:root {
  --night: #0B1B2B;
  --paper: #F6F2E9;
  --tunnel: #07111C;
  --orange: #FF6B1A;
  --cyan: #2EE6C8;
  --grass: #6C9A76;
  --mist: #F4F7F8;
  --silver: #9AA9B5;
  --ink: #111820;
  --yellow: #FFD15C;
  --line: rgba(154, 169, 181, 0.26);
  --line-strong: rgba(154, 169, 181, 0.46);
  --glass: rgba(244, 247, 248, 0.06);
  --glass-strong: rgba(244, 247, 248, 0.11);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --gutter: clamp(18px, 2.4vw, 32px);
  --header-h: 86px;
  --font-serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "IBM Plex Mono", "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
}

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

html {
  scroll-behavior: smooth;
  background: var(--tunnel);
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--mist);
  background-color: var(--night);
  background-image:
    radial-gradient(circle at 88% 6%, rgba(255, 107, 26, 0.16), transparent 22rem),
    radial-gradient(circle at 8% 32%, rgba(46, 230, 200, 0.08), transparent 24rem),
    linear-gradient(180deg, #0B1B2B 0%, #07111C 100%);
  background-attachment: fixed;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

h1,
h2,
h3,
h4 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -0.022em;
}

ul,
ol {
  margin-top: 0;
}

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

img {
  height: auto;
}

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

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

button {
  color: inherit;
}

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

:where(a, button, [tabindex]):focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 16px;
  z-index: 200;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 18px;
  color: var(--ink);
  background: var(--yellow);
  border: 2px solid var(--orange);
  border-radius: 999px;
  font-weight: 800;
  transform: translateY(-150%);
  transition: transform 180ms ease;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  color: var(--mist);
  background: rgba(7, 17, 28, 0.91);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.site-header::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--orange) 20%, var(--cyan) 52%, transparent 84%);
  opacity: 0.72;
  pointer-events: none;
}

.header-rail {
  width: min(1460px, calc(100% - clamp(28px, 5vw, 64px)));
  min-height: var(--header-h);
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto minmax(28px, 1fr) auto minmax(0, auto);
  align-items: center;
  gap: clamp(12px, 2vw, 28px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  color: var(--mist);
  border-radius: 16px;
}

.brand-glyph {
  position: relative;
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  overflow: hidden;
  border: 1px solid rgba(244, 247, 248, 0.34);
  border-radius: 14px;
  background:
    linear-gradient(140deg, rgba(255, 107, 26, 0.24), rgba(46, 230, 200, 0.08) 58%, rgba(108, 154, 118, 0.08)),
    var(--tunnel);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
  transition: border-color 220ms ease, transform 220ms ease;
}

.brand-glyph::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 12px;
  width: 16px;
  height: 20px;
  border: 1.5px solid var(--orange);
  border-bottom: 0;
  border-radius: 12px 12px 0 0;
}

.brand-glyph::after {
  content: "";
  position: absolute;
  top: 13px;
  left: 20px;
  width: 2px;
  height: 18px;
  background: var(--cyan);
  opacity: 0.88;
}

.brand-glyph-line {
  position: absolute;
  right: 8px;
  bottom: 9px;
  left: 8px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--orange), var(--cyan));
}

.brand-copy {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.brand-name {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.2;
  white-space: nowrap;
}

.brand-sub {
  color: var(--silver);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.12em;
  line-height: 1.4;
  white-space: nowrap;
}

.brand:hover .brand-glyph {
  border-color: var(--cyan);
  transform: translateY(-1px);
}

.brand:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 5px;
  box-shadow: 0 0 0 5px rgba(46, 230, 200, 0.14);
}

.header-span {
  position: relative;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

.header-span-dot {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 5px rgba(46, 230, 200, 0.07);
  transform: translate(-50%, -50%);
}

.quick-entry {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 42px;
  padding: 9px 14px;
  color: var(--mist);
  background: rgba(255, 107, 26, 0.09);
  border: 1px solid rgba(255, 107, 26, 0.58);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
  transition: color 200ms ease, background-color 200ms ease, border-color 200ms ease;
}

.quick-entry-kicker {
  padding-right: 8px;
  color: var(--orange);
  border-right: 1px solid rgba(255, 107, 26, 0.4);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  transition: color 200ms ease, border-color 200ms ease;
}

