body[data-page="summit-contest"] #site-header,
body[data-page="summit-register"] #site-header,
body[data-page="summit-forum"] #site-header,
body[data-page="summit-forum-register"] #site-header,
body[data-page="summit-home"] #site-header,
body[data-page="activity-register"] #site-header,
body[data-page="summit-contest"] .site-footer__inner,
body[data-page="summit-register"] .site-footer__inner,
body[data-page="summit-forum"] .site-footer__inner,
body[data-page="summit-forum-register"] .site-footer__inner,
body[data-page="summit-home"] .site-footer__inner,
body[data-page="activity-register"] .site-footer__inner {
  display: none;
}

body[data-page="summit-contest"] #site-footer,
body[data-page="summit-register"] #site-footer,
body[data-page="summit-forum"] #site-footer,
body[data-page="summit-forum-register"] #site-footer,
body[data-page="summit-home"] #site-footer,
body[data-page="activity-register"] #site-footer {
  padding: 0;
  background: #071433;
}

body[data-page="summit-contest"],
body[data-page="summit-register"],
body[data-page="summit-forum"],
body[data-page="summit-forum-register"],
body[data-page="summit-home"] {
  background: #f6f8fb;
}

body[data-page="activity-register"] {
  color: #1a2332;
  background: #f6f8fb;
}

body[data-page="summit-forum"] {
  background: #eef4ff;
}

.congress-page {
  color: #1a2332;
  background: #f6f8fb;
}

.congress-topbar {
  position: sticky;
  top: 0;
  z-index: 80;
  color: #fff;
  background-color: #0E1A2B;
  background-image:
    linear-gradient(30deg, rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(150deg, rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 34px 59px, 34px 59px, 68px 68px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.congress-topbar__inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px 20px;
  width: 100%;
  max-width: 1240px;
  min-height: 65px;
  margin: 0 auto;
  padding-inline: 0;
}

.congress-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  line-height: 1.1;
}

.congress-logo img {
  display: block;
  width: 196px;
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

.congress-logo span {
  display: grid;
}

.congress-logo strong {
  color: #fff;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 2px;
}

.congress-logo small {
  margin-top: 3px;
  color: #7E93B3;
  font-family: var(--font-en);
  font-size: 9px;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.congress-anchors {
  display: flex;
  justify-content: flex-start;
  flex-wrap: nowrap;
  flex: 1;
  min-width: 0;
  gap: 5px;
  overflow-x: auto;
  scrollbar-width: none;
}

.congress-anchors::-webkit-scrollbar {
  display: none;
}

.congress-anchors a {
  position: relative;
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  padding: 8px 11px;
  color: #C2CDE0;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  border-radius: 6px;
}

.congress-anchors a:hover,
.congress-anchors a[aria-current="page"] {
  color: #fff;
  background: rgba(255, 255, 255, .07);
  font-weight: 500;
}

.congress-anchors a[aria-current="page"] {
  background: #1456A8;
}

.congress-anchors a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  display: none;
}

.congress-review-dropdown {
  position: relative;
}

.congress-review-dropdown__toggle {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 34px;
  padding: 8px 11px;
  color: #C2CDE0;
  font: inherit;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  border: 0;
  border-radius: 6px;
  background: transparent;
  cursor: pointer;
}

.congress-review-dropdown__toggle span {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-right: 1.8px solid currentColor;
  border-bottom: 1.8px solid currentColor;
  transform: rotate(45deg) translateY(-1px);
  transition: transform .2s ease;
}

.congress-review-dropdown__toggle:hover,
.congress-review-dropdown.is-open .congress-review-dropdown__toggle {
  color: #fff;
  background: rgba(255, 255, 255, .07);
}

.congress-review-dropdown.is-open .congress-review-dropdown__toggle span {
  transform: rotate(225deg) translateY(-1px);
}

.congress-review-dropdown__drawer {
  position: fixed;
  top: auto;
  left: auto;
  z-index: 90;
  display: none;
  max-height: 60vh;
  overflow: auto;
  padding: 10px 18px;
  color: #1a2332;
  border: 1px solid rgba(22, 119, 255, .14);
  border-radius: 14px;
  background: rgba(255, 255, 255, .98);
  box-shadow: 0 22px 55px rgba(5, 18, 43, .2);
}

.congress-review-dropdown.is-open .congress-review-dropdown__drawer {
  display: block;
}

.congress-review-dropdown__drawer h3 {
  margin: 0;
  font-size: 17px;
  color: #10213d;
}

.congress-review-dropdown__drawer h3 a {
  color: inherit;
  text-decoration: none;
}

.congress-review-dropdown__drawer h3 a:hover {
  color: #1677FF;
}

.congress-review-dropdown__drawer article {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 11px;
  border-radius: 12px;
  background: #F4F7FB;
}

.congress-review-dropdown__drawer article + article {
  margin-top: 9px;
}

.congress-review-dropdown__drawer .media-frame {
  aspect-ratio: 4 / 3;
  border-radius: 9px;
  overflow: hidden;
}

.congress-review-dropdown__drawer strong {
  display: block;
  margin-bottom: 5px;
  color: #10213d;
  font-size: 15px;
}

.congress-review-dropdown__drawer p {
  margin: 0;
  color: #566987;
  font-size: 13px;
  line-height: 1.55;
}

.congress-review-dropdown__drawer time {
  display: block;
  margin-top: 6px;
  color: #7A8CA6;
  font-size: 12px;
}

.congress-topbar__actions {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  justify-self: end;
}

.congress-topbar__actions a[data-action="login"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 15px;
  border: 0;
  border-radius: 999px;
  color: #fff;
  background: #1677FF;
  font-size: 14px;
}

body[data-page="activity-register"] .congress-topbar .congress-btn {
  min-width: 0;
  min-height: 38px;
  padding: 0 22px;
  font-size: 14px;
  font-weight: 700;
}

body[data-page="activity-register"] .congress-topbar .contest-topbar__actions {
  justify-self: end;
}

.congress-topbar__actions a[href$="#congress-contact"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 36px;
  padding: 0 15px;
  border: 1px solid rgba(255, 255, 255, .55);
  border-radius: 999px;
  color: #fff;
  background: transparent;
  font-size: 14px;
}

.congress-hero {
  position: relative;
  overflow: hidden;
  min-height: 620px;
  color: #fff;
  background-color: #030b1c;
  background-image: url("../images/summit-wave.png");
  background-repeat: no-repeat;
  background-position: 51% 50%;
  background-size: cover;
  --hero-accent: #1677ff;
  --hero-accent-2: #45c8ff;
  --hero-glow: rgba(0, 140, 255, .34);
  --hero-edge: rgba(96, 208, 255, .34);
}

body[data-page="summit-contest"] .congress-hero {
  background-image: url("../images/glosim-hero-bg.png");
}

.congress-hero--forum {
  background-image: url("../images/仿真产业发展论坛背景图.png");
  background-position: 50% 50%;
  background-size: cover;
}

.congress-hero--forum .congress-hero__inner {
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  justify-items: start;
  align-content: start;
  gap: 36px;
  min-height: 660px;
}

.congress-hero--forum .congress-hero__copy {
  max-width: 820px;
}

.congress-hero--forum .congress-hero__en {
  font-size: clamp(28px, 3vw, 42px);
  white-space: nowrap;
}

.congress-hero--forum .congress-hero__copy h1 {
  font-size: clamp(46px, 4.6vw, 66px);
  line-height: 1.2;
  margin-bottom: 21px;
  white-space: nowrap;
}

.congress-hero--forum .congress-hero__theme {
  margin-top: 0;
}

.congress-hero--forum .congress-hero__meta {
  margin-top: 18px;
}

.congress-hero--forum .congress-hero__host {
  margin-top: 6px;
}

.congress-hero--forum .congress-hero__side {
  align-self: start;
  justify-items: start;
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 34px 58px;
}

