:root {
  color-scheme: dark;
  --ink: #fff;
  --muted: #e5e7eb;
  --background: #313131;
  --card: #575757;
  --line: #575757;
  --accent: #FF662C;
  --accent-soft: #5D3C30;
  --focus: #FF662C;
  --content: 1120px;
  font-family: -apple-system, BlinkMacSystemFont, "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
[id] { scroll-margin-top: 112px; }
body { margin: 0; color: var(--ink); background: var(--background); font-size: 16px; line-height: 1.7; }
a { color: inherit; }
a:hover { color: var(--accent); }
button { color: inherit; font: inherit; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }

.skip-link { position: fixed; z-index: 20; top: 10px; left: 10px; transform: translateY(-160%); padding: 10px 14px; color: #fff; background: var(--card); border-radius: 4px; }
.skip-link:focus { transform: translateY(0); }
.site-header { position: sticky; z-index: 10; top: 0; display: flex; align-items: center; justify-content: space-between; gap: 24px; width: min(var(--content), calc(100% - 56px)); min-height: 60px; margin: 0 auto; padding: 7px 0 10px; border-bottom: 1px solid var(--card); background: var(--background); }
.brand { display: inline-flex; align-items: center; flex: 0 0 auto; text-decoration: none; }
.brand-logo { display: block; width: 32px; height: 32px; object-fit: contain; object-position: center; }
.brand-name { color: var(--ink); font-size: 20px; font-weight: 750; line-height: 1; }
.menu-toggle { display: none; }
.site-nav { display: flex; align-items: center; justify-content: flex-end; gap: clamp(14px, 1.8vw, 24px); margin-left: auto; }
.site-nav > a, .nav-dropdown > summary { padding: 7px 0; color: #e5e7eb; text-decoration: none; font-size: 15px; white-space: nowrap; }
.site-nav > a:hover, .nav-dropdown > summary:hover, .site-nav [aria-current="page"], .site-nav [aria-current="location"] { color: var(--accent); }
.nav-dropdown { position: relative; }
.nav-dropdown > summary { display: flex; align-items: center; gap: 5px; list-style: none; cursor: pointer; }
.nav-dropdown > summary::-webkit-details-marker { display: none; }
.nav-dropdown > summary::marker { content: ""; }
.nav-chevron { flex: 0 0 auto; width: 14px; height: 14px; transition: transform .18s ease; }
.nav-dropdown[open] > summary .nav-chevron { transform: rotate(180deg); }
.nav-submenu { position: absolute; z-index: 15; top: calc(100% + 7px); left: -12px; display: none; min-width: 220px; max-height: min(70vh, 420px); padding: 7px; overflow-y: auto; border: 1px solid var(--line); border-radius: 9px; background: var(--card); box-shadow: 0 14px 36px rgb(0 0 0 / 35%); }
.site-nav > .nav-dropdown:last-of-type > .nav-submenu { right: -12px; left: auto; }
.nav-dropdown[open] > .nav-submenu { display: grid; }
.site-nav .nav-submenu a { display: block; padding: 8px 11px; border-radius: 5px; color: var(--ink); text-decoration: none; font-size: 14px; line-height: 1.45; white-space: nowrap; }
.site-nav .nav-submenu a:hover, .site-nav .nav-submenu a:focus-visible, .site-nav .nav-submenu a[aria-current="location"] { color: var(--accent); background: rgb(255 255 255 / 7%); }
.contact-button { display: inline-flex; align-items: center; justify-content: center; min-height: 40px; min-width: 88px; padding: 7px 16px; border: 0; border-radius: 9px; color: #fff; background: var(--accent); text-decoration: none; font-size: 13px; font-weight: 750; white-space: nowrap; cursor: pointer; }
.contact-button:hover { color: #fff; background: var(--accent); filter: brightness(.93); }
.page-shell { width: min(var(--content), calc(100% - 56px)); margin: 0 auto; }
.page-heading { display: block; padding: 39px 0 62px; text-align: center; }
.page-heading h1, .home-intro h1 { margin: 0; font-size: clamp(38px, 5vw, 52px); line-height: 1.2; letter-spacing: -.035em; }
.page-heading p { max-width: 680px; margin: 12px auto 0; color: var(--muted); }
.eyebrow { margin: 0 0 9px; color: var(--accent); font-size: 11px; font-weight: 800; letter-spacing: .19em; }
.content-section { padding: 34px 0; border-bottom: 1px solid var(--line); }
.page-shell > .content-section:last-of-type { border-bottom: 0; }
