:root {
  --ink: #252729;
  --muted: #51565d;
  --accent: #7834bd;
  --line: #dce3ec;
  --paper: #f4f6fa;
  --tint: #edf3fb;
  --head: #fff;
  --brand-field: linear-gradient(90deg, #8145c6, #156cbb);
  --white: #fff;
  --focus: #f5b530;
  --radius: 12px;
  --space: 48px;
  color-scheme: light;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  color: var(--ink);
  background: var(--white);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 112px;
}
body {
  margin: 0;
  font-size: 17px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
h1,
h2,
h3,
p,
figure {
  margin: 0;
}
h1,
h2,
h3 {
  line-height: 1.4;
  text-wrap: balance;
}
h1 {
  font-size: 36px;
}
h2 {
  font-size: 32px;
}
h3 {
  font-size: 23px;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  cursor: pointer;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
p + p {
  margin-top: 12px;
}
::selection {
  background: var(--accent);
  color: #fff;
}
:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}
button,
a,
input {
  touch-action: manipulation;
}
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-thumb {
  background: #727d8c;
  border: 2px solid var(--paper);
  border-radius: 10px;
}
::-webkit-scrollbar-track {
  background: var(--paper);
}
.container {
  width: min(1200px, calc(100% - 80px));
  margin-inline: auto;
}
.site-header {
  position: relative;
  z-index: 30;
  color: #fff;
  background: var(--brand-field);
}
.brand-row {
  min-height: 88px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-right: auto;
  flex-shrink: 0;
}
.brand img {
  width: 116px;
  max-height: 58px;
  object-fit: contain;
}
.brand span {
  font-size: 16px;
  font-weight: 700;
  max-width: 150px;
  line-height: 1.5;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}
.site-nav > a {
  padding: 26px 0;
  white-space: nowrap;
  font-size: 16px;
  position: relative;
}
.site-nav > a[aria-current] {
  font-weight: 700;
}
.site-nav > a[aria-current]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 19px;
  height: 3px;
  background: currentColor;
}
.header-contact .button {
  padding-inline: 18px;
  min-height: 48px;
  border: 1px solid #ffffff80;
  background: transparent;
  color: inherit;
}
.menu-toggle {
  display: none;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  min-height: 52px;
  padding: 12px 24px;
  border: 0;
  background: var(--accent);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  border-radius: 6px;
  line-height: 1.5;
  transition:
    filter 0.18s,
    transform 0.18s;
}
.button:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
}
.button.secondary {
  background: var(--paper);
  color: var(--accent);
}
.contact-pair {
  display: flex;
  align-items: stretch;
  gap: 12px;
  flex-shrink: 0;
}
.contact-pair .button {
  padding-inline: 20px;
  white-space: nowrap;
}
.contact-pair .button > span[aria-hidden] {
  display: none;
}
.contact-pair .button.secondary {
  color: var(--accent);
  background: transparent;
  border: 1px solid currentColor;
}
.contact-pair-header .button {
  padding-inline: 14px;
  font-size: 14px;
  min-height: 46px;
}
.contact-pair-hero {
  margin-top: 28px;
}
.contact-pair-hero .button.secondary {
  background: #ffffffeb;
}
.contact-pair-intro {
  display: none;
}
.skip-link {
  position: absolute;
  left: 20px;
  top: -100px;
  padding: 12px;
  background: #fff;
  color: #000;
  z-index: 99;
}
.skip-link:focus {
  top: 12px;
}

.section {
  padding: 48px 0;
  position: relative;
}
.section + .section {
  border-top: 1px solid var(--line);
}
.section-head {
  margin-bottom: 26px;
}
.section-head h2 {
  display: inline-block;
  position: relative;
  padding-bottom: 14px;
}
.section-head h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 50px;
  height: 4px;
  background: var(--accent);
  border-radius: 4px;
}
.tint {
  background: var(--tint);
}
.paper {
  background: var(--paper);
}
.section-note {
  margin: 12px 0 24px;
  color: var(--muted);
  font-size: 16px;
}

