.p-3 {
  padding: 1rem!important;
}

.py-4 {
  padding-top: 1.5rem!important;
  padding-bottom: 1.5rem!important;
}

.pt-5 {
  padding-top: 3rem!important;
}

@media (min-width: 992px) {
  .p-lg-8 {
    padding: 7.5rem !important;
  }
}

@media (min-width:992px) {
  .py-lg-5 {
    padding-top: 3rem!important;
    padding-bottom: 3rem!important;
  }
}

@media (min-width: 992px) {
  .pt-lg-8 {
    padding-top: 3rem !important;
  }
}

@media (min-width:1200px) {
  .py-xl-5 {
    padding-top: 3rem!important;
    padding-bottom: 3rem!important;
  }
}

/* 固定 Header 樣式 */

.navbar {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  z-index: 1030 !important;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1) !important;
  transition: all 0.3s ease !important;
}

/* 為 body 添加頂部 padding，避免內容被固定 header 遮擋 */

body {
  padding-top: 60px !important;
}

@media (min-width: 992px) {
  body {
    padding-top: 60px !important;
  }
}

/* 滾動時的 header 樣式變化 */

.navbar.scrolled {
  background-color: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(10px) !important;
  -webkit-backdrop-filter: blur(10px) !important;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15) !important;
}