/* CSS Reset & Basic Setup */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  /* 使用系統預設字體堆疊 */
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif;
  background-color: #f9f9f9;
  color: #333;
  height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header Style */
header {
  background-color: #ffffff;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 5px 0 rgba(0, 0, 0, 0.1);
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
}

/* Logo 樣式調整 */
header img {
  height: 32px;
  width: auto;
  display: block;
}

/* Main Content - 垂直置中 */
.main-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 20px;
  margin-top: 64px; /* Header 高度 */
}

.content-box {
  background: white;
  padding: 48px 40px;
  border-radius: 8px;
  box-shadow: 0 0 5px 0 rgba(0, 0, 0, 0.1);
  max-width: 480px;
  width: 100%;
}

/* Icon Style */
.maintenance-icon {
  width: 72px;
  height: 72px;
  margin-bottom: 24px;
  display: block; /* 確保 img 區塊屬性 */
  margin-left: auto; /* 圖片水平置中 */
  margin-right: auto;
}

h1 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
  color: #2d2d2d;
  letter-spacing: 0.5px;
}

p {
  font-size: 16px;
  line-height: 1.6;
  color: #666;
  margin-bottom: 8px;
}

.highlight-text {
  color: #ff4242;
  font-weight: bold;
  font-size: 18px;
  display: block;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid #eee;
}

/* Footer Style */
footer {
  background-color: #f4f4f4;
  color: #999;
  text-align: center;
  padding: 24px;
  font-size: 12px;
  border-top: 1px solid #e0e0e0;
}

footer p {
  margin: 0;
  font-size: 12px;
}

/* Mobile Responsive */
@media (max-width: 480px) {
  .content-box {
    padding: 30px 24px;
    width: 92%;
  }
  h1 {
    font-size: 22px;
  }
  .highlight-text {
    font-size: 16px;
  }
}