:root{--ink:#182c3c;--muted:#506475;--blue:#0755c9;--blue-dark:#00398d;--wash:#edf4ff;--line:#dbe3ec;--surface:#f5f7fa;--white:#fff;--radius:16px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--surface);font-synthesis:none}*{box-sizing:border-box}body{margin:0;font-size:16px;line-height:1.6}a{color:var(--blue);text-underline-offset:4px}button,input,select,textarea{font:inherit}button,a,input,select,textarea,summary{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;opacity:.55}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid 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/* v1.1: selectable answer structures, document requests and accessible help. */
.choice-group{border:0;margin:0 0 20px;padding:0;min-width:0}.choice-group legend{font-size:.92rem;font-weight:700;padding:0;margin-bottom:4px}.choice-intro{font-size:.85rem;color:var(--muted);margin:0 0 10px;line-height:1.5}.choice-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px;align-items:start}.choice-card{border:1px solid var(--line);border-radius:9px;padding:9px 10px;min-width:0;background:white}.choice-card:has(input:checked){border-color:var(--blue);background:var(--wash)}.choice-top{display:flex;gap:7px;align-items:flex-start;justify-content:space-between}.choice-main{display:flex;gap:9px;align-items:flex-start;cursor:pointer;flex:1;font-size:.88rem;font-weight:650;line-height:1.45;min-height:36px;padding-top:4px}.choice-main input{width:17px;height:17px;flex-shrink:0;margin:2px 0 0;accent-color:var(--blue)}.choice-main small{display:block;font-size:.8rem;line-height:1.45;color:var(--muted);font-weight:400;margin-top:3px}.help-toggle{font-size:.9rem;font-weight:750;border:1px solid #becddd;color:var(--blue);border-radius:50%;background:white;width:30px;height:30px;flex-shrink:0;padding:0;line-height:1}.help-toggle[aria-expanded=true]{background:var(--blue);color:white}.tip-text{font-size:.875rem;line-height:1.55;color:var(--ink);padding:10px 0 1px;border-top:1px solid #cad8e9;margin:10px 0 0;overflow-wrap:anywhere}.quality-choice{min-width:0}.quality-choice .check{padding-top:5px;font-size:.87rem}.file-note{margin:12px 0 0;padding:12px;background:var(--surface);border-radius:8px}.share-section{border-top:1px solid var(--line);padding-top:18px;margin-top:8px}.share-section h3{font-size:.9rem;margin-bottom:10px}.share-actions{display:flex;flex-wrap:wrap;gap:10px}.share-actions button{flex:1;min-width:150px;font-size:.86rem}.faq-jump{display:flex;flex-wrap:wrap;gap:9px;margin:25px 0}.faq-jump a{border:1px solid var(--line);background:white;padding:7px 12px;border-radius:7px;font-size:.9rem;text-decoration:none}.faq-page section{scroll-margin-top:20px}.faq-page .faq p{color:var(--ink)}
@media(max-width:1050px){.nav-links{gap:14px}.nav-links .desktop-link:first-child{display:none}}
@media(max-width:760px){.nav{gap:12px}.nav-links{gap:12px}.help-toggle{width:36px;height:36px}.choice-card{padding:9px}.choice-main{font-size:.875rem}.share-actions button{min-height:44px}.faq-jump a{padding:9px 12px}}
@media(max-width:430px){.choice-grid{grid-template-columns:1fr}.checks{grid-template-columns:1fr}.nav-links{width:100%;justify-content:space-between}.quality-choice .check{min-height:34px}.hero h1{font-size:2rem}}