#header-20 {
  position: sticky;
  top: 0;
  z-index: 1030;
  background-color: #343a40;
  color: #f8f9fa;
  padding: 0.6rem 0;
}
#header-20 .navbar-brand img {
  max-height: 38px;
  filter: brightness(0) invert(1);
}
#header-20 .navbar-brand .site-name-text {
  font-size: 1.5rem;
  font-weight: 500;
  color: #fff;
}
#header-20 .navbar-nav .nav-item {
  margin: 0 0.2rem;
}
#header-20 .navbar-nav .nav-link {
  font-weight: 400;
  font-size: 0.9rem;
  color: #adb5bd;
  padding: 0.4rem 0.7rem;
  border-radius: 3px;
  transition: color 0.2s ease, background-color 0.2s ease;
}
#header-20 .navbar-nav .nav-link:hover,
#header-20 .navbar-nav .nav-link.active {
  color: #fff;
  background-color: rgba(255, 255, 255, 0.1);
}
#header-20 .header-contact-utility {
  display: flex;
  align-items: center;
  margin-left: auto;
}
#header-20 .quick-contact-info {
  font-size: 0.85rem;
  color: #ced4da;
  margin-right: 1.5rem;
  display: flex;
  align-items: center;
}
#header-20 .quick-contact-info a {
  color: #e9ecef;
  text-decoration: none;
  transition: color 0.2s ease;
}
#header-20 .quick-contact-info a:hover {
  color: #fff;
  text-decoration: underline;
}
#header-20 .quick-contact-info .contact-divider {
  margin: 0 0.75rem;
  color: #6c757d;
}
#header-20 .quick-contact-info i {
  margin-right: 0.3rem;
  font-size: 0.9em;
}
#header-20 .utility-actions .btn-utility {
  font-size: 0.85rem;
  font-weight: 500;
  color: #fff;
  background-color: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0.4rem 0.8rem;
  margin-left: 0.5rem;
  border-radius: 4px;
  transition: background-color 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}
#header-20 .utility-actions .btn-utility:hover {
  background-color: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.3);
}
#header-20 .utility-actions .btn-utility i {
  margin-right: 0.4rem;
}
#header-20 .navbar-toggler {
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
}
#header-20 .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
#header-20 .navbar-toggler:focus {
  box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.25);
}
@media (max-width: 1199.98px) {
  #header-20 .quick-contact-info {
    display: none;
  }
}
@media (max-width: 991.98px) {
  #header-20 .navbar-collapse {
    margin-top: 0.6rem;
    background-color: #495057;
    padding: 0.5rem 0;
    border-radius: 0 0 4px 4px;
  }
  #header-20 .navbar-nav {
    margin-bottom: 0.5rem;
  }
  #header-20 .navbar-nav .nav-item {
    width: 100%;
    margin: 0;
  }
  #header-20 .navbar-nav .nav-link {
    padding: 0.7rem 1rem;
    border-bottom: 1px solid #5a6268;
  }
  #header-20 .navbar-nav .nav-item:last-child .nav-link {
    border-bottom: none;
  }
  #header-20 .header-contact-utility {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    margin-left: 0;
    padding: 0.5rem 1rem;
  }
  #header-20 .quick-contact-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-right: 0;
    margin-bottom: 0.75rem;
    width: 100%;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid #5a6268;
  }
  #header-20 .quick-contact-info .contact-divider {
    display: none;
  }
  #header-20 .quick-contact-info a {
    margin-bottom: 0.3rem;
  }
  #header-20 .utility-actions {
    display: flex;
    flex-direction: column;
    align-items: stretch;
  }
  #header-20 .utility-actions .btn-utility {
    width: 100%;
    margin-left: 0;
    margin-bottom: 0.5rem;
    text-align: center;
  }
  #header-20 .utility-actions .btn-utility:last-child {
    margin-bottom: 0;
  }
}



#link-section-7 {
  position: relative;
  overflow: hidden;
  padding: 6rem 0;
  background: linear-gradient(
    135deg,
    var(--gradient-start),
    var(--gradient-end)
  );
  color: var(--link_color);
  text-align: center;
}

/* lớp sọc chéo động */
#link-section-7::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 10px,
    var(--stripe_color) 10px,
    var(--stripe_color) 20px
  );
  background-size: 200% 200%;
  /* animation: moveStripes 10s linear infinite; */
  z-index: 0;
}

@keyframes moveStripes {
  from {
    background-position: 0 0;
  }
  to {
    background-position: 100% 100%;
  }
}

#link-section-7 .container {
  position: relative;
  z-index: 1;
}

#link-section-7 .section-title {
  font-size: 2.25rem;
  margin-bottom: 0.5rem;
}

#link-section-7 .section-subtitle {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

/* các nút liên kết */
#link-section-7 .link-item {
  color: var(--link_color);
  text-decoration: none;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: color 0.3s;
}

