.header-container {
    width: 1407px;
    height: 80px;
    background: rgba(255,255,255,0.5);
    backdrop-filter: blur(8px);
    border-radius: 40px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.15), inset 0 2px 12px rgba(0,0,0,0.10);
    position: fixed;
    top: 0 !important;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    display: flex;
    align-items: center;
    padding: 0 21px 0 0;
    margin: 0 auto;
    box-sizing: border-box;
    /* backdropFilter: blur(2px) */
  }
  
  .header-left .logo {
    width: 137px;
    height: 58px;
    object-fit: contain;
  }
  
  .header-left img {
    margin-left: 21px;
    margin-top: 11px;
    margin-bottom: 11px;
  }
  
  .header-menu-nav {
    position: absolute;
    left: 160px;
    top: 29px;
    width: 890px;
    height: 21px;
    display: flex;
    align-items: center;
    background: transparent;
    z-index: 11;
  }
  
  .header-menu-nav ul {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    margin: 0;
    padding: 0;
    list-style: none;
    width: 890px;
    height: 21px;
    background: transparent;
  }
  
  .header-menu-nav li {
    display: flex;
    align-items: center;
    height: 21px;
    font-size: 14px;
    padding: 0 8px;
    white-space: nowrap;
  }
  
  .header-menu-nav li.dropdown {
    position: relative;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .header-menu-nav .chevron-svg svg polyline {
    stroke: #222;
  }
  
  .header-menu-nav .dropdown-content {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    width: 160.98px;
    background: #fff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    margin-top: 0;
    padding: 0;
    z-index: 1000;
    display: none;
  }
  
  /* Thêm một pseudo-element để tạo vùng an toàn khi hover */
  .header-menu-nav li.dropdown::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    height: 8px;
    background: transparent;
  }
  
  .header-menu-nav .dropdown-content a,
  .header-menu-nav .dropdown-content div {
    color: #000000;
  }
  
  .header-menu-nav .dropdown-content a {
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 12px;
    height: 40px;
    width: 100%;
    transition: background-color 0.2s;
    text-align: center;
    padding: 0;
    position: relative;
  }
  
  .header-menu-nav .dropdown-content a.hovered {
    background-color: #C5C5C5;
  }
  
  .header-menu-nav .dropdown-content div.hovered {
    background-color: #C5C5C5;
  }
  
  /* CSS cho solution dropdown và submenu */
  .solution-dropdown {
    position: relative;
  }
  
  .solution-item {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 12px;
    height: 40px;
    width: 100%;
    transition: background-color 0.2s;
    text-align: center;
    padding: 0;
  }
  
  .solution-item.hovered {
    background-color: #C5C5C5;
  }
  
  .submenu-content {
    position: absolute;
    left: 100%;
    top: 0;
    width: 120px;
    background: #fff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-radius: 4px;
    z-index: 1001;
    padding: 8px 0;
  }
  
  .submenu-item {
    display: block;
    padding: 8px 12px;
    color: #000;
    text-decoration: none;
    font-size: 12px;
    transition: background-color 0.2s;
  }
  
  .submenu-item:hover {
    background-color: #C5C5C5;
  }
  
  /* Đảm bảo submenu không bị che khuất */
  .solution-item:hover .submenu-content {
    display: block;
  }
  
  .header-right {
    display: flex;
    align-items: center;
    height: 100%;
    gap: 24px;
    margin-left: auto;
  }
  
  .header-right .lang-switch span {
    font-weight: 400;
    cursor: pointer;
  }
  
  .header-right .lang-switch span.active {
    font-weight: 700;
  }
  
  .header-right .btn-portal {
    padding: 8px 16px;
    border-radius: 20px;
    border: none;
    background: #D72323;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  
  .solution-dropdown-container {
    display: flex;
    background: #fff;
    padding: 0 !important;
    width: auto !important;
    height: auto !important;
  }
  
  .solution-main-menu, .solution-submenu-wrapper {
    display: flex;
    flex-direction: column;
  }
  
