.page-about {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  padding: 0 20px 64px;
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-about h1,
.page-about h2,
.page-about h3 {
  font-family: var(--font-head);
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin: 0;
}

.page-about p {
  margin: 0;
  line-height: 1.8;
}

.page-about .about-lead {
  color: var(--muted);
  font-size: 16px;
  max-width: 38em;
}

/* ---------- 首屏 ---------- */

.page-about .about-hero {
  position: relative;
  padding: 24px 0 40px;
  isolation: isolate;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -80px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle at 35% 35%, rgba(53, 240, 214, 0.22), transparent 68%);
  filter: blur(18px);
  pointer-events: none;
  z-index: -1;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  bottom: -20px;
  left: -100px;
  width: 260px;
  height: 220px;
  background: radial-gradient(circle at 50% 60%, rgba(124, 92, 255, 0.2), transparent 70%);
  filter: blur(22px);
  pointer-events: none;
  z-index: -1;
}

.page-about .about-hero .breadcrumbs {
  margin-bottom: 20px;
}

.page-about .about-hero h1 {
  font-size: 30px;
  line-height: 1.2;
  margin: 10px 0 0;
  max-width: 20em;
  color: var(--text);
  position: relative;
}

.page-about .about-hero h1::after {
  content: "";
  display: block;
  width: 64px;
  height: 3px;
  margin-top: 18px;
  background: linear-gradient(90deg, var(--neon), var(--violet));
  border-radius: 2px;
}

.page-about .about-hero__body {
  margin-top: 22px;
  display: grid;
  gap: 14px;
}

.page-about .about-hero__lead {
  font-size: 16px;
  color: var(--text);
  max-width: 40em;
}

.page-about .about-hero__lead--sub {
  color: var(--muted);
  font-size: 15px;
  padding-left: 14px;
  border-left: 2px solid var(--line);
}

.page-about .about-hero__facts {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-about .about-hero__fact {
  background: var(--panel);
  padding: 16px 14px 18px;
  display: grid;
  gap: 6px;
  position: relative;
}

.page-about .about-hero__fact::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--neon);
  opacity: 0.6;
}

.page-about .about-hero__fact:nth-child(2n)::before {
  background: var(--violet);
}

.page-about .about-hero__fact-num {
  font-family: var(--font-num);
  font-size: 26px;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-about .about-hero__fact-num em {
  font-style: normal;
  font-size: 13px;
  color: var(--neon);
  margin-left: 4px;
  letter-spacing: 0.04em;
}

.page-about .about-hero__fact-label {
  font-size: 13px;
  color: var(--muted);
}

/* ---------- 时间线 ---------- */

.page-about .about-timeline {
  position: relative;
  padding: 40px 0 32px;
  border-top: 1px solid var(--line);
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 120px;
  height: 2px;
  background: var(--neon);
}

.page-about .section-head {
  margin-bottom: 26px;
}

.page-about .section-head h2 {
  font-size: 24px;
  margin: 8px 0 12px;
  max-width: 22em;
}

.page-about .about-timeline__scroll {
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 18px;
  scrollbar-width: thin;
  scrollbar-color: var(--neon) var(--panel);
  -webkit-overflow-scrolling: touch;
}

.page-about .about-timeline__scroll:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

.page-about .about-timeline__scroll::-webkit-scrollbar {
  height: 6px;
}

.page-about .about-timeline__scroll::-webkit-scrollbar-track {
  background: var(--panel);
  border-radius: 3px;
}

.page-about .about-timeline__scroll::-webkit-scrollbar-thumb {
  background: linear-gradient(90deg, var(--neon), var(--violet));
  border-radius: 3px;
}

.page-about .about-timeline__track {
  list-style: none;
  margin: 0;
  padding: 0 4px;
  display: flex;
  gap: 24px;
  min-width: max-content;
}

.page-about .about-timeline__node {
  position: relative;
  flex: 0 0 214px;
  width: 214px;
  padding-top: 56px;
}

