.about-content {
  overflow: hidden;
  color: #001d3d;
  background: #f5f7fa;
  font-family: Inter, "Microsoft YaHei", sans-serif;
}

.about-content *,
.about-content *::before,
.about-content *::after {
  box-sizing: border-box;
}

.about-content .material-symbols-outlined {
  display: inline-block;
  vertical-align: middle;
  line-height: 1;
  font-variation-settings: "FILL" 0, "wght" 400, "GRAD" 0, "opsz" 24;
}

.about-content .bento-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-content .bento-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px -10px rgba(30, 90, 150, 0.2);
}

.about-content .bg-light-gradient {
  background: linear-gradient(135deg, #f5f7fa 0%, #ffffff 100%);
}

.about-content .timeline-year-active {
  color: #001d3d;
  font-size: 84px;
  font-weight: 700;
}

.about-content .timeline-year-inactive {
  color: #e2e7ef;
  font-size: 24px;
  font-weight: 500;
}

.about-content .bullet-point::before {
  margin-right: 12px;
  color: #0052d9;
  font-weight: 700;
  content: "\2022";
}

.about-content .card-hover-effect {
  transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1), box-shadow 0.4s ease;
}

.about-content .card-hover-effect:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.about-content .glass-panel {
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px);
}

.about-content .company-cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.about-content .company-stat-number {
  display: inline-block;
  min-width: 4.5ch;
  font-variant-numeric: tabular-nums;
}

.about-content .company-cta-button {
  display: inline-flex;
  min-width: 168px;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-weight: 700;
  line-height: 1.5;
  text-decoration: none;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.about-content .company-cta-button.is-primary {
  background: #ffffff;
  color: #0052d9;
}

.about-content .company-cta-button.is-primary:hover,
.about-content .company-cta-button.is-primary:focus-visible {
  background: #edf3ff;
}

.about-content .company-cta-button.is-secondary {
  border-color: #ffffff;
  background: rgba(255, 255, 255, 0.06);
  color: #ffffff;
}

.about-content .company-cta-button.is-secondary:hover,
.about-content .company-cta-button.is-secondary:focus-visible {
  background: rgba(255, 255, 255, 0.16);
}

.about-content .company-cta-button:focus-visible {
  outline: 3px solid rgba(234, 240, 245, 0.75);
  outline-offset: 3px;
}

.about-content.company-profile-content {
  color: #2f3744;
  background: #ffffff;
}

.about-content .company-profile-container {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
}

.about-content .company-profile-overview,
.about-content .company-profile-original,
.about-content .company-profile-capability {
  padding: 96px 0;
}

.about-content .company-profile-overview {
  background: #ffffff;
}

.about-content .company-profile-overview-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 0.9fr);
  align-items: center;
  gap: 72px;
}

.about-content .company-profile-kicker {
  display: block;
  margin-bottom: 18px;
  color: #0052d9;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.about-content .company-profile-lead h2,
.about-content .company-profile-section-heading h2,
.about-content .company-profile-capability-copy h2 {
  margin: 0;
  color: #001d3d;
  font-family: Manrope, "Microsoft YaHei", sans-serif;
  font-size: clamp(32px, 3.2vw, 46px);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.about-content .company-profile-lead > p {
  max-width: 670px;
  margin: 26px 0 0;
  color: #596170;
  font-size: 17px;
  line-height: 1.9;
}

.about-content .company-profile-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px 34px;
  margin-top: 42px;
  padding-top: 32px;
  border-top: 1px solid #e2e7ef;
}

.about-content .company-profile-stats > div {
  min-width: 0;
}

.about-content .company-profile-stats .company-stat-number {
  color: #0052d9;
  font-family: Manrope, "Microsoft YaHei", sans-serif;
  font-size: clamp(34px, 3.3vw, 48px);
  font-weight: 700;
  line-height: 1.1;
}

.about-content .company-profile-stats p {
  max-width: 200px;
  margin: 8px 0 0;
  color: #596170;
  font-size: 13px;
  line-height: 1.65;
}

.about-content .company-profile-visual,
.about-content .company-profile-capability-image {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: #edf3ff;
}

.about-content .company-profile-visual {
  aspect-ratio: 4 / 5;
}

.about-content .company-profile-visual img,
.about-content .company-profile-capability-image img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform 650ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.about-content .company-profile-visual:hover img,
.about-content .company-profile-capability-image:hover img {
  transform: scale(1.035);
}

.about-content .company-profile-visual figcaption {
  position: absolute;
  right: 0;
  bottom: 0;
  padding: 13px 20px;
  color: #ffffff;
  background: rgba(12, 35, 64, 0.9);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.about-content .company-profile-original {
  background: #f5f7fa;
}

.about-content .company-profile-section-heading {
  max-width: 780px;
  margin-bottom: 52px;
}

.about-content .company-profile-section-heading > p {
  margin: 18px 0 0;
  color: #596170;
  font-size: 14px;
  line-height: 1.75;
}

.about-content .company-profile-original-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  align-items: start;
  gap: 64px;
}

.about-content .company-profile-prose {
  padding: 48px 52px;
  background: #ffffff;
  border-top: 3px solid #0052d9;
  box-shadow: 0 18px 44px rgba(12, 35, 64, 0.07);
}

.about-content .company-profile-prose p {
  margin: 0;
  color: #2f3744;
  font-size: 17px;
  line-height: 2;
  text-align: justify;
  text-justify: inter-ideograph;
}

.about-content .company-profile-prose p + p {
  margin-top: 25px;
}

.about-content .company-profile-summary {
  position: sticky;
  top: 110px;
  padding: 30px;
  color: #edf3ff;
  background: #001d3d;
}

.about-content .company-profile-summary h3 {
  margin: 0 0 22px;
  color: #ffffff;
  font-family: Manrope, "Microsoft YaHei", sans-serif;
  font-size: 20px;
}

.about-content .company-profile-summary ul {
  display: grid;
  gap: 19px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.about-content .company-profile-summary li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
}

.about-content .company-profile-summary li::before {
  position: absolute;
  top: 0.7em;
  left: 0;
  width: 5px;
  height: 5px;
  background: #0052d9;
  content: "";
}

.about-content .company-profile-capability {
  background: #ffffff;
}

.about-content .company-profile-capability-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(390px, 0.82fr);
  align-items: stretch;
  gap: 70px;
}

.about-content .company-profile-capability-image {
  min-height: 520px;
}

.about-content .company-profile-capability-copy {
  align-self: center;
}

.about-content .company-profile-base-list {
  display: grid;
  margin-top: 40px;
  border-top: 1px solid #e2e7ef;
}

.about-content .company-profile-base-list > div {
  padding: 22px 0;
  border-bottom: 1px solid #e2e7ef;
}

.about-content .company-profile-base-list strong {
  display: block;
  margin-bottom: 8px;
  color: #001d3d;
  font-size: 17px;
}

