.worksheet-page-shell{width:min(1180px,calc(100% - 32px));margin:0 auto;padding:22px 0 52px}
.worksheet-breadcrumbs{font-size:.88rem;color:#64748b;margin:2px 0 18px}.worksheet-breadcrumbs a{color:#2563eb;text-decoration:none}
.worksheet-hero,.worksheet-info-card,.worksheet-directory,.worksheet-seo-card{background:#fff;border:1px solid #e2e8f0;border-radius:22px;box-shadow:0 12px 34px rgba(15,23,42,.06)}
.worksheet-hero{padding:28px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:20px;align-items:center;margin-bottom:20px}
.worksheet-eyebrow{display:inline-block;font-weight:800;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:#2563eb;margin-bottom:8px}
.worksheet-hero h1{margin:0 0 10px;font-size:clamp(1.75rem,3vw,2.5rem);line-height:1.12}.worksheet-hero p{margin:0;color:#475569;max-width:780px;line-height:1.7}
.worksheet-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}.worksheet-button{appearance:none;border:0;border-radius:12px;padding:11px 16px;font:inherit;font-weight:800;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:7px;background:#1769ff;color:#fff}.worksheet-button.secondary{background:#eef4ff;color:#174ea6;border:1px solid #cfe0ff}.worksheet-button.ghost{background:#fff;color:#334155;border:1px solid #cbd5e1}
.worksheet-sheet{background:#fff;color:#172033;border:1px solid #dbe4ef;border-radius:18px;box-shadow:0 18px 48px rgba(15,23,42,.09);padding:28px;margin:0 auto 22px;max-width:900px}
.worksheet-sheet-head{display:flex;justify-content:space-between;gap:18px;align-items:flex-start;border-bottom:2px solid #dbeafe;padding-bottom:14px;margin-bottom:16px}.worksheet-brand{font-weight:900;color:#1556c0}.worksheet-sheet h2{margin:4px 0 4px;font-size:1.45rem}.worksheet-subtitle{margin:0;color:#64748b;font-size:.92rem}.worksheet-name-row{display:flex;gap:18px;margin:12px 0 16px;font-size:.9rem}.worksheet-name-row span{flex:1;border-bottom:1px solid #94a3b8;padding-bottom:4px;color:#475569}
.worksheet-keyset{display:flex;flex-wrap:wrap;gap:7px;margin:10px 0 16px}.worksheet-key{min-width:34px;padding:7px 9px;border:1px solid #bfdbfe;background:#eff6ff;border-radius:8px;text-align:center;font:700 .88rem/1 'JetBrains Mono',monospace;color:#174ea6}
.worksheet-section{margin-top:15px}.worksheet-section h3{font-size:.98rem;margin:0 0 7px;color:#0f172a}.worksheet-section p{margin:0 0 7px;color:#475569;font-size:.86rem;line-height:1.55}.worksheet-fingers{width:100%;border-collapse:collapse;font-size:.82rem}.worksheet-fingers th,.worksheet-fingers td{border:1px solid #dbe4ef;padding:6px 8px;text-align:left}.worksheet-fingers th{background:#f8fafc}
.worksheet-practice-box{border:1px solid #dbe4ef;border-radius:12px;padding:11px 13px;background:#fbfdff}.worksheet-practice-line{font:600 .92rem/1.7 'JetBrains Mono',monospace;letter-spacing:.03em;border-bottom:1px dotted #cbd5e1;min-height:28px;word-break:break-word}.worksheet-write-line{height:28px;border-bottom:1px solid #94a3b8;margin-top:5px}.worksheet-tip{display:flex;gap:9px;background:#f0f7ff;border-left:4px solid #3b82f6;padding:10px 12px;border-radius:8px;margin-top:15px;font-size:.84rem;color:#334155}
.worksheet-info-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:0 0 22px}.worksheet-info-card{padding:18px}.worksheet-info-card h2,.worksheet-info-card h3{margin:0 0 7px;font-size:1rem}.worksheet-info-card p{margin:0;color:#64748b;line-height:1.55;font-size:.9rem}
