.page-about {
  --about-gold-deep: #B8860B;
  --about-body: #42536A;
  --about-card-border: rgba(10, 26, 47, 0.1);
  background: #F5F7FA;
  color: var(--color-bg);
  overflow-x: hidden;
}

.page-about .section {
  padding: 3.5rem 0;
}

.page-about .about-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--about-gold-deep);
}

.page-about .about-eyebrow::before {
  content: "";
  display: inline-block;
  width: 2rem;
  height: 1px;
  background: var(--color-gold);
}

.page-about .about-section-title {
  font-family: var(--font-head);
  font-size: 1.7rem;
  line-height: 1.3;
  color: var(--color-bg);
  margin: 0.5rem 0 0.4rem;
}

.page-about .about-section-desc {
  font-size: 0.98rem;
  line-height: 1.6;
  color: #5A6A82;
  margin: 0;
}

.page-about .about-intro {
  position: relative;
  padding-top: 2rem;
  padding-bottom: 1.4rem;
}

.page-about .about-intro::before {
  content: "";
  position: absolute;
  right: 2%;
  top: 1rem;
  width: 9rem;
  height: 9rem;
  border: 1px solid rgba(212, 175, 55, 0.4);
  transform: rotate(45deg);
  pointer-events: none;
}

.page-about .about-hero {
  position: relative;
  z-index: 1;
}

.page-about .about-hero .badge {
  display: inline-block;
  background: var(--color-bg);
  color: var(--color-gold);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 0.28rem 0.8rem;
}

.page-about .about-hero .page-title {
  font-family: var(--font-head);
  font-size: 1.85rem;
  line-height: 1.25;
  margin: 1rem 0 0.8rem;
  color: var(--color-bg);
  max-width: 44rem;
}

.page-about .about-hero-lead {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--about-body);
  max-width: 58rem;
  margin: 0 0 1.5rem;
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.page-about .about-story {
  background: #FFFFFF;
  border-top: 1px solid var(--about-card-border);
  border-bottom: 1px solid var(--about-card-border);
}

.page-about .about-story-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.2rem;
  align-items: center;
}

.page-about .about-story-copy {
  border-left: 3px solid var(--color-gold);
  padding-left: 1.4rem;
}

.page-about .about-story-copy h2 {
  font-family: var(--font-head);
  font-size: 1.55rem;
  line-height: 1.35;
  color: var(--color-bg);
  margin: 0.4rem 0 1.2rem;
}

.page-about .about-story-copy p {
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--about-body);
  margin: 0 0 1.1rem;
}

.page-about .about-story-img {
  background: #F5F7FA;
  padding: 0.6rem 0.6rem 2.8rem;
  border: 1px solid var(--about-card-border);
}

.page-about .about-story-img img,
.page-about .about-data-chart img,
.page-about .about-team-img img {
  width: 100%;
  height: auto;
  display: block;
}

.page-about .image-frame-caption {
  font-size: 0.8rem;
  color: var(--color-muted);
  padding: 0.6rem 0.2rem 0;
  margin: 0;
  text-align: center;
  letter-spacing: 0.04em;
}

.page-about .about-milestones {
  background: var(--color-bg);
  color: var(--color-light);
  position: relative;
  overflow: hidden;
}

.page-about .about-milestones::before {
  content: "";
  position: absolute;
  left: -4rem;
  top: -4rem;
  width: 14rem;
  height: 14rem;
  border: 1px solid rgba(212, 175, 55, 0.22);
  border-radius: 50%;
  pointer-events: none;
}

.page-about .about-milestones .about-section-title,
.page-about .about-honors .about-section-title {
  color: var(--color-light);
}

.page-about .about-milestones .about-section-desc,
.page-about .about-honors .about-section-desc {
  color: var(--color-muted);
}

.page-about .about-milestones .about-eyebrow,
.page-about .about-honors .about-eyebrow {
  color: var(--color-gold);
}

.page-about .about-timeline {
  list-style: none;
  margin: 2.4rem 0 0;
  padding: 0;
}

.page-about .about-milestone-item {
  position: relative;
  padding: 0 0 2.2rem 2.2rem;
}

