.ai-kb{--ai-ink:#111827;--ai-muted:#5f6877;--ai-line:#e6e8ec;--ai-soft:#f7f8fa;--ai-accent:#ad8a4b;color:var(--ai-ink)}
.ai-kb *{box-sizing:border-box}
.ai-kb .ai-wrap{width:min(1120px,calc(100% - 32px));margin:0 auto}
.ai-kb .ai-hero{padding:72px 0 48px;background:linear-gradient(180deg,#fff 0%,#f8f8f7 100%);border-bottom:1px solid var(--ai-line)}
.ai-kb .ai-kicker{font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:#896b37;margin:0 0 14px}
.ai-kb h1{font-size:clamp(36px,6vw,64px);line-height:1.02;letter-spacing:-.035em;margin:0;max-width:950px}
.ai-kb .ai-lead{font-size:clamp(18px,2.4vw,22px);line-height:1.6;color:var(--ai-muted);max-width:820px;margin:22px 0 0}
.ai-kb .ai-meta{display:flex;gap:14px;flex-wrap:wrap;margin-top:24px;font-size:13px;color:#727b87}
.ai-kb .ai-meta span{padding:8px 11px;border:1px solid var(--ai-line);border-radius:999px;background:white}
.ai-kb .ai-section{padding:54px 0}
.ai-kb .ai-section+.ai-section{border-top:1px solid var(--ai-line)}
.ai-kb .ai-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px}
.ai-kb article{min-width:0}
.ai-kb h2{font-size:clamp(26px,3vw,38px);line-height:1.15;letter-spacing:-.02em;margin:0 0 18px}
.ai-kb h3{font-size:22px;line-height:1.3;margin:30px 0 10px}
.ai-kb p,.ai-kb li{font-size:17px;line-height:1.75;color:#303844}
.ai-kb p{margin:0 0 17px}
.ai-kb ul,.ai-kb ol{padding-left:22px;margin:12px 0 24px}
.ai-kb li+li{margin-top:8px}
.ai-kb strong{color:#171b22}
.ai-kb a{color:#7d5c24;text-decoration:underline;text-underline-offset:3px}
.ai-kb .ai-note{padding:20px 22px;border-left:4px solid var(--ai-accent);background:#fbfaf7;border-radius:0 12px 12px 0;margin:24px 0}
.ai-kb .ai-note p:last-child{margin-bottom:0}
.ai-kb .ai-table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.ai-kb .ai-table th,.ai-kb .ai-table td{border:1px solid var(--ai-line);padding:13px 14px;text-align:left;vertical-align:top;line-height:1.5}
.ai-kb .ai-table th{background:var(--ai-soft);font-weight:700}
.ai-kb .ai-card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:24px 0}
.ai-kb .ai-card{border:1px solid var(--ai-line);border-radius:16px;padding:20px;background:white}
.ai-kb .ai-card h3{margin:0 0 8px;font-size:18px}
.ai-kb .ai-card p{font-size:15px;margin:0;color:var(--ai-muted)}
.ai-kb .ai-side{position:sticky;top:110px;align-self:start}
.ai-kb .ai-sidebox{border:1px solid var(--ai-line);border-radius:16px;padding:20px;background:#fff}
.ai-kb .ai-sidebox h2{font-size:17px;margin-bottom:12px}
.ai-kb .ai-sidebox a{display:block;padding:9px 0;border-top:1px solid #f0f1f2;font-size:14px;text-decoration:none}
.ai-kb .ai-sidebox a:first-of-type{border-top:0}
.ai-kb .ai-faq details{border-top:1px solid var(--ai-line);padding:18px 0}
.ai-kb .ai-faq details:last-child{border-bottom:1px solid var(--ai-line)}
.ai-kb .ai-faq summary{font-size:18px;font-weight:700;cursor:pointer}
.ai-kb .ai-faq details p{margin:12px 0 0;font-size:16px}
.ai-kb .ai-cta{padding:38px;border-radius:20px;background:#141414;color:white;margin-top:36px}
.ai-kb .ai-cta h2{color:white;margin-bottom:10px}
.ai-kb .ai-cta p{color:#d9d9d9;max-width:760px}
.ai-kb .ai-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.ai-kb .ai-btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 18px;border-radius:10px;text-decoration:none!important;font-weight:700}
.ai-kb .ai-btn-primary{background:#b69252;color:#111!important}
.ai-kb .ai-btn-secondary{border:1px solid #555;color:white!important}
.ai-kb .ai-sources{font-size:14px;color:var(--ai-muted)}
.ai-kb .ai-sources li{font-size:14px}
.ai-kb .ai-related{background:var(--ai-soft)}
.ai-kb .ai-hub-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.ai-kb .ai-hub-card{display:block;border:1px solid var(--ai-line);background:#fff;border-radius:16px;padding:22px;text-decoration:none!important}
.ai-kb .ai-hub-card strong{display:block;font-size:18px;margin-bottom:8px}
.ai-kb .ai-hub-card span{font-size:14px;line-height:1.55;color:var(--ai-muted)}
@media(max-width:900px){.ai-kb .ai-grid{grid-template-columns:1fr}.ai-kb .ai-side{position:static}.ai-kb .ai-hub-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.ai-kb .ai-hero{padding:48px 0 36px}.ai-kb .ai-section{padding:40px 0}.ai-kb .ai-card-grid,.ai-kb .ai-hub-grid{grid-template-columns:1fr}.ai-kb .ai-cta{padding:26px}.ai-kb .ai-table{font-size:13px}.ai-kb .ai-table th,.ai-kb .ai-table td{padding:10px}}