/* 科技主题黑／白的页面结构：基础重置、页头页脚、首页与内页组件；颜色只读取 scheme.css 变量，字体变量与正文样式在 prose.css。 */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.75 var(--font);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

img,
video {
  display: block;
  max-width: 100%;
  height: auto;
}

h1,
h2,
h3,
h4,
p,
figure,
dl,
dd {
  margin: 0;
}

h1,
h2,
h3,
h4 {
  line-height: 1.4;
  letter-spacing: 0;
}

::selection {
  background: var(--accent);
  color: var(--button-ink);
}

[hidden] {
  display: none !important;
}

.skip-link {
  position: fixed;
  top: -80px;
  left: 20px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--accent);
  color: var(--button-ink);
}

.skip-link:focus {
  top: 12px;
}

.preview-bar {
  border-bottom: 1px solid var(--line);
  background: var(--panel-light);
  color: var(--muted);
  font-size: 12px;
  line-height: 30px;
}

.preview-bar .shell {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  width: min(1240px, calc(100% - 80px));
  margin-inline: auto;
}

.preview-bar i {
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 6px;
  border-radius: 50%;
  background: var(--accent);
  vertical-align: middle;
}

.preview-bar a:hover {
  color: var(--accent);
}

.draft-notice {
  padding: 10px 24px;
  background: var(--panel-light);
  color: var(--code-value);
  font-size: 14px;
  text-align: center;
}

.kr-shell {
  width: min(1240px, calc(100% - 80px));
  margin-inline: auto;
}

.kr-lines {
  white-space: pre-line;
}

.kr-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--button-ink);
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  transition: background-color .15s, border-color .15s, color .15s;
}

.kr-button:hover {
  border-color: var(--accent-hover);
  background: var(--accent-hover);
}

.kr-button-line {
  border-color: var(--line);
  background: transparent;
  color: var(--text);
}

.kr-button-line:hover {
  border-color: var(--accent);
  background: transparent;
  color: var(--accent);
}

.kr-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.kr-more {
  display: inline-block;
  color: var(--accent);
  font-weight: 600;
}

.kr-more:hover {
  text-decoration: underline;
}

.kr-topbar {
  border-bottom: 1px solid var(--line);
  background: var(--kr-topbar);
  color: var(--muted);
  font-size: 13px;
}

.kr-topbar-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  min-height: 36px;
  align-items: center;
}

.kr-topbar p {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
}

.kr-topbar a:hover {
  color: var(--accent);
}

.kr-topbar p:first-child a {
  color: var(--text);
  font-weight: 600;
}

.kr-header.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: var(--kr-header);
}

.kr-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  min-height: 76px;
}

.kr-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.kr-brand img {
  width: auto;
  height: 42px;
}

.kr-brand span {
  padding-left: 14px;
  border-left: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.4;
}

.kr-menu.site-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.kr-menu-toggle.menu-toggle {
  display: none;
}

.kr-menu .nav-list {
  display: flex;
  align-items: center;
  gap: 28px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 15px;
}

.kr-menu .nav-group {
  position: relative;
}

.kr-menu .nav-group>summary {
  list-style: none;
  cursor: pointer;
}

.kr-menu .nav-group>summary::-webkit-details-marker {
  display: none;
}

.kr-menu .nav-list>li>a,
.kr-menu .nav-group>summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 26px 0;
  color: var(--text);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}

.kr-menu .nav-list>li>a:hover,
.kr-menu .nav-group>summary:hover,
.kr-menu .nav-group[open]>summary {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.kr-menu .nav-group>summary::after {
  content: "";
  width: 6px;
  height: 6px;
  margin-top: -3px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  opacity: .6;
}

.kr-menu .nav-dropdown {
  position: absolute;
  top: 100%;
  left: -20px;
  z-index: 30;
  width: 240px;
  max-height: 65vh;
  overflow: auto;
  padding: 8px 20px 12px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--accent);
  border-radius: 0 0 var(--radius) var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.kr-menu .nav-list>li:last-child .nav-dropdown {
  right: 0;
  left: auto;
}

.kr-menu .nav-dropdown ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.kr-menu .nav-dropdown a {
  display: block;
  padding: 8px 0;
  color: var(--text);
  font-size: 14px;
}

.kr-menu .nav-dropdown a:hover {
  color: var(--accent);
}

.kr-menu .nav-dropdown ul ul {
  padding-left: 12px;
  border-left: 1px solid var(--line);
}

.kr-menu-phone {
  display: none;
}

.kr-header-cta.kr-button {
  min-height: 40px;
  padding: 0 18px;
  font-size: 14px;
}

.kr-hero {
  padding: 64px 0 0;
  border-bottom: 1px solid var(--line);
}

.kr-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 56px;
  align-items: center;
}

.kr-hero h1 {
  color: var(--kr-strong);
  font-size: 44px;
  font-weight: 700;
  line-height: 1.3;
  text-wrap: balance;
}

.kr-hero-lead {
  max-width: 34em;
  margin: 20px 0 32px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}

.kr-hero-photo img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
}

.kr-hero-photo figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
}

.kr-enroll {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 16px 40px;
  align-items: center;
  margin-top: 48px;
  padding: 24px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--kr-band);
}

.kr-enroll h2 {
  color: var(--kr-strong);
  font-size: 20px;
  font-weight: 700;
}

