:root {
  color-scheme: light;
  --paper: #f6f4ed;
  --surface: #fffefa;
  --ink: #153b32;
  --text: #233c34;
  --muted: #5e6c63;
  --line: #d8dfd4;
  --soft: #eaf0e7;
  --warning: #765421;
  --focus: #a54c12;
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  font-synthesis: none;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--text); font-size: 16px; line-height: 1.75; }
[hidden] { display: none !important; }
a { color: inherit; }
button { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 5px; }
.skip-link { position: fixed; z-index: 2; top: 12px; left: 16px; padding: 10px 18px; transform: translateY(-160%); background: var(--surface); border: 1px solid var(--ink); }
.skip-link:focus { transform: translateY(0); }
.page-frame { max-width: 1248px; margin: 0 auto; padding: 0 64px; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 104px; border-bottom: 1px solid var(--line); }
.brand-name { color: var(--ink); font-size: 21px; font-weight: 700; letter-spacing: .16em; }
.header-label { color: var(--muted); font-size: 13px; letter-spacing: .08em; }
.entry-layout { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(320px, 1fr); align-items: center; gap: 80px; padding: 80px 0; }
.section-label { margin: 0 0 24px; color: var(--muted); font-size: 14px; letter-spacing: .05em; }
h1 { margin: 0; color: var(--ink); font-size: clamp(42px, 5vw, 64px); font-weight: 700; letter-spacing: -.03em; line-height: 1.25; }
.intro-copy { margin: 28px 0 0; font-size: 18px; line-height: 1.9; }
.intro-note { border-left: 2px solid #a4b49d; margin: 32px 0 0; padding-left: 18px; font-size: 14px; color: var(--muted); }
.access-panel { padding: 34px 32px; background: var(--surface); border: 1px solid var(--line); border-top: 4px solid var(--ink); border-radius: 3px; }
.panel-step { margin: 0 0 8px; color: var(--muted); font-size: 13px; letter-spacing: .06em; }
h2 { margin: 0; color: var(--ink); font-size: 24px; font-weight: 700; line-height: 1.5; }
.service-status { display: flex; align-items: baseline; gap: 10px; margin: 24px 0; }
.service-status p { margin: 0; color: var(--muted); font-size: 14px; }
.status-dot { display: inline-block; flex: 0 0 7px; width: 7px; height: 7px; position: relative; top: -1px; border-radius: 50%; background: #7c897c; }
[data-state="authenticated"] .status-dot { background: #306b43; }
[data-state="unavailable"] .status-dot, [data-state="unverified"] .status-dot { background: var(--warning); }
.account-details { border-top: 1px solid var(--line); padding-top: 20px; margin: -2px 0 24px; overflow-wrap: anywhere; }
.account-name { margin: 0 0 2px; font-weight: 700; }
.account-email { margin: 0; font-size: 14px; color: var(--muted); }
.access-actions { display: flex; flex-direction: column; gap: 12px; }
.button { display: flex; align-items: center; justify-content: center; gap: 16px; min-height: 50px; width: 100%; padding: 11px 18px; border: 1px solid transparent; border-radius: 3px; font-weight: 700; font-size: 15px; line-height: 1.6; text-decoration: none; text-align: center; cursor: pointer; transition: background-color 120ms ease, color 120ms ease; }
.button-primary { background: var(--ink); color: #fffefa; }
.button-primary:hover { background: #245547; }
.button-primary span { font-size: 22px; font-weight: 400; line-height: 1; }
.button-secondary { background: transparent; color: var(--ink); border-color: #acb8aa; }
.button-secondary:hover { background: var(--soft); }
.button:disabled { cursor: wait; opacity: .65; }
.access-help { margin: 20px 0 0; color: var(--muted); font-size: 12px; line-height: 1.8; }
.noscript-note { font-size: 14px; color: var(--warning); }
.tools-section { padding: 8px 0 56px; }
.section-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
.section-heading h2 { font-size: 22px; }
.section-heading p { margin: 0; color: var(--muted); font-size: 13px; }
.tool-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 24px; padding: 28px 0; border-top: 1px solid var(--line); }
.tool-row h3 { margin: 0 0 6px; color: var(--ink); font-size: 20px; }
.tool-row p, .empty-tools { margin: 0; color: var(--muted); font-size: 14px; }
.tool-row .button { min-width: 164px; }
.tool-offline { color: var(--warning); background: #eee9dd; border: 1px solid #d7cdb9; padding: 8px 14px; font-size: 13px; }
.empty-tools { padding: 24px 0; border-top: 1px solid var(--line); }
.site-footer { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px 20px; padding: 24px 0 32px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.site-footer p { margin: 0; }
@media (min-width: 1500px) { .entry-layout { padding-top: 104px; padding-bottom: 104px; } }
@media (max-width: 900px) { .page-frame { padding: 0 32px; } .entry-layout { gap: 40px; padding: 64px 0; } .access-panel { padding: 30px 24px; } }
@media (max-width: 700px) {
  .page-frame { padding: 0 24px; }
  .site-header { min-height: 80px; gap: 16px; }
  .brand-name { font-size: 19px; }
  .header-label { font-size: 12px; letter-spacing: 0; }
  .entry-layout { grid-template-columns: minmax(0, 1fr); gap: 32px; padding: 40px 0; }
  .section-label { margin-bottom: 16px; font-size: 13px; }
  h1 { font-size: 42px; }
  h1 br { display: none; }
  .intro-copy { margin-top: 20px; font-size: 16px; }
  .desktop-break { display: none; }
  .intro-note { display: none; }
  .access-panel { padding: 28px 24px; }
  h2 { font-size: 22px; }
  .section-heading { display: block; }
  .section-heading p { margin-top: 4px; }
  .tool-row { grid-template-columns: minmax(0, 1fr); gap: 18px; padding: 24px 0; }
  .tool-offline { justify-self: start; }
  .site-footer { padding-bottom: 24px; }
}
@media (max-width: 380px) { .page-frame { padding: 0 18px; } h1 { font-size: 35px; } .access-panel { padding: 24px 20px; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; } }