.page-about {
  --about-rail: 224px;
  --ln: #5CF2E6;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: 34px 0 56px;
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(880px 460px at 10% -12%, rgba(155, 123, 255, 0.24), transparent 70%),
    radial-gradient(680px 400px at 92% 4%, rgba(92, 242, 230, 0.16), transparent 72%),
    linear-gradient(180deg, #0B1220 0%, #05070F 100%);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  top: -120px;
  right: -80px;
  width: 340px;
  height: 340px;
  border: 1px solid rgba(92, 242, 230, 0.22);
  transform: rotate(28deg);
  pointer-events: none;
}

.page-about .about-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 22px;
}

.page-about .about-title {
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 6.4vw, 56px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-about .about-lede {
  max-width: 40em;
  margin: 0;
  font-size: 16px;
  line-height: 1.82;
  color: var(--ink);
}

.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-left: 12px;
  border-left: 1px solid var(--line);
}

.page-about .stat-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(28px, 5vw, 40px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan);
  text-shadow: 0 0 18px rgba(92, 242, 230, 0.45);
}

.page-about .stat-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-about .about-hero-aside {
  padding: 20px 18px;
  border: 1px solid var(--line);
  background: rgba(36, 19, 56, 0.5);
}

.page-about .aside-kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--violet);
  text-transform: uppercase;
}

.page-about .aside-list {
  margin: 0;
  padding: 0;
}

.page-about .aside-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px dashed rgba(154, 168, 192, 0.18);
  font-size: 13px;
}

.page-about .aside-row dt {
  flex: 0 0 auto;
  color: var(--muted);
}

.page-about .aside-row dd {
  margin: 0;
  text-align: right;
  color: var(--ink);
}

.page-about .aside-strong {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--amber);
}

.page-about .aside-foot {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 双栏骨架 ---------- */
.page-about .about-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding: 40px 0 72px;
}

.page-about .about-rail {
  order: 2;
  padding: 18px 16px;
  border: 1px solid var(--line-soft);
  background: var(--panel);
}

.page-about .rail-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-about .about-timeline {
  position: relative;
  margin: 0;
  padding: 0 0 0 20px;
  list-style: none;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, rgba(92, 242, 230, 0.8), rgba(155, 123, 255, 0.5), rgba(255, 184, 77, 0.35));
}

.page-about .tl-node {
  position: relative;
  padding-bottom: 16px;
}

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

.page-about .tl-node::before {
  content: "";
  position: absolute;
  left: -20px;
  top: 5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--void);
  border: 1px solid var(--cyan);
  transition: background 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-about .tl-node a {
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-decoration: none;
}

.page-about .tl-year {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--violet);
}

.page-about .tl-text {
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
  transition: color 0.2s var(--ease);
}

.page-about .tl-node:hover::before {
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(92, 242, 230, 0.6);
}

.page-about .tl-node:hover .tl-text,
.page-about .tl-node a:focus-visible .tl-text {
  color: var(--ink);
}

.page-about .about-main {
  order: 1;
  min-width: 0;
}

/* ---------- 章节 ---------- */
.page-about .about-chapter {
  padding: 0 0 40px;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--line-soft);
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-about .about-chapter:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-about .chapter-head {
  margin-bottom: 22px;
}

.page-about .chapter-idx {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
  padding-bottom: 4px;
  border-bottom: 1px solid rgba(92, 242, 230, 0.45);
}

.page-about .chapter-title {
  margin: 12px 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(23px, 4.2vw, 34px);
  line-height: 1.3;
  letter-spacing: -0.005em;
  color: var(--white);
}

.page-about .chapter-kicker {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--violet);
}

.page-about .prose p {
  color: var(--ink);
}

.page-about .prose p + p {
  margin-top: 16px;
}

.page-about .prose a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(92, 242, 230, 0.45);
}

.page-about .prose a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 图 ---------- */
.page-about .chapter-figure,
.page-about .team-figure {
  margin: 24px 0;
  border: 1px solid var(--line-soft);
  background: var(--panel);
  padding: 8px;
}

.page-about .chapter-figure img,
.page-about .team-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .chapter-figure .media-caption,
.page-about .team-figure .media-caption {
  display: block;
  padding: 8px 4px 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- 产品线 ---------- */
.page-about .line-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 26px;
}

.page-about .line-item {
  padding: 16px 16px 18px;
  border-left: 2px solid var(--ln);
  background: linear-gradient(90deg, rgba(92, 242, 230, 0.06), transparent 70%);
}

.page-about .line-item--violet {
  --ln: #9B7BFF;
  background: linear-gradient(90deg, rgba(155, 123, 255, 0.08), transparent 70%);
}

