:root {
  --bg: #070706;
  --bg-soft: #0e0e0b;
  --surface: #12110d;
  --surface-soft: #17150f;
  --surface-raised: #1c1911;
  --line: rgba(211, 178, 105, 0.18);
  --line-strong: rgba(211, 178, 105, 0.34);
  --text: #f2ecdc;
  --text-muted: #c9c0ab;
  --text-dim: #91866e;
  --accent: #d8b566;
  --accent-soft: #ab8950;
  --accent-faint: rgba(216, 181, 102, 0.11);
  --shadow: 0 22px 58px rgba(0, 0, 0, 0.34);
  --container: 1360px;
  --nav-height: 58px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  background: var(--bg);
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  min-width: 0;
  overflow-x: hidden;
  background: linear-gradient(180deg, #080806 0%, #0b0b08 44%, #070706 100%);
  color: var(--text);
  font-family:
    "IBM Plex Sans",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.62;
}

a {
  color: inherit;
}

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

main {
  display: block;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.container {
  width: min(100% - 48px, var(--container));
  margin: 0 auto;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(216, 181, 102, 0.18);
  background: rgba(7, 7, 6, 0.84);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--nav-height);
  gap: 18px;
}

.nav-brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  color: #f8f4ea;
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
}

.nav-logo {
  width: auto;
  height: 40px;
  filter: saturate(0.88) brightness(1.04);
  object-fit: contain;
}

.nav-links {
  display: flex;
  flex: 1 1 auto;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(10px, 1.5vw, 24px);
  overflow: visible;
  max-width: 100%;
  scrollbar-width: none;
}

.nav-links::-webkit-scrollbar {
  display: none;
}

.nav-item {
  position: relative;
  display: flex;
  align-items: center;
  min-height: var(--nav-height);
}

.nav-link {
  position: relative;
  padding: 8px 0 11px;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 3px;
  left: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    rgba(216, 181, 102, 0.2),
    rgba(216, 181, 102, 0.86),
    rgba(216, 181, 102, 0.2)
  );
  opacity: 0;
  transform: scaleX(0.42);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

.nav-item:hover .nav-link,
.nav-item:focus-within .nav-link,
.nav-link:focus-visible {
  color: #fff7e1;
  outline: 0;
}

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

.nav-submenu {
  position: absolute;
  top: calc(100% - 9px);
  right: 50%;
  z-index: 30;
  display: grid;
  gap: 1px;
  width: max-content;
  min-width: 136px;
  max-width: 202px;
  padding: 5px;
  border: 1px solid rgba(216, 181, 102, 0.1);
  border-radius: 6px;
  background:
    linear-gradient(180deg, rgba(255, 247, 225, 0.035), transparent),
    rgba(10, 9, 7, 0.74);
  -webkit-backdrop-filter: blur(12px) saturate(120%);
  backdrop-filter: blur(12px) saturate(120%);
  box-shadow:
    0 10px 24px rgba(0, 0, 0, 0.24),
    inset 0 1px 0 rgba(255, 247, 225, 0.04);
  opacity: 0;
  pointer-events: none;
  transform: translate(50%, 5px);
  transition:
    opacity 0.16s ease,
    transform 0.16s ease,
    visibility 0.16s ease;
  visibility: hidden;
}

.nav-item:nth-last-child(-n + 2) .nav-submenu {
  right: 0;
  transform: translate(0, 5px);
}

.nav-item:hover .nav-submenu,
.nav-item:focus-within .nav-submenu {
  opacity: 1;
  pointer-events: auto;
  transform: translate(50%, 0);
  visibility: visible;
}

.nav-item:nth-last-child(-n + 2):hover .nav-submenu,
.nav-item:nth-last-child(-n + 2):focus-within .nav-submenu {
  transform: translate(0, 0);
}

.nav-submenu a {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 26px;
  padding: 6px 8px 6px 10px;
  border-radius: 5px;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.1;
  text-decoration: none;
  white-space: nowrap;
  transition:
    background 0.16s ease,
    color 0.16s ease,
    transform 0.16s ease;
}

.nav-submenu a:hover,
.nav-submenu a:focus-visible {
  background: rgba(216, 181, 102, 0.07);
  color: #fff7e1;
  outline: 0;
  transform: translateX(1px);
}

.nav-submenu a::before {
  content: "";
  position: absolute;
  top: 7px;
  bottom: 7px;
  left: 3px;
  width: 1px;
  border-radius: 999px;
  background: rgba(216, 181, 102, 0);
  transition: background 0.16s ease;
}

.nav-submenu a:hover::before,
.nav-submenu a:focus-visible::before {
  background: rgba(216, 181, 102, 0.62);
}

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: min(680px, calc(100vh - var(--nav-height)));
  min-height: min(680px, calc(100svh - var(--nav-height)));
  padding: clamp(42px, 5vw, 72px) 0 clamp(36px, 4.6vw, 56px);
  display: flex;
  align-items: flex-start;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(
    112deg,
    rgba(20, 18, 12, 0.98) 0%,
    rgba(11, 11, 10, 0.92) 48%,
    rgba(7, 7, 6, 0.72) 100%
  );
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(
      90deg,
      rgba(7, 7, 6, 0.94) 0%,
      rgba(7, 7, 6, 0.8) 38%,
      rgba(7, 7, 6, 0.46) 63%,
      rgba(7, 7, 6, 0.16) 100%
    ),
    linear-gradient(
      0deg,
      rgba(7, 7, 6, 0.34) 0%,
      rgba(7, 7, 6, 0.02) 42%,
      rgba(7, 7, 6, 0.48) 100%
    );
  pointer-events: none;
}

.hero-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.72fr);
  align-items: center;
  gap: clamp(34px, 5vw, 76px);
}

.hero-copy {
  min-width: 0;
  max-width: 740px;
  animation: rise-in 0.64s ease both;
}

.title {
  max-width: 600px;
  margin-bottom: 18px;
  color: #f8f4ea;
  font-family: "Source Serif 4", Georgia, serif;
  font-size: clamp(46px, 3.95vw, 64px);
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.06;
  overflow-wrap: break-word;
}

.title-keep {
  white-space: nowrap;
}

.authors {
  margin-bottom: 10px;
  color: #eee7d5;
  font-size: 14px;
}

.authors-line {
  margin: 4px 0;
  line-height: 1.62;
}

.authors-line > strong,
.author-link {
  white-space: nowrap;
}

.authors-line-secondary {
  color: var(--text-muted);
  font-size: 0.96em;
}

.author-link {
  text-decoration: none;
}

.author-link .author-name {
  border-bottom: 1px solid rgba(216, 181, 102, 0.42);
  padding-bottom: 1px;
}

