.page-about {
  --about-line: rgba(212, 175, 55, 0.45);
  --about-deep: #071330;
  --about-navy-soft: #12305F;
  --about-ink-muted: #8E9AAB;
  --about-card-bg: rgba(255, 255, 255, 0.96);
}

.page-about {
  color: var(--ax-text);
}

/* 首屏 */
.page-about .about-hero {
  background: linear-gradient(135deg, var(--ax-navy-deep) 0%, var(--ax-navy) 72%, var(--ax-navy-hover) 100%);
  padding: 72px 0 96px;
  position: relative;
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    115deg,
    transparent 0px,
    transparent 210px,
    rgba(212, 175, 55, 0.08) 210px,
    rgba(212, 175, 55, 0.08) 212px
  );
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -80px;
  width: 360px;
  height: 360px;
  border: 1px solid rgba(212, 175, 55, 0.28);
  transform: rotate(18deg);
  border-radius: 12px;
  pointer-events: none;
}

.page-about .about-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  position: relative;
  z-index: 1;
}

.page-about .about-hero__visual {
  position: relative;
  min-height: 260px;
}

.page-about .about-hero__img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: var(--ax-radius-sm);
  display: block;
  filter: saturate(0.85) contrast(1.05);
}

.page-about .about-hero__slash {
  position: absolute;
  top: 24px;
  right: -16px;
  width: 48px;
  height: 100%;
  background: var(--ax-gold);
  clip-path: polygon(32% 0%, 100% 0%, 68% 100%, 0% 100%);
  z-index: 2;
}

.page-about .about-hero__content {
  color: var(--ax-text);
}

.page-about .about-hero__title {
  font-family: var(--ax-font-heading);
  font-size: clamp(44px, 9vw, 76px);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.02;
  margin: 12px 0 24px;
}

.page-about .about-hero__title-accent {
  color: var(--ax-gold);
  font-size: 0.55em;
  vertical-align: middle;
  margin-left: 6px;
}

.page-about .about-hero__lead {
  font-family: var(--ax-font-body);
  font-size: 17px;
  line-height: 1.75;
  max-width: 580px;
  color: var(--ax-text-dim);
  margin-bottom: 36px;
}

.page-about .about-hero__index {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(212, 175, 55, 0.24);
  border: 1px solid rgba(212, 175, 55, 0.24);
  border-radius: var(--ax-radius-sm);
  overflow: hidden;
}

.page-about .about-hero__index-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 14px;
  background: var(--ax-navy);
  color: var(--ax-text);
  text-decoration: none;
  transition: background-color 0.2s ease;
}

.page-about .about-hero__index-item:hover {
  background: var(--ax-navy-hover);
}

.page-about .about-hero__index-num {
  font-family: var(--ax-font-heading);
  font-size: 15px;
  color: var(--ax-gold);
  letter-spacing: 0.04em;
}

.page-about .about-hero__index-text {
  font-family: var(--ax-font-body);
  font-size: 14px;
  color: var(--ax-text-dim);
}

/* 我们是谁 */
.page-about .about-who {
  background: var(--ax-bg);
  padding: 88px 0 76px;
}

.page-about .about-who__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
  max-width: var(--ax-container);
  margin: 0 auto;
}

.page-about .about-who__heading {
  font-family: var(--ax-font-heading);
  font-size: clamp(34px, 6vw, 52px);
  line-height: 1.1;
  margin: 10px 0 16px;
  color: var(--ax-ink);
  letter-spacing: 0.02em;
}

.page-about .about-who__lead {
  font-size: 17px;
  color: var(--ax-muted);
  line-height: 1.7;
  max-width: 360px;
}

.page-about .about-who__copy p {
  font-size: 15px;
  line-height: 1.8;
  color: #3B4657;
  margin-bottom: 18px;
}

.page-about .about-who__crumb {
  margin-top: 28px;
}

.page-about .about-who__crumb .ax-breadcrumb__link {
  color: var(--ax-navy);
  text-decoration: none;
  font-weight: 600;
}

