.page-about {
  --about-pad-y: 72px;
  --about-pad-y-lg: 128px;
  --about-bd: rgba(57, 255, 136, .16);
  --about-card-bd: rgba(255, 255, 255, .07);
  background: var(--c-deep);
  color: var(--c-text-light);
  overflow-x: hidden;
}

.page-about .container {
  max-width: var(--container);
}

/* ============ Hero 首屏 ============ */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 48px) 0 56px;
  border-bottom: 1px solid var(--about-bd);
  background:
    radial-gradient(ellipse at 82% 16%, rgba(57, 255, 136, .12), transparent 46%),
    radial-gradient(ellipse at 8% 92%, rgba(255, 107, 53, .12), transparent 42%),
    linear-gradient(128deg, var(--c-deep) 0%, var(--c-blue) 100%);
}

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

.page-about .about-hero__shape {
  position: absolute;
  top: 14%;
  right: -12%;
  width: 56%;
  height: 48%;
  border-radius: 32px;
  background: linear-gradient(135deg, rgba(57, 255, 136, .18), rgba(255, 107, 53, .05) 70%);
  transform: skewX(-18deg) rotate(-4deg);
  pointer-events: none;
  z-index: 0;
}

.page-about .about-hero .breadcrumb {
  margin-bottom: 48px;
}

.page-about .about-hero__grid {
  display: grid;
  gap: 28px;
}

.page-about .about-hero__kicker {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--c-green);
  text-transform: uppercase;
  margin: 0 0 18px;
}

.page-about .about-hero__title {
  margin: 0;
  font-size: clamp(40px, 11vw, 96px);
  line-height: 1.04;
  letter-spacing: -0.03em;
  font-weight: 800;
}

.page-about .about-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 22px;
  margin-top: 36px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-text-muted);
}

.page-about .about-hero__meta-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-about .about-hero__meta-item::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-orange);
  flex: 0 0 auto;
}

.page-about .about-hero__aside {
  max-width: 420px;
  padding-left: 18px;
  border-left: 2px solid var(--c-green);
}

.page-about .about-hero__aside-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--c-orange);
  margin: 0 0 10px;
}

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

.page-about .about-hero__chapters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 52px;
  padding-top: 24px;
  border-top: 1px solid var(--about-bd);
}

.page-about .about-hero__chapter {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .12);
  color: var(--c-text-light);
  font-family: var(--font-mono);
  font-size: 12px;
  text-decoration: none;
  transition: border-color .3s var(--ease), background .3s var(--ease), transform .3s var(--ease);
}

.page-about .about-hero__chapter span {
  color: var(--c-green);
}

.page-about .about-hero__chapter:hover {
  border-color: var(--c-green);
  background: rgba(57, 255, 136, .08);
  transform: translateY(-2px);
}

/* ============ 通用区块间距 ============ */
.page-about .about-intro,
.page-about .about-milestones,
.page-about .about-team,
.page-about .about-honors,
.page-about .about-partners {
  padding: var(--about-pad-y) 0;
}

/* ============ 01 品牌介绍 ============ */
.page-about .about-intro {
  background: var(--c-deep);
}

.page-about .about-intro__grid {
  display: grid;
  gap: 40px;
  margin-top: 48px;
}

.page-about .about-intro__content p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-text-muted);
}

.page-about .about-intro__lead {
  font-size: 18px !important;
  line-height: 1.75 !important;
  color: var(--c-text-light) !important;
  font-weight: 500;
}

.page-about .about-intro__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.page-about .about-intro__visual {
  position: relative;
}

.page-about .about-intro__frame {
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, .08);
  background: var(--c-blue);
  transform: rotate(1.6deg);
  overflow: hidden;
}

.page-about .about-intro__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .about-intro__panel {
  position: absolute;
  right: 10px;
  bottom: 28px;
  width: min(240px, 70%);
  transform: rotate(-2deg);
  background: rgba(11, 27, 61, .88);
  border: 1px solid var(--about-bd);
  backdrop-filter: blur(8px);
}

.page-about .about-intro__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 64px;
}

.page-about .about-stat-card {
  display: block;
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--about-card-bd);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  transition: background .3s var(--ease), border-color .3s var(--ease), transform .3s var(--ease);
}

