:root{color-scheme:light;--green:#155b43;--ink:#20372c;--muted:#617068;--line:#d9e3da}
*{box-sizing:border-box}body{margin:0;background:#f5f7f1;color:var(--ink);font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}main{max-width:880px;margin:auto;padding:64px 24px 32px}.eyebrow{font-size:14px;color:var(--green);letter-spacing:.04em}h1{font-size:clamp(32px,7vw,52px);line-height:1.3;margin:12px 0}h2{font-size:23px;margin-top:0}.intro{font-size:18px;color:var(--muted);margin-bottom:36px}section{background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px;margin:22px 0}section p{color:var(--muted)}a{color:var(--green);text-underline-offset:4px}.actions{display:flex;gap:24px;align-items:center;flex-wrap:wrap}.primary{background:var(--green);color:#fff;padding:10px 20px;border-radius:7px;text-decoration:none}.deck{display:flex;align-items:center;gap:24px;padding:19px 0;border-top:1px solid var(--line);text-decoration:none}.deck strong{flex:1;font-weight:600}.deck span:first-child{color:var(--muted);font-size:14px;white-space:nowrap}footer{text-align:center;padding:20px 24px 32px;color:var(--muted);font-size:13px}a:focus-visible{outline:3px solid #d1a847;outline-offset:5px}@media(max-width:480px){main{padding-top:32px}section{padding:20px}.deck{gap:14px}}