/* 個人專業窗口（about / speaking / publications / cv / work）的叢集樣式。
   只用 site-v2.css 定義的 --v3-* 變數；不動 site-v2.css（首頁效能預算）。
   class prefix: pf- */

.skip-link { position: absolute; left: -999px; top: 8px; padding: 10px 14px; background: var(--v3-yellow); color: var(--v3-black); font-weight: 700; z-index: 100; }
.skip-link:focus { left: 16px; }
.pf-body [hidden] { display: none !important; }

.pf-body main { display: grid; grid-template-columns: minmax(0, 1fr); gap: clamp(28px, 4vw, 48px); padding-bottom: 24px; }
.pf-body main > *, .pf-cards > *, .pf-two > *, .pf-stats > div, .pf-hero > * { min-width: 0; }
.pf-body { overflow-x: clip; }
.pf-kicker { margin: 0; color: var(--v3-muted); font-size: 12.5px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
.pf-index { margin: 0 0 10px; color: var(--v3-muted); font-size: 12.5px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
.pf-lede { max-width: 62ch; color: var(--v3-muted); font-size: 17px; line-height: 1.7; }
.pf-muted { color: var(--v3-muted); }
.pf-body a { text-decoration-thickness: 1.5px; }
.pf-body h2 { margin: 0; font-family: var(--v3-display); font-size: clamp(26px, 3vw, 38px); font-weight: 800; letter-spacing: -0.02em; line-height: 1.15; }
.pf-body h3 { margin: 0; font-family: var(--v3-display); font-size: 19px; font-weight: 700; line-height: 1.35; }

/* hero */
.pf-hero { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr); gap: 20px; align-items: stretch; }
.pf-hero-copy { display: flex; flex-direction: column; justify-content: center; gap: 16px; padding: clamp(28px, 4vw, 56px); background: var(--v3-card); border: 1px solid var(--v3-line); border-radius: var(--v3-radius); }
.pf-hero h1 { margin: 0; font-family: var(--v3-display); font-size: clamp(44px, 6vw, 84px); font-weight: 900; letter-spacing: -0.03em; line-height: 1.02; }
.pf-hero-speaking h1 { font-size: clamp(34px, 4.6vw, 62px); }
.pf-role { margin: 0; font-family: var(--v3-display); font-size: clamp(19px, 2vw, 26px); font-weight: 700; line-height: 1.35; }
.pf-hero .pf-lede { margin: 0; }
.pf-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.pf-actions .v3-btn { min-height: 48px; }
.pf-photo { position: relative; margin: 0; overflow: hidden; border-radius: var(--v3-radius); background: var(--v3-black); }
.pf-photo picture, .pf-photo img { width: 100%; height: 100%; object-fit: cover; object-position: 52% center; }
.pf-photo figcaption { position: absolute; right: 18px; bottom: 18px; padding: 8px 12px; background: var(--v3-yellow); color: var(--v3-black); font-size: 11px; font-weight: 800; letter-spacing: 0.1em; border-radius: 100px; }
.pf-hero-speaking { grid-template-columns: 1fr; }
.pf-photo img { object-position: 50% 18%; }
.pf-personal-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(220px, 0.6fr); gap: 20px; align-items: start; margin-top: 12px; }
.pf-photo-alt { aspect-ratio: 4 / 3; }
.pf-photo-alt img { object-position: 52% center; }
@media (max-width: 760px) { .pf-personal-grid { grid-template-columns: 1fr; } }

/* stats */
.pf-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 0; }
.pf-stats div { padding: 24px 26px; background: var(--v3-card); border: 1px solid var(--v3-line); border-radius: var(--v3-radius); }
.pf-stats dt { font-family: var(--v3-display); font-size: clamp(30px, 3.4vw, 46px); font-weight: 900; letter-spacing: -0.03em; line-height: 1; color: var(--v3-yellow-deep); }
.pf-stats dd { margin: 10px 0 0; color: var(--v3-muted); font-size: 13.5px; line-height: 1.5; }

/* sections & cards */
.pf-section { padding: clamp(24px, 3.5vw, 40px); background: var(--v3-card); border: 1px solid var(--v3-line); border-radius: var(--v3-radius); }
.pf-section > .pf-lede { margin: 12px 0 0; }
.pf-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 24px; }
.pf-card { display: grid; align-content: start; gap: 10px; padding: 22px 24px; background: var(--v3-bg); border: 1px solid var(--v3-line); border-radius: 18px; }
.pf-card p { margin: 0; line-height: 1.6; }
.pf-pillar-mark { display: inline-block; padding: 4px 14px; background: var(--v3-yellow); border-radius: 100px; font-size: 22px; }
.pf-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.pf-tags span { padding: 8px 14px; background: var(--v3-bg); border: 1px solid var(--v3-line); border-radius: 100px; font-size: 14px; font-weight: 600; }
.pf-venue-group { margin-top: 20px; }
.pf-venue-group h3 { font-size: 15px; color: var(--v3-muted); }
.pf-venue-group .pf-tags { margin-top: 10px; }
.pf-two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(24px, 4vw, 48px); }
.pf-facts { margin: 0; padding-left: 18px; line-height: 1.7; }
.pf-meta { display: grid; gap: 8px; margin: 0; }
.pf-meta div { display: grid; grid-template-columns: 56px 1fr; gap: 10px; font-size: 14.5px; line-height: 1.55; }
.pf-meta dt { color: var(--v3-muted); font-weight: 700; }
.pf-meta dd { margin: 0; }

