.page-about {
  --pa-navy: #0B1E3F;
  --pa-green: #00E5A0;
  --pa-orange: #FF6B35;
  --pa-bg: #F2F5F8;
  --pa-light: #FFFFFF;
  --pa-text: #0B1E3F;
  --pa-muted: #7A8B99;
  --pa-border: #E0E6ED;
  --pa-deep: #07152B;

  font-family: var(--fh-font-body);
  background: var(--pa-bg);
  color: var(--pa-text);
  line-height: 1.7;
  overflow-x: hidden;
}

.page-about .fh-container {
  max-width: var(--fh-container);
  margin-inline: auto;
  padding-inline: 20px;
}

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

/* 面包屑 */
.page-about .fh-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 16px 0;
  font-size: 14px;
  color: var(--pa-muted);
  border-bottom: 1px solid var(--pa-border);
}

.page-about .fh-breadcrumb a {
  color: var(--pa-navy);
  font-weight: 600;
  text-decoration: none;
  transition: color var(--fh-transition);
}

.page-about .fh-breadcrumb a:hover {
  color: var(--pa-green);
}

.page-about .fh-breadcrumb [aria-current="page"] {
  color: var(--pa-muted);
  font-weight: 700;
}

/* 区块通用标题 */
.page-about .about-section-head {
  max-width: 720px;
  margin-bottom: 40px;
}

.page-about .about-section-head--center {
  margin-inline: auto;
  text-align: center;
}

.page-about .about-section-eyebrow {
  display: inline-block;
  margin-bottom: 10px;
  padding: 4px 12px;
  background: var(--pa-navy);
  color: var(--pa-green);
  font-family: var(--fh-font-heading);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.page-about .about-section-head h2 {
  margin: 0 0 12px;
  font-family: var(--fh-font-heading);
  font-size: clamp(1.75rem, 4vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--pa-navy);
}

.page-about .about-section-head p:last-child {
  margin: 0;
  font-size: 16px;
  color: var(--pa-muted);
}

/* Hero */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  background: var(--pa-navy);
  color: var(--pa-light);
  padding: 48px 0 72px;
  isolation: isolate;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 85% 0%, rgba(0, 229, 160, 0.32) 0%, transparent 42%),
    linear-gradient(0deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: auto, 40px 40px, 40px 40px;
  transform: skewY(-2deg);
  transform-origin: top left;
}

.page-about .about-hero::after {
  content: "FH";
  position: absolute;
  right: -30px;
  bottom: -80px;
  font-family: var(--fh-font-heading);
  font-size: 260px;
  font-weight: 900;
  line-height: 1;
  color: rgba(255, 255, 255, 0.03);
  pointer-events: none;
  z-index: 0;
}

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

.page-about .about-hero__eyebrow {
  margin: 0 0 16px;
  color: var(--pa-green);
  font-family: var(--fh-font-heading);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 3px;
  text-transform: uppercase;
}

.page-about .about-hero h1 {
  margin: 0 0 20px;
  font-family: var(--fh-font-heading);
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--pa-light);
}

.page-about .about-hero__lead {
  max-width: 640px;
  margin: 0 0 28px;
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.78);
}

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

.page-about .about-hero .fh-btn--secondary {
  border-color: rgba(255, 255, 255, 0.75);
  color: var(--pa-light);
  background: transparent;
}

.page-about .about-hero__stats {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 36px;
}

.page-about .about-hero__stat {
  position: relative;
  padding: 18px 16px;
  background: rgba(255, 255, 255, 0.07);
  border-left: 3px solid var(--pa-green);
}

.page-about .about-hero__stat--accent {
  border-left-color: var(--pa-orange);
}

.page-about .about-hero__num {
  display: block;
  font-family: var(--fh-font-heading);
  font-size: clamp(1.75rem, 5vw, 2.8rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--pa-light);
}

.page-about .about-hero__unit {
  margin-left: 2px;
  font-size: 0.55em;
  color: var(--pa-green);
}

.page-about .about-hero__label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.65);
}

/* 品牌故事与发展历程 */
.page-about .about-story {
  padding: var(--fh-section-space) 0;
  background: var(--pa-bg);
}

.page-about .about-story__layout {
  display: grid;
  gap: 40px;
}

.page-about .about-story__image {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--pa-navy);
}

.page-about .about-story__image::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 62%, rgba(0, 229, 160, 0.18) 62%);
  pointer-events: none;
}

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

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 7px;
  width: 2px;
  background: linear-gradient(180deg, var(--pa-green), var(--pa-navy), var(--pa-orange));
}

.page-about .about-timeline__item {
  position: relative;
  padding-left: 40px;
  padding-bottom: 32px;
}

