@font-face {
  font-family: Gilroy;
  src: url("fonts/Gilroy-Semibold.otf") format("opentype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: Gilroy;
  src: url("fonts/Gilroy-Regular.otf") format("opentype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: Gilroy;
  src: url("fonts/Gilroy-Medium.otf") format("opentype");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: Gilroy;
  src: url("fonts/Gilroy-Bold.otf") format("opentype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: Gilroy;
  src: url("fonts/Gilroy-Light.otf") format("opentype");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@property --nav-grid-step {
  syntax: "<length>";
  inherits: false;
  initial-value: 220px;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  width: 100%;
  min-height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  background: #fff;
}
body {
  width: 100%;
  min-height: 100%;
  overflow: visible;
  background: #fff;
  font-family: var(--font-zh);
  font-weight: 600;
}
:root {
  --font-zh: Gilroy, "PingFang SC", "PingFang TC", sans-serif;
  --brand-blue: #162594;
  --brand-blue-deep: #101b72;
  --brand-green: #67ed64;
  --brand-off-white: #f4f4f4;
  --page-artboard-height: 355.6125vw; /* fallback; JS syncs this from bg.svg's viewBox */
  --scroll-green: var(--brand-green);
  --scroll-mask-green: #dffbde;
  --scroll-gray: #ccc;
  --scroll-gray-front: #bdbdbd;
  --scroll-off-white: var(--brand-off-white);
  --scroll-blue: var(--brand-blue);
  --scroll-blue-front: var(--brand-blue-deep);
  --scroll-cube-color: var(--brand-off-white);
  --scroll-cube-front: #ececec;
  --section-title-size: 3vw;
  --section-card-title-size: 1.9vw;
  --section-body-size: 1.125vw;
  --section-meta-size: 0.875vw;
  --section-nav-size: 3.25vw;
  --section-nav-gutter: 5.375vw;
  --section-nav-chevron-size: 1.0625vw;
  --section-nav-chevron-stroke: 0.125vw;
  --footer-mark-shift: -16px;
}
.visually-hidden {
  position: absolute;
  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;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  color: #fff;
  background: var(--brand-blue);
  font: 600 16px/1.2 var(--font-zh);
  transform: translateY(calc(-100% - 24px));
  transition: transform 0.2s ease;
}
.skip-link:focus {
  transform: translateY(0);
}
.lbl {
  position: fixed;
  z-index: 10;
  pointer-events: none;
  user-select: none;
}
.lbl svg {
  display: block;
}
.content-color-mask {
  display: none;
}
.content-mask-host {
  position: fixed;
  pointer-events: none;
  user-select: none;
}
.content-mask-host svg {
  display: block;
}
.content-type-base {
  color: var(--scroll-green);
}
.content-type-mask {
  display: block;
  color: var(--scroll-blue);
}
.content-visible-mask-shape {
  fill: var(--scroll-mask-green);
}
#lbl-tl,
#content-mask-en {
  top: calc(min(5vw, 8.8889vh) + 4vh);
  right: min(2.5vw, 4.4444vh);
  transform: none;
}
#lbl-cr-bot,
#content-mask-zh {
  top: calc(min(5vw, 8.8889vh) + 2vh);
  left: min(2.5vw, 4.4444vh);
  transform: none;
}
#lbl-tl svg,
#content-mask-en svg {
  width: 43.26vw;
  height: auto;
}
#lbl-cr-bot svg,
#content-mask-zh svg {
  width: 47.86vw;
  height: auto;
}
#landing-meta {
  position: fixed;
  z-index: 10;
  top: 32px;
  right: 112px;
  width: max-content;
  transform: translateX(var(--footer-mark-shift));
  color: var(--brand-blue);
  pointer-events: none;
  user-select: none;
}
#landing-meta .landing-meta-group {
  display: flex;
  align-items: flex-start;
  gap: 32px;
}
#landing-meta p {
  flex: 0 0 auto;
  font-size: var(--section-body-size);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0;
}
#landing-meta .landing-date {
  font-family: Gilroy, sans-serif;
}
#landing-meta .landing-date-text {
  display: inline-block;
  font-size: 1.1em;
  line-height: 1.1;
  transform: translateY(0.1em);
}
#landing-meta .landing-place {
  font-family: var(--font-zh);
}
#landing-meta .landing-meta-detail {
  display: block;
  margin-top: 8px;
  font-family: var(--font-zh);
  font-size: max(12px, 0.75em);
  line-height: 1.4;
  white-space: nowrap;
}
#scroll-type-nav {
  --nav-grid-step: 13vw;
  --nav-motion-duration: 0.55s;
  position: fixed;
  z-index: 15;
  top: 48px;
  left: 24px;
  display: grid;
  grid-template-columns: repeat(3, var(--nav-grid-step));
  grid-auto-rows: var(--nav-grid-step);
  place-items: center;
  width: max-content;
  transform: translate(var(--nav-group-x, 0px), var(--nav-group-y, 0px))
    scale(var(--nav-ui-scale, 0.35));
  transform-origin: top left;
  transform-style: preserve-3d;
  transition:
    transform var(--nav-motion-duration) cubic-bezier(0.22, 0.8, 0.25, 1),
    top var(--nav-motion-duration) cubic-bezier(0.22, 0.8, 0.25, 1),
    --nav-grid-step var(--nav-motion-duration) cubic-bezier(0.22, 0.8, 0.25, 1);
  /* Empty grid cells must not intercept links in the page below. */
  pointer-events: none;
}
#scroll-type-nav.home-nav {
  top: 40px;
  left: 50px;
  --nav-ui-scale: 0.525;
  --nav-label-size-scale: 0.6666667;
  --scroll-cube-color: #f2f2f2;
}
#scroll-type-nav.home-nav button,
#scroll-type-nav.l2-nav button {
  font-weight: 700;
}
#scroll-type-nav.home-nav span.scroll-nav-label,
#scroll-type-nav.l2-nav span.scroll-nav-label {
  /* Both layouts use an effective label scale of 0.35: +2px when active. */
  font-size: calc(1em + 5.7142857px);
}
#scroll-type-nav.nav-scroll-transition {
  --nav-motion-duration: 1.05s;
}
#scroll-type-nav.nav-3d-off {
  top: 24px;
}
#scroll-type-nav.nav-two-rows {
  grid-template-columns: repeat(5, var(--nav-grid-step));
}
#scroll-type-nav button {
  pointer-events: auto;
  appearance: none;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  justify-self: center;
  align-self: center;
  width: var(--nav-size, clamp(76px, 7.1vw, 109px));
  height: var(--nav-size, clamp(76px, 7.1vw, 109px));
  border: 0;
  border-radius: 0;
  padding: 10px;
  background: var(--scroll-cube-color);
  color: var(--scroll-blue);
  font-family: var(--font-zh);
  font-size: var(--nav-font-size, 24px);
  font-weight: 600;
  line-height: 0.9;
  text-align: center;
  cursor: pointer;
  transition:
    width 0.32s cubic-bezier(0.22, 0.8, 0.25, 1),
    height 0.32s cubic-bezier(0.22, 0.8, 0.25, 1),
    font-size 0.32s cubic-bezier(0.22, 0.8, 0.25, 1),
    color 0.2s ease,
    background-color 0.2s ease;
}
#scroll-type-nav.nav-hover-text-color .is-nav-hovered {
  color: var(--scroll-green);
}
#scroll-type-nav.nav-hover-cube-color .is-nav-hovered {
  background-color: var(--scroll-green);
}
#scroll-type-nav.nav-hover-cube-color.nav-hover-text-color .is-nav-hovered {
  color: var(--scroll-blue);
}
#scroll-type-nav.nav-hover-text-underline
  .is-nav-hovered
  span.scroll-nav-label {
  text-decoration: underline;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.12em;
}
#scroll-type-nav button:nth-child(-n + 3) {
  z-index: 1;
}
#scroll-type-nav button:nth-child(n + 4):nth-child(-n + 5) {
  z-index: 2;
}
#scroll-type-nav button:nth-child(n + 6) {
  z-index: 3;
}
#scroll-type-nav.nav-two-rows button:nth-child(-n + 5) {
  z-index: 1;
}
#scroll-type-nav.nav-two-rows button:nth-child(n + 6) {
  z-index: 2;
}
#scroll-type-nav .scroll-nav-item,
#scroll-type-nav .scroll-nav-utility {
  --nav-front-color: var(--scroll-cube-front);
  --nav-scale: 0.42;
  --nav-scale-x: 0.42;
  --nav-depth: 0px;
  --nav-depth-center-offset: 0px;
  --nav-face-scale-y: 1;
  --nav-label-face-compensation: 1;
  width: clamp(180px, 17vw, 260px);
  height: clamp(180px, 17vw, 260px);
  font-size: 50px;
  transform: translate(
      var(--nav-shift-x, 0%),
      calc(var(--nav-shift-y, 0%) - var(--nav-depth-center-offset))
    )
    scaleX(var(--nav-scale-x)) scaleY(var(--nav-scale))
    scaleY(var(--nav-face-scale-y));
  transform-origin: center;
  transform-style: preserve-3d;
  transition:
    transform var(--nav-motion-duration) cubic-bezier(0.22, 0.8, 0.25, 1),
    left var(--nav-motion-duration) cubic-bezier(0.22, 0.8, 0.25, 1),
    top var(--nav-motion-duration) cubic-bezier(0.22, 0.8, 0.25, 1),
    width var(--nav-motion-duration) cubic-bezier(0.22, 0.8, 0.25, 1);
  will-change: transform, left, top, width;
}
#scroll-type-nav .scroll-nav-item::before,
#scroll-type-nav .scroll-nav-utility::before {
  content: "";
  position: absolute;
  z-index: -1;
  left: 0;
  right: 0;
  top: calc(100% - 1px);
  height: calc(var(--nav-depth) + 1px);
  background: var(--nav-front-color);
  pointer-events: none;
  transition: height var(--nav-motion-duration) cubic-bezier(0.22, 0.8, 0.25, 1);
}