  .solution-menu-item, .solution-submenu-item, .active-header {
    display: flex !important;
    align-items: center;
    justify-content: space-between !important;
    padding: 0 16px !important;
    color: #000 !important;
    height: 40px;
    text-align: left !important;
    width: 100% !important;
    font-size: 14px !important;
    text-decoration: none;
    transition: background-color 0.2s;
    border-radius: 0 !important;
  }
  
  .solution-submenu-item {
    display: flex;
    height: 40px;
    padding: 10px;
    justify-content: center;
    align-items: center;
    align-self: stretch;
    color: #222;
    font-size: 15px;
    background: #fff;
    border-radius: 4px;
    transition: background 0.2s;
  }
  
  .solution-menu-item:hover, .solution-submenu-item:hover {
    background-color: #f0f0f0;
  }
  
  .solution-active-container {
    display: flex;
    align-items: flex-start;
  }
  
  .solution-active-header {
    flex: 1;
    padding: 0 16px;
  }
  
  .solution-active-header a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 40px;
    text-decoration: none;
    font-weight: bold;
    color: #D72323 !important;
  }
  
  .solution-active-submenu {
    flex: 2;
    display: flex;
    flex-direction: column;
  }
  
  .main-title {
    font-weight: bold;
  }
  
  .active-header {
    font-weight: bold;
    color: #D72323 !important;
  }
  
  .separator {
    border: none;
    border-top: 1px solid #E0E0E0;
    margin: 8px 0;
  }
  
  .back-button {
    justify-content: flex-start !important;
    border-bottom: 1px solid #E0E0E0;
    cursor: pointer;
  }
  
  /* Mega menu gọn gàng, chuyên nghiệp */
  .solution-mega-menu {
    width: auto;
    min-width: unset;
    max-width: 90vw;
    background: #e9e9e9;
    border-radius: 10px !important;
    overflow: visible;
    border: 1px solid #e0e0e0;
    box-shadow: 0 4px 24px rgba(0,0,0,0.10);
    animation: fadeInMenu 0.18s;
    transition: min-width 0.3s ease;
    padding: 0;
  }
  
  /* Khi khung bên phải bị ẩn, giảm kích thước dropdown */
  .solution-mega-menu:not(.has-right-panel) {
    min-width: 130px;
  }
  
  @keyframes fadeInMenu {
    from { opacity: 0; transform: translateY(10px);}
    to { opacity: 1; transform: translateY(0);}
  }
  
  .solution-mega-row {
    display: flex;
    gap: 47px;
    align-items: flex-start;
  }
  
  .solution-mega-left {
    width: 70px;
    background: #e9e9e9;
    display: flex;
    flex-direction: column;
    padding: 10px 0;
    border-right: 1px solid #ececec;
    border-radius: 0 !important;
  }
  
  .solution-menu-item {
    width: 100%;
    padding: 8px 8px;
    cursor: pointer;
    font-size: 15px;
    color: #222;
    transition: background 0.15s, color 0.15s, font-weight 0.15s;
    border: none;
    background: none;
    text-align: left;
    position: relative;
    font-weight: 500;
    border-radius: 6px 0 0 6px;
    display: flex;
    justify-content: flex-start;
    align-items: center;
  }
  
  .solution-menu-item.active,
  .solution-menu-item:hover {
    background: #d9d9d9;
    color: #222;
    font-weight: 500;
  }
  
  .solution-mega-right {
    min-width: 150px;
    padding: 10px 10px;
    background: #e9e9e9;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    animation: fadeInMenu 0.18s;
    display: none; /* Ẩn mặc định */
    border-radius: 0 !important;
  }
  
  .solution-mega-right.show {
    display: flex; /* Hiện ra khi có class show */
  }
  
  .solution-submenu {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
  
  .solution-submenu a {
    color: #222;
    text-decoration: none;
    font-size: 15px;
    padding: 6px 0 6px 66px;
    border-radius: 5px;
    transition: color 0.15s, background 0.15s;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: flex-start !important;
    text-align: left !important;
    position: relative;
    width: 100%;
  }
  
