.page-about {
  --about-line: rgba(27, 42, 65, 0.12);
  --about-gold-soft: rgba(255, 208, 47, 0.16);
  --about-shadow: 0 10px 30px rgba(16, 24, 32, 0.08);
  color: var(--cmp-color-deep);
  background: var(--cmp-color-mist);
  font-family: var(--cmp-font-body);
}

.page-about .about-wrap {
  width: min(calc(100% - 40px), var(--cmp-container));
  margin-inline: auto;
}

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

.page-about a:focus-visible {
  outline: 2px solid var(--cmp-color-primary);
  outline-offset: 3px;
}

/* ---------- 面包屑 ---------- */
.page-about .cmp-breadcrumbs {
  padding-top: 28px;
}

.page-about .cmp-breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--cmp-font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cmp-color-slate);
}

.page-about .cmp-breadcrumbs__item:not(:first-child)::before {
  content: "/";
  margin-right: 8px;
  color: var(--cmp-color-primary);
}

.page-about .cmp-breadcrumbs__item a {
  color: var(--cmp-color-slate);
  text-decoration: none;
}

.page-about .cmp-breadcrumbs__item a:hover {
  color: var(--cmp-color-primary);
}

.page-about .cmp-breadcrumbs__item[aria-current="page"] {
  color: var(--cmp-color-deep);
  font-weight: 700;
}

/* ---------- 品牌宣言 ---------- */
.page-about .about-manifesto {
  padding: 48px 0 76px;
}

.page-about .about-manifesto__grid {
  display: grid;
  gap: 36px;
}

.page-about .about-manifesto__rail {
  display: flex;
  flex-direction: row;
  align-items: baseline;
  gap: 14px;
  font-family: var(--cmp-font-display);
  font-size: 0.92rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cmp-color-slate);
}

.page-about .about-manifesto__rail span:first-child {
  color: var(--cmp-color-primary);
}

.page-about .about-manifesto__copy {
  max-width: 760px;
}

.page-about .about-manifesto__title {
  margin: 14px 0 0;
  font-family: var(--cmp-font-display);
  font-size: clamp(2.4rem, 7.4vw, 5.2rem);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--cmp-color-ink);
  border-left: 8px solid var(--cmp-color-primary);
  padding-left: clamp(16px, 3vw, 28px);
}

.page-about .about-manifesto__subtitle {
  display: block;
  margin-top: 10px;
  color: var(--cmp-color-primary);
  font-size: 0.36em;
  letter-spacing: 0.05em;
  text-transform: none;
}

.page-about .about-manifesto__kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 26px 0 16px;
  font-family: var(--cmp-font-mono);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cmp-color-primary);
}

.page-about .about-manifesto__kicker::before {
  content: "";
  width: 46px;
  height: 4px;
  background: var(--cmp-color-primary);
  transform: skewX(-30deg);
}

.page-about .about-manifesto__lead {
  margin: 0 0 18px;
  font-size: clamp(1.05rem, 2vw, 1.4rem);
  font-weight: 700;
  line-height: 1.6;
  color: var(--cmp-color-ink);
}

.page-about .about-manifesto__text {
  max-width: 62ch;
  margin: 0 0 16px;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--cmp-color-slate);
}

.page-about .about-manifesto__facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-manifesto__facts li {
  position: relative;
  padding-left: 22px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--cmp-color-deep);
}

.page-about .about-manifesto__facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 11px;
  height: 4px;
  background: var(--cmp-color-primary);
  transform: skewX(-30deg);
}

.page-about .about-manifesto__figure {
  position: relative;
  max-width: 420px;
  margin: 0;
}

.page-about .about-manifesto__figure::before {
  content: "";
  position: absolute;
  inset: 0;
  transform: translate(14px, 14px);
  background: var(--cmp-color-gold);
  z-index: 0;
}

.page-about .about-manifesto__imgwrap {
  position: relative;
  z-index: 1;
  background: var(--cmp-color-ink);
}

.page-about .about-manifesto__imgwrap img {
  display: block;
  width: 100%;
  object-fit: cover;
  filter: saturate(1.04) contrast(1.05);
}

.page-about .about-manifesto__figure figcaption {
  margin-top: 12px;
  font-family: var(--cmp-font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--cmp-color-slate);
}

