:root {
  --bg: #fffaf7;
  --surface: #ffffff;
  --surface-2: #fff2ed;
  --ink: #242331;
  --muted: #6f6b7b;
  --line: #f0ded8;
  --brand: #ff8f7a;
  --brand-2: #6d8cff;
  --brand-3: #35b893;
  --shadow: 0 18px 55px rgba(88, 65, 55, .12);
  --radius: 28px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #fff7f4 0%, #fffaf7 38%, #f8fbff 100%);
  line-height: 1.75;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
.site-header, .site-footer, main { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.site-header { padding: 20px 0 10px; }
.topbar, .nav, .search-panel, .breadcrumb, .section, .hero, .footer-grid, .card, .video-card, .quote-card, .faq-item {
  border: 1px solid rgba(240, 222, 216, .85);
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(14px);
  box-shadow: 0 10px 36px rgba(88, 65, 55, .06);
}
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 14px 18px; border-radius: 26px; }
.brand img { border-radius: 16px; }
.domain-chip { margin: 0; color: var(--muted); font-size: 14px; }
.nav { display: flex; flex-wrap: wrap; gap: 10px; padding: 12px; margin-top: 12px; border-radius: 24px; }
.nav a { padding: 8px 13px; border-radius: 999px; color: #3b3748; font-weight: 700; font-size: 14px; }
.nav a:hover, .nav a:focus { background: var(--surface-2); color: #db604b; }
.search-panel { margin-top: 12px; padding: 14px; border-radius: 24px; }
.search-panel label { display: block; font-weight: 800; margin-bottom: 8px; }
.search-line { display: flex; gap: 10px; }
.search-line input { flex: 1; border: 1px solid var(--line); border-radius: 999px; padding: 12px 16px; font-size: 15px; background: #fff; }
.search-line button, .btn { border: 0; border-radius: 999px; padding: 12px 18px; background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: white; font-weight: 800; cursor: pointer; box-shadow: 0 10px 22px rgba(255,143,122,.25); }
.search-tip { margin: 8px 0 0; color: var(--muted); font-size: 14px; }
.breadcrumb { margin-top: 12px; padding: 10px 14px; border-radius: 18px; display: flex; gap: 8px; flex-wrap: wrap; color: var(--muted); font-size: 14px; }
.hero { display: grid; grid-template-columns: 1.05fr .95fr; gap: 34px; align-items: center; padding: 46px; border-radius: 38px; margin: 22px 0; overflow: hidden; position: relative; }
.hero:before { content: ""; position: absolute; inset: -80px -120px auto auto; width: 360px; height: 360px; border-radius: 50%; background: rgba(255,143,122,.16); }
.kicker { display: inline-flex; gap: 8px; align-items: center; padding: 6px 12px; border-radius: 999px; background: #fff2ed; color: #dc604a; font-weight: 800; font-size: 14px; }
h1, h2, h3 { line-height: 1.22; margin: 0 0 14px; }
h1 { font-size: clamp(34px, 6vw, 64px); letter-spacing: -1.8px; }
h2 { font-size: clamp(25px, 3.5vw, 40px); }
h3 { font-size: 21px; }
p { margin: 0 0 14px; }
.lead { color: var(--muted); font-size: 18px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 26px 0; }
.btn.secondary { background: white; color: var(--ink); border: 1px solid var(--line); box-shadow: none; }
.stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-top: 20px; }
.stat { padding: 14px; border-radius: 18px; background: #fff8f5; border: 1px solid #f1e0db; }
.stat strong { display: block; font-size: 22px; color: #db604b; }
.hero-media figure, .media-figure { margin: 0; }
.hero-media img, .media-figure img { border-radius: 32px; box-shadow: var(--shadow); }
.image-domain-note { color: var(--muted); font-size: 13px; margin-top: 8px; }
.section { padding: 36px; border-radius: var(--radius); margin: 22px 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.section-head p { color: var(--muted); max-width: 670px; }
.grid { display: grid; gap: 18px; }
