/* ==================================================================
   師資頁（專任 page-teacher.php、兼任 page-ptteacher.php）與老師個人頁（single-teacher.php）
   - 列表：照片壓毛玻璃，進場動畫同首頁面板（白線描框 → 藍色色塊 → 跑線變成左上裝飾線）
   - 個人頁：雜誌風格，下方區塊用首頁面板的描框與進場動畫
   全部樣式包在 .updm-fac 裡，不影響其他頁面。動畫由 assets/js/faculty.js 處理；
   沒有 JavaScript 時內容照樣完整顯示。
   ================================================================== */
.updm-fac {
  --sec: #5197d5;          /* 首頁區塊色：描框、裝飾短條、進場色塊 */
  --accent: #02acd8;       /* 站色：按鈕滑過 */
  --tagbg: #2c78bd;        /* 職務標籤：比站色略深，白字才讀得清楚 */
  --deep: #005d76;         /* 標題深藍綠 */
  --ink: #222;
  --body: #444;
  --sub: #777;
  --line: rgba(0,93,118,.14);
  --ease: cubic-bezier(.22, 1, .36, 1);
  color: var(--ink);
  font-family: Roboto, "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  font-size: 17px; line-height: 1.75;
}
.updm-fac *, .updm-fac *::before, .updm-fac *::after { box-sizing: border-box; }
.updm-fac img { display: block; max-width: 100%; }
.updm-fac a { text-decoration: none; }
/* 佈景主題會改標題字體與大小，這裡指定回來 */
.updm-fac h1, .updm-fac h2, .updm-fac h3 { font-family: Roboto, "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif !important; text-transform: none !important; letter-spacing: .08em; margin: 0; padding: 0; }

/* ---- 共用：藍色毛玻璃膠囊按鈕（同首頁分類按鈕） ---- */
.updm-fac .fac-pill {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 36px; padding: 7px 18px; border: 0; border-radius: 999px;
  font: inherit; font-size: 15px; font-weight: 500; line-height: 1.3; letter-spacing: .04em; color: #000 !important; cursor: pointer; white-space: nowrap;
  background: linear-gradient(180deg, rgba(255,255,255,.45), rgba(255,255,255,0) 55%), linear-gradient(180deg, #e9f4f8, #d9ecf4);
  box-shadow: 0 0 0 1px rgba(0,93,118,.28), inset 0 0 0 1.5px rgba(255,255,255,.85), inset 0 -3px 2px rgba(238,250,255,.95), inset 0 -8px 14px rgba(2,172,216,.08), inset 0 3px 6px rgba(255,255,255,.4), 0 1px 2px rgba(0,93,118,.08), 2px 8px 20px -6px rgba(0,93,118,.18);
  transition: background .9s ease, box-shadow .9s ease, transform .9s var(--ease);
  isolation: isolate;
}
/* 定案 A：柔和冰藍漸層；以透明度轉場平順混合漸層。 */
.updm-fac .fac-pill::before {
  content: ""; position: absolute; inset: -1px; z-index: -1; border-radius: inherit;
  background: linear-gradient(135deg, #e4f4fb 0%, #bddfeb 55%, #b0d3e7 100%);
  border: 1px solid #a5cadc;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.85), 0 8px 18px -10px rgba(36,90,119,.44);
  opacity: 0; transition: opacity .9s ease; pointer-events: none;
}
.updm-fac .fac-pill.is-on,
.updm-fac .fac-pill:focus-visible { color: var(--deep) !important; box-shadow: none; }
.updm-fac .fac-pill.is-on::before,
.updm-fac .fac-pill:focus-visible::before { opacity: 1; }
.updm-fac .fac-pill:focus-visible { outline: 2px solid var(--deep); outline-offset: 4px; transform: translateY(-2px); }
@media (hover: hover) and (pointer: fine) {
  .updm-fac .fac-pill:hover { color: var(--deep) !important; transform: translateY(-2px); box-shadow: none; }
  .updm-fac .fac-pill:hover::before { opacity: 1; }
}
.updm-fac .fac-pill:active { transform: translateY(0); }
.updm-fac .fac-more { margin-top: 14px; min-height: 0; padding: 15px 28px; }   /* 展開全部、顯示更早的年份：上下 15px */

