.page-about {
  --about-axis: 14px;
  --about-glow-neon: 0 0 0 1px rgba(123, 59, 255, .5), 0 18px 42px -22px rgba(123, 59, 255, .9);
  --about-panel-grad: linear-gradient(160deg, rgba(23, 16, 46, .92), rgba(8, 5, 15, .48));
}

/* ---------- 面包屑留白 ---------- */
.page-about .breadcrumbs {
  padding-top: clamp(14px, 3vw, 22px);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding-bottom: clamp(38px, 7vw, 76px);
}

.page-about .about-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(26px, 4.5vw, 48px);
  padding: clamp(22px, 4vw, 44px);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(123, 59, 255, .2), transparent 58%),
    radial-gradient(90% 80% at 0% 100%, rgba(36, 214, 255, .12), transparent 62%),
    linear-gradient(180deg, rgba(23, 16, 46, .72), rgba(8, 5, 15, .3));
  overflow: hidden;
}

.page-about .about-hero__inner::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(0deg, rgba(199, 214, 230, .045) 0 1px, transparent 1px 4px);
  pointer-events: none;
  opacity: .55;
}

.page-about .about-hero__head {
  position: relative;
  z-index: 1;
}

.page-about .about-hero__title {
  margin: 14px 0 0;
  max-width: 17ch;
  font-size: clamp(32px, 7.4vw, 66px);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: .004em;
  color: var(--white);
  text-shadow:
    0 0 1px rgba(123, 59, 255, .95),
    0 0 22px rgba(123, 59, 255, .5),
    0 0 48px rgba(123, 59, 255, .28);
}

.page-about .about-hero__lede {
  margin: 20px 0 0;
  max-width: 60ch;
  font-size: clamp(16px, 1.9vw, 18px);
  line-height: 1.85;
  color: var(--silver);
}

.page-about .about-hero__cta {
  margin-top: clamp(22px, 3.5vw, 32px);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-hero__media {
  position: relative;
  z-index: 1;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow:
    0 0 0 1px var(--edge-purple),
    0 0 0 7px rgba(123, 59, 255, .06),
    0 46px 88px -54px rgba(36, 214, 255, .75);
}

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

.page-about .about-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 5, 15, 0) 48%, rgba(8, 5, 15, .86) 100%);
  pointer-events: none;
}

.page-about .about-hero__media .media__cap {
  position: relative;
  z-index: 2;
}

.page-about .about-hero__scale {
  margin-top: clamp(20px, 3.5vw, 34px);
  display: flex;
  gap: clamp(14px, 4vw, 40px);
  padding-block: 10px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line-soft);
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-about .about-hero__scale-mark {
  position: relative;
  flex: 0 0 auto;
  padding-top: 11px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--mist);
  white-space: nowrap;
}

.page-about .about-hero__scale-mark::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 6px;
  background: var(--silver);
  opacity: .5;
}

.page-about .about-hero__scale-mark:last-child {
  color: var(--gold);
}

.page-about .about-hero__scale-mark:last-child::before {
  background: var(--gold);
  opacity: 1;
}

/* ---------- 时间线 ---------- */
.page-about .about-tl {
  padding-bottom: clamp(40px, 7vw, 88px);
}

.page-about .about-tl__list {
  position: relative;
  margin: clamp(30px, 5vw, 48px) 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-tl__list::before {
  content: "";
  position: absolute;
  left: var(--about-axis);
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg,
      rgba(123, 59, 255, .75),
      rgba(36, 214, 255, .55) 55%,
      rgba(199, 214, 230, .08));
}

.page-about .about-tl__node {
  position: relative;
  padding: 0 0 clamp(28px, 5vw, 46px) calc(var(--about-axis) + 26px);
  transition: padding-left .3s ease;
}

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

.page-about .about-tl__node::before {
  content: "";
  position: absolute;
  left: calc(var(--about-axis) - 5px);
  top: 5px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--ink);
  border: 1.5px solid var(--purple);
  box-shadow: 0 0 0 4px rgba(123, 59, 255, .12), 0 0 18px rgba(123, 59, 255, .7);
  transition: background .3s ease, border-color .3s ease, box-shadow .3s ease;
}