.kr-enroll p {
  color: var(--text);
  font-size: 15px;
  line-height: 1.7;
}

.kr-facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 8px 0 0;
}

.kr-facts>div {
  padding: 32px 28px 36px 0;
}

.kr-facts>div+div {
  padding-left: 28px;
  border-left: 1px solid var(--line);
}

.kr-facts dt {
  color: var(--muted);
  font-size: 14px;
}

.kr-facts dd {
  margin: 6px 0 0;
  color: var(--text);
  font-size: 15px;
  line-height: 1.6;
}

.kr-facts strong {
  display: block;
  margin-bottom: 4px;
  color: var(--kr-strong);
  font-size: 34px;
  font-weight: 700;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

.kr-section {
  padding: 72px 0;
}

.kr-band {
  background: var(--kr-band);
}

.kr-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 20px;
  margin-bottom: 28px;
}

.kr-head h2 {
  color: var(--kr-strong);
  font-size: 28px;
  font-weight: 700;
  line-height: 1.35;
}

.kr-head p {
  flex: 1 1 320px;
  color: var(--muted);
  font-size: 15px;
}

.kr-head>a {
  margin-left: auto;
  color: var(--accent);
  font-size: 15px;
  font-weight: 600;
}

.kr-head>a:hover {
  text-decoration: underline;
}

.kr-stages {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.kr-stages>li {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 28px 26px;
}

.kr-stages>li+li {
  border-left: 1px solid var(--line);
}

.kr-stages span {
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
}

.kr-stages h3 {
  color: var(--kr-strong);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.45;
}

.kr-stages p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.kr-stages .kr-stage-project {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  color: var(--text);
}

.kr-stages a {
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
}

.kr-stages a:hover {
  text-decoration: underline;
}

.kr-course-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 28px;
  margin-top: 24px;
  font-size: 15px;
}

.kr-course-links span {
  color: var(--muted);
}

.kr-course-links a {
  color: var(--text);
  font-weight: 600;
}

.kr-course-links a:hover {
  color: var(--accent);
}

.kr-news-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 56px;
}

.kr-news-feature {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.kr-news-feature:not(:has(.kr-news-cover)) {
  grid-template-columns: 1fr;
}

.kr-news-cover img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius);
  background: var(--panel-light);
}

.kr-news time {
  color: var(--muted);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.kr-news-feature h3 {
  margin: 6px 0 8px;
  color: var(--kr-strong);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.5;
}

.kr-news-feature p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.kr-news a:hover {
  color: var(--accent);
}

.kr-news-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.kr-news-list li {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
}

.kr-news-list a {
  overflow: hidden;
  color: var(--text);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.kr-notices article {
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.kr-notices article:last-child {
  border-bottom: 1px solid var(--line);
}

.kr-notices h3 {
  color: var(--kr-strong);
  font-size: 17px;
  font-weight: 700;
}

.kr-notices p {
  margin: 8px 0 10px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.kr-notices a {
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
}

.kr-notices a:hover {
  text-decoration: underline;
}

.kr-lab-grid {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  gap: 56px;
  align-items: start;
}

.kr-lab-copy h2 {
  margin-bottom: 16px;
  color: var(--kr-strong);
  font-size: 28px;
  font-weight: 700;
  line-height: 1.4;
}

.kr-lab-copy p {
  margin-bottom: 14px;
  color: var(--text);
  font-size: 16px;
  line-height: 1.85;
}

.kr-lab-copy .kr-note {
  color: var(--muted);
  font-size: 14px;
}

.kr-dbg {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--kr-code-bg);
  font: 14px/1.6 var(--mono);
}

.kr-dbg-bar {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 46px;
  padding: 0 8px 0 16px;
  border-bottom: 1px solid var(--line);
  background: var(--panel-light);
  font-family: var(--font);
}

.kr-dbg-bar strong {
  color: var(--kr-strong);
  font-size: 14px;
  font-weight: 600;
}

.kr-dbg .kr-dbg-tabs {
  display: flex;
  align-self: stretch;
  gap: 0;
  padding: 0;
  border: 0;
  background: none;
}

.kr-dbg .kr-dbg-tabs button {
  padding: 0 14px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: none;
  color: var(--muted);
  font: 14px/1 var(--font);
}

.kr-dbg .kr-dbg-tabs button:hover {
  color: var(--text);
}

.kr-dbg .kr-dbg-tabs button[aria-selected=true] {
  border-bottom-color: var(--accent);
  background: none;
  color: var(--kr-strong);
  font-weight: 600;
}

.kr-dbg-step {
  margin-left: auto;
  min-height: 32px;
  padding: 0 14px;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--button-ink);
  font: 600 13px/1 var(--font);
}

.kr-dbg-step:hover {
  border-color: var(--accent-hover);
  background: var(--accent-hover);
}

.kr-dbg-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 190px;
  min-height: 316px;
}

.kr-dbg-code {
  min-width: 0;
  overflow-x: auto;
}

.kr-dbg-view {
  padding: 6px 0 10px;
}

.kr-dbg-cols,
.kr-dbg-line {
  display: grid;
  grid-template-columns: 26px 96px 152px minmax(0, 1fr);
  align-items: center;
  min-width: 480px;
  padding-right: 16px;
}

.kr-dbg-source .kr-dbg-cols,
.kr-dbg-source .kr-dbg-line {
  grid-template-columns: 26px 40px minmax(0, 1fr);
  min-width: 300px;
}

.kr-dbg-cols {
  padding-block: 4px 6px;
  color: var(--kr-code-gutter);
  font: 12px/1.6 var(--font);
}

