:root{--fh-surface:#ffffff;--fh-surface-2:#f3f4f6;--fh-canvas:#f7f7f5;--fh-ink:#16232e;--fh-ink-2:#4b5763;--fh-ink-3:#66717c;--fh-border:#e3e5e8;--fh-border-strong:#c9cdd2;--fh-brand:#0f5d7a;--fh-on-brand:#ffffff;--fh-brand-tint:#e3f0f5;--fh-brand-text:#0b4a61;--fh-danger:#a33a2e;--fh-ok:#1f7a4d;--fh-scrim:rgb(8 16 24/0.5);--fh-font:system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;--fh-shadow:0 10px 30px -10px rgb(8 16 24/0.35)}.fb-fab{position:fixed;right:var(--fh-fab-right,22px);bottom:var(--fh-fab-bottom,22px);z-index:var(--fh-fab-z,40);display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 16px 0 14px;border-radius:999px;border:1px solid var(--fh-border);background:var(--fh-surface);color:var(--fh-ink);font:500 14px/1 var(--fh-font);cursor:pointer;box-shadow:var(--fh-shadow);transition:background .15s,transform .05s}.fb-fab:hover{background:var(--fh-surface-2)}.fb-fab:active{transform:scale(.98)}.fb-fab:disabled{opacity:.7;cursor:progress}.fb-modal{position:fixed;inset:0;z-index:90;display:flex;align-items:center;justify-content:center;padding:24px;font-family:var(--fh-font)}.fb-scrim{position:absolute;inset:0;background:var(--fh-scrim)}.fb-dialog{position:relative;display:flex;flex-direction:column;width:min(1240px,100%);max-height:calc(100vh - 48px);background:var(--fh-surface);color:var(--fh-ink);border-radius:16px;box-shadow:0 30px 80px -20px rgb(8 16 24/.55);overflow:hidden}.fb-head{display:flex;align-items:center;gap:12px;padding:14px 16px 14px 20px;border-bottom:1px solid var(--fh-border)}.fb-badge{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:10px;background:var(--fh-brand-tint);color:var(--fh-brand-text)}.fb-head-names{display:flex;flex-direction:column;flex:1;min-width:0}.fb-head h2{margin:0;font-size:17px}.fb-head .num{font-size:12px;color:var(--fh-ink-3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.fb-x{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;padding:0;border:0;border-radius:10px;background:transparent;color:var(--fh-ink-2);cursor:pointer}.fb-x:hover{background:var(--fh-surface-2);color:var(--fh-ink)}.fb-body{display:flex;min-height:0;overflow:auto}.fb-stage{flex:1;min-width:0;display:flex;flex-direction:column;gap:12px;padding:18px 20px;background:var(--fh-surface-2)}.fb-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:4px;align-self:flex-start;padding:4px;background:var(--fh-surface);border:1px solid var(--fh-border);border-radius:12px}.fb-tool{display:inline-flex;align-items:center;gap:6px;min-height:34px;padding:0 10px;border:0;border-radius:8px;background:transparent;color:var(--fh-ink-2);font:500 13px/1 var(--fh-font);cursor:pointer}.fb-tool:hover{background:var(--fh-surface-2);color:var(--fh-ink)}.fb-tool.on{background:var(--fh-brand-tint);color:var(--fh-brand-text)}.fb-tool:disabled{opacity:.4}.fb-ink{width:22px;height:22px;padding:0;margin:0 3px;border-radius:50%;border:2px solid var(--fh-surface);box-shadow:0 0 0 1px var(--fh-border-strong);cursor:pointer}.fb-ink.on{box-shadow:0 0 0 2px var(--fh-ink)}.fb-sep{width:1px;height:22px;margin:0 6px;background:var(--fh-border)}.fb-canvas-wrap{width:100%;display:flex;justify-content:center}.fb-canvas-box{position:relative;border-radius:10px;overflow:hidden;border:1px solid var(--fh-border-strong);background:var(--fh-canvas)}.fb-canvas{display:block;touch-action:none;cursor:crosshair}.fb-canvas.tool-text{cursor:text}.fb-words{position:absolute;min-width:160px;padding:4px 8px;font-weight:700;font-size:15px;background:rgb(255 255 255/.92);border:2px