:root{color-scheme:light;--ink:#17221f;--muted:#5c6b66;--line:#d7e0dc;--accent:#176b55;--soft:#edf6f2}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:#f6f8f7;font:16px/1.75 system-ui,-apple-system,"Segoe UI",sans-serif}a{color:#0e654e}header,main,footer{width:min(1080px,calc(100% - 32px));margin:auto}.site-header{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:24px 0}.brand{color:var(--ink);font-weight:800;text-decoration:none}.site-header nav{display:flex;gap:16px;flex-wrap:wrap}.hero,.entry,.card{background:white;border:1px solid var(--line);border-radius:16px}.hero{padding:clamp(28px,6vw,72px);margin:18px auto 28px;background:linear-gradient(135deg,#fff,var(--soft))}.hero h1,.entry h1{line-height:1.25}.hero p{max-width:720px;color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.card{padding:24px}.card p{color:var(--muted)}.entry{padding:clamp(22px,5vw,56px);margin-bottom:30px}.entry img{max-width:100%;height:auto}.entry table{display:block;max-width:100%;overflow:auto}.entry pre{max-width:100%;overflow:auto}.form-disabled{padding:16px;color:#684b10;background:#fff4d6;border:1px solid #e0bf68;border-radius:10px}footer{padding:24px 0 48px;color:var(--muted)}@media(max-width:720px){.grid{grid-template-columns:1fr}.site-header{align-items:flex-start;flex-direction:column}}