/* Chinese navigation: width and offsets for WDCC, 论坛, 展览, 嘉宾, 新闻, EN, Search. */
#scroll-type-nav[lang="zh-CN"] button:nth-child(1) {
  width: 20vw;
  left: 2vw;
  top: 0;
}
#scroll-type-nav[lang="zh-CN"] button:nth-child(2) {
  width: 17vw;
  left: 4vw;
  top: 0;
}
#scroll-type-nav[lang="zh-CN"] button:nth-child(3) {
  width: 17vw;
  left: 5vw;
  top: 0;
}
#scroll-type-nav[lang="zh-CN"] button:nth-child(4) {
  width: 17vw;
  left: 0;
  top: 0;
}
#scroll-type-nav[lang="zh-CN"] button:nth-child(5) {
  width: 17vw;
  left: 0;
  top: 0;
}
#scroll-type-nav[lang="zh-CN"] button:nth-child(6) {
  width: 17vw;
  left: 0;
  top: 0;
}
#scroll-type-nav[lang="zh-CN"] button:nth-child(7) {
  width: 17vw;
  left: 0;
  top: 0;
}
#scroll-type-nav[lang="zh-CN"] .scroll-nav-item:not([data-scroll-nav="WDCC"]) {
  font-size: 56px;
}

/* English navigation: width and offsets for WDCC, FORUM, EXHIBITION, GUESTS, NEWS, ZH, Search. */
#scroll-type-nav[lang="en"] button:nth-child(1) {
  width: 20vw;
  left: 1vw;
  top: 0;
}
#scroll-type-nav[lang="en"] button:nth-child(2) {
  width: 20vw;
  left: 6vw;
  top: 0;
}
#scroll-type-nav[lang="en"] button:nth-child(3) {
  width: 26vw;
  left: 15vw;
  top: 0;
}
#scroll-type-nav[lang="en"] button:nth-child(4) {
  width: 20vw;
  left: 0;
  top: 0;
}
#scroll-type-nav[lang="en"] button:nth-child(5) {
  width: 19vw;
  left: 3vw;
  top: 0;
}
#scroll-type-nav[lang="en"] button:nth-child(6) {
  width: 17vw;
  left: 0;
  top: 0;
}
#scroll-type-nav[lang="en"] button:nth-child(7) {
  width: 17vw;
  left: 0;
  top: 0;
}
#scroll-type-nav button:focus-visible {
  outline: 3px solid var(--scroll-blue);
  outline-offset: 3px;
}
#scroll-type-nav button span {
  display: block;
}
#scroll-type-nav .scroll-nav-label {
  scale: var(--nav-label-size-scale, 1);
  position: relative;
  z-index: 100;
  transform: translateZ(1000px) scaleX(var(--nav-label-compensation-x, 1))
    scaleY(var(--nav-label-compensation-y, 1))
    scaleY(var(--nav-label-face-compensation));
  transform-origin: center;
  transform-style: preserve-3d;
  transition: transform var(--nav-motion-duration)
    cubic-bezier(0.22, 0.8, 0.25, 1);
  will-change: transform;
}
#scroll-type-nav .scroll-nav-item[data-scroll-nav="WDCC"],
#scroll-type-nav .scroll-nav-language {
  font-family: Gilroy, Arial, sans-serif;
}
#scroll-type-nav[lang="en"] .scroll-nav-item {
  font-family: Gilroy, Arial, sans-serif;
  font-size: 50px;
}
#scroll-type-nav .scroll-nav-language {
  --nav-front-color: var(--scroll-gray-front);
  grid-column: 1;
  grid-row: 3;
  background: var(--scroll-gray);
  color: var(--scroll-blue);
}
#scroll-type-nav .scroll-nav-search {
  --nav-front-color: var(--scroll-blue-front);
  grid-column: 2;
  grid-row: 3;
  background: var(--scroll-blue);
  color: var(--scroll-gray);
  padding: 40px;
}
#scroll-type-nav.nav-two-rows .scroll-nav-language,
#scroll-type-nav.nav-two-rows .scroll-nav-search {
  grid-row: 2;
}
#scroll-type-nav .scroll-nav-search svg {
  display: block;
  width: 50%;
  height: 50%;
  overflow: visible;
}
#scroll-type-nav .scroll-nav-search circle,
#scroll-type-nav .scroll-nav-search path {
  fill: none;
  stroke: currentColor;
  stroke-width: 6;
  stroke-linecap: square;
}
#scroll-menu-button {
  appearance: none;
  position: fixed;
  z-index: 15;
  top: 42px;
  right: 42px;
  display: block;
  width: 38px;
  height: 23px;
  border: 0;
  padding: 0;
  background: transparent;
}
#scroll-menu-button img {
  display: block;
  width: 100%;
  height: 100%;
}
#scroll-hero-footer {
  position: absolute;
  z-index: 15;
  /* Use the background's 1600px artboard coordinates: y=600, right=64.
     The right-hand light face ends at y=667.4, independent of viewport height. */
  right: 4vw;
  top: 37.5vw;
  display: flex;
  align-items: center;
  width: max-content;
  gap: 2vw;
  pointer-events: none;
}
#scroll-hero-footer img {
  display: block;
  width: auto;
  height: 1.828125vw;
  max-width: 100%;
  min-width: 0;
  flex: 0 1 auto;
  object-fit: contain;
}
#scroll-hero-footer .scroll-footer-logo {
  width: 9.639375vw;
}
#scroll-hero-footer img:last-child {
  width: 16.1840625vw;
}
#scroll-track {
  display: block;
  position: relative;
  height: calc(
    100vh + var(--content-scroll-range) + var(--content-scroll-buffer)
  );
}
#scene {
  display: block;
  position: sticky;
  top: 0;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  transform: translateZ(0);
  background-color: var(--scroll-off-white);
  background-image: url("bg.svg");
  background-position: center top;
  background-size: 100% auto;
  background-repeat: no-repeat;
}
body.animated-background-ready #scene,
body.animated-background-ready #scroll-tail {
  background-image: none;
}
.animated-page-background {
  display: none;
  position: absolute;
  z-index: 0;
  left: 0;
  width: 100%;
  pointer-events: none;
  user-select: none;
}
#scene-background {
  display: block;
  top: 0;
}
#tail-background {
