/* Fifth-batch reading primitives; two independent event visual systems. */
:root {
  --ink: #193d35;
  --muted: #52665d;
  --accent: #237157;
  --deep: #183f36;
  --paper: #f2f3e9;
  --line: #c8d2c5;
  --gold: #d5ad60;
  --white: #fff;
  color-scheme: light;
}
* {
  box-sizing: border-box;
}
html {
  scroll-padding-top: 110px;
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font:
    17px/1.85 "Microsoft YaHei",
    "PingFang SC",
    sans-serif;
  text-wrap: pretty;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  cursor: pointer;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
h1,
h2,
h3,
p,
figure {
  margin: 0;
}
h1,
h2 {
  font-family: "STSong", "SimSun", serif;
  font-weight: 700;
  line-height: 1.4;
}
h1 {
  font-size: 58px;
  letter-spacing: 1px;
}
h2 {
  font-size: 36px;
}
h3 {
  font-size: 23px;
  line-height: 1.5;
}
small {
  font-size: 14px;
}
.container {
  width: min(1240px, calc(100% - 80px));
  margin-inline: auto;
}
.title-line {
  display: block;
}
.phrase {
  display: inline-block;
}
.anchor-mark {
  display: block;
  height: 0;
  scroll-margin-top: 110px;
}
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 5px;
}
.skip-link {
  position: fixed;
  top: -100px;
  left: 12px;
  background: #fff;
  padding: 12px;
  z-index: 100;
}
.skip-link:focus {
  top: 8px;
}
.eyebrow {
  font-size: 14px;
  color: var(--accent);
  letter-spacing: 1.4px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.eyebrow:before {
  content: "";
  width: 28px;
  height: 2px;
  background: currentColor;
  flex-shrink: 0;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  min-height: 56px;
  padding: 12px 24px;
  background: var(--accent);
  border: 1px solid var(--accent);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  transition:
    filter 0.18s,
    transform 0.18s;
  white-space: nowrap;
}
.button:hover {
  filter: brightness(0.9);
  transform: translateY(-2px);
}
.button.secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  min-height: 44px;
  color: var(--accent);
  border-bottom: 1px solid currentColor;
  font-size: 16px;
  font-weight: 700;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}
.header-row {
  min-height: 88px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-right: auto;
  flex-shrink: 0;
}
.brand img {
  width: 66px;
  height: 60px;
  object-fit: contain;
}
.brand strong {
  display: block;
  font-size: 19px;
  line-height: 1.5;
}
.brand small {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-top: 5px;
}
.site-nav {
  display: flex;
  gap: 23px;
  font-size: 15px;
  font-weight: 700;
}
.site-nav a {
  min-height: 44px;
  display: flex;
  align-items: center;
  position: relative;
}
.site-nav a[aria-current]:after {
  content: "";
  height: 2px;
  background: var(--accent);
  position: absolute;
  bottom: 1px;
  left: 0;
  right: 0;
}
.header-contact .button {
  min-height: 48px;
  padding: 10px 20px;
  font-size: 15px;
  gap: 18px;
}
.menu-toggle {
  display: none;
}
.hero {
  position: relative;
  isolation: isolate;
  min-height: 660px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--paper);
}
.hero > picture {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-shade {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(
    90deg,
    rgba(247, 243, 229, 0.82),
    rgba(247, 243, 229, 0.62) 35%,
    rgba(247, 243, 229, 0) 65%
  );
}
.hero-content {
  padding-top: 54px;
  padding-bottom: 100px;
}
.hero h1 {
  max-width: 760px;
  font-size: 58px;
}
.hero-slogan {
  font-size: 28px;
  font-family: "STSong", "SimSun", serif;
  font-weight: 700;
  margin: 24px 0 16px;
}
.hero-intro {
  max-width: 600px;
  font-size: 18px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 30px;
}
.hero-footer {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid color-mix(in srgb, var(--ink) 30%, transparent);
  font-size: 14px;
  padding: 18px 0;
