[hidden]{display:none!important}
.library-intro{padding:38px 0 28px}.library-intro h1{font-size:clamp(28px,5vw,46px);max-width:700px;line-height:1.3}.library-intro p{color:var(--muted);line-height:1.8}.case-tools{padding:22px;background:#f0f5e6;border:1px solid var(--line);border-radius:18px}.case-tools label{font-size:13px;margin-right:12px}.case-tools input{border:1px solid var(--line);border-radius:8px;padding:12px;max-width:100%;background:#fff}.case-tools .filters{margin:18px 0 0;flex-wrap:wrap}.case-tools button[aria-pressed=true]{background:var(--green);color:#fff}.case-card{display:block;background:#fffffa;border:1px solid var(--line);border-radius:18px;padding:25px;margin:16px 0;transition:border-color .15s}.case-card:hover{border-color:var(--green)}.case-card h2{font-size:21px;line-height:1.6;margin:13px 0}.case-card p{line-height:1.9;color:#65735d;font-size:14px}.case-card .read-case{display:block;text-align:right;font-weight:700;font-size:13px}.case-category{font-size:12px;color:var(--green)}#case-detail{max-width:820px;margin:32px auto}#case-detail h1{font-size:clamp(25px,4vw,38px);line-height:1.55;margin:20px 0}#case-detail section{background:#fffffa;border:1px solid var(--line);padding:26px;border-radius:18px;margin:20px 0}#case-detail p,#case-detail li{line-height:2;font-size:16px}#case-detail li{margin:12px 0}#case-detail h2{font-size:21px}.case-note{color:var(--muted);font-size:12px!important}.case-metrics{display:flex;gap:16px;flex-wrap:wrap}.case-metrics div{padding:16px;background:#f0f5e6;border-radius:10px;flex:1;min-width:140px}.case-metrics strong,.case-metrics span{display:block}.case-metrics strong{font-size:25px;margin-bottom:10px}.case-metrics span{font-size:12px}@media(max-width:600px){header>a:last-child{font-size:11px}.library-intro{padding:20px 0}.case-card{padding:19px}.case-card h2{font-size:18px}#case-detail section{padding:20px}.case-tools input{width:100%;margin-top:10px}}