:root {
  --bg: #fffaf7;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --line: #ece6e1;
  --primary: #ea5b7a;
  --primary-dark: #c83d5c;
  --accent: #fff1f3;
  --shadow: 0 12px 36px rgba(29, 26, 22, 0.08);
  --radius: 18px;
  --container: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #fffaf7 0%, #fff 25%, #fff7f9 100%);
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(var(--container), calc(100% - 32px)); margin: 0 auto; }
.topbar { background: rgba(255,255,255,0.9); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 30; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; min-height: 74px; }
.logo { display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: 22px; color: var(--primary-dark); }
.logo-badge { width: 44px; height: 44px; border-radius: 14px; background: linear-gradient(135deg, #ff93a8, #ea5b7a); box-shadow: var(--shadow); position: relative; }
.logo-badge::after { content: "糖"; color: #fff; position: absolute; inset: 0; display: grid; place-items: center; font-weight: 700; }
.nav { display: flex; flex-wrap: wrap; gap: 10px; }
.nav a { padding: 10px 14px; border-radius: 999px; color: var(--muted); font-size: 14px; }
.nav a:hover, .nav a.active { background: var(--accent); color: var(--primary-dark); }
.search-wrap { padding: 12px 0 18px; }
.search-box { display: flex; align-items: center; gap: 10px; background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 12px 16px; box-shadow: 0 10px 24px rgba(31,41,55,.04); }
.search-box input { border: none; outline: none; flex: 1; font-size: 15px; background: transparent; }
.search-box button, .btn { border: none; background: linear-gradient(135deg, #ef6a86, #d9486a); color: #fff; border-radius: 999px; padding: 11px 18px; cursor: pointer; font-size: 14px; }
.hero { padding: 28px 0 18px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 24px; align-items: stretch; }
.hero-copy, .hero-side, .card { background: rgba(255,255,255,.92); border: 1px solid var(--line); border-radius: 26px; box-shadow: var(--shadow); }
.hero-copy { padding: 34px; }
.eyebrow { display: inline-flex; padding: 8px 12px; border-radius: 999px; background: var(--accent); color: var(--primary-dark); font-size: 13px; font-weight: 600; }
.hero h1 { margin: 16px 0 10px; font-size: clamp(30px, 4vw, 44px); line-height: 1.18; }
.hero p { margin: 0 0 18px; color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 20px; }
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.metric { padding: 14px 16px; background: #fff7f8; border-radius: 18px; }
.metric strong { display: block; font-size: 18px; color: var(--primary-dark); }
.hero-side { overflow: hidden; }
.hero-side img { width: 100%; height: 100%; object-fit: cover; min-height: 100%; }
.meta-line, .page-meta { display: flex; flex-wrap: wrap; gap: 14px; color: var(--muted); font-size: 14px; }
.section { padding: 18px 0; }
.section-head { display: flex; justify-content: space-between; gap: 18px; align-items: end; margin-bottom: 18px; }
.section-head h2 { margin: 0; font-size: 28px; }
.section-head p { margin: 8px 0 0; color: var(--muted); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.card { padding: 20px; }
.card h3 { margin: 0 0 10px; font-size: 20px; }
.muted { color: var(--muted); }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0; }
.tag { display: inline-flex; align-items: center; padding: 6px 10px; border-radius: 999px; background: #f5f7fb; color: #536075; font-size: 13px; }
.item-list { display: grid; gap: 12px; }
.item { border: 1px solid var(--line); border-radius: 18px; padding: 14px 16px; background: linear-gradient(180deg,#fff,#fff9fa); }
.item strong { display: block; margin-bottom: 6px; }
.item small { color: var(--muted); display: block; margin-bottom: 5px; }
.video-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.video-card { position: relative; overflow: hidden; border-radius: 22px; border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow); }
.video-thumb { position: relative; aspect-ratio: 16/10; overflow: hidden; }
.video-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.video-thumb::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,0) 35%, rgba(0,0,0,.42)); }
.play-btn { position: absolute; left: 50%; top: 50%; width: 76px; height: 76px; border-radius: 50%; background: rgba(255,255,255,.92); transform: translate(-50%, -50%) scale(.88); display: grid; place-items: center; box-shadow: 0 10px 28px rgba(0,0,0,.15); opacity: 0; transition: all .3s ease; }
.play-btn::before { content: ""; border-left: 20px solid var(--primary-dark); border-top: 12px solid transparent; border-bottom: 12px solid transparent; margin-left: 5px; }
.video-card:hover .play-btn { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.video-card:hover .video-thumb img { transform: scale(1.04); }
.video-content { padding: 16px; }
.video-meta { display: flex; flex-wrap: wrap; gap: 10px; font-size: 13px; color: var(--muted); }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.action { padding: 8px 12px; border-radius: 999px; background: #fff4f6; color: var(--primary-dark); font-size: 13px; }
.author-card { display: flex; gap: 14px; align-items: flex-start; }
.avatar { width: 62px; height: 62px; border-radius: 18px; background: linear-gradient(135deg, #ffd8e0, #ffb6c3); display: grid; place-items: center; font-weight: 700; color: var(--primary-dark); flex: none; }
.comment { padding: 16px 18px; border-radius: 18px; background: #fff; border: 1px solid var(--line); }
.comment strong { display:block; }
.faq-item { border-top: 1px solid var(--line); padding: 16px 0; }
.faq-item:first-child { border-top: none; padding-top: 0; }
.page-hero { padding: 26px 0 8px; }
.breadcrumbs { color: var(--muted); font-size: 14px; margin-bottom: 10px; }
.footer { margin-top: 30px; padding: 34px 0; background: #fff; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 20px; }
.footer p, .footer li { color: var(--muted); }
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.notice { margin-top: 12px; padding: 12px 14px; border-radius: 16px; background: #fff4f7; color: var(--primary-dark); font-size: 14px; }
.status-bar { display:flex; flex-wrap: wrap; gap: 12px; margin: 16px 0 0; font-size: 14px; color: var(--muted); }
.cover-note { font-size: 13px; color: var(--muted); margin-top: 8px; }
.sr-only { position: absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); border:0; }
@media (max-width: 960px) {
  .hero-grid, .grid-3, .grid-2, .video-grid, .footer-grid { grid-template-columns: 1fr; }
  .metrics { grid-template-columns: 1fr; }
  .topbar-inner { flex-direction: column; justify-content: center; padding: 12px 0; }
}