.page-about {
  --about-rule: rgba(47, 227, 208, .2);
  --about-rule-soft: rgba(47, 227, 208, .09);
  --about-tint: rgba(203, 246, 74, .07);
  padding-bottom: 3rem;
}

.page-about .breadcrumb {
  padding-top: 1.5rem;
}

.page-about .breadcrumb__sep {
  margin: 0 .5rem;
  color: var(--mist);
  font-family: var(--font-mono);
  opacity: .6;
}

/* ---------- 首屏 ---------- */

.page-about .about-hero {
  position: relative;
  padding: 1.25rem 0 2.5rem;
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: -10%;
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--about-rule));
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: min(22rem, 55%);
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent);
  pointer-events: none;
}

.page-about .about-hero__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .14em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-about .about-hero__title {
  margin: .7rem 0 1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.9rem, 6.4vw, 3.4rem);
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--paper);
  max-width: 20ch;
}

.page-about .about-hero__lead {
  margin: 0;
  max-width: 34rem;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-hero__marks {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem .6rem;
  margin-top: 1.75rem;
}

.page-about .hmk {
  display: inline-flex;
  align-items: baseline;
  gap: .45rem;
  padding: .5rem .9rem;
  border: 1px solid var(--about-rule);
  border-radius: 999px;
  background: var(--glass-soft);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  font-size: .8125rem;
  color: var(--mist);
  white-space: nowrap;
}

.page-about .hmk__num {
  font-family: var(--font-mono);
  font-size: .9375rem;
  font-weight: 700;
  color: var(--lime);
  letter-spacing: -.01em;
}

/* ---------- 场景 ---------- */

.page-about .scenes {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
}

.page-about .scene {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: .9rem;
  padding: 1.35rem 0;
  border-top: 1px solid var(--about-rule-soft);
}

.page-about .scene:last-child {
  border-bottom: 1px solid var(--about-rule-soft);
}

.page-about .scene__num {
  padding-top: .3rem;
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-about .scene__body h3 {
  margin: 0 0 .4rem;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--paper);
}

.page-about .scene__body p {
  margin: 0;
  max-width: 36rem;
  font-size: .9375rem;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 时间线 ---------- */

.page-about .tl {
  position: relative;
  margin-top: 1.9rem;
}

.page-about .tl::before {
  content: "";
  position: absolute;
  left: 3.1rem;
  top: .8rem;
  bottom: .8rem;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), rgba(47, 227, 208, .12));
  opacity: .55;
  pointer-events: none;
}

.page-about .tl-row {
  position: relative;
  display: grid;
  grid-template-columns: 2.6rem 1fr;
  gap: 1rem;
  padding: 1.15rem 0;
}

.page-about .tl-row::after {
  content: "";
  position: absolute;
  left: calc(3.1rem - 4px);
  top: 1.55rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ink-800);
  border: 2px solid var(--cyan);
}

.page-about .tl-row.is-done::after {
  background: var(--cyan);
}

.page-about .tl-year {
  font-family: var(--font-mono);
  font-size: .9375rem;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--cyan);
  padding-top: .1rem;
}

.page-about .tl-body h3 {
  margin: 0 0 .35rem;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--paper);
}

.page-about .tl-body p {
  margin: 0;
  max-width: 36rem;
  font-size: .9375rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-about .about-tl__fig {
  margin: 1.9rem 0 0;
  position: relative;
  overflow: hidden;
  border-radius: var(--r-md);
  border: 1px solid var(--about-rule-soft);
}

.page-about .about-tl__fig .media__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 4;
  object-fit: cover;
  filter: saturate(.85) brightness(.82);
}

/* ---------- 内容与数据 ---------- */

.page-about .made-grid {
  align-items: start;
}

.page-about .steps {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
  counter-reset: none;
}

.page-about .step {
  position: relative;
  padding: 0 0 1.3rem 2.4rem;
  border-left: 1px solid var(--about-rule-soft);
  margin-left: .4rem;
}