}
.fact-band {
  border-bottom: 3px solid var(--accent);
  background: var(--white);
}
.fact-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.fact-grid > div {
  padding: 23px 20px;
  border-right: 1px solid var(--line);
}
.fact-grid > div:first-child {
  border-left: 1px solid var(--line);
}
.fact-grid small {
  display: flex;
  gap: 14px;
  align-items: center;
  color: var(--muted);
}
.fact-grid small b {
  color: var(--accent);
  font-size: 12px;
}
.fact-grid strong {
  display: block;
  margin-top: 10px;
  font-size: var(--fact-font, 21px);
  line-height: 1.55;
}
.fact-date {
  --fact-font: 28px;
}
.section {
  position: relative;
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 88px;
}
.section-head {
  margin-bottom: 28px;
}
.section-head.with-link {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
}
.section-head .text-link {
  flex-shrink: 0;
}
.paper {
  background: var(--paper);
  border-top: 2px solid var(--line);
}
.deep {
  background: var(--deep);
  color: var(--white);
  border-top: 3px solid var(--gold);
  border-bottom: 3px solid var(--accent);
}
.deep .eyebrow,
.deep .topic-kicker,
.deep .text-link,
.deep .date {
  color: var(--gold);
}
.overview-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 52px;
}
.overview-copy {
  font-size: 20px;
  line-height: 1.9;
}
.organization-list {
  margin: 24px 0 0;
  border-top: 1px solid var(--line);
}
.organization-list > div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 20px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}
dt {
  color: var(--muted);
  font-size: 15px;
}
dd {
  margin: 0;
  font-weight: 600;
}
.topic-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}
.topic-card {
  min-width: 0;
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(255, 255, 255, 0.22);
}
.topic-media {
  display: block;
  aspect-ratio: 3/2;
  min-width: 0;
  overflow: hidden;
}
.topic-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.topic-copy {
  padding: 25px 28px 28px;
}
.topic-kicker {
  display: block;
  color: var(--accent);
  font-size: 14px;
  letter-spacing: 0.8px;
  margin-bottom: 10px;
}
.topic-copy h3 {
  display: flex;
  align-items: baseline;
  gap: 15px;
  margin-bottom: 12px;
}
.topic-copy h3 small {
  font-size: 14px;
  color: var(--gold);
}
.topic-copy p {
  margin-bottom: 14px;
}
.theme-art .topic-card:first-child {
  grid-column: 1/-1;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
}
.theme-art .topic-card:first-child .topic-copy {
  align-self: center;
  padding: 35px;
}
.participation-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: end;
  gap: 40px;
  margin-bottom: 28px;
}
.participation-head .section-head {
  margin: 0;
}
.group-list {
  border: 1px solid var(--line);
  background: var(--white);
}
.group-list > div {
  display: grid;
  grid-template-columns: 40px minmax(150px, 1fr) 1.2fr;
  align-items: baseline;
  gap: 18px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--line);
}
.group-list > div:last-child {
  border-bottom: 0;
}
.group-list b {
  color: var(--accent);
  font-size: 14px;
}
.group-list h3 {
  font-size: 20px;
}
.group-list p {
  color: var(--muted);
}
.preparation-row {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 48px;
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.preparation-row h3 {
  margin-bottom: 14px;
}
.preparation-row .text-link {
  margin-top: 16px;
}
.bullets {
  margin: 14px 0 0;
  padding-left: 22px;
}
.bullets li {
  padding-left: 4px;
  margin: 8px 0;
}
.bullets li::marker {
  color: var(--accent);
}
.honor-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}
.honor-grid article {
  padding: 25px 28px 0 0;
}
.honor-grid article + article {
  border-left: 1px solid var(--line);
  padding-left: 28px;
}
.honor-grid small {
  color: var(--accent);
  font-weight: 700;
}
.honor-grid h3 {
  margin: 16px 0 10px;
  font-size: 22px;
