/* about-intro-v2 */

.ai-page {

--brand: #c30d23;

    --brand-soft:#ff5a4d;

    --ink:#404040;

    --ink-soft:#555555;

    --line:#e6e9f0;

    --bg:#f4f6fb;

    --card:#ffffff;

    --side-shadow:rgba(30,41,59,.10);

  background: #fff;

  color: #404040;

}

.ai-page a { text-decoration: none; }

.ai-page .neiermenu { display: none !important; }

/* ===== Hero Banner（企业简介页 · 对齐设计稿） ===== */

.ai-page .about-hero {

  padding: 0;

  height: 400px;

  min-height: 400px;

  max-height: none;

  box-sizing: border-box;

  display: flex;

  align-items: center;

  justify-content: center;

  color: #fff;

  position: relative;

  overflow: hidden;

  background:

    url('/dist/images/about-hero-bg.jpg') right center / cover no-repeat;

}

.ai-page .about-hero::before {

  content: '';

  position: absolute;

  inset: 0;

  background:

    radial-gradient(circle at 18% 28%, rgba(14, 165, 233, 0.10) 0%, transparent 42%),

    radial-gradient(circle at 82% 72%, rgba(195, 13, 35, 0.08) 0%, transparent 40%);

  pointer-events: none;

}

.ai-page .about-hero .inner {

  width: 100%;

  max-width: var(--site-maxw);

  margin: 0 auto;

  position: relative;

  z-index: 1;

  text-align: left;

  padding: 0;

  box-sizing: border-box;

}

.ai-page .about-hero .breadcrumb {

  font-size: var(--av-fs-caption, 13px);

  color: rgba(255, 255, 255, 0.55);

  margin-bottom: 20px;

  display: none;

  flex-wrap: wrap;

  align-items: center;

  gap: 0;

}

.ai-page .about-hero .breadcrumb a { color: rgba(255, 255, 255, 0.7); text-decoration: none; }

.ai-page .about-hero .breadcrumb a:hover { color: #fff; }

.ai-page .about-hero .breadcrumb .crumb-sep { margin: 0 8px; color: rgba(255, 255, 255, 0.35); }

.ai-page .about-hero .breadcrumb .crumb-current { color: rgba(255, 255, 255, 0.92); }

.ai-page .about-hero .breadcrumb .crumb-back { font-weight: 400; color: #fff; margin-right: 4px; }

.ai-page .about-hero .breadcrumb .crumb-back:hover { color: #ffb4bb; }

.ai-page .about-hero h1 {

  margin: 0 0 10px;

  max-width: 760px;

  font-size: clamp(22px, 2.5vw, 32px);

  font-weight: 400;

  line-height: 1.4;

  letter-spacing: 0.02em;

  color: #fff;

}

.ai-page .about-hero .sub {

  margin: 0;

  max-width: 680px;

  font-size: clamp(15px, 1.35vw, 18px);

  font-weight: 400;

  line-height: 1.5;

  letter-spacing: 0.03em;

  color: #fff;

}

/* ===== 通用区块 ===== */

  .ai-page .section { max-width: var(--site-maxw); margin: 0 auto; padding: 64px 0 28px; }

.ai-page .section-head { position: relative; display: flex; align-items: center; justify-content: center; margin-bottom: 28px; }

.ai-page .section-head.section-head-left { justify-content: flex-start; }

.ai-page .section-head.section-head-left .section-title { text-align: left; }

.ai-page .section-head.section-head-left .section-title .bar { display: none; }

.ai-page .section-title { text-align: center; color: #282323; }

.ai-page .section-title .bar { display: none; }

.ai-page .section-title .cnt { display: block; font-size: 14px; font-weight: 400; color: #555555; margin-top: 10px; line-height: 1.6; }

.ai-page .section-head .view-all { position: absolute; right: 0; top: 50%; transform: translateY(-50%); /* chip in cards-v2 */ }

/* ===== 公司介绍（全宽底图 + 左文右视频） ===== */

.ai-page .section.section--intro {

  max-width: none;

  width: 100%;

  margin: 0;

  min-height: 820px;

  padding: 0;

  box-sizing: border-box;

  display: flex;

  align-items: center;

  justify-content: center;

  background: #fff;

  background-color: #fff;

}

.ai-page .section--intro .intro-inner {

  width: 100%;

  max-width: var(--site-maxw);

  margin: 0 auto;

  padding: 0;

  box-sizing: border-box;

}

.ai-page .section--intro .intro-row {

  display: flex;

  gap: 40px;

  align-items: center;

  justify-content: space-between;

  width: 100%;

}

/* DOM 视频在前（折叠端 float 环绕）；桌面用 order 保持左文右视频 */
.ai-page .section--intro .intro-text {
  order: 1;
}

.ai-page .section--intro .intro-video {
  order: 2;
}

.ai-page .section--intro .intro-text {

  flex: 1 1 560px;

  min-width: 0;

  max-width: 620px;

  font-size: 14px;

  line-height: 1.85;

  color: #404040;

}

.ai-page .section--intro .intro-text p {

  margin: 0 0 14px;

}

.ai-page .section--intro .intro-text p:last-child {

  margin-bottom: 0;

}

.ai-page .section--intro .intro-text .intro-company-name,

.ai-page .section--intro .intro-text > p:first-child:not(.intro-stock-line) {

  font-weight: 700;

  color: #282323;

  margin-bottom: 8px;

}

.ai-page .section--intro .intro-text .intro-stock-line {

  font-weight: 700;

  color: #282323;

  margin-bottom: 20px;

}

.ai-page .section--intro .intro-text .intro-stock-num {

  color: #c30d23;

  font-weight: 700;

  letter-spacing: 0.02em;

}

.ai-page .section--intro .intro-text strong {

  color: #282323;

  font-weight: 700;

}

.ai-page .section--intro .intro-text .intro-stock-line strong,

.ai-page .section--intro .intro-text .intro-stock-num {

  color: #c30d23;

}

.ai-page .section--intro .intro-video {

  flex: 1 1 680px;

  width: auto;

  min-width: 0;

  max-width: none;

  aspect-ratio: 16 / 9;

  border-radius: 4px;

  overflow: hidden;

  box-shadow: 0 14px 36px rgba(15, 23, 42, 0.12);

  background: #e8ecf1;

}

.ai-page .section--intro .intro-video video,

.ai-page .section--intro .intro-video img {

  width: 100%;

  height: 100%;

  object-fit: cover;

  display: block;

}

.ai-page .section--intro .intro-row--text-only .intro-text {

  max-width: 760px;

}

.ai-page .section--intro .intro-row--media-only {

  justify-content: flex-end;

}

/* ===== 全球战略（810px · 左地图右文案） ===== */

.ai-page .section.section--global {

  max-width: none;

  width: 100%;

  margin: 0;

  min-height: 810px;

  height: 810px;

  padding: 0;

  box-sizing: border-box;

  position: relative;

  overflow: hidden;

  background:

    radial-gradient(1100px 620px at 80% 20%, rgba(230, 0, 18, 0.05), transparent 55%),

    radial-gradient(900px 520px at 12% 85%, rgba(59, 130, 246, 0.04), transparent 58%),

    linear-gradient(180deg, #ffffff 0%, #f8f9fb 50%, #f1f4f8 100%);

  border-bottom: 1px solid rgba(0, 0, 0, 0.04);

}

.ai-page .section--global::before {

  content: '';

  position: absolute;

  inset: 0;

  background-image:

    linear-gradient(rgba(15, 23, 42, 0.04) 1px, transparent 1px),

    linear-gradient(90deg, rgba(15, 23, 42, 0.04) 1px, transparent 1px);

  background-size: 60px 60px;

  mask-image: radial-gradient(ellipse 80% 70% at 55% 45%, #000 22%, transparent 72%);

  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 55% 45%, #000 22%, transparent 72%);

  pointer-events: none;

}

.ai-page .section--global .global-inner {

  position: relative;

  z-index: 1;

  /* 对齐原型：地图需更大展示面，不压缩到 --site-maxw */

  max-width: min(1340px, calc(100% - 48px));

  width: 100%;

  height: 100%;

  margin: 0 auto;

  padding: 0 24px;

  box-sizing: border-box;

  display: grid;

  /* 地图列更宽，缓解拥挤 */

  grid-template-columns: 1.42fr 0.92fr;

  gap: 48px;

  align-items: center;

}

.ai-page .section--global .global-map {

  order: 1;

  position: relative;

  min-width: 0;

}

.ai-page .section--global .global-content {

  order: 2;

  min-width: 0;

  padding-right: 8px;

}

.ai-page .section--global .global-title {

  /* 字号/字重由 type-v2 Display 字阶统一；此处只保留间距与颜色兜底 */

  margin: 0 0 16px;

  color: #282323;

}

.ai-page .section--global .global-title .slash {

  color: #e60012;

  margin: 0 8px;

  font-weight: 300;

}

.ai-page .section--global .global-desc {

  font-size: 14px;

  line-height: 1.85;

  color: #404040;

  margin-bottom: 28px;

  max-width: 560px;

}

.ai-page .section--global .global-desc p {

  margin: 0 0 14px;

}

.ai-page .section--global .global-desc p:last-child {

  margin-bottom: 0;

}

.ai-page .section--global .global-desc strong {

  color: #e60012;

  font-weight: 700;

}

.ai-page .section--global .global-stats {

  display: grid;

  grid-template-columns: repeat(4, 1fr);

  gap: 12px 8px;

  max-width: 560px;

