:root{--bg:#f6f3ef;--card:#fff;--ink:#2b2622;--muted:#7a7168;--line:#e4ddd4;--accent:#5f8f7b;--warn-bg:#f3e9df;--warn-ink:#8a5a2b}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font:16px/1.55 -apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;padding:0 16px 48px}
.wrap{max-width:980px;margin:0 auto}
header.site{padding:28px 0 8px;border-bottom:1px solid var(--line);margin-bottom:20px}
header.site h1{font-family:Georgia,"Times New Roman",serif;font-size:28px}
header.site p{color:var(--muted);margin-top:4px}
nav.top{display:flex;gap:14px;flex-wrap:wrap;padding:12px 0}
nav.top a{color:var(--ink);text-decoration:none;font-weight:600;padding:6px 10px;border-radius:8px}
nav.top a.active,nav.top a:hover{background:#ece5db}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;margin:18px 0}
h2{font-family:Georgia,"Times New Roman",serif;font-size:22px;margin-bottom:10px}
.tool-layout{display:grid;grid-template-columns:1fr 300px;gap:24px;align-items:start}
@media(max-width:820px){.tool-layout{grid-template-columns:1fr}}
.ad-slot{border:1.5px dashed #c9c0b4;border-radius:12px;min-height:250px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--muted);background:#faf8f5;padding:16px;text-align:center}
.ad-slot .tag{font-size:11px;letter-spacing:.14em;text-transform:uppercase;font-weight:700}
.ad-slot .note{font-size:13px}
label.field{display:block;margin:16px 0 4px;font-weight:600;font-size:15px}
.val{float:right;color:var(--muted);font-weight:400}
input[type=range]{width:100%;margin:6px 0 4px;accent-color:var(--ink)}
input[type=text]{width:100%;padding:9px 10px;border:1px solid var(--line);border-radius:9px;font-size:16px;background:#fff}
.choices{display:flex;gap:8px;flex-wrap:wrap;margin-top:4px}
.choices button{padding:8px 14px;border:1px solid var(--line);border-radius:9px;background:#fff;font-size:15px;cursor:pointer}
.choices button.on{background:var(--accent);border-color:var(--accent);color:#fff}
table.results{width:100%;border-collapse:collapse;margin-top:18px}
table.results td{padding:11px 0;border-bottom:1px solid var(--line)}
table.results td:last-child{text-align:right;font-weight:700}
table.results tr:last-child td{border-bottom:none}
.warn{background:var(--warn-bg);color:var(--warn-ink);border-radius:10px;padding:12px 14px;margin-top:18px;font-size:14.5px}
.note{background:#efe9e1;border-radius:10px;padding:12px 14px;margin-top:14px;font-size:14.5px;color:#5d554b}
.prose p{margin:12px 0;max-width:70ch}
.btn{display:inline-block;margin-top:14px;padding:9px 16px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--ink);text-decoration:none;font-weight:600}
img.hero{width:100%;border-radius:14px;display:block}
.caption{color:var(--muted);font-size:13px;margin-top:6px}
ol.tools{margin:8px 0 12px 20px}
ol.tools li{margin:8px 0}
footer{margin-top:28px;padding-top:14px;border-top:1px solid var(--line);color:var(--muted);font-size:13.5px}
footer a{color:var(--muted)}