/* 職務標籤（系主任等）：藍底白字膠囊 */
.updm-fac .fac-tag { display: inline-block; padding: 4px 14px; border-radius: 999px; font-size: 15px; line-height: 1.5; letter-spacing: .06em;
  background: var(--tagbg); color: #fff; box-shadow: 0 0 0 1px rgba(255,255,255,.5), 0 6px 14px rgba(0,30,50,.22); }

/* Email、電話：圖示＋白底膠囊（Font Awesome 4.7 系網已載入） */
.updm-fac .fac-chip { display: inline-flex; align-items: center; gap: 8px; max-width: 100%; padding: 6px 16px; border: 1px solid rgba(0,93,118,.12); border-radius: 999px;
  background: #fff; font-size: 15px; line-height: 1.3; color: var(--deep) !important; box-shadow: 0 2px 6px rgba(0,30,50,.06); transition: border-color .3s ease, box-shadow .3s ease; }
.updm-fac a.fac-chip:hover { border-color: rgba(0,93,118,.35); box-shadow: 0 4px 12px rgba(0,30,50,.12); }
.updm-fac .fac-chip .fa { flex: none; font-size: 14px; color: var(--sec); }
.updm-fac .fac-chip span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ==================================================================
   列表：照片壓毛玻璃
   ================================================================== */
.updm-fac-list { padding: 30px 0 20px; }
.updm-fac .fac-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 56px 34px; padding-bottom: 40px; }
/* 照片 3:4：照片高的 1/4 = 寬的 33.333%；毛玻璃超出照片的部分 = 毛玻璃高 − 照片高的 1/4 */
.updm-fac .fac-card { --gh: 314px; position: relative; padding-bottom: max(0px, calc(var(--gh) - 33.333%)); }
.updm-fac .fac-card:hover, .updm-fac .fac-card:focus-within { z-index: 6; }
/* 左上裝飾線：壓在照片上緣，白色，62×10、離左 28px（同首頁） */
.updm-fac .fac-deco { position: absolute; z-index: 5; top: 0; left: 28px; width: 62px; height: 10px; background: #fff; }
.updm-fac .fac-shot { position: relative; }
.updm-fac .fac-ph, .updm-fac .fac-deco { transition: transform .8s var(--ease); }
.updm-fac .fac-ph { position: relative; display: block; aspect-ratio: 3 / 4; overflow: hidden; border-radius: 0 30px 0 0; background: #0f2a3a;
  box-shadow: 0 18px 40px -12px rgba(0,30,50,.32), 0 4px 10px rgba(0,30,50,.08); }
.updm-fac .fac-ph img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 10%; transition: transform 1.2s var(--ease); }
.updm-fac .fac-cover { position: absolute; inset: 0; z-index: 2; background: var(--sec); opacity: 0; pointer-events: none; }
/* 白色外框線：進場時白線描一圈，描完留下這條框 */
.updm-fac .fac-ph::after { content: ""; position: absolute; inset: 0; z-index: 3; border: 1.5px solid #fff; border-radius: inherit; pointer-events: none; }
.updm-fac .fac-card.is-pending .fac-ph::after, .updm-fac .fac-card.is-drawing .fac-ph::after { opacity: 0; }
.updm-fac .fac-run { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; z-index: 3; }
/* 毛玻璃：高度一致，從照片 3/4 處開始，下緣超出照片 */
.updm-fac .fac-gl {
  position: absolute; z-index: 4; left: 14px; right: 14px; top: 75%; height: var(--gh);
  border-radius: 12px; color: var(--ink);
  background: rgba(250,250,249,.7); border: 1px solid rgba(255,255,255,.75);
  box-shadow: inset 0 1px 1px rgba(255,255,255,.9), 0 12px 28px rgba(0,20,35,.18);
  -webkit-backdrop-filter: blur(16px) saturate(1.3); backdrop-filter: blur(16px) saturate(1.3);
