.page-about {
  --about-hair: rgba(245, 247, 250, 0.14);
  --about-hair-soft: rgba(245, 247, 250, 0.07);
  --about-track: rgba(201, 138, 75, 0.55);
  background: var(--ink);
  color: var(--ivory);
  overflow-x: clip;
}

.page-about .section {
  padding-block: clamp(2.75rem, 7vw, 5.5rem);
}

.page-about .about-engine__head,
.page-about .about-team__head,
.page-about .about-reach__head,
.page-about .about-miles__head {
  max-width: 62ch;
  margin-bottom: clamp(1.5rem, 3.5vw, 2.75rem);
}

.page-about h2 {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  line-height: 1.14;
  letter-spacing: -0.01em;
  margin: 0.4rem 0 0.75rem;
}

.page-about h3 {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  line-height: 1.25;
  margin: 0 0 0.5rem;
}

.page-about p {
  margin: 0 0 0.85rem;
  line-height: 1.75;
}

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

.page-about .panel__lead,
.page-about .about-hero__lede,
.page-about .about-hero__sub,
.page-about .about-origin__text > p,
.page-about .panel__lead + p {
  color: var(--ink-soft);
}

/* ---------- 首屏 ---------- */

.page-about .about-hero {
  position: relative;
  padding-block: clamp(1.75rem, 5vw, 3.5rem) clamp(2.5rem, 7vw, 5rem);
  border-bottom: 1px solid var(--about-hair-soft);
  background:
    radial-gradient(115% 80% at 88% 0%, rgba(34, 211, 238, 0.11), transparent 62%),
    radial-gradient(95% 75% at 6% 100%, rgba(201, 138, 75, 0.13), transparent 66%);
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(1.75rem, 5vw, 3.25rem);
  align-items: center;
}

.page-about .about-hero__eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 1rem;
}

.page-about .about-hero__eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--neon);
  display: inline-block;
}

.page-about .about-hero h1 {
  font-family: var(--font-display);
  font-size: var(--fs-h1);
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin: 0 0 1rem;
  max-width: 16ch;
}

.page-about .about-hero__lede {
  font-size: var(--fs-body);
  max-width: 46ch;
  margin-bottom: 0.85rem;
}

.page-about .about-hero__sub {
  font-size: var(--fs-small);
  max-width: 48ch;
  padding-left: 1rem;
  border-left: 2px solid rgba(34, 211, 238, 0.5);
  margin-bottom: 1.75rem;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-about .about-hero__visual {
  position: relative;
  min-height: 320px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--about-hair);
  background:
    linear-gradient(158deg, rgba(17, 31, 58, 0.92), rgba(11, 18, 32, 0.72));
  box-shadow: var(--shadow-panel);
  overflow: hidden;
}

.page-about .about-hero__court {
  position: absolute;
  inset: 6% 6% 6% 6%;
  width: 88%;
  height: 88%;
}

.page-about .about-hero__clock {
  position: absolute;
  right: clamp(0.75rem, 3vw, 1.5rem);
  bottom: clamp(0.75rem, 3vw, 1.5rem);
  display: grid;
  grid-template-columns: auto auto;
  grid-template-areas:
    "dot value"
    "label label";
  align-items: center;
  column-gap: 0.5rem;
  padding: 0.7rem 1rem;
  border-radius: var(--radius);
  background: rgba(11, 18, 32, 0.72);
  border: 1px solid var(--about-hair);
  backdrop-filter: blur(10px);
}

.page-about .about-hero__clock .pulse-dot {
  grid-area: dot;
}

.page-about .about-hero__clock-val {
  grid-area: value;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--neon);
  letter-spacing: 0.04em;
  line-height: 1;
}

.page-about .about-hero__clock-label {
  grid-area: label;
  margin-top: 0.35rem;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--mist);
}

/* ---------- 品牌起点 ---------- */

.page-about .about-origin {
  background: linear-gradient(180deg, transparent, rgba(17, 31, 58, 0.6) 40%, transparent);
}

