.pdc-hero{position:relative;min-height:347px;padding:54px 0 67px;background:#0a0f1e;color:#fff;overflow:hidden;background-size:cover;background-position:center}
.pdc-hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 15% 25%,rgba(30,106,224,.3) 0%,transparent 55%),radial-gradient(circle at 85% 75%,rgba(0,224,195,.18) 0%,transparent 55%);pointer-events:none}
.pdc-hero-banner{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.35}
.pdc-hero-overlay{position:absolute;inset:0;z-index:1}
.pdc-hero-wrap{position:relative;z-index:2;text-align:center}
.pdc-hero-crumb{font-size:14px;color:rgba(255,255,255,.6);display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:22px;letter-spacing:.5px}
.pdc-hero-crumb a{color:rgba(255,255,255,.85);text-decoration:none;transition:color .3s}
.pdc-hero-crumb a:hover{color:#fff}
.pdc-crumb-sep{opacity:.4}
.pdc-hero-tag{display:inline-flex;align-items:center;gap:6px;padding:6px 16px;border-radius:999px;background:rgba(0,224,195,.12);border:1px solid rgba(0,224,195,.25);color:#00e0c3;font-size:12px;font-weight:500;margin:0 auto 14px;letter-spacing:.3px}
.pdc-hero-tag svg{width:12px;height:12px}
.pdc-hero-title{font-size:40px;font-weight:700;line-height:1.5;letter-spacing:2px;margin-bottom:12px;white-space:pre-line}
.pdc-hero-sub{font-size:15px;color:rgba(255,255,255,.65);max-width:720px;margin:0 auto;line-height:2;letter-spacing:1px;white-space:pre-line}

.yb-case-section{padding:72px 0 96px;background:#fff;color:#1a2238;font-family:"Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif}
.yb-case-section .container{max-width:1200px;margin:0 auto;padding:0 20px}

.yb-caliper{height:14px;border-left:2px solid #1a3a5c;border-right:2px solid #1a3a5c;background:repeating-linear-gradient(90deg,#cbd5e1 0 1px,transparent 1px 10px),repeating-linear-gradient(90deg,#94a3b8 0 1px,transparent 1px 50px);position:relative;margin:10px 0 4px;opacity:.9}
.yb-caliper::after{content:"0";position:absolute;left:50%;top:-2px;transform:translateX(-50%);font-family:"Rajdhani","SFMono-Regular",Consolas,monospace;font-size:11px;color:#1a3a5c;background:#fff;padding:0 4px;letter-spacing:1px}
.yb-eyebrow{display:flex;align-items:center;gap:10px;font-family:"Rajdhani","SFMono-Regular",Consolas,monospace;font-size:13px;letter-spacing:3px;color:#1a3a5c;text-transform:uppercase;margin-bottom:6px}
.yb-eyebrow::before{content:"";width:34px;height:1px;background:#1a3a5c}
.yb-eyebrow::after{content:"";width:6px;height:6px;border-radius:50%;background:#1a3a5c}
.yb-page-title{font-size:clamp(28px,4vw,44px);font-weight:900;margin:18px 0 14px;letter-spacing:.5px;color:#1a2238;line-height:1.25}
.yb-lead{color:#475569;font-size:17px;max-width:760px;line-height:1.8}
.yb-lead strong{color:#1a2238;font-weight:600}

.yb-case-card{display:flex;gap:0;background:#fff;border:1px solid #e5e9f2;border-radius:8px;overflow:hidden;margin-top:38px}
.yb-case-img{flex:0 0 320px;min-height:280px;position:relative;overflow:hidden;background:linear-gradient(135deg,#f1f5f9 0,#e2e8f0 100%)}
.yb-case-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.yb-case-img-ph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#94a3b8}
.yb-case-body{padding:28px 32px;display:flex;flex-direction:column;justify-content:center;flex:1;min-width:0}
.yb-case-no{font-family:"Rajdhani","SFMono-Regular",Consolas,monospace;font-size:12px;letter-spacing:2px;color:#00c2a8;font-weight:600;text-transform:uppercase;display:inline-flex;align-items:center;gap:6px}
.yb-case-no::before{content:"";width:14px;height:1px;background:#00c2a8}
.yb-case-title{font-size:20px;font-weight:700;margin:10px 0 12px;line-height:1.4;color:#1a2238}
.yb-case-title a{color:inherit;text-decoration:none;transition:color .25s}
.yb-case-title a:hover{color:#1a3a5c}
.yb-case-sum{font-size:14px;color:#475569;line-height:1.8;margin:0 0 16px}
.yb-case-sum b{color:#1a2238;font-weight:600}
.yb-case-chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.yb-chip{font-size:12px;color:#475569;border:1px solid #cbd5e1;border-radius:99px;padding:4px 12px;background:#f8fafc;transition:color .2s,border-color .2s,background .2s}
.yb-chip:hover{color:#1a3a5c;border-color:#1a3a5c}
.yb-chip.hot{color:#00c2a8;border-color:rgba(0,194,168,.4);background:rgba(0,194,168,.08);font-weight:600}