.page-about .about-milestone-item:last-child {
  padding-bottom: 0;
}

.page-about .about-milestone-item::before {
  content: "";
  position: absolute;
  left: 0.625rem;
  top: 0.6rem;
  bottom: -0.2rem;
  width: 1px;
  background: rgba(212, 175, 55, 0.4);
}

.page-about .about-milestone-item:last-child::before {
  bottom: auto;
  height: 0.6rem;
}

.page-about .about-milestone-dot {
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 1.25rem;
  height: 1.25rem;
  background: var(--color-bg);
  border: 2px solid var(--color-gold);
  transform: rotate(45deg);
  z-index: 1;
  transition: box-shadow 0.35s var(--ease-out);
}

.page-about .about-milestone-dot::after {
  content: "";
  position: absolute;
  inset: 0.3rem;
  background: var(--color-gold);
}

.page-about .about-milestone-item[data-visible] .about-milestone-dot {
  box-shadow: 0 0 0 6px rgba(212, 175, 55, 0.18), 0 0 18px rgba(212, 175, 55, 0.6);
}

.page-about .about-milestone-card {
  border: 1px solid rgba(212, 175, 55, 0.16);
  background: rgba(255, 255, 255, 0.04);
  padding: 1.1rem 1.2rem;
  border-radius: 3px;
  transition: background 0.35s var(--ease-out), border-color 0.35s var(--ease-out);
}

.page-about .about-milestone-item[data-visible] .about-milestone-card {
  background: rgba(212, 175, 55, 0.08);
  border-color: rgba(212, 175, 55, 0.32);
}

.page-about .about-milestone-version {
  display: inline-block;
  font-family: var(--font-head);
  color: var(--color-gold);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  background: rgba(212, 175, 55, 0.12);
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
}

.page-about .about-milestone-card h3 {
  font-family: var(--font-head);
  font-size: 1.25rem;
  color: var(--color-light);
  margin: 0.7rem 0 0.4rem;
}

.page-about .about-milestone-card p {
  color: var(--color-muted);
  line-height: 1.7;
  font-size: 0.95rem;
  margin: 0;
}

.page-about .about-data {
  background: #EDF1F6;
  position: relative;
}

.page-about .about-data-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.page-about .about-data-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--about-card-border);
  padding: 1.6rem 1rem;
  text-align: center;
  box-shadow: 0 10px 26px rgba(10, 26, 47, 0.08);
}

.page-about .about-data-card::before {
  content: "";
  position: absolute;
  left: 1rem;
  right: 1rem;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-orange));
}

.page-about .about-data-num {
  display: block;
  font-family: var(--font-head);
  font-size: 2rem;
  color: var(--color-bg);
  line-height: 1.15;
}

.page-about .about-data-unit {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--about-gold-deep);
  margin-top: 0.25rem;
}

.page-about .about-data-card p {
  font-size: 0.82rem;
  color: #5A6A82;
  line-height: 1.5;
  margin: 0.6rem 0 0;
}

.page-about .about-data-chart {
  margin-top: 2rem;
  border: 1px solid var(--about-card-border);
  background: #fff;
  padding: 0.5rem;
}

.page-about .about-honors {
  background: var(--color-bg-deep);
  color: var(--color-light);
}

.page-about .about-honor-grid {
  display: grid;
  gap: 1.2rem;
  margin-top: 2rem;
}

.page-about .about-honor-card {
  border: 1px solid rgba(212, 175, 55, 0.18);
  background: rgba(255, 255, 255, 0.03);
  padding: 1.5rem;
  position: relative;
  transition: border-color 0.35s var(--ease-out), transform 0.35s var(--ease-out);
}

.page-about .about-honor-card:hover {
  border-color: rgba(212, 175, 55, 0.55);
  transform: translateY(-3px);
}

.page-about .about-honor-icon {
  display: inline-block;
  padding: 0.45rem 0.8rem;
  background: rgba(212, 175, 55, 0.12);
  color: var(--color-gold);
  font-family: var(--font-head);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  clip-path: polygon(10% 0, 100% 0, 90% 100%, 0 100%);
  margin-bottom: 1.1rem;
}

.page-about .about-honor-card h3 {
  font-family: var(--font-head);
  font-size: 1.12rem;
  color: var(--color-light);
  margin: 0 0 0.6rem;
}