.about-content .company-profile-base-list p {
  margin: 0;
  color: #596170;
  font-size: 15px;
  line-height: 1.75;
}

@media (max-width: 980px) {
  .about-content .company-profile-overview-grid,
  .about-content .company-profile-original-grid,
  .about-content .company-profile-capability-grid {
    grid-template-columns: 1fr;
  }

  .about-content .company-profile-overview-grid,
  .about-content .company-profile-capability-grid {
    gap: 46px;
  }

  .about-content .company-profile-visual {
    aspect-ratio: 16 / 10;
  }

  .about-content .company-profile-original-grid {
    gap: 28px;
  }

  .about-content .company-profile-summary {
    position: static;
  }

  .about-content .company-profile-capability-image {
    min-height: 420px;
  }
}

@media (max-width: 640px) {
  .about-content .company-profile-container {
    width: calc(100% - 32px);
  }

  .about-content .company-profile-overview,
  .about-content .company-profile-original,
  .about-content .company-profile-capability {
    padding: 64px 0;
  }

  .about-content .company-profile-stats {
    gap: 22px 18px;
  }

  .about-content .company-profile-stats p {
    font-size: 12px;
  }

  .about-content .company-profile-prose {
    padding: 30px 22px;
  }

  .about-content .company-profile-prose p {
    font-size: 16px;
    line-height: 1.9;
    text-align: left;
  }

  .about-content .company-profile-capability-image {
    min-height: 280px;
  }
}

.about-content .history-timeline {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: 104px 0 108px;
  color: #f5f7fa;
  background:
    radial-gradient(circle at 16% 10%, rgba(30, 90, 150, 0.16) 0, transparent 26%),
    radial-gradient(circle at 84% 8%, rgba(30, 90, 150, 0.12) 0, transparent 24%),
    linear-gradient(180deg, #001d3d 0%, #001d3d 42%, #001d3d 100%);
}

.about-content .history-timeline::before {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image: url("../shared/assets/company-facility-3d.webp");
  background-position: center;
  background-size: cover;
  filter: grayscale(0.12) saturate(0.6) contrast(1.05) blur(0.4px);
  opacity: 0.14;
  transform: scale(1.04);
  content: "";
  pointer-events: none;
}

.about-content .history-timeline::after {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(234, 240, 245, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(234, 240, 245, 0.06) 1px, transparent 1px);
  background-size: 54px 54px;
  content: "";
  mask-image: linear-gradient(to bottom, transparent, #001d3d 14%, #001d3d 86%, transparent);
  pointer-events: none;
}

.about-content .history-timeline__container {
  width: min(1400px, calc(100% - 48px));
  margin: 0 auto;
}

.about-content .history-timeline__nav {
  padding: 0 0 28px;
}

.about-content .history-timeline__heading {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 24px;
  align-items: end;
  margin-bottom: 22px;
}

.about-content .history-timeline__eyebrow {
  display: inline-flex;
  margin-bottom: 12px;
  color: #0052d9;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.about-content .history-timeline__heading h2 {
  margin: 0;
  color: #f5f7fa;
  font-family: Manrope, "Microsoft YaHei", sans-serif;
  font-size: clamp(40px, 4.2vw, 66px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.about-content .history-timeline__heading p {
  max-width: 60ch;
  margin: 16px 0 0;
  color: rgba(234, 240, 245, 0.8);
  font-size: 16px;
  line-height: 1.9;
}

.about-content .history-timeline__summary {
  padding: 24px 24px 22px;
  border: 1px solid rgba(234, 240, 245, 0.14);
  background: linear-gradient(180deg, rgba(12, 35, 64, 0.88), rgba(12, 35, 64, 0.76));
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(16px);
}

.about-content .history-timeline__summary-label {
  display: block;
  margin-bottom: 10px;
  color: rgba(234, 240, 245, 0.54);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.about-content .history-timeline__summary strong {
  display: block;
  color: #f5f7fa;
  font-family: Manrope, "Microsoft YaHei", sans-serif;
  font-size: 24px;
  line-height: 1.32;
}

.about-content .history-timeline__summary p {
  margin: 10px 0 0;
  color: rgba(234, 240, 245, 0.74);
  font-size: 14px;
  line-height: 1.7;
}

.about-content .history-timeline__rail {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  border: 1px solid rgba(234, 240, 245, 0.12);
  background: rgba(12, 35, 64, 0.72);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
}

.about-content .history-timeline__years {
  display: grid;
  flex: 1 1 auto;
  grid-auto-flow: column;
  grid-auto-columns: minmax(78px, 1fr);
  gap: 10px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scrollbar-width: none;
}

.about-content .history-timeline__years::-webkit-scrollbar {
  display: none;
}

.about-content .history-timeline__years button {
  display: flex;
  min-height: 88px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 14px;
  border: 1px solid rgba(234, 240, 245, 0.14);
  background: linear-gradient(180deg, rgba(12, 35, 64, 0.96) 0%, rgba(12, 35, 64, 0.98) 100%);
  color: rgba(234, 240, 245, 0.7);
  cursor: pointer;
  font-family: Manrope, "Microsoft YaHei", sans-serif;
  font-size: 24px;
  font-weight: 800;
  line-height: 1;
  scroll-snap-align: center;
  transition:
    transform 0.25s ease,
    border-color 0.25s ease,
    background-color 0.25s ease,
    box-shadow 0.25s ease,
    color 0.25s ease;
}

.about-content .history-timeline__years button span {
  display: block;
  color: currentColor;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  opacity: 0.62;
}

.about-content .history-timeline__years button[aria-selected="true"] {
  border-color: rgba(30, 90, 150, 0.95);
  background: linear-gradient(180deg, #0052d9 0%, #0052d9 100%);
  color: #001d3d;
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.3);
  transform: translateY(-2px);
}

.about-content .history-timeline__years button:hover,
.about-content .history-timeline__years button:focus-visible {
  border-color: rgba(30, 90, 150, 0.56);
  background: rgba(12, 35, 64, 1);
  color: #ffffff;
}

.about-content .history-timeline__years button:focus-visible,
.about-content .history-timeline__arrow:focus-visible {
  outline: 3px solid rgba(30, 90, 150, 0.26);
  outline-offset: 3px;
}

.about-content .history-timeline__arrow {
  display: inline-flex;
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(234, 240, 245, 0.14);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(12, 35, 64, 0.95), rgba(12, 35, 64, 0.98));
  color: #edf3ff;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.about-content .history-timeline__arrow .material-symbols-outlined {
  font-size: 18px;
}

.about-content .history-timeline__arrow:hover:not(:disabled) {
  border-color: rgba(30, 90, 150, 0.6);
  background: rgba(12, 35, 64, 1);
  color: #0052d9;
  transform: translateY(-1px);
}

.about-content .history-timeline__arrow:disabled {
  cursor: not-allowed;
  opacity: 0.34;
}

