/* 主样式文件 - 风格雅集 */
/* 定义配色方案、字体和基础布局 */

/* ========== CSS变量定义 ========== */
:root {
  /* 主色调 */
  --color-pearl-white: #f8f7f5;
  --color-light-gray: #e8e6e3;
  --color-mist-blue: #a8b8c8;
  --color-sand-brown: #c9b8a3;
  --color-dark-night: #2a2a2a;
  
  /* 辅助色 */
  --color-accent: #8b9cad;
  --color-text-primary: #333333;
  --color-text-secondary: #666666;
  --color-text-light: #999999;
  --color-border: #e0e0e0;
  
  /* 字体家族 */
  --font-serif-cn: 'Source Han Serif SC', 'Noto Serif SC', serif;
  --font-sans-cn: 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-serif-en: 'Playfair Display', serif;
  --font-sans-en: 'Inter', sans-serif;
  
  /* 间距 */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* 圆角 */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  /* 阴影 */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
  
  /* 过渡 */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

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

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

body {
  font-family: var(--font-sans-cn), var(--font-sans-en);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text-primary);
  background-color: var(--color-pearl-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ========== 排版基础 ========== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif-cn), var(--font-serif-en);
  font-weight: 500;
  line-height: 1.4;
  color: var(--color-dark-night);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: 1.5rem;
  color: var(--color-text-secondary);
}

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

a:hover {
  color: var(--color-accent);
}

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

/* ========== 容器布局 ========== */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section {
  padding: var(--spacing-xl) 0;
}

/* ========== 导航栏 ========== */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(248, 247, 245, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  padding: 1.5rem var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-serif-cn);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-dark-night);
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--color-mist-blue), var(--color-sand-brown));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-links {
  display: flex;
  gap: 3rem;
  list-style: none;
}

.nav-links a {
  font-size: 1rem;
  color: var(--color-text-primary);
  position: relative;
  padding: 0.5rem 0;
}

.nav-links a.active {
  color: var(--color-accent);
}

/* ========== 首页轮播区域 ========== */
.hero-section {
  height: 100vh;
  min-height: 600px;
  position: relative;
  margin-top: 72px;
  overflow: hidden;
}

.hero-slider {
  width: 100%;
  height: 100%;
  position: relative;
}

.hero-slide {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.hero-slide::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.3);
}

.hero-slide h2 {
  position: relative;
  z-index: 1;
  color: white;
  font-size: 3rem;
  text-align: center;
  font-weight: 400;
  letter-spacing: 2px;
}

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

.carousel-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  border: none;
  cursor: pointer;
}

.carousel-indicator.active {
  background: white;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  color: white;
  font-size: 2rem;
  opacity: 0.7;
}

/* ========== 精选展示区 ========== */
.featured-section {
  background: var(--color-pearl-white);
}

.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: var(--spacing-lg);
  color: var(--color-dark-night);
}

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

.featured-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  aspect-ratio: 3/4;
  cursor: pointer;
}

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

.overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
}

.item-description {
  color: white;
  font-size: 1.25rem;
  font-weight: 500;
  text-align: center;
  transform: translateY(20px);
}

.btn-explore {
  display: inline-block;
  padding: 1rem 3rem;
  background: var(--color-dark-night);
  color: white;
  font-size: 1rem;
  border-radius: var(--radius-lg);
  text-align: center;
  margin: 0 auto;
  cursor: pointer;
  border: none;
  overflow: hidden;
}

.explore-container {
  text-align: center;
}

/* ========== 理念摘要区 ========== */
.philosophy-section {
  background: var(--color-light-gray);
  padding: var(--spacing-xl) 0;
}

.philosophy-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.philosophy-visual {
  width: 100%;
  max-width: 400px;
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--color-mist-blue), var(--color-sand-brown));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.philosophy-visual svg {
  width: 70%;
  height: 70%;
  opacity: 0.8;
}

.philosophy-text h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-dark-night);
}

.philosophy-text p {
  font-size: 1rem;
  line-height: 2;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