  .solution-submenu a:hover {
    color: #222;
    background: #d9d9d9;
  }
  
  @media (max-width: 600px) {
    .solution-mega-menu, .solution-mega-row {
      min-width: 90vw;
      flex-direction: column;
    }
    .solution-mega-left, .solution-mega-right {
      width: 100%;
      min-width: unset;
      padding: 10px;
      border: none;
    }
  }
  
  .solution-placeholder {
    height: 40px;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
  }
  
  .solution-mega-right .main-title {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 8px;
  }
  
  .solution-mega-submenu-list {
    display: flex;
    flex-direction: column;
    background: #fff;
    min-width: 180px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    border-radius: 4px;
    padding: 0;
    border-radius: 0 !important;
  }
  
  .solution-submenu-item:hover {
    background: #f5f5f5;
  }
  
  .separator {
    border: none;
    border-top: 1px solid #E0E0E0;
    margin: 12px 0 8px 0;
  }
  
  .dropdown-content.solution-mega-menu {
    width: 113px;
    border-radius: 0 !important;
  }
  
  .solution-menu-item svg,
  .solution-submenu-item svg {
    margin-left: -10px;
  } 
  
  .service-hover {
    background: #C4C4C4 !important;
  } 
  
  .header-menu-nav > ul > li.dropdown:first-child {
    display: flex;
    align-items: center;
    width: 197px;
    height: 44px;
    flex-direction: column;
    flex-shrink: 0;
    margin-left: 9.94px;
    padding: 0;
  } 
  
  .vechungtoi-inner {
    display: flex;
    align-items: center;
    gap: 10px;
    height: 44px;
  }
  
  .vechungtoi-text {
    color: #000;
    text-align: center;
    font-family: Inter, sans-serif;
    font-size: 14px;
    font-style: normal;
    font-weight: 400;
    line-height: 150%; /* 21px */
  }
  
  .vechungtoi-svg svg {
    width: 24px;
    height: 24px;
    display: block;
  } 
  
  .header-menu-nav > ul > li.dropdown:nth-child(2) {
    display: flex;
    width: 198px;
    height: 44px;
    flex-direction: column;
    align-items: flex-start;
    flex-shrink: 0;
    padding: 10px;
    margin-left: -40px;
  } 
  
  .khachhang-inner {
    display: flex;
    align-items: center;
    gap: 0px;
    height: 44px;
  }
  
  .khachhang-text {
    color: #000;
    text-align: center;
    font-family: Inter, sans-serif;
    font-size: 14px;
    font-style: normal;
    font-weight: 400;
    line-height: 150%; /* 21px */
  }
  
  .khachhang-svg svg {
    width: 24px;
    height: 24px;
    display: block;
  } 
  
  .header-menu-nav > ul > li.dropdown:nth-child(3) {
    display: flex;
    width: 97px;
    height: 43.78px;
    padding: 10px;
    justify-content: center;
    align-items: center;
    margin-left: -40px;
  } 
  
  .giaiphap-inner {
    display: flex;
    align-items: center;
    gap: 5px;
    height: 43.78px;
  }
  
  .giaiphap-text {
    color: #000;
    text-align: center;
    font-family: Inter, sans-serif;
    font-size: 14px;
    font-style: normal;
    font-weight: 400;
    line-height: 150%; /* 21px */
  }
  
  .giaiphap-svg svg {
    width: 12.728px;
    height: 7.778px;
    display: block;
    fill: #000;
  } 
  
  .header-menu-nav > ul > li.dropdown:nth-child(4) {
    display: flex;
    align-items: center;
    width: 120px;
    height: 44px;
    flex-shrink: 0;
    margin-left: -15px;
    padding: 0 10px;
    flex-direction: row;
  }
  
  .dichvu-inner {
    display: flex;
    align-items: center;
    gap: 10px;
    height: 100%;
  }
  
  .dichvu-text {
    color: #000;
    text-align: center;
    font-family: Inter, sans-serif;
    font-size: 14px;
    font-style: normal;
    font-weight: 400;
    line-height: 150%; /* 21px */
  }
  
  .dichvu-svg svg {
    width: 24px;
    height: 24px;
    display: block;
  } 
  
  .header-menu-nav > ul > li.dropdown:nth-child(5) {
    display: flex;
    width: 110px;
    height: 59px;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
    margin-left: -10px;
  } 
  
