.kn-hub{color:var(--kn-ink);display:grid;gap:40px;margin-bottom:40px}.kn-hub *,.kn-hub *::before,.kn-hub *::after{box-sizing:border-box}.kn-hub__bar{display:grid;gap:14px;padding:22px;border-radius:14px;background:var(--kn-accent-soft);border:1px solid #cfe8dc}.kn-hub__search{position:relative}.kn-hub__search svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--kn-muted);pointer-events:none}.kn-hub__search input{width:100%;height:52px;margin:0;padding:0 16px 0 48px;border:1px solid var(--kn-line);border-radius:10px;background:var(--kn-paper);color:var(--kn-ink);font-family:inherit;font-size:16px;box-shadow:0 1px 2px rgb(16 40 30 / .05)}.kn-hub__search input:focus{outline:2px solid var(--kn-accent);outline-offset:1px;border-color:var(--kn-accent)}.kn-hub__meta{margin:0;font-size:14px;color:var(--kn-muted)}.kn-hub__meta strong{color:var(--kn-accent-ink)}.kn-hub__chips{display:flex;flex-wrap:wrap;gap:8px}.kn-hub__chips button{display:inline-flex;align-items:center;gap:6px;height:34px;margin:0;padding:0 14px;border:1px solid var(--kn-line);border-radius:999px;background:var(--kn-paper);color:var(--kn-ink);font-family:inherit;font-size:14px;font-weight:700;line-height:1;text-transform:none;letter-spacing:0;min-height:0;cursor:pointer}.kn-hub__chips button span{font-size:12px;color:var(--kn-muted);font-weight:700}.kn-hub__chips button:hover{border-color:var(--kn-accent)}.kn-hub__chips button[aria-pressed="true"]{background:var(--kn-accent);border-color:var(--kn-accent);color:#fff}.kn-hub__chips button[aria-pressed="true"] span{color:rgb(255 255 255 / .8)}.kn-hub__group{display:grid;gap:16px}.kn-hub__ghead h2{margin:0 0 4px;font-size:22px;line-height:1.3}.kn-hub__ghead p{margin:0;font-size:15px;color:var(--kn-muted)}.kn-hub__grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}.kn-hub__card{display:flex;flex-direction:column;gap:8px;padding:18px;border:1px solid var(--kn-line);border-radius:12px;background:var(--kn-paper);color:var(--kn-ink)!important;text-decoration:none!important;transition:border-color .15s,box-shadow .15s,transform .15s}.kn-hub__card:hover,.kn-hub__card:focus-visible{border-color:var(--kn-accent);box-shadow:0 6px 18px rgb(0 112 74 / .12);transform:translateY(-2px);outline:none}.kn-hub__icon{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:10px;background:var(--kn-accent-soft);color:var(--kn-accent-ink);margin-bottom:4px}.kn-hub__title{font-size:17px;font-weight:800;line-height:1.35}.kn-hub__desc{font-size:14px;line-height:1.55;color:var(--kn-muted);flex:1}.kn-hub__foot{display:flex;align-items:flex-end;justify-content:space-between;gap:10px;margin-top:6px}.kn-hub__tags{display:flex;flex-wrap:wrap;gap:6px}.kn-hub__tags span{font-size:12px;font-weight:700;padding:2px 8px;border-radius:6px;background:var(--kn-panel);color:var(--kn-muted)}.kn-hub__go{font-size:20px;font-weight:700;color:var(--kn-accent);transition:transform .15s}.kn-hub__card:hover .kn-hub__go{transform:translateX(3px)}.kn-hub__empty{margin:0;padding:20px;border-radius:12px;background:var(--kn-panel);color:var(--kn-muted);text-align:center}.kn-hub [hidden]{display:none!important}@media (max-width:480px){.kn-hub__bar{padding:16px}.kn-hub__grid{grid-template-columns:minmax(0,1fr)}}@media (prefers-reduced-motion:reduce){.kn-hub__card,.kn-hub__go{transition:none}.kn-hub__card:hover{transform:none}}