.page-about .about-tl__node:hover::before,
.page-about .about-tl__node:focus-within::before {
  background: var(--blue);
  border-color: var(--blue);
  box-shadow: 0 0 0 6px rgba(36, 214, 255, .16), 0 0 26px rgba(36, 214, 255, .9);
}

.page-about .about-tl__node:hover,
.page-about .about-tl__node:focus-within {
  padding-left: calc(var(--about-axis) + 34px);
}

.page-about .about-tl__year {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-about .about-tl__title {
  margin: 6px 0 0;
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 800;
  line-height: 1.4;
  color: var(--white);
}

.page-about .about-tl__text {
  margin: 8px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--silver);
}

.page-about .about-tl__more {
  margin: 8px 0 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
  padding-left: 12px;
  border-left: 1px solid rgba(36, 214, 255, .35);
  transition: color .3s ease, border-color .3s ease;
}

.page-about .about-tl__node:hover .about-tl__more,
.page-about .about-tl__node:focus-within .about-tl__more {
  color: var(--blue);
  border-color: var(--blue);
}

/* ---------- 场馆图例 ---------- */
.page-about .about-venues {
  padding-bottom: clamp(42px, 7vw, 88px);
}

.page-about .about-legend {
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-about .about-legend__row {
  position: relative;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  grid-template-areas:
    "idx name"
    ".   desc"
    ".   meta";
  gap: 8px 14px;
  padding: 22px 0 24px;
  border-bottom: 1px solid var(--line-soft);
  transition: background .3s ease;
}

.page-about .about-legend__row::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, var(--purple), var(--blue) 52%, transparent 78%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .45s ease;
}

.page-about .about-legend__row:hover::after,
.page-about .about-legend__row:focus-within::after {
  transform: scaleX(1);
}

.page-about .about-legend__idx {
  grid-area: idx;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .12em;
  color: var(--purple);
  padding-top: 4px;
}

.page-about .about-legend__name {
  grid-area: name;
  margin: 0;
  font-size: clamp(18px, 2.3vw, 21px);
  font-weight: 800;
  line-height: 1.4;
  color: var(--white);
}

.page-about .about-legend__desc {
  grid-area: desc;
  margin: 0;
  max-width: 66ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-legend__meta {
  grid-area: meta;
  align-self: start;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-about .about-venues__figure {
  margin-top: clamp(28px, 5vw, 46px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 0 0 1px var(--line), 0 40px 80px -56px rgba(36, 214, 255, .8);
}

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

/* ---------- 段位由来 ---------- */
.page-about .about-rank {
  padding-bottom: clamp(44px, 7vw, 90px);
}

.page-about .about-rank__inner {
  display: grid;
  gap: clamp(28px, 5vw, 52px);
}

.page-about .about-rank__copy .prose p {
  margin: 0 0 14px;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--silver);
  max-width: 66ch;
}

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

.page-about .about-rank__ladder-cap {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--mist);
}

.page-about .about-rank__steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-about .about-rank__step {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(199, 214, 230, .12);
  overflow: hidden;
  isolation: isolate;
  transition: border-color .3s ease, transform .3s ease;
}

.page-about .about-rank__step::before {
  content: "";
  position: absolute;
  inset: 0;
  width: var(--fill, 30%);
  z-index: -1;
  background: linear-gradient(90deg, rgba(123, 59, 255, .58), rgba(36, 214, 255, .26));
  transition: width .5s ease;
}

.page-about .about-rank__step:last-child::before {
  background: linear-gradient(90deg, rgba(239, 192, 74, .72), rgba(255, 78, 208, .32));
}

.page-about .about-rank__step:hover {
  border-color: var(--edge-blue);
  transform: translateX(4px);
}

.page-about .about-rank__name {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .08em;
  color: var(--white);
}

/* ---------- 团队与设备 ---------- */
.page-about .about-team {
  padding-bottom: clamp(44px, 7vw, 90px);
}

.page-about .about-team__inner {
  display: grid;
  gap: clamp(26px, 5vw, 48px);
}

.page-about .about-team__copy .prose p {
  margin: 0 0 14px;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--silver);
  max-width: 62ch;
}

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

.page-about .about-team__stats {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-about .about-team__stat {
  padding: 16px 18px;
  border-radius: var(--radius);
  background: var(--about-panel-grad);
  border: 1px solid var(--line-soft);
  transition: border-color .3s ease, transform .3s ease;
}

