:root {
  color-scheme: light;
  --bg: #f3f6f8;
  --surface: #fbfcfd;
  --surface-strong: #ffffff;
  --surface-tint: #e8f0f6;
  --text: #17212a;
  --text-soft: #52616d;
  --line: #d6e0e7;
  --line-strong: #b9c9d4;
  --accent: #17688f;
  --accent-strong: #0e5275;
  --accent-soft: #dbeaf2;
  --warning: #c52d35;
  --shadow: 0 18px 45px rgba(28, 65, 83, 0.1);
  --radius: 14px;
  --topbar-height: 64px;
  --content-width: 920px;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", "Noto Sans SC", system-ui, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #10171c;
    --surface: #151f26;
    --surface-strong: #19252d;
    --surface-tint: #1c303b;
    --text: #e9f0f3;
    --text-soft: #aebdc6;
    --line: #2d3d46;
    --line-strong: #415763;
    --accent: #69b2d3;
    --accent-strong: #88c8e4;
    --accent-soft: #173745;
    --warning: #ff7d83;
    --shadow: 0 18px 45px rgba(0, 0, 0, 0.28);
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #10171c;
  --surface: #151f26;
  --surface-strong: #19252d;
  --surface-tint: #1c303b;
  --text: #e9f0f3;
  --text-soft: #aebdc6;
  --line: #2d3d46;
  --line-strong: #415763;
  --accent: #69b2d3;
  --accent-strong: #88c8e4;
  --accent-soft: #173745;
  --warning: #ff7d83;
  --shadow: 0 18px 45px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--topbar-height) + 24px);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-size: 17px;
  line-height: 1.82;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: var(--accent-strong);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  overflow-wrap: anywhere;
}

a:hover {
  text-decoration-thickness: 2px;
}

button,
.primary-action,
.secondary-action {
  min-height: 42px;
  border-radius: var(--radius);
  font: inherit;
  font-size: 14px;
  font-weight: 700;
}

button {
  border: 1px solid var(--line-strong);
  background: var(--surface-strong);
  color: var(--text);
  padding: 8px 14px;
  cursor: pointer;
}

button:hover {
  border-color: var(--accent);
  color: var(--accent-strong);
}

button:active,
.primary-action:active,
.secondary-action:active {
  transform: translateY(1px);
}

:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 45%, transparent);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  transform: translateY(-140%);
  border-radius: var(--radius);
  background: var(--text);
  color: var(--surface-strong);
  padding: 10px 16px;
}

.skip-link:focus {
  transform: translateY(0);
}

.topbar {
  position: sticky;
  z-index: 30;
  top: 0;
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr) auto;
  align-items: center;
  min-height: var(--topbar-height);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface-strong) 92%, transparent);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.topbar-title {
  min-width: 0;
  color: var(--text);
  font-size: 15px;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topbar-actions {
  display: flex;
  gap: 8px;
  padding-right: 18px;
}

.menu-button {
  display: none;
}

.site-shell {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  min-height: calc(100dvh - var(--topbar-height));
}

.sidebar {
  position: sticky;
  top: var(--topbar-height);
  align-self: start;
  height: calc(100dvh - var(--topbar-height));
  border-right: 1px solid var(--line);
  background: var(--surface);
  padding: 24px 18px;
  overflow-y: auto;
  scrollbar-width: thin;
}

.sidebar-heading {
  display: grid;
  gap: 2px;
  margin: 0 8px 20px;
}

.sidebar-heading span {
  color: var(--text-soft);
  font-size: 12px;
}

.sidebar-heading strong {
  font-size: 18px;
}

.sidebar nav {
  display: grid;
  gap: 3px;
}

.sidebar nav a {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 7px;
  align-items: start;
  border-radius: var(--radius);
  color: var(--text-soft);
  padding: 8px 10px;
  font-size: 13px;
  line-height: 1.45;
  text-decoration: none;
}

.sidebar nav a span {
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  font-weight: 800;
}

