/* #004480 主視覺顏色主題 */
:root {
  --md-primary-fg-color: #004480;
  --md-primary-fg-color--light: #0056a0;
  --md-primary-fg-color--dark: #003366;
  --md-accent-fg-color: #0066cc;
}

/* 背景色調整 - 淺色模式 */
[data-md-color-scheme="default"] body {
  background-color: #e8f2ff;
  background-image: linear-gradient(135deg, #e8f2ff 0%, #d1e7ff 100%);
}

[data-md-color-scheme="default"] .md-main__inner {
  background-color: transparent;
  margin-bottom: 1rem;
}

/* 背景色調整 - 深色模式 */
[data-md-color-scheme="slate"] body {
  background-color: #0a1121;
  background-image: linear-gradient(135deg, #0a1121 0%, #1a2332 100%);
}

[data-md-color-scheme="slate"] .md-main__inner {
  background-color: transparent;
  margin-bottom: 1rem;
}

/* 深色模式字體顏色調整 */
[data-md-color-scheme="slate"] .md-content {
  color: #d1d5db;
}

[data-md-color-scheme="slate"] .md-content h1,
[data-md-color-scheme="slate"] .md-content h2,
[data-md-color-scheme="slate"] .md-content h3,
[data-md-color-scheme="slate"] .md-content h4,
[data-md-color-scheme="slate"] .md-content h5,
[data-md-color-scheme="slate"] .md-content h6 {
  color: #e5e7eb;
}

[data-md-color-scheme="slate"] .md-content p,
[data-md-color-scheme="slate"] .md-content li,
[data-md-color-scheme="slate"] .md-content td {
  color: #c9cdd4;
}

[data-md-color-scheme="slate"] .md-content a {
  color: #60a5fa;
}

[data-md-color-scheme="slate"] .md-content a:hover {
  color: #93c5fd;
}

.md-content {
  background-color: transparent;
}

/* 5G 相關的現代化樣式 */
.md-header {
  background: linear-gradient(135deg, #004480 0%, #0056a0 100%);
}

.md-tabs {
  background: linear-gradient(135deg, #004480 0%, #0056a0 100%);
}

/* 自定義按鈕樣式 */
.md-button {
  background: linear-gradient(135deg, #0056a0 0%, #004480 100%);
  border: none;
  transition: all 0.3s ease;
}

.md-button:hover {
  background: linear-gradient(135deg, #004480 0%, #003366 100%);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 68, 128, 0.3);
}

/* 5G 網路相關的圖示樣式 */
.md-nav__icon {
  filter: drop-shadow(0 2px 4px rgba(0, 68, 128, 0.2));
}

/* 圖片圓角效果 - 淺色模式 */
[data-md-color-scheme="default"] .md-content img {
  border-radius: 12px;
  box-shadow: 0 4px 8px rgba(0, 68, 128, 0.12);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid rgba(0, 68, 128, 0.08);
}

[data-md-color-scheme="default"] .md-content img:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 68, 128, 0.25);
  border-color: rgba(0, 68, 128, 0.15);
}

/* 圖片圓角效果 - 深色模式 */
[data-md-color-scheme="slate"] .md-content img {
  border-radius: 12px;
  box-shadow: 0 4px 8px rgba(0, 68, 128, 0.4);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid rgba(0, 68, 128, 0.2);
}

[data-md-color-scheme="slate"] .md-content img:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 68, 128, 0.6);
  border-color: rgba(0, 68, 128, 0.4);
}

/* Footer 樣式調整 - 淺色模式 */
[data-md-color-scheme="default"] .md-footer {
  background-color: #004480;
  color: #ffffff;
  border-top: 1px solid rgba(0, 68, 128, 0.15);
}

[data-md-color-scheme="default"] .md-footer-meta {
  background-color: #003366;
}

/* Footer 樣式調整 - 深色模式 */
[data-md-color-scheme="slate"] .md-footer {
  background-color: #004480;
  color: #ffffff;
  border-top: 1px solid rgba(0, 68, 128, 0.3);
}

[data-md-color-scheme="slate"] .md-footer-meta {
  background-color: #003366;
}

.md-footer__inner {
  padding: 1.5rem 0;
}

.md-footer__link {
  color: #ffffff;
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

.md-footer__link:hover {
  opacity: 1;
}

/* 響應式設計 */
@media screen and (max-width: 768px) {
  .md-header__title {
    font-size: 1.2rem;
  }
}