:root{--bg:#0d1110;--bg-alt:#141a18;--panel:#1a2220;--border:#2a3531;--text:#dfe7e3;--muted:#93a39c;--accent:#8bc34a;--accent-dim:#5c8033;--warn:#e0b64f;--link:#a4d65e}*{box-sizing:border-box}html{color-scheme:dark}body{margin:0;background:var(--bg);color:var(--text);font-family:Segoe UI,system-ui,-apple-system,Helvetica Neue,Arial,Noto Sans,sans-serif;line-height:1.65}.wrap{max-width:1080px;margin:0 auto;padding:0 20px}a{color:var(--link);text-decoration:none}a:hover{text-decoration:underline}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:10;background:rgba(13,17,16,.92);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}.header-inner{gap:24px;height:60px}.brand,.header-inner{display:flex;align-items:center}.brand{gap:10px;color:var(--text);font-weight:700}.brand:hover{text-decoration:none}.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border:1px solid var(--accent-dim);border-radius:6px;color:var(--accent);font-size:14px;letter-spacing:.5px}.brand-name{font-size:15px}.site-nav{display:flex;gap:18px;flex:1 1;overflow-x:auto}.site-nav a{color:var(--muted);font-size:14px;white-space:nowrap}.site-nav a:hover{color:var(--text);text-decoration:none}.steam-cta{background:var(--accent-dim);color:#fff;padding:7px 14px;border-radius:6px;font-size:13px;white-space:nowrap}.steam-cta:hover{background:var(--accent);color:#0d1110;text-decoration:none}.lang-switch{position:relative;flex-shrink:0}.lang-switch summary{list-style:none;display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border:1px solid var(--border);border-radius:6px;color:var(--muted);font-size:13px;white-space:nowrap;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none}.lang-switch summary::-webkit-details-marker{display:none}.lang-switch summary:hover,.lang-switch[open] summary{color:var(--text);border-color:var(--accent-dim)}.lang-current{max-width:120px;overflow:hidden;text-overflow:ellipsis}.lang-caret{font-size:10px}.lang-menu{position:absolute;top:calc(100% + 6px);right:0;z-index:30;min-width:180px;margin:0;padding:6px;list-style:none;background:var(--panel);border:1px solid var(--border);border-radius:10px;box-shadow:0 10px 28px rgba(0,0,0,.45)}.lang-menu a{display:block;padding:7px 10px;border-radius:6px;color:var(--text);font-size:14px;white-space:nowrap}.lang-menu a:hover{background:var(--bg-alt);text-decoration:none}.lang-menu a[aria-current=true]{color:var(--accent)}.prose{padding:28px 0 12px}.prose h1{font-size:34px;line-height:1.2;margin:0 0 14px}.prose h2{font-size:24px;margin:40px 0 12px;padding-top:8px;border-top:1px solid var(--border)}.prose h3{font-size:18px;margin:26px 0 8px;color:var(--accent)}.prose p{margin:12px 0}.prose ol,.prose ul{padding-left:24px}.prose li{margin:6px 0}.prose table{width:100%;border-collapse:collapse;margin:16px 0;font-size:14.5px}.prose td,.prose th{border:1px solid var(--border);padding:8px 12px;text-align:left;vertical-align:top}.prose th{background:var(--panel);color:var(--text)}.prose td{background:var(--bg-alt)}.prose blockquote{margin:16px 0;padding:4px 16px;border-left:3px solid var(--accent-dim);color:var(--muted)}.prose hr{border:none;border-top:1px solid var(--border);margin:32px 0}.prose code{background:var(--panel);padding:1px 6px;border-radius:4px;font-size:.9em}.prose img{max-width:100%}.figure{margin:24px 0 28px}.figure img{width:100%;height:auto;display:block;border:1px solid var(--border);border-radius:10px}.figure figcaption{color:var(--muted);font-size:13px;margin-top:8px}.figure-hero{margin-top:8px}.figure-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:16px;gap:16px;margin:24px 0 28px}.figure-grid .figure{margin:0}@media (max-width:720px){.figure-grid{grid-template-columns:1fr}}.hero{padding:48px 0 24px}.hero .kicker{color:var(--accent);text-transform:uppercase;letter-spacing:2px;font-size:12px;font-weight:700}.hero h1{font-size:44px;margin:8px 0 12px}.hero p.lede{font-size:18px;color:var(--muted);max-width:720px}.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 6px}.badge{border:1px solid var(--accent-dim);color:var(--accent);border-radius:999px;padding:5px 14px;font-size:13px;font-weight:600}.badge.badge-warn{border-color:var(--warn);color:var(--warn)}.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:14px;gap:14px;margin:18px 0}.card{display:block;background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:16px 18px;color:var(--text)}a.card:hover{border-color:var(--accent-dim);text-decoration:none}.card h3{margin:0 0 6px!important;font-size:16px}.card p{margin:0;color:var(--muted);font-size:14px}.glance{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));grid-gap:12px;gap:12px;margin:18px 0}.glance .cell{background:var(--bg-alt);border:1px solid var(--border);border-radius:8px;padding:12px 14px}.glance .cell .k{font-size:12px;text-transform:uppercase;letter-spacing:1px;color:var(--muted)}.glance .cell .v{font-size:15px;font-weight:600;margin-top:2px}.notice{border:1px solid var(--warn);background:rgba(224,182,79,.08);color:var(--warn);border-radius:8px;margin:20px 0}.fact,.notice{padding:12px 16px;font-size:14.5px}.fact{border:1px solid var(--border);background:var(--bg-alt);border-radius:8px;margin:16px 0;color:var(--muted)}.faq{padding:8px 0 40px}.faq h2{font-size:24px;margin:32px 0 12px;padding-top:8px;border-top:1px solid var(--border)}.faq-item{border:1px solid var(--border);border-radius:8px;background:var(--bg-alt);margin:8px 0;padding:0}.faq-item summary{cursor:pointer;padding:12px 16px;font-weight:600;list-style:none}.faq-item summary:before{content:"+";color:var(--accent);margin-right:10px}.faq-item[open] summary:before{content:"–"}.faq-item p{padding:0 16px 14px 42px;margin:0;color:var(--muted)}.guide-layout{display:grid;grid-template-columns:220px 1fr;grid-gap:36px;gap:36px}.guide-toc{position:-webkit-sticky;position:sticky;top:80px;align-self:start;border:1px solid var(--border);border-radius:10px;padding:14px 16px;background:var(--bg-alt);font-size:14px}.guide-toc strong{margin-bottom:8px;text-transform:uppercase;font-size:11px;letter-spacing:1px}.guide-toc a,.guide-toc strong{display:block;color:var(--muted)}.guide-toc a{padding:3px 0}.guide-toc a:hover{color:var(--text);text-decoration:none}@media (max-width:860px){.guide-layout{grid-template-columns:1fr}.guide-toc{position:static}.hero h1{font-size:32px}.site-nav{display:none}}.site-footer{border-top:1px solid var(--border);background:var(--bg-alt);margin-top:40px;padding:36px 0 28px}.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));grid-gap:24px;gap:24px}.footer-heading{font-size:12px;text-transform:uppercase;letter-spacing:1px;color:var(--muted);margin:0 0 8px}.site-footer ul{list-style:none;margin:0 0 16px;padding:0}.site-footer li{margin:4px 0}.site-footer a{color:var(--muted);font-size:14px}.site-footer a:hover{color:var(--text)}.footer-legal{margin-top:24px;max-width:760px}.footer-copy,.footer-legal{color:var(--muted);font-size:12.5px}.footer-copy{margin:4px 0 0}