/* Theme 9 — Business / Professional. Navy corporate palette, structured
   resource cards, author-profile block, CTA box. */
.theme-business{--bz-navy:#0f2942;--bz-navy2:#1e3a5f;--bz-ink:#1e293b;--bz-muted:#64748b;--bz-line:#e2e8f0;--bz-bg:#fff;--bz-surface:#f8fafc;--bz-accent:#2563eb;font-family:-apple-system,'Segoe UI',Roboto,sans-serif;color:var(--bz-ink);background:var(--bz-bg);}
[data-theme="dark"] .theme-business{--bz-ink:#e2e8f0;--bz-muted:#94a3b8;--bz-line:#1e293b;--bz-bg:#0b1220;--bz-surface:#131b2c;}
.theme-business *{box-sizing:border-box;}
.theme-business a{color:inherit;text-decoration:none;}
.theme-business h1,.theme-business h2,.theme-business h3{font-weight:700;color:var(--bz-ink);letter-spacing:-.01em;}
.theme-business .bz-wrap{max-width:1180px;margin:0 auto;padding:0 20px 60px;}

.theme-business .bz-band{background:var(--bz-navy);color:#fff;padding:34px 0;margin-bottom:0;}
.theme-business .bz-band-inner{max-width:1180px;margin:0 auto;padding:0 20px;}
.theme-business .bz-band h1{color:#fff;font-size:28px;margin-bottom:8px;}
.theme-business .bz-band p{color:#cbd5e1;font-size:14px;}
.theme-business .bz-tabs{display:flex;gap:4px;background:var(--bz-navy2);padding:0 20px;overflow-x:auto;}
.theme-business .bz-tabs a{white-space:nowrap;color:#cbd5e1;font-size:13px;font-weight:600;padding:12px 16px;border-bottom:3px solid transparent;}
.theme-business .bz-tabs a.active,.theme-business .bz-tabs a:hover{color:#fff;border-bottom-color:var(--bz-accent);}

.theme-business .bz-layout{display:grid;grid-template-columns:2.3fr 1fr;gap:32px;margin-top:30px;align-items:start;}
.theme-business .bz-card{display:flex;gap:16px;background:var(--bz-surface);border:1px solid var(--bz-line);border-left:4px solid var(--bz-navy);border-radius:6px;padding:16px;margin-bottom:14px;}
.theme-business .bz-card img{width:110px;height:80px;object-fit:cover;border-radius:4px;flex-shrink:0;}
.theme-business .bz-card h3{font-size:16.5px;margin-bottom:6px;}
.theme-business .bz-card p{color:var(--bz-muted);font-size:13px;line-height:1.55;}
.theme-business .bz-card .bz-meta{font-size:11.5px;color:var(--bz-accent);font-weight:700;margin-top:8px;text-transform:uppercase;letter-spacing:.03em;}

.theme-business .bz-side-box{background:var(--bz-surface);border:1px solid var(--bz-line);border-radius:6px;padding:18px;margin-bottom:16px;}
.theme-business .bz-side-box h4{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--bz-muted);margin-bottom:12px;}
.theme-business .bz-side-box a{display:block;padding:7px 0;border-bottom:1px solid var(--bz-line);font-size:13px;font-weight:600;}
.theme-business .bz-cta{background:var(--bz-navy);color:#fff;border-radius:8px;padding:24px;text-align:center;}
.theme-business .bz-cta h4{color:#fff;font-size:16px;margin-bottom:8px;}
.theme-business .bz-cta a{display:inline-block;background:var(--bz-accent);color:#fff;font-size:13px;font-weight:700;padding:10px 22px;border-radius:6px;margin-top:10px;}

@media(max-width:900px){.theme-business .bz-layout{grid-template-columns:1fr;}}

/* Article */
.theme-business .bz-art-head{max-width:840px;margin:0 auto;padding:0 20px;}
.theme-business .bz-art-head h1{color:#fff;font-size:clamp(24px,4vw,36px);margin:10px 0;}
.theme-business .bz-crumb-tag{display:inline-block;background:rgba(255,255,255,.15);color:#fff;font-size:11px;font-weight:700;padding:4px 12px;border-radius:4px;text-transform:uppercase;}
.theme-business .bz-author-card{display:flex;align-items:center;gap:14px;background:var(--bz-surface);border:1px solid var(--bz-line);border-radius:8px;padding:16px 20px;max-width:840px;margin:26px auto;}
.theme-business .bz-avatar{width:46px;height:46px;border-radius:50%;background:var(--bz-navy);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0;}
.theme-business .bz-author-card .name{font-weight:700;font-size:14px;}
.theme-business .bz-author-card .meta{font-size:12px;color:var(--bz-muted);margin-top:2px;}
.theme-business .bz-art-hero{width:100%;max-height:420px;object-fit:cover;border-radius:8px;max-width:840px;display:block;margin:0 auto 30px;}
.theme-business .bz-content{max-width:840px;margin:0 auto;font-size:16.5px;line-height:1.8;}
.theme-business .bz-content h2{font-size:23px;margin:32px 0 12px;padding-bottom:8px;border-bottom:2px solid var(--bz-line);}
.theme-business .bz-content p{margin-bottom:14px;}
.theme-business .bz-content img{width:100%;border-radius:8px;margin:18px 0;}
.theme-business .bz-content a{color:var(--bz-accent);text-decoration:underline;}
.theme-business .bz-resources{max-width:840px;margin:40px auto 0;}