.author-link:hover .author-name {
  border-bottom-color: rgba(238, 242, 247, 0.88);
}

.author-mark {
  margin-left: 2px;
  color: var(--accent);
  font-size: 0.72em;
  font-weight: 700;
  vertical-align: super;
}

.author-notes {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 10px;
  color: var(--text-dim);
  font-size: 12px;
}

.author-notes span {
  padding: 0;
}

.affiliation {
  margin: 16px 0 12px;
  color: var(--text-muted);
  font-size: 14px;
}

.hero-summary {
  max-width: 58ch;
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.68;
}

.links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 18px;
  gap: 8px;
}

.link-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 38px;
  border: 1px solid rgba(216, 181, 102, 0.24);
  border-radius: 7px;
  padding: 8px 14px;
  background: rgba(18, 17, 13, 0.48);
  color: #f8f0dd;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition:
    border-color 0.2s ease,
    background 0.2s ease,
    color 0.2s ease,
    transform 0.2s ease;
}

.link-icon-box {
  display: inline-grid;
  flex: 0 0 22px;
  place-items: center;
  width: 22px;
  height: 22px;
}

.links a.link-btn-primary {
  border-color: rgba(242, 208, 128, 0.86);
  background: #efd07d;
  color: #080806;
  box-shadow: 0 10px 28px rgba(216, 181, 102, 0.14);
}

.link-btn:hover {
  border-color: rgba(216, 181, 102, 0.55);
  background: rgba(28, 25, 17, 0.92);
  color: #fff7e1;
  transform: translateY(-1px);
}

.link-icon {
  display: block;
  width: 20px;
  height: 20px;
  color: currentColor;
}

.huggingface-icon {
  width: 20px;
  height: 20px;
}

.links a.link-btn-primary:hover,
.links a.link-btn-primary:focus-visible {
  border-color: #ffe3a0;
  background: #ffe09a;
  color: #080806;
}

.link-btn-muted {
  border-color: rgba(216, 181, 102, 0.16);
  background: rgba(216, 181, 102, 0.055);
  color: #b7ab91;
  opacity: 1;
}

.link-btn-muted:hover,
.link-btn-muted:focus-visible {
  border-color: rgba(216, 181, 102, 0.34);
  background: rgba(216, 181, 102, 0.1);
  color: #fff4d7;
  outline: 0;
  transform: none;
}

.hero-showcase {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  min-width: 0;
  animation: rise-in 0.72s 0.1s ease both;
}

.showcase-card {
  position: relative;
  overflow: hidden;
  min-height: 0;
  aspect-ratio: 16 / 9;
  border: 1px solid rgba(216, 181, 102, 0.22);
  border-radius: 8px;
  background: #0a0a08;
  color: inherit;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.32);
  text-decoration: none;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

.showcase-card-large {
  grid-column: 1 / -1;
}

.showcase-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.01);
  transition: transform 0.24s ease;
}

.showcase-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  pointer-events: none;
  transform: scale(1.01);
  transition:
    opacity 0.22s ease,
    transform 0.24s ease;
}

.showcase-card.is-playing .showcase-video {
  opacity: 1;
}

.showcase-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, transparent 44%, rgba(5, 5, 4, 0.82) 100%),
    linear-gradient(90deg, rgba(216, 181, 102, 0.12), transparent 45%);
  pointer-events: none;
}

.showcase-caption {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 12px;
  z-index: 2;
}

.showcase-caption span {
  display: block;
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  text-transform: uppercase;
}

.showcase-caption strong {
  display: block;
  margin-top: 5px;
  color: #fff7e1;
  font-size: 15px;
  line-height: 1.2;
}

.showcase-card:hover,
.showcase-card:focus-visible {
  border-color: rgba(216, 181, 102, 0.58);
  box-shadow:
    0 24px 64px rgba(0, 0, 0, 0.36),
    0 0 0 1px rgba(216, 181, 102, 0.22);
  outline: 0;
  transform: translateY(-2px);
}

.showcase-card:hover img,
.showcase-card:focus-visible img,
.showcase-card:hover .showcase-video,
.showcase-card:focus-visible .showcase-video {
  transform: scale(1.04);
}

.showcase-card-fill img,
.showcase-card-fill .showcase-video {
  object-fit: cover;
  object-position: center center;
  transform: scale(1.01);
}

.showcase-card-fill:hover img,
.showcase-card-fill:focus-visible img,
.showcase-card-fill:hover .showcase-video,
.showcase-card-fill:focus-visible .showcase-video {
  transform: scale(1.04);
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(16px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section {
  padding: 52px 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: var(--nav-height);
}

.benchmark-section {
  padding-top: 72px;
  padding-bottom: 72px;
}

.benchmark-section + .benchmark-section {
  padding-top: 82px;
}

.benchmark-section .section-copy {
  margin-bottom: 30px;
}

.section-title {
  margin-bottom: 12px;
  color: #f5ecd8;
  font-size: 34px;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.14;
  text-align: left;
}

.section-title.benchmark-title {
  max-width: 720px;
}

.section-centered .section-title,
.section-centered .section-copy,
.section-centered .media-caption {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-copy {
  max-width: 68ch;
  margin-bottom: 24px;
  color: var(--text-muted);
  font-size: 15px;
}

.section-centered .section-copy {
  max-width: 86ch;
}

#framework .section-copy {
  max-width: 86ch;
}

.figure-panel {
  margin: 0;
  overflow-x: auto;
  padding-bottom: 2px;
}

.framework-img {
  display: block;
  width: min(100%, 1120px);
  height: auto;
  margin: 0 auto;
  border: 1px solid rgba(216, 181, 102, 0.2);
  border-radius: 6px;
  background: var(--bg);
  box-shadow: none;
}

.zoomable-media {
  cursor: zoom-in;
}

.zoomable-media:hover {
  border-color: rgba(216, 181, 102, 0.42);
  box-shadow:
    var(--shadow),
    0 0 0 1px rgba(216, 181, 102, 0.12);
}

.zoomable-media:focus-visible {
  outline: 2px solid rgba(216, 181, 102, 0.72);
  outline-offset: 4px;
}

.zoomable-media.is-returning,
.zoomable-media.is-returning:hover,
.zoomable-media.is-returning:focus-visible {
  outline: 0;
  border-color: rgba(216, 181, 102, 0.2);
  box-shadow: var(--shadow);
}

