:root{color-scheme:light;--ink:#16352e;--green:#0f5a49;--paper:#f6f3ea;--line:#dcd8cb;--muted:#60716b}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.75 system-ui,-apple-system,"Segoe UI","PingFang SC",sans-serif}a{color:var(--green)}header,main,footer{width:min(1040px,calc(100% - 36px));margin:auto}header{padding:26px 0;display:flex;align-items:center;justify-content:space-between}.brand{font-size:23px;font-weight:800;text-decoration:none}.back{padding:9px 16px;border:1px solid var(--green);border-radius:8px;text-decoration:none}main{padding:46px 0 70px}.hero{padding:52px;border-radius:22px;background:#153d34;color:#fff}.hero small{letter-spacing:.14em}.hero h1{font-size:clamp(32px,6vw,58px);line-height:1.15;margin:.25em 0}.hero p{max-width:720px;font-size:18px}.hero a{display:inline-block;margin-top:12px;padding:11px 20px;border-radius:8px;background:#fff;color:var(--green);font-weight:700;text-decoration:none}.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin:30px 0}.card,.prose{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px}.card h2,.prose h2{margin-top:0}.prose{margin-top:18px}.links{display:flex;gap:18px;flex-wrap:wrap}footer{border-top:1px solid var(--line);padding:28px 0 50px;color:var(--muted)}@media(max-width:700px){header{align-items:flex-start}.hero{padding:30px 24px}.grid{grid-template-columns:1fr}main{padding-top:18px}}