.page-about {
  --ab-grid: rgba(30, 58, 138, 0.07);
  --ab-deep-border: rgba(255, 255, 255, 0.14);
}

.page-about .ub-media img {
  max-width: 100%;
  height: auto;
}

.page-about .about-hero {
  position: relative;
  padding: 128px 0 72px;
  background:
    radial-gradient(circle at 85% 18%, rgba(30, 58, 138, 0.1) 0, transparent 40%),
    linear-gradient(140deg, var(--ub-paper-bright) 0%, var(--ub-paper) 72%);
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--ab-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--ab-grid) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(90deg, transparent 0%, #000 60%, #000 100%);
  pointer-events: none;
}

.page-about .about-hero__layout {
  position: relative;
  display: grid;
  gap: 40px;
  align-items: center;
}

.page-about .about-hero__content {
  min-width: 0;
}

.page-about .about-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
  font-family: var(--ub-tfont);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--ub-blue);
}

.page-about .about-hero__eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--ub-orange);
  flex: none;
}

.page-about .about-hero__title {
  margin: 0 0 24px;
  color: var(--ub-ink);
  line-height: 1.22;
}

.page-about .about-hero__lead {
  margin: 0 0 28px;
  font-family: var(--ub-bfont);
  font-size: 18px;
  line-height: 1.8;
  color: #3a3a3a;
}

.page-about .about-hero__tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .about-hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
  min-width: 0;
}

.page-about .about-hero__panel {
  position: relative;
  width: 100%;
  max-width: 420px;
  padding: 36px 32px 32px;
  background: linear-gradient(160deg, var(--ub-blue), #16296b);
  border-radius: var(--ub-radius-lg);
  color: #fff;
  overflow: hidden;
  box-shadow: 0 24px 48px rgba(15, 23, 42, 0.22);
}

.page-about .about-hero__panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 22px 22px;
  pointer-events: none;
}

.page-about .about-hero__panel::after {
  content: "";
  position: absolute;
  right: -30px;
  bottom: -30px;
  width: 120px;
  height: 120px;
  border-radius: 36px;
  background: var(--ub-orange);
  opacity: 0.16;
  transform: rotate(30deg);
  pointer-events: none;
}

.page-about .about-hero__coord {
  position: relative;
  display: block;
  margin-bottom: 28px;
  font-family: var(--ub-tfont);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.72);
}

.page-about .about-hero__stat {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-bottom: 24px;
}

.page-about .about-hero__stat-num {
  font-family: var(--ub-tfont);
  font-size: 88px;
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: #fff;
}

.page-about .about-hero__stat-label {
  margin-top: 12px;
  font-family: var(--ub-tfont);
  font-size: 16px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.92);
}

.page-about .about-hero__panel-list {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.page-about .about-hero__panel-list span {
  padding: 6px 12px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--ub-radius-pill);
  font-family: var(--ub-tfont);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.88);
}

.page-about .about-index {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--ub-gray);
}

.page-about .about-index a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--ub-radius-pill);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--ub-gray);
  font-family: var(--ub-tfont);
  font-size: 14px;
  font-weight: 600;
  color: var(--ub-ink);
  text-decoration: none;
  transition: background 0.3s var(--ub-ease), border-color 0.3s var(--ub-ease), color 0.3s var(--ub-ease);
}

.page-about .about-index a span {
  font-weight: 800;
  color: var(--ub-blue);
}

.page-about .about-index a:hover {
  background: var(--ub-white);
  border-color: var(--ub-blue);
  color: var(--ub-blue);
}

.page-about .about-story {
  padding-top: 96px;
  padding-bottom: 96px;
}

.page-about .about-story__grid {
  display: grid;
  gap: 40px;
  margin-top: 48px;
  align-items: center;
}

.page-about .about-story__media .ub-media {
  border-radius: var(--ub-radius-lg);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
  overflow: hidden;
}

.page-about .about-story__media img {
  display: block;
  border-radius: inherit;
}

.page-about .about-story__content {
  font-family: var(--ub-bfont);
  font-size: 16px;
  line-height: 1.8;
  color: #333;
}

.page-about .about-story__lead {
  margin: 0 0 16px;
  font-family: var(--ub-tfont);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ub-blue);
}

.page-about .about-story__content p {
  margin: 0 0 16px;
}

.page-about .about-story__points {
  list-style: none;
  margin: 24px 0 0;
  padding: 24px;
  background: var(--ub-paper-bright);
  border-radius: var(--ub-radius-md);
  border-left: 4px solid var(--ub-orange);
}

.page-about .about-story__points li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 10px;
  font-family: var(--ub-bfont);
  color: var(--ub-ink);
}

.page-about .about-story__points li:last-child {
  margin-bottom: 0;
}

.page-about .about-story__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ub-blue);
}

