.page-about {
  --track-a: #3F1580;
  --track-b: #5520A8;
  --track-c: #6C2BD9;
  --track-d: #2C93C4;
  --track-e: #00E5FF;
  --about-line: rgba(154, 163, 178, .18);
  color: var(--text);
}

/* ============ 首屏 ============ */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(118% 78% at 84% 10%, rgba(108, 43, 217, .46), transparent 62%),
    radial-gradient(80% 62% at 6% 92%, rgba(0, 229, 255, .10), transparent 66%);
  pointer-events: none;
}

.page-about .about-hero .breadcrumb {
  position: relative;
  padding-top: 18px;
}

.page-about .about-hero__grid {
  position: relative;
  display: grid;
  gap: 30px;
  padding-block: 26px clamp(42px, 6vw, 74px);
}

.page-about .about-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.5rem, 7.6vw, 5.4rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 14px 0 22px;
  color: var(--text);
}

.page-about .about-hero__title em {
  font-style: normal;
  background: linear-gradient(100deg, var(--lilac) 0%, var(--cyan) 82%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.page-about .about-hero__copy .lede {
  max-width: 46ch;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--text);
}

.page-about .about-hero__side {
  display: inline-block;
  margin-top: 24px;
  padding-left: 14px;
  border-left: 2px solid var(--line-cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--text-3);
}

.page-about .about-hero__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line-brand);
  box-shadow: var(--shadow-card);
  margin: 0;
}

.page-about .about-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

@media (min-width: 960px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    gap: 52px;
    align-items: center;
  }
  .page-about .about-hero__media img {
    aspect-ratio: 4 / 3;
  }
}

/* ============ 主体骨架 ============ */
.page-about .about-wrap {
  display: block;
  padding-block: 8px clamp(48px, 7vw, 84px);
}

.page-about .about-index {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 18px 0 6px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-about .about-index__link {
  flex: 0 0 auto;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--text-3);
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}

.page-about .about-index__link:hover,
.page-about .about-index__link:focus-visible {
  color: var(--cyan);
  border-color: var(--line-cyan);
  background: var(--surface-hover);
}

.page-about .about-index__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

@media (min-width: 1080px) {
  .page-about .about-wrap {
    display: grid;
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 60px;
    align-items: start;
  }
  .page-about .about-index {
    position: sticky;
    top: 112px;
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding: 46px 0 0;
  }
  .page-about .about-index__link {
    padding: 10px 0 10px 16px;
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0;
    background: none;
    font-size: 13px;
    letter-spacing: .06em;
  }
  .page-about .about-index__link:hover,
  .page-about .about-index__link:focus-visible {
    border-left-color: var(--cyan);
    background: none;
    color: var(--cyan);
  }
  .page-about .about-index__link:focus-visible {
    outline-offset: 0;
  }
}

/* ============ 通用小节 ============ */
.page-about .about-section {
  padding-block: clamp(38px, 5.6vw, 66px);
  border-top: 1px solid var(--line);
}

.page-about .about-section:first-child {
  border-top: 0;
  padding-top: clamp(26px, 3.6vw, 40px);
}

.page-about .about-section h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.4vw, 2.3rem);
  line-height: 1.26;
  letter-spacing: -0.01em;
  margin: 10px 0 20px;
  max-width: 24ch;
  color: var(--text);
}

.page-about .about-section h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1.5;
  letter-spacing: 0;
  margin: 0 0 8px;
  color: var(--text);
}

.page-about .about-prose p {
  font-size: 1rem;
  line-height: 1.88;
  color: var(--text);
  max-width: 62ch;
  margin: 0 0 16px;
}

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

.page-about .about-prose--lead {
  color: var(--text-3) !important;
  max-width: 58ch;
  margin-bottom: 22px !important;
}

/* ============ 人群筛选 ============ */
.page-about .crowd-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.page-about .crowd-pill {
  appearance: none;
  padding: 9px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text-3);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.4;
  cursor: pointer;
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}

.page-about .crowd-pill:hover {
  color: var(--text);
  border-color: var(--line-brand);
  background: var(--surface-2);
}

.page-about .crowd-pill:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-about .crowd-panels {
  display: grid;
  gap: 14px;
}

.page-about .crowd-panel {
  position: relative;
  padding: 22px 22px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--surface) 0%, var(--bg-soft) 100%);
  border-left: 3px solid var(--brand);
  transition: border-color .2s ease, transform .2s ease;
}

.page-about .crowd-panel:hover {
  border-color: var(--line-cyan);
  border-left-color: var(--cyan);
  transform: translateY(-2px);
}

.page-about .crowd-panel__kicker {
  display: block;
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--text-3);
}

.page-about .crowd-panel p:last-child {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.82;
  color: var(--text-3);
}

@media (min-width: 720px) {
  .page-about .crowd-panels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
  .page-about .crowd-panel:nth-child(2) {
    margin-top: 22px;
  }
  .page-about .crowd-panel:nth-child(4) {
    margin-top: 22px;
  }
}

