:root{
  --bg:#f8f6f1;
  --surface:#ffffff;
  --surface-soft:#f1eee7;
  --ink:#181716;
  --muted:#6d6861;
  --line:rgba(24,23,22,.12);
  --gold:#a9814f;
  --gold-soft:rgba(169,129,79,.14);
  --radius-lg:34px;
  --radius-md:22px;
  --shadow:0 24px 80px rgba(35,31,24,.08);
}
*{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;background:var(--bg);color:var(--ink);line-height:1.75;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
img,video{max-width:100%;display:block}
button,input,textarea{font:inherit}
.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}
.site-header{position:sticky;top:0;z-index:20;background:rgba(248,246,241,.86);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.nav-wrap{max-width:1180px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:18px 22px;gap:20px}
.brand-logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.03em}
.logo-mark{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--ink);color:#fff;font-size:13px;letter-spacing:.12em}
.nav-links{display:flex;align-items:center;gap:22px;font-size:14px;color:var(--muted)}
.nav-links a{position:relative;white-space:nowrap}.nav-links a::after{content:"";position:absolute;left:0;bottom:-5px;width:0;height:1px;background:var(--ink);transition:width .25s ease}.nav-links a:hover::after{width:100%}
.menu-toggle{display:none;border:1px solid var(--line);background:transparent;border-radius:999px;padding:8px 14px;color:var(--ink)}
.search-row{max-width:1180px;margin:0 auto 18px;padding:0 22px;display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center}.search-row input{width:100%;border:1px solid var(--line);background:rgba(255,255,255,.74);border-radius:999px;padding:14px 18px;outline:none}.search-row input:focus{border-color:var(--gold);box-shadow:0 0 0 4px var(--gold-soft)}.search-row button{border:0;border-radius:999px;padding:14px 24px;background:var(--ink);color:#fff;cursor:pointer}.search-hint{grid-column:1/-1;margin:0;font-size:13px;color:var(--muted)}
main{overflow:hidden}.hero{max-width:1180px;margin:auto;padding:84px 22px 70px;display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 13px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:13px;background:rgba(255,255,255,.55)}.hero h1,.page-hero h1{font-size:clamp(42px,7vw,82px);line-height:1.05;letter-spacing:-.06em;margin:24px 0;color:var(--ink)}.hero p,.page-hero p{font-size:18px;color:var(--muted);max-width:680px}.cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:999px;border:1px solid var(--line);transition:transform .2s ease,box-shadow .2s ease}.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.btn-primary{background:var(--ink);color:#fff;border-color:var(--ink)}.btn-ghost{background:rgba(255,255,255,.65)}.hero-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);background:var(--surface)}.hero-media img{aspect-ratio:4/3;object-fit:cover}.domain-card{position:absolute;left:24px;right:24px;bottom:24px;padding:18px;border-radius:22px;background:rgba(255,255,255,.78);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.5)}.domain-card span{display:block;font-size:12px;color:var(--muted)}.domain-card strong{word-break:break-all}
.section{max-width:1180px;margin:auto;padding:74px 22px}.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:32px}.section-head h2,.page-section h2{font-size:clamp(30px,4vw,52px);line-height:1.12;margin:0;letter-spacing:-.04em}.section-head p{max-width:560px;color:var(--muted);margin:0}.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:stretch}.intro-card,.metric,.service-card,.review-card,.contact-card,.content-card,.faq details{background:rgba(255,255,255,.78);border:1px solid var(--line);border-radius:var(--radius-md);padding:28px;box-shadow:0 10px 40px rgba(35,31,24,.04)}.intro-card h3,.service-card h3,.content-card h3{font-size:24px;margin:0 0 10px}.intro-card p,.service-card p,.content-card p,.review-card p,.contact-card p{color:var(--muted)}.intro-image{border-radius:var(--radius-md);overflow:hidden;min-height:360px}.intro-image img{height:100%;object-fit:cover}
