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1px rgba(255,255,255,.18)}.theme-picker-preview code{font-size:12px;font-weight:500;opacity:.92;background:rgba(0,0,0,.18);padding:3px 8px;border-radius:6px}.theme-picker-presets{display:grid;grid-template-columns:repeat(11,minmax(0,1fr));grid-gap:8px;gap:8px}.theme-swatch{aspect-ratio:1;border:2px solid transparent;border-radius:10px;cursor:pointer;box-shadow:inset 0 0 0 1px rgba(15,28,46,.12);transition:transform .15s var(--ease-out),box-shadow .15s var(--ease-out)}.theme-swatch:hover{transform:translateY(-1px)}.theme-swatch.is-active{box-shadow:0 0 0 2px var(--surface),0 0 0 4px var(--primary)}.theme-picker-custom{display:flex;flex-wrap:wrap;gap:12px 16px;align-items:center}.theme-picker-custom-label,.theme-picker-hex{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted)}.theme-picker-custom-label input[type=color]{width:42px;height:32px;padding:0;border:1px solid var(--border);border-radius:8px;background:var(--surface);cursor:pointer}.theme-picker-hex input[type=text]{width:108px;padding:7px 10px;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:13px}.theme-picker-footer{display:flex;align-items:center;gap:10px}.account-page-row-theme{flex-direction:column;align-items:stretch;gap:14px}.account-page-theme-body{width:100%}@media (max-width:720px){.theme-picker-presets{grid-template-columns:repeat(6,minmax(0,1fr))}}.help-shell{min-height:100vh;background:radial-gradient(ellipse 60% 40% at 100% 0,rgba(59,130,196,.14),transparent 55%),linear-gradient(180deg,#eef1f7,#e8ecf2)}.help-layout{display:grid;grid-template-columns:minmax(220px,260px) minmax(0,1fr);grid-gap:0;gap:0;max-width:1120px;margin:0 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var(--border);border-radius:14px;box-shadow:var(--shadow)}.help-section{scroll-margin-top:24px;margin-bottom:28px;padding:22px 24px;background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow)}.help-section h2{font-size:18px;margin-bottom:10px;color:var(--ink)}.help-section>p{color:var(--text-muted);margin-bottom:12px}.help-steps{margin:0 0 12px;padding-left:20px;color:var(--text)}.help-steps li+li{margin-top:8px}.help-bullets{margin:0 0 12px;padding-left:20px;color:var(--text)}.help-bullets li+li{margin-top:6px}.help-tip{margin-top:12px;padding:12px 14px;border-radius:12px;background:var(--primary-bg);border:1px solid rgba(41,82,163,.12);color:var(--text-muted);font-size:13px}.help-inline-link{color:var(--primary);font-weight:600;text-decoration:none}.help-inline-link:hover{text-decoration:underline}.help-faq{display:flex;flex-direction:column;gap:14px}.help-faq dt{font-weight:600;color:var(--ink);margin-bottom:4px}.help-faq dd{margin:0;color:var(--text-muted);font-size:13px}.help-footer{margin-top:8px;padding-top:18px;border-top:1px solid var(--border);color:var(--text-dim);font-size:12px}.help-footer-muted{margin-top:4px}@media (max-width:860px){.help-layout{grid-template-columns:1fr}.help-nav{position:static;height:auto;border-right:none;border-bottom:1px solid var(--border)}.help-nav nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:6px;gap:6px}.help-main{padding:24px 18px 48px}.help-hero h1{font-size:22px}}