.grid.three { grid-template-columns: repeat(3, 1fr); }
.grid.two { grid-template-columns: repeat(2, 1fr); }
.card, .video-card, .quote-card, .faq-item { border-radius: 24px; padding: 22px; }
.card { background: #fff; }
.card .tag, .tag { display: inline-block; padding: 4px 10px; border-radius: 999px; background: #eef3ff; color: #526cda; font-weight: 800; font-size: 13px; margin-bottom: 12px; }
.video-card { padding: 0; overflow: hidden; position: relative; background: white; }
.video-thumb { position: relative; overflow: hidden; }
.video-thumb img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; transition: transform .35s ease; }
.video-thumb video { display: none; }
.play-button { position: absolute; inset: 50% auto auto 50%; transform: translate(-50%, -50%) scale(.9); width: 74px; height: 74px; border-radius: 50%; display: grid; place-items: center; color: white; background: rgba(36,35,49,.74); opacity: 0; transition: opacity .25s ease, transform .25s ease; font-weight: 900; }
.video-card:hover .video-thumb img { transform: scale(1.04); }
.video-card:hover .play-button { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.video-body { padding: 20px; }
.video-meta { display: flex; flex-wrap: wrap; gap: 10px; color: var(--muted); font-size: 14px; }
.scenario { display: flex; gap: 16px; align-items: flex-start; }
.icon { width: 44px; height: 44px; border-radius: 16px; flex: 0 0 auto; display: grid; place-items: center; background: #fff0ea; color: #db604b; font-weight: 900; }
.quote-card { background: linear-gradient(180deg, #ffffff, #fff8f5); }
.quote-card blockquote { margin: 0; color: #4a4657; }
.quote-card cite { display: block; margin-top: 14px; color: var(--muted); font-style: normal; font-size: 14px; }
.steps { counter-reset: step; display: grid; gap: 14px; }
.step { position: relative; padding: 18px 18px 18px 68px; border-radius: 20px; background: #fff; border: 1px solid var(--line); }
.step:before { counter-increment: step; content: counter(step); position: absolute; left: 18px; top: 18px; width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: var(--ink); color: white; font-weight: 900; }
.faq-list { display: grid; gap: 14px; }
.faq-item summary { cursor: pointer; font-weight: 900; color: #332f41; }
.faq-item p { margin-top: 12px; color: var(--muted); }
.notice { padding: 16px 18px; border-radius: 18px; background: #f4fff9; border: 1px solid #cdeedf; color: #316b56; }
.data-links { display: flex; flex-wrap: wrap; gap: 10px; }
.data-links a { padding: 8px 12px; border-radius: 999px; background: #fff2ed; color: #c95743; font-weight: 800; }
.site-footer { margin-top: 32px; padding: 28px 0 34px; }
.footer-grid { display: grid; grid-template-columns: 1.25fr .8fr 1fr; gap: 24px; padding: 26px; border-radius: 30px; }
.footer-grid h2 { font-size: 18px; }
.footer-grid ul { padding-left: 18px; margin: 0; }
.footer-grid p, .copyright { color: var(--muted); }
.copyright { text-align: center; margin-top: 16px; font-size: 14px; }
.table { width: 100%; border-collapse: collapse; overflow: hidden; border-radius: 20px; }
.table th, .table td { border-bottom: 1px solid var(--line); padding: 14px; text-align: left; vertical-align: top; }
.table th { background: #fff4ef; }
@media (max-width: 920px) {
  .hero, .grid.two, .grid.three, .footer-grid { grid-template-columns: 1fr; }
  .section-head { display: block; }
  .stats { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .site-header, .site-footer, main { width: min(100% - 20px, 1180px); }
  .hero, .section { padding: 24px; border-radius: 26px; }
  .topbar { align-items: flex-start; flex-direction: column; }
  .search-line { flex-direction: column; }
  h1 { letter-spacing: -1px; }
}