:root{--pbc-bg:#f8fafc;--pbc-card:#ffffff;--pbc-ink:#0f172a;--pbc-muted:#64748b;--pbc-line:#e2e8f0;--pbc-accent:#1d4ed8;--pbc-accent-dark:#1e40af;--pbc-green:#15803d;--pbc-green-bg:#dcfce7;--pbc-orange:#b45309;--pbc-orange-bg:#fef3c7;--pbc-red:#b91c1c;--pbc-red-bg:#fee2e2;--pbc-radius:14px;--pbc-font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}.pbc-tool{font-family:var(--pbc-font);color:var(--pbc-ink);background:var(--pbc-bg);border:1px solid var(--pbc-line);border-radius:var(--pbc-radius);padding:1.25rem;max-width:880px;margin:0 auto;line-height:1.55}.pbc-tool h1{font-size:1.5rem;margin:0 0 0.25rem;letter-spacing:-0.01em}.pbc-tagline{color:var(--pbc-muted);margin:0 0 1.25rem;font-size:0.95rem}.pbc-tool h2{font-size:1.2rem;margin:1.5rem 0 0.75rem}.pbc-tool h3{font-size:1.05rem;margin:1.25rem 0 0.5rem}.pbc-form{display:grid;gap:0.85rem}.pbc-field{display:grid;gap:0.3rem}.pbc-field label{font-weight:600;font-size:0.9rem}.pbc-tool select{width:100%;font:inherit;padding:0.65rem 0.75rem;border:1px solid var(--pbc-line);border-radius:10px;background:#fff;color:var(--pbc-ink);min-height:48px}.pbc-btn{font:inherit;font-weight:700;padding:0.8rem 1.25rem;border:0;border-radius:10px;background:var(--pbc-accent);color:#fff;cursor:pointer;min-height:52px}.pbc-btn:hover:not(:disabled){background:var(--pbc-accent-dark)}.pbc-btn:disabled{background:#94a3b8;cursor:not-allowed}.pbc-btn-ghost{background:#fff;color:var(--pbc-accent);border:1.5px solid var(--pbc-accent)}.pbc-btn-ghost:hover{background:#eff6ff}.pbc-toggle{font:inherit;background:none;border:0;color:var(--pbc-accent);font-weight:600;cursor:pointer;padding:0.5rem 0;text-align:left;text-decoration:underline;text-underline-offset:3px}#pbc-advanced{display:none}#pbc-advanced.pbc-open{display:grid;gap:0.85rem}.pbc-meta{font-size:0.82rem;color:var(--pbc-muted);margin:0.25rem 0 0}.pbc-error{background:var(--pbc-red-bg);color:var(--pbc-red);border-radius:10px;padding:0.8rem 1rem;font-weight:600}.pbc-tool select:focus-visible,.pbc-btn:focus-visible,.pbc-toggle:focus-visible,.pbc-tab:focus-visible{outline:3px solid #93c5fd;outline-offset:2px}#pbc-results[hidden]{display:none}.pbc-banner{border-radius:10px;padding:0.9rem 1.1rem;font-weight:800;font-size:1.05rem;margin:0.75rem 0 1.25rem}.pbc-band-green{background:var(--pbc-green-bg);color:var(--pbc-green)}.pbc-band-orange{background:var(--pbc-orange-bg);color:var(--pbc-orange)}.pbc-band-red{background:var(--pbc-red-bg);color:var(--pbc-red)}.pbc-stats{display:grid;grid-template-columns:1fr 1fr;gap:0.85rem;margin-bottom:0.5rem}.pbc-stats-3{grid-template-columns:repeat(3,1fr)}.pbc-stat-card{background:var(--pbc-card);border:1px solid var(--pbc-line);border-radius:var(--pbc-radius);padding:1rem 0.5rem;text-align:center}.pbc-stat-label{font-size:0.78rem;font-weight:700;color:var(--pbc-muted);text-transform:uppercase;letter-spacing:0.04em;margin-bottom:0.5rem}.pbc-donut{max-width:100%;height:auto}.pbc-stat-num{font-size:1.6rem;font-weight:800;margin-top:0.35rem}.pbc-stat-sm{font-size:1.25rem}.pbc-stat-den{font-size:1rem;color:var(--pbc-muted);font-weight:600}.pbc-list{margin:0.5rem 0 1rem;padding-left:1.25rem}.pbc-list li{margin-bottom:0.45rem}.pbc-reco{background:#eff6ff;border-left:4px solid var(--pbc-accent);border-radius:0 