.page-about .about-honor-card p {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--color-muted);
  margin: 0;
}

.page-about .about-partners {
  background: #F5F7FA;
}

.page-about .about-partner-grid {
  display: grid;
  gap: 1.2rem;
  margin-top: 2rem;
}

.page-about .about-partner-card {
  position: relative;
  background: #fff;
  border-left: 3px solid var(--color-gold);
  padding: 1.4rem 1.4rem 1.4rem 1.5rem;
  box-shadow: 0 8px 22px rgba(10, 26, 47, 0.07);
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
  overflow: hidden;
}

.page-about .about-partner-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 34px rgba(10, 26, 47, 0.14);
}

.page-about .about-partner-card::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  border-style: solid;
  border-width: 0 0 2.2rem 2.2rem;
  border-color: transparent transparent transparent rgba(255, 107, 53, 0);
  transition: border-color 0.35s var(--ease-out);
}

.page-about .about-partner-card:hover::after {
  border-color: transparent transparent transparent rgba(255, 107, 53, 0.2);
}

.page-about .about-partner-card h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  color: var(--color-bg);
  margin: 0 0 0.55rem;
}

.page-about .about-partner-card p.about-partner-detail {
  margin-top: 0.7rem;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--about-body);
}

.page-about .about-partner-note {
  margin-top: 1.8rem;
  font-size: 0.9rem;
  line-height: 1.7;
  color: #60708A;
}

.page-about .about-partner-note a,
.page-about .about-team-copy a {
  color: var(--color-bg);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: var(--color-gold);
  text-underline-offset: 3px;
}

.page-about .about-team {
  background: #EDF1F6;
}

.page-about .about-team-grid {
  display: grid;
  gap: 2.2rem;
  align-items: center;
}

.page-about .about-team-img {
  border: 1px solid var(--about-card-border);
  background: #fff;
  padding: 0.6rem;
}

.page-about .about-team-copy h2 {
  font-family: var(--font-head);
  font-size: 1.5rem;
  line-height: 1.35;
  color: var(--color-bg);
  margin: 0.4rem 0 1.1rem;
}

.page-about .about-team-copy p {
  font-size: 0.97rem;
  line-height: 1.8;
  color: var(--about-body);
  margin: 0 0 1rem;
}

@media (hover: hover) and (min-width: 900px) {
  .page-about .about-partner-card p.about-partner-detail {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    margin-top: 0;
    transition: max-height 0.35s var(--ease-out), opacity 0.35s var(--ease-out), margin-top 0.35s var(--ease-out);
  }

  .page-about .about-partner-card:hover p.about-partner-detail {
    max-height: 8em;
    opacity: 1;
    margin-top: 0.7rem;
  }
}

@media (min-width: 900px) {
  .page-about .section {
    padding: 5rem 0;
  }

  .page-about .about-hero .page-title {
    font-size: 2.6rem;
  }

  .page-about .about-story-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 4rem;
  }

  .page-about .about-story-copy h2 {
    font-size: 1.9rem;
  }

  .page-about .about-section-title {
    font-size: 2rem;
  }

  .page-about .about-timeline {
    max-width: 780px;
    margin-left: auto;
    margin-right: auto;
  }

  .page-about .about-milestone-item {
    padding-left: 2.8rem;
    padding-bottom: 2.6rem;
  }

  .page-about .about-milestone-item::before {
    left: 0.8rem;
  }

  .page-about .about-milestone-dot {
    width: 1.6rem;
    height: 1.6rem;
  }

  .page-about .about-milestone-dot::after {
    inset: 0.4rem;
  }

  .page-about .about-milestone-card {
    padding: 1.3rem 1.6rem;
  }

  .page-about .about-data-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.4rem;
  }

  .page-about .about-data-card {
    padding: 2rem 1.2rem;
  }

  .page-about .about-data-num {
    font-size: 2.6rem;
  }

  .page-about .about-honor-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.6rem;
  }

  .page-about .about-partner-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.6rem;
  }

  .page-about .about-team-grid {
    grid-template-columns: 0.92fr 1.08fr;
    gap: 4rem;
  }
}