/* ===== 品牌档案 /company/ ===== */

.page-about {
  --about-rail: 76px;
  --about-pad: clamp(52px, 8vw, 104px);
  background: var(--ink);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */

.page-about .about-hero {
  position: relative;
  padding: clamp(78px, 12vw, 148px) 0 clamp(46px, 7vw, 86px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 78% at 84% 8%, rgba(43, 245, 194, 0.10), transparent 60%),
    linear-gradient(180deg, var(--ink) 0%, var(--navy) 100%);
}

.page-about .about-hero__grid {
  display: grid;
  gap: 44px;
  margin-top: 34px;
}

@media (min-width: 960px) {
  .page-about .about-hero__grid {
    grid-template-columns: 5fr 7fr;
    gap: 0 64px;
    align-items: start;
  }
}

.page-about .about-hero h1 {
  margin: 18px 0 0;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(38px, 7.4vw, 86px);
  line-height: 1.03;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-about .about-hero__lede {
  margin: 22px 0 0;
  max-width: 44ch;
  color: var(--paper-soft);
  font-size: 16px;
  line-height: 1.78;
}

.page-about .about-hero__actions {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 24px;
}

.page-about .hero-index {
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-about .hero-index__row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: 16px;
  padding: 15px 2px;
  border-bottom: 1px solid var(--line);
  transition: border-color 180ms ease-out;
}

.page-about .hero-index__row:hover {
  border-color: var(--mint);
}

.page-about .hero-index__row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-about .hero-index__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.2vw, 20px);
  letter-spacing: 0.02em;
  color: var(--paper);
  text-align: right;
}

/* ---------- 时间轴贯穿结构 ---------- */

.page-about .rail-section {
  border-top: 1px solid var(--line);
}

.page-about .rail-section__grid {
  display: grid;
  grid-template-columns: 1fr;
}

.page-about .rail-section__marker {
  padding: clamp(38px, 6vw, 58px) 0 0;
}

.page-about .rail-section__body {
  padding: clamp(14px, 2vw, 20px) 0 clamp(48px, 7vw, 84px);
}

.page-about .rail-section__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 26px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--navy);
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  transition: border-color 200ms ease-out, color 200ms ease-out;
}

@media (min-width: 900px) {
  .page-about .rail-section__grid {
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
    gap: 0 48px;
    align-items: stretch;
  }

  .page-about .rail-section__marker {
    position: relative;
    padding: 0;
  }

  .page-about .rail-section__marker::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--line);
    transform: translateX(-50%);
    transition: background-color 200ms ease-out;
  }

  .page-about .rail-section__num {
    position: absolute;
    left: 50%;
    top: var(--about-pad);
    transform: translateX(-50%);
    background: var(--ink);
  }

  .page-about .rail-section__marker:hover::before {
    background: var(--mint);
  }

  .page-about .rail-section__marker:hover .rail-section__num {
    border-color: var(--mint);
    color: var(--mint);
  }

  .page-about .rail-section__body {
    padding: var(--about-pad) 0;
  }
}

/* ---------- 章节开场与正文 ---------- */

.page-about .rail-section__body h2 {
  margin: 14px 0 0;
  max-width: 22ch;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: clamp(25px, 3.6vw, 38px);
  line-height: 1.24;
  letter-spacing: -0.01em;
}

.page-about .rail-section__body .rule {
  margin: 22px 0 0;
  width: 96px;
  height: 1px;
  border: 0;
  background: var(--mint);
  opacity: 0.55;
}

.page-about .rail-section__body .prose {
  margin: 24px 0 0;
  max-width: 62ch;
  color: var(--paper-soft);
  font-size: 16px;
  line-height: 1.75;
}

.page-about .rail-section__body .prose + .prose {
  margin-top: 16px;
}

.page-about .note-line {
  margin: 26px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

/* ---------- 02 时间轴 ---------- */

.page-about .milestones {
  margin: 34px 0 0;
  display: grid;
  gap: 0;
}

.page-about .milestone {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 22px 0 24px;
  border-top: 1px solid var(--line);
}

.page-about .milestone:first-child {
  border-top-color: var(--mint);
}

@media (min-width: 760px) {
  .page-about .milestone {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 0 32px;
    align-items: baseline;
    padding: 24px 0 26px;
  }
}

.page-about .milestone__year {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--mint);
  transition: transform 200ms ease-out;
}

.page-about .milestone:hover .milestone__year {
  transform: translateX(4px);
}

.page-about .milestone__body h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 500;
  color: var(--paper);
}

.page-about .milestone__body p {
  margin: 8px 0 0;
  max-width: 60ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.page-about .milestone-photo {
  margin: 26px 0 28px;
}