.about-content .history-timeline__panel {
  padding: 0 0 96px;
}

.about-content .history-timeline__panel-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  align-items: stretch;
  gap: 28px;
  will-change: opacity, transform;
  transition: opacity 0.28s ease, transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

.about-content .history-timeline__panel-inner.is-changing {
  opacity: 0;
  transform: translateY(12px);
}

.about-content .history-timeline__story {
  position: relative;
  overflow: hidden;
  padding: 48px 48px 42px;
  border: 1px solid rgba(234, 240, 245, 0.14);
  background: linear-gradient(180deg, rgba(12, 35, 64, 0.96), rgba(12, 35, 64, 0.92));
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.35);
}

.about-content .history-timeline__story::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, #0052d9 0%, #0052d9 100%);
  content: "";
}

.about-content .history-timeline__watermark {
  position: absolute;
  right: -8px;
  bottom: -20px;
  color: rgba(234, 240, 245, 0.055);
  font-family: Manrope, "Microsoft YaHei", sans-serif;
  font-size: clamp(120px, 17vw, 220px);
  font-weight: 800;
  line-height: 1;
  user-select: none;
  pointer-events: none;
}

.about-content .history-timeline__story-head {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.about-content .history-timeline__selected-year {
  display: flex;
  align-items: baseline;
  gap: 0.1em;
  margin: 0;
  color: #ffffff;
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
}

.about-content .history-timeline__selected-year [data-history-label],
.about-content .history-timeline__year-suffix {
  font-family: Manrope, "Microsoft YaHei", sans-serif;
  font-size: clamp(66px, 8vw, 108px);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.03em;
}

.about-content .history-timeline__phase {
  margin: 0;
  padding: 10px 14px;
  border: 1px solid rgba(30, 90, 150, 0.18);
  background: linear-gradient(180deg, rgba(30, 90, 150, 0.16), rgba(30, 90, 150, 0.08));
  color: #0052d9;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.about-content .history-timeline__story-copy {
  position: relative;
  max-width: 620px;
}

.about-content .history-timeline__story-caption {
  display: inline-flex;
  margin-bottom: 18px;
  color: rgba(234, 240, 245, 0.62);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.about-content .history-timeline__events ul {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.about-content .history-timeline__events li {
  position: relative;
  padding: 16px 18px 16px 28px;
  border: 1px solid rgba(234, 240, 245, 0.14);
  background: rgba(255, 255, 255, 0.035);
  color: rgba(245, 247, 249, 0.92);
  font-size: 17px;
  line-height: 1.8;
  animation: history-event-enter 0.48s both;
  animation-delay: calc(var(--history-item-index, 0) * 90ms);
}

.about-content .history-timeline__events li::before {
  position: absolute;
  top: 24px;
  left: 14px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: linear-gradient(180deg, #0052d9 0%, #0052d9 100%);
  box-shadow: 0 0 0 4px rgba(30, 90, 150, 0.14);
  content: "";
}

.about-content .history-timeline__visual {
  display: flex;
}

.about-content .history-timeline__image-card {
  position: relative;
  display: flex;
  flex: 1;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid rgba(234, 240, 245, 0.14);
  background: linear-gradient(180deg, rgba(12, 35, 64, 0.94), rgba(12, 35, 64, 0.96));
  box-shadow: 0 28px 64px rgba(0, 0, 0, 0.36);
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.5s ease;
}

.about-content .history-timeline__image-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 34px 76px rgba(0, 0, 0, 0.44);
}

.about-content .history-timeline__image-frame {
  flex: 1;
  min-height: 430px;
  overflow: hidden;
  background: #001d3d;
}

.about-content .history-timeline__image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.86) contrast(1.02);
  transition: transform 0.65s cubic-bezier(0.22, 1, 0.36, 1), filter 0.65s ease;
}

.about-content .history-timeline__image-card:hover .history-timeline__image-frame img {
  filter: saturate(1) contrast(1.04);
  transform: scale(1.03);
}

.about-content .history-timeline__image-card figcaption {
  padding: 16px 20px;
  border-top: 1px solid rgba(234, 240, 245, 0.12);
  background: rgba(255, 255, 255, 0.03);
  color: rgba(234, 240, 245, 0.68);
  font-size: 14px;
  font-weight: 600;
}

.about-content button,
.about-content input,
.about-content textarea {
  font: inherit;
}

@keyframes history-event-enter {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .about-content .history-timeline__events li,
  .about-content .history-timeline__image-card,
  .about-content .history-timeline__years button,
  .about-content .history-timeline__arrow {
    animation: none;
    transition: none;
  }
}

@media (max-width: 1024px) {
  .about-content .history-timeline {
    padding: 88px 0 96px;
  }

  .about-content .history-timeline__heading {
    grid-template-columns: 1fr;
  }

  .about-content .history-timeline__panel-inner {
    grid-template-columns: 1fr;
  }

  .about-content .history-timeline__image-frame {
    min-height: 340px;
  }
}

@media (max-width: 767px) {
  .about-content .history-timeline {
    padding-bottom: 72px;
    padding-top: 68px;
  }

  .about-content .history-timeline__container {
    width: min(100%, calc(100% - 32px));
  }

  .about-content .history-timeline__nav {
    padding-top: 0;
  }

  .about-content .history-timeline__heading p {
    font-size: 15px;
  }

  .about-content .history-timeline__summary {
    padding: 18px 18px 16px;
  }

  .about-content .history-timeline__rail {
    padding: 12px;
    margin-top: 18px;
  }

  .about-content .history-timeline__arrow {
    display: none;
  }

  .about-content .history-timeline__years {
    grid-auto-columns: minmax(82px, 1fr);
    gap: 10px;
  }

  .about-content .history-timeline__years button {
    min-height: 72px;
    font-size: 22px;
  }

  .about-content .history-timeline__years button[aria-selected="true"] {
    transform: none;
  }

  .about-content .history-timeline__panel {
    padding-bottom: 76px;
  }

  .about-content .history-timeline__story {
    padding: 28px 20px 24px;
  }

  .about-content .history-timeline__story::before {
    width: 3px;
  }

  .about-content .history-timeline__story-head {
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 22px;
  }

  .about-content .history-timeline__selected-year [data-history-label],
  .about-content .history-timeline__year-suffix {
    font-size: clamp(48px, 18vw, 72px);
  }

  .about-content .history-timeline__phase {
    padding: 8px 12px;
    font-size: 12px;
  }

  .about-content .history-timeline__events li {
    font-size: 15px;
    padding: 14px 14px 14px 24px;
  }

  .about-content .history-timeline__image-frame {
    min-height: 260px;
  }

  .about-content .history-timeline__watermark {
    right: 8px;
    bottom: 0;
    font-size: 92px;
  }
}