.quick-entry-text {
  line-height: 1;
}

.quick-entry-arrow {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1;
  transition: color 200ms ease, transform 200ms ease;
}

.quick-entry:hover {
  color: var(--ink);
  background: var(--orange);
  border-color: var(--orange);
}

.quick-entry:hover .quick-entry-kicker {
  color: var(--ink);
  border-color: rgba(17, 24, 32, 0.3);
}

.quick-entry:hover .quick-entry-arrow {
  color: var(--ink);
  transform: translate(1px, -1px);
}

.quick-entry:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  box-shadow: 0 0 0 4px rgba(255, 107, 26, 0.3);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 9px 13px;
  color: var(--mist);
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
  transition: color 200ms ease, background-color 200ms ease, border-color 200ms ease;
}

.nav-toggle-label {
  line-height: 1;
}

.nav-toggle-box {
  display: grid;
  gap: 4px;
  width: 18px;
}

.nav-toggle-bar {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--mist);
  transition: transform 200ms ease, background-color 200ms ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(3px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  transform: translateY(-3px) rotate(-45deg);
}

.nav-toggle:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(46, 230, 200, 0.06);
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
  box-shadow: 0 0 0 4px rgba(46, 230, 200, 0.16);
}

.site-nav {
  display: block;
  min-width: 0;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(12px, 1.6vw, 24px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-item {
  min-width: 0;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  padding: 8px 0 10px;
  color: rgba(244, 247, 248, 0.82);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
  transition: color 200ms ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 220ms ease;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--mist);
}

.nav-link:hover::after,
.nav-link:focus-visible::after {
  transform: scaleX(1);
}

.nav-link:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 4px;
  border-radius: 6px;
  box-shadow: 0 0 0 4px rgba(46, 230, 200, 0.15);
}

.nav-link-index {
  color: var(--silver);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.05em;
  transition: color 200ms ease;
}

.nav-link-label {
  white-space: nowrap;
}

.nav-link:hover .nav-link-index,
.nav-link:focus-visible .nav-link-index {
  color: var(--orange);
}

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

.nav-link[aria-current="page"]::after {
  transform: scaleX(1);
}

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

.site-footer {
  position: relative;
  overflow: hidden;
  padding: clamp(48px, 7vw, 84px) 0 28px;
  color: var(--mist);
  background:
    radial-gradient(circle at 72% 12%, rgba(46, 230, 200, 0.08), transparent 24rem),
    radial-gradient(circle at 8% 88%, rgba(108, 154, 118, 0.08), transparent 22rem),
    var(--tunnel);
  border-top: 1px solid var(--line);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--orange) 0 16%, var(--yellow) 16% 26%, var(--cyan) 26% 38%, var(--grass) 38% 100%);
  opacity: 0.92;
}

.site-footer::after {
  content: "";
  position: absolute;
  top: 6px;
  right: 0;
  bottom: 0;
  left: 0;
  pointer-events: none;
  background: linear-gradient(120deg, transparent 0 78%, rgba(244, 247, 248, 0.035) 78% 78.12%, transparent 78.12% 100%);
}

.footer-shell {
  position: relative;
  z-index: 1;
  width: min(1220px, calc(100% - clamp(32px, 6vw, 64px)));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 1.35fr) minmax(0, 0.8fr);
  align-items: start;
  gap: clamp(28px, 4vw, 54px);
}

.footer-lead {
  min-width: 0;
}

.footer-brand {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--mist);
  border-radius: 14px;
}

.footer-mark {
  position: relative;
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(46, 230, 200, 0.48);
  border-radius: 11px;
  background: linear-gradient(145deg, rgba(255, 107, 26, 0.14), rgba(46, 230, 200, 0.08));
}

.footer-mark::before {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid var(--orange);
  border-radius: 8px 8px 3px 3px;
}

.footer-mark-line {
  position: absolute;
  right: 8px;
  bottom: 7px;
  left: 8px;
  height: 1px;
  background: var(--cyan);
}

.footer-brandline {
  max-width: 20em;
  color: var(--mist);
  font-family: var(--font-serif);
  font-size: clamp(18px, 2.1vw, 24px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.025em;
}

.footer-brand:hover .footer-mark {
  border-color: var(--yellow);
}

.footer-brand:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 5px;
}

.footer-note {
  max-width: 38em;
  margin: 18px 0 20px;
  color: var(--silver);
  font-size: 13.5px;
  line-height: 1.72;
}