/* ---------- 03 团队 ---------- */

.page-about .crew {
  margin-top: 34px;
  display: grid;
  gap: 30px;
}

@media (min-width: 900px) {
  .page-about .crew {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 40px;
    align-items: start;
  }
}

.page-about .crew__cards {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(228px, 76%);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  padding-bottom: 4px;
}

.page-about .crew__card {
  scroll-snap-align: start;
  margin-left: -1px;
  padding: 20px 18px 24px;
  border: 1px solid var(--line);
  transition: border-color 180ms ease-out, background-color 180ms ease-out;
}

.page-about .crew__card:first-child {
  margin-left: 0;
}

.page-about .crew__card:hover {
  border-color: var(--mint);
  background: rgba(43, 245, 194, 0.05);
}

.page-about .crew__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mint);
}

.page-about .crew__card h3 {
  margin: 12px 0 0;
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.4;
}

.page-about .crew__card p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.68;
}

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

@media (min-width: 900px) {
  .page-about .crew__cards {
    grid-auto-flow: row;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-auto-columns: auto;
    overflow-x: visible;
    padding-bottom: 0;
  }

  .page-about .crew__card:nth-child(odd) {
    margin-left: 0;
  }

  .page-about .crew__card:nth-child(n + 3) {
    margin-top: -1px;
  }
}

/* ---------- 04 城市分区 ---------- */

.page-about .city-list {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-about .city-row {
  border-bottom: 1px solid var(--line);
}

.page-about .city-row__link {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 4px 14px;
  align-items: center;
  padding: 15px 12px 16px;
  border-left: 2px solid transparent;
  color: inherit;
  text-decoration: none;
  transition: background-color 180ms ease-out, border-color 180ms ease-out;
}

.page-about .city-row__code {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
  transition: color 180ms ease-out;
}

.page-about .city-row__name {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 500;
  color: var(--paper);
}

.page-about .city-row__detail {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.page-about .city-row__link:hover,
.page-about .city-row__link:focus-visible,
.page-about .city-row:target .city-row__link {
  background: rgba(43, 245, 194, 0.07);
  border-left-color: var(--mint);
}

.page-about .city-row__link:hover .city-row__code,
.page-about .city-row:target .city-row__code {
  color: var(--mint);
}

@media (min-width: 860px) {
  .page-about .city-row__link {
    grid-template-columns: 44px 150px minmax(0, 1fr);
    grid-template-rows: auto;
    gap: 0 24px;
    padding: 16px 14px 17px;
  }

  .page-about .city-row__code {
    grid-row: auto;
  }
}

/* ---------- 05 协作网络 ---------- */

.page-about .net {
  margin-top: 34px;
  display: grid;
  gap: 28px;
}

@media (min-width: 860px) {
  .page-about .net {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }
}

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

.page-about .net__body .prose {
  margin-top: 0;
}

.page-about .net__body h3 {
  margin: 30px 0 0;
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 500;
  color: var(--paper);
}

.page-about .net__list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-about .net__list li {
  position: relative;
  padding: 12px 0 12px 20px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.page-about .net__list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 21px;
  width: 6px;
  height: 6px;
  border: 1px solid var(--mint);
  border-radius: 50%;
}

.page-about .net__body .link-grow {
  display: inline-block;
  margin-top: 22px;
}

/* ---------- 06 更新节奏 ---------- */

.page-about .cadence {
  margin-top: 30px;
  border-top: 1px solid var(--line);
}

.page-about .cadence__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 18px 0 20px;
  border-bottom: 1px solid var(--line);
  transition: border-color 180ms ease-out;
}

.page-about .cadence__row:hover {
  border-color: var(--mint);
}

.page-about .cadence__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-about .cadence__val {
  font-size: 18px;
  line-height: 1.3;
  color: var(--paper);
}

.page-about .cadence__note {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.68;
}

@media (min-width: 760px) {
  .page-about .cadence__row {
    grid-template-columns: 132px 186px minmax(0, 1fr);
    gap: 0 28px;
    align-items: baseline;
  }

  .page-about .cadence__val {
    font-family: var(--font-mono);
    font-size: 17px;
    letter-spacing: 0.02em;
  }
}

/* ---------- 收束 ---------- */

.page-about .about-cta {
  border-top: 1px solid var(--line);
  padding: clamp(56px, 9vw, 108px) 0;
  background:
    radial-gradient(90% 120% at 8% 0%, rgba(255, 163, 43, 0.09), transparent 62%),
    linear-gradient(180deg, var(--navy) 0%, var(--room) 100%);
}

.page-about .about-cta h2 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(30px, 5vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-about .about-cta p {
  margin: 18px 0 0;
  max-width: 58ch;
  color: var(--paper-soft);
  font-size: 16px;
  line-height: 1.75;
}

.page-about .about-cta__links {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 26px;
}
<<<END>>>