.page-about .about-who__crumb .ax-breadcrumb__item + .ax-breadcrumb__item::before {
  content: "→";
  margin: 0 8px;
  color: var(--ax-gold-deep);
}

/* 发展里程碑 */
.page-about .about-milestones {
  background: var(--ax-navy);
  padding: 88px 0 88px;
  position: relative;
  overflow: hidden;
}

.page-about .about-milestones::before {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(212, 175, 55, 0.18);
  transform: rotate(30deg);
  left: -100px;
  top: 40px;
}

.page-about .about-milestones__header {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 40px;
  max-width: var(--ax-container);
  margin-left: auto;
  margin-right: auto;
  padding: 0 24px;
}

.page-about .about-milestones__heading {
  font-family: var(--ax-font-heading);
  font-size: clamp(34px, 6vw, 52px);
  color: var(--ax-text);
  line-height: 1.1;
  letter-spacing: 0.02em;
}

.page-about .about-milestones__note {
  font-size: 13px;
  color: var(--ax-text-dim);
  letter-spacing: 0.03em;
}

.page-about .about-timeline {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding: 12px 0 20px;
}

.page-about .about-timeline__track {
  display: flex;
  gap: 18px;
  width: max-content;
  padding: 0 24px;
  min-width: 100%;
}

.page-about .about-timeline__item {
  position: relative;
  flex: 0 0 280px;
  min-height: 260px;
  padding: 32px 22px 22px;
  border-radius: var(--ax-radius-sm);
  background: var(--ax-surface);
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.page-about .about-timeline__item:hover {
  box-shadow: var(--ax-shadow);
  transform: translateY(-4px);
}

.page-about .about-timeline__year {
  font-family: var(--ax-font-heading);
  font-size: 40px;
  font-weight: 600;
  color: var(--ax-navy);
  letter-spacing: 0.02em;
  line-height: 1;
  margin-bottom: 14px;
}

.page-about .about-timeline__title {
  font-family: var(--ax-font-heading);
  font-size: 20px;
  color: var(--ax-ink);
  margin-bottom: 10px;
  letter-spacing: 0.02em;
}

.page-about .about-timeline__text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ax-muted);
  flex: 1;
}

.page-about .about-timeline__tag {
  align-self: flex-start;
  margin-top: 16px;
  font-size: 12px;
  padding: 4px 10px;
}

.page-about .about-timeline__item::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 62px;
  height: 6px;
  border-radius: 0 0 var(--ax-radius-sm) 0;
  background: var(--ax-gold);
}

.page-about .about-timeline::-webkit-scrollbar {
  height: 6px;
}

.page-about .about-timeline::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
}

.page-about .about-timeline::-webkit-scrollbar-thumb {
  background: var(--ax-gold);
  border-radius: 4px;
}

/* 数据能力 */
.page-about .about-capability {
  background: var(--ax-bg);
  padding: 88px 0;
}

.page-about .about-capability__header {
  max-width: var(--ax-container);
  margin: 0 auto 36px;
  padding: 0 24px;
}

.page-about .about-capability__heading {
  font-family: var(--ax-font-heading);
  font-size: clamp(34px, 6vw, 52px);
  color: var(--ax-ink);
  line-height: 1.1;
  letter-spacing: 0.02em;
}

.page-about .about-capability__wrap {
  position: relative;
  max-width: var(--ax-container);
  margin: 0 auto;
  padding: 0 24px;
}

.page-about .about-capability__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--ax-radius-sm);
  z-index: 0;
  opacity: 0.14;
}

.page-about .about-capability__wrap::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--ax-radius-sm);
  background: linear-gradient(135deg, var(--ax-navy) 0%, var(--ax-navy-hover) 100%);
  z-index: 1;
}

.page-about .about-capability__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding: 28px;
}

.page-about .about-capability__card {
  background: rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(2px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 24px 20px;
  border-radius: var(--ax-radius-sm);
  color: var(--ax-text);
}

.page-about .about-capability__num {
  display: block;
  font-family: var(--ax-font-heading);
  font-size: 34px;
  font-weight: 600;
  color: var(--ax-gold);
  letter-spacing: 0.02em;
  margin-bottom: 8px;
}