}
.milestones {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.25);
}
.milestones article {
  padding-top: 28px;
}
.date {
  display: block;
  font-size: 32px;
  line-height: 1.45;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}
.date .title-line {
  display: inline-block;
}
.milestones h3 {
  font-size: 22px;
  margin: 20px 0 12px;
}
.milestones p {
  color: #f2ede4;
}
.faq-list {
  border-top: 1px solid var(--line);
}
details {
  border-bottom: 1px solid var(--line);
  padding: 0;
}
summary {
  cursor: pointer;
  padding: 21px 38px 21px 0;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.6;
  list-style: none;
  position: relative;
}
summary::-webkit-details-marker {
  display: none;
}
summary:after {
  content: "＋";
  position: absolute;
  right: 0;
  top: 20px;
  color: var(--accent);
}
details[open] summary:after {
  content: "−";
}
details > p {
  padding: 0 35px 24px 0;
  max-width: 940px;
}
.section-action {
  margin-top: 24px;
}
.document-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}
.document-sheet {
  background: #fff;
  border: 1px solid var(--line);
  padding: 14px;
  max-width: 560px;
}
.document-sheet img {
  width: 100%;
  height: auto;
}
.file-meta {
  margin-top: 24px;
}
.file-meta > div {
  border-top: 1px solid var(--line);
  padding: 17px 0;
}
.file-meta dt {
  margin-bottom: 8px;
}
.inner-hero {
  background: var(--deep);
  color: var(--white);
  padding: 38px 0 44px;
  border-bottom: 3px solid var(--gold);
  position: relative;
  isolation: isolate;
}
.inner-hero:before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, var(--deep), transparent),
    url("hero.webp") right 50% / cover;
  opacity: 0.28;
}
.inner-hero h1 {
  font-size: 46px;
  margin-bottom: 18px;
}
.inner-hero .eyebrow {
  color: var(--gold);
}
.inner-hero p:last-child {
  max-width: 860px;
}
.breadcrumb {
  display: flex;
  gap: 12px;
  color: #eee7da;
  font-size: 14px;
  margin-bottom: 22px;
}
.breadcrumb a {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
}
.content-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 255px;
  gap: 36px;
  align-items: start;
}
.content-main {
  min-width: 0;
}
.info-block {
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  background: var(--white);
  padding: 28px 30px;
  margin-bottom: 24px;
  scroll-margin-top: 115px;
}
.info-block h2 {
  font-size: 30px;
  margin-bottom: 24px;
}
.info-block > p {
  margin-top: 20px;
}
.info-block .group-list > div {
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 4px 12px;
  padding: 18px;
}
.info-block .group-list p {
  grid-column: 2;
}
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.steps li {
  display: grid;
  grid-template-columns: 50px 1fr;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}
.steps b {
  font-size: 32px;
  color: var(--accent);
  line-height: 1.4;
}
.steps h3 {
  font-size: 21px;
  margin-bottom: 8px;
}
.aside {
  position: sticky;
  top: 115px;
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  padding: 24px;
}
.aside > strong {
  font-size: 20px;
  display: block;
}
.aside > p {
  font-size: 14px;
  margin: 8px 0 18px;
  color: var(--muted);
}
.aside nav {
  margin-bottom: 24px;
}
.aside nav a {
  display: flex;
  align-items: center;
  min-height: 52px;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
}
.aside .button {
  width: 100%;
  padding-inline: 10px;
  gap: 15px;
}
.important {
  background: var(--paper);
  border-left: 3px solid var(--accent);
  padding: 16px 20px;
}
.project-index {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  margin-bottom: 30px;
}
.project-index a {
  display: flex;
  align-items: center;
  min-height: 48px;
  border-bottom: 1px solid var(--line);
  font-size: 17px;
  font-weight: 700;
}
.project-detail {
  display: grid;
  grid-template-columns: 0.85fr 1.3fr;
  gap: 34px;
  padding: 30px;
}
.project-detail h2 {