  display: block;
  top: -100vh;
}
.animated-page-background svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}
.animated-page-background .block-front {
  transform-box: fill-box;
  transform-origin: center top;
  transform: scaleY(0);
  will-change: transform;
}
.animated-page-background .background-block {
  transform-box: fill-box;
  transform-origin: center center;
  transform: translateY(0);
  will-change: transform;
}
#content-masks {
  display: block;
  position: absolute;
  z-index: 4;
  inset: 0;
  pointer-events: none;
}
#content-labels {
  display: block;
  position: absolute;
  z-index: 10;
  inset: 0;
  pointer-events: none;
}
#content-labels svg {
  overflow: visible;
}
#scroll-tail {
  display: block;
  position: relative;
  height: max(0px, calc(var(--page-artboard-height) - 100vh));
  overflow: hidden;
  background-color: var(--scroll-off-white);
  background-image: url("bg.svg");
  background-position: center -100vh;
  background-size: 100% auto;
  background-repeat: no-repeat;
}
/* Long-page content uses the same 1600px-wide coordinate system as bg.svg. */
.page-sections {
  position: absolute;
  z-index: 5;
  top: -100vh;
  left: 0;
  width: 100%;
  height: var(--page-artboard-height);
  color: var(--scroll-blue);
  font-family: var(--font-zh);
  font-weight: 500;
}
.background-page-anchor {
  position: absolute;
  left: 0;
  width: 1px;
  height: 1px;
  pointer-events: none;
}
.forum-section {
  position: absolute;
  left: 7.4375vw;
  top: 65.4375vw;
  width: 85.25vw;
  height: 38.125vw;
  --forum-blue: #fff;
  --forum-green: var(--scroll-green);
  color: var(--forum-blue);
  font-weight: 500;
  letter-spacing: -0.01em;
}
.forum-intro {
  position: absolute;
  left: 4vw;
  top: 6.625vw;
  width: 30.625vw;
  height: 19.25vw;
  font-size: 1.3125vw;
  line-height: 1.75vw;
}
.forum-intro p {
  margin: 0;
}
.forum-intro p + p {
  margin-top: 1.75vw;
}
.forum-program {
  position: absolute;
  left: 41.625vw;
  top: 0;
  width: 39.625vw;
  height: auto;
  min-height: 38.125vw;
}
.forum-program h2 {
  height: 3.8125vw;
  margin: 0;
  color: var(--forum-green);
  font-size: 3vw;
  line-height: 4.1875vw;
  font-weight: 500;
}
.forum-schedule {
  position: relative;
  left: 0;
  top: auto;
  width: 39.625vw;
  height: auto;
  margin: 2.8125vw 0 0;
  padding: 0;
  list-style: none;
  font-size: 1vw;
  line-height: 2vw;
}
.forum-schedule::before {
  content: "";
  position: absolute;
  z-index: 1;
  left: 0;
  right: 0;
  top: 0;
  height: 0.1875vw;
  background: var(--forum-green);
}
.forum-day {
  display: grid;
  grid-template-columns: 12.1875vw 1fr;
  height: 3.5vw;
  border-bottom: 0.0625vw solid var(--forum-green);
}
.forum-day:nth-child(2) {
  height: 3.3125vw;
}
.forum-day:nth-child(3),
.forum-day:nth-child(4),
.forum-day:nth-child(5),
.forum-day:nth-child(6) {
  height: 3.5625vw;
}
.forum-day:nth-child(7) {
  height: 3.4375vw;
}
.forum-day time {
  display: block;
  padding-top: 0.5625vw;
  font: inherit;
  color: var(--forum-blue);
}
.forum-day > a,
.forum-day-opening li a,
.forum-day-multi li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-width: 0;
  height: 100%;
  color: inherit;
  text-decoration: none;
}
.forum-day > a {
  padding: 0.5625vw 0.0625vw 0.5625vw 0;
}
.forum-day-opening {
  height: 10.5vw;
}
/* 多场次日（9.29 / 9.30）：与首日同版式，高度随场次数量自适应。
   需提升特异性，否则被 .forum-day:nth-child(n) 的逐行高度微调覆盖。 */
ol.forum-schedule > li.forum-day-multi {
  height: auto;
}
.forum-day-opening > time,
.forum-day-multi > time {
  grid-row: 1;
  padding-top: 0.5625vw;
}
.forum-day-opening ul,
.forum-day-multi ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.forum-day-opening li,
.forum-day-multi li {
  height: 3.5vw;
  border-bottom: 0.0625vw solid var(--forum-green);
}
.forum-day-opening li:nth-child(2),
.forum-day-multi li:nth-child(2) {
  height: 3.4375vw;
}
.forum-day-opening li:nth-child(3),
.forum-day-multi li:nth-child(3) {
  height: 3.5625vw;
}
.forum-day-opening li:last-child,
.forum-day-multi li:last-child {
  border-bottom: 0;
}
.forum-day-opening li a,
.forum-day-multi li a {
  padding-right: 0.0625vw;
}
.forum-day a span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.forum-day i {
  position: relative;
  display: block;
  flex: 0 0 auto;
  width: 1.25vw;
  height: 1vw;
  margin-left: 1vw;
}
.forum-day i::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0.22vw;
  top: 50%;
  height: 0.125vw;
  background: currentColor;
  transform: translateY(-50%);
}
.forum-day i::after {
  content: "";
  position: absolute;
  right: 0.08vw;
  top: 50%;
  width: 0.625vw;
  height: 0.625vw;
  border-top: 0.125vw solid currentColor;
  border-right: 0.125vw solid currentColor;
  transform: translateY(-50%) rotate(45deg);
}
.forum-day a:focus-visible {
  outline: 0.125vw solid currentColor;
  outline-offset: -0.125vw;
}
.forum-day a:hover i {
  transform: translateX(0.2vw);
}
.forum-day i {
  transition: transform 0.18s ease;
}