.kr-dbg-line {
  min-height: 30px;
  color: var(--text);
  white-space: pre;
}

.kr-dbg-line.is-current {
  background: var(--kr-code-current);
}

.kr-dbg-pointer {
  visibility: hidden;
  color: var(--accent);
  font-size: 11px;
  text-align: center;
}

.kr-dbg-line.is-current .kr-dbg-pointer {
  visibility: visible;
}

.kr-dbg-addr,
.kr-dbg-bytes {
  color: var(--kr-code-gutter);
}

.kr-dbg-line code {
  font: inherit;
  color: var(--text);
}

.kr-dbg-line b {
  color: var(--code-keyword);
  font-weight: 600;
}

.kr-dbg-line em {
  color: var(--code-value);
  font-style: normal;
}

.kr-dbg-regs {
  border-left: 1px solid var(--line);
  padding: 6px 16px 14px;
}

.kr-dbg-regs .kr-dbg-cols {
  display: block;
  min-width: 0;
  padding: 4px 0 6px;
}

.kr-dbg-regs dl {
  margin: 0;
}

.kr-dbg-regs dl>div {
  display: flex;
  justify-content: space-between;
  min-height: 30px;
  align-items: center;
}

.kr-dbg-regs dt {
  color: var(--kr-code-gutter);
}

.kr-dbg-regs dd {
  margin: 0;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.kr-dbg-regs dd.is-changed {
  color: var(--code-value);
  font-weight: 600;
}

.kr-dbg-phase {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font: 13px/1.5 var(--font);
}

.kr-dbg-status {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 6px 20px;
  align-items: center;
  padding: 10px 16px;
  border-top: 1px solid var(--line);
  background: var(--panel-light);
  font: 13px/1.6 var(--font);
}

.kr-dbg-progress {
  color: var(--accent);
  font-family: var(--mono);
  font-weight: 600;
}

.kr-dbg-note {
  color: var(--text);
}

.kr-dbg-pair {
  color: var(--muted);
}

.kr-dbg-pair code {
  margin-inline: 4px;
  color: var(--text);
  font-family: var(--mono);
}

.kr-dbg-pair small {
  font-family: var(--mono);
  font-size: 12px;
}

.kr-teachers {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin: 0 0 48px;
  padding: 0;
  list-style: none;
}

.kr-teachers>li {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 20px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.kr-teachers img {
  width: 112px;
  height: 112px;
  object-fit: cover;
  object-position: center 22%;
  border-radius: var(--radius);
}

.kr-teachers h3 {
  color: var(--kr-strong);
  font-size: 19px;
  font-weight: 700;
}

.kr-teachers p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.kr-teachers .kr-teacher-role {
  margin: 2px 0 8px;
  color: var(--accent);
  font-weight: 600;
}

.kr-school {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 56px;
  align-items: start;
}

.kr-school h3 {
  margin-bottom: 14px;
  color: var(--kr-strong);
  font-size: 22px;
  font-weight: 700;
}

.kr-prose.prose {
  --prose-indent: 0;
  color: var(--text);
  font-size: 16px;
  line-height: 1.85;
}

.kr-prose.prose p {
  margin: 0 0 12px;
}

.kr-employers {
  margin: 20px 0;
  padding: 16px 0;
  border-block: 1px solid var(--line);
  color: var(--text);
  font-size: 15px;
  line-height: 1.8;
}

.kr-employers span {
  display: block;
  color: var(--muted);
  font-size: 14px;
}

.kr-video video {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  background: #000;
}

.kr-video figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
}

.kr-results-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 56px;
}

.kr-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.kr-table th {
  padding: 0 12px 10px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  font-weight: 400;
  text-align: left;
}

.kr-table td {
  padding: 14px 12px 14px 0;
  border-bottom: 1px solid var(--line);
  color: var(--text);
  vertical-align: top;
}

.kr-table td:first-child {
  color: var(--muted);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.kr-table td:nth-child(2) a {
  color: var(--kr-strong);
  font-weight: 600;
}

.kr-table a:hover {
  color: var(--accent);
}

.kr-level {
  color: var(--code-value);
  font-weight: 600;
}

.kr-feedback {
  margin: 0;
  padding: 0;
  list-style: none;
}

.kr-feedback li {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.kr-feedback li:first-child {
  border-top: 1px solid var(--line);
}

.kr-feedback a {
  color: var(--kr-strong);
  font-size: 16px;
  font-weight: 600;
}

.kr-feedback a:hover {
  color: var(--accent);
}

.kr-feedback time {
  margin-left: 12px;
  color: var(--muted);
  font-size: 14px;
}

.kr-feedback p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.kr-consult-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

.kr-consult-grid h3 {
  margin-bottom: 16px;
  color: var(--kr-strong);
  font-size: 18px;
  font-weight: 700;
}

.kr-steps ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: kr-step;
}

.kr-steps li {
  position: relative;
  margin: 0;
  padding: 0 0 18px 44px;
  counter-increment: kr-step;
}

.kr-steps li::before {
  content: counter(kr-step);
  position: absolute;
  left: 0;
  top: 2px;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
}

.kr-steps strong {
  color: var(--kr-strong);
  font-size: 16px;
}

.kr-steps li p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 15px;
}

.kr-faq.prose h3 {
  margin: 0 0 4px;
  color: var(--kr-strong);
  font-size: 16px;
  font-weight: 600;
}

.kr-faq.prose p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 15px;
}

.kr-contact {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.kr-contact-phone {
  display: block;
  color: var(--kr-strong);
  font-size: 28px;
  font-weight: 700;
  line-height: 1.3;
  font-variant-numeric: tabular-nums;
}

