.page-about {
  background: var(--green-deep);
  color: var(--white);
  overflow-x: hidden;
}

.page-about ::selection {
  background: var(--gold);
  color: var(--black-night);
}

/* ===== 面包屑 ===== */
.page-about__crumb {
  padding-top: 1.25rem;
  background: var(--green-deep);
}

.page-about__crumb-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.page-about__crumb .breadcrumb-link {
  color: var(--gold-sand);
  text-decoration: none;
}

.page-about__crumb .breadcrumb-link:hover {
  color: var(--gold);
}

.page-about__crumb .breadcrumb-current {
  color: rgba(255, 255, 255, 0.75);
}

/* ===== 01 品牌简介 ===== */
.page-about__intro {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: flex-end;
  border-bottom: 6px solid var(--gold);
  isolation: isolate;
}

.page-about__intro-media {
  position: absolute;
  inset: 0;
  z-index: -2;
  background: var(--green-deep);
}

.page-about__intro-media::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    180deg,
    rgba(11, 61, 46, 0.72) 0%,
    rgba(11, 61, 46, 0.45) 50%,
    rgba(11, 61, 46, 0.96) 100%
  );
}

.page-about__intro-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-about__intro-inner {
  position: relative;
  z-index: 2;
  padding-top: 5rem;
  padding-bottom: 3.5rem;
}

.page-about__intro-inner .section-label {
  color: var(--gold-sand);
}

.page-about__intro-title {
  font-family: var(--font-heading);
  font-size: clamp(2.6rem, 8vw, 5.5rem);
  line-height: 0.95;
  letter-spacing: -0.01em;
  margin: 0.75rem 0 1.1rem;
  text-transform: uppercase;
}

.page-about__intro-title::after {
  content: "";
  display: block;
  width: 76px;
  height: 6px;
  background: var(--gold);
  margin-top: 1rem;
}

.page-about__intro-lead {
  font-family: var(--font-body);
  font-size: 1.15rem;
  line-height: 1.75;
  color: var(--gold-sand);
  max-width: 44em;
}

.page-about__intro-text {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
  max-width: 44em;
  margin-top: 1rem;
}

.page-about__intro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

/* ===== 02 数据里程碑 ===== */
.page-about__metrics {
  background:
    linear-gradient(135deg, rgba(11, 61, 46, 0.06) 0%, transparent 42%),
    var(--white);
  color: var(--black-night);
}

.page-about__metrics .section-label {
  color: var(--green-deep);
}

.page-about__metrics .section-title {
  color: var(--black-night);
}

.page-about__metrics .section-lead {
  color: var(--gray-mist);
}

.page-about__metric-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
  margin-top: 2.5rem;
}

.page-about__metric-card {
  border: 3px solid var(--green-deep);
  border-left: 8px solid var(--gold);
  padding: 1.4rem 1.2rem 1.6rem;
  background: var(--white);
  box-shadow: 6px 6px 0 rgba(11, 61, 46, 0.18);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.page-about__metric-card .data-stat-value {
  font-family: var(--font-mono);
  font-size: clamp(2.2rem, 7vw, 3.4rem);
  font-weight: 700;
  line-height: 1;
  color: var(--green-deep);
  display: block;
}

.page-about__metric-card .data-stat-label {
  font-family: var(--font-heading);
  font-size: 0.92rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  display: block;
  margin-top: 0.7rem;
}

.page-about__metric-note {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--gray-mist);
  margin: 0.55rem 0 0;
}

.page-about__metric-card--primary {
  background: var(--green-deep);
  border-color: var(--green-deep);
  box-shadow: 6px 6px 0 var(--gold);
}

.page-about__metric-card--primary .data-stat-value {
  color: var(--gold);
}

.page-about__metric-card--primary .data-stat-label {
  color: var(--gold-sand);
}

.page-about__metric-card--primary .page-about__metric-note {
  color: rgba(255, 255, 255, 0.75);
}

.page-about__metric-footnote {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--gray-mist);
  margin-top: 2rem;
  border-left: 4px solid var(--gold);
  padding-left: 1rem;
  line-height: 1.7;
}

.page-about__metric-link {
  color: var(--green-deep);
  font-weight: 700;
  text-decoration-color: var(--gold);
  text-underline-offset: 3px;
}

.page-about__metric-link:hover {
  color: var(--gold);
}

/* ===== 03 发展历程时间线 ===== */
.page-about__timeline {
  background:
    repeating-linear-gradient(-45deg, rgba(255, 255, 255, 0.025) 0 10px, transparent 10px 20px),
    var(--green-deep);
  color: var(--white);
}

.page-about__timeline .section-label {
  color: var(--gold-sand);
}

.page-about__timeline .section-lead {
  color: rgba(255, 255, 255, 0.78);
}

.page-about__timeline-list {
  list-style: none;
  margin: 3rem 0 0;
  padding: 0;
  position: relative;
}

.page-about__timeline-list::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 13px;
  width: 3px;
  background: linear-gradient(180deg, var(--gold), var(--green-thunder));
}