.footer-quick {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 40px;
  padding: 9px 14px;
  color: var(--cyan);
  border: 1px solid rgba(46, 230, 200, 0.55);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  line-height: 1;
  transition: color 200ms ease, background-color 200ms ease, border-color 200ms ease;
}

.footer-quick:hover {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.footer-quick:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
  box-shadow: 0 0 0 4px rgba(46, 230, 200, 0.12);
}

.footer-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 36px);
  min-width: 0;
}

.footer-col {
  min-width: 0;
}

.footer-col-title {
  margin: 0 0 12px;
  color: var(--grass);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  line-height: 1.4;
  text-transform: uppercase;
}

.footer-list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 0;
  padding: 4px 0;
  color: rgba(244, 247, 248, 0.84);
  font-size: 14.5px;
  line-height: 1.5;
  transition: color 200ms ease, gap 200ms ease;
}

.footer-link::before {
  content: "";
  width: 0;
  height: 1px;
  background: var(--cyan);
  transition: width 200ms ease;
}

.footer-link:hover,
.footer-link:focus-visible {
  gap: 8px;
  color: var(--cyan);
}

.footer-link:hover::before,
.footer-link:focus-visible::before {
  width: 10px;
}

.footer-link:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 4px;
  border-radius: 4px;
}

.footer-contact {
  min-width: 0;
  padding-left: clamp(18px, 2.5vw, 32px);
  border-left: 1px solid var(--line);
}

.footer-contact-kicker {
  margin: 0 0 14px;
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  line-height: 1.4;
}

.footer-contact-line {
  margin: 0 0 8px;
  color: var(--mist);
  font-size: 13.5px;
  line-height: 1.65;
  overflow-wrap: anywhere;
}

.footer-contact-line:last-child {
  margin-bottom: 0;
}

.footer-base {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 24px;
  margin-top: clamp(28px, 5vw, 52px);
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.footer-meta,
.footer-icp {
  margin: 0;
  color: var(--silver);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-left: auto;
}

.footer-legal-link {
  position: relative;
  color: var(--silver);
  font-size: 12.5px;
  line-height: 1.6;
  transition: color 200ms ease;
}

.footer-legal-link::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -2px;
  left: 0;
  height: 1px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 200ms ease;
}

.footer-legal-link:hover,
.footer-legal-link:focus-visible {
  color: var(--cyan);
}

.footer-legal-link:hover::after,
.footer-legal-link:focus-visible::after {
  transform: scaleX(1);
}

.footer-legal-link:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 4px;
  border-radius: 3px;
}

.page-shell {
  width: min(1220px, calc(100% - clamp(32px, 6vw, 64px)));
  margin-inline: auto;
  padding-block: clamp(30px, 5vw, 64px);
}

.content-well {
  width: min(100%, 780px);
  margin-inline: auto;
}

.content-well--wide {
  width: min(100%, 980px);
  margin-inline: auto;
}

.section-band {
  position: relative;
  padding-block: clamp(44px, 7vw, 88px);
}

.section-band--paper {
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(255, 107, 26, 0.055), transparent 28%),
    var(--paper);
}

.section-band--grass {
  color: var(--mist);
  background: linear-gradient(180deg, var(--grass), #4f785a);
}

.section-band--night {
  color: var(--mist);
  background: var(--night);
}

.layout-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gutter);
}

.layout-grid > * {
  grid-column: 1 / -1;
  min-width: 0;
}

.layout-grid .span-4 {
  grid-column: span 4;
}

.layout-grid .span-5 {
  grid-column: span 5;
}

.layout-grid .span-6 {
  grid-column: span 6;
}

.layout-grid .span-7 {
  grid-column: span 7;
}

.layout-grid .span-8 {
  grid-column: span 8;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  line-height: 1.5;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
}

.section-band--paper .eyebrow {
  color: var(--ink);
}

.section-band--paper .eyebrow::before {
  background: var(--orange);
}

.display-title {
  max-width: 14ch;
  margin: 0 0 0.35em;
  color: inherit;
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 7vw, 5.25rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.035em;
}

.section-title {
  max-width: 18ch;
  margin: 0 0 0.5em;
  color: inherit;
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.025em;
}

