.kb-home,.kb-article{padding-top:32px;padding-bottom:64px}.kb-home h1,.kb-article h1{font-size:clamp(30px,4vw,52px);line-height:1.15;letter-spacing:-.035em}.kb-home>.lead,.kb-article>.lead{max-width:65ch;font-size:18px;color:var(--muted);line-height:1.7}.kb-paths{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:32px 0}.kb-paths a{padding:22px;border:1px solid var(--glass-edge,var(--line));border-radius:16px;background:var(--surface);box-shadow:inset 0 1px 0 var(--glass-highlight,transparent)}.kb-paths b{display:block;font-size:16px}.kb-paths span{display:block;font-size:12px;color:var(--muted);margin-top:10px}.kb-tools{padding:24px 0;border-top:1px solid var(--line)}.kb-tools label{display:block;margin-bottom:10px;font-weight:600}.kb-tools input{width:100%;max-width:680px;padding:14px 16px;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:12px;font-size:16px}.kb-groups{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0}.kb-groups button{border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--muted);padding:10px 14px;min-height:44px;font-size:13px}.kb-groups button[aria-pressed=true]{background:var(--control);border-color:var(--accent);color:var(--accent)}#kb-status{color:var(--muted);font-size:13px}.kb-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.kb-card{display:flex;flex-direction:column;padding:24px;border:1px solid var(--line);border-radius:16px;min-width:0;background:var(--surface)}.kb-card small,.kb-meta{font-size:12px;color:var(--muted)}.kb-card h2{font-size:20px;line-height:1.4;letter-spacing:-.02em;margin:16px 0 12px;text-wrap:pretty}.kb-card p{font-size:14px;color:var(--muted);line-height:1.7}.kb-read{margin-top:auto;padding-top:16px;font-size:13px;color:var(--accent)}.kb-card[hidden],.kb-empty[hidden]{display:none}.kb-empty{padding:32px;border:1px solid var(--line);border-radius:16px}.kb-empty button{min-height:44px;margin-right:24px}.kb-article{max-width:1100px}.kb-article>section{max-width:78ch;margin:36px 0;scroll-margin-top:24px}.kb-article>section p{line-height:1.85;font-size:16px}.kb-article h2{font-size:26px;letter-spacing:-.025em}.kb-contents{display:flex;flex-direction:column;align-items:flex-start;white-space:normal;position:static;min-height:0;border:1px solid var(--line);border-radius:16px;padding:20px;gap:10px;background:var(--surface);max-width:78ch;margin-top:28px}.kb-contents a,.kb-contents a:last-child{padding:0;margin:0;font-size:14px;color:var(--muted)}.kb-checklist{background:var(--surface);padding:24px;border:1px solid var(--line);border-radius:16px}.kb-checklist ul{padding-left:22px;line-height:2}.kb-checklist>a,.kb-related>a{color:var(--accent);font-size:14px;text-decoration:underline;text-underline-offset:4px}.kb-related>a{display:block;padding:8px 0}.kb-glossary{margin:30px 0}.kb-glossary>div{padding:20px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:200px minmax(0,1fr);gap:24px}.kb-glossary dt{font-weight:600}.kb-glossary dd{margin:0;line-height:1.7;color:var(--muted)}.kb-calculators{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:32px}.kb-calculators form{display:grid;gap:16px;align-content:start;padding:24px;background:var(--surface);border:1px solid var(--line);border-radius:16px}.kb-calculators h2{font-size:24px;margin:0 0 8px}.kb-calculators label{display:grid;gap:8px;font-size:14px}.kb-calculators input{min-width:0;width:100%;padding:12px;background:var(--canvas);border:1px solid var(--line);border-radius:8px;color:var(--ink);font-size:16px}.kb-calculators output{font-size:22px;color:var(--accent);font-variant-numeric:tabular-nums}.kb-calculators p{font-size:13px;color:var(--muted);line-height:1.7}.kb-calculators a{color:var(--accent);font-size:14px}
@media(max-width:1000px){.kb-paths{grid-template-columns:repeat(2,minmax(0,1fr))}.kb-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:720px){.kb-home,.kb-article{padding-top:24px;padding-bottom:40px}.kb-home>.lead,.kb-article>.lead{font-size:16px}.kb-paths{gap:10px}.kb-paths a{padding:16px}.kb-paths b{font-size:14px}.kb-paths span{font-size:11px}.kb-grid,.kb-calculators{grid-template-columns:minmax(0,1fr)}.kb-card{padding:20px}.kb-groups{gap:8px}.kb-groups button{font-size:12px;padding:10px}.kb-article h2{font-size:23px}.kb-article>section p{font-size:15px}.kb-glossary>div{grid-template-columns:minmax(0,1fr);gap:8px}.kb-contents{padding:16px}.kb-contents a{overflow-wrap:anywhere}.kb-calculators form{padding:20px}.kb-article li{overflow-wrap:anywhere}.store-navigation>a.knowledge-nav{display:none}}
#specificationPicker{display:grid;gap:12px;max-width:560px}#specificationPicker label{font-size:14px;font-weight:600}#specificationPicker select,#specificationPicker input{width:100%;min-width:0;padding:12px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);font-size:16px}#specNameLabel input{margin-top:8px}#specNameLabel[hidden]{display:none}.spec-picker-quantity{display:grid;grid-template-columns:48px minmax(0,100px) 48px;gap:8px}.spec-picker-quantity button{min-height:48px;border:1px solid var(--line);border-radius:10px;background:var(--control);color:var(--ink);font-size:22px}.spec-picker-quantity input{text-align:center}#specDestinationStatus{font-size:13px;color:var(--muted);min-height:20px}.specification-current{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin:16px 0}.specification-current span{overflow-wrap:anywhere;min-width:0;flex:1}.specification-current button{font-size:12px;min-height:44px}.spec-picker-model{overflow-wrap:anywhere;font-weight:600}