.page-about__timeline-item {
  position: relative;
  padding-left: 52px;
  padding-bottom: 2.75rem;
}

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

.page-about__timeline-item::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 6px;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: var(--green-deep);
  border: 4px solid var(--gold);
  box-shadow: 0 0 0 3px rgba(212, 160, 23, 0.3);
}

.page-about__timeline-year {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.04em;
}

.page-about__timeline-body {
  margin-top: 0.4rem;
  max-width: 640px;
}

.page-about__timeline-body h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  margin: 0 0 0.4rem;
  color: var(--white);
}

.page-about__timeline-body p {
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.78);
}

/* ===== 04 资质荣誉 ===== */
.page-about__honors {
  background:
    radial-gradient(circle at 18% 22%, rgba(212, 160, 23, 0.1) 0%, transparent 260px),
    var(--black-night);
  color: var(--white);
}

.page-about__honors .section-label {
  color: var(--gold-sand);
}

.page-about__honors .section-lead {
  color: rgba(255, 255, 255, 0.75);
}

.page-about__honor-card {
  text-align: center;
  border: 3px solid var(--gold);
  background: var(--green-deep);
  box-shadow: 10px 10px 0 rgba(212, 160, 23, 0.45);
  margin-top: 2.5rem;
  overflow: hidden;
}

.page-about__honor-img {
  max-width: 520px;
  margin: 0 auto;
  border-bottom: 3px solid var(--gold-sand);
}

.page-about__honor-img img {
  width: 100%;
  max-width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.page-about__honor-inner {
  padding: 1.75rem 1.5rem 2.25rem;
}

.page-about__honor-badge {
  width: 60px;
  height: 60px;
  margin: 0 auto 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-about__honor-badge svg {
  width: 100%;
  height: 100%;
  display: block;
}

.page-about__honor-name {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  line-height: 1.25;
  color: var(--gold);
  margin: 0.5rem 0 0.4rem;
}

.page-about__honor-desc {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--gold-sand);
  letter-spacing: 0.08em;
  margin: 0;
}

.page-about__honor-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-about__honor-row .tag {
  font-size: 0.8rem;
}

.page-about__honor-note {
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.7);
  text-align: center;
  max-width: 40em;
  margin: 1.5rem auto 0;
}

/* ===== 05 团队组成 ===== */
.page-about__team {
  background:
    linear-gradient(180deg, rgba(212, 160, 23, 0.07) 0%, transparent 180px),
    var(--white);
  color: var(--black-night);
}

.page-about__team .section-label {
  color: var(--green-deep);
}

.page-about__team .section-title {
  color: var(--black-night);
}

.page-about__team .section-lead {
  color: var(--gray-mist);
}

.page-about__team-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 2.5rem;
}

.page-about__team-copy {
  order: 2;
}

.page-about__team-copy > p {
  font-family: var(--font-body);
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--gray-mist);
}

.page-about__team-list {
  list-style: none;
  margin: 1.5rem 0 2rem;
  padding: 0;
}

.page-about__team-list li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 0.85rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--black-night);
}

.page-about__team-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 12px;
  height: 12px;
  background: var(--gold);
  transform: rotate(45deg);
}

.page-about__team-img {
  order: 1;
  border: 3px solid var(--green-deep);
  box-shadow: 10px 10px 0 rgba(11, 61, 46, 0.2);
}

.page-about__team-img img {
  display: block;
}

/* ===== 媒体查询 ===== */
@media (min-width: 640px) {
  .page-about__honor-img img {
    height: 260px;
  }

  .page-about__honor-name {
    font-size: 1.75rem;
  }
}

@media (min-width: 768px) {
  .page-about__metric-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

  .page-about__metric-card--primary {
    grid-row: span 2;
  }

  .page-about__team-copy > p {
    font-size: 1.02rem;
  }
}

@media (min-width: 900px) {
  .page-about__timeline-list::before {
    left: 50%;
    transform: translateX(-50%);
  }

  .page-about__timeline-item {
    width: 50%;
    padding-left: 0;
  }

  .page-about__timeline-item:nth-child(odd) {
    left: 0;
    padding-right: 48px;
    text-align: right;
  }

  .page-about__timeline-item:nth-child(even) {
    left: 50%;
    padding-left: 48px;
  }

  .page-about__timeline-item::before {
    left: auto;
    right: -8px;
  }

  .page-about__timeline-item:nth-child(even)::before {
    right: auto;
    left: -8px;
  }

  .page-about__timeline-body {
    margin-left: auto;
    margin-right: 0;
  }

  .page-about__timeline-item:nth-child(even) .page-about__timeline-body {
    margin-right: auto;
    margin-left: 0;
  }
}

@media (min-width: 1024px) {
  .page-about__team-layout {
    grid-template-columns: 1.2fr 1fr;
    align-items: center;
    gap: 3rem;
    margin-top: 3rem;
  }

  .page-about__team-copy {
    order: 1;
  }

  .page-about__team-img {
    order: 2;
  }
}