:root{
  --bg:#f7f4ef;
  --surface:#ffffff;
  --ink:#171717;
  --muted:#6b665f;
  --line:rgba(23,23,23,.12);
  --soft:#ede6dc;
  --accent:#7f624a;
  --accent-ink:#ffffff;
  --radius:28px;
  --shadow:0 28px 80px rgba(31,25,18,.10);
  font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;text-size-adjust:100%;}
body{margin:0;background:var(--bg);color:var(--ink);font-size:16px;line-height:1.75;letter-spacing:.01em;}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;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(247,244,239,.88);backdrop-filter:blur(20px);border-bottom:1px solid var(--line)}
.header-inner{width:min(1180px,calc(100% - 36px));margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px 0}
.brand-logo{display:inline-flex;align-items:center;gap:12px;font-size:15px;line-height:1.1;min-width:max-content}
.brand-logo strong{display:block;font-size:22px;letter-spacing:.08em}
.brand-logo em{display:block;color:var(--muted);font-style:normal;font-size:12px;margin-top:5px;letter-spacing:.18em;text-transform:uppercase}
.logo-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--ink);color:#fff;font-weight:800;box-shadow:0 10px 25px rgba(0,0,0,.16)}
.main-nav{display:flex;align-items:center;justify-content:flex-end;gap:18px;flex-wrap:wrap;font-size:14px;color:#403b35}
.main-nav a{padding:8px 0;border-bottom:1px solid transparent;transition:.2s ease}
.main-nav a:hover{border-color:var(--ink);color:var(--ink)}
.nav-toggle{display:none;border:1px solid var(--line);background:rgba(255,255,255,.65);border-radius:999px;padding:8px 14px;color:var(--ink)}
.search-row{width:min(1180px,calc(100% - 36px));margin:0 auto 14px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:14px;align-items:center}
.search-form{display:flex;align-items:center;background:rgba(255,255,255,.72);border:1px solid var(--line);border-radius:999px;padding:6px;box-shadow:0 12px 36px rgba(31,25,18,.06)}
.search-form input{flex:1;border:0;background:transparent;outline:0;padding:10px 16px;color:var(--ink);min-width:0}
.search-form button,.btn{border:0;background:var(--ink);color:#fff;border-radius:999px;padding:11px 18px;cursor:pointer;transition:.2s ease;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.search-form button:hover,.btn:hover{transform:translateY(-1px);box-shadow:0 12px 25px rgba(0,0,0,.13)}
.btn.secondary{background:transparent;color:var(--ink);border:1px solid var(--line)}
.search-tip{margin:0;color:var(--muted);font-size:13px;white-space:nowrap}
main{overflow:hidden}.container{width:min(1180px,calc(100% - 36px));margin:auto}.section{padding:96px 0}.section.tight{padding:60px 0}.kicker{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;color:var(--accent);font-size:13px;letter-spacing:.16em;text-transform:uppercase}.kicker:before{content:"";width:42px;height:1px;background:currentColor}.section-title{font-size:clamp(32px,5vw,64px);line-height:1.05;margin:0 0 18px;letter-spacing:-.04em}.section-lead{max-width:720px;margin:0;color:var(--muted);font-size:18px}.hero{min-height:calc(100vh - 118px);display:grid;align-items:center;padding:70px 0}.hero-grid{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(320px,.98fr);gap:60px;align-items:center}.hero h1{font-size:clamp(44px,8vw,96px);line-height:.98;margin:0 0 24px;letter-spacing:-.07em}.hero p{font-size:20px;max-width:680px;color:var(--muted);margin:0 0 32px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap}.hero-media{position:relative;border-radius:42px;overflow:hidden;background:#fff;box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.8)}.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover}.media-caption{position:absolute;left:22px;right:22px;bottom:22px;padding:16px 18px;border-radius:22px;background:rgba(255,255,255,.78);backdrop-filter:blur(18px);font-size:14px;color:#4a443e}.domain-chip{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:999px;padding:8px 14px;background:rgba(255,255,255,.55);color:var(--muted);font-size:14px;margin-bottom:20px}.grid{display:grid;gap:22px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:rgba(255,255,255,.66);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 20px 50px rgba(31,25,18,.06)}.service-card .icon{display:grid;place-items:center;width:54px;height:54px;border-radius:18px;background:var(--soft);font-weight:800;color:var(--accent);margin-bottom:24px}.card h3{margin:0 0 12px;font-size:22px;line-height:1.25}.card p{margin:0;color:var(--muted)}.intro-grid{display:grid;grid-template-columns:.84fr 1.16fr;gap:42px;align-items:center}.intro-media{border-radius:36px;overflow:hidden;box-shadow:var(--shadow)}.intro-media img{aspect-ratio:4/3;object-fit:cover;width:100%}.video-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.video-card{padding:0;overflow:hidden;position:relative}.video-shell{position:relative;background:#111;overflow:hidden}.video-shell img,.video-shell video{width:100%;aspect-ratio:16/10;object-fit:cover;transition:.35s ease;display:block}.video-shell video{position:absolute;inset:0;opacity:0}.play-button{position:absolute;inset:0;margin:auto;width:72px;height:72px;border-radius:50%;border:1px solid rgba(255,255,255,.65);background:rgba(255,255,255,.82);color:#171717;display:grid;place-items:center;opacity:0;transform:scale(.86);transition:.25s ease;cursor:pointer}.play-button:before{content:"";margin-left:4px;border-top:13px solid transparent;border-bottom:13px solid transparent;border-left:20px solid currentColor}.video-card:hover .play-button,.video-card.is-active .play-button{opacity:1;transform:scale(1)}.video-card:hover .video-shell img{transform:scale(1.04);filter:saturate(1.04)}.video-body{padding:22px}.