.page-about .about-milestones {
  background:
    linear-gradient(var(--ab-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--ab-grid) 1px, transparent 1px),
    var(--ub-white);
  background-size: 36px 36px, 36px 36px, auto;
}

.page-about .about-milestones__head {
  position: relative;
}

.page-about .about-timeline {
  position: relative;
  max-width: 940px;
  margin: 56px auto 0;
  padding-bottom: 8px;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--ub-blue), var(--ub-orange));
  opacity: 0.22;
}

.page-about .about-timeline__item {
  position: relative;
  padding-left: 44px;
  margin-bottom: 40px;
}

.page-about .about-timeline__item:last-child {
  margin-bottom: 0;
}

.page-about .about-timeline__dot {
  position: absolute;
  left: 5px;
  top: 8px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--ub-paper);
  border: 4px solid var(--ub-blue);
  box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.18);
}

.page-about .about-timeline__year {
  display: inline-block;
  padding: 5px 14px;
  border-radius: var(--ub-radius-pill);
  background: var(--ub-blue);
  color: #fff;
  font-family: var(--ub-tfont);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}

.page-about .about-timeline__card {
  background: var(--ub-white);
  border: 1px solid var(--ub-gray);
  border-radius: var(--ub-radius-md);
  padding: 28px;
  transition: border-color 0.35s var(--ub-ease), box-shadow 0.35s var(--ub-ease), transform 0.35s var(--ub-ease);
}

.page-about .about-timeline__card:hover {
  border-color: rgba(30, 58, 138, 0.3);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.1);
  transform: translateY(-3px);
}

.page-about .about-timeline__title {
  margin: 0 0 10px;
  font-family: var(--ub-tfont);
  font-size: 20px;
  font-weight: 800;
  color: var(--ub-ink);
}

.page-about .about-timeline__desc {
  margin: 0;
  font-family: var(--ub-bfont);
  color: #444;
  line-height: 1.7;
}

.page-about .about-timeline__extra {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--ub-gray);
  max-height: none;
  opacity: 1;
}

.page-about .about-timeline__extra p {
  margin: 0;
  font-family: var(--ub-bfont);
  font-size: 15px;
  line-height: 1.7;
  color: #555;
}

.page-about .about-milestones__foot {
  margin: 56px auto 0;
  max-width: 640px;
  display: grid;
  gap: 20px;
}

.page-about .about-milestones__foot .ub-media {
  border-radius: var(--ub-radius-lg);
  overflow: hidden;
  box-shadow: 0 16px 32px rgba(15, 23, 42, 0.1);
}

.page-about .about-milestones__foot img {
  display: block;
}

.page-about .about-milestones__note {
  margin: 0;
  text-align: center;
  font-family: var(--ub-bfont);
  font-size: 15px;
  color: #777;
}

.page-about .about-cn {
  background: var(--ub-space);
  color: rgba(255, 255, 255, 0.82);
  position: relative;
  overflow: hidden;
}

.page-about .about-cn::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at 20% 30%, #000 0%, transparent 70%);
  pointer-events: none;
}

.page-about .about-cn .ub-section__index {
  color: var(--ub-orange);
}

.page-about .about-cn .ub-section__title {
  color: #fff;
}

.page-about .about-cn .ub-section__subtitle {
  color: rgba(255, 255, 255, 0.64);
}

.page-about .about-cn__grid {
  position: relative;
  display: grid;
  gap: 36px;
  margin-top: 48px;
}

.page-about .about-cn__intro {
  min-width: 0;
}

.page-about .about-cn__lead {
  margin: 0 0 16px;
  font-family: var(--ub-tfont);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.5;
  color: #fff;
}

.page-about .about-cn__intro p {
  margin: 0 0 16px;
  font-family: var(--ub-bfont);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.76);
}

.page-about .about-cn__tag-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-about .about-cn .ub-tag {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.page-about .about-cn__details {
  display: grid;
  gap: 16px;
}

.page-about .about-cn__row {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  align-items: start;
  padding: 22px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--ab-deep-border);
  border-radius: var(--ub-radius-md);
  transition: background 0.3s var(--ub-ease), border-color 0.3s var(--ub-ease);
}

.page-about .about-cn__row:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.26);
}

.page-about .about-cn__row-index {
  width: 40px;
  height: 36px;
  line-height: 36px;
  text-align: center;
  background: rgba(255, 107, 53, 0.14);
  border-radius: var(--ub-radius-sm);
  font-family: var(--ub-tfont);
  font-size: 14px;
  font-weight: 800;
  color: var(--ub-orange);
}

.page-about .about-cn__row-title {
  margin: 0 0 8px;
  font-family: var(--ub-tfont);
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}

.page-about .about-cn__row p {
  margin: 0;
  font-family: var(--ub-bfont);
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.7);
}