10px 10px 0;padding:0.8rem 1rem;margin:1rem 0}.pbc-note{font-size:0.85rem;color:var(--pbc-muted)}.pbc-tabs{display:flex;gap:0.4rem;border-bottom:2px solid var(--pbc-line);margin:1.5rem 0 0.25rem}.pbc-tab{font:inherit;font-weight:600;background:none;border:0;padding:0.7rem 1rem;cursor:pointer;color:var(--pbc-muted);border-bottom:3px solid transparent;margin-bottom:-2px;min-height:48px}.pbc-tab-active{color:var(--pbc-accent);border-bottom-color:var(--pbc-accent)}.pbc-tabpanel{padding:0.5rem 0 1rem}.pbc-tabpanel[hidden]{display:none}.pbc-bar-row{display:grid;grid-template-columns:1fr;gap:0.25rem;margin-bottom:0.9rem}.pbc-bar-name{font-weight:600;font-size:0.9rem}.pbc-bar-track{background:#e5e7eb;border-radius:999px;height:14px;overflow:hidden}.pbc-bar-fill{height:100%;border-radius:999px;transition:width 0.5s ease}.pbc-bar-score{font-size:0.85rem;color:var(--pbc-muted);font-variant-numeric:tabular-nums}.pbc-sysinfo{margin:0.5rem 0}.pbc-sysrow{display:grid;grid-template-columns:130px 1fr;gap:0.75rem;padding:0.55rem 0;border-bottom:1px solid var(--pbc-line)}.pbc-sysrow dt{font-weight:700;color:var(--pbc-muted);font-size:0.9rem}.pbc-sysrow dd{margin:0}.pbc-actions{display:grid;gap:0.7rem;margin:1.5rem 0 0.5rem}.pbc-toast{background:#0f172a;color:#fff;border-radius:10px;padding:0.7rem 1rem;text-align:center;font-size:0.9rem}.pbc-toast[hidden]{display:none}@media (min-width:640px){.pbc-tool{padding:2rem}.pbc-tool h1{font-size:1.9rem}.pbc-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0.85rem}#pbc-advanced.pbc-open{grid-template-columns:1fr 1fr}.pbc-actions{grid-template-columns:1fr 1fr}.pbc-bar-row{grid-template-columns:220px 1fr 64px;align-items:center}.pbc-bar-score{text-align:right}}@media (min-width:1024px){.pbc-form-grid{grid-template-columns:1fr 1fr 1fr}}@media (prefers-reduced-motion:reduce){.pbc-bar-fill{transition:none}*{scroll-behavior:auto !important}}html{scroll-behavior:smooth}body{margin:0;font-family:var(--pbc-font);color:var(--pbc-ink);background:#fff;line-height:1.6}.wrap{max-width:1080px;margin:0 auto;padding:0 1rem}[id]{scroll-margin-top:84px}.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,0.97);border-bottom:1px solid var(--pbc-line)}.site-header-in{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:64px;position:relative}.brand{display:inline-flex;align-items:center;gap:0.55rem;text-decoration:none;color:var(--pbc-ink);font-weight:800;font-size:1.02rem;letter-spacing:-0.01em}.brand-mark{flex:none}.nav-toggle{display:none;background:none;border:1px solid var(--pbc-line);border-radius:10px;padding:0.5rem 0.6rem;cursor:pointer;color:var(--pbc-ink);min-width:48px;min-height:48px;align-items:center;justify-content:center}.site-nav{display:flex;align-items:center;gap:1.25rem}.site-nav a{text-decoration:none;color:var(--pbc-ink);font-weight:600;font-size:0.95rem;padding:0.4rem 0}.site-nav a:hover{color:var(--pbc-accent)}.breadcrumbs{padding:0.8rem 1rem 0;font-size:0.85rem;color:var(--pbc-muted)}.breadcrumbs ol{list-style:none;margin:0;padding:0;display:flex;gap:0.5rem}.breadcrumbs a{color:var(--pbc-muted);text-decoration:none}.breadcrumbs a:hover{color:var(--pbc-accent)}main .pbc-tool{margin-top:1.25rem}.toc{background:#f1f5f9;border:1px solid