.page-about {
  --about-rail: 84px;
  --about-card-offset: 0px;
  background: var(--ink);
  color: var(--white);
  scroll-behavior: smooth;
  overflow-x: clip;
}

.page-about .section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 6vw, 40px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  margin: 10px 0 18px;
}

.page-about .kicker {
  font-family: var(--font-mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.page-about .prose {
  color: var(--muted);
  max-width: 68ch;
}

.page-about a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(25, 240, 200, 0.35);
  transition: color 140ms var(--ease), border-color 140ms var(--ease);
}

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

/* ---------- 首屏 ---------- */

.page-about .about-hero {
  position: relative;
  padding: calc(var(--header-h) + 40px) 0 0;
  border-bottom: 1px solid var(--line);
  isolation: isolate;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(90deg, rgba(36, 59, 54, 0.7) 1px, transparent 1px);
  background-size: calc(100% / 12) 100%;
  opacity: 0.42;
  pointer-events: none;
  z-index: -1;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  top: -140px;
  right: -160px;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(25, 240, 200, 0.14), transparent 68%);
  pointer-events: none;
  z-index: -1;
}

.page-about .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
}

.page-about .hero-copy .breadcrumb {
  margin-bottom: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-about .hero-copy .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .hero-copy .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-about .hero-copy .breadcrumb a {
  border-bottom: none;
  color: var(--muted);
}

.page-about .hero-copy .breadcrumb a:hover {
  color: var(--cyan);
}

.page-about .hero-copy h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 8.4vw, 68px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 14px 0 20px;
  color: var(--white);
}

.page-about .hero-copy h1::after {
  content: "";
  display: block;
  width: 96px;
  height: 3px;
  margin-top: 22px;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
}

.page-about .hero-copy .lead {
  font-size: clamp(15px, 3.6vw, 17px);
  line-height: 1.8;
  color: var(--muted);
  max-width: 60ch;
  margin-bottom: 28px;
}

.page-about .hero-copy .btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 首屏右侧视觉 */

.page-about .hero-visual {
  position: relative;
  min-height: 320px;
  padding: 24px 0 24px 32px;
  border-left: 1px solid var(--line);
}

.page-about .hero-glow {
  position: absolute;
  top: 12%;
  left: -30px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 106, 31, 0.22), transparent 70%);
  pointer-events: none;
}

.page-about .hero-slab {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 58%;
  background: linear-gradient(180deg, rgba(30, 42, 40, 0.9), rgba(11, 31, 26, 0.2));
  clip-path: polygon(22% 0, 100% 0, 100% 100%, 0 100%);
  border-top: 1px solid var(--line);
  pointer-events: none;
}

.page-about .hero-scale {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-about .hero-scale li {
  display: grid;
  grid-template-columns: 22px auto 1fr;
  align-items: center;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px dashed rgba(36, 59, 54, 0.8);
  transition: background 160ms var(--ease);
}

.page-about .hero-scale li:last-child {
  border-bottom: none;
}

.page-about .hero-scale li:hover {
  background: rgba(25, 240, 200, 0.06);
}

.page-about .hero-tick {
  width: 22px;
  height: 1px;
  background: var(--line);
}

.page-about .hero-yr {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.04em;
  color: var(--white);
}

.page-about .hero-note {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-about .hero-scale .is-now .hero-tick {
  background: var(--cyan);
  box-shadow: 0 0 0 1px rgba(25, 240, 200, 0.4);
}

.page-about .hero-scale .is-now .hero-yr {
  color: var(--cyan);
}

.page-about .hero-scale .is-now .hero-note {
  color: var(--gold);
}

/* 首屏数据条 */

.page-about .hero-stats {
  list-style: none;
  margin: 44px 0 0;
  padding: 0 0 34px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
}

.page-about .hero-stats li {
  background: var(--ink);
  padding: 20px 18px 22px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-about .stat-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 34px;
  line-height: 1;
  color: var(--white);
  letter-spacing: -0.02em;
}

.page-about .stat-unit {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-about .stat-label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 时间轴 ---------- */

.page-about .axis-head {
  max-width: 74ch;
  margin-bottom: 34px;
}

.page-about .axis-figure {
  margin: 0 0 46px;
  position: relative;
}

.page-about .axis-figure img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.08) brightness(0.86);
}

