:root {
  --xmetai-navy: #102a43;
  --xmetai-blue: #1769aa;
  --xmetai-cyan: #2f9fb8;
  --xmetai-ice: #f3f8fc;
  --xmetai-line: #d9e6ef;
  --xmetai-text: #263746;
  /* 首页三个 hero logo 共用的顶部对齐线（桌面端） */
  --xmetai-hero-logo-inset: clamp(10px, 1.5vh, 20px);
}

/* The homepage owns its layout and content from its first render. */
#home.carousel { position: relative; overflow: hidden; height: clamp(560px, calc(100svh - 154px), 840px); min-height: 560px; }
#home .carousel-slides { height: 100%; }
#home .carousel-slide { width: 100%; height: 100%; background-size: cover; background-position: center; }
#home .carousel-content { width: 100%; height: 100%; }
#home .banner-btn { opacity: 1; transform: none; }
@media (max-width: 768px) {
  #home.carousel { height: 640px; min-height: 640px; }
  #home .banner-logos { min-height: 110px; }
  /* top 与 .xmetai-hero-cma-logo 的默认 top 保持一致，三个 logo 同一水平线 */
  #home .xmetai-hero-orgs { position: absolute; top: clamp(22px, 4vw, 58px); right: 16px; }
}

/* Rongheyuan accommodation and travel */
.xmetai-venue-section {
  padding: 0;
  background: linear-gradient(180deg, #f4fbff 0%, #ffffff 52%, #eef8ff 100%);
}

.xmetai-venue-page {
  color: var(--xmetai-text);
}

.xmetai-stay-intro,
.xmetai-stay-options,
.xmetai-travel-section,
.xmetai-stay-gallery {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.xmetai-stay-intro {
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  align-items: stretch;
  padding: 64px 0 54px;
}

.xmetai-stay-intro-copy {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 390px;
  padding: 48px 52px;
  border: 1px solid rgba(29, 145, 211, .18);
  border-radius: 24px 0 0 24px;
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 22px 54px rgba(20, 91, 132, .13);
}

.xmetai-stay-intro-copy h1 {
  margin: 10px 0 20px;
  color: var(--xmetai-navy);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -.035em;
}

.xmetai-stay-intro-copy h1 i,
.xmetai-venue-heading h2 i {
  color: #1599d5;
}

.xmetai-stay-intro-copy > p {
  margin: 0;
  color: #53697a;
  font-size: 1.05rem;
  line-height: 1.8;
}

.xmetai-stay-intro > img {
  width: 100%;
  height: 100%;
  min-height: 390px;
  object-fit: cover;
  border-radius: 0 24px 24px 0;
  box-shadow: 0 22px 54px rgba(20, 91, 132, .13);
}

.xmetai-stay-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid #dbeaf2;
  color: #214d68;
  font-weight: 700;
}

.xmetai-stay-meta a {
  color: #087fc0;
}

.xmetai-stay-meta i {
  width: 18px;
  color: #19a2d8;
  text-align: center;
}

.xmetai-stay-options,
.xmetai-travel-section,
.xmetai-stay-gallery {
  padding: 52px 0 72px;
}

.xmetai-venue-heading {
  max-width: 760px;
  margin: 0 auto 34px;
  text-align: center;
}

.xmetai-venue-heading h2 {
  margin: 8px 0 12px;
  color: var(--xmetai-navy);
  font-size: clamp(1.85rem, 3.3vw, 2.65rem);
  font-weight: 800;
  line-height: 1.16;
}

.xmetai-venue-heading p {
  margin: 0;
  color: #627585;
  font-size: 1rem;
  line-height: 1.7;
}

.xmetai-stay-carousel {
  position: relative;
}

.xmetai-stay-track {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  padding: 22px 4px 30px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: #8ecceb transparent;
}

.xmetai-stay-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid #d8e8f2;
  border-radius: 19px;
  background: #fff;
  box-shadow: 0 14px 34px rgba(25, 83, 118, .11);
  scroll-snap-align: center;
  transition: transform .25s ease, box-shadow .25s ease;
}

.xmetai-stay-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 22px 46px rgba(25, 83, 118, .17);
}