.media-caption {
  margin-top: 14px;
  max-width: 86ch;
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.6;
}

.video-showcase {
  padding: 0;
}

#intelligent-video .video-showcase {
  width: min(100%, 960px);
  margin: 0 auto;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.video-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border-radius: 6px;
  background: #0d0b07;
  outline: 1px solid rgba(216, 181, 102, 0.2);
  outline-offset: -1px;
  cursor: pointer;
  transition:
    outline-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

.video-grid-edit {
  align-items: start;
}

.video-grid-edit .video-item {
  background:
    linear-gradient(180deg, rgba(255, 247, 225, 0.035), rgba(5, 5, 4, 0)),
    #050504;
}

#video-editing .video-grid-edit .video-item {
  aspect-ratio: 16 / 10;
}

#multi-round-editing .video-grid-edit .video-item {
  aspect-ratio: 976 / 416;
}

.video-item::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  z-index: 1;
  height: 34%;
  background: linear-gradient(
    180deg,
    transparent,
    rgba(5, 5, 4, 0.16) 64%,
    rgba(5, 5, 4, 0.38)
  );
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.video-item:focus-visible {
  outline: 2px solid rgba(216, 181, 102, 0.78);
  outline-offset: 2px;
}

.video-item:hover,
.video-item:focus-visible,
.video-item.is-active {
  outline-color: rgba(216, 181, 102, 0.68);
  box-shadow:
    0 0 0 1px rgba(216, 181, 102, 0.3),
    0 0 24px rgba(216, 181, 102, 0.12);
}

.video-item:hover::after,
.video-item:focus-visible::after,
.video-item.is-active::after {
  opacity: 1;
}

.video-item video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-grid-edit .video-item video {
  object-fit: contain;
  background: transparent;
}

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

.video-flow {
  gap: 6px;
  margin-bottom: 30px;
}

.video-flow-linear {
  grid-template-columns:
    minmax(0, 1fr) 18px minmax(0, 1fr) 18px minmax(0, 1fr) 18px
    minmax(0, 1fr) 18px minmax(0, 1fr);
}

.video-flow .video-item {
  overflow: visible;
}

.video-flow .video-item::after {
  display: none;
}

.video-flow .video-item video {
  border-radius: 6px;
}

.flow-arrow {
  position: relative;
  align-self: center;
  min-height: 32px;
  pointer-events: none;
}

.flow-arrow::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 8px;
  height: 1px;
  background: linear-gradient(
    90deg,
    rgba(216, 181, 102, 0.08),
    rgba(216, 181, 102, 0.86)
  );
  box-shadow: 0 0 16px rgba(216, 181, 102, 0.28);
  transform: translateY(-50%);
}

.flow-arrow::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 2px;
  width: 10px;
  height: 10px;
  border-top: 2px solid rgba(255, 247, 225, 0.9);
  border-right: 2px solid rgba(255, 247, 225, 0.9);
  filter: drop-shadow(0 0 8px rgba(216, 181, 102, 0.52));
  transform: translateY(-50%) rotate(45deg);
}

.showcase-card[href="#video-editing"] img,
.showcase-card[href="#video-editing"] .showcase-video {
  background: #050504;
}

.video-prompt {
  position: absolute;
  left: 50%;
  right: auto;
  bottom: 14px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: max-content;
  max-width: calc(100% - 32px);
  border: 1px solid rgba(216, 181, 102, 0.22);
  border-radius: 999px;
  background:
    linear-gradient(180deg, rgba(18, 17, 13, 0.68), rgba(7, 7, 6, 0.56)),
    rgba(7, 7, 6, 0.56);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow:
    0 8px 20px rgba(0, 0, 0, 0.22),
    inset 0 1px 0 rgba(255, 247, 225, 0.08);
  color: #fff7e1;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.28;
  opacity: 0;
  overflow-wrap: anywhere;
  padding: 7px 13px;
  text-align: center;
  transform: translate(-50%, 10px);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

.video-item:hover .video-prompt,
.video-item:focus-visible .video-prompt,
.video-item.is-active .video-prompt {
  opacity: 1;
  transform: translate(-50%, 0);
}

.video-item.is-returning,
.video-item.is-returning:hover,
.video-item.is-returning:focus-visible,
.video-item.is-returning.is-active {
  outline-color: rgba(216, 181, 102, 0.2);
  box-shadow: none;
}

.video-item.is-returning::after,
.video-item.is-returning:hover::after,
.video-item.is-returning:focus-visible::after,
.video-item.is-returning.is-active::after {
  opacity: 0;
}

.video-item.is-returning .video-prompt,
.video-item.is-returning:hover .video-prompt,
.video-item.is-returning:focus-visible .video-prompt,
.video-item.is-returning.is-active .video-prompt {
  opacity: 0;
  transform: translate(-50%, 10px);
}

.video-flow .video-prompt,
.video-flow .video-item:hover .video-prompt,
.video-flow .video-item:focus-visible .video-prompt,
.video-flow .video-item.is-active .video-prompt {
  top: calc(100% + 8px);
  bottom: auto;
  border: 0;
  background: transparent;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
  box-shadow: none;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  opacity: 1;
  padding: 0;
  transform: translateX(-50%);
}

.scroll-zoom-img-wrapper {
  margin: 0;
}

.scroll-zoom-img {
  width: min(100%, 980px);
  height: auto;
  margin: 0 auto;
  border: 1px solid rgba(216, 181, 102, 0.2);
  border-radius: 6px;
  background: #0d0b07;
  box-shadow: var(--shadow);
}

.section-image-editing {
  background:
    radial-gradient(
      circle at 82% 20%,
      rgba(216, 181, 102, 0.075),
      transparent 34%
    ),
    linear-gradient(180deg, rgba(255, 247, 225, 0.015), transparent 62%);
}

.image-editing-panel {
  position: relative;
  width: min(100%, 980px);
  margin: 0 auto;
}

.image-editing-img {
  width: 100%;
  height: auto;
  margin: 0 auto;
  border: 1px solid rgba(216, 181, 102, 0.2);
  border-radius: 6px;
  background: #0d0b07;
  box-shadow: var(--shadow);
}

.section-understanding {
  background:
    radial-gradient(
      circle at 14% 22%,
      rgba(216, 181, 102, 0.08),
      transparent 32%
    ),
    linear-gradient(180deg, rgba(255, 247, 225, 0.018), transparent 55%);
}

.understanding-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  width: min(100%, 1060px);
  margin: 0 auto;
}