.overview-grid {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 48px;
}
.overview-copy {
  font-size: 19px;
  line-height: 1.95;
}
.org-list {
  margin: 24px 0 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.org-list dt {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 8px;
}
.org-list dd {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 20px;
  color: var(--accent);
  font-weight: 700;
  min-height: 48px;
  margin-top: 18px;
  text-underline-offset: 6px;
}
.text-link:hover {
  text-decoration: underline;
}
.phrase {
  display: inline;
}

.preparation {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 55px;
}
.steps {
  margin: 0;
  padding: 0;
  list-style: none;
}
.steps li {
  display: flex;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.steps li:first-child {
  padding-top: 0;
}
.steps li:last-child {
  border: 0;
  padding-bottom: 0;
}
.steps > li > strong {
  font-size: 28px;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  line-height: 1.5;
}
.steps h3 {
  font-size: 22px;
  margin-bottom: 10px;
}
.audiences {
  display: grid;
  gap: 24px;
  align-content: start;
}
.audiences article {
  background: #fff;
  border-radius: 12px;
  padding: 28px;
}
.audiences h3 {
  margin-bottom: 12px;
}
.audiences .button {
  margin-top: 20px;
}
.archive-grid {
  display: flex;
  gap: 60px;
  justify-content: space-between;
  align-items: center;
}
.archive-grid > div {
  max-width: 760px;
}
.archive-grid .text-link {
  flex-shrink: 0;
}
.faq-list {
  border-top: 1px solid var(--line);
}
details {
  border-bottom: 1px solid var(--line);
}
summary {
  list-style: none;
  cursor: pointer;
  position: relative;
}
summary::-webkit-details-marker {
  display: none;
}
.faq-list summary {
  padding: 20px 48px 20px 0;
  font-size: 19px;
  font-weight: 700;
  min-height: 64px;
}
.faq-list summary::after {
  content: "＋";
  position: absolute;
  right: 10px;
  font-size: 24px;
  top: 16px;
}
.faq-list details[open] summary::after {
  content: "−";
}
.faq-list details > p {
  margin: 0 0 24px;
  max-width: 900px;
  line-height: 1.95;
}

.milestones {
  display: grid;
  grid-template-columns: 1fr;
}
.milestones article {
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.milestones article:first-child {
  padding-top: 0;
}
.milestones article:last-child {
  border: 0;
  padding-bottom: 0;
}
.date {
  display: block;
  font-size: 32px;
  line-height: 1.4;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  margin-bottom: 12px;
}
.milestones h3 {
  font-size: 21px;
  margin-bottom: 8px;
}
.milestones p {
  font-size: 16px;
}

