html, body {
  margin: 0;
  padding: 0;
  font-family: 'JetBrains Mono', monospace;
  background-color: #E6E6FA;
  height: 100%;
  min-height: 100vh;
  box-sizing: border-box;
  padding-bottom: 40px; /* 預留底部空間 */
}

/* 主區塊：中間置中的主文字 */
.main-section {
  height: calc(100vh - 80px); /* 扣除底部空間 */
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  width: 100%;
  box-sizing: border-box;
}

.main-text {
  text-align: center;
  font-size: 24px;
  font-weight: bold;
}

/* 連結包裹容器，固定在畫面 60% 高度，垂直排列多個 .link-container */
.link-wrapper {
  position: absolute;
  top: 66.3%;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 25px; /* 每個 .link-container 之間的間距 */
}

/* 每一排連結 */
.link-container {
  display: flex;
  gap: 60px;
  justify-content: center;
  align-items: center;
}

/* 連結按鈕樣式 */
.link-box {
  padding: 10px 20px;
  min-width: 180px; /* 固定寬度，使兩按鈕等寬 */
  text-align: center;
  font-size: 16px;
  font-weight: normal;
  border-radius: 12px;
  text-decoration: none;
  font-family: 'JetBrains Mono', monospace;
  color: #4B0082; /* 深紫色文字 */
  background: rgba(255, 255, 255, 0.15); /* 半透明白色背景 */
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px); /* Safari 支援 */
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
  transition: all 0.3s ease;
}

.link-box:hover {
  background: rgba(255, 255, 255, 0.25);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.35);
}

/* UTC 時鐘區塊 */
.utc-clock-container {
  position: fixed;
  bottom: 40px;
  right: 20px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: #9370DB;
  background-color: transparent;
  user-select: none;
  text-align: right;
  line-height: 1.4;
}

/* 版權標示 */
.copyright {
  position: fixed;
  bottom: 15px;
  left: 50%;
  transform: translateX(-50%);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: #9370DB;
  user-select: none;
  text-align: center;
  white-space: nowrap;
}