/* ============================================================
   cases.css —— AI造物 · 创作者案例区块
   复用站点设计令牌（--paper/--ink/--line/--violet 等，来自站点全局样式）
   ============================================================ */
.cz-wrap { margin: 0 0 22px; }
.cz-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 12px; }
.cz-eyebrow { font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); font-family: var(--mono); }
.cz-head h2 { font-size: 20px; margin: 2px 0 0; color: var(--ink); }
.cz-head p { margin: 4px 0 0; font-size: 13px; color: var(--muted); }
.cz-banner {
  margin: 0 0 12px; padding: 9px 12px; border-radius: 10px; font-size: 12.5px;
  background: color-mix(in srgb, var(--violet) 9%, var(--paper));
  border: 1px solid color-mix(in srgb, var(--violet) 22%, var(--line));
  color: var(--ink);
}
.cz-track {
  display: grid; grid-auto-flow: column; grid-auto-columns: minmax(258px, 1fr);
  gap: 14px; overflow-x: auto; padding: 2px 2px 10px; scroll-snap-type: x mandatory;
}
.cz-card {
  scroll-snap-align: start; background: var(--white); border: 1px solid var(--line);
  border-radius: 16px; overflow: hidden; cursor: pointer; display: flex; flex-direction: column;
  transition: transform .18s ease, box-shadow .18s ease;
}
.cz-card:hover, .cz-card:focus-visible { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(17, 24, 39, .10); outline: none; }
.cz-media { aspect-ratio: 16 / 9; background: var(--line); overflow: hidden; position: relative; }
.cz-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.cz-media-fallback {
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #101827 0%, #1d2a44 55%, #122a4d 100%);
  color: #9fb3d9; font-size: 12px; letter-spacing: .08em;
}
.cz-body { padding: 13px 14px 12px; display: flex; flex-direction: column; gap: 7px; flex: 1; }
.cz-meta { display: flex; align-items: center; gap: 7px; flex-wrap: wrap; font-size: 12px; }
.cz-creator { color: var(--ink); font-weight: 600; }
.cz-badge { padding: 1px 8px; border-radius: 999px; background: color-mix(in srgb, var(--violet) 12%, var(--paper)); color: var(--violet); font-size: 11.5px; }
.cz-stage { color: var(--muted); font-size: 11.5px; }
.cz-title {
  font-size: 15.5px; line-height: 1.4; margin: 0; color: var(--ink);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.cz-summary {
  font-size: 13px; line-height: 1.55; color: var(--muted); margin: 0;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.cz-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; padding-top: 6px; }
.cz-btn { border: 1px solid var(--line); background: var(--white); border-radius: 999px; padding: 4px 11px; font-size: 12px; color: var(--muted); cursor: pointer; }
.cz-btn:hover { color: var(--ink); border-color: var(--ink); }
.cz-btn.on { color: var(--violet); border-color: var(--violet); }
.cz-open { font-size: 12.5px; color: var(--violet); }

/* 详情面板 */
.cz-modal { position: fixed; inset: 0; background: rgba(12, 18, 30, .5); display: none; align-items: flex-end; justify-content: center; z-index: 120; }
.cz-modal.on { display: flex; }
.cz-sheet { background: var(--paper); border-radius: 18px 18px 0 0; max-width: 760px; width: 100%; max-height: 88vh; display: flex; flex-direction: column; }
.cz-close { position: absolute; right: 18px; top: 12px; border: none; background: rgba(12,18,30,.55); color: #fff; width: 32px; height: 32px; border-radius: 50%; font-size: 18px; cursor: pointer; z-index: 2; }
.cz-sheet-body { overflow-y: auto; padding: 0 22px 26px; }
.cz-hero { margin: 0 -22px 14px; aspect-ratio: 16 / 8; overflow: hidden; border-radius: 18px 18px 0 0; background: var(--line); }
.cz-hero img { width: 100%; height: 100%; object-fit: cover; display: block; }
.cz-detail-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: 12.5px; margin-top: 10px; }
.cz-detail-title { font-size: 22px; line-height: 1.35; margin: 8px 0; color: var(--ink); }
.cz-detail-summary { color: var(--muted); font-size: 14.5px; line-height: 1.65; margin: 0 0 8px; }
.cz-sheet-body h2 { font-size: 17px; margin: 22px 0 8px; color: var(--ink); border-left: 3px solid var(--violet); padding-left: 9px; }
.cz-sheet-body h3 { font-size: 15px; margin: 16px 0 6px; }
.cz-sheet-body p, .cz-sheet-body li { font-size: 14.5px; line-height: 1.78; color: var(--ink); }
.cz-sheet-body li { margin: 3px 0; }
.cz-links { display: flex; gap: 10px; flex-wrap: wrap; margin: 20px 0 4px; }
.cz-links a { font-size: 13.5px; color: var(--violet); border: 1px solid color-mix(in srgb, var(--violet) 35%, var(--line)); padding: 7px 16px; border-radius: 999px; text-decoration: none; }
.cz-links a:hover { background: color-mix(in srgb, var(--violet) 8%, var(--paper)); }
.cz-note { font-size: 12.5px; color: var(--muted); border-top: 1px dashed var(--line); padding-top: 12px; margin-top: 14px; }

/* 移动端 */
@media (max-width: 720px) {
  .cz-track { grid-auto-columns: 86%; gap: 11px; }
  .cz-head h2 { font-size: 18px; }
  .cz-detail-title { font-size: 19px; }
  .cz-sheet { max-height: 92vh; }
  .cz-sheet-body { padding: 0 16px 24px; }
  .cz-hero { margin: 0 -16px 12px; }
}