/* ============================================
   国产自拍 - 影视传媒品牌官网样式表
   原创设计 | 859796.cn
   配色方案：樱花粉紫渐变主题
   ============================================ */

/* --- CSS Variables --- */
:root {
  --xh-primary: #E8456B;
  --xh-secondary: #FF7E9D;
  --xh-accent: #6C3CE0;
  --xh-dark: #1A1030;
  --xh-light: #FFF5F7;
  --xh-text: #2D1B4E;
  --xh-text-light: #8B7A9E;
  --xh-gradient: linear-gradient(135deg, #E8456B 0%, #6C3CE0 100%);
  --xh-gradient-soft: linear-gradient(135deg, #FF7E9D 0%, #B08AFF 100%);
  --xh-shadow: 0 4px 20px rgba(108, 60, 224, 0.12);
  --xh-shadow-hover: 0 8px 32px rgba(232, 69, 107, 0.2);
  --xh-radius: 12px;
  --xh-radius-lg: 20px;
  --xh-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--xh-text);
  background: var(--xh-light);
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: var(--xh-primary); text-decoration: none; transition: var(--xh-transition); }
a:hover { color: var(--xh-accent); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--xh-dark); }

/* --- Container --- */
.xh-container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.xh-container-wide { max-width: 1400px; margin: 0 auto; padding: 0 20px; }

/* --- Header --- */
.xh-header {
  background: rgba(26, 16, 48, 0.95);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 2px solid rgba(232, 69, 107, 0.3);
}
.xh-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  max-width: 1400px;
  margin: 0 auto;
}
.xh-logo { display: flex; align-items: center; gap: 10px; }
.xh-logo img { height: 48px; width: auto; }
.xh-logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--xh-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Navigation --- */
.xh-nav { display: flex; align-items: center; gap: 4px; }
.xh-nav a {
  color: rgba(255,255,255,0.85);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--xh-transition);
  white-space: nowrap;
}
.xh-nav a:hover, .xh-nav a.active {
  background: var(--xh-gradient);
  color: #fff;
}
.xh-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.xh-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  margin: 5px 0;
  transition: var(--xh-transition);
}

/* --- Breadcrumb --- */
.xh-breadcrumb {
  padding: 12px 0;
  font-size: 0.85rem;
  color: var(--xh-text-light);
  background: #fff;
  border-bottom: 1px solid rgba(232, 69, 107, 0.08);
}
.xh-breadcrumb a { color: var(--xh-primary); }
.xh-breadcrumb a:hover { color: var(--xh-accent); }
.xh-breadcrumb span { margin: 0 8px; color: var(--xh-text-light); }

/* --- Search Bar --- */
.xh-search-bar {
  background: var(--xh-dark);
  padding: 14px 0;
  border-bottom: 1px solid rgba(232, 69, 107, 0.15);
}
.xh-search-wrap {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  gap: 0;
  padding: 0 20px;
}
.xh-search-input {
  flex: 1;
  padding: 12px 20px;
  border: 2px solid rgba(232, 69, 107, 0.4);
  border-right: none;
  border-radius: var(--xh-radius) 0 0 var(--xh-radius);
  background: rgba(255,255,255,0.08);
  color: #fff;
  font-size: 0.95rem;
  outline: none;
  transition: var(--xh-transition);
}
.xh-search-input::placeholder { color: rgba(255,255,255,0.4); }
.xh-search-input:focus { border-color: var(--xh-primary); background: rgba(255,255,255,0.12); }
.xh-search-btn {
  padding: 12px 28px;
  background: var(--xh-gradient);
  color: #fff;
  border: none;
  border-radius: 0 var(--xh-radius) var(--xh-radius) 0;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--xh-transition);
}
.xh-search-btn:hover { opacity: 0.9; transform: scale(1.02); }