  transition: top .8s var(--ease), height .8s var(--ease), transform .8s var(--ease), background-color .5s ease, box-shadow .7s ease;
}
/* 內容在裡面那一層裁切，職務標籤才能超出毛玻璃上緣 */
.updm-fac .fac-gl-clip { height: 100%; overflow: hidden; border-radius: inherit; }
/* 名字上方 30px、Email 下方 30px；Email 固定在最下方 */
.updm-fac .fac-gl-in { display: flex; flex-direction: column; align-items: flex-start; gap: 7px; height: 100%; padding: 30px 20px; }
.updm-fac .fac-gl-in > * { flex: none; max-width: 100%; margin: 0; }
.updm-fac .fac-gl > .fac-tag { position: absolute; z-index: 2; top: 0; left: 20px; max-width: calc(100% - 40px); transform: translateY(-50%);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.updm-fac .fac-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 12px; }
.updm-fac .fac-gl-in > .fac-head { align-self: stretch; padding-bottom: 12px; margin-bottom: 5px; border-bottom: 1px solid rgba(0,93,118,.2); }
.updm-fac .fac-card .fac-name { font-size: 32px !important; line-height: 1.25 !important; font-weight: 700; color: var(--ink); }
.updm-fac .fac-card .fac-name a { color: inherit !important; }
.updm-fac .fac-card .fac-title { font-size: 17px; color: #555; letter-spacing: .06em; }
/* 學歷、專長：小標題單獨一行，最小 15px */
.updm-fac .fac-meta { display: flex; flex-direction: column; align-items: flex-start; font-size: 15px; line-height: 1.6; color: var(--body); }
.updm-fac .fac-meta b { font-size: 15px; font-weight: 500; letter-spacing: .06em; color: var(--deep); }
.updm-fac .fac-meta > span { max-width: 100%; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.updm-fac .fac-meta.fac-edu > span { display: block; -webkit-line-clamp: unset; overflow: visible; }   /* 學歷完整顯示 */
.updm-fac .fac-gl-in > .fac-mail-row { margin-top: auto; align-self: stretch; padding-top: 16px; border-top: 1px solid rgba(0,93,118,.2); }
/* 收合時最下面淡出 */
.updm-fac .fac-gl::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 28px; border-radius: 0 0 12px 12px;
  background: linear-gradient(180deg, rgba(250,250,249,0), rgba(250,250,249,.85)); transition: opacity .5s ease; pointer-events: none; }
/* 滑過：照片（連同裝飾線）往左、放大；毛玻璃升到照片一半、往右錯開、往下拉長顯示完整資訊 */
.updm-fac .fac-card.is-open .fac-gl { top: 50%; height: var(--full, var(--gh)); transform: translateX(20px);
  background-color: rgba(252,252,251,.9); box-shadow: inset 0 1px 1px rgba(255,255,255,.9), 0 24px 48px rgba(0,20,35,.24); }
.updm-fac .fac-card.is-open .fac-gl::after { opacity: 0; }
.updm-fac .fac-card.is-open .fac-meta > span { -webkit-line-clamp: unset; }
.updm-fac .fac-card.is-open .fac-ph img { transform: scale(1.1); }
.updm-fac .fac-card.is-open .fac-ph, .updm-fac .fac-card.is-open .fac-deco { transform: translateX(-20px); }
/* 進場前（只有 JS 執行時才加 is-pending） */
.updm-fac .fac-card.is-pending .fac-deco, .updm-fac .fac-card.is-pending .fac-ph img, .updm-fac .fac-card.is-pending .fac-gl { opacity: 0; }
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) { .updm-fac .fac-gl { background: rgba(250,250,249,.95); } }

/* 底部：專任／兼任切換 */
.updm-fac .fac-switch { display: flex; justify-content: center; gap: 12px; margin-top: 40px; }