@media (min-width: 921px) {
  .understanding-grid {
    width: min(calc(100% - 48px), 1060px);
  }
}

.understanding-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(190px, 0.86fr) minmax(0, 1fr);
  overflow: hidden;
  min-height: 248px;
  border: 1px solid rgba(216, 181, 102, 0.16);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 247, 225, 0.05), rgba(255, 247, 225, 0)),
    rgba(13, 12, 9, 0.92);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.25);
  cursor: pointer;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

.understanding-card:hover,
.understanding-card:focus-visible {
  border-color: rgba(216, 181, 102, 0.52);
  box-shadow:
    0 20px 48px rgba(0, 0, 0, 0.32),
    0 0 0 1px rgba(216, 181, 102, 0.18);
  outline: 0;
  transform: translateY(-1px);
}

.understanding-card.is-returning,
.understanding-card.is-returning:hover,
.understanding-card.is-returning:focus-visible {
  border-color: rgba(216, 181, 102, 0.16);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.25);
  outline: 0;
  transform: none;
}

.understanding-visual {
  display: grid;
  place-items: center;
  min-height: 248px;
  border-right: 1px solid rgba(216, 181, 102, 0.14);
  background:
    linear-gradient(180deg, rgba(248, 246, 241, 0.96), rgba(231, 226, 214, 0.96));
}

.understanding-img {
  width: 100%;
  height: 100%;
  max-height: 300px;
  padding: 12px;
  object-fit: contain;
  background: transparent;
}

.understanding-img.zoomable-media:hover {
  box-shadow: none;
}

.understanding-body {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 14px;
  padding: 18px 18px 16px;
  text-align: left;
}

.understanding-question {
  color: #fff8e8;
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 19px;
  font-weight: 650;
  letter-spacing: 0;
  line-height: 1.28;
}

.understanding-answer {
  margin-top: auto;
  border-top: 1px solid rgba(216, 181, 102, 0.14);
  padding-top: 13px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.55;
}

.understanding-answer span {
  display: block;
  margin-bottom: 3px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
}

.section-video-understanding {
  background:
    radial-gradient(
      circle at 86% 18%,
      rgba(216, 181, 102, 0.085),
      transparent 34%
    ),
    linear-gradient(180deg, rgba(255, 247, 225, 0.016), transparent 58%);
}

.video-understanding-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  width: min(100%, 1060px);
  margin: 0 auto;
}

@media (min-width: 981px) {
  .video-understanding-grid {
    width: min(calc(100% - 48px), 1060px);
  }
}

.video-understanding-card {
  display: flex;
  min-width: 0;
  overflow: hidden;
  flex-direction: column;
  border: 1px solid rgba(216, 181, 102, 0.16);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 247, 225, 0.048), rgba(255, 247, 225, 0)),
    rgba(13, 12, 9, 0.92);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.25);
  cursor: pointer;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

.video-understanding-card:hover,
.video-understanding-card:focus-visible,
.video-understanding-card.is-active {
  border-color: rgba(216, 181, 102, 0.52);
  box-shadow:
    0 20px 48px rgba(0, 0, 0, 0.32),
    0 0 0 1px rgba(216, 181, 102, 0.18);
  outline: 0;
  transform: translateY(-1px);
}

.video-understanding-card.is-returning,
.video-understanding-card.is-returning:hover,
.video-understanding-card.is-returning:focus-visible,
.video-understanding-card.is-returning.is-active {
  border-color: rgba(216, 181, 102, 0.16);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.25);
  outline: 0;
  transform: none;
}

.video-understanding-media.video-item {
  width: 100%;
  border-radius: 8px 8px 0 0;
  background:
    linear-gradient(180deg, rgba(255, 247, 225, 0.035), rgba(5, 5, 4, 0)),
    #050504;
  outline: 0;
  outline-offset: 0;
}

.video-understanding-media.video-item:hover,
.video-understanding-media.video-item:focus-visible,
.video-understanding-media.video-item.is-active {
  box-shadow: none;
  outline: 0;
}

.video-understanding-media.video-item video {
  object-fit: contain;
  background: #050504;
}

.video-understanding-play {
  position: absolute;
  right: 12px;
  bottom: 12px;
  z-index: 3;
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid rgba(255, 247, 225, 0.28);
  border-radius: 50%;
  background: rgba(7, 7, 6, 0.58);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.24);
  opacity: 0.82;
  pointer-events: none;
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

.video-understanding-play::before {
  content: "";
  width: 0;
  height: 0;
  margin-left: 3px;
  border-top: 7px solid transparent;
  border-bottom: 7px solid transparent;
  border-left: 11px solid #fff7e1;
}

.video-understanding-media:hover .video-understanding-play,
.video-understanding-media:focus-visible .video-understanding-play,
.video-understanding-media.is-active .video-understanding-play,
.video-understanding-card.is-active .video-understanding-play {
  opacity: 0;
  transform: scale(0.92);
}

.video-understanding-body {
  display: flex;
  flex: 1;
  min-width: 0;
  flex-direction: column;
  gap: 8px;
  padding: 15px 16px 16px;
  text-align: left;
}

.video-understanding-meta {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  color: rgba(255, 247, 225, 0.58);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
}

.video-understanding-field {
  margin-top: auto;
  border-top: 1px solid rgba(216, 181, 102, 0.14);
  padding-top: 10px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
}

.video-understanding-caption-answer-label {
  margin-top: auto;
}

.video-understanding-primary {
  color: #fff8e8;
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 17px;
  font-weight: 650;
  letter-spacing: 0;
  line-height: 1.28;
}

.video-understanding-answer {
  color: var(--text-muted);
  font-size: 13.5px;
  line-height: 1.5;
}

.table-hint {
  display: none;
  margin: -10px auto 12px;
  color: var(--text-dim);
  font-size: 12px;
  text-align: center;
}

.benchmark-overview-section {
  padding-bottom: 48px;
}

.benchmark-overview-section + .benchmark-section {
  padding-top: 56px;
}

.benchmark-radar {
  width: min(100%, 920px);
  margin: 6px auto 0;
}

.benchmark-radar-frame {
  overflow-x: auto;
  padding: 0;
  border: 0;
  border-radius: 6px;
  background: transparent;
  box-shadow: none;
  scrollbar-color: rgba(216, 181, 102, 0.55) rgba(255, 255, 255, 0.05);
}

.benchmark-radar-img {
  display: block;
  width: 100%;
  min-width: 680px;
  height: auto;
  border: 1px solid rgba(216, 181, 102, 0.2);
  border-radius: 6px;
  background: var(--bg);
}

