/* ============================================
   品牌与团队 /team/  ·  页面作用域 .page-about
   ============================================ */

.page-about {
  --about-hair: var(--ink-700);
  --about-panel: var(--ink-800);
  display: block;
  padding-bottom: clamp(56px, 9vw, 130px);
}

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

.page-about figure {
  margin: 0;
}

.page-about figcaption {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

/* ---------- 面包屑 ---------- */

.page-about .about-crumb {
  padding-top: clamp(18px, 3.5vw, 34px);
}

.page-about .about-crumb__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-about .about-crumb__list li + li::before {
  content: "/";
  margin-right: 10px;
  color: var(--about-hair);
}

.page-about .about-crumb__list a {
  color: var(--mist);
  text-decoration: none;
}

.page-about .about-crumb__list a:hover {
  color: var(--accent);
}

.page-about .about-crumb__list [aria-current="page"] {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */

.page-about .about-hero {
  padding: clamp(24px, 4.5vw, 54px) 0 clamp(36px, 6vw, 86px);
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 5vw, 52px);
  align-items: end;
}

.page-about .about-hero__lead h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 6.2vw, 60px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--paper);
  margin: 16px 0 18px;
  max-width: 15em;
}

.page-about .about-hero__intro {
  font-size: 17px;
  line-height: 1.8;
  color: var(--mist);
  margin: 0 0 24px;
  max-width: 34em;
}

.page-about .about-hero__jump {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .about-hero__jump a {
  display: inline-block;
  padding: 7px 14px;
  border: 1px solid var(--about-hair);
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ice);
  text-decoration: none;
  transition: color 120ms var(--ease), border-color 120ms var(--ease), background-color 120ms var(--ease);
}

.page-about .about-hero__jump a:hover {
  color: var(--deep);
  background: var(--accent);
  border-color: var(--accent);
}

.page-about .about-hero__media {
  position: relative;
  border: 1px solid var(--about-hair);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--about-panel);
}

.page-about .about-hero__media img {
  width: 100%;
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

.page-about .about-hero__cap {
  position: absolute;
  right: 14px;
  bottom: 14px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(10, 20, 48, 0.72);
  border: 1px solid var(--about-hair);
  color: var(--ice);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.page-about .about-hero__facts {
  list-style: none;
  margin: clamp(30px, 5vw, 56px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--about-hair);
  border: 1px solid var(--about-hair);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-about .about-hero__facts li {
  background: var(--bg);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-about .about-hero__num {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
}

.page-about .about-hero__unit {
  font-size: 0.52em;
  color: var(--mist);
  margin-left: 0.15em;
}

.page-about .about-hero__lbl {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr);
    gap: clamp(32px, 4vw, 64px);
  }

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

/* ---------- 章节通用 ---------- */

.page-about .about-section {
  padding: clamp(46px, 7vw, 96px) 0;
}

.page-about .about-section__head {
  max-width: 44em;
  margin-bottom: clamp(28px, 4vw, 52px);
}

.page-about .about-section__head h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(27px, 4.2vw, 44px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--paper);
  margin: 14px 0 14px;
}

.page-about .about-section__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
  max-width: 36em;
}

/* ---------- 年份时间轴 ---------- */

.page-about .about-section--axis {
  background: linear-gradient(180deg, rgba(16, 30, 66, 0.55), rgba(10, 20, 48, 0) 78%);
}

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

.page-about .timeline::before {
  content: "";
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 5px;
  width: 1px;
  background: linear-gradient(180deg, var(--accent) 0%, var(--flag-green) 45%, var(--about-hair) 78%, rgba(27, 47, 94, 0) 100%);
}

.page-about .timeline__item {
  position: relative;
  padding: 0 0 clamp(34px, 5.5vw, 62px) clamp(24px, 4vw, 40px);
}

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

.page-about .timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--flag-green);
}

.page-about .timeline__item--current::before {
  background: var(--accent);
  border-color: var(--accent);
}

.page-about .timeline__num {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(52px, 11vw, 118px);
  line-height: 0.88;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--paper);
}

.page-about .timeline__item--current .timeline__num {
  color: var(--accent);
}

.page-about .timeline__ver {
  display: inline-block;
  margin-top: 12px;
  padding: 4px 12px;
  border: 1px solid var(--about-hair);
  border-radius: 999px;
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--ice);
}

.page-about .timeline__body h3 {
  margin: 4px 0 10px;
  font-family: var(--font-sans);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--paper);
}

.page-about .timeline__body p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 34em;
}

@media (min-width: 860px) {
  .page-about .timeline__item {
    display: grid;
    grid-template-columns: minmax(170px, 250px) minmax(0, 1fr);
    gap: clamp(24px, 4vw, 60px);
    padding-left: clamp(30px, 4.5vw, 58px);
  }

  .page-about .timeline__item::before {
    top: 22px;
  }

  .page-about .timeline__body {
    padding-top: 8px;
  }
}

/* ---------- 山脊分隔带 ---------- */

.page-about .ridge-band {
  line-height: 0;
  margin: clamp(8px, 2vw, 24px) 0 clamp(36px, 6vw, 76px);
  color: var(--ink-800);
}