}

.ai-page .section--global .global-stat {

  position: relative;

  text-align: center;

  background: transparent;

  border-radius: 0;

  padding: 0;

  overflow: visible;

  box-shadow: none;

  transition: none;

}

.ai-page .section--global .global-stat::before {

  display: none;

}

.ai-page .section--global .global-stat:hover {

  transform: none;

}

.ai-page .section--global .global-stat b {

  display: block;

  font-size: clamp(26px, 2.2vw, 32px);

  font-weight: 800;

  color: #282323;

  line-height: 1;

  margin-bottom: 8px;

  font-family: "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;

  letter-spacing: 0.5px;

}

.ai-page .section--global .global-stat b em {

  font-style: normal;

  color: #e60012;

}

.ai-page .section--global .global-stat span {

  font-size: 12.5px;

  color: #64748b;

  letter-spacing: 1px;

}

.ai-page .section--global .map-box {

  width: 100%;

  height: 640px;

  position: relative;

  overflow: hidden;

  background: transparent;

}

.ai-page .section--global .map-box svg {

  display: block;

  width: 100%;

  height: 100%;

  transition: opacity 0.28s ease;

}

.ai-page .section--global .city-label.cn-label {

  font-size: var(--av-fs-caption, 13px);

  fill: #334155;

  font-weight: 700;

}

.ai-page .section--global .hq-label.cn-hq {

  font-size: 13px;

}

.ai-page .section--global .country {

  fill: #e2e8f0;

  stroke: #cbd5e1;

  stroke-width: 0.5;

  transition: fill 0.3s;

}

.ai-page .section--global .country.china {

  fill: #e2e8f0;

  stroke: #cbd5e1;

  stroke-width: 0.5;

}

.ai-page .section--global .province {

  fill: none;

  stroke: #cbd5e1;

  stroke-width: 0.5;

}

.ai-page .section--global .graticule {

  fill: none;

  stroke: rgba(15, 23, 42, 0.03);

  stroke-width: 0.5;

  pointer-events: none;

}

/* 移动端扩大点击热区：默认 fill 为黑，必须透明 */

.ai-page .section--global .map-marker-hit {

  fill: transparent;

  stroke: none;

  pointer-events: all;

  cursor: pointer;

}

.ai-page .section--global .map-marker {

  cursor: pointer;

}

.ai-page .section--global .map-marker.is-dimmed {

  opacity: 0.35;

}

.ai-page .section--global .map-marker.is-selected .hub-point,

.ai-page .section--global .map-marker.is-selected .pulse-point {

  fill: #e60012;

}

.ai-page .section--global .map-marker-ring {

  pointer-events: none;

}

.ai-page .section--global .pulse-point {

  fill: #e60012;

  filter: drop-shadow(0 0 4px rgba(230, 0, 18, 0.45));

  animation: about-global-pulse 2.4s ease-out infinite;

  transform-box: fill-box;

  transform-origin: center;

  pointer-events: none;

}

@keyframes about-global-pulse {

  0% { opacity: 1; transform: scale(1); }

  50% { opacity: 0.7; transform: scale(1.35); }

  100% { opacity: 1; transform: scale(1); }

}

.ai-page .section--global .hub-point {

  fill: #f87171;

  animation: about-global-pulse 2.8s ease-out infinite;

  transform-box: fill-box;

  transform-origin: center;

  pointer-events: none;

}

.ai-page .section--global .map-callout-bg {

  fill: rgba(15, 23, 42, 0.88);

}

.ai-page .section--global .map-callout-text {

  fill: #fff;

  font-size: var(--av-fs-caption, 13px);

  font-weight: 600;

}

.ai-page .section--global .map-callout-line {

  stroke: #e60012;

  stroke-width: 1.2;

}

.ai-page .section--global .map-svg-wrap {

  width: 100%;

  height: 100%;

  min-height: 0;

}

.ai-page .section--global .map-box.is-compact {

  display: flex;

  flex-direction: column;

  height: auto;

  min-height: 0;

  /* 切换条改为文档流，不再绝对叠在地图上 */

}

.ai-page .section--global .map-box.is-compact .map-switch {

  position: relative;

  top: auto;

  left: auto;

  transform: none;

  align-self: center;

  flex: 0 0 auto;

  margin: 0 0 12px;

  z-index: 2;

  flex-wrap: nowrap;

  white-space: nowrap;

}

.ai-page .section--global .map-box.is-compact .map-switch button {

  padding: 6px 14px;

  font-size: var(--av-fs-caption, 13px);

  letter-spacing: 0.5px;

}

.ai-page .section--global .map-box.is-compact .map-svg-wrap {

  flex: 0 0 auto;

  height: 280px;

  position: relative;

  z-index: 1;

}

.ai-page .section--global .map-location-hint {

  margin: 10px 0 0;

  padding: 0 4px;

  font-size: var(--av-fs-caption, 13px);

  line-height: 1.5;

  color: #64748b;

  text-align: center;

}

.ai-page .section--global .map-location-list {

  display: flex;

  flex-wrap: wrap;

  gap: 8px;

  margin-top: 12px;

  padding: 0 2px 2px;

  max-height: none;

}

.ai-page .section--global .map-location-chip {

  appearance: none;

  border: 1px solid rgba(15, 23, 42, 0.12);

  background: #fff;

  color: #475569;

  border-radius: 999px;

  padding: 6px 12px;

  font-size: var(--av-fs-caption, 13px);

  line-height: 1.3;

  cursor: pointer;

}

.ai-page .section--global .map-location-chip.is-hq {

  border-color: rgba(230, 0, 18, 0.28);

  color: #c30d23;

  font-weight: 600;

}

.ai-page .section--global .map-location-chip.is-selected {

  background: #e60012;

  border-color: #e60012;

  color: #fff;

}

.ai-page .section--global .city-label {

  font-size: 11px;

  fill: #475569;

  pointer-events: none;

  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.9);

}

.ai-page .section--global .hq-label {

  font-size: var(--av-fs-caption, 13px);

  font-weight: 700;

  fill: #e60012;

  pointer-events: none;

  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.9);

}

.ai-page .section--global .map-loading {

  position: absolute;

  inset: 0;

  display: flex;

  align-items: center;

  justify-content: center;

  color: #64748b;

  font-size: 14px;

  letter-spacing: 2px;

  z-index: 2;

}

.ai-page .section--global .map-loading.hide {

  display: none;

}

.ai-page .section--global .map-switch {

  position: absolute;

  top: 14px;

  left: 50%;

  transform: translateX(-50%);

  z-index: 6;

  display: flex;

  gap: 2px;

  padding: 4px;

  background: rgba(255, 255, 255, 0.95);

  border: 1px solid rgba(15, 23, 42, 0.08);

  border-radius: 999px;

  backdrop-filter: blur(6px);

  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.06);

}

.ai-page .section--global .map-switch button {

  border: 1px solid transparent;

  background: transparent;

  color: #64748b;

  font-family: inherit;

  font-size: 13px;

  letter-spacing: 1px;

  padding: 7px 22px;

  border-radius: 999px;

  cursor: pointer;

  transition: all 0.25s;

}

.ai-page .section--global .map-switch button:hover {

  color: #0f172a;

  background: rgba(15, 23, 42, 0.04);

}

.ai-page .section--global .map-switch button.active {

  background: #e60012;

  color: #fff;

  font-weight: 700;

  box-shadow: 0 4px 14px rgba(230, 0, 18, 0.35);

}

/* ===== 全链路（820px · factory 底图 + GIF 轮播） ===== */

.ai-page .section.section--chain {

  max-width: none;

  width: 100%;

  margin: 0;

  min-height: 820px;

  height: 820px;

  padding: 0;

  box-sizing: border-box;

  position: relative;

  overflow: hidden;

  /* 右锚定 + 高度铺满：缩窄时裁左侧天空，建筑不往左挤；左侧白渐变护文案 */
  background-color: #ffffff;

  background-image:
    linear-gradient(
      90deg,
      #ffffff 0%,
      #ffffff 34%,
      rgba(255, 255, 255, 0.92) 42%,
      rgba(255, 255, 255, 0.45) 54%,
      rgba(255, 255, 255, 0) 68%
    ),
    url('/dist/images/factory.jpg');

  background-repeat: no-repeat;

  background-position: left center, right center;

  background-size: 100% 100%, auto 100%;

}

.ai-page .section--chain .chain-inner {

  position: relative;

  z-index: 1;

  max-width: var(--site-maxw);

  height: 100%;

  margin: 0 auto;

  padding: 0;

  box-sizing: border-box;

  display: flex;

  align-items: center;

}

.ai-page .section--chain .chain-content {

  width: min(100%, 680px);

  padding-right: 0;

}

.ai-page .section--chain .chain-title {

  margin: 0 0 22px;

  color: #282323;

}

.ai-page .section--chain .chain-title-line {

  display: block;

}

.ai-page .section--chain .chain-desc {

  margin: 0 0 32px;

  font-size: 14px;

  line-height: 1.9;

  color: #282323;

  max-width: 620px;

}

/* 全链路 GIF 叠层（参考 corerain planbox2_cont：458×258，三层叠放 + prepend 轮换） */

.ai-page .section--chain .chain-gif-stack {

  position: relative;

  width: 458px;

  max-width: 100%;

  margin-top: 4px;

}

.ai-page .section--chain .chain-gif-stack__layers {

  position: relative;

  width: 458px;

  max-width: 100%;

}

.ai-page .section--chain .chain-gif-stack__layer {

  position: absolute;

  top: 0;

  left: 0;

  z-index: 1;

  width: 100%;

  overflow: hidden;

  background: #0f172a;

  border: 1px solid rgba(255, 255, 255, 0.85);

