.page-about {
  background: var(--ink);
  color: var(--paper);
}

.page-about img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ---------- 顶部信息带 ---------- */
.page-about .ab-flagbar {
  background: #060907;
  border-bottom: 1px solid var(--grid);
}

.page-about .ab-flagbar__in {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 40px;
  padding-top: 6px;
  padding-bottom: 6px;
}

.page-about .ab-flagbar__mark {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--green);
  white-space: nowrap;
}

.page-about .ab-flagbar__spacer {
  flex: 1 1 auto;
}

.page-about .ab-flagbar__meta {
  color: var(--steel);
  letter-spacing: 0.04em;
  white-space: nowrap;
  font-size: 12px;
}

@media (max-width: 700px) {
  .page-about .ab-flagbar__meta--hide {
    display: none;
  }
}

/* ---------- 档案封面 ---------- */
.page-about .ab-mast {
  position: relative;
  padding: clamp(22px, 3.4vw, 40px) 0 clamp(30px, 4.6vw, 56px);
  background: linear-gradient(155deg, #0B0F0E 0%, #0C3B3A 62%, #23234B 100%);
  border-bottom: 2px solid var(--green);
  overflow: hidden;
}

.page-about .ab-mast::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(30, 42, 40, 0.55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 42, 40, 0.55) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity: 0.55;
  pointer-events: none;
}

.page-about .ab-mast > .wrap {
  position: relative;
  z-index: 1;
}

.page-about .ab-crumbs {
  margin-bottom: clamp(16px, 2.4vw, 28px);
}

.page-about .ab-mast__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 40px);
}

@media (min-width: 920px) {
  .page-about .ab-mast__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: end;
  }
}

.page-about .ab-mast__kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  border: 1px solid rgba(18, 224, 210, 0.45);
  padding: 4px 9px;
  margin-bottom: 16px;
}

.page-about .ab-mast h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(29px, 5.2vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  color: #FFFFFF;
  max-width: 20ch;
}

.page-about .ab-mast__intro {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.78;
  color: rgba(242, 245, 241, 0.86);
  max-width: 46ch;
  margin: 0;
}

.page-about .ab-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(30, 42, 40, 0.9);
  border: 1px solid rgba(30, 42, 40, 0.9);
  margin: clamp(18px, 2.4vw, 28px) 0 0;
}

@media (min-width: 620px) {
  .page-about .ab-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-about .ab-stats__cell {
  background: rgba(11, 15, 14, 0.78);
  padding: 11px 13px;
  min-width: 0;
}

.page-about .ab-stats__k {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel);
  margin-bottom: 5px;
}

.page-about .ab-stats__v {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(17px, 2.3vw, 22px);
  letter-spacing: -0.01em;
  color: var(--green);
}

.page-about .ab-stats__cell:nth-child(4) .ab-stats__v {
  color: var(--orange);
}

.page-about .ab-mast__media {
  margin: 0;
  border: 1px solid var(--grid);
  background: linear-gradient(140deg, rgba(22, 192, 90, 0.18), rgba(35, 35, 75, 0.5));
}

.page-about .ab-mast__media img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 主体骨架 ---------- */
.page-about .ab-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.6vw, 30px);
  padding-top: clamp(24px, 3.6vw, 44px);
  padding-bottom: clamp(24px, 3.6vw, 44px);
}

.page-about .ab-index {
  order: -1;
  border-bottom: 1px solid var(--grid);
  padding-bottom: 12px;
  min-width: 0;
}

.page-about .ab-index__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--steel);
  margin-bottom: 9px;
}

.page-about .ab-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-about .ab-tab {
  flex: 0 0 auto;
  display: flex;
  align-items: baseline;
  gap: 7px;
  padding: 8px 10px;
  border: 1px solid var(--grid);
  background: rgba(11, 15, 14, 0.5);
  color: var(--paper);
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.3;
  white-space: nowrap;
  transition: background var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    color var(--dur) var(--ease);
}

.page-about .ab-tab:hover,
.page-about .ab-tab:focus-visible {
  border-color: var(--green);
  background: rgba(22, 192, 90, 0.14);
  color: #FFFFFF;
}

.page-about .ab-tab__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--green);
}

@media (min-width: 1000px) {
  .page-about .ab-shell {
    grid-template-columns: minmax(0, 1fr) 168px;
    gap: 0 clamp(24px, 3vw, 46px);
    align-items: start;
  }

  .page-about .ab-index {
    order: 0;
    position: sticky;
    top: calc(var(--bar-h) + 20px);
    border-bottom: none;
    border-left: 1px solid var(--grid);
    padding: 4px 0 4px 16px;
  }

  .page-about .ab-index__list {
    flex-direction: column;
    overflow: visible;
    gap: 5px;
  }

  .page-about .ab-tab {
    white-space: normal;
  }
}

.page-about .ab-main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(18px, 2.6vw, 30px);
}

/* ---------- 区块共通 ---------- */
.page-about .ab-sec {
  position: relative;
  border: 1px solid var(--grid);
  border-left-width: 3px;
  border-left-color: var(--grid);
  padding: clamp(20px, 2.8vw, 34px) clamp(16px, 2.4vw, 32px);
  transition: border-left-color var(--dur-slow) var(--ease);
  min-width: 0;
}

.page-about .ab-sec.is-lit {
  border-left-color: var(--green);
}

.page-about .ab-sec--paper {
  background: var(--mist);
  color: #16201D;
}

.page-about .ab-sec--teal {
  background: var(--teal);
}

.page-about .ab-sec--indigo {
  background: var(--indigo);
}

.page-about .ab-sec__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.page-about .ab-sec__no {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 4px 8px;
  background: var(--green);
  color: var(--ink);
}

