/* 全域設定 */
body {
  margin: 0;
  font-family: 'Noto Sans TC', sans-serif;
  background-color: #fff;
  color: #222;
}

/* 主視覺區 */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

/* 中央標題 */
.hero-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -70%);
  z-index: 10;
  max-width: 90%;
}

.hero-text h1 {
  white-space: nowrap;
  font-size: clamp(4rem, 8vw, 9rem);
  font-weight: 700;
  letter-spacing: 0.2rem;
  color: white;
  text-shadow: 0 0 10px rgba(0,0,0,0.4);
  margin: 0;
}

/* 導覽連結：右上角白字 */
.nav-links {
  position: absolute;
  top: 20px;
  right: 20px;
  display: flex;
  gap: 20px;
  z-index: 20;
}

.nav-links a {
  text-decoration: none;
  color: #fff;
  padding: 8px 12px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 2rem;
  text-shadow: 0 0 6px rgba(0,0,0,0.5);
  transition: background-color 0.3s ease;
}

.nav-links a:hover {
  background-color: rgba(255,255,255,0.2);
}

/* 頁尾主權宣告：浮在主視覺底部 */
footer {
  position: absolute;
  bottom: 0;
  width: 100%;
  z-index: 15;
  background-color: transparent;
  text-align: center;
  padding: 1rem 0;
  font-size: 0.9rem;
  color: #fff;
}