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

.page-about .about-timeline__dot {
  position: absolute;
  top: 28px;
  left: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--pa-green);
  box-shadow: 0 0 0 4px var(--pa-bg);
}

.page-about .about-timeline__card {
  padding: 22px;
  background: var(--pa-light);
  border: 1px solid var(--pa-border);
  border-radius: 8px;
  transition: transform var(--fh-transition), box-shadow var(--fh-transition), border-color var(--fh-transition);
}

.page-about .about-timeline__card:hover {
  transform: translateX(6px);
  border-color: var(--pa-navy);
  box-shadow: 8px 8px 0 -2px var(--pa-navy);
}

.page-about .about-timeline__year {
  display: inline-block;
  margin-bottom: 10px;
  padding: 2px 10px;
  background: var(--pa-navy);
  color: var(--pa-green);
  font-family: var(--fh-font-heading);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.page-about .about-timeline__card h3 {
  margin: 0 0 8px;
  font-family: var(--fh-font-heading);
  font-size: 18px;
  color: var(--pa-navy);
}

.page-about .about-timeline__card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--pa-muted);
}

/* 价值观与服务理念 */
.page-about .about-values {
  padding: var(--fh-section-space) 0;
  background: var(--pa-light);
}

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

.page-about .about-value {
  position: relative;
  padding: 32px 24px 28px;
  border: 1px solid var(--pa-border);
  background: var(--pa-light);
  transition: transform var(--fh-transition), box-shadow var(--fh-transition), border-color var(--fh-transition);
}

.page-about .about-value:hover {
  transform: translateY(-4px);
  border-color: var(--pa-navy);
  box-shadow: 6px 6px 0 rgba(11, 30, 63, 0.08);
}

.page-about .about-value__num {
  position: absolute;
  top: 8px;
  right: 14px;
  font-family: var(--fh-font-heading);
  font-size: 52px;
  font-weight: 900;
  line-height: 1;
  color: rgba(11, 30, 63, 0.06);
}

.page-about .about-value h3 {
  position: relative;
  margin: 0 0 12px;
  padding-bottom: 10px;
  font-family: var(--fh-font-heading);
  font-size: 18px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--pa-navy);
}

.page-about .about-value h3::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 3px;
  background: var(--pa-orange);
}

.page-about .about-value p {
  margin: 0;
  font-size: 15px;
  color: var(--pa-muted);
}

/* 数据能力 */
.page-about .about-data {
  padding: var(--fh-section-space) 0;
  background: var(--pa-navy);
  color: var(--pa-light);
}

.page-about .about-data .about-section-eyebrow {
  background: var(--pa-green);
  color: var(--pa-navy);
}

.page-about .about-data .about-section-head h2 {
  color: var(--pa-light);
}

.page-about .about-data .about-section-head p:last-child {
  color: rgba(255, 255, 255, 0.68);
}

.page-about .about-data__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 40px 0;
}

.page-about .about-data__stat {
  padding: 28px 16px;
  background: rgba(255, 255, 255, 0.05);
  border-top: 3px solid var(--pa-orange);
  text-align: center;
}

.page-about .about-data__stat:nth-child(2n) {
  border-top-color: var(--pa-green);
}

.page-about .about-data__num {
  display: block;
  font-family: var(--fh-font-heading);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--pa-green);
}

.page-about .about-data__label {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.72);
}

.page-about .about-data__chart {
  display: grid;
  gap: 24px;
  align-items: center;
}

.page-about .about-data__chart img {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.page-about .about-data__note {
  padding: 26px 24px;
  background: rgba(255, 255, 255, 0.06);
  border-left: 4px solid var(--pa-green);
}

.page-about .about-data__note-title {
  display: block;
  margin-bottom: 8px;
  font-family: var(--fh-font-heading);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pa-green);
}

.page-about .about-data__note p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.8);
}

/* 资质与认证 */
.page-about .about-qualifications {
  padding: var(--fh-section-space) 0;
  background: var(--pa-light);
}

.page-about .about-qualifications__grid {
  display: grid;
  gap: 24px;
  max-width: 800px;
}

.page-about .about-qualification {
  display: flex;
  gap: 20px;
  padding: 28px 24px;
  background: var(--pa-bg);
  border: 1px solid var(--pa-border);
  border-left: 6px solid var(--pa-navy);
  transition: transform var(--fh-transition), border-color var(--fh-transition), box-shadow var(--fh-transition);
}

.page-about .about-qualification:hover {
  transform: translateX(6px);
  border-left-color: var(--pa-green);
  box-shadow: 8px 8px 0 rgba(11, 30, 63, 0.06);
}

.page-about .about-qualification__badge {
  flex: 0 0 auto;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--pa-navy);
  color: var(--pa-green);
  font-family: var(--fh-font-heading);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.04em;
  clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}