@media only screen and (max-width: 1100px) {
  .updm-fac .fac-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
/* 手機：一位一列；照片與毛玻璃疊在同一格，毛玻璃從照片 2/3 處開始，完整資訊直接顯示 */
@media only screen and (max-width: 768px) {
  .updm-fac .fac-grid { grid-template-columns: 1fr; gap: 44px; }
  .updm-fac .fac-card { padding-bottom: 0; }
  .updm-fac .fac-ph img { transition: transform 2s var(--ease); }
  .updm-fac .fac-card.is-focus .fac-ph img { transform: scale(1.18); }   /* 捲到畫面中間時慢慢放大 */
  .updm-fac .fac-shot { display: grid; }
  .updm-fac .fac-ph, .updm-fac .fac-gl { grid-area: 1 / 1; }
  .updm-fac .fac-gl { position: relative; align-self: start; top: auto; left: auto; right: auto; height: auto; margin: 88.889% 12px 0; }   /* 3:4 照片：寬的 88.9% = 高的 2/3 */
  .updm-fac .fac-gl::after { display: none; }
  .updm-fac .fac-meta > span { -webkit-line-clamp: unset; }
  .updm-fac .fac-card .fac-name { font-size: 30px !important; }
  .updm-fac .fac-switch { flex-direction: column; align-items: stretch; }
}

/* ==================================================================
   個人頁：雜誌風格
   ================================================================== */
.updm-fac-person { padding: 40px 0 20px; }
.updm-fac .fac-hero { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 64px; align-items: center; }   /* 名字區塊與照片置中對齊 */
/* 照片：陰影同列表；進場由上往下展開（只在進場時遮罩），之後約 8 秒慢慢放大到 1.08 倍 */
.updm-fac .fac-hero-ph { aspect-ratio: 4 / 5; overflow: hidden; border-radius: 0 40px 0 0; background: #e9ecee;
  box-shadow: 0 18px 40px -12px rgba(0,30,50,.32), 0 4px 10px rgba(0,30,50,.08); animation: facClip 1.2s var(--ease) backwards; }
.updm-fac .fac-hero-ph img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 15%; animation: facZoom 8s cubic-bezier(.25,.1,.25,1) .4s both; }
@keyframes facClip { from { clip-path: inset(0 0 100% 0); } to { clip-path: inset(0 0 0 0); } }
@keyframes facZoom { from { transform: none; } to { transform: scale(1.08); } }
.updm-fac .fac-who { display: grid; gap: 14px; }
.updm-fac .fac-who > * { animation: facFade .9s ease both; }
.updm-fac .fac-who > :nth-child(2) { animation-delay: .5s; } .updm-fac .fac-who > :nth-child(3) { animation-delay: .65s; } .updm-fac .fac-who > :nth-child(n+4) { animation-delay: .8s; }
@keyframes facFade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.updm-fac .fac-who .fac-tag { justify-self: start; }
/* 職稱接在名字後面，同一行、底部對齊 */
.updm-fac .fac-name-row { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 22px; }
.updm-fac .fac-hero .fac-name { font-size: clamp(44px, 6vw, 76px) !important; line-height: 1.1 !important; font-weight: 700; letter-spacing: .12em; color: var(--ink); }
.updm-fac .fac-hero .fac-title { font-size: 26px; letter-spacing: .12em; color: #555; }
.updm-fac .fac-lead { margin: 6px 0 0; font-size: 19px; line-height: 1.9; color: var(--body); max-width: 26em; }
.updm-fac .fac-line { display: flex; gap: 10px; align-items: baseline; margin: 0; font-size: 15px; line-height: 1.6; color: var(--body); }
.updm-fac .fac-line b { flex: none; font-size: 13px; font-weight: 500; letter-spacing: .1em; color: var(--deep); }
.updm-fac .fac-contact { display: flex; flex-wrap: wrap; gap: 10px; }