.section-heading { display: flex; align-items: baseline; gap: 16px; margin: 0 0 25px; padding: 0 0 12px; border-bottom: 1px solid var(--line); font-size: clamp(24px, 3vw, 30px); line-height: 1.3; letter-spacing: -.025em; }
.section-heading small { color: var(--accent); font-size: 11px; font-weight: 700; letter-spacing: .14em; }
.section-intro { max-width: 72ch; color: var(--muted); }
.prose { max-width: 80ch; }
.governance-page .prose { max-width: none; }
.prose p { margin: 0 0 16px; }
.prose h3 { margin: 25px 0 12px; font-size: 19px; line-height: 1.5; }
.prose h3.skill-intro { margin: 4px 0 14px; font-size: 16px; }
.prose li + li { margin-top: 7px; }
.prose .keyline-list li + li { margin-top: 0; }
.highlight-label { display: table; max-width: 100%; margin: 0 0 15px !important; padding: 3px 12px; border-radius: 6px; color: var(--accent); background: var(--accent-soft); font-size: 18px !important; }
.accent-panel { margin: 18px 0 34px; padding: 17px 18px; border-left: 4px solid var(--accent); border-radius: 8px; background: var(--card); }
.accent-panel p { margin-bottom: 8px; }
.accent-panel ul { margin: 8px 0 0; padding-left: 1.5em; }
.two-column { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 38px; }
.keyline-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin: 18px 0 36px; padding: 0; list-style: none; }
.keyline-list li { display: grid; min-height: 51px; place-items: center; padding: 9px 10px; border: 1px solid #2E4254; border-radius: 4px; background: var(--card); text-align: center; }
.button-link, .text-link { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 44px; padding: 10px 16px; border: 1px solid var(--accent); border-radius: 5px; color: #fff; background: var(--accent); text-decoration: none; font-weight: 700; }
.button-link:hover, .text-link:hover { color: #fff; background: var(--accent); filter: brightness(.93); }
.download-list { margin: 0; padding: 0; list-style: none; }
.download-list li { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.download-list a, .shareholder-meeting-table a { display: inline-flex; align-items: center; gap: 6px; color: var(--accent); font-size: 14px; font-weight: 700; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.download-list .item-title { font-weight: 650; }
.icon { display: inline-block; flex: 0 0 auto; vertical-align: middle; }
.icon-download { width: 20px; height: 20px; }
.icon-expand { width: 24px; height: 24px; transition: transform .2s ease; }
.section-icon { width: 24px; height: 24px; }
.icon-link { display: inline-flex; align-items: center; gap: 6px; }
.filter-row { display: none; flex-wrap: wrap; gap: 9px; margin: 0 0 20px; }
.js-enabled .filter-row { display: flex; }
.filter-button { min-width: 96px; padding: 8px 15px; border: 1px solid var(--line); border-radius: 999px; color: var(--ink); background: var(--card); cursor: pointer; }
.filter-button[aria-pressed="true"] { border-color: var(--accent); color: #fff; background: var(--accent); }
.year-panel { margin: 12px 0; border: 1px solid var(--line); border-radius: 7px; background: var(--card); }
.year-panel[hidden] { display: none; }
.year-panel > summary, .meeting > summary { list-style: none; }
.year-panel > summary::-webkit-details-marker, .meeting > summary::-webkit-details-marker { display: none; }
.year-panel summary { display: flex; align-items: center; justify-content: space-between; padding: 17px 20px; cursor: pointer; font-size: 19px; font-weight: 750; }
.year-panel[open] > summary .icon-expand, .meeting[open] > summary .icon-expand { transform: rotate(180deg); }
.year-panel-body { padding: 0 20px 10px; }
.year-panel-body .download-list li:first-child { border-top: 1px solid var(--line); }
.person-list { display: flex; flex-direction: column; gap: 14px; }
.person { display: flex; align-items: flex-start; gap: 17px; padding: 17px; border: 1px solid var(--line); border-radius: 7px; background: var(--card); }
.person-photo { display: block; flex: 0 0 260px; width: 260px; height: 260px; border-radius: 14px; background: var(--card); object-fit: cover; }
.person h3 { margin: 0; font-size: 19px; }
