/* ============================================================
   17C 生活美学内容平台 - 主样式表
   风格：温暖治愈·自然生活·人文气息·大地色系
   ============================================================ */

/* ---------- 字体引入 ---------- */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@300;400;600;700&family=Noto+Sans+SC:wght@300;400;500&display=swap');

/* ---------- CSS 变量 ---------- */
:root {
  --color-bg:        #F9F6F0;
  --color-bg-alt:    #F3EDE4;
  --color-primary:   #D4C4B7;
  --color-secondary: #8C7A6B;
  --color-accent:    #C4895A;
  --color-text:      #4A4036;
  --color-text-light:#9E9084;
  --color-border:    #E5DDD5;
  --color-white:     #FFFFFF;
  --font-serif:      'Noto Serif SC', 'SimSun', serif;
  --font-sans:       'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --radius-sm:       6px;
  --radius-md:       12px;
  --radius-lg:       20px;
  --shadow-soft:     0 4px 24px rgba(140,122,107,0.10);
  --shadow-card:     0 8px 32px rgba(140,122,107,0.14);
  --transition:      0.3s ease;
  --max-width:       1200px;
}

/* ---------- 全局重置 ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent); }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---------- 容器 ---------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- 通用标题 ---------- */
.section-label {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.4;
  margin-bottom: 16px;
}
.section-subtitle {
  font-size: 1rem;
  color: var(--color-text-light);
  max-width: 560px;
  line-height: 1.9;
}
.section-meta {
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-top: 8px;
  font-style: italic;
}
.text-center { text-align: center; }
.text-center .section-subtitle { margin: 0 auto; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition);
}
.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
}
.btn-primary:hover {
  background: #b07340;
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(196,137,90,0.30);
}
.btn-outline {
  border: 1.5px solid var(--color-secondary);
  color: var(--color-secondary);
  background: transparent;
}
.btn-outline:hover {
  background: var(--color-secondary);
  color: var(--color-white);
}

/* ============================================================
   头部导航
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(249,246,240,0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: 0;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 24px;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-mark {
  width: 40px;
  height: 40px;
  background: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.logo-text {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.04em;
}
.logo-tagline {
  font-size: 0.7rem;
  color: var(--color-text-light);
  letter-spacing: 0.06em;
  display: block;
  margin-top: -2px;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.site-nav a {
  font-size: 0.9rem;
  color: var(--color-text);
  font-weight: 400;
  position: relative;
  padding-bottom: 2px;
}
.site-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--color-accent);
  transition: width var(--transition);
}
.site-nav a:hover::after,
.site-nav a.active::after { width: 100%; }
.site-nav a:hover { color: var(--color-accent); }

/* 搜索框 */
.header-search {
  position: relative;
  flex: 0 0 220px;
}
.header-search input {
  width: 100%;
  padding: 8px 36px 8px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: 20px;
  background: var(--color-bg-alt);
  font-size: 0.85rem;
  color: var(--color-text);
  outline: none;
  font-family: var(--font-sans);
  transition: border-color var(--transition);
}
.header-search input:focus { border-color: var(--color-accent); }
.header-search input::placeholder { color: var(--color-text-light); }
.header-search .search-icon {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-light);
  pointer-events: none;
  font-size: 0.9rem;
}
.search-tip {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.82rem;
  color: var(--color-text-light);
  box-shadow: var(--shadow-soft);
  display: none;
  z-index: 200;
}
.header-search input:focus + .search-icon + .search-tip,
.search-tip.show { display: block; }

/* 汉堡菜单 */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ============================================================
   搜索栏（导航下方）
   ============================================================ */
.search-bar-section {
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  padding: 14px 0;
}
.search-bar-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.search-bar-inner input {
  flex: 1;
  padding: 10px 20px;
  border: 1.5px solid var(--color-border);
  border-radius: 24px;
  background: var(--color-white);
  font-size: 0.9rem;
  color: var(--color-text);
  outline: none;
  font-family: var(--font-sans);
  transition: border-color var(--transition);
}
.search-bar-inner input:focus { border-color: var(--color-accent); }
.search-bar-inner button {
  padding: 10px 24px;
  background: var(--color-accent);
  color: #fff;
  border-radius: 24px;
  font-size: 0.9rem;
  font-family: var(--font-sans);
  transition: background var(--transition);
}
.search-bar-inner button:hover { background: #b07340; }

/* ============================================================
   Hero Banner
   ============================================================ */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: brightness(0.72);
  transform: scale(1.03);
  transition: transform 8s ease;
}
.hero:hover .hero-bg { transform: scale(1.0); }
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(74,64,54,0.55) 0%, rgba(140,122,107,0.20) 60%, transparent 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
  padding: 60px 0;
}
.hero-badge {
  display: inline-block;
  background: rgba(196,137,90,0.90);
  color: #fff;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
  font-weight: 500;
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.25;
  margin-bottom: 20px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.18);
}
.hero-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.88);
  line-height: 1.9;
  margin-bottom: 36px;
  max-width: 520px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
  position: absolute;
  bottom: 40px;
  right: 0;
  display: flex;
  gap: 32px;
  z-index: 2;
}
.hero-stat {
  text-align: center;
  color: rgba(255,255,255,0.90);
}
.hero-stat strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
  color: #fff;
}
.hero-stat span { font-size: 0.8rem; opacity: 0.8; }