.exhibition-section {
  position: absolute;
  left: 0;
  top: 132vw;
  width: 100%;
  height: 32.5vw;
  --exhibition-green: var(--scroll-green);
  color: var(--scroll-blue);
  font-family: var(--font-zh);
  letter-spacing: -0.01em;
}
/* 展览两屏共用同一坐标体系，切换不改变既有定位 */
.exhibition-slides {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
}
.exhibition-slide {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
}
.exhibition-slide[hidden] {
  display: none;
}
.exhibition-section h2 {
  position: absolute;
  left: 32.4375vw;
  top: 0;
  width: 52.25vw;
  height: 3.875vw;
  margin: 0;
  color: var(--exhibition-green);
  font-size: 3vw;
  line-height: 3.25vw;
  font-weight: 500;
}
.exhibition-arrow {
  appearance: none;
  z-index: 1;
  position: absolute;
  top: 6.1875vw;
  width: 6.5vw;
  height: 8.9375vw;
  border: 0;
  padding: 0;
  background: transparent;
  cursor: pointer;
}
.exhibition-arrow-previous {
  left: 5.6875vw;
}
.exhibition-arrow-next {
  left: 87.75vw;
  transform: scaleX(-1);
}
.exhibition-arrow::before {
  content: "";
  position: absolute;
  left: 1.875vw;
  top: 6.375vw;
  width: 2.8125vw;
  height: 0.125vw;
  background: var(--exhibition-green);
}
.exhibition-arrow span {
  position: absolute;
  left: 1.875vw;
  top: 3.6875vw;
  width: 2.8125vw;
  height: 2.8125vw;
  background: var(--exhibition-green);
  border-radius: 0;
}
.exhibition-arrow span::before {
  content: "";
  position: absolute;
  left: 1.125vw;
  top: 0.875vw;
  width: 0.75vw;
  height: 0.75vw;
  border-left: 0.125vw solid #fff;
  border-bottom: 0.125vw solid #fff;
  transform: rotate(45deg);
}
.exhibition-arrow:focus-visible {
  outline: 0.125vw solid #fff;
  outline-offset: -0.125vw;
}
.exhibition-arrow:hover span {
  transform: translateX(-0.2vw);
}
.exhibition-arrow span {
  transition: transform 0.18s ease;
}
.exhibition-meta {
  position: absolute;
  left: 13.6875vw;
  top: 22vw;
  width: 16.0625vw;
  height: 10.125vw;
  font-size: 0.875vw;
  line-height: 1.125vw;
  font-weight: 500;
  text-transform: uppercase;
}
.exhibition-meta p {
  margin: 0 0 1.125vw;
}
.exhibition-description {
  position: absolute;
  left: 32.375vw;
  top: 21.6875vw;
  width: 29.6875vw;
  height: 10.8125vw;
  margin: 0;
  font-size: 1.125vw;
  line-height: 1.6875vw;
  font-weight: 500;
  text-transform: uppercase;
}
/* 第二屏（WDCC2026 主题展）文案显著长于第一屏，高度随内容延展 */
.exhibition-description-long {
  height: auto;
}
.exhibition-details {
  font-family: inherit;
  text-align: left;
  padding: 0;
  cursor: pointer;
  position: absolute;
  left: 66.3125vw;
  top: 22.125vw;
  width: 19.0625vw;
  height: 6.25vw;
  border: 0.0625vw solid var(--exhibition-green);
  background: transparent;
  color: var(--exhibition-green);
  text-decoration: none;
  box-shadow: none;
  font-size: 0.9375vw;
  line-height: 1.4375vw;
}
.exhibition-details span {
  position: absolute;
  left: 1.625vw;
  top: 0.75vw;
}
.exhibition-details i {
  position: absolute;
  right: 2.1875vw;
  top: 1.0625vw;
  width: 0.8125vw;
  height: 0.8125vw;
  border-top: 0.125vw solid currentColor;
  border-right: 0.125vw solid currentColor;
  transform: rotate(45deg);
}
.exhibition-details:hover i {
  transform: translateX(0.2vw) rotate(45deg);
}
.exhibition-details i {
  transition: transform 0.18s ease;
}
.exhibition-details:focus-visible {
  outline: 0.125vw solid var(--exhibition-green);
  outline-offset: 0.25vw;
}

