:root{color-scheme:light;--ink:#20332d;--muted:#65756e;--green:#376650;--paper:#f4f5ef;--line:#dce3d9;--white:#fff}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.7 system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif}header,main,footer{max-width:1180px;margin:auto;padding:0 32px}header{height:90px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}a{color:inherit;text-decoration:none}.brand{font-size:23px;font-weight:750;letter-spacing:.1em}.brand span{font-size:10px;letter-spacing:.18em;font-weight:500;margin-left:18px;color:var(--muted)}header>a:last-child{font-size:13px}.intro{padding:65px 0 45px;max-width:790px}.eyebrow{font-size:11px;letter-spacing:.15em;font-weight:700;color:var(--green);margin:0 0 16px}h1{font-size:clamp(36px,5vw,62px);line-height:1.2;letter-spacing:-.04em;margin:0 0 25px;font-weight:650}h1 em{font-style:normal;color:var(--green)}.intro>p:not(.eyebrow){max-width:610px;font-size:16px;color:var(--muted)}.privacy{font-size:12px;color:var(--muted);border-left:3px solid #9faf93;padding:6px 16px;margin-top:24px}.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.section-head h2{margin:0;font-size:18px}.section-head span{font-size:12px;color:var(--muted)}.apps{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.apps a{padding:19px;background:#e9eee3;border:1px solid transparent;border-radius:10px;transition:background .15s,border-color .15s}.apps a:hover{border-color:var(--green);background:#e0e8d8}.apps b{display:block;font-size:14px;margin-bottom:5px}.apps span{font-size:11px;color:var(--muted)}.tools{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin:38px 0}.card{padding:30px;background:var(--white);border:1px solid var(--line);border-radius:16px}.card h2{font-size:23px;line-height:1.3;margin:0 0 12px}.hint{font-size:12px;color:var(--muted);margin:12px 0 20px}.row{display:grid;grid-template-columns:1fr 1fr;gap:15px}label{font-size:12px;font-weight:600;display:block;margin-bottom:14px}input,textarea,select{width:100%;display:block;margin-top:6px;padding:11px 12px;color:var(--ink);font:14px/1.6 inherit;font-family:inherit;background:#fafbf8;border:1px solid var(--line);border-radius:7px;min-width:0}input,select{height:43px}textarea{resize:vertical;font-size:13px;font-weight:400;line-height:1.7}button{border:1px solid var(--green);border-radius:7px;background:var(--green);color:white;padding:11px 18px;font-family:inherit;font-size:13px;cursor:pointer;min-height:42px}button:hover{filter:brightness(.93)}button.secondary{background:transparent;color:var(--green);font-size:12px;padding:8px 14px}.output-label{margin-top:20px}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:25px 0}.metrics div{padding:14px 8px;border-radius:7px;background:var(--paper)}.metrics dt{font-size:11px;color:var(--muted)}.metrics dd{margin:5px 0 0;font-size:20px;font-weight:650;overflow-wrap:anywhere}.brief{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:32px}.brief-output textarea{min-height:445px}.footnote{font-size:12px;color:var(--muted);border-top:1px solid var(--line);padding:22px 0 0}.footnote b{color:var(--ink)}#status{font-size:13px;color:var(--green);min-height:24px}footer{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);padding-top:18px;padding-bottom:26px;border-top:1px solid var(--line)}:focus-visible{outline:3px solid #87aa72;outline-offset:3px}@media(max-width:850px){.apps{grid-template-columns:repeat(2,1fr)}.card{padding:23px}.tools{gap:15px}.metrics{grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){header,main,footer{padding-left:20px;padding-right:20px}header{height:75px}.brand span{display:none}.intro{padding-top:42px}.section-head{display:block}.section-head span{display:block;margin-top:5px}.tools,.brief{grid-template-columns:1fr}.brief-output textarea{min-height:350px}.row{gap:10px}.apps a{padding:15px}.apps span{font-size:10px}.brief{gap:20px}footer{display:block}.metrics{grid-template-columns:repeat(3,1fr)}}