/* ---------- 通用区块头 ---------- */
.page-about .about-band {
  padding: 76px 0;
}

.page-about .about-section-head {
  margin-bottom: 48px;
}

.page-about .about-section-head__title {
  margin: 14px 0 12px;
  font-family: var(--cmp-font-display);
  font-size: clamp(1.9rem, 4.4vw, 3.4rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--cmp-color-ink);
}

.page-about .about-section-head__title span {
  display: block;
  margin-top: 8px;
  font-family: var(--cmp-font-body);
  font-size: 0.42em;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: none;
  color: var(--cmp-color-slate);
}

.page-about .about-section-head__intro {
  max-width: 640px;
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--cmp-color-slate);
}

.page-about .about-section-head--dark .about-section-head__title {
  color: var(--cmp-color-white);
}

.page-about .about-section-head--dark .about-section-head__title span {
  color: rgba(247, 249, 252, 0.72);
}

.page-about .about-section-head--dark .about-section-head__intro {
  color: rgba(247, 249, 252, 0.75);
}

.page-about .cmp-section-label--gold {
  color: var(--cmp-color-gold);
}

.page-about .cmp-section-label--green {
  color: var(--cmp-color-green);
}

/* ---------- 发展历程时间轴 ---------- */
.page-about .about-timeline-section {
  background: var(--cmp-color-white);
  border-top: 1px solid var(--about-line);
  border-bottom: 1px solid var(--about-line);
}

.page-about .about-timeline {
  position: relative;
  padding: 12px 0 8px;
}

.page-about .about-timeline__rail {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 12px;
  width: 4px;
  z-index: 1;
}

.page-about .about-timeline__svg {
  display: block;
  width: 100%;
  height: 100%;
}

.page-about .about-timeline__list {
  position: relative;
  z-index: 2;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-timeline__item {
  position: relative;
  margin-bottom: 28px;
  padding-left: 46px;
}

.page-about .about-timeline__item:last-child {
  margin-bottom: 0;
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  top: 26px;
  left: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--cmp-color-gold);
  border: 3px solid var(--cmp-color-white);
  box-shadow: 0 0 0 2px var(--cmp-color-deep);
}

.page-about .about-timeline__card {
  padding: 22px 24px 20px;
  background: var(--cmp-color-white);
  border: 1px solid var(--about-line);
  border-left: 6px solid var(--cmp-color-primary);
  box-shadow: var(--cmp-shadow);
}

.page-about .about-timeline__year {
  font-family: var(--cmp-font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cmp-color-primary);
}

.page-about .about-timeline__title {
  margin: 10px 0 8px;
  font-family: var(--cmp-font-display);
  font-size: 1.22rem;
  font-weight: 700;
  line-height: 1.2;
  text-transform: uppercase;
  color: var(--cmp-color-ink);
}

.page-about .about-timeline__desc {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--cmp-color-slate);
}

/* ---------- 数据能力 ---------- */
.page-about .about-capability {
  position: relative;
  overflow: hidden;
  background-color: var(--cmp-color-ink);
  background-image:
    radial-gradient(circle at 12% 18%, rgba(76, 175, 125, 0.22) 0, rgba(76, 175, 125, 0) 260px),
    radial-gradient(circle at 88% 76%, rgba(76, 175, 125, 0.15) 0, rgba(76, 175, 125, 0) 320px),
    repeating-linear-gradient(-38deg, rgba(76, 175, 125, 0.06) 0 2px, transparent 2px 14px),
    repeating-linear-gradient(38deg, rgba(139, 92, 246, 0.05) 0 2px, transparent 2px 18px);
  color: var(--cmp-color-white);
}

.page-about .about-capability::after {
  content: "";
  position: absolute;
  right: -90px;
  top: -90px;
  width: 300px;
  height: 300px;
  background: linear-gradient(135deg, rgba(255, 208, 47, 0.16), rgba(255, 74, 61, 0.04));
  clip-path: polygon(0 0, 100% 0, 100% 80%, 24% 100%);
  pointer-events: none;
}

.page-about .about-capability__content {
  display: grid;
  gap: 40px;
  margin-top: 40px;
}

.page-about .about-capability__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin: 0;
  background: rgba(247, 249, 252, 0.14);
  border: 1px solid rgba(247, 249, 252, 0.14);
}