.lede {
  max-width: 44em;
  color: inherit;
  font-size: clamp(1.05rem, 1.5vw, 1.22rem);
  line-height: 1.65;
  opacity: 0.88;
}

.body-copy {
  max-width: 70ch;
  color: inherit;
  font-size: 1rem;
  line-height: 1.78;
}

.body-copy > * + * {
  margin-top: 1em;
}

.body-copy a,
.lede a {
  color: var(--cyan);
  text-decoration-line: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.25em;
}

.section-band--paper .body-copy a,
.section-band--paper .lede a {
  color: var(--ink);
  text-decoration-color: var(--orange);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding: 12px 20px;
  color: var(--ink);
  background: var(--orange);
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: var(--font-sans);
  font-size: 14.5px;
  font-weight: 800;
  line-height: 1;
  text-align: center;
  cursor: pointer;
  transition: color 200ms ease, background-color 200ms ease, border-color 200ms ease, box-shadow 200ms ease, transform 200ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  box-shadow: 0 0 0 3px rgba(255, 107, 26, 0.38);
}

.btn--primary {
  color: var(--ink);
  background: var(--orange);
  border-color: var(--orange);
}

.btn--primary:hover {
  background: var(--yellow);
  border-color: var(--yellow);
}

.btn--ghost {
  color: var(--mist);
  background: transparent;
  border-color: var(--line-strong);
}

.btn--ghost:hover {
  color: var(--cyan);
  background: rgba(46, 230, 200, 0.08);
  border-color: var(--cyan);
}

.section-band--paper .btn--ghost {
  color: var(--ink);
  border-color: rgba(17, 24, 32, 0.36);
}

.section-band--paper .btn--ghost:hover {
  color: var(--ink);
  background: rgba(255, 107, 26, 0.14);
  border-color: var(--orange);
}

.btn--quiet {
  min-height: auto;
  padding: 4px 0;
  color: var(--cyan);
  background: transparent;
  border-color: transparent;
}

.btn--quiet:hover {
  color: var(--orange);
  text-decoration: underline;
  text-underline-offset: 0.3em;
}

.section-band--paper .btn--quiet {
  color: var(--ink);
}

.section-band--paper .btn--quiet:hover {
  color: var(--orange);
}

.btn__icon {
  color: currentColor;
  font-family: var(--font-mono);
  font-size: 1em;
  line-height: 1;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  color: var(--silver);
  background: transparent;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.5;
  white-space: nowrap;
}

.tag--orange {
  color: var(--orange);
  background: rgba(255, 107, 26, 0.09);
}

.tag--cyan {
  color: var(--cyan);
  background: rgba(46, 230, 200, 0.08);
}

.tag--grass {
  color: var(--grass);
  background: rgba(108, 154, 118, 0.1);
}

.tag--yellow {
  color: var(--yellow);
  background: rgba(255, 209, 92, 0.1);
}

.section-band--paper .tag--yellow {
  color: var(--ink);
  background: rgba(255, 209, 92, 0.5);
}

.exhibit-card {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 3vw, 30px);
  color: var(--mist);
  background: linear-gradient(160deg, rgba(244, 247, 248, 0.075), rgba(244, 247, 248, 0.025));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: border-color 220ms ease, box-shadow 220ms ease, background-color 220ms ease;
}

.exhibit-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(120deg, transparent 0 62%, rgba(46, 230, 200, 0.06) 62% 62.35%, transparent 62.35% 100%);
}

.exhibit-card:hover,
.exhibit-card:focus-within {
  border-color: rgba(46, 230, 200, 0.48);
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.18);
}

.exhibit-card--paper {
  color: var(--ink);
  background: var(--paper);
  border-color: rgba(17, 24, 32, 0.16);
}

.exhibit-card--paper::before {
  background: linear-gradient(120deg, transparent 0 62%, rgba(255, 107, 26, 0.07) 62% 62.35%, transparent 62.35% 100%);
}

.exhibit-card--ink {
  color: var(--mist);
  background: var(--tunnel);
  border-color: var(--line-strong);
}

.exhibit-card--edge {
  border-radius: 6px 28px 28px 28px;
}

.exhibit-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: clamp(16px, 2vw, 22px);
  padding-bottom: 10px;
  color: var(--silver);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1.5;
}

.exhibit-card--paper .exhibit-label {
  color: rgba(17, 24, 32, 0.62);
  border-bottom-color: rgba(17, 24, 32, 0.16);
}