/* timeline */
.pf-timeline { margin-top: 24px; border-top: 2px solid var(--v3-ink); }
.pf-row { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 24px; padding: 20px 0; border-bottom: 1px solid var(--v3-line); }
.pf-row time, .pf-row > span { color: var(--v3-yellow-deep); font-size: 13px; font-weight: 800; letter-spacing: 0.06em; }
.pf-row p { max-width: 72ch; margin: 6px 0 0; color: var(--v3-muted); line-height: 1.65; }

/* dark publications band */
.pf-dark { background: var(--v3-black); color: #fff; }
.pf-dark .pf-index, .pf-dark .pf-lede, .pf-dark .pf-row p { color: #b9b9ad; }
.pf-dark .pf-timeline { border-color: var(--v3-yellow); }
.pf-dark .pf-row { border-color: rgba(255, 253, 247, 0.2); }
.pf-dark .pf-row > span { color: var(--v3-yellow); }
.pf-dark a { color: #fff; }

/* effect card: brand yellow only on the post-test number */
.pf-effect { display: grid; gap: 8px; padding: 22px 24px; background: var(--v3-bg); border: 1px solid var(--v3-line); border-radius: 18px; }
.pf-effect-numbers { display: flex; align-items: baseline; gap: 12px; margin: 6px 0 0; font-family: var(--v3-display); font-size: clamp(34px, 4vw, 52px); font-weight: 900; letter-spacing: -0.03em; line-height: 1; }
.pf-effect-post { color: var(--v3-yellow-deep); background: var(--v3-yellow); padding: 2px 10px; border-radius: 12px; }
.pf-effect-arrow { font-size: 0.6em; color: var(--v3-muted); }
.pf-effect-labels { display: flex; gap: 42px; margin: 0; color: var(--v3-muted); font-size: 13px; font-weight: 700; }
.pf-effect-measure, .pf-effect-stats, .pf-effect-also { margin: 0; font-size: 14.5px; line-height: 1.55; }
.pf-effect-stats { font-variant-numeric: tabular-nums; font-weight: 700; }
.pf-effect-caveat { margin: 4px 0 0; color: var(--v3-muted); font-size: 13px; line-height: 1.5; }

/* pricing table */
.pf-table-wrap { margin-top: 22px; overflow-x: auto; }
.pf-table { width: 100%; border-collapse: collapse; font-size: 15px; }
.pf-table th, .pf-table td { padding: 12px 14px; border-bottom: 1px solid var(--v3-line); text-align: left; vertical-align: top; }
.pf-table thead th { font-size: 13px; color: var(--v3-muted); letter-spacing: 0.04em; }
.pf-table tbody th { font-weight: 700; }
.pf-table td { font-variant-numeric: tabular-nums; }

/* faq */
.pf-faq { display: grid; gap: 8px; margin-top: 20px; }
.pf-faq details { padding: 4px 18px; background: var(--v3-bg); border: 1px solid var(--v3-line); border-radius: 14px; }
.pf-faq summary { min-height: 44px; display: flex; align-items: center; cursor: pointer; font-weight: 700; }
.pf-faq p { margin: 0 0 14px; color: var(--v3-muted); line-height: 1.65; }

/* invite form — .v3-contact-form gives the two-column grid and the inputs, but
   site-v2.css scopes the submit button to `.v3-contact .v3-mail`, which only
   exists on the homepage. Restate the button here for the cluster. */
.pf-form { margin-top: 22px; }
.pf-form select { min-height: 52px; padding: 0 14px; border: 1.5px solid var(--v3-line); border-radius: 14px; background: var(--v3-card); color: inherit; font: inherit; }
.pf-form select:focus { border-color: var(--v3-ink); outline: 3px solid rgba(242, 197, 0, 0.38); outline-offset: 2px; }
.pf-form .v3-mail {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  justify-self: start;
  min-height: 50px;
  margin-top: 8px;
  padding: 0 26px;
  background: var(--v3-black);
  color: #fff;
  border: 0;
  border-radius: 100px;
  font: inherit;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  transition: transform 160ms ease-out, background 160ms ease-out;
}
.pf-form .v3-mail:hover { transform: translateY(-2px); }
.pf-form .pf-copy { grid-column: 1 / -1; justify-self: start; margin-top: -4px; }
.pf-form .v3-contact-privacy { margin: 0; color: var(--v3-muted); font-size: 14px; line-height: 1.55; }
.pf-form .v3-contact-status { min-height: 22px; margin: 0; font-weight: 700; font-size: 14px; }
.pf-form .v3-contact-status:empty { display: none; }
@media (max-width: 760px) {
  .pf-form { grid-template-columns: 1fr; }
  .pf-form .v3-mail { width: 100%; }
}
.pf-invite > .pf-muted { margin: 16px 0 0; }
.pf-contact p { margin: 12px 0 0; font-size: 17px; }
.pf-personal .pf-lede { margin-top: 12px; }