  margin-bottom: 15px;
}
.project-detail .topic-media {
  aspect-ratio: 1/1;
}
.project-detail .topic-media img {
  object-fit: cover;
}
.requirements-list .bullets {
  margin: 0;
}
.full-timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--line);
}
.full-timeline li {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) 1.3fr;
  gap: 60px;
  padding: 36px 0;
  border-bottom: 1px solid var(--line);
}
.full-timeline h2 {
  font-size: 28px;
  margin-bottom: 12px;
}
.full-timeline .date {
  color: var(--accent);
}
.cta {
  background: var(--deep);
  color: #fff;
}
.cta .eyebrow {
  color: var(--gold);
}
.cta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.cta-row p {
  margin-top: 12px;
}
.cta-row .button {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--deep);
}
footer {
  padding: 32px 0;
  background: var(--white);
  font-size: 14px;
}
.footer-row {
  display: flex;
  gap: 35px;
  justify-content: space-between;
}
.footer-row > div {
  max-width: 65%;
}
.footer-row p {
  margin-top: 8px;
  color: var(--muted);
}
.footer-row nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
  max-width: 250px;
}
.footer-row nav a {
  min-height: 36px;
}
.mobile-contact {
  display: none;
}
.theme-recital {
  --ink: #392c2c;
  --muted: #6a5b58;
  --accent: #7d2730;
  --deep: #3b1922;
  --paper: #f7f1e7;
  --line: #d5c5b5;
  --gold: #d7b67a;
}
.theme-recital .brand img {
  width: 60px;
}
.theme-recital .hero {
  background: var(--deep);
  color: #fff;
  min-height: 710px;
}
.theme-recital .hero-shade {
  background: linear-gradient(
    90deg,
    rgba(43, 12, 23, 0.9),
    rgba(43, 12, 23, 0.4) 48%,
    transparent 76%
  );
}
.theme-recital .hero h1 {
  font-size: 86px;
  letter-spacing: 10px;
}
.theme-recital .hero-content {
  padding-top: 40px;
  padding-bottom: 95px;
}
.theme-recital .hero-event-name {
  font-size: 27px;
  font-family: "STSong", "SimSun", serif;
  line-height: 1.65;
  margin-top: 12px;
}
.theme-recital .hero-slogan {
  color: var(--gold);
  font-size: 23px;
  line-height: 1.7;
  margin-top: 22px;
}
.theme-recital .hero-slogan .title-line {
  display: inline-block;
  margin-right: 18px;
}
.theme-recital .hero .eyebrow {
  color: var(--gold);
}
.theme-recital .hero .secondary {
  color: #fff;
  border-color: #d5c5b5;
}
.theme-recital .hero-footer {
  border-color: rgba(255, 255, 255, 0.3);
}
.theme-recital .fact-grid > div:nth-child(3) {
  background: var(--paper);
}
.theme-recital .topic-grid {
  grid-template-columns: 1fr;
}
.theme-recital .topic-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
}
.theme-recital .topic-card:nth-child(2) .topic-media {
  order: 2;
}
.theme-recital .topic-copy {
  padding: 36px 40px;
}
.theme-recital .topic-copy h3 {
  font-family: "STSong", "SimSun", serif;
  font-size: 32px;
}
.theme-recital .document-sheet {
  border: 8px solid #fff;
  outline: 1px solid var(--line);
  padding: 0;
}
.theme-recital .brand {
  gap: 16px;
}
@media (min-width: 1600px) {
  .hero {
    min-height: 720px;
  }
  .theme-recital .hero {
    min-height: 740px;
  }
}
@media (max-width: 1200px) {
  .header-row {
    gap: 18px;
  }
  .site-nav {
    gap: 16px;
    font-size: 14px;
  }
  .header-contact {
    display: none;
  }
  .brand strong {
    font-size: 18px;
  }
  .hero h1 {
    font-size: 52px;
  }
  .topic-copy {
    padding: 24px;
  }
  .document-grid {
    gap: 40px;
  }
  .content-layout {
    grid-template-columns: minmax(0, 1fr) 230px;
    gap: 24px;
  }
  .milestones .date {
    font-size: 29px;
  }
  .milestones {
    gap: 22px;
  }
}
@media (max-width: 1000px) {
  .container {
    width: calc(100% - 48px);
  }
  .brand small {
    font-size: 12px;
  }
  .site-nav {
    gap: 12px;
  }
  .brand img {
    width: 52px;
    height: 50px;
  }
  .header-row {
    gap: 14px;
    min-height: 80px;
  }
  .brand strong {
    font-size: 17px;
  }
  .overview-grid {
