/* 基本樣式 */
body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  color: #333;
}

header {
  background-color: #222;
  color: white;
  text-align: center;
  padding: 20px 0;
}

main {
  padding: 20px;
}

/* 影片輪播 */
.video-carousel {
  position: relative;
  width: 100%;
  height: 500px; /* 可以調整高度 */
  overflow: hidden;
}

.video-carousel video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

.video-carousel video.active {
  opacity: 1;
}

/* 圖卡樣式 */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); /* 自動調整每列的圖卡數量 */
  gap: 20px;
  margin-bottom: 20px;
}

.card {
  border: 1px solid #ddd;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.card a {
  display: block;
  text-decoration: none;
  color: inherit;
  padding: 10px;
}

.card img {
  width: 100%;
  height: auto;
}

.card h3 {
  margin-top: 10px;
}

/* 側邊欄樣式 */
.sidebar {
  height: 100%;
  width: 0;
  position: fixed;
  z-index: 1;
  top: 0;
  right: 0;
  background-color: #f8f8f8;
  overflow-x: hidden;
  transition: 0.5s;
  padding-top: 60px;
  text-align: center;
}

.sidebar a {
  padding: 8px 16px;
  text-decoration: none;
  font-size: 20px;
  color: #333;
  display: block;
  transition: 0.3s;
}

.sidebar a:hover {
  color: #f00;
}

.sidebar .close-sidebar {
  position: absolute;
  top: 0;
  right: 25px;
  font-size: 36px;
  margin-left: 50px;
  background: none;
  border: none;
  cursor: pointer;
}

.open-sidebar {
  background-color: #444;
  color: white;
  padding: 10px 20px;
  border: none;
  cursor: pointer;
  font-size: 16px;
  position: fixed;
  top: 20px;
  right: 20px;
}