.page-about .step:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-about .step::before {
  content: "";
  position: absolute;
  left: -4px;
  top: .35rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ink-800);
  border: 1.5px solid var(--cyan);
}

.page-about .step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .12em;
  color: var(--cyan);
  opacity: .8;
  margin-bottom: .2rem;
}

.page-about .step h3 {
  margin: 0 0 .3rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
}

.page-about .step p {
  margin: 0;
  max-width: 30rem;
  font-size: .875rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-about .made-fig {
  margin: 1.75rem 0 0;
  position: relative;
  overflow: hidden;
  border-radius: var(--r-md);
  border: 1px solid var(--about-rule-soft);
}

.page-about .made-fig .media__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(.8) brightness(.85);
}

/* ---------- 覆盖范围 ---------- */

.page-about .cov {
  margin-top: 1.9rem;
  display: grid;
  gap: 1px;
  background: var(--about-rule-soft);
  border: 1px solid var(--about-rule-soft);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-about .cov-cell {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  padding: 1.4rem 1.25rem 1.55rem;
  background: var(--ink-700);
}

.page-about .cov-num {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: .35rem;
  font-family: var(--font-mono);
  font-size: clamp(2rem, 7vw, 2.9rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--lime);
}

.page-about .cov-num span {
  font-size: .8125rem;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--mist);
}

.page-about .cov-label {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
}

.page-about .cov-note {
  margin: 0;
  max-width: 28rem;
  font-size: .8125rem;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 浙江本地 ---------- */

.page-about .about-local__fig {
  margin: 0;
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--about-rule-soft);
  border-bottom: 1px solid var(--about-rule-soft);
}

.page-about .about-local__fig .media__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  filter: saturate(.9) brightness(.78);
}

.page-about .about-local__body {
  padding-top: 2rem;
}

.page-about .local-points {
  display: grid;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.page-about .local-point h3 {
  margin: 0 0 .4rem;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--paper);
  padding-left: .85rem;
  border-left: 2px solid var(--cyan);
}

.page-about .local-point p {
  margin: 0;
  padding-left: .85rem;
  max-width: 32rem;
  font-size: .9375rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-about .local-stat {
  margin: 1.75rem 0 0;
  padding: 1rem 1.15rem;
  border-radius: var(--r-md);
  background: var(--about-tint);
  border: 1px solid var(--about-rule-soft);
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-about .local-stat__num {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--lime);
  margin-right: .35rem;
}

/* ---------- 团队构成 ---------- */

.page-about .team-tags {
  list-style: none;
  margin: 1.9rem 0 0;
  padding: 0;
  display: grid;
  gap: .85rem;
}

.page-about .team-tag {
  padding: 1.2rem 1.15rem 1.3rem;
  border: 1px solid var(--about-rule);
  border-radius: var(--r-md);
  background: var(--glass-soft);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  transition: border-color 200ms ease, transform 200ms ease, background-color 200ms ease;
}

.page-about .team-tag:hover,
.page-about .team-tag:focus-within {
  border-color: var(--cyan);
  transform: translateY(-2px);
  background: var(--glass);
}

.page-about .team-tag__num {
  display: block;
  margin-bottom: .5rem;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-about .team-tag h3 {
  margin: 0 0 .35rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
}

.page-about .team-tag p {
  margin: 0;
  font-size: .875rem;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 合作生态 ---------- */

.page-about .eco {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
}

.page-about .eco-item {
  margin-left: .25rem;
  padding: 1.15rem 0 1.15rem 1.1rem;
  border-left: 2px solid var(--about-rule);
  transition: border-color 180ms ease;
}

.page-about .eco-item:hover {
  border-left-color: var(--cyan);
}

.page-about .eco-item h3 {
  margin: 0 0 .35rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
}

.page-about .eco-item p {
  margin: 0;
  max-width: 34rem;
  font-size: .9375rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-about .eco-side {
  margin: 1.6rem 0 0;
  padding: 1.35rem 1.25rem 1.45rem;
  border-radius: var(--r-md);
  background: var(--ink-900);
  border: 1px solid var(--about-rule-soft);
}