.congress-hero--forum .congress-hero__actions {
  justify-content: flex-start;
}

.congress-hero--forum .congress-hero__clock {
  justify-content: flex-start;
  width: auto;
}

.congress-hero--forum .congress-hero__clock-note {
  margin-left: clamp(24px, 5.6vw, 80px);
  color: #e8f4ff;
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
}

.congress-hero--forum .congress-btn--ghost {
  border-color: #fdc33c;
  color: #1a1408;
  background: #fdc33c;
  box-shadow: 0 10px 28px rgba(253, 195, 60, .28);
}

.congress-hero.congress-hero--appconf {
  background-image: url("../images/仿真应用大会背景图.png");
  background-position: 50% 50%;
  background-size: cover;
}

.congress-hero--appconf .congress-hero__inner {
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  justify-items: start;
  align-content: center;
  gap: 34px;
}

.congress-hero--appconf .congress-hero__copy {
  max-width: 820px;
}

.congress-hero--appconf .congress-hero__side {
  align-self: start;
  justify-items: start;
  width: 100%;
  gap: 28px;
}

.congress-hero--appconf .congress-hero__actions {
  justify-content: flex-start;
}

.congress-hero--appconf .congress-hero__clock {
  justify-content: flex-start;
}

.congress-hero::before {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(2, 10, 30, .62) 0%, rgba(2, 10, 28, .3) 36%, rgba(2, 10, 28, 0) 64%),
    linear-gradient(180deg, rgba(2, 8, 24, .42) 0%, rgba(2, 8, 24, .04) 34%, rgba(2, 8, 24, .4) 100%);
}

.congress-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  /* gap: 36px 48px; */
  width: 100%;
  max-width: var(--container);
  min-height: 620px;
  margin: 0 auto;
  padding: 68px var(--container-gutter) 62px;
}

.congress-hero__copy {
  align-self: start;
  display: grid;
  justify-items: start;
  gap: 14px;
  max-width: 740px;
}

.congress-hero__side {
  align-self: end;
  display: grid;
  gap: 40px;
  justify-items: center;
}

.congress-hero__en {
  margin: 0;
  color: #fff;
  font-family: var(--font-en);
  font-size: clamp(21px, 2.4vw, 33px);
  font-weight: 900;
  letter-spacing: .06em;
  line-height: 1.12;
  text-shadow: 0 2px 20px rgba(0, 16, 44, .75);
}

.congress-hero h1 {
  margin: 0;
  color: #35d6e6;
  font-size: clamp(32px, 4.4vw, 66px);
  font-weight: 900;
  letter-spacing: .02em;
  line-height: 1.06;
}

.congress-hero h1 .congress-hero__title-accent {
  color: #fdc33c;
}

.congress-hero--forum h1,
.congress-hero--appconf h1 {
  font-size: clamp(30px, 3.8vw, 54px);
}

.congress-hero__theme {
  margin: 0;
  color: #9fd8f5;
  font-size: clamp(16px, 1.5vw, 21px);
}

.congress-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin: 6px 0 0;
  color: #e8f4ff;
  font-size: 16px;
}

.congress-hero__date,
.congress-hero__place {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.congress-hero__date::before,
.congress-hero__place::before {
  content: "";
  width: 16px;
  height: 16px;
  background: currentColor;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M7 2h2v2h6V2h2v2h3v18H4V4h3V2zm13 8H4v10h16V10zM6 6v2h12V6H6z'/%3E%3C/svg%3E") center / contain no-repeat;
}

.congress-hero__place::before {
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M12 2a7 7 0 0 1 7 7c0 5.25-7 13-7 13S5 14.25 5 9a7 7 0 0 1 7-7zm0 9.5A2.5 2.5 0 1 0 12 6.5a2.5 2.5 0 0 0 0 5z'/%3E%3C/svg%3E");
}

.congress-hero__host {
  margin: 0;
  color: rgba(214, 232, 250, .82);
  font-size: 15px;
}

.congress-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.congress-hero__clock {
  display: flex;
  align-items: center;
  gap: 14px;
}

.congress-hero__clock-label {
  color: #8fe0f5;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .08em;
  white-space: nowrap;
}

.congress-hero__clock .congress-clock__digits {
  display: flex;
  align-items: stretch;
  gap: 6px;
  text-align: center;
}

.congress-hero__clock .congress-clock__unit {
  min-width: 68px;
  padding: 10px 10px 8px;
  border: 1px solid rgba(96, 208, 255, .38);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(8, 46, 104, .82), rgba(2, 16, 42, .88));
  box-shadow: 0 10px 26px rgba(0, 6, 20, .45), inset 0 1px 0 rgba(180, 235, 255, .18);
}

.congress-hero__clock .congress-clock__unit strong {
  display: block;
  color: #fff;
  font-family: var(--font-en);
  font-size: 30px;
  font-weight: 800;
  line-height: 1.05;
  font-variant-numeric: tabular-nums;
}

.congress-hero__clock .congress-clock__unit span {
  display: block;
  margin-top: 4px;
  color: #7fd8ff;
  font-size: 12px;
  letter-spacing: .1em;
}

.congress-hero__clock .congress-clock__sep {
  align-self: center;
  color: #5cc8ff;
  font-size: 18px;
  font-weight: 700;
}

.congress-hero__clock .congress-clock__live {
  padding: 14px 24px;
  border: 1px solid rgba(96, 208, 255, .38);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(8, 46, 104, .82), rgba(2, 16, 42, .88));
  box-shadow: 0 10px 26px rgba(0, 6, 20, .45);
  text-align: center;
}

.congress-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 220px;
  min-height: 68px;
  padding: 0 32px;
  border-radius: 999px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: .04em;
}

.congress-btn--primary {
  color: #fff;
  background: linear-gradient(120deg, #1677ff, #2ea8ff);
  /* box-shadow: 0 0 30px rgba(40, 150, 255, .55), 0 16px 36px rgba(10, 90, 200, .42); */
}

.congress-btn--ghost {
  border: 1.5px solid rgba(74, 168, 255, .9);
  color: #eaf5ff;
  background: rgba(6, 26, 60, .42);
  box-shadow: 0 0 22px rgba(40, 130, 255, .25);
}

.congress-btn--gold {
  color: #1a1408;
  background: #e8b84a;
  box-shadow: 0 10px 28px rgba(232, 184, 74, .32);
}

.congress-hero__hud {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 28px;
  margin-top: 18px;
}

.congress-hero__hud > span {
  color: rgba(186, 204, 230, .78);
  font-size: 13px;
}

.congress-clock {
  display: flex;
  align-items: center;
  gap: 12px;
}

.congress-clock__kicker {
  margin: 0;
  color: rgba(186, 236, 255, .82);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
}

.congress-clock__digits {
  display: flex;
  align-items: stretch;
  gap: 6px;
  text-align: center;
}

.congress-clock__unit {
  min-width: 58px;
  padding: 8px 10px 6px;
  border: 1px solid rgba(94, 231, 255, .22);
  border-radius: 10px;
  background: rgba(8, 24, 56, .45);
}

.congress-clock__unit strong {
  display: block;
  font-family: var(--font-en);
  font-size: 22px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}

.congress-clock__unit span {
  display: block;
  margin-top: 2px;
  color: rgba(186, 236, 255, .72);
  font-size: 11px;
  letter-spacing: .18em;
}

.congress-clock__sep {
  align-self: center;
  color: #7af0ff;
  font-size: 20px;
  font-weight: 700;
  opacity: .8;
  animation: congress-tick 1s steps(2) infinite;
}

.congress-clock__live {
  display: grid;
  gap: 4px;
  padding: 10px 14px;
  border: 1px solid rgba(94, 231, 255, .22);
  border-radius: 10px;
  background: rgba(4, 20, 48, .45);
}

