:root{--ink:#1c3c5e;--ink-deep:#15304b;--ink-900:#0f2236;--ink-50:#eef2f7;--gold:#1c3c5e;--gold-soft:#3a5b7e;--gold-deep:#15304b;--gold-line:#1c3c5e38;--gold-faint:#1c3c5e12;--paper:#f4f6f8;--paper-deep:#eaeef2;--surface:#fff;--surface-2:#f7f9fb;--hairline:#e2e6ea;--hairline-soft:#edf0f3;--text:#1b2733;--text-muted:#5d6b78;--text-faint:#97a2ad;--text-invert:#f3f6fa;--success:#2f7d5b;--success-bg:#e7f4ec;--warning:#9a6b1f;--warning-bg:#f6edd8;--error:#c0392b;--error-bg:#fae8e6;--font-serif:"Hanken Grotesk", "Noto Sans SC", system-ui, -apple-system, "PingFang SC", sans-serif;--font-sans:"Hanken Grotesk", "Noto Sans SC", system-ui, -apple-system, "PingFang SC", sans-serif;--font-mono:ui-monospace, "Cascadia Code", "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;--step--1:.82rem;--step-0:1rem;--step-1:1.25rem;--step-2:1.563rem;--step-3:1.953rem;--step-4:2.441rem;--measure:64ch;--r-xs:2px;--r-sm:5px;--r-md:8px;--r-lg:12px;--r-pill:999px;--sh-sm:0 1px 1px #1c3c5e0a, 0 2px 4px #1c3c5e0a;--sh-md:0 1px 2px #1c3c5e0a, 0 8px 22px -10px #1c3c5e29;--sh-lg:0 2px 4px #1c3c5e0d, 0 24px 50px -24px #1b273338}*{box-sizing:border-box;margin:0;padding:0}html{overflow-x:clip}body{font-family:var(--font-sans);background-color:var(--paper);color:var(--text);min-height:100vh;font-size:var(--step-0);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizelegibility;font-feature-settings:"kern" 1, "liga" 1}:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:2px}.input:focus-visible{outline:none}.nav-item{cursor:pointer;font-family:var(--font-sans);color:var(--text-muted);letter-spacing:.01em;background:0 0;border:none;padding:6px 0;font-size:.9rem;transition:color 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var(--gold-line))}.rule:after{background:linear-gradient(270deg, transparent, var(--hairline) 40%, var(--gold-line))}.rule .diamond{background:var(--gold);width:4px;height:4px;box-shadow:0 0 0 3px var(--gold-faint);transform:rotate(45deg)}#root{z-index:1;position:relative}.container{max-width:1080px;margin:0 auto;padding:0 24px}.stack{flex-direction:column;display:flex}.row{align-items:center;display:flex}.center{justify-content:center;align-items:center;display:flex}.spread{justify-content:space-between;align-items:center;display:flex}.topbar{-webkit-backdrop-filter:saturate(115%)blur(8px);backdrop-filter:saturate(115%)blur(8px);z-index:20;background:#f4f6f8d9;position:sticky;top:0}.topbar:after{content:"";background:linear-gradient(90deg, transparent, var(--hairline) 12%, var(--hairline) 88%, 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9px);pointer-events:none;position:absolute;inset:14px}.btn{font-family:var(--font-sans);letter-spacing:.12em;text-transform:uppercase;border-radius:var(--r-sm);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:9px;padding:13px 26px;font-size:.8rem;font-weight:600;transition:background .25s,color .25s,border-color .25s,box-shadow .25s,transform 60ms;display:inline-flex}.btn-primary{background:var(--ink);color:var(--text-invert);box-shadow:var(--sh-sm), inset 0 1px 0 #ffffff14}.btn-primary:hover{background:var(--ink-deep);box-shadow:var(--sh-md), inset 0 1px 0 #ffffff1a}.btn-ghost{color:var(--ink);border-color:var(--gold-line);background:0 0}.btn-ghost:hover{border-color:var(--gold);color:var(--gold-deep);background:var(--gold-faint)}.btn-quiet{color:var(--text-muted);letter-spacing:.04em;text-transform:none;background:0 0;border:none;padding:8px 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0}.lp-leg:not(:first-child){margin-top:20px}}@media (width<=640px){:root{--step-4:2.1rem;--step-3:1.7rem}.card{padding:28px 22px}}.qr-btn{cursor:pointer;-webkit-tap-highlight-color:transparent;background:0 0;border:none;border-radius:6px;flex-shrink:0;padding:0;display:inline-flex;position:relative}.qr-btn:focus-visible{outline:2px solid var(--gold);outline-offset:3px}.qr-expand{background:var(--ink);width:22px;height:22px;color:var(--text-invert);box-shadow:var(--sh-sm);border:1px solid #ffffff40;border-radius:50%;justify-content:center;align-items:center;display:flex;position:absolute;bottom:-6px;right:-6px}.qr-overlay{z-index:100;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0f2236b8;justify-content:center;align-items:center;padding:24px;animation:.2s qr-fade;display:flex;position:fixed;inset:0}@keyframes qr-fade{0%{opacity:0}to{opacity:1}}.qr-modal{background:var(--surface);border-radius:var(--r-lg);box-shadow:var(--sh-lg);width:380px;max-width:92vw;padding:26px;position:relative}.qr-modal-frame{border:1px solid var(--hairline);border-radius:var(--r-md);background:#fff;justify-content:center;align-items:center;padding:16px;display:flex}.qr-modal-frame img{width:min(74vw,316px);height:min(74vw,316px);image-rendering:pixelated;display:block}.qr-close{background:var(--surface-2);width:34px;height:34px;color:var(--text-muted);cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;transition:background .2s,color .2s;display:flex;position:absolute;top:10px;right:10px}.qr-close:hover{background:var(--paper-deep);color:var(--ink)}html{-webkit-text-size-adjust:100%}.preview-row{flex-wrap:wrap;gap:20px;display:flex}@media (width<=900px){.preview-row{-webkit-overflow-scrolling:touch;scroll-snap-type:x 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