:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --text: #1f2430;
  --text-soft: #626a78;
  --border: #e3e6ec;
  --primary: #0f766e;
  --primary-soft: #d7efec;
  --primary-text: #ffffff;
  --shadow: 0 1px 3px rgba(20, 30, 50, .08), 0 1px 2px rgba(20, 30, 50, .04);
  --shadow-lg: 0 12px 32px rgba(20, 30, 50, .18);
  --radius: 12px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151c; --surface: #1b1f29; --text: #e8eaf0; --text-soft: #9aa2b1;
    --border: #2b303c; --primary: #2dd4bf; --primary-soft: #10312e; --primary-text: #06231f;
    --shadow: 0 1px 3px rgba(0,0,0,.4); --shadow-lg: 0 12px 32px rgba(0,0,0,.5);
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }   /* 確保 hidden 屬性能蓋過下方的 display 設定 */
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: "Segoe UI", "Microsoft JhengHei", "PingFang TC", system-ui, sans-serif;
  line-height: 1.5;
}
a { color: var(--primary); }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: var(--surface); border-bottom: 1px solid var(--border); box-shadow: var(--shadow);
}
.header-inner {
  max-width: 1240px; margin: 0 auto; padding: 12px 20px;
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
}
.brand { display: flex; align-items: baseline; gap: 8px; }
.brand-mark {
  font-size: 22px; font-weight: 800; letter-spacing: .5px;
  color: var(--primary);
}
.brand-sub { font-size: 14px; color: var(--text-soft); }
.search-box { flex: 1; min-width: 200px; }
.search-box input {
  width: 100%; padding: 10px 14px; font-size: 15px;
  border: 1px solid var(--border); border-radius: 999px; background: var(--bg); color: var(--text);
  outline: none; transition: border-color .15s, box-shadow .15s;
}
.search-box input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.result-count { font-size: 13px; color: var(--text-soft); white-space: nowrap; }

/* Filters */
.filters {
  max-width: 1240px; margin: 0 auto; padding: 12px 20px 0;
}
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chips.subs { margin-top: 8px; }
.chip {
  padding: 6px 14px; font-size: 13px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--border); background: var(--surface); color: var(--text-soft);
  transition: all .15s; white-space: nowrap;
}
.chip:hover { border-color: var(--primary); color: var(--primary); }
.chip.active { background: var(--primary); color: var(--primary-text); border-color: var(--primary); }
.chip .n { opacity: .65; font-size: 11px; margin-left: 4px; }
.chip.sub { font-size: 12px; padding: 4px 12px; }

/* Grid */
.container { max-width: 1240px; margin: 0 auto; padding: 18px 20px 40px; }
.grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
}
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; cursor: pointer; box-shadow: var(--shadow);
  display: flex; flex-direction: column; transition: transform .12s, box-shadow .12s;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.card-img {
  aspect-ratio: 1 / 1; background: #fff; display: flex; align-items: center; justify-content: center;
  overflow: hidden; border-bottom: 1px solid var(--border);
}
.card-img img { width: 100%; height: 100%; object-fit: contain; }
.card-img.noimg::after { content: "無圖片"; color: var(--text-soft); font-size: 13px; }
.card-body { padding: 10px 12px 12px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card-name { font-size: 14px; font-weight: 600; color: var(--text);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-meta { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; margin-top: auto; }
.tag { font-size: 11px; padding: 2px 8px; border-radius: 6px; background: var(--primary-soft); color: var(--primary); }
.tag.model { background: var(--bg); color: var(--text-soft); border: 1px solid var(--border); }

.empty { text-align: center; color: var(--text-soft); padding: 60px 20px; font-size: 15px; }
.more-wrap { text-align: center; margin-top: 28px; }
.btn-more {
  padding: 10px 28px; font-size: 14px; border-radius: 999px; cursor: pointer;
  background: var(--surface); color: var(--primary); border: 1px solid var(--primary);
  transition: background .15s, color .15s;
}
.btn-more:hover { background: var(--primary); color: var(--primary-text); }
.showing { margin-top: 12px; font-size: 12px; color: var(--text-soft); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border); background: var(--surface);
  text-align: center; padding: 18px; font-size: 13px; color: var(--text-soft);
}

/* Modal */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 50; background: rgba(10, 14, 22, .55);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.modal {
  position: relative; background: var(--surface); border-radius: 16px; max-width: 860px; width: 100%;
  max-height: 90vh; overflow: auto; box-shadow: var(--shadow-lg);
}
.modal-close {
  position: absolute; top: 12px; right: 14px; z-index: 2;
  width: 34px; height: 34px; border-radius: 50%; border: none; cursor: pointer;
  background: rgba(0,0,0,.06); color: var(--text); font-size: 22px; line-height: 1;
}
.modal-close:hover { background: rgba(0,0,0,.14); }
.modal-body { padding: 26px; }
.m-title { font-size: 22px; font-weight: 700; margin: 0 0 4px; padding-right: 30px; }
.m-cat { color: var(--text-soft); font-size: 14px; margin-bottom: 16px; }
.m-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; margin: 16px 0; }
.m-gallery img { width: 100%; border-radius: 8px; border: 1px solid var(--border); background: #fff; }
.m-row { display: flex; gap: 10px; padding: 8px 0; border-top: 1px solid var(--border); font-size: 14px; }
.m-row .k { color: var(--text-soft); min-width: 72px; flex-shrink: 0; }
.m-row .v { color: var(--text); white-space: pre-wrap; }
.m-actions { margin-top: 18px; }
.btn-link {
  display: inline-block; padding: 9px 20px; border-radius: 8px; background: var(--primary);
  color: var(--primary-text); text-decoration: none; font-size: 14px;
}
.loading { text-align: center; color: var(--text-soft); padding: 40px; }

@media (max-width: 560px) {
  .grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
  .header-inner { gap: 12px; }
  .result-count { display: none; }
}