.dxvn-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: linear-gradient(135deg, #0b0b0c 0%, #1b1b1f 100%);
  box-shadow: 0 8px 24px rgba(6, 45, 79, 0.24);
}

.dxvn-header__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 8px 16px;
  display: flex;
  align-items: center;
  gap: 18px;
}

.dxvn-header__brand {
  flex: 0 0 200px;
  display: flex;
  align-items: center;
}

.dxvn-header__logo-link {
  display: inline-flex;
  align-items: center;
}

.dxvn-header__logo-link img {
  display: block;
  max-height: 52px;
  width: auto;
  filter: drop-shadow(0 3px 10px rgba(0, 0, 0, 0.2));
}

.dxvn-header__site-title {
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 20px;
}

.dxvn-header__mobile-lang {
  display: none;
}

.dxvn-header__desktop-lang {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 25px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
}

.dxvn-header__desktop-lang a.gt_switcher-popup {
  display: inline-flex !important;
  flex-direction: row !important;
  align-items: center !important;
  gap: 2px !important;
  white-space: nowrap !important;
  min-height: 44px !important;
  padding: 0 6px 0 2px !important;
  box-sizing: border-box !important;
  line-height: 1 !important;
}

.dxvn-header__desktop-lang a.gt_switcher-popup > * {
  display: inline-flex !important;
  align-items: center !important;
  white-space: nowrap !important;
}

.dxvn-header__desktop-lang a.gt_switcher-popup span,
.dxvn-header__desktop-lang .gt_switcher-popup span {
  color: #ffffff !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  line-height: 1 !important;
  padding: 0 !important;
  white-space: nowrap !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
}

.dxvn-header__toggle {
  margin-left: auto;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.15);
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.dxvn-header__toggle-bar {
  width: 20px;
  height: 2px;
  background: #fff;
  border-radius: 999px;
}

.dxvn-header__menu-wrap {
  display: flex;
  align-items: center;
  gap: 18px;
  flex: 1;
  justify-content: center;
}

.dxvn-header__nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.dxvn-header__menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  width: min(100%, 590px);
  justify-content: center;
  flex: 1;
}

.dxvn-header__menu li {
  list-style: none;
  position: relative;
}

.dxvn-header__menu .sub-menu {
  list-style: none;
  margin: 0;
  padding: 8px;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 210px;
  background: #0b4b7d;
  border-radius: 10px;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.22);
  display: none;
  z-index: 20;
}

.dxvn-header__menu > li.menu-item-has-children > a {
  padding-bottom: 12px;
}

.dxvn-header__menu > li.menu-item-has-children::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  height: 10px;
}

.dxvn-header__menu .sub-menu li + li {
  margin-top: 4px;
}

.dxvn-header__menu .sub-menu a {
  width: 100%;
  justify-content: flex-start;
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 14px;
}

.dxvn-header__menu .sub-menu a::before {
  content: "↳";
  display: inline-block;
  margin-right: 8px;
  color: #8fc5eb;
  font-weight: 700;
}

.dxvn-header__menu > li:hover > .sub-menu,
.dxvn-header__menu > li:focus-within > .sub-menu {
  display: block;
}

.dxvn-header__menu a {
  color: #e9f5ff;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  display: inline-flex;
  justify-content: center;
  text-align: center;
  padding: 10px 15px;
  line-height: 1.1;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.dxvn-header__menu > li.menu-item-has-children > a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.dxvn-header__menu > li.menu-item-has-children > a::after {
  content: "";
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  opacity: 0.9;
  transform: translateY(1px);
}

.dxvn-submenu-toggle {
  display: none;
}

.dxvn-header__menu a:hover,
.dxvn-header__menu .current-menu-item > a {
  color: #f1d86e;
  border-bottom-color: #f1d86e;
}

.dxvn-header__actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 270px;
  justify-content: flex-end;
}

.dxvn-header__hotline {
  display: inline-flex;
  flex-direction: column;
  line-height: 1.1;
  text-decoration: none;
  color: #fff;
  min-height: 44px;
  padding: 6px 10px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.14);
}

.dxvn-header__hotline:hover,
.dxvn-header__hotline:focus-visible {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.2);
  text-decoration: none;
}

.dxvn-header__hotline-label {
  font-size: 11px;
  opacity: 0.85;
}

.dxvn-header__hotline-number {
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
}

.dxvn-header__cta {
  text-decoration: none;
  color: #082e4f;
  background: #d9bc4a;
  border-radius: 999px;
  min-height: 44px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 800;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.dxvn-header__cta:hover {
  background: #caa633;
  color: #082e4f;
}

.dxvn-header__notice {
  margin: 0;
  padding: 0 16px 10px;
  font-size: 12px;
  color: #fef3c7;
}

@media (max-width: 1024px) {
  .dxvn-header__brand {
    flex: 0 0 auto;
  }

  .dxvn-header__logo-link img {
    max-height: 46px;
  }

  .dxvn-header__toggle {
    display: inline-flex;
  }

  .dxvn-header__mobile-lang {
    display: inline-flex;
    margin-left: auto;
    align-items: center;
  }

  .dxvn-header__desktop-lang {
    display: none;
  }

  .dxvn-header__mobile-lang > * {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .dxvn-header__mobile-lang a.gt_switcher-popup span {
    color: #ffffff !important;
    font-size: 13px !important;
    padding: 0 !important;
  }

  .dxvn-header__menu-wrap {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #0a3f6b;
    padding: 10px 16px 14px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    max-height: calc(100vh - 90px);
    overflow-y: auto;
  }

  .dxvn-header.is-open .dxvn-header__menu-wrap {
    display: flex;
  }

  .dxvn-header__menu {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    width: 100%;
    justify-content: flex-start;
    flex: initial;
  }

  .dxvn-header__menu > li {
    width: 100%;
  }

  .dxvn-header__menu .sub-menu {
    position: static;
    top: auto;
    left: auto;
    min-width: 0;
    padding: 4px 0 0 14px;
    margin: 0;
    display: none;
    background: transparent;
    box-shadow: none;
    border-radius: 0;
  }

  .dxvn-header__menu > li:hover > .sub-menu,
  .dxvn-header__menu > li:focus-within > .sub-menu {
    display: none;
  }

  .dxvn-header__menu > li.is-submenu-open > .sub-menu {
    display: block;
  }

  .dxvn-header__menu .sub-menu a {
    padding: 9px 12px;
    font-size: 14px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 8px;
  }

  .dxvn-header__nav {
    display: block;
  }

  .dxvn-header__menu a {
    display: block;
    border-radius: 8px;
    padding: 10px 12px;
    background: rgba(255, 255, 255, 0.07);
    text-align: left;
  }

  .dxvn-header__menu > li.menu-item-has-children > a::after {
    display: none;
  }

  .dxvn-header__menu > li.menu-item-has-children > a {
    display: block;
    width: 100%;
    padding-right: 44px;
  }

  .dxvn-submenu-toggle {
    display: inline-flex;
    position: absolute;
    top: 6px;
    right: 8px;
    width: 34px;
    height: 34px;
    border: 0;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.12);
    align-items: center;
    justify-content: center;
    cursor: pointer;
  }

  .dxvn-submenu-toggle span {
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 6px solid #e9f5ff;
    transition: transform 0.2s ease;
  }

  .dxvn-header__menu > li.is-submenu-open > .dxvn-submenu-toggle span {
    transform: rotate(180deg);
  }

  .dxvn-header__actions {
    flex-direction: column;
    align-items: stretch;
    flex: initial;
  }

  .dxvn-header__hotline,
  .dxvn-header__cta {
    justify-content: center;
    text-align: center;
  }
}