:root{--fg-rust:#c2410c;--fg-rust-d:#9a3412;--fg-coal:#18181b;--fg-cream:#fffbeb;--fg-ember:#f97316;--fg-line:#e7e5e4;--fg-muted:#78716c;--fg-card:#fff;--fg-rail-w:min(1120px,100% - 32px);--fg-gantry-h:56px;--fg-r:10px;--fg-shadow:0 12px 32px rgba(24,24,27,0.1)}*,*::before,*::after{box-sizing:border-box}body.layout-crimsonforge{margin:0;overflow-x:clip;background:var(--fg-cream);color:var(--fg-coal);font-family:"Segoe UI",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}body.layout-crimsonforge.fg-foundry-body,body.layout-crimsonforge.fg-hearth-body,body.layout-crimsonforge.fg-dispatch-body,body.layout-crimsonforge.fg-beacon-body,body.layout-crimsonforge.fg-ledger-body,body.layout-crimsonforge.fg-spark-body,body.layout-crimsonforge.fg-brand-body,body.layout-crimsonforge.fg-revision-body,body.layout-crimsonforge.fg-kit-body,body.layout-crimsonforge.fg-charter-body{padding:0}body.layout-crimsonforge #main-content{padding:0;max-width:none;width:100%}.fg-foundry{min-height:100vh;display:flex;flex-direction:column;min-width:0}.fg-main{flex:1;display:flex;flex-direction:column;min-width:0}.fg-rail{width:var(--fg-rail-w);margin-inline:auto;padding-inline:16px}.fg-gantry{position:sticky;top:0;z-index:500;background:var(--fg-coal);border-bottom:1px solid rgba(255,255,255,0.08);box-shadow:0 4px 20px rgba(0,0,0,0.15)}.fg-gantry__bar{display:grid;grid-template-columns:auto 1fr auto;gap:12px 20px;align-items:center;max-width:min(1200px,100%);margin-inline:auto;padding:0 16px;min-height:var(--fg-gantry-h)}.fg-gantry__brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:#fff;min-width:0}.fg-gantry__mark{width:28px;height:28px;border-radius:6px;flex-shrink:0}.fg-gantry__brand-text{display:flex;flex-direction:column;gap:1px;min-width:0}.fg-gantry__brand-text strong{font-size:14px;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.fg-gantry__brand-text small{font-size:10px;color:#a8a29e;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:20ch}.fg-gantry__tabs{display:flex;justify-content:center;gap:4px;flex-wrap:wrap;min-width:0}.fg-gantry__tab{padding:8px 14px;font-size:13px;font-weight:700;text-decoration:none;color:#d6d3d1;border-bottom:2px solid transparent;transition:color 0.15s,border-color 0.15s}.fg-gantry__tab:hover{color:#fff}.fg-gantry__tab.is-active{color:var(--fg-ember);border-bottom-color:var(--fg-ember)}.fg-gantry__acts{display:flex;gap:8px;align-items:center}.fg-gantry__ghost{font-size:12px;font-weight:700;color:#d6d3d1;text-decoration:none;padding:6px 10px}.fg-gantry__ghost:hover{color:#fff}.fg-gantry__cta{padding:8px 14px;border-radius:6px;font-size:12px;font-weight:800;text-decoration:none;color:#fff;background:var(--fg-rust)}.fg-gantry__cta:hover{background:var(--fg-ember)}.fg-gantry__menu{display:none;position:relative}.fg-gantry__menu-btn{list-style:none;width:36px;height:36px;border-radius:8px;border:1px solid rgba(255,255,255,0.15);background:transparent;cursor:pointer;display:grid;place-items:center}.fg-gantry__menu-btn::-webkit-details-marker{display:none}.fg-gantry__menu-btn span,.fg-gantry__menu-btn span::before,.fg-gantry__menu-btn span::after{display:block;width:16px;height:2px;background:#fff;border-radius:2px}.fg-gantry__menu-btn span{position:relative}.fg-gantry__menu-btn span::before,.fg-gantry__menu-btn span::after{content:"";position:absolute;left:0}.fg-gantry__menu-btn span::before{top:-5px}.fg-gantry__menu-btn span::after{top:5px}.fg-gantry__menu-panel{position:absolute;right:0;top:calc(100% + 8px);min-width:180px;padding:10px;border-radius:10px;background:var(--fg-coal);border:1px solid rgba(255,255,255,0.1);display:grid;gap:4px}.fg-gantry__menu-panel a{padding:10px 12px;border-radius:6px;font-size:13px;font-weight:600;text-decoration:none;color:#e7e5e4}.fg-gantry__menu-panel a:hover{background:rgba(255,255,255,0.08);color:var(--fg-ember)}@media (max-width:820px){.fg-gantry__bar{grid-template-columns:1fr