.ptg-hero{position:relative;padding:110px 0 70px;background:linear-gradient(135deg,#1a2538 0%,#1e3a5f 100%);color:#fff}
.ptg-hero-inner{position:relative;z-index:2}
.ptg-hero-crumb{font-size:14px;color:rgba(255,255,255,.75);display:flex;align-items:center;gap:8px;margin-bottom:18px}
.ptg-hero-crumb a{color:rgba(255,255,255,.85);text-decoration:none}
.ptg-hero-crumb a:hover{color:#fff}
.ptg-crumb-sep{opacity:.5}
.ptg-hero-title{font-size:40px;font-weight:700;line-height:1.3;margin-bottom:14px}
.ptg-hero-sub{font-size:16px;color:rgba(255,255,255,.85)}
.ptg-section{padding:70px 0 90px}
.ptg-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.ptg-card{display:block;background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;color:var(--text);transition:box-shadow var(--transition),transform var(--transition)}
.ptg-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);color:var(--text)}
.ptg-card-img{height:170px;overflow:hidden;background:var(--bg-alt)}
.ptg-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.ptg-card:hover .ptg-card-img img{transform:scale(1.05)}
.ptg-card-ph{width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:var(--text-light)}
.ptg-card-body{padding:16px 18px 18px}
.ptg-card-title{font-size:15px;font-weight:600;color:var(--dark);margin-bottom:6px;line-height:1.5}
.ptg-card-sum{font-size:13px;color:var(--text-muted);margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ptg-card-more{font-size:13px;color:var(--primary-dark)}
.ptg-empty{text-align:center;padding:80px 20px;color:var(--text-light)}
.ptg-empty svg{display:block;margin:0 auto 16px}
.ptg-pagination{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:44px;flex-wrap:wrap}
.ptg-pg-btn{min-width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;padding:0 12px;border:1px solid var(--border);border-radius:8px;background:#fff;color:var(--text);font-size:14px;transition:all var(--transition)}
.ptg-pg-btn:hover{border-color:var(--primary);color:var(--primary-dark)}
.ptg-pg-btn.is-active{background:var(--primary);border-color:var(--primary);color:#fff}
@media(max-width:1199px){
  .ptg-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:768px){
  .ptg-hero{padding:96px 0 46px}
  .ptg-hero-title{font-size:26px}
  .ptg-hero-sub{font-size:14px}
  .ptg-section{padding:40px 0 56px}
  .ptg-grid{grid-template-columns:repeat(2,1fr);gap:14px}
}