.person .role { margin: 2px 0 9px; color: var(--accent); font-size: 13px; font-weight: 700; }
.person p { margin: 0; color: var(--muted); font-size: 14px; }
.committee-member-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 12px 0 22px; }
.committee-member-list article { min-width: 0; padding: 16px; border: 1px solid var(--line); border-radius: 7px; background: var(--card); }
.committee-member-list h3, .committee-member-list h4 { margin: 0 0 7px; font-size: 16px; }
.committee-member-list p { margin: 0; color: var(--muted); font-size: 14px; }
.committee-member-list p + p { margin-top: 8px; }
.committee-duties { padding-left: 1.6em; }
.committee-duties li + li { margin-top: 8px; }
.meeting { margin: 10px 0; border-bottom: 1px solid var(--line); }
.meeting summary { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding: 16px 0; cursor: pointer; font-weight: 700; }
.meeting-content { padding: 0 0 15px; }
.meeting-content .download-list li { padding: 10px 0; }
.scroll-table { overflow-x: auto; border: 1px solid var(--line); border-radius: 5px; background: var(--card); }
table { width: 100%; border-collapse: collapse; text-align: left; }
table th, table td { text-align: left; }
th, td { padding: 13px 15px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: #fff; background: var(--card); font-size: 13px; white-space: nowrap; }
td { font-size: 14px; }
tbody tr:last-child td { border-bottom: 0; }
.monthly-revenue-table thead th { white-space: normal; }
.monthly-revenue-table tfoot th, .monthly-revenue-table tfoot td { vertical-align: middle; }
.shareholder-meeting-table th, .shareholder-meeting-table td { vertical-align: middle; }
.shareholder-meeting-table thead th { white-space: normal; }
.shareholder-meeting-table th:first-child { width: 45%; white-space: normal; }
.shareholder-meeting-table a:hover, .shareholder-meeting-table a:focus-visible { color: var(--accent); }
.contact-link { color: var(--accent); text-underline-offset: 3px; }
.transfer-agent-card { max-width: 640px; padding: 20px; border-radius: 8px; background: var(--card); }
.transfer-agent-card h3 { margin: 0 0 12px; color: var(--accent); font-size: 20px; }
.transfer-agent-card p { margin: 8px 0; }
.transfer-agent-card p:last-child { margin-bottom: 0; }
.transfer-agent-card a { color: var(--ink); text-underline-offset: 3px; }
.transfer-agent-card a:hover, .transfer-agent-card a:focus-visible { color: var(--accent); }
.conference-table td:first-child { min-width: 130px; white-space: nowrap; }
.conference-table td:nth-child(2) { min-width: 210px; }
.conference-table td:nth-child(3) { min-width: 300px; }
.conference-table td:nth-child(n+4) { min-width: 95px; text-align: left; vertical-align: middle; }
.conference-table .icon-link { min-height: 44px; justify-content: flex-start; line-height: 1.4; white-space: nowrap; }
.conference-table .icon-link .icon { width: 20px; height: 20px; object-fit: contain; }
.site-footer { display: flex; justify-content: space-between; gap: 20px; width: min(var(--content), calc(100% - 56px)); margin: 38px auto 0; padding: 18px 0 27px; border-top: 1px solid var(--card); color: var(--muted); font-size: 12px; }
.contact-dialog { width: min(960px, calc(100% - 32px)); max-height: min(80vh, 640px); padding: 0; border: 1px solid #737373; border-radius: 12px; color: var(--ink); background: var(--background); box-shadow: 0 24px 80px rgb(0 0 0 / 45%); }
.contact-dialog::backdrop { background: rgb(0 0 0 / 72%); }
.contact-dialog-header { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 22px; border-bottom: 1px solid #777; }
.contact-dialog-header h2 { margin: 0; font-size: 22px; }
.dialog-close { display: grid; width: 38px; height: 38px; place-items: center; border: 0; border-radius: 50%; color: var(--ink); background: transparent; font-size: 28px; line-height: 1; cursor: pointer; }
.dialog-close:hover { background: rgb(255 255 255 / 10%); }
.contact-dialog-body { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; padding: 20px; overflow-y: auto; background: var(--background); }
.contact-detail { min-width: 0; padding: 19px 18px; border-radius: 8px; background: var(--card); }
