.page-about {
  --ab-gap: clamp(20px, 4vw, 56px);
  --ab-shell: 1180px;
  --ab-line: rgba(159, 184, 172, 0.2);
  --ab-line-volt: rgba(232, 255, 58, 0.42);
  --ab-radius: 20px 20px 20px 6px;
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  line-height: 1.85;
  overflow-x: clip;
  padding-bottom: clamp(40px, 7vw, 80px);
}

.page-about *,
.page-about *::before,
.page-about *::after {
  box-sizing: border-box;
}

.page-about .about-shell {
  width: min(100% - (var(--ab-gap) * 2), var(--ab-shell));
  margin-inline: auto;
}

/* ---------- 面包屑 ---------- */
.page-about .breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: clamp(22px, 4vw, 44px);
  font-size: 13px;
  line-height: 1.5;
  color: var(--mist);
}

.page-about .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid var(--ab-line);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-about .breadcrumb a:hover,
.page-about .breadcrumb a:focus-visible {
  color: var(--volt);
  border-color: var(--ab-line-volt);
}

.page-about .breadcrumb span[aria-current] {
  color: var(--paper);
}

/* ---------- 通用文字 ---------- */
.page-about .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--volt);
}

.page-about .section-title {
  margin: 0 0 0.55em;
  font-size: clamp(26px, 4.6vw, 42px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-about .lead {
  margin: 0 0 1.2em;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.9;
  color: var(--mist);
  max-width: 34em;
}

.page-about p {
  margin: 0 0 1.1em;
  font-size: 16px;
}

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

.page-about a {
  color: var(--volt);
  text-decoration: none;
  border-bottom: 1px solid var(--ab-line-volt);
}

.page-about a:hover,
.page-about a:focus-visible {
  color: var(--paper);
  border-color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  display: grid;
  gap: clamp(30px, 5vw, 52px);
  padding: clamp(26px, 5vw, 54px) 0 clamp(44px, 8vw, 96px);
}

.page-about .about-hero h1 {
  margin: 0 0 22px;
  font-size: clamp(34px, 7vw, 66px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--paper);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

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

.page-about .about-fact {
  background: var(--ink-700);
  padding: 16px 14px;
}

.page-about .about-fact dt {
  font-size: 12px;
  letter-spacing: 0.1em;
  line-height: 1.5;
  color: var(--mist);
}

.page-about .about-fact dd {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin: 8px 0 0;
}

.page-about .about-fact__num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.6vw, 34px);
  font-weight: 700;
  line-height: 1;
  color: var(--volt);
}

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

/* ---------- 区块 ---------- */
.page-about .about-block {
  position: relative;
  padding: clamp(50px, 8vw, 104px) 0;
}

.page-about .about-block--turf {
  background: var(--ink-700);
  clip-path: polygon(0 clamp(16px, 3vw, 40px), 100% 0, 100% 100%, 0 100%);
  padding-top: clamp(74px, 11vw, 136px);
  padding-bottom: clamp(70px, 10vw, 118px);
}

.page-about .about-block--deep {
  background: #041E19;
}

.page-about .about-block--wine {
  background: linear-gradient(158deg, var(--wine) 0%, #48132A 100%);
}

.page-about .about-block--indigo {
  background: linear-gradient(202deg, var(--indigo) 0%, #16183E 100%);
}

.page-about .about-block--paper {
  background: var(--paper);
  color: var(--ink-text);
  border-radius: clamp(22px, 3.4vw, 44px) clamp(22px, 3.4vw, 44px) 8px 8px;
}

.page-about .about-block--paper .eyebrow {
  color: var(--turf-500);
}

.page-about .about-block--paper .section-title {
  color: var(--ink-text);
}

.page-about .about-block--paper .lead {
  color: #3A5049;
}

.page-about .about-block--paper a {
  color: var(--turf-500);
  border-color: rgba(21, 122, 90, 0.4);
}

.page-about .about-block--paper a:hover,
.page-about .about-block--paper a:focus-visible {
  color: var(--ink-text);
  border-color: var(--ink-text);
}