/* 下方各區塊：首頁的面板（細描框、右上 30px 圓角、左上短條） */
.updm-fac .fac-body { display: grid; gap: 34px; margin-top: 80px; }
.updm-fac .fac-panel { position: relative; background: #fff; border-radius: 0 30px 0 0; box-shadow: 0 12px 36px rgba(0,0,0,.055); border: 1.2px solid var(--sec); }
.updm-fac .fac-panel.has-frame { border-color: transparent; }
.updm-fac .fac-panel::before { content: ""; position: absolute; top: 0; left: 28px; width: 62px; height: 10px; background: var(--sec); z-index: 4; transition: opacity .6s ease; }
.updm-fac .fac-panel > .fac-frame { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; z-index: 3; color: var(--sec); }
.updm-fac .fac-panel > .fac-frame path { fill: none; stroke: currentColor; stroke-width: 1.2; stroke-dasharray: 1; stroke-dashoffset: 0; vector-effect: non-scaling-stroke; }
.updm-fac .fac-panel > .fac-cover { z-index: 5; border-radius: inherit; }
.updm-fac .fac-panel > .fac-run { z-index: 6; }
.updm-fac .fac-panel.is-pending > .fac-frame path { stroke-dashoffset: 1; }
.updm-fac .fac-panel.is-pending > .fac-panel-in { opacity: 0; }
.updm-fac .fac-panel.is-pending::before, .updm-fac .fac-panel.is-homing::before { opacity: 0; transition: none; }
.updm-fac .fac-panel-in { position: relative; z-index: 1; display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 30px; padding: 40px 44px 36px; }
.updm-fac .fac-sec-title { font-size: 24px !important; line-height: 1.4 !important; font-weight: 700; letter-spacing: .1em; color: var(--deep); }
.updm-fac .fac-rows { display: grid; gap: 26px; min-width: 0; }
.updm-fac .fac-row-label { margin: 0 0 6px; font-size: 14px !important; line-height: 1.5 !important; font-weight: 500; letter-spacing: .14em; color: var(--deep); }
.updm-fac .fac-course-img { width: 100%; height: auto; border-radius: 0 18px 0 0; box-shadow: 0 8px 24px rgba(0,30,50,.1); }
.updm-fac .fac-year-note { display: block; margin-top: 2px; font-size: 13px; color: #ff6600; letter-spacing: .04em; }

/* 清單：超過 5 筆收合（由 JS 加上按鈕） */
.updm-fac .fac-list { margin: 0; padding: 0; list-style: none; counter-reset: n; }
.updm-fac .fac-list li { position: relative; margin: 0; padding: 10px 0 10px 34px; border-top: 1px solid var(--line); font-size: 16px; line-height: 1.75; color: var(--body); list-style: none; }
.updm-fac .fac-list li:first-child { border-top: 0; }
.updm-fac .fac-list li::before { counter-increment: n; content: counter(n, decimal-leading-zero); position: absolute; left: 0; top: 12px; font-size: 12px; letter-spacing: .06em; color: var(--sec); }
.updm-fac .fac-list.is-plain li { padding-left: 0; }
.updm-fac .fac-list.is-plain li::before { display: none; }
.updm-fac .fac-list li.is-sub { padding: 14px 0 4px; font-size: 13px; letter-spacing: .12em; color: var(--deep); }
.updm-fac .fac-list li.is-sub::before { display: none; }
.updm-fac .fac-list li.is-more { display: none; }
.updm-fac .fac-list.is-open li.is-more { display: block; animation: facFade .8s ease both; }