/* work */
.pf-works { display: grid; gap: 18px; margin-top: 24px; }
.pf-work { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 22px; align-items: start; padding: 18px; background: var(--v3-bg); border: 1px solid var(--v3-line); border-radius: 18px; }
/* 圖框固定 16:9：卡片高度只由文字決定，換上非 16:9 的圖也不會把整張卡撐高（2026-09-09 一張直式圖踩過）。 */
.pf-work-shot { aspect-ratio: 16 / 9; overflow: hidden; border-radius: 12px; background: var(--v3-black); }
.pf-work-shot img { display: block; width: 100%; height: 100%; object-fit: cover; }
.pf-work-body { display: grid; align-content: start; gap: 10px; }
.pf-work-body p { margin: 0; line-height: 1.6; }
@media (max-width: 760px) { .pf-work { grid-template-columns: 1fr; } }

/* cv */
.pf-cv-head h1 { margin: 6px 0 0; font-family: var(--v3-display); font-size: clamp(32px, 4vw, 48px); font-weight: 900; letter-spacing: -0.02em; }
.pf-cv-section h2 { font-size: clamp(20px, 2.2vw, 26px); padding-bottom: 8px; border-bottom: 2px solid var(--v3-ink); }
.pf-cv-section .pf-timeline { margin-top: 0; border-top: 0; }
.pf-cv-list .pf-row > span:empty { display: none; }
.pf-cv-list .pf-row:has(> span:empty) { grid-template-columns: 1fr; }
.pf-cv-foot { font-size: 12px; }

/* RWD */
@media (max-width: 960px) {
  .pf-cards { grid-template-columns: 1fr; }
  .pf-stats { grid-template-columns: repeat(2, 1fr); }
  .pf-two { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .pf-hero { grid-template-columns: 1fr; }
  .pf-photo { min-height: 320px; }
  .pf-row { grid-template-columns: 1fr; gap: 6px; }
  .pf-effect-labels { gap: 24px; }
  .pf-meta div { grid-template-columns: 1fr; gap: 2px; }
}
@media (prefers-reduced-motion: reduce) {
  .pf-body * { animation: none !important; transition: none !important; }
}

/* print: used by /cv/ and for printing the profile */
@media print {
  @page { size: A4; margin: 16mm 18mm; }
  /* 列印用系統字型（不嵌入 web font），字級縮小；CV 目標 4 頁內、檔案 < 600 KB */
  .pf-body { background: #fff; color: #000; font-family: "Microsoft JhengHei", "PingFang TC", "Noto Sans TC", Arial, sans-serif; font-size: 10.5px; line-height: 1.45; }
  .pf-body h1, .pf-body h2, .pf-body h3, .pf-role, .pf-row time, .pf-row > span, .pf-kicker, .pf-index { font-family: inherit; }
  .pf-body h1 { font-size: 22px; } .pf-body h2 { font-size: 14px; margin-top: 4px; } .pf-body h3 { font-size: 11.5px; }
  .pf-row { grid-template-columns: 90px 1fr; gap: 10px; padding: 5px 0; }
  .pf-row p { margin: 2px 0 0; font-size: 10px; }
  .pf-tags span { padding: 2px 8px; font-size: 10px; border-radius: 6px; }
  .pf-cv-head .pf-muted { font-size: 10px; }
  .pf-cv-foot { margin-top: 8px; }
  .v3-shell { padding: 0; max-width: none; }
  .v3-header, .v3-footer, .skip-link, .pf-actions, .pf-form, .pf-copy, .no-print { display: none !important; }
  .pf-section, .pf-card, .pf-stats div, .pf-hero-copy { border: 0; border-radius: 0; padding: 0; background: #fff; break-inside: avoid; }
  .pf-dark, .pf-dark * { background: #fff !important; color: #000 !important; }
  .pf-body main { gap: 10px; }
  .pf-photo { display: none; }
  a[href^="https://doi.org"]::after { content: " (" attr(href) ")"; font-size: 0.85em; }
}