/* ===== 百博品牌档案页面 ===== */

/* Hero 首屏 */
.page-about .about-hero {
  position: relative;
  isolation: isolate;
  background: var(--color-primary);
  padding: 32px 0 48px;
  color: var(--color-white);
  overflow: hidden;
}
.page-about .about-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.32;
  z-index: -2;
  max-width: 100%;
}
.page-about .about-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 31, 68, 0.9), rgba(10, 31, 68, 0.62) 55%, rgba(10, 31, 68, 0.92));
  z-index: -1;
}
.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: 20px;
}
.page-about .about-hero__breadcrumb {
  margin-bottom: 30px;
  background: transparent;
  padding: 0;
}
.page-about .about-hero .breadcrumb__link {
  color: rgba(255, 255, 255, 0.72);
}
.page-about .about-hero .breadcrumb__link:hover {
  color: var(--color-accent-light);
}
.page-about .about-hero .breadcrumb__current {
  color: var(--color-white);
}
.page-about .about-hero__layout {
  position: relative;
}
.page-about .about-hero__label {
  color: var(--color-accent-light);
}
.page-about .about-hero__title {
  margin: 6px 0 16px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 2.6rem;
  line-height: 1.08;
  letter-spacing: 0.01em;
  color: var(--color-white);
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}
.page-about .about-hero__lead {
  max-width: 640px;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text-on-dark);
  margin: 0 0 28px;
}
.page-about .about-hero__lead strong {
  color: var(--color-accent-light);
  font-weight: 600;
}
.page-about .about-hero__deco {
  display: none;
  position: absolute;
  top: 8px;
  right: 0;
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.3em;
  color: rgba(255, 107, 0, 0.6);
  writing-mode: vertical-rl;
  text-transform: uppercase;
}
.page-about .about-index {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 28px;
}
.page-about .about-index a {
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--color-text-on-dark);
  border: 1px solid rgba(255, 255, 255, 0.22);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.page-about .about-index a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-light);
  background: rgba(255, 107, 0, 0.08);
}
.page-about .about-hero__metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  padding-top: 24px;
}
.page-about .about-hero__metric {
  margin: 0;
  background: rgba(255, 255, 255, 0.06);
  border-left: 3px solid var(--color-accent);
  padding: 14px 16px;
}
.page-about .about-hero__metric-label {
  margin: 0;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--color-text-on-dark);
}
.page-about .about-hero__metric-num {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  line-height: 1;
  color: var(--color-accent);
}

/* Story 我们的起点 */
.page-about .about-story {
  background: var(--color-bg-light);
}
.page-about .about-story__grid {
  display: grid;
  gap: 40px;
  align-items: center;
}
.page-about .about-story__content h2,
.page-about .about-milestones__content h2,
.page-about .about-team__info h2,
.page-about .about-commitment__head h2 {
  font-family: var(--font-display);
  font-size: 1.9rem;
  line-height: 1.2;
  font-weight: 700;
  margin: 10px 0 20px;
  color: var(--color-text-dark);
}
.page-about .about-story__content p {
  margin: 0 0 16px;
  line-height: 1.85;
  color: #3A4A5C;
}
.page-about .about-story__content p strong {
  color: var(--color-accent);
  font-weight: 600;
}
.page-about .about-story__content .btn {
  margin-top: 10px;
}
.page-about .about-story__panel {
  position: relative;
  background: var(--color-primary);
  padding: 28px 28px 20px;
  border-radius: var(--radius-md);
  overflow: hidden;
}
.page-about .about-story__panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--color-accent);
}
.page-about .about-story__panel::after {
  content: '';
  position: absolute;
  right: -34px;
  bottom: -34px;
  width: 110px;
  height: 110px;
  border: 2px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
}
.page-about .about-story__strip {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 180px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--color-grid);
  padding-bottom: 10px;
}
.page-about .about-story__strip span {
  flex: 1;
  min-height: 8px;
  background: linear-gradient(to top, var(--color-primary-light), var(--color-accent));
  border-radius: 2px 2px 0 0;
}
.page-about .about-story__strip span:nth-child(1) { height: 38%; }
.page-about .about-story__strip span:nth-child(2) { height: 72%; }
.page-about .about-story__strip span:nth-child(3) { height: 55%; }
.page-about .about-story__strip span:nth-child(4) { height: 88%; }
.page-about .about-story__strip span:nth-child(5) { height: 46%; }
.page-about .about-story__strip span:nth-child(6) { height: 94%; }
.page-about .about-story__strip span:nth-child(7) { height: 62%; }
.page-about .about-story__strip span:nth-child(8) { height: 78%; }
.page-about .about-story__strip span:nth-child(9) { height: 52%; }
.page-about .about-story__strip span:nth-child(10) { height: 84%; }
.page-about .about-story__strip span:nth-child(11) { height: 68%; }
.page-about .about-story__strip span:nth-child(12) { height: 92%; }
.page-about .about-story__panel p {
  margin: 0;
  font-size: 0.8rem;
  color: var(--color-text-on-dark);
  letter-spacing: 0.06em;
}