/* Company profile layout: editorial introduction, growth band, and an asymmetric manufacturing map. */
.about-content.company-about-page {
  --about-ink: #001d3d;
  --about-muted: #596170;
  --about-blue: #0052d9;
  --about-deep: #001d3d;
  --about-line: #e2e7ef;
  --about-soft: #f5f7fa;
  color: var(--about-ink);
  background: #ffffff;
  font-family: Inter, "Microsoft YaHei", sans-serif;
}

.company-about-page *,
.company-about-page *::before,
.company-about-page *::after { box-sizing: border-box; }

.company-about-shell {
  width: min(1216px, calc(100% - 80px));
  margin: 0 auto;
}

.company-about-intro { padding: 108px 0 96px; background: #f5f7fa; }

.company-about-intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(420px, .78fr);
  gap: 88px;
  align-items: start;
}

.company-about-kicker {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--about-blue);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
}

.company-about-intro-copy h2,
.company-about-section-heading h2,
.company-about-mission-copy h2,
.company-about-cta h2 {
  margin: 0;
  color: var(--about-ink);
  font-family: Manrope, "Microsoft YaHei", sans-serif;
  font-size: clamp(34px, 3.5vw, 52px);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.22;
  text-wrap: balance;
}

.company-about-intro-copy > p {
  max-width: 680px;
  margin: 30px 0 0;
  color: var(--about-muted);
  font-size: 16px;
  line-height: 2;
  text-align: justify;
  text-justify: inter-ideograph;
}

.company-about-intro-copy > p + p { margin-top: 18px; }

.company-about-intro-visual,
.company-about-layout-visual,
.company-about-mission-visual {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: #edf3ff;
}

.company-about-intro-visual { aspect-ratio: 4 / 3.25; box-shadow: 0 22px 42px rgba(12, 35, 64, .12); }

.company-about-intro-visual img,
.company-about-layout-visual img,
.company-about-mission-visual img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  filter: saturate(.84) contrast(1.03);
  transition: transform 700ms cubic-bezier(.2, .7, .2, 1), filter 700ms ease;
}

.company-about-intro-visual:hover img,
.company-about-layout-visual:hover img,
.company-about-mission-visual:hover img { transform: scale(1.035); filter: saturate(.98) contrast(1.04); }

.company-about-intro-visual::after,
.company-about-layout-visual::after,
.company-about-mission-visual::after { position: absolute; inset: 0; border: 1px solid rgba(255,255,255,.45); content: ""; pointer-events: none; }

.company-about-intro-visual figcaption,
.company-about-mission-visual figcaption {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 13px 18px;
  color: #ffffff;
  background: rgba(12, 35, 64, .86);
  font-size: 12px;
  letter-spacing: .04em;
}

.company-about-market-note {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  align-items: center;
  margin-top: 38px;
  padding: 22px 0;
  border-top: 1px solid #e2e7ef;
  border-bottom: 1px solid #e2e7ef;
}

.company-about-market-note > span { color: #596170; font-size: 12px; font-weight: 700; letter-spacing: .04em; }
.company-about-market-note > div { padding-left: 20px; }
.company-about-market-note > div + div { border-left: 1px solid #e2e7ef; }
.company-about-market-note strong { display: block; color: #0052d9; font-family: Manrope, sans-serif; font-size: 26px; line-height: 1; }
.company-about-market-note em { display: block; margin-top: 8px; color: #596170; font-size: 11px; font-style: normal; line-height: 1.4; }

.company-about-growth { color: #f5f7fa; background: var(--about-deep); }

.company-about-growth-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  min-height: 164px;
  align-items: stretch;
}

.company-about-growth-heading {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 28px 28px 28px 0;
  border-right: 1px solid rgba(234, 240, 245, .2);
}

.company-about-growth-heading span { color: #f5f7fa; font-size: 16px; font-weight: 700; letter-spacing: 0; }
.company-about-growth-heading p { margin: 13px 0 0; color: rgba(245, 247, 249, .68); font-size: 13px; line-height: 1.65; }

.company-about-growth-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.company-about-growth-stats > div { display: flex; min-height: 164px; flex-direction: column; justify-content: center; padding: 24px 28px; border-right: 1px solid rgba(234, 240, 245, .18); transition: background-color .25s ease; }
.company-about-growth-stats > div:last-child { border-right: 0; }
.company-about-growth-stats > div:hover { background: rgba(30, 90, 150, .13); }
.company-about-growth-stats strong { display: block; min-height: 50px; color: #ffffff; font-family: Manrope, sans-serif; font-size: clamp(32px, 3vw, 48px); font-weight: 700; font-variant-numeric: tabular-nums; line-height: 1; }
.company-about-growth-stats span { margin-top: 14px; color: rgba(245, 247, 249, .65); font-size: 12px; }

.company-about-layout { padding: 104px 0 112px; background: #ffffff; }

.company-about-section-heading { display: grid; grid-template-columns: minmax(0, .9fr) minmax(360px, 1.1fr); gap: 72px; align-items: end; padding-bottom: 40px; border-bottom: 1px solid var(--about-line); }
.company-about-section-heading h2 { font-size: clamp(32px, 3.2vw, 46px); }
.company-about-section-heading > p { margin: 0; color: var(--about-muted); font-size: 15px; line-height: 1.9; text-align: justify; text-justify: inter-ideograph; }

.company-about-layout-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(390px, .95fr); gap: 66px; padding-top: 54px; }
.company-about-layout-visual { min-height: 510px; }
.company-about-layout-visual-caption { position: absolute; right: 0; bottom: 0; left: 0; z-index: 1; display: flex; align-items: center; gap: 16px; padding: 16px 20px; color: #ffffff; background: rgba(12, 35, 64, .87); }
.company-about-layout-visual-caption span { color: #0052d9; font-family: Manrope, sans-serif; font-size: 12px; letter-spacing: .1em; }
.company-about-layout-visual-caption strong { font-size: 14px; font-weight: 500; }

.company-about-base-list { border-top: 1px solid var(--about-line); }
.company-about-base-list article { position: relative; display: grid; grid-template-columns: 40px minmax(0, 1fr) 22px; gap: 18px; align-items: start; padding: 26px 0; border-bottom: 1px solid var(--about-line); transition: transform .25s ease, border-color .25s ease; }
.company-about-base-list article:hover { border-color: #0052d9; transform: translateX(5px); }
.company-about-base-index { padding-top: 3px; color: #596170; font-family: Manrope, sans-serif; font-size: 12px; font-weight: 700; }
.company-about-base-list h3 { margin: 0; color: var(--about-ink); font-size: 17px; font-weight: 700; line-height: 1.45; }
.company-about-base-list p { margin: 9px 0 0; color: var(--about-muted); font-size: 14px; line-height: 1.75; }
.company-about-base-list a { padding-top: 3px; color: #0052d9; font-size: 18px; line-height: 1; text-align: right; text-decoration: none; transition: transform .25s ease; }
.company-about-base-list article:hover a { transform: translate(3px, -3px); }