  .tintuc-inner {
    display: flex;
    align-items: center;
    gap: 0px;
    height: 59px;
  }
  
  .tintuc-text {
    color: #000;
    font-family: Inter, sans-serif;
    font-size: 14px;
    font-style: normal;
    font-weight: 400;
    line-height: 30px; /* 214.286% */
  }
  
  .tintuc-svg svg {
    width: 24px;
    height: 24px;
    display: block;
  } 
  
  .header-menu-nav > ul > li.dropdown:nth-child(6) {
    display: flex;
    width: 110px;
    height: 47px;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
    margin-left: 10px;
  } 
  
  .doitac-inner {
    display: flex;
    align-items: center;
    gap: 0px;
    height: 47px;
  }
  
  .doitac-text {
    color: #000;
    font-family: Inter, sans-serif;
    font-size: 14px;
    font-style: normal;
    font-weight: 400;
    line-height: 30px; /* 214.286% */
  }
  
  .doitac-svg svg {
    width: 24px;
    height: 24px;
    display: block;
  } 
  
  .header-menu-nav > ul > li.dropdown:nth-child(7) {
    display: flex;
    width: 100px;
    height: 40px;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
    margin-left: 0;
  } 
  
  .lienhe-inner {
    display: flex;
    align-items: center;
    gap: 10px;
    height: 40px;
  }
  
  .lienhe-text {
    color: #000;
    text-align: center;
    font-family: Inter, sans-serif;
    font-size: 14px;
    font-style: normal;
    font-weight: 400;
    line-height: 30px; /* 214.286% */
  }
  
  .lienhe-svg svg {
    width: 24px;
    height: 24px;
    display: block;
  } 
  
  .lang-switch {
    color: #000;
    font-family: Inter, sans-serif;
    font-size: 16px;
    font-weight: 400;
    line-height: normal;
    text-align: center;
  }
  
  .lang-switch .active {
    font-style: normal;
    font-weight: 700;
  }
  
  .lang-switch span:not(.active) {
    font-style: italic;
    font-weight: 400;
  }
  
  .btn-portal {
    border-radius: 44.565px;
    background: #D72323;
    display: inline-flex;
    height: 40.851px;
    justify-content: center;
    align-items: center;
    padding: 7.428px;
    flex-shrink: 0;
  }
  
  .portal-inner {
    display: flex;
    align-items: center;
    gap: 7.43px;
  }
  
  .portal-text {
    color: #FFF;
    font-family: Inter, sans-serif;
    font-size: 14.855px;
    font-style: normal;
    font-weight: 700;
    line-height: 150%; /* 22.283px */
  }
  
  .portal-svg svg {
    width: 17.826px;
    height: 17.826px;
    display: block;
  } 
  
  /* Ẩn dropdown menu khi load trang, chỉ hiện khi click */
  .header-menu-nav .dropdown-content {
    display: none;
  }
  .header-menu-nav li.dropdown.open .dropdown-content {
    display: block;
  }
  
  /* Chỉ phần tử trong dropdown menu được hover mới đổi màu nền */
  .header-menu-nav .dropdown-content a:hover {
    background: #d7d7d7;
  } 

