* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: #fefdfb;
  color: #ac2611;
  font-family: "Times New Roman", Times, serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* 導航 */
.nav {
  display: flex;
  gap: 12px;
  padding: 40px 20px 20px;
}

.nav-btn {
  border: 1.5px solid #ac2611;
  color: #ac2611;
  text-decoration: none;
  padding: 8px 22px;
  border-radius: 50px;
  font-size: 15px;
  letter-spacing: 0.5px;
  transition: all 0.25s ease;
}

.nav-btn:hover,
.nav-btn.active {
  background-color: #ac2611;
  color: #fefdfb;
}

/* 主要區域 */
.hero {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  padding-bottom: 400px;
}

.logo-img {
  max-width: 620px;
  width: 90%;
  height: auto;
}

/* 手機版調整 */
@media (max-width: 600px) {
  .logo-img {
    max-width: 380px;
  }
  .nav {
    padding-top: 30px;
  }
}

.page-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 40px 20px 80px;
  max-width: 720px;
}

.page-title {
  font-size: 2rem;
  font-weight: 500;
  letter-spacing: 3px;
  margin-bottom: 40px;
  text-transform: lowercase;
}

.text-content {
  font-size: 1.15rem;
  line-height: 1.8;
  color: #ac2611;
}

.text-content p {
  margin-bottom: 20px;
}

.email {
  font-size: 1.35rem;
  letter-spacing: 1px;
  margin: 30px 0;
}

.about-page .small-title {
  font-size: 0.95rem;
  letter-spacing: 4px;
  font-weight: 500;
  margin-bottom: 30px;
  text-transform: uppercase;
}

.about-page .big-title {
  font-size: 2.8rem;
  font-weight: 500;
  letter-spacing: 3px;
  margin-top: 50px;
  line-height: 1.2;
}

@media (max-width: 600px) {
  .page-title {
    font-size: 1.6rem;
  }
  .text-content {
    font-size: 1.05rem;
  }
  .about-page .big-title {
    font-size: 1.9rem;
  }
}