.benchmark-container {
  overflow-x: auto;
  position: relative;
  border: 1px solid rgba(216, 181, 102, 0.15);
  border-radius: 6px;
  background: linear-gradient(180deg, rgba(14, 13, 10, 0.9), rgba(8, 8, 6, 0.9));
  box-shadow: 0 22px 58px rgba(0, 0, 0, 0.3);
  overscroll-behavior-x: contain;
  scrollbar-width: none;
}

.benchmark-container::-webkit-scrollbar {
  width: 0;
  height: 0;
}

.benchmark-container.score-container {
  max-width: 760px;
  margin: 0 auto;
}

.benchmark-table {
  width: 100%;
  min-width: 980px;
  border-collapse: separate;
  border-spacing: 0;
  color: #e7dfcf;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.benchmark-table.compact-table {
  min-width: 1100px;
  font-size: 11.5px;
}

.benchmark-table.compact-table th,
.benchmark-table.compact-table td {
  padding: 8px 6px;
}

.benchmark-table.compact-table th:nth-child(2) {
  width: 160px;
}

.benchmark-table.compact-table th:nth-child(3) {
  width: 72px;
}

.benchmark-table.compact-table th:last-child {
  width: 76px;
}

.benchmark-table.mvbench-table,
.benchmark-table.vbench-table {
  min-width: 1720px;
  font-size: 10.8px;
}

.benchmark-table.mvbench-table th,
.benchmark-table.mvbench-table td,
.benchmark-table.vbench-table th,
.benchmark-table.vbench-table td {
  padding-right: 6px;
  padding-left: 6px;
}

.benchmark-table.mvbench-table th:first-child,
.benchmark-table.mvbench-table td:first-child,
.benchmark-table.vbench-table th:first-child,
.benchmark-table.vbench-table td:first-child {
  min-width: 150px;
}

.benchmark-table.highlight-metric-table th:nth-child(3),
.benchmark-table.highlight-metric-table td:nth-child(3) {
  position: sticky;
  left: calc(var(--summary-model-col, 188px) + var(--summary-param-col, 88px));
  z-index: 3;
  min-width: 82px;
  color: #fff3cc;
  box-shadow: 10px 0 18px -18px rgba(216, 181, 102, 0.8);
}

.benchmark-table.vbench-table.highlight-metric-table th:nth-child(3),
.benchmark-table.vbench-table.highlight-metric-table td:nth-child(3) {
  width: 118px;
  min-width: 118px;
}

.benchmark-table.highlight-metric-table th:nth-child(2),
.benchmark-table.highlight-metric-table td:nth-child(2) {
  position: sticky;
  left: var(--summary-model-col, 188px);
  z-index: 3;
}

.benchmark-table.highlight-metric-table th:nth-child(3) {
  z-index: 5;
  font-size: 1.08em;
}

.benchmark-table.highlight-metric-table th:nth-child(2) {
  z-index: 5;
}

.benchmark-table.highlight-metric-table td:nth-child(3) {
  font-size: 1.16em;
}

.benchmark-table.highlight-metric-table .ours-row td:nth-child(3) {
  font-size: 1.2em;
  color: #f0ce7a;
}

.metric-frame-layer {
  position: relative;
}

.metric-column-frame {
  position: absolute;
  z-index: 8;
  pointer-events: none;
  border: 2px solid rgba(240, 206, 122, 0.76);
  border-radius: 10px;
  background: transparent;
  box-shadow:
    0 0 0 1px rgba(7, 7, 5, 0.72),
    0 20px 42px rgba(0, 0, 0, 0.28),
    0 0 24px rgba(216, 181, 102, 0.16);
}

.benchmark-table.score-table {
  min-width: 620px;
  font-size: 12px;
}

.benchmark-table th,
.benchmark-table td {
  border-bottom: 1px solid rgba(242, 236, 220, 0.065);
  border-right: 0;
  padding: 9px 12px;
  text-align: center;
  white-space: nowrap;
}

.benchmark-table th {
  position: sticky;
  top: 0;
  z-index: 4;
  border-bottom-color: rgba(216, 181, 102, 0.16);
  background: rgba(21, 19, 14, 0.96);
  color: #fff7e1;
  font-weight: 700;
}

.benchmark-table td {
  background: rgba(9, 9, 7, 0.72);
}

.benchmark-table tbody tr:not(.table-group-row):nth-child(even) td {
  background: rgba(17, 16, 12, 0.58);
}

.benchmark-table tbody tr:not(.table-group-row):hover td {
  background: rgba(216, 181, 102, 0.075);
}

.benchmark-table th:first-child,
.benchmark-table td:first-child {
  position: sticky;
  left: 0;
  z-index: 3;
  min-width: 188px;
  text-align: left;
  box-shadow: 10px 0 22px -22px rgba(216, 181, 102, 0.65);
}

.benchmark-table th:first-child {
  z-index: 5;
}

.benchmark-table th:nth-child(2),
.benchmark-table td:nth-child(2) {
  min-width: 88px;
}

.benchmark-table.compact-table th:first-child,
.benchmark-table.compact-table td:first-child {
  min-width: 172px;
}

.benchmark-table.compact-table.mvbench-table th:first-child,
.benchmark-table.compact-table.mvbench-table td:first-child,
.benchmark-table.compact-table.vbench-table th:first-child,
.benchmark-table.compact-table.vbench-table td:first-child {
  width: 220px;
  min-width: 220px;
  max-width: 220px;
}

.benchmark-table.compact-table.mvbench-table th:nth-child(2),
.benchmark-table.compact-table.mvbench-table td:nth-child(2),
.benchmark-table.compact-table.vbench-table th:nth-child(2),
.benchmark-table.compact-table.vbench-table td:nth-child(2) {
  width: 112px;
  min-width: 112px;
  max-width: 112px;
}

.table-group-row td {
  position: static !important;
  border-top: 1px solid rgba(216, 181, 102, 0.2);
  border-bottom: 1px solid rgba(216, 181, 102, 0.1);
  background: rgba(216, 181, 102, 0.035) !important;
  color: #a99c82;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0;
  text-align: center !important;
}

.table-group-row td span {
  position: sticky;
  left: 0;
  display: block;
  width: 100%;
  max-width: calc(100vw - 34px);
  text-align: center;
}

