:root{--bg: #eef0ec;--surface: #f8f9f6;--line: #d3d8ce;--text: #232a28;--muted: #68746e;--accent: #2e5d68}@media(prefers-color-scheme:dark){:root{--bg: #131817;--surface: #1b2120;--line: #313b38;--text: #e2e8e4;--muted: #8fa09a;--accent: #7fb3bf}}*{box-sizing:border-box}html{-webkit-tap-highlight-color:transparent}body{margin:0;background:var(--bg);color:var(--text);font-family:Segoe UI,system-ui,sans-serif;line-height:1.6}a{color:var(--accent)}.wrap{max-width:740px;margin:0 auto;padding:20px 16px 60px}.site-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0;margin-bottom:28px;border-bottom:1px solid var(--line)}.site-head .brand{font-family:Palatino Linotype,Book Antiqua,Georgia,serif;font-weight:600;font-size:19px;color:var(--text);text-decoration:none}.site-nav{display:flex;gap:18px;font-size:14px}.site-nav a{color:var(--muted);text-decoration:none}.site-nav a:hover{color:var(--accent)}article h1{font-family:Palatino Linotype,Book Antiqua,Georgia,serif;font-size:clamp(26px,4vw,34px);line-height:1.15;margin:0 0 6px}article .kicker{color:var(--accent);font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase}article .lede{color:var(--muted);font-size:16px;margin:10px 0 28px}article h2{font-size:20px;margin:32px 0 10px}article p{margin:0 0 16px;font-size:15.5px}article ul{margin:0 0 16px;padding-left:20px}article li{margin:4px 0;font-size:15.5px}.play-cta{display:inline-block;margin:10px 0 8px;padding:10px 20px;border-radius:8px;background:var(--accent);color:var(--surface);text-decoration:none;font-weight:600;font-size:14.5px}.scenario-list{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin:18px 0}.scenario-list h2{margin-top:0;font-size:15px}.guide-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px;margin-top:20px}.guide-card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:14px 16px;text-decoration:none;color:var(--text)}.guide-card .era{color:var(--accent);font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase}.guide-card h3{margin:4px 0 6px;font-size:16px}.guide-card p{margin:0;color:var(--muted);font-size:13px}.site-foot{margin-top:48px;padding-top:18px;border-top:1px solid var(--line);color:var(--muted);font-size:13px;display:flex;flex-wrap:wrap;gap:6px 16px;justify-content:space-between}.site-foot a{color:var(--muted)}