/* --- Hero Banner --- */
.xh-hero {
  position: relative;
  min-height: 520px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.xh-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.5);
}
.xh-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  padding: 40px 20px;
  max-width: 800px;
}
.xh-hero h1 {
  font-size: 2.8rem;
  color: #fff;
  margin-bottom: 16px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.xh-hero h1 span {
  background: var(--xh-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.xh-hero p {
  font-size: 1.1rem;
  opacity: 0.9;
  max-width: 700px;
  margin: 0 auto 24px;
  line-height: 1.8;
}
.xh-hero-tags { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 28px; }
.xh-hero-tags span {
  padding: 6px 18px;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  border-radius: 20px;
  font-size: 0.85rem;
  border: 1px solid rgba(255,255,255,0.2);
}
.xh-hero-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.xh-btn-white {
  color: #fff;
  border-color: rgba(255,255,255,0.6);
}
.xh-btn-white:hover {
  background: rgba(255,255,255,0.15);
  color: #fff;
  border-color: #fff;
}

/* --- Section Common --- */
.xh-section { padding: 64px 0; }
.xh-section-alt { background: #fff; }
.xh-section-dark { background: var(--xh-dark); color: #fff; }
.xh-section-dark h2, .xh-section-dark h3, .xh-section-dark h4 { color: #fff; }
.xh-section-header { text-align: center; margin-bottom: 48px; }
.xh-section-header h2 {
  font-size: 2rem;
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}
.xh-section-header h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--xh-gradient);
  margin: 12px auto 0;
  border-radius: 2px;
}
.xh-section-header p {
  color: var(--xh-text-light);
  font-size: 1rem;
  max-width: 640px;
  margin: 0 auto;
}
.xh-section-dark .xh-section-header p { color: rgba(255,255,255,0.65); }

/* --- Card Grid --- */
.xh-grid { display: grid; gap: 24px; }
.xh-grid-2 { grid-template-columns: repeat(2, 1fr); }
.xh-grid-3 { grid-template-columns: repeat(3, 1fr); }
.xh-grid-4 { grid-template-columns: repeat(4, 1fr); }

/* --- Video Card (H5 video + poster) --- */
.xh-video-card {
  border-radius: var(--xh-radius);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--xh-shadow);
  transition: var(--xh-transition);
  cursor: pointer;
}
.xh-video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--xh-shadow-hover);
}
.xh-video-thumb {
  position: relative;
  padding-top: 56.25%;
  overflow: hidden;
}
.xh-video-thumb img.xh-video-poster,
.xh-video-thumb video.xh-video-el {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--xh-transition);
}
.xh-video-thumb video.xh-video-el {
  z-index: 1;
  opacity: 0;
  pointer-events: none;
}
.xh-video-thumb img.xh-video-poster {
  z-index: 2;
}
.xh-video-card:hover .xh-video-thumb img.xh-video-poster { transform: scale(1.06); }
.xh-video-play {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(26, 16, 48, 0.4);
  opacity: 0;
  transition: var(--xh-transition);
}
.xh-video-card:hover .xh-video-play { opacity: 1; }
.xh-play-btn {
  width: 60px;
  height: 60px;
  background: var(--xh-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(232, 69, 107, 0.4);
  transition: var(--xh-transition);
}
.xh-play-btn::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent #fff;
  margin-left: 4px;
}
.xh-video-card:hover .xh-play-btn { transform: scale(1.1); }
.xh-video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  z-index: 4;
  background: rgba(0,0,0,0.7);
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
}
.xh-video-info { padding: 16px; }
.xh-video-info h3 {
  font-size: 1rem;
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.xh-video-desc {
  font-size: 0.82rem;
  color: var(--xh-text-light);
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.xh-video-meta {
  display: flex;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--xh-text-light);
}
.xh-video-tags { display: flex; gap: 6px; margin-top: 8px; flex-wrap: wrap; }
.xh-tag {
  padding: 3px 10px;
  background: var(--xh-light);
  color: var(--xh-primary);
  border-radius: 12px;
  font-size: 0.75rem;
  border: 1px solid rgba(232, 69, 107, 0.15);
}

