/* ===== 云开团队 /team/ ===== */

.page-about {
  --about-pad-y: clamp(52px, 8vw, 104px);
  --about-rule: 3px solid var(--ink);
  background: var(--cloud-white);
  color: var(--ink);
  font-family: var(--font-body);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  background: var(--night-green);
  color: var(--cloud-white);
  border-bottom: var(--about-rule);
}

.page-about .about-hero__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 62% 42%;
  filter: saturate(0.88) contrast(1.06) brightness(0.58);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(102deg, rgba(15, 61, 46, 0.96) 2%, rgba(7, 67, 92, 0.84) 48%, rgba(10, 20, 25, 0.42) 100%);
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 2;
  padding-top: clamp(54px, 11vw, 130px);
  padding-bottom: clamp(46px, 8vw, 92px);
}

.page-about .about-hero__eyebrow {
  color: var(--data-yellow);
}

.page-about .about-hero__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2rem, 8vw, 3.1rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0.36em 0 0.54em;
  color: var(--cloud-white);
  max-width: 16em;
}

.page-about .about-hero__lede {
  margin: 0;
  max-width: 44em;
  font-size: clamp(1rem, 2.4vw, 1.12rem);
  line-height: 1.85;
  color: rgba(244, 248, 250, 0.88);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: clamp(26px, 4vw, 38px);
}

/* ---------- 规模数字条 ---------- */
.page-about .about-numbers {
  background: var(--ink);
  border-bottom: var(--about-rule);
}

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

.page-about .about-numbers__item {
  padding: clamp(20px, 3vw, 30px) clamp(16px, 3vw, 32px);
  border-right: 1px solid rgba(244, 248, 250, 0.14);
  border-bottom: 1px solid rgba(244, 248, 250, 0.14);
}

.page-about .about-numbers__value {
  display: block;
  font-family: var(--font-mono);
  font-weight: 900;
  font-size: clamp(1.9rem, 5.4vw, 2.7rem);
  line-height: 1;
  color: var(--data-yellow);
  font-variant-numeric: tabular-nums;
}

.page-about .about-numbers__label {
  display: block;
  margin-top: 10px;
  font-size: 0.82rem;
  line-height: 1.6;
  color: rgba(244, 248, 250, 0.72);
}

/* ---------- 章节通用 ---------- */
.page-about .about-roles,
.page-about .about-history,
.page-about .about-rhythm,
.page-about .about-partners,
.page-about .about-scouts {
  padding: var(--about-pad-y) 0;
}

.page-about .about-spread {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3.4vw, 34px);
}

.page-about .about-aside__tag {
  position: relative;
  display: inline-block;
  padding-left: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cloud-blue);
}

.page-about .about-aside__tag::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1px;
  width: 3px;
  height: 12px;
  background: var(--cloud-blue);
}

.page-about .about-aside__note {
  margin: 12px 0 0;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--rail-deep);
}

.page-about .about-h2 {
  margin: 0 0 0.55em;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 5vw, 2.35rem);
  line-height: 1.22;
  letter-spacing: 0.005em;
  color: var(--ink);
}

.page-about .about-text {
  margin: 0 0 1em;
  font-size: 1rem;
  line-height: 1.82;
  color: var(--ink);
}

.page-about .about-text:last-child {
  margin-bottom: 0;
}

/* 深色区文字与索引 */
.page-about .section--dark .about-h2,
.page-about .about-h2--dark {
  color: var(--cloud-white);
}

.page-about .section--dark .about-text,
.page-about .about-text--dark {
  color: rgba(244, 248, 250, 0.85);
}

.page-about .about-aside__tag--dark {
  color: var(--data-yellow);
}

.page-about .about-aside__tag--dark::before {
  background: var(--data-yellow);
}

.page-about .about-aside__note--dark {
  color: rgba(244, 248, 250, 0.62);
}

/* ---------- 角色堆叠条 ---------- */
.page-about .about-stack {
  display: flex;
  flex-direction: column;
  margin: clamp(24px, 4vw, 36px) 0 0;
  border: var(--about-rule);
  box-shadow: var(--shadow);
  background: var(--cloud-white);
}

.page-about .about-stack__seg {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 10px;
  padding: 18px clamp(16px, 2.4vw, 24px) 20px;
  border-bottom: var(--about-rule);
  min-width: 0;
  transition: box-shadow 0.18s ease;
}

.page-about .about-stack__seg:last-child {
  border-bottom: 0;
}

.page-about .about-stack__seg--ops {
  background: var(--cloud-blue);
  color: var(--cloud-white);
}

