:root {
  --paper: #faf8f4;
  --white: #fff;
  --wine: #7b1647;
  --wine-light: #f1e7eb;
  --ink: #29252a;
  --muted: #6c6267;
  --rule: #ded7d8;
  --serif: Georgia, "Noto Serif TC", "Songti TC", "PMingLiU", serif;
  --sans: "Segoe UI", "PingFang TC", "Microsoft JhengHei", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 132px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.85; }
a { color: var(--wine); text-underline-offset: .22em; overflow-wrap: anywhere; }
a:hover { text-decoration-thickness: 2px; }
button, summary { font: inherit; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--wine); outline-offset: 5px; }
.skip-link { position: fixed; top: -100px; left: 16px; z-index: 100; padding: 10px 20px; background: var(--wine); color: white; }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 20; background: var(--paper); border-bottom: 1px solid var(--rule); }
.edition-line, .header-inner, .footer-inner { max-width: 1240px; margin: auto; padding-inline: 32px; }
.edition-line { min-height: 31px; display: flex; align-items: center; justify-content: space-between; gap: 20px; font-size: 10px; letter-spacing: .08em; color: var(--muted); border-bottom: 1px solid var(--rule); }
.header-inner { min-height: 91px; display: flex; align-items: center; gap: 36px; }
.wordmark { display: flex; align-items: baseline; flex-shrink: 0; gap: 10px; text-decoration: none; color: var(--wine); }
.wordmark strong { font-family: var(--serif); font-size: 30px; font-weight: 500; letter-spacing: -.045em; }
.wordmark span { font-size: 13px; padding-left: 10px; border-left: 1px solid var(--rule); letter-spacing: .04em; }
.desktop-nav { margin-left: auto; display: flex; align-items: center; gap: 22px; }
.nav-link { display: flex; flex-direction: column; justify-content: center; min-height: 48px; text-decoration: none; color: var(--ink); line-height: 1.5; font-size: 13px; }
.nav-link .en { color: var(--muted); font-size: 10px; }
.nav-link[aria-current="page"], .nav-link:hover { color: var(--wine); }
.nav-link[aria-current="page"]::after { content: ""; height: 2px; width: 18px; background: var(--wine); margin-top: 4px; }
.registration-link { display: inline-flex; min-height: 45px; align-items: center; justify-content: center; padding: 9px 19px; border: 1px solid var(--wine); background: var(--wine); color: white; text-decoration: none; font-size: 13px; }
.registration-link:hover { background: var(--ink); border-color: var(--ink); }
.site-menu { position: relative; flex-shrink: 0; }
.site-menu summary { list-style: none; min-height: 44px; cursor: pointer; display: flex; align-items: center; gap: 10px; font-size: 12px; }
.site-menu summary::-webkit-details-marker { display: none; }
.menu-lines { width: 18px; height: 10px; border-block: 1px solid currentColor; }
.menu-panel { position: absolute; right: 0; top: calc(100% + 24px); width: min(450px, calc(100vw - 40px)); background: var(--paper); padding: 12px 24px; border: 1px solid var(--rule); box-shadow: 0 16px 40px #29252a0f; max-height: calc(100dvh - 160px); overflow-y: auto; }
.menu-panel a { display: block; font-size: 13px; padding: 11px 0; line-height: 1.6; color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--rule); }
.menu-panel a:last-child { border-bottom: 0; }
.menu-panel a:hover, .menu-panel a[aria-current="page"] { color: var(--wine); }
main { min-height: 55vh; }
.page-head { max-width: 1240px; padding: 48px 32px 35px; margin: auto; }
.breadcrumb { display: inline-flex; min-height: 44px; align-items: center; font-size: 12px; color: var(--muted); text-decoration: none; }
.page-head h1 { max-width: 980px; font-family: var(--serif); font-size: clamp(27px, 3.2vw, 42px); font-weight: 400; line-height: 1.35; letter-spacing: -.025em; margin: 14px 0 0; overflow-wrap: anywhere; }
.source-content { max-width: 1240px; margin: auto; padding: 0 32px 72px; }
.source-section { max-width: 900px; margin: 0 auto; padding: 34px 0; border-top: 1px solid var(--rule); }
.source-section:empty { display: none; }
.source-section > :first-child { margin-top: 0; }
.source-section > :last-child { margin-bottom: 0; }
.source-section h1, .source-section h2, .source-section h3 { font-family: var(--serif); font-weight: 400; color: var(--wine); font-size: clamp(22px, 2vw, 29px); line-height: 1.5; letter-spacing: -.015em; margin: 22px 0; overflow-wrap: anywhere; }
.source-section .long-heading { font-family: var(--sans); font-size: 17px; line-height: 1.85; color: var(--ink); letter-spacing: 0; }
.source-section .proceedings-heading { font-size: 20px; color: var(--muted); margin: 15px 0; }
.source-section p { margin: 0 0 16px; overflow-wrap: anywhere; }
.source-section span { font-family: inherit; }
.source-section a { min-height: 24px; }
.source-section ol, .source-section ul { padding-left: 26px; }
.source-section li { padding-left: 5px; margin-block: 10px; }
.source-section table { border-collapse: collapse; width: 100%; font-size: 14px; }
.source-section td, .source-section th { border: 1px solid var(--rule); padding: 12px; overflow-wrap: anywhere; }
.source-section figure { margin: 28px 0; }
.source-image { display: block; width: auto; max-width: 100%; height: auto; max-height: 720px; object-fit: contain; margin: 25px auto; }
