.page-about {
  --about-rail: rgba(140, 160, 220, .26);
}

/* ---------- 面包屑 ---------- */
.page-about .ss-breadcrumb {
  padding-top: 20px;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding-top: clamp(16px, 3vw, 36px);
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(36px, 5vw, 72px);
}

@media (min-width: 960px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: end;
  }
}

.page-about .about-hero .ss-h1 {
  font-size: clamp(38px, 6.6vw, 88px);
  line-height: 1.04;
  letter-spacing: -.02em;
  margin: 14px 0 20px;
}

.page-about .about-hero .ss-lede {
  max-width: 44ch;
  margin: 0;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.page-about .about-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--orbit);
  border: 1px solid var(--orbit);
  border-radius: var(--r-panel);
  overflow: hidden;
}

.page-about .about-fact {
  display: grid;
  align-content: start;
  gap: 6px;
  padding: 20px 18px;
  background: linear-gradient(165deg, rgba(21, 28, 58, .92), rgba(12, 18, 38, .92));
}

.page-about .about-fact__value {
  font-family: var(--font-mono);
  font-size: clamp(19px, 2.1vw, 26px);
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--cyan-400);
}

.page-about .about-fact__label {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 起点与主张 ---------- */
.page-about .about-origin__grid {
  align-items: start;
  gap: clamp(24px, 3.5vw, 48px);
}

.page-about .about-origin__body {
  max-width: 680px;
}

.page-about .about-claims {
  list-style: none;
  margin: clamp(30px, 4vw, 52px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 22px);
}

@media (min-width: 780px) {
  .page-about .about-claims {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-about .about-claim {
  position: relative;
  padding: 52px 22px 26px;
  border: 1px solid var(--orbit);
  border-radius: var(--r-card);
  background: linear-gradient(190deg, rgba(21, 28, 58, .8), rgba(12, 18, 38, .66));
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}

.page-about .about-claim:hover {
  border-color: var(--orbit-strong);
  transform: translateY(-3px);
}

.page-about .about-claim::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 28px;
  width: 40px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--nebula-500), var(--cyan-400));
}

.page-about .about-claim__index {
  position: absolute;
  top: 19px;
  right: 22px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--mist);
  opacity: .82;
}

.page-about .about-claim__title {
  margin: 0 0 10px;
  font-size: 21px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
}

.page-about .about-claim__body {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 发展轨道 ---------- */
.page-about .about-track__head {
  max-width: 720px;
}

.page-about .about-track__figure {
  margin: clamp(28px, 4vw, 46px) 0 clamp(30px, 4vw, 50px);
}

.page-about .about-orbit {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-about .about-milestone {
  position: relative;
  padding: 0 0 clamp(30px, 3.6vw, 46px) 38px;
  border-left: 2px solid var(--about-rail);
}

.page-about .about-milestone:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-about .about-milestone::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--panel-800);
  border: 2px solid var(--cyan-400);
  box-shadow: 0 0 18px rgba(33, 212, 232, .3);
  transition: transform .35s var(--ease), background-color .35s var(--ease);
}

.page-about .about-milestone:hover::before,
.page-about .about-milestone:focus-within::before {
  transform: scale(1.28);
  background: var(--cyan-400);
}

.page-about .about-milestone__stage {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .14em;
  color: var(--cyan-400);
}

.page-about .about-milestone__title {
  margin: 0 0 10px;
  font-size: clamp(20px, 2.2vw, 26px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
}

.page-about .about-milestone__body {
  margin: 0;
  max-width: 660px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-milestone__stats {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .about-milestone__stats li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 13px;
  border: 1px solid var(--orbit-strong);
  border-radius: var(--r-pill);
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--mist);
}

.page-about .about-milestone__stats strong {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--cyan-400);
}

/* ---------- 内容与工具体系 ---------- */
.page-about .about-system__head {
  max-width: 720px;
}

.page-about .about-capabilities {
  margin-top: clamp(28px, 4vw, 44px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 22px);
}

@media (min-width: 720px) {
  .page-about .about-capabilities {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-about .about-capability {
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 26px 24px 28px;
  border: 1px solid var(--orbit);
  border-radius: var(--r-card);
  background: linear-gradient(200deg, rgba(21, 28, 58, .82), rgba(12, 18, 38, .68));
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}

.page-about .about-capability:hover {
  border-color: var(--orbit-strong);
  transform: translateY(-3px);
}

.page-about .about-capability__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-about .about-capability__title {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
}

.page-about .about-capability__body {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-capability__meta {
  margin: 6px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--orbit);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
  letter-spacing: .01em;
  color: var(--ink);
}

