*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Noto Sans",sans-serif;line-height:1.6;color:#1f2937;background:#f8fafc}

.pk-header{position:sticky;top:0;z-index:10;background:#ffffff;border-bottom:1px solid #e5e7eb}
.pk-title{margin:0;padding:16px 20px;font-size:20px}
.pk-controls{display:flex;gap:12px;align-items:center;flex-wrap:wrap;padding:0 20px 16px}
.pk-search input{width:260px;max-width:72vw;padding:10px 12px;border:1px solid #d1d5db;border-radius:8px;background:#fff}

.pk-tags{display:flex;flex-wrap:wrap;gap:8px}
.pk-tag{padding:8px 10px;border:1px solid #d1d5db;border-radius:999px;background:#fff;color:#374151;cursor:pointer;user-select:none}
.pk-tag.is-active{background:#111827;color:#fff;border-color:#111827}

.pk-main{padding:20px}
.pk-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}

.pk-card{display:flex;flex-direction:column;gap:8px;background:#ffffff;border:1px solid #e5e7eb;border-radius:12px;padding:14px;box-shadow:0 1px 2px rgba(0,0,0,0.04)}
.pk-card__header{display:flex;justify-content:space-between;align-items:center;gap:12px}
.pk-card__title{margin:0;font-size:16px;color:#111827}
.pk-card__desc{margin:0;color:#4b5563;font-size:14px}
.pk-card__tags{display:flex;flex-wrap:wrap;gap:6px}
.pk-chip{display:inline-flex;align-items:center;height:22px;padding:0 8px;border-radius:999px;background:#eef2ff;color:#3730a3;font-size:12px}
.pk-card__actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:4px}

.pk-btn{appearance:none;border:1px solid #d1d5db;background:#fff;color:#111827;padding:8px 12px;border-radius:8px;cursor:pointer}
.pk-btn--primary{background:#111827;color:#fff;border-color:#111827}
.pk-btn--ghost{background:#fff}

.pk-modal{position:fixed;inset:0;background:rgba(0,0,0,0.48);display:none;align-items:center;justify-content:center;padding:20px}
.pk-modal[aria-hidden="false"]{display:flex}
.pk-modal__dialog{width:min(920px,92vw);background:#fff;border-radius:12px;overflow:hidden}
.pk-modal__close{position:absolute;margin:10px 0 0 -10px;transform:translate(100%,-100%);border:none;background:#111827;color:#fff;border-radius:999px;width:32px;height:32px;cursor:pointer}
.pk-modal__body{padding:16px}
.pk-modal__body iframe{width:100%;height:70vh;border:none;border:1px solid #e5e7eb;border-radius:8px}
.pk-tip{margin-top:8px;color:#6b7280;font-size:12px}

.pk-pay{display:flex;flex-direction:column;gap:14px;align-items:center}
.pk-pay__title{font-weight:600}
.pk-pay__qr{width:260px;height:260px;object-fit:contain;border:1px dashed #d1d5db;border-radius:8px;background:#f9fafb}
.pk-pay__actions{display:flex;gap:8px}

@media (max-width:640px){
  .pk-list{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}
}