.page-about .line-item--amber {
  --ln: #FFB84D;
  background: linear-gradient(90deg, rgba(255, 184, 77, 0.08), transparent 70%);
}

.page-about .line-item--teal {
  --ln: #3E8C7A;
  background: linear-gradient(90deg, rgba(62, 140, 122, 0.1), transparent 70%);
}

.page-about .line-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ln);
}

.page-about .line-title {
  margin: 6px 0 6px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
}

.page-about .line-for {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

.page-about .line-item p:last-child {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

/* ---------- 团队 ---------- */
.page-about .team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

/* ---------- 版本标签页 ---------- */
.page-about .q-tabs {
  margin-top: 24px;
  border: 1px solid var(--line-soft);
  background: var(--panel);
}

.page-about .q-tabs .tablist {
  display: flex;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .q-tabs .tab {
  flex: 1 1 auto;
  padding: 12px 12px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-about .q-tabs .tab::after {
  display: none;
}

.page-about .q-tabs .tab[aria-selected="true"] {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-about .q-tabs .tab:hover {
  color: var(--ink);
}

.page-about .q-tabs .tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-about .q-tabs .tabpanel {
  padding: 20px 18px 22px;
}

.page-about .panel-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--white);
}

.page-about .q-tabs .tabpanel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

.page-about .version-note {
  margin-top: 22px;
  padding-left: 14px;
  border-left: 1px solid var(--line);
}

/* ---------- 门店标签墙 ---------- */
.page-about .shop-wall {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 26px;
  padding: 20px 16px;
  border: 1px solid var(--line-soft);
  background:
    repeating-linear-gradient(90deg, rgba(154, 168, 192, 0.05) 0 1px, transparent 1px 46px),
    var(--panel);
}

.page-about .shop-tag {
  position: relative;
  display: inline-block;
  padding: 7px 11px;
  border: 1px solid rgba(92, 242, 230, 0.3);
  background: rgba(92, 242, 230, 0.05);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink);
  transform: rotate(-0.7deg);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-about .shop-tag:nth-child(3n) {
  transform: rotate(0.8deg);
  border-color: rgba(155, 123, 255, 0.4);
  background: rgba(155, 123, 255, 0.07);
}

.page-about .shop-tag:nth-child(4n) {
  transform: rotate(-0.3deg);
  border-color: rgba(255, 184, 77, 0.36);
  background: rgba(255, 184, 77, 0.06);
}

.page-about .shop-tag:hover,
.page-about .shop-tag:focus-visible {
  border-color: var(--cyan);
  color: var(--white);
  transform: rotate(0) translateY(-2px);
  outline: none;
}

.page-about .shop-tip {
  position: absolute;
  left: 0;
  bottom: calc(100% + 7px);
  z-index: 6;
  padding: 5px 9px;
  border: 1px solid var(--cyan);
  background: var(--void);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  white-space: nowrap;
  opacity: 0;
  transform: translateY(4px);
  pointer-events: none;
  transition: opacity 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-about .shop-tag:hover .shop-tip,
.page-about .shop-tag:focus-visible .shop-tip {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 三条坚持 ---------- */
.page-about .pledge-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: pledge;
}

.page-about .pledge {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 4px 12px;
  padding: 18px 0;
  border-top: 1px solid var(--line-soft);
}

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

.page-about .pledge-idx {
  grid-row: span 2;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 22px;
  line-height: 1;
  color: var(--amber);
}

.page-about .pledge-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
}

.page-about .pledge p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink);
}

/* ---------- 出口 ---------- */
.page-about .about-exits {
  margin-top: 30px;
  padding: 22px 18px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(36, 19, 56, 0.85), rgba(11, 18, 32, 0.9));
}

.page-about .exits-lead {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-about .exit-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

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

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

  .page-about .exit-links {
    gap: 12px;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    padding: 44px 0 68px;
  }

  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 44px;
    align-items: start;
    margin-top: 28px;
  }

  .page-about .team-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 32px;
    align-items: start;
  }

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

  .page-about .q-tabs .tab {
    flex: 0 0 auto;
    padding: 13px 24px;
  }

  .page-about .q-tabs .tabpanel {
    padding: 24px 24px 26px;
  }
}

@media (min-width: 1040px) {
  .page-about .about-layout {
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
    gap: 52px;
    padding: 56px 0 88px;
  }

  .page-about .about-rail {
    order: 0;
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
    padding: 18px 16px 20px;
    background: linear-gradient(180deg, rgba(36, 19, 56, 0.75), rgba(11, 18, 32, 0.9));
  }

  .page-about .about-chapter {
    padding-bottom: 52px;
    margin-bottom: 52px;
  }
}

@media (max-width: 420px) {
  .page-about .shop-tip {
    white-space: normal;
    max-width: 200px;
  }
}
<<<END>>>