/* ---------- 团队构成 ---------- */
.page-about .about-team__grid {
  align-items: center;
  gap: clamp(28px, 4vw, 56px);
}

.page-about .about-team__figure {
  margin: 0;
}

.page-about .about-roles {
  list-style: none;
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .about-role {
  display: grid;
  grid-template-columns: minmax(84px, 108px) minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
}

.page-about .about-role__name {
  font-size: 14.5px;
  color: var(--ink);
}

.page-about .about-role__track {
  display: block;
  height: 8px;
  border-radius: var(--r-pill);
  background: rgba(140, 160, 220, .14);
  overflow: hidden;
}

.page-about .about-role__fill {
  display: block;
  height: 100%;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, var(--nebula-500), var(--cyan-400));
}

.page-about .about-role__num {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--mist);
}

.page-about .about-role--a .about-role__fill { width: 41%; }
.page-about .about-role--b .about-role__fill { width: 20%; }
.page-about .about-role--c .about-role__fill { width: 17%; }
.page-about .about-role--d .about-role__fill { width: 11%; }
.page-about .about-role--e .about-role__fill { width: 11%; }

.page-about .about-team__note {
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--orbit);
  max-width: 620px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 服务覆盖与合作 ---------- */
.page-about .about-reach__grid {
  align-items: center;
  gap: clamp(28px, 4vw, 56px);
}

.page-about .about-reach__figure {
  margin: 0;
}

.page-about .about-reach__list {
  list-style: none;
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .about-reach__list li {
  position: relative;
  padding-left: 22px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-reach__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan-400);
  box-shadow: 0 0 10px rgba(33, 212, 232, .5);
}

.page-about .about-reach__stats {
  list-style: none;
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  background: var(--orbit);
  border: 1px solid var(--orbit);
  border-radius: var(--r-card);
  overflow: hidden;
}

.page-about .about-reach__stats li {
  padding: 16px 18px;
  background: var(--panel-800);
}

.page-about .about-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--cyan-400);
}

.page-about .about-stat__label {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 资质与荣誉 ---------- */
.page-about .about-honors__panel {
  padding: clamp(28px, 4vw, 52px);
}

.page-about .about-honor__list {
  list-style: none;
  margin: clamp(24px, 3vw, 36px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--orbit);
  border-radius: var(--r-card);
  overflow: hidden;
}

@media (min-width: 700px) {
  .page-about .about-honor__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-about .about-honor {
  display: grid;
  gap: 6px;
  padding: 22px;
  background: var(--deep-900);
}

.page-about .about-honor__num {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--gold-400);
}

.page-about .about-honor__label {
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 结尾动作 ---------- */
.page-about .about-cta__panel {
  display: grid;
  gap: 16px;
  padding: clamp(30px, 4.4vw, 56px);
  border: 1px solid var(--orbit-strong);
  border-radius: var(--r-panel);
  background:
    radial-gradient(120% 150% at 10% 0%, rgba(107, 77, 255, .3), rgba(107, 77, 255, 0) 62%),
    linear-gradient(160deg, var(--pod-700), var(--panel-800));
}

.page-about .about-cta__title {
  margin: 0;
  font-size: clamp(22px, 2.6vw, 32px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
}

.page-about .about-cta__body {
  margin: 0;
  max-width: 620px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 8px;
}

/* ---------- 图片容器 ---------- */
.page-about .ss-media {
  border: 1px solid var(--orbit);
  border-radius: var(--r-card);
  overflow: hidden;
  background: var(--panel-800);
}

.page-about .ss-media__img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-about .ss-media--wide { aspect-ratio: 16 / 9; }
.page-about .ss-media--square { aspect-ratio: 5 / 4; }
.page-about .ss-media--tall { aspect-ratio: 4 / 5; }

/* ---------- 窄屏收束 ---------- */
@media (max-width: 560px) {
  .page-about .about-milestone {
    padding-left: 26px;
  }

  .page-about .about-role {
    grid-template-columns: minmax(0, 1fr) auto;
    row-gap: 8px;
  }

  .page-about .about-role__track {
    grid-column: 1 / -1;
  }

  .page-about .about-hero .ss-h1 {
    font-size: clamp(32px, 9.5vw, 44px);
  }
}

@media (max-width: 480px) {
  .page-about .about-hero__facts {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-claim:hover,
  .page-about .about-capability:hover {
    transform: none;
  }

  .page-about .about-milestone:hover::before,
  .page-about .about-milestone:focus-within::before {
    transform: none;
  }
}