/* =============================================
   蘑菇视频 - 全站样式表
   现代极简高端风格
   ============================================= */

/* ---- 基础重置 ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
  color: #1a1a1a;
  background: #fff;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color 0.3s; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---- CSS变量 ---- */
:root {
  --primary: #8B5E3C;
  --primary-light: #C4956A;
  --primary-dark: #5C3D1E;
  --accent: #D4A574;
  --bg-cream: #FAF8F5;
  --bg-warm: #F5F0E8;
  --text-dark: #1a1a1a;
  --text-mid: #555;
  --text-light: #888;
  --border: #E8E0D5;
  --white: #fff;
  --shadow-sm: 0 2px 12px rgba(139,94,60,0.08);
  --shadow-md: 0 8px 32px rgba(139,94,60,0.12);
  --shadow-lg: 0 20px 60px rgba(139,94,60,0.15);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.35s cubic-bezier(0.4,0,0.2,1);
  --max-width: 1200px;
}

/* ---- 顶部公告条 ---- */
.top-bar {
  background: var(--primary);
  color: #fff;
  text-align: center;
  padding: 8px 20px;
  font-size: 13px;
  letter-spacing: 0.5px;
}
.top-bar a { color: var(--accent); font-weight: 600; }

/* ---- 导航 ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow-md); }
.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  gap: 40px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.5px;
  flex-shrink: 0;
}
.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.nav-links a {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-mid);
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--primary);
  background: var(--bg-warm);
}
.nav-search {
  position: relative;
  flex: 0 0 220px;
}
.nav-search input {
  width: 100%;
  padding: 8px 36px 8px 14px;
  border: 1.5px solid var(--border);
  border-radius: 24px;
  font-size: 13px;
  color: var(--text-dark);
  background: var(--bg-cream);
  outline: none;
  transition: border-color var(--transition);
  font-family: inherit;
}
.nav-search input:focus { border-color: var(--primary-light); }
.nav-search input::placeholder { color: var(--text-light); }
.nav-search .search-icon {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
  pointer-events: none;
  font-size: 14px;
}
.nav-cta {
  background: var(--primary);
  color: #fff !important;
  padding: 9px 20px !important;
  border-radius: 24px !important;
  font-weight: 600 !important;
  font-size: 14px !important;
  transition: background var(--transition), transform var(--transition) !important;
}
.nav-cta:hover { background: var(--primary-dark) !important; transform: translateY(-1px); }
.nav-mobile-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
}
.nav-mobile-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: all var(--transition);
}
.mobile-menu {
  display: none;
  position: fixed;
  top: 68px;
  left: 0;
  right: 0;
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
  z-index: 999;
  box-shadow: var(--shadow-md);
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
  color: var(--text-mid);
}
.mobile-menu a:last-child { border-bottom: none; }

/* ---- 搜索结果提示 ---- */
.search-toast {
  display: none;
  position: fixed;
  top: 80px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  padding: 10px 24px;
  border-radius: 24px;
  font-size: 14px;
  z-index: 9999;
  box-shadow: var(--shadow-md);
  animation: fadeInDown 0.3s ease;
}
@keyframes fadeInDown {
  from { opacity: 0; transform: translateX(-50%) translateY(-10px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ---- Hero Banner ---- */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--bg-cream);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/banner_hero.jpg');
  background-size: cover;
  background-position: center;
  filter: brightness(0.55);
  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(92,61,30,0.7) 0%, rgba(139,94,60,0.4) 60%, transparent 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 24px;
  color: #fff;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  backdrop-filter: blur(8px);
  padding: 6px 16px;
  border-radius: 24px;
  font-size: 13px;
  margin-bottom: 28px;
  letter-spacing: 0.5px;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -1px;
}
.hero h1 em {
  font-style: normal;
  color: var(--accent);
}
.hero-desc {
  font-size: clamp(1rem, 2vw, 1.2rem);
  opacity: 0.9;
  max-width: 560px;
  margin-bottom: 40px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: var(--primary-dark);
  padding: 14px 32px;
  border-radius: 32px;
  font-size: 16px;
  font-weight: 700;
  transition: all var(--transition);
  box-shadow: 0 4px 20px rgba(212,165,116,0.4);
}
.btn-primary:hover { background: #fff; transform: translateY(-2px); box-shadow: 0 8px 30px rgba(212,165,116,0.5); }
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 2px solid rgba(255,255,255,0.6);
  color: #fff;
  padding: 13px 28px;
  border-radius: 32px;
  font-size: 15px;
  font-weight: 600;
  transition: all var(--transition);
}
.btn-outline:hover { background: rgba(255,255,255,0.15); border-color: #fff; }
.hero-stats {
  position: absolute;
  bottom: 48px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 48px;
  z-index: 2;
  color: #fff;
}
.hero-stat { text-align: center; }
.hero-stat strong { display: block; font-size: 2rem; font-weight: 800; color: var(--accent); }
.hero-stat span { font-size: 13px; opacity: 0.8; }