.kr-contact ul {
  margin: 12px 0;
  padding: 0;
  list-style: none;
  color: var(--text);
  font-size: 15px;
}

.kr-contact li span {
  margin-right: 10px;
  color: var(--muted);
}

.kr-contact p {
  margin-bottom: 20px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.kr-footer.site-footer {
  padding: 56px 0 0;
  border-top: 0;
  background: var(--kr-footer);
  color: var(--kr-footer-text);
  font-size: 14px;
}

.kr-footer a:hover {
  color: #ffffff;
}

.kr-footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, .7fr) minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 40px;
  padding-bottom: 40px;
}

.kr-footer-brand img {
  width: auto;
  height: 44px;
  margin-bottom: 18px;
}

.kr-footer-brand p {
  margin-bottom: 8px;
  line-height: 1.8;
}

.kr-footer h2 {
  margin-bottom: 14px;
  color: #ffffff;
  font-size: 15px;
  font-weight: 600;
}

.kr-footer ul {
  margin: 0;
  padding: 0;
  list-style: none;
  line-height: 2.1;
}

.kr-footer-nav ul {
  columns: 2;
  column-gap: 24px;
}

.kr-footer-phone {
  display: block;
  margin-bottom: 8px;
  color: #ffffff;
  font-size: 22px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.kr-footer-contact p {
  margin: 8px 0;
}

.kr-footer-link {
  display: inline-block;
  margin-top: 6px;
  color: #ffffff;
  font-weight: 600;
}

.kr-friends {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 20px;
  padding: 18px 0;
  border-top: 1px solid #ffffff1a;
}

.kr-friends img {
  display: inline-block;
  max-height: 28px;
  width: auto;
  vertical-align: middle;
}

.kr-footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  padding: 18px 0 24px;
  border-top: 1px solid #ffffff1a;
  color: #8693a8;
  font-size: 13px;
}

.kr-footer-bottom span {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
}

@media (max-width: 1100px) {
  .kr-shell {
    width: calc(100% - 56px);
  }

  .kr-menu .nav-list {
    gap: 20px;
    font-size: 14px;
  }

  .kr-brand span {
    display: none;
  }

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

  .kr-stages>li:nth-child(3) {
    border-left: 0;
  }

  .kr-stages>li:nth-child(n+3) {
    border-top: 1px solid var(--line);
  }

  .kr-teachers {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

  .kr-contact {
    grid-column: 1 / -1;
  }

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

@media (max-width: 900px) {
  .kr-topbar {
    display: none;
  }

  .kr-header-inner {
    min-height: 64px;
  }

  .kr-brand img {
    height: 36px;
  }

  .kr-menu-toggle.menu-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: transparent;
    color: var(--text);
    font-size: 14px;
  }

  .kr-menu-toggle .menu-icon {
    position: relative;
    width: 16px;
    height: 11px;
    border-block: 1.5px solid currentColor;
  }

  .kr-menu-toggle .menu-icon::after {
    content: "";
    position: absolute;
    top: 3.5px;
    right: 0;
    left: 0;
    border-top: 1.5px solid currentColor;
  }

  .kr-menu.site-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    max-height: calc(100dvh - 90px);
    overflow: auto;
    padding: 8px 28px 24px;
    border-bottom: 1px solid var(--line);
    background: var(--kr-header);
    box-shadow: var(--shadow);
  }

  .kr-menu.site-menu.is-open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
  }

  .kr-menu .nav-list {
    display: block;
  }

  .kr-menu .nav-list>li {
    border-bottom: 1px solid var(--line);
  }

  .kr-menu .nav-list>li>a,
  .kr-menu .nav-group>summary {
    display: flex;
    justify-content: space-between;
    padding: 14px 0;
    border-bottom: 0;
    font-size: 16px;
  }

  .kr-menu .nav-list>li>a:hover,
  .kr-menu .nav-group>summary:hover,
  .kr-menu .nav-group[open]>summary {
    border-bottom: 0;
  }

  .kr-menu .nav-dropdown {
    position: static;
    width: auto;
    max-height: none;
    margin-bottom: 12px;
    padding: 0 0 4px 16px;
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }

  .kr-menu-phone {
    display: block;
    color: var(--text);
    font-weight: 600;
  }

  .kr-header-cta.kr-button {
    min-height: 46px;
  }

  .kr-hero {
    padding-top: 40px;
  }

  .kr-hero-grid,
  .kr-news-grid,
  .kr-lab-grid,
  .kr-school,
  .kr-results-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .kr-hero h1 {
    font-size: 36px;
  }

  .kr-hero-photo img {
    aspect-ratio: 16 / 9;
  }

  .kr-enroll {
    grid-template-columns: 1fr;
    margin-top: 36px;
  }

  .kr-enroll .kr-button {
    justify-self: start;
  }

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

  .kr-facts>div:nth-child(3) {
    padding-left: 0;
    border-left: 0;
  }

  .kr-facts>div:nth-child(n+3) {
    border-top: 1px solid var(--line);
  }

  .kr-section {
    padding: 56px 0;
  }
}

@media (max-width: 600px) {
  .kr-shell {
    width: calc(100% - 36px);
  }

  .kr-menu.site-menu {
    padding-inline: 18px;
  }

  .kr-hero h1 {
    font-size: 30px;
  }

  .kr-hero-lead {
    font-size: 16px;
  }

  .kr-actions .kr-button {
    flex: 1 1 auto;
  }

  .kr-enroll {
    padding: 20px;
  }

  .kr-facts>div,
  .kr-facts>div+div {
    padding: 22px 12px 24px 0;
  }

  .kr-facts>div:nth-child(even) {
    padding-left: 16px;
  }

  .kr-facts strong {
    font-size: 28px;
  }

  .kr-section {
    padding: 44px 0;
  }

  .kr-head h2,
  .kr-lab-copy h2 {
    font-size: 24px;
  }

  .kr-stages {
    grid-template-columns: 1fr;
  }

  .kr-stages>li+li {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .kr-news-feature {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .kr-news-list li {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .kr-news-list a {
    white-space: normal;
  }