.benchmark-table.highlight-metric-table .table-group-row td span {
  left: calc(
    var(--summary-model-col, 188px) + var(--summary-param-col, 88px) +
      var(--summary-highlight-col, 82px) + 28px
  );
  width: calc(
    100vw - var(--summary-model-col, 188px) - var(--summary-param-col, 88px) -
      var(--summary-highlight-col, 82px) - 108px
  );
  max-width: 760px;
}

.best-score {
  color: #f0ce7a;
  font-weight: 700;
}

.second-score {
  text-decoration: underline;
  text-decoration-color: rgba(240, 206, 122, 0.82);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.benchmark-table .ours-row td {
  border-top: 1px solid rgba(216, 181, 102, 0.3);
  border-bottom: 1px solid rgba(216, 181, 102, 0.3);
  background: rgba(216, 181, 102, 0.12) !important;
  color: #fff7e1;
  font-weight: 700;
}

.benchmark-table .ours-row td.best-score {
  color: #f0ce7a;
  font-weight: 700;
}

.benchmark-table .ours-row td.second-score {
  color: #fff7e1;
  text-decoration: underline;
  text-decoration-color: rgba(240, 206, 122, 0.82);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.benchmark-table th:first-child {
  background: #15130e;
}

.benchmark-table td:first-child {
  background: #090907;
}

.benchmark-table tbody tr:not(.table-group-row):nth-child(even) td:first-child {
  background: #11100c;
}

.benchmark-table tbody tr:not(.table-group-row):hover td:first-child {
  background: #17140d;
}

.benchmark-table .ours-row td:first-child {
  background: #292313 !important;
}

.benchmark-table.highlight-metric-table th:first-child,
.benchmark-table.highlight-metric-table th:nth-child(2),
.benchmark-table.highlight-metric-table th:nth-child(3) {
  background: #15130e;
}

.benchmark-table.highlight-metric-table td:first-child,
.benchmark-table.highlight-metric-table td:nth-child(2),
.benchmark-table.highlight-metric-table td:nth-child(3) {
  background: #090907;
}

.benchmark-table.highlight-metric-table tbody tr:not(.table-group-row):nth-child(even) td:first-child,
.benchmark-table.highlight-metric-table tbody tr:not(.table-group-row):nth-child(even) td:nth-child(2),
.benchmark-table.highlight-metric-table tbody tr:not(.table-group-row):nth-child(even) td:nth-child(3) {
  background: #11100c;
}

.benchmark-table.highlight-metric-table tbody tr:not(.table-group-row):hover td:first-child,
.benchmark-table.highlight-metric-table tbody tr:not(.table-group-row):hover td:nth-child(2),
.benchmark-table.highlight-metric-table tbody tr:not(.table-group-row):hover td:nth-child(3) {
  background: #17140d;
}

.benchmark-table.highlight-metric-table .ours-row td:first-child,
.benchmark-table.highlight-metric-table .ours-row td:nth-child(2),
.benchmark-table.highlight-metric-table .ours-row td:nth-child(3) {
  background: #292313 !important;
}

.citation-card {
  position: relative;
  padding: 0;
}

.copy-citation-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(216, 181, 102, 0.26);
  border-radius: 8px;
  background: rgba(7, 7, 6, 0.78);
  color: var(--text-muted);
  cursor: pointer;
  transition:
    border-color 0.2s ease,
    background 0.2s ease,
    color 0.2s ease,
    transform 0.2s ease;
}

.copy-citation-btn:hover,
.copy-citation-btn:focus-visible {
  border-color: rgba(216, 181, 102, 0.58);
  background: rgba(216, 181, 102, 0.1);
  color: #fff7e1;
  outline: 0;
  transform: translateY(-1px);
}

.copy-citation-btn .check-icon {
  display: none;
}

.copy-citation-btn.is-copied {
  border-color: rgba(216, 181, 102, 0.64);
  color: var(--accent);
}

.copy-citation-btn.is-copied .copy-icon {
  display: none;
}

.copy-citation-btn.is-copied .check-icon {
  display: block;
}

.citation-block {
  overflow-x: auto;
  margin: 0;
  border: 0;
  border-left: 2px solid rgba(216, 181, 102, 0.34);
  background: rgba(255, 255, 255, 0.025);
  color: #e7dfcf;
  padding: 16px 58px 16px 18px;
  font-family:
    ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
    monospace;
  font-size: 12px;
  line-height: 1.65;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.citation-block code {
  font-family: inherit;
  white-space: inherit;
}

.video-lightbox {
  --media-aspect: 16 / 9;
  --lightbox-caption-space: 86px;
  position: fixed;
  inset: 50% auto auto 50%;
  width: min(
    1120px,
    calc(100vw - 48px),
    calc((100dvh - var(--lightbox-caption-space) - 48px) * var(--media-aspect))
  );
  max-width: none;
  max-height: calc(100dvh - 48px);
  margin: 0;
  border: 0;
  padding: 0;
  background: transparent;
  color: inherit;
  overflow: visible;
  transform: translate(-50%, -50%);
}

.video-lightbox.has-qa-details {
  --lightbox-caption-space: clamp(220px, 34dvh, 360px);
}

.video-lightbox::backdrop {
  background: rgba(3, 3, 2, 0.82);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.video-lightbox-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  max-height: calc(100dvh - 48px);
  border: 1px solid rgba(216, 181, 102, 0.24);
  border-radius: 8px;
  background: #080806;
  box-shadow: 0 36px 110px rgba(0, 0, 0, 0.62);
  transform-origin: top left;
  will-change: transform, opacity;
}

.video-lightbox-media,
.image-lightbox-media {
  display: block;
  flex: 0 0 auto;
  width: 100%;
  height: auto;
  max-height: none;
  min-height: 0;
  margin: 0 auto;
  background: #030302;
  aspect-ratio: var(--media-aspect);
  object-fit: contain;
  object-position: center;
}

.video-lightbox-media[hidden],
.image-lightbox-media[hidden] {
  display: none;
}

.video-lightbox-caption {
  display: grid;
  justify-items: center;
  gap: 5px;
  border-top: 1px solid rgba(216, 181, 102, 0.18);
  padding: 14px 16px 16px;
  text-align: center;
}

.video-lightbox-caption span {
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.video-lightbox-caption h3 {
  color: #fff7e1;
  font-size: 16px;
  line-height: 1.25;
  text-align: center;
}

.video-lightbox.has-qa-details .video-lightbox-caption {
  justify-items: stretch;
  max-height: var(--lightbox-caption-space);
  overflow-y: auto;
  padding: 18px clamp(18px, 3vw, 40px) 20px;
  text-align: left;
  scrollbar-color: rgba(216, 181, 102, 0.55) rgba(255, 255, 255, 0.05);
}