.ai-poster {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: #eae5fa;
  color: #271846;
  text-align: center;
}
.ai-poster > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 70%;
  z-index: -1;
}
.ai-poster > .container {
  min-height: 660px;
  padding-top: 42px;
  padding-bottom: 330px;
}
.ai-poster h1 {
  font-size: clamp(38px, 3.6vw, 52px);
  line-height: 1.4;
  letter-spacing: 0.025em;
}
.ai-poster h1 > span + span::before {
  content: " ";
}
.ai-poster-slogan {
  font-size: 25px;
  color: #63329a;
  margin-top: 16px;
}
.ai-poster-scope {
  font-size: 16px;
  color: #43375c;
  margin-top: 8px;
}
.ai-poster .contact-pair-hero {
  justify-content: center;
  margin-top: 24px;
}
.ai-track-list {
  border-top: 1px solid var(--line);
}
.ai-track {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 240px;
  align-items: center;
  gap: 50px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}
.ai-track-heading {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 12px;
}
.ai-track-heading > span {
  font-size: 16px;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.ai-track h3 {
  font-size: 25px;
}
.ai-track-scope {
  font-size: 15px;
  color: var(--muted);
}
.ai-track .text-link {
  margin-top: 8px;
}
.ai-track > img {
  width: 100%;
  aspect-ratio: 3/2;
  object-fit: cover;
  border-radius: 8px;
}
.essay-poster {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: #d9e9f4;
  color: #16324c;
}
.essay-poster > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 55%;
  z-index: -1;
}
.essay-poster > .container {
  min-height: 590px;
  padding-top: 64px;
  padding-bottom: 64px;
}
.essay-poster-copy {
  max-width: 550px;
}
.essay-poster h1 {
  font:
    700 clamp(42px, 3.8vw, 56px) / 1.4 "Songti SC",
    "SimSun",
    serif;
  letter-spacing: 0.04em;
  text-wrap: initial;
}
.essay-poster h1 > span {
  display: block;
}
.essay-poster-slogan {
  font-size: 24px;
  margin-top: 22px;
}
.essay-poster-season {
  font-size: 16px;
  margin-top: 10px;
}
.essay-poster-deadline {
  margin-top: 28px;
}
.essay-poster-deadline > span {
  font-size: 15px;
}
.essay-poster-deadline .date {
  margin: 5px 0 0;
  font-size: 32px;
}
.essay-section-note {
  max-width: 850px;
  color: var(--muted);
  margin-bottom: 24px;
}
.essay-themes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
}
.essay-themes article {
  padding-top: 20px;
  border-top: 1px solid var(--accent);
}
.essay-themes article > span {
  font:
    400 32px/1 Georgia,
    serif;
  color: var(--accent);
}
.essay-themes h3 {
  font-family: "Songti SC", "SimSun", serif;
  font-size: 26px;
  margin-top: 20px;
  margin-bottom: 12px;
}
.essay-scopes article {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr);
  gap: 55px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
}
.essay-scopes h3 {
  font-size: 25px;
  margin-bottom: 14px;
}
.essay-scopes .spec-list > div:first-child {
  padding-top: 0;
}
.essay-calendar {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 30px 55px;
}
.essay-calendar article {
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.essay-calendar .date {
  white-space: normal;
}
.essay-calendar .date-line {
  display: inline-block;
  white-space: nowrap;
}
.essay-calendar h3 {
  font-size: 22px;
  margin-bottom: 10px;
}
.english-poster {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: #26101d;
  color: #fff;
}
.english-poster > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 62%;
  z-index: -2;
}
.english-poster::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(
    90deg,
    #26101d75 0%,