var(--pbc-line);border-radius:var(--pbc-radius);padding:1.1rem 1.25rem;margin:1.75rem 0;max-width:880px}.toc-title{font-weight:800;margin:0 0 0.6rem;font-size:1rem}.toc ol{margin:0;padding-left:1.25rem;display:grid;gap:0.35rem}.toc a{color:var(--pbc-ink);text-decoration:none;font-size:0.93rem}.toc a:hover{color:var(--pbc-accent);text-decoration:underline}@media (min-width:640px){.toc ol{grid-template-columns:1fr 1fr}}.content{margin-top:2rem}.csec{padding:2rem 0}.csec:nth-of-type(even){background:var(--pbc-bg);border-radius:var(--pbc-radius);padding-left:1.25rem;padding-right:1.25rem}.csec h2{font-size:1.45rem;letter-spacing:-0.01em;margin:0 0 1rem}.csec h3{font-size:1.1rem;margin:1.5rem 0 0.6rem}.csec p,.csec li{max-width:72ch}.updated-badge{display:inline-block;background:#eff6ff;border:1px solid #bfdbfe;color:var(--pbc-accent-dark);font-weight:600;font-size:0.85rem;border-radius:999px;padding:0.35rem 0.9rem}.faq-item{border:1px solid var(--pbc-line);border-radius:12px;margin-bottom:0.65rem;background:#fff}.faq-q{cursor:pointer;font-weight:700;padding:0.95rem 1.1rem;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:1rem;margin:0;font-size:1rem}.faq-q::-webkit-details-marker{display:none}.faq-q::after{content:"+";font-size:1.35rem;line-height:1;color:var(--pbc-accent);flex:none;font-weight:400}.faq-item[open] .faq-q::after{content:"\2013"}.faq-a{padding:0 1.1rem 1.1rem}.faq-a p:first-child{margin-top:0}.how-strip{max-width:880px;margin:2.5rem auto 0}.how-title{text-align:center;font-size:1.4rem;margin:0 0 1.25rem;letter-spacing:-0.01em}.how-cards{display:grid;gap:1rem;grid-template-columns:1fr}.how-card{background:#fff;border:1px solid var(--pbc-line);border-radius:var(--pbc-radius);padding:1.5rem 1.25rem;text-align:center}.how-card h3{margin:0.8rem 0 0.4rem;font-size:1.05rem}.how-card p{margin:0;color:var(--pbc-muted);font-size:0.93rem}.how-icon{margin:0 auto;display:block}@media (min-width:640px){.how-cards{grid-template-columns:repeat(3,1fr)}}.cta-back{text-align:center;margin:2.75rem 0 1rem}.cta-back .pbc-btn{text-decoration:none;display:inline-block}.site-footer{background:#0f172a;color:#cbd5e1;margin-top:3.5rem}.footer-grid{display:grid;gap:2rem;grid-template-columns:1fr;padding:2.5rem 1rem 1.5rem}.fbrand{color:#fff;font-weight:800;font-size:1.05rem;margin:0 0 0.5rem}.fcol p{margin:0 0 0.5rem;font-size:0.92rem}.fhead{color:#fff;font-weight:700;margin:0 0 0.7rem;font-size:0.95rem}.fcol ul{list-style:none;margin:0;padding:0;display:grid;gap:0.45rem}.fcol a{color:#cbd5e1;text-decoration:none;font-size:0.92rem}.fcol a:hover{color:#fff;text-decoration:underline}.footer-rights{border-top:1px solid #1e293b;padding:1.1rem 1rem}.rights{margin:0;font-size:0.85rem;color:#94a3b8}@media (min-width:640px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr}}a:focus-visible,summary:focus-visible,.nav-toggle:focus-visible{outline:3px solid #93c5fd;outline-offset:2px;border-radius:6px}@media (max-width:639px){.nav-toggle{display:inline-flex}.site-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--pbc-line);flex-direction:column;align-items:stretch;gap:0;padding:0.5rem 1rem 1rem}.site-nav.nav-open{display:flex}.site-nav a{padding:0.8rem 0.25rem;border-top:1px solid var(--pbc-line);min-height:48px;display:flex;align-items:center}}