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

:root {
  --color-bg: #F5F7FA;
  --color-text: #2C2C2C;
  --color-text-light: #666666;
  --color-footer: #999999;
  --color-border: #E0E0E0;
  --spacing-xs: 20px;
  --spacing-sm: 40px;
  --spacing-md: 60px;
  --spacing-lg: 80px;
  --spacing-xl: 120px;
}

body {
  font-family: 'Source Han Sans CN', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
  font-weight: 300;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.8;
  overflow-x: hidden;
}

.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0;
}

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(245, 247, 250, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--color-border);
}

nav {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 80px;
  gap: var(--spacing-md);
}

nav a {
  font-size: 16px;
  color: var(--color-text);
  text-decoration: none;
  padding: 10px 20px;
  transition: all 0.3s ease;
  letter-spacing: 2px;
}

nav a:hover,
nav a.active {
  color: #000;
  font-weight: 400;
}

main {
  margin-top: 80px;
  min-height: calc(100vh - 160px);
}

.page-section {
  display: none;
  animation: fadeIn 0.6s ease;
}

.page-section.active {
  display: block;
}

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

.hero-banner {
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.content-wrapper {
  padding: var(--spacing-xl) var(--spacing-md);
}

.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
  padding: var(--spacing-lg) var(--spacing-md);
}

.text-content h1 {
  font-size: 48px;
  font-weight: 300;
  margin-bottom: var(--spacing-sm);
  letter-spacing: 4px;
}

.text-content p {
  font-size: 16px;
  line-height: 2;
  color: var(--color-text-light);
  margin-bottom: 20px;
}

.text-content small {
  font-size: 12px;
  color: var(--color-footer);
  letter-spacing: 1px;
}

.detail-image {
  width: 100%;
  height: auto;
  border-radius: 2px;
}

.atmosphere-section {
  width: 100%;
  padding: var(--spacing-xl) 0;
}

.atmosphere-section img {
  width: 100%;
  height: auto;
  display: block;
}

.grid-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-md);
  padding: var(--spacing-xl) var(--spacing-md);
}

.gallery-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 2/3;
  transition: transform 0.3s ease;
}

.gallery-item:hover {
  transform: scale(0.98);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.section-title {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md) var(--spacing-sm);
}

.section-title h2 {
  font-size: 36px;
  font-weight: 300;
  letter-spacing: 4px;
  margin-bottom: 20px;
}

.section-title p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 2;
  max-width: 800px;
  margin: 0 auto;
}

.wide-image {
  width: 100%;
  height: 60vh;
  overflow: hidden;
}

.wide-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.scene-layout {
  padding: var(--spacing-lg) var(--spacing-md);
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.scene-text {
  font-size: 18px;
  line-height: 2.2;
  color: var(--color-text-light);
  text-align: center;
}

.scene-images {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-sm);
}

.scene-images img {
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 4/5;
}

.image-caption {
  text-align: center;
  font-size: 11px;
  color: var(--color-footer);
  margin-top: 10px;
  letter-spacing: 2px;
}

footer {
  text-align: center;
  padding: var(--spacing-sm) 0;
  border-top: 1px solid var(--color-border);
  margin-top: var(--spacing-xl);
}

footer p {
  font-size: 12px;
  color: var(--color-footer);
  letter-spacing: 1px;
}

@media (max-width: 768px) {
  nav {
    height: 60px;
    gap: 20px;
  }

  nav a {
    font-size: 14px;
    padding: 8px 12px;
  }

  main {
    margin-top: 60px;
  }

  .text-content h1 {
    font-size: 32px;
  }

  .two-column {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 20px;
  }

  .grid-gallery {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 20px;
  }

  .section-title h2 {
    font-size: 28px;
  }

  .scene-layout {
    grid-template-columns: 1fr;
    padding: var(--spacing-sm) 20px;
  }

  .scene-images {
    grid-template-columns: 1fr;
  }

  .content-wrapper {
    padding: var(--spacing-sm) 20px;
  }
}