.case-filter{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:45px}.case-filter button{border:1px solid var(--line);background:#fff;padding:10px 16px;color:var(--ink);cursor:pointer;font-size:13px}.case-filter button:hover,.case-filter button.active{background:var(--navy);color:#fff;border-color:var(--navy)}.case-card.hidden{display:none}.empty-case{display:none;text-align:center;padding:70px;background:#eef5f7}.empty-case.show{display:block}.empty-case h3{font-size:28px;margin:0}.empty-case p{color:var(--muted);margin-bottom:25px}