    #26101d20 50%,
    transparent 72%
  );
}
.english-poster > .container {
  padding-top: 64px;
  padding-bottom: 54px;
  min-height: 590px;
}
.english-poster-copy {
  max-width: 650px;
}
.english-poster h1 {
  font-size: clamp(40px, 3.9vw, 56px);
  line-height: 1.35;
  letter-spacing: 0.02em;
  text-wrap: initial;
}
.english-poster h1 > span {
  display: block;
}
.english-poster h1 > .english-edition {
  font-size: 24px;
  font-weight: 500;
  letter-spacing: 0.04em;
  margin-bottom: 22px;
  color: #f0d3a2;
}
.english-poster-intro {
  font-size: 23px;
  margin-top: 22px;
}
.english-poster-scope {
  font-size: 16px;
  color: #f0dbe5;
}
.english-poster-actions {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-top: 28px;
}
.english-poster-actions .button {
  background: #f0d3a2;
  color: #351323;
}
.english-poster-actions .text-link {
  margin: 0;
  color: #fff;
}
.english-poster-deadline {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 28px;
  margin-top: 30px;
  border-top: 1px solid #ffffff40;
  width: fit-content;
}
.english-poster-deadline > span {
  font-size: 15px;
  color: #f0dbe5;
}
.english-poster-deadline .date {
  color: #f0d3a2;
  margin: 0;
  font-size: 30px;
}
.english-section-intro {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 36px;
  margin-bottom: 10px;
}
.english-section-intro > p {
  max-width: 600px;
  color: var(--muted);
}
.english-calendar article {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
  align-items: center;
  gap: 40px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}
.english-calendar-heading {
  display: flex;
  align-items: center;
  gap: 28px;
}
.english-stage-number {
  font:
    400 42px/1 Georgia,
    serif;
  color: var(--accent);
}
.english-calendar-heading h3 {
  font-size: 25px;
  margin-bottom: 8px;
}
.english-calendar-heading p,
.english-calendar-date p {
  font-size: 16px;
  color: var(--muted);
}
.english-calendar .date {
  font-size: 30px;
  margin-bottom: 8px;
}
.english-calendar .date-line {
  display: inline-block;
  white-space: nowrap;
}
.ability-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  margin-top: 40px;
}
.ability-grid img {
  aspect-ratio: 3/2;
  width: 100%;
  object-fit: cover;
}
.ability-grid article > div {
  padding: 22px 0;
}
.ability-grid h3 {
  margin-bottom: 12px;
}
.subhero {
  background: var(--tint);
  padding: 32px 0 36px;
}
.subhero h1 {
  font-size: 36px;
  margin-bottom: 14px;
}
.subhero > div > p {
  max-width: 900px;
}
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 15px;
  margin-bottom: 25px;
  color: var(--muted);
}
.breadcrumbs a {
  color: var(--accent);
}
.sub-season {
  margin-top: 16px;
  font-size: 16px;
  color: var(--accent);
  font-weight: 700;
}
.reading-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 40px;
  align-items: start;
}
.reading-panel {
  background: #fff;
  padding: 32px;
  margin-bottom: 28px;
}
.panel-head {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-bottom: 24px;
  margin-bottom: 24px;
  border-bottom: 2px solid var(--accent);
}
.panel-head h2 {
  font-size: 28px;
}
.panel-intro {
  margin-bottom: 25px;
  font-size: 18px;
}
.reading-layout aside {
  background: #fff;
  padding: 26px;
  position: sticky;
  top: 30px;
}
.reading-layout aside > strong {
  display: block;
  font-size: 21px;
  line-height: 1.5;
}
.reading-layout aside > p {
  font-size: 15px;
  margin-top: 14px;
  color: var(--muted);
}
.reading-layout aside nav {
  display: grid;
  margin-top: 18px;
}
