:root{--ink:#17352d;--leaf:#2e6b55;--mist:#f4f8f5;--gold:#d8a948;--line:#dce7e1;--white:#fff}
*{box-sizing:border-box}body{margin:0;font:16px/1.65 system-ui,-apple-system,Segoe UI,sans-serif;color:#26352f;background:#fff}
a{color:#1f664e}header{position:sticky;top:0;z-index:5;background:#fff;border-bottom:1px solid var(--line)}
.wrap{max-width:1160px;margin:auto;padding:0 22px}.top{display:flex;align-items:center;gap:24px;min-height:72px}
.brand{font-size:24px;font-weight:800;color:var(--ink);text-decoration:none}.brand span{color:var(--leaf)}
nav{display:flex;gap:18px;align-items:center;margin-left:auto}nav a{text-decoration:none;color:#33473f;font-weight:650}
.btn{display:inline-block;background:var(--leaf);color:#fff!important;padding:11px 17px;border-radius:999px;text-decoration:none;font-weight:800}
.hero{background:linear-gradient(135deg,#eef7f1,#fff8e9);padding:64px 0}.hero h1{font-size:clamp(38px,6vw,68px);line-height:1.02;margin:.2em 0;color:var(--ink);max-width:850px}
.kicker{font-weight:800;color:var(--leaf);text-transform:uppercase;letter-spacing:.08em}.lede{font-size:20px;max-width:760px}
.grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:42px;padding:48px 22px}.content{max-width:760px}
.content h1{font-size:42px;line-height:1.1;color:var(--ink)}h2{color:var(--ink);margin-top:2em}.card,.cta,.notice{border:1px solid var(--line);border-radius:18px;padding:22px;background:var(--white)}
.sidebar{position:relative}.sidebar .card{position:sticky;top:94px}.cta{background:#f0f7f3;margin:28px 0}.notice{background:#fff9e9}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.cards a{padding:22px;border:1px solid var(--line);border-radius:16px;text-decoration:none;color:inherit}.cards h3{margin-top:0;color:var(--ink)}
footer{margin-top:60px;background:var(--ink);color:#dce9e4;padding:38px 0}footer a{color:#fff}.small{font-size:13px;color:#65756f}
.breadcrumb{font-size:14px;margin-bottom:22px}.toc{background:var(--mist);padding:18px;border-radius:14px}
@media(max-width:850px){nav a:not(.btn){display:none}.grid{grid-template-columns:1fr}.sidebar .card{position:static}.cards{grid-template-columns:1fr}.content h1{font-size:36px}}