/* Capability 数据覆盖与能力 */
.page-about .about-capability {
  position: relative;
  background: var(--color-primary);
  color: var(--color-text-on-dark);
}
.page-about .about-capability__deco {
  position: absolute;
  top: 20px;
  right: 8px;
  font-family: var(--font-display);
  font-size: 3.4rem;
  font-weight: 600;
  line-height: 1;
  color: rgba(255, 255, 255, 0.05);
  letter-spacing: 0.12em;
  pointer-events: none;
  text-transform: uppercase;
}
.page-about .about-capability__intro {
  max-width: 680px;
  color: var(--color-text-on-dark);
  line-height: 1.8;
  margin-bottom: 32px;
}
.page-about .about-capability__intro strong {
  color: var(--color-accent-light);
  font-weight: 600;
}
.page-about .about-capability__mosaic {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  grid-auto-flow: dense;
}
.page-about .about-capability__card {
  position: relative;
  z-index: 1;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  padding: 26px 24px;
  min-height: 140px;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  color: var(--color-text-on-dark);
}
.page-about .about-capability__card:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.28);
}
.page-about .about-capability__card--large {
  background: radial-gradient(circle at 82% 20%, rgba(255, 107, 0, 0.18), transparent 42%), var(--color-primary-light);
}
.page-about .about-capability__card--tall {
  min-height: 250px;
}
.page-about .about-capability__card--full {
  background: linear-gradient(120deg, rgba(255, 107, 0, 0.2), transparent 55%), var(--color-primary-light);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: 22px 26px;
}
.page-about .about-capability__card--full p {
  min-width: 0;
  margin: 0;
}
.page-about .about-capability__num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 600;
  line-height: 1;
  color: var(--color-accent);
  margin-bottom: 10px;
}
.page-about .about-capability__card h3 {
  margin: 0 0 8px;
  font-size: 1.08rem;
  color: var(--color-white);
}
.page-about .about-capability__card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--color-text-on-dark);
}
.page-about .about-capability__extra {
  display: block;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, opacity 0.3s ease, margin-top 0.3s ease;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--color-accent-light);
  margin-top: 0;
}
.page-about .about-capability__card:hover .about-capability__extra {
  max-height: 80px;
  opacity: 1;
  margin-top: 10px;
}
.page-about .about-capability__tag {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-white);
  padding: 6px 14px;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
}

/* Milestones 发展里程碑 */
.page-about .about-milestones {
  background: var(--color-bg-light);
}
.page-about .about-milestones__layout {
  display: grid;
  gap: 40px;
}
.page-about .about-milestones__visual {
  margin: 0;
}
.page-about .about-milestones__visual img {
  width: 100%;
  max-width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: var(--radius-md);
  display: block;
}
.page-about .about-milestones__visual figcaption {
  margin-top: 12px;
  font-size: 0.84rem;
  color: var(--color-text-subtle);
  letter-spacing: 0.04em;
  border-left: 3px solid var(--color-accent);
  padding-left: 12px;
}
.page-about .about-milestones__content h2 {
  margin: 10px 0 8px;
}
.page-about .about-timeline {
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
  position: relative;
}
.page-about .about-timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 11px;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent), var(--color-primary-light) 50%, var(--color-grid));
  opacity: 0.5;
}
.page-about .about-timeline__item {
  position: relative;
  padding-left: 42px;
  padding-bottom: 36px;
}
.page-about .about-timeline__item:last-child {
  padding-bottom: 0;
}
.page-about .about-timeline__item::before {
  content: '';
  position: absolute;
  left: 5px;
  top: 8px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid var(--color-bg-light);
  box-shadow: 0 0 0 2px var(--color-accent);
  z-index: 1;
}
.page-about .about-timeline__year {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  line-height: 1;
  color: var(--color-text-dark);
  margin: 2px 0 10px;
}
.page-about .about-timeline__title {
  display: inline-block;
  font-size: 1.06rem;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--color-text-dark);
  background: var(--color-white);
  padding: 4px 10px;
  border-left: 3px solid var(--color-accent);
}
.page-about .about-timeline__desc {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: #5A6A7E;
}
.page-about .about-timeline__desc strong {
  color: var(--color-accent);
  font-weight: 600;
}

/* Team 团队与协作 */
.page-about .about-team {
  background: var(--color-white);
}
.page-about .about-team__layout {
  display: grid;
  gap: 40px;
  align-items: center;
}
.page-about .about-team__info > p {
  margin: 0 0 10px;
  line-height: 1.85;
  color: #3A4A5C;
}
.page-about .about-team__info > p strong {
  color: var(--color-accent);
  font-weight: 600;
}
.page-about .about-team__roles {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-about .about-team__roles li {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--color-bg-light);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  color: var(--color-text-dark);
  font-weight: 500;
}
.page-about .about-team__roles li::before {
  content: '';
  width: 9px;
  height: 9px;
  background: var(--color-accent);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
  flex: none;
}
.page-about .about-team__media {
  margin: 0;
}
.page-about .about-team__media img {
  width: 100%;
  max-width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: var(--radius-md);
  display: block;
  filter: saturate(1.05);
}
.page-about .about-team__media figcaption {
  margin-top: 10px;
  font-size: 0.82rem;
  color: var(--color-text-subtle);
  letter-spacing: 0.04em;
  border-left: 3px solid var(--color-accent);
  padding-left: 12px;
}