.xmetai-stay-card-featured {
  transform: translateY(-12px);
  border-color: #86cce9;
  box-shadow: 0 22px 46px rgba(25, 129, 181, .19);
}

.xmetai-stay-card-featured:hover {
  transform: translateY(-16px);
}

.xmetai-stay-card img {
  width: 100%;
  height: 230px;
  object-fit: cover;
}

.xmetai-stay-card > div {
  padding: 25px 26px 28px;
}

.xmetai-stay-card span {
  color: #168fc9;
  font-size: .73rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.xmetai-stay-card h3 {
  margin: 8px 0 14px;
  color: var(--xmetai-navy);
  font-size: 1.24rem;
  font-weight: 800;
}

.xmetai-stay-card p {
  margin: 0 0 12px;
  color: #607382;
  line-height: 1.65;
}

.xmetai-stay-card p:first-of-type {
  color: #28718f;
  font-weight: 700;
}

.xmetai-stay-arrow {
  position: absolute;
  top: 50%;
  z-index: 3;
  display: none;
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 50%;
  color: #168fc9;
  background: #fff;
  box-shadow: 0 8px 24px rgba(20, 71, 102, .2);
  transform: translateY(-50%);
}

.xmetai-stay-prev { left: -12px; }
.xmetai-stay-next { right: -12px; }

.xmetai-stay-contact {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 9px;
  margin-top: 8px;
}

.xmetai-stay-contact a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 25px;
  border-radius: 10px;
  color: #fff;
  background: linear-gradient(135deg, #087fc0, #27acd9);
  font-weight: 800;
  box-shadow: 0 10px 26px rgba(19, 139, 194, .24);
}

.xmetai-stay-contact small {
  color: #687e8c;
}

.xmetai-travel-section {
  width: 100%;
  padding-right: max(20px, calc((100% - 1180px) / 2));
  padding-left: max(20px, calc((100% - 1180px) / 2));
  background: linear-gradient(145deg, #edf9ff, #f8fcff);
}

.xmetai-map-grid {
  display: grid;
  grid-template-columns: 1.45fr .75fr;
  gap: 24px;
}

.xmetai-map-grid figure,
.xmetai-stay-gallery figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid #d5e8f3;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 14px 34px rgba(25, 83, 118, .11);
}

.xmetai-map-grid img {
  width: 100%;
  height: 410px;
  object-fit: contain;
  background: #fff;
}

.xmetai-map-grid figcaption,
.xmetai-stay-gallery figcaption {
  position: absolute;
  right: 14px;
  bottom: 14px;
  left: 14px;
  padding: 10px 13px;
  border-radius: 9px;
  color: #fff;
  background: rgba(9, 51, 78, .78);
  font-weight: 700;
  backdrop-filter: blur(8px);
}

.xmetai-arrival-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.xmetai-arrival-grid article {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 15px;
  padding: 23px;
  border: 1px solid #d9e9f2;
  border-radius: 15px;
  background: #fff;
}

.xmetai-arrival-grid article > i {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border-radius: 13px;
  color: #fff;
  background: linear-gradient(135deg, #148cc8, #31b2d8);
  font-size: 1.1rem;
}

.xmetai-arrival-grid h3 {
  margin: 1px 0 8px;
  color: var(--xmetai-navy);
  font-size: 1.05rem;
  font-weight: 800;
}

.xmetai-arrival-grid p {
  margin: 0;
  color: #637887;
  font-size: .91rem;
  line-height: 1.62;
}

.xmetai-stay-gallery > div {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.xmetai-stay-gallery img {
  width: 100%;
  height: 330px;
  object-fit: cover;
}

@media (max-width: 900px) {
  .xmetai-stay-intro {
    grid-template-columns: 1fr;
  }

  .xmetai-stay-intro-copy {
    min-height: 0;
    padding: 34px 30px;
    border-radius: 20px 20px 0 0;
  }

  .xmetai-stay-intro > img {
    min-height: 270px;
    max-height: 390px;
    border-radius: 0 0 20px 20px;
  }

  .xmetai-stay-track {
    display: flex;
    margin: 0 -4px;
    padding: 18px 42px 28px;
  }

