:root{
  --bg:#fff8f5;
  --panel:#ffffff;
  --ink:#2a2423;
  --muted:#6c6260;
  --brand:#e24e52;
  --brand-dark:#9d2531;
  --line:#f0deda;
  --soft:#fff0ed;
  --shadow:0 18px 45px rgba(108,55,48,.12);
  --radius:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;background:linear-gradient(180deg,var(--bg),#fff);color:var(--ink);line-height:1.7}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px,92vw);margin:0 auto}
.skip-link{position:absolute;left:-999px;top:0;background:#fff;padding:8px 14px;border:1px solid var(--line);z-index:100}
.skip-link:focus{left:16px;top:12px}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,248,245,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 0}
.logo-wrap{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--brand-dark)}
.logo-wrap img{width:158px;height:auto}
.nav-list{display:flex;gap:6px;align-items:center;flex-wrap:wrap;margin:0;padding:0;list-style:none}
.nav-list a{display:block;padding:10px 13px;border-radius:999px;color:#5a4b48;font-weight:650}
.nav-list a:hover,.nav-list a:focus{background:var(--soft);color:var(--brand-dark)}
.nav-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:14px;padding:8px 12px}
.search-strip{border-top:1px solid rgba(240,222,218,.7);padding:12px 0;background:rgba(255,255,255,.52)}
.search-box{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center}
.search-box label{position:absolute;left:-9999px}
.search-box input{width:100%;border:1px solid var(--line);border-radius:18px;padding:13px 16px;font-size:16px;background:#fff}
.btn{border:0;border-radius:18px;padding:12px 18px;background:var(--brand);color:white;font-weight:800;cursor:pointer;box-shadow:0 10px 22px rgba(226,78,82,.24)}
.btn.secondary{background:#fff;color:var(--brand-dark);border:1px solid var(--line);box-shadow:none}
.search-note{min-height:22px;margin:8px 0 0;color:var(--muted);font-size:14px}
.hero{padding:44px 0 26px}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:34px;align-items:center}
.eyebrow{display:inline-flex;gap:8px;align-items:center;background:#fff;border:1px solid var(--line);color:var(--brand-dark);padding:6px 12px;border-radius:999px;font-weight:700;font-size:14px}
h1{font-size:clamp(30px,5vw,56px);line-height:1.13;margin:18px 0 16px;letter-spacing:-.03em;color:#261f1f}
.lead{font-size:18px;color:#5a4f4d;margin:0 0 22px;max-width:760px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:26px 0 0}
.metric{background:#fff;border:1px solid var(--line);border-radius:20px;padding:15px;box-shadow:0 8px 28px rgba(130,80,72,.08)}
.metric strong{display:block;font-size:24px;color:var(--brand-dark)}
.metric span{font-size:13px;color:var(--muted)}
.video-card{position:relative;overflow:hidden;border-radius:28px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.video-card video,.video-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#f6ebe8}
.video-card__body{padding:18px 20px 20px}
.video-card__meta{display:flex;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin-bottom:8px}
.play-badge{position:absolute;inset:0;display:grid;place-items:center;pointer-events:none;opacity:.95;transition:.2s ease}
.play-badge span{display:grid;place-items:center;width:78px;height:78px;border-radius:50%;background:rgba(226,78,82,.9);color:#fff;font-weight:900;font-size:28px;box-shadow:0 14px 30px rgba(226,78,82,.3)}
.video-card:hover .play-badge{opacity:1;transform:scale(1.02)}
.section{padding:34px 0}
.section-head{display:flex;justify-content:space-between;gap:18px;align-items:end;margin-bottom:18px}
.section-title{margin:0;font-size:clamp(24px,3vw,36px);line-height:1.25;color:#2b2221}
.section-subtitle{margin:6px 0 0;color:var(--muted)}
.more-link{white-space:nowrap;color:var(--brand-dark);font-weight:800}
.grid{display:grid;gap:18px}
