:root{color-scheme:light;--ink:#142f2b;--muted:#526762;--line:#d7e3dc;--green:#176b50}*{box-sizing:border-box}body{margin:0;background:#f6f8f3;color:var(--ink);font:16px/1.8 system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif}a{color:var(--green);text-underline-offset:4px}header,footer{max-width:1120px;margin:auto;padding:25px 32px;display:flex;justify-content:space-between;gap:20px;align-items:center}header{border-bottom:1px solid var(--line)}.brand{font-size:22px;font-weight:750;letter-spacing:-.7px;text-decoration:none;color:var(--ink)}nav a{font-size:14px}main{max-width:1120px;margin:auto;padding:76px 32px 48px}.eyebrow{font-size:12px;letter-spacing:2.5px;color:var(--green);font-weight:700}h1{font-size:clamp(36px,5vw,62px);line-height:1.25;letter-spacing:-2px;margin:24px 0}h1 small{font-size:.65em;letter-spacing:-1px}.lead{max-width:790px;font-size:19px;color:var(--muted)}.notice{margin:32px 0;padding:16px 20px;border-left:3px solid var(--green);background:#eaf0e7;font-size:14px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:48px 0 64px}.cards article{padding:28px;background:white;border:1px solid var(--line);border-radius:12px}.cards span{font-size:11px;font-weight:700;letter-spacing:1px;color:var(--green)}h2{font-size:24px;line-height:1.4;margin:24px 0 12px}.cards p{color:var(--muted);font-size:15px}.prose{max-width:850px}.prose h2{margin-top:42px}.prose p{overflow-wrap:anywhere}.button{display:inline-block;padding:12px 20px;background:var(--green);color:white;text-decoration:none;border-radius:6px;margin-top:12px}.policy{max-width:1000px}footer{border-top:1px solid var(--line);font-size:13px;color:var(--muted)}@media(max-width:650px){header,footer{padding:20px;flex-wrap:wrap}main{padding:45px 20px}.cards{grid-template-columns:1fr;gap:12px;margin:32px 0}.lead{font-size:17px}h1{letter-spacing:-1px}.cards article{padding:22px}}