solid;border-radius:6px}.fb-hint,.fb-note{margin:0;font-size:12.5px;color:var(--fh-ink-3)}.fb-side{width:380px;flex-shrink:0;display:flex;flex-direction:column;gap:12px;padding:18px 20px 20px;border-left:1px solid var(--fh-border)}.fb-label{font-size:14px;font-weight:600;color:var(--fh-ink)}.fb-side textarea{width:100%;min-height:150px;box-sizing:border-box;padding:10px 12px;font:14px/1.5 var(--fh-font);color:var(--fh-ink);background:var(--fh-surface);border:1px solid var(--fh-border-strong);border-radius:10px;resize:vertical}.fb-check{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--fh-border);border-radius:10px;font-size:14px;cursor:pointer}.fb-meta{display:grid;grid-template-columns:auto minmax(0,1fr);gap:6px 14px;margin:0;padding:12px 14px;border-radius:10px;background:var(--fh-surface-2);font-size:12.5px}.fb-meta dt{color:var(--fh-ink-3)}.fb-meta dd{margin:0;color:var(--fh-ink-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.fb-error{background:color-mix(in srgb,var(--fh-danger) 10%,var(--fh-surface));color:var(--fh-danger)}.fb-error,.fb-sent{margin:0;padding:8px 12px;border-radius:8px;font-size:13.5px}.fb-sent{background:color-mix(in srgb,var(--fh-ok) 10%,var(--fh-surface));color:var(--fh-ok)}.fb-actions{margin-top:auto;display:flex;justify-content:flex-end;gap:10px;padding-top:6px}.fb-button{display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:0 16px;border-radius:10px;border:1px solid var(--fh-border-strong);background:var(--fh-surface);color:var(--fh-ink);font:600 14px/1 var(--fh-font);cursor:pointer}.fb-button.primary{background:var(--fh-brand);border-color:var(--fh-brand);color:var(--fh-on-brand)}.fb-button:disabled{opacity:.6;cursor:default}@media (max-width:900px){.fb-modal{padding:0;align-items:stretch}.fb-dialog{max-height:none;height:100%;border-radius:0}.fb-body{flex-direction:column}.fb-side{width:auto;border-left:0;border-top:1px solid var(--fh-border);padding-bottom:calc(20px + env(safe-area-inset-bottom))}.fb-tool span{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.fb-fab-label{display:none}.fb-fab{padding:0 13px}}.fb-mine{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px;font-family:var(--fh-font)}.fb-mine li{padding-bottom:12px;border-bottom:1px solid var(--fh-border)}.fb-mine li:last-child{border-bottom:0;padding-bottom:0}.fb-mine p{margin:0 0 4px}.fb-mine-meta{font-size:12.5px;color:var(--fh-ink-3)}.fb-mine-page{font-family:ui-monospace,monospace}.fb-mine-body,.fb-mine-reply{white-space:pre-wrap;overflow-wrap:anywhere;color:var(--fh-ink)}.fb-mine-reply{padding:8px 10px;border-radius:8px;background:var(--fh-surface-2)}.fb-mine-when{font-size:12.5px}.fb-mine-none,.fb-mine-when{color:var(--fh-ink-3)}.fb-status{display:inline-block;padding:1px 8px;border-radius:999px;font-size:12px;background:var(--fh-surface-2);color:var(--fh-ink-2)}.fb-status-done{background:color-mix(in srgb,var(--fh-ok) 12%,var(--fh-surface));color:var(--fh-ok)}.fb-status-seen{background:var(--fh-brand-tint);color:var(--fh-brand-text)}:root{--fh-surface:var(--card);--fh-surface-2:var(--secondary);--fh-canvas:var(--background);--fh-ink:var(--foreground);--fh-ink-2:var(--secondary-foreground);--fh-ink-3:var(--muted-foreground);--fh-border:var(--border);--fh-border-strong:color-mix(in srgb,var(--foreground) 22%,var(--card));--fh-brand:var(--primary);--fh-on-brand:var(--primary-foreground);--fh-brand-tint:color-mix(in srgb,var(--primary) 12%,var(--card));--fh-brand-text:var(--primary);--fh-font:var(--font-sans)}@media (max-width:767px){.fb-fab.fb-fab-raised{bottom:calc(76px + env(safe-area-inset-bottom))}}