  letter-spacing: 0.03vw;
  color: #cccccc;
  width: 7vw;
  padding-bottom: 0.4vw;
  border-bottom: 1px solid #ccc;
}
form .f_info input{
  display: inline-block;
  width: 100%;
  border:0;
  outline:none;
  color: #cccccc;
  background-color: transparent;
}
.f_content{
  width: 100%;
}
.f_content span{
  font-family: MicrosoftYaHeiLight;
  font-size: 0.73vw;
  letter-spacing: 0.03vw;
  color: #cccccc;
  display: block;
  margin-top: 0.9vw;
  margin-bottom: 0.4vw;
}
.f_content textarea{
  width: 100%;
  height: 1.3vw;
  background-color: transparent;
  outline: none;
  border:0;
  border-bottom: 1px solid #ccc;
  color: #ccc;
  resize: none;
}
.tijiao{
  margin-top: 1vw;
  display: inline-block;
  width: 5.21vw;
  height: 1.25vw;
  line-height: 1.25vw;
  background-color: #ffffff;
  border-radius: 0.1vw;
  text-align: center;
  outline: none;
  border:0;
  font-family: MicrosoftYaHeiLight;
  font-size: 0.73vw;
  letter-spacing: 0.31vw;
  color: #02214b;
}
.footer{
  display: block;
}
.footer_m{
  display: none;
}
#btn_top{ width: 43px; height: 43px; overflow: hidden; position: fixed; top: 85%; right: 10%;  cursor: pointer; display: none;}
#btn_top h4{ width: 43px; height: 43px; overflow: hidden; position: relative;}
#btn_top img{ display: block; position: absolute; top: 0; left: 0;}