.page-about {
  --about-ink: #D6DEEA;
  --about-muted: #C4CDDC;
  --about-rail-w: 176px;
  color: var(--white);
  padding-bottom: clamp(40px, 8vw, 96px);
}

.page-about .breadcrumb {
  padding-top: 18px;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding: clamp(20px, 4vw, 44px) 0 clamp(24px, 4vw, 40px);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: -8% -6% 0 -6%;
  background:
    radial-gradient(circle at 88% 8%, rgba(155, 107, 255, .22), transparent 55%),
    radial-gradient(circle at 8% 92%, rgba(255, 61, 90, .14), transparent 58%);
  pointer-events: none;
}

.page-about .about-hero > .container {
  position: relative;
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-about .about-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6.6vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -.02em;
  margin: 12px 0 18px;
  color: var(--white);
  text-shadow: 0 0 28px rgba(255, 197, 61, .20);
}

.page-about .about-hero__title em {
  font-style: normal;
  color: var(--gold);
  text-shadow: 0 0 20px rgba(255, 197, 61, .5);
  animation: about-breathe 3s ease-in-out infinite;
}

.page-about .about-hero__lede {
  max-width: 42em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--about-muted);
  margin: 0 0 22px;
}

.page-about .about-hero__panel {
  background: rgba(255, 255, 255, .06);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 22px;
  backdrop-filter: blur(14px);
}

.page-about .about-hero__panel-head {
  font-size: 12px;
  letter-spacing: .26em;
  color: var(--gold);
  margin: 0 0 16px;
}

.page-about .about-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .about-facts__item {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line);
}

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

.page-about .about-facts__num {
  font-family: var(--font-display);
  font-size: 1.7rem;
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--gold);
  min-width: 3.4em;
}

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

/* ---------- 通栏氛围图 ---------- */
.page-about .about-banner-section {
  padding-top: clamp(8px, 2vw, 20px);
}

.page-about .about-banner {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-about .about-banner img {
  filter: saturate(1.05);
}

.page-about .about-banner__caption {
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--mist);
}

/* ---------- 正文骨架 ---------- */
.page-about .about-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: clamp(36px, 6vw, 76px);
  align-items: start;
}

/* ---------- 左侧章节轨道 ---------- */
.page-about .about-rail {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(20, 20, 31, .92), rgba(10, 10, 18, .55));
}

.page-about .about-rail__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .3em;
  color: var(--mist);
}

.page-about .about-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-about .about-rail__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 10px;
  border-left: 2px solid transparent;
  color: var(--mist);
  font-size: 14px;
  text-decoration: none;
  transition: color .2s, background .2s, border-color .2s;
}

.page-about .about-rail__link:hover {
  color: var(--white);
  background: var(--glass-2);
}

.page-about .about-rail__link.is-active,
.page-about .about-rail__link[aria-current="true"] {
  color: var(--gold);
  background: rgba(255, 197, 61, .08);
  border-left-color: var(--gold);
}

.page-about .about-rail__year {
  font-family: var(--font-display);
  font-size: 12px;
  color: var(--gold-deep);
}

.page-about .about-rail__link.is-active .about-rail__year {
  color: var(--gold);
  text-shadow: 0 0 12px rgba(255, 197, 61, .6);
}

/* ---------- 章节 ---------- */
.page-about .about-chapter {
  padding-block: clamp(30px, 5vw, 60px);
  border-top: 1px solid var(--line);
  scroll-margin-top: 120px;
}

.page-about .about-chapter:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-about .about-chapter__sign {
  display: inline-flex;
  align-items: center;
  margin: 0 0 14px;
  padding: 5px 13px;
  border: 1px solid rgba(255, 197, 61, .35);
  border-radius: 999px;
  background: rgba(255, 197, 61, .06);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--gold);
}

.page-about .about-chapter__title {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3.6vw, 2.05rem);
  line-height: 1.22;
  letter-spacing: -.01em;
  margin: 0 0 16px;
  color: var(--white);
}

.page-about .about-chapter__lede {
  max-width: 42em;
  margin: 0 0 22px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--about-muted);
}

.page-about .about-chapter__body p {
  max-width: 42em;
  margin: 0 0 16px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--about-ink);
}