  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.14);

  transition: all 0.6s linear;

}

.ai-page .section--chain .chain-gif-stack__layer img {

  width: 100%;

  height: 258px;

  display: block;

  object-fit: cover;

}

.ai-page .section--chain .chain-gif-stack--multi .chain-gif-stack__layer:nth-child(2) {

  transform: translate(4px, 18px) scale(0.93);

  opacity: 0.65;

  z-index: 3;

}

.ai-page .section--chain .chain-gif-stack--multi .chain-gif-stack__layer:nth-child(3) {

  transform: translate(8px, 32px) scale(0.88);

  opacity: 0.35;

}

.ai-page .section--chain .chain-gif-stack--multi .chain-gif-stack__layer:nth-child(n + 4) {

  opacity: 0;

  visibility: hidden;

  pointer-events: none;

}

.ai-page .section--chain .chain-gif-stack__layer.is-on {

  position: relative;

  z-index: 4 !important;

  opacity: 1 !important;

  transform: translateY(0) scale(1) !important;

}

.ai-page .section--chain .chain-gif-stack--multi {

  padding-bottom: 40px;

}

/* ===== 企业简介（其它区块沿用） ===== */

  .ai-page .intro-row { display: flex; gap: 24px; align-items: flex-start; }

.ai-page .intro-text { font-size: 14px; line-height: 1.65; color: #404040; flex: 1 1 0; min-width: 0; }

.ai-page .intro-text p { margin-bottom: 16px; }

.ai-page .intro-text p:last-child { margin-bottom: 0; }

.ai-page .intro-text strong { color: #282323; }

.ai-page .intro-text .intro-lead { margin-bottom: 20px; }

.ai-page .intro-video { flex: 0 0 544px; width: 544px; aspect-ratio: 16/9; border-radius: 8px; overflow: hidden; box-shadow: 0 10px 28px rgba(15,23,42,0.10); background: #282323; }

.ai-page .intro-video video,

.ai-page .intro-video img { width: 100%; height: 100%; object-fit: cover; display: block; }

.ai-page .intro-row--text-only .intro-text { flex: 1 1 auto; max-width: 920px; }

.ai-page .intro-row--media-only { justify-content: flex-start; }

.ai-page .intro-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 28px; }

.ai-page .intro-card {

    position: relative; overflow: hidden;

    background: linear-gradient(165deg, #f8f9fb 0%, #f1f3f6 100%);

    border: none;

    border-radius: 2px;

    border-left: 3px solid rgba(195,13,35,.35);

    padding: 26px 22px 24px 20px;

    text-align: left;

    min-height: 128px;

    box-sizing: border-box;

    transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;

  }

.ai-page .intro-card:hover {

    background: #fff;

    border-left-color: #c30d23;

    box-shadow: 0 14px 32px rgba(15,23,42,0.09);

    transform: translateY(-2px);

  }

.ai-page .intro-text { position: relative; z-index: 1; transition: opacity 0.4s ease; }

.ai-page .intro-card .num {

  font-size: 28px;

  font-weight: 400;

  letter-spacing: -0.02em;

  line-height: 1;

  color: #c30d23;

  margin-bottom: 12px;

  font-variant-numeric: tabular-nums;

}

.ai-page .intro-card .desc {

  font-size: 13px;

  color: #555555;

  line-height: 1.65;

  margin: 0;

}

/* ===== 悬停：卡内文字 ↔ 图片 渐变切换（布局稳定不跳动） ===== */

  .ai-page .intro-img {

    position: absolute; inset: 0; z-index: 2;

    width: 100%; height: 100%; object-fit: cover;

    opacity: 0; pointer-events: none;

    transition: opacity 0.4s ease;

  }

.ai-page .intro-card:hover .intro-text { opacity: 0; }

.ai-page .intro-card:hover .intro-img { opacity: 1; }

.ai-page .honor-tabs { display: flex; justify-content: center; gap: 12px; margin-bottom: 40px; flex-shrink: 0; }

.ai-page .honor-tab { padding: 10px 28px; border-radius: 24px; border: 1px solid rgba(15,23,42,0.12); background: #fff; color: #404040; font-size: 14px; font-weight: 700; cursor: pointer; transition: all 0.25s; }

.ai-page .honor-tab:hover { border-color: #c30d23; color: #c30d23; }

.ai-page .honor-tab.active { background: #c30d23; color: #fff; border-color: #c30d23; box-shadow: 0 4px 14px rgba(195,13,35,0.25); }

/* 三 tab 叠放同一格：切换时容器高度不变，标题/Tab 不上下飘 */

.ai-page .honor-panels { position: relative; display: grid; width: 100%; }

.ai-page .honor-panel {

  grid-area: 1 / 1;

  display: block;

  opacity: 0;

  visibility: hidden;

  pointer-events: none;

  transition: opacity 0.25s ease;

}

.ai-page .honor-panel.active {

  opacity: 1;

  visibility: visible;

  pointer-events: auto;

  z-index: 1;

}

.ai-page .honor-grid { display: grid; gap: 16px; }

/* 三 tab 列数差异化：资质 4 列、专利 6 列保持、荣誉 5 列 */

  .ai-page .honor-panel[data-panel="qual"] .honor-grid { grid-template-columns: repeat(4, 1fr); }

.ai-page .honor-panel[data-panel="patent"] .honor-grid { grid-template-columns: repeat(6, 1fr); }

.ai-page .honor-panel[data-panel="honor"] .honor-grid { grid-template-columns: repeat(5, 1fr); }

.ai-page .honor-card { background: #fff; border: 1px solid rgba(15,23,42,0.08); border-radius: 4px; padding: 24px 18px; text-align: center; transition: all 0.25s; }

.ai-page .honor-card:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(15,23,42,0.08); border-color: rgba(195,13,35,0.25); }

.ai-page .honor-card .icon-wrap { width: 56px; height: 56px; margin: 0 auto 16px; border-radius: 50%; background: rgba(195,13,35,0.08); display: flex; align-items: center; justify-content: center; color: #c30d23; }

.ai-page .honor-card .icon-wrap svg { width: 28px; height: 28px; }

.ai-page .honor-card .name { font-size: 14px; color: #404040; line-height: 1.55; font-weight: 400; }

.ai-page .patent-card { padding: 0 0 6px; overflow: hidden; display: flex; flex-direction: column; height: 180px; }

.ai-page .patent-card .patent-img-wrap { flex: 1 1 auto; min-height: 0; width: 100%; background: #f8fafc; display: flex; align-items: center; justify-content: center; padding: 3px; border-bottom: 1px solid rgba(15,23,42,0.06); overflow: hidden; }

.ai-page .patent-card .patent-img-wrap img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; object-position: top center; pointer-events: none; user-select: none; -webkit-user-drag: none; }

.ai-page .patent-card .name { padding: 4px 6px 0; margin-top: 3px; flex: 0 0 auto; font-size: var(--av-fs-caption, 13px); line-height: 1.25; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 30px; }

.ai-page .honor-more {

    display: inline-flex; align-items: center; justify-content: center; gap: 8px;

    height: 44px; min-width: 160px; margin: 20px auto 0; padding: 0 28px;

    border: 1px solid rgba(15,23,42,0.12); border-radius: 22px;

    background: #fff; color: #404040; font-size: 14px; font-weight: 700;

    cursor: pointer; transition: all 0.25s; user-select: none;

  }

.ai-page .honor-more:hover { border-color: #c30d23; color: #c30d23; transform: translateY(-1px); box-shadow: 0 6px 18px rgba(15,23,42,0.06); }

.ai-page .honor-more:active { transform: translateY(0); }

.ai-page .honor-more[hidden] { display: none !important; }

.ai-page .honor-more .arrow { display: inline-block; transition: transform 0.25s; }

.ai-page .honor-more:hover .arrow { transform: translateY(2px); }

.ai-page .honor-more-wrap { text-align: center; }

/* ===== 企业文化：三卡背景图（愿景/使命/价值观）===== */

.ai-page .culture-section {

  max-width: var(--site-maxw);

  width: 100%;

  margin: 0 auto;

  padding: 72px 0 88px;

  box-sizing: border-box;

}

.ai-page .culture-section__head {

  justify-content: center;

  text-align: center;

  margin-bottom: 0;

}

.ai-page .culture-section__head .section-title {

  width: 100%;

  text-align: center;

}

.ai-page .culture-grid {

  display: grid;

  grid-template-columns: repeat(3, minmax(0, 1fr));

  gap: 20px;

  width: 100%;

  max-width: var(--site-maxw);

  margin: 36px auto 0;

  padding: 0;

  box-sizing: border-box;

}

.ai-page .culture-card {

  position: relative;

  overflow: hidden;

  width: 100%;

  min-height: 330px;

  aspect-ratio: 358 / 330;

  border-radius: 10px;

  padding: 0;

  text-align: center;

  background:

    linear-gradient(180deg, rgba(10, 16, 28, 0.18) 0%, rgba(10, 16, 28, 0.34) 100%),

    var(--culture-bg) center / cover no-repeat;

  background-color: #1a2332;

  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.12);

  transition: transform 0.3s ease, box-shadow 0.3s ease;

}

.ai-page .culture-card:hover {

  transform: translateY(-4px);

  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.18);

}

.ai-page .culture-card__veil {

  position: absolute;

  inset: 0;

  background: linear-gradient(180deg, rgba(8, 12, 22, 0.08) 0%, rgba(8, 12, 22, 0.26) 100%);

  pointer-events: none;