.page-about .about-cn__media {
  margin-top: 40px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--ab-deep-border);
  border-radius: calc(var(--ub-radius-lg) + 8px);
}

.page-about .about-cn__media .ub-media {
  border-radius: calc(var(--ub-radius-lg) - 8px);
  overflow: hidden;
}

.page-about .about-cn__media img {
  display: block;
}

.page-about .about-region {
  padding-top: 96px;
  padding-bottom: 96px;
  background: linear-gradient(180deg, var(--ub-paper), var(--ub-paper-bright));
}

.page-about .about-region__grid {
  display: grid;
  gap: 24px;
  margin-top: 48px;
}

.page-about .about-region__card {
  background: var(--ub-white);
  border: 1px solid var(--ub-gray);
  border-radius: var(--ub-radius-md);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
  transition: transform 0.35s var(--ub-ease), box-shadow 0.35s var(--ub-ease);
}

.page-about .about-region__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.1);
}

.page-about .about-region__card-title {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--ub-tfont);
  font-size: 20px;
  font-weight: 800;
  color: var(--ub-ink);
}

.page-about .about-region__card-title::before {
  content: "";
  width: 6px;
  height: 22px;
  border-radius: var(--ub-radius-pill);
  background: var(--ub-orange);
  flex: none;
}

.page-about .about-region__card-text {
  margin: 0;
  font-family: var(--ub-bfont);
  font-size: 16px;
  line-height: 1.75;
  color: #444;
}

.page-about .about-region__map {
  width: 100%;
  height: auto;
  color: var(--ub-blue);
  margin-top: 8px;
}

.page-about .about-region__coord {
  font-family: var(--ub-tfont);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--ub-blue);
  opacity: 0.72;
}

.page-about .about-region__stats {
  display: grid;
  gap: 16px;
  margin-top: 12px;
}

.page-about .about-region__stat {
  padding: 18px;
  background: var(--ub-paper-bright);
  border-radius: var(--ub-radius-sm);
  text-align: center;
}

.page-about .about-region__stat-num {
  display: block;
  font-family: var(--ub-tfont);
  font-size: 32px;
  font-weight: 800;
  color: var(--ub-blue);
  line-height: 1.2;
}

.page-about .about-region__stat-label {
  display: block;
  margin-top: 6px;
  font-family: var(--ub-tfont);
  font-size: 14px;
  color: #777;
}

.page-about .about-region__contact-note {
  margin: 0;
  padding: 12px 16px;
  background: rgba(30, 58, 138, 0.06);
  border-radius: var(--ub-radius-sm);
  font-family: var(--ub-bfont);
  font-size: 15px;
  color: #666;
}

.page-about .about-region__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: auto;
  padding-top: 16px;
}

.page-about .about-region__trust {
  margin: 48px 0 0;
  padding: 22px 28px;
  border-radius: var(--ub-radius-lg);
  background: rgba(30, 58, 138, 0.06);
  border: 1px dashed rgba(30, 58, 138, 0.2);
  text-align: center;
  font-family: var(--ub-tfont);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ub-blue);
}

@media (max-width: 767px) {
  .page-about .about-timeline__extra {
    display: block;
  }
}

@media (min-width: 680px) {
  .page-about .about-region__stats {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 769px) {
  .page-about .about-timeline::before {
    left: 50%;
    transform: translateX(-1px);
  }

  .page-about .about-timeline__item {
    width: 50%;
    padding-left: 0;
    padding-right: 56px;
    text-align: right;
  }

  .page-about .about-timeline__dot {
    left: auto;
    right: -8px;
  }

  .page-about .about-timeline__item:nth-child(even) {
    margin-left: 50%;
    padding-left: 56px;
    padding-right: 0;
    text-align: left;
  }

  .page-about .about-timeline__item:nth-child(even) .about-timeline__dot {
    right: auto;
    left: -8px;
  }

  .page-about .about-timeline__extra {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    margin-top: 0;
    padding-top: 0;
    border-top: none;
    transition: max-height 0.5s var(--ub-ease), opacity 0.4s var(--ub-ease), margin 0.4s var(--ub-ease), padding 0.4s var(--ub-ease);
  }

  .page-about .about-timeline__card:hover .about-timeline__extra,
  .page-about .about-timeline__card:focus-within .about-timeline__extra {
    max-height: 220px;
    opacity: 1;
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px dashed var(--ub-gray);
  }
}

@media (min-width: 820px) {
  .page-about .about-story__grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 64px;
  }
}

@media (min-width: 860px) {
  .page-about .about-hero__layout {
    grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
    gap: 64px;
  }
}

@media (min-width: 900px) {
  .page-about .about-cn__grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 56px;
  }
}

@media (min-width: 768px) {
  .page-about .about-region__grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-about .about-region__card--eco {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}