#link-section-7 .link-item i {
  margin-right: 0.5rem;
  font-size: 1.25rem;
}

/* hiệu ứng đường viền dưới khi hover */
#link-section-7 .link-item::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 25%;
  width: 50%;
  height: 2px;
  background: transparent;
  transition: background 0.3s, width 0.3s, left 0.3s;
}

#link-section-7 .link-item:hover::after {
  background: var(--link_hover_border);
  width: 100%;
  left: 0;
}



/* Footer-11 Styles */
#footer-11 {
  background-color: var(--footer-bg-color, #ffffff);
  color: var(--footer-text-color, #4a4a4a);
  padding-top: 3rem;
  font-size: 0.9rem;
}
#footer-11 .footer-section-title-f11 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--footer-title-color, #333333);
  margin-bottom: 1.25rem;
}
#footer-11 .contact-info-block-f11 {
  line-height: 1.7;
}
#footer-11 .contact-info-block-f11 .contact-item-f11 {
  margin-bottom: 0.75rem;
  display: flex;
  align-items: flex-start;
}
#footer-11 .contact-info-block-f11 .contact-item-f11 i {
  width: 22px;
  font-size: 1.05rem;
  margin-right: 0.8rem;
  color: var(--footer-link-color, #2980b9);
  margin-top: 0.1em; /* Align icon */
}
#footer-11 .contact-info-block-f11 .contact-item-f11 .item-label {
  font-weight: 500;
  display: block;
  font-size: 0.8rem;
  color: var(--footer-text-color);
  opacity: 0.8;
}
#footer-11 .contact-info-block-f11 .contact-item-f11 a {
  color: var(--footer-text-color);
  text-decoration: none;
}
#footer-11 .contact-info-block-f11 .contact-item-f11 a:hover {
  color: var(--footer-link-color, #2980b9);
}
#footer-11 .map-placeholder-f11 {
  background-color: var(--footer-map-placeholder-bg, #e9ecef);
  color: var(--footer-map-placeholder-text, #6c757d);
  min-height: 250px; /* Ensure it has some height */
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1rem;
  border-radius: 0.25rem;
  font-style: italic;
  width: 100%; /* Ensure it takes full width of its column */
}
#footer-11 .navigation-row-f11 {
  padding: 2rem 0;
  margin-top: 2rem;
  border-top: 1px solid var(--footer-separator-color, #e0e0e0);
  border-bottom: 1px solid var(--footer-separator-color, #e0e0e0);
}
#footer-11 .navigation-list-f11 {
  list-style: none;
  padding-left: 0;
  margin-bottom: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem 1.5rem; /* row-gap column-gap */
}
#footer-11 .navigation-list-f11 a {
  color: var(--footer-link-color, #2980b9);
  text-decoration: none;
  font-size: 0.95rem;
}
#footer-11 .navigation-list-f11 a:hover,
#footer-11 .navigation-list-f11 a.active {
  color: var(--footer-link-hover-color, #1c5a80);
  text-decoration: underline;
}
#footer-11 .partner-links-row-f11 {
  padding: 1.5rem 0;
  text-align: center;
}
#footer-11 .partner-links-list-f11 {
  list-style: none;
  padding-left: 0;
  margin-bottom: 0;
  display: inline-flex; /* To center the list items if fewer */
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1.25rem;
}
#footer-11 .partner-links-list-f11 a {
  color: var(--footer-link-color, #2980b9);
  text-decoration: none;
  font-size: 0.85rem;
}
#footer-11 .partner-links-list-f11 a:hover {
  color: var(--footer-link-hover-color, #1c5a80);
}
#footer-11 .bottom-bar-f11 {
  background-color: var(--footer-bottom-bar-bg, #f1f3f5);
  color: var(--footer-bottom-bar-text, #555555);
  padding: 1.25rem 0;
  font-size: 0.8rem;
}
#footer-11 .bottom-bar-f11 .copyright-text-f11 {
  margin-bottom: 0;
  text-align: center;
}
#footer-11 .bottom-bar-f11 .social-icons-f11 a {
  color: var(--footer-bottom-bar-text, #555555);
  margin: 0 0.6rem;
  font-size: 1.1rem;
  transition: color 0.2s ease;
}
#footer-11 .bottom-bar-f11 .social-icons-f11 a:hover {
  color: var(--footer-link-color, #2980b9);
}
@media (max-width: 991.98px) {
  /* lg */
  #footer-11 .contact-info-block-f11,
  #footer-11 .map-placeholder-f11 {
    margin-bottom: 1.5rem;
  }
}
@media (min-width: 768px) {
  #footer-11 .bottom-bar-f11 .copyright-text-f11 {
    text-align: left;
  }
  #footer-11 .bottom-bar-f11 .social-icons-f11 {
    text-align: right;
  }
}
@media (max-width: 767.98px) {
  #footer-11 .bottom-bar-f11 .social-icons-f11 {
    margin-top: 0.75rem; /* Space if copyright is above on mobile */
    text-align: center;
  }
}