:root{--bg:#0c0d10;--panel:#121418;--line:#292c32;--text:#eceef0;--muted:#999fa9;--green:#c5eaa5;color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;-webkit-font-smoothing:antialiased;font-size:15px;line-height:1.6}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--green);outline-offset:5px}::selection{background:#c5eaa5;color:#101211}.wrap{max-width:1192px;margin:auto;padding-left:36px;padding-right:36px}header{position:sticky;top:0;background:#0c0d10f5;z-index:20;border-bottom:1px solid #22252b}.header-inner{max-width:1264px;margin:auto;height:86px;display:flex;align-items:center;padding:0 36px;gap:22px}.logo{font-size:29px;letter-spacing:-1.7px;font-weight:850;display:inline-flex;align-items:center;line-height:1}.logo-dot{width:6px;height:6px;background:var(--green);margin:14px 0 0 5px;border-radius:50%}.brand-caption{font-size:9px;letter-spacing:1.7px;color:var(--muted);padding-left:21px;border-left:1px solid var(--line)}.desktop-nav{display:flex;gap:28px;margin-left:auto;font-size:13px}.desktop-nav a:hover,.footer-links a:hover{color:var(--green)}.header-actions{display:flex;gap:26px;align-items:center;margin-left:36px}.search-open{color:var(--muted);background:none;border:1px solid var(--line);border-radius:6px;padding:7px 10px;display:flex;align-items:center;gap:9px;font-size:12px}kbd{font-size:11px;padding:0 5px;border:1px solid var(--line);margin-left:18px}.language{display:flex;gap:8px;font-size:11px;letter-spacing:1px;color:#7e858f}.language .active{color:#f0f1f2}.language 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i:nth-child(3){transform:translate(-10%,-75%) rotate(30deg);opacity:.4}.art-finance i{width:20px;height:25px;left:calc(50% - 30px);top:auto;bottom:10px;transform:none;border-bottom:0}.art-finance i:nth-child(2){left:calc(50% - 4px);height:40px;opacity:.7}.art-finance i:nth-child(3){left:calc(50% + 22px);height:56px;opacity:.4}.art-tech i{width:87px;height:49px;border-radius:3px}.art-tech i:nth-child(2){width:24px;height:12px;top:calc(50% + 30px);border-top:0;opacity:.6}.art-tech i:nth-child(3){width:38px;height:1px;top:calc(50% + 37px);opacity:.4}.art-ai i{width:58px;height:58px;border-radius:50%}.art-ai i:nth-child(2){width:30px;height:58px;transform:translate(-50%,-50%) rotate(45deg);opacity:.6}.art-ai i:nth-child(3){width:30px;height:58px;transform:translate(-50%,-50%) rotate(-45deg);opacity:.6}.art-software i{width:68px;height:47px;border-radius:4px;transform:translate(-60%,-65%)}.art-software i:nth-child(2){transform:translate(-40%,-35%);background:#15171c}.art-software 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p{flex-basis:100%;margin-left:14px;font-size:10px}.footer-top{flex-direction:column}.footer-links{flex-wrap:wrap;gap:15px 22px}.footer-bottom{flex-direction:column;gap:7px}footer{padding:30px 23px 0}.category-head h1{font-size:40px}.category-head>p{font-size:16px}.category-head .section-meta{font-size:8px}.empty-state h2{font-size:23px}.prose h1{font-size:38px}.prose p{font-size:15px}.prose .lead{font-size:20px}}@media(max-width:440px){.topic-grid{grid-template-columns:1fr}.topic{padding-left:23px;padding-right:23px}.topic-art{height:65px}.topic p{min-height:auto}.topic-bottom>span:first-child{max-width:none;font-size:9px}.hero-visual{margin-left:-3%;width:106%}.eyebrow{font-size:8px;letter-spacing:1.6px}.hero-actions{gap:18px}.text-link{font-size:11px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* BHW knowledge core: lightweight vector artwork */
.hero-visual.nexus{height:auto;aspect-ratio:520/390;background:none;transform:none;overflow:visible}.nexus:before,.nexus:after{display:none}.nexus svg{width:100%;height:auto;display:block;overflow:visible}@media(max-width:1000px) and (min-width:741px){.hero-visual.nexus{width:112%;margin-left:-6%}}@media(max-width:740px){.hero-visual.nexus{max-width:440px;aspect-ratio:520/390;height:auto;width:100%;margin:28px auto 0}}