.company-about-mission { padding: 108px 0 120px; background: var(--about-soft); }
.company-about-mission-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(380px, .82fr); gap: 78px; align-items: center; }
.company-about-mission-copy h2 { font-size: clamp(30px, 3vw, 44px); }
.company-about-mission-copy > p { max-width: 660px; margin: 24px 0 0; color: var(--about-muted); font-size: 16px; line-height: 1.95; }
.company-about-mission-copy blockquote { margin: 30px 0 0; padding: 18px 22px; border-left: 3px solid #0052d9; color: #001d3d; background: #edf3ff; font-size: 19px; font-weight: 600; line-height: 1.7; }
.company-about-mission-visual { aspect-ratio: 4 / 3; box-shadow: 0 22px 45px rgba(12, 35, 64, .12); }

.company-about-cta { padding: 86px 0 112px; background: #ffffff; }
.company-about-cta-inner { display: flex; align-items: end; justify-content: space-between; gap: 48px; padding: 58px 56px; border: 1px solid #e2e7ef; border-top: 3px solid #0052d9; background: linear-gradient(120deg, #f5f7fa, #f5f7fa); }
.company-about-cta h2 { font-size: clamp(28px, 3vw, 42px); }
.company-about-cta p { max-width: 600px; margin: 15px 0 0; color: var(--about-muted); font-size: 15px; line-height: 1.8; }
.company-about-cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.company-about-cta-actions a { display: inline-flex; min-width: 164px; min-height: 48px; align-items: center; justify-content: space-between; gap: 20px; padding: 0 18px; border: 1px solid var(--about-blue); color: #ffffff; background: var(--about-blue); font-size: 13px; font-weight: 700; text-decoration: none; transition: background .22s ease, color .22s ease, transform .22s ease; }
.company-about-cta-actions a + a { color: var(--about-blue); background: transparent; }
.company-about-cta-actions a:hover { background: #0052d9; transform: translateY(-2px); }
.company-about-cta-actions a + a:hover { color: #ffffff; background: var(--about-blue); }

/* 公司简介仍使用少量 Tailwind 灰阶工具类，在此映射到整站主题灰阶。 */
.company-page-enhanced .text-gray-200 { color: #e2e7ef; }
.company-page-enhanced .text-gray-500 { color: #667085; }
.company-page-enhanced .text-gray-600 { color: #596170; }
.company-about-cta-actions span { font-size: 17px; line-height: 1; }

@media (max-width: 980px) {
  .company-about-shell { width: min(100% - 48px, 760px); }
  .company-about-intro-grid, .company-about-section-heading, .company-about-layout-grid, .company-about-mission-grid { grid-template-columns: 1fr; gap: 42px; }
  .company-about-section-heading { align-items: start; }
  .company-about-layout-visual { min-height: 420px; }
  .company-about-mission-visual { aspect-ratio: 16 / 9; }
  .company-about-growth-inner { grid-template-columns: 1fr; }
  .company-about-growth-heading { padding: 24px 0; border-right: 0; border-bottom: 1px solid rgba(234, 240, 245, .2); }
  .company-about-growth-stats > div { min-height: 132px; padding: 22px 18px; }
  .company-about-cta-inner { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 640px) {
  .company-about-shell { width: calc(100% - 32px); }
  .company-about-intro { padding: 62px 0 58px; }
  .company-about-intro-copy h2, .company-about-section-heading h2, .company-about-mission-copy h2 { font-size: 32px; }
  .company-about-intro-copy > p, .company-about-section-heading > p, .company-about-mission-copy > p { font-size: 15px; line-height: 1.85; text-align: left; }
  .company-about-market-note { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 9px; }
  .company-about-market-note > span { grid-column: 1 / -1; }
  .company-about-market-note > div { padding-left: 10px; }
  .company-about-market-note strong { font-size: 20px; }
  .company-about-market-note em { font-size: 10px; }
  .company-about-growth-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .company-about-growth-stats > div:nth-child(2) { border-right: 0; }
  .company-about-growth-stats > div:nth-child(-n + 2) { border-bottom: 1px solid rgba(234, 240, 245, .18); }
  .company-about-layout { padding: 72px 0 78px; }
  .company-about-layout-grid { padding-top: 36px; }
  .company-about-layout-visual { min-height: 290px; }
  .company-about-base-list article { grid-template-columns: 30px minmax(0, 1fr) 18px; gap: 11px; padding: 22px 0; }
  .company-about-base-list h3 { font-size: 15px; }
  .company-about-base-list p { font-size: 13px; }
  .company-about-mission { padding: 76px 0 82px; }
  .company-about-mission-copy blockquote { font-size: 16px; }
  .company-about-cta { padding: 62px 0 80px; }
  .company-about-cta-inner { padding: 36px 24px; }
  .company-about-cta-actions { width: 100%; flex-direction: column; }
  .company-about-cta-actions a { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .company-about-page *, .company-about-page *::before, .company-about-page *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}

/* History page: reference layout */
.about-content .history-timeline.history-timeline--reference {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: 88px 0 104px;
  color: #001d3d;
  background:
    radial-gradient(circle at 18% 0%, rgba(30, 90, 150, 0.08) 0, transparent 30%),
    radial-gradient(circle at 82% 4%, rgba(12, 35, 64, 0.06) 0, transparent 26%),
    linear-gradient(180deg, #ffffff 0%, #f5f7fa 100%);
}

.about-content .history-timeline.history-timeline--reference::before {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image: url("../shared/assets/company-facility-3d.webp");
  background-position: center;
  background-size: cover;
  filter: grayscale(0.1) saturate(0.7) contrast(1.02) blur(0.4px);
  opacity: 0.035;
  content: "";
  pointer-events: none;
}

.about-content .history-timeline.history-timeline--reference::after {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(12, 35, 64, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(12, 35, 64, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  content: "";
  mask-image: linear-gradient(to bottom, transparent, #001d3d 18%, #001d3d 82%, transparent);
  pointer-events: none;
}

.about-content .history-timeline--reference .history-timeline__container {
  width: min(1420px, calc(100% - 48px));
  margin: 0 auto;
}

.about-content .history-timeline--reference .history-timeline__intro {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  gap: 88px;
  align-items: start;
  padding: 92px 0 38px;
}

.about-content .history-timeline--reference .history-timeline__intro h2 {
  margin: 0;
  color: #001d3d;
  font-family: Manrope, "Microsoft YaHei", sans-serif;
  font-size: clamp(34px, 3.8vw, 60px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.about-content .history-timeline--reference .history-timeline__intro p {
  max-width: 64ch;
  margin: 10px 0 0;
  color: #596170;
  font-size: 16px;
  line-height: 1.9;
}

.about-content .history-timeline--reference .history-timeline__rail {
  position: relative;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 12px 0 34px;
  background: transparent;
  box-shadow: none;
  border: 0;
}

