.page-about {
  --about-tl-left: 84px;
  --about-gap: clamp(14px, 2.4vw, 22px);
  background: var(--ink-900);
  color: var(--ice);
}

.page-about .crumbs {
  margin-top: clamp(14px, 3vw, 26px);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5vw, 60px) 0 clamp(30px, 5vw, 58px);
  border-bottom: 1px solid var(--grid);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  right: -18%;
  bottom: -34%;
  width: min(80%, 640px);
  aspect-ratio: 1 / 1;
  background: linear-gradient(118deg, rgba(182, 255, 59, 0.18), rgba(255, 138, 42, 0.1) 56%, rgba(7, 17, 31, 0) 74%);
  transform: rotate(-14deg);
  pointer-events: none;
}

.page-about .about-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-about h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6vw, 60px);
  line-height: 1.03;
  letter-spacing: -0.02em;
}

.page-about .lede {
  max-width: 48ch;
  margin-top: 16px;
  color: var(--cool);
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.8;
}

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

.page-about .about-hero-aside {
  background: var(--ink-800);
  border: 1px solid var(--grid);
  border-top: 3px solid var(--lime);
  padding: 4px 18px 8px;
}

.page-about .hero-facts {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .hero-facts li {
  display: grid;
  grid-template-columns: minmax(88px, auto) minmax(0, 1fr);
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--grid);
}

.page-about .hero-facts li:last-child {
  border-bottom: 0;
}

.page-about .num-xl {
  font-family: var(--font-mono);
  font-size: clamp(26px, 4.4vw, 38px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--lime);
  transition: color var(--dur) var(--ease);
}

.page-about .num-xl.stat-value--warm {
  color: var(--orange);
}

.page-about .hero-facts li:hover .num-xl {
  color: var(--orange);
}

.page-about .hero-fact-label {
  font-size: 13px;
  line-height: 1.65;
  color: var(--cool);
}

/* ---------- 通用段落标题 ---------- */
.page-about .about-head {
  max-width: 64ch;
}

.page-about .about-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 3.5vw, 38px);
  line-height: 1.1;
  letter-spacing: -0.015em;
}

.page-about .section-lead {
  margin-top: 14px;
  color: var(--cool);
  font-size: 15px;
  line-height: 1.8;
}

.page-about .about-text p,
.page-about .about-paragraph {
  color: var(--cool);
  font-size: 15px;
  line-height: 1.85;
}

.page-about .about-text p + p,
.page-about .about-paragraph + .about-paragraph {
  margin-top: 14px;
}

/* ---------- 品牌起点 ---------- */
.page-about .about-origin {
  padding-top: clamp(34px, 6vw, 70px);
  padding-bottom: clamp(34px, 6vw, 70px);
}

.page-about .origin-grid {
  display: grid;
  gap: clamp(24px, 3.5vw, 40px);
  margin-top: clamp(24px, 3.5vw, 38px);
}

.page-about .origin-side {
  background: var(--ink-800);
  border: 1px solid var(--grid);
  padding: 20px 18px 8px;
}

.page-about .origin-side-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0.01em;
  color: var(--ice);
  margin: 0 0 6px;
}

.page-about .origin-tags {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .origin-tags li {
  padding: 14px 0;
  border-top: 1px solid var(--grid);
}

.page-about .origin-tags p {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--cool);
}

/* ---------- 编辑流程 ---------- */
.page-about .about-flow-section {
  padding-top: clamp(34px, 6vw, 70px);
  padding-bottom: clamp(34px, 6vw, 70px);
}

.page-about .about-flow {
  display: grid;
  gap: clamp(24px, 3.5vw, 40px);
  margin-top: clamp(24px, 3.5vw, 38px);
}

.page-about .shot {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--grid);
  background: var(--ink-800);
}

.page-about .shot img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about .shot--3x2 {
  aspect-ratio: 3 / 2;
}

.page-about .shot--3x4 {
  aspect-ratio: 3 / 4;
}

.page-about .shot--1x1 {
  aspect-ratio: 1 / 1;
  clip-path: polygon(0 0, 100% 0, 100% 86%, 86% 100%, 0 100%);
}

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

.page-about .about-steps li {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--grid);
  transition: border-color var(--dur) var(--ease);
}

.page-about .about-steps li:last-child {
  border-bottom: 1px solid var(--grid);
}

.page-about .about-steps li:hover {
  border-color: var(--lime);
}

.page-about .step-no {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--lime);
  padding-top: 2px;
}

.page-about .step-body h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: 0.01em;
  color: var(--ice);
}

.page-about .step-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--cool);
}

/* ---------- 时间轴 ---------- */
.page-about .about-timeline {
  padding-top: clamp(34px, 6vw, 70px);
  padding-bottom: clamp(34px, 6vw, 70px);
  border-top: 1px solid var(--grid);
}

.page-about .v-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.page-about .v-chip {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  text-decoration: none;
  color: var(--cool);
  padding: 7px 12px;
  border: 1px solid var(--grid);
  background: var(--ink-800);
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .v-chip:hover,
.page-about .v-chip:focus-visible {
  color: var(--on-lime);
  background: var(--lime);
  border-color: var(--lime);
}

.page-about .tl-layout {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  margin-top: clamp(20px, 3vw, 32px);
}

.page-about .tl {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .tl-item {
  position: relative;
  display: grid;
  grid-template-columns: var(--about-tl-left) minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0 22px;
  border-top: 1px solid var(--grid);
}

.page-about .tl-item::before {
  content: "";
  position: absolute;
  left: var(--about-tl-left);
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--grid);
}