.page-about .about-capability__name {
  font-family: var(--ax-font-heading);
  font-size: 16px;
  letter-spacing: 0.02em;
  margin-bottom: 8px;
  color: var(--ax-text);
}

.page-about .about-capability__desc {
  font-size: 13px;
  line-height: 1.65;
  color: var(--ax-text-dim);
  margin: 0;
}

.page-about .about-capability__bars {
  position: relative;
  z-index: 2;
  padding: 0 28px 30px;
  display: grid;
  gap: 16px;
}

.page-about .about-capability__bar-row {
  display: grid;
  grid-template-columns: 110px 1fr 46px;
  gap: 12px;
  align-items: center;
  font-size: 13px;
  color: var(--ax-text-dim);
}

.page-about .about-capability__bar-label {
  text-align: right;
}

.page-about .about-capability__bar-track {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  height: 8px;
  overflow: hidden;
}

.page-about .about-capability__bar-fill {
  display: block;
  height: 100%;
  border-radius: 20px;
  background: linear-gradient(90deg, var(--ax-gold-deep), var(--ax-gold-light));
  animation: about-bar-grow 1.2s ease both 0.4s;
}

.page-about .about-capability__bar-value {
  font-family: var(--ax-font-heading);
  color: var(--ax-gold);
  font-size: 14px;
}

@keyframes about-bar-grow {
  from {
    width: 0;
  }
}

/* 资质荣誉 */
.page-about .about-honors {
  background: var(--ax-surface);
  padding: 88px 0;
}

.page-about .about-honors__inner {
  max-width: var(--ax-container);
  margin: 0 auto;
  padding: 0 24px;
}

.page-about .about-honors__heading {
  font-family: var(--ax-font-heading);
  font-size: clamp(34px, 6vw, 52px);
  color: var(--ax-ink);
  line-height: 1.1;
  letter-spacing: 0.02em;
  margin-bottom: 40px;
}

.page-about .about-honors__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-about .about-honors__item {
  background: var(--ax-bg);
  padding: 32px 26px;
  border-radius: var(--ax-radius-sm);
  border-left: 4px solid var(--ax-gold);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-about .about-honors__item:hover {
  transform: translateY(-3px);
  box-shadow: var(--ax-shadow);
}

.page-about .about-honors__icon {
  display: inline-block;
  width: 42px;
  height: 42px;
  margin-bottom: 18px;
  background: linear-gradient(135deg, var(--ax-gold), var(--ax-gold-deep));
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
}

.page-about .about-honors__icon--alt {
  background: linear-gradient(135deg, var(--ax-green), #1C8A6B);
}

.page-about .about-honors__icon--solid {
  background: linear-gradient(135deg, var(--ax-navy), var(--ax-navy-hover));
  border-radius: 50%;
  clip-path: none;
}

.page-about .about-honors__name {
  font-family: var(--ax-font-heading);
  font-size: 18px;
  color: var(--ax-ink);
  letter-spacing: 0.02em;
  margin-bottom: 8px;
}

.page-about .about-honors__text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ax-muted);
  margin: 0;
}

/* 服务承诺 */
.page-about .about-promise {
  background: var(--ax-navy);
  padding: 92px 0;
  position: relative;
  overflow: hidden;
}

.page-about .about-promise::after {
  content: "";
  position: absolute;
  width: 500px;
  height: 500px;
  right: 20px;
  top: -260px;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.18) 0%, transparent 68%);
  pointer-events: none;
}

.page-about .about-promise__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  max-width: var(--ax-container);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

.page-about .about-promise__heading {
  font-family: var(--ax-font-heading);
  font-size: clamp(32px, 5vw, 46px);
  color: var(--ax-text);
  line-height: 1.15;
  letter-spacing: 0.02em;
  margin-bottom: 20px;
}

.page-about .about-promise__text {
  font-size: 16px;
  line-height: 1.8;
  color: var(--ax-text-dim);
  margin-bottom: 36px;
  max-width: 480px;
}