.congress-section {
  padding: 88px max(var(--container-gutter), calc((100% - var(--container)) / 2));
  background: #fff;
  scroll-margin-top: 84px;
}

.congress-section--soft {
  background: #f6f8fb;
}

body[data-page="summit-forum"] .congress-section {
  padding-top: 76px;
  padding-bottom: 76px;
}

body[data-page="summit-forum"] .congress-section--soft {
  background: linear-gradient(180deg, #eef4ff 0%, #f6f8fb 100%);
}

#congress-photos.congress-section {
  padding-right: 0;
  padding-left: 0;
}

#congress-photos .congress-more {
  margin-right: max(var(--container-gutter), calc((100% - var(--container)) / 2));
}

#congress-top {
  scroll-margin-top: 0;
}

.congress-head {
  margin: 0 0 40px;
  text-align: center;
}

.congress-head h2 {
  margin: 0;
  color: #1a2332;
  font-size: 32px;
  font-weight: 800;
}

.congress-head::after {
  content: "";
  display: block;
  width: 46px;
  height: 4px;
  margin: 14px auto 0;
  border-radius: 4px;
  background: #1677FF;
}

body[data-page="summit-forum"] .congress-head h2 {
  color: #0b4ea2;
}

body[data-page="summit-forum"] .congress-head::after {
  background: linear-gradient(90deg, #1677ff, #fdc33c);
}

body[data-page="summit-home"] .congress-head h2 {
  letter-spacing: .02em;
}

body[data-page="summit-home"] .congress-head::after {
  width: 64px;
  height: 5px;
  background: linear-gradient(90deg, #1677ff, #35d6e6);
}

body[data-page="summit-home"] .congress-hero h1,
body[data-page="summit-home"] .congress-hero__theme {
  text-shadow: 0 2px 18px rgba(0, 12, 34, .62);
}

.congress-about {
  margin: 0 auto;
  color: #4b5568;
  font-size: 16px;
  line-height: 2;
  text-align: justify;
}

body[data-page="summit-contest"] .congress-about {
  max-width: none;
}

body[data-page="summit-forum"] .congress-about {
  /* max-width: 980px; */
}

.congress-about p {
  margin: 0 0 18px;
}

body[data-page="summit-home"] .congress-about p:first-child {
  color: #1f2937;
  font-size: 18px;
  font-weight: 600;
}

.congress-about p:last-child {
  margin-bottom: 0;
}

#congress-about.congress-section {
  padding-bottom: 28px;
}

#congress-live.congress-section {
  padding-top: 36px;
}

#congress-live {
  display: none;
}

.congress-feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.congress-feature-grid article {
  display: grid;
  justify-items: center;
  gap: 12px;
  padding: 32px 22px 28px;
  border: 1px solid transparent;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 10px 28px rgba(17, 42, 84, .06);
  text-align: center;
}

.congress-feature-grid article.is-featured {
  border-color: #1677FF;
}

.congress-feature__icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #eaf3ff;
  mask: none;
}

.congress-feature__icon::before {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  background: #1677FF center / 26px no-repeat;
}

.congress-feature-grid article:nth-child(1) .congress-feature__icon::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='%231677FF' stroke-width='1.8' viewBox='0 0 24 24'%3E%3Cpath d='M7 3h8l4 4v14H7z'/%3E%3Cpath d='M15 3v5h5M8 12h8M8 16h6'/%3E%3C/svg%3E");
}

.congress-feature-grid article:nth-child(2) .congress-feature__icon::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='%231677FF' stroke-width='1.8' viewBox='0 0 24 24'%3E%3Crect x='4' y='5' width='16' height='15' rx='2'/%3E%3Cpath d='M8 3v4M16 3v4M4 10h16'/%3E%3C/svg%3E");
}

.congress-feature-grid article:nth-child(3) .congress-feature__icon::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='%231677FF' stroke-width='1.8' viewBox='0 0 24 24'%3E%3Ccircle cx='9' cy='8' r='3'/%3E%3Ccircle cx='16' cy='9' r='2.4'/%3E%3Cpath d='M4 19c.6-3.2 2.8-5 5-5s4.4 1.8 5 5M13.2 14.2c1.6-.4 3.4.6 4.8 3.8'/%3E%3C/svg%3E");
}

.congress-feature-grid article:nth-child(4) .congress-feature__icon::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='%231677FF' stroke-width='1.8' viewBox='0 0 24 24'%3E%3Cpath d='M5 19l7-15 3 7 6 2-16 6z'/%3E%3C/svg%3E");
}

.congress-feature-grid h3 {
  margin: 0;
  font-size: 18px;
}

.congress-feature-grid p {
  margin: 0;
  color: #64748b;
  font-size: 14px;
  line-height: 1.7;
}

.congress-pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 18px;
  margin-bottom: 28px;
}

.congress-pills a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 40px;
  padding: 0 18px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: #64748b;
  font-size: 15px;
  cursor: pointer;
}

.congress-pills a[aria-selected="true"] {
  color: #fff;
  background: #1677FF;
}

.congress-agenda[hidden] {
  display: none;
}

.congress-agenda-wrap {
  display: flex;
  align-items: stretch;
  border-radius: 8px;
  overflow: hidden;
}

.congress-agenda-days {
  display: flex;
  flex: 0 0 230px;
  flex-direction: column;
  justify-content: flex-start;
  gap: 9px;
  width: 230px;
  padding: 20px;
  background: #1136C4;
  text-align: center;
}

.congress-agenda-days::before {
  content: "";
  height: 1px;
  margin-bottom: 12px;
  background: linear-gradient(to right, transparent, #295ED6, transparent);
}

.congress-agenda-days a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  width: 100%;
  min-height: 44px;
  padding: 10px;
  border-radius: 25px;
  color: #fff;
  background: transparent;
  font-size: 16px;
  font-weight: 500;
}

.congress-agenda-days a[aria-selected="true"] {
  background: linear-gradient(90deg, #5397ED, #295ED6);
}

.congress-agenda-body {
  flex: 1;
  min-width: 0;
  padding: 20px 16px 16px;
  background: rgba(17, 54, 196, .1);
}

.congress-agenda-time {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  color: #1136C4;
  font-size: 16px;
  font-weight: 500;
}

.congress-agenda-time::before {
  content: "";
  width: 0;
  height: 0;
  border-top: 7px solid transparent;
  border-bottom: 7px solid transparent;
  border-left: 11px solid #1136C4;
}

.congress-agenda-inner {
  min-width: 0;
}

.congress-agenda > .congress-sheet__lead,
.congress-agenda-inner .congress-sheet__lead {
  padding: 4px 0 16px;
}

.congress-agenda-scroll {
  overflow-x: auto;
  border-radius: 8px;
  background: #d7e6f8;
}

.congress-agenda-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  table-layout: fixed;
  text-align: left;
}

.congress-agenda-table th,
.congress-agenda-table td {
  padding: 18px 22px;
  border: 3px solid #fff;
  font-size: 15px;
  line-height: 1.65;
  vertical-align: middle;
}

.congress-agenda-table thead th {
  color: #fff;
  font-weight: 800;
  text-align: center;
}

.congress-agenda-table thead th:nth-child(1) {
  width: 18%;
  background: #ff9f5f;
}

.congress-agenda-table thead th:nth-child(2) {
  width: 46%;
  background: #2080e0;
}

.congress-agenda-table thead th:nth-child(3) {
  width: 36%;
  background: #2848b0;
}

.congress-agenda-table tbody th {
  color: #1a2332;
  background: #fff5ed;
  font-weight: 800;
  text-align: center;
  vertical-align: middle;
}

.congress-agenda-table tbody td {
  color: #111827;
  background: #e9f2ff;
  text-align: left;
  font-weight: 700;
}

.congress-agenda-table tbody td:last-child {
  color: #1a2332;
  font-weight: 600;
}