.page-about .ab-h2 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(19px, 2.2vw, 26px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin: 0;
}

.page-about .ab-lead {
  font-size: 15px;
  line-height: 1.78;
  margin: 0 0 18px;
  max-width: 60ch;
}

.page-about .ab-sec--paper .ab-lead {
  color: #384744;
}

.page-about .ab-sec--teal .ab-lead,
.page-about .ab-sec--indigo .ab-lead {
  color: rgba(242, 245, 241, 0.82);
}

.page-about .ab-sec__note {
  margin: 18px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--green);
  font-size: 14px;
  line-height: 1.75;
}

.page-about .ab-sec--paper .ab-sec__note {
  color: #46544F;
}

.page-about .ab-sec__note a {
  color: #0C7A46;
  text-decoration: none;
  border-bottom: 1px solid rgba(12, 122, 70, 0.45);
}

.page-about .ab-sec__note a:hover {
  border-bottom-color: var(--green);
}

/* ---------- 三类角色 ---------- */
.page-about .ab-roles {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

@media (min-width: 720px) {
  .page-about .ab-roles {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-about .ab-role:nth-child(2) {
    margin-top: 22px;
  }

  .page-about .ab-role:nth-child(3) {
    margin-top: 44px;
  }
}

.page-about .ab-role {
  border: 1px solid rgba(30, 42, 40, 0.22);
  background: transparent;
  display: flex;
  flex-direction: column;
  padding: 0 0 16px;
  min-width: 0;
  transition: border-color var(--dur) var(--ease);
}

.page-about .ab-role:hover {
  border-color: var(--green);
}

.page-about .ab-role__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  padding: 7px 11px;
  background: var(--indigo);
  color: var(--mist);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-about .ab-role:hover .ab-role__tag {
  background: var(--green);
  color: var(--ink);
}

.page-about .ab-role__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.42;
  margin: 14px 14px 8px;
  color: #101917;
}

.page-about .ab-role__txt {
  margin: 0 14px;
  font-size: 14px;
  line-height: 1.74;
  color: #3E4B48;
}

/* ---------- 运营历程时间线 ---------- */
.page-about .ab-tl {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-about .ab-tl::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: rgba(242, 245, 241, 0.24);
}

.page-about .ab-tl__item {
  position: relative;
  padding: 0 0 18px 30px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
}

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

.page-about .ab-tl__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 15px;
  height: 15px;
  border: 1px solid var(--green);
  background: var(--teal);
}

.page-about .ab-tl__stamp {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--green);
}

.page-about .ab-tl__stamp em {
  font-style: normal;
  color: var(--steel);
  margin-left: 8px;
}

.page-about .ab-tl__txt {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(242, 245, 241, 0.84);
}

@media (min-width: 760px) {
  .page-about .ab-tl__item {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
    padding-left: 34px;
  }
}

.page-about .ab-tl__media {
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  border: 1px solid var(--grid);
  background: linear-gradient(120deg, rgba(18, 224, 210, 0.16), rgba(92, 18, 48, 0.4));
}

.page-about .ab-tl__media img {
  width: 100%;
  aspect-ratio: 5 / 3;
  object-fit: cover;
}

/* ---------- 核录三步 ---------- */
.page-about .ab-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: rgba(30, 42, 40, 0.22);
  border: 1px solid rgba(30, 42, 40, 0.22);
}

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

.page-about .ab-flow__step {
  background: #FFFFFF;
  padding: 18px 16px 20px;
  min-width: 0;
}

.page-about .ab-flow__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--green);
  margin-bottom: 8px;
}

.page-about .ab-flow__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.4;
  margin: 0 0 8px;
  color: #101917;
}

.page-about .ab-flow__txt {
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: #3E4B48;
}

/* ---------- 昆明本地服务 ---------- */
.page-about .ab-local {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

@media (min-width: 820px) {
  .page-about .ab-local {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: start;
    gap: 30px;
  }
}

.page-about .ab-cinfo {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(242, 245, 241, 0.18);
}

.page-about .ab-cinfo__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(242, 245, 241, 0.18);
}

@media (min-width: 560px) {
  .page-about .ab-cinfo__row {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 14px;
    align-items: baseline;
  }
}

.page-about .ab-cinfo__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-about .ab-cinfo__v {
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-about .ab-local__tip {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.76;
  color: rgba(242, 245, 241, 0.78);
  padding-left: 12px;
  border-left: 2px solid var(--orange);
}

.page-about .ab-local__media {
  margin: 0;
  border: 1px solid var(--grid);
  background: linear-gradient(160deg, rgba(12, 59, 58, 0.6), rgba(35, 35, 75, 0.5));
}

.page-about .ab-local__media img {
  width: 100%;
  aspect-ratio: 11 / 7;
  object-fit: cover;
}

/* ---------- 内容来源 ---------- */
.page-about .ab-src {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .ab-src__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 15px 0;
  border-top: 1px solid rgba(30, 42, 40, 0.18);
}

.page-about .ab-src__item:last-child {
  border-bottom: 1px solid rgba(30, 42, 40, 0.18);
}

@media (min-width: 700px) {
  .page-about .ab-src__item {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
  }
}

.page-about .ab-src__k {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.5;
  color: #101917;
}

.page-about .ab-src__v {
  margin: 0;
  font-size: 15px;
  line-height: 1.74;
  color: #3E4B48;
}

/* ---------- 收尾入口 ---------- */
.page-about .ab-cta {
  background: #060907;
  border-top: 2px solid var(--green);
  padding: clamp(26px, 3.6vw, 46px) 0;
}

.page-about .ab-cta__lead {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.8vw, 30px);
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin: 0 0 18px;
  color: #FFFFFF;
}

.page-about .ab-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
<<<END>>>