.page-about {
  --ms-node: 24px;
  --ms-r: 2px;
}

/* ---------- 首屏 ---------- */
.page-about .ms-hero {
  padding-top: 16px;
}
.page-about .ms-hero__in {
  display: grid;
  gap: 26px;
  align-items: start;
}
.page-about .ms-hero__copy h1 {
  margin: 10px 0 16px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(34px, 9vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.025em;
  color: var(--hi);
}
.page-about .ms-hero__copy .gs-lead {
  max-width: 46ch;
}
.page-about .ms-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}
.page-about .ms-hero__note {
  margin-top: 16px;
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--tx2);
}
.page-about .ms-hero__fig {
  margin: 0;
  position: relative;
  border-radius: var(--r-l) var(--r-m) var(--r-l) var(--r-m);
  border: 1px solid var(--rule);
  background: linear-gradient(155deg, var(--grad), var(--panel) 68%, var(--ink));
  overflow: hidden;
  aspect-ratio: 4 / 5;
}
.page-about .ms-hero__fig::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(11, 31, 26, 0) 55%, rgba(11, 31, 26, 0.72)),
    radial-gradient(120% 70% at 50% 0%, rgba(56, 242, 208, 0.14), transparent 62%);
  pointer-events: none;
}
.page-about .ms-hero__fig img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (min-width: 900px) {
  .page-about .ms-hero__in {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 52px;
  }
  .page-about .ms-hero__fig {
    aspect-ratio: 3 / 4;
  }
}

/* ---------- 为什么搭这块看台 ---------- */
.page-about .ms-why {
  display: grid;
  gap: 2px;
  margin-top: 26px;
}
.page-about .ms-why__item {
  position: relative;
  padding: 20px 0 20px 22px;
  border-left: 1px solid var(--rule);
}
.page-about .ms-why__item::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 20px;
  width: 2px;
  height: 26px;
  background: linear-gradient(180deg, var(--cy), rgba(56, 242, 208, 0));
}
.page-about .ms-why__item h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--hi);
}
.page-about .ms-why__item p {
  margin: 0;
  max-width: 44ch;
  color: var(--tx);
}
.page-about .ms-why__coda {
  margin: 28px 0 0;
  padding: 22px 24px;
  border-radius: var(--r-m);
  background: linear-gradient(120deg, rgba(56, 242, 208, 0.1), rgba(14, 58, 49, 0.34) 62%, rgba(255, 138, 61, 0.08));
  border: 1px solid var(--rule);
  color: var(--hi);
  font-size: 18px;
  line-height: 1.7;
}

@media (min-width: 760px) {
  .page-about .ms-why {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }
  .page-about .ms-why__item {
    padding-left: 20px;
  }
  .page-about .ms-why__coda {
    font-size: 19px;
  }
}

/* ---------- 团队 ---------- */
.page-about .ms-wide {
  margin: 24px 0 20px;
  border-radius: var(--r-l) var(--r-m) var(--r-m) var(--r-l);
  border: 1px solid var(--rule);
  background: linear-gradient(120deg, var(--panel), var(--grad));
  overflow: hidden;
  aspect-ratio: 16 / 10;
}
.page-about .ms-wide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-about .ms-crew {
  display: grid;
  gap: 14px;
}
.page-about .ms-crew__card {
  position: relative;
  padding: 24px 20px 22px;
  border: 1px solid var(--rule);
  border-radius: var(--r-m);
  background: var(--panel);
  overflow: hidden;
}
.page-about .ms-crew__card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--cy), rgba(56, 242, 208, 0));
}
.page-about .ms-crew__card--a {
  border-radius: var(--r-l) var(--r-m) var(--r-m) var(--r-m);
}
.page-about .ms-crew__card--b {
  background: var(--raise);
}
.page-about .ms-crew__card--b::after {
  background: linear-gradient(90deg, var(--or), rgba(255, 138, 61, 0));
}
.page-about .ms-crew__card--c {
  border-radius: var(--r-m) var(--r-m) var(--r-l) var(--r-m);
}
.page-about .ms-crew__num {
  display: block;
  font-size: 54px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--cy);
}
.page-about .ms-crew__card--b .ms-crew__num {
  color: var(--or);
}
.page-about .ms-crew__card h3 {
  margin: 12px 0 10px;
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  color: var(--hi);
}
.page-about .ms-crew__card p {
  margin: 0;
  color: var(--tx);
  font-size: 16px;
  line-height: 1.8;
}

