.page-about {
  background: var(--ink);
  color: var(--paper-70);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding: clamp(38px, 6vw, 84px) 0 clamp(34px, 4.6vw, 60px);
  border-bottom: 1px solid var(--paper-12);
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: -24%;
  right: -12%;
  width: min(760px, 96vw);
  height: min(540px, 68vw);
  background: radial-gradient(closest-side, rgba(53, 242, 208, 0.15), transparent 72%);
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: -14%;
  bottom: -34%;
  width: min(580px, 82vw);
  height: min(440px, 62vw);
  background: radial-gradient(closest-side, rgba(255, 106, 42, 0.11), transparent 70%);
  pointer-events: none;
}

.page-about .about-hero > * {
  position: relative;
}

.page-about .about-hero__eyebrow {
  margin: 22px 0 0;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.22em;
  color: var(--cyan);
}

.page-about .about-hero__eyebrow::before {
  content: "";
  width: 46px;
  height: 2px;
  background: var(--orange);
}

.page-about .about-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(30px, 5.2vw, 58px);
  line-height: 1.18;
  letter-spacing: 0.01em;
  color: var(--paper);
  margin: 18px 0 0;
  max-width: 19ch;
}

.page-about .about-hero__lede {
  margin: 22px 0 0;
  max-width: 62ch;
  font-size: clamp(15.5px, 1.3vw, 18px);
  line-height: 1.92;
  color: var(--paper-86);
}

/* ---------- 首屏数据带 ---------- */
.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 26px);
  margin: clamp(30px, 4.4vw, 48px) 0 0;
  padding: clamp(18px, 2.6vw, 26px) 0 0;
  border-top: 1px solid var(--paper-12);
  list-style: none;
}

@media (min-width: 760px) {
  .page-about .about-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-about .about-stats__item {
  min-width: 0;
}

.page-about .about-stats__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-about .about-stats__num em {
  font-style: normal;
  font-size: 0.56em;
  margin-left: 3px;
  color: var(--cyan);
  letter-spacing: 0;
}

.page-about .about-stats__label {
  display: block;
  margin-top: 7px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 主体双栏 ---------- */
.page-about .about-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 52px);
  align-items: start;
  padding-top: clamp(30px, 4.6vw, 64px);
  padding-bottom: clamp(44px, 6vw, 88px);
}

@media (min-width: 1000px) {
  .page-about .about-body {
    grid-template-columns: 198px minmax(0, 1fr);
    gap: clamp(34px, 4.4vw, 72px);
  }
}

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

/* ---------- 章节索引 ---------- */
.page-about .about-toc {
  border-top: 1px solid var(--paper-12);
  border-bottom: 1px solid var(--paper-12);
  padding: 12px 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-about .about-toc::-webkit-scrollbar {
  display: none;
}

.page-about .about-toc__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.24em;
  color: var(--mist);
}

.page-about .about-toc__list {
  display: flex;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
  white-space: nowrap;
}

.page-about .about-toc__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 5px 0;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--mist);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-about .about-toc__link:hover,
.page-about .about-toc__link:focus-visible {
  color: var(--paper);
}

.page-about .about-toc__n {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

@media (min-width: 1000px) {
  .page-about .about-toc {
    position: sticky;
    top: 28px;
    overflow: visible;
    border-bottom: none;
    padding-bottom: 0;
  }

  .page-about .about-toc__list {
    display: block;
    white-space: normal;
  }

  .page-about .about-toc__list li + li {
    margin-top: 1px;
  }

  .page-about .about-toc__link {
    padding: 8px 0 8px 12px;
    border-left: 2px solid transparent;
  }

  .page-about .about-toc__link:hover,
  .page-about .about-toc__link:focus-visible {
    border-left-color: var(--orange);
    color: var(--paper);
  }
}

/* ---------- 章节骨架 ---------- */
.page-about .about-sec {
  padding-bottom: clamp(32px, 4.4vw, 58px);
  margin-bottom: clamp(32px, 4.4vw, 58px);
  border-bottom: 1px solid var(--paper-08);
  scroll-margin-top: 84px;
}

.page-about .about-sec:last-of-type {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-about .about-sec__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 16px;
}

.page-about .about-sec__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1;
  letter-spacing: 0.16em;
  color: var(--orange);
  border: 1px solid var(--paper-12);
  padding: 5px 6px;
}

.page-about .about-sec__title {
  font-family: var(--font-serif);
  font-size: clamp(21px, 2.5vw, 29px);
  line-height: 1.34;
  letter-spacing: 0.01em;
  color: var(--paper);
  margin: 0;
}

.page-about .about-sec p {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.92;
  color: var(--paper-70);
}

.page-about .about-sec p:last-child {
  margin-bottom: 0;
}

.page-about .about-lead {
  font-size: clamp(16px, 1.35vw, 17.5px);
  line-height: 1.9;
  color: var(--paper-86);
  max-width: 58ch;
  margin-bottom: 16px;
}

.page-about .about-inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-50);
  padding-bottom: 1px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-about .about-inline-link:hover,
.page-about .about-inline-link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

.page-about .about-belief-tail {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--paper-08);
  color: var(--mist);
  font-size: 14px;
}

.page-about .about-scenes-tail {
  margin-top: 18px;
  font-size: 14.5px;
  color: var(--mist);
}

/* ---------- 图文分栏 ---------- */
.page-about .about-split {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
  align-items: start;
}

@media (min-width: 760px) {
  .page-about .about-split {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }
}