  .kr-dbg-bar {
    flex-wrap: wrap;
    gap: 0 12px;
    padding: 8px 8px 0 12px;
  }

  .kr-dbg-bar strong {
    flex: 1 0 100%;
  }

  .kr-dbg .kr-dbg-tabs {
    min-height: 40px;
  }

  .kr-dbg-step {
    margin-bottom: 8px;
  }

  .kr-dbg-main {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .kr-dbg {
    font-size: 13px;
  }

  .kr-dbg-cols,
  .kr-dbg-line {
    grid-template-columns: 22px 84px minmax(0, 1fr);
    min-width: 0;
    padding-right: 12px;
  }

  .kr-dbg-bytes,
  .kr-dbg-cols span:nth-child(3):not(:last-child) {
    display: none;
  }

  .kr-dbg-regs {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .kr-dbg-regs dl {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 24px;
  }

  .kr-dbg-status {
    grid-template-columns: 1fr;
  }

  .kr-teachers>li {
    grid-template-columns: 80px minmax(0, 1fr);
    gap: 16px;
    padding: 18px;
  }

  .kr-teachers img {
    width: 80px;
    height: 80px;
  }

  .kr-table thead {
    display: none;
  }

  .kr-table,
  .kr-table tbody {
    display: block;
  }

  .kr-table tr {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 2px 12px;
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
  }

  .kr-table td {
    padding: 0;
    border: 0;
  }

  .kr-table td:nth-child(2) {
    grid-column: 1 / -1;
    grid-row: 1;
  }

  .kr-consult-grid,
  .kr-footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .kr-contact {
    padding: 20px;
  }
}

/* 内页：页首、面包屑、主栏与侧栏。 */
.kr-pagehead {
  padding: 28px 0 32px;
  border-bottom: 1px solid var(--line);
  background: var(--kr-band);
}

.kr-pagehead h1 {
  margin-top: 14px;
  color: var(--kr-strong);
  font-size: 32px;
  font-weight: 700;
}

.kr-pagehead p {
  max-width: 48em;
  margin-top: 8px;
  color: var(--muted);
  font-size: 15px;
}

.kr-crumbbar {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  background: var(--kr-band);
}

.kr-crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
  color: var(--muted);
  font-size: 14px;
}

.kr-crumbs a:hover {
  color: var(--accent);
}

.kr-crumbs span {
  opacity: .5;
}

.kr-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 48px;
  align-items: start;
  padding-block: 40px 72px;
}

.kr-layout-single {
  grid-template-columns: minmax(0, 860px);
}

.kr-main {
  min-width: 0;
}

.kr-wide {
  padding-block: 32px 72px;
}

.kr-sidenav {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.kr-sidenav h2 {
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
  color: var(--kr-strong);
  font-size: 16px;
  font-weight: 700;
}

.kr-sidenav ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.kr-sidenav li+li {
  border-top: 1px solid var(--line);
}

.kr-sidenav a {
  display: block;
  padding: 12px 20px;
  color: var(--text);
  font-size: 15px;
}

.kr-sidenav a:hover {
  color: var(--accent);
}

.kr-sidenav a[aria-current=page] {
  box-shadow: inset 3px 0 var(--accent);
  background: var(--panel-light);
  color: var(--accent);
  font-weight: 600;
}

.kr-sidenav li ul {
  padding-bottom: 8px;
}

.kr-sidenav li ul li+li {
  border-top: 0;
}

.kr-sidenav li ul a {
  padding: 6px 20px 6px 36px;
  color: var(--muted);
  font-size: 14px;
}

.kr-side-card {
  margin-top: 20px;
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.kr-side-card:first-child {
  margin-top: 0;
}

.kr-side-card h2 {
  margin-bottom: 10px;
  color: var(--kr-strong);
  font-size: 16px;
  font-weight: 700;
}

.kr-side-card>p {
  color: var(--muted);
  font-size: 14px;
}

.kr-side-phone {
  display: block;
  color: var(--kr-strong);
  font-size: 22px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.kr-side-card ul {
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
  color: var(--text);
  font-size: 14px;
  line-height: 1.9;
}

.kr-side-card li span {
  margin-right: 8px;
  color: var(--muted);
}

.kr-side-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.kr-side-actions .kr-button {
  flex: 1 1 auto;
  min-height: 40px;
  padding: 0 14px;
  font-size: 14px;
}

.kr-children {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 32px;
}

.kr-children a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.kr-children a:hover {
  border-color: var(--accent);
}

.kr-children strong {
  color: var(--kr-strong);
  font-size: 16px;
  font-weight: 600;
}