.congress-agenda-table tbody td:last-child,
.congress-agenda-table thead th:last-child {
  padding-left: 16px;
  border-right: 0;
}

.congress-sheet {
  overflow: hidden;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 12px 32px rgba(17, 42, 84, .08);
  border-left: 6px solid #1677FF;
}

.congress-sheet__lead {
  margin: 0;
  padding: 22px 28px 12px;
  color: #1a2332;
  font-size: 18px;
  font-weight: 800;
}

.congress-row {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 18px;
  padding: 16px 28px;
  border-top: 1px solid #eef2f7;
}

.congress-row time {
  color: #1677FF;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.congress-row strong {
  color: #334155;
  font-weight: 600;
}

.congress-agenda-note {
  margin: 18px 0 0;
  color: #94a3b8;
  font-size: 13px;
  text-align: center;
}

.congress-ticket-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.congress-ticket {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 460px;
  padding: 28px 24px 24px;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 12px 28px rgba(17, 42, 84, .07);
  border-top: 4px solid #1677FF;
}

.congress-ticket--gold {
  border-top-color: #d4a017;
}

.congress-ticket--blue {
  border-top-color: #1677FF;
}

.congress-ticket--navy {
  border-top-color: #0f2748;
}

.congress-ticket h3 {
  margin: 0;
  font-size: 20px;
}

.congress-ticket__price {
  margin: 0;
  color: #111;
  font-size: 36px;
  font-weight: 800;
}

.congress-ticket > p {
  margin: 0;
  color: #475569;
  line-height: 1.7;
}

.congress-ticket__gets {
  margin: 10px 0 0 !important;
  color: #c41e3a !important;
  font-weight: 800;
}

.congress-ticket ul {
  margin: 0 0 16px;
  padding-left: 18px;
  color: #334155;
}

.congress-ticket li + li {
  margin-top: 6px;
}

.congress-ticket a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: center;
  min-width: 140px;
  min-height: 42px;
  margin-top: auto;
  border: 1px solid currentColor;
  border-radius: 999px;
  background: #fff;
  font-weight: 700;
}

.congress-ticket--gold a {
  color: #c39212;
}

.congress-ticket--blue a {
  color: #1677FF;
}

.congress-ticket--navy a {
  color: #0f2748;
}

.congress-ticket-note {
  /* max-width: 820px; */
  margin: 22px auto 0;
  color: #64748b;
  font-size: 14px;
  line-height: 1.9;
  text-align: left;
}

.congress-ticket-note p {
  margin: 0 0 8px;
}

.congress-overview {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 28px;
  margin: 0 0 32px;
  padding: 24px 28px 24px 48px;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 10px 26px rgba(17, 42, 84, .06);
  color: #334155;
}

.congress-overview li + li {
  margin-top: 0;
}

.congress-player {
  position: relative;
  width: 100%;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  min-height: 520px;
  border-radius: 16px;
  background: #04102c;
}

.congress-player img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.congress-player__mask {
  position: absolute;
  inset: 0;
  display: grid;
  align-content: end;
  gap: 8px;
  padding: 28px;
  color: #fff;
  background: linear-gradient(180deg, rgba(4, 12, 40, .12), rgba(4, 12, 40, .78));
}

.congress-player__mask em {
  width: max-content;
  padding: 4px 10px;
  border-radius: 4px;
  background: #c41e3a;
  font-style: normal;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .2em;
}

.congress-player__mask strong {
  font-size: 24px;
}

.congress-player__mask p {
  margin: 0;
}

.congress-guest-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.congress-guest-grid article {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 100%;
  padding: 18px 16px;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 10px 26px rgba(17, 42, 84, .06);
}

.congress-guest-grid h3 {
  margin: 0;
  font-size: 17px;
  line-height: 1.4;
}

.congress-guest-grid p {
  margin: 0;
  color: #64748b;
  font-size: 14px;
  line-height: 1.65;
}

.congress-logo-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  background: #fff;
  gap: 20px;
}

.congress-logo-grid span {
padding: 18px 16px;
    /* border: 1px solid #e6eaf0;
    border-bottom: 1px solid #e6eaf0; */
    text-align: center;
    display: flex;
    align-items: center;
}

.congress-logo-grid img {
  width: auto;
    /* height: 34px; */
    max-width: 100%;
    object-fit: contain;
    margin: auto;
}

.congress-logo-grid__text {
  color: #12304f;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.45;
  text-align: center;
}

.congress-logo-grid small {
  color: #64748b;
  font-size: 13px;
  font-weight: 600;
}

.congress-org {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 0;
  text-align: left;
}

.congress-org article {
  position: relative;
  overflow: hidden;
  width: 100%;
  min-height: 0;
  padding: 18px 22px 18px 26px;
  border: 0;
  border-radius: 16px;
  background: linear-gradient(135deg, #fff 0%, #f4f8ff 100%);
  box-shadow: 0 8px 22px rgba(17, 42, 84, .07);
}

.congress-org article::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  /* background: linear-gradient(180deg, #1456A8, #00b478); */
}

body[data-page="summit-home"] .congress-org article::before {
  background: linear-gradient(180deg, #1677ff, #35d6e6);
}

.congress-org article::after {
  content: "";
  position: absolute;
  right: -32px;
  top: -32px;
  width: 110px;
  height: 110px;
  border-radius: 50%;
  /* background: rgba(20, 86, 168, .07); */
}

.congress-org span {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 2px 10px;
  border-radius: 999px;
  color: #1456A8;
  background: #e8f1ff;
  font-size: 12px;
  font-weight: 700;
}

.congress-org span + strong {
  display: block;
  margin-top: 10px;
}

.congress-org strong {
  position: relative;
  z-index: 1;
  color: #1a2332;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.7;
}

.congress-speakers {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 20px;
}

.congress-speakers__group {
  margin: 0 0 18px;
  color: #111;
  font-size: 20px;
}

.congress-speakers article,
.congress-speaker-card {
  position: relative;
  display: block;
  overflow: hidden;
  padding: 0;
  border: 0;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 4px 14px rgba(0,0,0,.08);
  text-align: left;
  transition: transform .18s ease, box-shadow .18s ease;
}

.congress-speaker-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 26px rgba(0,0,0,.12);
}

.congress-speakers img,
.congress-speakers__photo,
.congress-speakers__photo svg {
  display: block;
  width: 100%;
  height: 300px;
  overflow: hidden;
  object-fit: cover;
  object-position: top center;
  margin: auto;
}

.congress-speakers__info {
  display: block;
  padding: 14px 16px 16px;
  background: #fff;
}

.congress-speakers__info strong {
  display: block;
  color: #111;
  font-size: 18px;
  line-height: 1.3;
}

.congress-speakers__info em {
  display: block;
  margin-top: 5px;
  color: #666;
  font-style: normal;
  font-size: 14px;
  line-height: 1.5;
}

.congress-speaker-card__detail {
  display: none;
  align-items: center;
  justify-content: center;
  width: fit-content;
  margin-top: 12px;
  padding: 7px 14px;
  border: 1px solid rgba(11, 78, 162, .22);
  border-radius: 999px;
  color: #0B4EA2;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.congress-speaker-card__detail:hover,
.congress-speaker-card__detail:focus-visible {
  color: #fff;
  background: #0B4EA2;
  outline: none;
}

.speaker-detail {
  width: min(100% - 32px, 1240px);
  margin: 0 auto;
  padding: 26px 0 64px;
  color: #1a2332;
}

.speaker-detail__card {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 36px;
  padding: 32px;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 12px 32px rgba(17, 42, 84, .08);
}

.speaker-detail figure {
  margin: 0;
  overflow: hidden;
  border-radius: 10px;
  background: #d7e4f7;
}

.speaker-detail img {
  display: block;
  width: 100%;
  height: 360px;
  object-fit: cover;
}

.speaker-detail > div > span {
  color: #1677FF;
  font-size: 14px;
  font-weight: 700;
}