.page-about .about-head {
  max-width: 46em;
}

/* ---------- 起点分栏 ---------- */
.page-about .about-split {
  display: grid;
  gap: clamp(26px, 5vw, 56px);
}

.page-about .about-split__main {
  max-width: 38em;
}

.page-about .about-quote {
  border-left: 3px solid var(--volt);
  padding: 2px 0 2px 20px;
}

.page-about .about-quote__text {
  margin: 0 0 12px;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 900;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-about .about-quote__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 团队 ---------- */
.page-about .about-teamshot {
  position: relative;
  margin: 0 0 clamp(32px, 6vw, 62px);
  border-radius: var(--ab-radius);
  overflow: hidden;
}

.page-about .about-teamshot img {
  display: block;
  width: 100%;
  height: clamp(210px, 34vw, 430px);
  object-fit: cover;
  filter: saturate(0.82) contrast(1.06) brightness(0.9);
}

.page-about .media__tag {
  position: absolute;
  left: 0;
  bottom: 0;
  display: block;
  margin: 0;
  padding: 8px 16px 8px 14px;
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.03em;
  color: var(--paper);
  background: rgba(6, 42, 34, 0.86);
  border-top: 2px solid var(--volt);
  border-top-right-radius: 12px;
}

.page-about .about-lanes {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
  margin-top: clamp(28px, 5vw, 52px);
}

.page-about .about-lane {
  position: relative;
  padding: clamp(22px, 3vw, 30px);
  background: var(--ink-700);
  border-radius: var(--ab-radius);
  border-top: 3px solid var(--turf-500);
}

.page-about .about-lane--mid {
  border-top-color: var(--volt);
}

.page-about .about-lane--last {
  border-top-color: var(--wine);
}

.page-about .about-lane__no {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.page-about .about-lane__title {
  margin: 0 0 12px;
  font-size: clamp(19px, 2.3vw, 23px);
  font-weight: 800;
  line-height: 1.35;
  color: var(--paper);
}

.page-about .about-lane p {
  font-size: 15px;
  color: rgba(244, 246, 241, 0.82);
}

.page-about .about-lane__list {
  display: grid;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-lane__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-about .about-lane__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--volt);
}

/* ---------- 版本时间轴 ---------- */
.page-about .about-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 clamp(30px, 5vw, 52px);
}

.page-about .about-jump a {
  padding: 7px 15px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.4;
  color: var(--mist);
  border: 1px solid var(--ab-line);
  border-radius: 999px;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.page-about .about-jump a:hover,
.page-about .about-jump a:focus-visible {
  color: var(--volt);
  border-color: var(--ab-line-volt);
  transform: translateY(-2px);
}

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

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 12px;
  bottom: 14px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg,
      var(--volt) 0%,
      var(--turf-500) 42%,
      rgba(159, 184, 172, 0.16) 100%);
}

.page-about .about-tl {
  position: relative;
  padding: 0 0 clamp(30px, 5vw, 52px) 40px;
}

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

.page-about .about-tl__node {
  position: absolute;
  left: 0;
  top: 6px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 2px solid var(--turf-500);
  transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-about .about-tl:target .about-tl__node,
.page-about .about-tl:last-child .about-tl__node {
  background: var(--volt);
  border-color: var(--volt);
  box-shadow: 0 0 0 5px rgba(232, 255, 58, 0.14);
}

.page-about .about-tl__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 8px;
}

.page-about .about-tl__gen {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--volt);
}

.page-about .about-tl__title {
  margin: 0 0 10px;
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 800;
  line-height: 1.4;
  color: var(--paper);
}

.page-about .about-tl__body p {
  max-width: 40em;
  font-size: 15px;
  color: var(--mist);
}

/* ---------- 数据 ---------- */
.page-about .about-data {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
}

.page-about .about-poll {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
  padding: 15px 18px;
  background: var(--ink-700);
  border-radius: 14px 14px 14px 4px;
  border-left: 3px solid var(--volt);
}

.page-about .about-poll__dot {
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--turf-500);
  animation: page-about-pulse 3s linear infinite;
}