.video-lightbox.has-qa-details .video-lightbox-caption > span,
.video-lightbox.has-qa-details .video-lightbox-caption > h3,
.video-lightbox-details {
  display: grid;
  width: 100%;
  min-width: 0;
  text-align: left;
}

.video-lightbox.has-qa-details .video-lightbox-caption > span,
.video-lightbox.has-qa-details .video-lightbox-caption > h3 {
  justify-self: stretch;
  text-align: center;
}

.video-lightbox.has-qa-details .video-lightbox-caption > h3 {
  margin-top: 4px;
}

.video-lightbox-details {
  margin-top: 14px;
  gap: 12px;
}

.video-lightbox-details[hidden] {
  display: none;
}

.video-lightbox-detail-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 5px;
  border-top: 1px solid rgba(216, 181, 102, 0.14);
  padding-top: 10px;
}

.video-lightbox-detail-block span {
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
}

.video-lightbox-detail-block p {
  width: 100%;
  max-width: none;
  min-width: 0;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.55;
  white-space: pre-line;
}

.video-lightbox-close {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 1px solid rgba(255, 247, 225, 0.14);
  border-radius: 50%;
  background: rgba(7, 7, 6, 0.4);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  box-shadow: 0 5px 16px rgba(0, 0, 0, 0.18);
  color: rgba(255, 247, 225, 0.78);
  cursor: pointer;
  opacity: 0.64;
  transition:
    border-color 0.2s ease,
    background 0.2s ease,
    box-shadow 0.2s ease,
    color 0.2s ease,
    opacity 0.2s ease,
    transform 0.2s ease;
}

.video-lightbox-close svg {
  width: 16px;
  height: 16px;
}

.video-lightbox-panel:hover .video-lightbox-close {
  opacity: 0.78;
}

.video-lightbox-close:hover {
  border-color: rgba(255, 247, 225, 0.3);
  background: rgba(7, 7, 6, 0.68);
  box-shadow:
    0 8px 22px rgba(0, 0, 0, 0.28),
    0 0 0 1px rgba(255, 247, 225, 0.08);
  color: #fff7e1;
  outline: 0;
  opacity: 1;
  transform: none;
}

.video-lightbox-close:focus-visible {
  border-color: rgba(242, 208, 128, 0.68);
  background: rgba(7, 7, 6, 0.72);
  color: #fff7e1;
  outline: 2px solid rgba(242, 208, 128, 0.74);
  outline-offset: 3px;
  opacity: 1;
}

footer {
  border-top: 1px solid rgba(140, 159, 188, 0.16);
  padding: 34px 0 42px;
  color: var(--text-dim);
  font-size: 13px;
  text-align: center;
}

footer a {
  color: var(--accent);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

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

@media (hover: none) {
  .video-item::after,
  .video-prompt {
    opacity: 1;
  }

  .video-prompt {
    transform: translateX(-50%);
  }

  .video-lightbox-close,
  .video-lightbox-close:hover,
  .video-lightbox-close:focus-visible {
    border-color: rgba(255, 247, 225, 0.16);
    background: rgba(7, 7, 6, 0.58);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.22);
    color: rgba(255, 247, 225, 0.84);
    outline: 0;
    opacity: 0.84;
  }
}

@media (min-width: 981px) and (max-width: 1160px) {
  .hero-layout {
    grid-template-columns: minmax(0, 1.02fr) minmax(340px, 0.74fr);
    gap: clamp(28px, 3.7vw, 44px);
  }

  .hero-copy {
    max-width: 650px;
  }

  .title {
    max-width: 660px;
    margin-bottom: 16px;
    font-size: clamp(42px, 4.1vw, 48px);
    line-height: 1.07;
  }

  .authors {
    font-size: 13.5px;
  }

  .hero-summary {
    max-width: 55ch;
    font-size: 15.5px;
  }
}

@media (max-width: 980px) {
  .nav-inner {
    gap: 14px;
  }

  .nav-links {
    min-width: 0;
    justify-content: flex-start;
    overflow-x: auto;
    overflow-y: hidden;
    padding-right: 24px;
    -webkit-mask-image: linear-gradient(
      90deg,
      #000 0%,
      #000 86%,
      transparent 100%
    );
    mask-image: linear-gradient(90deg, #000 0%, #000 86%, transparent 100%);
  }

  .nav-submenu {
    display: none;
  }

  .hero {
    min-height: auto;
    padding: 52px 0 44px;
  }

  .hero::before {
    background: linear-gradient(
      180deg,
      rgba(7, 7, 6, 0.94) 0%,
      rgba(7, 7, 6, 0.84) 58%,
      rgba(7, 7, 6, 0.48) 100%
    );
  }

  .hero-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .title {
    max-width: 520px;
    font-size: 46px;
  }

  .hero-copy {
    max-width: 780px;
  }

  .hero-showcase {
    max-width: 680px;
  }

  .section {
    padding: 46px 0;
  }

  .section-title {
    font-size: 32px;
  }

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

  .understanding-grid {
    grid-template-columns: 1fr;
    max-width: 760px;
  }

  .video-understanding-grid {
    grid-template-columns: 1fr;
    max-width: 760px;
  }

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

  .video-flow-linear {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .video-flow .video-item {
    overflow: hidden;
  }

  .video-flow .video-item::after {
    display: block;
    opacity: 1;
  }

  .video-flow .video-prompt,
  .video-flow .video-item:hover .video-prompt,
  .video-flow .video-item:focus-visible .video-prompt,
  .video-flow .video-item.is-active .video-prompt {
    top: auto;
    bottom: 8px;
    max-width: calc(100% - 16px);
    border: 1px solid rgba(216, 181, 102, 0.18);
    background:
      linear-gradient(180deg, rgba(18, 17, 13, 0.58), rgba(7, 7, 6, 0.5)),
      rgba(7, 7, 6, 0.48);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
    color: #fff7e1;
    font-size: 11px;
    line-height: 1.18;
    padding: 5px 8px;
    transform: translate(-50%, 0);
  }

  .flow-arrow {
    display: none;
  }
}

@media (max-width: 640px) {
  :root {
    --nav-height: 54px;
  }

  .container {
    width: min(100% - 32px, var(--container));
  }

  .nav-inner {
    min-height: var(--nav-height);
    overflow: hidden;
  }

  .nav-brand {
    font-size: 21px;
  }

  .nav-logo {
    height: 30px;
  }

  .nav-link {
    padding: 7px 2px 10px;
    font-size: 12px;
  }

  .hero {
    padding-top: 34px;
    padding-bottom: 36px;
  }

  .title {
    font-size: 30px;
    line-height: 1.08;
    overflow-wrap: anywhere;
  }