.page-about .about-qualification h3 {
  margin: 0 0 8px;
  font-family: var(--fh-font-heading);
  font-size: 18px;
  color: var(--pa-navy);
}

.page-about .about-qualification p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--pa-muted);
}

/* 合作生态 */
.page-about .about-partners {
  padding: var(--fh-section-space) 0;
  background: var(--pa-bg);
}

.page-about .about-partners > .fh-container > p {
  max-width: 640px;
  margin: 0 0 28px;
  font-size: 16px;
  color: var(--pa-muted);
}

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

.page-about .about-partners__tag {
  padding: 12px 22px;
  background: var(--pa-light);
  border: 1px solid var(--pa-border);
  border-radius: 0 14px 0 14px;
  font-family: var(--fh-font-heading);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--pa-navy);
  transition: background var(--fh-transition), color var(--fh-transition), border-color var(--fh-transition);
}

.page-about .about-partners__tag:hover {
  background: var(--pa-navy);
  border-color: var(--pa-navy);
  color: var(--pa-green);
}

/* 荣誉与行业认可 */
.page-about .about-awards {
  padding: var(--fh-section-space) 0;
  background: var(--pa-navy);
  color: var(--pa-light);
}

.page-about .about-awards .about-section-head h2 {
  color: var(--pa-light);
}

.page-about .about-awards__grid {
  display: grid;
  gap: 24px;
}

.page-about .about-award {
  position: relative;
  display: flex;
  gap: 20px;
  align-items: center;
  padding: 32px 28px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  overflow: hidden;
  transition: background var(--fh-transition), transform var(--fh-transition);
}

.page-about .about-award:hover {
  background: rgba(255, 255, 255, 0.09);
  transform: translateY(-4px);
}

.page-about .about-award__medal {
  flex: 0 0 auto;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--pa-orange);
  color: var(--pa-navy);
  font-family: var(--fh-font-heading);
  font-size: 26px;
  border-radius: 50%;
  box-shadow: 0 0 0 6px rgba(255, 107, 53, 0.2);
  transition: transform var(--fh-transition);
}

.page-about .about-award:hover .about-award__medal {
  transform: rotate(12deg) scale(1.06);
}

.page-about .about-award__content h3 {
  margin: 0 0 8px;
  font-family: var(--fh-font-heading);
  font-size: 20px;
  color: var(--pa-green);
}

.page-about .about-award__content p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.8);
}

/* 团队规模 */
.page-about .about-team {
  padding: var(--fh-section-space) 0;
  background: var(--pa-light);
}

.page-about .about-team__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 36px;
}

.page-about .about-team__stat {
  position: relative;
  padding: 36px 16px 32px;
  background: var(--pa-navy);
  color: var(--pa-light);
  text-align: center;
  overflow: hidden;
  transition: transform var(--fh-transition);
}

.page-about .about-team__stat:hover {
  transform: scale(1.02);
}

.page-about .about-team__stat::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  width: 32%;
  background: linear-gradient(135deg, var(--pa-green) 0%, transparent 90%);
  opacity: 0.16;
  pointer-events: none;
}

.page-about .about-team__num {
  display: block;
  font-family: var(--fh-font-heading);
  font-size: clamp(3rem, 9vw, 5.5rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--pa-green);
}

.page-about .about-team__label {
  display: block;
  margin-top: 10px;
  font-size: 14px;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.75);
}

.page-about .about-team__photo {
  max-width: 900px;
  margin-inline: auto;
  border: 1px solid var(--pa-border);
}

.page-about .about-team__photo img {
  width: 100%;
}

/* 桌面端布局增强 */
@media (min-width: 768px) {
  .page-about .about-hero {
    padding: 80px 0 96px;
  }

  .page-about .about-hero .fh-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: end;
  }

  .page-about .about-hero__content {
    padding-right: 24px;
  }

  .page-about .about-hero__stats {
    margin-top: 0;
  }

  .page-about .about-story__layout {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 48px;
    align-items: start;
  }

  .page-about .about-story__image {
    position: sticky;
    top: 96px;
    align-self: start;
  }

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

  .page-about .about-data__stats {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }

  .page-about .about-data__chart {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 32px;
  }

  .page-about .about-qualifications__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }

  .page-about .about-partners > .fh-container > p {
    max-width: 60%;
  }

  .page-about .about-awards__grid {
    max-width: 720px;
  }

  .page-about .about-team__grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 680px;
    margin-inline: auto;
    gap: 24px;
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero__lead {
    font-size: 18px;
  }

  .page-about .about-hero__stat {
    padding: 24px 20px;
  }

  .page-about .about-value {
    padding: 36px 28px 32px;
  }

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