.page-about {
  --about-measure: 68ch;
  --about-rail-w: 208px;
  background: var(--mp-ink);
  color: var(--mp-text);
  overflow-x: hidden;
}

/* ---------- 面包屑与首屏 ---------- */
.page-about .mp-crumbs {
  padding-top: clamp(14px, 2vw, 24px);
}

.page-about .about-hero {
  padding-top: clamp(22px, 3.4vw, 44px);
  padding-bottom: clamp(26px, 4vw, 48px);
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(18px, 3vw, 44px);
  margin-top: 14px;
}

.page-about .about-hero__title {
  font-family: var(--mp-sans);
  font-weight: 900;
  font-size: clamp(2.15rem, 6.4vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 0;
}

.page-about .about-hero__title span {
  display: block;
  margin-top: 0.22em;
  font-weight: 500;
  font-size: 0.46em;
  line-height: 1.32;
  letter-spacing: 0;
  color: var(--mp-lime);
}

.page-about .about-hero__lede p {
  margin: 0 0 14px;
  color: var(--mp-muted);
  line-height: 1.85;
  font-size: clamp(0.95rem, 1.6vw, 1.02rem);
}

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

.page-about .about-hero__lede .mp-lede {
  color: var(--mp-text);
}

.page-about .about-hero__facts {
  list-style: none;
  margin: clamp(24px, 3.6vw, 40px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--mp-line);
  border-top: 1px solid var(--mp-line);
  border-bottom: 1px solid var(--mp-line);
}

.page-about .about-hero__facts li {
  background: var(--mp-ink);
  padding: 14px 16px 15px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-about .about-hero__facts strong {
  font-family: var(--mp-mono);
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  font-weight: 700;
  line-height: 1;
  color: var(--mp-lime);
  letter-spacing: -0.02em;
}

.page-about .about-hero__facts span {
  font-family: var(--mp-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mp-muted);
}

/* ---------- 跨栏氛围图 ---------- */
.page-about .about-wide {
  margin: 0;
  border-top: 1px solid var(--mp-line);
  border-bottom: 1px solid var(--mp-line);
  background: var(--mp-panel);
}

.page-about .about-wide__media {
  width: 100%;
  overflow: hidden;
}

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

.page-about .about-wide__cap {
  display: block;
  padding: 14px clamp(18px, 4vw, 48px) 18px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mp-muted);
  border-top: 1px solid var(--mp-line);
}

.page-about .about-wide__cap .mp-label {
  display: inline-block;
  margin-right: 10px;
  color: var(--mp-lime-2);
}

/* ---------- 主体：目录 + 正文 ---------- */
.page-about .about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 56px);
  padding-top: clamp(30px, 4.2vw, 56px);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-about .about-rail {
  border-top: 1px solid var(--mp-line);
  padding-top: 16px;
}

.page-about .about-rail .mp-label {
  margin: 0 0 10px;
}

.page-about .mp-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
}

.page-about .mp-toc__link {
  display: inline-block;
  font-family: var(--mp-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mp-muted);
  text-decoration: none;
  padding: 5px 0;
  border-bottom: 1px solid transparent;
  transition: color 200ms var(--mp-ease), border-color 200ms var(--mp-ease);
}

.page-about .mp-toc__link:hover,
.page-about .mp-toc__link:focus-visible,
.page-about .mp-toc__link[aria-current="true"] {
  color: var(--mp-lime);
  border-bottom-color: var(--mp-line);
}

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

/* ---------- 章节块 ---------- */
.page-about .about-block {
  padding: clamp(30px, 4vw, 52px) 0;
  border-top: 1px solid var(--mp-line);
}

.page-about .about-block:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-about .about-block .mp-label {
  margin: 0 0 10px;
  color: var(--mp-lime-2);
}

.page-about .about-block .mp-h2 {
  margin: 0 0 clamp(16px, 2.4vw, 26px);
  font-size: clamp(1.5rem, 3.4vw, 2.3rem);
  line-height: 1.18;
  max-width: 22ch;
}