.page-about .about-timeline__node::before {
  content: "";
  position: absolute;
  top: 28px;
  left: 10px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--neon);
  transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  z-index: 2;
}

.page-about .about-timeline__node::after {
  content: "";
  position: absolute;
  top: 33px;
  left: 20px;
  right: -24px;
  height: 2px;
  background: var(--line);
  z-index: 1;
}

.page-about .about-timeline__node:last-child::after {
  display: none;
}

.page-about .about-timeline__node:hover::before,
.page-about .about-timeline__node:focus-within::before {
  background: var(--neon);
  transform: scale(1.15);
  box-shadow: 0 0 0 5px rgba(53, 240, 214, 0.16), 0 0 18px rgba(53, 240, 214, 0.6);
}

.page-about .about-timeline__node:hover::after {
  background: linear-gradient(90deg, var(--neon), var(--line));
}

.page-about .about-timeline__year {
  display: inline-block;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--neon);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 2px 8px;
  margin-bottom: 10px;
}

.page-about .about-timeline__title {
  font-size: 16px;
  color: var(--text);
  margin-bottom: 8px;
}

.page-about .about-timeline__desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.75;
}

.page-about .about-timeline__figure {
  margin: 26px 0 0;
}

.page-about .about-timeline__figure img,
.page-about .about-verify__media img,
.page-about .about-score__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  object-fit: cover;
  background: var(--panel);
}

.page-about .about-timeline__caption,
.page-about .about-verify__caption,
.page-about .about-score__caption {
  display: block;
  margin-top: 12px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
}

/* ---------- 公告比对 ---------- */

.page-about .about-verify {
  position: relative;
  padding: 36px 0 32px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 28px;
}

.page-about .about-verify__copy h2 {
  font-size: 24px;
  margin: 8px 0 14px;
  max-width: 22em;
}

.page-about .about-verify__steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: verify;
}

.page-about .about-verify__step {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 14px 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--neon);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.page-about .about-verify__step:hover {
  background: var(--panel-high);
  border-left-color: var(--orange);
  transform: translateX(2px);
}

.page-about .about-verify__step:last-child {
  border-left-color: var(--orange);
}

.page-about .about-verify__step-num {
  font-family: var(--font-num);
  font-size: 20px;
  line-height: 1;
  color: var(--violet);
  letter-spacing: 0.04em;
  padding-top: 4px;
}

.page-about .about-verify__step-body h3 {
  font-size: 16px;
  color: var(--text);
  margin-bottom: 6px;
}

.page-about .about-verify__step-body p {
  font-size: 14px;
  color: var(--muted);
}

.page-about .about-verify__media {
  margin: 0;
}

/* ---------- 专栏榜评分 ---------- */

.page-about .about-score {
  position: relative;
  padding: 36px 0 32px;
  border-top: 1px solid var(--line);
}

.page-about .about-score::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--violet), transparent 70%);
}

.page-about .about-score__grid {
  display: grid;
  gap: 24px;
}

.page-about .about-score__items {
  display: grid;
  gap: 12px;
}

.page-about .about-score__item {
  position: relative;
  padding: 18px 16px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.page-about .about-score__item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  background: linear-gradient(90deg, var(--neon), transparent);
}

.page-about .about-score__item:nth-child(2n)::before {
  background: linear-gradient(90deg, var(--violet), transparent);
}

.page-about .about-score__item:hover,
.page-about .about-score__item:focus-visible {
  border-color: var(--neon);
  background: var(--panel-high);
  box-shadow: 0 0 0 1px rgba(53, 240, 214, 0.28), 0 8px 26px rgba(53, 240, 214, 0.08);
  outline: none;
}

.page-about .about-score__tag {
  display: inline-block;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 3px 9px;
  border-radius: 4px;
  border: 1px solid var(--line);
  background: var(--bg);
  margin-bottom: 10px;
}

.page-about .about-score__tag--cyan {
  color: var(--neon);
  border-color: rgba(53, 240, 214, 0.4);
}

