:root {
  --color-snow: #F7F9FC;
  --color-paper: #F5EFE6;
  --color-ink: #2B2A25;
  --color-blue: #0A3D62;
  --color-orange: #FF6B35;
  --color-lime: #C6FF00;
  --color-red: #C1272D;
  --color-yellow: #F2C500;
  --color-sky: #00A0E9;
  --color-green: #009B77;
  --font-sans: "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-serif: "Source Han Serif SC", "Songti SC", SimSun, serif;
  --container: 1240px;
  --container-narrow: 920px;
  --space-1: .25rem;
  --space-2: .5rem;
  --space-3: .75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --edge: rgba(43,42,37,.16);
  --shadow: 8px 8px 0 rgba(10,61,98,.12);
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.75;
  background: var(--color-snow);
  color: var(--color-ink);
}

body, h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd {
  margin: 0;
}

img, picture, svg {
  max-width: 100%;
  display: block;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.16;
  color: var(--color-blue);
  margin-bottom: .5em;
}

a {
  color: var(--color-sky);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--color-orange);
}

ul, ol {
  margin: 0 0 1.25em;
  padding-left: 1.25em;
}

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

address {
  font-style: normal;
}

::selection {
  background: var(--color-lime);
  color: var(--color-blue);
}

main {
  display: block;
}

#main-content {
  min-height: 70vh;
  scroll-margin-top: 1.5rem;
}

.sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: .5rem;
  left: .5rem;
  z-index: 200;
  display: inline-block;
  padding: .75rem 1.1rem;
  background: var(--color-blue);
  color: var(--color-snow);
  border-radius: 2px;
  font-weight: 800;
  text-decoration: none;
  transform: translateY(calc(-100% - 1rem));
  transition: transform 160ms ease;
}

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

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

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  z-index: 120;
  background: linear-gradient(90deg, var(--color-orange) 0 20%, var(--color-lime) 100%);
  pointer-events: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: var(--color-snow);
  box-shadow: 0 1px 0 rgba(43,42,37,.08);
}

.site-header::before {
  content: "";
  display: block;
  height: 4px;
  background: linear-gradient(90deg, var(--color-red), var(--color-yellow), var(--color-green), var(--color-sky));
}

.header-meta {
  background: rgba(10,61,98,.04);
  border-bottom: 1px solid var(--edge);
}

.header-meta-inner {
  max-width: var(--container);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .375rem 1.25rem;
}

.header-meta-note {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin: 0;
  font-family: var(--font-serif);
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--color-blue);
}

.live-dot {
  display: inline-block;
  width: .5em;
  height: .5em;
  border-radius: 50%;
  background: var(--color-lime);
  box-shadow: 0 0 0 0 rgba(198,255,0,.5);
  animation: live-pulse 2s infinite;
}

@keyframes live-pulse {
  0% { box-shadow: 0 0 0 0 rgba(198,255,0,.55); }
  70% { box-shadow: 0 0 0 6px rgba(198,255,0,0); }
  100% { box-shadow: 0 0 0 0 rgba(198,255,0,0); }
}

.header-actions {
  display: flex;
  align-items: center;
  gap: .75rem;
}

.header-shell {
  max-width: var(--container);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .75rem 1.25rem;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  text-decoration: none;
  color: var(--color-blue);
}

.brand-mark {
  display: block;
  width: 40px;
  height: 42px;
  flex: none;
  background-color: var(--color-blue);
  background-image: linear-gradient(135deg, transparent 48%, var(--color-orange) 52%);
  background-repeat: no-repeat;
  background-position: bottom right;
  background-size: 58% 58%;
  clip-path: polygon(0% 100%, 0% 32%, 22% 32%, 50% 0%, 78% 32%, 100% 32%, 100% 100%);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-name {
  font-size: 1.375rem;
  font-weight: 900;
  letter-spacing: .04em;
  color: var(--color-blue);
}

.brand-sub {
  font-family: var(--font-serif);
  font-size: .625rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--color-blue);
  opacity: .72;
  margin-top: .1rem;
}

.brand-lockup:hover .brand-name {
  color: var(--color-orange);
}

.site-search {
  position: relative;
  display: block;
}

.site-search::before {
  content: "";
  position: absolute;
  left: .7rem;
  top: 50%;
  width: .72rem;
  height: .72rem;
  border: 1.5px solid var(--color-blue);
  border-radius: 50%;
  transform: translateY(-.7rem);
}

