.menu_pc {
  padding: 20px 35px 10px 35px;
  font-size: 14px;

  display: flex;
  background-color: #000;
  justify-content: space-between;
  /* 底对齐 */
  align-items: flex-end;
}
.menu_left {
  display: flex;
  /* 底对齐 */
  align-items: flex-end;
  font-family: Poppins_Bold, Arial, sans-serif;
}
.menu_item_box {
  display: flex;

  justify-content: space-between;

  margin-left: 45px;
}

.menu_pc .menu_logo {
  width: 200px;
}
.menu_pc .menu_item {
  position: relative;
  margin-right: 20px;
}
.menu_pc .menu_item_btn {
  cursor: pointer;
  color: #fff;

  height: 30px;
  font-size: 16px;
}

.menu_pc .menu_item_btn:hover {
  color: var(--blue);
}

.menu_pc .menu_item_btn::after {
  content: ' ';
  position: absolute;
  right: 2px;
  top: 8px;
  width: 15px;
  height: 9px;
}
.menu_pc .has_child {
  padding-right: 20px;
}

.menu_pc .has_child::after {
  background-image: url('../images/arrow5a.png');
  background-size: 100% 100%;
}
.menu_pc .has_child:hover::after {
  background-image: url('../images/arrow5b.png');
}
.menu_pc .menu_item_btn.active {
  color: var(--blue);
}
.menu_pc .menu_item_btn.active::after {
  background-image: url('../images/arrow5b.png');
}
.menu_pc .menu_item .act {
  color: var(--blue);
}
.menu_pc .menu_item .act::after {
  background-image: url('../images/arrow5b.png');
}
/* 二级导航 */
.menu_pc .child_menu {
  background-color: #000;
  padding: 5px 15px;
  position: absolute;
  top: 30px;
  left: -15px;
  z-index: 2;
  display: none;
}
.menu_pc .child_menu_btn {
  cursor: pointer;
  color: #fff;
  margin-bottom: 5px;
  font-size: 16px;
  display: block;
  /* 不要换行 */
  white-space: nowrap;
}
.menu_pc .child_menu_btn:hover {
  color: var(--blue);
}
.menu_pc .child_menu_btn.act {
  color: var(--blue);
}
.sign_in_btn {
  padding: 0 10px;
  line-height: 30px;
  border-radius: 30px;
  border: 2px solid #fff;
  color: #fff;

  font-family: Poppins_Bold, Arial, sans-serif;
  cursor: pointer;
}

.sign_in_btn:hover {
  color: #fff;
  border: 1px solid var(--blue);
  background-color: var(--blue);
}
.menu_pc .show {
  display: block;
}

.menu_mobile {
  display: none;
}
.link_box {
  position: absolute;
  display: flex;
  right: 30px;
  top: 20px;
}
.top_icon {
  width: 30px;
  margin-left: 10px;
}
.top_icon img {
  display: block;
  width: 100%;
}
.menu_mobile_btn_box {
  display: none;
}
.is_mobile {
  display: none;
}
/* 如果是平板端 */
@media screen and (max-width: 1219px) {
  .is_mobile {
    display: block;
  }
  .menu_pc {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    background-color: #000;
    width: 100%;
    height: 80px;
    padding: 0;
  }
  .menu_pc .menu_logo {
    width: 120px;
    padding-left: 10px;
    margin-top: 15px;
  }
  .menu_mobile_btn_box {
    display: block;
  }
  .menu_mobile_btn {
    width: 30px;
    height: 20px;
    position: absolute;
    right: 20px;
    bottom: 10px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    cursor: pointer;
  }
  .menu_mobile_btn .line {
    width: 100%;
    height: 4px;
    border-radius: 4px;
    background-color: #fff;
  }
  .menu_mobile_btn:hover .line {
    background-color: var(--blue);
  }
  .menu_mobile_btn.active .line {
    background-color: var(--blue);
  }

  .content {
    padding-top: 80px;
  }
  .menu_item_box {
    background-color: #000;
    display: block;
    position: absolute;
    top: 79px;
    left: 0;
    width: 100%;
    margin-left: 0;
    display: none;
    overflow-y: scroll;
    max-height: calc(100vh - 80px);
  }
  .menu_pc .menu_item {
    cursor: pointer;
    width: 80%;
  }
  .menu_pc .menu_item_btn {
    padding: 0 20px;
    font-family: Poppins_Bold, Arial, sans-serif;

  
    height: 60px;
    line-height: 60px;
    display: inline;
    position: relative;
  }
  .menu_pc .menu_item_btn:hover {
    color: var(--blue);
  }
  .menu_pc .menu_item_btn::after {
    content: ' ';
    position: absolute;
    right: 2px;
    top: 6px;
    width: 15px;
    height: 9px;
  }
  .menu_pc .has_child::after {
    background-image: url('../images/arrow5a.png');
    background-size: 100% 100%;
  }
  .menu_pc .has_child:hover::after {
    background-image: url('../images/arrow5b.png');
  }
  .menu_pc .menu_item_btn.active {
    color: var(--blue);
  }
  .menu_pc .menu_item_btn.active::after {
    background-image: url('../images/arrow5b.png');
  }
  /* 二级导航 */
  .menu_pc .child_menu {
    width: 100%;
    background-color: #000;
    padding: 0 20px;

    position: static;
    display: none;
  }
  .menu_pc .child_menu_btn {
    cursor: pointer;
    color: #fff;
    margin-bottom: 5px;
  }
  .menu_pc .child_menu_btn:hover {
    color: var(--blue);
  }
  .menu_pc .show {
    display: block;
  }
  .sign_in_btn {
    padding: 0 10px;
    line-height: 20px;
    border-radius: 20px;
   
    font-size: 14px;
    cursor: pointer;
    position: absolute;
    right: 70px;
    bottom: 10px;
    margin-bottom: 0;
  }

  .link_box {
    position: absolute;
    display: flex;
    right: 20px;
    top: 10px;
  }
  .top_icon {
    width: 20px;
    margin-left: 10px;
  }
}