.page-about .media-frame {
  position: relative;
  border: 1px solid var(--line);
  background: var(--charcoal);
  overflow: hidden;
}

.page-about .media-frame__tag {
  position: absolute;
  z-index: 2;
  top: 0;
  left: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 7px 12px;
  background: var(--orange);
  color: var(--ink);
}

.page-about .media-frame__caption {
  position: relative;
  padding: 14px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: var(--charcoal);
}

.page-about .axis-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-about .axis-rail {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
}

.page-about .rail-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 10px;
}

.page-about .axis-rail ul {
  display: flex;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-about .axis-rail a {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 0 0 auto;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--slate);
  color: var(--white);
  transition: border-color 140ms var(--ease), background 140ms var(--ease), transform 140ms var(--ease);
}

.page-about .axis-rail a:hover,
.page-about .axis-rail a:focus-visible {
  border-color: var(--cyan);
  background: rgba(25, 240, 200, 0.1);
  transform: translateY(-2px);
  color: var(--white);
}

.page-about .axis-rail .num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.04em;
}

.page-about .rail-text {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

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

.page-about .axis-item {
  position: relative;
  padding: 0 0 30px 38px;
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-about .axis-item::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 22px;
  bottom: -4px;
  width: 1px;
  background: var(--line);
}

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

.page-about .axis-item:last-child::before {
  display: none;
}

.page-about .axis-dot {
  position: absolute;
  left: 4px;
  top: 8px;
  width: 11px;
  height: 11px;
  background: var(--ink);
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
  transition: background 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-about .axis-item:hover .axis-dot,
.page-about .axis-item:focus-within .axis-dot {
  background: var(--cyan);
  box-shadow: 0 0 0 5px rgba(25, 240, 200, 0.14);
}

.page-about .axis-card {
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(30, 42, 40, 0.92), rgba(20, 22, 26, 0.96));
  padding: 20px 18px 22px;
  transition: border-color 160ms var(--ease), transform 160ms var(--ease);
}

.page-about .axis-item:hover .axis-card,
.page-about .axis-item:focus-within .axis-card {
  border-color: rgba(25, 240, 200, 0.55);
  transform: translateY(-3px);
}

.page-about .axis-item.is-now .axis-card {
  border-color: rgba(231, 180, 74, 0.45);
  background: linear-gradient(160deg, rgba(30, 42, 40, 0.96), rgba(11, 31, 26, 0.98));
}

.page-about .axis-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
}

.page-about .axis-year {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 26px;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-about .axis-item.is-now .axis-year {
  color: var(--gold);
}

.page-about .axis-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 4vw, 23px);
  line-height: 1.36;
  margin: 0 0 12px;
  color: var(--white);
}

.page-about .axis-card p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-about .axis-facts {
  list-style: none;
  margin: 0;
  padding: 12px 0 0;
  border-top: 1px dashed var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .axis-facts li {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 5px 9px;
  border: 1px solid var(--line);
  color: var(--muted);
}

/* ---------- 迭代节奏 ---------- */

.page-about .about-cadence {
  background: var(--charcoal);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-about .cadence-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
  align-items: start;
}

.page-about .cadence-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-about .cadence-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .cadence-when {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-about .cadence-what {
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
}

.page-about .cadence-why {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-about .cadence-note {
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
  padding-left: 14px;
  border-left: 2px solid var(--gold);
}

.page-about .cadence-note .num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--gold);
}

.page-about .cadence-chart-wrap {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--slate);
  padding: 18px 14px 14px;
}

.page-about .cadence-chart {
  width: 100%;
  height: auto;
  display: block;
}

.page-about .chart-rules line {
  stroke: var(--line);
  stroke-width: 1;
  stroke-dasharray: 3 5;
}

.page-about .chart-area {
  fill: rgba(25, 240, 200, 0.09);
  stroke: none;
}

.page-about .chart-line {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 2;
  stroke-linejoin: round;
}

.page-about .chart-points circle {
  fill: var(--ink);
  stroke: var(--cyan);
  stroke-width: 2;
}

.page-about .chart-points circle.is-now {
  fill: var(--orange);
  stroke: var(--gold);
}

