:root{
  --bg:#fffaf5;
  --panel:#ffffff;
  --ink:#1f2530;
  --muted:#626b7a;
  --line:#ece3d8;
  --brand:#ff6b6b;
  --brand-dark:#c94c4c;
  --soft:#fff0e9;
  --green:#ecf8f2;
  --blue:#eef5ff;
  --shadow:0 20px 60px rgba(31,37,48,.08);
}
*{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}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,250,245,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.topbar{font-size:13px;color:var(--muted);text-align:center;padding:8px 16px;background:#fff7ef}.navbar{max-width:1180px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 20px}.logo,.footer-logo{display:flex;align-items:center;gap:10px;font-weight:800}.logo-mark{width:46px;height:46px;border-radius:16px;background:linear-gradient(135deg,#ff6b6b,#ffd166);color:#fff;display:grid;place-items:center;font-size:20px;box-shadow:0 12px 24px rgba(255,107,107,.24)}.logo-text{font-size:17px}.nav-links{display:flex;gap:4px;list-style:none;padding:0;margin:0;align-items:center;flex-wrap:wrap}.nav-links a{display:block;padding:9px 11px;border-radius:999px;font-size:14px;color:#3d4655}.nav-links a:hover,.nav-links a.is-active{background:#fff;color:var(--brand-dark);box-shadow:0 8px 18px rgba(31,37,48,.07)}.nav-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 14px}
.search-wrap{max-width:1180px;margin:0 auto 14px;padding:0 20px;display:grid;grid-template-columns:1fr auto;gap:10px}.search-wrap input{border:1px solid var(--line);border-radius:16px;padding:13px 16px;font-size:15px;background:#fff}.search-wrap button,.btn{border:0;border-radius:16px;padding:13px 18px;background:var(--brand);color:#fff;font-weight:800;cursor:pointer}.search-wrap p{grid-column:1/-1;margin:0;color:var(--muted);font-size:13px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
main{max-width:1180px;margin:auto;padding:34px 20px}.hero{display:grid;grid-template-columns:1.02fr .98fr;gap:34px;align-items:center;padding:36px 0 28px}.eyebrow{display:inline-flex;gap:8px;align-items:center;border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 12px;color:var(--brand-dark);font-weight:700;font-size:14px}.hero h1,.page-hero h1{font-size:clamp(34px,6vw,66px);line-height:1.05;margin:18px 0 18px;letter-spacing:-1px}.lead{font-size:18px;color:var(--muted);max-width:720px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0}.btn.secondary{background:#fff;color:var(--brand-dark);border:1px solid var(--line)}.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}.stat{background:#fff;border:1px solid var(--line);border-radius:20px;padding:16px;box-shadow:0 12px 30px rgba(31,37,48,.04)}.stat strong{display:block;font-size:24px}.hero-media{position:relative}.hero-media figure,.image-card{margin:0;background:#fff;border:1px solid var(--line);border-radius:32px;padding:12px;box-shadow:var(--shadow);overflow:hidden}.hero-media img,.image-card img{border-radius:24px}.hero-media figcaption,.image-card figcaption{font-size:13px;color:var(--muted);padding:10px 6px 2px}.section{padding:36px 0}.section-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-end;margin-bottom:18px}.section h2,.section h1,.page-hero h2{font-size:clamp(25px,4vw,42px);line-height:1.18;margin:0 0 10px}.section-head p,.muted{color:var(--muted);margin:0}.grid{display:grid;gap:18px}.grid.two{grid-template-columns:repeat(2,1fr)}.grid.three{grid-template-columns:repeat(3,1fr)}.grid.four{grid-template-columns:repeat(4,1fr)}.card{background:var(--panel);border:1px solid var(--line);border-radius:28px;padding:22px;box-shadow:0 14px 40px rgba(31,37,48,.05)}.card h3{margin:0 0 10px;font-size:21px}.pill-list{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.pill{display:inline-flex;border-radius:999px;background:var(--soft);color:var(--brand-dark);padding:6px 10px;font-size:13px;font-weight:700}.