.kr-children a:hover strong {
  color: var(--accent);
}

.kr-children span {
  display: -webkit-box;
  overflow: hidden;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.kr-intro {
  margin-bottom: 32px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.kr-count {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.kr-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 14px;
  color: var(--muted);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.kr-tag {
  padding: 0 6px;
  border: 1px solid var(--accent);
  border-radius: 2px;
  color: var(--accent);
  font-size: 12px;
  line-height: 1.6;
}

.kr-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.kr-item {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.kr-item:not(:has(.kr-item-thumb)) {
  grid-template-columns: 1fr;
}

.kr-item-thumb img,
.kr-item-video {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius);
  background: var(--panel-light);
}

.kr-item-video {
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 14px;
}

.kr-item h3 {
  margin: 6px 0 6px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
}

.kr-item h3 a {
  color: var(--kr-strong);
}

.kr-item h3 a:hover {
  color: var(--accent);
}

.kr-item-summary {
  display: -webkit-box;
  overflow: hidden;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.kr-item-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
  margin-top: 8px;
  font-size: 14px;
}

.kr-item-facts div {
  display: flex;
  gap: 6px;
}

.kr-item-facts dt {
  color: var(--muted);
}

.kr-item-file {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 14px;
}

.kr-button-small.kr-button {
  min-height: 34px;
  padding: 0 14px;
  font-size: 14px;
}

.kr-empty {
  padding: 48px 0;
  text-align: center;
}

.kr-empty h2 {
  margin-bottom: 8px;
  color: var(--kr-strong);
  font-size: 20px;
}

.kr-empty p {
  margin-bottom: 12px;
  color: var(--muted);
}

.kr-pager {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 32px;
  font-size: 14px;
}

.kr-pager a,
.kr-pager strong,
.kr-pager-nums>span {
  display: inline-grid;
  place-items: center;
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
}

.kr-pager-nums {
  display: flex;
  gap: 8px;
}

.kr-pager-nums>span {
  border-color: transparent;
}

.kr-pager a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.kr-pager strong {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--button-ink);
}

.kr-pager small {
  margin-left: auto;
  color: var(--muted);
  font-size: 13px;
}

.kr-pager-mobile {
  display: none;
}

.kr-article-head {
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.kr-article-head h1 {
  margin: 4px 0 10px;
  color: var(--kr-strong);
  font-size: 30px;
  font-weight: 700;
  line-height: 1.4;
}

.kr-summary {
  margin-top: 16px;
  padding: 16px 20px;
  border-radius: var(--radius);
  background: var(--panel-light);
  color: var(--text);
  font-size: 15px;
  line-height: 1.8;
}

.kr-article>.prose,
.kr-article-body {
  max-width: 820px;
}

.kr-neighbors {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.kr-neighbors a {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.kr-neighbors a[rel=next] {
  grid-column: 2;
  text-align: right;
}

.kr-neighbors a:hover {
  border-color: var(--accent);
}

.kr-neighbors small {
  color: var(--muted);
  font-size: 13px;
}

.kr-neighbors span {
  overflow: hidden;
  color: var(--kr-strong);
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.kr-return {
  margin-top: 24px;
  font-size: 15px;
}

.kr-return a {
  color: var(--accent);
  font-weight: 600;
}

.kr-return a:hover {
  text-decoration: underline;
}

.kr-field {
  margin: 0 0 28px;
}

.kr-field h2 {
  margin-bottom: 12px;
  color: var(--kr-strong);
  font-size: 20px;
  font-weight: 700;
}

.kr-field figure img {
  border-radius: var(--radius);
}

.kr-field figcaption {
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
}

.kr-fact {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
}

.kr-fact dt {
  color: var(--muted);
}

.kr-files {
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.kr-files li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
}

.kr-files li+li {
  border-top: 1px solid var(--line);
}

.kr-files strong {
  color: var(--kr-strong);
  font-weight: 600;
  overflow-wrap: anywhere;
}

.kr-files p {
  margin-top: 2px;
  color: var(--muted);
  font-size: 14px;
}

.kr-files small {
  color: var(--muted);
  font-size: 13px;
}

.kr-note {
  color: var(--muted);
  font-size: 14px;
}

.kr-sectabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.kr-sectabs a {
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 14px;
}

.kr-sectabs a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.kr-sectabs a[aria-current=page] {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--button-ink);
}

.kr-player {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 24px;
  align-items: start;
}

.kr-player-stage {
  min-width: 0;
}

.kr-player-panel>video,
.kr-player-panel>iframe,
.kr-player-missing,
.kr-episode>video,
.kr-episode>iframe {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  border: 0;
  border-radius: var(--radius);
  background: #000;
}

.kr-player-missing {
  display: grid;
  place-content: center;
  gap: 4px;
  background: var(--panel-light);
  color: var(--muted);
  text-align: center;
}

.kr-player-title {
  padding: 18px 0 14px;
}

.kr-player-title>p:first-child {
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
}

.kr-player-title h2 {
  margin: 2px 0 6px;
  color: var(--kr-strong);
  font-size: 22px;
  font-weight: 700;
}

.kr-player-title p {
  color: var(--muted);
  font-size: 15px;
}

.kr-player-notes {
  border-top: 1px solid var(--line);
}

.kr-player-notes>summary {
  padding: 14px 0;
  color: var(--kr-strong);
  font-weight: 600;
  cursor: pointer;
}

.kr-player-notes[open]>summary {
  margin-bottom: 8px;
}

.kr-player-list {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.kr-player-list header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

.kr-player-list h2 {
  color: var(--kr-strong);
  font-size: 16px;
  font-weight: 700;
}

