.header {
  padding:0 20%;
  width: 100%;
  height: 80px;
  position: fixed;
  z-index: 1;
  background: rgba(255,255,255,0.5);
  backdrop-filter: blur(10px);
}

.logo {
  width: 38px;
  height: 38px;
  margin: 22px 0 0 0;
}

.logo_describe {
  width: 112px;
  height: 42px;
  margin: 19px 0 0 12px;
}

.logo_name {
  height: 25px;
  overflow-wrap: break-word;
  color: rgba(0, 0, 0, 0.9);
  font-size: 18px;
  font-weight: 500;
  text-align: left;
  white-space: nowrap;
  line-height: 25px;
}

.logo_full_name {
  width: 112px;
  height: 17px;
  overflow-wrap: break-word;
  color: rgba(0, 0, 0, 0.38);
  font-size: 12px;
  text-align: left;
  white-space: nowrap;
  line-height: 17px;
}

.nav {
  width: 80%;
  height: 28px;
  margin-top: 29px;
  padding: 0 10%;
}

.nav_text {
  color: rgba(0, 0, 0, 0.6);
  font-size: 16px;
  font-weight: 500;
  white-space: nowrap;
}

.nav_text a{
  color: inherit; 
  text-decoration: none;
}

/* 当前页面导航项样式 */
.nav_home_text.current,
.nav_about_text.current,
.nav_contact_text.current {
  color: rgba(0, 0, 0, 0.9);
  padding-bottom: 25px;
  border-bottom: 2px solid rgba(26, 109, 255, 1);
}

.img_lang {
  width: 20px;
  height: 20px;
  margin-top: 30px;
}