:root {
  color-scheme: dark;
  --bg: #101714;
  --panel: #19221e;
  --raised: #212c25;
  --line: #3b4a40;
  --text: #f1f2e9;
  --muted: #b7c2b6;
  --lime: #d6ed99;
  --blue: #acd5ed;
  --amber: #ffda97;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.85 "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif; overflow-wrap: anywhere; }
a { color: var(--lime); text-underline-offset: 4px; }
a:hover { color: #fff; }
a:focus-visible, summary:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--lime); outline-offset: 5px; }
button, summary, a { -webkit-tap-highlight-color: transparent; }
p { margin: .65em 0 1em; }
code { font: .88em/1.7 ui-monospace, "SFMono-Regular", Consolas, monospace; color: #e1eccd; }
strong { font-weight: 650; }
.site-header { border-bottom: 1px solid var(--line); }
.header-inner, main, footer { width: min(1240px, calc(100% - 64px)); margin: auto; }
.header-inner { display: flex; justify-content: space-between; align-items: center; gap: 24px; min-height: 94px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--text); text-decoration: none; font: 24px/1.2 Georgia, serif; }
.brand-mark { display: grid; place-items: center; width: 40px; height: 40px; background: var(--lime); color: var(--bg); font-style: italic; }
.brand-note { margin-left: 14px; font: 12px/1.5 "PingFang TC", sans-serif; letter-spacing: .12em; color: var(--muted); }
.site-header nav { display: flex; gap: 26px; }
.site-header nav a { min-height: 44px; display: flex; align-items: center; font-size: 14px; text-decoration: none; color: var(--muted); border-bottom: 2px solid transparent; }
.site-header nav a[aria-current] { color: var(--lime); border-color: var(--lime); }
.hero { padding: 60px 0 44px; }
.eyebrow { font: 12px/1.5 ui-monospace, monospace; color: var(--lime); letter-spacing: .14em; }
.eyebrow span { margin: 0 12px; color: var(--line); }
h1 { max-width: 900px; margin: 24px 0 20px; font: 600 clamp(30px, 4vw, 49px)/1.4 "Noto Sans TC", "PingFang TC", sans-serif; letter-spacing: .02em; text-wrap: balance; }
.hero-intro { color: var(--muted); }
.countdown-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 32px; }
.countdown { padding: 25px 30px; border: 1px solid var(--line); border-top: 3px solid var(--lime); background: var(--panel); }
.countdown.ai { border-top-color: var(--blue); }
.card-label { margin: 0; font-size: 15px; }
.countdown-value { display: flex; flex-wrap: wrap; align-items: baseline; gap: 12px; margin: 10px 0 0; color: var(--lime); }
.ai .countdown-value { color: var(--blue); }
.countdown-value strong { font: 64px/1.15 Georgia, serif; font-variant-numeric: tabular-nums; }
.countdown-value span { font-size: 14px; }
.exam-date { margin: 12px 0 0; color: var(--muted); font: 12px/1.5 ui-monospace, monospace; }
.progress-panel { margin-top: 28px; }
.progress-heading, .progress-caption { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.progress-heading h2 { margin: 0; font-size: 16px; }
#progress-count { color: var(--lime); font-variant-numeric: tabular-nums; }
progress { appearance: none; display: block; width: 100%; height: 6px; margin: 12px 0; border: 0; background: var(--raised); border-radius: 10px; overflow: hidden; }
progress::-webkit-progress-bar { background: var(--raised); }
progress::-webkit-progress-value { background: var(--lime); }
progress::-moz-progress-bar { background: var(--lime); }
.progress-caption { color: var(--muted); font-size: 12px; }
.progress-caption p { margin: 0; }
.reading-layout { display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: 44px; border-top: 1px solid var(--line); padding-top: 32px; }
.reading-content, .reading-content > *, .chapter-body { min-width: 0; }
.page-toc nav { position: sticky; top: 24px; max-height: calc(100vh - 48px); overflow: auto; }
.toc-label { color: var(--muted); font-size: 12px; letter-spacing: .15em; }
.page-toc a { display: block; color: var(--muted); text-decoration: none; font-size: 13px; line-height: 1.7; padding: 8px 0; }
.page-toc a:hover { color: var(--lime); }
.page-toc .toc-level-2 { color: var(--text); }
.reading-content h2 { font-size: 26px; line-height: 1.6; margin: 12px 0 24px; }
.reading-content h3 { font-size: 22px; line-height: 1.6; margin: 36px 0 18px; }
.reading-content h4 { font-size: 18px; line-height: 1.6; margin: 28px 0 16px; color: var(--lime); }
hr { margin: 34px 0; border: 0; border-top: 1px solid var(--line); }
blockquote { margin: 20px 0; padding: 12px 22px; background: var(--panel); border-left: 3px solid var(--lime); }
blockquote p:last-child { margin-bottom: 0; }
li { padding-left: 3px; margin: 6px 0; }
ul, ol { padding-left: 25px; }
.table-scroll { overflow-x: auto; max-width: 100%; margin: 18px 0 28px; scrollbar-color: var(--line) var(--panel); }
table { border-collapse: collapse; width: 100%; font-size: 14px; line-height: 1.8; text-align: left; }
th { color: var(--lime); background: var(--raised); font-weight: 600; }
th, td { padding: 14px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
.data-table { min-width: 510px; background: var(--panel); }
.iso-table { min-width: 460px; }
.iso-table th:first-child { width: 90px; font-variant-numeric: tabular-nums; }
.lesson-table { display: block; }
