/* ===================================================
   17C视频网 - 主样式文件
   风格：温暖治愈·自然生活·人文气息
   色系：柔和大地色系
   =================================================== */

/* --- CSS变量 --- */
:root {
  --color-bg:         #faf8f4;
  --color-bg-alt:     #f4f0e8;
  --color-bg-card:    #fffcf7;
  --color-primary:    #c8956c;
  --color-primary-dk: #a87050;
  --color-accent:     #d4a96a;
  --color-text:       #3d3530;
  --color-text-light: #7a6a5e;
  --color-text-muted: #a89880;
  --color-border:     #e8ddd0;
  --color-white:      #ffffff;
  --font-main:        'Noto Serif SC', 'Source Han Serif CN', Georgia, serif;
  --font-sans:        'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --radius-sm:        6px;
  --radius-md:        12px;
  --radius-lg:        20px;
  --shadow-sm:        0 2px 8px rgba(120,90,60,0.08);
  --shadow-md:        0 6px 24px rgba(120,90,60,0.12);
  --shadow-lg:        0 16px 48px rgba(120,90,60,0.16);
  --transition:       0.3s ease;
  --max-width:        1200px;
}

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

/* --- 容器 --- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-alt { background-color: var(--color-bg-alt); }

/* --- 标题 --- */
.section-label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-main);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: var(--color-text);
  font-weight: 600;
  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-header { margin-bottom: 48px; }
.section-header.center { text-align: center; }
.section-header.center .section-subtitle { margin: 0 auto; }
.update-time {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 8px;
}

/* ===================================================
   顶部导航
   =================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(250,248,244,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-mark {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: var(--font-main);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.logo-text { font-family: var(--font-main); font-size: 1.2rem; font-weight: 700; color: var(--color-text); }
.logo-sub { font-size: 0.7rem; color: var(--color-text-muted); display: block; line-height: 1; }

.site-nav { display: flex; align-items: center; gap: 4px; }
.site-nav a {
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--color-text-light);
  transition: all var(--transition);
}
.site-nav a:hover, .site-nav a.active {
  color: var(--color-primary);
  background: rgba(200,149,108,0.1);
}

/* 搜索框 */
.header-search {
  display: flex;
  align-items: center;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 24px;
  padding: 6px 16px;
  gap: 8px;
  transition: all var(--transition);
  min-width: 200px;
}
.header-search:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(200,149,108,0.15);
}
.header-search input {
  border: none;
  background: transparent;
  outline: none;
  font-size: 0.88rem;
  color: var(--color-text);
  width: 100%;
  font-family: var(--font-sans);
}
.header-search input::placeholder { color: var(--color-text-muted); }
.search-icon { color: var(--color-text-muted); font-size: 0.9rem; flex-shrink: 0; }

/* 搜索结果提示 */
.search-hint {
  display: none;
  position: absolute;
  top: 68px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 24px;
  box-shadow: var(--shadow-md);
  font-size: 0.88rem;
  color: var(--color-text-light);
  white-space: nowrap;
  z-index: 999;
}

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 22px; 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: 680px;
  margin: 0 auto;
  padding: 0 24px;
}
.search-bar-main {
  flex: 1;
  display: flex;
  align-items: center;
  background: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: 32px;
  padding: 10px 20px;
  gap: 10px;
  transition: all var(--transition);
}
.search-bar-main:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(200,149,108,0.15);
}
.search-bar-main input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 0.95rem;
  color: var(--color-text);
  background: transparent;
  font-family: var(--font-sans);
}
.search-bar-main input::placeholder { color: var(--color-text-muted); }
.search-bar-btn {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff;
  border: none;
  border-radius: 24px;
  padding: 10px 24px;
  font-size: 0.9rem;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: opacity var(--transition);
  white-space: nowrap;
}
.search-bar-btn:hover { opacity: 0.88; }
.search-hot-tags { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 10px; max-width: 680px; margin-left: auto; margin-right: auto; padding: 0 24px; }
.search-hot-tags span { font-size: 0.78rem; color: var(--color-text-muted); }
.search-hot-tags a {
  font-size: 0.8rem;
  color: var(--color-text-light);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 3px 12px;
  transition: all var(--transition);
}
.search-hot-tags a:hover { color: var(--color-primary); border-color: var(--color-primary); background: rgba(200,149,108,0.06); }