  .xmetai-stay-card {
    flex: 0 0 min(78vw, 360px);
  }

  .xmetai-stay-card-featured,
  .xmetai-stay-card-featured:hover {
    transform: none;
  }

  .xmetai-stay-arrow { display: block; }
  .xmetai-map-grid { grid-template-columns: 1fr; }
  .xmetai-map-grid img { height: min(70vw, 440px); }
  .xmetai-arrival-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .xmetai-stay-intro,
  .xmetai-stay-options,
  .xmetai-stay-gallery {
    width: min(100% - 24px, 1180px);
  }

  .xmetai-stay-intro { padding-top: 30px; }
  .xmetai-stay-intro-copy { padding: 28px 22px; }
  .xmetai-stay-intro-copy h1 { font-size: 1.85rem; }
  .xmetai-stay-meta { flex-direction: column; }
  .xmetai-stay-options,
  .xmetai-travel-section,
  .xmetai-stay-gallery { padding-top: 40px; padding-bottom: 52px; }
  .xmetai-stay-track { padding-right: 32px; padding-left: 32px; }
  .xmetai-stay-card { flex-basis: calc(100vw - 76px); }
  .xmetai-stay-card img { height: 205px; }
  .xmetai-stay-card > div { padding: 22px 20px; }
  .xmetai-stay-prev { left: -4px; }
  .xmetai-stay-next { right: -4px; }
  .xmetai-stay-gallery > div { grid-template-columns: 1fr; }
  .xmetai-stay-gallery img { height: 230px; }
}

.xmetai-header-brand {
  display: inline-flex;
  width: 210px;
  min-width: 0;
  height: 74px;
  align-items: center;
  overflow: hidden;
}

.xmetai-header-brand img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

#navbar .site-header-brand:has(.xmetai-header-brand) {
  flex: 0 0 220px;
  margin-right: 28px !important;
}

#navbar .site-header-brand:has(.xmetai-header-brand)::after {
  display: none !important;
  content: none !important;
}

#navbar .site-header-brand > img[hidden] {
  display: none !important;
}

/* 提前隐藏原站 brand 直系 logo 图，JS 注入新 logo 前不闪现旧会标 */
#navbar .site-header-brand > img {
  display: none !important;
}

/* 首页 hero 旧会标/主办方 logo 在 JS 覆写前不闪现 */
.banner-main-logos > img:not(.xmetai-hero-cma-logo),
.banner-logos > img:not(.xmetai-hero-org-logo) {
  display: none !important;
}

.xmetai-hero-cma-logo {
  position: absolute;
  top: clamp(22px, 4vw, 58px);
  left: clamp(18px, 4vw, 64px);
  z-index: 4;
}

.xmetai-header-brand strong {
  font-size: clamp(1.2rem, 1.8vw, 1.75rem);
  font-weight: 800;
  letter-spacing: .01em;
}

.xmetai-header-brand small {
  margin-top: 5px;
  color: #557083;
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .15em;
}

.xmetai-hero-title {
  position: relative;
  left: 50vw;
  z-index: 3;
  width: min(1760px, calc(100vw - 112px));
  max-width: none;
  margin: 0;
  color: #6a2807;
  font-size: clamp(2rem, 2.85vw, 3.7rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.025em;
  text-align: center;
  text-wrap: balance;
  transform: translateX(-50%);
}

.banner-desc,
.banner-buttons {
  position: relative;
  z-index: 3;
}

.xmetai-hero-orgs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.xmetai-hero-cma-logo,
.xmetai-hero-org-logo {
  display: block !important;
  /* 圆托统一尺寸；三张源图已归一化（徽标均占画布 94.4%），因此在同一圆托内视觉等大 */
  width: clamp(64px, 8vw, 126px);
  height: clamp(64px, 8vw, 126px);
  box-sizing: border-box;
  flex-shrink: 0;
  padding: 5px;
  border: 1px solid rgba(23, 105, 170, .2);
  border-radius: 999px;
  object-fit: contain;
  background: #fff;
  box-shadow: 0 5px 16px rgba(14, 111, 174, .12);
}