.site-search::after {
  content: "";
  position: absolute;
  left: 1.45rem;
  top: 50%;
  width: .35rem;
  height: .125rem;
  background: var(--color-blue);
  transform: rotate(45deg);
  transform-origin: left center;
}

.site-search-input {
  min-width: 220px;
  padding: .5rem .75rem .5rem 2.25rem;
  border: 1px solid var(--edge);
  border-radius: 2px;
  background: #fff;
  color: var(--color-ink);
  line-height: 1.4;
}

.site-search-input::placeholder {
  color: rgba(43,42,37,.55);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .55rem 1rem;
  border: 1px solid transparent;
  border-radius: 2px;
  background: transparent;
  color: var(--color-blue);
  font-weight: 800;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 180ms ease, color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: var(--color-blue);
  color: var(--color-snow);
}

.btn-primary:hover {
  background: var(--color-orange);
  color: var(--color-blue);
}

.btn-ghost {
  border-color: var(--color-blue);
  color: var(--color-blue);
  background: transparent;
}

.btn-ghost:hover {
  background: var(--color-lime);
  border-color: var(--color-lime);
  color: var(--color-blue);
}

.btn-download {
  background: var(--color-orange);
  color: var(--color-blue);
  box-shadow: 3px 3px 0 rgba(10,61,98,.25);
}

.btn-download:hover {
  background: var(--color-blue);
  color: var(--color-snow);
  box-shadow: 3px 3px 0 rgba(198,255,0,.35);
  transform: translate(-1px, -1px);
}

.btn-badge {
  display: inline-block;
  font-size: .625rem;
  line-height: 1;
  background: var(--color-blue);
  color: var(--color-lime);
  padding: .25rem .35rem;
  border-radius: 2px;
}

.btn-download:hover .btn-badge {
  background: var(--color-lime);
  color: var(--color-blue);
}

.site-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: .25rem;
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: nav-counter;
}

.nav-item {
  margin: 0;
  counter-increment: nav-counter;
}

.nav-link {
  display: inline-flex;
  align-items: baseline;
  gap: .4rem;
  padding: .5rem .65rem;
  color: var(--color-blue);
  text-decoration: none;
  font-weight: 800;
  line-height: 1.2;
  border-bottom: 2px solid transparent;
  transition: color 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.nav-link::before {
  content: "0" counter(nav-counter) ".";
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: .6875rem;
  color: var(--color-orange);
}

.nav-link:hover {
  color: var(--color-orange);
  background: rgba(10,61,98,.05);
  border-bottom-color: var(--color-lime);
}

.nav-link[aria-current="page"] {
  color: var(--color-blue);
  background: rgba(10,61,98,.06);
  border-bottom-color: var(--color-red);
}

.nav-link[aria-current="page"]::before {
  color: var(--color-red);
}

.nav-toggle {
  display: none;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: .25rem;
  background: transparent;
  border: 1px solid var(--edge);
  border-radius: 2px;
  cursor: pointer;
}

.nav-toggle-lines {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 20px;
}

.nav-line {
  display: block;
  height: 2px;
  background: var(--color-blue);
  transition: transform 180ms ease, opacity 180ms ease;
}

.nav-toggle.is-active .nav-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-active .nav-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-active .nav-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-footer {
  margin-top: clamp(3rem, 8vw, 6rem);
  background: var(--color-blue);
  color: rgba(247,249,252,.86);
}

.site-footer::before {
  content: "";
  display: block;
  height: 5px;
  background: linear-gradient(90deg, var(--color-red), var(--color-yellow), var(--color-green), var(--color-sky));
}

.footer-inner {
  max-width: var(--container);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  padding: clamp(2.5rem, 6vw, 4.5rem) 1.25rem 1.5rem;
}

.footer-brand-column, .footer-nav-column, .footer-contact-column {
  min-width: 0;
}

.brand-lockup--footer {
  color: var(--color-snow);
}

.brand-lockup--footer .brand-mark {
  background-color: var(--color-snow);
  background-image: linear-gradient(135deg, transparent 48%, var(--color-lime) 52%);
}

.brand-lockup--footer .brand-name {
  color: var(--color-snow);
}

.brand-lockup--footer .brand-sub {
  color: var(--color-lime);
  opacity: .9;
}

.footer-statement {
  margin: 1rem 0 0;
  max-width: 42em;
  font-family: var(--font-serif);
  font-size: .9375rem;
  color: rgba(247,249,252,.76);
}