.kr-player-list header span {
  color: var(--muted);
  font-size: 13px;
}

.kr-player-list ol,
.kr-episode-list {
  max-height: 560px;
  overflow: auto;
  margin: 0;
  padding: 0;
  list-style: none;
  scrollbar-color: var(--line) transparent;
}

.kr-player-list li+li,
.kr-episode-list li+li {
  border-top: 1px solid var(--line);
}

.kr-player-list button,
.kr-episode-list button {
  display: flex;
  gap: 12px;
  width: 100%;
  padding: 12px 16px;
  border: 0;
  background: transparent;
  color: var(--text);
  font-size: 14px;
  line-height: 1.55;
  text-align: left;
}

.kr-player-list button:hover,
.kr-episode-list button:hover {
  color: var(--accent);
}

.kr-player-list button[aria-pressed=true],
.kr-episode-list button[aria-pressed=true] {
  box-shadow: inset 3px 0 var(--accent);
  background: var(--panel-light);
  color: var(--accent);
  font-weight: 600;
}

.kr-player-no,
.kr-episode-list button>span {
  flex: 0 0 24px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.kr-player-name small,
.kr-episode-list small {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
}

.kr-anchor {
  display: block;
  position: relative;
  top: -100px;
}

.kr-episodes h2 {
  margin-bottom: 12px;
}

.kr-episode>p {
  margin: 12px 0;
  color: var(--muted);
  font-size: 15px;
}

.kr-episode-list {
  margin-top: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.kr-downloads {
  display: grid;
  gap: 20px;
  margin-top: 20px;
}

.kr-download {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.kr-download header {
  margin-bottom: 14px;
}

.kr-download h2 {
  margin: 6px 0 4px;
  color: var(--kr-strong);
  font-size: 19px;
  font-weight: 700;
}

.kr-download .prose {
  margin-bottom: 16px;
  font-size: 15px;
}

.kr-honor-jump {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 48px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.kr-honor-jump a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 22px;
}

.kr-honor-jump a+a {
  border-left: 1px solid var(--line);
}

.kr-honor-jump strong {
  color: var(--kr-strong);
  font-size: 17px;
}

.kr-honor-jump span {
  color: var(--muted);
  font-size: 14px;
}

.kr-honor-jump a:hover strong {
  color: var(--accent);
}

.kr-honor-block {
  margin-bottom: 56px;
  scroll-margin-top: 96px;
}

.kr-years {
  border-top: 1px solid var(--line);
}

.kr-year {
  border-bottom: 1px solid var(--line);
}

.kr-year>summary {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 16px 0;
  list-style: none;
  cursor: pointer;
}

.kr-year>summary::-webkit-details-marker {
  display: none;
}

.kr-year>summary strong {
  color: var(--kr-strong);
  font-size: 22px;
  font-variant-numeric: tabular-nums;
}

.kr-year>summary span {
  color: var(--muted);
  font-size: 14px;
}

.kr-year>summary::after {
  content: "展开";
  margin-left: auto;
  color: var(--accent);
  font-size: 14px;
}

.kr-year[open]>summary::after {
  content: "收起";
}

.kr-year ol {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.kr-year li {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 20px;
  padding: 12px 0;
  scroll-margin-top: 96px;
}

.kr-year li+li {
  border-top: 1px dashed var(--line);
}

.kr-year time {
  color: var(--muted);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.kr-year h3 {
  color: var(--kr-strong);
  font-size: 16px;
  font-weight: 600;
}

.kr-year h3 a:hover {
  color: var(--accent);
}

.kr-year li p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 14px;
}

.kr-awards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}

.kr-awards article {
  scroll-margin-top: 96px;
}

.kr-award-image {
  display: block;
  margin-bottom: 10px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
}

.kr-award-image:hover {
  border-color: var(--accent);
}

.kr-award-image img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
}

.kr-awards h3 {
  color: var(--kr-strong);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
}

.kr-awards time,
.kr-awards p {
  color: var(--muted);
  font-size: 13px;
}

.kr-partners {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}

.kr-partners article {
  display: grid;
  place-items: center;
  min-height: 88px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  color: #1a2639;
  font-size: 14px;
  text-align: center;
  scroll-margin-top: 96px;
}

.kr-partners img {
  max-height: 56px;
  width: auto;
  object-fit: contain;
}

.kr-partner-note {
  margin-top: 8px;
  font-size: 12px;
}

.kr-lightbox {
  max-width: min(92vw, 1100px);
  max-height: 92vh;
  padding: 40px 16px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--text);
}

.kr-lightbox::backdrop {
  background: #000b;
}

.kr-lightbox button {
  position: absolute;
  top: 6px;
  right: 10px;
  border: 0;
  background: none;
  color: var(--text);
  font-size: 26px;
  line-height: 1;
}

.kr-lightbox img {
  max-height: 78vh;
  margin: 0 auto;
}

.kr-lightbox figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

.kr-honor-preview {
  margin-bottom: 24px;
  border-radius: var(--radius);
}

.kr-contact-page {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
  padding-block: 40px 72px;
}

.kr-panel {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.kr-panel>h2 {
  margin-bottom: 12px;
  color: var(--kr-strong);
  font-size: 22px;
  font-weight: 700;
}

.kr-lead {
  margin-bottom: 20px;
  color: var(--muted);
  font-size: 15px;
}

.kr-contact-list {
  margin: 0;
}

.kr-contact-list>div {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
}

.kr-contact-list dt {
  color: var(--muted);
}

.kr-contact-list a:hover {
  color: var(--accent);
}

.kr-contact-big {
  color: var(--kr-strong);
  font-size: 22px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* 侧栏较窄，联系项改为标签在上、内容在下。 */
.kr-aside .kr-contact-list>div {
  grid-template-columns: 1fr;
  gap: 2px;
}