auto}.fg-gantry__tabs,.fg-gantry__acts{display:none}.fg-gantry__menu{display:block;justify-self:end}}.fg-keel{background:var(--fg-coal);color:#d6d3d1;border-top:3px solid var(--fg-rust);margin-top:auto}.fg-keel__inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 20px;padding:16px 0}.fg-keel__brand{display:flex;align-items:center;gap:10px;min-width:0}.fg-keel__mark{width:32px;height:32px;border-radius:6px}.fg-keel__title{font-size:13px;font-weight:800;color:#fff;margin:0}.fg-keel__tag{font-size:11px;color:#a8a29e;margin:2px 0 0;max-width:36ch}.fg-keel__chips{display:flex;flex-wrap:wrap;gap:6px}.fg-chip{display:inline-flex;padding:5px 12px;border-radius:999px;font-size:11px;font-weight:700;text-decoration:none;background:rgba(255,255,255,0.06);color:#e7e5e4;border:1px solid rgba(255,255,255,0.1)}.fg-chip:hover{background:rgba(249,115,22,0.15);color:var(--fg-ember);border-color:var(--fg-ember)}.fg-keel__meta{font-size:11px;color:#a8a29e;text-align:right}.fg-keel__meta a{color:#d6d3d1}.fg-keel__copy{margin:0;font-size:10px;color:#78716c}.fg-trail{margin:0 0 12px}.fg-trail__list{display:flex;flex-wrap:wrap;gap:6px;list-style:none;margin:0;padding:0;font-size:12px;font-weight:600;color:var(--fg-muted)}.fg-trail__list li:not(:last-child)::after{content:"/";margin-left:6px;color:var(--fg-line)}.fg-trail__list a{color:var(--fg-rust);text-decoration:none}.fg-trail__list a:hover{color:var(--fg-ember)}.fg-trail__list span[aria-current]{color:var(--fg-coal)}.fg-panel{background:var(--fg-card);border:1px solid var(--fg-line);border-radius:var(--fg-r);overflow:hidden}.fg-panel__frame{display:block;line-height:0}.fg-panel__frame img{width:100%;height:auto;display:block;object-fit:cover}.fg-btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 18px;border-radius:6px;font-size:13px;font-weight:800;text-decoration:none;border:2px solid transparent;cursor:pointer}.fg-btn--xs{padding:6px 12px;font-size:12px}.fg-btn--accent{color:#fff;background:var(--fg-rust)}.fg-btn--accent:hover{background:var(--fg-ember)}.fg-btn--ghost{background:#fff;border-color:var(--fg-line);color:var(--fg-rust)}.fg-btn--ghost:hover{border-color:var(--fg-ember);color:var(--fg-ember)}.fg-btn--light{background:transparent;border-color:rgba(255,255,255,0.35);color:#fff}.fg-btn--bolt{color:#fff;background:var(--fg-ember)}.fg-btn--outline{background:#fff;border-color:var(--fg-rust);color:var(--fg-rust)}.fg-sec-h,.fg-hearth__sec-h{font-size:clamp(1.25rem,2.5vw,1.6rem);font-weight:900;margin:0 0 16px;color:var(--fg-coal)}.fg-brand,.fg-revision,.fg-kit{background:var(--fg-cream)}.fg-brand__sec-h,.fg-revision__sec-h{font-size:clamp(1.2rem,2.5vw,1.55rem);font-weight:900;margin:0 0 10px;color:var(--fg-coal)}.fg-brand__sec-h--light,.fg-revision__sec-h--light{color:#fff}.fg-brand__sec-lede,.fg-revision__sec-note{margin:0 0 18px;font-size:14px;color:var(--fg-muted);max-width:56ch}.fg-brand__faq-list{display:grid;gap:0}.fg-brand__sec-lede--light{color:#fecaca}.fg-brand__sec-lede--center{text-align:center;margin-inline:auto}.fg-miss{min-height:50vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:48px 16px}.fg-miss__code{font-size:72px;font-weight:900;color:var(--fg-rust);line-height:1;margin:0}.fg-miss h1{margin:12px 0 8px}.fg-miss p{color:var(--fg-muted);max-width:40ch}.fg-miss__act{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap;justify-content:center}body.layout-crimsonforge .fg-rail.container,body.layout-crimsonforge .container.fg-rail{max-width:var(--fg-rail-w);margin-left:auto;margin-right:auto}.fg-hearth__bento-card-n{font-size:18px;font-weight:900;color:var(--fg-rust);display:block;margin-bottom:4px}.fg-hearth .fg-chip{background:#fff;color:var(--fg-coal);border-color:var(--fg-line)}.fg-hearth .fg-chip:hover{border-color:var(--fg-rust);color:var(--fg-rust)}.fg-miss{min-height:50vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:48px 16px}.fg-miss__code,.fg-miss__halo + .fg-miss__code{font-size:72px;font-weight:900;color:var(--fg-rust)}