/* Mega Menu Styles */

.megamenu-container {
  position: static;
}

.megamenu {
  width: 100%;
  min-width: 600px;
  max-width: 900px;
  border: none;
  border-radius: 0;
  margin-top: 0;
  padding: 10px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* 巢狀下拉選單樣式 */

.megamenu .nav-item.dropdown {
  position: relative;
  margin-bottom: 5px;
}

.megamenu .nav-item.dropdown .dropdown-toggle {
  color: #333;
  text-decoration: none;
  padding: 10px 20px;
  border-radius: 4px;
  transition: all 0.2s ease;
  display: block;
  cursor: pointer;
  font-weight: 500;
}

.megamenu .nav-item.dropdown .dropdown-toggle:hover {
  background-color: #f8f9fa;
  color: #007bff;
}

/* 巢狀選單的樣式 */

.megamenu .nav-item.dropdown .dropdown-menu {
  background: white;
  border: 1px solid #e9ecef;
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  min-width: 220px;
  padding: 0px 10px;
  margin: 0;
  display: none;
  position: static;
  z-index: 1050;
  visibility: visible;
  opacity: 1;
}

/* 當選單顯示時的樣式 */

.megamenu .nav-item.dropdown .dropdown-menu.show {
  display: block !important;
  opacity: 1 !important;
  visibility: visible !important;
}

.megamenu .nav-item.dropdown .dropdown-menu .dropdown-item {
  padding: 5px 0px;
  color: #333;
  transition: all 0.2s ease;
  border-bottom: 1px solid #f8f9fa;
}

.megamenu .nav-item.dropdown .dropdown-menu .dropdown-item:last-child {
  border-bottom: none;
}

.megamenu .nav-item.dropdown .dropdown-menu .dropdown-item:hover {
  background-color: #f8f9fa;
  color: #007bff;
  transform: translateX(5px);
}

.megamenu h6 {
  color: #4D4D4D;
  padding-bottom: 10px;
  border-bottom: 2px solid #e9ecef;
  font-size: 1rem;
}

/* 改善列間距 */

.megamenu .row {
  margin: 0 -15px;
}

.megamenu .col-md {
  padding: 0 20px;
}

/* 響應式調整 */

@media (max-width: 991.98px) {
  .megamenu {
    width: 100%;
    min-width: auto;
    max-width: 100%;
    padding: 0px;
  }
}

@media (max-width: 991.98px) {
  .megamenu .row {
    margin: 0;
  }
}

@media (max-width: 991.98px) {
  .megamenu .col-md {
    padding: 0px;
  }
}

/* 在手機上，巢狀選單改為垂直排列 */

@media (max-width: 991.98px) {
  .megamenu .nav-item.dropdown .dropdown-menu {
    position: static !important;
    left: auto !important;
    top: auto !important;
    box-shadow: none;
    border: none;
    margin-top: 10px;
    margin-left: 20px;
    min-width: auto;
    width: 100%;
  }
}