/* KBoard Card Skin (card-simple v4.0) - tight spacing, square thumbs, centered title */
:root {
  --kb-card-radius: 10px;
  --kb-card-gap: 6px;
  --kb-card-padding: 8px;
  --kb-card-border: 1px solid #eceff3;
  --kb-card-shadow: 0 1px 4px rgba(0,0,0,.04);
  --kb-card-shadow-hover: 0 6px 14px rgba(0,0,0,.10);
  --kb-thumb-ratio: 100%;
}
.kboard-toolbar{display:flex;align-items:center;justify-content:flex-end;margin-bottom:6px}
.kboard-write-button{display:inline-block;padding:6px 10px;border-radius:9px;background:#fff;border:1px solid #e6e8eb;color:#111;text-decoration:none;box-shadow:0 1px 2px rgba(0,0,0,.03);transition:transform .12s,box-shadow .12s,border-color .12s;font-weight:600;font-size:13px}
.kboard-write-button:hover{box-shadow:0 3px 10px rgba(0,0,0,.08);transform:translateY(-1px);border-color:#d0d2d6}
.kboard-cardlist{box-sizing:border-box}
.kboard-card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--kb-card-gap);align-items:stretch}
@media (max-width:1280px){.kboard-card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:980px){.kboard-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.kboard-card-grid{grid-template-columns:1fr}}
.kboard-card{display:flex;border:var(--kb-card-border);border-radius:var(--kb-card-radius);background:#fff;box-shadow:var(--kb-card-shadow);transition:transform .15s,box-shadow .15s}
.kboard-card:hover{transform:translateY(-1px);box-shadow:var(--kb-card-shadow-hover)}
.kboard-card-link{display:flex;flex-direction:column;gap:6px;padding:var(--kb-card-padding);width:100%;text-decoration:none;color:inherit}
.kboard-cardlist .kboard-card .kboard-card-thumb{position:relative;width:100%;padding-top:var(--kb-thumb-ratio);border-radius:8px;overflow:hidden;background:#f2f5f9;border:1px solid #eef1f5}
.kboard-cardlist .kboard-card .kboard-card-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;max-width:none}
.kboard-card-title{font-size:18px;font-weight:700;line-height:1.4;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;word-break:keep-all;color:#111;text-align:center}
.kboard-empty{grid-column:1/-1;text-align:center;color:#666;padding:24px 0;border:1px dashed #ddd;border-radius:8px;background:#fafafa}
.kboard-pagination{margin-top:12px;display:flex;justify-content:center}
.kboard-pagination a,.kboard-pagination span{display:inline-block;margin:0 3px;padding:6px 9px;border-radius:9px;text-decoration:none;border:1px solid #e6e8eb;color:#333;background:#fff}
.kboard-pagination .current{font-weight:700;border-color:#222}