}

.ai-page .culture-card__body {

  position: relative;

  z-index: 1;

  display: flex;

  flex-direction: column;

  align-items: center;

  justify-content: center;

  width: 100%;

  height: 100%;

  padding: 36px 28px;

  box-sizing: border-box;

}

.ai-page .culture-icon {

  width: 56px;

  height: 56px;

  margin: 0 auto 22px;

  display: flex;

  align-items: center;

  justify-content: center;

  color: #e60012;

}

.ai-page .culture-icon svg {

  width: 52px;

  height: 52px;

  display: block;

}

.ai-page .culture-card-title {

  margin: 0 0 14px;

  font-size: 20px;

  font-weight: 700;

  line-height: 1.3;

  color: #fff;

  letter-spacing: 0.04em;

}

.ai-page .culture-card-desc {

  margin: 0;

  max-width: 280px;

  font-size: 14px;

  font-weight: 500;

  line-height: 1.75;

  color: rgba(255, 255, 255, 0.92);

}

@media (max-width: 1100px) {

    .ai-page .honor-panel[data-panel="qual"] .honor-grid { grid-template-columns: repeat(3, 1fr); }

.ai-page .honor-panel[data-panel="patent"] .honor-grid { grid-template-columns: repeat(5, 1fr); }

.ai-page .honor-panel[data-panel="honor"] .honor-grid { grid-template-columns: repeat(4, 1fr); }

.ai-page .section.section--global {

  height: auto;

  min-height: 0;

  padding: 64px 0 72px;

}

.ai-page .section--global .global-inner {

  grid-template-columns: 1fr;

  gap: 40px;

  height: auto;

  padding: 0 24px;

}

.ai-page .section--global .global-map,

.ai-page .section--global .global-content {

  order: 0;

}

.ai-page .section--global .map-box {

  height: 520px;

}

.ai-page .section--global .global-title .slash {

  margin: 0 6px;

}

.ai-page .section--global .global-desc {

  font-size: 14px;

  line-height: 1.85;

}

.ai-page .section.section--chain {

  height: auto;

  min-height: 0;

  padding: 64px 0 72px;

  background-color: #ffffff;

  background-image:

    linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(255, 255, 255, 0.88) 100%),

    url('/dist/images/factory.jpg');

  background-repeat: no-repeat;

  background-position: right center;

  background-size: cover;

}

.ai-page .section--chain .chain-inner {

  height: auto;

  padding: 0 24px;

}

.ai-page .section--chain .chain-content {

  width: 100%;

  max-width: none;

}

.ai-page .section--chain .chain-gif-stack,

.ai-page .section--chain .chain-gif-stack__layers {

  width: min(458px, 100%);

}

.ai-page .section--chain .chain-gif-stack__layer img {

  height: auto;

  aspect-ratio: 458 / 258;

}

.ai-page .section--chain .chain-gif-stack--multi .chain-gif-stack__layer:nth-child(2) {

  transform: translate(3px, 14px) scale(0.93);

}

.ai-page .section--chain .chain-gif-stack--multi .chain-gif-stack__layer:nth-child(3) {

  transform: translate(6px, 26px) scale(0.88);

}

.ai-page .section--chain .chain-gif-stack--multi {

  padding-bottom: 32px;

}

}

@media (max-width: 900px) {

    .ai-page .hub-grid, .ai-page .intro-cards, .ai-page .service-grid, .ai-page .faq-grid, .ai-page .investor-wrap { grid-template-columns: 1fr; }

.ai-page .intro-row { flex-direction: column; }

.ai-page .intro-video { flex: 0 0 auto; width: 100%; }

.ai-page .section.section--intro {

  min-height: 0;

  padding: 40px 20px 48px;

  display: block;

  background: #fff;

}

.ai-page .section--intro .intro-inner {

  padding: 0;

  box-sizing: border-box;

}

.ai-page .section--intro .intro-text .intro-company-name,

.ai-page .section--intro .intro-text > p:first-child:not(.intro-stock-line) {

  margin-bottom: 6px;

}

.ai-page .section--intro .intro-text .intro-stock-line {

  margin-bottom: 16px;

}

.ai-page .section--intro .intro-row {

  flex-direction: column;

  gap: 24px;

  align-items: stretch;

}

.ai-page .section--intro .intro-text {

  max-width: none;

  box-sizing: border-box;

}

.ai-page .section--intro .intro-video {

  flex: 0 0 auto;

  width: 100%;

  max-width: none;

}

.ai-page .honor-panel[data-panel="qual"] .honor-grid { grid-template-columns: repeat(3, 1fr); }

.ai-page .honor-panel[data-panel="patent"] .honor-grid { grid-template-columns: repeat(4, 1fr); }

.ai-page .honor-panel[data-panel="honor"] .honor-grid { grid-template-columns: repeat(3, 1fr); }

.ai-page .patent-card { height: 180px; }

.ai-page .about-hero {

  height: 38vh;

  min-height: 280px;

  max-height: 420px;

  padding: 0;

}

.ai-page .about-hero .inner { padding: 0 16px; }

.ai-page .about-hero h1 {

  font-size: 22px;

  font-weight: 700;

  margin-bottom: 8px;

}

.ai-page .about-hero .sub {

  font-size: 15px;

  font-weight: 400;

  letter-spacing: 0.02em;

}

.ai-page .section { padding: 48px 16px 20px; }

.ai-page .honor-panel[data-panel="qual"] .honor-grid { grid-template-columns: repeat(2, 1fr); }

.ai-page .honor-panel[data-panel="patent"] .honor-grid { grid-template-columns: repeat(3, 1fr); }

.ai-page .honor-panel[data-panel="honor"] .honor-grid { grid-template-columns: repeat(2, 1fr); }

.ai-page .honor-grid { gap: 10px; }

.ai-page .patent-card { height: 170px; }

.ai-page .culture-section { padding: 56px 16px 64px; }

.ai-page .culture-grid { gap: 12px; margin-top: 28px; }

.ai-page .culture-card {

  width: 100%;

  height: auto;

  min-height: 0;

  aspect-ratio: 358 / 330;

}

.ai-page .culture-card__body { padding: 28px 16px; }

.ai-page .culture-card-desc { max-width: none; font-size: 13px; }

/* ===== 标题居中移动端适配 ===== */

}

@media (max-width: 640px) {

.ai-page .culture-grid {
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 20px;
}

.ai-page .culture-card {
  width: 100%;
  max-width: none;
  height: auto;
  min-height: 0;
  aspect-ratio: auto;
  border-radius: 8px;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.1);
}

.ai-page .culture-card:hover {
  transform: none;
}

.ai-page .culture-card__veil {
  background: linear-gradient(90deg, rgba(8, 12, 22, 0.55) 0%, rgba(8, 12, 22, 0.42) 55%, rgba(8, 12, 22, 0.28) 100%);
}

.ai-page .culture-card__body {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 12px;
  row-gap: 4px;
  align-items: center;
  justify-items: start;
  text-align: left;
  height: auto;
  min-height: 88px;
  padding: 14px 14px;
}

.ai-page .culture-icon {
  grid-row: 1 / -1;
  grid-column: 1;
  width: 40px;
  height: 40px;
  margin: 0;
  flex-shrink: 0;
}

.ai-page .culture-icon svg {
  width: 36px;
  height: 36px;
}

.ai-page .culture-card-title {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-size: 16px;
  letter-spacing: 0.02em;
}

.ai-page .culture-card-desc {
  grid-column: 2;
  grid-row: 2;
  max-width: none;
  margin: 0;
  font-size: 12px;
  line-height: 1.45;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.9);
}

.ai-page .culture-section { padding: 40px 16px 48px; }

}

@media (max-width: 768px) {

  /* 企业文化：横向紧凑条（左图标右文案），替代高图卡 */
  .ai-page .culture-section {
    padding: 40px 16px 48px;
  }
  .ai-page .culture-grid {
    grid-template-columns: 1fr !important;
    gap: 10px;
    margin-top: 20px;
  }
  .ai-page .culture-card {
    width: 100%;
    max-width: none;
    height: auto !important;
    min-height: 0 !important;
    aspect-ratio: auto !important;
    border-radius: 8px;
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.1);
  }
  .ai-page .culture-card:hover {
    transform: none;
  }
  .ai-page .culture-card__veil {
    background: linear-gradient(90deg, rgba(8, 12, 22, 0.55) 0%, rgba(8, 12, 22, 0.42) 55%, rgba(8, 12, 22, 0.28) 100%);
  }
  .ai-page .culture-card__body {
    display: grid !important;
    grid-template-columns: auto minmax(0, 1fr);
    grid-template-rows: auto auto;
    column-gap: 12px;
    row-gap: 4px;
    align-items: center;
    justify-items: start;
    text-align: left;
    height: auto;
    min-height: 88px;
    padding: 14px 14px !important;
  }
  .ai-page .culture-icon {
    grid-row: 1 / -1;
    grid-column: 1;
    width: 40px !important;
    height: 40px !important;
    margin: 0 !important;
  }
  .ai-page .culture-icon svg {
    width: 36px !important;
    height: 36px !important;
  }
  .ai-page .culture-card-title {
    grid-column: 2;
    grid-row: 1;
    margin: 0 !important;
    font-size: 16px !important;
    letter-spacing: 0.02em;
  }
  .ai-page .culture-card-desc {
    grid-column: 2;
    grid-row: 2;
    max-width: none !important;
    margin: 0 !important;
    font-size: 12px !important;
    line-height: 1.45;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.9);
  }

