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var(--line)}.sol-std-lbl{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}.sol-std-items{display:flex;flex-wrap:wrap;gap:8px}.sol-std-items b{font-family:var(--font-mono);font-weight:500;font-size:.72rem;letter-spacing:.03em;color:var(--ink);border:1px solid var(--line-2);padding:5px 10px;border-radius:2px}.sol-block{padding-top:clamp(40px,5vw,68px);padding-bottom:clamp(40px,5vw,68px)}.sol-caps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;grid-gap:14px 40px;gap:14px 40px}.sol-caps li{display:flex;gap:12px;color:var(--ink-2);font-size:1rem;line-height:1.5}.sol-caps li b{color:var(--accent);font-weight:700;flex:none;font-size:.7rem;margin-top:.28em}@media (max-width:720px){.sol-caps{grid-template-columns:1fr}}.sol-proof{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.sol-proof .wrap{padding:22px 0}.sol-proof p{margin:0;text-align:center;font-family:var(--font-mono);font-size:.84rem;letter-spacing:.02em;color:var(--ink-2)}.sol-proof b{color:var(--ink);font-weight:600}.sol-faq{display:flex;flex-direction:column;gap:10px;max-width:860px}.sol-faq-item{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);overflow:hidden}.sol-faq-item summary{cursor:pointer;list-style:none;padding:18px 22px;font-weight:600;font-size:1.02rem;letter-spacing:-.01em;display:flex;align-items:center;justify-content:space-between;gap:16px}.sol-faq-item summary::-webkit-details-marker{display:none}.sol-faq-item summary:after{content:"+";color:var(--accent);font-weight:400;font-size:1.4rem;line-height:1;flex:none}.sol-faq-item[open] summary:after{content:"–"}.sol-faq-a{padding:0 22px 20px;color:var(--ink-2);font-size:.98rem;line-height:1.62;max-width:70ch}.sol-related{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:14px;gap:14px;margin-bottom:clamp(40px,5vw,64px)}@media (max-width:760px){.sol-related{grid-template-columns:1fr}}.sol-rel{display:flex;flex-direction:column;gap:8px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);padding:20px;transition:border-color .2s,transform .2s}.sol-rel:hover{border-color:var(--accent);transform:translateY(-2px)}.sol-rel-code{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.12em;color:var(--accent)}.sol-rel-h{font-weight:600;font-size:.98rem;line-height:1.3;letter-spacing:-.01em;color:var(--ink)}.sol-rel-go{margin-top:auto;font-family:var(--font-mono);font-size:.72rem;color:var(--ink-3)}.sol-final{border:1px solid var(--line-2);border-radius:var(--radius);background:radial-gradient(120% 140% at 80% 0,var(--accent-soft),transparent 60%),var(--surface);padding:clamp(28px,4vw,48px);text-align:center}.sol-final h2{font-size:clamp(1.5rem,2.6vw,2.1rem);letter-spacing:-.02em;margin-bottom:8px;text-wrap:balance}.sol-final p{color:var(--ink-2);margin-bottom:22px}.kc-hero{padding-top:clamp(34px,5vw,60px);padding-bottom:clamp(20px,3vw,36px)}.kc-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:16px;gap:16px}@media (max-width:900px){.kc-grid{grid-template-columns:1fr 1fr}}@media (max-width:640px){.kc-grid{grid-template-columns:1fr}}.kc-card{display:flex;flex-direction:column;gap:10px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);padding:22px;transition:border-color .2s,transform 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16px;flex-wrap:wrap;align-items:center;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.04em;color:var(--ink-3);margin-bottom:16px}.kc-cat{color:var(--accent);text-transform:uppercase;letter-spacing:.1em}.kc-h1{font-size:clamp(1.8rem,3.8vw,2.8rem);line-height:1.08;font-weight:700;letter-spacing:-.025em;text-wrap:balance;margin-bottom:20px}.kc-intro{font-size:clamp(1.06rem,1.5vw,1.24rem);line-height:1.6;color:var(--ink);margin-bottom:8px}.kc-body{margin-top:24px}.kc-body section{margin-top:32px}.kc-body h2{font-size:clamp(1.25rem,2vw,1.55rem);letter-spacing:-.02em;margin-bottom:12px}.kc-body p{color:var(--ink-2);font-size:1.04rem;line-height:1.7;margin-bottom:14px}.kc-body ul{margin:0 0 16px;padding-left:4px;list-style:none;display:flex;flex-direction:column;gap:9px}.kc-body li{position:relative;padding-left:22px;color:var(--ink-2);font-size:1.02rem;line-height:1.55}.kc-body li:before{content:"◆";position:absolute;left:0;top:.05em;color:var(--accent);font-size:.66rem}.kc-note{margin-top:40px;border:1px solid color-mix(in srgb,var(--accent) 35%,var(--line));border-radius:var(--radius);background:radial-gradient(120% 160% at 90% 0,var(--accent-soft),transparent 55%),var(--surface);padding:26px}.kc-note-lbl{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}.kc-note p{margin:10px 0 18px;color:var(--ink-2);line-height:1.6}.kc-related{margin-top:44px;padding-top:26px;border-top:1px solid var(--line)}.kc-related-list{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px;gap:12px;margin-top:14px}@media (max-width:640px){.kc-related-list{grid-template-columns:1fr}}.kc-related-list a{display:flex;flex-direction:column;gap:6px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);padding:16px 18px;transition:border-color .2s}.kc-related-list a:hover{border-color:var(--accent)}.kc-rel-kind{font-family:var(--font-mono);font-size:.6rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent)}.kc-rel-h{font-weight:600;font-size:.95rem;line-height:1.3;letter-spacing:-.01em;color:var(--ink)}