.page-about .chart-labels text {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.08em;
  fill: var(--muted);
}

.page-about .cadence-chart-wrap figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

/* ---------- 团队 ---------- */

.page-about .team-head {
  max-width: 74ch;
  margin-bottom: 32px;
}

.page-about .team-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

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

.page-about .team-figure img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  display: block;
  filter: saturate(0.8) contrast(1.1) brightness(0.84);
}

.page-about .team-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-about .team-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-about .team-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 15px;
  border: 1px solid var(--line);
  background: var(--slate);
  color: var(--muted);
  font-size: 14px;
  cursor: pointer;
  transition: border-color 140ms var(--ease), color 140ms var(--ease), background 140ms var(--ease);
}

.page-about .team-label .num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  color: var(--white);
}

.page-about .team-label:hover {
  border-color: var(--cyan);
  color: var(--white);
}

.page-about .team-radio:focus-visible + .team-radio + .team-radio + .team-labels .team-label {
  outline: none;
}

.page-about .team-label:focus-within {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-about .team-panel {
  display: none;
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  background: linear-gradient(150deg, rgba(30, 42, 40, 0.94), rgba(20, 22, 26, 0.98));
  padding: 22px 20px 24px;
}

.page-about .team-panel h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 4vw, 22px);
  margin: 0 0 12px;
  color: var(--white);
}

.page-about .team-panel p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-about .team-panel ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .team-panel li {
  position: relative;
  padding: 9px 0 9px 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--white);
  border-bottom: 1px dashed var(--line);
}

.page-about .team-panel li:last-child {
  border-bottom: none;
}

.page-about .team-panel li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 9px;
  height: 1px;
  background: var(--orange);
}

.page-about #role-edit:checked ~ .team-labels [for="role-edit"],
.page-about #role-ops:checked ~ .team-labels [for="role-ops"],
.page-about #role-care:checked ~ .team-labels [for="role-care"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

.page-about #role-edit:checked ~ .team-labels [for="role-edit"] .num,
.page-about #role-ops:checked ~ .team-labels [for="role-ops"] .num,
.page-about #role-care:checked ~ .team-labels [for="role-care"] .num {
  color: var(--ink);
}

.page-about #role-edit:checked ~ .team-panels .team-panel--edit,
.page-about #role-ops:checked ~ .team-panels .team-panel--ops,
.page-about #role-care:checked ~ .team-panels .team-panel--care {
  display: block;
}

/* ---------- 时效标准 ---------- */

.page-about .about-sla {
  background: var(--charcoal);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-about .sla-head {
  max-width: 74ch;
  margin-bottom: 32px;
}

.page-about .sla-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin: 0 0 24px;
}

.page-about .sla-cell {
  background: var(--ink);
  padding: 22px 20px 24px;
  border-top: 2px solid var(--line);
  transition: background 160ms var(--ease);
}

.page-about .sla-cell--cyan {
  border-top-color: var(--cyan);
}

.page-about .sla-cell--orange {
  border-top-color: var(--orange);
}

.page-about .sla-cell:hover {
  background: var(--slate);
}

.page-about .sla-cell dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}

.page-about .sla-cell dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-about .sla-big {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(21px, 5vw, 28px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--white);
  margin-bottom: 10px;
}

.page-about .sla-cell--cyan .sla-big {
  color: var(--cyan);
}

.page-about .sla-cell--orange .sla-big {
  color: var(--orange);
}

.page-about .sla-foot {
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  border-left: 2px solid var(--line);
  padding-left: 14px;
}

/* ---------- 覆盖范围 ---------- */

.page-about .reach-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-about .reach-figures {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .reach-figures li {
  background: var(--ink);
  padding: 18px 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-about .reach-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 30px;
  line-height: 1;
  color: var(--white);
  letter-spacing: -0.02em;
}

.page-about .reach-unit {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  margin-left: 4px;
}

.page-about .reach-label {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
}

.page-about .reach-cities {
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  background: rgba(30, 42, 40, 0.7);
  padding: 18px 18px 20px;
  margin-bottom: 22px;
}

.page-about .reach-cities-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--orange);
  margin: 0 0 12px;
}