.page-about .tl-item:last-child::before {
  bottom: 42%;
}

.page-about .tl-item::after {
  content: "";
  position: absolute;
  left: var(--about-tl-left);
  top: 30px;
  width: 9px;
  height: 9px;
  background: var(--lime);
  transform: translateX(-4px) rotate(45deg);
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-about .tl-item:hover::after,
.page-about .tl-item:focus-within::after {
  background: var(--orange);
  transform: translateX(-4px) rotate(45deg) scale(1.4);
}

.page-about .tl-year {
  display: block;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--ice);
}

.page-about .tl-version {
  display: inline-block;
  margin-top: 8px;
  padding: 3px 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.09em;
  color: var(--lime);
  border: 1px solid var(--grid);
}

.page-about .tl-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.3;
  color: var(--ice);
}

.page-about .tl-text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--cool);
}

.page-about .tl-extra {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
  padding-left: 12px;
  border-left: 2px solid var(--grid);
}

.page-about .tl-figure {
  margin: 0;
}

/* ---------- 团队带 ---------- */
.page-about .about-team {
  background: var(--ink-800);
  border-top: 3px solid var(--lime);
  border-bottom: 1px solid var(--grid);
  padding-top: clamp(30px, 5vw, 58px);
  padding-bottom: clamp(30px, 5vw, 58px);
}

.page-about .team-stats {
  list-style: none;
  margin: clamp(22px, 3.4vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--grid);
  border: 1px solid var(--grid);
}

.page-about .team-stat {
  background: var(--ink-800);
  padding: 18px 16px;
  transition: background var(--dur) var(--ease);
}

.page-about .team-stat:hover {
  background: var(--panel);
}

.page-about .stat-value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 3.2vw, 32px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--lime);
}

.page-about .stat-value--warm {
  color: var(--orange);
}

.page-about .stat-label {
  display: block;
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--cool);
}

.page-about .role-grid {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.page-about .role {
  background: var(--ink-900);
  border: 1px solid var(--grid);
  border-left: 3px solid var(--grid);
  padding: 18px 18px 20px;
  transition: border-left-color var(--dur) var(--ease);
}

.page-about .role:hover {
  border-left-color: var(--orange);
}

.page-about .role-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  color: var(--ice);
}

.page-about .role p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--cool);
}

/* ---------- 云南本地服务 ---------- */
.page-about .about-loc {
  padding-top: clamp(34px, 6vw, 70px);
  padding-bottom: clamp(34px, 6vw, 70px);
}

.page-about .loc-grid {
  display: grid;
  gap: clamp(24px, 3.6vw, 42px);
  align-items: start;
}

.page-about .loc-text .about-title {
  margin-bottom: 16px;
}

.page-about .loc-meter {
  margin-top: 26px;
  border: 1px solid var(--grid);
  background: var(--ink-800);
  padding: 16px 16px 18px;
}

.page-about .loc-meter-head {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 12px;
}

.page-about .loc-meter-label {
  font-size: 13px;
  color: var(--cool);
}

.page-about .loc-figure {
  margin: 0;
}

/* ---------- 协作方式 ---------- */
.page-about .about-eco {
  padding-top: clamp(34px, 6vw, 70px);
  padding-bottom: clamp(34px, 6vw, 70px);
}

.page-about .eco-grid {
  display: grid;
  gap: 1px;
  margin-top: clamp(22px, 3.4vw, 34px);
  background: var(--grid);
  border: 1px solid var(--grid);
}

.page-about .eco-item {
  background: var(--panel);
  padding: 22px 18px 24px;
  transition: background var(--dur) var(--ease);
}

.page-about .eco-item:hover {
  background: var(--ink-800);
}

.page-about .eco-no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-about .eco-item h3 {
  margin: 10px 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  color: var(--ice);
}

.page-about .eco-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--cool);
}

/* ---------- 结尾行动区 ---------- */
.page-about .about-cta-wrap {
  padding-bottom: clamp(40px, 7vw, 84px);
}

.page-about .about-cta {
  background: var(--lime);
  color: var(--on-lime);
  padding: clamp(26px, 4.4vw, 48px);
  display: grid;
  gap: 24px;
  align-items: center;
}

.page-about .cta-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.4vw, 34px);
  line-height: 1.1;
  letter-spacing: -0.015em;
}

.page-about .about-cta p {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(4, 16, 28, 0.78);
  max-width: 56ch;
}

.page-about .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .btn-dark {
  display: inline-block;
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  background: var(--on-lime);
  color: var(--lime);
  border: 1px solid var(--on-lime);
  border-radius: 0;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-about .btn-dark:hover,
.page-about .btn-dark:focus-visible {
  background: transparent;
  color: var(--on-lime);
}

/* ---------- 悬停展开（仅指针设备） ---------- */
@media (min-width: 900px) and (hover: hover) {
  .page-about .tl-extra {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
    overflow: hidden;
    transition: max-height 0.32s var(--ease), opacity 0.32s var(--ease), margin-top 0.32s var(--ease);
  }

  .page-about .tl-item:hover .tl-extra,
  .page-about .tl-item:focus-within .tl-extra {
    max-height: 140px;
    opacity: 1;
    margin-top: 12px;
  }
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-about .role-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-about .team-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-cta {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  }

  .page-about .cta-actions {
    justify-content: flex-end;
  }
}

@media (min-width: 900px) {
  .page-about {
    --about-tl-left: 132px;
  }

  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-about .origin-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-about .about-flow {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-about .tl-layout {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-about .tl-figure {
    position: sticky;
    top: 88px;
  }

  .page-about .loc-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  }

  .page-about .tl-year {
    font-size: 24px;
  }
}
<<<END>>>