.reading-layout aside nav a {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  min-height: 52px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 16px;
}
.reading-layout aside > .button {
  margin-top: 24px;
  width: 100%;
  padding-inline: 12px;
}
.contact-pair-sidebar {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: 24px;
}
.group-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
.group-list > div {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.group-list > div:first-child {
  padding-top: 0;
}
.group-list h3 {
  font-size: 22px;
  margin-bottom: 8px;
}
.group-list > div:last-child {
  border: 0;
}
.bullets {
  margin: 0;
  padding-left: 24px;
}
.bullets li {
  padding: 8px 0;
}
.bullets li::marker {
  color: var(--accent);
}
.important {
  padding: 22px;
  background: var(--paper);
  margin-top: 25px;
}
.important h3 {
  font-size: 22px;
  margin-bottom: 10px;
}
.spec-list {
  margin: 0;
}
.spec-list > div {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr);
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.spec-list dt {
  font-weight: 700;
  color: var(--accent);
}
.spec-list dd {
  margin: 0;
}
.honor-list {
  display: grid;
  gap: 20px;
}
.honor-list article {
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}
.honor-list h3 {
  font-size: 22px;
  margin-bottom: 10px;
}
.reading-panel .milestones {
  display: block;
}
.reading-panel .milestones article {
  padding: 24px 0;
}
.contact-section {
  background: var(--brand-field);
  color: #fff;
}
.cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 50px;
}
.cta h2 {
  margin-bottom: 14px;
}
.cta p {
  font-size: 18px;
  max-width: 770px;
}
.cta .button {
  background: #fff;
  color: var(--accent);
  white-space: nowrap;
}
.cta .contact-pair .button.secondary {
  background: transparent;
  color: #fff;
  border: 1px solid currentColor;
}
.contact-section .section-head h2::after {
  background: #fff;
}
footer {
  background: #252729;
  color: #fff;
  padding: 34px 0 25px;
}
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: 45px;
}
.footer-grid strong {
  display: block;
  font-size: 20px;
  margin-bottom: 12px;
}
.footer-grid p {
  font-size: 15px;
  color: #e1e4e9;
}
.footer-grid nav {
  display: flex;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 14px 25px;
  align-content: start;
  font-size: 16px;
}
.source-credit {
  font-size: 13px;
  color: #d6d9df;
  margin-top: 28px;
}
.source-credit a {
  text-decoration: underline;
  text-underline-offset: 4px;
}
.mobile-contact {
  display: none;
}
.anchor-mark {
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 0;
}
dialog {
  border: 0;
  background: #fff;
  color: var(--ink);
  width: 450px;
  max-width: calc(100vw - 40px);
  padding: 38px;
  border-radius: 12px;
  box-shadow: 0 20px 70px #0005;
}
dialog::backdrop {
  background: #0009;
}
.dialog-close {
  position: absolute;
  right: 10px;
  top: 8px;
  min-width: 44px;
  min-height: 44px;
  border: 0;
  background: transparent;
  font-size: 28px;
  color: var(--ink);
}
dialog h2 {
  font-size: 28px;
  margin-bottom: 16px;
}
#wechat-id {
  display: block;
  font-size: 36px;
  color: var(--accent);
  margin: 22px 0;
  user-select: all;
}
dialog .button {
  width: 100%;
}
.copy-result {
  min-height: 30px;
  margin-top: 15px;
  font-size: 15px;
}
.theme-essay {
  --accent: #bc1e2d;
  --paper: #f2f6fa;
  --tint: #eaf1f7;
  --line: #d4dfe8;
  --brand-field: #bc1e2d;
  --radius: 0;
}
.theme-essay .site-header {
  background: #fff;
  color: var(--ink);
}
.theme-essay .brand-row {
  min-height: 90px;
}
.theme-essay .brand img {
  width: 300px;
  max-height: none;
}