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.video-card{background:#fff;border:1px solid var(--line);border-radius:30px;overflow:hidden;box-shadow:0 16px 42px rgba(31,37,48,.07)}.video-thumb{position:relative;aspect-ratio:16/10;background:#f6eee5;overflow:hidden}.video-thumb img,.video-thumb video{width:100%;height:100%;object-fit:cover}.play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(.92);width:70px;height:70px;border-radius:50%;border:0;background:rgba(255,255,255,.88);box-shadow:0 14px 34px rgba(31,37,48,.22);opacity:0;transition:.2s}.play:before{content:"";display:block;margin:22px 0 0 28px;border-left:20px solid var(--brand);border-top:13px solid transparent;border-bottom:13px solid transparent}.video-card:hover .play,.video-card.is-playing .play{opacity:1;transform:translate(-50%,-50%) scale(1)}.video-body{padding:18px}.video-body h3{font-size:19px;margin:0 0 8px}.video-body p{color:var(--muted);margin:0}.meta{display:flex;gap:12px;flex-wrap:wrap;margin-top:14px;color:#7d8592;font-size:13px}.product-card img{border-radius:22px;margin-bottom:16px}.price{font-weight:900;color:var(--brand-dark);font-size:20px}.quote{font-size:16px}.quote:before{content:"“";font-size:42px;line-height:0;color:var(--brand);vertical-align:-16px;margin-right:2px}.faq{display:grid;gap:12px}.faq details{background:#fff;border:1px solid var(--line);border-radius:22px;padding:16px 18px}.faq summary{cursor:pointer;font-weight:800}.timeline{display:grid;gap:14px}.timeline article{border-left:4px solid var(--brand);padding:12px 18px;background:#fff;border-radius:0 18px 18px 0;border-top:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.breadcrumb{font-size:14px;color:var(--muted);margin-bottom:14px}.page-hero{padding:34px;border-radius:34px;background:linear-gradient(135deg,#fff,#fff2ea);border:1px solid var(--line);box-shadow:var(--shadow);margin-bottom:28px}.table-like{display:grid;gap:10px}.table-like div{display:grid;grid-template-columns:130px 1fr;gap:12px;padding:14px;border-radius:16px;background:#fff;border:1px solid var(--line)}.site-footer{background:#1f2530;color:#f8f2ea;margin-top:40px}.footer-grid{max-width:1180px;margin:auto;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:24px;padding:42px 20px}.footer-grid h2{font-size:18px}.footer-grid p,.footer-grid li{color:#cfd5df}.footer-grid ul{list-style:none;margin:0;padding:0}.copyright{border-top:1px solid rgba(255,255,255,.12);padding:16px 20px;text-align:center;color:#cfd5df;font-size:14px}.share-box{display:flex;gap:10px;flex-wrap:wrap}.share-box button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:10px 14px;cursor:pointer}.alert{background:var(--blue);border:1px solid #dce9ff;padding:16px;border-radius:20px;color:#35506f}.feature-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.mini{background:#fff;border:1px solid var(--line);border-radius:22px;padding:16px}.mini strong{display:block;font-size:19px}.code-note{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px;overflow:auto}.tagline-list li{margin-bottom:10px}
@media (max-width: 900px){.hero,.grid.two,.grid.three,.grid.four,.video-grid,.footer-grid,.feature-strip{grid-template-columns:1fr}.section-head{display:block}.hero-stats{grid-template-columns:1fr}.nav-toggle{display:inline-block}.nav-links{display:none;position:absolute;left:20px;right:20px;top:92px;background:#fff;border:1px solid var(--line);border-radius:24px;padding:12px;box-shadow:var(--shadow)}.nav-links.is-open{display:grid}.search-wrap{grid-template-columns:1fr}.table-like div{grid-template-columns:1fr}.hero{padding-top:18px}}