.page-about .about-figure {
  margin: 0;
  min-width: 0;
}

.page-about .about-figure .ob-media {
  border: 1px solid var(--paper-12);
}

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

.page-about .about-figure--wide {
  margin-top: clamp(20px, 3vw, 30px);
}

.page-about .about-figure__cap {
  margin-top: 10px;
  padding-left: 10px;
  border-left: 2px solid var(--gold-50);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 主张关键词 ---------- */
.page-about .about-keys {
  display: grid;
  gap: 12px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 760px) {
  .page-about .about-keys {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-about .about-key {
  padding: 16px 16px 18px;
  border: 1px solid var(--paper-12);
  border-top: 2px solid var(--gold-50);
  background: linear-gradient(180deg, rgba(217, 164, 65, 0.07), transparent 72%);
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
  outline: none;
}

.page-about .about-key:hover,
.page-about .about-key:focus-visible {
  transform: translateY(-3px);
  border-color: var(--cyan-50);
  border-top-color: var(--cyan);
  background: linear-gradient(180deg, rgba(53, 242, 208, 0.10), transparent 74%);
}

.page-about .about-key__word {
  display: block;
  font-family: var(--font-serif);
  font-size: 21px;
  letter-spacing: 0.18em;
  color: var(--paper);
}

.page-about .about-sec .about-key__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.82;
  color: var(--paper-70);
}

/* ---------- 双场景 ---------- */
.page-about .about-scenes {
  display: grid;
  gap: clamp(14px, 2.2vw, 22px);
  margin-top: 4px;
}

@media (min-width: 720px) {
  .page-about .about-scenes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-about .about-scene {
  padding: 22px 20px 24px;
  background: var(--panel);
  border: 1px solid var(--paper-08);
  border-left: 3px solid var(--cyan);
}

.page-about .about-scene--arcade {
  border-left-color: var(--gold);
}

.page-about .about-scene__kicker {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.22em;
  color: var(--cyan);
}

.page-about .about-scene--arcade .about-scene__kicker {
  color: var(--gold);
}

.page-about .about-scene__title {
  font-family: var(--font-serif);
  font-size: 18.5px;
  line-height: 1.45;
  color: var(--paper);
  margin: 0 0 12px;
}

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

.page-about .about-scene__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--paper-70);
}

.page-about .about-scene__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 7px;
  height: 1px;
  background: var(--mist);
}

/* ---------- 时间轴 ---------- */
.page-about .about-timeline {
  position: relative;
  list-style: none;
  margin: 22px 0 0;
  padding: 0 0 0 26px;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, var(--gold-50), var(--paper-12) 68%, transparent);
}

.page-about .about-tl {
  position: relative;
  padding-bottom: clamp(22px, 3.4vw, 36px);
}

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

.page-about .about-tl__node {
  position: absolute;
  left: -26px;
  top: 6px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 1px solid var(--gold);
  background: var(--ink);
  box-shadow: 0 0 0 4px rgba(217, 164, 65, 0.09);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.page-about .about-tl:hover .about-tl__node,
.page-about .about-tl:focus-within .about-tl__node {
  border-color: var(--cyan);
  background: var(--cyan-08);
  box-shadow: 0 0 0 6px rgba(53, 242, 208, 0.12);
}

.page-about .about-tl:last-child .about-tl__node {
  background: var(--gold);
  box-shadow: 0 0 0 5px rgba(217, 164, 65, 0.18);
}

.page-about .about-tl__phase {
  margin: 0 0 7px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-about .about-tl__title {
  font-family: var(--font-serif);
  font-size: 18.5px;
  line-height: 1.45;
  color: var(--paper);
  margin: 0 0 8px;
}

.page-about .about-sec .about-tl__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.86;
  color: var(--paper-70);
  max-width: 62ch;
}

/* ---------- 团队 ---------- */
.page-about .about-team {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  background: var(--paper-12);
  border: 1px solid var(--paper-12);
}

@media (min-width: 720px) {
  .page-about .about-team {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-about .about-team li {
  background: var(--panel);
  padding: 16px 14px 18px;
  min-width: 0;
}

.page-about .about-team__n {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 2.6vw, 27px);
  line-height: 1.1;
  color: var(--cyan);
}

.page-about .about-team__l {
  display: block;
  margin-top: 7px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-about .about-network {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  margin-top: clamp(26px, 3.6vw, 38px);
  align-items: start;
}

@media (min-width: 760px) {
  .page-about .about-network {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }
}

.page-about .about-subhead {
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.45;
  color: var(--paper);
  margin: 0 0 10px;
}

/* ---------- 认可清单 ---------- */
.page-about .about-recog {
  margin: 20px 0 0;
  border-top: 1px solid var(--paper-12);
}

.page-about .about-recog__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--paper-08);
}

@media (min-width: 720px) {
  .page-about .about-recog__row {
    grid-template-columns: 152px minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
  }
}

.page-about .about-recog__term {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--gold);
}

.page-about .about-sec .about-recog__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--paper-70);
}

/* ---------- 结尾行动区 ---------- */
.page-about .about-cta {
  position: relative;
  margin-top: clamp(34px, 4.8vw, 58px);
  padding: clamp(26px, 4vw, 46px);
  border: 1px solid var(--paper-12);
  background:
    radial-gradient(120% 140% at 88% 0%, rgba(53, 242, 208, 0.14), transparent 62%),
    linear-gradient(158deg, rgba(255, 106, 42, 0.11), transparent 58%),
    var(--panel);
  overflow: hidden;
}

.page-about .about-cta__title {
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.8vw, 30px);
  line-height: 1.38;
  color: var(--paper);
  margin: 0 0 12px;
  max-width: 24ch;
}

.page-about .about-cta__text {
  margin: 0 0 22px;
  max-width: 54ch;
  font-size: 14.5px;
  line-height: 1.88;
  color: var(--paper-70);
}

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