/* ---- 通用区块 ---- */
.section {
  padding: 96px 24px;
}
.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}
.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--bg-warm);
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-dark);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}
.section-desc {
  font-size: 1.05rem;
  color: var(--text-mid);
  max-width: 600px;
  line-height: 1.8;
}
.section-header { margin-bottom: 56px; }
.section-header.center { text-align: center; }
.section-header.center .section-desc { margin: 0 auto; }
.section-bg { background: var(--bg-cream); }
.section-bg2 { background: var(--bg-warm); }

/* ---- 品牌介绍 ---- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.about-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/3;
}
.about-img img { width: 100%; height: 100%; object-fit: cover; }
.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
}
.tag {
  padding: 6px 16px;
  background: var(--bg-warm);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 13px;
  color: var(--primary);
  font-weight: 500;
}

/* ---- 功能卡片 ---- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transition: transform var(--transition);
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.feature-card:hover::before { transform: scaleX(1); }
.feature-icon {
  width: 56px;
  height: 56px;
  background: var(--bg-warm);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 20px;
  transition: background var(--transition);
}
.feature-card:hover .feature-icon { background: var(--primary); }
.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-dark);
}
.feature-card p {
  font-size: 0.9rem;
  color: var(--text-mid);
  line-height: 1.7;
}
.feature-img {
  margin-top: 20px;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 16/9;
}
.feature-img img { width: 100%; height: 100%; object-fit: cover; }

/* ---- 视频卡片区 ---- */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.video-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  cursor: pointer;
}
.video-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #f0ebe3;
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}
.video-card:hover .video-thumb img { transform: scale(1.06); }
.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 .play-btn { background: rgba(0,0,0,0.35); }
.play-icon {
  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(0.7);
  transition: all var(--transition);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.video-card:hover .play-icon { opacity: 1; transform: scale(1); }
.play-icon svg { width: 20px; height: 20px; fill: var(--primary); margin-left: 3px; }
.video-duration {
  position: absolute;
  bottom: 8px;
  right: 10px;
  background: rgba(0,0,0,0.7);
  color: #fff;
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 4px;
}
.video-info {
  padding: 16px;
}
.video-info h4 {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 8px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-meta {
  display: flex;
  gap: 14px;
  font-size: 12px;
  color: var(--text-light);
}
.video-meta span { display: flex; align-items: center; gap: 4px; }

/* ---- 数据展示 ---- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  background: var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.stat-item {
  background: #fff;
  padding: 48px 32px;
  text-align: center;
  transition: background var(--transition);
}
.stat-item:hover { background: var(--bg-warm); }
.stat-num {
  font-size: 3rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: -2px;
}
.stat-num sup { font-size: 1.5rem; vertical-align: super; }
.stat-label {
  font-size: 0.9rem;
  color: var(--text-mid);
  font-weight: 500;
}

/* ---- 用户评价 ---- */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.review-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: all var(--transition);
}
.review-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.review-stars { color: #F5A623; font-size: 14px; margin-bottom: 12px; letter-spacing: 2px; }
.review-text {
  font-size: 0.88rem;
  color: var(--text-mid);
  line-height: 1.7;
  margin-bottom: 16px;
}
.review-user {
  display: flex;
  align-items: center;
  gap: 10px;
}
.review-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-warm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  flex-shrink: 0;
}
.review-name { font-size: 0.85rem; font-weight: 600; color: var(--text-dark); }
.review-date { font-size: 11px; color: var(--text-light); }

/* ---- FAQ ---- */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-question {
  width: 100%;
  text-align: left;
  padding: 22px 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: color var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition);
  font-size: 16px;
  color: var(--text-light);
}
.faq-item.open .faq-icon { background: var(--primary); border-color: var(--primary); color: #fff; transform: rotate(45deg); }
.faq-answer {
  display: none;
  padding-bottom: 22px;
  font-size: 0.93rem;
  color: var(--text-mid);
  line-height: 1.8;
}
.faq-item.open .faq-answer { display: block; }