    .ai-page .section-head { flex-direction: column; gap: 10px; }

.ai-page .section-head .view-all { position: static; transform: none; align-self: center; margin-top: 2px; }

.ai-page .section-title .bar { margin-bottom: 12px; }

.ai-page .featured-title .bar { margin-bottom: 12px; }

.ai-page .section--global .global-stats {

  grid-template-columns: repeat(2, 1fr);

  gap: 16px 12px;

}

.ai-page .section--global .global-stat b {

  font-size: 28px;

}

.ai-page .section--global .map-box {

  height: 420px;

}

.ai-page .section--global .map-switch button {

  padding: 6px 14px;

  font-size: var(--av-fs-caption, 13px);

}

}

@media (max-width: 560px) {

  .ai-page .honor-panel[data-panel="qual"] .honor-grid,

  .ai-page .honor-panel[data-panel="patent"] .honor-grid,

  .ai-page .honor-panel[data-panel="honor"] .honor-grid { grid-template-columns: repeat(2, 1fr); }

  .ai-page .honor-grid { gap: 8px; }

  .ai-page .patent-card { height: 150px; }

  .ai-page .patent-card .name { font-size: var(--av-fs-caption, 13px); line-height: 1.2; min-height: 26px; -webkit-line-clamp: 2; padding: 3px 5px 0; }

}

/* ===== 发展历程（逐年列 + 阶段导航 + 雪山底图 + 无限横向轮播） ===== */

.ai-page .section.section--timeline {

  max-width: none;

  padding: 0;

  margin: 0;

  overflow: hidden;

}

.ai-page .tl-hist-wrap {

  position: relative;

  width: 100%;

  color: #282323;

  overflow: hidden;

  /* 标题/阶段导航为白底；雪山与灰色滚动区放到 viewport-outer */

  background-color: #ffffff;

}

.ai-page .tl-hist {

  position: relative;

  z-index: 1;

  max-width: none;

  width: 100%;

  margin: 0 auto;

  padding: 72px 0 56px;

  box-sizing: border-box;

}

.ai-page .tl-hist__head {

  text-align: center;

  margin: 0 auto 28px;

  padding: 0 24px;

}

.ai-page .tl-hist__title {

  margin: 0 0 12px;

  color: #1a1a1a;

}

.ai-page .tl-hist__title::before {

  content: none;

  display: none;

}

.ai-page .tl-hist__sub {

  margin: 0 auto;

  max-width: 720px;

  /* 字号 / 字重 / 行高统一走 type-v2 Lead（与 .home-section-lead 一致） */

  color: #404040;

}

.ai-page .tl-hist__stages {

  display: flex;

  justify-content: center;

  align-items: flex-start;

  gap: clamp(28px, 5vw, 72px);

  max-width: var(--site-maxw);

  margin: 0 auto 36px;

  padding: 8px 24px 0;

  position: relative;

}

.ai-page .tl-hist__stages::before {

  content: "";

  position: absolute;

  left: 12%;

  right: 12%;

  top: 14px;

  height: 1px;

  background: rgba(230, 0, 18, 0.35);

  pointer-events: none;

}

.ai-page .tl-hist__stage-btn {

  position: relative;

  z-index: 1;

  display: flex;

  flex-direction: column;

  align-items: center;

  gap: 8px;

  min-width: 120px;

  padding: 0;

  border: none;

  background: transparent;

  cursor: pointer;

  color: #64748b;

  transition: color 0.25s ease;

}

.ai-page .tl-hist__stage-dot {

  width: 10px;

  height: 10px;

  border-radius: 50%;

  background: #fff;

  border: 2px solid #e60012;

  box-sizing: border-box;

  transition: transform 0.25s ease, background 0.25s ease;

}

.ai-page .tl-hist__stage-period {

  font-size: 13px;

  font-weight: 700;

  color: #e60012;

  line-height: 1.3;

  white-space: nowrap;

}

.ai-page .tl-hist__stage-title {

  font-size: 13px;

  font-weight: 600;

  color: #404040;

  line-height: 1.35;

  text-align: center;

  max-width: 160px;

}

.ai-page .tl-hist__stage-btn.is-active .tl-hist__stage-dot,

.ai-page .tl-hist__stage-btn:hover .tl-hist__stage-dot {

  background: #e60012;

  transform: scale(1.15);

}

.ai-page .tl-hist__stage-btn.is-active .tl-hist__stage-title,

.ai-page .tl-hist__stage-btn:hover .tl-hist__stage-title {

  color: #1a1a1a;

}

.ai-page .tl-hist__viewport-outer {

  position: relative;

  overflow: hidden;

  width: 100%;

  margin: 0;

  z-index: 1;

  /* 灰色滚动区包含年份；底部保留雪山渐隐 */

  background-color: #f7f7f7;

  background-image:

    linear-gradient(180deg, #f7f7f7 0%, #f7f7f7 52%, rgba(247, 247, 247, 0.88) 68%, rgba(247, 247, 247, 0.45) 84%, rgba(247, 247, 247, 0.12) 94%, transparent 100%),

    url("/dist/images/history.jpg");

  background-position: center top, center bottom;

  background-size: auto, cover;

  background-repeat: no-repeat;

  padding: 28px 0 48px;

  box-sizing: border-box;

}

.ai-page .tl-hist__viewport {

  position: relative;

  overflow: hidden;

  box-sizing: border-box;

  padding: 0 0 8px;

  margin: 0;

  touch-action: pan-y;

  cursor: grab;

  user-select: none;

}

.ai-page .tl-hist__viewport.is-dragging {

  cursor: grabbing;

  touch-action: none;

}

/* 触控/窄屏由 JS 挂 is-native-scroll：原生横滑，不依赖 pointer 拖拽 */
.ai-page .tl-hist--native .tl-hist__viewport,
.ai-page .tl-hist__viewport.is-native-scroll {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  /* 横滑年份 + 竖滑滚页；仅 pan-x 会吞掉上下触摸 */
  touch-action: pan-x pan-y;
  cursor: default;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
}
.ai-page .tl-hist--native .tl-hist__viewport::-webkit-scrollbar,
.ai-page .tl-hist__viewport.is-native-scroll::-webkit-scrollbar {
  display: none;
}
.ai-page .tl-hist--native .tl-hist__track,
.ai-page .tl-hist__viewport.is-native-scroll .tl-hist__track {
  transform: none !important;
  will-change: auto;
}

.ai-page .tl-hist__viewport.is-page-scrolling {

  cursor: grab;

}

.ai-page .tl-hist__track {

  display: flex;

  gap: 48px;

  will-change: transform;

  padding: 0 56px;

  align-items: flex-start;

  width: max-content;

}

.ai-page .tl-hist__col {

  flex: 0 0 220px;

  width: 220px;

  box-sizing: border-box;

  background: transparent;

  border: none;

  box-shadow: none;

  padding: 0;

  margin: 0;

}

.ai-page .tl-hist__year {

  margin: 0 0 10px;

  font-size: 28px;

  font-weight: 700;

  line-height: 1.15;

  color: #e60012;

  letter-spacing: 0.01em;

}

.ai-page .tl-hist__year-line {

  width: 100%;

  height: 1px;

  background: rgba(15, 23, 42, 0.18);

  margin: 0 0 16px;

}

.ai-page .tl-hist__col-body {

  display: flex;

  flex-direction: column;

  gap: 14px;

}

.ai-page .tl-hist__block {

  min-width: 0;

}

.ai-page .tl-hist__block-label {

  margin: 0 0 6px;

  font-size: 14px;

  font-weight: 700;

  color: #1a1a1a;

  line-height: 1.35;

}

.ai-page .tl-hist__block-text {

  margin: 0 0 6px;

  font-size: 13px;

  line-height: 1.75;

  color: #404040;

  word-break: break-word;

  overflow-wrap: anywhere;

}

.ai-page .tl-hist__block-text:last-child {

  margin-bottom: 0;

}

@media (max-width: 900px) {

  .ai-page .tl-hist {

    padding: 48px 0 40px;

  }

  .ai-page .tl-hist__stages {

    gap: 16px;

    overflow-x: auto;

    justify-content: flex-start;

    padding-bottom: 8px;

  }

  .ai-page .tl-hist__stages::before {

    display: none;

  }

  .ai-page .tl-hist__stage-btn:not(:last-child)::before {

    content: "";

    position: absolute;

    z-index: 0;

    top: 4px;

    left: 50%;

    width: calc(100% + 16px);

    height: 1px;

    background: rgba(230, 0, 18, 0.35);

    pointer-events: none;

  }

  .ai-page .tl-hist__stage-dot {

    position: relative;

    z-index: 1;

    background: #fff;

  }

  .ai-page .tl-hist__stage-btn {

    min-width: 110px;

    flex: 0 0 auto;

  }

  .ai-page .tl-hist__track {

    gap: 32px;

    padding: 0 20px;

  }

  .ai-page .tl-hist__col {

    flex-basis: 180px;

    width: 180px;

  }

  .ai-page .tl-hist__year {

    font-size: 24px;

  }

}



/* 手机：历程年份卡加宽可读，阶段导航横滑无滚动条 */

@media (max-width: 768px) {

  .ai-page .about-hero {

    height: auto;

    min-height: 200px;

    max-height: none;

  }

  .ai-page .about-hero h1 {

    font-size: 20px;

    line-height: 1.3;

  }

  .ai-page .section.section--intro {

    padding: 28px 20px 36px;

  }

  .ai-page .section--intro .intro-text {

    font-size: 13px;

    line-height: 1.8;