.page-about .about-team__stat:hover {
  border-color: var(--edge-purple);
  transform: translateY(-4px);
}

.page-about .about-team__stat b {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 4.4vw, 32px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: .02em;
  color: var(--white);
}

.page-about .about-team__stat span {
  display: block;
  margin-top: 7px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-about .about-team__figure {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 0 0 1px var(--line), 0 40px 80px -56px rgba(123, 59, 255, .9);
}

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

/* ---------- 回场路径 ---------- */
.page-about .about-back {
  padding-bottom: clamp(44px, 7vw, 88px);
}

.page-about .about-back__paths {
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-about .about-back__path {
  position: relative;
  padding: 24px 22px;
  border-radius: var(--radius);
  border: 1px solid var(--line-soft);
  background: var(--about-panel-grad);
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}

.page-about .about-back__path::before {
  content: "";
  position: absolute;
  left: 22px;
  right: 22px;
  top: 0;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--purple), var(--blue) 60%, transparent);
  opacity: .55;
  transition: opacity .3s ease;
}

.page-about .about-back__path:hover,
.page-about .about-back__path:focus-within {
  transform: translateY(-4px);
  border-color: var(--edge-purple);
  box-shadow: var(--about-glow-neon);
}

.page-about .about-back__path:hover::before,
.page-about .about-back__path:focus-within::before {
  opacity: 1;
}

.page-about .about-back__idx {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-about .about-back__title {
  margin: 8px 0 0;
  font-size: clamp(17px, 2.2vw, 20px);
  font-weight: 800;
  line-height: 1.4;
  color: var(--white);
}

.page-about .about-back__path p:not(.about-back__idx) {
  margin: 10px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 数据带 ---------- */
.page-about .about-figures {
  padding: clamp(34px, 6vw, 58px) 0 0;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(23, 16, 46, .6), rgba(8, 5, 15, 0) 78%);
}

.page-about .about-figures__row {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 16px;
}

.page-about .about-figures__item {
  position: relative;
  padding-left: 14px;
}

.page-about .about-figures__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--purple), var(--blue));
  opacity: .7;
}

.page-about .about-figures__item b {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(24px, 5.4vw, 40px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: .02em;
  color: var(--gold);
}

.page-about .about-figures__item span {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-about .about-figures__note {
  margin: clamp(28px, 4vw, 40px) 0 0;
  padding-bottom: clamp(34px, 6vw, 60px);
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-figures__note a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(36, 214, 255, .4);
  transition: color .25s ease, border-color .25s ease;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-about {
    --about-axis: 20px;
  }

  .page-about .about-legend__row {
    grid-template-columns: 48px minmax(0, 1fr) 180px;
    grid-template-areas:
      "idx name meta"
      "idx desc meta";
    gap: 10px 22px;
    align-items: start;
    padding: 26px 0 28px;
  }

  .page-about .about-legend__meta {
    text-align: right;
    padding-top: 4px;
  }

  .page-about .about-back__paths {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-about .about-figures__row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px 20px;
  }
}

@media (min-width: 1024px) {
  .page-about {
    --about-axis: 26px;
  }

  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    align-items: center;
    gap: clamp(36px, 4vw, 60px);
  }

  .page-about .about-hero__scale {
    justify-content: space-between;
    gap: 0;
  }

  .page-about .about-rank__inner {
    grid-template-columns: minmax(0, .96fr) minmax(0, 1.04fr);
    align-items: start;
    gap: clamp(40px, 5vw, 72px);
  }

  .page-about .about-team__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    align-items: center;
    gap: clamp(36px, 4.5vw, 64px);
  }

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

  .page-about .about-figures__row {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 24px 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-tl__node,
  .page-about .about-tl__node::before,
  .page-about .about-tl__more,
  .page-about .about-rank__step,
  .page-about .about-rank__step::before,
  .page-about .about-back__path,
  .page-about .about-team__stat,
  .page-about .about-legend__row::after,
  .page-about .about-figures__note a {
    transition: none;
  }

  .page-about .about-tl__node:hover,
  .page-about .about-tl__node:focus-within {
    padding-left: calc(var(--about-axis) + 26px);
  }

  .page-about .about-rank__step:hover {
    transform: none;
  }
}
<<<END>>>

.page-about {
  --fill: currentColor;
}