/* Commitment 服务承诺 */
.page-about .about-commitment {
  background: var(--color-bg-light);
}
.page-about .about-commitment__head {
  max-width: 640px;
  margin-bottom: 28px;
}
.page-about .about-commitment__head h2 {
  margin: 10px 0 12px;
}
.page-about .about-commitment__head p {
  margin: 0;
  color: #5A6A7E;
  line-height: 1.8;
}
.page-about .about-commitment__grid {
  display: grid;
  gap: 16px;
}
.page-about .about-commitment__card {
  border-top: 3px solid var(--color-accent);
}
.page-about .about-commitment__card--alert {
  border-top-color: var(--color-warning);
}
.page-about .about-commitment__num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 12px;
}
.page-about .about-commitment__card--alert .about-commitment__num {
  color: var(--color-warning);
  font-size: 2rem;
}
.page-about .about-commitment__card h3 {
  font-size: 1.06rem;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--color-text-dark);
}
.page-about .about-commitment__card p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: #5A6A7E;
}
.page-about .about-commitment__cta {
  margin-top: 40px;
  position: relative;
  overflow: hidden;
  background: var(--color-primary);
  padding: 32px;
  border-radius: var(--radius-md);
  color: var(--color-white);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  justify-content: space-between;
}
.page-about .about-commitment__cta::after {
  content: '';
  position: absolute;
  right: -24px;
  top: -24px;
  width: 90px;
  height: 90px;
  background: var(--color-accent);
  clip-path: polygon(20% 0, 100% 0, 100% 80%);
  opacity: 0.35;
}
.page-about .about-commitment__cta p {
  flex: 1;
  min-width: 220px;
  margin: 0;
  color: var(--color-text-on-dark);
  line-height: 1.75;
}
.page-about .about-commitment__cta .btn {
  z-index: 1;
}
.page-about .about-commitment__cta .btn--ghost {
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.6);
}
.page-about .about-commitment__cta .btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* 深色区块标题与标签 */
.page-about .page-section--dark h2 {
  color: var(--color-white);
}
.page-about .page-section--dark .section-label,
.page-about .about-hero .section-label {
  color: var(--color-accent-light);
}

/* 锚点滚动偏移 */
.page-about [id] {
  scroll-margin-top: 92px;
}

/* ===== 响应式 ===== */
@media (min-width: 640px) {
  .page-about .about-capability__mosaic {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: minmax(150px, auto);
    gap: 16px;
  }
  .page-about .about-capability__card--large {
    grid-column: span 2;
    grid-row: span 2;
  }
  .page-about .about-capability__card--tall {
    grid-row: span 2;
  }
  .page-about .about-capability__card--wide {
    grid-column: span 2;
  }
  .page-about .about-capability__card--full {
    grid-column: 1 / -1;
  }
  .page-about .about-team__roles {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .page-about .about-hero {
    padding: 40px 0 56px;
  }
  .page-about .about-hero__title {
    font-size: 4.2rem;
  }
  .page-about .about-hero__deco {
    display: block;
  }
  .page-about .about-hero__metrics {
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border-top: none;
    padding-top: 28px;
  }
  .page-about .about-hero__metric {
    background: transparent;
    border-left: none;
    border-top: 3px solid var(--color-accent);
    padding: 16px 20px 0;
  }
  .page-about .about-timeline::before {
    left: 50%;
    transform: translateX(-50%);
  }
  .page-about .about-timeline__item {
    width: 50%;
    padding-left: 0;
    padding-right: 48px;
    padding-bottom: 44px;
    text-align: right;
  }
  .page-about .about-timeline__item::before {
    left: auto;
    right: -7px;
  }
  .page-about .about-timeline__item:nth-child(even) {
    margin-left: 50%;
    padding-right: 0;
    padding-left: 48px;
    text-align: left;
  }
  .page-about .about-timeline__item:nth-child(even)::before {
    right: auto;
    left: -7px;
  }
  .page-about .about-commitment__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
}

@media (min-width: 960px) {
  .page-about .about-story__grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 64px;
  }
  .page-about .about-capability__mosaic {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-about .about-capability__card--full {
    flex-direction: row;
    align-items: center;
    gap: 24px;
  }
  .page-about .about-capability__card--full p {
    flex: 1;
    min-width: 220px;
  }
  .page-about .about-milestones__layout {
    grid-template-columns: 0.72fr 1.28fr;
    gap: 56px;
    align-items: start;
  }
  .page-about .about-milestones__visual img {
    height: 560px;
  }
  .page-about .about-team__layout {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 56px;
  }
  .page-about .about-team__media img {
    height: 360px;
  }
}