    grid-template-columns: 1fr 2fr;
    gap: 30px;
  }
  .hero {
    min-height: 620px;
  }
  .hero h1 {
    font-size: 48px;
  }
  .hero-intro {
    max-width: 460px;
  }
  .hero-slogan {
    font-size: 25px;
  }
  .theme-recital .hero h1 {
    font-size: 72px;
  }
  .theme-recital .hero {
    min-height: 680px;
  }
  .content-layout {
    grid-template-columns: 1fr;
  }
  .aside {
    position: static;
    display: none;
  }
  .theme-art .topic-card:first-child {
    display: block;
    grid-column: auto;
  }
  .topic-copy h3 {
    font-size: 22px;
  }
  .topic-grid {
    gap: 22px;
  }
  .fact-grid > div {
    padding: 20px 14px;
  }
  .fact-grid strong {
    font-size: var(--fact-font, 19px);
  }
  .honor-grid article {
    padding-right: 20px;
  }
  .honor-grid article + article {
    padding-left: 20px;
  }
  .honor-grid h3 {
    font-size: 20px;
  }
  .theme-recital .topic-copy {
    padding: 28px;
  }
  .participation-head {
    gap: 24px;
  }
  .full-timeline li {
    gap: 32px;
  }
  .date {
    font-size: 30px;
  }
  .theme-art .topic-card:last-child {
    grid-column: 1/-1;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .theme-art .topic-card:last-child .topic-copy {
    align-self: center;
  }
}
@media (max-width: 800px) {
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: 12px 24px 22px;
    background: var(--white);
    border-bottom: 2px solid var(--accent);
    box-shadow: 0 10px 20px #0001;
    flex-direction: column;
    gap: 0;
  }
  .site-nav.open {
    display: flex;
  }
  .site-nav a {
    font-size: 17px;
    padding: 8px 0;
    min-height: 48px;
  }
  .site-nav a[aria-current]:after {
    width: 38px;
    bottom: 3px;
  }
  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    min-height: 44px;
    background: transparent;
    border: 1px solid var(--line);
    padding: 8px 12px;
    font-size: 16px;
    color: var(--ink);
  }
  .menu-toggle span {
    font-size: 20px;
  }
  .hero h1 {
    font-size: 43px;
  }
  .hero-intro {
    font-size: 17px;
    max-width: 420px;
  }
  .hero-footer {
    font-size: 13px;
  }
  .overview-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .overview-copy {
    font-size: 18px;
  }
  .overview-grid .section-head {
    margin-bottom: 22px;
  }
  .preparation-row {
    gap: 30px;
  }
  .participation-head {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .milestones {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .milestones article {
    padding: 24px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.25);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 24px;
  }
  .milestones h3 {
    margin: 0;
  }
  .milestones p {
    grid-column: 2;
  }
  .milestones .date {
    grid-row: 1/3;
  }
  .document-grid {
    gap: 32px;
  }
  .document-grid h2 {
    font-size: 30px;
  }
  .theme-recital .topic-copy {
    padding: 24px;
  }
  .theme-recital .topic-copy h3 {
    font-size: 28px;
  }
  .project-detail {
    gap: 26px;
    grid-template-columns: 0.8fr 1.3fr;
    padding: 26px;
  }
  .project-detail h2 {
    font-size: 28px;
  }
  .hero .eyebrow {
    font-size: 13px;
  }
  .theme-recital .hero-event-name {
    font-size: 25px;
  }
  .theme-recital .hero-slogan {
    font-size: 22px;
  }
  .theme-recital .hero h1 {
    font-size: 64px;
  }
}
@media (max-width: 640px) {
  body {
    font-size: 16px;
  }
  .container {
    width: calc(100% - 40px);
  }
  h1 {
    font-size: 34px;
  }
  h2 {
    font-size: 28px;
  }
  h3 {
    font-size: 21px;
  }
  .section {
    padding: 36px 0;
    scroll-margin-top: 76px;
  }
  .header-row {
    min-height: 76px;
    gap: 8px;
  }
  .brand {
    gap: 8px;
    min-width: 0;
    flex-shrink: 1;
  }
  .brand img {
    width: 43px;
    height: 44px;
  }
  .brand strong {
    font-size: 16px;
  }
  .brand small {
    font-size: 11px;
    line-height: 1.5;
    letter-spacing: 0;
  }
