.page-about {
  --about-paper-muted: #4C5F59;
  --about-line-soft: rgba(111, 211, 199, 0.14);
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

.page-about .about-crumb {
  padding-top: 18px;
  position: relative;
  z-index: 2;
}

.page-about .breadcrumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-about .breadcrumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(184, 199, 194, 0.5);
}

.page-about .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  transition: color var(--speed) var(--ease);
}

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

/* ---------- 首屏 ---------- */

.page-about .about-hero {
  position: relative;
  padding: 26px 0 56px;
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: -150px;
  right: -120px;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle at 42% 42%, rgba(168, 255, 96, 0.16), transparent 64%);
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  right: -200px;
  bottom: -260px;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, rgba(76, 58, 143, 0.45), transparent 66%);
  pointer-events: none;
}

.page-about .about-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 34px;
  align-items: start;
}

.page-about .about-hero-eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-about .about-hero h1 {
  margin: 16px 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 6vw, 3.5rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  max-width: 16em;
}

.page-about .about-hero-lead {
  margin: 0;
  max-width: 36em;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--muted);
}

.page-about .hero-facts {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: 1px solid var(--about-line-soft);
}

.page-about .hero-facts li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 13px 2px;
  border-bottom: 1px solid var(--about-line-soft);
  font-size: 0.93rem;
  line-height: 1.7;
}

.page-about .hero-facts .mono {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--lime);
}

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

.page-about .hero-figure {
  position: relative;
  margin: 0;
  border-radius: 30px 30px 30px 88px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: var(--panel);
  box-shadow: 0 34px 80px -46px rgba(0, 0, 0, 0.95);
}

.page-about .hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-about .hero-figure::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, transparent 50%, rgba(168, 255, 96, 0.26) 50%);
  pointer-events: none;
}

.page-about .hero-figure figcaption {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  padding: 16px 18px 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  line-height: 1.6;
  color: var(--paper);
  background: linear-gradient(to top, rgba(4, 17, 14, 0.94), rgba(4, 17, 14, 0));
}

/* ---------- 历程时间轴 ---------- */

.page-about .about-story {
  padding: 54px 0;
  border-top: 1px solid var(--about-line-soft);
}

.page-about .about-story-grid {
  display: grid;
  gap: 30px;
  align-items: start;
}

.page-about .about-story-eyebrow,
.page-about .about-team-eyebrow,
.page-about .about-scope-eyebrow,
.page-about .about-trust-eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-about .about-story-aside h2,
.page-about .about-team-head h2,
.page-about .about-scope-head h2,
.page-about .about-trust-copy h2 {
  margin: 0;
}

.page-about .about-story-note {
  margin: 14px 0 0;
  font-size: 0.93rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-about .about-story-link {
  display: inline-block;
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(168, 255, 96, 0.35);
  padding-bottom: 4px;
}

.page-about .about-story-link:hover {
  border-bottom-color: var(--lime);
}

.page-about .about-timeline {
  position: relative;
  margin-left: 8px;
  padding-left: 22px;
  border-left: 1px solid var(--line-strong);
}

.page-about .about-tl {
  position: relative;
  padding: 0;
}

.page-about .about-tl::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 26px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 122, 61, 0.16);
}

.page-about .about-tl-heading,
.page-about .about-team-heading {
  margin: 0;
  font: inherit;
}

.page-about .about-tl-trigger {
  display: flex;
  align-items: baseline;
  gap: 14px;
  width: 100%;
  padding: 18px 0;
  background: none;
  border: 0;
  border-bottom: 1px solid var(--about-line-soft);
  color: var(--paper);
  font-family: var(--font-body);
  text-align: left;
  cursor: pointer;
  transition: color var(--speed) var(--ease);
}

.page-about .about-tl-trigger:hover,
.page-about .about-tl-trigger:focus-visible {
  color: var(--lime);
}

.page-about .about-tl-year {
  flex: none;
  min-width: 60px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--lime);
}

.page-about .about-tl-label {
  flex: 1 1 auto;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.55;
}

.page-about .about-tl-trigger .accordion-icon {
  flex: none;
  align-self: center;
}

.page-about .about-tl-panel {
  padding: 0 0 18px;
  border-bottom: 1px solid var(--about-line-soft);
}

.page-about .about-tl-panel p {
  margin: 14px 0 0;
  font-size: 0.93rem;
  line-height: 1.88;
  color: var(--muted);
}

/* ---------- 个人中心 ---------- */

.page-about .about-member {
  padding: 16px 0 60px;
}

.page-about .about-member-grid {
  display: grid;
  gap: 28px;
  align-items: center;
}

.page-about .member-figure {
  margin: 0 auto;
  max-width: 320px;
  width: 100%;
  border-radius: 26px 26px 72px 26px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: var(--panel);
}

.page-about .member-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.page-about .about-member-card {
  position: relative;
  overflow: hidden;
  background: var(--paper);
  color: var(--ink);
  border-radius: var(--r-xl);
  padding: 28px 22px;
}

.page-about .about-member-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, var(--lime), var(--cyan) 55%, var(--violet));
}

.page-about .about-member-eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--about-paper-muted);
}