.page-about .about-capability__stats > div {
  padding: 28px 22px;
  background: var(--cmp-color-ink);
}

.page-about .about-stat dt {
  margin-bottom: 12px;
  font-family: var(--cmp-font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(247, 249, 252, 0.7);
}

.page-about .about-stat dd {
  margin: 0;
}

.page-about .about-stat__num {
  font-family: var(--cmp-font-mono);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--cmp-color-gold);
}

.page-about .about-stat__unit {
  margin-left: 2px;
  font-family: var(--cmp-font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--cmp-color-primary);
}

.page-about .about-capability__figure {
  position: relative;
  margin: 0;
}

.page-about .about-capability__figure img {
  display: block;
  width: 100%;
  object-fit: cover;
  border: 1px solid rgba(255, 208, 47, 0.3);
  box-shadow: 18px 18px 0 rgba(139, 92, 246, 0.18);
}

.page-about .about-capability__figure figcaption {
  margin-top: 14px;
  font-family: var(--cmp-font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: rgba(247, 249, 252, 0.66);
}

/* ---------- 合作与荣誉 ---------- */
.page-about .about-honors {
  background: var(--cmp-color-mist);
}

.page-about .about-honor__grid {
  display: grid;
  gap: 20px;
}

.page-about .about-honor__card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 26px 22px 22px;
  background: var(--cmp-color-white);
  border: 1px solid var(--about-line);
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.page-about .about-honor__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(90deg, var(--cmp-color-primary), var(--cmp-color-gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}

.page-about .about-honor__card:hover,
.page-about .about-honor__card:focus-within {
  transform: translateY(-8px) rotate(-1.1deg);
  box-shadow: 0 20px 40px rgba(16, 24, 32, 0.14);
  border-color: rgba(255, 208, 47, 0.7);
}

.page-about .about-honor__card:hover::before {
  transform: scaleX(1);
}

.page-about .about-honor__num {
  font-family: var(--cmp-font-display);
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(27, 42, 65, 0.4);
}

.page-about .about-honor__tag {
  display: inline-block;
  align-self: flex-start;
  margin-top: 18px;
  padding: 4px 8px;
  font-family: var(--cmp-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cmp-color-slate);
  border: 1px solid var(--about-line);
}

.page-about .about-honor__tag--gold {
  color: #8a6a00;
  background: var(--about-gold-soft);
  border-color: rgba(255, 208, 47, 0.6);
}

.page-about .about-honor__tag--green {
  color: #2c7a52;
  background: rgba(76, 175, 125, 0.12);
  border-color: rgba(76, 175, 125, 0.5);
}

.page-about .about-honor__title {
  margin: 12px 0 10px;
  font-family: var(--cmp-font-display);
  font-size: 1.18rem;
  font-weight: 700;
  line-height: 1.25;
  text-transform: uppercase;
  color: var(--cmp-color-ink);
}

.page-about .about-honor__desc {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--cmp-color-slate);
}

.page-about .about-honor__social {
  display: grid;
  gap: 36px;
  margin-top: 60px;
  align-items: center;
}

.page-about .about-honor__figure {
  position: relative;
  margin: 0;
}

.page-about .about-honor__figure img {
  display: block;
  width: 100%;
  object-fit: cover;
  border: 1px solid var(--about-line);
  filter: contrast(1.04);
}

.page-about .about-honor__figure figcaption {
  margin-top: 10px;
  font-family: var(--cmp-font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--cmp-color-slate);
}

.page-about .about-honor__statement {
  border-left: 6px solid var(--cmp-color-green);
  padding-left: 24px;
}

.page-about .about-honor__quote {
  margin: 14px 0 14px;
  font-family: var(--cmp-font-display);
  font-size: clamp(1.4rem, 2.6vw, 2.1rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--cmp-color-ink);
}

.page-about .about-honor__text {
  max-width: 40ch;
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--cmp-color-slate);
}

/* ---------- 底部衔接导航 ---------- */
.page-about .about-cta {
  background: var(--cmp-color-deep);
  border-top: 6px solid var(--cmp-color-primary);
}

.page-about .about-cta__inner {
  display: grid;
  gap: 1px;
  padding: 32px 0;
  background: rgba(255, 255, 255, 0.12);
}

