header {
  width: 100%;
  height: 65px;
  margin-bottom: 30px;
  position: fixed;
  top: 0;
  background-color: #fff;
  z-index: 999;
  
    box-shadow: rgba(149, 157, 165, 0.2) 0px 8px 24px;
}
@media screen and (max-width: 750px) {
  header {
    height: auto;
  }
}
header .hea_box {
  width: 80%;
  height: 65px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  

  
}
@media screen and (max-width: 750px) {
  header .hea_box {
    display: none;
  }
}
header .hea_box .heab_logo {
  display: flex;
  align-items: center;
  height: 65px;
}
header .hea_box .heab_logo img {
  width: 50px;
  height: 50px;
  margin-right: 15px;
}
header .hea_box .heab_logo span {
  font-size: 15px;
  color: #0088cc;
  
color: #26A4E4;
font-family: Alibaba PuHuiTi 2.0;
font-size: 13px;
font-style: normal;
font-weight: 400;
line-height: normal;
  
}
header .hea_box .heab_logo .menu {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 65px;
  width: 380px;
  margin-left: 40px;
}
header .hea_box .heab_logo .menu a {
  font-size: 15px;
  color: #000;
  box-sizing: border-box;
}

header .hea_box .heab_logo .menu a:hover{
    border-bottom: 1px solid #26A4E4;
     color: #26A4E4 !important;
}
header .hea_box .heab_btns .menu {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 65px;
  width: 500px;
  margin-right: 79px;
}
header .hea_box .heab_btns .menu a {
  font-size: 15px;
  color: #000;
}
.aact {
    color: #26A4E4 !important;
    border-bottom: 1px solid #26A4E4;
}
header .hea_box .heab_btns {
  display: flex;
  align-items: center;
}
header .hea_box .heab_btns img {
  width: 21px;
  height: 17px;
}
header .hea_box .heab_btns .appdown {
  display: block;
  width: 100px;
  height: 30px;
  background-color: #0088cc;
  border-radius: 10px;
  font-size: 14px;
  color: #fff;
  text-align: center;
  line-height: 30px;
}
header .hea_box .heab_btns .appdown:hover{
    background-color: #0874ab;
}
header .hea_box .heab_btns .twitter_logo {
  margin-left: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 45px;
  height: 30px;
  background-color: #fff;
  border-radius: 10px;
}
header .heab_box {
  display: none;
  width: 80%;
  margin: 10px auto;
}
@media screen and (max-width: 750px) {
  header .heab_box {
    display: block;
  }
}
header .heab_box .hb_tit {
  display: flex;
  justify-content: space-between;
}
header .heab_box .hb_tit .hbt_left {
  display: flex;
  align-items: center;
}
header .heab_box .hb_tit .hbt_left .close {
  display: none;
}
header .heab_box .hb_tit .hbt_left span {
  margin-left: 10px;
  color: #0088cc;
  font-size: 20px;
}
header .heab_box .hb_tit .hbt_right {
  width: 100px;
  height: 30px;
  background-color: #0088cc;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}
header .heab_box .hb_tit .hbt_right a {
  color: #fff;
}
header .heab_box .hb_nav {
  background-color: #fff;
  display: none;
}
header .heab_box .hb_nav ul {
  margin-top: 10px;
}
header .heab_box .hb_nav ul li {
  margin-bottom: 10px;
}
header .heab_box .hb_nav ul li a {
  color: #000;
}