  .title-keep {
    white-space: normal;
  }

  .authors {
    font-size: 14px;
  }

  .authors-line,
  .authors-line-secondary span,
  .affiliation,
  .hero-summary {
    max-width: 100%;
    overflow-wrap: anywhere;
  }

  .authors-line > strong,
  .author-link {
    white-space: normal;
  }

  .hero-summary {
    font-size: 16px;
  }

  .hero-showcase {
    gap: 8px;
  }

  .showcase-caption {
    left: 9px;
    right: 9px;
    bottom: 9px;
  }

  .showcase-caption span {
    font-size: 10px;
  }

  .showcase-caption strong {
    font-size: 12px;
  }

  .section {
    padding: 36px 0;
  }

  .section-title {
    font-size: 28px;
  }

  .section-copy {
    margin-bottom: 20px;
  }

  .figure-panel {
    overflow-x: visible;
    margin-right: 0;
    padding-right: 0;
  }

  .framework-img {
    width: 100%;
    min-width: 0;
  }

  .benchmark-radar-frame {
    overflow-x: visible;
  }

  .benchmark-radar-img {
    width: 100%;
    min-width: 0;
  }

  .understanding-card {
    grid-template-columns: 1fr;
  }

  .understanding-visual {
    min-height: 220px;
    border-right: 0;
    border-bottom: 1px solid rgba(216, 181, 102, 0.14);
  }

  .understanding-img {
    max-height: 260px;
  }

  .understanding-body {
    padding: 15px 15px 16px;
  }

  .understanding-question {
    font-size: 17px;
  }

  .video-understanding-grid {
    gap: 12px;
  }

  .video-understanding-body {
    gap: 7px;
    padding: 14px 14px 15px;
  }

  .video-understanding-meta,
  .video-understanding-field {
    font-size: 10.5px;
  }

  .video-understanding-primary {
    font-size: 16px;
    line-height: 1.3;
  }

  .video-understanding-answer {
    font-size: 13px;
    line-height: 1.45;
  }

  .citation-card {
    padding: 12px;
  }

  .video-lightbox {
    width: min(
      calc(100vw - 24px),
      1120px,
      calc((100dvh - var(--lightbox-caption-space) - 24px) * var(--media-aspect))
    );
    max-height: calc(100dvh - 24px);
  }

  .video-lightbox-panel {
    max-height: calc(100dvh - 24px);
  }

  .video-lightbox-close {
    width: 44px;
    height: 44px;
  }

  .video-lightbox.is-image-mode {
    inset: 8px auto auto 8px;
    width: calc(100vw - 16px);
    height: auto;
    max-height: calc(100vh - 16px);
    max-height: calc(100dvh - 16px);
    transform: none;
  }

  .video-lightbox.is-image-mode .video-lightbox-panel {
    align-items: center;
    height: auto;
    max-height: calc(100vh - 16px);
    max-height: calc(100dvh - 16px);
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .video-lightbox.is-image-mode .video-lightbox-close {
    position: sticky;
    top: 8px;
    right: auto;
    flex: 0 0 auto;
    align-self: flex-end;
    margin: 8px 8px 8px auto;
  }

  .video-lightbox.is-image-mode .image-lightbox-media {
    width: 100%;
    max-width: 100%;
    height: auto;
    aspect-ratio: auto;
  }

  .video-lightbox.is-image-mode .video-lightbox-caption {
    position: sticky;
    bottom: 0;
    z-index: 2;
    display: flex;
    justify-content: center;
    width: 100%;
    min-height: 44px;
    padding: 9px 56px 9px 14px;
    background: rgba(8, 8, 6, 0.88);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
  }

  .video-lightbox.is-image-mode .video-lightbox-caption h3 {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    clip-path: inset(50%);
    white-space: nowrap;
  }

  .video-lightbox.has-qa-details .video-lightbox-caption,
  .video-lightbox.has-qa-details.is-image-mode .video-lightbox-caption {
    display: grid;
    justify-content: stretch;
    max-height: min(42dvh, 360px);
    padding: 12px 14px 14px;
    overflow-y: auto;
    text-align: left;
  }

  .video-lightbox.has-qa-details.is-image-mode .video-lightbox-caption h3 {
    position: static;
    width: auto;
    height: auto;
    margin-top: 6px;
    overflow: visible;
    clip: auto;
    clip-path: none;
    white-space: normal;
  }

  .video-lightbox-detail-block p {
    font-size: 13px;
    line-height: 1.48;
  }

  .video-lightbox-caption {
    display: grid;
  }

  .video-lightbox-caption h3 {
    margin-top: 6px;
    text-align: center;
  }

  .video-grid {
    gap: 8px;
  }

  .video-prompt {
    left: 50%;
    right: auto;
    bottom: 7px;
    max-width: calc(100% - 14px);
    font-size: 10px;
    line-height: 1.12;
    padding: 4px 8px;
    white-space: nowrap;
  }

  .video-flow .video-prompt,
  .video-flow .video-item:hover .video-prompt,
  .video-flow .video-item:focus-visible .video-prompt,
  .video-flow .video-item.is-active .video-prompt {
    top: auto;
    bottom: 7px;
    max-width: calc(100% - 14px);
    font-size: 10px;
    line-height: 1.12;
    padding: 4px 8px;
    transform: translate(-50%, 0);
  }

  .table-hint {
    display: block;
  }

  .benchmark-table {
    min-width: 900px;
  }

  .benchmark-table th:first-child,
  .benchmark-table td:first-child {
    min-width: 160px;
  }

  .benchmark-table.score-table {
    min-width: 600px;
  }

  .benchmark-table.highlight-metric-table th:nth-child(2),
  .benchmark-table.highlight-metric-table td:nth-child(2),
  .benchmark-table.highlight-metric-table th:nth-child(3),
  .benchmark-table.highlight-metric-table td:nth-child(3) {
    position: static;
    left: auto;
    z-index: auto;
    box-shadow: none;
  }

  .benchmark-table.highlight-metric-table .table-group-row td span {
    left: 0;
    width: 100%;
    max-width: calc(100vw - 34px);
  }

  .metric-column-frame {
    display: none;
  }

}

@media (max-width: 360px) {
  #multi-round-editing .video-flow-linear {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}