.speaker-detail h1 {
  margin: 8px 0 14px;
  font-size: 30px;
}

.speaker-detail__card > div > p {
  margin: 0 0 28px;
  color: #64748b;
  line-height: 1.8;
}

.speaker-detail__sections {
  display: grid;
  gap: 20px;
}

.speaker-detail__sections h2 {
  margin: 0 0 8px;
  font-size: 18px;
}

.speaker-detail__sections p,
.speaker-detail__sections li {
  color: #475569;
  line-height: 1.8;
}

.speaker-detail__sections ul {
  margin: 0;
  padding-left: 20px;
}

.congress-venue {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.congress-venue article {
  display: grid;
  justify-items: center;
  align-content: start;
  gap: 10px;
  padding: 36px 28px 32px;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 10px 26px rgba(17, 42, 84, .06);
  text-align: center;
}

.congress-venue__icon {
  display: grid;
  place-items: center;
  color: #1677FF;
}

.congress-venue h3 {
  margin: 4px 0 8px;
  color: #1a2332;
  font-size: 24px;
}

.congress-venue p {
  margin: 0;
  width: 100%;
  color: #334155;
  font-size: 16px;
  line-height: 1.8;
  text-align: left;
}

.congress-venue__pin {
  margin-top: 8px;
  color: #64748b;
  font-size: 13px;
}

.congress-feed {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-auto-flow: column;
  column-gap: 48px;
}

.congress-feed a {
  display: block;
  padding: 18px 0;
  border-bottom: 1px solid #e8edf3;
  color: #1a2332;
  font-size: 16px;
  line-height: 1.65;
}

.congress-feed a:hover {
  color: #1677FF;
}

.congress-news-board {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 28px;
  align-items: stretch;
  text-align: left;
}

.congress-news-board__featured,
.congress-news-board__item {
  color: #1a2332;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.congress-news-board__featured {
  display: grid;
  overflow: hidden;
  border: 1px solid #e8edf3;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 12px 30px rgba(17, 42, 84, .06);
}

.congress-news-board__featured .media-frame {
  min-height: 240px;
}

.congress-news-board__featured-copy {
  display: grid;
  gap: 10px;
  padding: 24px;
}

.congress-news-board__featured-copy h3 {
  margin: 0;
  font-size: 22px;
  line-height: 1.5;
}

.congress-news-board__featured-copy p,
.congress-news-board__item p {
  margin: 0;
  color: #64748b;
  font-size: 14px;
  line-height: 1.75;
}

.congress-news-board__list {
  display: grid;
  align-content: start;
  gap: 14px;
}

.congress-news-board__item {
  display: grid;
  gap: 7px;
  padding: 18px 20px;
  border: 1px solid #e8edf3;
  border-left: 4px solid #e8edf3;
  border-radius: 14px;
  background: #fff;
}

.congress-news-board__item strong {
  font-size: 16px;
  line-height: 1.55;
}

.congress-news-board__meta {
  color: #1677FF;
  font-size: 12px;
  font-weight: 700;
}

.congress-news-board__cta {
  color: #1677FF;
  font-size: 14px;
  font-weight: 700;
}

.congress-news-board__featured:hover,
.congress-news-board__item:hover {
  border-color: rgba(22, 119, 255, .38);
  transform: translateY(-3px);
}

.congress-news-archive {
  min-width: 0;
}

.congress-news-archive-head {
  padding-bottom: 20px;
  border-bottom: 1px solid #e8edf3;
}

.congress-news-archive-head h1 {
  margin: 0 0 10px;
  font-size: 28px;
}

.congress-news-archive-head p {
  margin: 0;
  color: #5A6577;
}

@media (max-width: 767px) {
  .congress-news-archive {
    padding: 18px 14px;
  }
}

.congress-news-list {
  margin-top: 28px;
}

.congress-news-item {
  background: #fff;
  border: 1px solid #e8edf3;
  overflow: hidden;
}

.congress-more {
  display: block;
  width: max-content;
  margin: 28px 0 0 auto;
  color: #1677FF;
  font-size: 14px;
  font-weight: 700;
}

.congress-photo-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.congress-photo-grid figure {
  margin: 0;
}

.congress-photo-grid img {
  display: block;
  width: 100%;
  height: 168px;
  object-fit: cover;
  background: #dbe7f5;
}

.congress-photo-grid figcaption {
  margin-top: 8px;
  color: #64748b;
  font-size: 13px;
  text-align: center;
}

.congress-photo-carousel {
  position: relative;
  width: 100%;
}

.congress-photo-carousel__viewport {
  overflow: hidden;
}

.congress-photo-carousel__track {
  display: flex;
  gap: 16px;
  width: max-content;
  padding: 6px 0;
  animation: congress-photo-marquee 36s linear infinite;
}

.congress-photo-carousel__track figure {
  flex: 0 0 auto;
  width: min(276px, 72vw);
  margin: 0;
}

.congress-photo-carousel__track img {
  display: block;
  width: 100%;
  height: 184px;
  object-fit: cover;
  /* border-radius: 16px; */
  background: #dbe7f5;
  /* box-shadow: 0 12px 28px rgba(17, 42, 84, .10); */
}

.congress-photo-carousel:hover .congress-photo-carousel__track,
.congress-photo-carousel:focus-within .congress-photo-carousel__track {
  animation-play-state: paused;
}

.congress-photo-carousel:focus {
  outline: none;
}

@keyframes congress-photo-marquee {
  from {
    transform: translate3d(0, 0, 0);
  }

  to {
    transform: translate3d(calc(-50% - 8px), 0, 0);
  }
}

.congress-album {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.congress-album figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: 6px;
}

.congress-album img {
  display: block;
  width: 100%;
  height: 168px;
  object-fit: cover;
}

.congress-video-play {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(7, 20, 51, .22);
}

.congress-video-play::after {
  content: "";
  width: 0;
  height: 0;
  border-top: 13px solid transparent;
  border-bottom: 13px solid transparent;
  border-left: 20px solid #fff;
  filter: drop-shadow(0 3px 10px rgba(0,0,0,.25));
}

.congress-album figure:hover .congress-video-play {
  background: rgba(7, 20, 51, .34);
}

.congress-foot {
  background: #071433;
  color: #fff;
  scroll-margin-top: 84px;
}

body[data-page="summit-forum"] .congress-foot {
  border-top: 4px solid #fdc33c;
  background: linear-gradient(180deg, #0b4ea2 0%, #071433 100%);
}

.congress-foot__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 64px var(--container-gutter) 48px;
}

.congress-foot strong {
  display: block;
  margin-bottom: 8px;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: .04em;
}

.congress-foot p {
  margin: 0 0 8px;
  color: rgba(255, 255, 255, .78);
}

.congress-foot h2 {
  margin: 0 0 16px;
  font-size: 18px;
}

.congress-foot__copy {
  margin-top: 18px !important;
  color: rgba(255, 255, 255, .5) !important;
  font-size: 13px;
}

.congress-foot__contact {
  display: flex;
  gap: 18px;
  align-items: center;
}

.congress-foot__contact img {
  width: 120px;
  height: 120px;
  object-fit: contain;
  padding: 8px;
  border-radius: 10px;
  background: #fff;
}

.congress-totop {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 90;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  color: #fff;
  background: #1677FF;
  /* box-shadow: 0 10px 24px rgba(22, 119, 255, .35); */
  font-size: 18px;
}

body[data-page="summit-forum"] .congress-totop {
  color: #12233f;
  background: #fdc33c;
}

/* ===== 活动报名表单（congress 报名页；样式自包含，不依赖 data-page 主题键）===== */
.congress-register {
  width: min(calc(100% - (var(--container-gutter) * 2)), 860px, var(--container));
  margin: 48px auto 96px;
  padding: 44px 48px 48px;
  border: 1px solid #e3eaf4;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 18px 48px rgba(17, 24, 39, .08);
}