.page-about .about-stack__seg--eng {
  background: var(--night-green);
  color: var(--cloud-white);
}

.page-about .about-stack__seg--mix {
  background: var(--mist);
  color: var(--ink);
}

.page-about .about-stack__seg:hover,
.page-about .about-stack__seg:focus-within {
  box-shadow: inset 0 0 0 3px var(--data-yellow);
}

.page-about .about-stack__num {
  font-family: var(--font-mono);
  font-weight: 900;
  font-size: clamp(1.6rem, 4.6vw, 2.3rem);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.page-about .about-stack__role {
  font-size: 0.84rem;
  line-height: 1.55;
  letter-spacing: 0.03em;
}

/* ---------- 角色明细 ---------- */
.page-about .about-roles__list {
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-role {
  display: grid;
  gap: 8px;
  padding: 20px 0 22px;
  border-top: var(--about-rule);
}

.page-about .about-role:last-child {
  border-bottom: var(--about-rule);
}

.page-about .about-role__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.04rem;
  line-height: 1.5;
  color: var(--ink);
}

.page-about .about-role__name em {
  display: block;
  margin-top: 6px;
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--cloud-blue);
}

.page-about .about-role__desc {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.82;
  color: var(--ink);
}

/* ---------- 城市记录带 ---------- */
.page-about .about-belt {
  margin-top: clamp(28px, 5vw, 48px);
  padding: clamp(16px, 3vw, 26px) clamp(14px, 2.6vw, 28px);
  border: 3px solid rgba(244, 248, 250, 0.42);
  background: var(--night-lift);
  box-shadow: var(--shadow-dark);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

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

.page-about .about-belt::-webkit-scrollbar-thumb {
  background: rgba(244, 248, 250, 0.32);
}

.page-about .about-belt__track {
  display: flex;
  align-items: stretch;
  gap: clamp(4px, 1vw, 14px);
  min-width: 760px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-belt__node {
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 4px 0 12px;
  border-bottom: 2px solid rgba(244, 248, 250, 0.18);
  transition: border-color 0.18s ease;
}

.page-about .about-belt__node:hover {
  border-bottom-color: var(--data-yellow);
}

.page-about .about-belt__count {
  font-family: var(--font-mono);
  font-weight: 900;
  font-size: 1.15rem;
  line-height: 1;
  color: var(--data-yellow);
  font-variant-numeric: tabular-nums;
  transition: color 0.18s ease;
}

.page-about .about-belt__node:hover .about-belt__count {
  color: var(--cloud-white);
}

.page-about .about-belt__city {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: rgba(244, 248, 250, 0.72);
  white-space: nowrap;
}

/* ---------- 发展历程 ---------- */
.page-about .about-timeline {
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0 0 0 clamp(16px, 2.6vw, 26px);
  list-style: none;
  border-left: 3px solid var(--ink);
}

.page-about .about-timeline__item {
  position: relative;
  padding-bottom: clamp(24px, 3.4vw, 36px);
}

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

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: -9px;
  top: 6px;
  width: 15px;
  height: 15px;
  box-sizing: border-box;
  background: var(--cloud-white);
  border: 3px solid var(--ink);
}

.page-about .about-timeline__year {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  color: var(--cloud-blue);
  font-variant-numeric: tabular-nums;
}

.page-about .about-timeline__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  line-height: 1.5;
  color: var(--ink);
}

.page-about .about-timeline__desc {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.82;
  color: var(--ink);
}

/* ---------- 工作节奏 ---------- */
.page-about .about-rhythm__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(28px, 4vw, 44px);
}

.page-about .about-figure {
  margin: 0;
  border: var(--about-rule);
  box-shadow: var(--shadow);
  background: var(--ink);
  overflow: hidden;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.04);
}

.page-about .about-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-step {
  display: grid;
  gap: 8px;
  padding: clamp(16px, 2.4vw, 22px) 0 clamp(18px, 2.6vw, 24px);
  border-top: var(--about-rule);
}

.page-about .about-step:last-child {
  border-bottom: var(--about-rule);
}

.page-about .about-step__time {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--cloud-blue);
  font-variant-numeric: tabular-nums;
}

.page-about .about-step__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  line-height: 1.5;
  color: var(--ink);
}

.page-about .about-step__desc {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--ink);
}

/* ---------- 合作生态 ---------- */
.page-about .about-partners__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.6vw, 24px);
  margin-top: clamp(30px, 4.6vw, 48px);
}