.page-about .about-block__body {
  max-width: var(--about-measure);
  color: var(--mp-muted);
  line-height: 1.9;
  font-size: clamp(0.95rem, 1.5vw, 1rem);
}

.page-about .about-block__body p {
  margin: 0 0 16px;
}

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

.page-about .about-block__body a,
.page-about .about-inline-link a {
  color: var(--mp-lime);
  text-decoration: none;
  border-bottom: 1px solid var(--mp-line);
  transition: border-color 200ms var(--mp-ease);
}

.page-about .about-block__body a:hover,
.page-about .about-inline-link a:hover {
  border-bottom-color: var(--mp-lime);
}

.page-about .about-inline-link {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  font-family: var(--mp-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mp-muted);
  line-height: 1.9;
}

/* ---------- 四步流程 ---------- */
.page-about .about-flow {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--mp-line);
  border: 1px solid var(--mp-line);
}

.page-about .about-flow li {
  background: var(--mp-panel);
  padding: clamp(16px, 2.2vw, 22px);
  transition: background 220ms var(--mp-ease);
}

.page-about .about-flow li:hover {
  background: var(--mp-raise);
}

.page-about .about-flow__num {
  display: block;
  font-family: var(--mp-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mp-lime);
  margin-bottom: 8px;
}

.page-about .about-flow .mp-h3 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-about .about-flow p {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mp-muted);
}

/* ---------- 图文分栏 ---------- */
.page-about .about-split {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
}

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

.page-about .about-side__media {
  border: 1px solid var(--mp-line);
  overflow: hidden;
  background: var(--mp-panel);
}

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

.page-about .about-side__cap {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--mp-muted);
}

/* ---------- 三个小组方阵 ---------- */
.page-about .about-squads {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--mp-line);
  border: 1px solid var(--mp-line);
}

.page-about .about-squad {
  background: var(--mp-panel);
  padding: clamp(18px, 2.4vw, 26px);
  outline: none;
  transition: background 240ms var(--mp-ease);
}

.page-about .about-squad:hover,
.page-about .about-squad:focus-visible,
.page-about .about-squad:focus-within {
  background: var(--mp-raise);
}

.page-about .about-squad .mp-label {
  margin: 0 0 10px;
  color: var(--mp-lime-2);
}

.page-about .about-squad .mp-h3 {
  margin: 0 0 12px;
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  font-weight: 700;
}

.page-about .about-squad__num {
  margin: 0 0 10px;
  font-family: var(--mp-mono);
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--mp-lime);
}

.page-about .about-squad__desc {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mp-muted);
}

.page-about .about-squad__scope {
  margin: 0;
  padding-top: 11px;
  border-top: 1px solid var(--mp-line);
  font-family: var(--mp-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mp-muted);
  opacity: 0.6;
  transition: opacity 240ms var(--mp-ease), color 240ms var(--mp-ease);
}

.page-about .about-squad:hover .about-squad__scope,
.page-about .about-squad:focus-within .about-squad__scope,
.page-about .about-squad:focus-visible .about-squad__scope {
  opacity: 1;
  color: var(--mp-lime);
}

/* ---------- 数据说明 ---------- */
.page-about .about-notes {
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--mp-line);
  max-width: var(--about-measure);
}

.page-about .about-notes > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 15px 0;
  border-bottom: 1px solid var(--mp-line);
}

.page-about .about-notes dt {
  font-family: var(--mp-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mp-lime-2);
}

.page-about .about-notes dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mp-muted);
}

/* ---------- 赛季积累数字柱 ---------- */
.page-about .about-metrics {
  list-style: none;
  margin: clamp(24px, 3.4vw, 36px) 0 0;
  padding: 0;
  border-top: 1px solid var(--mp-line);
}

.page-about .about-metrics li {
  display: grid;
  grid-template-columns: minmax(96px, auto) minmax(0, 1fr);
  align-items: baseline;
  gap: 6px 20px;
  padding: clamp(12px, 2vw, 18px) 0;
  border-bottom: 1px solid var(--mp-line);
}