.page-about .about-cta__link {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 28px 26px 28px 24px;
  background: var(--cmp-color-deep);
  color: var(--cmp-color-white);
  text-decoration: none;
  transition: background 0.3s ease, transform 0.3s ease;
}

.page-about .about-cta__link:hover {
  background: rgba(255, 74, 61, 0.18);
  transform: translateY(-4px);
}

.page-about .about-cta__num {
  font-family: var(--cmp-font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--cmp-color-gold);
}

.page-about .about-cta__title {
  font-family: var(--cmp-font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.page-about .about-cta__desc {
  max-width: 26ch;
  font-size: 0.85rem;
  line-height: 1.6;
  color: rgba(247, 249, 252, 0.68);
}

.page-about .about-cta__arrow {
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.6rem;
  color: var(--cmp-color-primary);
  transition: transform 0.3s ease;
}

.page-about .about-cta__link:hover .about-cta__arrow {
  transform: translate(6px, -50%);
}

/* ---------- 滚动显现 ---------- */
.page-about [data-reveal] {
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.page-about [data-reveal].is-hidden {
  opacity: 0;
  transform: translateY(26px);
}

/* ---------- 平板适配 ---------- */
@media (min-width: 640px) {
  .page-about .about-manifesto__facts {
    grid-template-columns: 1fr 1fr;
  }

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

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

/* ---------- 桌面适配 ---------- */
@media (min-width: 860px) {
  .page-about .about-wrap {
    width: min(calc(100% - 64px), var(--cmp-container));
  }

  .page-about .about-manifesto {
    padding: 64px 0 96px;
  }

  .page-about .about-manifesto__grid {
    grid-template-columns: 76px minmax(0, 1.15fr) minmax(280px, 0.85fr);
    gap: clamp(24px, 4vw, 56px);
    align-items: start;
  }

  .page-about .about-manifesto__rail {
    position: sticky;
    top: 96px;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    min-height: 260px;
    writing-mode: vertical-rl;
    border-inline-start: 3px solid var(--cmp-color-primary);
    padding-inline-start: 14px;
  }

  .page-about .about-manifesto__figure {
    margin-top: 6px;
  }

  .page-about .about-band {
    padding: 104px 0;
  }

  /* 时间轴居中交替 */
  .page-about .about-timeline {
    padding: 20px 0 8px;
  }

  .page-about .about-timeline__rail {
    left: 50%;
    transform: translateX(-50%);
  }

  .page-about .about-timeline__list {
    display: flex;
    flex-direction: column;
    gap: 40px;
  }

  .page-about .about-timeline__item {
    width: calc(50% - 56px);
    margin-bottom: 0;
    padding-left: 0;
  }

  .page-about .about-timeline__item:nth-child(odd) {
    align-self: flex-start;
    text-align: right;
  }

  .page-about .about-timeline__item:nth-child(even) {
    align-self: flex-end;
    text-align: left;
  }

  .page-about .about-timeline__item::before {
    top: 28px;
    left: auto;
  }

  .page-about .about-timeline__item:nth-child(odd)::before {
    left: calc(100% + 48px);
  }

  .page-about .about-timeline__item:nth-child(even)::before {
    left: -64px;
  }

  .page-about .about-timeline__card {
    border-left: 1px solid var(--about-line);
    border-right: 6px solid var(--cmp-color-primary);
  }

  .page-about .about-timeline__item:nth-child(even) .about-timeline__card {
    border-right: 1px solid var(--about-line);
    border-left: 6px solid var(--cmp-color-primary);
  }

  .page-about .about-capability__content {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: 56px;
    align-items: center;
  }

  .page-about .about-capability__stats > div {
    padding: 34px 24px;
  }

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

  .page-about .about-cta__inner {
    grid-template-columns: repeat(3, 1fr);
    padding: 44px 0 36px;
  }

  .page-about .about-cta__link {
    padding: 32px 30px 32px 28px;
  }
}

/* ---------- 宽屏荣誉四列 ---------- */
@media (min-width: 1080px) {
  .page-about .about-honor__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ---------- 减弱动态效果 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-about [data-reveal],
  .page-about .about-honor__card,
  .page-about .about-cta__link,
  .page-about .about-cta__arrow {
    transition: none;
  }

  .page-about [data-reveal].is-hidden {
    opacity: 1;
    transform: none;
  }
}