.page-about {
  position: relative;
  color: var(--text-primary);
}

.page-about .about-shell {
  padding-top: calc(var(--header-h) + 28px);
  padding-bottom: 64px;
}

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

/* ---------- 首屏主题声明 ---------- */
.page-about .about-hero {
  position: relative;
  padding: 48px 0 32px;
}

.page-about .about-hero::before {
  content: "WANLI";
  position: absolute;
  right: -8px;
  top: -8px;
  font-family: var(--font-heading);
  font-size: clamp(64px, 16vw, 180px);
  letter-spacing: 0.04em;
  line-height: 1;
  color: rgba(255, 255, 255, 0.03);
  pointer-events: none;
  z-index: 0;
  white-space: nowrap;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  right: 10%;
  top: 42%;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(0, 201, 167, 0.12), transparent 65%);
  filter: blur(40px);
  pointer-events: none;
  z-index: 0;
}

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

.page-about .about-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-heading);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-teal);
}

.page-about .about-hero__kicker::before {
  content: "";
  display: inline-block;
  width: 32px;
  height: 2px;
  background: var(--gradient);
  border-radius: 2px;
}

.page-about .about-hero__title {
  margin: 18px 0 24px;
  max-width: 12em;
  font-family: var(--font-heading);
  font-size: clamp(30px, 6vw, 62px);
  line-height: 1.12;
  letter-spacing: -0.01em;
}

.page-about .about-hero__lead {
  max-width: 640px;
  margin: 0;
  font-size: clamp(15px, 1.4vw, 18px);
  line-height: 1.85;
  color: var(--text-secondary);
}

.page-about .hero-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 36px 0 0;
  padding: 0;
}

.page-about .hero-metrics__item {
  background: var(--glass);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 18px 20px;
  min-height: 96px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.page-about .hero-metrics__item:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 201, 167, 0.35);
  background: rgba(255, 255, 255, 0.07);
}

.page-about .hero-metrics__item dt {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.page-about .hero-metrics__item dd {
  font-family: var(--font-heading);
  font-size: 30px;
  line-height: 1;
  margin: 0;
  color: var(--text-primary);
}

/* ---------- 通用区块节奏 ---------- */
.page-about .about-block {
  padding: 64px 0 8px;
}

.page-about .section-title {
  margin: 12px 0 16px;
  max-width: 12em;
}

.page-about .section-subtitle {
  max-width: 640px;
  line-height: 1.8;
}

/* ---------- 我们是谁 ---------- */
.page-about .about-who__header {
  margin-bottom: 32px;
}

.page-about .about-who__grid {
  display: grid;
  gap: 32px;
  align-items: center;
}

.page-about .about-who__copy {
  font-size: 16px;
  line-height: 1.85;
}

.page-about .about-who__copy strong {
  color: var(--accent-teal);
  font-weight: 600;
  white-space: nowrap;
}

.page-about .about-who__copy p + p {
  margin-top: 16px;
}

.page-about .about-who__figure {
  margin: 0;
  border-radius: 18px;
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

.page-about .about-who__figure img,
.page-about .about-history__figure img,
.page-about .about-team__figure img {
  clip-path: polygon(0 0, 100% 8%, 100% 92%, 0 100%);
  display: block;
  width: 100%;
  object-fit: cover;
}

.page-about .about-who__figure img {
  aspect-ratio: 3 / 2;
}

.page-about .about-who__figure figcaption {
  padding: 14px 18px 20px;
  font-size: 13px;
  color: var(--text-secondary);
  background: rgba(17, 34, 64, 0.92);
  line-height: 1.6;
}

/* ---------- 发展历程 ---------- */
.page-about .about-history__header {
  margin-bottom: 36px;
}

.page-about .about-history__layout {
  display: grid;
  gap: 40px;
  align-items: start;
}