/* --- Feature Card --- */
.xh-feature-card {
  background: #fff;
  border-radius: var(--xh-radius-lg);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--xh-shadow);
  transition: var(--xh-transition);
  border: 1px solid rgba(232, 69, 107, 0.08);
}
.xh-feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--xh-shadow-hover);
  border-color: var(--xh-primary);
}
.xh-feature-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  background: var(--xh-gradient-soft);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}
.xh-feature-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.xh-feature-card p { font-size: 0.9rem; color: var(--xh-text-light); line-height: 1.7; }

/* --- Expert Card --- */
.xh-expert-card {
  background: #fff;
  border-radius: var(--xh-radius-lg);
  overflow: hidden;
  box-shadow: var(--xh-shadow);
  transition: var(--xh-transition);
}
.xh-expert-card:hover { transform: translateY(-4px); box-shadow: var(--xh-shadow-hover); }
.xh-expert-avatar {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}
.xh-expert-info { padding: 20px; text-align: center; }
.xh-expert-info h3 { font-size: 1.1rem; margin-bottom: 4px; }
.xh-role {
  color: var(--xh-primary);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.xh-expert-info p { font-size: 0.85rem; color: var(--xh-text-light); margin-bottom: 12px; line-height: 1.7; }
.xh-expert-btns { display: flex; gap: 8px; justify-content: center; }

/* --- Buttons --- */
.xh-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--xh-transition);
}
.xh-btn-primary {
  background: var(--xh-gradient);
  color: #fff;
}
.xh-btn-primary:hover { opacity: 0.9; transform: translateY(-1px); color: #fff; }
.xh-btn-outline {
  background: transparent;
  color: var(--xh-primary);
  border: 2px solid var(--xh-primary);
}
.xh-btn-outline:hover { background: var(--xh-primary); color: #fff; }
.xh-btn-sm { padding: 6px 16px; font-size: 0.8rem; }

/* --- Partner Items --- */
.xh-partners {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.xh-partner-item {
  padding: 16px 28px;
  border-radius: 12px;
  font-weight: 700;
  color: var(--xh-text-light);
  transition: var(--xh-transition);
  border: 1px solid rgba(232, 69, 107, 0.1);
}
.xh-partner-item:nth-child(odd) { background: rgba(232,69,107,0.06); }
.xh-partner-item:nth-child(even) { background: rgba(108,60,224,0.06); }
.xh-partner-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--xh-shadow);
  color: var(--xh-primary);
}

/* --- FAQ --- */
.xh-faq-item {
  background: #fff;
  border-radius: var(--xh-radius);
  margin-bottom: 12px;
  border: 1px solid rgba(232, 69, 107, 0.1);
  overflow: hidden;
}
.xh-faq-q {
  padding: 18px 24px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--xh-transition);
}
.xh-faq-q:hover { color: var(--xh-primary); }
.xh-faq-q::after {
  content: '+';
  font-size: 1.3rem;
  color: var(--xh-primary);
  transition: var(--xh-transition);
  flex-shrink: 0;
  margin-left: 12px;
}
.xh-faq-item.active .xh-faq-q::after { content: '-'; }
.xh-faq-a {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  color: var(--xh-text-light);
  font-size: 0.9rem;
  line-height: 1.8;
}
.xh-faq-item.active .xh-faq-a {
  max-height: 300px;
  padding: 0 24px 18px;
}

