@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;700&display=swap');

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
}

.font-serif {
  font-family: 'Noto Serif SC', serif;
}

.hero-overlay {
  background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.3) 100%);
}

.image-hover {
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.image-hover:hover {
  transform: scale(1.05);
  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.fade-in {
  animation: fadeIn 1.2s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.nav-link {
  position: relative;
  transition: color 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 1px;
  bottom: -4px;
  left: 50%;
  background-color: #8b5a2b;
  transition: all 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
  left: 0;
}

.scroll-smooth {
  scroll-behavior: smooth;
}

.text-shadow {
  text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.card-hover {
  transition: all 0.3s ease;
}

.card-hover:hover {
  transform: translateY(-4px);
}