  }

  .ai-page .section--intro .intro-text .intro-company-name,

  .ai-page .section--intro .intro-text > p:first-child:not(.intro-stock-line) {

    margin-bottom: 6px;

  }

  .ai-page .section--intro .intro-text .intro-stock-line {

    margin-bottom: 14px;

  }

  .ai-page .section--intro .intro-text p {

    margin-bottom: 12px;

  }

  .ai-page .tl-hist {

    padding: 40px 0 32px;

  }

  .ai-page .tl-hist__head {

    padding: 0 16px;

    margin-bottom: 20px;

  }

  .ai-page .tl-hist__stages {

    gap: 20px;

    padding: 8px 16px 0;

    -webkit-overflow-scrolling: touch;

    scrollbar-width: none;

  }

  .ai-page .tl-hist__stages::-webkit-scrollbar { display: none; }

  /* 横滑时 stages::before 只覆盖可视宽度，改用按钮间线段连接圆点 */
  .ai-page .tl-hist__stages::before {

    display: none;

  }

  .ai-page .tl-hist__stage-btn:not(:last-child)::before {

    content: "";

    position: absolute;

    z-index: 0;

    top: 4px;

    left: 50%;

    width: calc(100% + 20px);

    height: 1px;

    background: rgba(230, 0, 18, 0.35);

    pointer-events: none;

  }

  .ai-page .tl-hist__stage-dot {

    position: relative;

    z-index: 1;

    background: #fff;

  }

  .ai-page .tl-hist__viewport {

    /* 默认允许竖向原生滚页；确认横滑后再由 JS preventDefault + is-dragging 接管 */

    touch-action: pan-y;

  }

  /* 窄屏/触控：原生横向滚动，手指可直接横拉 */

  .ai-page .tl-hist--native .tl-hist__viewport,
  .ai-page .tl-hist__viewport.is-native-scroll {

    overflow-x: auto;

    overflow-y: hidden;

    -webkit-overflow-scrolling: touch;

    touch-action: pan-x pan-y;

    cursor: default;

    overscroll-behavior-x: contain;

    scrollbar-width: none;

  }

  .ai-page .tl-hist--native .tl-hist__viewport::-webkit-scrollbar,
  .ai-page .tl-hist__viewport.is-native-scroll::-webkit-scrollbar {

    display: none;

  }

  .ai-page .tl-hist--native .tl-hist__track,
  .ai-page .tl-hist__viewport.is-native-scroll .tl-hist__track {

    transform: none !important;

    will-change: auto;

  }

  .ai-page .tl-hist__track {

    gap: 16px;

    padding: 0 16px;

  }

  .ai-page .tl-hist__col {

    flex-basis: min(78vw, 300px);

    width: min(78vw, 300px);

  }

  .ai-page .tl-hist__year {

    font-size: 22px;

  }

  .ai-page .section--global .map-box {

    height: 280px;

  }

}

@media (prefers-reduced-motion: reduce) {

  .ai-page .tl-hist__track {

    transition-duration: 0.001ms !important;

  }

}



/* ===== 企业简介桌面分屏（about-fullpage.js） ===== */

body.ai-page.has-about-fullpage {

  --about-panel-h: 100svh;

  --about-panel-top: 80px; /* 避开固定导航，避免标题被裁切 */

}

html.has-about-fullpage {

  scroll-behavior: auto;

}

body.ai-page.has-about-fullpage .about-panel:not(.about-panel--auto):not(.about-hero) {

  height: var(--about-panel-h);

  min-height: var(--about-panel-h);

  max-height: var(--about-panel-h);

  box-sizing: border-box;

  overflow: hidden;

}

/* 旧：板块内滚动（双滚动条）— 保留类名兼容，默认不再启用 */

body.ai-page.has-about-fullpage .about-panel.about-panel--scroll {

  overflow-y: auto;

  overflow-x: hidden;

  -webkit-overflow-scrolling: touch;

}

/* 内容超长：板块随内容增高，只用页面滚动条 */

body.ai-page.has-about-fullpage .about-panel.about-panel--grow {

  height: auto !important;

  min-height: var(--about-panel-h);

  max-height: none !important;

  overflow: visible !important;

}

body.ai-page.has-about-fullpage .about-panel.about-panel--measuring {

  height: auto !important;

  min-height: 0 !important;

  max-height: none !important;

  overflow: visible !important;

}

body.ai-page.has-about-fullpage .honor-section.about-panel.about-panel--grow,

body.ai-page.has-about-fullpage .culture-section.about-panel.about-panel--grow {

  justify-content: flex-start;

}

/* Banner 参与分屏吸附，高度统一 400px */

body.ai-page.has-about-fullpage .about-hero.about-panel,

body.ai-page.has-about-fullpage .about-panel--auto {

  height: 400px;

  min-height: 400px;

  max-height: none;

  box-sizing: border-box;

  padding-top: 0;

  overflow: hidden;

}

body.ai-page.has-about-fullpage .section.section--intro {

  height: var(--about-panel-h);

  min-height: var(--about-panel-h);

  max-height: var(--about-panel-h);

  padding: var(--about-panel-top) 0 48px;

  box-sizing: border-box;

}

body.ai-page.has-about-fullpage .section.section--global,

body.ai-page.has-about-fullpage .section.section--chain {

  height: var(--about-panel-h) !important;

  min-height: var(--about-panel-h) !important;

  max-height: var(--about-panel-h) !important;

}

body.ai-page.has-about-fullpage .section.section--chain {

  background-color: #ffffff;

  background-image:
    linear-gradient(
      90deg,
      #ffffff 0%,
      #ffffff 34%,
      rgba(255, 255, 255, 0.92) 42%,
      rgba(255, 255, 255, 0.45) 54%,
      rgba(255, 255, 255, 0) 68%
    ),
    url('/dist/images/factory.jpg');

  background-repeat: no-repeat;

  background-position: left center, right center;

  background-size: 100% 100%, auto 100%;

}

/*
 * 窄屏勿再用 calc(100% + Nvw)「右推」底图：
 * 那会裁掉照片右侧建筑，图案反而挤进左侧文案区。
 * 始终 right / 100% 锚定右侧；缩窄只加长左侧白渐变护文案。
 */
@media (max-width: 1280px) {
  .ai-page .section.section--chain,
  body.ai-page.has-about-fullpage .section.section--chain {
    background-position: left center, right center;
    background-size: 100% 100%, auto 100%;
    background-image:
      linear-gradient(
        90deg,
        #ffffff 0%,
        #ffffff 38%,
        rgba(255, 255, 255, 0.94) 48%,
        rgba(255, 255, 255, 0.5) 60%,
        rgba(255, 255, 255, 0) 72%
      ),
      url('/dist/images/factory.jpg');
  }
}

@media (max-width: 1100px) {
  .ai-page .section.section--chain,
  body.ai-page.has-about-fullpage .section.section--chain {
    background-position: left center, right center;
    background-size: 100% 100%, auto 100%;
    background-image:
      linear-gradient(
        90deg,
        #ffffff 0%,
        #ffffff 46%,
        rgba(255, 255, 255, 0.95) 56%,
        rgba(255, 255, 255, 0.55) 66%,
        rgba(255, 255, 255, 0) 78%
      ),
      url('/dist/images/factory.jpg');
  }
}

body.ai-page.has-about-fullpage .section--global .global-inner {

  height: 100%;

  max-height: 100%;

}

body.ai-page.has-about-fullpage .section--global .map-box {

  /* 比原 560 略大即可；矮屏仍用视口高度兜底 */
  height: min(600px, calc(var(--about-panel-h) - 120px));

}

/* 宽屏余量只小幅放大，避免地图压过右侧文案 */
@media (min-width: 1440px) {

  .ai-page .section--global .global-inner {

    max-width: min(1400px, calc(100% - 48px));

    grid-template-columns: 1.48fr 0.9fr;

    gap: 44px;

  }

  .ai-page .section--global .map-box {

    height: 660px;

  }

  body.ai-page.has-about-fullpage .section--global .map-box {

    height: min(620px, calc(var(--about-panel-h) - 110px));

  }

}

@media (min-width: 1680px) {

  body.ai-page.has-about-fullpage .section--global .map-box {

    height: min(640px, calc(var(--about-panel-h) - 100px));

  }

}

body.ai-page.has-about-fullpage .section--chain .chain-inner {

  height: 100%;

  padding: 0;

}

body.ai-page.has-about-fullpage .section.section--timeline {

  max-width: none;

  width: 100%;

  display: flex;

  flex-direction: column;

  padding: 0;

  background: #fff;

}

body.ai-page.has-about-fullpage .section--timeline .tl-hist-wrap {

  flex: 1 1 auto;

  min-height: 0;

  height: 100%;

  display: flex;

  flex-direction: column;

}

body.ai-page.has-about-fullpage .section--timeline .tl-hist {

  flex: 1 1 auto;

  min-height: 0;

  height: 100%;

  display: flex;

  flex-direction: column;

  justify-content: flex-start;

  /* 导航下方再多留 50px，避免「发展历程」贴顶 */

  padding: calc(var(--about-panel-top) + 50px) 0 0;

  box-sizing: border-box;

}

body.ai-page.has-about-fullpage .section--timeline .tl-hist__head {

  flex: 0 0 auto;

  margin-bottom: 18px;

}

body.ai-page.has-about-fullpage .section--timeline .tl-hist__stages {

  flex: 0 0 auto;

  margin-bottom: 20px;

