.warp header {
  width: 100%;
  position: fixed;
  left: 0;
  top: 0;
  background-color: rgba(255, 255, 255, .5);
  height: 96px;
  z-index: 99;
}

.index header {
  background-color: #fff;
}

.warp header.active {
  background-color: #fff;
  transition: all .5s;
}

.warp header .header .logo{
	height: 70px;
}

.warp header .header {
  width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 96px;
}

.warp header .header img.nav_img {
  display: none;
}

.warp header .header .nav ul {
  display: flex;
  position: relative;
}

.warp header .header .nav ul li {
  width: 140px;
  text-align: center;
}

.warp header .header .nav ul li a {
  font-size: 16px;
  color: #222222;
}

.warp header .header .nav ul li .move_div {
  display: none;
}

.warp header .header .nav ul li:first-child {
  display: none;
}

.warp header .header .nav ul li.active a {
  color: #0f75e8;
}

.warp header .header .nav ul li:hover a {
  color: #0f75e8;
}

.warp header .header .nav ul .move_div_pc {
  width: 140px;
  height: 4px;
  border-radius: 5px;
  transition: all .5s;
  -moz-transition: all .5s;
  -webkit-transition: all .5s;
  -o-transition: all .5s;
  margin-left: 0;
  bottom: -20px;
  position: absolute;
  background-color: none;
}

.warp header .header .nav ul .move_div_pc span {
  width: 18px;
  height: 4px;
  border-radius: 5px;
  background-color: #0f75e8;
  position: absolute;
  left: 50%;
  transform: translate(-50%, 0%);
}

@media screen and (max-width: 750px) {
  .warp header {
    height: .88rem;
  }
  .warp header.active {
    background-color: #fff;
    transition: all .5s;
  }
  .warp header .header {
    width: 100%;
    height: .88rem;
    position: relative;
    padding: 0 .68rem;
  }
  .warp header .header img {
    width: .88rem;
  }
  .warp header .header .logo {
    height: .7rem;
    width: auto;
  }
  .warp header .header img.nav_img {
    width: .5rem;
    display: block;
  }
  .warp header .header .mask {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 70;
    display: none;
  }
  .warp header .header .mask .nav {
    width: 3.72rem;
    position: absolute;
    background-color: #f3f3f3;
    right: -3.72rem;
    height: 100vh;
    top: 0;
    z-index: 99;
  }
  .warp header .header .mask .nav ul {
    display: inherit;
  }
  .warp header .header .mask .nav ul li {
    width: 100%;
    text-align: left;
    height: .7rem;
    background-color: #fff;
    margin-bottom: 1px;
    position: relative;
  }
  .warp header .header .mask .nav ul li a {
    font-size: .24rem;
    line-height: .7rem;
    display: block;
    margin-left: .42rem;
  }
  .warp header .header .mask .nav ul li .move_div {
    position: absolute;
    background-color: #0f75e8;
    width: .04rem;
    height: .18rem;
    border-radius: 0;
    z-index: 1;
    display: block;
    margin-left: 0;
    top: 50%;
    transform: translate(0%, -50%);
    display: none;
    transition: all .5s;
    -moz-transition: all .5s;
    -webkit-transition: all .5s;
    -o-transition: all .5s;
  }
  .warp header .header .mask .nav ul li:first-child {
    font-size: .24rem;
    line-height: .7rem;
    color: #222222;
    text-align: center;
    display: block;
  }
  .warp header .header .mask .nav ul li.active .move_div {
    display: block;
  }
  .warp header .header .mask .nav ul .move_div_pc {
    display: none;
  }
}