.page-about .about-member-card h2 {
  margin: 10px 0 0;
  color: var(--ink);
}

.page-about .about-member-card p {
  margin: 14px 0 0;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--about-paper-muted);
}

.page-about .member-steps {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-about .member-steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--ink);
}

.page-about .step-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--ink-deep);
  background: var(--lime);
  border-radius: 999px;
  padding: 3px 10px;
  line-height: 1.5;
}

.page-about .about-member-card .member-note {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(7, 26, 22, 0.14);
  font-size: 0.84rem;
}

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

.page-about .about-member-card .btn--ghost {
  color: var(--ink);
  border-color: rgba(7, 26, 22, 0.3);
  background: transparent;
}

.page-about .about-member-card .btn--ghost:hover {
  border-color: var(--ink);
}

/* ---------- 团队与维护 ---------- */

.page-about .about-team {
  padding: 54px 0;
  border-top: 1px solid var(--about-line-soft);
}

.page-about .about-team-head {
  max-width: 64ch;
  margin-bottom: 28px;
}

.page-about .about-team-intro {
  margin: 14px 0 0;
  font-size: 0.94rem;
  line-height: 1.88;
  color: var(--muted);
}

.page-about .team-figure {
  margin: 0 0 30px;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-about .team-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-about .team-figure figcaption {
  padding: 12px 18px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--muted);
  background: var(--panel);
}

.page-about .about-team-item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 0 18px;
  margin-bottom: 12px;
  transition: border-color var(--speed) var(--ease), transform var(--speed) var(--ease);
}

.page-about .about-team-item:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.page-about .about-team-trigger {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 18px 0;
  background: none;
  border: 0;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.page-about .about-team-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-about .about-team-name {
  flex: 1 1 auto;
  line-height: 1.5;
}

.page-about .about-team-tag {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 3px 10px;
}

.page-about .about-team-trigger .accordion-icon {
  flex: none;
  align-self: center;
}

.page-about .about-team-panel {
  padding: 0 0 18px;
}

.page-about .about-team-panel p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.88;
  color: var(--muted);
}

/* ---------- 适用场景 ---------- */

.page-about .about-scope {
  padding: 6px 0 60px;
}

.page-about .about-scope-head {
  max-width: 58ch;
}

.page-about .scope-grid {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .scope-card {
  background: linear-gradient(152deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 24px 22px;
  transition: transform var(--speed) var(--ease), border-color var(--speed) var(--ease);
}

.page-about .scope-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
}

.page-about .scope-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--ink-deep);
  background: var(--lime);
  border-radius: 999px;
  padding: 2px 10px;
  margin-bottom: 14px;
}

.page-about .scope-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.45;
}

.page-about .scope-card p {
  margin: 10px 0 0;
  font-size: 0.9rem;
  line-height: 1.82;
  color: var(--muted);
}

/* ---------- 联系与站点信息 ---------- */

.page-about .about-trust {
  padding: 0 0 72px;
}

.page-about .about-trust-inner {
  background: linear-gradient(135deg, var(--violet-deep) 0%, var(--violet) 100%);
  border: 1px solid rgba(111, 211, 199, 0.2);
  border-radius: var(--r-xl);
  padding: 30px 22px;
}

.page-about .about-trust-copy h2 {
  color: var(--paper);
}

.page-about .about-trust-copy > p {
  margin: 14px 0 0;
  font-size: 0.93rem;
  line-height: 1.88;
  color: rgba(232, 246, 238, 0.82);
}

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

.page-about .about-trust-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-about .about-trust-list li {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(232, 246, 238, 0.18);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}

.page-about .about-trust-list .mono {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-about .about-hero {
    padding: 34px 0 68px;
  }

  .page-about .about-member-card {
    padding: 40px 38px;
  }

  .page-about .scope-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-about .about-trust-inner {
    padding: 44px 40px;
  }

  .page-about .about-trust-list li {
    grid-template-columns: 74px minmax(0, 1fr);
  }
}

@media (min-width: 900px) {
  .page-about .about-hero-inner {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 1fr);
    gap: 56px;
    align-items: center;
  }

  .page-about .hero-figure {
    transform: translateY(18px);
  }

  .page-about .about-story {
    padding: 72px 0;
  }

  .page-about .about-story-grid {
    grid-template-columns: minmax(210px, 3fr) minmax(0, 8fr);
    gap: 56px;
  }

  .page-about .about-member {
    padding: 24px 0 76px;
  }

  .page-about .about-member-grid {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    gap: 52px;
  }

  .page-about .about-member-card {
    padding: 46px 48px;
  }

  .page-about .about-team {
    padding: 72px 0;
  }

  .page-about .about-trust-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
    padding: 54px 52px;
  }

  .page-about .about-trust-list {
    margin-top: 0;
  }
}

@media (max-width: 600px) {
  .page-about .about-team-tag {
    display: none;
  }

  .page-about .about-tl-label {
    font-size: 0.95rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .scope-card,
  .page-about .about-team-item,
  .page-about .about-tl-trigger,
  .page-about .breadcrumbs a {
    transition: none;
  }

  .page-about .scope-card:hover,
  .page-about .about-team-item:hover {
    transform: none;
  }

  .page-about .hero-figure {
    transform: none;
  }
}
<<<PAGE_CSS_DONE>>>