.page-about {
  display: block;
  padding-bottom: clamp(48px, 8vw, 104px);
}

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

.page-about .sl-figure__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 首屏 ---------- */

.page-about .about-hero {
  padding: 18px 0 clamp(28px, 5vw, 56px);
  border-bottom: 1px solid var(--sl-line-soft);
}

.page-about .about-hero__eyebrow {
  margin: 0 0 16px;
  color: var(--sl-silver);
  letter-spacing: 0.06em;
}

.page-about .about-hero__title {
  margin: 0 0 18px;
  max-width: 17em;
  color: var(--sl-mist);
  font-size: clamp(28px, 6.4vw, 52px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-about .about-hero__lead {
  margin: 0 0 clamp(24px, 4vw, 40px);
  max-width: 40em;
  color: var(--sl-text);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.95;
}

.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0 0 clamp(24px, 4vw, 40px);
  padding: 0;
  list-style: none;
}

.page-about .about-stats__item {
  padding: 14px 16px;
  border: 1px solid var(--sl-line);
  border-radius: var(--sl-radius-sm);
  background: linear-gradient(158deg, rgba(14, 22, 56, 0.92), rgba(42, 27, 94, 0.5));
}

.page-about .about-stats__num {
  display: block;
  font-family: var(--sl-mono);
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--sl-gold);
}

.page-about .about-stats__label {
  display: block;
  margin-top: 6px;
  color: var(--sl-text-dim);
  font-size: 13px;
  line-height: 1.6;
}

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

/* ---------- 通用章节 ---------- */

.page-about .about-section {
  padding: clamp(40px, 6.5vw, 88px) 0;
  border-bottom: 1px solid var(--sl-line-soft);
}

.page-about .about-section__kicker {
  margin: 0 0 12px;
  color: var(--sl-violet);
  letter-spacing: 0.08em;
}

.page-about .about-section__title {
  margin: 0 0 18px;
  max-width: 20em;
  color: var(--sl-mist);
  font-size: clamp(21px, 3.8vw, 32px);
  font-weight: 800;
  line-height: 1.35;
}

.page-about .about-section__lead {
  margin: 0 0 22px;
  max-width: 40em;
  color: var(--sl-text);
}

.page-about .sl-prose p {
  margin: 0 0 16px;
  color: var(--sl-text);
}

/* ---------- 起点 ---------- */

.page-about .about-origin__grid {
  display: grid;
  gap: 22px;
}

.page-about .about-quote {
  margin: 0;
  padding: 22px 22px 22px 24px;
  border-left: 3px solid var(--sl-violet);
  border-radius: 0 var(--sl-radius) var(--sl-radius) 0;
  background: linear-gradient(120deg, rgba(108, 76, 224, 0.18), rgba(14, 22, 56, 0.55));
}

.page-about .about-quote__text {
  margin: 0 0 12px;
  color: var(--sl-mist);
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.7;
}

.page-about .about-quote__by {
  margin: 0;
  color: var(--sl-pink);
}

/* ---------- 团队 ---------- */

.page-about .about-team__layout {
  display: grid;
  gap: 26px;
}

.page-about .about-team__list {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(232px, 76%);
  gap: 12px;
  margin: 0;
  padding: 4px 2px 12px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-about .about-team__card {
  scroll-snap-align: start;
  padding: 18px 18px 16px;
  border: 1px solid var(--sl-line);
  border-top: 3px solid var(--about-accent, var(--sl-violet));
  border-radius: var(--sl-radius-sm);
  background: linear-gradient(170deg, rgba(14, 22, 56, 0.88), rgba(7, 11, 30, 0.7));
}

.page-about .about-team__card--violet { --about-accent: var(--sl-violet); }
.page-about .about-team__card--pink { --about-accent: var(--sl-pink); }
.page-about .about-team__card--gold { --about-accent: var(--sl-gold); }
.page-about .about-team__card--teal { --about-accent: var(--sl-teal); }

.page-about .about-team__name {
  margin: 0 0 10px;
  color: var(--sl-mist);
  font-size: 17px;
  font-weight: 700;
}

.page-about .about-team__desc {
  margin: 0 0 14px;
  color: var(--sl-text);
  font-size: 14px;
  line-height: 1.85;
}

.page-about .about-team__meta {
  margin: 0;
  color: var(--sl-silver);
}

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

/* ---------- 更新节奏 ---------- */

.page-about .about-cadence__grid {
  display: grid;
  gap: 26px;
}

.page-about .about-cadence__band {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  padding: 0 2px;
}

.page-about .about-cadence__tick {
  flex: 1 1 0;
  height: 22px;
  border-radius: 6px;
  background: linear-gradient(180deg, rgba(108, 76, 224, 0.6), rgba(108, 76, 224, 0.08));
}

.page-about .about-cadence__tick--now {
  height: 40px;
  background: linear-gradient(180deg, var(--sl-gold), rgba(240, 185, 74, 0.12));
  box-shadow: 0 0 18px rgba(240, 185, 74, 0.28);
}

.page-about .about-cadence__caption {
  margin: 12px 0 22px;
  color: var(--sl-gold);
}

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

/* ---------- 设备舱 ---------- */

.page-about .about-cabins__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-cabins__item {
  padding: 14px 15px;
  border: 1px solid var(--sl-line);
  border-radius: var(--sl-radius-sm);
  background: rgba(14, 22, 56, 0.66);
  transition: border-color 0.3s ease, background 0.3s ease;
}

.page-about .about-cabins__item:hover,
.page-about .about-cabins__item:focus-within {
  border-color: rgba(108, 76, 224, 0.6);
  background: rgba(42, 27, 94, 0.55);
}