.sidebar nav a:hover,
.sidebar nav a[aria-current="location"] {
  background: var(--surface-tint);
  color: var(--text);
}

.sidebar nav a.school-nav-link {
  color: var(--accent-strong);
  font-weight: 800;
}

.sidebar-school-link {
  display: block;
  margin: 20px 0 0;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  background: var(--accent-soft);
  color: var(--accent-strong);
  padding: 11px 14px;
  font-size: 13px;
  font-weight: 800;
  text-align: center;
  text-decoration: none;
}

.sidebar-scrim {
  display: none;
}

main {
  min-width: 0;
}

.manual-cover {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  gap: clamp(34px, 6vw, 88px);
  align-items: center;
  min-height: calc(100dvh - var(--topbar-height));
  padding: clamp(48px, 7vw, 92px) clamp(28px, 7vw, 110px);
  background: var(--surface-strong);
}

.cover-copy {
  max-width: 700px;
}

.cover-context {
  margin: 0 0 12px;
  color: var(--accent-strong);
  font-size: 15px;
  font-weight: 800;
}

.manual-cover h1 {
  margin: 0;
  font-size: clamp(45px, 6vw, 78px);
  line-height: 1.06;
  letter-spacing: -0.055em;
}

.manual-cover h1 span {
  display: block;
}

.cover-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin: clamp(38px, 5vw, 64px) 0 30px;
}

.cover-facts p {
  display: grid;
  gap: 2px;
  margin: 0;
}

.cover-facts strong {
  color: var(--accent-strong);
  font-size: clamp(23px, 3vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.035em;
}

.cover-facts span {
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.45;
}

.cover-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  text-decoration: none;
}

.primary-action {
  border: 1px solid var(--accent-strong);
  background: var(--accent-strong);
  color: #f8fbfc;
}

.secondary-action {
  border: 1px solid var(--line-strong);
  color: var(--text);
}

.cover-toc {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: clamp(24px, 4vw, 42px);
}

.cover-toc h2 {
  margin: 0 0 24px;
  font-size: 24px;
  line-height: 1.2;
}

.cover-toc ol {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.cover-toc a {
  display: block;
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.5;
  text-decoration: none;
}

.cover-toc a:hover {
  color: var(--accent-strong);
}

.manual-content {
  width: min(100%, calc(var(--content-width) + 112px));
  margin: 0 auto;
  padding: clamp(42px, 7vw, 92px) 56px 100px;
}

.manual-section {
  position: relative;
  margin: 0 0 clamp(72px, 9vw, 118px);
}

.manual-section > h2 {
  max-width: 28ch;
  margin: 0 0 36px;
  font-size: clamp(31px, 4vw, 46px);
  line-height: 1.22;
  letter-spacing: -0.035em;
}

.manual-section > h3,
.manual-section .school-notice-body > h3 {
  margin: 38px 0 12px;
  font-size: clamp(21px, 2.7vw, 28px);
  line-height: 1.35;
}

.manual-section p {
  max-width: 74ch;
  margin: 0 0 15px;
}

.manual-section p + p {
  margin-top: 6px;
}

.manual-list {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 8px;
  max-width: 78ch;
  margin: 0 0 12px;
}

.manual-list .list-marker {
  color: var(--accent);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.manual-list.bulleted .list-marker {
  font-size: 18px;
}

.manual-list p {
  margin: 0;
}

.tab {
  display: inline-block;
  width: 2em;
}

.source-red {
  color: var(--warning);
}

.source-blue {
  color: var(--accent-strong);
}

.source-style-12 {
  font-family: "SimSun", "Songti SC", "Noto Serif CJK SC", serif;
}

.school-section > h2 {
  color: var(--accent-strong);
}

.school-spotlight {
  margin: 18px 0 36px;
}

.school-spotlight-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  align-items: end;
  margin: 0 0 24px;
}

.school-fields {
  margin: 0 !important;
  color: var(--text-soft);
  font-size: 12px;
}

.school-total {
  margin: 0 !important;
  color: var(--accent-strong);
  font-size: 20px;
  font-weight: 900;
}

