/* ===== 基礎 ===== */
:root {
  --ink: #1f2328;
  --ink-soft: #5b636d;
  --ink-mute: #858d96;
  --line: #e3e6ea;
  --line-soft: #eef0f3;
  --bg: #ffffff;
  --bg-soft: #f7f8f9;
  --accent: #2b5070;
  --accent-soft: #eef3f7;
  --warn: #9a5b1e;
  --radius: 6px;
  --row: 210px;          /* 縮圖列高，寬度由每張照片的比例決定 */
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC",
               "PingFang TC", "Microsoft JhengHei", sans-serif;
  font-size: 16px;
  line-height: 1.7;
}
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
h1, h2, h3 { line-height: 1.35; font-weight: 600; margin: 0; }
p { margin: 0; }
.muted { color: var(--ink-mute); font-size: 0.86rem; }

/* ===== 頁首 ===== */
.site-head { border-bottom: 1px solid var(--line); padding: 34px 0 26px; }
.site-head h1 { font-size: 1.7rem; letter-spacing: -0.01em; }
.site-head .subtitle { color: var(--ink-soft); margin-top: 6px; }
.site-head .meta { color: var(--ink-mute); font-size: 0.86rem; margin-top: 10px; }
.site-head .contact { color: var(--ink-soft); margin-top: 3px; }

/* ===== 工具列 ===== */
.toolbar {
  position: sticky; top: 0; z-index: 30;
  background: rgba(255,255,255,0.96);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.toolbar-inner {
  display: flex; align-items: center; gap: 16px;
  padding-top: 10px; padding-bottom: 10px;
}
.chips { display: flex; gap: 6px; overflow-x: auto; flex: 1; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chips a {
  flex: 0 0 auto; padding: 5px 11px; border-radius: 999px;
  border: 1px solid var(--line); color: var(--ink-soft);
  text-decoration: none; font-size: 0.85rem; white-space: nowrap;
}
.chips a:hover { border-color: var(--accent); color: var(--accent); }
.controls { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }
.btn {
  border: 1px solid var(--line); background: #fff; color: var(--ink-soft);
  padding: 5px 12px; border-radius: var(--radius); font-size: 0.85rem;
  cursor: pointer; font-family: inherit; white-space: nowrap;
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn-print { border-color: var(--accent); color: var(--accent); }
.btn[disabled] { opacity: 0.55; cursor: progress; }

/* ===== 區塊 ===== */
section { padding: 34px 0; border-bottom: 1px solid var(--line-soft); scroll-margin-top: 62px; }
section > h2 {
  font-size: 1.2rem; margin-bottom: 4px;
  display: flex; align-items: baseline; gap: 10px;
}
section > h2 .tag {
  font-size: 0.72rem; font-weight: 500; color: var(--ink-mute);
  border: 1px solid var(--line); border-radius: 999px; padding: 1px 8px;
}
.sec-summary { color: var(--ink-soft); font-size: 0.92rem; margin-bottom: 18px; }
.sub-h { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.06em;
  color: var(--ink-mute); margin: 22px 0 10px; }

/* ===== 說明清單 ===== */
ul.notes { margin: 0 0 4px; padding-left: 1.15em; }
ul.notes > li { margin-bottom: 5px; }
ul.notes ul { margin: 5px 0 8px; padding-left: 1.15em; }
ul.notes ul li { color: var(--ink-soft); font-size: 0.94rem; margin-bottom: 3px; }

/* ===== 搬運條件 ===== */
.logi-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 18px; }
.logi-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; }
.logi-card h3 { font-size: 0.95rem; color: var(--accent); margin-bottom: 10px; }
.logi-card dl { display: grid; grid-template-columns: 5.2em 1fr; gap: 4px 10px; margin: 0; font-size: 0.9rem; }
.logi-card dt { color: var(--ink-mute); }
.logi-card dd { margin: 0; }
.logi-date { font-size: 0.9rem; margin-bottom: 14px; }
.logi-date strong { color: var(--accent); }

/* ===== 表格 ===== */
table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
th, td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
th { color: var(--ink-mute); font-weight: 600; font-size: 0.8rem; border-bottom-color: var(--line); white-space: nowrap; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
td .note { color: var(--warn); }

/* ===== 圖片 ===== */
/* 統一列高、寬度依各自比例，像照片牆一樣排滿換行 */
.img-grid { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 12px; }
figure.shot {
  margin: 0;
  /* 基準寬度＝比例×列高；同一排有剩餘空間時等比撐開，
     最多 1.2 倍，左右各裁掉不到 8%，點開仍是完整原圖 */
  flex: var(--ar, 1.333) 0 calc(var(--ar, 1.333) * var(--row));
  max-width: min(100%, calc(var(--ar, 1.333) * var(--row) * 1.2));
}
figure.shot button.frame {
  display: block; width: 100%; height: var(--row); padding: 0; cursor: zoom-in;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--bg-soft); overflow: hidden;
}
figure.shot img { display: block; width: 100%; height: 100%; object-fit: cover; }
figure.shot figcaption {
  font-size: 0.82rem; color: var(--ink-soft); padding: 6px 2px 0;
  overflow-wrap: anywhere;
}
figure.shot figcaption .no {
  display: inline-block; min-width: 1.6em; margin-right: 5px; padding: 0 5px;
  background: var(--accent-soft); color: var(--accent); border-radius: 3px;
  font-size: 0.74rem; text-align: center;
}
/* 平面圖是拿來讀的，給大一點 */
#overview .img-grid { --row: 320px; }