.about-content .history-timeline--reference .history-timeline__years {
  position: relative;
  display: grid;
  flex: 1 1 auto;
  grid-auto-flow: column;
  grid-auto-columns: minmax(76px, 1fr);
  gap: 6px;
  align-items: end;
  overflow-x: auto;
  padding: 0 10px 20px;
  scrollbar-width: none;
}

.about-content .history-timeline--reference .history-timeline__years::-webkit-scrollbar {
  display: none;
}

.about-content .history-timeline--reference .history-timeline__years::before {
  position: absolute;
  right: 10px;
  bottom: 13px;
  left: 10px;
  height: 1px;
  background: #e2e7ef;
  content: "";
}

.about-content .history-timeline--reference .history-timeline__years button {
  position: relative;
  display: flex;
  min-height: 68px;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  padding: 0 0 24px;
  border: 0;
  background: transparent;
  color: #667085;
  cursor: pointer;
  font-family: Manrope, "Microsoft YaHei", sans-serif;
  font-size: 19px;
  font-weight: 700;
  line-height: 1;
  transition: color 0.22s ease, transform 0.22s ease;
}

.about-content .history-timeline--reference .history-timeline__years button span {
  display: block;
  color: currentColor;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  opacity: 0.95;
}

.about-content .history-timeline--reference .history-timeline__years button::after {
  position: absolute;
  bottom: 12px;
  left: 50%;
  width: 1px;
  height: 14px;
  background: #e2e7ef;
  content: "";
  transform: translateX(-50%);
}

.about-content .history-timeline--reference .history-timeline__years button[aria-selected="true"] {
  color: #0052d9;
  transform: translateY(-1px);
}

.about-content .history-timeline--reference .history-timeline__years button[aria-selected="true"]::after {
  width: 4px;
  height: 38px;
  background: #0052d9;
}

.about-content .history-timeline--reference .history-timeline__years button:hover,
.about-content .history-timeline--reference .history-timeline__years button:focus-visible {
  color: #0052d9;
}

.about-content .history-timeline--reference .history-timeline__arrow {
  display: inline-flex;
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  border: 1px solid #e2e7ef;
  border-radius: 999px;
  background: #ffffff;
  color: #596170;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.about-content .history-timeline--reference .history-timeline__arrow .material-symbols-outlined {
  font-size: 18px;
}

.about-content .history-timeline--reference .history-timeline__arrow:hover:not(:disabled) {
  border-color: #0052d9;
  background: #f5f7fa;
  color: #0052d9;
  transform: translateY(-1px);
}

.about-content .history-timeline--reference .history-timeline__panel {
  padding: 0 0 96px;
}

.about-content .history-timeline--reference .history-timeline__panel-inner {
  display: grid;
  grid-template-columns: minmax(300px, 0.33fr) minmax(0, 1fr);
  align-items: stretch;
  min-height: 278px;
  border: 1px solid #e2e7ef;
  background: linear-gradient(180deg, #f5f7fa 0%, #f5f7fa 100%);
  box-shadow: 0 14px 32px rgba(12, 35, 64, 0.05);
}

.about-content .history-timeline--reference .history-timeline__year-column {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 42px 34px;
  border-right: 1px solid #e2e7ef;
}

.about-content .history-timeline--reference .history-timeline__year-column::after {
  position: absolute;
  top: 50%;
  right: -2px;
  width: 4px;
  height: 66px;
  background: #0052d9;
  content: "";
  transform: translateY(-50%);
}

.about-content .history-timeline--reference .history-timeline__selected-year {
  display: flex;
  align-items: baseline;
  gap: 0.14em;
  margin: 0;
  color: #0052d9;
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
}

.about-content .history-timeline--reference .history-timeline__selected-year [data-history-label],
.about-content .history-timeline--reference .history-timeline__year-suffix {
  font-family: Manrope, "Microsoft YaHei", sans-serif;
  font-size: clamp(54px, 5.8vw, 82px);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.035em;
}

.about-content .history-timeline--reference .history-timeline__year-suffix {
  margin-left: 0.08em;
  color: #596170;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0;
}

.about-content .history-timeline--reference .history-timeline__detail {
  display: flex;
  align-items: center;
  padding: 42px 44px;
}

.about-content .history-timeline--reference .history-timeline__detail ul {
  display: grid;
  gap: 22px;
  max-width: 760px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.about-content .history-timeline--reference .history-timeline__detail li {
  position: relative;
  padding-left: 22px;
  color: #596170;
  font-size: 16px;
  line-height: 1.8;
  animation: history-event-enter 0.48s both;
  animation-delay: calc(var(--history-item-index, 0) * 90ms);
}

.about-content .history-timeline--reference .history-timeline__detail li::before {
  position: absolute;
  top: 0.8em;
  left: 0;
  width: 8px;
  height: 8px;
  background: #0052d9;
  content: "";
  transform: rotate(45deg);
}

@media (max-width: 1024px) {
  .about-content .history-timeline.history-timeline--reference {
    padding: 72px 0 90px;
  }

  .about-content .history-timeline--reference .history-timeline__intro {
    grid-template-columns: 1fr;
    gap: 18px;
    padding-top: 66px;
  }

  .about-content .history-timeline--reference .history-timeline__panel-inner {
    grid-template-columns: 1fr;
  }

  .about-content .history-timeline--reference .history-timeline__year-column {
    border-right: 0;
    border-bottom: 1px solid #e2e7ef;
  }

  .about-content .history-timeline--reference .history-timeline__year-column::after {
    top: auto;
    right: auto;
    bottom: -2px;
    left: 50%;
    width: 72px;
    height: 4px;
    transform: translateX(-50%);
  }
}

@media (max-width: 767px) {
  .about-content .history-timeline.history-timeline--reference {
    padding: 56px 0 72px;
  }

  .about-content .history-timeline--reference .history-timeline__container {
    width: min(100%, calc(100% - 32px));
  }

  .about-content .history-timeline--reference .history-timeline__intro {
    padding-top: 40px;
  }

  .about-content .history-timeline--reference .history-timeline__intro h2 {
    font-size: 32px;
  }

  .about-content .history-timeline--reference .history-timeline__intro p {
    font-size: 15px;
  }

  .about-content .history-timeline--reference .history-timeline__rail {
    gap: 12px;
    padding-bottom: 28px;
  }

  .about-content .history-timeline--reference .history-timeline__arrow {
    width: 40px;
    height: 40px;
  }

  .about-content .history-timeline--reference .history-timeline__years {
    grid-auto-columns: minmax(66px, 1fr);
    padding: 0 4px 20px;
  }

  .about-content .history-timeline--reference .history-timeline__years button {
    min-height: 60px;
    font-size: 16px;
  }

  .about-content .history-timeline--reference .history-timeline__panel {
    padding-bottom: 72px;
  }

  .about-content .history-timeline--reference .history-timeline__year-column,
  .about-content .history-timeline--reference .history-timeline__detail {
    padding: 24px 20px;
  }