.guests-section {
  position: absolute;
  left: 0;
  top: 189vw;
  width: 100%;
  height: 53.114375vw;
  color: #fff;
  font-family: var(--font-zh);
}
.guests-section h2 {
  position: absolute;
  left: 17.54375vw;
  top: 3.1275vw;
  margin: 0;
  color: #fff;
  opacity: 0.8;
  font-size: 1.159175vw;
  line-height: 1.4375vw;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.guests-grid {
  position: absolute;
  left: 17.54375vw;
  top: 0.39375vw;
  width: 72.106875vw;
  display: grid;
  grid-template-columns: repeat(5, 12.17125vw);
  gap: 0vw 2.8125vw;
  transform: scale(0.9);
  transform-origin: top left;
}
.guest-card:first-child {
  grid-column: 3;
}
.guest-card {
  position: relative;
  width: 12.17125vw;
  height: 19vw;
  border-radius: 0.35085vw;
  overflow: hidden;
}
.guest-portrait {
  position: absolute;
  left: 0;
  top: 1.855625vw;
  width: 12.17125vw;
  height: 12.17125vw;
  overflow: hidden;
  background: linear-gradient(145deg, #0082f6 0%, var(--scroll-blue) 100%);
}
.guest-portrait::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 22%;
  width: 3.75vw;
  height: 3.75vw;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.22);
  transform: translateX(-50%);
}
.guest-portrait::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -15%;
  width: 8.2vw;
  height: 8.2vw;
  border-radius: 50% 50% 0 0;
  background: rgba(255, 255, 255, 0.16);
  transform: translateX(-50%);
}
.guest-card:nth-child(3n + 2) .guest-portrait {
  background: linear-gradient(145deg, #3157df 0%, #0082f6 100%);
}
.guest-card:nth-child(3n) .guest-portrait {
  background: linear-gradient(145deg, var(--scroll-blue) 0%, #5059bc 100%);
}
.guest-card p {
  position: absolute;
  left: 0.174vw;
  right: 0.695vw;
  top: 14.55vw;
  bottom: auto;
  margin: 0;
  color: #fff;
  font-size: 0.92734vw;
  line-height: 1.2;
  font-weight: 500;
  opacity: 1;
}
.guest-card small {
  font: inherit;
}
.guests-arrow {
  appearance: none;
  position: absolute;
  z-index: 2;
  top: 21.875vw;
  width: 6.5vw;
  height: 8.9375vw;
  border: 0;
  padding: 0;
  background: transparent;
  cursor: pointer;
}
.guests-arrow-previous {
  left: 5.6875vw;
}
.guests-arrow-next {
  right: 5.75vw;
  transform: scaleX(-1);
}
.guests-arrow::after {
  content: none;
}
.guests-arrow span {
  position: absolute;
  left: 1.875vw;
  top: 3.6875vw;
  width: 2.8125vw;
  height: 2.8125vw;
  background: var(--scroll-blue);
}
.guests-arrow span::before {
  content: "";
  position: absolute;
  left: 1.125vw;
  top: 0.875vw;
  width: 0.75vw;
  height: 0.75vw;
  border-left: 0.125vw solid #fff;
  border-bottom: 0.125vw solid #fff;
  transform: rotate(45deg);
}
.guests-arrow:hover span {
  transform: translateX(-0.2vw);
}
.guests-arrow span {
  transition: transform 0.18s ease;
}
.guests-arrow:focus-visible {
  outline: 0.125vw solid #fff;
  outline-offset: -0.125vw;
}

.news-section {
  --news-gap: 2.3125vw;
  --news-column-width: 21vw;
  position: absolute;
  left: 0;
  top: 263.5vw;
  width: 100%;
  height: 58vw;
  color: #fff;
  font-family: var(--font-zh);
}
.site-footer {
  position: absolute;
  left: 0;
  top: auto;
  bottom: 0;
  width: 100%;
  line-height: 0;
}
.site-footer img {
  display: block;
  width: 100%;
  height: auto;
}
/* Keep the pending logo artwork; render confirmed footer information as text.
   Positions follow the original artwork's 1600 × 839.5 coordinate system. */
.site-footer .footer-details,
.site-footer .footer-organizers {
  position: absolute;
  color: #fff;
  font-family: var(--font-zh);
  font-size: 0.875vw;
  line-height: 1.65;
}
.site-footer .footer-details {
  left: 3.625%;
  top: 6.5%;
  width: 57%;
  display: grid;
  grid-template-columns: 1.15fr 1fr 1.45fr 1.1fr;
  gap: 1.5vw;
}
.site-footer .footer-organizers {
  left: 3.625%;
  top: 38.6%;
  width: 25%;
  font-size: 1vw;
}
.site-footer h2 {
  margin: 0 0 0.65vw;
  font-size: 1.375vw;
  line-height: 1.4;
  font-weight: 600;
}
.site-footer p { margin: 0; }
.site-footer .footer-organizers section + section { margin-top: 1.4vw; }
.site-footer a { color: inherit; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.news-viewport {
  position: absolute;
  left: 50%;
  top: 0;
  width: calc((var(--news-column-width) * 3) + (var(--news-gap) * 2));
  overflow: hidden;
  transform: translateX(-50%);
}
.news-track {
  display: flex;
  gap: var(--news-gap);
  transform: translateX(var(--news-offset, 0px));
  transition: transform 0.55s cubic-bezier(0.22, 0.8, 0.25, 1);
  will-change: transform;
}
.news-card {
  flex: 0 0 var(--news-column-width);
  min-width: 0;
}
.news-card a {
  display: block;
  color: inherit;
  text-decoration: none;
}
.news-image {
  width: 100%;
  aspect-ratio: 1;
  background: var(--news-block-color);
  transition: filter 0.25s ease;
}
.news-image-one {
  --news-block-color: #11196f;
}
.news-image-two {
  --news-block-color: #c8c9d2;
}
.news-image-three {
  --news-block-color: #aaa9c7;
}
.news-image-four {
  --news-block-color: var(--scroll-green);
}
.news-image-five {
  --news-block-color: var(--scroll-off-white);
}
.news-card h2 {
  margin: 3.125vw 0 0;
  color: var(--scroll-blue);
  font-size: 2.1875vw;
  line-height: 1.28;
  font-weight: 500;
  letter-spacing: -0.035em;
}
.news-card p {
  margin: 2.625vw 0 0;
  color: var(--scroll-blue);
  font-size: 1.125vw;
  line-height: 1.58;
  font-weight: 500;
  letter-spacing: -0.015em;
}
.news-card a:hover .news-image {
  filter: brightness(1.12);
}
.news-card a:focus-visible {
  outline: 0.125vw solid var(--scroll-green);
  outline-offset: 0.35vw;
}
.news-arrow {
  appearance: none;
  position: absolute;
  z-index: 2;
  top: 18vw;
  width: 3.25vw;
  height: 3.25vw;
  border: 0;
  padding: 0;
  background: var(--scroll-green);
  color: #fff;
  cursor: pointer;
}
.news-arrow-previous {
  left: 5.375vw;
}
.news-arrow-next {
  right: 5.375vw;
  transform: scaleX(-1);
}
.news-arrow span::before {
  content: "";
  position: absolute;
  left: 1.1875vw;
  top: 0.9375vw;
  width: 1.0625vw;
  height: 1.0625vw;
  border-left: 0.125vw solid currentColor;
  border-bottom: 0.125vw solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.18s ease;
}
.news-arrow:hover span::before {
  transform: translateX(-0.18vw) rotate(45deg);
}
.news-arrow:focus-visible {
  outline: 0.125vw solid #fff;
  outline-offset: 0.25vw;
}
.news-arrow:disabled {
  opacity: 0.35;
  cursor: default;
}