}

body.ai-page.has-about-fullpage .section--timeline .tl-hist__viewport-outer {

  flex: 1 1 auto;

  min-height: 180px;

  display: flex;

  flex-direction: column;

  justify-content: center;

  padding: 28px 0 56px;

  box-sizing: border-box;

  /* 雪山铺满剩余整屏高度，消除底白 */

  background-color: #f7f7f7;

  background-image:

    linear-gradient(180deg, #f7f7f7 0%, #f7f7f7 42%, rgba(247, 247, 247, 0.82) 58%, rgba(247, 247, 247, 0.35) 78%, rgba(247, 247, 247, 0.08) 90%, transparent 100%),

    url("/dist/images/history.jpg");

  background-position: center top, center bottom;

  background-size: 100% 100%, cover;

  background-repeat: no-repeat;

}

body.ai-page.has-about-fullpage .honor-section.about-panel {

  max-width: none;

  width: 100%;

  margin: 0;

  /* 「企业实力」标题距视口顶部 180px（原 var(--about-panel-top + 20px) 非法会被忽略） */
  padding: 124px 24px 48px;

  display: flex;

  flex-direction: column;

  justify-content: flex-start;

  align-items: stretch;

  box-sizing: border-box;

}

body.ai-page.has-about-fullpage .honor-section .section-head,

body.ai-page.has-about-fullpage .honor-section .honor-tabs {

  flex-shrink: 0;

}

body.ai-page.has-about-fullpage .honor-section .section-head,

body.ai-page.has-about-fullpage .honor-section .honor-tabs,

body.ai-page.has-about-fullpage .honor-section .honor-panels {

  max-width: var(--site-maxw);

  width: 100%;

  margin-left: auto;

  margin-right: auto;

}

body.ai-page.has-about-fullpage .culture-section.about-panel {

  max-width: none;

  width: 100%;

  margin: 0;

  padding: var(--about-panel-top) 0 48px;

  display: flex;

  flex-direction: column;

  justify-content: center;

  align-items: center;

  box-sizing: border-box;

}

body.ai-page.has-about-fullpage .culture-section .culture-section__head,

body.ai-page.has-about-fullpage .culture-section .culture-grid {

  width: 100%;

  max-width: var(--site-maxw);

}

body.ai-page.has-about-fullpage .culture-section .culture-card {

  width: 100%;

  min-height: 360px;

}

@media (max-width: 1023px) {

  body.ai-page.has-about-fullpage .about-panel,

  body.ai-page.has-about-fullpage .section.section--intro,

  body.ai-page.has-about-fullpage .section.section--global,

  body.ai-page.has-about-fullpage .section.section--chain {

    height: auto !important;

    min-height: 0 !important;

    max-height: none !important;

  }

  /* fullpage 桌面规则把左右 padding 清成 0，移动端需重新收进 */

  body.ai-page.has-about-fullpage .section.section--intro {

    padding: 40px 20px 48px;

  }

}

@media (max-width: 768px) {

  body.ai-page.has-about-fullpage .section.section--intro {

    padding: 28px 20px 36px;

  }

}

/* 笔记本分屏密度：关于页 L1/L2/L3 */
@media (min-width: 1024px) and (max-width: 1440px) and (max-height: 900px) {
  body.ai-page.has-about-fullpage .about-hero h1 {
    font-size: clamp(28px, 3.4vw, 40px);
  }
  body.ai-page.has-about-fullpage .section.section--intro {
    padding: 72px var(--site-gutter, 32px) 28px;
  }
  body.ai-page.has-about-fullpage .culture-section .culture-card {
    min-height: 280px;
  }
  body.ai-page.has-about-fullpage .honor-section.about-panel {
    padding-left: var(--site-gutter, 32px);
    padding-right: var(--site-gutter, 32px);
  }
}

@media (min-width: 1024px) and (max-width: 1440px) and (max-height: 700px) {
  body.ai-page.has-about-fullpage .about-hero h1 {
    font-size: clamp(24px, 3vw, 34px);
  }
  body.ai-page.has-about-fullpage .section.section--intro {
    padding: 64px var(--site-gutter, 28px) 18px;
  }
  body.ai-page.has-about-fullpage .culture-section .culture-card {
    min-height: 220px;
  }
  body.ai-page.has-about-fullpage .section--timeline .tl-hist__head {
    margin-bottom: 12px;
  }
}

@media (min-width: 1024px) and (max-width: 1440px) and (max-height: 580px) {
  body.ai-page.has-about-fullpage .about-hero h1 {
    font-size: clamp(20px, 2.6vw, 28px);
  }
  body.ai-page.has-about-fullpage .about-hero .sub {
    -webkit-line-clamp: 2;
    line-clamp: 2;
    font-size: 13px;
  }
  body.ai-page.has-about-fullpage .section.section--intro {
    padding: 56px var(--site-gutter, 24px) 10px;
  }
  body.ai-page.has-about-fullpage .culture-section .culture-card {
    min-height: 160px;
  }
  body.ai-page.has-about-fullpage .honor-section .section-head,
  body.ai-page.has-about-fullpage .culture-section .culture-section__head {
    margin-bottom: 8px;
  }
  body.ai-page.has-about-fullpage .about-panel.about-panel--scroll {
    overflow-y: hidden !important;
  }
  body.ai-page.has-about-fullpage .section--global .map-box {
    max-height: min(280px, 48vh);
  }
}



/* ===== Overflow / ellipsis ===== */

.ai-page .about-hero h1 {

  overflow: hidden;

  display: -webkit-box;

  -webkit-box-orient: vertical;

  -webkit-line-clamp: 2;

  line-clamp: 2;

  text-overflow: ellipsis;

  word-break: break-word;

  overflow-wrap: anywhere;

  max-height: 2.9em;

}

.ai-page .about-hero .sub {

  overflow: hidden;

  display: -webkit-box;

  -webkit-box-orient: vertical;

  -webkit-line-clamp: 3;

  line-clamp: 3;

  text-overflow: ellipsis;

  word-break: break-word;

  overflow-wrap: anywhere;

  max-height: 4.7em;

}

.ai-page .section--intro .intro-text p {

  overflow: hidden;

  display: -webkit-box;

  -webkit-box-orient: vertical;

  -webkit-line-clamp: 8;

  line-clamp: 8;

  text-overflow: ellipsis;

  word-break: break-word;

  overflow-wrap: anywhere;

}

.ai-page .section--intro .intro-text .intro-company-name,

.ai-page .section--intro .intro-text > p:first-child:not(.intro-stock-line),

.ai-page .section--intro .intro-text .intro-stock-line {

  -webkit-line-clamp: 2;

  line-clamp: 2;

  max-height: 2.8em;

}

.ai-page .section--global .global-title {

  overflow: hidden;

  display: -webkit-box;

  -webkit-box-orient: vertical;

  -webkit-line-clamp: 2;

  line-clamp: 2;

  text-overflow: ellipsis;

  word-break: break-word;

  overflow-wrap: anywhere;

  max-height: 2.8em;

}

.ai-page .section--global .global-desc {

  overflow: hidden;

  display: -webkit-box;

  -webkit-box-orient: vertical;

  -webkit-line-clamp: 5;

  line-clamp: 5;

  text-overflow: ellipsis;

  word-break: break-word;

  overflow-wrap: anywhere;

  max-height: 9.5em;

}

.ai-page .section--chain .chain-title-line {

  overflow: hidden;

  display: -webkit-box;

  -webkit-box-orient: vertical;

  -webkit-line-clamp: 2;

  line-clamp: 2;

  text-overflow: ellipsis;

  word-break: break-word;

  overflow-wrap: anywhere;

  max-height: 2.8em;

}

.ai-page .section--chain .chain-desc {

  overflow: hidden;

  display: -webkit-box;

  -webkit-box-orient: vertical;

  -webkit-line-clamp: 4;

  line-clamp: 4;

  text-overflow: ellipsis;

  word-break: break-word;

  overflow-wrap: anywhere;

  max-height: 7.8em;

}

.ai-page .tl-hist__stage-title {

  overflow: hidden;

  display: -webkit-box;

  -webkit-box-orient: vertical;

  -webkit-line-clamp: 2;

  line-clamp: 2;

  text-overflow: ellipsis;

  word-break: break-word;

  overflow-wrap: anywhere;

  max-height: 2.8em;

  max-width: 160px;

}

.ai-page .tl-hist__block-text {

  overflow: hidden;

  display: -webkit-box;

  -webkit-box-orient: vertical;

  -webkit-line-clamp: 3;

  line-clamp: 3;

  text-overflow: ellipsis;

  word-break: break-word;

  overflow-wrap: anywhere;

}

.ai-page .culture-card-title {

  overflow: hidden;

  display: -webkit-box;

  -webkit-box-orient: vertical;

  -webkit-line-clamp: 2;

  line-clamp: 2;

  text-overflow: ellipsis;

  word-break: break-word;

  overflow-wrap: anywhere;

  max-height: 2.7em;

}

.ai-page .culture-card-desc {

  overflow: hidden;

  display: -webkit-box;

  -webkit-box-orient: vertical;

  -webkit-line-clamp: 3;

  line-clamp: 3;

  text-overflow: ellipsis;

  word-break: break-word;

  overflow-wrap: anywhere;

  max-height: 5.4em;