  .about-content .history-timeline--reference .history-timeline__selected-year [data-history-label],
  .about-content .history-timeline--reference .history-timeline__year-suffix {
    font-size: 48px;
  }

  .about-content .history-timeline--reference .history-timeline__detail ul {
    gap: 16px;
  }

  .about-content .history-timeline--reference .history-timeline__detail li {
    font-size: 15px;
  }
}

/* History page v4: clean corporate archive */
.about-content .history-timeline.history-timeline--clean {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: 92px 0 104px;
  color: #001d3d;
  background:
    radial-gradient(circle at 15% 0%, rgba(30, 90, 150, 0.12) 0, transparent 34%),
    radial-gradient(circle at 88% 12%, rgba(12, 35, 64, 0.08) 0, transparent 30%),
    linear-gradient(180deg, #f5f7fa 0%, #f5f7fa 100%);
}

.about-content .history-timeline.history-timeline--clean::before {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image: url("../shared/assets/company-facility-3d.webp");
  background-position: center right;
  background-size: cover;
  filter: grayscale(0.1) saturate(0.7) contrast(1.04) blur(0.3px);
  opacity: 0.08;
  transform: scale(1.03);
  content: "";
  pointer-events: none;
}

.about-content .history-timeline.history-timeline--clean::after {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(12, 35, 64, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(12, 35, 64, 0.045) 1px, transparent 1px);
  background-size: 58px 58px;
  content: "";
  mask-image: linear-gradient(to bottom, transparent, #001d3d 14%, #001d3d 86%, transparent);
  pointer-events: none;
}

.about-content .history-timeline--clean .history-timeline__container {
  width: min(1360px, calc(100% - 48px));
}

.about-content .history-timeline--clean .history-timeline__nav {
  padding: 0 0 30px;
}

.about-content .history-timeline--clean .history-timeline__heading {
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 28px;
  margin-bottom: 24px;
}

.about-content .history-timeline--clean .history-timeline__eyebrow {
  color: #0052d9;
}

.about-content .history-timeline--clean .history-timeline__heading h2 {
  color: #001d3d;
  font-size: clamp(38px, 4vw, 62px);
}

.about-content .history-timeline--clean .history-timeline__heading p {
  color: #596170;
}

.about-content .history-timeline--clean .history-timeline__summary {
  border: 1px solid #edf3ff;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 18px 40px rgba(12, 35, 64, 0.08);
}

.about-content .history-timeline--clean .history-timeline__summary-label {
  color: #596170;
}

.about-content .history-timeline--clean .history-timeline__summary strong {
  color: #001d3d;
}

.about-content .history-timeline--clean .history-timeline__summary p {
  color: #596170;
}

.about-content .history-timeline--clean .history-timeline__rail {
  border: 1px solid #edf3ff;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 22px 50px rgba(12, 35, 64, 0.08);
}

.about-content .history-timeline--clean .history-timeline__years {
  grid-auto-columns: minmax(84px, 1fr);
  gap: 10px;
}

.about-content .history-timeline--clean .history-timeline__years button {
  min-height: 84px;
  border: 1px solid #e2e7ef;
  background: linear-gradient(180deg, #ffffff 0%, #f5f7fa 100%);
  color: #596170;
  font-size: 23px;
}

.about-content .history-timeline--clean .history-timeline__years button span {
  opacity: 0.66;
}

.about-content .history-timeline--clean .history-timeline__years button[aria-selected="true"] {
  border-color: #0052d9;
  background: linear-gradient(180deg, #0052d9 0%, #001d3d 100%);
  color: #ffffff;
  box-shadow: 0 16px 32px rgba(12, 35, 64, 0.18);
}

.about-content .history-timeline--clean .history-timeline__years button:hover,
.about-content .history-timeline--clean .history-timeline__years button:focus-visible {
  border-color: #0052d9;
  background: #ffffff;
  color: #001d3d;
}

.about-content .history-timeline--clean .history-timeline__arrow {
  border: 1px solid #e2e7ef;
  background: #ffffff;
  color: #001d3d;
}

.about-content .history-timeline--clean .history-timeline__arrow:hover:not(:disabled) {
  border-color: #0052d9;
  background: #f5f7fa;
  color: #0052d9;
}

.about-content .history-timeline--clean .history-timeline__panel {
  padding-bottom: 96px;
}

.about-content .history-timeline--clean .history-timeline__panel-inner {
  gap: 28px;
}

.about-content .history-timeline--clean .history-timeline__story {
  padding: 46px 46px 42px;
  border: 1px solid #e2e7ef;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(245, 247, 249, 0.98)),
    radial-gradient(circle at 100% 0%, rgba(30, 90, 150, 0.04), transparent 30%);
  box-shadow: 0 26px 56px rgba(12, 35, 64, 0.08);
}

.about-content .history-timeline--clean .history-timeline__story::before {
  width: 4px;
  background: linear-gradient(180deg, #0052d9 0%, #001d3d 100%);
}

.about-content .history-timeline--clean .history-timeline__watermark {
  color: rgba(12, 35, 64, 0.055);
}

.about-content .history-timeline--clean .history-timeline__selected-year {
  color: #001d3d;
}

.about-content .history-timeline--clean .history-timeline__selected-year [data-history-label],
.about-content .history-timeline--clean .history-timeline__year-suffix {
  color: #001d3d;
  font-size: clamp(64px, 8vw, 104px);
}

.about-content .history-timeline--clean .history-timeline__phase {
  border-color: rgba(30, 90, 150, 0.18);
  background: rgba(30, 90, 150, 0.08);
  color: #0052d9;
}

.about-content .history-timeline--clean .history-timeline__story-caption {
  color: #596170;
}

.about-content .history-timeline--clean .history-timeline__events li {
  border: 1px solid #edf3ff;
  background: #f5f7fa;
  color: #001d3d;
}

.about-content .history-timeline--clean .history-timeline__events li::before {
  background: linear-gradient(180deg, #0052d9 0%, #001d3d 100%);
  box-shadow: 0 0 0 4px rgba(30, 90, 150, 0.08);
}

.about-content .history-timeline--clean .history-timeline__image-card {
  border: 1px solid #e2e7ef;
  background: #ffffff;
  box-shadow: 0 26px 56px rgba(12, 35, 64, 0.08);
}

.about-content .history-timeline--clean .history-timeline__image-frame {
  min-height: 424px;
  background: #edf3ff;
}

.about-content .history-timeline--clean .history-timeline__image-card figcaption {
  border-top: 1px solid #edf3ff;
  background: #f5f7fa;
  color: #596170;
}

@media (max-width: 1024px) {
  .about-content .history-timeline.history-timeline--clean {
    padding: 80px 0 92px;
  }

  .about-content .history-timeline--clean .history-timeline__heading {
    grid-template-columns: 1fr;
  }

