.page-about {
  position: relative;
  background: var(--cream);
  color: var(--dark-gray);
  line-height: 1.7;
  overflow-x: hidden;
}

/* ---------- Hero ---------- */
.page-about .about-hero {
  position: relative;
  background: linear-gradient(135deg, var(--dark-green) 0%, var(--forest) 60%, var(--forest-deep) 100%);
  color: var(--cream);
  padding: 24px 0 56px;
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 22% 30%, rgba(212, 168, 67, .18) 0%, transparent 48%),
    repeating-linear-gradient(115deg, transparent 0px, transparent 74px, rgba(255, 255, 255, .035) 75px, transparent 76px);
  pointer-events: none;
}

.page-about .about-breadcrumbs {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  max-width: calc(var(--content-max) - 40px);
  margin: 0 auto 28px;
  padding: 0 20px;
  font-size: 13px;
  letter-spacing: .04em;
  color: rgba(247, 243, 232, .72);
}

.page-about .about-breadcrumbs a {
  color: var(--gold);
  text-decoration: none;
  border-radius: var(--radius-pill);
  padding: 2px 8px;
  transition: background var(--transition), outline-color var(--transition);
}

.page-about .about-breadcrumbs a:hover,
.page-about .about-breadcrumbs a:focus-visible {
  background: rgba(212, 168, 67, .14);
  outline: 2px solid rgba(212, 168, 67, .6);
  outline-offset: 2px;
}

.page-about .about-breadcrumb-sep {
  color: rgba(247, 243, 232, .35);
}

.page-about .about-hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
}

.page-about .about-kicker {
  display: inline-block;
  font-family: var(--heading-font);
  font-size: 13px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(212, 168, 67, .12);
  border: 1px solid rgba(212, 168, 67, .32);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  margin-bottom: 20px;
}

.page-about .about-hero h1 {
  font-family: var(--heading-font);
  font-size: clamp(32px, 6vw, 52px);
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--white);
  margin: 0 0 18px;
  text-wrap: balance;
}

.page-about .about-hero h1 em {
  font-family: var(--accent-font);
  font-style: italic;
  font-weight: normal;
  color: var(--gold-soft);
  display: block;
  margin-top: 2px;
}

.page-about .about-hero-desc {
  font-size: 16px;
  line-height: 1.8;
  max-width: 580px;
  color: rgba(247, 243, 232, .9);
  margin: 0 0 24px;
}

.page-about .about-hero-desc strong {
  color: var(--gold);
  font-weight: 600;
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}

.page-about .about-hero-trust {
  font-size: 13px;
  color: rgba(247, 243, 232, .55);
  border-top: 1px solid rgba(247, 243, 232, .14);
  padding-top: 16px;
  max-width: 520px;
}

.page-about .about-hero-media {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transform: rotate(1.2deg);
  transition: transform var(--transition);
}

.page-about .about-hero-media:hover {
  transform: rotate(0deg) scale(1.01);
}

.page-about .about-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.page-about .about-hero-stamp {
  position: absolute;
  right: 16px;
  bottom: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 92px;
  background: var(--gold);
  color: var(--dark-green);
  border-radius: var(--radius-lg);
  padding: 14px 12px;
  box-shadow: var(--shadow-md);
  font-family: var(--heading-font);
}

.page-about .about-hero-stamp-num {
  font-size: 28px;
  line-height: 1;
  color: var(--dark-green);
  letter-spacing: -.02em;
}

.page-about .about-hero-stamp-label {
  font-size: 11px;
  letter-spacing: .08em;
  margin-top: 4px;
  text-align: center;
  color: rgba(13, 31, 23, .8);
}

/* ---------- 通用章节 ---------- */
.page-about .section {
  padding: 64px 20px;
}

.page-about .section-head {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 40px;
}

.page-about .section-index {
  font-family: var(--heading-font);
  font-size: 44px;
  line-height: 1;
  color: var(--gold);
  opacity: .95;
  min-width: 52px;
}

.page-about .section-kicker {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--forest);
  margin-bottom: 6px;
}

