/* 全局样式文件 - 时尚女装展示网站 */

/* ==================== 字体定义 ==================== */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600;700&family=Inter:wght@300;400;500&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600;700&display=swap');

/* ==================== CSS变量定义 ==================== */
:root {
  --color-primary: #FFFFFF;
  --color-secondary: #F5F3F0;
  --color-text: #2C2C2C;
  --color-text-light: #A0A0A0;
  --color-accent: #C4A484;
  --font-title-cn: 'Noto Serif SC', serif;
  --font-body-cn: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', sans-serif;
  --font-title-en: 'Playfair Display', serif;
  --font-body-en: 'Inter', sans-serif;
  --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-soft: 0 2px 20px rgba(0, 0, 0, 0.05);
}

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

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

body {
  font-family: var(--font-body-cn);
  color: var(--color-text);
  background-color: var(--color-primary);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

/* ==================== 导航栏 ==================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--color-primary);
  padding: 2rem 4rem;
  transition: var(--transition-smooth);
}

.navbar.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 1.5rem 4rem;
  box-shadow: var(--shadow-soft);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  position: relative;
  padding: 0.5rem 0;
}

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

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

.nav-link:hover {
  color: var(--color-accent);
}

/* ==================== 页面容器 ==================== */
.page-container {
  padding-top: 120px;
  min-height: 100vh;
}

.section {
  padding: 6rem 4rem;
  max-width: 1400px;
  margin: 0 auto;
}

/* ==================== 轮播图 ==================== */
.carousel-container {
  position: relative;
  width: 100%;
  height: 85vh;
  overflow: hidden;
  background-color: var(--color-secondary);
}

.carousel-slide {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

.carousel-slide.active {
  opacity: 1;
}

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

.carousel-indicators {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 1rem;
  z-index: 10;
}

.indicator {
  width: 40px;
  height: 2px;
  background-color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.indicator.active {
  background-color: var(--color-primary);
}

/* ==================== 引文模块 ==================== */
.quote-section {
  text-align: center;
  padding: 8rem 2rem;
  background-color: var(--color-secondary);
}

.quote-text {
  font-family: var(--font-title-cn);
  font-size: 1.8rem;
  line-height: 2.2;
  font-weight: 400;
  max-width: 800px;
  margin: 0 auto;
  letter-spacing: 0.05em;
}

/* ==================== 双图网格 ==================== */
.dual-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
  margin: 6rem 0;
}

.grid-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/5;
  background-color: var(--color-secondary);
}

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

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

/* ==================== 文本区域 ==================== */
.text-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 4rem 2rem;
  line-height: 2;
  font-size: 1.05rem;
  letter-spacing: 0.03em;
  color: var(--color-text);
}

/* ==================== 分类导航 ==================== */
.category-nav {
  display: flex;
  justify-content: center;
  gap: 4rem;
  margin-bottom: 5rem;
  padding: 2rem 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.category-btn {
  font-size: 1rem;
  letter-spacing: 0.1em;
  padding: 0.5rem 1rem;
  transition: var(--transition-smooth);
  position: relative;
}

.category-btn::after {
  content: '';
  position: absolute;
  bottom: -2rem;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width 0.3s ease;
}

.category-btn.active::after,
.category-btn:hover::after {
  width: 100%;
}

.category-btn:hover,
.category-btn.active {
  color: var(--color-accent);
}

/* ==================== 画廊网格 ==================== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 6rem;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3/4;
  background-color: var(--color-secondary);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.gallery-item.visible {
  opacity: 1;
  transform: translateY(0);
}

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

.gallery-item:hover img {
  transform: scale(1.08);
}

.category-desc {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 6rem;
  font-size: 1rem;
  line-height: 2;
  color: var(--color-text-light);
}

/* ==================== 视频背景 ==================== */
.video-section {
  position: relative;
  width: 100%;
  height: 70vh;
  overflow: hidden;
  background-color: var(--color-secondary);
  margin-bottom: 6rem;
}

.video-background {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ==================== 细节四宫格 ==================== */
.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin: 6rem 0;
}

.detail-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1;
  background-color: var(--color-secondary);
  cursor: pointer;
}

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

.detail-item:hover img {
  transform: scale(1.2);
}

/* ==================== 工艺语录 ==================== */
.craft-quotes {
  padding: 8rem 2rem;
  background-color: var(--color-secondary);
  text-align: center;
}

.quote-carousel {
  max-width: 800px;
  margin: 0 auto;
  min-height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.quote-item {
  font-family: var(--font-title-cn);
  font-size: 1.6rem;
  line-height: 2;
  opacity: 0;
  position: absolute;
  transition: opacity 1s ease;
}

.quote-item.active {
  opacity: 1;
  position: relative;
}

/* ==================== 页脚 ==================== */
.footer {
  text-align: center;
  padding: 3rem 2rem;
  font-size: 0.9rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--color-text-light);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

/* ==================== 响应式布局 ==================== */
@media (max-width: 1024px) {
  .navbar,
  .navbar.scrolled {
    padding: 1.5rem 2rem;
  }

  .nav-container {
    gap: 2rem;
  }

  .section {
    padding: 4rem 2rem;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .dual-grid,
  .detail-grid {
    gap: 1.5rem;
  }

  .quote-text {
    font-size: 1.4rem;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 14px;
  }

  .navbar,
  .navbar.scrolled {
    padding: 1rem 1.5rem;
  }

  .nav-container {
    gap: 1.5rem;
  }

  .nav-link {
    font-size: 0.85rem;
  }

  .page-container {
    padding-top: 80px;
  }

  .section {
    padding: 3rem 1.5rem;
  }

  .carousel-container {
    height: 60vh;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .dual-grid,
  .detail-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .category-nav {
    flex-wrap: wrap;
    gap: 2rem;
  }

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

  .text-content {
    font-size: 0.95rem;
    padding: 2rem 1rem;
  }

  .video-section {
    height: 50vh;
  }
}

/* ==================== 动画效果 ==================== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.8s ease forwards;
}

/* ==================== 工具类 ==================== */
.text-center {
  text-align: center;
}

.mb-large {
  margin-bottom: 6rem;
}

.mt-large {
  margin-top: 6rem;
}