/* 導航列滑過效果修改 - 下底線浮現 */

/* 移除原有的按鈕浮現效果 */
.header .primary .navbar .nav > li:hover > a {
  background: transparent !important;
  border-color: transparent !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  transition: all 0.3s ease !important;
}

/* 添加下底線浮現效果 */
.header .primary .navbar .nav > li > a {
  position: relative;
  transition: all 0.3s ease;
  border-bottom: 2px solid transparent;
}

.header .primary .navbar .nav > li > a:hover {
  border-bottom-color: #3498db !important;
  color: #3498db !important;
  background: transparent !important;
}

/* 移除父級選單的特殊效果 */
.header .primary .navbar .nav > li.parent:hover > a {
  background: transparent !important;
  border-bottom-color: #3498db !important;
  border-radius: 0 !important;
}

/* 移除父級選單的after偽元素效果 */
.header .primary .navbar .nav > li.parent > a:after {
  display: none !important;
}

.header .primary .navbar .nav > li.parent:hover > a:after {
  display: none !important;
}

/* 確保子選單正常顯示 */
.header .primary .sub {
  background: #fff;
  border: 1px solid #e1e1e1;
  border-radius: 3px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* 子選單項目的滑過效果 */
.header .primary .sub a:hover {
  background: #f8f9fa !important;
  color: #3498db !important;
}

/* 響應式設計 - 只在桌面版應用 */
@media (min-width: 992px) {
  .header .primary .navbar .nav > li > a {
    padding: 15px 20px;
  }
  
  .header .primary .navbar .nav > li > a:hover {
    border-bottom-color: #3498db !important;
    color: #3498db !important;
  }
}

/* 確保手機版不受影響 */
@media (max-width: 991px) {
  .header .primary .navbar .nav > li > a {
    border-bottom: none !important;
  }
  
  .header .primary .navbar .nav > li > a:hover {
    border-bottom: none !important;
    background: #f8f9fa !important;
    color: #3498db !important;
  }
}