.footer-heading {
  margin: 0 0 .75rem;
  font-family: var(--font-sans);
  font-size: .75rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--color-lime);
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .4rem;
}

.footer-links a {
  color: var(--color-snow);
  text-decoration: none;
  font-weight: 600;
}

.footer-links a:hover {
  color: var(--color-orange);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.footer-address {
  display: grid;
  gap: .5rem;
  font-family: var(--font-serif);
  font-size: .875rem;
  color: rgba(247,249,252,.8);
}

.footer-address a {
  color: var(--color-lime);
  text-decoration: none;
  font-weight: 700;
}

.footer-address a:hover {
  color: var(--color-orange);
  text-decoration: underline;
}

.footer-legal {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  border-top: 1px solid rgba(247,249,252,.22);
  padding-top: 1.25rem;
  font-size: .8125rem;
  color: rgba(247,249,252,.68);
}

.footer-copy {
  margin-right: auto;
}

.footer-legal a {
  color: var(--color-snow);
  text-decoration: none;
}

.footer-legal a:hover {
  color: var(--color-orange);
  text-decoration: underline;
}

.container {
  width: min(var(--container), 100% - 2rem);
  margin-inline: auto;
}

.container-narrow {
  width: min(var(--container-narrow), 100% - 2rem);
  margin-inline: auto;
}

.page-shell {
  padding-block: clamp(3rem, 8vw, 6rem);
}

.section {
  margin-block: clamp(2.5rem, 6vw, 5rem);
}

.grid {
  display: grid;
  gap: 1.5rem;
}

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

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.display-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.02;
  letter-spacing: -.02em;
  margin-bottom: .5rem;
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  margin-bottom: 2.25rem;
}

.section-head--split {
  flex-direction: row;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-serif);
  font-size: .8125rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-blue);
}

.section-label::before {
  content: "";
  width: 1.75rem;
  height: 2px;
  background: var(--color-orange);
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.875rem);
  line-height: 1.1;
  margin-bottom: .5rem;
  color: var(--color-blue);
}

.section-lede {
  max-width: 58ch;
  font-family: var(--font-serif);
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  color: rgba(43,42,37,.78);
}

.text-center {
  text-align: center;
}

.text-center .section-label {
  justify-content: center;
}

.text-muted {
  color: rgba(43,42,37,.66);
}

.text-lime {
  color: var(--color-lime);
}

.text-orange {
  color: var(--color-orange);
}

.paper-panel, .paper-stack {
  position: relative;
  background: var(--color-paper);
  border: 1px solid rgba(43,42,37,.14);
  box-shadow: var(--shadow);
  padding: clamp(1.25rem, 3vw, 2.5rem);
}

.paper-panel::before, .paper-stack::before {
  content: "";
  position: absolute;
  inset: .5rem;
  border: 1px solid rgba(10,61,98,.12);
  pointer-events: none;
}

.notice {
  border-left: 4px solid var(--color-orange);
  background: var(--color-paper);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  font-family: var(--font-serif);
}

.notice--info {
  border-left-color: var(--color-sky);
  background: rgba(0,160,233,.06);
}

.exhibition-tag {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-serif);
  font-size: .75rem;
  letter-spacing: .1em;
  color: var(--color-blue);
  background: var(--color-paper);
  border: 1px solid rgba(10,61,98,.2);
  padding: .25rem .6rem;
}

.exhibition-tag::before {
  content: "";
  width: .5rem;
  height: .5rem;
  background: var(--color-orange);
  transform: rotate(45deg);
}

.footnote {
  font-family: var(--font-serif);
  font-size: .875rem;
  color: rgba(43,42,37,.66);
  border-top: 1px solid var(--edge);
  padding-top: .75rem;
  margin-top: 2rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .15rem .5rem;
  background: rgba(10,61,98,.1);
  color: var(--color-blue);
  font-size: .75rem;
  font-weight: 800;
  border-left: 3px solid var(--color-blue);
  letter-spacing: .04em;
}

.tag--orange {
  background: rgba(255,107,53,.12);
  color: #73300F;
  border-left-color: var(--color-orange);
}

.tag--live {
  background: var(--color-blue);
  color: var(--color-lime);
  border-left-color: var(--color-lime);
}