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.tag{display:inline-flex;border:1px solid var(--line);border-radius:999px;padding:5px 10px;font-size:12px;color:var(--accent);background:rgba(255,255,255,.5)}.meta-row{display:flex;gap:14px;flex-wrap:wrap;color:var(--muted);font-size:13px;border-top:1px solid var(--line);margin-top:18px;padding-top:16px}.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.stat{padding:28px;border-left:1px solid var(--line);background:rgba(255,255,255,.38);border-radius:24px}.stat strong{font-size:clamp(32px,5vw,56px);line-height:1;display:block;letter-spacing:-.05em}.stat span{color:var(--muted);font-size:14px}.testimonial{display:flex;flex-direction:column;gap:16px}.testimonial blockquote{margin:0;color:#403b35}.testimonial cite{font-style:normal;color:var(--muted);font-size:14px}.faq-list{display:grid;gap:12px}.faq-item{border:1px solid var(--line);border-radius:22px;background:rgba(255,255,255,.58);overflow:hidden}.faq-item summary{cursor:pointer;padding:20px 24px;font-weight:700;list-style:none}.faq-item summary::-webkit-details-marker{display:none}.faq-item p{padding:0 24px 22px;margin:0;color:var(--muted)}.contact-panel{display:grid;grid-template-columns:.85fr 1.15fr;gap:28px}.contact-list{display:grid;gap:14px}.contact-list div{padding:18px;border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.48)}.form-grid{display:grid;gap:14px}.form-grid input,.form-grid textarea{width:100%;border:1px solid var(--line);background:rgba(255,255,255,.72);border-radius:18px;padding:14px 16px;outline:0}.form-grid textarea{min-height:130px;resize:vertical}.site-footer{border-top:1px solid var(--line);padding:58px 0 26px;background:#171717;color:#f7f4ef}.footer-grid{width:min(1180px,calc(100% - 36px));margin:auto;display:grid;grid-template-columns:1.3fr .8fr 1fr;gap:32px}.footer-grid p,.footer-grid a{color:rgba(247,244,239,.72)}.footer-grid a{display:block;margin:8px 0}.footer-grid h2{font-size:16px;margin:0 0 14px}.footer-logo .logo-mark{background:#f7f4ef;color:#171717}.social-pill{display:inline-flex;margin:0 8px 8px 0;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;border-radius:999px;padding:8px 12px;cursor:pointer}.footer-bottom{width:min(1180px,calc(100% - 36px));margin:34px auto 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);display:flex;gap:18px;flex-wrap:wrap;justify-content:space-between;color:rgba(247,244,239,.62);font-size:13px}.breadcrumb{display:flex;gap:8px;align-items:center;color:var(--muted);font-size:14px;margin-bottom:24px}.breadcrumb a{border-bottom:1px solid var(--line)}.page-hero{padding:76px 0 42px}.content-card{display:grid;grid-template-columns:220px 1fr;gap:26px;align-items:center}.content-card img{border-radius:24px;aspect-ratio:4/3;object-fit:cover}.article-body{max-width:820px}.article-body h2{font-size:32px;line-height:1.2;margin:40px 0 16px}.article-body p{color:var(--muted)}.share-note{font-size:13px;color:var(--muted);margin-top:8px}.notice{border:1px solid var(--line);background:rgba(255,255,255,.55);border-radius:22px;padding:18px;color:var(--muted)}
@media (max-width:980px){.main-nav{display:none;position:absolute;left:18px;right:18px;top:78px;background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:24px;padding:18px;box-shadow:var(--shadow)}.main-nav.is-open{display:grid}.nav-toggle{display:inline-flex}.search-row{grid-template-columns:1fr}.search-tip{white-space:normal}.hero-grid,.intro-grid,.contact-panel,.footer-grid{grid-template-columns:1fr}.hero{min-height:auto}.grid.three,.grid.four,.video-grid,.stats{grid-template-columns:repeat(2,minmax(0,1fr))}.content-card{grid-template-columns:1fr}.hero-media{border-radius:30px}}
@media (max-width:640px){.header-inner,.search-row,.container,.footer-grid,.footer-bottom{width:min(100% - 28px,1180px)}.section{padding:66px 0}.hero{padding:48px 0}.hero h1{font-size:46px}.hero p,.section-lead{font-size:16px}.grid.two,.grid.three,.grid.four,.video-grid,.stats{grid-template-columns:1fr}.card{padding:22px}.footer-bottom{display:grid}.search-form{border-radius:22px;align-items:stretch}.search-form button{padding-inline:14px}.media-caption{position:static;border-radius:0}.hero-media{overflow:hidden}.stat{border-left:0;border-top:1px solid var(--line)}}