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

.page-about .timeline__item {
  position: relative;
  padding: 0 0 36px 44px;
  border-left: 2px solid rgba(255, 255, 255, 0.1);
}

.page-about .timeline__item:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-about .timeline__index {
  position: absolute;
  left: -17px;
  top: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--accent-orange);
  color: var(--accent-orange);
  font-family: var(--font-heading);
  font-size: 12px;
  transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease;
}

.page-about .timeline__item:nth-child(even) .timeline__index {
  border-color: var(--accent-teal);
  color: var(--accent-teal);
}

.page-about .timeline__item:hover .timeline__index {
  transform: scale(1.12);
  background: var(--bg-deep);
}

.page-about .timeline__title {
  font-family: var(--font-heading);
  font-size: 18px;
  line-height: 1.4;
  margin: 0 0 8px;
  color: var(--text-primary);
}

.page-about .timeline__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.page-about .about-history__figure {
  margin: 0;
  border-radius: 18px;
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  max-width: 400px;
}

.page-about .about-history__figure img {
  aspect-ratio: 1 / 1;
}

/* ---------- 资质与荣誉 ---------- */
.page-about .honor-grid {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-about .honor-card {
  position: relative;
  padding: 28px 26px;
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.page-about .honor-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.page-about .honor-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.25);
  border-color: rgba(255, 255, 255, 0.16);
}

.page-about .honor-card:hover::after {
  opacity: 1;
}

.page-about .honor-card__num {
  display: block;
  margin-bottom: 14px;
  font-family: var(--font-heading);
  font-size: 14px;
  color: var(--accent-teal);
}

.page-about .honor-card:nth-child(even) .honor-card__num {
  color: var(--accent-orange);
}

.page-about .honor-card h3 {
  margin: 0 0 8px;
  font-size: 17px;
  color: var(--text-primary);
}

.page-about .honor-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ---------- 团队与文化 ---------- */
.page-about .about-team__grid {
  display: grid;
  gap: 32px;
}

.page-about .about-team__copy {
  order: 1;
}

.page-about .about-team__figure {
  order: 2;
  margin: 0;
  border-radius: 18px;
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.page-about .about-team__figure img {
  aspect-ratio: 8 / 5;
}

.page-about .about-team__copy > p {
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-secondary);
  margin: 0;
}

.page-about .culture-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-about .culture-list__item {
  display: flex;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.page-about .culture-list__item:first-child {
  padding-top: 4px;
}

.page-about .culture-list__item:last-child {
  border-bottom: 0;
}

.page-about .culture-list__icon {
  flex: 0 0 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 3px;
  border-radius: 6px;
  background: rgba(255, 107, 53, 0.15);
  color: var(--accent-orange);
  font-size: 10px;
}

.page-about .culture-list__item h3 {
  margin: 0 0 6px;
  font-size: 16px;
  color: var(--text-primary);
}

.page-about .culture-list__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ---------- 延伸入口 CTA ---------- */
.page-about .about-cta {
  margin-top: 72px;
  border-radius: 24px;
  padding: 36px 28px;
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.18), rgba(0, 201, 167, 0.14));
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.page-about .about-cta h2 {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-size: 24px;
  color: var(--text-primary);
}

.page-about .about-cta p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-about .hero-metrics {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .honor-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-about .about-cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero {
    padding-top: clamp(48px, 8vw, 88px);
  }

  .page-about .about-who__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
    gap: 56px;
  }

  .page-about .about-history__layout {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.65fr);
    gap: 64px;
  }

  .page-about .about-history__figure {
    position: sticky;
    top: calc(var(--header-h) + 32px);
  }

  .page-about .honor-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(360px, 0.9fr) minmax(0, 1.1fr);
    gap: 72px;
    align-items: center;
  }

  .page-about .about-team__copy {
    order: 2;
  }

  .page-about .about-team__figure {
    order: 1;
  }

  .page-about .about-cta {
    padding: 44px 48px;
  }
}