@media (min-width: 700px) {
  .page-about .ms-crew {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.86fr) minmax(0, 0.94fr);
    gap: 18px;
    align-items: start;
  }
  .page-about .ms-crew__card--b {
    margin-top: 26px;
  }
  .page-about .ms-crew__card--c {
    margin-top: 12px;
  }
}
@media (min-width: 980px) {
  .page-about .ms-wide {
    aspect-ratio: 21 / 9;
  }
}

/* ---------- 版本时间线 ---------- */
.page-about .ms-tl {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}
.page-about .ms-tl--cont {
  margin-top: 6px;
}
.page-about .ms-tl__item {
  position: relative;
  padding: 0 0 30px calc(var(--ms-node) + 22px);
}
.page-about .ms-tl__item::before {
  content: "";
  position: absolute;
  left: calc(var(--ms-node) / 2 - var(--ms-r) / 2);
  top: calc(var(--ms-node) + 4px);
  bottom: 0;
  width: var(--ms-r);
  background: linear-gradient(180deg, rgba(56, 242, 208, 0.55), rgba(56, 242, 208, 0.06));
}
.page-about .ms-tl__item:last-child {
  padding-bottom: 0;
}
.page-about .ms-tl__item:last-child::before {
  display: none;
}
.page-about .ms-tl__node {
  position: absolute;
  left: 0;
  top: 2px;
  width: var(--ms-node);
  height: var(--ms-node);
  border-radius: 50%;
  border: 2px solid var(--cy);
  background: var(--ink);
  box-shadow: 0 0 0 5px rgba(56, 242, 208, 0.08);
  display: grid;
  place-items: center;
}
.page-about .ms-tl__node i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cy);
}
.page-about .ms-tl__ver {
  margin: 0 0 6px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cy);
}
.page-about .ms-tl__item h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--hi);
}
.page-about .ms-tl__item p:not(.ms-tl__ver) {
  margin: 0;
  max-width: 48ch;
  color: var(--tx);
}
.page-about .ms-mid {
  margin: 6px 0 26px;
  border-radius: var(--r-m);
  border: 1px solid var(--rule);
  background: linear-gradient(135deg, var(--ink), var(--grad));
  overflow: hidden;
  aspect-ratio: 16 / 7;
}
.page-about .ms-mid img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (min-width: 860px) {
  .page-about .ms-tl {
    columns: 2;
    column-gap: 46px;
    margin-top: 30px;
  }
  .page-about .ms-tl--cont {
    columns: 1;
    margin-top: 4px;
  }
  .page-about .ms-mid {
    aspect-ratio: 21 / 8;
  }
}

/* ---------- 横向数据带 ---------- */
.page-about .ms-strip {
  margin: 8px 0;
  padding: 18px max(16px, calc((100vw - var(--maxw)) / 2));
  gap: 12px;
  border-block: 1px solid var(--rule);
  background: linear-gradient(90deg, rgba(14, 58, 49, 0.6), rgba(11, 31, 26, 0.2) 70%, rgba(255, 138, 61, 0.08));
}
.page-about .ms-strip__cell {
  scroll-snap-align: start;
  padding: 14px 16px;
  border-left: 2px solid var(--cy);
  background: rgba(16, 42, 35, 0.72);
  border-radius: 0 var(--r-s) var(--r-s) 0;
}
.page-about .ms-strip__num {
  display: block;
  font-size: 34px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--hi);
}
.page-about .ms-strip__lb {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--tx2);
}

