.header {
  background: #111315;
}
.ga {
 
  background-position: top left;
  width: 100%;
  background-size: 100%;
  height: 100%;
  background-size: cover;
  background-repeat: repeat-x;
}
.gag {
  display: flex;
  max-width: 1300px;
  margin: 0 auto;
  justify-content: space-between;
  align-items: center;
}
.logo {
  font-family: Poppins, Poppins;
  font-weight: 600;
  font-size: 30px;
  color: #ffffff;
  line-height: 48px;

}
.back-to-top {
    border: none;
    background: none;
    position: fixed;
    right: 100px;
    font-size: 24px;
    line-height: 40px;
    border-radius: 50%;
    bottom: 200px;
    display: none;
    z-index: 10;
    cursor: pointer;
}
.ull {
  display: flex;
}
.ul_lhome {
  display: none;
}
.ull li {
  padding: 24px;
  font-family: Poppins, Poppins;
  font-weight: 600;
  font-size: 16px;
  color: #ffffff;
  line-height: 24px;
}
.ull li span {
  width: 8px;
  height: 8px;
  display: inline-block;
  margin-right: 8px;
  background: #99ee2d;
}
.ull li a {
  display: flex;
  align-items: center;
}
.ictegory2 {
  display: none;
}

@media (max-width: 1380px) {
  .gag {
    width: 95%;
  }
}
@media (max-width: 900px) {
  .ga {
  
    background-size: auto;
  }
  .ictegory2 {
    display: block;
  }

  .ul_li {
    display: none;
  }
  .ul_lhome {
    display: block;
  }
  .icon-home3:before {
    font-size: 24px;
    color: #ffdf40;
  }
  .icon-search:before,
  .icon-category2:before {
    font-size: 24px;
    color: #ffdf40;
  }
  .icon-search:before {
    color: #ffdf40;
  }
}
@media (max-width: 750px) {
  .icon-search:before {
    font-size: 16px;
  }

  .ull li {
    padding: 12px;
  }

  .icon-search:before {
    font-size: 24px;
  }

  .logo {
    font-size: 18px;
    line-height: 28px;
  
  }

  .icon-home3:before,
  .icon-category2:before,
  .icon-search:before {
    font-size: 20px;
    font-weight: 100;
  }
  .ga {

    background-size: cover;
  }
}

/* 遮罩 */
.overlay {
  display: none;
}
.overlay {
  display: block;
  opacity: 0;
  visibility: hidden;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  transition: opacity 0.5s, visibility 0.5s;
  -webkit-transition: opacity 0.5s, visibility 0.5s;
  -moz-transition: opacity 0.5s, visibility 0.5s;
  -ms-transition: opacity 0.5s, visibility 0.5s;
  -o-transition: opacity 0.5s, visibility 0.5s;
}
.overlay.visible {
  opacity: 1;
  visibility: visible;
}
.overlay-content {
  position: fixed;
  top: 0;
  left: -300px;
  width: 100%;
  height: 100%;
  transition: transform 0.5s;
  transform: translateX(-100%);
  background: #111315;
  padding: 24px;
}
.overlay.visible .overlay-content {
  transform: translateX(0);
  left: 0;
}
.shohui {
  display: flex;
  padding-top: 30px;
  padding-right: 30px;
  justify-content: flex-end;
}
.icon-close-0605:before {
  font-size: 26px;
  background: #fff;
  border-radius: 50%;
}
.usho {
  padding-left: 20px;
}
.usho li {
  padding: 10px 0;
  font-family: Poppins, Poppins;
  font-weight: 600;
  font-size: 24px;
  color: #ffffff;
  line-height: 36px;
}
.usho li span {
  width: 8px;
  height: 8px;
  display: inline-block;
  margin-right: 8px;
  background: #99ee2d;
}
.usho li a {
  display: flex;
  align-items: center;
}

@media (max-width: 640px) {
  .overlay-content {
    padding: 5px;
  }
  .ddd {
    max-width: 50% !important;
  }
  .usho li {
    font-size: 16px;
    line-height: 24px;
  }
}

@media (max-width: 344px) {
  .ull li {
    margin: 6px 8px;
  }
}