/* 三个 logo 顶部对齐：左侧会徽与右侧主办方 logo 落在同一条水平线上，
   左右内缩与 .carousel-content 的 5% 内边距对齐，纵向由同一个变量驱动。 */
@media (min-width: 769px) {
  #home .carousel-content {
    padding-top: var(--xmetai-hero-logo-inset);
    padding-left: 5%;
    padding-right: 5%;
  }
  #home .banner-logos {
    min-height: 0;
    margin: 0;
    padding: 0;
    align-items: flex-start;
  }
  #home .xmetai-hero-cma-logo {
    top: var(--xmetai-hero-logo-inset);
    left: 5%;
  }
}

/* Keep the legacy CMS organisation badge out of the event hero. */
.xmetai-hero-orgs span:nth-child(3) {
  display: none !important;
}

/* Expert directory and detail pages are intentionally text-only. */
.xmetai-experts-directory img,
.xmetai-experts-directory .xmetai-expert-photo,
.speaker-card > img,
.speaker-card .speaker-profile-image,
.speaker-card .speaker-avatar,
.speaker-detail .speaker-profile-image,
.speaker-detail .speaker-avatar,
.conference-expert-grid .conference-person-avatar {
  display: none !important;
}

.xmetai-about-gallery {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  grid-auto-rows: 128px;
  gap: 12px;
}

.xmetai-about-photo {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border-radius: 14px;
  box-shadow: 0 12px 26px rgba(24, 77, 107, .14);
}

.xmetai-about-photo-main {
  grid-row: span 2;
}

.xmetai-about-photo-wide {
  grid-column: 1 / -1;
}

.xmetai-about-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}

.xmetai-about-photo:hover img {
  transform: scale(1.035);
}

.xmetai-experts-directory {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 20px;
  align-items: stretch;
}

/* 专家组标题：Experts 页「Invited Experts」分组 */
.xmetai-experts-group-title {
  margin: 0 0 20px;
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  font-weight: 800;
  color: #123a63;
}

/* Keep every expert card aligned even when names or affiliations wrap. */
.xmetai-experts-directory .xmetai-appended-expert {
  min-height: 228px;
  height: 100%;
}

.xmetai-experts-directory .xmetai-expert-card-link {
  min-height: 100%;
}

.xmetai-experts-directory .speaker-card-body {
  min-height: 228px;
  box-sizing: border-box;
}

.xmetai-experts-directory .speaker-name {
  min-height: 2.25em;
  line-height: 1.2;
}

.xmetai-experts-directory .speaker-affiliation {
  min-height: 2.8em;
  line-height: 1.4;
}

.xmetai-experts-directory .xmetai-expert-role {
  min-height: 2.8em;
  line-height: 1.4;
}

.xmetai-experts-directory .xmetai-expert-more {
  margin-top: auto;
  padding-top: 14px;
}

.xmetai-experts-directory-compact {
  gap: 18px;
}

.xmetai-experts-directory-compact .xmetai-appended-expert,
.xmetai-experts-directory-compact .speaker-card-body {
  min-height: 210px;
}

.xmetai-experts-directory-compact .xmetai-expert-photo {
  height: 190px;
}

.xmetai-experts-directory-compact .speaker-card-body {
  padding: 20px !important;
}

.xmetai-experts-directory-compact .speaker-name {
  font-size: 1.05rem !important;
}

.xmetai-experts-directory-compact .speaker-affiliation,
.xmetai-experts-directory-compact .xmetai-expert-role {
  font-size: .82rem;
}

.xmetai-home-experts {
  padding: clamp(48px, 6vw, 82px) 16px;
  background: linear-gradient(180deg, #f4faff, #fff);
}

.xmetai-home-experts-action {
  margin: 32px 0 0;
  text-align: center;
}

.xmetai-home-experts-action a {
  color: var(--xmetai-blue);
  font-weight: 800;
  text-decoration: none;
}

.conference-doc-section {
  padding: clamp(44px, 6vw, 82px) 16px;
  background:
    radial-gradient(circle at top right, rgba(47, 159, 184, .11), transparent 34%),
    var(--xmetai-ice);
  color: var(--xmetai-text);
}