.page-about .about-score__tag--violet {
  color: var(--violet);
  border-color: rgba(124, 92, 255, 0.45);
}

.page-about .about-score__item-title {
  font-size: 17px;
  color: var(--text);
  margin-bottom: 8px;
}

.page-about .about-score__item-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.75;
}

.page-about .about-score__media {
  margin: 0;
}

/* ---------- 团队 ---------- */

.page-about .about-team {
  position: relative;
  padding: 36px 0 32px;
  border-top: 1px solid var(--line);
}

.page-about .about-team__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-team__item {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.page-about .about-team__item:hover {
  transform: translateX(3px);
  border-color: var(--neon);
}

.page-about .about-team__num {
  font-family: var(--font-num);
  font-size: 30px;
  line-height: 1;
  color: var(--neon);
  letter-spacing: 0.02em;
  display: flex;
  align-items: baseline;
}

.page-about .about-team__num em {
  font-style: normal;
  font-size: 12px;
  color: var(--muted);
  margin-left: 3px;
}

.page-about .about-team__body h3 {
  font-size: 16px;
  color: var(--text);
  margin-bottom: 6px;
}

.page-about .about-team__body p {
  font-size: 14px;
  color: var(--muted);
}

.page-about .about-team__tech {
  margin-top: 20px;
  padding: 20px 18px;
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.14), rgba(53, 240, 214, 0.07));
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  display: grid;
  grid-template-columns: 60px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.page-about .about-team__tech-num {
  font-family: var(--font-num);
  font-size: 34px;
  line-height: 1;
  color: var(--violet);
  letter-spacing: 0.02em;
}

.page-about .about-team__tech h3 {
  font-size: 16px;
  color: var(--text);
  margin-bottom: 8px;
}

.page-about .about-team__tech p {
  font-size: 14px;
  color: var(--muted);
}

/* ---------- 用户规模 ---------- */

.page-about .about-scale {
  position: relative;
  padding: 36px 0 32px;
  border-top: 1px solid var(--line);
}

.page-about .about-scale__metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.page-about .about-scale__metric {
  position: relative;
  padding: 18px 14px 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  border-top: 3px solid var(--neon);
  display: grid;
  gap: 8px;
}

.page-about .about-scale__metric:nth-child(2n) {
  border-top-color: var(--violet);
}

.page-about .about-scale__metric:nth-child(3) {
  border-top-color: var(--orange);
}

.page-about .about-scale__num {
  font-family: var(--font-num);
  font-size: 32px;
  line-height: 1.05;
  color: var(--text);
  letter-spacing: 0.03em;
}

.page-about .about-scale__num em {
  font-style: normal;
  font-size: 14px;
  color: var(--neon);
  margin-left: 4px;
}

.page-about .about-scale__label {
  font-size: 13px;
  color: var(--muted);
}

.page-about .about-scale__notes {
  display: grid;
  gap: 12px;
  padding-left: 16px;
  border-left: 2px solid var(--line);
}

.page-about .about-scale__notes p {
  font-size: 14px;
  color: var(--muted);
}

/* ---------- 合作与荣誉 ---------- */

.page-about .about-partners {
  position: relative;
  padding: 36px 0 32px;
  border-top: 1px solid var(--line);
}

.page-about .about-partners__cols {
  display: grid;
  gap: 14px;
}

.page-about .about-partners__col {
  position: relative;
  padding: 22px 18px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-about .about-partners__col::before {
  content: "";
  position: absolute;
  top: -30px;
  right: -30px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(53, 240, 214, 0.16), transparent 70%);
  pointer-events: none;
}

.page-about .about-partners__col:nth-child(2)::before {
  background: radial-gradient(circle, rgba(124, 92, 255, 0.2), transparent 70%);
}

.page-about .about-partners__col-num {
  display: block;
  font-family: var(--font-num);
  font-size: 40px;
  line-height: 1;
  color: var(--neon);
  letter-spacing: 0.03em;
  margin-bottom: 8px;
}