/* --- Reviews --- */
.xh-review-card {
  background: #fff;
  border-radius: var(--xh-radius-lg);
  padding: 28px;
  box-shadow: var(--xh-shadow);
  border-left: 4px solid var(--xh-primary);
}
.xh-review-stars { color: #FFB800; font-size: 1rem; margin-bottom: 10px; }
.xh-review-text { font-size: 0.95rem; margin-bottom: 14px; line-height: 1.8; }
.xh-review-author { display: flex; align-items: center; gap: 10px; }
.xh-review-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--xh-gradient-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}
.xh-review-name { font-weight: 600; font-size: 0.9rem; }
.xh-review-date { font-size: 0.8rem; color: var(--xh-text-light); }

/* --- Contact Section --- */
.xh-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.xh-contact-info h3 { margin-bottom: 20px; font-size: 1.3rem; }
.xh-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 18px;
}
.xh-contact-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: var(--xh-gradient-soft);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}
.xh-contact-item strong { display: block; margin-bottom: 2px; }
.xh-contact-item span { font-size: 0.9rem; color: var(--xh-text-light); }
.xh-qrcode-grid { display: flex; gap: 24px; }
.xh-qrcode-item { text-align: center; }
.xh-qrcode-item img { width: 140px; height: 140px; border-radius: var(--xh-radius); margin-bottom: 8px; }
.xh-qrcode-item p { font-size: 0.85rem; color: var(--xh-text-light); }

/* --- How To Steps --- */
.xh-steps { display: flex; gap: 24px; flex-wrap: wrap; justify-content: center; }
.xh-step {
  flex: 1;
  min-width: 200px;
  max-width: 280px;
  text-align: center;
  position: relative;
}
.xh-step-num {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: var(--xh-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.5rem;
  font-weight: 800;
}
.xh-step h4 { margin-bottom: 8px; }
.xh-step p { font-size: 0.85rem; color: var(--xh-text-light); }

/* --- Footer --- */
.xh-footer {
  background: var(--xh-dark);
  color: rgba(255,255,255,0.7);
  padding: 48px 0 0;
}
.xh-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.xh-footer-brand .xh-logo { margin-bottom: 16px; }
.xh-footer-brand p { font-size: 0.9rem; line-height: 1.7; }
.xh-footer h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 10px;
}
.xh-footer h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--xh-gradient);
}
.xh-footer-links a {
  display: block;
  color: rgba(255,255,255,0.6);
  padding: 4px 0;
  font-size: 0.9rem;
}
.xh-footer-links a:hover { color: var(--xh-primary); }
.xh-footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 0.85rem;
}
.xh-footer-qr { display: flex; gap: 16px; }
.xh-footer-qr img { width: 100px; height: 100px; border-radius: 8px; }

/* --- Social Share --- */
.xh-share { display: flex; gap: 10px; align-items: center; }
.xh-share-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 700;
  transition: var(--xh-transition);
  cursor: pointer;
}
.xh-share-btn:hover { transform: scale(1.1); }
.xh-share-wechat { background: #07C160; }
.xh-share-weibo { background: #E6162D; }
.xh-share-douyin { background: #161823; }
.xh-share-bilibili { background: #00A1D6; }

/* --- Animations --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.xh-animate { animation: fadeInUp 0.6s ease forwards; }

/* --- Community Features --- */
.xh-community-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.xh-community-item {
  background: rgba(255,255,255,0.06);
  border-radius: var(--xh-radius);
  padding: 24px;
  text-align: center;
  border: 1px solid rgba(255,255,255,0.08);
  transition: var(--xh-transition);
}
.xh-community-item:hover {
  background: rgba(232, 69, 107, 0.1);
  border-color: var(--xh-primary);
  transform: translateY(-3px);
}
.xh-community-icon { font-size: 2.2rem; margin-bottom: 12px; }
.xh-community-item h4 { margin-bottom: 6px; font-size: 1rem; }
.xh-community-item p { font-size: 0.85rem; opacity: 0.7; }

