:root{
  --pk-orange:#ff7a00;
  --pk-dark:#0f172a;
  --pk-border:#e5e7eb;
  --pk-bg:#ffffff;
  --pk-text:#1f2937;
  --pk-muted:#6b7280;
}
*{box-sizing:border-box;}
.pk-container{max-width:1200px;margin:0 auto;padding:0 16px;}
.pk-header-wrap{background:#fff;border-bottom:1px solid var(--pk-border);position:relative;z-index:50;}
.pk-topbar{background:#fff;}
.pk-topbar-inner{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:14px 0;
}
.pk-brand-link{text-decoration:none;color:inherit;}
.pk-brand-title{display:block;font-size:34px;line-height:1;font-weight:800;color:var(--pk-dark);}
.pk-brand-tagline{display:block;margin-top:4px;font-size:14px;color:var(--pk-muted);}
.pk-search-banner{
  display:flex;align-items:center;justify-content:flex-end;gap:14px;flex:1;
}
.pk-search-form{
  display:flex;align-items:center;gap:8px;min-width:320px;
}
.pk-search-input{
  width:100%;padding:11px 15px;border:1px solid #cbd5e1;border-radius:999px;
  font-size:14px;outline:none;
}
.pk-search-input:focus{border-color:var(--pk-orange);}
.pk-search-btn,.pk-login-btn,.pk-mobile-search button{
  border:none;background:var(--pk-dark);color:#fff;padding:11px 18px;border-radius:999px;
  font-weight:700;cursor:pointer;
}
.pk-search-btn:hover,.pk-login-btn:hover,.pk-mobile-search button:hover{background:var(--pk-orange);}
.pk-header-banner{
  width:260px;height:56px;object-fit:cover;border-radius:10px;border:1px solid var(--pk-border);
}
.pk-login-area{display:flex;align-items:center;gap:10px;position:relative;}
.pk-user-dropdown{position:relative;}
.pk-dropdown-menu{
  position:absolute;right:0;top:48px;background:#fff;border:1px solid var(--pk-border);
  border-radius:14px;min-width:200px;padding:8px;box-shadow:0 12px 30px rgba(0,0,0,.08);
  display:none;
}
.pk-dropdown-menu.show{display:block;}
.pk-dropdown-menu a{
  display:block;padding:10px 12px;border-radius:10px;color:var(--pk-text);text-decoration:none;font-weight:600;
}
.pk-dropdown-menu a:hover{background:#f8fafc;color:var(--pk-orange);}
.pk-mobile-toggle{
  display:none;border:1px solid var(--pk-border);background:#fff;padding:9px 12px;border-radius:12px;
  font-size:20px;cursor:pointer;
}
.pk-nav-sticky{
  position:sticky;top:0;background:#fff;border-top:1px solid #f1f5f9;border-bottom:1px solid var(--pk-border);
  z-index:49;
}
.pk-nav-inner{display:flex;align-items:center;justify-content:flex-start;}
.pk-main-nav{display:flex;gap:6px;overflow:auto;white-space:nowrap;padding:0;}
.pk-main-nav a{
  display:inline-block;padding:14px 14px;color:var(--pk-text);text-decoration:none;font-weight:700;
  border-bottom:3px solid transparent;
}
.pk-main-nav a:hover{color:var(--pk-orange);border-bottom-color:var(--pk-orange);}
.pk-mobile-panel{
  display:none;border-top:1px solid var(--pk-border);background:#fff;
}
.pk-mobile-panel.show{display:block;}
.pk-mobile-panel-inner{padding:14px 16px 18px;}
.pk-mobile-search{display:flex;gap:8px;margin-bottom:14px;}
.pk-mobile-search input{
  width:100%;padding:11px 14px;border:1px solid #cbd5e1;border-radius:14px;outline:none;
}
.pk-mobile-nav,.pk-mobile-login-links{display:grid;gap:8px;}
.pk-mobile-nav a,.pk-mobile-login-links a{
  text-decoration:none;color:var(--pk-text);padding:12px 14px;background:#f8fafc;border-radius:12px;font-weight:700;
}
.pk-mobile-nav a:hover,.pk-mobile-login-links a:hover{background:#fff7ed;color:var(--pk-orange);}
@media (max-width: 992px){
  .pk-topbar-inner{flex-wrap:wrap;align-items:flex-start;}
  .pk-search-banner{order:3;width:100%;justify-content:space-between;}
  .pk-search-form{flex:1;min-width:0;}
  .pk-header-banner{width:220px;height:52px;}
}
@media (max-width: 768px){
  .pk-brand-title{font-size:28px;}
  .pk-search-banner{display:none;}
  .pk-main-nav{display:none;}
  .pk-mobile-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .pk-nav-sticky{position:sticky;top:0;}
}