.page-about .about-stat-card:hover {
  background: rgba(57, 255, 136, .06);
  border-color: var(--c-glow);
  transform: translateY(-4px);
}

.page-about .about-stat-card .stat__value {
  font-size: clamp(28px, 5vw, 42px);
}

/* ============ 02 发展里程碑 ============ */
.page-about .about-milestones {
  background: linear-gradient(180deg, var(--c-deep) 0%, #0C2247 55%, var(--c-deep) 100%);
}

.page-about .about-milestones__list {
  margin-top: 56px;
}

.page-about .about-milestones__item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 18px;
  padding-bottom: 42px;
}

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

.page-about .about-milestones__rail {
  position: relative;
  display: flex;
  justify-content: center;
}

.page-about .about-milestones__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--c-green);
  box-shadow: 0 0 0 6px rgba(57, 255, 136, .14), 0 0 18px var(--c-glow);
  z-index: 1;
}

.page-about .about-milestones__line {
  position: absolute;
  top: 16px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--c-glow), rgba(57, 255, 136, .06));
}

.page-about .about-milestones__item:last-child .about-milestones__line {
  display: none;
}

.page-about .about-milestones__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--c-orange);
  margin-bottom: 10px;
}

.page-about .about-milestones__title {
  margin: 0 0 10px;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.page-about .about-milestones__text {
  margin: 0;
  max-width: 560px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text-muted);
}

/* ============ 03 团队与组织形态 ============ */
.page-about .about-team {
  background: var(--c-bg-light);
  color: var(--c-text-dark);
}

.page-about .about-team .section-head__title {
  color: var(--c-text-dark);
}

.page-about .about-team .section-head__note,
.page-about .about-team .section-head__note p {
  color: rgba(11, 27, 61, .72);
}

.page-about .about-team__grid {
  display: grid;
  gap: 40px;
  margin-top: 48px;
}

.page-about .about-team__lead {
  margin: 0;
  font-size: 17px;
  line-height: 1.75;
  color: rgba(11, 27, 61, .82);
}

.page-about .about-team__roles {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.page-about .about-team__role {
  display: flex;
  gap: 16px;
  padding: 22px;
  background: #fff;
  border: 1px solid rgba(11, 27, 61, .08);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(11, 27, 61, .04);
}

.page-about .about-team__role-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-orange);
  flex: 0 0 auto;
}

.page-about .about-team__role-title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--c-text-dark);
}

.page-about .about-team__role-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: rgba(11, 27, 61, .72);
}

.page-about .about-team__visual {
  position: relative;
  margin-top: 8px;
}

.page-about .about-team__frame {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(11, 27, 61, .08);
  box-shadow: var(--shadow-lg);
  transform: rotate(-1.5deg);
}

.page-about .about-team__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .about-team__badge {
  position: absolute;
  left: -10px;
  bottom: 24px;
  max-width: 240px;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--c-green);
  background: var(--c-deep);
  color: var(--c-text-light);
}

.page-about .about-team__badge-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--c-green);
}

.page-about .about-team__badge-label {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--c-text-muted);
}

/* ============ 04 资质与荣誉 ============ */
.page-about .about-honors {
  background: var(--c-deep);
}

.page-about .about-honors__grid {
  display: grid;
  gap: 18px;
  margin-top: 48px;
}

.page-about .about-honors__card {
  padding: 28px 26px;
  border: 1px solid var(--about-card-bd);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, .04);
  transition: background .3s var(--ease), border-color .3s var(--ease), transform .3s var(--ease);
}

.page-about .about-honors__card:hover {
  background: rgba(57, 255, 136, .05);
  border-color: var(--c-glow);
  transform: translateY(-4px);
}

.page-about .about-honors__card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  margin-bottom: 18px;
  border-radius: 12px;
  background: rgba(57, 255, 136, .12);
  color: var(--c-green);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
}

.page-about .about-honors__card-title {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
}

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

.page-about .about-honors__visual {
  display: flex;
  justify-content: center;
  margin-top: 32px;
}

.page-about .about-honors__img {
  display: block;
  width: 100%;
  max-width: 560px;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--about-card-bd);
}

