/* 全局重置与基础样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Serif SC', 'Source Han Serif CN', serif;
  font-weight: 300;
  background-color: #F9F7F5;
  color: #2C2C2C;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* 色彩体系 */
:root {
  --color-warm-white: #F9F7F5;
  --color-dark-gray: #2C2C2C;
  --color-light-oat: #F2EFEA;
  --color-footer-gray: #999999;
  --color-overlay: rgba(0, 0, 0, 0.05);
}

/* 字体规范 */
.title-text {
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  color: var(--color-dark-gray);
}

.nav-text {
  font-size: 0.875rem;
  font-weight: 300;
  letter-spacing: 0.1em;
}

.small-text {
  font-size: 0.75rem;
  font-weight: 300;
  color: var(--color-dark-gray);
}

/* 顶部导航栏 */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(249, 247, 245, 0.95);
  backdrop-filter: blur(10px);
  padding: 2rem 8%;
  display: flex;
  justify-content: flex-end;
  gap: 3rem;
}

.navbar a {
  text-decoration: none;
  color: var(--color-dark-gray);
  font-size: 0.875rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  transition: opacity 0.3s ease;
}

.navbar a:hover {
  opacity: 0.6;
}

/* 容器与留白 */
.container {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
}

.section {
  min-height: 100vh;
  padding: 8%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.section-full {
  min-height: 100vh;
  position: relative;
  overflow: hidden;
}

/* 首页首屏 */
.hero-section {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

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

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-text {
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  color: var(--color-dark-gray);
  text-align: center;
}

/* 三列网格布局 */
.grid-three {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding: 8%;
  background-color: var(--color-warm-white);
}

.grid-item {
  width: 100%;
  aspect-ratio: 3/4;
  overflow: hidden;
}

.grid-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.grid-item:hover img {
  transform: scale(1.05);
}

/* 留白区域 */
.blank-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-warm-white);
}

.blank-text {
  font-size: 0.75rem;
  font-weight: 300;
  color: #666666;
  letter-spacing: 0.15em;
}

/* 系列页面不对称布局 */
.asymmetric-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  min-height: 100vh;
  padding: 8%;
  align-items: center;
}

.vertical-image {
  width: 100%;
  height: 85vh;
  object-fit: cover;
}

.text-column {
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

.material-text {
  font-size: 0.75rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  color: var(--color-dark-gray);
}

/* 横向图片区域 */
.horizontal-scroll {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding: 8%;
  background-color: var(--color-light-oat);
}

.horizontal-item {
  width: 100%;
  aspect-ratio: 4/5;
  overflow: hidden;
}

.horizontal-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 剪影图 */
.silhouette-section {
  min-height: 100vh;
  position: relative;
  overflow: hidden;
}

.silhouette-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* 影像页面三联画 */
.triptych {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding: 8%;
  background-color: var(--color-warm-white);
  min-height: 100vh;
  align-items: center;
}

.triptych-item {
  width: 100%;
  aspect-ratio: 3/4;
  overflow: hidden;
}

.triptych-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 大幅横图 */
.wide-image-section {
  padding: 8%;
  background-color: var(--color-warm-white);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.wide-image-container {
  width: 100%;
  max-width: 1200px;
}

.wide-image {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 黑底白字区域 */
.dark-section {
  min-height: 100vh;
  background-color: #000000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
}

.dark-text {
  font-size: 0.875rem;
  font-weight: 300;
  color: #FFFFFF;
  letter-spacing: 0.15em;
}

/* 页脚统一格式 */
.footer {
  text-align: center;
  padding: 2rem;
  background-color: transparent;
}

.footer-text {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.625rem;
  font-weight: 300;
  color: var(--color-footer-gray);
  letter-spacing: 0.1em;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .navbar {
    padding: 1.5rem 5%;
    gap: 2rem;
  }

  .grid-three {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 5%;
  }

  .asymmetric-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 5%;
  }

  .vertical-image {
    height: 60vh;
  }

  .text-column {
    gap: 2rem;
  }

  .horizontal-scroll {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 5%;
  }

  .triptych {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 5%;
  }

  .wide-image-section {
    padding: 5%;
  }

  .hero-text {
    font-size: 1.2rem;
  }

  .title-text {
    font-size: 1.2rem;
  }

  .section {
    padding: 5%;
  }
}

@media (max-width: 480px) {
  .navbar {
    gap: 1.5rem;
  }

  .navbar a {
    font-size: 0.75rem;
  }

  .hero-text {
    font-size: 1rem;
  }

  .title-text {
    font-size: 1rem;
  }

  .grid-three {
    padding: 3%;
  }

  .asymmetric-layout {
    padding: 3%;
  }

  .vertical-image {
    height: 50vh;
  }
}