.page-about {
  background: var(--bg);
  color: var(--ink);
  overflow-x: hidden;
}

/* 面包屑 */
.page-about .crumbs {
  padding-top: clamp(16px, 3vw, 26px);
}
.page-about .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.page-about .crumbs li {
  display: flex;
  align-items: center;
  gap: 8px;
}
.page-about .crumbs li + li::before {
  content: "/";
  color: var(--line-soft);
}
.page-about .crumbs a {
  color: var(--cyan);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease);
}
.page-about .crumbs a:hover,
.page-about .crumbs a:focus-visible {
  color: var(--accent);
}

/* 首屏 */
.page-about .about-hero {
  padding: clamp(28px, 5vw, 60px) 0 clamp(20px, 4vw, 34px);
}
.page-about .about-hero__title {
  font-family: var(--f-serif);
  font-weight: 600;
  font-size: clamp(29px, 4.8vw, 52px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  margin: 14px 0 0;
  max-width: 880px;
  color: var(--ink);
}
.page-about .about-hero__lede {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  max-width: 660px;
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.9;
  color: var(--muted);
}
.page-about .about-hero__stats {
  list-style: none;
  margin: clamp(26px, 4vw, 42px) 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(--r-md);
  overflow: hidden;
}
.page-about .about-hero__stats li {
  background: var(--panel);
  padding: 15px 18px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.page-about .about-hero__stats .num {
  font-family: var(--f-mono);
  font-size: clamp(23px, 3.4vw, 32px);
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.page-about .about-hero__unit {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* 通栏主题图 */
.page-about .about-plate {
  position: relative;
  margin: clamp(12px, 2.4vw, 22px) 0 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-deep);
}
.page-about .about-plate img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}
.page-about .about-plate__cap {
  position: absolute;
  left: clamp(16px, 4vw, 40px);
  bottom: 14px;
  margin: 0;
  padding: 6px 12px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: rgba(3, 6, 10, 0.78);
  color: var(--accent);
  font-size: 11px;
  letter-spacing: 0.14em;
}

/* 页内目录 */
.page-about .about-toc {
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}
.page-about .about-toc__list {
  display: flex;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 12px 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.page-about .about-toc__list::-webkit-scrollbar {
  display: none;
}
.page-about .about-toc__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  white-space: nowrap;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
  text-decoration: none;
  background: var(--bg);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-pill);
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.page-about .about-toc__link:hover,
.page-about .about-toc__link:focus-visible {
  color: var(--accent);
  border-color: var(--cyan);
  background: var(--hover);
}

/* 章节骨架 */
.page-about .about-sec {
  padding: clamp(44px, 6vw, 84px) 0;
  scroll-margin-top: 96px;
}
.page-about .about-sec--divided {
  border-top: 1px solid var(--line-soft);
}
.page-about .about-sec .eyebrow {
  color: var(--cyan);
  letter-spacing: 0.18em;
}
.page-about .about-sec__title {
  font-family: var(--f-serif);
  font-weight: 600;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.34;
  letter-spacing: -0.005em;
  margin: 12px 0 clamp(16px, 2.4vw, 24px);
  color: var(--ink);
  max-width: 720px;
}
.page-about .about-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
}
.page-about .about-row__main {
  min-width: 0;
}
.page-about .about-row__side {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

/* 正文 */
.page-about .prose {
  max-width: 660px;
}
.page-about .prose p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--muted);
}
.page-about .prose p + p {
  margin-top: 16px;
}

/* 右侧悬挂注解 */
.page-about .about-note {
  margin: 0;
  padding: 12px 14px;
  border-left: 2px solid var(--accent-dim);
  background: var(--panel);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.9;
  letter-spacing: 0.04em;
}

/* 横向色带 */
.page-about .about-band {
  margin: clamp(8px, 2vw, 16px) 0;
  padding: clamp(24px, 4vw, 40px) 0;
  background: linear-gradient(100deg, rgba(57, 255, 158, 0.1), rgba(34, 211, 238, 0.06) 55%, transparent);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-about .about-band__line {
  margin: 0;
  font-family: var(--f-serif);
  font-size: clamp(18px, 2.4vw, 27px);
  line-height: 1.5;
  color: var(--ink);
  max-width: 620px;
}

/* 团队分工 */
.page-about .about-roles {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}
.page-about .about-role {
  background: var(--panel);
  padding: 16px 18px;
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  align-items: center;
  gap: 2px 14px;
  transition: background var(--t-fast) var(--ease);
}
.page-about .about-role:hover {
  background: var(--hover);
}
.page-about .about-role__num {
  grid-row: 1 / span 2;
  font-family: var(--f-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.page-about .about-role__name {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.page-about .about-role__desc {
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