.page-about .about-poll__dot:nth-child(1) { animation-delay: 0s; }
.page-about .about-poll__dot:nth-child(2) { animation-delay: 0.5s; }
.page-about .about-poll__dot:nth-child(3) { animation-delay: 1s; }
.page-about .about-poll__dot:nth-child(4) { animation-delay: 1.5s; }
.page-about .about-poll__dot:nth-child(5) { animation-delay: 2s; }
.page-about .about-poll__dot:nth-child(6) { animation-delay: 2.5s; }

.page-about .about-poll__cap {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
}

.page-about .about-data__figure {
  position: relative;
  margin: 0;
  border-radius: var(--ab-radius);
  overflow: hidden;
}

.page-about .about-data__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.9) brightness(0.86);
}

/* ---------- 十二栏目 ---------- */
.page-about .about-columns {
  display: grid;
  gap: clamp(22px, 3.4vw, 34px);
  margin-top: clamp(26px, 4vw, 44px);
}

.page-about .about-columns__group h3 {
  margin: 0 0 16px;
  padding-bottom: 10px;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--caution);
  border-bottom: 2px solid rgba(245, 197, 24, 0.34);
}

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

.page-about .about-columns__group li {
  padding-left: 12px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(244, 246, 241, 0.82);
  border-left: 2px solid rgba(244, 246, 241, 0.16);
}

.page-about .about-columns__group strong {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-about .about-columns__foot {
  margin: clamp(28px, 4vw, 42px) 0 0;
  font-size: 14px;
  color: rgba(244, 246, 241, 0.72);
}

/* ---------- 本地合作 ---------- */
.page-about .about-fans {
  display: grid;
  gap: clamp(26px, 4.6vw, 52px);
}

.page-about .about-fans__figure {
  position: relative;
  margin: 0;
  border-radius: var(--ab-radius);
  overflow: hidden;
}

.page-about .about-fans__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  filter: saturate(0.8) brightness(0.84);
}

.page-about .about-fans__text p {
  font-size: 15px;
  color: rgba(244, 246, 241, 0.84);
}

/* ---------- 做法 ---------- */
.page-about .about-facts {
  display: grid;
  gap: 0;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(11, 31, 26, 0.16);
}

.page-about .about-fact-row {
  display: grid;
  gap: 6px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(11, 31, 26, 0.16);
}

.page-about .about-fact-row__k {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--turf-500);
}

.page-about .about-fact-row__v {
  font-size: 15px;
  line-height: 1.85;
  color: #223A33;
}

.page-about .about-cta {
  display: grid;
  gap: 18px;
  margin-top: clamp(30px, 5vw, 52px);
  padding: clamp(22px, 3.4vw, 32px);
  background: #E4EAE2;
  border-radius: var(--ab-radius);
  border-left: 4px solid var(--ink-900);
}

.page-about .about-cta p {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-text);
}

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

/* ---------- 动效 ---------- */
@keyframes page-about-pulse {
  0%, 100% {
    background: var(--turf-500);
    transform: scale(1);
  }
  50% {
    background: var(--volt);
    transform: scale(1.34);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-poll__dot {
    animation: none;
  }
  .page-about .about-jump a,
  .page-about .about-tl__node {
    transition: none;
  }
  .page-about .about-jump a:hover,
  .page-about .about-jump a:focus-visible {
    transform: none;
  }
}

/* ---------- 中等屏 ---------- */
@media (min-width: 780px) {
  .page-about .about-columns {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .about-fact-row {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-about .about-split {
    grid-template-columns: minmax(0, 1.7fr) minmax(220px, 1fr);
    align-items: start;
  }

  .page-about .about-split__aside {
    padding-top: 5em;
  }

  .page-about .about-data {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 1fr);
    align-items: start;
  }

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

  .page-about .about-fans__figure {
    order: 0;
  }
}

@media (min-width: 940px) {
  .page-about .about-hero {
    grid-template-columns: minmax(0, 1.6fr) minmax(290px, 1fr);
    align-items: end;
  }

  .page-about .about-lanes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-about .about-lane--mid {
    margin-top: 44px;
  }

  .page-about .about-lane--last {
    margin-top: 18px;
  }
}
<<<END>>>