.school-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 14px;
}

.school-card {
  grid-column: span 6;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
  padding: clamp(20px, 3vw, 30px);
}

.school-card:nth-child(1),
.school-card:nth-child(6) {
  grid-column: span 7;
  background: var(--surface-tint);
}

.school-card:nth-child(2),
.school-card:nth-child(5) {
  grid-column: span 5;
}

.school-card:nth-child(9) {
  background: var(--surface-tint);
}

.school-card-topline {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: baseline;
}

.school-number {
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
}

.school-seats {
  color: var(--accent-strong);
  font-size: 19px;
}

.school-card h3 {
  max-width: 20ch;
  margin: 20px 0 24px;
  font-size: clamp(21px, 2.5vw, 28px);
  line-height: 1.35;
}

.school-card dl {
  display: grid;
  gap: 18px;
  margin: 0;
}

.school-card dt {
  margin: 0 0 3px;
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 700;
}

.school-card dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
}

.school-detail-link {
  display: inline-block;
  margin-top: 22px;
  font-size: 13px;
  font-weight: 800;
}

.notice-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
}

.school-notice {
  scroll-margin-top: calc(var(--topbar-height) + 24px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
  margin: 0 0 12px;
  overflow: clip;
}

.school-notice summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  padding: 18px 22px;
  cursor: pointer;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.5;
  list-style: none;
}

.school-notice summary::-webkit-details-marker {
  display: none;
}

.school-notice summary:hover {
  background: var(--surface-tint);
}

.summary-action {
  color: var(--accent-strong);
  font-size: 12px;
}

.school-notice[open] .summary-action::before {
  content: "收起";
}

.school-notice[open] .summary-action {
  font-size: 0;
}

.school-notice[open] .summary-action::before {
  font-size: 12px;
}

.school-notice-body {
  border-top: 1px solid var(--line);
  padding: clamp(22px, 4vw, 40px);
}

.school-notice-body .notice-line {
  max-width: 78ch;
}

.source-figure {
  margin: 26px 0;
}

.source-figure img {
  display: block;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f7f7f5;
}

.source-figure.qr img {
  width: min(100%, 360px);
}

.source-figure.wide img {
  width: 100%;
}

.page-footer {
  display: flex;
  justify-content: flex-end;
  width: min(100%, calc(var(--content-width) + 112px));
  margin: 0 auto;
  padding: 0 56px 64px;
}

.page-footer a {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--text);
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}

@media (max-width: 1180px) {
  .topbar {
    grid-template-columns: 256px minmax(0, 1fr) auto;
  }

  .site-shell {
    grid-template-columns: 256px minmax(0, 1fr);
  }

  .manual-cover {
    grid-template-columns: minmax(0, 1fr);
    min-height: auto;
    padding: 72px clamp(30px, 7vw, 84px);
  }

  .cover-toc {
    max-width: 820px;
  }
}

@media (max-width: 860px) {
  :root {
    --topbar-height: 60px;
  }

  body.menu-open {
    overflow: hidden;
  }

  .topbar {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 12px;
    padding: 0 12px;
  }

  .menu-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .topbar-actions {
    padding: 0;
  }

  .topbar-actions button[data-print] {
    display: none;
  }

  .site-shell {
    display: block;
  }

  .sidebar {
    position: fixed;
    z-index: 50;
    top: var(--topbar-height);
    left: 0;
    width: min(84vw, 330px);
    height: calc(100dvh - var(--topbar-height));
    transform: translateX(-104%);
    box-shadow: var(--shadow);
    transition: transform 180ms ease;
  }

  body.menu-open .sidebar {
    transform: translateX(0);
  }

  .sidebar-scrim {
    position: fixed;
    z-index: 40;
    inset: var(--topbar-height) 0 0;
    display: block;
    min-height: 0;
    width: 100%;
    border: 0;
    border-radius: 0;
    background: rgba(8, 16, 22, 0.52);
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease;
  }

  body.menu-open .sidebar-scrim {
    opacity: 1;
    pointer-events: auto;
  }

  .manual-cover {
    padding: 56px 24px 64px;
  }

  .manual-content {
    padding: 56px 24px 80px;
  }

  .page-footer {
    padding: 0 24px 56px;
  }

  .school-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .school-card,
  .school-card:nth-child(1),
  .school-card:nth-child(2),
  .school-card:nth-child(5),
  .school-card:nth-child(6) {
    grid-column: auto;
  }
}