/* 研究成果依年份分組（JS 產生） */
.updm-fac .fac-years { display: grid; }
.updm-fac .fac-year { border-top: 1px solid var(--line); }
.updm-fac .fac-year:first-child { border-top: 0; }
.updm-fac .fac-year > button { width: 100%; display: flex; align-items: baseline; gap: 14px; padding: 16px 0; border: 0; background: none; cursor: pointer; text-align: left; font: inherit; color: inherit; }
.updm-fac .fac-year > button b { font-size: 24px; font-weight: 700; letter-spacing: .06em; color: var(--ink); }
.updm-fac .fac-year > button span { font-size: 14px; color: var(--sub); }
.updm-fac .fac-year > button i { margin-left: auto; font-style: normal; color: var(--sec); transition: transform .5s var(--ease); }
.updm-fac .fac-year.is-open > button i { transform: rotate(45deg); }
.updm-fac .fac-year .fac-yb { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .8s var(--ease); }
.updm-fac .fac-year.is-open .fac-yb { grid-template-rows: 1fr; }
.updm-fac .fac-year .fac-yb > div { overflow: hidden; }
.updm-fac .fac-year ul { margin: 0; padding: 0 0 18px; list-style: none; display: grid; gap: 12px; }
.updm-fac .fac-year li { display: grid; grid-template-columns: 84px minmax(0, 1fr); gap: 12px; margin: 0; font-size: 16px; line-height: 1.75; color: var(--body); list-style: none; }
.updm-fac .fac-year li em { font-style: normal; font-size: 12px; letter-spacing: .08em; color: var(--deep); padding-top: 4px; }

@media only screen and (max-width: 1000px) {
  .updm-fac .fac-hero { gap: 36px; }
}
@media only screen and (max-width: 768px) {
  .updm-fac-person { padding-top: 24px; }
  .updm-fac .fac-hero { grid-template-columns: 1fr; gap: 26px; }
  .updm-fac .fac-hero .fac-title { font-size: 20px; }
  .updm-fac .fac-body { margin-top: 48px; gap: 24px; }
  .updm-fac .fac-panel-in { grid-template-columns: 1fr; gap: 14px; padding: 28px 20px 24px; }
  .updm-fac .fac-year li { grid-template-columns: 1fr; gap: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .updm-fac *, .updm-fac *::before, .updm-fac *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}
/* Keep hidden content hidden against theme display rules. */
.updm-fac [hidden] { display: none !important; }
.updm-fac .fac-list li.is-sub { counter-increment: none; }
.updm-fac .fac-rows, .updm-fac .fac-meta span { overflow-wrap: anywhere; }
/* Progressive enhancement: without JS, all expertise remains readable. */
.updm-fac:not(.fac-enhanced) .fac-card .fac-meta > span { -webkit-line-clamp: unset; }
.updm-fac:not(.fac-enhanced) .fac-card .fac-gl { height: auto; min-height: var(--gh); }
.updm-fac:not(.fac-enhanced) .fac-card { padding-bottom: 0; }
.updm-fac:not(.fac-enhanced) .fac-card .fac-shot { display: grid; }
.updm-fac:not(.fac-enhanced) .fac-card .fac-ph,
.updm-fac:not(.fac-enhanced) .fac-card .fac-gl { grid-area: 1 / 1; }
.updm-fac:not(.fac-enhanced) .fac-card .fac-gl { position: relative; top: auto; left: auto; right: auto; align-self: start; margin: 100% 14px 0; }
@media (max-width: 768px) { .updm-fac:not(.fac-enhanced) .fac-card .fac-gl { margin-top: 88.889%; } }

/* Salient compatibility: non-srcset images use width:auto; theme buttons force 4px corners. */
body .container-wrap .updm-fac .fac-hero-ph { position: relative; }
body .container-wrap .updm-fac .fac-hero-ph > img,
body .container-wrap .updm-fac .fac-ph > img {
  position: absolute; inset: 0;
  width: 100% !important; height: 100% !important; max-width: none !important;
  margin: 0 !important; object-fit: cover;
}
body .updm-fac .fac-pill,
body .updm-fac .fac-pill::before,
body .updm-fac .fac-chip { border-radius: 999px !important; }

/* 專任新增個人頁入口；兼任資訊較少，維持照片 3/4 高度。 */
.updm-fac .fac-card-ft { --gh: 370px; }
.updm-fac .fac-card-pt { --gh: 200px; }
.updm-fac .fac-card-pt.is-open .fac-gl { top: 75%; }
.updm-fac .fac-card-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.updm-fac .fac-card-actions .fac-detail { padding: 10px 18px; }
@media (max-width: 768px) {
  .updm-fac .fac-card-pt.is-open .fac-gl { top: auto; }
}