/*页头：活动期数徽标 + 标题 + 说明*/
.congress-register__head {
  padding-bottom: 24px;
  border-bottom: 1px solid #eef2f8;
}

.congress-register__eyebrow {
  display: inline-flex;
  align-items: center;
  margin: 0 0 14px;
  padding: 5px 14px;
  border-radius: 999px;
  background: #eef4ff;
  color: #1668dc;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .02em;
}

.congress-register__head h1 {
  margin: 0 0 10px;
  color: #1a2332;
  font-size: 30px;
  line-height: 1.25;
}

.congress-register__intro {
  margin: 0;
  max-width: 640px;
  color: #5b6b80;
  font-size: 15px;
  line-height: 1.8;
}

/*报名须知：横向信息条*/
.congress-register__notice {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin: 20px 0 0;
}

.congress-register__notice > div {
  padding: 12px 14px;
  border-left: 3px solid #1677ff;
  border-radius: 8px;
  background: #f6f9fe;
}

.congress-register__notice dt {
  color: #94a3b8;
  font-size: 12.5px;
  font-weight: 600;
}

.congress-register__notice dd {
  margin: 4px 0 0;
  color: #1a2332;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
}

/*表单分组：编号 01 / 02 / 03*/
.congress-register__form {
  counter-reset: reg-group;
}

.congress-register__form fieldset {
  counter-increment: reg-group;
  margin: 34px 0 0;
  border: 0;
  padding: 0;
}

.congress-register__form fieldset:first-of-type {
  margin-top: 28px;
}

.congress-register legend {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  padding: 0;
  color: #1a2332;
  font-size: 16.5px;
  font-weight: 700;
}

.congress-register legend::before {
  content: counter(reg-group, decimal-leading-zero);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: #eef4ff;
  color: #1677ff;
  font-size: 13px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

/*基础字段：双列栅格，地址整行*/
.congress-register__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 20px;
}

.congress-register__grid > label {
  display: grid;
  align-content: start;
  gap: 7px;
  margin: 0;
}

.congress-register__field--wide {
  grid-column: 1 / -1;
}

.congress-register label > span {
  color: #3d4a5c;
  font-size: 13.5px;
  font-weight: 600;
}

.congress-register input:not([type="radio"]):not([type="checkbox"]):not([type="file"]):not([type="hidden"]) {
  min-height: 46px;
  padding: 0 14px;
  border: 1px solid #dbe3ee;
  border-radius: 10px;
  background: #fbfcfe;
  color: #1a2332;
  font-size: 15px;
  transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
}

.congress-register input:not([type="radio"]):not([type="checkbox"]):not([type="file"]):not([type="hidden"]):hover {
  border-color: #b9c8dd;
}

.congress-register input:not([type="radio"]):not([type="checkbox"]):not([type="file"]):not([type="hidden"]):focus {
  outline: none;
  border-color: #1677ff;
  background: #fff;
  box-shadow: 0 0 0 3px rgba(22, 119, 255, .13);
}

/*参会类型：可选卡片（不支持 :has 的浏览器保留原生单选点）*/
.congress-choices {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.congress-choices > label {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 15px 44px 15px 16px;
  border: 1.5px solid #dbe3ee;
  border-radius: 12px;
  background: #fbfcfe;
  color: #1a2332;
  font-size: 14.5px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease, box-shadow .15s ease;
}

.congress-choices > label:hover {
  border-color: #9dbdf9;
  background: #f5f9ff;
}

.congress-choices input {
  width: 16px;
  height: 16px;
  margin: 0;
  flex: none;
  accent-color: #1677ff;
}

@supports selector(:has(*)) {
  .congress-choices > label:has(input) input {
    position: absolute;
    opacity: 0;
  }
}

.congress-choices > label:has(input:checked) {
  border-color: #1677ff;
  background: #eef5ff;
  box-shadow: 0 0 0 1px #1677ff;
}

.congress-choices > label:has(input:checked)::after {
  content: "✓";
  position: absolute;
  right: 14px;
  top: 50%;
  width: 20px;
  height: 20px;
  margin-top: -10px;
  border-radius: 50%;
  background: #1677ff;
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  line-height: 20px;
  text-align: center;
}

.congress-choices > label:has(input:focus-visible) {
  box-shadow: 0 0 0 3px rgba(22, 119, 255, .18);
}

/*作品附件上传*/
.congress-register .reg-attach {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.congress-register .reg-attach__pick {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 24px 16px;
  border: 1.5px dashed #b9c8dd;
  border-radius: 12px;
  background: #f8fafd;
  color: #5b6b80;
  font-size: 14px;
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease, color .15s ease;
}

.congress-register .reg-attach__pick:hover {
  border-color: #1677ff;
  background: #f0f6ff;
  color: #1677ff;
}

.congress-register .reg-attach__icon {
  width: 30px;
  height: 30px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  font-size: 17px;
  line-height: 27px;
}

.congress-register .reg-attach__hint {
  font-size: 12px;
  color: #94a3b8;
}

.congress-register .reg-attach__info {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border: 1px solid #dbeafe;
  border-radius: 10px;
  background: #f2f7ff;
  font-size: 13.5px;
}

.congress-register .reg-attach__name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: #1a2332;
}

.congress-register .reg-attach__op {
  flex: none;
  border: 0;
  background: transparent;
  color: #1677ff;
  font-size: 13px;
  cursor: pointer;
  padding: 2px 4px;
}

.congress-register .reg-attach__op--danger { color: #cf1322; }

.congress-register .reg-attach__progress {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  color: #5b6b80;
}

.congress-register .reg-attach__bar {
  flex: 1;
  height: 8px;
  border-radius: 4px;
  background: #e6edf5;
  overflow: hidden;
}

.congress-register .reg-attach__bar i {
  display: block;
  height: 100%;
  width: 0;
  border-radius: 4px;
  background: linear-gradient(90deg, #1677ff, #3aa0ff);
  transition: width .2s ease;
}

/*错误态：标红项 + 整组高亮*/
.congress-register .contest-register-alert {
  margin: 18px 0 0;
  padding: 11px 16px;
  border: 1px solid #ffccc7;
  border-radius: 10px;
  background: #fff2f0;
  color: #cf1322;
  font-size: 14px;
  line-height: 1.6;
}

.congress-register .field-error {
  font-style: normal;
  font-size: 12.5px;
  line-height: 1.5;
  color: #cf1322;
}

.congress-register label.has-error > span { color: #cf1322; }
.congress-register label.has-error > input { border-color: #ff7875; background: #fffafa; }
.congress-register label.has-error > input:focus {
  border-color: #cf1322;
  box-shadow: 0 0 0 3px rgba(207, 19, 34, .12);
}

.congress-register fieldset.has-error {
  border: 1px solid #ffccc7;
  border-radius: 12px;
  padding: 14px 16px 16px;
  background: #fffafa;
}

.congress-register fieldset.has-error > legend { color: #cf1322; }
.congress-register fieldset.has-error > legend::before { background: #fff2f0; color: #cf1322; }

/*提交区*/
.congress-register__actions {
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid #eef2f8;
}

.congress-register .contest-register-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 360px;
  min-height: 50px;
  margin: 0 auto;
  border: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, #1677ff 0%, #0e5fd8 100%);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .06em;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(22, 119, 255, .28);
  transition: transform .15s ease, box-shadow .15s ease, filter .15s ease;
}

.congress-register .contest-register-submit:hover {
  filter: brightness(1.06);
  transform: translateY(-1px);
  box-shadow: 0 12px 30px rgba(22, 119, 255, .34);
}

.congress-register .contest-register-submit:active { transform: translateY(0); }
.congress-register .contest-register-submit:disabled { opacity: .72; cursor: default; transform: none; box-shadow: none; }