@media (max-width: 600px) {
  body {
    font-size: 16px;
    line-height: 1.75;
  }

  .topbar-title {
    font-size: 13px;
  }

  .topbar-actions button[data-theme-toggle] {
    width: auto;
    min-width: 92px;
    overflow: visible;
    white-space: nowrap;
  }

  .manual-cover {
    display: block;
    padding: 42px 18px 52px;
  }

  .manual-cover h1 {
    font-size: 44px;
  }

  .cover-facts {
    grid-template-columns: 1fr;
    gap: 14px;
    margin: 36px 0 28px;
  }

  .cover-facts p {
    grid-template-columns: 100px minmax(0, 1fr);
    align-items: baseline;
  }

  .cover-facts strong {
    font-size: 26px;
  }

  .cover-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .cover-toc {
    margin-top: 42px;
    padding: 24px 20px;
  }

  .cover-toc ol {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .manual-content {
    padding: 46px 18px 68px;
  }

  .manual-section {
    margin-bottom: 72px;
  }

  .manual-section > h2 {
    margin-bottom: 28px;
    font-size: 29px;
  }

  .manual-list {
    grid-template-columns: 27px minmax(0, 1fr);
    gap: 6px;
  }

  .school-spotlight-intro {
    display: block;
  }

  .school-total {
    margin-top: 14px !important;
  }

  .school-grid {
    grid-template-columns: 1fr;
  }

  .school-card,
  .school-card:nth-child(1),
  .school-card:nth-child(2),
  .school-card:nth-child(5),
  .school-card:nth-child(6) {
    grid-column: auto;
  }

  .school-card h3 {
    font-size: 23px;
  }

  .school-notice summary {
    padding: 16px 17px;
    font-size: 17px;
  }

  .school-notice-body {
    padding: 20px 17px;
  }

  .notice-tools {
    display: grid;
    grid-template-columns: 1fr;
  }

  .page-footer {
    padding: 0 18px 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  :root {
    color-scheme: light;
    --bg: #ffffff;
    --surface: #ffffff;
    --surface-strong: #ffffff;
    --surface-tint: #f4f7f8;
    --text: #101418;
    --text-soft: #3e4a52;
    --line: #cbd3d8;
    --line-strong: #aebbc3;
    --accent: #17688f;
    --accent-strong: #0e5275;
    --accent-soft: #eef5f8;
    --warning: #b21f27;
    --shadow: none;
  }

  body {
    background: #ffffff;
    font-size: 10.5pt;
  }

  .topbar,
  .sidebar,
  .sidebar-scrim,
  .skip-link,
  .cover-actions,
  .notice-tools,
  .summary-action,
  .page-footer,
  .school-detail-link {
    display: none !important;
  }

  h2,
  h3 {
    break-after: avoid-page;
    break-inside: avoid-page;
    page-break-after: avoid;
    page-break-inside: avoid;
  }

  .school-card {
    break-inside: avoid-page;
    page-break-inside: avoid;
  }

  .site-shell {
    display: block;
  }

  .manual-cover {
    min-height: auto;
    padding: 12mm 10mm;
    break-after: page;
  }

  .manual-content {
    width: 100%;
    padding: 0 10mm;
  }

  .manual-section {
    margin: 0 0 14mm;
  }

  .school-notice {
    break-inside: avoid;
  }

  .school-notice:not([open]) > .school-notice-body {
    display: block;
  }

  .source-figure img {
    max-height: 120mm;
    object-fit: contain;
  }
}