/* 確認後套用：專任個人頁入口靠右下，桌機互動時顯示。 */
.updm-fac .fac-card .fac-gl-in > .fac-meta { margin: 0 !important; padding: 0 !important; }
.updm-fac .fac-card .fac-meta + .fac-meta { margin-top: -3px !important; }
.updm-fac .fac-card-ft { --gh: 314px; }
.updm-fac .fac-card-actions { flex-direction: column; align-items: flex-start; }
.updm-fac .fac-card-actions .fac-detail { align-self: flex-end; }
@media (min-width:769px) and (hover:hover) {
  .updm-fac.fac-enhanced .fac-card:not(.is-open) .fac-detail { display: none; }
  .updm-fac .fac-card.is-open .fac-detail { animation: facFade .8s ease both; }
}
@media (prefers-reduced-motion:reduce) {
  .updm-fac .fac-card.is-open .fac-detail { animation: none; }
}

/* 老師個人頁：離開開場後出現的返回導覽；無 JS 時保留為頁尾連結。 */
.updm-fac.fac-return-bar {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  margin-top: 36px; padding: 14px 22px; border: 1px solid rgba(163,198,215,.65);
  border-radius: 999px; background: rgba(248,251,253,.9);
  box-shadow: 0 12px 32px -16px rgba(36,70,86,.33);
  -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px);
}
.updm-fac.fac-return-bar.is-floating {
  position: fixed; z-index: 999; top: var(--fac-return-top, 20px); left: 50%;
  width: min(1080px, calc(100% - 48px)); margin: 0;
  opacity: 0; visibility: hidden; transform: translate(-50%, -18px); pointer-events: none;
  transition: opacity .9s ease, transform .9s var(--ease), visibility .9s;
}
.updm-fac.fac-return-bar.is-visible {
  opacity: 1; visibility: visible; transform: translate(-50%, 0); pointer-events: auto;
}
.updm-fac .fac-return-who { display: flex; align-items: baseline; gap: 12px; min-width: 0; color: var(--deep); }
.updm-fac .fac-return-who strong { font-size: 18px; letter-spacing: .1em; }
.updm-fac .fac-return-who span { font-size: 13px; color: #71818a; }
.updm-fac .fac-return-link { padding: 12px 22px; flex: none; color: var(--deep) !important; }
.updm-fac .fac-return-link::before { opacity: 1; }
@media (max-width: 768px) {
  .updm-fac-person { padding-bottom: calc(100px + env(safe-area-inset-bottom, 0px)); }
  .updm-fac.fac-return-bar.is-floating {
    top: auto; bottom: calc(16px + env(safe-area-inset-bottom, 0px));
    width: calc(100% - 32px); max-width: 480px; gap: 12px;
    padding: 9px 12px 9px 20px; transform: translate(-50%, 18px);
  }
  .updm-fac.fac-return-bar.is-visible { transform: translate(-50%, 0); }
  .updm-fac .fac-return-who strong { font-size: 16px; }
  .updm-fac .fac-return-who span { display: none; }
  .updm-fac .fac-return-link { font-size: 14px; padding: 12px 16px; }
}
@media (max-width: 360px) {
  .updm-fac.fac-return-bar { gap: 8px; padding-left: 14px; }
  .updm-fac .fac-return-link { padding: 12px; }
}

/* 桌機與課程地圖一致：全寬淺色導覽列，內容對齊網站欄寬。 */
@media (min-width: 769px) {
  .updm-fac.fac-return-bar.is-floating {
    left: 0; right: 0; width: 100%; max-width: none;
    padding: 12px var(--fac-return-gutter, max(24px, calc((100vw - 1180px) / 2)));
    border: 0; border-bottom: 1px solid rgba(80,90,95,.08); border-radius: 0;
    background: rgba(246,245,240,.94);
    box-shadow: 0 8px 24px -14px rgba(40,45,50,.18);
    transform: translateY(12px);
  }
  .updm-fac.fac-return-bar.is-visible { transform: translateY(0); }
  .updm-fac .fac-return-who strong { color: #444; }
  .updm-fac .fac-return-who span { color: #777; }
}
.updm-fac.fac-return-bar { box-sizing: border-box; }