.conference-doc-wrap {
  width: min(1160px, 100%);
  margin: 0 auto;
}

.conference-doc-heading {
  max-width: 920px;
  margin: 0 auto clamp(30px, 5vw, 54px);
  text-align: center;
}

.conference-doc-kicker {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--xmetai-blue);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.conference-doc-heading h1,
.conference-doc-heading h2 {
  margin: 0;
  color: var(--xmetai-navy);
  font-size: clamp(2rem, 4.5vw, 3.65rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -.035em;
}

.conference-doc-heading h2 {
  font-size: clamp(1.9rem, 4vw, 3rem);
}

.conference-committee-heading {
  position: relative;
  left: 50%;
  width: min(1320px, calc(100vw - 64px));
  max-width: none;
  transform: translateX(-50%);
}

.conference-committee-heading h1 {
  font-size: clamp(2.2rem, 3vw, 3.2rem);
  line-height: 1.13;
  text-wrap: balance;
}

.conference-doc-heading p {
  max-width: 760px;
  margin: 18px auto 0;
  color: #5e7180;
  font-size: 1.05rem;
  line-height: 1.75;
}

.conference-doc-card {
  margin-bottom: 24px;
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid var(--xmetai-line);
  border-radius: 20px;
  background: rgba(255, 255, 255, .94);
  box-shadow: 0 16px 42px rgba(35, 72, 98, .08);
}

.conference-doc-card h2 {
  margin: 0 0 18px;
  color: var(--xmetai-navy);
  font-size: clamp(1.45rem, 2.7vw, 2rem);
  font-weight: 800;
}

.conference-doc-card h3 {
  margin: 18px 0 12px;
  color: var(--xmetai-navy);
  font-size: 1.08rem;
  font-weight: 800;
}

.conference-doc-card p,
.conference-doc-card li {
  color: #405564;
  font-size: 1rem;
  line-height: 1.8;
}

.conference-doc-card p + p {
  margin-top: 16px;
}

.conference-objective-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: objectives;
}

.conference-objective-list li {
  position: relative;
  min-height: 160px;
  padding: 22px 22px 22px 66px;
  border: 1px solid var(--xmetai-line);
  border-radius: 16px;
  background: #f8fbfd;
  counter-increment: objectives;
}

.conference-objective-list li::before {
  position: absolute;
  top: 21px;
  left: 20px;
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: 50%;
  color: white;
  background: var(--xmetai-blue);
  content: counter(objectives);
  font-weight: 800;
}

.conference-objective-list strong,
.conference-objective-list span {
  display: block;
}

.conference-objective-list strong {
  margin-bottom: 7px;
  color: var(--xmetai-navy);
}

.conference-people-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.conference-expert-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.conference-person-card {
  display: flex;
  min-height: 132px;
  align-items: center;
  gap: 18px;
  padding: 24px;
  border: 1px solid var(--xmetai-line);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 12px 30px rgba(35, 72, 98, .07);
}

.conference-person-avatar {
  display: grid;
  flex: 0 0 52px;
  width: 52px;
  height: 52px;
  place-items: center;
  border-radius: 16px;
  color: #fff;
  background: linear-gradient(135deg, var(--xmetai-blue), var(--xmetai-cyan));
  font-size: 1.3rem;
  font-weight: 800;
}

.xmetai-committee-card-link {
  text-decoration: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.xmetai-committee-card-link:hover {
  border-color: var(--xmetai-blue);
  box-shadow: 0 12px 30px rgba(35, 72, 98, .13);
}

.xmetai-committee-card-link:focus-visible {
  outline: 3px solid var(--xmetai-blue);
  outline-offset: 3px;
}

.xmetai-speaker-placeholder {
  display: grid;
  width: 100%;
  min-height: 260px;
  place-items: center;
  color: #fff;
  background:
    radial-gradient(circle at 72% 22%, rgba(255, 255, 255, .28), transparent 22%),
    linear-gradient(145deg, #0b6fac, #35b7df);
  font-size: clamp(2.6rem, 5vw, 4.5rem);
  font-weight: 800;
  letter-spacing: .08em;
}