/* ========== 页脚 ========== */
footer {
  background: var(--color-dark-night);
  color: var(--color-light-gray);
  text-align: center;
  padding: 3rem 0;
  border-top: 1px solid var(--color-border);
}

footer::before {
  content: '';
  display: block;
  width: 100px;
  height: 1px;
  background: var(--color-light-gray);
  margin: 0 auto 2rem;
  opacity: 0.3;
}

footer p {
  font-size: 0.9rem;
  color: var(--color-light-gray);
  margin: 0;
}

/* ========== 风尚臻品页面 ========== */
.page-header {
  padding: var(--spacing-xl) 0 var(--spacing-md);
  text-align: center;
  margin-top: 72px;
}

.page-title {
  font-size: 3rem;
  color: var(--color-dark-night);
}

.filter-section {
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--color-border);
}

.filter-tags {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.filter-tag {
  padding: 0.75rem 2rem;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: 1rem;
  color: var(--color-text-primary);
  cursor: pointer;
}

.filter-tag.active {
  background: var(--color-dark-night);
  color: white;
  border-color: var(--color-dark-night);
}

.collection-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.5rem;
  padding: var(--spacing-lg) 0;
}

.collection-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  aspect-ratio: 3/4;
  cursor: pointer;
}

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

.item-label {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  background: rgba(255, 255, 255, 0.95);
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--color-text-primary);
  text-align: center;
  opacity: 0;
  transform: translateY(10px);
}

/* ========== 细节强调区 ========== */
.detail-section {
  padding: var(--spacing-xl) 0;
  background: var(--color-light-gray);
}

.detail-slider {
  display: flex;
  gap: 2rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: var(--spacing-md) 0;
  scrollbar-width: none;
}

.detail-slider::-webkit-scrollbar {
  display: none;
}

.detail-card {
  flex: 0 0 auto;
  width: 400px;
  scroll-snap-align: center;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.detail-card img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.detail-card p {
  padding: 1.5rem;
  background: white;
  text-align: center;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  margin: 0;
}

/* ========== 匠心工艺页面 ========== */
.craft-section {
  padding: var(--spacing-xl) 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.craft-section:nth-child(even) {
  background: var(--color-light-gray);
}

.craft-visual {
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.craft-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.craft-text h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-dark-night);
}

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

.craft-points {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.craft-point {
  padding: 1.5rem;
  background: white;
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-sm);
}

.craft-point h4 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--color-dark-night);
}

.craft-point p {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  margin: 0;
}

.craft-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  padding: var(--spacing-lg) 0;
}

.craft-detail-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.craft-detail-item img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.craft-detail-item p {
  padding: 1rem;
  background: white;
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin: 0;
}

/* ========== 理念阐述区 ========== */
.philosophy-statement {
  padding: var(--spacing-xl) 0;
  background: var(--color-pearl-white);
}

.statement-quote {
  font-family: var(--font-serif-cn);
  font-size: 1.8rem;
  text-align: center;
  color: var(--color-dark-night);
  margin-bottom: var(--spacing-lg);
  font-style: italic;
  position: relative;
  padding: 0 var(--spacing-md);
}

.statement-quote::before,
.statement-quote::after {
  content: '"';
  font-size: 3rem;
  color: var(--color-accent);
  opacity: 0.3;
}

.statement-text {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

.statement-text p {
  font-size: 1rem;
  line-height: 2.2;
  color: var(--color-text-secondary);
}

/* ========== 时间轴 ========== */
.timeline-section {
  padding: var(--spacing-xl) 0;
  background: var(--color-light-gray);
}

.timeline {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  position: relative;
  padding: var(--spacing-lg) 0;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 50px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-border);
  z-index: 0;
}

.timeline-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 1;
}

.timeline-icon {
  width: 60px;
  height: 60px;
  background: white;
  border: 3px solid var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.timeline-icon svg {
  width: 30px;
  height: 30px;
  fill: var(--color-accent);
}

.timeline-content h4 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--color-dark-night);
}

.timeline-content p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin: 0;
}

/* ========== 返回首页链接 ========== */
.back-link {
  display: inline-block;
  margin: var(--spacing-lg) auto;
  padding: 0.75rem 2rem;
  background: transparent;
  border: 1px solid var(--color-dark-night);
  color: var(--color-dark-night);
  border-radius: var(--radius-lg);
  font-size: 1rem;
  text-align: center;
}

.back-container {
  text-align: center;
  padding: var(--spacing-md) 0;
}

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

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

.mt-lg {
  margin-top: var(--spacing-lg);
}