  .menu-toggle {
    gap: 10px;
    min-width: 72px;
    padding: 7px 9px;
    font-size: 15px;
  }
  .theme-recital .brand {
    gap: 8px;
  }
  .theme-recital .brand img {
    width: 46px;
    height: 44px;
  }
  .hero,
  .theme-recital .hero {
    display: flex;
    min-height: 0;
    justify-content: start;
    padding: 0;
    background: var(--paper);
    color: var(--ink);
  }
  .hero > picture {
    position: relative;
    inset: auto;
    order: 2;
    z-index: 0;
    height: 260px;
    display: block;
  }
  .hero-image {
    height: 260px;
    object-position: center;
  }
  .hero-shade {
    display: none;
  }
  .hero-content,
  .theme-recital .hero-content {
    padding: 30px 0 26px;
    order: 1;
  }
  .hero h1 {
    font-size: 34px;
    letter-spacing: 0;
    line-height: 1.48;
    max-width: none;
  }
  .hero .eyebrow {
    font-size: 12px;
    letter-spacing: 0.4px;
    gap: 8px;
    margin-bottom: 15px;
  }
  .hero .eyebrow:before {
    width: 18px;
  }
  .hero-slogan {
    font-size: 24px;
    margin: 18px 0 10px;
  }
  .hero-intro {
    font-size: 16px;
    max-width: none;
    line-height: 1.8;
  }
  .hero-actions {
    gap: 12px;
    margin-top: 22px;
    flex-wrap: wrap;
  }
  .button {
    padding: 12px 19px;
    gap: 20px;
    min-height: 56px;
  }
  .hero-actions .button {
    flex: 1;
    gap: 10px;
    padding: 12px 10px;
  }
  .hero-footer {
    position: static;
    order: 3;
    font-size: 13px;
    padding: 15px 0;
    gap: 10px;
    flex-wrap: wrap;
    border-color: var(--line);
  }
  .hero-footer span:last-child {
    display: none;
  }
  .theme-recital .hero {
    background: var(--deep);
    color: #fff;
  }
  .theme-recital .hero .eyebrow {
    color: var(--gold);
  }
  .theme-recital .hero h1 {
    font-size: 48px;
    letter-spacing: 6px;
  }
  .theme-recital .hero-event-name {
    font-size: 23px;
    line-height: 1.55;
    margin-top: 9px;
  }
  .theme-recital .hero-slogan {
    font-size: 19px;
    margin: 18px 0 12px;
  }
  .theme-recital .hero-slogan .title-line {
    display: block;
    margin: 0;
  }
  .theme-recital .hero-footer {
    border-color: #ffffff40;
  }
  .theme-recital .hero > picture {
    height: 230px;
  }
  .theme-recital .hero-image {
    height: 230px;
  }
  .fact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .fact-grid > div {
    padding: 17px 14px;
    border-bottom: 1px solid var(--line);
  }
  .fact-grid > div:nth-child(3) {
    border-left: 1px solid var(--line);
  }
  .fact-grid small {
    gap: 8px;
    font-size: 12px;
  }
  .fact-grid strong {
    font-size: var(--fact-font, 18px);
    margin-top: 8px;
  }
  .section-head {
    margin-bottom: 24px;
  }
  .section-head.with-link {
    align-items: start;
    flex-direction: column;
    gap: 16px;
  }
  .section-head.with-link .text-link {
    min-height: 36px;
  }
  .eyebrow {
    font-size: 13px;
    margin-bottom: 10px;
  }
  .overview-copy {
    font-size: 17px;
  }
  .organization-list > div {
    grid-template-columns: 85px 1fr;
    gap: 15px;
  }
  .organization-list dd {
    font-size: 16px;
  }
  .topic-grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .theme-art .topic-card:first-child,
  .theme-art .topic-card:last-child {
    display: block;
    grid-column: auto;
  }
  .theme-art .topic-card:first-child .topic-copy,
  .topic-copy {
    padding: 23px;
  }
  .topic-copy h3 {
    font-size: 23px;
  }
  .topic-kicker {
    font-size: 13px;
  }
  .topic-copy p {
    font-size: 16px;
  }
  .topic-media {
    aspect-ratio: 3/2;
  }
  .theme-recital .topic-card {
    display: flex;
    flex-direction: column;
  }
  .theme-recital .topic-card:nth-child(2) .topic-media {
    order: 0;
  }
  .theme-recital .topic-card .topic-media {
    width: 100%;
  }
  .theme-recital .topic-copy {
    padding: 23px;
  }
  .theme-recital .topic-copy h3 {
    font-size: 29px;
  }