/* ---------- 数据来源 ---------- */
.page-about .ms-src {
  display: grid;
  gap: 26px;
  margin-top: 24px;
  align-items: center;
}
.page-about .ms-src__copy p {
  margin: 0 0 16px;
  max-width: 54ch;
  color: var(--tx);
}
.page-about .ms-src__copy p:last-child {
  margin-bottom: 0;
}
.page-about .ms-src__net {
  display: grid;
  place-items: center;
  padding: 20px;
  border: 1px solid var(--rule);
  border-radius: var(--r-l) var(--r-m) var(--r-l) var(--r-m);
  background: radial-gradient(90% 90% at 50% 40%, rgba(14, 58, 49, 0.75), var(--ink));
}
.page-about .ms-src__svg {
  width: min(100%, 320px);
  height: auto;
  display: block;
}
.page-about .ms-src__rings circle {
  fill: none;
  stroke: var(--rule);
  stroke-width: 1;
}
.page-about .ms-src__spokes line {
  stroke: var(--rule);
  stroke-width: 1;
}
.page-about .ms-src__dots circle {
  fill: var(--panel);
  stroke: var(--cy);
  stroke-width: 2;
}
.page-about .ms-src__core {
  fill: var(--or);
}
.page-about .ms-src__svg g {
  transform-origin: 160px 160px;
  animation: ms-spin 46s linear infinite;
}
.page-about .ms-src__svg .ms-src__rings {
  animation-duration: 66s;
}
.page-about .ms-src__svg .ms-src__dots {
  animation-direction: reverse;
  animation-duration: 52s;
}
@keyframes ms-spin {
  to {
    transform: rotate(360deg);
  }
}
.page-about .ms-net {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
}
.page-about .ms-net__node {
  position: relative;
  padding: 14px 16px;
  border: 1px solid var(--rule);
  border-radius: var(--r-s);
  background: var(--panel);
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.page-about .ms-net__node:hover,
.page-about .ms-net__node:focus-visible {
  background: var(--raise);
  transform: translateY(-2px);
}
.page-about .ms-net__name {
  display: block;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--hi);
}
.page-about .ms-net__type {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--tx2);
}

@media (min-width: 760px) {
  .page-about .ms-net {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (min-width: 920px) {
  .page-about .ms-src {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.85fr);
    gap: 44px;
  }
  .page-about .ms-net {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 三条原则 ---------- */
.page-about .ms-rules {
  list-style: none;
  display: grid;
  gap: 18px;
  margin: 26px 0 0;
  padding: 0;
  counter-reset: ms-rule;
}
.page-about .ms-rules__item {
  position: relative;
  padding: 22px 20px 22px 24px;
  border-radius: var(--r-m);
  border: 1px solid var(--rule);
  background: var(--panel);
}
.page-about .ms-rules__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 22px;
  width: 2px;
  background: linear-gradient(180deg, var(--cy), rgba(56, 242, 208, 0.08));
}
.page-about .ms-rules__idx {
  display: block;
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--cy);
}
.page-about .ms-rules__item h3 {
  margin: 10px 0 10px;
  font-family: var(--font-head);
  font-size: 21px;
  font-weight: 700;
  color: var(--hi);
}
.page-about .ms-rules__item p {
  margin: 0;
  max-width: 52ch;
  color: var(--tx);
}

@media (min-width: 900px) {
  .page-about .ms-rules {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
}

/* ---------- 收束 ---------- */
.page-about .ms-out {
  padding-bottom: 72px;
}
.page-about .ms-out__in {
  display: grid;
  gap: 24px;
  padding: 30px 24px 32px;
  border-radius: var(--r-l) var(--r-m) var(--r-l) var(--r-m);
  border: 1px solid var(--rule);
  background:
    radial-gradient(120% 130% at 0% 0%, rgba(56, 242, 208, 0.12), transparent 58%),
    linear-gradient(150deg, var(--grad), var(--panel) 72%, var(--ink));
}
.page-about .ms-out__copy h2 {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: clamp(24px, 5.4vw, 34px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--hi);
}
.page-about .ms-out__copy p {
  margin: 0;
  max-width: 52ch;
  color: var(--tx);
}
.page-about .ms-out__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (min-width: 900px) {
  .page-about .ms-out__in {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: center;
    gap: 40px;
    padding: 44px 46px;
  }
  .page-about .ms-out__acts {
    justify-content: flex-end;
  }
}

/* ---------- 动效收敛 ---------- */
.page-about .ms-hero__fig,
.page-about .ms-wide,
.page-about .ms-mid {
  will-change: transform;
}

@media (prefers-reduced-motion: reduce) {
  .page-about .ms-src__svg g {
    animation: none;
  }
  .page-about .ms-net__node {
    transition: none;
  }
}
<<<END>>>