/* 侧栏图片 */
.page-about .about-sidefig {
  margin: 0;
}
.page-about .about-sidefig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}

/* 字段清单 */
.page-about .about-fields {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.page-about .about-fields li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-sm);
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.page-about .about-fields li::before {
  content: "";
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}
.page-about .about-fields li:hover {
  border-color: var(--cyan);
  color: var(--ink);
}

/* 更新节奏 */
.page-about .about-cadence {
  display: grid;
  gap: 16px;
}
.page-about .about-cad {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 20px 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}
.page-about .about-cad:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}
.page-about .about-cad__k {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}
.page-about .about-cad__t {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
  color: var(--ink);
}
.page-about .about-cad__d {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}
.page-about .about-cad__meta {
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

/* 赛季节点时间线 */
.page-about .about-sec--timeline {
  position: relative;
  overflow: hidden;
}
.page-about .about-timeline__bg {
  position: absolute;
  inset: 0;
  margin: 0;
  z-index: 0;
  opacity: 0.18;
}
.page-about .about-timeline__bg img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-about .about-sec--timeline .container {
  position: relative;
  z-index: 1;
}
.page-about .about-tl {
  position: relative;
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0 0 0 28px;
}
.page-about .about-tl::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), var(--cyan) 60%, transparent);
}
.page-about .about-tl__item {
  position: relative;
  padding: 0 0 clamp(24px, 3.4vw, 36px) 12px;
  transition: border-color var(--t-fast) var(--ease);
}
.page-about .about-tl__item:last-child {
  padding-bottom: 0;
}
.page-about .about-tl__item::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 5px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent-dim);
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease), box-shadow var(--t-base) var(--ease);
}
.page-about .about-tl__item:hover::before,
.page-about .about-tl__item:focus-within::before,
.page-about .about-tl__item:focus-visible::before {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(57, 255, 158, 0.14);
}
.page-about .about-tl__item:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 6px;
  border-radius: var(--r-sm);
}
.page-about .about-tl__idx {
  display: block;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
  transition: color var(--t-fast) var(--ease);
}
.page-about .about-tl__item:hover .about-tl__idx,
.page-about .about-tl__item:focus-within .about-tl__idx {
  color: var(--accent);
}
.page-about .about-tl__name {
  margin: 6px 0 8px;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.4;
  color: var(--ink);
}
.page-about .about-tl__body p {
  margin: 0;
  max-width: 620px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
  transition: color var(--t-fast) var(--ease);
}
.page-about .about-tl__item:hover .about-tl__body p,
.page-about .about-tl__item:focus-within .about-tl__body p {
  color: var(--ink);
}

/* 合作与生态 */
.page-about .about-partners {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(18px, 3vw, 28px);
}
.page-about .about-partners__nums {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  align-self: start;
}
.page-about .about-pnum {
  background: var(--panel);
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.page-about .about-pnum .num {
  font-family: var(--f-mono);
  font-weight: 700;
  font-size: 30px;
  line-height: 1;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}
.page-about .about-pnum__k {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* 用户与场景 */
.page-about .about-scenes {
  list-style: none;
  margin: clamp(22px, 4vw, 34px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}
.page-about .about-scene {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line-soft);
  transition: border-color var(--t-fast) var(--ease);
}
.page-about .about-scene:hover {
  border-bottom-color: var(--line);
}
.page-about .about-scene__k {
  padding-top: 5px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.page-about .about-scene__t {
  margin: 0 0 6px;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
  color: var(--ink);
  transition: color var(--t-fast) var(--ease);
}
.page-about .about-scene:hover .about-scene__t {
  color: var(--accent);
}
.page-about .about-scene p {
  margin: 0;
  max-width: 600px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}
.page-about .about-scenes__foot {
  margin: clamp(20px, 3vw, 28px) 0 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

/* 收尾入口 */
.page-about .about-cta {
  padding: 0 0 clamp(56px, 8vw, 100px);
}
.page-about .about-cta__inner {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 150% at 0% 0%, rgba(57, 255, 158, 0.1), transparent 62%),
    var(--panel);
}
.page-about .about-cta__title {
  margin: 12px 0 10px;
  font-family: var(--f-serif);
  font-weight: 600;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.34;
  color: var(--ink);
  max-width: 620px;
}
.page-about .about-cta__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 600px;
}
.page-about .about-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 响应式 */
@media (min-width: 720px) {
  .page-about .about-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-about .about-cadence {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
  .page-about .about-partners__nums {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-about .about-row {
    grid-template-columns: minmax(0, 660px) minmax(0, 220px);
    justify-content: space-between;
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }
  .page-about .about-sec__title {
    margin-bottom: 26px;
  }
  .page-about .about-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
  .page-about .about-cta__links {
    flex-direction: column;
    align-items: stretch;
  }
}
<<<END>>>