.exhibit-index {
  color: var(--orange);
  font-family: var(--font-mono);
  font-weight: 600;
}

.exhibit-title {
  margin: 0 0 0.5em;
  color: inherit;
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 2.4vw, 2rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.exhibit-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  color: var(--silver);
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
}

.exhibit-card--paper .exhibit-meta {
  color: rgba(17, 24, 32, 0.64);
}

.index-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(7, 17, 28, 0.66);
}

.index-table {
  width: 100%;
  min-width: 640px;
  color: var(--mist);
  border-collapse: collapse;
  font-size: 14.5px;
  line-height: 1.6;
}

.index-table caption {
  padding: 16px 18px;
  color: var(--paper);
  background: rgba(244, 247, 248, 0.045);
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  text-align: left;
}

.index-table th,
.index-table td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.index-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  color: var(--cyan);
  background: rgba(46, 230, 200, 0.07);
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.index-table tr:last-child td {
  border-bottom: 0;
}

.index-table tbody tr {
  transition: background-color 200ms ease;
}

.index-table tbody tr:hover {
  background: rgba(255, 107, 26, 0.08);
}

.section-band--paper .index-table-wrap {
  background: rgba(17, 24, 32, 0.035);
  border-color: rgba(17, 24, 32, 0.18);
}

.section-band--paper .index-table {
  color: var(--ink);
}

.section-band--paper .index-table caption {
  color: var(--ink);
  background: rgba(17, 24, 32, 0.045);
}

.section-band--paper .index-table th,
.section-band--paper .index-table td {
  border-bottom-color: rgba(17, 24, 32, 0.16);
}

.section-band--paper .index-table th {
  color: var(--ink);
  background: rgba(255, 107, 26, 0.1);
}

.media-frame {
  position: relative;
  display: block;
  min-height: 220px;
  overflow: hidden;
  isolation: isolate;
  color: var(--mist);
  background: #0e2335;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(255, 107, 26, 0.2), transparent 40%, rgba(46, 230, 200, 0.12));
}

.media-frame--wide {
  aspect-ratio: 16 / 9;
}

.media-frame--portrait {
  aspect-ratio: 4 / 5;
}

.media-frame--map {
  min-height: 360px;
  background-image:
    linear-gradient(135deg, rgba(46, 230, 200, 0.07), transparent 44%),
    radial-gradient(circle at 30% 38%, rgba(255, 107, 26, 0.18), transparent 18%),
    radial-gradient(circle at 72% 62%, rgba(46, 230, 200, 0.15), transparent 20%),
    repeating-linear-gradient(90deg, rgba(244, 247, 248, 0.045) 0 1px, transparent 1px 58px),
    repeating-linear-gradient(0deg, rgba(244, 247, 248, 0.035) 0 1px, transparent 1px 58px),
    #0d2234;
}

.media-frame__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame__placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: clamp(18px, 4vw, 38px);
  color: rgba(244, 247, 248, 0.7);
  background:
    linear-gradient(135deg, rgba(255, 107, 26, 0.16), transparent 40%),
    radial-gradient(circle at 76% 22%, rgba(46, 230, 200, 0.16), transparent 32%),
    #0b2031;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  letter-spacing: 0.08em;
  text-align: center;
}

.media-frame__caption {
  position: absolute;
  right: 16px;
  bottom: 16px;
  left: 16px;
  z-index: 2;
  max-width: max-content;
  padding: 8px 12px;
  color: var(--mist);
  background: rgba(7, 17, 28, 0.76);
  border: 1px solid rgba(244, 247, 248, 0.14);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  line-height: 1.5;
  letter-spacing: 0.03em;
  backdrop-filter: blur(6px);
}

.breadcrumb {
  color: var(--silver);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  line-height: 1.6;
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumb-item {
  min-width: 0;
}

.breadcrumb-item:not(:last-child)::after {
  content: "/";
  margin-left: 6px;
  color: rgba(154, 169, 181, 0.7);
}

.breadcrumb-link {
  color: var(--silver);
  transition: color 200ms ease;
}

.breadcrumb-link:hover,
.breadcrumb-link:focus-visible {
  color: var(--cyan);
}

.breadcrumb-link:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
  border-radius: 3px;
}