.page-about .ridge-band svg {
  display: block;
  width: 100%;
  height: clamp(58px, 8vw, 118px);
}

/* ---------- 团队分工 ---------- */

.page-about .team-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-about .team-roles {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-about .team-role {
  position: relative;
  background: var(--about-panel);
  border: 1px solid var(--about-hair);
  border-radius: var(--radius);
  padding: 18px 20px;
  overflow: hidden;
}

.page-about .team-role::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--flag-blue);
}

.page-about .team-role--green::before { background: var(--flag-green); }
.page-about .team-role--accent::before { background: var(--accent); }
.page-about .team-role--red::before { background: var(--flag-red); }
.page-about .team-role--ice::before { background: var(--ice); }

.page-about .team-role h3 {
  margin: 0 0 8px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
}

.page-about .team-role em {
  font-style: normal;
  font-family: var(--font-data);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  white-space: nowrap;
}

.page-about .team-role p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist);
}

.page-about .team-media {
  border: 1px solid var(--about-hair);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--about-panel);
  padding: 14px;
}

.page-about .team-media img {
  width: 100%;
  border-radius: calc(var(--radius-lg) - 12px);
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.page-about .team-media figcaption {
  padding: 12px 4px 2px;
}

@media (min-width: 640px) {
  .page-about .team-roles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .team-role:last-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1000px) {
  .page-about .team-layout {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
  }

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

  .page-about .team-role:last-child {
    grid-column: auto;
  }

  .page-about .team-media {
    position: sticky;
    top: 96px;
  }
}

/* ---------- 数据生产链路 ---------- */

.page-about .flow {
  list-style: none;
  margin: 0 0 clamp(28px, 4vw, 52px);
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--about-hair);
  border: 1px solid var(--about-hair);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-about .flow__step {
  background: var(--bg);
  padding: clamp(20px, 3vw, 30px);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-about .flow__idx {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 30px;
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--flag-blue);
}

.page-about .flow__step:nth-child(2) .flow__idx { color: var(--paper); }
.page-about .flow__step:nth-child(3) .flow__idx { color: var(--flag-red); }
.page-about .flow__step:nth-child(4) .flow__idx { color: var(--flag-green); }
.page-about .flow__step:nth-child(5) .flow__idx { color: var(--accent); }

.page-about .flow__step h3 {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
}

.page-about .flow__step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-about .flow-media {
  border: 1px solid var(--about-hair);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--about-panel);
}

.page-about .flow-media img {
  width: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.page-about .flow-media figcaption {
  padding: 12px 18px 16px;
}

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

@media (min-width: 1080px) {
  .page-about .flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .flow__step:nth-child(4) {
    grid-column: span 2;
  }
}

/* ---------- 我们坚持的做法 ---------- */

.page-about .practice {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 36px);
}

.page-about .practice__item {
  border-top: 1px solid var(--about-hair);
  padding-top: 20px;
}

.page-about .practice__item h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--accent);
}

.page-about .practice__item p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 30em;
}

@media (min-width: 780px) {
  .page-about .practice {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(24px, 3vw, 44px);
  }
}

/* ---------- 服务规模 ---------- */

.page-about .about-section--scale {
  background: linear-gradient(180deg, rgba(16, 30, 66, 0.6), rgba(10, 20, 48, 0) 82%);
}

.page-about .scale {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--about-hair);
  border: 1px solid var(--about-hair);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-about .scale__item {
  background: var(--bg);
  padding: clamp(18px, 3vw, 32px);
  display: flex;
  flex-direction: column-reverse;
  justify-content: flex-end;
  gap: 12px;
}

.page-about .scale__item dt {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-about .scale__item dd {
  margin: 0;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(34px, 5.2vw, 58px);
  line-height: 0.94;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--paper);
}

.page-about .scale__item dd span {
  font-size: 0.42em;
  color: var(--mist);
  margin-left: 0.15em;
  letter-spacing: 0;
}

@media (min-width: 1024px) {
  .page-about .scale {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 结尾通路 ---------- */

.page-about .about-cta {
  padding: clamp(20px, 4vw, 48px) 0 0;
}

.page-about .about-cta__inner {
  position: relative;
  border: 1px solid var(--about-hair);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 5vw, 64px);
  background:
    radial-gradient(120% 130% at 92% 8%, rgba(242, 194, 48, 0.16), rgba(242, 194, 48, 0) 58%),
    linear-gradient(140deg, var(--ink-800), var(--ink-900) 78%);
  overflow: hidden;
}

.page-about .about-cta__inner::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--flag-blue), var(--flag-green) 40%, var(--accent) 70%, var(--flag-red));
}

.page-about .about-cta__inner h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper);
  margin: 14px 0 14px;
}

.page-about .about-cta__inner p {
  margin: 0 0 26px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 40em;
}

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

@media (max-width: 420px) {
  .page-about .about-cta__actions .btn {
    width: 100%;
    text-align: center;
  }
}
<<<END>>>