:root{color-scheme:light;--ink:#243933;--muted:#65726d;--paper:#f6f5ef;--line:#d8ded5;--green:#215d4b}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.85 system-ui,"Microsoft YaHei",sans-serif}a{color:var(--green)}nav{max-width:1120px;margin:auto;padding:22px 26px;display:flex;justify-content:space-between;border-bottom:1px solid var(--line)}nav a{text-decoration:none;margin-left:22px}main{max-width:1120px;margin:auto;padding:0 26px}header{padding:70px 0 55px;display:grid;grid-template-columns:1.6fr 1fr;gap:45px}.eyebrow{font-size:13px;letter-spacing:.1em;color:var(--green)}h1{font-size:clamp(32px,4vw,48px);line-height:1.4;max-width:730px;margin:16px 0 24px}h2{font-size:25px;margin:0 0 14px}h3{font-size:18px}.lead{font-size:19px;max-width:680px;color:var(--muted)}.button{display:inline-block;padding:11px 21px;background:var(--green);color:white;border-radius:5px;text-decoration:none;margin:10px 8px 0 0}.secondary{background:transparent;color:var(--green);border:1px solid var(--green)}.side{border-left:2px solid var(--line);padding-left:26px;margin-top:35px}.side strong{font-size:30px;display:block}.side p{color:var(--muted)}section{padding:35px 0;border-top:1px solid var(--line)}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.number{font-size:13px;color:var(--green)}.note{background:#e9eee5;padding:22px;border-radius:5px}.status{font-size:14px;color:var(--muted)}footer{padding:32px 0 50px;color:var(--muted);font-size:14px;border-top:1px solid var(--line)}@media(max-width:760px){header{grid-template-columns:1fr;padding:36px 0;gap:12px}.side{margin-top:0}.steps{grid-template-columns:1fr;gap:10px}nav{padding:16px}nav a{margin-left:10px}main{padding:0 20px}}