.page-about .eco-side__num {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: .35rem;
  font-family: var(--font-mono);
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--lime);
}

.page-about .eco-side__num span {
  font-size: .8125rem;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--mist);
}

.page-about .eco-side__label {
  margin: .6rem 0 .5rem;
  font-size: .9375rem;
  color: var(--paper);
}

.page-about .eco-side__note {
  margin: 0;
  font-size: .8125rem;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 四条主线 ---------- */

.page-about .threads {
  list-style: none;
  margin: 1.9rem 0 0;
  padding: 0;
  border-top: 1px solid var(--about-rule-soft);
}

.page-about .thread {
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  gap: .9rem;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--about-rule-soft);
  transition: background-color 180ms ease;
}

.page-about .thread:hover {
  background: rgba(47, 227, 208, .035);
}

.page-about .thread__num {
  padding-top: .2rem;
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .1em;
  color: var(--lime);
}

.page-about .thread__body h3 {
  margin: 0 0 .35rem;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--paper);
}

.page-about .thread__body p {
  margin: 0 0 .6rem;
  max-width: 36rem;
  font-size: .9375rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-about .thread__link {
  display: inline-block;
  font-size: .875rem;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 180ms ease, color 180ms ease;
}

.page-about .thread__link:hover,
.page-about .thread__link:focus-visible {
  border-bottom-color: var(--cyan);
  color: var(--focus);
}

/* ---------- 结尾入口 ---------- */

.page-about .about-cta {
  margin-top: 2.5rem;
}

.page-about .about-cta__box {
  padding: 1.75rem 1.35rem;
  border: 1px solid var(--about-rule);
  border-radius: var(--r-lg);
  background: linear-gradient(135deg, rgba(47, 227, 208, .09), rgba(255, 122, 60, .07));
}

.page-about .about-cta__title {
  margin: 0 0 .5rem;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 4vw, 1.6rem);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-about .about-cta__lead {
  margin: 0;
  max-width: 32rem;
  font-size: .9375rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.35rem;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-about .scene {
    grid-template-columns: 3rem 1fr;
    gap: 1.2rem;
    padding: 1.5rem 0;
  }

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

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

  .page-about .local-points {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
  }

  .page-about .about-cta__box {
    padding: 2.25rem 2rem;
  }
}

@media (min-width: 768px) {
  .page-about .tl-row {
    grid-template-columns: 4rem 1fr;
    gap: 1.5rem;
    padding: 1.35rem 0;
  }

  .page-about .tl::before {
    left: 3.6rem;
  }

  .page-about .tl-row::after {
    left: calc(3.6rem - 4px);
    top: 1.75rem;
  }

  .page-about .tl-year {
    font-size: 1rem;
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero {
    padding: 2rem 0 3.25rem;
  }

  .page-about .about-hero__eyebrow {
    font-size: .8125rem;
  }

  .page-about .made-grid {
    gap: 2.5rem;
  }

  .page-about .made-fig {
    margin-top: 3.5rem;
  }

  .page-about .cov {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-about .cov-cell:nth-child(1) {
    grid-column: span 3;
  }

  .page-about .cov-cell:nth-child(2) {
    grid-column: span 3;
  }

  .page-about .cov-cell:nth-child(3) {
    grid-column: span 2;
  }

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

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

  .page-about .eco-grid {
    align-items: start;
    gap: 2.5rem;
  }

  .page-about .eco-item {
    padding: 1.35rem 0 1.35rem 1.35rem;
  }

  .page-about .thread {
    grid-template-columns: 3.25rem 1fr;
    gap: 1.25rem;
    padding: 1.6rem 0;
  }

  .page-about .about-cta__box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    padding: 2.5rem 2.25rem;
  }

  .page-about .about-cta__actions {
    margin-top: 0;
    flex: 0 0 auto;
  }
}
<<<END>>>