.kr-advisors {
  margin-top: 24px;
}

.kr-advisors h3,
.kr-directions h3 {
  margin-bottom: 10px;
  color: var(--kr-strong);
  font-size: 17px;
  font-weight: 700;
}

.kr-advisors ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.kr-advisors li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 12px 0;
  font-size: 15px;
}

.kr-advisors li+li {
  border-top: 1px solid var(--line);
}

.kr-advisors strong {
  min-width: 4em;
  color: var(--kr-strong);
}

.kr-advisors .kr-note:empty {
  display: none;
}

.kr-qr {
  margin-top: 12px;
}

.kr-qr img {
  width: 140px;
  border-radius: var(--radius);
  background: #ffffff;
}

.kr-qr figcaption {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.kr-directions {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.kr-contact-side {
  display: grid;
  gap: 20px;
}

.kr-map h2 {
  margin-bottom: 12px;
  color: var(--kr-strong);
  font-size: 18px;
  font-weight: 700;
}

.kr-map-frame,
.kr-map-image {
  position: relative;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 4 / 3;
  margin-bottom: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-light);
}

.kr-map-frame iframe,
.kr-map-frame .contact-map-canvas {
  width: 100%;
  height: 100%;
  border: 0;
}

.kr-map-frame .contact-map-status {
  position: absolute;
  inset: auto 0 0;
  padding: 8px 12px;
  background: var(--panel);
  color: var(--muted);
  font-size: 13px;
}

.kr-notice {
  margin-bottom: 20px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-light);
  font-size: 14px;
}

.kr-notice strong {
  color: var(--kr-strong);
}

.kr-notice p {
  margin-top: 2px;
  color: var(--muted);
}

.kr-form fieldset {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
  margin: 0;
  padding: 0;
  border: 0;
}

.kr-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--kr-strong);
  font-size: 14px;
  font-weight: 600;
}

.kr-label i {
  color: var(--error);
  font-style: normal;
}

.kr-form-wide {
  grid-column: 1 / -1;
}

.kr-form input,
.kr-form textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  font-weight: 400;
}

.kr-form input:focus,
.kr-form textarea:focus {
  border-color: var(--accent);
  outline: 0;
}

.kr-form :is(input, textarea):disabled {
  color: var(--muted);
  -webkit-text-fill-color: var(--muted);
}

.kr-form ::placeholder {
  color: var(--muted);
}

.kr-form small {
  color: var(--muted);
  font-size: 13px;
  font-weight: 400;
}

.kr-form .kr-button {
  justify-self: start;
  min-width: 140px;
}

.kr-form .kr-button:disabled {
  border-color: var(--line);
  background: var(--panel-light);
  color: var(--muted);
}

.kr-form [aria-invalid=true] {
  border-color: var(--error);
}

.kr-form .field-error {
  color: var(--error);
}

.kr-form-status {
  margin-top: 14px;
  color: var(--accent);
  font-size: 14px;
}

.kr-form-status.is-error {
  color: var(--error);
}

.kr-form-status:empty {
  display: none;
}

.kr-error {
  padding-block: 96px 120px;
  text-align: center;
}

.kr-error-code {
  color: var(--accent);
  font-size: 64px;
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.kr-error h1 {
  margin: 20px 0 10px;
  color: var(--kr-strong);
  font-size: 28px;
}

.kr-error>p:not(.kr-error-code) {
  margin-bottom: 28px;
  color: var(--muted);
}

.kr-error .kr-actions {
  justify-content: center;
}

@media (max-width: 1100px) {
  .kr-layout {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 32px;
  }

  .kr-player {
    grid-template-columns: minmax(0, 1fr) 280px;
  }
}

@media (max-width: 900px) {
  .kr-layout,
  .kr-contact-page,
  .kr-player {
    grid-template-columns: 1fr;
  }

  .kr-layout {
    padding-block: 28px 56px;
  }

  .kr-pagehead h1 {
    font-size: 26px;
  }

  .kr-article-head h1 {
    font-size: 24px;
  }

  .kr-player-list ol {
    max-height: 420px;
  }
}

@media (max-width: 600px) {
  .kr-pagehead {
    padding: 20px 0 22px;
  }

  .kr-item {
    grid-template-columns: 112px minmax(0, 1fr);
    gap: 14px;
    padding: 18px 0;
  }

  .kr-item h3 {
    font-size: 16px;
  }

  .kr-item-summary {
    font-size: 14px;
    -webkit-line-clamp: 3;
  }

  .kr-pager-desktop {
    display: none;
  }

  .kr-pager-mobile {
    display: flex;
  }

  .kr-pager small {
    flex-basis: 100%;
    margin-left: 0;
  }

  .kr-neighbors {
    grid-template-columns: minmax(0, 1fr);
  }

  .kr-neighbors a[rel=next] {
    grid-column: auto;
    text-align: left;
  }

  .kr-honor-jump {
    grid-template-columns: 1fr;
  }

  .kr-honor-jump a+a {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .kr-year li,
  .kr-fact,
  .kr-contact-list>div {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .kr-panel,
  .kr-download {
    padding: 20px;
  }

  .kr-form fieldset {
    grid-template-columns: 1fr;
  }

  .kr-files li {
    flex-direction: column;
    align-items: flex-start;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}