.source-section.image-row { display: flex; flex-wrap: wrap; align-items: center; gap: 28px 36px; }
.image-row .source-image { max-width: min(100%, 250px); max-height: 145px; margin: 0; object-fit: contain; }
.portrait-section .source-image { max-width: min(100%, 400px); max-height: 540px; }
.source-section.has-acknowledgement { padding: 30px 32px; margin-top: 20px; border: 1px solid #cdb4c1; background: #fffdfb; }
.acknowledgement-heading { font-family: var(--serif); font-size: clamp(28px, 3vw, 36px); line-height: 1.4; color: var(--wine); }
.home .source-content { padding-top: 0; }
.home .source-section:first-child { max-width: none; padding: 60px 0 44px; border-top: 0; }
.home .source-section:first-child h1 { max-width: 1050px; font-size: clamp(28px, 3.6vw, 45px); line-height: 1.35; margin: 0 0 25px; }
.home .source-section:first-child p { font-size: 15px; line-height: 1.9; margin-bottom: 10px; color: var(--muted); }
.home .source-section:first-child p span { font-weight: 400 !important; }
.home .source-section:first-child h2 { max-width: 950px; font-size: clamp(21px, 2.5vw, 28px); padding-top: 12px; margin-bottom: 15px; }
.home .source-section:first-child .proceedings-heading { font-size: 19px; padding-top: 0; margin-block: 10px; }
.home .source-section:first-child .proceedings-heading:last-of-type { font-size: 15px; font-family: var(--sans); }
.home .source-section:first-child a { color: var(--wine); }
.home .source-section:not(:first-child) { margin-inline: auto; }
.download-panel { display: flex; align-items: center; flex-wrap: wrap; gap: 10px 24px; padding: 22px 26px; margin: 10px 0 30px; border: 1px solid var(--rule); background: var(--white); }
.download-panel a { min-height: 44px; display: inline-flex; align-items: center; font-size: 14px; }
.video-link { display: flex; align-items: center; min-height: 150px; padding: 25px; border: 1px solid var(--rule); background: var(--wine-light); text-decoration: none; margin: 28px 0; }
.video-link::before { content: "▶"; font-size: 24px; color: var(--wine); margin-inline: auto; }
.source-background { display: block; width: 100%; height: 105px; object-fit: cover; margin-bottom: 24px; opacity: .55; }
.site-footer { border-top: 1px solid var(--rule); background: #f2edef; padding-block: 35px; }
.footer-inner { display: flex; justify-content: space-between; align-items: flex-start; gap: 36px; }
.footer-inner p { margin: 0; max-width: 650px; font-size: 12px; color: var(--muted); }
.footer-inner strong { color: var(--wine); font-family: var(--serif); font-size: 21px; font-weight: 400; display: block; margin-bottom: 6px; }
.footer-inner nav { display: flex; flex-wrap: wrap; gap: 8px 24px; max-width: 340px; }
.footer-inner a { font-size: 12px; min-height: 35px; display: inline-flex; align-items: center; }
.back-top { position: fixed; bottom: 22px; right: 22px; width: 44px; height: 44px; display: grid; place-items: center; background: var(--paper); border: 1px solid var(--rule); text-decoration: none; color: var(--wine); z-index: 10; }
@media (prefers-reduced-motion: no-preference) {
  a, summary { transition: color 140ms ease, background-color 140ms ease; }
}
@media (max-width: 1119px) {
  .desktop-nav { display: none; }
  .header-inner { gap: 22px; }
  .site-menu { margin-left: auto; }
  .header-inner > .registration-link { order: 2; }
  .site-menu { order: 3; margin-left: 0; }
  .wordmark { margin-right: auto; }
}
@media (max-width: 600px) {
  html { scroll-padding-top: 108px; }
  body { font-size: 15px; }
  .edition-line, .header-inner, .footer-inner { padding-inline: 20px; }
  .edition-line { min-height: 30px; font-size: 9px; letter-spacing: .03em; }
  .edition-line span:last-child { display: none; }
  .header-inner { min-height: 72px; gap: 16px; }
  .wordmark { gap: 7px; }
  .wordmark strong { font-size: 25px; }
  .wordmark span { font-size: 11px; padding-left: 7px; }
  .header-inner > .registration-link { padding: 7px 10px; font-size: 12px; }
  .menu-caption { display: none; }
  .menu-panel { top: calc(100% + 16px); right: 0; width: calc(100vw - 40px); max-height: calc(100dvh - 130px); }
  .page-head { padding: 26px 20px 28px; }
  .page-head h1 { font-size: 27px; line-height: 1.45; }
  .source-content { padding: 0 20px 45px; }
  .source-section { padding-block: 27px; }
  .home .source-section:first-child { padding: 32px 0; }
  .home .source-section:first-child h1 { font-size: 28px; line-height: 1.4; }
  .home .source-section:first-child p { font-size: 13px; }
  .home .source-section:first-child h2 { font-size: 22px; }
  .source-section.has-acknowledgement { padding: 22px 20px; }
  .acknowledgement-heading { font-size: 28px; }
  .source-section.image-row { justify-content: center; gap: 28px; }
  .image-row .source-image { max-width: min(100%, 230px); }
  .download-panel { padding: 15px 20px; gap: 0 20px; }
  .footer-inner { flex-direction: column; gap: 20px; }
  .back-top { bottom: 15px; right: 15px; }
}
@media print {
  .site-header, .site-footer, .back-top { display: none; }
  body { background: white; color: black; font-size: 11pt; }
  .source-section { break-inside: avoid; }
  .source-content, .page-head { padding-inline: 0; }
}
@media (max-width: 360px) {
  .wordmark span { display: none; }
  .header-inner { gap: 13px; }
}