.data-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--color-blue);
}

.data-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: .8rem 0;
  border-bottom: 1px solid rgba(43,42,37,.14);
  font-family: var(--font-serif);
}

.data-label {
  color: rgba(43,42,37,.72);
}

.data-value {
  margin-left: auto;
  color: var(--color-blue);
  font-weight: 800;
  text-align: right;
}

.data-value--hot {
  color: var(--color-red);
}

.data-value--live {
  color: var(--color-sky);
}

.stat-card {
  background: var(--color-snow);
  border-top: 4px solid var(--color-blue);
  padding: 1.25rem;
  box-shadow: 4px 4px 0 rgba(10,61,98,.08);
}

.stat-value {
  display: block;
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 900;
  line-height: 1.1;
  color: var(--color-blue);
}

.stat-label {
  display: block;
  margin-top: .25rem;
  font-family: var(--font-serif);
  font-size: .875rem;
  color: rgba(43,42,37,.72);
}

.media-frame {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(10,61,98,.08), rgba(0,160,233,.05));
  border: 1px solid rgba(10,61,98,.14);
}

.media-frame::before {
  content: "";
  display: block;
  padding-bottom: 66.7%;
}

.media-frame--wide::before {
  padding-bottom: 56.25%;
}

.media-frame--tall::before {
  padding-bottom: 120%;
}

.media-frame--square::before {
  padding-bottom: 100%;
}

.media-frame > img, .media-frame > .media-placeholder {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.media-frame > img {
  object-fit: cover;
}

.media-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  color: rgba(10,61,98,.55);
  background: linear-gradient(135deg, var(--color-paper), rgba(0,160,233,.07));
  padding: 1rem;
  text-align: center;
}

.exhibition-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  min-height: calc(100vh - 150px);
  padding-block: clamp(3rem, 7vw, 5rem);
}

.exhibition-hero .hero-copy {
  min-width: 0;
}

.hero-visual {
  position: relative;
  min-width: 0;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
  font-size: .875rem;
}

.breadcrumb li {
  display: flex;
  align-items: center;
  gap: .5rem;
}

.breadcrumb li + li::before {
  content: "/";
  color: var(--color-orange);
  font-weight: 800;
}

.breadcrumb a {
  color: var(--color-blue);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--color-orange);
}

.breadcrumb [aria-current="page"] {
  color: var(--color-ink);
}

.bg-snow {
  background: var(--color-snow);
}

.bg-paper {
  background: var(--color-paper);
}

.bg-blue {
  background: var(--color-blue);
  color: var(--color-snow);
}

.bg-blue h1, .bg-blue h2, .bg-blue h3, .bg-blue h4 {
  color: var(--color-snow);
}

.bg-blue .section-label, .bg-blue .section-title {
  color: var(--color-snow);
}

.bg-blue .section-label::before {
  background: var(--color-lime);
}

.bg-blue .section-lede {
  color: rgba(247,249,252,.82);
}

.bg-blue a {
  color: var(--color-lime);
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s ease, transform .7s ease;
}

.js [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

@media (max-width: 960px) {
  .header-meta-inner {
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: .5rem;
    padding: .5rem .75rem;
  }

  .header-meta-note {
    width: 100%;
  }

  .header-actions {
    width: 100%;
  }

  .site-search {
    flex: 1;
  }

  .site-search-input {
    width: 100%;
    min-width: 0;
  }

  .header-shell {
    flex-wrap: wrap;
    padding: .5rem .75rem;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: calc(100% + .5rem);
    left: .75rem;
    right: .75rem;
    z-index: 95;
    background: var(--color-snow);
    border: 1px solid rgba(10,61,98,.2);
    box-shadow: var(--shadow);
    max-height: calc(100vh - 7rem);
    max-height: calc(100dvh - 7rem);
    overflow: auto;
  }

  .site-nav[data-open] {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: .5rem;
  }

  .nav-item {
    border-bottom: 1px solid rgba(43,42,37,.08);
  }

  .nav-item:last-child {
    border-bottom: 0;
  }

  .nav-link {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    padding: .75rem .5rem;
    border-bottom: 0;
  }

  .nav-toggle {
    display: inline-flex;
  }
}

@media (max-width: 900px) {
  .grid-3, .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .exhibition-hero {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-legal {
    align-items: flex-start;
    flex-direction: column;
  }
}

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

  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }

  .js [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }

  .live-dot {
    animation: none;
  }
}