.contact-detail h3 { margin: 0 0 12px; color: var(--ink); font-size: 17px; }
.contact-detail p { margin: 7px 0; }
.contact-detail a { color: var(--accent); text-underline-offset: 3px; overflow-wrap: anywhere; }
.contact-detail a:hover { color: var(--accent); }
.home-intro { position: relative; min-height: 395px; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding: 70px 0 65px; border-bottom: 1px solid var(--line); }
.home-intro h1 span { color: var(--accent); }
.home-lede { max-width: 500px; margin: 20px 0 22px; color: var(--muted); font-size: 17px; }
.home-side-note { position: absolute; right: 0; bottom: 55px; display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 12px; letter-spacing: .12em; writing-mode: vertical-rl; }
.accent-rule { display: block; width: 1px; height: 42px; background: var(--accent); }
.link-index { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 42px; }
.index-link { display: grid; grid-template-columns: 42px minmax(0, 1fr) 20px; align-items: center; gap: 12px; min-height: 112px; border-bottom: 1px solid var(--line); text-decoration: none; }
.index-number { color: var(--accent); font-size: 12px; font-weight: 800; }
.index-link strong, .index-link small { display: block; }
.index-link strong { font-size: 20px; }
.index-link small { margin-top: 4px; color: var(--muted); font-size: 13px; }
.index-arrow { color: var(--accent); font-size: 20px; }

/* Sustainability keeps its card layout while sharing the site-wide width and type scale. */
.sustainability-page .content-section { margin: 0 0 24px; padding: 24px; border: 0; border-radius: 9px; background: var(--card); }
.sustainability-page .section-heading { align-items: center; gap: 12px; margin: 0 0 12px; padding: 0; border: 0; }
.sustainability-page .section-heading small { display: none; }
.sustainability-page .section-icon { width: 32px; height: 32px; padding: 7px; border-radius: 7px; background: var(--accent-soft); }
.sustainability-page .prose { max-width: 80ch; }
.sustainability-page .prose h3 { margin: 14px 0 8px; }
.sustainability-page .prose h3:first-child { margin-top: 0; }
.sustainability-page .prose p { margin: 0 0 12px; }
.sustainability-page .prose ul { margin: 8px 0 14px; padding-left: 20px; }
.sustainability-page .prose li + li { margin-top: 5px; }
.sustainability-page .prose > :last-child { margin-bottom: 0; }
.sustainability-page .whistleblower-card { padding: 30px 40px; color: var(--ink); background: var(--accent-soft); text-align: center; }
.sustainability-page .whistleblower-card .section-heading { flex-direction: column; gap: 10px; margin-bottom: 12px; }
.sustainability-page .whistleblower-card .section-icon { width: 42px; height: 42px; padding: 10px; border-radius: 50%; background: var(--accent); }
.sustainability-page .whistleblower-card .prose { max-width: 470px; margin-inline: auto; color: var(--muted); }
.sustainability-page .whistleblower-card .prose p { margin-bottom: 24px; }
.sustainability-page .whistleblower-card .button-link { margin-top: 4px; }
.sustainability-page .site-footer { width: 100%; margin: 10px 0 0; padding: 20px max(28px, calc((100vw - 908px) / 2)); border: 0; background: var(--card); }
.sustainability-page .site-footer span:not(:last-child) { display: none; }

@media (max-width: 800px) {
  .site-header { flex-wrap: wrap; gap: 7px 16px; width: min(100% - 40px, var(--content)); margin-inline: auto; }
  .site-header[data-menu-open] { z-index: 30; }
  .contact-button { order: 2; margin-left: auto; font-size: 14px; }
  .menu-toggle { order: 3; }
  .site-nav { order: 4; flex-direction: column; align-items: stretch; gap: 0; width: 100%; margin: 0; overflow: visible; }
  .js-enabled .menu-toggle { display: grid; width: 44px; height: 44px; flex: 0 0 44px; place-content: center; gap: 5px; padding: 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); cursor: pointer; }
  .menu-toggle span { display: block; width: 20px; height: 2px; border-radius: 2px; background: var(--ink); transition: transform .18s ease, opacity .18s ease; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(7px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-7px) rotate(-45deg); }