details.detail-block { margin-top: 6px; }
details.detail-block > summary {
  cursor: pointer; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.06em;
  color: var(--ink-mute); margin: 22px 0 10px; list-style: none;
}
details.detail-block > summary::-webkit-details-marker { display: none; }
details.detail-block > summary::before { content: "▸ "; }
details.detail-block[open] > summary::before { content: "▾ "; }
details.detail-block > summary:hover { color: var(--accent); }

/* ===== 頁尾 ===== */
.site-foot { padding: 26px 20px 50px; color: var(--ink-soft); font-size: 0.9rem; }
.site-foot p + p { margin-top: 6px; }

/* ===== Lightbox ===== */
.lightbox {
  position: fixed; inset: 0; z-index: 100; background: rgba(16,19,22,0.94);
  display: flex; align-items: center; justify-content: center; padding: 40px 20px;
}
.lightbox[hidden] { display: none; }
.lb-figure { margin: 0; max-width: 100%; max-height: 100%; display: flex;
  flex-direction: column; align-items: center; gap: 12px; }
.lb-figure img { max-width: 100%; max-height: 82vh; object-fit: contain; background: #fff; }
.lb-figure figcaption { color: #e6e9ec; font-size: 0.9rem; text-align: center; }
.lb-count { color: #9aa3ad; margin-left: 10px; font-variant-numeric: tabular-nums; }
.lb-close, .lb-nav {
  position: absolute; background: rgba(18,20,23,0.55); color: #fff;
  border: 0; cursor: pointer; border-radius: var(--radius);
  touch-action: manipulation; -webkit-tap-highlight-color: transparent;
}
.lb-close { top: 16px; right: 16px; width: 48px; height: 48px; font-size: 1.25rem; }
.lb-nav {
  top: 50%; transform: translateY(-50%);
  width: 60px; height: 112px; font-size: 2.6rem; line-height: 1;
}
.lb-prev { left: 12px; }
.lb-next { right: 12px; }
.lb-close:hover, .lb-nav:hover,
.lb-close:active, .lb-nav:active { background: rgba(18,20,23,0.78); }

/* ===== 手機 ===== */
@media (max-width: 720px) {
  body { font-size: 15px; }
  .wrap { padding: 0 16px; }
  .toolbar-inner { gap: 10px; }
  .logi-grid { grid-template-columns: 1fr; }
  :root { --row: 165px; }
  #overview .img-grid { --row: 230px; }
  .img-grid { gap: 8px; }
  section { scroll-margin-top: 58px; padding: 26px 0; }
  .lightbox { padding: 44px 8px; }
  .lb-nav { width: 54px; height: 104px; font-size: 2.4rem; }
  .lb-prev { left: 6px; }
  .lb-next { right: 6px; }
  .lb-close { top: 10px; right: 10px; }
  .lb-figure figcaption { font-size: 0.85rem; }
  table { font-size: 0.84rem; }
  th, td { padding: 6px 6px; }
}

/* ===== 列印：以原圖為主 ===== */
@media print {
  @page { size: A4; margin: 14mm 12mm; }
  body { font-size: 10.5pt; line-height: 1.55; color: #000; }
  .wrap { max-width: none; padding: 0; }
  .toolbar, .lightbox, .site-foot .muted { display: none !important; }
  .site-head { border-bottom: 2px solid #000; padding: 0 0 10px; }
  .site-head h1 { font-size: 16pt; }

  section { border-bottom: 0; padding: 10pt 0 0; break-inside: auto; }
  section.page-break { break-before: page; }
  section > h2 { font-size: 12.5pt; border-bottom: 1px solid #999; padding-bottom: 4pt; margin-bottom: 8pt; }
  .sub-h, details.detail-block > summary { margin: 12pt 0 6pt; color: #000; }
  details.detail-block > summary::before,
  details.detail-block[open] > summary::before { content: ""; }
  #overview { break-before: page; }

  .logi-grid { gap: 10pt; break-inside: avoid; }
  .logi-card { border: 1px solid #bbb; padding: 8pt 10pt; }
  table { break-inside: auto; font-size: 9pt; }
  tr { break-inside: avoid; }
  thead { display: table-header-group; }

  .img-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8pt; }
  figure.shot { break-inside: avoid; width: auto; max-width: none; }
  figure.shot button.frame { height: auto; }
  figure.shot button.frame { border: 1px solid #bbb; background: none; }
  figure.shot img { width: 100%; height: auto; aspect-ratio: auto;
    max-height: 68mm; object-fit: contain; }
  figure.shot figcaption { font-size: 8.5pt; color: #000; }
  figure.shot figcaption .no { background: none; border: 1px solid #999; color: #000; }
  a { color: #000; text-decoration: none; }
}