.page-about .about-metrics__num {
  font-family: var(--mp-mono);
  font-weight: 700;
  font-size: clamp(1.7rem, 4.4vw, 2.7rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--mp-lime);
  white-space: nowrap;
}

.page-about .about-metrics__num .mp-unit {
  font-size: 0.36em;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--mp-muted);
  margin-left: 4px;
}

.page-about .about-metrics__label {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mp-muted);
}

/* ---------- 合作横图 ---------- */
.page-about .about-band {
  margin: clamp(18px, 2.6vw, 26px) 0 clamp(20px, 3vw, 30px);
  border: 1px solid var(--mp-line);
  background: var(--mp-panel);
  overflow: hidden;
}

.page-about .about-band__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

/* ---------- 信任条 ---------- */
.page-about .about-trust {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--mp-line);
  border: 1px solid var(--mp-line);
}

.page-about .about-trust li {
  background: var(--mp-panel);
  padding: clamp(16px, 2.4vw, 22px);
}

.page-about .about-trust .mp-label {
  margin: 0 0 8px;
  color: var(--mp-lime-2);
}

.page-about .about-trust__big {
  margin: 0 0 8px;
  font-family: var(--mp-mono);
  font-size: clamp(1.15rem, 2.6vw, 1.55rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--mp-text);
}

.page-about .about-trust__big .mp-unit {
  font-size: 0.5em;
  font-weight: 500;
  color: var(--mp-muted);
  margin-left: 4px;
}

.page-about .about-trust li > p:last-child {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mp-muted);
}

/* ---------- 联系信息 ---------- */
.page-about .about-contact {
  display: grid;
  gap: 1px;
  background: var(--mp-line);
  border: 1px solid var(--mp-line);
  margin-top: clamp(20px, 3vw, 30px);
}

.page-about .about-contact > div {
  background: var(--mp-ink);
  padding: clamp(16px, 2.4vw, 22px);
}

.page-about .about-contact .mp-label {
  margin: 0 0 8px;
  color: var(--mp-muted);
}

.page-about .about-contact p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mp-text);
  overflow-wrap: anywhere;
}

.page-about .about-contact a {
  color: var(--mp-lime);
  text-decoration: none;
  border-bottom: 1px solid var(--mp-line);
}

.page-about .about-contact a:hover {
  border-bottom-color: var(--mp-lime);
}

.page-about .about-contact .about-contact__note {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--mp-muted);
}

/* ---------- 断点 ---------- */
@media (min-width: 480px) {
  .page-about .about-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-about .about-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  .page-about .about-hero__grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: end;
  }
  .page-about .about-split {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    align-items: start;
  }
  .page-about .about-squads {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-about .about-notes > div {
    grid-template-columns: 110px minmax(0, 1fr);
    gap: 6px 20px;
  }
  .page-about .about-trust {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-about .about-contact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-about .about-layout {
    grid-template-columns: var(--about-rail-w) minmax(0, 1fr);
    gap: clamp(36px, 4vw, 64px);
  }
  .page-about .about-rail {
    position: sticky;
    top: 108px;
    align-self: start;
    border-top: 0;
    border-left: 1px solid var(--mp-line);
    padding: 4px 0 12px 20px;
  }
  .page-about .mp-toc {
    flex-direction: column;
    gap: 0;
  }
  .page-about .mp-toc__link {
    position: relative;
    padding: 9px 0;
    border-bottom: 0;
  }
  .page-about .mp-toc__link[aria-current="true"]::before {
    content: "";
    position: absolute;
    left: -21px;
    top: 50%;
    width: 12px;
    height: 3px;
    background: var(--mp-lime);
    transform: translateY(-50%);
  }
  .page-about .about-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .mp-toc__link,
  .page-about .about-flow li,
  .page-about .about-squad,
  .page-about .about-squad__scope {
    transition: none;
  }
}
<<<END>>>