.yb-case-badges{display:flex;flex-direction:row;flex-wrap:wrap;gap:8px;margin:0 0 16px}
.yb-case-badge{font-family:"Noto Sans SC",system-ui,sans-serif;font-size:12px;font-weight:600;letter-spacing:.5px;padding:5px 11px;border-radius:4px;color:#fff;background:#000;line-height:1.4;white-space:nowrap}
.yb-case-badge.first{background:#ea580c}

.yb-case-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:28px}
.yb-case-gallery-item{border-radius:8px;overflow:hidden;background:#f1f5f9;aspect-ratio:4/3}
.yb-case-gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.yb-case-gallery-item:hover img{transform:scale(1.05)}

.yb-detail-block{background:#fff;border:1px solid #e5e9f2;border-radius:8px;padding:28px 32px;margin-top:28px}
.yb-detail-title{font-size:22px;font-weight:700;color:#0f172a;margin-bottom:20px;letter-spacing:.5px;display:flex;align-items:center;gap:10px}
.yb-detail-title::before{content:"";width:4px;height:22px;background:linear-gradient(180deg,#1a3a5c 0%,#00c2a8 100%);border-radius:2px}

.yb-detail-content{font-size:15px;color:#334155;line-height:2;letter-spacing:.2px}
.yb-detail-content img{max-width:100%;border-radius:12px;height:auto;margin:18px 0}
.yb-detail-content h3{font-size:18px;font-weight:700;color:#0f172a;margin:28px 0 12px;padding-bottom:8px;border-bottom:2px solid #eff6ff}
.yb-detail-content h4{font-size:15px;font-weight:600;color:#0f172a;margin:20px 0 8px}
.yb-detail-content ul,.yb-detail-content ol{margin:14px 0 14px 22px}
.yb-detail-content li{margin-bottom:8px}
.yb-detail-content p{margin-bottom:16px}

.yb-detail-related{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.yb-detail-rel-card{border:1px solid #e5e9f2;border-radius:8px;overflow:hidden;text-decoration:none;color:inherit;transition:transform .3s ease,box-shadow .3s ease}
.yb-detail-rel-card:hover{transform:translateY(-3px);box-shadow:0 10px 26px rgba(15,23,42,.08)}
.yb-detail-rel-img{aspect-ratio:16/10;overflow:hidden;background:#f1f5f9;position:relative}
.yb-detail-rel-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.yb-detail-rel-card:hover .yb-detail-rel-img img{transform:scale(1.05)}
.yb-detail-rel-ph{display:flex;align-items:center;justify-content:center;color:#94a3b8}
.yb-detail-rel-ph svg{width:32px;height:32px}
.yb-detail-rel-body{padding:14px 16px 16px}
.yb-detail-rel-title{font-size:14px;font-weight:600;color:#1a2238;margin-bottom:4px}
.yb-detail-rel-sub{font-size:12px;color:#64748b;line-height:1.5}

.yb-case-cta{margin-top:48px;text-align:center}
.yb-btn{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,#1a3a5c 0,#2a5278 100%);color:#fff;font-weight:700;padding:14px 32px;border-radius:8px;font-size:15px;border:1px solid #1a3a5c;text-decoration:none;transition:transform .2s,box-shadow .2s;cursor:pointer}
.yb-btn:hover{transform:translateY(-1px);box-shadow:0 12px 28px rgba(26,58,92,.28);color:#fff}
.yb-btn svg{width:15px;height:15px}

@media(max-width:1199px){
  .pdc-hero-title{font-size:32px}
  .yb-case-img{flex:0 0 280px;min-height:240px}
  .yb-case-body{padding:22px 24px}
  .yb-page-title{font-size:36px}
  .yb-detail-related{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:900px){
  .yb-case-card{flex-direction:column}
  .yb-case-img{flex:0 0 240px;width:100%}
  .yb-case-body{padding:20px}
  .yb-case-title{font-size:18px}
  .yb-case-gallery{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .pdc-hero{min-height:267px;padding:40px 0 47px}
  .pdc-hero-title{font-size:26px;letter-spacing:1.5px}
  .pdc-hero-sub{font-size:14px;line-height:1.8}
  .yb-case-section{padding:48px 0 64px}
  .yb-case-section .container{padding:0 15px}
  .yb-page-title{font-size:26px}
  .yb-lead{font-size:15px}
  .yb-case-img{flex:0 0 200px;min-height:200px}
  .yb-case-body{padding:18px}
  .yb-case-badge{font-size:10px;padding:4px 8px}
  .yb-detail-block{padding:20px}
  .yb-detail-title{font-size:18px}
  .yb-detail-related{grid-template-columns:1fr}
  .yb-case-gallery{grid-template-columns:1fr}
  .yb-btn{padding:12px 24px;font-size:14px}
}