}

/* av-fold-mobile */
/* Dual/triple fold (Mate XT unfolded CSS size, or a hinge). Excludes 1920 desktop and 1440x900 laptop. */
@media (min-width: 1200px) and (max-width: 1650px) and (min-aspect-ratio: 4/3) and (max-aspect-ratio: 29/20),
       (min-width: 769px) and (max-width: 1199px) and (max-aspect-ratio: 3/2),
       (min-width: 769px) and (max-width: 1200px) and (max-aspect-ratio: 3/4),
       (spanning: single-fold-vertical),
       (spanning: single-fold-horizontal),
       (horizontal-viewport-segments: 2),
       (horizontal-viewport-segments: 3),
       (vertical-viewport-segments: 2),
       (vertical-viewport-segments: 3) {


    .ai-page .hub-grid, .ai-page .intro-cards, .ai-page .service-grid, .ai-page .faq-grid, .ai-page .investor-wrap { grid-template-columns: 1fr; }

.ai-page .intro-row { flex-direction: row; }

.ai-page .intro-video { flex: 0 0 42%; width: auto; }

.ai-page .section.section--intro {

  min-height: 0;

  padding: 28px 20px 32px;

  display: block;

  background: #fff;

}

.ai-page .section--intro .intro-inner {

  padding: 0;

  box-sizing: border-box;

}

.ai-page .section--intro .intro-text .intro-company-name,

.ai-page .section--intro .intro-text > p:first-child:not(.intro-stock-line) {

  margin-bottom: 6px;

  font-size: 16px;

  line-height: 1.35;

}

.ai-page .section--intro .intro-text .intro-stock-line {

  margin-bottom: 10px;

}

.ai-page .section--intro .intro-row {

  flex-direction: row;

  gap: 18px;

  align-items: center;

}

.ai-page .section--intro .intro-text {

  flex: 1 1 auto;

  min-width: 0;

  max-width: none;

  box-sizing: border-box;

  font-size: 13px;

  line-height: 1.65;

}

.ai-page .section--intro .intro-text p {

  margin: 0 0 8px;

}

.ai-page .section--intro .intro-video {

  flex: 0 0 min(380px, 42%);

  width: min(380px, 42%);

  max-width: 42%;

  aspect-ratio: 16 / 9;

  align-self: center;

}

.ai-page .honor-panel[data-panel="qual"] .honor-grid,
.ai-page .honor-panel[data-panel="patent"] .honor-grid,
.ai-page .honor-panel[data-panel="honor"] .honor-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
}

.ai-page .patent-card { height: 180px; }

.ai-page .about-hero {

  height: 38vh;

  min-height: 280px;

  max-height: 420px;

  padding: 0;

}

.ai-page .about-hero .inner { padding: 0 16px; }

.ai-page .about-hero h1 {

  font-size: 22px;

  font-weight: 700;

  margin-bottom: 8px;

}

.ai-page .about-hero .sub {

  font-size: 15px;

  font-weight: 400;

  letter-spacing: 0.02em;

}

.ai-page .section { padding: 48px 16px 20px; }

.ai-page .honor-grid { gap: 10px; }

.ai-page .patent-card { height: 160px; }

.ai-page .culture-section { padding: 56px 16px 64px; }

.ai-page .culture-grid { gap: 12px; margin-top: 28px; }

.ai-page .culture-card {

  width: 100%;

  height: auto;

  min-height: 0;

  aspect-ratio: 358 / 330;

}

.ai-page .culture-card__body { padding: 28px 16px; }

.ai-page .culture-card-desc { max-width: none; font-size: 13px; }

/* ===== 标题居中移动端适配 ===== */




    .ai-page .section-head { flex-direction: column; gap: 10px; }

.ai-page .section-head .view-all { position: static; transform: none; align-self: center; margin-top: 2px; }

.ai-page .section-title .bar { margin-bottom: 12px; }

.ai-page .featured-title .bar { margin-bottom: 12px; }

.ai-page .section--global .global-stats {

  grid-template-columns: repeat(2, 1fr);

  gap: 16px 12px;

}

.ai-page .section--global .global-stat b {

  font-size: 28px;

}

.ai-page .section--global .map-box {

  height: 460px;

  border: none;

  outline: none;

  box-shadow: none;

}

.ai-page .section--global .map-svg-wrap {

  height: 100%;

  min-height: 400px;

  border: none;

  overflow: hidden;

}

.ai-page .section--global .map-location-list,

.ai-page .section--global .map-location-hint {

  display: none !important;

}

.ai-page .section--global .global-inner {

  grid-template-columns: 1fr;

  gap: 20px;

  padding: 0 16px;

}

.ai-page .section--global .global-content {

  padding: 0;

}

.ai-page .section--global .global-title {

  margin: 0 0 10px;

  font-size: 22px;

  line-height: 1.3;

}

.ai-page .section--global .global-desc {

  font-size: 13px;

  line-height: 1.65;

  margin-bottom: 14px;

}

.ai-page .section--global .map-box.is-fold .map-svg-wrap,

.ai-page .section--global .map-box:not(.is-compact) .map-svg-wrap {

  height: 100%;

}

.ai-page .section.section--global {

  padding: 36px 0 40px;

}

.ai-page .section--global .map-switch button {

  padding: 6px 14px;

  font-size: var(--av-fs-caption, 13px);

}




  .ai-page .tl-hist {

    padding: 48px 0 40px;

  }

  .ai-page .tl-hist__stages {

    gap: 16px;

    overflow-x: auto;

    justify-content: flex-start;

    padding-bottom: 8px;

  }

  .ai-page .tl-hist__stages::before {

    display: none;

  }

  .ai-page .tl-hist__stage-btn:not(:last-child)::before {

    content: "";

    position: absolute;

    z-index: 0;

    top: 4px;

    left: 50%;

    width: calc(100% + 16px);

    height: 1px;

    background: rgba(230, 0, 18, 0.35);

    pointer-events: none;

  }

  .ai-page .tl-hist__stage-dot {

    position: relative;

    z-index: 1;

    background: #fff;

  }

  .ai-page .tl-hist__stage-btn {

    min-width: 110px;

    flex: 0 0 auto;

  }

  .ai-page .tl-hist__track {

    gap: 32px;

    padding: 0 20px;

  }

  .ai-page .tl-hist__col {

    flex-basis: 180px;

    width: 180px;

  }

  .ai-page .tl-hist__year {

    font-size: 24px;

  }




  .ai-page .about-hero {

    height: auto;

    min-height: 200px;

    max-height: none;

  }

  .ai-page .about-hero h1 {

    font-size: 20px;

    line-height: 1.3;

  }

  .ai-page .section.section--intro {

    padding: 28px 20px 36px;

  }

  .ai-page .section--intro .intro-text {

    font-size: 13px;

    line-height: 1.8;

  }

  .ai-page .section--intro .intro-text .intro-company-name,

  .ai-page .section--intro .intro-text > p:first-child:not(.intro-stock-line) {

    margin-bottom: 6px;

  }

  .ai-page .section--intro .intro-text .intro-stock-line {

    margin-bottom: 14px;

  }

  .ai-page .section--intro .intro-text p {

    margin-bottom: 12px;

  }

  .ai-page .tl-hist {

    padding: 40px 0 32px;

  }

  .ai-page .tl-hist__head {

    padding: 0 16px;

    margin-bottom: 20px;

  }

  .ai-page .tl-hist__stages {

    gap: 20px;

    padding: 8px 16px 0;

    -webkit-overflow-scrolling: touch;

    scrollbar-width: none;

  }

  .ai-page .tl-hist__stages::-webkit-scrollbar { display: none; }

  /* 横滑时 stages::before 只覆盖可视宽度，改用按钮间线段连接圆点 */
  .ai-page .tl-hist__stages::before {

    display: none;

  }

  .ai-page .tl-hist__stage-btn:not(:last-child)::before {

    content: "";

    position: absolute;

    z-index: 0;

    top: 4px;

    left: 50%;

    width: calc(100% + 20px);

    height: 1px;

    background: rgba(230, 0, 18, 0.35);

    pointer-events: none;

  }

  .ai-page .tl-hist__stage-dot {

    position: relative;

    z-index: 1;

    background: #fff;

  }

  .ai-page .tl-hist__viewport {

    /* 默认允许竖向原生滚页；确认横滑后再由 JS preventDefault + is-dragging 接管 */

    touch-action: pan-y;

  }

  /* 窄屏/触控：原生横向滚动，手指可直接横拉 */

  .ai-page .tl-hist--native .tl-hist__viewport,
  .ai-page .tl-hist__viewport.is-native-scroll {

    overflow-x: auto;

    overflow-y: hidden;

    -webkit-overflow-scrolling: touch;

    touch-action: pan-x pan-y;

    cursor: default;

    overscroll-behavior-x: contain;

    scrollbar-width: none;

  }

  .ai-page .tl-hist--native .tl-hist__viewport::-webkit-scrollbar,
  .ai-page .tl-hist__viewport.is-native-scroll::-webkit-scrollbar {

    display: none;

  }

  .ai-page .tl-hist--native .tl-hist__track,
  .ai-page .tl-hist__viewport.is-native-scroll .tl-hist__track {

    transform: none !important;

    will-change: auto;

  }

  .ai-page .tl-hist__track {

    gap: 16px;

    padding: 0 16px;

  }

  .ai-page .tl-hist__col {

    flex-basis: min(78vw, 300px);

    width: min(78vw, 300px);

  }

  .ai-page .tl-hist__year {

    font-size: 22px;

  }

  .ai-page .section--global .map-box {

    height: 460px;

  }

  .ai-page .section--global .map-location-list,

  .ai-page .section--global .map-location-hint {

    display: none !important;

  }




  body.ai-page.has-about-fullpage .section.section--intro {

    padding: 28px 20px 36px;

  }

}