.page-about .about-partners__col:nth-child(2) .about-partners__col-num {
  color: var(--violet);
}

.page-about .about-partners__col-title {
  font-size: 17px;
  color: var(--text);
  margin-bottom: 14px;
}

.page-about .about-partners__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-about .about-partners__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

.page-about .about-partners__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 7px;
  height: 2px;
  background: var(--neon);
}

.page-about .about-partners__col:nth-child(2) .about-partners__list li::before {
  background: var(--violet);
}

.page-about .about-partners__honors {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .about-partners__honor {
  display: grid;
  gap: 8px;
  padding: 16px 16px;
  background: var(--panel-high);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  align-content: start;
}

.page-about .about-partners__honor p {
  font-size: 15px;
  color: var(--text);
}

/* ---------- 位置与时段 ---------- */

.page-about .about-location {
  position: relative;
  padding: 36px 0 32px;
  border-top: 1px solid var(--line);
}

.page-about .about-location__grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-about .about-location__item {
  background: var(--panel);
  padding: 16px 16px 18px;
  display: grid;
  gap: 6px;
}

.page-about .about-location__label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--neon);
  font-family: var(--font-num);
}

.page-about .about-location__value {
  font-size: 15px;
  color: var(--text);
  font-family: var(--font-num);
  letter-spacing: 0.02em;
  line-height: 1.6;
}

/* ---------- 结尾行动区 ---------- */

.page-about .about-cta {
  position: relative;
  margin-top: 36px;
  padding: 28px 20px 26px;
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(124, 92, 255, 0.22), rgba(53, 240, 214, 0.08) 60%, transparent),
    var(--panel-high);
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-about .about-cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 90px;
  height: 3px;
  background: var(--orange);
}

.page-about .about-cta__copy h2 {
  font-size: 22px;
  margin: 10px 0 12px;
  max-width: 20em;
}

.page-about .about-cta__copy p {
  font-size: 14px;
  color: var(--muted);
  max-width: 38em;
}

.page-about .about-cta__links {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .about-cta__links .btn {
  min-width: 0;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-about .about-hero h1 {
    font-size: 38px;
  }

  .page-about .section-head h2,
  .page-about .about-verify__copy h2,
  .page-about .about-cta__copy h2 {
    font-size: 28px;
  }

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

  .page-about .about-hero__fact-num {
    font-size: 30px;
  }

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

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

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

@media (min-width: 900px) {
  .page-about {
    padding: 0 32px 88px;
  }

  .page-about .about-hero {
    padding-top: 36px;
    padding-bottom: 52px;
  }

  .page-about .about-hero h1 {
    font-size: 44px;
    max-width: 18em;
  }

  .page-about .about-hero__body {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }

  .page-about .about-hero__lead {
    font-size: 17px;
  }

  .page-about .about-timeline__node {
    flex: 0 0 236px;
    width: 236px;
  }

  .page-about .about-verify {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
    padding-top: 48px;
  }

  .page-about .about-verify__media {
    position: sticky;
    top: 32px;
  }

  .page-about .about-score__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 36px;
    align-items: start;
  }

  .page-about .about-score__items {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-about .about-team__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

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

  .page-about .about-cta {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 28px;
    align-items: center;
    padding: 34px 30px;
  }

  .page-about .about-cta__links {
    margin-top: 0;
    justify-content: flex-end;
  }
}

@media (min-width: 1200px) {
  .page-about .about-hero h1 {
    font-size: 50px;
  }

  .page-about .section-head h2,
  .page-about .about-verify__copy h2,
  .page-about .about-cta__copy h2 {
    font-size: 32px;
  }

  .page-about .about-hero__fact-num {
    font-size: 34px;
  }

  .page-about .about-scale__num {
    font-size: 38px;
  }

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

  .page-about .about-timeline__node {
    flex: 0 0 250px;
    width: 250px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}
<<<END>>>