/* Shared section navigation and typography system. */
.exhibition-section {
  --section-nav-top: 6.1875vw;
  --section-nav-background: var(--scroll-green);
}
.guests-section {
  --section-nav-top: 21.875vw;
  --section-nav-background: var(--scroll-blue);
}
.news-section {
  --section-nav-top: 18vw;
  --section-nav-background: var(--scroll-green);
}
.exhibition-arrow,
.guests-arrow,
.news-arrow {
  top: var(--section-nav-top);
  width: var(--section-nav-size);
  height: var(--section-nav-size);
  background: var(--section-nav-background);
  color: #fff;
}
.exhibition-arrow {
  top: 16vw;
}
.exhibition-arrow-previous,
.guests-arrow-previous,
.news-arrow-previous {
  left: var(--section-nav-gutter);
  right: auto;
}
.exhibition-arrow-next,
.guests-arrow-next,
.news-arrow-next {
  left: auto;
  right: var(--section-nav-gutter);
  transform: scaleX(-1);
}
.exhibition-arrow::before,
.guests-arrow::before,
.guests-arrow::after,
.news-arrow::before,
.news-arrow::after {
  content: none;
}
.exhibition-arrow span,
.guests-arrow span,
.news-arrow span {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background: transparent;
  transform: none;
}
.exhibition-arrow span::before,
.guests-arrow span::before,
.news-arrow span::before {
  content: "";
  position: absolute;
  left: calc((var(--section-nav-size) - var(--section-nav-chevron-size)) / 2);
  top: calc((var(--section-nav-size) - var(--section-nav-chevron-size)) / 2);
  width: var(--section-nav-chevron-size);
  height: var(--section-nav-chevron-size);
  border: 0;
  border-left: var(--section-nav-chevron-stroke) solid currentColor;
  border-bottom: var(--section-nav-chevron-stroke) solid currentColor;
  transform: translateX(12%) rotate(45deg);
  transition: transform 0.18s ease;
}
.exhibition-arrow:hover span,
.guests-arrow:hover span,
.news-arrow:hover span {
  transform: none;
}
.exhibition-arrow:hover span::before,
.guests-arrow:hover span::before,
.news-arrow:hover span::before {
  transform: translateX(-5%) rotate(45deg);
}
.exhibition-arrow:focus-visible,
.guests-arrow:focus-visible,
.news-arrow:focus-visible {
  outline: var(--section-nav-chevron-stroke) solid #fff;
  outline-offset: 0.25vw;
}
.forum-program h2,
.exhibition-section h2,
.guests-section h2 {
  font-size: var(--section-title-size);
  line-height: 1.1;
}
.news-card h2 {
  font-size: var(--section-card-title-size);
  line-height: 1.28;
}
.forum-intro,
.exhibition-description,
.guest-card p,
.news-card p {
  font-size: var(--section-body-size);
}
.forum-intro,
.exhibition-description,
.news-card p {
  line-height: 1.58;
}
.forum-schedule,
.exhibition-meta {
  font-size: var(--section-meta-size);
}

@media (max-width: 800px) {
  #scroll-type-nav {
    --nav-grid-step: clamp(86px, 25vw, 148px);
  }
  #scroll-type-nav .scroll-nav-item,
  #scroll-type-nav .scroll-nav-utility {
    width: clamp(140px, 34vw, 210px);
    height: clamp(140px, 34vw, 210px);
    font-size: 40px;
  }

  /* Chinese navigation on small screens. */
  #scroll-type-nav[lang="zh-CN"] button:nth-child(1) {
    width: clamp(168px, 40.8vw, 252px);
    left: clamp(16.8px, 4.08vw, 25.2px);
    top: clamp(0px, 0vw, 0px);
  }
  #scroll-type-nav[lang="zh-CN"] button:nth-child(2) {
    width: clamp(140px, 34vw, 210px);
    left: clamp(28px, 6.8vw, 42px);
    top: clamp(0px, 0vw, 0px);
  }
  #scroll-type-nav[lang="zh-CN"] button:nth-child(3) {
    width: clamp(140px, 34vw, 210px);
    left: clamp(28px, 6.8vw, 42px);
    top: clamp(0px, 0vw, 0px);
  }
  #scroll-type-nav[lang="zh-CN"] button:nth-child(4) {
    width: clamp(140px, 34vw, 210px);
    left: clamp(0px, 0vw, 0px);
    top: clamp(0px, 0vw, 0px);
  }
  #scroll-type-nav[lang="zh-CN"] button:nth-child(5) {
    width: clamp(140px, 34vw, 210px);
    left: clamp(0px, 0vw, 0px);
    top: clamp(0px, 0vw, 0px);
  }
  #scroll-type-nav[lang="zh-CN"] button:nth-child(6) {
    width: clamp(140px, 34vw, 210px);
    left: clamp(0px, 0vw, 0px);
    top: clamp(0px, 0vw, 0px);
  }
  #scroll-type-nav[lang="zh-CN"] button:nth-child(7) {
    width: clamp(140px, 34vw, 210px);
    left: clamp(0px, 0vw, 0px);
    top: clamp(0px, 0vw, 0px);
  }
  #scroll-type-nav[lang="zh-CN"] .scroll-nav-item:not([data-scroll-nav="WDCC"]) {
    font-size: 44px;
  }

  /* English navigation on small screens. */
  #scroll-type-nav[lang="en"] button:nth-child(1) {
    width: clamp(168px, 40.8vw, 252px);
    left: clamp(16.8px, 4.08vw, 25.2px);
    top: clamp(0px, 0vw, 0px);
  }
  #scroll-type-nav[lang="en"] button:nth-child(2) {
    width: clamp(140px, 34vw, 210px);
    left: clamp(28px, 6.8vw, 42px);
    top: clamp(0px, 0vw, 0px);
  }
  #scroll-type-nav[lang="en"] button:nth-child(3) {
    width: clamp(140px, 34vw, 210px);
    left: clamp(28px, 6.8vw, 42px);
    top: clamp(0px, 0vw, 0px);
  }
  #scroll-type-nav[lang="en"] button:nth-child(4) {
    width: clamp(140px, 34vw, 210px);
    left: clamp(0px, 0vw, 0px);
    top: clamp(0px, 0vw, 0px);
  }
  #scroll-type-nav[lang="en"] button:nth-child(5) {
    width: clamp(140px, 34vw, 210px);
    left: clamp(0px, 0vw, 0px);
    top: clamp(0px, 0vw, 0px);
  }
  #scroll-type-nav[lang="en"] button:nth-child(6) {
    width: clamp(140px, 34vw, 210px);
    left: clamp(0px, 0vw, 0px);
    top: clamp(0px, 0vw, 0px);
  }
  #scroll-type-nav[lang="en"] button:nth-child(7) {
    width: clamp(140px, 34vw, 210px);
    left: clamp(0px, 0vw, 0px);
    top: clamp(0px, 0vw, 0px);
  }