/*提交成功态*/
.congress-register .contest-register-done {
  margin-top: 28px;
  padding: 42px 24px 46px;
  border-radius: 12px;
  background: #f6f9fe;
  text-align: center;
}

.congress-register .contest-register-done h2 {
  margin: 0 0 10px;
  color: #1a2332;
  font-size: 22px;
}

.congress-register .contest-register-done h2::before {
  content: "✓";
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: #e8f7ee;
  color: #16a34a;
  font-size: 26px;
}

.congress-register .contest-register-done p {
  margin: 0 0 6px;
  color: #5b6b80;
  font-size: 15px;
  line-height: 1.8;
}

.congress-register .contest-register-done__actions { margin: 20px 0 0; }

@keyframes congress-tick {
  0%, 49% { opacity: .9; }
  50%, 100% { opacity: .25; }
}

@media (prefers-reduced-motion: reduce) {
  .congress-clock__sep {
    animation: none;
  }

  .congress-photo-carousel__track {
    animation: none;
  }
}

@media (max-width: 1024px) {
  .congress-topbar__inner {
    grid-template-columns: auto minmax(0, 1fr) auto;
    min-height: 64px;
    padding: 0;
  }

  .congress-anchors {
    flex: 1 1 auto;
    order: 0;
    justify-content: flex-start;
    flex-wrap: wrap;
    overflow-x: visible;
  }

  .congress-feature-grid,
  .congress-ticket-grid,
  .congress-venue,
  .congress-photo-grid,
  .congress-foot__inner,
  .congress-guest-grid,
  .congress-overview,
  .congress-logo-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

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

@media (max-width: 767px) {
  body[data-page="summit-home"] .congress-topbar__inner {
    gap: 12px 14px;
    min-height: 58px;
    padding: 0;
  }

  body[data-page="summit-home"] .congress-logo {
    gap: 8px;
  }

  .congress-logo img {
    width: 176px;
    height: auto;
  }

  body[data-page="summit-home"] .congress-logo strong {
    font-size: 17px;
    letter-spacing: 1px;
  }

  body[data-page="summit-home"] .congress-logo small {
    font-size: 8px;
  }

  body[data-page="summit-home"] .congress-anchors {
    gap: 2px;
  }

  body[data-page="summit-home"] .congress-anchors a,
  body[data-page="summit-home"] .congress-review-dropdown__toggle {
    min-height: 32px;
    padding: 7px 10px;
    font-size: 13.5px;
  }

  body[data-page="summit-home"] .congress-topbar__actions {
    gap: 8px;
  }

  body[data-page="summit-home"] .congress-topbar__actions a[data-action="login"] {
    min-height: 32px;
    padding: 0 12px;
    font-size: 13px;
  }

  body[data-page="summit-home"] .congress-section {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  body[data-page="summit-home"] .congress-head {
    margin-bottom: 28px;
  }

  body[data-page="summit-home"] .congress-head h2 {
    font-size: 26px;
  }

  .congress-hero {
    min-height: 0;
    background-position: 72% 34%;
    background-size: 168% auto;
  }

  .congress-hero__inner {
    min-height: 0;
    padding: 52px var(--container-gutter) 44px;
  }

  .congress-hero__en {
    font-size: 21px;
  }

  .congress-hero h1 {
    font-size: clamp(30px, 9.4vw, 40px);
  }

  .congress-hero--forum .congress-hero__inner {
    min-height: 0;
  }

  .congress-hero--forum .congress-hero__en {
    font-size: 21px;
  }

  .congress-hero--forum .congress-hero__copy h1 {
    font-size: clamp(30px, 9.4vw, 40px);
    line-height: 1.1;
    margin-bottom: 18px;
  }

  .congress-hero--forum .congress-hero__side {
    gap: 18px;
  }

  .congress-hero--forum .congress-hero__clock-note {
    margin-left: 16px;
  }

  .congress-hero__board {
    position: static;
    width: 100%;
    margin-top: 26px;
    padding: 14px 16px 18px;
    transform: none;
  }

  .congress-hero__board::after {
    display: none;
  }

  .congress-board__digits {
    gap: 8px;
  }

  .congress-hero__actions {
    position: static;
    width: 100%;
    margin-top: 22px;
  }

  .congress-hero__actions .congress-btn {
    flex: 1 1 0;
    min-width: 0;
  }

  .congress-feature-grid,
  .congress-ticket-grid,
  .congress-venue,
  .congress-photo-grid,
  .congress-foot__inner,
  .congress-row,
  .congress-choices,
  .congress-guest-grid,
  .congress-overview,
  .congress-logo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .congress-speakers img,
  .congress-speakers__photo,
  .congress-speakers__photo svg {
    height: 260px;
  }

  .speaker-detail__card {
    grid-template-columns: 1fr;
    padding: 20px;
  }

  .speaker-detail img {
    height: 300px;
  }

  .congress-feed {
    grid-template-columns: 1fr;
    grid-auto-flow: row;
    grid-template-rows: none;
  }

  .congress-news-board {
    grid-template-columns: 1fr;
  }

  .congress-clock__digits {
    gap: 4px;
  }

  .congress-clock__unit {
    min-width: 48px;
  }

  .congress-player {
    min-height: 360px;
  }

  .congress-foot__contact {
    flex-direction: column;
    align-items: flex-start;
  }

  .congress-register {
    margin: 20px 16px 56px;
    padding: 26px 18px 30px;
  }

  .congress-register__head h1 {
    font-size: 24px;
  }

  .congress-register__grid {
    grid-template-columns: 1fr;
  }

  .congress-choices {
    grid-template-columns: 1fr;
  }
}

.congress-speaker-card {
  width: 100%;
  min-width: 0;
  border: 1px solid transparent;
  font: inherit;
  cursor: default;
  border-radius: 0;
}

.congress-speaker-card:hover,
.congress-speaker-card:focus-visible {
  /* border-color: #1677ff; */
  /* box-shadow: 0 10px 26px rgba(22, 119, 255, .14); */
}

.congress-speaker-detail h3 {
  margin: 24px 0 8px;
  color: #1a2332;
  font-size: 16px;
}

.congress-speaker-detail h3:first-child { margin-top: 0; }
.congress-speaker-detail p,
.congress-speaker-detail li { line-height: 1.8; }

/* Industry forum: all dates and sessions stay expanded in document flow. */
.forum-agenda-flat {
  display: grid;
  gap: 40px;
  min-width: 0;
}
.forum-agenda-day {
  position: relative;
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr);
  gap: 40px;
}
.forum-agenda-day::before {
  content: "";
  position: absolute;
  top: 28px;
  bottom: -68px;
  left: 145px;
  width: 2px;
  background: #c8dcf8;
}
.forum-agenda-day:last-child::before { bottom: 0; }
.forum-agenda-day > h3 {
  position: relative;
  margin: 0;
  padding: 18px 0;
  color: #1136c4;
  font-size: 22px;
  line-height: 1.4;
}
.forum-agenda-day > h3::after {
  content: "";
  position: absolute;
  top: 25px;
  left: 139px;
  width: 14px;
  height: 14px;
  box-sizing: border-box;
  border: 3px solid #fff;
  border-radius: 50%;
  background: #1677ff;
  box-shadow: 0 0 0 3px #dceaff;
}
.forum-agenda-day > h3 small {
  display: block;
  margin-top: 8px;
  color: #66758a;
  font-size: 14px;
  font-weight: 500;
}
.forum-agenda-day__content { min-width: 0; }
.forum-agenda-day__content > :first-child { margin-top: 0; }
.forum-agenda-session {
  margin-top: 22px;
  overflow-wrap: anywhere;
  border: 1px solid #dce6f3;
  background: #fff;
}

body[data-page="summit-home"] .forum-agenda-session {
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