.page-about .reach-cities ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .reach-cities li {
  font-size: 13px;
  letter-spacing: 0.06em;
  padding: 6px 11px;
  border: 1px solid var(--line);
  color: var(--white);
  background: var(--ink);
}

.page-about .reach-tail {
  font-size: 14px;
}

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

.page-about .reach-figure img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  filter: saturate(0.86) contrast(1.08) brightness(0.82);
}

/* ---------- 运营落地 ---------- */

.page-about .about-trust {
  padding-bottom: 72px;
}

.page-about .trust-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  border: 1px solid var(--line);
  background:
    linear-gradient(120deg, rgba(25, 240, 200, 0.07), transparent 42%),
    var(--charcoal);
  padding: 28px 22px 30px;
}

.page-about .trust-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-about .trust-facts {
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-about .trust-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .trust-row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-about .trust-row dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--white);
  word-break: break-word;
}

.page-about .trust-row .num {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--gold);
}

/* ---------- 断点 ---------- */

@media (min-width: 640px) {
  .page-about .hero-stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .cadence-list li {
    grid-template-columns: 108px 168px 1fr;
    align-items: baseline;
    gap: 14px;
  }

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

  .page-about .trust-row {
    grid-template-columns: 168px 1fr;
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    padding-top: calc(var(--header-h) + 64px);
  }

  .page-about .hero-grid {
    grid-template-columns: 7fr 5fr;
    gap: 56px;
  }

  .page-about .hero-visual {
    min-height: 440px;
    padding-left: 44px;
  }

  .page-about .hero-scale li {
    padding: 15px 0;
  }

  .page-about .hero-yr {
    font-size: 24px;
  }

  .page-about .cadence-grid {
    grid-template-columns: 5fr 7fr;
    gap: 52px;
  }

  .page-about .team-layout {
    grid-template-columns: 5fr 7fr;
    gap: 42px;
    align-items: start;
  }

  .page-about .team-figure img {
    height: 420px;
  }

  .page-about .reach-grid {
    grid-template-columns: 7fr 5fr;
    gap: 46px;
    align-items: start;
  }

  .page-about .trust-panel {
    grid-template-columns: 7fr 5fr;
    gap: 46px;
    padding: 40px 38px 42px;
  }
}

@media (min-width: 1040px) {
  .page-about .axis-layout {
    grid-template-columns: 176px 1fr;
    gap: 48px;
    align-items: start;
  }

  .page-about .axis-rail {
    position: sticky;
    top: calc(var(--header-h) + 26px);
    border-top: 1px solid var(--line);
    border-bottom: none;
    padding: 16px 0 0;
  }

  .page-about .axis-rail ul {
    flex-direction: column;
    gap: 6px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-about .axis-rail a {
    flex-direction: row;
    align-items: baseline;
    gap: 10px;
    border-color: transparent;
    border-left: 2px solid var(--line);
    background: transparent;
    padding: 9px 12px;
  }

  .page-about .axis-rail a:hover,
  .page-about .axis-rail a:focus-visible {
    border-left-color: var(--cyan);
    background: rgba(25, 240, 200, 0.08);
    transform: translateX(3px);
  }

  .page-about .axis-item {
    padding-left: 46px;
    padding-bottom: 38px;
  }

  .page-about .axis-item::before {
    left: 10px;
  }

  .page-about .axis-dot {
    left: 5px;
  }

  /* 事件卡片宽度交替错位 */
  .page-about .axis-card {
    max-width: 620px;
    padding: 26px 26px 28px;
  }

  .page-about .axis-item:nth-child(odd) .axis-card {
    margin-right: 0;
  }

  .page-about .axis-item:nth-child(even) .axis-card {
    margin-left: 68px;
  }

  .page-about .axis-item:nth-child(4n) .axis-card {
    margin-left: 136px;
  }

  .page-about .axis-item:nth-child(3n) .axis-card {
    margin-left: 0;
    margin-right: 96px;
  }

  .page-about .axis-year {
    font-size: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .axis-item:hover .axis-card,
  .page-about .axis-item:focus-within .axis-card,
  .page-about .axis-rail a:hover {
    transform: none;
  }

  .page-about * {
    transition-duration: 0.01ms !important;
  }
}