.xmetai-appended-expert .xmetai-expert-card-link {
  display: flex;
  height: 100%;
  flex-direction: column;
  color: inherit;
  text-decoration: none;
}

.xmetai-appended-expert .xmetai-expert-photo {
  display: block;
  width: 100%;
  height: 260px;
  object-fit: cover;
  background: #eaf5fb;
  transition: transform .35s ease;
}

.xmetai-appended-expert:hover .xmetai-expert-photo {
  transform: scale(1.035);
}

.xmetai-expert-role {
  margin: 0 0 16px;
  color: #5e7180;
  font-size: .9rem;
  line-height: 1.55;
}

.xmetai-expert-more {
  margin-top: auto;
  color: var(--xmetai-blue);
  font-size: .92rem;
  font-weight: 800;
}

.xmetai-expert-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
  color: var(--xmetai-blue);
  font-weight: 800;
  text-decoration: none;
}

.xmetai-expert-profile {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  gap: clamp(24px, 5vw, 52px);
  margin-bottom: 34px;
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid var(--xmetai-line);
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(255,255,255,.98), rgba(231,247,255,.95));
  box-shadow: 0 18px 46px rgba(35, 72, 98, .1);
}

.xmetai-expert-profile img {
  display: block;
  width: 190px;
  height: 190px;
  border: 5px solid #fff;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 10px 30px rgba(22, 108, 158, .2);
}

.xmetai-expert-profile h1 {
  margin: 0;
  color: var(--xmetai-navy);
  font-size: clamp(2rem, 4.4vw, 3.45rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -.035em;
}

.xmetai-expert-profile p {
  margin: 14px 0 0;
  color: #526f82;
  font-size: 1.08rem;
  line-height: 1.6;
}

.xmetai-expert-biography,
.xmetai-expert-research {
  max-width: 980px;
  margin-right: auto;
  margin-left: auto;
}

.xmetai-expert-research ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.xmetai-expert-research li {
  position: relative;
  padding: 14px 16px 14px 42px;
  border: 1px solid #d9edf7;
  border-radius: 13px;
  background: #f6fbfe;
}

.xmetai-expert-research li::before {
  position: absolute;
  top: 20px;
  left: 18px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--xmetai-cyan);
  content: "";
}

.conference-person-card h3 {
  margin: 0 0 6px;
  color: var(--xmetai-navy);
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.35;
}

.conference-person-card p {
  margin: 0;
  color: #617583;
  font-size: .9rem;
  line-height: 1.55;
}

.conference-org-groups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.conference-org-group:first-child {
  grid-column: 1 / -1;
}

.conference-org-group ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.conference-org-group li {
  position: relative;
  padding: 14px 16px 14px 44px;
  border-radius: 12px;
  background: #f4f8fb;
}

.conference-org-group li::before {
  position: absolute;
  top: 18px;
  left: 18px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--xmetai-cyan);
  content: "";
}

.conference-program-grid {
  display: grid;
  gap: 22px;
}

.conference-program-day {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 24px;
}

.conference-day-label {
  display: grid;
  width: 72px;
  height: 72px;
  place-items: center;
  border-radius: 20px;
  color: #fff;
  background: linear-gradient(135deg, var(--xmetai-blue), var(--xmetai-cyan));
  font-size: 1.8rem;
  font-weight: 800;
}

.conference-program-day ol,
.conference-program-day ul {
  margin: 0;
  padding-left: 21px;
}

.conference-program-day li {
  margin-bottom: 8px;
}

.conference-program-day time {
  color: var(--xmetai-blue);
  font-weight: 800;
}

.conference-key-dates {
  margin-top: 34px;
}

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

.conference-date-grid div {
  padding: 20px;
  border-radius: 14px;
  background: #f4f8fb;
}

.conference-date-grid span,
.conference-date-grid strong {
  display: block;
}

.conference-date-grid span {
  min-height: 44px;
  color: #617583;
  font-size: .84rem;
  line-height: 1.45;
}

.conference-date-grid strong {
  margin-top: 10px;
  color: var(--xmetai-navy);
  font-size: 1.08rem;
}

