.page-about {
  background: var(--ml-white);
  color: var(--ml-text);
  overflow-x: hidden;
}

/* ============ 首屏 ============ */
.page-about .ab-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 24px 0 62px;
  background: linear-gradient(152deg, var(--ml-ink) 0%, var(--ml-night) 54%, #123a6b 100%);
  color: var(--ml-white);
}

.page-about .ab-hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-about .ab-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.36;
}

.page-about .ab-hero__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(150deg, rgba(6, 17, 36, 0.96) 0%, rgba(11, 27, 51, 0.74) 46%, rgba(30, 144, 255, 0.36) 100%);
}

.page-about .ab-hero__grid {
  position: relative;
  display: grid;
  gap: 34px;
  padding-top: 18px;
}

.page-about .ab-hero .ml-breadcrumb {
  color: rgba(220, 235, 255, 0.68);
}

.page-about .ab-hero .ml-breadcrumb__link {
  color: rgba(220, 235, 255, 0.92);
}

.page-about .ab-hero .ml-breadcrumb__current {
  color: #fff;
}

.page-about .ab-hero__eyebrow {
  color: var(--ml-sand);
}

.page-about .ab-hero__title {
  margin: 14px 0 0;
  font-family: var(--ml-font-sans);
  font-weight: 900;
  font-size: clamp(34px, 8.2vw, 66px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: #fff;
}

.page-about .ab-hero__title em {
  font-style: normal;
  color: var(--ml-orange);
}

.page-about .ab-hero__lead {
  margin: 22px 0 0;
  max-width: 56ch;
  font-size: 16.5px;
  line-height: 1.8;
  color: rgba(220, 235, 255, 0.86);
}

.page-about .ab-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-about .ab-hero__board {
  border-radius: var(--ml-radius);
  padding: 22px 22px 20px;
}

.page-about .ab-hero__board-label {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(220, 235, 255, 0.7);
}

.page-about .ab-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .ab-hero__stat {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.page-about .ab-hero__stat-num {
  font-family: var(--ml-font-mono);
  font-weight: 700;
  font-size: 30px;
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: #fff;
}

.page-about .ab-hero__stat-num--hot {
  color: var(--ml-orange);
}

.page-about .ab-hero__stat-unit {
  font-size: 13px;
  line-height: 1.5;
  color: rgba(220, 235, 255, 0.74);
}

/* ============ 起点 ============ */
.page-about .ab-origin {
  background: var(--ml-white);
}

.page-about .ab-origin__grid {
  display: grid;
  gap: 26px;
}

.page-about .ab-origin__year {
  margin: 0;
  font-family: var(--ml-font-mono);
  font-weight: 700;
  font-size: clamp(46px, 12vw, 86px);
  line-height: 0.86;
  letter-spacing: -0.045em;
  color: rgba(30, 144, 255, 0.17);
  font-variant-numeric: tabular-nums;
}

.page-about .ab-origin__body .ml-title {
  margin: 10px 0 0;
}

.page-about .ab-origin__p {
  margin: 18px 0 0;
  max-width: 68ch;
  font-size: 16.5px;
  line-height: 1.8;
}

/* ============ 超大数字陈述 ============ */
.page-about .ab-claim {
  position: relative;
  overflow: hidden;
  padding: clamp(56px, 9vw, 100px) 0;
  background: linear-gradient(118deg, var(--ml-blue) 0%, var(--ml-blue-deep) 60%, var(--ml-night) 100%);
  color: #fff;
}

.page-about .ab-claim::after {
  content: "";
  position: absolute;
  inset: auto -12% -46% 38%;
  height: 78%;
  background: radial-gradient(circle at 32% 34%, rgba(255, 107, 53, 0.42), transparent 68%);
  pointer-events: none;
}

.page-about .ab-claim .ml-container {
  position: relative;
  z-index: 1;
}

.page-about .ab-claim__num {
  margin: 0;
  font-family: var(--ml-font-mono);
  font-weight: 700;
  font-size: clamp(62px, 17vw, 156px);
  line-height: 0.84;
  letter-spacing: -0.05em;
  font-variant-numeric: tabular-nums;
  color: #fff;
}

.page-about .ab-claim__plus {
  font-size: 0.5em;
  vertical-align: 0.42em;
  color: var(--ml-sand);
  margin-left: 0.04em;
}

.page-about .ab-claim__line {
  margin: 20px 0 0;
  max-width: 26ch;
  font-size: clamp(17px, 3vw, 26px);
  font-weight: 700;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.92);
}

/* ============ 比赛日节奏 ============ */
.page-about .ab-day {
  background: var(--ml-white);
}