.page-about .section-head h2 {
  font-family: var(--heading-font);
  font-size: 28px;
  line-height: 1.25;
  color: var(--dark-green);
  margin: 0;
}

/* ---------- 01 品牌起源 ---------- */
.page-about .about-origin {
  background: var(--cream);
  position: relative;
}

.page-about .about-origin::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 78% 20%, rgba(168, 198, 134, .1) 0%, transparent 55%),
    repeating-linear-gradient(32deg, transparent 0px, transparent 118px, rgba(212, 168, 67, .05) 119px, transparent 120px);
  pointer-events: none;
}

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

.page-about .about-origin-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-about .about-lead {
  font-family: var(--heading-font);
  font-size: 20px;
  line-height: 1.5;
  color: var(--forest);
  margin-bottom: 20px;
}

.page-about .about-origin-main p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.85;
}

.page-about .about-origin-highlight {
  border-left: 3px solid var(--gold);
  background: rgba(212, 168, 67, .1);
  padding: 14px 16px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 14px;
}

.page-about .about-origin-side {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-about .about-culture-card {
  background: var(--forest);
  color: var(--cream);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.page-about .about-culture-card::after {
  content: "";
  position: absolute;
  right: -20px;
  bottom: -30px;
  width: 110px;
  height: 110px;
  background: radial-gradient(circle, rgba(212, 168, 67, .25) 0%, transparent 70%);
  border-radius: 50%;
}

.page-about .about-culture-symbol {
  font-size: 20px;
  color: var(--gold);
  letter-spacing: .2em;
  display: block;
  margin-bottom: 12px;
}

.page-about .about-culture-card h3 {
  font-family: var(--heading-font);
  font-size: 20px;
  color: var(--white);
  margin: 0 0 10px;
}

.page-about .about-culture-card p {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(247, 243, 232, .85);
  margin: 0 0 16px;
}

.page-about .about-inline-link {
  color: var(--gold);
  font-size: 13px;
  text-decoration: none;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}

.page-about .about-inline-link:hover,
.page-about .about-inline-link:focus-visible {
  border-bottom-color: var(--gold);
  outline: none;
}

.page-about .about-culture-note {
  background: var(--light-gray);
  border-radius: var(--radius-md);
  padding: 20px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--dark-gray);
}

.page-about .about-culture-note p {
  margin: 0;
}

/* ---------- 02 发展里程碑 ---------- */
.page-about .about-milestones {
  background: linear-gradient(160deg, var(--dark-green) 0%, var(--forest) 70%, var(--forest-deep) 100%);
  color: var(--cream);
  position: relative;
  overflow: hidden;
}

.page-about .about-milestones::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212, 168, 67, .14) 0%, transparent 70%);
  pointer-events: none;
}

.page-about .about-milestones-head .section-index {
  color: var(--gold);
}

.page-about .about-milestones-head .section-kicker {
  color: var(--gold);
}

.page-about .about-milestones-head h2 {
  color: var(--white);
}

.page-about .about-timeline-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}

.page-about .about-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--gold), rgba(212, 168, 67, .3));
  border-radius: 2px;
}

.page-about .about-timeline-item {
  position: relative;
  padding: 0 0 32px 28px;
}

.page-about .about-timeline-item::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--gold);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(212, 168, 67, .18);
}

.page-about .about-timeline-year {
  font-family: var(--heading-font);
  font-size: 30px;
  line-height: 1.05;
  color: var(--gold-soft);
  display: block;
  margin-bottom: 8px;
}

.page-about .about-timeline-card {
  background: rgba(255, 255, 255, .045);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  transition: box-shadow var(--transition), transform var(--transition);
}

.page-about .about-timeline-card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, .22);
  transform: translateY(-3px);
}

.page-about .about-timeline-card h3 {
  font-family: var(--heading-font);
  font-size: 16px;
  color: var(--white);
  margin: 0 0 6px;
}

.page-about .about-timeline-card p {
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(247, 243, 232, .75);
  margin: 0;
}

.page-about .about-milestone-media {
  margin: 0;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(212, 168, 67, .18);
  box-shadow: var(--shadow-lg);
}

.page-about .about-milestone-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 5 / 3;
}