/* ---- 联系我们 ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 64px;
  align-items: start;
}
.contact-info h3 { font-size: 1.4rem; font-weight: 700; margin-bottom: 16px; }
.contact-info p { color: var(--text-mid); line-height: 1.8; margin-bottom: 32px; }
.contact-items { display: flex; flex-direction: column; gap: 20px; }
.contact-item { display: flex; align-items: flex-start; gap: 14px; }
.contact-item-icon {
  width: 44px;
  height: 44px;
  background: var(--bg-warm);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.contact-item-text strong { display: block; font-size: 0.88rem; color: var(--text-light); margin-bottom: 2px; }
.contact-item-text span { font-size: 0.95rem; color: var(--text-dark); font-weight: 500; }
.contact-form { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 40px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--text-mid); margin-bottom: 6px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
  color: var(--text-dark);
  background: var(--bg-cream);
  outline: none;
  transition: border-color var(--transition);
  font-family: inherit;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: var(--primary-light); background: #fff; }
.form-group textarea { resize: vertical; min-height: 100px; }
.btn-submit {
  width: 100%;
  padding: 14px;
  background: var(--primary);
  color: #fff;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 700;
  transition: all var(--transition);
  letter-spacing: 0.5px;
}
.btn-submit:hover { background: var(--primary-dark); transform: translateY(-1px); }

/* ---- 社交分享 ---- */
.social-bar {
  background: var(--primary-dark);
  padding: 48px 24px;
  text-align: center;
  color: #fff;
}
.social-bar h3 { font-size: 1.3rem; margin-bottom: 24px; opacity: 0.9; }
.social-links { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.social-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border: 1.5px solid rgba(255,255,255,0.3);
  border-radius: 32px;
  font-size: 14px;
  font-weight: 500;
  color: #fff;
  transition: all var(--transition);
}
.social-link:hover { background: rgba(255,255,255,0.15); border-color: rgba(255,255,255,0.6); }

/* ---- 页脚 ---- */
.site-footer {
  background: #111;
  color: rgba(255,255,255,0.7);
  padding: 64px 24px 32px;
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .logo { color: #fff; margin-bottom: 16px; }
.footer-brand p { font-size: 0.88rem; line-height: 1.8; max-width: 280px; }
.footer-col h4 { color: #fff; font-size: 0.95rem; font-weight: 700; margin-bottom: 20px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { font-size: 0.88rem; transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--accent); }
.footer-bottom {
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
}
.footer-bottom a { color: var(--accent); }
.footer-bottom a:hover { text-decoration: underline; }

/* ---- 内页通用 ---- */
.page-hero {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #fff;
  padding: 80px 24px;
  text-align: center;
}
.page-hero h1 { font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 800; margin-bottom: 12px; }
.page-hero p { font-size: 1.05rem; opacity: 0.85; max-width: 560px; margin: 0 auto; }
.breadcrumb {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 14px 24px;
  font-size: 13px;
  color: var(--text-light);
  display: flex;
  gap: 8px;
  align-items: center;
}
.breadcrumb a { color: var(--primary); }
.breadcrumb span { color: var(--text-light); }

/* ---- 下载按钮 ---- */
.download-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.dl-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--primary);
  color: #fff;
  padding: 14px 28px;
  border-radius: 14px;
  transition: all var(--transition);
  border: 2px solid var(--primary);
}
.dl-btn:hover { background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.dl-btn.outline { background: transparent; color: var(--primary); }
.dl-btn.outline:hover { background: var(--primary); color: #fff; }
.dl-btn-icon { font-size: 28px; }
.dl-btn-text strong { display: block; font-size: 16px; font-weight: 700; }
.dl-btn-text span { font-size: 12px; opacity: 0.8; }

/* ---- 动画 ---- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* ---- 响应式 ---- */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-links, .nav-search { display: none; }
  .nav-mobile-btn { display: flex; }
  .nav-cta { display: none !important; }
  .hero-stats { display: none; }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .features-grid { grid-template-columns: 1fr; }
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .section { padding: 64px 20px; }
}
@media (max-width: 480px) {
  .video-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.9rem; }
  .hero-actions { flex-direction: column; }
}