.services{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.service-card small{display:inline-grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--gold-soft);color:var(--gold);font-weight:700}.service-card h3{margin-top:28px}.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.video-card{position:relative;overflow:hidden;border-radius:var(--radius-md);background:var(--surface);border:1px solid var(--line);box-shadow:0 12px 50px rgba(35,31,24,.05)}.video-shell{position:relative;background:#111}.video-shell img,.video-shell video{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease;min-height:220px}.video-card:hover img{transform:scale(1.04)}.play-badge{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(.92);width:68px;height:68px;border-radius:50%;border:1px solid rgba(255,255,255,.74);background:rgba(255,255,255,.75);display:grid;place-items:center;opacity:0;transition:.25s ease}.play-badge::before{content:"";display:block;margin-left:4px;border-left:18px solid var(--ink);border-top:12px solid transparent;border-bottom:12px solid transparent}.video-card:hover .play-badge,.video-card:focus-within .play-badge{opacity:1;transform:translate(-50%,-50%) scale(1)}.video-content{padding:22px}.video-tag{display:inline-flex;border:1px solid var(--line);border-radius:999px;padding:3px 10px;font-size:12px;color:var(--muted);background:var(--surface-soft)}.video-content h3{font-size:21px;line-height:1.35;margin:13px 0 8px}.video-content p{color:var(--muted);font-size:15px}.stats{display:flex;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:13px;border-top:1px solid var(--line);padding-top:14px}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.metric strong{font-size:38px;display:block;letter-spacing:-.04em}.metric span{color:var(--muted)}.reviews{display:grid;grid-template-columns:repeat(5,minmax(260px,1fr));gap:18px;overflow-x:auto;padding-bottom:8px}.review-card{min-width:260px}.review-card strong{display:block}.review-card small{color:var(--gold)}.faq{display:grid;gap:12px}.faq summary{cursor:pointer;font-weight:700;list-style:none}.faq summary::-webkit-details-marker{display:none}.faq details p{margin-bottom:0;color:var(--muted)}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.contact-form{display:grid;gap:14px}.contact-form input,.contact-form textarea{width:100%;border:1px solid var(--line);border-radius:18px;padding:14px 16px;background:rgba(255,255,255,.78);outline:none}.contact-form textarea{min-height:128px;resize:vertical}.contact-form input:focus,.contact-form textarea:focus{border-color:var(--gold);box-shadow:0 0 0 4px var(--gold-soft)}.social-row{display:flex;flex-wrap:wrap;gap:10px}.social-row a{border:1px solid var(--line);border-radius:999px;padding:8px 13px;background:rgba(255,255,255,.7)}.page-hero{max-width:1180px;margin:auto;padding:70px 22px 48px}.breadcrumb{font-size:14px;color:var(--muted);margin-bottom:16px}.page-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px}.content-list{display:grid;gap:18px}.content-card img{border-radius:18px;aspect-ratio:16/9;object-fit:cover;margin-bottom:18px}.json-block{white-space:pre-wrap;overflow:auto;font-size:13px;background:#171614;color:#f3eadc;border-radius:20px;padding:20px;line-height:1.65}.site-footer{margin-top:80px;border-top:1px solid var(--line);background:#efebe3}.footer-grid{max-width:1180px;margin:auto;padding:48px 22px;display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:28px}.footer-grid p{color:var(--muted)}.footer-links,.footer-social{display:grid;gap:10px}.footer-links a,.footer-social a{color:var(--muted)}.copyright{max-width:1180px;margin:0 auto;padding:0 22px 34px;color:var(--muted);font-size:14px}.footer-logo{margin-bottom:14px}
@media (max-width: 980px){.hero,.intro-grid,.contact-grid,.page-grid{grid-template-columns:1fr}.services,.metrics{grid-template-columns:repeat(2,1fr)}.video-grid{grid-template-columns:repeat(2,1fr)}.section-head{display:block}.nav-links{position:fixed;left:18px;right:18px;top:76px;padding:20px;display:none;flex-direction:column;background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);align-items:flex-start}.nav-links.is-open{display:flex}.menu-toggle{display:inline-flex}.footer-grid{grid-template-columns:1fr}}
@media (max-width: 640px){.hero{padding-top:54px}.search-row{grid-template-columns:1fr}.search-row button{width:100%}.services,.metrics,.video-grid{grid-template-columns:1fr}.section{padding:54px 18px}.nav-wrap,.search-row,.hero,.page-hero{padding-left:18px;padding-right:18px}.reviews{grid-template-columns:1fr;overflow:visible}.hero h1,.page-hero h1{font-size:42px}.hero p,.page-hero p{font-size:16px}.domain-card{position:static;margin:14px}.footer-grid{padding-left:18px;padding-right:18px}}
@media (prefers-reduced-motion: reduce){*{scroll-behavior:auto;transition:none!important;animation:none!important}}