:root{color-scheme:light;--bg:#f8f6ef;--paper:#fffdf8;--ink:#1f2933;--muted:#6b7280;--line:#e5dfd0;--accent:#3f7d58;--accent2:#b7791f}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}header{position:sticky;top:0;z-index:3;background:rgba(255,253,248,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(12px);padding:14px 22px}header div{display:flex;gap:14px;align-items:baseline;flex-wrap:wrap}header span{color:var(--muted);font-size:14px}.brand{font-size:20px;font-weight:800;color:var(--ink);text-decoration:none}.shell{display:grid;grid-template-columns:300px minmax(0,1fr);min-height:calc(100vh - 58px)}aside{border-right:1px solid var(--line);padding:22px;position:sticky;top:58px;align-self:start;height:calc(100vh - 58px);overflow:auto}main{max-width:980px;padding:42px 56px 80px}.nav-section{margin-bottom:24px}.nav-section strong{display:block;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent2);margin-bottom:8px}.nav-section a{display:block;text-decoration:none;color:#334155;padding:6px 8px;border-radius:8px;font-size:14px;line-height:1.3}.nav-section a:hover,.nav-section a.active{background:#ebe4d3;color:#111827}h1{font-size:44px;line-height:1.05;margin:0 0 24px;letter-spacing:-.04em}h2{font-size:24px;margin-top:34px;border-top:1px solid var(--line);padding-top:24px}h3{font-size:18px;margin-top:28px}p,li{max-width:760px}a{color:var(--accent);font-weight:650}ul{padding-left:22px}.hero{background:linear-gradient(135deg,#fffdf8,#efe8d7);border:1px solid var(--line);border-radius:20px;padding:28px;margin-bottom:28px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin-top:24px}.card{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:18px;text-decoration:none;color:var(--ink);box-shadow:0 8px 22px rgba(31,41,51,.05)}.card b{display:block;font-size:17px;margin-bottom:6px}.card span{color:var(--muted);font-size:14px}@media(max-width:800px){.shell{display:block}aside{position:relative;top:0;height:auto;border-right:0;border-bottom:1px solid var(--line)}main{padding:28px 22px}h1{font-size:34px}}