/* 全局CSS变量定义 */
:root {
  --color-ivory: #FFFFF0;
  --color-light-gray: #E8E8E8;
  --color-oatmeal: #F5F0E8;
  --color-terracotta: #D4968F;
  --color-haze-blue: #B8C5D6;
  --color-text-primary: #2C2C2C;
  --color-text-secondary: #6B6B6B;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  --font-family-cn: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-family-en: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 全局重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-family-cn), var(--font-family-en);
  background-color: var(--color-ivory);
  color: var(--color-text-primary);
  line-height: 1.8;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-smooth);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  transition: var(--transition-smooth);
}

/* 导航栏 */
.navigation {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 240, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--color-light-gray);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  color: var(--color-text-primary);
}

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
}

.nav-link {
  position: relative;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  padding-bottom: 4px;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-text-primary);
  transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* 页面容器 */
.page {
  display: none;
  padding-top: 70px;
  min-height: 100vh;
}

.page.active {
  display: block;
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* 首页样式 */
.hero-slider {
  position: relative;
  height: 100vh;
  overflow: hidden;
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s ease;
}

.slide.active {
  opacity: 1;
}

.slide-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.85);
}

.slide-overlay {
  position: absolute;
  bottom: 15%;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: white;
  background-color: rgba(0, 0, 0, 0.4);
  padding: var(--spacing-md) var(--spacing-lg);
  backdrop-filter: blur(5px);
  border-radius: 2px;
}

.slide-text {
  font-size: 1.5rem;
  letter-spacing: 0.15em;
  font-weight: 300;
}

.slider-indicators {
  position: absolute;
  bottom: 40px;
  right: 40px;
  display: flex;
  gap: var(--spacing-sm);
}

.indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.indicator.active {
  background-color: white;
  transform: scale(1.2);
}

/* 精选系列 */
.featured-section {
  max-width: 1400px;
  margin: var(--spacing-xl) auto;
  padding: 0 var(--spacing-md);
}

.section-title {
  text-align: center;
  font-size: 2rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-primary);
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.featured-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  border-radius: 2px;
}

.featured-image {
  width: 100%;
  height: 500px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.featured-card:hover .featured-image {
  transform: scale(1.05);
}

.featured-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
  color: white;
  padding: var(--spacing-md);
  text-align: center;
  font-size: 1rem;
  letter-spacing: 0.1em;
}

/* 过渡引语区 */
.transition-quote {
  background-color: var(--color-light-gray);
  padding: var(--spacing-xl) var(--spacing-md);
  text-align: center;
}

.quote-text {
  max-width: 800px;
  margin: 0 auto var(--spacing-lg);
  font-size: 1.1rem;
  line-height: 2;
  color: var(--color-text-secondary);
}

.cta-button {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  background-color: var(--color-text-primary);
  color: var(--color-ivory);
  letter-spacing: 0.15em;
  font-size: 0.95rem;
  border-radius: 2px;
  transition: var(--transition-smooth);
}

.cta-button:hover {
  background-color: var(--color-terracotta);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* 工艺页面样式 */
.craft-banner {
  position: relative;
  height: 60vh;
  overflow: hidden;
}

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

.banner-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 2.5rem;
  color: white;
  letter-spacing: 0.2em;
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
}

/* 工艺展示区 */
.craft-showcase {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
}

.craft-module {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  align-items: center;
}

.craft-module:nth-child(even) .craft-content {
  order: 2;
}

.craft-image-container {
  overflow: hidden;
  border-radius: 2px;
}

.craft-image {
  width: 100%;
  height: 500px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.craft-image-container:hover .craft-image {
  transform: scale(1.05);
}

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

.craft-title {
  font-size: 1.8rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  margin-bottom: var(--spacing-md);
}

.craft-description {
  font-size: 1rem;
  line-height: 2;
  color: var(--color-text-secondary);
}

/* 视觉故事区 */
.visual-story {
  background-color: var(--color-oatmeal);
  padding: var(--spacing-xl) var(--spacing-md);
}

.story-grid {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.story-image {
  width: 100%;
  height: 600px;
  object-fit: cover;
  border-radius: 2px;
}

.story-caption {
  text-align: center;
  margin-top: var(--spacing-md);
  font-size: 1rem;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
}

/* 美学页面样式 */
.philosophy-hero {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: linear-gradient(135deg, var(--color-ivory) 0%, var(--color-oatmeal) 100%);
  text-align: center;
}

.philosophy-title {
  font-size: 4rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  margin-bottom: var(--spacing-md);
}

.philosophy-subtitle {
  font-size: 1.5rem;
  letter-spacing: 0.2em;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.philosophy-caption {
  font-size: 1rem;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
}

/* 美学卡片 */
.philosophy-cards {
  max-width: 1400px;
  margin: var(--spacing-xl) auto;
  padding: 0 var(--spacing-md);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.philosophy-card {
  background-color: white;
  border-radius: 2px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: var(--transition-smooth);
}

.philosophy-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.card-image {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

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

.card-title {
  font-size: 1.3rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  margin-bottom: var(--spacing-sm);
}

.card-description {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
}

/* 视觉灵感区 */
.inspiration-grid {
  max-width: 1400px;
  margin: var(--spacing-xl) auto;
  padding: 0 var(--spacing-md);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-sm);
}

.inspiration-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  border-radius: 2px;
}

.inspiration-image {
  width: 100%;
  height: 350px;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.inspiration-item:hover .inspiration-image {
  transform: scale(1.1);
}

.inspiration-keyword {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 1.2rem;
  letter-spacing: 0.2em;
  opacity: 0;
  transition: var(--transition-smooth);
  background-color: rgba(0, 0, 0, 0.6);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 2px;
}

.inspiration-item:hover .inspiration-keyword {
  opacity: 1;
}

/* 结束语 */
.closing-statement {
  background-color: var(--color-light-gray);
  padding: var(--spacing-xl) var(--spacing-md);
  text-align: center;
}

.closing-text {
  max-width: 900px;
  margin: 0 auto var(--spacing-lg);
  font-size: 1.2rem;
  line-height: 2;
  color: var(--color-text-secondary);
}

/* 页脚 */
.footer {
  background-color: var(--color-oatmeal);
  padding: var(--spacing-lg) var(--spacing-md);
  text-align: center;
  border-top: 1px solid var(--color-light-gray);
}

.footer-motto {
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.footer-copyright {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .featured-grid,
  .philosophy-cards {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .craft-module {
    grid-template-columns: 1fr;
  }
  
  .craft-module:nth-child(even) .craft-content {
    order: 1;
  }
  
  .story-grid {
    grid-template-columns: 1fr;
  }
  
  .inspiration-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
  }
  
  .nav-container {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .nav-links {
    gap: var(--spacing-md);
  }
  
  .featured-grid,
  .philosophy-cards,
  .inspiration-grid {
    grid-template-columns: 1fr;
  }
  
  .philosophy-title {
    font-size: 2.5rem;
  }
  
  .slide-text {
    font-size: 1.2rem;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  .banner-text {
    font-size: 1.8rem;
  }
}

@media (max-width: 480px) {
  .slide-overlay {
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  .slide-text {
    font-size: 1rem;
  }
  
  .philosophy-title {
    font-size: 2rem;
  }
  
  .philosophy-subtitle {
    font-size: 1.2rem;
  }
}

/* 图片懒加载动画 */
.lazy-load {
  opacity: 0;
  transition: opacity 0.6s ease;
}

.lazy-load.loaded {
  opacity: 1;
}

/* 滚动渐入动画 */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}