.page-about .about-cabins__name {
  margin: 0 0 8px;
  color: var(--sl-pink);
  font-size: 14px;
}

.page-about .about-cabins__desc {
  margin: 0;
  color: var(--sl-text-dim);
  font-size: 13px;
  line-height: 1.75;
}

/* ---------- 排版规范 ---------- */

.page-about .about-typeset__list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-typeset__item {
  padding: 16px 18px;
  border: 1px solid var(--sl-line);
  border-radius: var(--sl-radius-sm);
  background: linear-gradient(96deg, rgba(42, 27, 94, 0.5), rgba(7, 11, 30, 0.55));
}

.page-about .about-typeset__label {
  display: inline-block;
  margin-bottom: 8px;
  padding: 3px 10px;
  border-radius: var(--sl-pill);
  background: rgba(108, 76, 224, 0.22);
  color: var(--sl-silver);
  font-size: 12px;
}

.page-about .about-typeset__desc {
  margin: 0;
  color: var(--sl-text);
  font-size: 14px;
  line-height: 1.85;
}

/* ---------- 里程碑时间轴 ---------- */

.page-about .about-milestones__index {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 28px;
}

.page-about .about-milestones__jump {
  display: inline-block;
  padding: 6px 13px;
  border: 1px solid var(--sl-line);
  border-radius: var(--sl-pill);
  background: rgba(14, 22, 56, 0.7);
  color: var(--sl-silver);
  font-family: var(--sl-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: border-color 0.3s ease, color 0.3s ease, background 0.3s ease;
}

.page-about .about-milestones__jump:hover,
.page-about .about-milestones__jump:focus-visible {
  border-color: var(--sl-violet);
  background: rgba(108, 76, 224, 0.28);
  color: var(--sl-mist);
}

.page-about .about-timeline {
  position: relative;
  margin: 0;
  padding: 0 0 0 30px;
  list-style: none;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--sl-violet), rgba(240, 185, 74, 0.5), rgba(108, 76, 224, 0.05));
}

.page-about .about-timeline__item {
  position: relative;
  padding: 0 0 clamp(24px, 4vw, 40px);
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 5px;
  width: 15px;
  height: 15px;
  border: 1px solid var(--sl-violet);
  border-radius: 50%;
  background: var(--sl-deep);
  box-shadow: 0 0 0 4px rgba(108, 76, 224, 0.14);
  transition: background 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
}

.page-about .about-timeline__item:hover::before,
.page-about .about-timeline__item:focus-within::before {
  background: var(--sl-gold);
  border-color: var(--sl-gold);
  box-shadow: 0 0 0 7px rgba(240, 185, 74, 0.2);
}

.page-about .about-timeline__tick {
  display: block;
  margin-bottom: 8px;
  color: var(--sl-gold);
  letter-spacing: 0.08em;
}

.page-about .about-timeline__title {
  margin: 0 0 10px;
  color: var(--sl-mist);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.55;
}

.page-about .about-timeline__text {
  margin: 0 0 10px;
  max-width: 40em;
  color: var(--sl-text);
  font-size: 15px;
  line-height: 1.9;
}

.page-about .about-timeline__note {
  margin: 0;
  color: var(--sl-text-dim);
  font-size: 12px;
  line-height: 1.7;
  opacity: 0.62;
  transition: opacity 0.35s ease, color 0.35s ease;
}

.page-about .about-timeline__item:hover .about-timeline__note,
.page-about .about-timeline__item:focus-within .about-timeline__note {
  opacity: 1;
  color: var(--sl-pink);
}

/* ---------- 结尾入口 ---------- */

.page-about .about-cta {
  margin-top: clamp(40px, 6vw, 80px);
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid var(--sl-line);
  border-radius: var(--sl-radius);
  background:
    radial-gradient(120% 140% at 12% 0%, rgba(108, 76, 224, 0.28), transparent 60%),
    linear-gradient(160deg, rgba(14, 22, 56, 0.92), rgba(7, 11, 30, 0.9));
}

.page-about .about-cta__kicker {
  margin: 0 0 12px;
  color: var(--sl-pink);
  letter-spacing: 0.08em;
}

.page-about .about-cta__title {
  margin: 0 0 14px;
  color: var(--sl-mist);
  font-size: clamp(20px, 3.4vw, 28px);
  font-weight: 800;
  line-height: 1.35;
}

.page-about .about-cta__text {
  margin: 0 0 22px;
  max-width: 38em;
  color: var(--sl-text);
  font-size: 15px;
  line-height: 1.9;
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 平板 ---------- */

@media (min-width: 640px) {
  .page-about .about-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-team__list {
    grid-auto-columns: minmax(240px, 44%);
  }

  .page-about .about-cabins__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .about-typeset__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 桌面 ---------- */

@media (min-width: 960px) {
  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
    gap: 40px;
  }

  .page-about .about-team__layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 30px;
  }

  .page-about .about-team__list {
    grid-auto-flow: row;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-auto-columns: auto;
    overflow-x: visible;
    padding-bottom: 4px;
  }

  .page-about .about-cadence__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
    gap: 44px;
  }

  .page-about .about-timeline {
    padding-left: 40px;
  }

  .page-about .about-timeline__item {
    display: grid;
    grid-template-columns: 110px minmax(0, 1fr);
    gap: 20px;
  }

  .page-about .about-timeline__tick {
    margin: 4px 0 0;
    text-align: right;
  }

  .page-about .about-timeline__body {
    max-width: 42em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-cabins__item,
  .page-about .about-timeline__item::before,
  .page-about .about-timeline__note,
  .page-about .about-milestones__jump {
    transition: none;
  }
}