  .group-list > div {
    grid-template-columns: 28px 1fr;
    gap: 3px 10px;
    padding: 18px;
  }
  .group-list p {
    grid-column: 2;
  }
  .group-list h3 {
    font-size: 19px;
  }
  .preparation-row {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 26px;
    padding-top: 24px;
  }
  .preparation-row > div + div {
    padding-top: 24px;
    border-top: 1px solid var(--line);
  }
  .honor-grid {
    grid-template-columns: 1fr;
  }
  .honor-grid article,
  .honor-grid article + article {
    padding: 23px 0;
    border-left: 0;
    border-bottom: 1px solid var(--line);
  }
  .honor-grid h3 {
    font-size: 22px;
    margin: 10px 0;
  }
  .milestones article {
    display: block;
    padding: 24px 0;
  }
  .milestones h3 {
    font-size: 21px;
    margin: 14px 0 9px;
  }
  .date,
  .milestones .date {
    font-size: 28px;
  }
  .date .title-line {
    display: block;
  }
  .document-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .document-sheet {
    max-width: none;
  }
  .document-grid > div {
    order: -1;
  }
  .document-grid h2 {
    font-size: 28px;
  }
  .document-grid h2 .title-line {
    display: inline-block;
  }
  .document-grid h2 .title-line + .title-line {
    margin-left: 0.3em;
  }
  .file-meta {
    margin-top: 20px;
  }
  .file-meta > div {
    padding: 14px 0;
  }
  .file-meta dt {
    font-size: 14px;
  }
  .inner-hero {
    padding: 24px 0 30px;
  }
  .inner-hero h1 {
    font-size: 34px;
    line-height: 1.5;
    margin-bottom: 16px;
  }
  .inner-hero .eyebrow {
    font-size: 12px;
  }
  .breadcrumb {
    margin-bottom: 18px;
    font-size: 13px;
  }
  .info-block {
    padding: 23px 20px;
    margin-bottom: 20px;
    scroll-margin-top: 100px;
  }
  .info-block h2 {
    font-size: 27px;
    margin-bottom: 20px;
  }
  .content-layout {
    gap: 0;
  }
  .info-block .group-list > div {
    padding: 16px 14px;
  }
  .info-block .group-list h3 {
    font-size: 18px;
  }
  .steps li {
    grid-template-columns: 34px 1fr;
    gap: 14px;
    padding: 22px 0;
  }
  .steps b {
    font-size: 28px;
  }
  .steps h3 {
    font-size: 20px;
  }
  .project-index {
    gap: 8px 20px;
    margin-bottom: 24px;
  }
  .project-index a {
    font-size: 16px;
  }
  .project-detail {
    display: block;
    padding: 0;
  }
  .project-detail .topic-media {
    aspect-ratio: 3/2;
  }
  .project-detail > div + div {
    padding: 24px 20px;
  }
  .project-detail .eyebrow {
    font-size: 12px;
  }
  .full-timeline li {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 26px 0;
  }
  .full-timeline h2 {
    font-size: 25px;
  }
  .cta-row {
    align-items: start;
    flex-direction: column;
    gap: 22px;
  }
  .cta-row h2 {
    font-size: 27px;
  }
  .cta-row > .button {
    min-width: 170px;
  }
  summary {
    font-size: 18px;
    padding: 20px 32px 20px 0;
  }
  details > p {
    padding-right: 10px;
  }
  .footer-row {
    display: block;
  }
  .footer-row > div {
    max-width: none;
  }
  .footer-row nav {
    max-width: none;
    margin-top: 20px;
    gap: 8px 20px;
  }
  footer {
    padding: 28px 0 118px;
  }
  .mobile-contact {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white);
    border-top: 1px solid var(--line);
    box-shadow: 0 -5px 20px #00000010;
    z-index: 40;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 10px 20px calc(10px + env(safe-area-inset-bottom));
  }
  .mobile-contact p {
    font-size: 11px;
    line-height: 1.5;
  }
  .mobile-contact strong {
    display: block;
    font-size: 15px;
    margin-top: 3px;
  }
  .mobile-contact .button {
    min-height: 56px;
    padding: 12px 18px;
    gap: 16px;
  }
  .important {
    padding: 15px 17px;
  }
  .theme-recital .fact-grid > div:nth-child(3) {
    background: var(--paper);
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    transition: none !important;
    animation: none !important;
  }
}