  /* 英文长词（EXHIBITION/GUESTS）在窄屏按 40px 会超出相邻方块中心距，
     叠成不可读的连字（768px 实测 "FOREMIBITION"）。按视口收窄字号。 */
  #scroll-type-nav[lang="en"] .scroll-nav-item {
    font-size: clamp(16px, 3vw, 26px);
  }
  #scroll-type-nav .scroll-nav-search {
    padding: 32px;
  }

  #scroll-tail {
    height: auto;
    min-height: var(--page-artboard-height);
    padding: 10vw 6vw;
    background-position: center top;
    background-size: auto 100%;
  }
  #tail-background {
    top: 0;
  }
  .page-sections {
    position: relative;
    top: auto;
    left: auto;
    width: auto;
    height: auto;
  }
  .forum-section {
    position: relative;
    left: auto;
    top: auto;
    width: auto;
    height: auto;
    display: flex;
    flex-direction: column;
    gap: 10vw;
  }
  .forum-intro {
    position: relative;
    left: auto;
    top: auto;
    order: 2;
    width: auto;
    height: auto;
    font-size: 4vw;
    line-height: 5.4vw;
  }
  .forum-intro p + p {
    margin-top: 5.4vw;
  }
  .forum-program {
    position: relative;
    left: auto;
    top: auto;
    order: 1;
    width: auto;
    height: auto;
  }
  .forum-program h2 {
    height: auto;
    font-size: 9vw;
    line-height: 1.15;
  }
  .forum-schedule {
    position: relative;
    left: auto;
    top: auto;
    width: auto;
    height: auto;
    margin-top: 8vw;
    font-size: 3.6vw;
    line-height: 1.4;
  }
  .forum-schedule::before {
    height: 0.75vw;
  }
  .forum-day,
  .forum-day:nth-child(n) {
    grid-template-columns: 20vw 1fr;
    height: auto;
    min-height: 11vw;
    border-bottom-width: 0.25vw;
  }
  .forum-day time,
  .forum-day > a {
    padding-top: 3vw;
    padding-bottom: 3vw;
  }
  .forum-day-opening {
    height: 33vw;
    min-height: 33vw;
  }
  .forum-day-opening > time {
    padding-top: 3vw;
  }
  .forum-day-opening li,
  .forum-day-opening li:nth-child(n),
  .forum-day-multi li,
  .forum-day-multi li:nth-child(n) {
    height: 11vw;
    border-bottom-width: 0.25vw;
  }
  /* 多场次日（9.29 / 9.30）的 <ul> 是 grid item，默认 min-width:auto 会被
     其中 nowrap 的长议程文字撑宽，把右侧箭头顶出容器；归零后 1fr 才真正可收缩，
     文字由 .forum-day a span 的 ellipsis 截断。 */
  .forum-day-opening ul,
  .forum-day-multi ul {
    min-width: 0;
  }
  .forum-day i {
    width: 4vw;
    height: 3.2vw;
    margin-left: 2vw;
  }
  .forum-day i::before {
    right: 0.7vw;
    height: 0.4vw;
  }
  .forum-day i::after {
    right: 0.25vw;
    width: 2vw;
    height: 2vw;
    border-width: 0.4vw;
  }

  .exhibition-section {
    position: relative;
    left: auto;
    top: auto;
    width: auto;
    height: auto;
    margin-top: 26.25vw;
    padding-bottom: 12vw;
  }
  .exhibition-section h2 {
    position: relative;
    left: auto;
    top: auto;
    width: auto;
    height: auto;
    font-size: 8vw;
    line-height: 1.12;
  }
  .exhibition-arrow {
    top: 24vw;
    width: 14vw;
    height: 18vw;
  }
  .exhibition-arrow-previous {
    left: 0;
  }
  .exhibition-arrow-next {
    left: auto;
    right: 0;
  }
  .exhibition-arrow::before {
    left: 3vw;
    top: 12vw;
    width: 8vw;
    height: 0.5vw;
  }
  .exhibition-arrow span {
    left: 3vw;
    top: 4vw;
    width: 8vw;
    height: 8vw;
    border-radius: 0;
  }
  .exhibition-arrow span::before {
    left: 3.1vw;
    top: 2.25vw;
    width: 2.5vw;
    height: 2.5vw;
    border-width: 0.5vw;
  }
  .exhibition-meta {
    position: relative;
    left: auto;
    top: auto;
    width: auto;
    height: auto;
    margin-top: 30vw;
    font-size: 3.5vw;
    line-height: 1.35;
  }
  .exhibition-meta p {
    margin-bottom: 3vw;
  }
  .exhibition-description {
    position: relative;
    left: auto;
    top: auto;
    width: auto;
    height: auto;
    margin-top: 8vw;
    font-size: 4vw;
    line-height: 1.5;
  }
  .exhibition-details {
    position: relative;
    left: auto;
    top: auto;
    display: block;
    width: 72vw;
    height: 24vw;
    margin: 10vw auto 5vw;
    border: 0.25vw solid var(--exhibition-green);
    box-shadow: none;
    font-size: 4vw;
    line-height: 1.4;
  }
  .exhibition-details span {
    left: 6vw;
    top: 3vw;
  }
  .exhibition-details i {
    right: 8vw;
    top: 4.5vw;
    width: 3vw;
    height: 3vw;
    border-width: 0.5vw;
  }

  .guests-section {
    position: relative;
    left: auto;
    top: auto;
    width: auto;
    height: auto;
    margin-top: 16vw;
    padding-bottom: 12vw;
    transform: none;
  }
  .guests-section h2 {
    position: relative;
    left: auto;
    top: auto;
    font-size: 5vw;
    line-height: 1.2;
  }
  .guests-grid {
    position: relative;
    left: auto;
    top: auto;
    width: auto;
    margin-top: 10vw;
    grid-template-columns: repeat(2, 1fr);
    gap: 6vw 5vw;
    transform: none;
  }
  .guest-card {
    width: 41.5vw;
    height: 63vw;
    border-radius: 1.4vw;
  }
  .guest-card:first-child {
    grid-column: auto;
  }
  .guest-portrait {
    top: 6vw;
    width: 41.5vw;
    height: 41.5vw;
  }
  .guest-portrait::before {
    width: 13vw;
    height: 13vw;
  }
  .guest-portrait::after {
    width: 29vw;
    height: 29vw;
  }
  .guest-card p {
    left: 0.6vw;
    right: 1vw;
    top: auto;
    bottom: 0;
    font-size: 3.4vw;
  }
  .guests-arrow {
    top: 10vw;
    width: 14vw;
    height: 18vw;
  }
  .guests-arrow-previous {
    left: auto;
    right: 16vw;
  }
  .guests-arrow-next {
    right: 0;
  }
  .guests-arrow::after {
    left: 3vw;
    top: 12vw;
    width: 8vw;
    height: 0.5vw;
  }
  .guests-arrow span {
    left: 3vw;
    top: 4vw;
    width: 8vw;
    height: 8vw;
  }
  .guests-arrow span::before {
    left: 3.1vw;
    top: 2.25vw;
    width: 2.5vw;
    height: 2.5vw;
    border-width: 0.5vw;
  }

