.usecase-library .guide-heading h2,.faq-section>h2{font-size:clamp(26px,2.5vw,34px);line-height:1.6}
.usecase-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:32px}
.usecase-card{display:flex;flex-direction:column;gap:20px;padding:28px 24px;border:1px solid var(--line);border-top:3px solid var(--ink);background:#fff;transition:background .25s,box-shadow .25s}
.usecase-card h3{font-size:22px;line-height:1.65;margin:0}.usecase-card p{font-size:14px;line-height:1.85;color:#33465d;margin:0}.usecase-card .kicker{font-size:11px}.usecase-card-detail{margin-top:auto;padding-top:16px;border-top:1px solid var(--line);font-size:13px;display:flex;justify-content:space-between}
@media(hover:hover){.usecase-card:hover{background:#f6f8fa;box-shadow:0 8px 24px rgba(12,39,72,.07)}}
.usecase-card:focus-visible{outline:2px solid var(--ink);outline-offset:4px}
.faq-section{max-width:1000px}.faq-list{margin-top:32px;border-top:1px solid var(--line)}.faq-list details{border-bottom:1px solid var(--line);padding:0 4px}.faq-list summary{cursor:pointer;padding:24px 32px 24px 0;position:relative;font-size:16px;line-height:1.7;font-weight:600;list-style:none}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary::after{content:'+';position:absolute;right:4px;top:24px;font-size:22px;font-weight:400}.faq-list details[open] summary::after{content:'−'}.faq-list details>p{font-size:15px;line-height:1.9;max-width:48em;color:#33465d;margin:0;padding:0 32px 24px 0}
.case-page{background:#fff;color:var(--ink)}.case-header{max-width:1160px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:24px}.case-header img{width:120px;height:auto}.case-header>a:last-child{font-size:13px;border-bottom:1px solid var(--line);padding-bottom:6px}.case-wrap{max-width:1080px;margin:auto;padding:24px 32px 64px}.case-breadcrumb{font-size:12px;margin-bottom:48px;color:var(--muted)}.case-page h1{font-size:clamp(28px,3.5vw,44px);line-height:1.5;max-width:23em;margin:24px 0;letter-spacing:.02em}.case-lead{font-size:17px;line-height:1.9;max-width:42em}.case-status{font-size:12px;line-height:1.8;padding:16px 0;color:#526276;border-bottom:1px solid var(--line)}
.case-demo{margin:32px 0 48px;max-width:820px}.case-demo>div{overflow:hidden;border:1px solid var(--line)}.case-demo img{display:block;width:123.387097%;max-width:none;height:auto;margin-left:-22.043011%}.case-demo figcaption{font-size:11px;color:#526276;margin-top:12px;line-height:1.8}
.case-preview{display:grid;grid-template-columns:repeat(3,1fr);margin:32px 0 48px;border:1px solid var(--line)}.case-preview>div{padding:24px;background:#f6f8fa}.case-preview>div+div{border-left:1px solid var(--line)}.case-preview span{display:block;font-size:11px;color:#526276;margin-bottom:12px}.case-preview strong{font-size:18px}
.case-columns{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:56px;align-items:start}.case-columns section{margin-bottom:40px}.case-page h2{font-size:24px;line-height:1.6;margin:0 0 20px}.case-columns p{font-size:15px;line-height:1.95;color:#33465d}.case-flow{list-style:none;padding:0}.case-flow li{display:flex;align-items:flex-start;gap:20px;border-top:1px solid var(--line);padding:24px 0}.case-flow li>span{font:28px var(--serif);color:var(--muted)}.case-flow h3{font-family:var(--sans);font-size:17px;line-height:1.6;margin:0 0 8px}.case-sample{font:14px/2 var(--sans);padding:24px;background:#f4f6f9;border-left:3px solid var(--ink);white-space:pre-wrap;overflow-wrap:anywhere;margin:0}
.case-meta{background:#f6f8fa;padding:24px}.case-meta h2{font-family:var(--sans);font-size:17px}.case-meta h3{font-family:var(--sans);font-size:13px;margin:24px 0 8px}.case-meta p,.case-meta li{font-size:13px;line-height:1.9}.case-meta ul{padding-left:18px}
.case-consult{border-top:2px solid var(--ink);padding:40px 0;margin-top:16px}.case-consult p{font-size:15px;line-height:1.9}.case-consult .button{margin-top:24px;display:inline-flex;min-height:52px}.case-consult .case-fineprint{font-size:12px;margin-top:16px;color:#526276}.case-related{border-top:1px solid var(--line);padding-top:32px}.case-related a{display:block;padding:16px 0;border-bottom:1px solid var(--line);font-size:14px;line-height:1.8}.case-footer{padding:32px;text-align:center;font-size:12px;border-top:1px solid var(--line)}
@media(max-width:1000px){.usecase-grid{grid-template-columns:1fr 1fr}.case-columns{grid-template-columns:minmax(0,1fr) 240px;gap:32px}}
@media(max-width:700px){.case-columns{grid-template-columns:1fr}.case-wrap{padding:16px 20px 40px}.case-breadcrumb{margin-bottom:32px}.case-page h1{font-size:28px}.case-page h2{font-size:23px}.case-meta{margin-bottom:32px}.case-preview{grid-template-columns:1fr}.case-preview>div+div{border-left:0;border-top:1px solid var(--line)}.case-demo{margin:24px 0 32px}}
@media(max-width:600px){.usecase-grid{grid-template-columns:1fr;gap:16px}.usecase-card{padding:24px;gap:16px}.usecase-card h3{font-size:22px}.faq-list summary{font-size:15px}.faq-list details>p{font-size:14px}.case-consult .button{width:100%;min-width:0}}
@media(prefers-reduced-motion:reduce){.usecase-card{transition:none}}

.integration-route{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin:32px 0 16px;padding:24px;background:#f5f7fa;border:1px solid var(--line)}.integration-route>span{font:500 14px/1.6 var(--sans);padding:10px 14px;background:#fff;border:1px solid var(--line)}.integration-route>b{font-weight:400;color:var(--muted)}.case-page .case-fineprint{font-size:12px;line-height:1.85;color:#526276;margin-bottom:32px}.case-tool-tags{display:flex;flex-wrap:wrap;gap:6px}.case-tool-tags span{font:11px/1.5 var(--sans);color:#33465d;background:#f3f5f8;padding:5px 8px}.case-columns{margin-top:40px}@media(max-width:600px){.integration-route{padding:16px;gap:8px}.integration-route>span{font-size:12px;padding:8px 10px}}