/* ============================================================
   通用 Section 间距
   ============================================================ */
.section { padding: 90px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-dark {
  background: var(--color-text);
  color: var(--color-white);
}
.section-header { margin-bottom: 56px; }

/* ============================================================
   生活哲学
   ============================================================ */
.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 48px;
}
.philosophy-item {
  text-align: center;
  padding: 40px 28px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
}
.philosophy-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}
.philosophy-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  background: var(--color-bg-alt);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}
.philosophy-item h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  margin-bottom: 12px;
  color: var(--color-text);
}
.philosophy-item p {
  font-size: 0.88rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

/* ============================================================
   视频卡片
   ============================================================ */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.video-grid.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}
.video-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}
.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--color-bg-alt);
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.06); }
.video-play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(74,64,54,0.0);
  transition: background var(--transition);
}
.video-card:hover .video-play-btn {
  background: rgba(74,64,54,0.38);
}
.play-circle {
  width: 52px;
  height: 52px;
  background: rgba(255,255,255,0.92);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.7);
  transition: opacity var(--transition), transform var(--transition);
  box-shadow: 0 4px 16px rgba(0,0,0,0.18);
}
.video-card:hover .play-circle {
  opacity: 1;
  transform: scale(1);
}
.play-circle svg {
  width: 20px;
  height: 20px;
  fill: var(--color-accent);
  margin-left: 3px;
}
.video-duration {
  position: absolute;
  bottom: 8px;
  right: 10px;
  background: rgba(0,0,0,0.65);
  color: #fff;
  font-size: 0.72rem;
  padding: 2px 7px;
  border-radius: 4px;
  font-weight: 500;
}
.video-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.68rem;
  padding: 3px 9px;
  border-radius: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
}
.video-body { padding: 18px 20px 20px; }
.video-category {
  font-size: 0.72rem;
  color: var(--color-accent);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.video-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-desc {
  font-size: 0.82rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.75rem;
  color: var(--color-text-light);
  border-top: 1px solid var(--color-border);
  padding-top: 12px;
}
.video-meta span { display: flex; align-items: center; gap: 4px; }

/* ============================================================
   数据统计
   ============================================================ */
.stats-section {
  background: linear-gradient(135deg, var(--color-text) 0%, #6B5A4E 100%);
  padding: 72px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}
.stat-item { color: rgba(255,255,255,0.90); }
.stat-number {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: #fff;
  display: block;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label {
  font-size: 0.85rem;
  opacity: 0.75;
  letter-spacing: 0.06em;
}

/* ============================================================
   匠人团队
   ============================================================ */
.artisan-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}
.artisan-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
}
.artisan-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}
.artisan-photo {
  aspect-ratio: 3/2;
  overflow: hidden;
}
.artisan-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.artisan-card:hover .artisan-photo img { transform: scale(1.05); }
.artisan-body { padding: 24px; }
.artisan-name {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 4px;
}
.artisan-role {
  font-size: 0.8rem;
  color: var(--color-accent);
  margin-bottom: 12px;
  font-weight: 500;
}
.artisan-story {
  font-size: 0.88rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

/* ============================================================
   用户评论
   ============================================================ */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.review-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  border: 1px solid var(--color-border);
  position: relative;
  transition: box-shadow var(--transition);
}
.review-card:hover { box-shadow: var(--shadow-card); }
.review-quote {
  font-size: 2.5rem;
  color: var(--color-primary);
  font-family: Georgia, serif;
  line-height: 1;
  margin-bottom: 12px;
}
.review-text {
  font-size: 0.92rem;
  color: var(--color-text);
  line-height: 1.85;
  margin-bottom: 20px;
  font-style: italic;
}
.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.review-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-secondary);
  font-weight: 600;
  flex-shrink: 0;
}
.review-name {
  font-weight: 500;
  font-size: 0.9rem;
}
.review-stars {
  font-size: 0.75rem;
  color: #E8A87C;
  letter-spacing: 2px;
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--color-border);
}
.faq-question {
  width: 100%;
  text-align: left;
  padding: 22px 0;
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  cursor: pointer;
  transition: color var(--transition);
}
.faq-question:hover { color: var(--color-accent); }
.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1.5px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1rem;
  color: var(--color-secondary);
  transition: all var(--transition);
}
.faq-item.open .faq-icon {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
  transform: rotate(45deg);
}
.faq-answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.4s ease, padding 0.3s ease;
}
.faq-answer-inner {
  padding-bottom: 20px;
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.9;
}
.faq-item.open .faq-answer { max-height: 300px; }