.xmetai-home-section {
  padding-top: 2px;
  padding-bottom: 2px;
}

.xmetai-home-lead {
  color: var(--xmetai-navy) !important;
  font-size: 1.04rem !important;
  font-weight: 600;
  line-height: 1.8 !important;
}

.xmetai-text-link,
.xmetai-home-action a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
  color: var(--xmetai-blue);
  font-weight: 800;
  line-height: 1.55;
}

.xmetai-resource-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.xmetai-resource-grid a {
  display: flex;
  min-height: 190px;
  flex-direction: column;
  padding: 24px;
  border: 1px solid var(--xmetai-line);
  border-radius: 16px;
  color: var(--xmetai-text);
  background: #fff;
  box-shadow: 0 10px 26px rgba(35, 72, 98, .06);
  transition: transform .2s ease, box-shadow .2s ease;
}

.xmetai-resource-grid a:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 34px rgba(35, 72, 98, .12);
}

.xmetai-resource-grid i {
  margin-bottom: 22px;
  color: var(--xmetai-blue);
  font-size: 1.8rem;
}

.xmetai-resource-grid strong {
  margin-bottom: 7px;
  color: var(--xmetai-navy);
  font-size: 1rem;
}

.xmetai-resource-grid span {
  color: #617583;
  font-size: .83rem;
  line-height: 1.5;
}

.xmetai-home-action {
  margin-top: 30px;
  text-align: center;
}

.xmetai-summary-grid {
  width: min(920px, 100%);
  margin-right: auto;
  margin-left: auto;
  grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
}

/* Keep the complete original home information and image-resource cards. */
.xmetai-core-info {
  background: linear-gradient(180deg, #f1f9ff 0%, #e8f5fd 100%) !important;
}

.xmetai-core-info .grid {
  width: min(1180px, 100%);
  margin-right: auto;
  margin-left: auto;
  grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
  justify-content: center;
}

/* 页脚底部 logo 已整体移除，此处隐藏其容器避免渲染闪现 */
.footer-logo {
  display: none !important;
}

/* 投稿页 "Instructions for poster presentations" 模块已删除，避免渲染闪现 */
.instruction-section#poster {
  display: none !important;
}

.xmetai-core-info .grid > a,
.xmetai-core-info .grid > div {
  min-height: 168px;
  border: 1px solid #cde8f7;
  border-radius: 16px !important;
  background: rgba(255, 255, 255, .96) !important;
  box-shadow: 0 12px 30px rgba(20, 104, 160, .1) !important;
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease !important;
}

.xmetai-core-info .grid > a:hover,
.xmetai-core-info .grid > div:hover {
  transform: translateY(-4px);
  border-color: #78c7ed;
  box-shadow: 0 18px 38px rgba(20, 104, 160, .16) !important;
}

.xmetai-core-info .fa,
.xmetai-core-info p {
  color: #118ccb !important;
}

.xmetai-core-info h3 {
  color: #123650 !important;
}

.xmetai-original-resources {
  background: linear-gradient(180deg, #f5fbff 0%, #ebf7fe 100%) !important;
}

.xmetai-original-resources .resource-card {
  overflow: hidden;
  border: 1px solid #cde8f7;
  border-radius: 16px !important;
  background: #fff !important;
  box-shadow: 0 14px 34px rgba(20, 104, 160, .11) !important;
  transition: transform .24s ease, border-color .24s ease, box-shadow .24s ease !important;
}

.xmetai-original-resources a:hover .resource-card {
  transform: translateY(-6px);
  border-color: #67bde7;
  box-shadow: 0 22px 46px rgba(20, 104, 160, .18) !important;
}

.xmetai-original-resources .resource-card img {
  transition: transform .35s ease !important;
}

.xmetai-original-resources a:hover .resource-card img {
  transform: scale(1.045);
}

.xmetai-original-resources .resource-card h3,
.xmetai-original-resources .resource-card .fa {
  color: #0879bb !important;
}

@media (max-width: 1100px) {
  .xmetai-resource-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .xmetai-experts-directory {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  #navbar .site-header-brand:has(.xmetai-header-brand) {
    flex-basis: auto;
    margin-right: 12px !important;
  }