.theme-essay .site-nav {
  gap: 22px;
}
.theme-essay .site-nav > a {
  font-size: 16px;
  padding: 26px 0;
}
.theme-essay .site-nav > a[aria-current] {
  color: var(--accent);
}
.theme-essay .header-contact .button:not(.secondary) {
  background: var(--accent);
  color: #fff;
  border: 0;
}

.theme-essay .section-head {
  margin-bottom: 28px;
}
.theme-essay .section-head h2::after {
  width: 40px;
  background: #bf2030;
}
.theme-essay .contact-section {
  background: #bc1e2d;
}
.theme-essay .button {
  border-radius: 0;
}

.theme-english {
  --accent: #b31d55;
  --paper: #f6f3f7;
  --tint: #f6eef4;
  --line: #e4d9e3;
  --brand-field: #53233c;
}
.theme-english .site-header {
  background: #fff;
  color: var(--ink);
  border-top: 4px solid var(--accent);
}
.english-identity strong {
  display: block;
  font-size: 26px;
  line-height: 1.25;
  letter-spacing: 0.06em;
  color: var(--accent);
}
.english-identity span {
  display: block;
  max-width: none;
  font-size: 12px;
  font-weight: 400;
  line-height: 1.5;
  margin-top: 5px;
  color: var(--muted);
}
.theme-english .brand-row {
  min-height: 94px;
}
.theme-english .header-contact .button {
  background: var(--accent);
  border: 0;
  color: #fff;
}
.theme-english .site-nav > a[aria-current] {
  color: var(--accent);
}
.theme-english .section-head h2::after {
  width: 44px;
}
.theme-english .contact-section {
  background: var(--brand-field);
}
.theme-english .subhero {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.theme-ai {
  --brand-field: #271846;
}
.theme-ai .header-contact .contact-pair .button {
  background: #fff;
  color: #271846;
  border: 1px solid #fff;
}
.theme-ai .header-contact .contact-pair .button.secondary {
  background: transparent;
  color: #fff;
}
.theme-ai .section-head h2::after {
  width: 40px;
}
@media (max-width: 1180px) {
  .contact-pair-intro {
    display: flex;
    margin-top: 24px;
  }
  .brand-row {
    gap: 20px;
  }
  .site-nav {
    gap: 20px;
  }
  .site-nav > a {
    font-size: 15px;
  }
  .theme-ai .brand span {
    display: none;
  }
  .header-contact {
    display: none;
  }

  .theme-essay .site-nav > a {
    font-size: 15px;
    padding: 26px 0;
  }

  .overview-grid {
    gap: 30px;
    grid-template-columns: 210px minmax(0, 1fr);
  }
}
@media (max-width: 1000px) {
  .container {
    width: calc(100% - 48px);
  }

  .overview-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .preparation {
    gap: 30px;
  }

  .reading-layout {
    grid-template-columns: 1fr;
  }
  .reading-layout aside {
    display: none;
  }
  .theme-essay .brand img {
    width: 280px;
  }
  .ai-track {
    grid-template-columns: minmax(0, 1fr) 200px;
    gap: 30px;
  }
  .essay-scopes article {
    gap: 30px;
  }
  .essay-poster h1 {
    font-size: 46px;
  }

  .english-poster > .container {
    min-height: 570px;
    padding-block: 48px;
  }
  .english-poster h1 {
    font-size: 44px;
  }
}
@media (max-width: 800px) {
  .site-header {
    position: relative;
  }
  .brand-row {
    min-height: 76px;
    justify-content: space-between;
  }
  .menu-toggle {
    display: flex;
    align-items: center;
    gap: 16px;
    min-height: 44px;
    min-width: 85px;
    justify-content: space-between;
    border: 1px solid currentColor;
    background: transparent;
    color: inherit;
    padding: 8px 12px;
    font-size: 15px;
  }
  .site-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--accent);
    color: #fff;
    padding: 12px 24px;
    grid-template-columns: repeat(2, 1fr);
    gap: 0 20px;
  }
  .site-nav.open {
    display: grid;
  }
  .site-nav > a {
    padding: 14px 0;
    min-height: 48px;
    font-size: 16px;
  }
  .site-nav > a[aria-current]::after {
    bottom: 8px;
    right: 50%;
  }

  .theme-essay .site-nav {
    background: #16324c;
  }
  .theme-essay .site-nav > a {
    padding: 14px 0;
  }
  .theme-essay .site-nav > a[aria-current] {
    color: #fff;
  }

  .theme-essay .brand-row {
    min-height: 78px;
  }
  .theme-essay .brand img {
    width: 300px;
  }
  .essay-themes {
    gap: 24px;
  }
  .essay-themes h3 {
    font-size: 24px;
  }
  .essay-scopes article {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .essay-calendar {
    gap: 28px;
  }
  .theme-english .brand-row {
    min-height: 78px;
  }
  .theme-english .site-nav > a[aria-current] {
    color: #fff;
  }
  .english-section-intro {
    display: block;
    margin-bottom: 20px;
  }
  .english-section-intro .section-head {
    margin-bottom: 16px;
  }
  .theme-ai .brand span {
    display: block;
    max-width: 180px;
  }
  .theme-ai .brand img {
    width: 92px;
  }
  .preparation {
    grid-template-columns: 1fr;
  }