/* ============================================================
   媒体报道
   ============================================================ */
.media-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.media-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  transition: box-shadow var(--transition);
}
.media-card:hover { box-shadow: var(--shadow-card); }
.media-source {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.media-quote {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-text);
  line-height: 1.8;
  font-style: italic;
}

/* ============================================================
   加入我们
   ============================================================ */
.join-section {
  background: linear-gradient(135deg, #F3EDE4 0%, #EDE4D8 100%);
  text-align: center;
  padding: 96px 0;
}
.join-section .section-title { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
.join-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
  margin-bottom: 48px;
}
.join-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  border: 1px solid var(--color-border);
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}
.join-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}
.join-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}
.join-card h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  margin-bottom: 10px;
}
.join-card p {
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

/* ============================================================
   联系我们
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.contact-info h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 20px;
}
.contact-info p {
  font-size: 0.92rem;
  color: var(--color-text-light);
  line-height: 1.9;
  margin-bottom: 32px;
}
.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
}
.contact-detail-icon {
  width: 40px;
  height: 40px;
  background: var(--color-bg-alt);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.contact-detail-text strong {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 2px;
}
.contact-detail-text span {
  font-size: 0.82rem;
  color: var(--color-text-light);
}
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-text);
}
.form-group input,
.form-group textarea,
.form-group select {
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-alt);
  font-size: 0.9rem;
  color: var(--color-text);
  font-family: var(--font-sans);
  outline: none;
  transition: border-color var(--transition);
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--color-accent); background: var(--color-white); }
.form-group textarea { min-height: 120px; }

/* ============================================================
   社交分享
   ============================================================ */
.social-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 32px;
}
.social-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 500;
  border: 1.5px solid var(--color-border);
  color: var(--color-text);
  transition: all var(--transition);
}
.social-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(196,137,90,0.06);
}

/* ============================================================
   页脚
   ============================================================ */
.site-footer {
  background: var(--color-text);
  color: rgba(255,255,255,0.75);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .logo-text { color: #fff; }
.footer-brand .logo-tagline { color: rgba(255,255,255,0.5); }
.footer-desc {
  font-size: 0.85rem;
  line-height: 1.9;
  margin-top: 16px;
  color: rgba(255,255,255,0.55);
}
.footer-col h4 {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: #fff;
  margin-bottom: 18px;
  font-weight: 600;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--color-accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.10);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.40);
}
.footer-bottom a { color: rgba(255,255,255,0.50); }
.footer-bottom a:hover { color: var(--color-accent); }

/* ============================================================
   面包屑
   ============================================================ */
.breadcrumb {
  padding: 16px 0;
  font-size: 0.82rem;
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  gap: 8px;
}
.breadcrumb a { color: var(--color-text-light); }
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb span { color: var(--color-border); }

/* ============================================================
   页面 Banner（子页面）
   ============================================================ */
.page-banner {
  background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-primary) 100%);
  padding: 72px 0 56px;
  text-align: center;
}
.page-banner h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 3rem);
  color: var(--color-text);
  margin-bottom: 12px;
}
.page-banner p {
  font-size: 1rem;
  color: var(--color-text-light);
  max-width: 500px;
  margin: 0 auto;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
  .video-grid.grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .site-nav { display: none; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: var(--color-bg); padding: 20px 24px; border-bottom: 1px solid var(--color-border); gap: 16px; }
  .site-nav.open { display: flex; }
  .nav-toggle { display: flex; }
  .header-search { display: none; }
  .hero { min-height: 70vh; }
  .hero-stats { display: none; }
  .philosophy-grid,
  .artisan-grid,
  .join-cards { grid-template-columns: 1fr; }
  .video-grid,
  .video-grid.grid-4,
  .reviews-grid,
  .media-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .section { padding: 60px 0; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 1.8rem; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
}

/* ============================================================
   动画
   ============================================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-in-up { animation: fadeInUp 0.7s ease both; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }

/* ============================================================
   懒加载占位
   ============================================================ */
img[loading="lazy"] { background: var(--color-bg-alt); }

/* ============================================================
   视频模态框
   ============================================================ */
.video-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.80);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.video-modal.open { display: flex; }
.video-modal-inner {
  background: #000;
  border-radius: var(--radius-md);
  overflow: hidden;
  width: 100%;
  max-width: 800px;
  position: relative;
}
.video-modal video {
  width: 100%;
  display: block;
}
.video-modal-close {
  position: absolute;
  top: 12px;
  right: 14px;
  color: #fff;
  font-size: 1.5rem;
  background: rgba(0,0,0,0.5);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: background var(--transition);
}
.video-modal-close:hover { background: rgba(196,137,90,0.8); }

/* ============================================================
   滚动条美化
   ============================================================ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-primary); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-secondary); }