/* --- AI Features --- */
.xh-ai-card {
  background: linear-gradient(135deg, rgba(108,60,224,0.08), rgba(232,69,107,0.08));
  border-radius: var(--xh-radius-lg);
  padding: 32px;
  display: flex;
  gap: 28px;
  align-items: center;
  margin-bottom: 24px;
  border: 1px solid rgba(108,60,224,0.12);
  transition: var(--xh-transition);
}
.xh-ai-card:hover { box-shadow: var(--xh-shadow-hover); }
.xh-ai-card img { width: 200px; height: 140px; object-fit: cover; border-radius: var(--xh-radius); flex-shrink: 0; }
.xh-ai-card h3 { margin-bottom: 8px; }
.xh-ai-card p { font-size: 0.9rem; color: var(--xh-text-light); line-height: 1.8; }

/* --- Inner Page Hero --- */
.xh-page-hero {
  background: var(--xh-dark);
  padding: 60px 0 40px;
  text-align: center;
}
.xh-page-hero h1 { color: #fff; font-size: 2.2rem; margin-bottom: 10px; }
.xh-page-hero p { color: rgba(255,255,255,0.65); font-size: 1rem; max-width: 600px; margin: 0 auto; }

/* --- Content Cards for Inner Pages --- */
.xh-content-card {
  background: #fff;
  border-radius: var(--xh-radius-lg);
  overflow: hidden;
  box-shadow: var(--xh-shadow);
  transition: var(--xh-transition);
  margin-bottom: 24px;
}
.xh-content-card:hover { box-shadow: var(--xh-shadow-hover); transform: translateY(-3px); }
.xh-content-card-body { padding: 24px; }
.xh-content-card-body h3 { margin-bottom: 10px; }
.xh-content-card-body p { color: var(--xh-text-light); font-size: 0.9rem; line-height: 1.7; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .xh-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .xh-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .xh-community-grid { grid-template-columns: repeat(2, 1fr); }
  .xh-footer-grid { grid-template-columns: 1fr 1fr; }
  .xh-contact-grid { grid-template-columns: 1fr; }
  .xh-ai-card { flex-direction: column; }
  .xh-ai-card img { width: 100%; height: 200px; }
}

@media (max-width: 768px) {
  html { font-size: 15px; }
  .xh-nav { 
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--xh-dark);
    flex-direction: column;
    padding: 16px;
    border-top: 1px solid rgba(255,255,255,0.1);
  }
  .xh-nav.active { display: flex; }
  .xh-nav a { padding: 12px 16px; }
  .xh-menu-toggle { display: block; }
  .xh-hero { min-height: 400px; }
  .xh-hero h1 { font-size: 2rem; }
  .xh-hero p { font-size: 0.95rem; }
  .xh-grid-2, .xh-grid-3, .xh-grid-4 { grid-template-columns: 1fr; }
  .xh-community-grid { grid-template-columns: 1fr 1fr; }
  .xh-footer-grid { grid-template-columns: 1fr; }
  .xh-section { padding: 40px 0; }
  .xh-section-header { margin-bottom: 32px; }
  .xh-section-header h2 { font-size: 1.6rem; }
  .xh-steps { flex-direction: column; align-items: center; }
  .xh-expert-card { max-width: 320px; margin: 0 auto; }
  .xh-hero-btns { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
  .xh-hero { min-height: 360px; }
  .xh-hero h1 { font-size: 1.6rem; }
  .xh-hero p { font-size: 0.9rem; }
  .xh-community-grid { grid-template-columns: 1fr; }
  .xh-qrcode-grid { flex-direction: column; align-items: center; }
  .xh-partners { gap: 12px; }
  .xh-partner-item { padding: 12px 20px; font-size: 0.9rem; }
}

/* --- Lazy Loading --- */
.xh-lazy { opacity: 0; transition: opacity 0.5s ease; }
.xh-lazy.loaded { opacity: 1; }

/* --- Print --- */
@media print {
  .xh-header, .xh-search-bar, .xh-footer, .xh-share { display: none; }
  .xh-section { padding: 20px 0; }
}