/* ============ 05 合作伙伴 ============ */
.page-about .about-partners {
  background:
    radial-gradient(ellipse at 12% 20%, rgba(255, 107, 53, .08), transparent 42%),
    linear-gradient(180deg, #0C2149 0%, var(--c-deep) 100%);
}

.page-about .about-partners__quote {
  margin: 48px 0 32px;
  padding: 28px 0;
  border-top: 1px solid var(--about-bd);
  border-bottom: 1px solid var(--about-bd);
}

.page-about .about-partners__quote-text {
  margin: 0 0 10px;
  max-width: 720px;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.4;
  font-weight: 600;
}

.page-about .about-partners__quote-meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-text-muted);
}

.page-about .about-partners__rows {
  display: grid;
  gap: 0;
}

.page-about .about-partners__row {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  padding: 28px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.page-about .about-partners__row:first-child {
  border-top: 1px solid rgba(255, 255, 255, .08);
}

.page-about .about-partners__row-num {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--c-green);
}

.page-about .about-partners__row-type {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
}

.page-about .about-partners__row-desc {
  margin: 0;
  max-width: 600px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text-muted);
}

/* ============ CTA 区块 ============ */
.page-about .about-cta {
  padding: 96px 0;
  border-top: 1px solid var(--about-bd);
  background: linear-gradient(120deg, var(--c-deep) 0%, var(--c-blue) 100%);
}

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

.page-about .about-cta__kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-green);
}

.page-about .about-cta__title {
  margin: 0 0 18px;
  max-width: 640px;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.16;
  letter-spacing: -0.02em;
}

.page-about .about-cta__desc {
  margin: 0;
  max-width: 560px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-text-muted);
}

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

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

  .page-about .about-team__roles {
    grid-template-columns: 1fr 1fr;
  }

  .page-about .about-honors__grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ============ 响应式：桌面 ============ */
@media (min-width: 960px) {
  .page-about .about-intro,
  .page-about .about-milestones,
  .page-about .about-team,
  .page-about .about-honors,
  .page-about .about-partners {
    padding: var(--about-pad-y-lg) 0;
  }

  .page-about .about-hero {
    padding: calc(var(--header-h) + 72px) 0 64px;
  }

  .page-about .about-hero__grid {
    grid-template-columns: 1.4fr .8fr;
    gap: 48px;
    align-items: end;
  }

  .page-about .about-hero__aside {
    padding-bottom: 12px;
  }

  .page-about .about-hero__title {
    font-size: clamp(64px, 8vw, 104px);
  }

  .page-about .about-intro__grid {
    grid-template-columns: 1.05fr .95fr;
    gap: 56px;
    align-items: start;
  }

  .page-about .about-intro__panel {
    right: 20px;
    bottom: 40px;
    width: 250px;
  }

  .page-about .about-intro__stats {
    margin-top: 80px;
  }

  /* 时间线交错排布 */
  .page-about .about-milestones__item {
    grid-template-columns: 1fr 72px 1fr;
    gap: 0;
    padding-bottom: 56px;
  }

  .page-about .about-milestones__rail {
    grid-column: 2;
    grid-row: 1;
  }

  .page-about .about-milestones__content {
    grid-column: 1;
    grid-row: 1;
    text-align: right;
    padding: 4px 28px 0 0;
  }

  .page-about .about-milestones__item:nth-child(even) .about-milestones__content {
    grid-column: 3;
    text-align: left;
    padding: 4px 0 0 28px;
  }

  .page-about .about-milestones__text {
    margin-left: auto;
  }

  .page-about .about-milestones__item:nth-child(even) .about-milestones__text {
    margin-left: 0;
  }

  .page-about .about-team__grid {
    grid-template-columns: 1.2fr .8fr;
    gap: 56px;
    align-items: start;
  }

  .page-about .about-team__badge {
    left: -20px;
    bottom: 32px;
  }

  .page-about .about-partners__row {
    grid-template-columns: 80px 1fr;
    gap: 28px;
    padding: 36px 0;
  }

  .page-about .about-cta {
    padding: 120px 0;
  }

  .page-about .about-cta__inner {
    grid-template-columns: 1.2fr .8fr;
    gap: 48px;
  }
}