/* ===== 案例详情页 ===== */
.page-hero{background:linear-gradient(135deg,#6B7B8D,#7C8B9C);padding:60px 0;color:#fff}
.breadcrumb{color:#c6d3e0;font-size:14px}
.breadcrumb a{color:#d4a843}
.breadcrumb span{margin:0 8px}
.page-hero h1{color:#fff;font-size:32px;margin-top:10px}
.case-tags{max-width:680px;margin:0 auto 40px;display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.case-tags .tag{background:#f0f3f7;border:1px solid #e2e8f0;color:#333;font-size:14px;padding:8px 16px;border-radius:20px}
.case-tags .tag b{color:#1B5E9E}
.case-tags .tag.equip{background:#6B7B8D;color:#fff;border-color:#6B7B8D}
.case-desc{max-width:680px;margin:0 auto 40px;font-size:16px;line-height:1.9;color:#444;text-align:center}
.case-detail{padding:60px 0}
.case-cover{border-radius:14px;overflow:hidden;margin:0 auto 40px;box-shadow:0 12px 34px rgba(0,0,0,.12);max-width:400px}
.case-cover img{width:400px;height:300px;object-fit:cover;display:block}
.case-blocks{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:40px}
.case-block{border-radius:12px;padding:26px;border:1px solid #e8e8e8}
.case-block h3{font-size:20px;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.case-block p{color:#555;line-height:1.9;font-size:15px}
.case-block.challenge{border-left:5px solid #e74c3c}
.case-block.challenge h3{color:#e74c3c}
.case-block.solution{border-left:5px solid #27ae60}
.case-block.solution h3{color:#27ae60}
.case-savings-block{border-left:5px solid #2980b9;text-align:center;grid-column:1/-1;padding:34px}
.case-savings-block .big{font-size:52px;font-weight:800;color:#2980b9;line-height:1.2}
.case-savings-block .lbl{color:#666;font-size:14px;letter-spacing:2px;text-transform:uppercase;margin-top:6px}
.case-testimonial{background:#6B7B8D;color:#fff;border-radius:12px;padding:36px;grid-column:1/-1;position:relative}
.case-testimonial::before{content:'"';position:absolute;top:10px;left:20px;font-size:80px;color:#d4a843;font-family:Georgia,serif;opacity:.4}
.case-testimonial p{color:#e6edf4;font-size:17px;line-height:1.9;font-style:italic}
.case-testimonial .who{color:#d4a843;margin-top:14px;font-style:normal;font-size:14px}
.case-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:10px}
.case-gallery img{width:100%;height:180px;object-fit:cover;border-radius:8px;cursor:pointer;transition:all .3s ease;background:#eef1f5}
.case-gallery img:hover{transform:scale(1.03);box-shadow:0 8px 20px rgba(0,0,0,.15)}
.related-section{padding:60px 0;background:#f8f9fa}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 6px 18px rgba(0,0,0,.06);transition:all .35s ease;display:block}
.related-card:hover{transform:translateY(-6px);box-shadow:0 16px 34px rgba(0,0,0,.14)}
.related-card .img{overflow:hidden;background:#eef1f5;aspect-ratio:16/11}
.related-card .img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.related-card:hover .img img{transform:scale(1.08)}
.related-card .b{padding:14px}
.related-card .b h4{font-size:14px;line-height:1.4}
@media(max-width:768px){.case-blocks{grid-template-columns:1fr}.case-gallery{grid-template-columns:repeat(2,1fr)}.related-grid{grid-template-columns:1fr}}