/* 沒有 Email 時不顯示底部分隔線或其上方留白；按鈕與玻璃底部仍距 30px。 */
.updm-fac .fac-gl-in > .fac-card-actions.fac-no-email { border-top: 0; padding-top: 0; }

/* 沒有 Email 的收合狀態不保留空白動作區，內容與底部維持 30px。 */
@media (min-width: 769px) and (hover: hover) {
  .updm-fac.fac-enhanced .fac-card-pt:not(.is-open) .fac-card-actions.fac-no-email { display: none; }
}

/* 桌機收合時隱藏聯絡與了解更多；觸控裝置及無 JS 時仍可直接使用。 */
@media (min-width: 769px) and (hover: hover) {
  .updm-fac.fac-enhanced .fac-card:not(.is-open) .fac-card-actions { display: none; }
}
/* 只有姓名職稱的卡片，不留下標題下方的空分隔區。 */
.updm-fac .fac-card .fac-head:has(+ .fac-card-actions) { padding-bottom: 0; margin-bottom: 0; border-bottom: 0; }

/* 師資列表統一：姓名＋職稱，按鈕置中；照片 3/4 處保持不升降。 */
.updm-fac .fac-card .fac-gl-in { align-items: center; text-align: center; }
.updm-fac .fac-card .fac-head { justify-content: center; }
.updm-fac .fac-card .fac-gl-in > .fac-head { padding-bottom: 0; margin-bottom: 0; border: 0; }
.updm-fac .fac-card .fac-card-actions { align-self: stretch; align-items: center; margin: 0; padding: 0; border: 0; }
.updm-fac .fac-card .fac-card-actions .fac-detail { align-self: center; }
.updm-fac .fac-card.is-open .fac-gl { top: 75%; }
.updm-fac .fac-card .fac-gl::after { display: none; }
@media (max-width: 768px) {
  .updm-fac .fac-card .fac-gl,
  .updm-fac .fac-card.is-open .fac-gl,
  .updm-fac:not(.fac-enhanced) .fac-card .fac-gl { top: auto; margin-top: 100%; }
}

/* 職務標籤置中於毛玻璃上緣。 */
.updm-fac .fac-card .fac-gl > .fac-tag {
  left: 50%; transform: translate(-50%, -50%); text-align: center;
}

/* 按鈕回到玻璃內：名稱下分隔線、置中按鈕、底部 30px。 */
.updm-fac .fac-card .fac-gl-in { padding-bottom: 30px; gap: 16px; }
.updm-fac .fac-card .fac-gl-in > .fac-head {
  padding-bottom: 14px; margin-bottom: 0; border-bottom: 1px solid rgba(0,93,118,.2);
}
.updm-fac .fac-card .fac-gl-in > .fac-card-actions {
  position: static; transform: none; margin: 0; padding: 0; border: 0;
  align-items: center;
}
.updm-fac .fac-card { padding-bottom: max(0px, calc(var(--gh) - 33.333%)); }
@media (max-width: 768px) { .updm-fac .fac-card { padding-bottom: 0; } }

/* 桌機收合時不顯示名稱下分隔線，互動展開時再顯示。 */
@media (min-width: 769px) and (hover: hover) {
  .updm-fac.fac-enhanced .fac-card:not(.is-open) .fac-gl-in > .fac-head {
    padding-bottom: 0; border-bottom: 0;
  }
}

/* 平常更透，滑過／聚焦時恢復原本展開狀態的毛玻璃質感。 */
.updm-fac .fac-card .fac-gl { background-color: rgba(250,250,249,.45); }
.updm-fac .fac-card.is-open .fac-gl { background-color: rgba(252,252,251,.9); }
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .updm-fac .fac-card .fac-gl { background-color: rgba(250,250,249,.85); }
  .updm-fac .fac-card.is-open .fac-gl { background-color: rgba(252,252,251,.95); }
}