.page-about {
  --about-index-w: 208px;
  --about-gap: 56px;
  --about-line: rgba(242, 237, 228, .09);
}

/* 首屏 */
.page-about .about-hero {
  padding: 12px 0 44px;
  max-width: 920px;
}

.page-about .about-hero h1 {
  margin: 16px 0 20px;
  font-size: clamp(30px, 5vw, 54px);
  line-height: 1.16;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--bone);
}

.page-about .about-hero .lede {
  max-width: 40em;
  font-size: 17px;
  line-height: 1.8;
  color: var(--mist);
  margin: 0;
}

.page-about .about-hero__figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 34px;
  background: var(--about-line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-about .about-figure {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 18px 20px;
  background: var(--night);
}

.page-about .about-figure .stat-num {
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1;
  color: var(--pulse);
  letter-spacing: -0.01em;
}

.page-about .about-figure__label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--mist);
}

/* 两栏骨架 */
.page-about .about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  padding-bottom: 88px;
}

/* 左侧索引 */
.page-about .about-index {
  border-top: 2px solid var(--electric);
  padding-top: 16px;
}

.page-about .about-index__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-about .about-index__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px;
  font-size: 14px;
  color: var(--mist);
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid var(--about-line);
  border-radius: 999px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-about .about-index__list a:hover,
.page-about .about-index__list a:focus-visible {
  color: var(--bone);
  border-color: var(--electric);
  background: rgba(46, 139, 255, .10);
  outline: none;
}

.page-about .about-index__list em {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--moss);
}

/* 主体区块 */
.page-about .about-main {
  min-width: 0;
}

.page-about .about-block {
  padding: 38px 0;
  border-top: 1px solid var(--about-line);
}

.page-about .about-block:first-child {
  border-top: none;
  padding-top: 0;
}

.page-about .about-block > .section-title {
  margin: 10px 0 22px;
  font-size: clamp(24px, 3.2vw, 34px);
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--bone);
  line-height: 1.25;
}

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

.page-about .about-prose p {
  margin: 0 0 18px;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--bone);
}

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

.page-about .about-prose--single {
  margin-bottom: 8px;
}

.page-about .about-prose--single p {
  color: var(--mist);
}

/* 横向数据条 */
.page-about .about-block--bar {
  padding: 24px 0;
}

.page-about .about-bar {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 22px 20px;
  border-radius: var(--r-lg);
  background: linear-gradient(135deg, rgba(46, 139, 255, .14), rgba(91, 227, 122, .10) 62%, rgba(194, 112, 78, .12));
  border: 1px solid var(--line);
}

.page-about .about-bar__cell {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-about .about-bar__cell .stat-num {
  font-size: clamp(26px, 3.4vw, 36px);
  line-height: 1;
  color: var(--lime);
}

.page-about .about-bar__cell:last-child .stat-num {
  color: var(--pulse);
}

.page-about .about-bar__cell span:last-child {
  font-size: 13px;
  line-height: 1.55;
  color: var(--mist);
}

/* 图文交错 */
.page-about .about-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: start;
}

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

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

.page-about .about-media figcaption {
  padding: 12px 16px 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
  border-top: 1px solid var(--about-line);
}

.page-about .about-media--wide {
  margin-top: 26px;
}

/* 维护流程三步 */
.page-about .about-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 26px;
}

.page-about .about-step {
  position: relative;
  padding: 20px 18px 20px 64px;
  border-radius: var(--r-md);
  background: var(--night);
  border: 1px solid var(--about-line);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

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

.page-about .about-step__idx {
  position: absolute;
  left: 16px;
  top: 20px;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--electric);
  letter-spacing: 0.02em;
}

.page-about .about-step h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--bone);
}

.page-about .about-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

/* 赛季时间线 */
.page-about .about-timeline {
  list-style: none;
  margin: 0;
  padding: 4px 0 0;
  position: relative;
  display: grid;
  gap: 18px;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--electric), var(--lime) 55%, var(--clay));
}

.page-about .about-timeline__item {
  position: relative;
  padding-left: 36px;
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 18px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--arena);
  border: 2px solid var(--electric);
  box-sizing: border-box;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-about .about-timeline__item:nth-child(4)::before {
  border-color: var(--moss);
}

.page-about .about-timeline__item:nth-child(5)::before {
  border-color: var(--clay);
}

.page-about .about-timeline__card {
  padding: 16px 18px 18px;
  border-radius: var(--r-md);
  background: var(--night);
  border: 1px solid var(--about-line);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-about .about-timeline__item:hover .about-timeline__card {
  border-color: var(--line);
  transform: translateX(4px);
}

.page-about .about-timeline__item:hover::before {
  background: var(--electric);
}

.page-about .about-timeline__year {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--pulse);
}

.page-about .about-timeline__card h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--bone);
}

.page-about .about-timeline__card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

/* 入口卡片 */
.page-about .about-paths {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-about .about-path {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 22px;
  border-radius: var(--r-lg);
  background: var(--night);
  border: 1px solid var(--about-line);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-about .about-path:hover,
.page-about .about-path:focus-visible {
  border-color: var(--electric);
  background: var(--night-2);
  transform: translateY(-3px);
  outline: none;
}

.page-about .about-path h3 {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  color: var(--bone);
  letter-spacing: -0.01em;
}

.page-about .about-path p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-about .about-path__go {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--lime);
  letter-spacing: 0.04em;
}

/* 桌面布局 */
@media (min-width: 900px) {
  .page-about .about-grid {
    grid-template-columns: var(--about-index-w) minmax(0, 1fr);
    gap: var(--about-gap);
    align-items: start;
  }

  .page-about .about-index {
    position: sticky;
    top: 24px;
  }

  .page-about .about-index__list {
    display: grid;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-about .about-index__list a {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 10px 12px;
    border-radius: 0;
    border: none;
    border-left: 2px solid transparent;
    white-space: normal;
  }

  .page-about .about-index__list a:hover,
  .page-about .about-index__list a:focus-visible {
    border-left-color: var(--electric);
    background: rgba(46, 139, 255, .08);
    color: var(--bone);
  }

  .page-about .about-hero {
    padding-bottom: 56px;
  }

  .page-about .about-hero__figures {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    max-width: 800px;
  }

  .page-about .about-bar {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    padding: 26px 28px;
  }

  .page-about .about-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 44px;
  }

  .page-about .about-split--media-right .about-media {
    margin-top: 6px;
  }

  .page-about .about-split--media-left .about-media {
    margin-top: 6px;
  }

  .page-about .about-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-about .about-paths {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1200px) {
  .page-about .about-block {
    padding: 46px 0;
  }

  .page-about .about-split {
    gap: 56px;
  }
}
<<<END>>>