  .xmetai-header-brand {
    min-width: 155px;
  }

  .xmetai-header-brand strong {
    font-size: 1.08rem;
  }

  .conference-objective-list,
  .conference-org-groups {
    grid-template-columns: 1fr;
  }

  .conference-org-group:first-child {
    grid-column: auto;
  }
}

@media (max-width: 640px) {
  .xmetai-core-info .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 12px !important;
  }

  .xmetai-core-info .grid > a,
  .xmetai-core-info .grid > div {
    min-height: 148px;
    padding: 18px 12px !important;
  }

  .xmetai-core-info .grid > :last-child {
    grid-column: auto;
  }

  .xmetai-original-resources .resource-card {
    border-radius: 14px !important;
  }
}

@media (max-width: 680px) {
  .xmetai-header-brand {
    min-width: 128px;
  }

  .xmetai-header-brand strong {
    font-size: .98rem;
  }

  .xmetai-header-brand small {
    font-size: .51rem;
    letter-spacing: .1em;
  }

  .xmetai-hero-title {
    left: auto;
    width: 100%;
    margin-left: 0;
    font-size: clamp(1.45rem, 7.5vw, 2.05rem);
    line-height: 1.12;
    text-align: left;
    text-wrap: wrap;
    transform: none;
  }

  .conference-committee-heading {
    left: auto;
    width: 100%;
    transform: none;
  }

  .conference-committee-heading h1 {
    font-size: clamp(1.45rem, 6.3vw, 1.9rem);
    line-height: 1.14;
    text-wrap: wrap;
  }

  .carousel,
  .carousel-content {
    min-height: 560px !important;
  }

  .xmetai-hero-orgs {
    justify-content: flex-start;
  }

  .xmetai-about-gallery {
    grid-auto-rows: 108px;
    gap: 9px;
  }

  .xmetai-experts-directory {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .xmetai-experts-directory .xmetai-expert-photo,
  .xmetai-experts-directory-compact .xmetai-expert-photo {
    height: 170px;
  }

  .xmetai-experts-directory .speaker-card-body {
    padding: 16px !important;
  }

  .conference-doc-section {
    padding: 38px 14px;
  }

  .conference-doc-card {
    padding: 22px 18px;
    border-radius: 15px;
  }

  .conference-doc-card p,
  .conference-doc-card li {
    font-size: .94rem;
    line-height: 1.72;
  }

  .conference-objective-list,
  .conference-people-grid,
  .conference-expert-grid,
  .conference-date-grid,
  .xmetai-resource-grid {
    grid-template-columns: 1fr;
  }

  .xmetai-summary-grid {
    grid-template-columns: 1fr !important;
  }

  .conference-objective-list li {
    min-height: 0;
    padding: 18px 18px 18px 60px;
  }

  .conference-objective-list li::before {
    top: 17px;
    left: 17px;
  }

  .conference-person-card {
    min-height: 112px;
    padding: 18px;
  }

  .xmetai-appended-expert .xmetai-expert-photo {
    height: 320px;
  }

  .xmetai-expert-profile {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .xmetai-expert-profile img {
    width: 148px;
    height: 148px;
  }

  .xmetai-expert-research ul {
    grid-template-columns: 1fr;
  }

  .conference-program-day {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .conference-day-label {
    width: 58px;
    height: 58px;
    border-radius: 16px;
    font-size: 1.45rem;
  }

  .conference-date-grid span {
    min-height: 0;
  }

  .xmetai-resource-grid a {
    min-height: 0;
  }
}
#navbar .dropdown-trigger {
  background: transparent;
  border: 0;
  cursor: pointer;
}
#navbar .dropdown-trigger:focus-visible {
  outline: 2px solid #149bd1;
  outline-offset: 4px;
}
/* The panel touches its trigger: no dead strip during pointer movement. */
#navbar nav .dropdown-menu {
  margin-top: 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: none;
  transition: opacity .15s ease;
}
#navbar nav .dropdown.is-open > .dropdown-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
#navbar nav .dropdown-menu .dropdown-item {
  transition: color .2s ease, background-color .2s ease;
}
#navbar nav .dropdown:last-child > .dropdown-menu {
  left: auto;
  right: 0;
}