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

.page-about .about-chapter__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-about .about-chapter__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-about .about-note {
  max-width: 42em;
  margin-top: 20px;
  padding: 16px 18px;
  border-left: 3px solid var(--green);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--glass-2);
  color: var(--white);
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 团队条块 ---------- */
.page-about .about-team {
  display: grid;
  gap: 14px;
  margin-top: 4px;
}

.page-about .about-team__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--slate);
  transition: border-color .2s, transform .2s, box-shadow .2s;
}

.page-about .about-team__row:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(0, 0, 0, .42);
}

.page-about .about-team__meta {
  display: flex;
  align-items: center;
  gap: 14px;
}

.page-about .about-team__num {
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1;
  color: var(--gold);
  min-width: 1.6em;
  text-shadow: 0 0 16px rgba(255, 197, 61, .35);
}

.page-about .about-team__role {
  margin: 0;
  font-size: 1.06rem;
  font-family: var(--font-display);
  color: var(--white);
}

.page-about .about-team__share {
  font-size: 13px;
  color: var(--mist);
}

.page-about .about-team__detail {
  display: grid;
  gap: 10px;
}

.page-about .about-team__track {
  height: 8px;
  border-radius: 999px;
  background: var(--slate-2);
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-about .about-team__bar {
  display: block;
  height: 100%;
  border-radius: 999px;
}

.page-about .about-team__bar--edit {
  width: 37.5%;
  background: linear-gradient(90deg, var(--gold-deep), var(--gold));
}

.page-about .about-team__bar--tech {
  width: 25%;
  background: linear-gradient(90deg, #0E9C79, var(--green));
}

.page-about .about-team__bar--care {
  width: 20.8%;
  background: linear-gradient(90deg, #C42B45, var(--red));
}

.page-about .about-team__bar--review {
  width: 16.7%;
  background: linear-gradient(90deg, #6E45C4, var(--violet));
}

.page-about .about-team__desc {
  margin: 0;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
  transition: color .2s;
}

.page-about .about-team__row:hover .about-team__desc {
  color: var(--about-ink);
}

/* ---------- 时间线 ---------- */
.page-about .about-timeline {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  position: relative;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--gold), var(--violet) 72%, transparent);
  opacity: .55;
}

.page-about .about-timeline__item {
  position: relative;
  padding: 0 0 30px 32px;
}

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

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(255, 197, 61, .12), 0 0 18px rgba(255, 197, 61, .55);
  animation: about-breathe 3s ease-in-out infinite;
}

.page-about .about-timeline__year {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--gold);
  margin-bottom: 6px;
}

.page-about .about-timeline__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.16rem;
  color: var(--white);
}

.page-about .about-timeline__text {
  margin: 0;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--about-ink);
}

/* ---------- 收束 ---------- */
.page-about .about-cta {
  margin-top: clamp(28px, 5vw, 56px);
}

.page-about .about-cta__box {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid rgba(255, 197, 61, .28);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 92% 10%, rgba(255, 197, 61, .16), transparent 58%),
    linear-gradient(135deg, var(--slate), var(--ink));
}

.page-about .about-cta__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3.2vw, 1.9rem);
  color: var(--white);
}

.page-about .about-cta__text {
  margin: 0 0 22px;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--about-muted);
}

@keyframes about-breathe {
  0%, 100% { opacity: 1; }
  50% { opacity: .85; }
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-about .about-team__row {
    grid-template-columns: 190px minmax(0, 1fr);
    align-items: center;
    gap: 22px;
  }
}

@media (min-width: 860px) {
  .page-about .about-chapter__grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: clamp(24px, 4vw, 48px);
    align-items: start;
  }

  .page-about .about-chapter__grid--flip {
    grid-template-columns: 320px minmax(0, 1fr);
  }
}

@media (min-width: 1000px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: end;
  }

  .page-about .about-hero__panel {
    padding: 26px;
  }

  .page-about .about-body {
    grid-template-columns: var(--about-rail-w) minmax(0, 1fr);
    gap: 64px;
  }

  .page-about .about-rail {
    position: sticky;
    top: 96px;
    padding: 20px 18px;
  }

  .page-about .about-rail__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }

  .page-about .about-rail__link {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-hero__title em,
  .page-about .about-timeline__item::before {
    animation: none;
  }

  .page-about .about-team__row:hover {
    transform: none;
  }
}
<<<END>>>