.page-about .about-origin__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  align-items: start;
}

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

.page-about .about-origin__figure img,
.page-about .about-team__figure img,
.page-about .about-miles__figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.92) contrast(1.04);
}

.page-about .about-origin__text {
  padding-top: 0.25rem;
}

.page-about .about-origin__list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.page-about .about-origin__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  align-items: start;
  padding-bottom: 0.9rem;
  border-bottom: 1px dashed var(--about-hair-soft);
}

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

.page-about .about-origin__list span.u-num {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--wood);
  letter-spacing: 0.06em;
  padding-top: 0.15rem;
}

.page-about .about-origin__list p {
  margin: 0;
  color: var(--ink-soft);
  font-size: var(--fs-small);
}

/* ---------- 团队 ---------- */

.page-about .about-team__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: start;
}

.page-about .about-team__board {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: 1fr;
}

.page-about .team-card {
  position: relative;
  padding: 1.15rem 1.25rem 1.25rem;
  border-radius: var(--radius);
  background: linear-gradient(140deg, rgba(17, 31, 58, 0.92), rgba(11, 18, 32, 0.6));
  border: 1px solid var(--about-hair);
  transition: transform 320ms var(--ease-out), border-color 320ms var(--ease-out), box-shadow 320ms var(--ease-out);
}

.page-about .team-card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 18%;
  bottom: 18%;
  width: 3px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--neon), rgba(255, 90, 31, 0));
}

.page-about .team-card:hover,
.page-about .team-card:focus-within {
  transform: translateY(-4px);
  border-color: rgba(255, 90, 31, 0.45);
  box-shadow: 0 18px 40px -28px rgba(255, 90, 31, 0.9);
}

.page-about .team-card__num {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--neon);
  letter-spacing: 0.04em;
  line-height: 1;
  display: block;
  margin-bottom: 0.5rem;
}

.page-about .team-card__role {
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
}

.page-about .team-card__text {
  margin: 0;
  font-size: var(--fs-small);
  color: var(--ink-soft);
}

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

/* ---------- 内容与数据能力 ---------- */

.page-about .about-engine {
  border-top: 1px solid var(--about-hair-soft);
  background:
    radial-gradient(100% 60% at 100% 0%, rgba(34, 211, 238, 0.08), transparent 65%);
}

.page-about .about-engine__grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

.page-about .engine-step {
  position: relative;
  padding: 1.3rem 1.25rem 1.4rem;
  border-radius: var(--radius);
  background: var(--glass);
  border: 1px solid var(--about-hair);
  backdrop-filter: blur(8px);
}

.page-about .engine-step__index {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.18em;
  color: var(--cyan);
  display: block;
  margin-bottom: 0.75rem;
}

.page-about .engine-step__title {
  font-size: 1.08rem;
  margin-bottom: 0.45rem;
}

.page-about .engine-step__text {
  margin: 0;
  font-size: var(--fs-small);
  color: var(--ink-soft);
}

.page-about .about-engine__more {
  margin-top: 1.5rem;
  font-size: var(--fs-small);
  color: var(--ink-soft);
}

/* ---------- 浙江覆盖 ---------- */

.page-about .about-reach__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: start;
}

.page-about .about-reach__stats {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: 1fr;
}

.page-about .reach-stat {
  padding: 1.1rem 1.2rem 1.2rem;
  border-radius: var(--radius);
  border: 1px solid var(--about-hair);
  background: linear-gradient(150deg, rgba(17, 31, 58, 0.85), rgba(11, 18, 32, 0.5));
}

.page-about .reach-stat__num {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 6vw, 2.75rem);
  font-weight: 700;
  line-height: 1;
  color: var(--ivory);
  letter-spacing: -0.01em;
  display: inline-block;
  margin-right: 0.5rem;
}

.page-about .reach-stat__unit {
  font-size: var(--fs-small);
  color: var(--cyan);
  letter-spacing: 0.04em;
}

