:root{font-family:Inter,"Microsoft YaHei",system-ui,sans-serif;color:#202e2a;background:#fbfcfa;font-synthesis:none;line-height:1.7;--accent:#17664e;--muted:#64736c;--line:#dfe6df}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0}a{color:var(--accent);text-underline-offset:4px}a:hover{color:#103e30}button,input{font:inherit}[hidden]{display:none!important}.wrap{max-width:1120px;margin:auto;padding-left:32px;padding-right:32px}.header{display:flex;align-items:center;justify-content:space-between;padding-top:26px;padding-bottom:26px;border-bottom:1px solid var(--line);gap:24px}.brand{display:flex;align-items:center;gap:11px;font-size:18px;font-weight:700;text-decoration:none;color:#202e2a;white-space:nowrap}.mark{display:grid;place-items:center;background:var(--accent);color:white;width:36px;height:36px;border-radius:11px;font-size:20px}.header nav{display:flex;gap:24px;flex-wrap:wrap}.header nav a{font-size:14px;text-decoration:none;color:var(--muted)}.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:64px;align-items:center;padding:76px 0 72px}.eyebrow{font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--accent);margin:0 0 16px}h1{font-size:clamp(34px,4.3vw,48px);line-height:1.35;letter-spacing:-.03em;margin:0 0 22px}h2,h3{line-height:1.4}h2{font-size:28px;margin:0}h3{font-size:18px}.tagline{font-size:20px;margin:0 0 14px}.intro{font-size:15px;color:var(--muted);max-width:470px;margin:0 0 28px}.buttons{display:flex;gap:12px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;gap:18px;padding:12px 18px;border-radius:8px;font-size:14px;font-weight:600;text-decoration:none}.primary{background:var(--accent);color:white}.primary:hover{background:#104c3a;color:white}.secondary{color:#34453c;border:1px solid #cbd8cd;background:white}.small{font-size:12px;color:var(--muted);margin-top:18px}.flow-card{background:#eef4ee;border:1px solid #dbe7d9;border-radius:20px;padding:32px}.pill{display:inline-block;font-size:12px;padding:4px 10px;border:1px solid #bfd2bf;border-radius:20px;color:#466748;margin-bottom:18px}.flow-card h2{font-size:25px}.flow-card ol{list-style:none;margin:22px 0;padding:0}.flow-card li{display:flex;gap:15px;margin:22px 0}.flow-card li>span{font-size:12px;color:#617762;padding-top:2px}.flow-card strong{font-size:15px}.flow-card p{margin:3px 0 0;font-size:13px;color:var(--muted)}.flow-card .card-note{border-top:1px solid #d1dfd0;padding-top:17px;font-size:12px}.section{padding:48px 0;border-top:1px solid var(--line)}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:36px;margin-bottom:30px}.section-heading .eyebrow{margin-bottom:10px}.section-heading>p{max-width:365px;color:var(--muted);font-size:14px;margin:0}.steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);padding:0;margin:0;gap:20px}.steps li{border:1px solid var(--line);border-radius:12px;padding:24px;background:white}.step-number{color:var(--accent);font-size:13px;font-weight:700}.steps h3{margin:14px 0 10px}.steps p{font-size:14px;color:var(--muted);margin-bottom:18px}.steps a{font-size:13px;font-weight:600}.guide-note{margin-top:22px;background:#f1f4ef;border-radius:8px;padding:16px 20px;font-size:13px;color:#536357}.guide-note strong{color:#314d3d}.faq-tools{display:flex;align-items:center;gap:16px;margin-bottom:22px}.faq-tools label{font-size:14px;white-space:nowrap}.faq-tools input{width:420px;max-width:100%;border:1px solid #b9c8bb;border-radius:8px;padding:11px 14px;background:white;font-size:14px;color:#243b2b}.faq-tools span{font-size:12px;color:var(--muted)}.faq-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line)}summary{cursor:pointer;font-size:15px;font-weight:600;padding:20px 36px 20px 0;list-style:none;position:relative}summary::-webkit-details-marker{display:none}summary::after{content:'+';position:absolute;right:7px;color:var(--accent);font-size:22px;top:14px;font-weight:400}details[open] summary::after{content:'−'}.answer{max-width:880px;padding:0 22px 20px 0;color:#52645a;font-size:14px;line-height:1.9}.answer p{margin:0 0 12px}.answer p:last-child{margin-bottom:0}.answer ol{padding-left:22px;margin-top:0}.answer li{margin:7px 0}.answer code{background:#edf1eb;padding:2px 5px;border-radius:4px;overflow-wrap:anywhere}.feedback{display:flex;gap:22px;background:#f1f4ef;padding:20px 24px;border-radius:10px;margin-top:28px;font-size:13px}.feedback strong{white-space:nowrap}.feedback p{margin:0;color:var(--muted)}.updates{display:grid;grid-template-columns:1fr 2fr;gap:32px}.updates p{font-size:14px;color:var(--muted);margin:0 0 12px}.updates strong{color:#263e2e}.updates a{font-size:14px}.release-date{margin-left:14px;font-size:12px}.footer{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:26px;padding-bottom:34px;color:var(--muted);font-size:12px}.skip{position:absolute;left:20px;top:-80px;background:white;padding:8px;z-index:2}.skip:focus{top:10px}:focus-visible{outline:3px solid #659f84;outline-offset:4px}#faq-empty{color:var(--muted);font-size:14px}@media(max-width:800px){.wrap{padding-left:22px;padding-right:22px}.header{align-items:flex-start}.header nav{gap:10px 16px;justify-content:flex-end}.hero{gap:28px;padding:48px 0;grid-template-columns:1fr}.hero-copy{max-width:600px}.flow-card{padding:26px}.section-heading{display:block}.section-heading>p{margin-top:14px;max-width:100%}.steps{grid-template-columns:1fr}.steps li{padding:20px}.steps h3{margin:8px 0}.steps p{margin-bottom:12px}.faq-tools{flex-wrap:wrap;gap:9px}.faq-tools input{width:100%}.faq-tools label{width:100%}.updates{grid-template-columns:1fr;gap:22px}.feedback{display:block}.feedback p{margin-top:8px}.section{padding:36px 0}}@media(max-width:460px){.header{flex-direction:column;gap:14px;padding-top:20px;padding-bottom:18px}.header nav{gap:22px}.brand{font-size:17px}h1{font-size:34px}h2{font-size:24px}.hero{padding-top:34px}.button{padding:11px 14px;font-size:13px}.flow-card{padding:22px}.small{line-height:1.8}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}