  .news-section {
    --news-gap: 6vw;
    position: relative;
    left: auto;
    top: auto;
    width: auto;
    height: auto;
    margin-top: 29vw;
    padding-bottom: 14vw;
  }
  .site-footer {
    position: relative;
    left: auto;
    top: auto;
    bottom: auto;
    width: calc(100% + 12vw);
    margin: 8vw -6vw 0;
  }
  .news-viewport {
    position: relative;
    left: auto;
    top: auto;
    width: 100%;
    transform: none;
  }
  .news-card {
    flex-basis: 100%;
  }
  .news-card h2 {
    margin-top: 7vw;
    font-size: 7.2vw;
    line-height: 1.24;
  }
  .news-card p {
    margin-top: 6vw;
    font-size: 4vw;
    line-height: 1.55;
  }
  .news-arrow {
    top: -14vw;
    width: 10vw;
    height: 10vw;
  }
  .news-arrow-previous {
    left: auto;
    right: 13vw;
  }
  .news-arrow-next {
    right: 0;
  }
  .news-arrow span::before {
    left: 3.7vw;
    top: 2.9vw;
    width: 3.2vw;
    height: 3.2vw;
    border-width: 0.45vw;
  }

  :root {
    --section-title-size: 8vw;
    --section-card-title-size: 7.2vw;
    --section-body-size: 4vw;
    --section-meta-size: 3.5vw;
    --section-nav-size: 10vw;
    --section-nav-gutter: 0vw;
    --section-nav-chevron-size: 3.2vw;
    --section-nav-chevron-stroke: 0.45vw;
  }
  .exhibition-section {
    --section-nav-top: 24vw;
  }
  .guests-section {
    --section-nav-top: 10vw;
  }
  .news-section {
    --section-nav-top: -14vw;
  }
  .exhibition-arrow,
  .guests-arrow,
  .news-arrow {
    top: var(--section-nav-top);
    width: var(--section-nav-size);
    height: var(--section-nav-size);
  }
  .exhibition-arrow {
    top: 28vw;
  }
  .exhibition-arrow-previous,
  .guests-arrow-previous,
  .news-arrow-previous {
    left: auto;
    right: calc(var(--section-nav-gutter) + var(--section-nav-size) + 3vw);
  }
  .exhibition-arrow-next,
  .guests-arrow-next,
  .news-arrow-next {
    left: auto;
    right: var(--section-nav-gutter);
  }
  .exhibition-arrow span::before,
  .guests-arrow span::before,
  .news-arrow span::before {
    left: calc((var(--section-nav-size) - var(--section-nav-chevron-size)) / 2);
    top: calc((var(--section-nav-size) - var(--section-nav-chevron-size)) / 2);
    width: var(--section-nav-chevron-size);
    height: var(--section-nav-chevron-size);
    border-width: 0 0 var(--section-nav-chevron-stroke)
      var(--section-nav-chevron-stroke);
  }
  .forum-program h2,
  .exhibition-section h2,
  .guests-section h2 {
    font-size: var(--section-title-size);
  }
  .news-card h2 {
    font-size: var(--section-card-title-size);
  }
  .forum-intro,
  .exhibition-description,
  .guest-card p,
  .news-card p {
    font-size: var(--section-body-size);
  }
  .forum-schedule,
  .exhibition-meta {
    font-size: var(--section-meta-size);
  }
}

/* Keep the theme introduction in the middle column and its CTA on the right. */
@media (min-width: 801px) {
  .exhibition-description-long {
    top: 10vw;
    width: 29.6875vw;
    font-size: 0.95vw;
    line-height: 1.6;
    text-transform: none;
  }
  [data-exhibition-slide="1"] .exhibition-meta { top: 10vw; }
  [data-exhibition-slide="1"] .exhibition-details {
    top: 10vw;
  }
}
@media (max-width: 800px) {
  .exhibition-slides,
  .exhibition-slide {
    position: relative;
    inset: auto;
  }
}

/* 平板竖屏（601–800px）：≤800 断点把导航方块放大成 clamp(140px,34vw,210px)，
   但日期/地点仍是 width:max-content 横向铺开，两者在首屏相交（768px 实测压字）。
   与窄屏同思路处理：限制宽度、允许换行，右边界同时避开汉堡按钮（38px / right:42px）。 */
@media (min-width: 601px) and (max-width: 800px) {
  #landing-meta {
    top: 24px;
    right: 96px;
    max-width: min(calc(100vw - 300px), 40vw);
  }
  #landing-meta .landing-meta-group {
    gap: 16px;
    flex-wrap: wrap;
  }
  #landing-meta p {
    font-size: 14px;
    line-height: 1.25;
  }
  #landing-meta .landing-meta-detail {
    margin-top: 6px;
    font-size: 12px;
    line-height: 1.35;
    white-space: normal;
  }
}

/* 窄屏首屏：导航方块固定在左上、汉堡按钮固定在右上（38px 宽 / right:42px），
   日期/地点原本只贴右上角，导致 ≤600px 时与导航方块矩形相交、文字互相压盖。
   这里把日期/地点从右侧让位：right 需 ≥ 42+38+8 = 88 才能避开汉堡按钮。 */
@media (max-width: 600px) {
  #landing-meta {
    top: 18px;
    right: 88px;
    /* 左侧还要给导航方块留位：方块宽随 vw 缩放，取 34vw 上限保证不相交 */
    max-width: min(calc(100vw - 252px), 34vw);
  }
  #landing-meta .landing-meta-group {
    gap: 12px;
    flex-wrap: wrap;
  }
  #landing-meta p {
    font-size: 13px;
    line-height: 1.25;
  }
  #landing-meta .landing-date-text {
    font-size: 1.05em;
  }
  #landing-meta .landing-meta-detail {
    margin-top: 5px;
    font-size: 11px;
    line-height: 1.35;
    white-space: normal;
  }

  /* 中文主标题（SVG）默认顶到导航方块下方，方块 z-index 更高会把标题字压掉。
     窄屏把标题整体下移，避开左上角导航区（390px 下导航底边约 150px）。 */
  #lbl-cr-bot,
  #content-mask-zh {
    top: clamp(96px, 24vw, 150px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}