.page-about .about-milestone-media figcaption {
  background: rgba(13, 31, 23, .75);
  color: rgba(247, 243, 232, .7);
  font-size: 12.5px;
  padding: 10px 14px;
  letter-spacing: .02em;
  border-top: 1px solid rgba(212, 168, 67, .14);
}

/* ---------- 03 专业团队与数据能力 ---------- */
.page-about .about-capability {
  background: var(--light-gray);
}

.page-about .about-capability-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-about .about-capability-text {
  background: var(--cream);
  border-radius: var(--radius-lg);
  padding: 24px;
  font-size: 15px;
  line-height: 1.8;
  box-shadow: var(--shadow-sm);
}

.page-about .about-capability-text p {
  margin: 0 0 14px;
}

.page-about .about-capability-text .about-lead {
  margin-bottom: 14px;
  font-size: 20px;
}

.page-about .about-capability-foot {
  border-top: 1px solid rgba(27, 67, 50, .12);
  padding-top: 14px;
  font-size: 14px;
  color: var(--forest);
  font-weight: 600;
}

.page-about .about-capability-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.page-about .about-capability-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 7 / 5;
}

.page-about .about-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.page-about .about-stat-card {
  background: var(--forest);
  border-radius: var(--radius-md);
  padding: 20px 14px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.page-about .about-stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.page-about .about-stat-num {
  display: block;
  font-family: var(--heading-font);
  font-size: 30px;
  line-height: 1;
  color: var(--gold);
  letter-spacing: -.02em;
}

.page-about .about-stat-label {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: rgba(247, 243, 232, .75);
  letter-spacing: .04em;
}

/* ---------- 04 品牌理念与责任 ---------- */
.page-about .about-mission {
  background: var(--cream);
}

.page-about .about-mission-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 36px;
}

.page-about .about-mission-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  border-top: 4px solid var(--gold);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
}

.page-about .about-mission-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.page-about .about-mission-num {
  display: inline-block;
  font-family: var(--heading-font);
  font-size: 15px;
  color: var(--forest);
  background: rgba(27, 67, 50, .08);
  border-radius: var(--radius-pill);
  padding: 4px 12px;
  margin-bottom: 14px;
}

.page-about .about-mission-card h3 {
  font-family: var(--heading-font);
  font-size: 18px;
  color: var(--dark-green);
  margin: 0 0 10px;
}

.page-about .about-mission-card p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--dark-gray);
  margin: 0;
}

.page-about .about-mission-cta {
  background: linear-gradient(135deg, var(--forest) 0%, var(--dark-green) 100%);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  color: rgba(247, 243, 232, .85);
  box-shadow: var(--shadow-md);
}

.page-about .about-mission-cta p {
  font-size: 15px;
  max-width: 480px;
  margin: 0 auto 20px;
  line-height: 1.75;
}

.page-about .about-mission-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-about .about-hero-inner {
    grid-template-columns: 1.1fr 1fr;
    gap: 48px;
  }

  .page-about .about-hero-stamp {
    min-width: 120px;
    padding: 18px 16px;
  }

  .page-about .about-hero-stamp-num {
    font-size: 36px;
  }

  .page-about .about-origin-grid {
    grid-template-columns: 1.25fr 1fr;
    gap: 48px;
  }

  .page-about .about-timeline-layout {
    grid-template-columns: 1.25fr 1fr;
    gap: 48px;
  }

  .page-about .about-capability-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    align-items: start;
  }

  .page-about .about-capability-text {
    grid-column: 1 / -1;
  }

  .page-about .about-stat-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .about-mission-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-about .section {
    padding: 88px 24px;
  }

  .page-about .section-head h2 {
    font-size: 36px;
  }

  .page-about .section-index {
    font-size: 56px;
  }
}

@media (min-width: 1080px) {
  .page-about .about-capability-grid {
    grid-template-columns: 1.15fr .9fr .95fr;
  }

  .page-about .about-capability-text {
    grid-column: auto;
  }

  .page-about .about-stat-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-about .about-timeline-item {
    padding-left: 34px;
  }

  .page-about .about-timeline-year {
    font-size: 36px;
  }
}