/* --- Hiệu ứng dropdown 'Về chúng tôi' --- */
.header-menu-nav li.dropdown .dropdown-content.vechungtoi-dropdown {
  background: #e9e9e9 !important;
  overflow: hidden;
  max-height: 0;
  /* opacity: 0; */
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 10px;
  box-shadow: 20px 0 20px -10px rgba(0,0,0,0.10), -20px 0 20px -10px rgba(0,0,0,0.10),
    0 2px 16px 0 rgba(0,0,0,0.10),
    inset 0 0 16px 0 rgba(0,0,0,0.08);
  display: block !important;
  position: absolute;
  left: 50%;
  top: 100%;
  min-width: 230px;
  width: 220px;
  margin-top: 0;
  z-index: 1001;
  transform: translateX(-50%);
}
.header-menu-nav li.dropdown.open .dropdown-content.vechungtoi-dropdown {
  max-height: 1000px;
  /* opacity: 1; */
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.header-menu-nav li.dropdown .dropdown-content.vechungtoi-dropdown a {
  display: flex;
  align-items: center;
  padding: 10px 20px;
  position: relative;
  font-size: 14px;
  color: #222;
  background: transparent;
  transition: background 0.2s;
  justify-content: flex-start;
}
.header-menu-nav li.dropdown .dropdown-content.vechungtoi-dropdown a::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #222;
  margin-right: 12px;
}
.header-menu-nav li.dropdown .dropdown-content.vechungtoi-dropdown a:hover {
  background: #d9d9d9;
  color: #000;
}
/* Áp dụng chấm tròn cho mọi <a> bên trong .vechungtoi-dropdown, kể cả submenu */
.header-menu-nav li.dropdown .dropdown-content.vechungtoi-dropdown a,
.header-menu-nav li.dropdown .dropdown-content.vechungtoi-dropdown .submenu a {
  font-size: 14px;
}
.header-menu-nav li.dropdown .dropdown-content.vechungtoi-dropdown a::before,
.header-menu-nav li.dropdown .dropdown-content.vechungtoi-dropdown .submenu a::before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #222;
  margin-right: 12px;
}
.header-menu-nav .dropdown-content.vechungtoi-dropdown {background: #e9e9e9 !important;} 

/* --- Hiệu ứng dropdown 'Dành cho khách hàng' --- */
.header-menu-nav li.dropdown .dropdown-content.khachhang-dropdown {
  background: #e9e9e9 !important;
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 10px;
  box-shadow: 20px 0 20px -10px rgba(0,0,0,0.10), -20px 0 20px -10px rgba(0,0,0,0.10),
    0 2px 16px 0 rgba(0,0,0,0.10),
    inset 0 0 16px 0 rgba(0,0,0,0.08);
  display: block !important;
  position: absolute;
  left: 50%;
  top: 100%;
  min-width: 230px;
  width: 220px;
  margin-top: 0;
  z-index: 1001;
  transform: translateX(-50%);
}
.header-menu-nav li.dropdown.open .dropdown-content.khachhang-dropdown {
  max-height: 1000px;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.header-menu-nav li.dropdown .dropdown-content.khachhang-dropdown a {
  display: flex;
  align-items: center;
  padding: 10px 20px;
  position: relative;
  font-size: 14px;
  color: #222;
  background: transparent;
  transition: background 0.2s;
  justify-content: flex-start;
  text-align: left;
}
/* Dòng đầu tiên: nền trắng, không có chấm tròn, có hiệu ứng hover */
.header-menu-nav li.dropdown .dropdown-content.khachhang-dropdown a:first-child {
  background: #fff !important;
  font-weight: bold;
  color: #222;
}
.header-menu-nav li.dropdown .dropdown-content.khachhang-dropdown a:first-child::before {
  display: none;
}
.header-menu-nav li.dropdown .dropdown-content.khachhang-dropdown a:first-child:hover {
  background: #d9d9d9 !important;
  color: #222;
}
/* Các dòng còn lại: có chấm tròn nhỏ, hover đầy đủ */
.header-menu-nav li.dropdown .dropdown-content.khachhang-dropdown a:not(:first-child)::before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #222;
  margin-right: 12px;
}
.header-menu-nav li.dropdown .dropdown-content.khachhang-dropdown a:not(:first-child):hover {
  background: #d9d9d9;
  color: #000;
}