.page-about .reach-stat__text {
  margin: 0.6rem 0 0;
  font-size: var(--fs-small);
  color: var(--ink-soft);
}

.page-about .about-reach__note {
  border-radius: var(--radius-lg);
}

.page-about .about-reach__note-lead {
  color: var(--ivory);
  font-size: var(--fs-body);
}

.page-about .about-reach__facts {
  margin: 1.25rem 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-about .about-reach__facts > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px dashed var(--about-hair-soft);
}

.page-about .about-reach__facts dt {
  font-size: var(--fs-small);
  color: var(--mist);
}

.page-about .about-reach__facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--neon);
  letter-spacing: 0.02em;
}

.page-about .about-reach__note-foot {
  margin: 0;
  font-size: var(--fs-small);
  color: var(--ink-soft);
}

/* ---------- 里程碑 ---------- */

.page-about .about-miles {
  border-top: 1px solid var(--about-hair-soft);
}

.page-about .about-miles__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: start;
}

.page-about .about-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 2.5rem;
  position: relative;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--wood), rgba(201, 138, 75, 0.12));
}

.page-about .about-timeline__item {
  position: relative;
  padding-bottom: 1.75rem;
}

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

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: -2.5rem;
  top: 6px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--wood);
  transition: background 320ms var(--ease-out), border-color 320ms var(--ease-out), box-shadow 320ms var(--ease-out);
}

.page-about .about-timeline__item.is-current::before {
  background: var(--neon);
  border-color: var(--neon);
  box-shadow: 0 0 0 6px rgba(255, 90, 31, 0.18);
}

.page-about .about-timeline__year {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--wood);
  display: block;
  margin-bottom: 0.35rem;
  transition: color 320ms var(--ease-out);
}

.page-about .about-timeline__item.is-current .about-timeline__year {
  color: var(--neon);
}

.page-about .about-timeline__body h3 {
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
}

.page-about .about-timeline__body p {
  margin: 0;
  font-size: var(--fs-small);
  color: var(--ink-soft);
}

.page-about .about-miles__figure {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--about-hair);
  max-width: 420px;
}

/* ---------- 承诺与备案 ---------- */

.page-about .about-commit__board {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
}

.page-about .about-commit__main p {
  color: var(--ink-soft);
  max-width: 48ch;
}

.page-about .about-commit__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.page-about .about-commit__list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.page-about .about-commit__list > div {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  gap: 0.75rem;
  align-items: baseline;
  padding-bottom: 0.65rem;
  border-bottom: 1px dashed var(--about-hair-soft);
}

.page-about .about-commit__list > div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-about .about-commit__list dt {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-about .about-commit__list dd {
  margin: 0;
  font-size: var(--fs-small);
  color: var(--ivory);
  word-break: break-word;
}

.page-about .about-commit__list dd a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, 0.35);
}

.page-about .about-commit__list dd a:hover,
.page-about .about-commit__list dd a:focus-visible {
  color: var(--ivory);
  border-bottom-color: var(--ivory);
}

/* ---------- 动效 ---------- */

.page-about [data-reveal] {
  transition: opacity 620ms var(--ease-out), transform 620ms var(--ease-out);
}

.has-js .page-about [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
}

.has-js .page-about [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .page-about [data-reveal],
  .page-about .team-card,
  .page-about .about-timeline__item::before {
    transition: none;
  }

  .has-js .page-about [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 断点 ---------- */

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

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

  .page-about .about-commit__list > div {
    grid-template-columns: 8rem 1fr;
  }
}

@media (min-width: 900px) {
  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-about .about-reach__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  }

  .page-about .about-miles__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.85fr);
  }

  .page-about .about-miles__figure {
    position: sticky;
    top: 5.5rem;
    max-width: none;
  }

  .page-about .about-commit__board {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(2rem, 5vw, 3.5rem);
  }

  .page-about .about-hero__visual {
    min-height: 440px;
  }
}

@media (min-width: 1180px) {
  .page-about .about-engine__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
<<<END>>>