.bi-empty{text-align:center;max-width:640px;color:var(--text-muted);margin:0 auto;padding:60px 24px;font-size:16px}.bi-tags{flex-wrap:wrap;gap:8px;margin-bottom:32px;display:flex}.bi-chip{font:inherit;cursor:pointer;border:1px solid var(--chip-border);background:var(--chip-bg);color:var(--chip-text);border-radius:999px;padding:8px 16px;font-size:13.5px;font-weight:600;transition:all .15s}.bi-chip:hover{color:var(--text)}.bi-chip.is-active{background:var(--accent);border-color:var(--accent);color:#fff}.bi-featured{color:inherit;border:1px solid var(--hairline);background:var(--bg-elev);border-radius:22px;grid-template-columns:1.1fr 1fr;gap:0;margin-bottom:40px;text-decoration:none;transition:border-color .2s,transform .2s;display:grid;overflow:hidden}.bi-featured:hover{border-color:var(--accent);transform:translateY(-2px)}.bi-featured-cover{min-height:220px}.bi-featured-body{flex-direction:column;justify-content:center;gap:12px;padding:clamp(24px,3.5vw,44px);display:flex}.bi-featured-eyebrow{text-transform:uppercase;letter-spacing:.12em;color:var(--accent);font-size:12px;font-weight:700}.bi-featured-title{letter-spacing:-.02em;font-size:clamp(22px,3vw,32px);font-weight:800;line-height:1.2}.bi-featured-desc{color:var(--text-muted);font-size:15px;line-height:1.65}@media (max-width:720px){.bi-featured{grid-template-columns:1fr}.bi-featured-cover{min-height:160px}}.bi-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px;display:grid}.bi-next{border:1px dashed var(--hairline);border-radius:18px;flex-direction:column;justify-content:center;gap:8px;min-height:160px;padding:24px 26px;display:flex}.bi-next-eyebrow{text-transform:uppercase;letter-spacing:.1em;color:var(--text-faint);font-size:11px;font-weight:700}.bi-next-body{color:var(--text-muted);font-size:14.5px;line-height:1.6}.bi-card{color:inherit;border:1px solid var(--hairline);background:var(--bg-elev);border-radius:18px;flex-direction:column;text-decoration:none;transition:border-color .2s,transform .2s;display:flex;overflow:hidden}.bi-card:hover{border-color:var(--accent);transform:translateY(-2px)}.bi-card-cover{aspect-ratio:16/9}.bi-card-body{flex-direction:column;flex:1;gap:8px;padding:20px 22px 24px;display:flex}.bi-card-tag{text-transform:uppercase;letter-spacing:.1em;color:var(--accent);font-size:11px;font-weight:700}.bi-card-title{letter-spacing:-.01em;font-size:18px;font-weight:700;line-height:1.3}.bi-card-desc{color:var(--text-muted);flex:1;font-size:14px;line-height:1.6}.bi-card-meta{color:var(--text-faint);margin-top:4px;font-size:12.5px}