:root{color-scheme:light;--paper:#f5f4ee;--ink:#253a32;--muted:#68766b;--green:#256554}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8}a{color:inherit;text-underline-offset:5px}header,main,footer{max-width:1080px;margin:auto;padding:32px 40px}header{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #dfe3d8;gap:24px}.wordmark{text-decoration:none;font-size:13px;color:var(--muted)}.wordmark span{display:block;font-size:22px;font-weight:650;letter-spacing:2px;color:var(--ink)}nav{display:flex;gap:28px;font-size:14px}nav a{text-decoration:none}nav a:hover{text-decoration:underline}.hero{padding:56px 0 48px;max-width:760px}.eyebrow{font-size:14px;color:var(--green);letter-spacing:2px}h1{font-size:clamp(38px,6vw,72px);letter-spacing:-2px;font-weight:600;line-height:1.3;margin:24px 0}.lead{font-size:19px;line-height:1.9;color:var(--muted);max-width:680px}.pill{display:inline-block;background:#e6eddf;color:#47754a;padding:7px 16px;border-radius:30px;font-size:13px;margin-top:12px}.note{display:flex;align-items:center;gap:28px;background:#e6eddf;border-radius:20px;padding:26px 32px;margin-top:40px;max-width:660px}.note p{font-size:14px;margin:6px 0;color:var(--muted)}.seven{font-size:76px;line-height:1;color:#47754a;flex-shrink:0}.seven span{display:block;text-align:center;font-size:16px;margin-top:8px}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;border-top:1px solid #dfe3d8;border-bottom:1px solid #dfe3d8;padding:38px 0}.features article>span{font-size:13px;color:var(--green)}h2{font-size:22px;margin:14px 0}p{overflow-wrap:anywhere}.features p,.reading p{font-size:15px;color:var(--muted)}.reading{padding:38px 0 50px;max-width:730px}.button{display:inline-block;text-decoration:none;background:var(--green);color:#fff;padding:12px 24px;border-radius:12px;margin-top:18px;font-size:15px}.button span{margin-left:24px}.plain{display:block;font-size:14px;margin-top:18px;color:var(--green)}footer{border-top:1px solid #dfe3d8;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;color:var(--muted);font-size:13px}footer small{width:100%;font-size:12px}.document{max-width:760px;padding:28px 0 48px}.document h1{font-size:clamp(30px,5vw,44px);letter-spacing:-1px}.meta{font-size:13px;color:var(--muted)}.policy-section{padding:14px 0 24px;border-bottom:1px solid #e0e4da}.policy-section h2{font-size:20px}.policy-section p{font-size:15px;color:#536358;line-height:2}a:focus-visible{outline:3px solid #adbd78;outline-offset:5px}@media(max-width:640px){header,main,footer{padding:24px}header{align-items:flex-start;gap:16px}nav{gap:14px;font-size:12px;flex-wrap:wrap;justify-content:flex-end}.hero{padding-top:28px}.features{grid-template-columns:1fr;gap:20px}.note{padding:22px;gap:20px}.lead{font-size:17px}.reading{padding-bottom:24px}}