body[data-page="summit-home"] .forum-agenda-session:hover {
  transform: translateY(-3px);
  border-color: #1677ff;
  box-shadow: 0 14px 30px rgba(22, 119, 255, .12);
}
.forum-agenda-session__head {
  display: flex;
  align-items: baseline;
  gap: 20px;
  padding: 18px 24px;
  border-bottom: 1px solid #dce6f3;
  background: #f3f7fd;
}
.forum-agenda-session__head h4 {
  margin: 0;
  color: #163866;
  font-size: 18px;
  line-height: 1.6;
}
.forum-agenda-time {
  flex-shrink: 0;
  color: #1677ff;
  font-size: 15px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.forum-agenda-items {
  margin: 0;
  padding: 0;
  list-style: none;
}
.forum-agenda-items li {
  display: flex;
  gap: 20px;
  padding: 16px 24px;
  border-bottom: 1px solid #edf1f7;
  line-height: 1.8;
}
.forum-agenda-items li:last-child { border-bottom: 0; }
.forum-agenda-items li > div { min-width: 0; }
.forum-agenda-speaker { margin: 0; color: #526177; font-size: 15px; }
.forum-agenda-topic { margin: 4px 0 0; color: #172b4d; font-size: 16px; font-weight: 600; }
.forum-agenda-session__note { margin: 16px 24px; color: #66758a; font-size: 14px; }

body[data-page="summit-forum"] .forum-agenda-day::before {
  background: linear-gradient(180deg, #1677ff, #fdc33c);
}

body[data-page="summit-forum"] .forum-agenda-day > h3 {
  color: #0b4ea2;
}

body[data-page="summit-forum"] .forum-agenda-day > h3::after {
  background: #fdc33c;
  box-shadow: 0 0 0 3px #fff0bf;
}

body[data-page="summit-forum"] .forum-agenda-session {
  border-color: #c9dbf7;
}

body[data-page="summit-forum"] .forum-agenda-session__head {
  border-bottom-color: #c9dbf7;
  background: #edf4ff;
}

body[data-page="summit-forum"] .forum-agenda-items li {
  border-bottom-color: #e6eefa;
}

@media (max-width: 640px) {
  .forum-agenda-flat { gap: 28px; }
  .forum-agenda-day { grid-template-columns: minmax(0, 1fr); gap: 14px; padding-left: 24px; }
  .forum-agenda-day::before { left: 5px; top: 22px; bottom: -50px; }
  .forum-agenda-day > h3 { padding: 8px 0; font-size: 20px; }
  .forum-agenda-day > h3::after { left: -25px; top: 15px; }
  .forum-agenda-day > h3 small { margin-top: 4px; }
  .forum-agenda-session__head,
  .forum-agenda-items li { flex-direction: column; gap: 4px; padding: 14px 16px; }
  .forum-agenda-session__head h4 { font-size: 17px; }
  .forum-agenda-session__note { margin: 14px 16px; }
}

/* 新闻中心 */
body[data-page="news-center"] #site-header {
  display: none;
}

body[data-page="news-center"] {
  background: #f6f8fb;
}

.news-center-page {
  padding-top: 26px;
  padding-bottom: 60px;
}

.news-center-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 22px;
}

.news-center-tabs a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 38px;
  padding: 8px 18px;
  border: 1px solid rgba(22, 119, 255, .22);
  border-radius: 999px;
  background: #fff;
  color: #33405a;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
}

.news-center-tabs a[aria-selected="true"] {
  color: #fff;
  background: #1677FF;
  border-color: #1677FF;
}

.news-center-panel[hidden] {
  display: none;
}

.news-center-panel .congress-photo-grid,
.news-center-panel .congress-news-list {
  margin-top: 0;
}

.news-center .feed-status {
  padding-top: 24px;
  color: #64748b;
  font-size: 14px;
  text-align: center;
}

.news-center-video {
  position: relative;
}

.news-center-video figcaption {
  text-align: center;
}

.news-center-video .congress-video-play {
  bottom: auto;
  height: 168px;
  border-radius: 14px 14px 0 0;
}

@media (max-width: 767px) {
  .news-center-page {
    padding-top: 18px;
    padding-bottom: 40px;
  }

  .news-center-tabs a {
    padding: 8px 14px;
  }
}

.news-center-photo-open {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
}
.news-center-photo-open:focus-visible { outline: 2px solid #1677ff; outline-offset: 3px; }
.news-photo-preview {
  width: 100vw;
  height: 100vh;
  max-width: 100vw;
  max-height: 100vh;
  padding: 24px;
  border: 0;
  background: transparent;
  color: #fff;
}
.news-photo-preview[open] { display: grid; place-items: center; }
.news-photo-preview::backdrop { background: rgb(0 0 0 / 85%); }
.news-photo-preview__content { position: relative; max-width: 100%; text-align: center; }
.news-photo-preview__content img { display: block; width: auto; height: auto; max-width: 100%; max-height: 80vh; object-fit: contain; margin: auto; }
.news-photo-preview__content p { margin: 12px 0 0; }
.news-photo-preview__close {
  position: fixed;
  top: max(16px, env(safe-area-inset-top));
  right: max(16px, env(safe-area-inset-right));
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: #fff;
  font-size: 32px;
  line-height: 1;
  cursor: pointer;
  z-index: 1;
}
.news-photo-preview__close:focus-visible { outline: 2px solid currentColor; outline-offset: 2px; }

.news-center-video .news-center-photo-open { position: relative; cursor: pointer; }
.news-center-video .news-center-photo-open .congress-video-play { inset: 0; height: 100%; pointer-events: none; }
.news-video-preview video { display: block; width: min(1100px, 90vw); max-height: 78vh; background: #000; }
.news-video-preview video[hidden] { display: none; }
.news-video-preview [data-video-message] { padding: 32px; }

.congress-photo-carousel__track .news-center-photo-open { height: 100%; }
.congress-photo-carousel:focus-within .congress-photo-carousel__track { animation-play-state: paused; }

/* Speaker profile shared by all conference detail pages. */
a.congress-speaker-card { cursor: pointer; color: inherit; text-decoration: none; }
a.congress-speaker-card:focus-visible { outline: 3px solid #1677ff; outline-offset: 4px; }
.speaker-profile { padding: 0 0 64px 0; }
.speaker-profile__layout { display: grid; grid-template-columns: minmax(200px, 280px) minmax(0, 1fr); gap: 40px; align-items: start; margin-top: 0; padding: 36px 44px; background: #fff; border-radius: 10px; box-shadow: 0 1px 2px rgba(14,26,43,.05), 0 6px 20px rgba(14,26,43,.06); }
.speaker-profile__photo { margin: 0; text-align: center; color: #64748b; }
.speaker-profile__photo img { width: 100%; aspect-ratio: 3 / 4; object-fit: contain; background: #f5f7fa; border-radius: 12px; }
.speaker-profile__conference { color: #1677ff; font-size: 14px; }
.speaker-profile h1 { margin: 12px 0; font-size: clamp(28px, 4vw, 40px); }
.speaker-profile__role { font-size: 18px; line-height: 1.8; color: #475569; }
.speaker-profile__content section { margin-top: 28px; border-top: 1px solid #e2e8f0; padding-top: 24px; line-height: 1.9; }
.speaker-profile h2 { font-size: 22px; margin: 0 0 16px; }
.speaker-profile h3 { font-size: 16px; margin: 20px 0 8px; }
.speaker-profile ul { padding-left: 22px; }
@media (max-width: 640px) { .speaker-profile__layout { grid-template-columns: 1fr; gap: 24px; } .speaker-profile__photo { width: min(240px, 100%); margin: 0 auto; } }

/* ===== 首屏背景图模式（后台配置 hero.bg_image 后启用，未配置不加载任何覆盖） ===== */
.congress-hero--bgimg::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(180deg, rgba(3, 11, 28, .48), rgba(3, 11, 28, .68));
}
.congress-hero--bgimg .congress-hero__inner {
  position: relative;
  z-index: 1;
}