.worksheet-directory,.worksheet-seo-card{padding:24px;margin-top:20px}.worksheet-directory h2,.worksheet-seo-card h2{margin:0 0 8px}.worksheet-directory>p,.worksheet-seo-card>p{color:#64748b;line-height:1.7}.worksheet-card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:15px}.worksheet-card{display:block;text-decoration:none;color:inherit;border:1px solid #dbe4ef;border-radius:14px;padding:16px;background:#fbfdff}.worksheet-card:hover{border-color:#9fc0ff;box-shadow:0 8px 22px rgba(37,99,235,.08)}.worksheet-card strong{display:block;margin-bottom:6px;color:#0f172a}.worksheet-card span{color:#64748b;font-size:.86rem;line-height:1.45}
.worksheet-faq details{border-top:1px solid #e2e8f0;padding:11px 0}.worksheet-faq summary{font-weight:800;cursor:pointer}.worksheet-faq p{margin:7px 0 0;color:#64748b}
html[data-theme="dark"] .worksheet-hero,html[data-theme="dark"] .worksheet-info-card,html[data-theme="dark"] .worksheet-directory,html[data-theme="dark"] .worksheet-seo-card{background:#111827;border-color:#263244;color:#e5eefc}html[data-theme="dark"] .worksheet-hero p,html[data-theme="dark"] .worksheet-info-card p,html[data-theme="dark"] .worksheet-directory>p,html[data-theme="dark"] .worksheet-seo-card>p{color:#aab7ca}html[data-theme="dark"] .worksheet-card{background:#0f172a;border-color:#2b3a50}html[data-theme="dark"] .worksheet-card strong{color:#e5eefc}html[data-theme="dark"] .worksheet-card span{color:#aab7ca}
@media(max-width:850px){.worksheet-hero{grid-template-columns:1fr}.worksheet-actions{justify-content:flex-start}.worksheet-info-grid{grid-template-columns:1fr}.worksheet-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:540px){.worksheet-page-shell{width:min(100% - 18px,1180px);padding-top:12px}.worksheet-hero,.worksheet-directory,.worksheet-seo-card{padding:18px;border-radius:16px}.worksheet-card-grid{grid-template-columns:1fr}.worksheet-sheet{padding:17px;border-radius:13px}.worksheet-sheet-head{display:block}.worksheet-name-row{display:block}.worksheet-name-row span{display:block;margin-bottom:10px}.worksheet-actions .worksheet-button{width:100%}}
@page{size:A4 portrait;margin:9mm}
@media print{
  html,body{background:#fff!important;color:#111!important}.universal-site-header,.universal-site-footer,.worksheet-breadcrumbs,.worksheet-hero,.worksheet-info-grid,.worksheet-directory,.worksheet-seo-card,.worksheet-screen-only{display:none!important}
  .worksheet-page-shell{width:100%;margin:0;padding:0}.worksheet-sheet{display:block!important;max-width:none;width:auto;border:0;border-radius:0;box-shadow:none;padding:0;margin:0;font-size:10.5pt}.worksheet-sheet-head{margin-bottom:9px;padding-bottom:8px}.worksheet-sheet h2{font-size:17pt}.worksheet-section{margin-top:9px}.worksheet-section h3{font-size:10.5pt;margin-bottom:4px}.worksheet-section p{font-size:9pt}.worksheet-keyset{margin:5px 0 9px}.worksheet-key{padding:4px 6px;min-width:26px;font-size:9pt}.worksheet-fingers{font-size:8.5pt}.worksheet-fingers th,.worksheet-fingers td{padding:4px 5px}.worksheet-practice-box{padding:6px 8px}.worksheet-practice-line{font-size:9pt;line-height:1.45;min-height:21px}.worksheet-write-line{height:22px}.worksheet-tip{padding:6px 8px;margin-top:9px;font-size:8.5pt}.worksheet-name-row{margin:7px 0 9px}.worksheet-brand{font-size:10pt}
}