.knowledge-page,.knowledge-article{--kh-text:var(--text);--kh-muted:var(--muted);--kh-line:var(--line);--kh-card:var(--surface-raised);--kh-soft:var(--accent-soft);--kh-accent:var(--accent);--kh-accent-strong:var(--accent-strong);--kh-on-accent:var(--on-accent)}.knowledge-page{gap:clamp(28px,4vw,48px);padding-top:clamp(28px,4vw,48px);padding-bottom:clamp(64px,8vw,112px);display:grid}.kh-visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.kh-search{border:1px solid var(--kh-line);background:var(--kh-card);max-width:680px;color:var(--kh-muted);border-radius:999px;align-items:center;gap:10px;padding:6px 6px 6px 16px;display:flex}.kh-search:focus-within{border-color:var(--kh-accent);box-shadow:0 0 0 3px var(--kh-soft)}.kh-search input{min-width:0;height:40px;color:var(--kh-text);font:inherit;background:0 0;border:0;outline:none;flex:1;font-size:1rem}.kh-search button{background:var(--kh-accent-strong);height:40px;color:var(--kh-on-accent);font:inherit;cursor:pointer;border:0;border-radius:999px;flex:none;padding:0 20px;font-weight:750}.kh-filter{scrollbar-width:none;gap:8px;margin:0 -2px;padding:2px;display:flex;overflow-x:auto}.kh-filter::-webkit-scrollbar{display:none}.kh-filter a{border:1px solid var(--kh-line);color:var(--kh-text);white-space:nowrap;border-radius:999px;flex:none;padding:8px 14px;font-size:.92rem;font-weight:700;text-decoration:none}.kh-filter a:hover{border-color:var(--kh-accent)}.kh-filter a.is-active{border-color:var(--kh-accent-strong);background:var(--kh-accent-strong);color:var(--kh-on-accent)}.kh-feed{gap:20px;display:grid}.kh-feed-head,.kh-rubrics>h2{justify-content:space-between;align-items:baseline;gap:16px;margin:0;display:flex}.kh-feed-head h2,.kh-rubrics>h2{letter-spacing:-.02em;margin:0;font-size:clamp(1.5rem,2.6vw,2.1rem)}.kh-feed-head span{color:var(--kh-muted);font-size:.92rem}.kh-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(16px,2vw,28px);display:grid}.kh-card{border:1px solid var(--kh-line);background:var(--kh-card);border-radius:16px;grid-template-rows:auto 1fr;display:grid;overflow:hidden}.kh-card-media{aspect-ratio:16/10;background:var(--kh-soft);display:block;position:relative;overflow:hidden}.kh-card-media img{object-fit:cover;transition:transform .45s cubic-bezier(.16,1,.3,1)}.kh-card:hover .kh-card-media img{transform:scale(1.03)}.kh-card-placeholder{color:var(--kh-accent);place-items:center;display:grid;position:absolute;inset:0}.kh-card-body{flex-direction:column;gap:10px;padding:18px 20px 20px;display:flex}.kh-card-rubrics{letter-spacing:.08em;text-transform:uppercase;flex-wrap:wrap;gap:6px 12px;margin:0;font-size:.74rem;font-weight:750;display:flex}.kh-card-rubrics a{color:var(--kh-accent-strong);text-decoration:none}.kh-card h3{margin:0;font-size:1.2rem;line-height:1.25}.kh-card h3 a{color:var(--kh-text);text-decoration:none}.kh-card h3 a:hover{color:var(--kh-accent-strong)}.kh-card-summary{color:var(--kh-muted);-webkit-line-clamp:3;-webkit-box-orient:vertical;margin:0;line-height:1.55;display:-webkit-box;overflow:hidden}.kh-card time{color:var(--kh-muted);margin-top:auto;font-size:.86rem}.kh-empty{border:1px dashed var(--kh-line);background:var(--kh-card);color:var(--kh-accent);border-radius:16px;justify-items:start;gap:10px;padding:clamp(24px,4vw,40px);display:grid}.kh-empty h3{color:var(--kh-text);margin:0;font-size:1.25rem}.kh-empty p{max-width:60ch;color:var(--kh-muted);margin:0;line-height:1.55}.kh-pages{color:var(--kh-muted);grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;padding-top:8px;display:grid}.kh-pages a{color:var(--kh-accent-strong);font-weight:750}.kh-pages a[rel=next]{justify-self:end}.kh-rubrics{gap:20px;display:grid}.kh-rubric-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;display:grid}.kh-rubric-card{border:1px solid var(--kh-line);background:var(--kh-card);min-height:172px;color:var(--kh-text);border-radius:16px;flex-direction:column;gap:8px;padding:20px;text-decoration:none;transition:border-color .2s,transform .2s;display:flex}.kh-rubric-card:hover{border-color:var(--kh-accent);transform:translateY(-2px)}.kh-rubric-card.is-section{background:var(--kh-soft)}.kh-rubric-card strong{font-size:1.15rem;line-height:1.25}.kh-rubric-count{color:var(--kh-muted);letter-spacing:.1em;text-transform:uppercase;font-size:.74rem;font-weight:750}.kh-rubric-description{color:var(--kh-muted);-webkit-line-clamp:3;-webkit-box-orient:vertical;font-size:.94rem;line-height:1.5;display:-webkit-box;overflow:hidden}.kh-rubric-open{color:var(--kh-accent-strong);align-items:center;gap:6px;margin-top:auto;font-weight:750;display:inline-flex}.kh-article-meta{border-bottom:1px solid var(--kh-line);color:var(--kh-muted);flex-wrap:wrap;align-items:center;gap:8px 20px;padding:18px 0;font-size:.92rem;display:flex}.kh-article-rubrics{flex-wrap:wrap;gap:8px;display:inline-flex}.kh-article-rubrics a{background:var(--kh-soft);color:var(--kh-accent-strong);border-radius:999px;padding:4px 10px;font-weight:750;text-decoration:none}@media (max-width:1080px){.kh-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:680px){.kh-grid{grid-template-columns:1fr}.kh-search{padding-left:12px}.kh-search button{padding:0 14px}.kh-rubric-grid{grid-template-columns:1fr}.kh-rubric-card{gap:6px;min-height:0;padding:16px}.kh-rubric-description{-webkit-line-clamp:2}.kh-rubric-open{display:none}}