.page-about .about-promise__list {
  list-style: none;
  margin: 0 0 36px;
  padding: 0;
  display: grid;
  gap: 22px;
  max-width: 520px;
}

.page-about .about-promise__list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
}

.page-about .about-promise__list strong {
  display: block;
  font-family: var(--ax-font-heading);
  font-size: 17px;
  color: var(--ax-gold);
  letter-spacing: 0.04em;
}

.page-about .about-promise__list span {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ax-text-dim);
}

.page-about .about-promise__btn {
  display: inline-block;
  padding: 12px 30px;
  font-size: 14px;
}

.page-about .about-promise__visual {
  position: relative;
  min-height: 280px;
}

.page-about .about-promise__img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: var(--ax-radius-sm);
  display: block;
  filter: grayscale(0.4) contrast(1.08);
}

.page-about .about-promise__line {
  position: absolute;
  right: -16px;
  bottom: 24px;
  width: 6px;
  height: 100%;
  background: var(--ax-gold);
  border-radius: 4px;
}

.page-about .about-promise__ghost-btn {
  display: inline-block;
  padding: 12px 24px;
  font-size: 14px;
  margin-top: 22px;
  margin-right: 14px;
  background: transparent;
  color: var(--ax-text);
}

/* 数据速览 */
.page-about .about-stats {
  background: var(--ax-bg);
  padding: 64px 0;
}

.page-about .about-stats__band {
  background: var(--ax-surface);
  border-radius: var(--ax-radius-sm);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background-color: var(--ax-line);
  border: 1px solid var(--ax-line);
  margin-bottom: 44px;
}

.page-about .about-stats__item {
  background: var(--ax-surface);
  padding: 28px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
  text-align: center;
}

.page-about .about-stats__num {
  font-family: var(--ax-font-heading);
  font-size: 36px;
  font-weight: 600;
  color: var(--ax-navy);
  letter-spacing: 0.02em;
}

.page-about .about-stats__label {
  font-size: 13px;
  color: var(--ax-muted);
  letter-spacing: 0.04em;
}

.page-about .about-stats__cta {
  text-align: center;
}

.page-about .about-stats__cta-text {
  font-size: 15px;
  color: var(--ax-muted);
  margin-bottom: 10px;
}

.page-about .about-stats__cta-link a {
  color: var(--ax-navy);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid var(--ax-gold);
  padding-bottom: 2px;
  transition: color 0.2s ease;
}

.page-about .about-stats__cta-link a:hover {
  color: var(--ax-gold-deep);
}

/* 桌面端 */
@media (min-width: 768px) {
  .page-about .about-hero__inner {
    grid-template-columns: 5fr 7fr;
    align-items: center;
    gap: 64px;
  }

  .page-about .about-hero__img {
    height: 420px;
  }

  .page-about .about-hero__visual {
    min-height: 420px;
  }

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

  .page-about .about-hero__index-item {
    padding: 20px 14px;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .page-about .about-who__grid {
    grid-template-columns: 1fr 1.4fr;
    gap: 72px;
  }

  .page-about .about-timeline__track {
    padding: 0 32px;
    gap: 24px;
  }

  .page-about .about-timeline__item {
    flex-basis: 300px;
  }

  .page-about .about-capability__grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    padding: 40px;
  }

  .page-about .about-capability__bars {
    grid-template-columns: 1fr;
    padding: 0 40px 36px;
    gap: 18px;
  }

  .page-about .about-honors__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .page-about .about-promise__grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 64px;
    align-items: center;
  }

  .page-about .about-promise__img {
    height: 340px;
  }

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

  .page-about .about-stats__item {
    padding: 36px 20px;
  }

  .page-about .about-stats__num {
    font-size: 44px;
  }
}

@media (min-width: 1200px) {
  .page-about .about-hero {
    padding: 96px 0 110px;
  }

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

  .page-about .about-capability__bars {
    grid-template-columns: repeat(3, 1fr);
    gap: 36px;
    padding-right: 40px;
  }

  .page-about .about-capability__bar-row {
    grid-template-columns: 100px 1fr 40px;
  }
}