  .about-content .history-timeline--clean .history-timeline__panel-inner {
    grid-template-columns: 1fr;
  }

  .about-content .history-timeline--clean .history-timeline__image-frame {
    min-height: 340px;
  }
}

@media (max-width: 767px) {
  .about-content .history-timeline.history-timeline--clean {
    padding: 64px 0 72px;
  }

  .about-content .history-timeline--clean .history-timeline__container {
    width: min(100%, calc(100% - 32px));
  }

  .about-content .history-timeline--clean .history-timeline__heading {
    grid-template-columns: 1fr;
    margin-bottom: 18px;
  }

  .about-content .history-timeline--clean .history-timeline__rail {
    margin-top: 18px;
  }

  .about-content .history-timeline--clean .history-timeline__story {
    padding: 28px 20px 24px;
  }

  .about-content .history-timeline--clean .history-timeline__story-head {
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 22px;
  }

  .about-content .history-timeline--clean .history-timeline__selected-year [data-history-label],
  .about-content .history-timeline--clean .history-timeline__year-suffix {
    font-size: clamp(48px, 18vw, 72px);
  }

  .about-content .history-timeline--clean .history-timeline__image-frame {
    min-height: 260px;
  }
}

/* 公司简介当前版本增强：高对比母公司模块、基地上图下文、核心数字滚动视觉。 */
.company-page-enhanced {
  width: 100%;
  max-width: calc(var(--site-shell-width, 1280px) + var(--site-shell-gap, 64px)) !important;
  color: #001d3d;
  scroll-behavior: smooth;
}

.company-page-enhanced > section {
  animation: company-section-rise 720ms both cubic-bezier(.2, .7, .2, 1);
}

.company-page-enhanced > section:nth-child(2) { animation-delay: 80ms; }
.company-page-enhanced > section:nth-child(3) { animation-delay: 140ms; }
.company-page-enhanced > section:nth-child(4) { animation-delay: 200ms; }

@keyframes company-section-rise {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: translateY(0); }
}

.company-page-enhanced .company-market-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(30, 90, 150, .12);
  border-radius: 8px;
  background:
    radial-gradient(circle at 92% 0%, rgba(30, 90, 150, .18), transparent 34%),
    linear-gradient(145deg, #f5f7fa 0%, #ffffff 62%, #f5f7fa 100%) !important;
  box-shadow: 0 24px 60px rgba(12, 35, 64, .12);
}

.company-page-enhanced .company-market-panel::before {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, .7);
  border-radius: inherit;
  content: "";
  pointer-events: none;
}

.company-page-enhanced .company-market-card {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(30, 90, 150, .08);
  border-radius: 6px !important;
  background: rgba(255, 255, 255, .92) !important;
}

.company-page-enhanced .company-market-card::after {
  position: absolute;
  right: -28px;
  bottom: -34px;
  width: 96px;
  height: 96px;
  border-radius: 999px;
  background: rgba(30, 90, 150, .08);
  content: "";
  transition: transform 300ms ease, opacity 300ms ease;
}

.company-page-enhanced .company-market-card:hover::after {
  opacity: .9;
  transform: scale(1.26);
}

.company-page-enhanced .company-stat-number {
  display: inline-block;
  min-width: 4.2ch;
  color: #0052d9;
  font-family: Manrope, "Microsoft YaHei", sans-serif;
  font-variant-numeric: tabular-nums;
  text-shadow: 0 10px 28px rgba(30, 90, 150, .18);
}

.company-page-enhanced .company-data-source {
  position: relative;
  z-index: 1;
  margin: 18px 2px 0;
  color: #596170;
  font-size: 12px;
  line-height: 1.6;
}

.company-page-enhanced .company-parent-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(234, 240, 245, .18);
  background:
    radial-gradient(circle at 10% 0%, rgba(30, 90, 150, .28), transparent 36%),
    radial-gradient(circle at 88% 100%, rgba(30, 90, 150, .16), transparent 32%),
    linear-gradient(135deg, #001d3d 0%, #001d3d 100%) !important;
  box-shadow: 0 28px 70px rgba(12, 35, 64, .22);
}

.company-page-enhanced .company-parent-panel::after {
  position: absolute;
  inset: auto -18% -70% 24%;
  height: 220px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .12), transparent);
  content: "";
  transform: rotate(-8deg);
}

.company-page-enhanced .company-parent-panel h3 {
  position: relative;
  z-index: 1;
  color: var(--brand-blue-on-dark, #b8c6d1) !important;
}

.company-page-enhanced .company-parent-copy {
  position: relative;
  z-index: 1;
  max-width: 980px;
  color: #f5f7fa !important;
  font-size: 17px !important;
  line-height: 1.95 !important;
}

.company-page-enhanced .company-base-card {
  overflow: hidden;
  padding: 0 !important;
  border: 1px solid #edf3ff;
  border-radius: 8px !important;
  background: #ffffff;
}

.company-page-enhanced .company-base-card figure {
  position: relative;
  aspect-ratio: 16 / 10;
  margin: 0;
  overflow: hidden;
  background: #edf3ff;
}

.company-page-enhanced .company-base-card figure::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(12, 35, 64, .28) 100%);
  content: "";
  pointer-events: none;
}

.company-page-enhanced .company-base-card img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 650ms cubic-bezier(.2, .7, .2, 1), filter 360ms ease;
}

.company-page-enhanced .company-base-card:hover img {
  filter: saturate(1.06) contrast(1.03);
  transform: scale(1.045);
}

.company-page-enhanced .company-base-card__body {
  padding: 26px 26px 30px;
}

.company-page-enhanced .company-base-card h4 {
  color: #001d3d !important;
  line-height: 1.45;
}

.company-page-enhanced .company-base-card p {
  color: #596170 !important;
  font-size: 15px !important;
  line-height: 1.85 !important;
}

.company-page-enhanced .company-milestone-banner {
  border-color: #e2e7ef !important;
  border-radius: 8px !important;
  background:
    linear-gradient(135deg, rgba(245, 247, 249, .96), rgba(245, 247, 249, .96)) !important;
  box-shadow: 0 18px 44px rgba(12, 35, 64, .08);
}

.company-page-enhanced .company-milestone-icon {
  width: 48px !important;
  height: 48px !important;
  background: linear-gradient(135deg, #0052d9 0%, #0052d9 100%) !important;
  box-shadow: 0 12px 26px rgba(30, 90, 150, .24);
}

.company-page-enhanced .company-milestone-banner p {
  color: #001d3d !important;
  line-height: 1.75;
}

@media (max-width: 768px) {
  .company-page-enhanced .company-parent-copy {
    font-size: 15px !important;
  }

  .company-page-enhanced .company-base-card__body {
    padding: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .company-page-enhanced > section {
    animation: none;
  }

  .company-page-enhanced .company-base-card img,
  .company-page-enhanced .company-market-card,
  .company-page-enhanced .company-parent-panel {
    transition: none;
  }
}