.lesson-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.lesson-table tbody { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.lesson-table tr { display: grid; grid-template-columns: auto 1fr; align-content: start; gap: 4px 14px; background: var(--panel); border: 1px solid var(--line); padding: 20px; }
.lesson-table td { padding: 0; border: 0; }
.lesson-table td:first-child { color: var(--muted); font-size: 12px; align-self: center; }
.lesson-table td:first-child::before { content: "# "; }
.lesson-table td:nth-child(2) { text-align: right; font: 30px/1.3 Georgia, serif; font-variant-numeric: tabular-nums; }
.lesson-table td:nth-child(3) { grid-column: 1 / -1; color: var(--text); font-size: 16px; font-weight: 600; min-height: 3.7em; margin: 12px 0 10px; }
.lesson-table td:nth-child(n+4) { grid-column: 1 / -1; }
.lesson-table td:nth-child(n+4):not(.date-status) { display: grid; grid-template-columns: 3.5em minmax(0, 1fr); gap: 10px; font-size: 13px; }
.lesson-table td:nth-child(n+4):not(.date-status)::before { content: attr(data-label); color: var(--muted); font-size: 11px; padding-top: 2px; }
.date-status { font-size: 11px; color: var(--muted); }
.lesson-table .date-status { padding-top: 14px; margin-top: 10px; border-top: 1px solid var(--line); }
.lesson-table tr.is-week { border: 1px solid var(--lime); background: #263124; box-shadow: inset 0 3px 0 var(--lime); }
.is-week .date-status { color: var(--lime); font-weight: 600; }
.badge { display: inline-block; padding: 1px 7px; margin-right: 6px; background: var(--lime); color: var(--bg); font-size: 11px; border-radius: 3px; }
.is-past td:nth-child(2) { color: var(--muted); }
.notice { padding: 16px 20px; border-left: 3px solid var(--amber); background: #2e291e; color: var(--amber); font-size: 14px; }
.notice a { color: var(--amber); }
.warning-mark { background: #4a3920; color: #ffe0a6; padding: 1px 3px; box-decoration-break: clone; }
.number-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.number-grid > div { background: var(--panel); padding: 20px; }
.number-grid dt { font-size: 12px; color: var(--muted); margin-bottom: 8px; }
.number-grid dd { margin: 0; font-size: 16px; line-height: 1.8; }
.quick-reference { margin-bottom: 40px; }
#law { margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--line); }
.metadata { color: var(--muted); font-size: 12px; margin: 20px 0; border: 1px solid var(--line); padding: 0 16px; }
summary { cursor: pointer; min-height: 48px; padding: 12px 0; }
pre { white-space: pre-wrap; overflow-wrap: anywhere; font: 12px/1.8 ui-monospace, monospace; }
.source-path { word-break: break-all; }
.unlinked { text-decoration: underline dotted; text-underline-offset: 4px; }
figure { margin: 24px 0; }
.image-link { display: block; }
img { display: block; max-width: 100%; width: 100%; height: auto; border-radius: 4px; }
figcaption { color: var(--muted); font-size: 12px; margin-top: 8px; text-align: right; }
.chapter { margin: 28px 0; border: 1px solid var(--line); background: var(--panel); }
.chapter > summary { padding: 22px 24px; font-size: 20px; font-weight: 600; }
.chapter-kicker { font-size: 11px; letter-spacing: .1em; color: var(--lime); display: block; padding-left: 20px; }
.chapter-body { padding: 0 24px 24px; }
.chapter[open] > summary { border-bottom: 1px solid var(--line); }
footer { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; padding: 28px 0; margin-top: 56px; border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); }
.skip-link { position: fixed; top: -100px; left: 16px; padding: 12px; z-index: 10; background: var(--bg); }
.skip-link:focus { top: 12px; }
@media (max-width: 960px) {
  .brand-note { display: none; }
  .reading-layout { grid-template-columns: 1fr; gap: 24px; }
  .page-toc nav { position: static; max-height: none; display: flex; flex-wrap: wrap; gap: 4px 16px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
  .toc-label { flex: 0 0 100%; margin: 0 0 8px; }
  .page-toc a { padding: 6px 0; }
}
@media (max-width: 600px) {
  .header-inner, main, footer { width: calc(100% - 36px); }
  .header-inner { gap: 12px; min-height: 76px; }
  .brand { gap: 8px; font-size: 20px; }
  .brand-mark { width: 30px; height: 32px; }
  .site-header nav { gap: 15px; }
  .site-header nav a { font-size: 12px; }
  .hero { padding: 34px 0 28px; }
  .eyebrow { font-size: 10px; letter-spacing: .09em; }
  .eyebrow span { margin: 0 6px; }
  h1 { margin: 18px 0; font-size: 30px; }
  .hero-intro { font-size: 14px; }
  .countdown-grid { gap: 10px; margin-top: 24px; }
  .countdown { padding: 16px 13px; }
  .card-label { font-size: 12px; }
  .countdown-value { gap: 5px; }
  .countdown-value strong { font-size: 48px; }
  .countdown-value span { font-size: 11px; }
  .exam-date { font-size: 10px; line-height: 1.8; }
  .progress-caption { display: block; }
  .progress-caption p + p { margin-top: 4px; }
  .lesson-table tbody { grid-template-columns: minmax(0, 1fr); }
  .lesson-table td:nth-child(3) { min-height: 0; }
  .reading-content h2 { font-size: 23px; }
  .reading-content h3 { font-size: 21px; }
  .number-grid { grid-template-columns: minmax(0, 1fr); }
  .number-grid > div { padding: 16px; }
  .notice { padding: 14px 16px; }
  .chapter > summary { padding: 18px 15px; font-size: 18px; }
  .chapter-body { padding: 0 15px 20px; }
  blockquote { padding: 12px 16px; }
  footer { display: block; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }