.research-detail {
  --paper: var(--paper-50);
  --ink: var(--ink-950);
  --muted: var(--ink-500);
  --accent: var(--blue-600);
  --accent-dark: var(--blue-700);
  --accent-wash: var(--blue-100);
  --r-line: var(--line);
  --shell: var(--content-max);
  --gutter: var(--content-gutter);
}

html[lang^="zh"] .research-detail {
  font-family: var(--font-cjk);
}

/* Keep the source page usable even before its small locale controller runs. */
html[lang^="en"] .research-detail [data-lang="zh"],
html[lang^="zh"] .research-detail [data-lang="en"] {
  display: none !important;
}

.research-detail, .research-detail * {
  box-sizing: border-box;
}.research-detail [hidden] {
  display: none !important;
}.research-detail {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-reading);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}.research-detail a {
  color: var(--accent-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}.research-detail a:hover, .research-detail a:focus-visible {
  color: var(--accent);
}.research-detail button,
.research-detail input {
  font: inherit;
}.research-detail button {
  color: inherit;
}.research-detail .content-shell {
  width: min(calc(100% - (2 * var(--gutter))), var(--shell));
  margin: 0 auto;
  padding-right: 14px;
  padding-left: 14px;
}.research-detail .intro {
  padding-top: var(--section-start);
}.research-detail .intro-inner {
  padding-top: 8px;
  padding-bottom: 8px;
}.research-detail .eyebrow, .research-detail .work-kicker {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1.5;
  text-transform: uppercase;
}.research-detail h1, .research-detail h2, .research-detail h3, .research-detail p {
  margin-top: 0;
}.research-detail h1 {
  max-width: 850px;
  margin-bottom: 16px;
  color: var(--accent);
  font-size: clamp(2.65rem, 4.5vw, 4rem);
  font-weight: 300;
  letter-spacing: 0.01em;
  line-height: 1.12;
}.research-detail .intro-lede {
  max-width: 850px;
  margin-bottom: 12px;
  font-size: 21px;
  line-height: 1.45;
}.research-detail .intro-copy {
  max-width: 920px;
  margin-bottom: 16px;
  color: var(--ink-700);
  font-size: 16px;
  line-height: 1.7;
}.research-detail .intro-meta {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: 13px;
}.research-detail .intro-meta a {
  color: var(--accent);
  font-size: 17px;
}.research-detail .research-cluster {
  scroll-margin-top: 68px;
  padding-top: 52px;
}.research-detail .cluster-title {
  margin-bottom: 4px;
  color: var(--accent);
  font-size: 31px;
  font-weight: 300;
  letter-spacing: 0.01em;
  line-height: 1.2;
}.research-detail .cluster-intro {
  max-width: 780px;
  margin-bottom: 0;
  color: var(--ink-700);
  font-size: 16px;
  line-height: 1.65;
}.research-detail .work {
  display: grid;
  grid-template-columns: 42.5% 57.5%;
  align-items: start;
  margin-top: 42px;
  margin-right: -14px;
  margin-left: -14px;
}.research-detail .work + .work {
  margin-top: 46px;
}.research-detail .work-media, .research-detail .work-copy {
  min-width: 0;
  padding: 14px;
}.research-detail .work-media {
  padding-right: 25px;
}.research-detail .work-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}.research-detail .work-copy {
  padding-top: 14px;
  padding-right: 14px;
  padding-left: 13px;
}.research-detail .work-kicker {
  margin-bottom: 10px;
  color: var(--accent-dark);
  font-size: 10px;
  letter-spacing: 0.13em;
}.research-detail .work-title {
  margin-bottom: 18px;
  color: var(--accent);
  font-size: clamp(2rem, 3.55vw, 2.84rem);
  font-weight: 300;
  letter-spacing: 0.005em;
  line-height: 1.18;
}.research-detail .work-copy > p:not(.work-kicker):not(.work-title-en):not(.language-label) {
  max-width: 690px;
  margin-bottom: 12px;
  color: var(--ink-900);
  font-size: 15px;
  line-height: 1.68;
}.research-detail .work-title-en {
  margin-bottom: 18px;
}.research-detail .language-label {
  max-width: 690px;
  margin: 16px 0 6px;
  color: var(--accent-dark);
  font-size: 11px;
  letter-spacing: 0.08em;
  line-height: 1.4;
  text-transform: uppercase;
}.research-detail .citation {
  margin-top: 22px;
  padding-top: 12px;
  border-top: 1px solid var(--r-line);
}.research-detail .citation-title {
  margin-bottom: 4px;
  color: var(--ink-900);
  font-size: 13px;
  font-style: italic;
  line-height: 1.45;
}.research-detail .citation-meta {
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}.research-detail .citation-meta strong, .research-detail .related-meta strong {
  color: var(--ink-900);
  font-weight: 700;
}.research-detail .work-links {
  display: flex;
  flex-wrap: wrap;
  gap: 7px 18px;
  font-size: 13px;
}.research-detail .related-papers {
  max-width: 690px;
  margin-top: 20px;
  padding-top: 12px;
  border-top: 1px solid var(--r-line);
}.research-detail .related-heading {
  margin: 0 0 8px;
  color: var(--accent-dark);
  font-size: 14px;
  letter-spacing: 0.04em;
}.research-detail .related-papers ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: related-paper;
}.research-detail .related-papers li {
  position: relative;
  padding-left: 30px;
  color: var(--ink-900);
  font-size: 15px;
  line-height: 1.6;
  counter-increment: related-paper;
}.research-detail .related-papers li + li {
  margin-top: 14px;
}.research-detail .related-papers li::before {
  position: absolute;
  top: 0;
  left: 0;
  color: var(--accent-dark);
  content: "[" counter(related-paper) "]";
}.research-detail .related-title, .research-detail .related-meta, .research-detail .related-links {
  display: block;
}.research-detail .related-title {
  color: var(--ink-900);
  font-style: italic;
}.research-detail .related-meta {
  margin-top: 2px;
  color: var(--muted);
  font-size: 14px;
}.research-detail .related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 5px 18px;
  margin-top: 3px;
  font-size: 13px;
}.research-detail :focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

@media (max-width: 980px) {.research-detail {
    --shell: var(--content-max-tablet);
    --gutter: var(--content-gutter-tablet);
  }}

@media (max-width: 767px) {.research-detail {
    --gutter: var(--content-gutter-tablet);
  }.research-detail {
    font-size: 16px;
  }.research-detail .content-shell {
    width: calc(100% - (2 * var(--gutter)));
    padding-right: 8px;
    padding-left: 8px;
  }.research-detail .intro {
    padding-top: 24px;
  }.research-detail h1 {
    margin-bottom: 14px;
    font-size: 37px;
    line-height: 1.14;
  }.research-detail .intro-lede {
    font-size: 19px;
    line-height: 1.48;
  }.research-detail .intro-copy, .research-detail .cluster-intro {
    font-size: 15px;
  }.research-detail .research-cluster {
    padding-top: 44px;
  }.research-detail .cluster-title {
    font-size: 28px;
  }.research-detail .work, .research-detail .work + .work {
    display: block;
    margin-top: 34px;
    margin-right: 0;
    margin-left: 0;
  }.research-detail .work-media, .research-detail .work-copy {
    padding: 8px 0;
  }.research-detail .work-media {
    margin-right: -8px;
    margin-left: -8px;
  }.research-detail .work-copy {
    padding-top: 18px;
  }.research-detail .work-title {
    margin-bottom: 16px;
    font-size: 32px;
    line-height: 1.2;
  }.research-detail .work-copy > p:not(.work-kicker):not(.work-title-en):not(.language-label) {
    font-size: 15px;
    line-height: 1.7;
  }.research-detail .work-title-en {
    margin-bottom: 16px;
    font-size: 32px;
    line-height: 1.2;
  }.research-detail .citation {
    margin-top: 20px;
  }
}

@media (max-width: 620px) {.research-detail {
    --gutter: var(--content-gutter-mobile);
  }}

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