.grid.three{grid-template-columns:repeat(3,1fr)}
.grid.four{grid-template-columns:repeat(4,1fr)}
.grid.two{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 12px 32px rgba(108,55,48,.08)}
.card h3{margin:0 0 8px;font-size:21px;color:#352828}
.card p{margin:0;color:var(--muted)}
.card ul{margin:14px 0 0;padding-left:18px;color:#5b504e}
.heat{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.heat span,.tag{display:inline-flex;align-items:center;gap:5px;background:var(--soft);color:var(--brand-dark);font-weight:700;border-radius:999px;padding:5px 10px;font-size:13px}
.topic-card{overflow:hidden;padding:0}
.topic-card .card-pad{padding:20px}
.content-list{display:grid;gap:14px}
.list-item{display:grid;grid-template-columns:132px 1fr;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:22px;padding:12px;box-shadow:0 8px 26px rgba(108,55,48,.06)}
.list-item img{width:132px;aspect-ratio:16/10;object-fit:cover;border-radius:16px}
.list-item h3{margin:0 0 6px;font-size:19px}
.list-item p{margin:0;color:var(--muted)}
.list-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px;color:#7a6c69;font-size:13px}
.author-card{text-align:center}
.author-card img{width:92px;height:92px;border-radius:50%;object-fit:cover;margin:0 auto 12px;border:4px solid #fff0ed}
.author-card h3{margin-bottom:2px}
.author-card .role{color:var(--brand-dark);font-weight:800;margin-bottom:8px}
.comment{display:flex;gap:14px;align-items:flex-start}
.comment .avatar{flex:0 0 auto;width:42px;height:42px;border-radius:50%;background:var(--soft);display:grid;place-items:center;color:var(--brand-dark);font-weight:900}
.faq details{border:1px solid var(--line);background:#fff;border-radius:18px;padding:16px 18px;box-shadow:0 8px 24px rgba(108,55,48,.05)}
.faq details+details{margin-top:12px}
.faq summary{cursor:pointer;font-weight:800;color:#352828}
.domain-pill{display:inline-flex;background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 12px;color:var(--brand-dark);font-weight:800}
.breadcrumb{padding:18px 0 0;color:var(--muted);font-size:14px}
.page-hero{padding:34px 0 16px}
.notice{border-left:4px solid var(--brand);background:#fff;border-radius:18px;padding:16px 18px;color:#514745}
.form-shell{display:grid;gap:12px}
.form-shell input,.form-shell textarea,.form-shell select{width:100%;border:1px solid var(--line);border-radius:16px;padding:12px 14px;font:inherit;background:#fff}
.form-shell textarea{min-height:130px}
.site-footer{margin-top:42px;background:#281d1d;color:#fff7f5;padding:38px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:26px;align-items:start}
.site-footer img{width:150px;margin-bottom:12px}
.site-footer a{color:#fff0ed}
.site-footer p{color:#ead8d5}
.footer-links{display:grid;gap:8px}
.footer-bottom{margin-top:24px;border-top:1px solid rgba(255,255,255,.12);padding-top:16px;color:#ead8d5;font-size:14px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.share-row{display:flex;gap:10px;flex-wrap:wrap}
.toast{position:fixed;right:18px;bottom:18px;background:#281d1d;color:#fff;border-radius:16px;padding:12px 16px;box-shadow:var(--shadow);transform:translateY(20px);opacity:0;transition:.2s ease;z-index:40}
.toast.show{transform:translateY(0);opacity:1}
.lazy-note{font-size:13px;color:var(--muted)}
@media (max-width:900px){
  .hero-grid,.grid.three,.grid.four,.grid.two,.footer-grid{grid-template-columns:1fr}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .nav-toggle{display:block}.nav-list{display:none;width:100%}.nav-list.open{display:flex}.header-inner{flex-wrap:wrap}.section-head{align-items:flex-start;flex-direction:column}.list-item{grid-template-columns:1fr}.list-item img{width:100%}
}
@media (max-width:560px){.metrics{grid-template-columns:1fr}.search-box{grid-template-columns:1fr}.hero{padding-top:24px}.card{padding:18px}}