/* ============ 能力矩阵 ============ */
.page-about .abilities {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--line);
}

.page-about .abilities__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .16;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 78%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 78%);
}

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

.page-about .ability-grid {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.page-about .ability-card {
  padding: 24px 22px 26px;
  border-radius: var(--radius);
  border: 1px solid var(--card-border);
  background: rgba(22, 27, 38, .88);
  backdrop-filter: blur(2px);
  transition: border-color .2s ease, transform .2s ease;
}

.page-about .ability-card:hover {
  border-color: var(--line-cyan);
  transform: translateY(-2px);
}

.page-about .ability-card__num {
  display: block;
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 14px;
  color: var(--cyan);
  text-shadow: 0 0 18px var(--data-glow);
}

.page-about .ability-card p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.82;
  color: var(--text-3);
}

@media (min-width: 760px) {
  .page-about .ability-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    align-items: start;
  }
  .page-about .ability-card:nth-child(1) {
    margin-top: 0;
  }
  .page-about .ability-card:nth-child(2) {
    margin-top: 40px;
  }
  .page-about .ability-card:nth-child(3) {
    margin-top: -14px;
  }
  .page-about .ability-card:nth-child(4) {
    margin-top: 26px;
  }
}

@media (min-width: 1180px) {
  .page-about .ability-card:nth-child(2) {
    margin-top: 56px;
  }
  .page-about .ability-card:nth-child(3) {
    margin-top: -26px;
  }
}

/* ============ 赛季时间轴 ============ */
.page-about .season-track {
  position: relative;
  list-style: none;
  margin: 28px 0 0;
  padding: 0 0 0 34px;
}

.page-about .season-track::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 18px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(to bottom, var(--track-a) 0%, var(--track-b) 24%, var(--track-c) 52%, var(--track-d) 78%, var(--track-e) 100%);
}

.page-about .season-node {
  position: relative;
  padding-block: 4px 30px;
}

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

.page-about .season-node::before {
  content: "";
  position: absolute;
  left: -33px;
  top: 9px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--track-a);
  box-shadow: 0 0 0 4px var(--bg);
}

.page-about .season-node:nth-child(2)::before {
  background: var(--track-b);
}

.page-about .season-node:nth-child(3)::before {
  background: var(--track-c);
}

.page-about .season-node:nth-child(4)::before {
  background: var(--track-d);
}

.page-about .season-node:nth-child(5)::before {
  background: var(--track-e);
  box-shadow: 0 0 0 4px var(--bg), 0 0 20px var(--data-glow);
}

.page-about .season-node__tag {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--text-3);
}

.page-about .season-node p {
  margin: 0;
  max-width: 58ch;
  font-size: .9375rem;
  line-height: 1.84;
  color: var(--text-3);
}

.page-about .season-node--now h3 {
  color: var(--cyan);
}

/* ============ 合作 ============ */
.page-about .partner-strip {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.page-about .partner-cell {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 20px 22px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
}

.page-about .partner-cell__num {
  font-size: clamp(2rem, 5vw, 2.9rem);
  font-weight: 800;
  line-height: 1;
  color: var(--cyan);
  text-shadow: 0 0 22px var(--data-glow);
}

.page-about .partner-cell__label {
  font-size: .9375rem;
  color: var(--text-3);
  line-height: 1.6;
}

@media (min-width: 700px) {
  .page-about .partner-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
  .page-about .partner-cell {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}

/* ============ 团队 ============ */
.page-about .team-grid {
  display: grid;
  gap: 26px;
  margin-top: 6px;
}

.page-about .team-media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line-brand);
}

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

.page-about .team-copy .tag-row {
  margin-top: 22px;
}

@media (min-width: 900px) {
  .page-about .team-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: 44px;
    align-items: start;
  }
}

/* ============ 结尾行动 ============ */
.page-about .about-cta {
  border-top: 1px solid var(--line);
}

.page-about .about-cta__inner {
  display: grid;
  gap: 22px;
  padding: clamp(28px, 4vw, 42px) clamp(22px, 3.4vw, 40px);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 140% at 8% 0%, rgba(108, 43, 217, .40), transparent 62%),
    linear-gradient(140deg, var(--surface) 0%, var(--bg-soft) 100%);
  border: 1px solid var(--line-brand);
}

.page-about .about-cta__inner h2 {
  margin: 0 0 10px;
  font-size: clamp(1.35rem, 2.8vw, 1.9rem);
}

.page-about .about-cta__inner p {
  margin: 0;
  max-width: 54ch;
  font-size: .9375rem;
  line-height: 1.82;
  color: var(--text-3);
}

@media (min-width: 820px) {
  .page-about .about-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 40px;
  }
  .page-about .about-cta__inner .btn-row {
    justify-content: flex-end;
  }
}
<<<END>>>