.context-hub {
  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-sans);
}
.context-hub a {
  color: inherit;
  text-decoration: none;
}
.context-hub button,
.context-hub input {
  font: inherit;
}
.context-hub a:focus-visible,
.context-hub button:focus-visible,
.context-hub input:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 5px;
}
.context-hub [hidden] {
  display: none !important;
}
.topbar {
  height: 84px;
  display: flex;
  align-items: center;
  gap: 22px;
  max-width: 1320px;
  padding: 0 48px;
  margin: auto;
  border-bottom: 1px solid var(--border);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 21px;
  letter-spacing: -0.7px;
}
.brand img {
  border-radius: 7px;
}
.divider {
  height: 20px;
  width: 1px;
  background: var(--border);
}
.hub-name {
  font-size: 14px;
  color: var(--muted-foreground) !important;
}
.topbar nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 13px;
}
.website {
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.hub-main,
.detail-main {
  max-width: 1224px;
  margin: auto;
  padding: 0 24px;
}
.intro {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 64px 0 48px;
}
.kicker {
  font-size: 10px;
  letter-spacing: 1.9px;
  font-weight: 600;
  color: var(--muted-foreground);
}
.blue-line {
  display: inline-block;
  width: 22px;
  height: 2px;
  background: var(--brand);
  vertical-align: middle;
  margin-right: 9px;
}
.intro h1 {
  font-size: clamp(38px, 4vw, 56px);
  line-height: 1.3;
  letter-spacing: -2px;
  margin: 23px 0 20px;
  font-weight: 600;
}
.intro h1 span {
  color: var(--brand);
}
.intro p {
  color: var(--muted-foreground);
  font-size: 14px;
  line-height: 1.9;
}
.intro-note {
  padding: 0 60px 0 38px;
  border-left: 1px solid var(--border);
}
.note-mark {
  font-family: Georgia, serif;
  color: var(--brand);
  font-size: 58px;
  line-height: 1;
}
.intro-note p {
  color: var(--foreground);
  font-size: 19px;
  letter-spacing: 1px;
  margin-bottom: 24px;
}
.small {
  font-size: 11px;
  color: var(--muted-foreground);
  letter-spacing: 1px;
}
.featured {
  display: grid;
  grid-template-columns: 1.28fr 1fr;
  background: var(--professional-light);
  border-radius: 14px;
  overflow: hidden;
}
.feature-photo {
  position: relative;
  min-height: 405px;
  overflow: hidden;
}
.scene {
  background-repeat: no-repeat;
  background-size: cover;
  width: 100%;
  height: 230px;
  transition: filter 0.2s;
}
.scene.embodied-intelligence {
  background-image: url("https://download.younavi.me/younavi_home/hub/20261015/reference-03.jpg");
  background-position: center 17%;
}
.scene.enterprise-ai {
  background-image: url("https://download.younavi.me/younavi_home/hub/20261015/reference-02.jpg");
  background-position: center 5%;
}
.scene.aigc-awards {
  background-image: url("https://download.younavi.me/younavi_home/hub/20261015/reference-01.jpg");
  background-position: center 9%;
}
.scene.own-your-story {
  background-image: url("https://download.younavi.me/younavi_home/hub/20261015/reference-04.png");
  background-position: center 15%;
}
.feature-photo .scene {
  height: 100%;
  position: absolute;
  background-size: 200% auto;
  background-position: 1% 16.8%;
}
.photo-label {
  position: absolute;
  bottom: 20px;
  left: 22px;
  color: white;
  background: rgba(0, 0, 0, 0.65);
  padding: 8px 12px;
  border-radius: 5px;
  font-size: 10px;
  letter-spacing: 0.8px;
}
.feature-copy {
  padding: 35px 38px;
}
.eyebrow {
  color: var(--brand);
  font-size: 11px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 14px;
}
.eyebrow span {
  font-weight: 400;
  color: var(--muted-foreground);
}
.feature-copy h2 {
  font-size: 31px;
  line-height: 1.45;
  font-weight: 600;
  letter-spacing: -0.8px;
  margin: 18px 0 14px;
}
.feature-copy p {
  font-size: 13px;
  color: var(--muted-foreground);
  line-height: 1.9;
}
.tags {
  display: flex;
  gap: 6px;
  margin: 17px 0 25px;
}
.tags span {
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 7px;
  font-size: 10px;
  color: var(--muted-foreground);
}
.primary-link {
  display: inline-flex;
  gap: 35px;
  align-items: center;
  background: var(--primary);
  color: white !important;
  padding: 12px 18px;
  border-radius: 6px;
  font-size: 12px;
}
.collection {
  padding: 58px 0 65px;
}
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 25px;
}
.section-heading h2 {
  font-size: 23px;
  font-weight: 600;
}
.section-heading h2 span {
  color: var(--muted-foreground);
  font: 12px var(--font-mono);
  margin-left: 12px;
  vertical-align: middle;
}
.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 25px;
  gap: 15px;
}
.filters {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.filters button {