/* ===================================================
   Hero Banner
   =================================================== */
.hero {
  position: relative;
  height: 580px;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.82);
  transition: transform 8s ease;
}
.hero:hover .hero-bg { transform: scale(1.03); }
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(61,53,48,0.55) 0%, rgba(200,149,108,0.15) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  color: #fff;
  max-width: 640px;
  padding: 0 48px;
}
.hero-badge {
  display: inline-block;
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: 20px;
  padding: 4px 16px;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
  backdrop-filter: blur(4px);
}
.hero h1 {
  font-family: var(--font-main);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.2);
}
.hero-sub {
  font-size: 1.05rem;
  line-height: 1.8;
  opacity: 0.92;
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 28px;
  border-radius: 32px;
  font-size: 0.92rem;
  font-family: var(--font-sans);
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff;
  box-shadow: 0 4px 16px rgba(200,149,108,0.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(200,149,108,0.5); color: #fff; }
.btn-outline {
  background: rgba(255,255,255,0.15);
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.6);
  backdrop-filter: blur(4px);
}
.btn-outline:hover { background: rgba(255,255,255,0.25); color: #fff; }
.btn-secondary {
  background: var(--color-bg-alt);
  color: var(--color-primary);
  border: 1.5px solid var(--color-border);
}
.btn-secondary:hover { background: rgba(200,149,108,0.1); border-color: var(--color-primary); }

/* ===================================================
   生活哲学
   =================================================== */
.philosophy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.philosophy-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.philosophy-img img { width: 100%; height: 420px; object-fit: cover; }
.philosophy-text .section-subtitle { max-width: 100%; }
.philosophy-values { display: flex; flex-direction: column; gap: 20px; margin-top: 32px; }
.value-item { display: flex; gap: 16px; align-items: flex-start; }
.value-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, rgba(200,149,108,0.15), rgba(212,169,106,0.15));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.value-item h4 { font-size: 0.95rem; font-weight: 600; color: var(--color-text); margin-bottom: 4px; }
.value-item p { font-size: 0.88rem; color: var(--color-text-light); line-height: 1.7; }

/* ===================================================
   生活场景
   =================================================== */
.scenes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.scene-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-bg-card);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.scene-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.scene-card-img { height: 220px; overflow: hidden; }
.scene-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.scene-card:hover .scene-card-img img { transform: scale(1.06); }
.scene-card-body { padding: 20px; }
.scene-card-tag {
  display: inline-block;
  background: rgba(200,149,108,0.12);
  color: var(--color-primary);
  border-radius: 16px;
  padding: 2px 10px;
  font-size: 0.75rem;
  margin-bottom: 8px;
}
.scene-card-body h3 { font-family: var(--font-main); font-size: 1rem; margin-bottom: 6px; }
.scene-card-body p { font-size: 0.85rem; color: var(--color-text-light); line-height: 1.7; }

/* ===================================================
   视频卡片
   =================================================== */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.video-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  cursor: pointer;
}
.video-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.video-thumb {
  position: relative;
  height: 180px;
  overflow: hidden;
}
.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(0,0,0,0);
  transition: background var(--transition);
}
.video-card:hover .video-play-btn { background: rgba(0,0,0,0.35); }
.play-circle {
  width: 52px;
  height: 52px;
  background: rgba(255,255,255,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.8);
  transition: all var(--transition);
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}
.video-card:hover .play-circle { opacity: 1; transform: scale(1); }
.play-circle svg { width: 20px; height: 20px; fill: var(--color-primary); margin-left: 3px; }
.video-duration {
  position: absolute;
  bottom: 8px;
  right: 10px;
  background: rgba(0,0,0,0.65);
  color: #fff;
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 4px;
}
.video-body { padding: 16px; }
.video-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
.video-tag {
  font-size: 0.72rem;
  background: rgba(200,149,108,0.1);
  color: var(--color-primary);
  border-radius: 12px;
  padding: 2px 8px;
}
.video-body h3 { font-size: 0.95rem; font-weight: 600; margin-bottom: 6px; line-height: 1.5; }
.video-body p { font-size: 0.82rem; color: var(--color-text-light); line-height: 1.6; margin-bottom: 12px; }
.video-stats {
  display: flex;
  gap: 14px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}
.video-stats span { display: flex; align-items: center; gap: 4px; }

/* ===================================================
   数据统计
   =================================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-card {
  text-align: center;
  padding: 40px 24px;
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}
.stat-number {
  font-family: var(--font-main);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label { font-size: 0.88rem; color: var(--color-text-light); }

/* ===================================================
   匠人
   =================================================== */
.artisan-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.artisan-card {
  display: flex;
  gap: 24px;
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}
.artisan-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.artisan-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  border: 3px solid var(--color-border);
}
.artisan-avatar img { width: 100%; height: 100%; object-fit: cover; }
.artisan-info h3 { font-family: var(--font-main); font-size: 1.05rem; margin-bottom: 4px; }
.artisan-role {
  font-size: 0.8rem;
  color: var(--color-primary);
  margin-bottom: 10px;
  display: block;
}
.artisan-story { font-size: 0.88rem; color: var(--color-text-light); line-height: 1.8; }

/* ===================================================
   媒体报道
   =================================================== */
.media-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.media-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: 28px;
  border-left: 4px solid var(--color-primary);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.media-card:hover { box-shadow: var(--shadow-md); transform: translateX(4px); }
.media-source {
  font-size: 0.78rem;
  color: var(--color-primary);
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}
.media-card h3 { font-family: var(--font-main); font-size: 1rem; margin-bottom: 10px; }
.media-excerpt { font-size: 0.88rem; color: var(--color-text-light); line-height: 1.8; font-style: italic; }