/* --- Hiệu ứng dropdown 'Dịch vụ' --- */
.header-menu-nav li.dropdown .dropdown-content.dichvu-dropdown {
  background: #e9e9e9 !important;
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 10px;
  box-shadow: 20px 0 20px -10px rgba(0,0,0,0.10), -20px 0 20px -10px rgba(0,0,0,0.10),
    0 2px 16px 0 rgba(0,0,0,0.10),
    inset 0 0 16px 0 rgba(0,0,0,0.08);
  display: block !important;
  position: absolute;
  left: 50%;
  top: 100%;
  min-width: 235px;
  width: 225px;
  margin-top: 0;
  z-index: 1001;
  transform: translateX(-50%);
}
.header-menu-nav li.dropdown.open .dropdown-content.dichvu-dropdown {
  max-height: 1000px;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.header-menu-nav li.dropdown .dropdown-content.dichvu-dropdown a {
  display: flex;
  align-items: center;
  padding: 10px 20px;
  position: relative;
  font-size: 14px;
  color: #222;
  background: transparent;
  transition: background 0.2s;
  justify-content: flex-start;
  text-align: left;
}
/* Dòng đầu tiên: nền trắng, không có chấm tròn, có hiệu ứng hover */
.header-menu-nav li.dropdown .dropdown-content.dichvu-dropdown a:first-child {
  background: #fff !important;
  font-weight: bold;
  color: #222;
}
.header-menu-nav li.dropdown .dropdown-content.dichvu-dropdown a:first-child::before {
  display: none;
}
.header-menu-nav li.dropdown .dropdown-content.dichvu-dropdown a:first-child:hover {
  background: #d9d9d9 !important;
  color: #222;
}
/* Các dòng còn lại: có chấm tròn nhỏ, hover đầy đủ */
.header-menu-nav li.dropdown .dropdown-content.dichvu-dropdown a:not(:first-child)::before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #222;
  margin-right: 12px;
}
.header-menu-nav li.dropdown .dropdown-content.dichvu-dropdown a:not(:first-child):hover {
  background: #d9d9d9;
  color: #000;
} 

/* --- Hiệu ứng dropdown 'Tin tức - Sự kiện', 'Đối tác - đại lý', 'Liên hệ' --- */
.header-menu-nav li.dropdown .dropdown-content.tintuc-dropdown,
.header-menu-nav li.dropdown .dropdown-content.doitac-dropdown,
.header-menu-nav li.dropdown .dropdown-content.lienhe-dropdown {
  background: #e9e9e9 !important;
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 10px;
  box-shadow: 20px 0 20px -10px rgba(0,0,0,0.10), -20px 0 20px -10px rgba(0,0,0,0.10),
    0 2px 16px 0 rgba(0,0,0,0.10),
    inset 0 0 16px 0 rgba(0,0,0,0.08);
  display: block !important;
  position: absolute;
  left: 50%;
  top: 100%;
  min-width: 230px;
  width: 220px;
  margin-top: 0;
  z-index: 1001;
  transform: translateX(-50%);
}
.header-menu-nav li.dropdown.open .dropdown-content.tintuc-dropdown,
.header-menu-nav li.dropdown.open .dropdown-content.doitac-dropdown,
.header-menu-nav li.dropdown.open .dropdown-content.lienhe-dropdown {
  max-height: 1000px;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.header-menu-nav li.dropdown .dropdown-content.tintuc-dropdown a,
.header-menu-nav li.dropdown .dropdown-content.doitac-dropdown a,
.header-menu-nav li.dropdown .dropdown-content.lienhe-dropdown a {
  display: flex;
  align-items: center;
  padding: 10px 20px;
  position: relative;
  font-size: 14px;
  color: #222;
  background: transparent;
  transition: background 0.2s;
  justify-content: flex-start;
  text-align: left;
}
.header-menu-nav li.dropdown .dropdown-content.tintuc-dropdown a::before,
.header-menu-nav li.dropdown .dropdown-content.doitac-dropdown a::before,
.header-menu-nav li.dropdown .dropdown-content.lienhe-dropdown a::before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #222;
  margin-right: 12px;
}
.header-menu-nav li.dropdown .dropdown-content.tintuc-dropdown a:hover,
.header-menu-nav li.dropdown .dropdown-content.doitac-dropdown a:hover,
.header-menu-nav li.dropdown .dropdown-content.lienhe-dropdown a:hover {
  background: #d9d9d9;
  color: #000;
} 

.solution-mega-menu,
.solution-mega-left,
.solution-mega-right {
  background: #e9e9e9 !important;
} 

.solution-mega-menu {
  border-radius: 10px !important;
}
.solution-mega-left {
  border-radius: 10px 0 0 10px !important;
}
.solution-mega-right {
  border-radius: 0 10px 10px 0 !important;
}