.page-about .about-partner {
  padding: clamp(20px, 3vw, 28px);
  background: var(--night-lift);
  border: 3px solid rgba(244, 248, 250, 0.34);
  box-shadow: var(--shadow-dark);
  transition: box-shadow 0.18s ease, transform 0.18s ease;
}

.page-about .about-partner:hover {
  box-shadow: 0 0 0 3px var(--data-yellow), var(--shadow-dark);
  transform: translate(-2px, -2px);
}

.page-about .about-partner__index {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--data-yellow);
}

.page-about .about-partner__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.06rem;
  line-height: 1.5;
  color: var(--cloud-white);
}

.page-about .about-partner__desc {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.8;
  color: rgba(244, 248, 250, 0.82);
}

.page-about .about-partners__note {
  margin: clamp(26px, 4vw, 38px) 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--final-orange);
  font-size: 0.92rem;
  line-height: 1.75;
  color: rgba(244, 248, 250, 0.86);
}

/* ---------- 办公地与联系 ---------- */
.page-about .about-place {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--cloud-white);
  border-top: var(--about-rule);
}

.page-about .about-place__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 58%;
  filter: grayscale(0.2) brightness(0.36) contrast(1.1);
}

.page-about .about-place::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 20, 25, 0.6) 0%, rgba(10, 20, 25, 0.9) 68%, var(--ink) 100%);
}

.page-about .about-place__inner {
  position: relative;
  z-index: 2;
  padding-top: var(--about-pad-y);
  padding-bottom: var(--about-pad-y);
}

.page-about .about-place__panel {
  max-width: 800px;
  padding: clamp(22px, 4vw, 42px);
  border: 3px solid rgba(244, 248, 250, 0.3);
  background: rgba(15, 61, 46, 0.72);
}

.page-about .about-place__eyebrow {
  color: var(--data-yellow);
}

.page-about .about-place__list {
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-place__item {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid rgba(244, 248, 250, 0.18);
  font-size: 0.93rem;
  line-height: 1.7;
}

.page-about .about-place__key {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--data-yellow);
}

.page-about .about-place__val {
  color: rgba(244, 248, 250, 0.92);
  word-break: break-word;
}

.page-about .about-place__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: clamp(24px, 3.6vw, 34px);
}

.page-about .about-place__meta {
  margin: 22px 0 0;
  font-size: 0.88rem;
  line-height: 1.78;
  color: rgba(244, 248, 250, 0.66);
}

.page-about .about-place__meta a {
  color: var(--data-yellow);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .about-place__meta a:hover {
  color: var(--cloud-white);
}

/* ---------- 断点 ---------- */
@media (min-width: 600px) {
  .page-about .about-numbers__item {
    border-bottom: 0;
  }

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

  .page-about .about-place__item {
    grid-template-columns: 88px minmax(0, 1fr);
  }
}

@media (min-width: 760px) {
  .page-about .about-stack {
    flex-direction: row;
  }

  .page-about .about-stack__seg {
    border-bottom: 0;
    border-right: var(--about-rule);
  }

  .page-about .about-stack__seg:last-child {
    border-right: 0;
  }

  .page-about .about-stack__seg--ops {
    flex: 31 1 0%;
  }

  .page-about .about-stack__seg--eng {
    flex: 22 1 0%;
  }

  .page-about .about-stack__seg--mix {
    flex: 15 1 0%;
  }
}

@media (min-width: 860px) {
  .page-about .about-role {
    grid-template-columns: minmax(180px, 26%) minmax(0, 1fr);
    gap: clamp(20px, 3vw, 40px);
    align-items: start;
  }

  .page-about .about-step {
    grid-template-columns: 128px minmax(0, 1fr);
    gap: clamp(18px, 3vw, 34px);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-about .about-rhythm__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

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

@media (min-width: 960px) {
  .page-about .about-spread {
    grid-template-columns: minmax(132px, 17%) minmax(0, 1fr);
    gap: clamp(30px, 4.6vw, 76px);
  }

  .page-about .about-aside {
    position: sticky;
    top: clamp(24px, 4vw, 48px);
    align-self: start;
  }

  .page-about .about-hero__title {
    font-size: clamp(2.8rem, 5.6vw, 4.6rem);
  }

  .page-about .about-numbers__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1200px) {
  .page-about .about-hero__title {
    font-size: clamp(3.4rem, 5.4vw, 5.6rem);
  }
}