  .ability-grid {
    gap: 24px;
  }
  .archive-grid {
    display: block;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  .footer-grid nav {
    justify-content: flex-start;
  }
  .cta {
    gap: 30px;
  }
  .cta p {
    font-size: 17px;
  }
}
@media (max-width: 640px) {
  html {
    scroll-padding-top: 24px;
  }
  .container {
    width: calc(100% - 40px);
  }
  body {
    font-size: 16px;
    padding-bottom: 86px;
  }
  h1,
  h2 {
    font-size: 28px;
  }
  h3 {
    font-size: 22px;
  }
  .brand-row {
    gap: 14px;
  }
  .brand {
    gap: 10px;
    min-width: 0;
    flex-shrink: 1;
  }
  .theme-ai .brand img {
    width: 100px;
    max-height: 50px;
  }
  .theme-ai .brand span {
    font-size: 14px;
    max-width: 125px;
  }
  .theme-essay .brand img {
    width: 240px;
  }
  .theme-essay .brand-row {
    min-height: 78px;
  }
  .contact-pair {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
  .contact-pair .button {
    padding-inline: 10px;
    min-width: 0;
    font-size: 15px;
  }
  .contact-pair-hero {
    margin-top: 22px;
  }
  .ai-poster > .container {
    padding-top: 30px;
    padding-bottom: 250px;
    min-height: 0;
  }
  .ai-poster > img {
    inset: auto 0 0;
    height: 330px;
    object-position: center bottom;
    mask-image: linear-gradient(transparent, #000 24%);
  }
  .ai-poster h1 {
    font-size: 34px;
    letter-spacing: 0;
  }
  .ai-poster h1 > span {
    display: block;
  }
  .ai-poster h1 > span + span::before {
    content: "";
  }
  .ai-poster-slogan {
    font-size: 22px;
    margin-top: 14px;
  }
  .ai-poster-scope {
    font-size: 15px;
  }
  .ai-track {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 24px 0;
  }
  .ai-track h3 {
    font-size: 23px;
  }
  .ai-track > img {
    max-height: 210px;
  }
  .essay-poster > .container {
    padding-top: 30px;
    padding-bottom: 245px;
    min-height: 0;
  }
  .essay-poster > img {
    inset: auto 0 0;
    height: 310px;
    object-position: 75% 60%;
    mask-image: linear-gradient(transparent, #000 20%);
  }
  .essay-poster h1 {
    font-size: 36px;
  }
  .essay-poster-slogan {
    font-size: 21px;
    margin-top: 18px;
  }
  .essay-poster-season {
    font-size: 15px;
  }
  .essay-poster-deadline {
    margin-top: 20px;
  }
  .essay-poster-deadline .date {
    font-size: 28px;
  }
  .essay-themes,
  .essay-calendar {
    grid-template-columns: 1fr;
    gap: 26px;
  }
  .essay-themes h3 {
    margin-top: 14px;
  }
  .essay-scopes h3 {
    font-size: 23px;
  }
  .english-identity strong {
    font-size: 23px;
  }
  .english-identity span {
    font-size: 11px;
  }
  .english-poster > .container {
    padding-top: 30px;
    padding-bottom: 245px;
    min-height: 0;
  }
  .english-poster > img {
    inset: auto 0 0;
    height: 310px;
    object-position: 80% 65%;
  }
  .english-poster::before {
    background: linear-gradient(#26101d 0%, #26101d 53%, #26101d00 78%);
  }
  .english-poster h1 {
    font-size: 34px;
    line-height: 1.4;
  }
  .english-poster h1 > .english-edition {
    font-size: 19px;
    margin-bottom: 14px;
  }
  .english-poster-intro {
    font-size: 20px;
    margin-top: 16px;
  }
  .english-poster-scope {
    font-size: 14px;
  }
  .english-poster-actions {
    gap: 22px;
    margin-top: 22px;
  }
  .english-poster-actions .button {
    padding-inline: 20px;
  }
  .english-poster-actions .text-link {
    font-size: 15px;
    gap: 8px;
  }
  .english-poster-deadline {
    display: block;
    padding-top: 18px;
    margin-top: 22px;
  }
  .english-poster-deadline .date {
    font-size: 28px;
    margin-top: 5px;
  }
  .english-calendar article {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 24px 0;
  }
  .english-calendar-heading {
    gap: 20px;
  }
  .english-stage-number {
    font-size: 34px;
  }
  .english-calendar-heading h3 {
    font-size: 23px;
  }
  .english-calendar .date {
    font-size: 28px;
  }
  .menu-toggle {
    min-width: 73px;
    gap: 10px;
    padding: 8px 9px;
    font-size: 14px;
  }

