:root{--color-canvas:#f7f5f1;--color-surface:#fff;--color-surface-muted:#eeece7;--color-ink:#171716;--color-ink-muted:#67645f;--color-ink-inverse:#fff;--color-border:#d9d5ce;--color-border-strong:#8f8b84;--color-action:#e24b3b;--color-action-hover:#c83b2e;--color-orbit-body:#ef7a32;--color-focus:#1769aa;--color-success:#26734d;--color-warning:#8a5b08;--color-error:#b52b32;--color-dark-canvas:#0f0f0e;--color-dark-surface:#252422;--color-overlay:#0f0f0eb8;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-mono:"SFMono-Regular", Consolas, "Liberation Mono", monospace;--text-display:clamp(3rem, 9vw, 7.5rem);--text-h1:clamp(2.25rem, 6vw, 4.75rem);--text-h2:clamp(1.75rem, 4vw, 3rem);--text-h3:1.375rem;--text-lead:1.125rem;--text-body:1rem;--text-small:.875rem;--text-meta:.75rem;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--space-20:5rem;--space-24:6rem;--radius-small:.25rem;--radius-control:.375rem;--radius-panel:.75rem;--radius-pill:999rem;--border-width:.0625rem;--focus-width:.1875rem;--target-min:2.75rem;--choice-min:9rem;--footer-column-min:18rem;--worldline-width:64rem;--hero-copy-width:34rem;--hero-panel-height:clamp(34rem, 48vw, 42rem);--qr-size:15rem;--icon-stroke:.125rem;--layer-modal:20;--content-width:72rem;--reading-width:62rem;--form-width:42rem;--transition-press:.12s ease-out;--transition-standard:.22s ease-in-out;--transition-wait:.8s linear;--transition-entrance:.5s cubic-bezier(.16, 1, .3, 1);--transition-hero-visual:.76s cubic-bezier(.16, 1, .3, 1);--transition-hero-stagger:60ms;--transition-signal:1.8s ease-in-out}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth;scrollbar-gutter:stable}body{min-height:100dvh;color:var(--color-ink);background:var(--color-canvas);font-family:var(--font-sans);font-size:var(--text-body);text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;margin:0;line-height:1.65}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit}:focus-visible{outline:var(--focus-width) solid var(--color-focus);outline-offset:var(--space-1)}h1,h2,h3,p{margin-block-start:0}h1,h2,h3{letter-spacing:-.035em;line-height:1.08}.container{width:min(100% - var(--space-8), var(--content-width));margin-inline:auto}.reading-width{max-width:var(--reading-width)}.eyebrow{font-family:var(--font-mono);font-size:var(--text-meta);letter-spacing:.1em;text-transform:uppercase;margin-block-end:var(--space-4);font-weight:600}.muted{color:var(--color-ink-muted)}.stack{gap:var(--space-4);display:grid}.action{min-height:var(--target-min);border:var(--border-width) solid transparent;border-radius:var(--radius-control);padding:var(--space-3) var(--space-5);color:var(--color-ink-inverse);background:var(--color-action);cursor:pointer;justify-content:center;align-items:center;gap:var(--space-2);transition:transform var(--transition-press), background-color var(--transition-press);font-weight:650;line-height:1.2;text-decoration:none;display:inline-flex}.loading-indicator{inline-size:var(--space-5);block-size:var(--space-5);border:var(--icon-stroke) solid currentcolor;border-radius:var(--radius-pill);animation:loading-indicator-spin var(--transition-wait) infinite;border-inline-end-color:#0000;flex:none}@keyframes loading-indicator-spin{to{transform:rotate(1turn)}}.action:hover{background:var(--color-action-hover)}.action:active{transform:scale(.98)}.action:disabled{color:var(--color-ink-muted);background:var(--color-surface-muted);cursor:not-allowed}.action--dark{background:var(--color-ink)}.action--dark:hover{background:var(--color-dark-surface)}.action--secondary{border-color:var(--color-border-strong);color:var(--color-ink);background:0 0}.action--secondary:hover{background:var(--color-surface-muted)}.action-row{gap:var(--space-3);flex-wrap:wrap;display:flex}.panel{border:var(--border-width) solid var(--color-border);border-radius:var(--radius-panel);padding:var(--space-6);background:var(--color-surface)}.form-page{width:min(100%, var(--form-width));margin-inline:auto}.field{gap:var(--space-2);display:grid}.field label,.field legend{font-size:var(--text-small);font-weight:650}.field input{min-height:var(--target-min);border:var(--border-width) solid var(--color-border-strong);border-radius:var(--radius-control);padding:var(--space-3) var(--space-4);color:var(--color-ink);background:var(--color-surface)}.field input[aria-invalid=true]{border-color:var(--color-error)}.field-error{color:var(--color-error);font-size:var(--text-small)}.choice-grid{grid-template-columns:repeat(auto-fit, minmax(min(var(--choice-min), 100%), 1fr));gap:var(--space-3);display:grid}.choice{min-height:var(--target-min);place-content:center space-between;gap:var(--space-1);border:var(--border-width) solid var(--color-border);border-radius:var(--radius-control);padding:var(--space-4);cursor:pointer;display:flex}.choice-text{flex-direction:column;justify-content:center;display:flex}.choice:has(input:checked){border-color:var(--color-action);background:var(--color-canvas)}.status-label{border-radius:var(--radius-pill);width:fit-content;padding:var(--space-1) var(--space-3);color:var(--color-warning);background:var(--color-surface-muted);font-size:var(--text-meta);font-weight:650;display:inline-flex}.skip-link{z-index:10;padding:var(--space-3);color:var(--color-ink-inverse);background:var(--color-focus);position:fixed;inset-block-start:var(--space-2);inset-inline-start:var(--space-2);transform:translateY(-150%)}.skip-link:focus{transform:translateY(0)}.fatal-error{width:min(100% - var(--space-8), var(--reading-width));margin:var(--space-24) auto}@media (width>=48rem){.container{width:min(100% - var(--space-12), var(--content-width))}}