:root{--bg:#f7f8f7;--paper:#fff;--ink:#17201c;--muted:#66706b;--line:#dfe4e1;--accent:#1f5b46;--max:1120px}
*{box-sizing:border-box}body{margin:0;font-family:Arial,"Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink);line-height:1.75}a{text-decoration:none;color:inherit}.wrap{max-width:var(--max);margin:auto;padding:0 28px}
header{background:#fff;border-bottom:1px solid var(--line)}.nav{height:72px;display:flex;align-items:center;justify-content:space-between}.brand{font-weight:800}nav{display:flex;gap:22px;font-size:14px}
.hero{padding:90px 0 75px;background:#fff}.eyebrow{color:var(--accent);font-weight:700;letter-spacing:.12em}.area,.muted{color:var(--muted)}h1{font-size:clamp(38px,6vw,66px);line-height:1.15;margin:18px 0}h2{font-size:32px}.lead{font-size:20px;max-width:850px}.section{padding:70px 0;border-top:1px solid var(--line)}.white{background:#fff}
.actions,.cross,.flow{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;align-items:center}.btn{border:1px solid var(--ink);padding:12px 20px;font-weight:700;background:#fff}.primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:#fff;border:1px solid var(--line);padding:28px}.step{padding:13px 16px;border:1px solid var(--line);background:#fff;font-weight:700}.sep{color:#9ba49f}.note{border-left:3px solid var(--accent);padding:14px 18px;background:#eef4f1;margin-top:25px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:45px}.service-list div{padding:14px 0;border-bottom:1px solid var(--line)}
footer{background:#111915;color:#d8dedb;padding:50px 0}footer p{color:#aeb8b3;margin:5px 0}
.formbox{max-width:760px;border:1px solid var(--line);padding:32px;background:#fff;margin-top:28px}.formgrid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.field{display:flex;flex-direction:column;gap:6px}.full{grid-column:1/-1}label{font-weight:700}input,textarea{padding:13px;border:1px solid #cfd6d2;font:inherit}textarea{min-height:140px}.success{display:none;margin-top:18px;padding:14px;background:#eef4f1;border-left:3px solid var(--accent)}
@media(max-width:760px){nav{display:none}.wrap{padding:0 20px}.grid3,.two,.formgrid{grid-template-columns:1fr}.full{grid-column:auto}.hero{padding:65px 0}.step{width:100%}.sep{display:none}}

.brand{display:flex;gap:10px;align-items:center;flex-shrink:0}.brand img{object-fit:contain}.brand small{display:block;font-size:11px;font-weight:400}.languages{display:flex;gap:12px;font-size:13px;margin-left:15px}.nav{height:auto;min-height:84px;gap:15px}nav{gap:14px}.menu-toggle{display:none}.card h2{font-size:23px;margin:0 0 12px}.reading{max-width:900px}.qr-pair{display:flex;gap:20px;align-items:start;justify-content:center}.qr-pair figure{margin:0;flex:1;max-width:205px;text-align:center}.qr-pair img{width:100%;height:220px;object-fit:contain;background:white;padding:8px}.qr-pair figcaption{margin-top:8px}footer h2{font-size:28px;margin-top:0}footer .btn{color:var(--ink)}footer .primary{color:white}.footnote{font-size:13px;margin-top:38px;color:#aeb8b3}.text-link{text-decoration:underline}.trap{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}.skip{position:absolute;top:-80px;background:white;padding:10px;z-index:10}.skip:focus{top:0}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #b48b36;outline-offset:3px}button,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.65;cursor:wait}select{padding:13px;border:1px solid #cfd6d2;background:white;max-width:100%}input,textarea{width:100%;min-width:0}.btn{text-align:center;display:inline-block}#form-status{white-space:pre-line}.two>*{min-width:0}footer a{overflow-wrap:anywhere}.footnote a{text-decoration:underline}html{scroll-behavior:smooth}h1{overflow-wrap:anywhere}body{overflow-wrap:break-word}.formbox{max-width:850px}
@media(max-width:1000px){.nav{flex-wrap:wrap;padding-top:12px;padding-bottom:12px}nav{order:4;justify-content:center;width:100%;padding-top:10px}.languages{margin-left:auto}}@media(max-width:760px){.brand small{font-size:10px}.brand img{width:38px;height:38px}.menu-toggle{display:block;border:1px solid var(--line);padding:7px 12px;background:white;margin-left:auto}.languages{width:100%;justify-content:flex-end;margin:0}nav{display:none;text-align:left}nav.open{display:flex;flex-direction:column;align-items:stretch;gap:0}nav a{padding:10px 0;border-top:1px solid var(--line)}h1{font-size:38px;line-height:1.25}h2{font-size:27px}.hero{padding:45px 0}.section{padding:42px 0}.actions{align-items:stretch}.business-tabs{display:grid;grid-template-columns:1fr}.business-tabs .btn{width:100%}.formbox{padding:20px}.qr-pair{gap:12px}.qr-pair img{height:200px}.two{gap:28px}.lead{font-size:18px}.nav{gap:10px}.wrap{padding-left:20px;padding-right:20px}}@media(max-width:360px){.qr-pair img{height:165px}.btn{padding:12px 14px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}