.wrap{
  position: relative;
  width: 100%;
  height: auto;
  overflow: hidden;
  min-width: 1200px;
  max-width: 1920px;
  margin: 0 auto;
}
.header{
  width: 100%;
  height: 76px;
  top: 0;
  left: 0;
  background: #fff;
  border-bottom: 3px solid #c7c7c7;
  overflow: hidden;
}
.center{
  position: relative;
  width: 1215px;
  height: 100%;
  margin: 0 auto;
}
.header .logo{
  margin-top: 10px;
  margin-left: 44px;
}
.header ul{
  width: 680px;
  height: 100%;
  float: right;
}
.header ul li{
  position: relative;
  width: 170px;
  height: 100%;
  float: left;
  text-align: center;
  line-height: 76px;
  font-size: 16px;
  color: #2a2a2a;
  cursor: pointer;
}
.header ul li::after{
  position: absolute;
  content: '';
  width: 1px;
  height: 27px;
  background-color: #4d4d4d;
  top: 0;
  bottom: 0;
  right: -1px;
  margin: auto;
}
.header ul a:last-child li::after{
  display: none;
}
.header ul li.active{
  color: #fff;
  background-color: #4776f5;
}
.header ul li.active::after{
  display: none;
}
h4{
  margin: 20px auto;
  font-size: 18px;
}
p {
  margin: 0 auto;
  font-size: 16px;
  line-height: 24pt;
  color: #333333;
  text-indent: -0.8em;
  padding-left: 2em;
  margin-left: -1em;
}
.footer{
  width: 100%;
  height: 213px;
  margin-top: 20px;
  background: #000;
  color: #fff;
  text-align: center;
  line-height: 213px;
}
.header .logo-font{
  /* color: #ad45fe; */
  color: #000;
  font-size: 35px;
  font-weight: 600;
}
.display_flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
}