  .section {
    padding: 34px 0;
  }
  .section-head {
    margin-bottom: 22px;
  }
  .section-head h2 {
    font-size: 28px;
    padding-bottom: 12px;
  }

  .overview-copy {
    font-size: 17px;
  }
  .org-list {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .org-list > div {
    display: grid;
    grid-template-columns: 80px minmax(0, 1fr);
    gap: 18px;
  }
  .org-list dt {
    font-size: 15px;
    margin: 0;
  }
  .org-list dd {
    font-size: 16px;
  }

  .preparation {
    gap: 28px;
  }
  .audiences article {
    padding: 24px;
  }
  .steps li {
    gap: 18px;
    padding: 20px 0;
  }
  .steps > li > strong {
    font-size: 26px;
  }
  .steps h3 {
    font-size: 21px;
  }
  .faq-list summary {
    font-size: 18px;
    line-height: 1.7;
  }

  .milestones article {
    padding: 20px 0;
  }
  .date {
    font-size: 28px;
  }
  .milestones h3 {
    font-size: 21px;
  }

  .ability-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 32px;
  }
  .ability-grid article > div {
    padding-bottom: 0;
  }
  .reading-panel {
    padding: 22px;
    margin-bottom: 22px;
  }
  .panel-head {
    padding-bottom: 18px;
    margin-bottom: 20px;
  }
  .panel-head h2 {
    font-size: 25px;
  }
  .panel-intro {
    font-size: 17px;
  }
  .spec-list > div {
    display: block;
    padding: 18px 0;
  }
  .spec-list dt {
    margin-bottom: 7px;
  }
  .subhero {
    padding: 24px 0;
  }
  .subhero h1 {
    font-size: 29px;
  }
  .breadcrumbs {
    font-size: 14px;
    margin-bottom: 20px;
  }
  .cta {
    display: block;
  }
  .cta h2 {
    font-size: 27px;
  }
  .cta > .button {
    margin-top: 23px;
    width: 100%;
  }
  .cta .contact-pair {
    margin-top: 23px;
  }
  footer {
    padding-top: 28px;
  }
  .footer-grid strong {
    font-size: 18px;
  }
  .footer-grid nav {
    gap: 14px 22px;
    font-size: 15px;
  }
  .source-credit {
    font-size: 13px;
  }
  .mobile-contact {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    padding: 12px 20px calc(12px + env(safe-area-inset-bottom));
    background: #fff;
    border-top: 1px solid var(--line);
    z-index: 40;
  }
  .mobile-contact > span {
    font-size: 14px;
    line-height: 1.5;
    max-width: 180px;
    font-weight: 700;
  }
  .mobile-contact .button {
    min-height: 50px;
    gap: 15px;
    padding: 12px 18px;
    flex-shrink: 0;
  }
  .mobile-contact.dual-contact {
    display: block;
  }
  .mobile-contact .contact-pair .button {
    padding-inline: 8px;
  }

  dialog {
    padding: 30px 25px;
  }
}
@media (max-width: 380px) {
  .theme-essay .brand img {
    width: 218px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}