.knowledge-library{padding:10px 0}.knowledge-intro{max-width:660px;margin:12px 0 30px}.knowledge-intro h2{margin:0;color:var(--navy);font:600 clamp(30px,4vw,45px)/1.1 var(--serif)}.knowledge-intro p:last-child{color:var(--muted)}.knowledge-columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.knowledge-columns section{min-width:0;padding:26px;background:#fff;border:1px solid var(--line);border-radius:26px 8px 26px 8px}.knowledge-columns h3{margin:0 0 14px;color:var(--navy);font:600 27px/1.1 var(--serif)}.knowledge-list{display:grid;gap:10px}.knowledge-item{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:start;padding:15px;background:var(--paper);border-radius:12px;color:var(--ink);text-decoration:none}.knowledge-item:hover{background:#fff0ed}.knowledge-item small,.knowledge-item strong{display:block}.knowledge-item small{margin-bottom:3px;color:var(--muted);font-size:11px}.knowledge-item strong{font-size:14px;line-height:1.4}.knowledge-mark{color:var(--orange);font-size:20px}.note-stamp{min-width:40px;color:var(--orange);font-size:12px;font-weight:900}.knowledge-item b{color:var(--navy)}.knowledge-columns .empty{margin:0;padding:17px;font-size:14px}@media(max-width:850px){.knowledge-columns{grid-template-columns:1fr}}