  .js-enabled .site-nav {
    position: fixed;
    z-index: 20;
    top: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    margin: 0;
    padding: max(76px, calc(env(safe-area-inset-top, 0px) + 72px)) max(20px, calc((100vw - var(--content)) / 2)) max(24px, env(safe-area-inset-bottom, 0px));
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    background: var(--background);
  }
  .js-enabled .site-header[data-menu-open] .site-nav { display: flex; }
  .js-enabled .site-header[data-menu-open] .menu-toggle {
    position: fixed;
    z-index: 31;
    top: max(8px, env(safe-area-inset-top, 0px));
    right: max(16px, calc((100vw - var(--content)) / 2));
  }
  body.mobile-menu-open { overflow: hidden; }
  .site-nav > a, .nav-dropdown > summary { display: flex; align-items: center; min-height: 52px; padding: 12px 8px; border-bottom: 1px solid var(--line); font-size: 15px; white-space: normal; }
  .nav-dropdown { width: 100%; }
  .nav-dropdown > summary { justify-content: space-between; }
  .nav-submenu { position: static; min-width: 0; max-height: none; padding: 0 0 8px 12px; overflow: visible; border: 0; border-radius: 0; background: transparent; box-shadow: none; }
  .site-nav > .nav-dropdown:last-of-type > .nav-submenu { right: auto; left: auto; }
  .site-nav .nav-submenu a { min-height: 44px; padding: 10px 12px; white-space: normal; }
  .eyebrow, .section-heading small, .site-footer, .person .role, th, .home-side-note, .index-number, .index-link small, .conference-table td::before { font-size: 14px; }
  .page-shell, .site-footer { width: min(100% - 40px, var(--content)); }
  .page-heading { padding: 38px 0 48px; }
  .two-column { grid-template-columns: 1fr; gap: 12px; }
  .committee-member-list { grid-template-columns: 1fr; }
  .contact-dialog-body { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
  body { font-size: 14px; }
  .site-header { gap: 6px 12px; width: calc(100% - 32px); margin-inline: auto; }
  .brand-logo { width: 30px; height: 30px; }
  .contact-button { min-height: 40px; min-width: 76px; padding: 6px 11px; }
  .page-shell, .site-footer { width: calc(100% - 32px); }
  .page-heading { padding: 34px 0 39px; }
  .page-heading h1, .home-intro h1 { font-size: clamp(36px, 11vw, 48px); }
  .content-section { padding: 27px 0; }
  .section-heading { flex-wrap: wrap; gap: 6px 12px; margin-bottom: 18px; }
  .link-index { grid-template-columns: 1fr; }
  .person { flex-direction: column; gap: 16px; padding: 16px; }
  .person-photo { flex: 0 0 auto; width: 100%; height: auto; aspect-ratio: 1; border-radius: 18px; }
  .keyline-list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
  .keyline-list li { font-size: 14px; }
  .download-list li { align-items: flex-start; flex-direction: column; gap: 6px; }
  .home-intro { min-height: 340px; padding: 56px 0; }
  .home-side-note { right: 2px; bottom: 34px; }
  .index-link { min-height: 91px; }
  .site-footer { flex-direction: column; gap: 4px; margin-top: 25px; }
  .contact-dialog-body { grid-template-columns: 1fr; gap: 12px; padding: 14px; }
  .sustainability-page .content-section { margin-bottom: 18px; padding: 18px; }
  .sustainability-page .whistleblower-card { padding: 26px 20px; }
  .sustainability-page .site-footer { width: 100%; margin-top: 8px; padding: 18px 20px; }
  .conference-table, .conference-table tbody, .conference-table tr, .conference-table td { display: block; width: 100%; }
  .conference-table thead { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; clip-path: inset(50%); }
  .conference-table tbody tr { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .conference-table tbody tr:last-child { border-bottom: 0; }
  .conference-table td, .conference-table td:first-child, .conference-table td:nth-child(2), .conference-table td:nth-child(3), .conference-table td:nth-child(n+4) { min-width: 0; padding: 5px 15px; border: 0; text-align: left; white-space: normal; }
  .conference-table td::before { content: attr(data-label); display: block; margin-bottom: 2px; color: var(--muted); font-size: 14px; font-weight: 800; letter-spacing: .08em; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}