.bi{min-height:100vh;padding:104px 0 88px;background:var(--ds-bg);transition:background .3s}.bi-inner{max-width:1400px}.bi-back{display:inline-flex;align-items:center;gap:8px;color:var(--ds-accent);font-size:14px;font-weight:500;text-decoration:none}.bi-back:hover svg{transform:translate(-3px)}.bi-back svg{transition:transform .2s}.bi-head{text-align:center;margin:26px 0 30px}.bi-head h1{font-size:clamp(1.9rem,3.4vw,2.8rem);font-weight:800;letter-spacing:-.03em;line-height:1.15;color:var(--ds-fg)}.bi-intro{max-width:50ch;margin:14px auto 0;font-size:15px;line-height:1.65;color:var(--ds-muted)}.bi-filters{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:30px}.bi-pill{padding:10px 20px;border-radius:999px;border:1px solid var(--ds-card-b);background:var(--ds-card);color:var(--ds-fg);font-family:inherit;font-size:14px;font-weight:500;cursor:pointer;transition:background .2s,border-color .2s,color .2s}.bi-pill:hover{border-color:color-mix(in srgb,var(--ds-accent) 40%,transparent)}.bi-pill-active{background:var(--c, var(--ds-accent));border-color:var(--c, var(--ds-accent));color:#fff}.bi-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.bi-empty{text-align:center;padding:60px 0;color:var(--ds-muted)}.bi-clear{color:var(--ds-accent);text-decoration:underline;text-underline-offset:3px}.bi-tools{display:flex;justify-content:center;align-items:center;gap:10px;margin:0 auto 22px;max-width:560px}.bi-search{flex:1;display:flex;align-items:center;gap:10px;padding:0 16px;height:46px;border-radius:999px;border:1px solid var(--ds-card-b);background:var(--ds-card);color:var(--ds-muted);transition:border-color .2s}.bi-search:focus-within{border-color:var(--ds-accent)}.bi-search input{flex:1;min-width:0;height:100%;border:none;outline:none;background:none;color:var(--ds-fg);font:inherit;font-size:15px}.bi-rss{display:inline-flex;align-items:center;gap:6px;height:46px;padding:0 16px;border-radius:999px;border:1px solid var(--ds-card-b);background:var(--ds-card);color:var(--ds-muted);font-size:14px;font-weight:500;text-decoration:none;transition:color .2s,border-color .2s}.bi-rss:hover{color:#f97316;border-color:#f97316}.bi-tags{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;margin-top:44px}.bi-tags-label{font-size:13px;color:var(--ds-muted);margin-right:6px}.bi-tag{padding:5px 12px;border-radius:999px;border:1px solid var(--ds-card-b);background:var(--ds-card);color:var(--ds-muted);font-size:13px;text-decoration:none;transition:color .2s,border-color .2s}.bi-tag:hover{color:var(--ds-accent);border-color:var(--ds-accent)}@media(max-width:1200px){.bi-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:680px){.bi-grid{grid-template-columns:1fr}}