.breadcrumb-current {
  color: var(--cyan);
}

.section-band--paper .breadcrumb {
  color: rgba(17, 24, 32, 0.62);
}

.section-band--paper .breadcrumb-link {
  color: rgba(17, 24, 32, 0.72);
}

.section-band--paper .breadcrumb-current {
  color: var(--ink);
}

.read-progress {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 100;
  height: 3px;
  pointer-events: none;
  background: rgba(7, 17, 28, 0.38);
}

.read-progress__bar {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--orange), var(--yellow) 38%, var(--cyan));
  box-shadow: 0 0 18px rgba(46, 230, 200, 0.35);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 100ms linear;
}

@media (max-width: 1180px) {
  .header-rail {
    gap: 16px;
  }

  .nav-list {
    gap: 14px;
  }

  .nav-link {
    font-size: 12.5px;
  }

  .quick-entry-kicker {
    display: none;
  }
}

@media (max-width: 1000px) {
  .footer-shell {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .footer-lead {
    grid-column: 1 / -1;
  }

  .footer-contact {
    grid-column: 1 / -1;
    padding-top: 20px;
    padding-left: 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .footer-base {
    grid-column: 1 / -1;
  }
}

@media (max-width: 900px) {
  :root {
    --header-h: 76px;
  }

  .header-rail {
    grid-template-columns: 1fr auto auto;
    width: min(100% - 28px, 1460px);
  }

  .header-span {
    display: none;
  }

  .quick-entry {
    grid-column: 2;
  }

  .nav-toggle {
    display: inline-flex;
    grid-column: 3;
  }

  .site-nav {
    display: none;
    grid-column: 1 / -1;
    width: 100%;
    padding: 0 0 22px;
  }

  .site-header[data-open="true"] .site-nav {
    display: block;
  }

  .site-header[data-open="true"] .nav-toggle {
    color: var(--ink);
    background: var(--orange);
    border-color: var(--orange);
  }

  .site-header[data-open="true"] .nav-toggle-bar {
    background: var(--ink);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 15px 2px;
    border-bottom: 1px solid rgba(154, 169, 181, 0.18);
    font-size: 15px;
  }

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

  .nav-link::after {
    display: none;
  }

  .nav-link[aria-current="page"] {
    color: var(--cyan);
    background: linear-gradient(90deg, rgba(46, 230, 200, 0.08), transparent);
  }

  .nav-link-index {
    width: 2.4em;
    font-size: 10px;
  }
}

@media (max-width: 760px) {
  body {
    font-size: 16px;
  }

  .page-shell {
    width: min(100% - 32px, 1220px);
  }

  .layout-grid .span-4,
  .layout-grid .span-5,
  .layout-grid .span-6,
  .layout-grid .span-7,
  .layout-grid .span-8 {
    grid-column: 1 / -1;
  }

  .footer-columns {
    gap: 18px;
  }

  .footer-base {
    align-items: flex-start;
  }

  .footer-legal {
    width: 100%;
    margin-left: 0;
  }
}

@media (max-width: 680px) {
  .header-rail {
    grid-template-columns: 1fr auto;
  }

  .quick-entry {
    display: none;
  }

  .nav-toggle {
    grid-column: 2;
  }

  .brand-glyph {
    width: 38px;
    height: 38px;
    border-radius: 13px;
  }

  .brand-name {
    font-size: 15px;
  }

  .brand-sub {
    font-size: 8px;
  }

  .media-frame__caption {
    right: 12px;
    bottom: 12px;
    left: 12px;
    max-width: none;
    border-radius: 14px;
    line-height: 1.55;
  }
}

@media (max-width: 560px) {
  .footer-shell {
    width: min(100% - 32px, 1220px);
    gap: 26px;
  }

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

  .footer-contact-line {
    font-size: 13px;
  }

  .footer-base {
    gap: 8px 18px;
  }

  .footer-meta,
  .footer-icp {
    font-size: 11.5px;
  }

  .footer-legal-link {
    font-size: 12px;
  }

  .exhibit-card {
    border-radius: var(--radius-md);
  }

  .media-frame {
    border-radius: var(--radius-lg);
  }
}

@media (max-width: 420px) {
  .footer-columns {
    grid-template-columns: 1fr;
  }

  .footer-brandline {
    font-size: 17px;
  }

  .footer-note {
    font-size: 12.5px;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .read-progress__bar {
    transition: none;
  }
}