  border: 0;
  color: var(--muted-foreground);
  background: transparent;
  padding: 9px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
}
.filters button[aria-pressed="true"] {
  color: white;
  background: var(--primary);
}
.search {
  border: 1px solid var(--border);
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
}
.search span {
  font-size: 23px;
  color: var(--muted-foreground);
  line-height: 1;
}
.search input {
  width: 175px;
  border: 0;
  background: transparent;
  font-size: 12px;
  padding: 3px 0;
}
.event-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}
.event-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.event-card a {
  display: block;
  height: 100%;
}
.event-card:hover h3 {
  color: var(--brand);
}
.event-card:hover .scene {
  filter: brightness(1.06);
}
.card-text {
  padding: 23px 24px 19px;
}
.card-text h3 {
  margin: 12px 0 10px;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.5;
}
.card-text p {
  font-size: 13px;
  line-height: 1.9;
  color: var(--muted-foreground);
  min-height: 50px;
}
.card-bottom {
  border-top: 1px solid var(--border);
  margin-top: 22px;
  padding-top: 15px;
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--muted-foreground);
}
.card-bottom span:last-child {
  color: var(--foreground);
}
.closing {
  background: var(--professional-light);
  border-radius: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 35px 40px;
  margin-bottom: 65px;
  gap: 24px;
}
.closing h2 {
  font-size: 24px;
  font-weight: 600;
  margin: 10px 0;
}
.closing p {
  font-size: 13px;
  color: var(--muted-foreground);
  line-height: 1.8;
}
.hub-footer {
  border-top: 1px solid var(--border);
  max-width: 1176px;
  margin: auto;
  padding: 27px 0;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 11px;
  color: var(--muted-foreground);
}
#empty {
  padding: 60px 20px;
  text-align: center;
  background: var(--card);
  border-radius: 8px;
}
#empty p {
  margin: 14px 0;
  color: var(--muted-foreground);
}
#reset,
#share {
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--background);
  cursor: pointer;
}
.skip,
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
}
.skip:focus {
  width: auto;
  height: auto;
  clip-path: none;
  padding: 15px;
  background: white;
  z-index: 10;
}
.detail-main {
  max-width: 1120px;
  padding-top: 35px;
}
.back {
  color: var(--muted-foreground) !important;
  font-size: 12px;
}
.article-head {
  padding: 42px 0 34px;
  border-bottom: 1px solid var(--border);
}
.article-head h1 {
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.4;
  font-weight: 600;
  max-width: 840px;
  margin: 18px 0;
}
.article-head > p {
  max-width: 760px;
  font-size: 16px;
  color: var(--muted-foreground);
  line-height: 1.9;
}
.article-meta {
  display: flex;
  gap: 22px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 25px;
  color: var(--muted-foreground);
  font-size: 11px;
}
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 200px;
  gap: 65px;
  padding: 30px 0 70px;
}
.article-layout section {
  scroll-margin-top: 25px;
  padding: 10px 0 30px;
}
.article-layout h2 {
  font-size: 23px;
  font-weight: 600;
  margin-bottom: 15px;
}
.editor-note {
  font-size: 12px;
  line-height: 1.9;
  color: var(--muted-foreground);
  margin-bottom: 20px;
}
.takeaways {
  padding-left: 24px;
}
.takeaways li {
  padding: 13px 0 13px 8px;
  border-bottom: 1px solid var(--border);
  line-height: 1.8;
  font-size: 15px;
}
.takeaways li::marker {
  color: var(--brand);
  font-family: var(--font-mono);
}
.source-heading {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 15px;
}
.source-heading a {
  font-size: 12px;
  color: var(--brand);
}
.source-image {
  display: block;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.source-image img {
  display: block;
  width: 100%;
  height: auto;
}
.article-layout aside {
  position: sticky;
  top: 30px;
  align-self: start;
  padding-top: 15px;
}
.article-layout aside a {
  display: block;
  font-size: 12px;
  line-height: 1.7;
  margin-top: 20px;
  color: var(--muted-foreground);
}
.article-layout aside a:hover {
  color: var(--brand);
}
.aside-divider {
  border-top: 1px solid var(--border);
  margin: 28px 0;
}
.update-row {
  display: flex;
  gap: 25px;
  font-size: 12px;
  line-height: 1.8;
  color: var(--muted-foreground);
}
@media (max-width: 760px) {
  .topbar {
    height: 68px;
    padding: 0 20px;
    gap: 13px;
  }
  .topbar nav {
    gap: 0;
  }
  .topbar nav > a:first-child,
  .divider,
  .intro-note,
  .hub-name {
    display: none;
  }
  .website {
    padding: 7px 12px;
  }
  .hub-main,
  .detail-main {
