*{
  margin: 0;
  padding: 0;
}
a:link {
  text-decoration: none;
  /* 指正常的未被访问过的链接*/
}

a:visited {
  text-decoration: none;
  /*指已经访问过的链接*/
}

a:hover {
  text-decoration: none;
  /*指鼠标在链接*/
}

a:active {
  text-decoration: none;
  /* 指正在点的链接*/
}
.hande {
  height: 125px;
  line-height: 125px;
  z-index: 2;
  width: 100%;
  background: #397be8;
}

.city {
  color: #fff;
  position: relative;
  margin-left: 50px;
}

.city:hover {
  background: rgba(0, 0, 0, 0.9);
}

.city:hover .city_Div {
  display: block;
}

.city .city_Div {
  position: absolute;
  top: 125px;
  left: 0;
  background: rgba(0, 0, 0, 0.9);
  width: 420px;
  line-height: 50px;
  border-radius: 0 4px 4px 4px;
  text-align: left;
  padding: 10px;
  display: none;
}

.city .city_Div li {
  width: 100px;
  display: inline-block;
  font-size: 14px;
}

.nav li {
  display: inline-block;
  width: 110px;
  text-align: center;
  font-size: 16px;
  letter-spacing: 0.1px;
}

.nav .nav_login {
  padding: 5px 15px;
  background: #397be8;
  font-size: 14px;
  border-radius: 4px;
  color: #fff;
}

.nav .nav_experience {
  padding: 5px 15px;
  background: #5070bd;
  font-size: 14px;
  border-radius: 4px;
}

.nav li a {
  font-weight: 600;
}

.footer {
  background: #397be8;
  padding: 100px 0;
  color: #fff;
}

.sign {
  background: #1e204c;
  line-height: 35px;
  color: #fff;
  border-top: 1px solid #f4f4f4;
  text-align: center;
}

.sign>div {
  padding: 0 0 10px;
}

.sign>.sw>div a {
  margin: 0 35px;
  text-decoration: none;
}

.sign a {
  color: #fff;
  text-decoration: underline;
}

.footer .logo {
  height: 60px;
  margin-bottom: 20px;
}

.logo_text {
  font-size: 17px;
  margin-top: 20px;
  letter-spacing: 1px;
}

.footer_text {
  margin-top: 50px;
  line-height: 40px;
}

.footer_text a {
  color: #fff;
  margin-right: 50px;
  text-decoration: underline;
}

.footer .code {
  width: 150px;
  height: 150px;
}

.box_shows {
  display: flex;
  background: #397be8;
  color: #fff;
  font-weight: bold;
  padding: 20px 0;
}

.box_shows>div {
  flex: 1;
  text-align: center;
  letter-spacing: 3px;
  border-right: 1px solid #fff;
}


.box_shows>div:last-child {
  border-right: none;
}

.wrap{
  padding-top: 163px;
}
.head_box{
  width: 100%;
  background-color: #ffffff;
    position: fixed;
      left: 50%;
      transform: translateX(-50%);
      z-index: 999;
}
.head{
  width: 1205px;
  /* background-color: red; */
  height: 126px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  box-sizing: border-box;

  background-color: #ffffff;
}

.nav_list {
  display: flex;
}

.nav_list .nav_item {
  margin-right: 44px;
  font-size: 19px;
  color: #000000;
  font-weight: 700;
  position: relative;
  cursor: pointer;
}

.nav_list .nav_item:last-child {
  margin-right: 0;
}
 .nav_item.active{
  color: #397BE8;
 }
.nav_list .nav_item.active::before {
  content: ' ';
  display: block;
  height: 2px;
  width: 40px;
  background-color: #397BE8;
  position: absolute;
  top: 33px;
  left: 50%;
  transform: translateX(-50%);
}