/* ===================================================
   FAQ
   =================================================== */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  transition: background var(--transition);
  gap: 16px;
}
.faq-question:hover { background: rgba(200,149,108,0.06); }
.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(200,149,108,0.12);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  transition: transform var(--transition);
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  display: none;
  padding: 0 24px 20px;
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.9;
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
}
.faq-item.open .faq-answer { display: block; }

/* ===================================================
   用户评论
   =================================================== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.review-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}
.review-card:hover { box-shadow: var(--shadow-md); }
.review-stars { color: var(--color-accent); font-size: 0.9rem; margin-bottom: 12px; letter-spacing: 2px; }
.review-text { font-size: 0.9rem; color: var(--color-text-light); line-height: 1.8; margin-bottom: 16px; font-style: italic; }
.review-author { display: flex; align-items: center; gap: 10px; }
.review-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  flex-shrink: 0;
}
.review-name { font-size: 0.88rem; font-weight: 600; }
.review-date { font-size: 0.75rem; color: var(--color-text-muted); }

/* ===================================================
   加入我们
   =================================================== */
.join-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: #fff;
  text-align: center;
  padding: 80px 24px;
}
.join-section .section-title { color: #fff; }
.join-section .section-subtitle { color: rgba(255,255,255,0.85); margin: 0 auto 32px; }
.join-section .btn-outline { border-color: rgba(255,255,255,0.7); }
.join-benefits {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 48px;
  flex-wrap: wrap;
}
.join-benefit { text-align: center; }
.join-benefit-icon { font-size: 2rem; margin-bottom: 8px; }
.join-benefit p { font-size: 0.88rem; opacity: 0.9; }

/* ===================================================
   联系我们
   =================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.contact-info h3 { font-family: var(--font-main); font-size: 1.2rem; margin-bottom: 24px; }
.contact-items { display: flex; flex-direction: column; gap: 16px; }
.contact-item { display: flex; gap: 12px; align-items: flex-start; }
.contact-item-icon {
  width: 40px;
  height: 40px;
  background: rgba(200,149,108,0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.contact-item-text h4 { font-size: 0.88rem; font-weight: 600; margin-bottom: 2px; }
.contact-item-text p { font-size: 0.85rem; color: var(--color-text-light); }
.social-links { display: flex; gap: 12px; margin-top: 24px; flex-wrap: wrap; }
.social-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  font-size: 0.82rem;
  color: var(--color-text-light);
  transition: all var(--transition);
}
.social-link:hover { color: var(--color-primary); border-color: var(--color-primary); background: rgba(200,149,108,0.06); }

.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--color-text); }
.form-group input,
.form-group textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-card);
  font-size: 0.9rem;
  color: var(--color-text);
  font-family: var(--font-sans);
  transition: border-color var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--color-primary); }
.form-group textarea { height: 120px; resize: vertical; }

/* ===================================================
   页脚
   =================================================== */
.site-footer {
  background: var(--color-text);
  color: rgba(255,255,255,0.75);
  padding: 60px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .logo-mark { background: linear-gradient(135deg, var(--color-primary), var(--color-accent)); }
.footer-brand .logo-text { color: #fff; }
.footer-brand .logo-sub { color: rgba(255,255,255,0.5); }
.footer-desc { font-size: 0.88rem; line-height: 1.8; margin-top: 16px; color: rgba(255,255,255,0.6); }
.footer-col h4 { font-size: 0.9rem; font-weight: 600; color: #fff; margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { font-size: 0.85rem; color: rgba(255,255,255,0.6); transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--color-accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.45);
}
.footer-bottom a { color: rgba(255,255,255,0.6); }
.footer-bottom a:hover { color: var(--color-accent); }

/* ===================================================
   响应式
   =================================================== */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .hero { height: 460px; }
  .hero-content { padding: 0 24px; }
  .hero h1 { font-size: 1.8rem; }
  .philosophy-grid { grid-template-columns: 1fr; gap: 32px; }
  .scenes-grid { grid-template-columns: 1fr; }
  .artisan-grid { grid-template-columns: 1fr; }
  .media-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .site-nav { display: none; }
  .site-nav.open { display: flex; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: var(--color-bg); border-bottom: 1px solid var(--color-border); padding: 16px; gap: 4px; z-index: 999; }
  .hamburger { display: flex; }
  .header-search { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .join-benefits { gap: 24px; }
  .header-inner { position: relative; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero { height: 380px; }
  .hero-actions { flex-direction: column; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .video-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
}

/* ===================================================
   动画
   =================================================== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-in-up { animation: fadeInUp 0.6s ease forwards; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }

/* 懒加载占位 */
img[data-src] { background: var(--color-bg-alt); min-height: 120px; }