    padding-left: 20px;
    padding-right: 20px;
  }
  .intro {
    padding: 40px 0 30px;
  }
  .intro h1 {
    font-size: 40px;
  }
  .featured {
    grid-template-columns: 1fr;
  }
  .feature-photo {
    min-height: 250px;
  }
  .feature-copy {
    padding: 26px;
  }
  .feature-copy h2 {
    font-size: 29px;
  }
  .collection {
    padding-top: 40px;
  }
  .toolbar {
    align-items: stretch;
    flex-direction: column;
  }
  .filters {
    gap: 2px;
  }
  .filters button {
    padding: 8px 11px;
  }
  .search input {
    width: 100%;
  }
  .event-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .scene {
    height: 200px;
  }
  .closing {
    padding: 26px;
    flex-direction: column;
    align-items: flex-start;
  }
  .closing h2 {
    font-size: 21px;
  }
  .hub-footer {
    margin: 0 20px;
    flex-wrap: wrap;
    line-height: 1.8;
  }
  .hub-footer span:nth-child(2) {
    display: none;
  }
  .article-layout {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .article-layout aside {
    position: static;
    border-top: 1px solid var(--border);
  }
  .article-meta {
    gap: 12px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .scene {
    transition: none;
  }
}
/* Frame the original on-site photographs without modifying the archived images. */
.scene.embodied-intelligence {
  background-size: 280% auto;
  background-position: 21% 18.7%;
}
.feature-photo .scene {
  background-size: 280% auto;
  background-position: 21% 19.3%;
}
.scene.enterprise-ai {
  background-size: 110% auto;
  background-position: center 6.5%;
}
.scene.aigc-awards {
  background-size: 110% auto;
  background-position: center 10.5%;
}
.scene.own-your-story {
  background-size: 215% auto;
  background-position: 5% 19%;
}
#citation-text {
  padding: 18px;
  background: var(--secondary);
  font-size: 13px;
  line-height: 1.9;
  margin-bottom: 14px;
}
#copy-citation {
  background: var(--primary);
  color: var(--primary-foreground);
  padding: 10px 16px;
  border: 0;
  border-radius: 6px;
  font: inherit;
  font-size: 12px;
  cursor: pointer;
}
#citation-status {
  font-size: 12px;
  color: var(--muted-foreground);
  margin-top: 10px;
}
.reading-section > p,
.project-note p {
  font-size: 15px;
  line-height: 1.95;
  color: #444;
  margin: 0 0 18px;
}
.reading-section h3 {
  font-size: 18px;
  line-height: 1.6;
  font-weight: 600;
  margin: 27px 0 10px;
}
.reading-section > .editor-note {
  color: var(--muted-foreground);
  font-size: 12px;
}
.event-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  background: var(--card);
  padding: 22px;
  margin: 25px 0 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
}
.event-facts dt {
  font-size: 11px;
  color: var(--muted-foreground);
  margin-bottom: 7px;
}
.event-facts dd {
  font-size: 13px;
  line-height: 1.8;
  margin: 0;
}
.project-note {
  padding: 22px 0 8px;
  border-top: 1px solid var(--border);
  scroll-margin-top: 20px;
}
.project-label {
  font-size: 11px;
  color: var(--brand);
}
.project-note h3 {
  margin-top: 9px;
}
.original-details summary {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  margin-bottom: 15px;
}
@media (max-width: 600px) {
  .event-facts {
    grid-template-columns: 1fr;
  }
}
.evidence-figure {
  margin: 0 0 20px;
}
.evidence-photo {
  aspect-ratio: 2.1;
  background-image: url("https://download.younavi.me/younavi_home/hub/20261015/reference-03.jpg");
  background-size: 280% auto;
  background-repeat: no-repeat;
  border-radius: 6px;
}
.photo-scene-data {
  background-position: 21% 18.7%;
}
.photo-awak {
  background-position: 79% 18.7%;
}
.photo-memorion {
  background-position: 21% 34.7%;
}
.photo-continuous-production {
  background-position: 79% 34.7%;
}
.evidence-figure figcaption {
  font-size: 11px;
  color: var(--muted-foreground);
  line-height: 1.8;
  margin-top: 8px;
}

/* Shared-document entries retain the library's restrained blue palette. */
.scene.sutton-reinforcement-learning {
  background: #edf0f4 url("https://download.younavi.me/younavi_home/hub/20261015/sutton-talk.jpg") center 76% / cover
    no-repeat;
}
.scene.founderpark-enterprise-agents {
  background: #edf3fa;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 24px;
  text-align: left;
}
.scene.founderpark-enterprise-agents::before {
  content: "FOUNDERPARK / WAIC 2026";
  color: #3263a3;
  font-size: 10px;
  letter-spacing: 0.08em;
}
.scene.founderpark-enterprise-agents::after {
  content: "企业 Agent\A从试点到业务结果";
  white-space: pre-line;
  color: #172c49;
  font-size: 24px;
  font-weight: 600;
  line-height: 1.5;
  margin-top: 14px;
}
.field-photo {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 6px;
}
