.header {
  width: 1200px;
  margin: 0 auto;
}

.top-header-img{
  width: 100%;
}
.top-header-img img{
  width: 100%;
}

.header .top {
  width: 100%;
  height: 65px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 20px;
  padding: 0 !important;
}

.header .top .logo_box {
  display: flex;
  align-items: center;
  height: 100%;
}

.header .top .logo_box .logo {
  width: 350px;
}

.header .top .logo_box .logo .logo_img {
  width: 100%;
}

.header .top .logo_box .logo_line {
  margin: 0 20px;
  width: 1px;
  height: 80%;
}

.header .top .logo_box .logo_text {
  font-size: 20px;
  color: #878787;
  line-height: 65px;
}

.header .top .top_contact {
  display: flex;
  align-items: center;
  height: 100%;
}

.header .top .top_contact .contact_left {
  width: 50px;
  height: 50px;
  margin-right: 10px;
}

.header .top .top_contact .contact_left img {
  width: 100%;
  height: 100%;
}

.header .top .top_contact .contact_right .phone_text {
  font-size: 24px;
  color: #4260f4;
}

.header .top .top_contact .contact_right:nth-child(2) {
  font-size: 12px;
  color: #484848;
}

.header .nav {
  width: 100%;
  height: 100px;
}

.header .nav .nav-list {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 0 20px;
  box-sizing: border-box;
}

.header .nav .nav-list li {
  width: 100%;
  height: 100%;
  font-size: 20px;
  text-align: center;
  line-height: 100px;
  cursor: pointer;
}

.header .nav .nav-list li a{
  color: #000;
}

.header .nav .nav-list li:hover a {
  color: #4260f4;
  text-decoration: none;
}