.page-about .ab-day__head .ml-title {
  margin: 10px 0 0;
}

.page-about .ab-day__head .ml-lead {
  margin: 16px 0 0;
}

.page-about .ab-day__body {
  display: grid;
  gap: 34px;
  margin-top: 34px;
}

.page-about .ab-timeline {
  position: relative;
  margin: 0;
  padding: 0 0 0 26px;
  list-style: none;
}

.page-about .ab-timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--ml-blue) 0%, var(--ml-orange) 100%);
}

.page-about .ab-timeline__item {
  position: relative;
  padding-bottom: 30px;
}

.page-about .ab-timeline__item:last-child {
  padding-bottom: 0;
}

.page-about .ab-timeline__item::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ml-white);
  border: 3px solid var(--ml-blue);
  box-sizing: border-box;
}

.page-about .ab-timeline__item:last-child::before {
  border-color: var(--ml-orange);
}

.page-about .ab-timeline__time {
  display: inline-block;
  font-family: var(--ml-font-mono);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  color: var(--ml-orange);
}

.page-about .ab-timeline__body h3 {
  margin: 6px 0 6px;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ml-ink);
}

.page-about .ab-timeline__body p {
  margin: 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ml-text);
}

.page-about .ab-day__figure {
  margin: 0;
}

.page-about .ab-day__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--ml-radius);
}

.page-about .ab-day__figure .ml-media__caption {
  display: block;
  margin-top: 12px;
}

/* ============ 覆盖范围与四类视图 ============ */
.page-about .ab-scope .ml-title {
  margin: 10px 0 0;
}

.page-about .ab-scope .ml-lead {
  margin: 16px 0 0;
}

.page-about .ab-scope__filter {
  margin-top: 28px;
}

.page-about .ab-views {
  margin-top: 24px;
}

.page-about .ab-view {
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-top: 3px solid var(--ml-blue);
}

.page-about .ab-views .ab-view:nth-child(2) {
  border-top-color: var(--ml-orange);
}

.page-about .ab-views .ab-view:nth-child(3) {
  border-top-color: var(--ml-green);
}

.page-about .ab-views .ab-view:nth-child(4) {
  border-top-color: var(--ml-red);
}

.page-about .ab-view .ml-card__title {
  margin: 0;
}

.page-about .ab-view .ml-card__body {
  margin: 0;
}

.page-about .ab-view .ml-card__more {
  margin: 0;
}

/* ============ 内容共建 ============ */
.page-about .ab-partners {
  background: var(--ml-white);
}

.page-about .ab-partners__grid {
  display: grid;
  gap: 30px;
}

.page-about .ab-partners__media {
  margin: 0;
}

.page-about .ab-partners__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--ml-radius);
}

.page-about .ab-partners__media .ml-media__caption {
  display: block;
  margin-top: 12px;
}

.page-about .ab-partners__body .ml-title {
  margin: 10px 0 0;
}

.page-about .ab-partners__lead {
  margin: 16px 0 0;
  max-width: 54ch;
  font-size: 16.5px;
  line-height: 1.8;
}

.page-about .ab-partners__ways {
  display: grid;
  gap: 14px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .ab-partners__ways li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 18px;
  border-radius: var(--ml-radius-sm);
  background: var(--ml-mist);
}

.page-about .ab-partners__ways li:nth-child(2) {
  background: var(--ml-sand);
}

.page-about .ab-partners__idx {
  font-family: var(--ml-font-mono);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
  color: var(--ml-blue-deep);
}

.page-about .ab-partners__ways h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ml-ink);
}

.page-about .ab-partners__ways p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--ml-text);
}

/* ============ 里程碑 ============ */
.page-about .ab-milestones {
  background: linear-gradient(180deg, var(--ml-night) 0%, var(--ml-ink) 100%);
  color: var(--ml-white);
}

.page-about .ab-milestones__eyebrow {
  color: var(--ml-sand);
}

.page-about .ab-milestones__title {
  margin: 10px 0 0;
  color: #fff;
}

.page-about .ab-miles {
  display: grid;
  gap: 16px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .ab-miles__item {
  display: grid;
  gap: 10px;
  padding: 22px 20px;
  border-radius: var(--ml-radius);
  background: rgba(220, 235, 255, 0.06);
  border: 1px solid rgba(220, 235, 255, 0.14);
}

.page-about .ab-miles__year {
  font-family: var(--ml-font-mono);
  font-weight: 700;
  font-size: 24px;
  line-height: 1.1;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  color: var(--ml-orange);
}

.page-about .ab-miles__body h3 {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  color: #fff;
}

.page-about .ab-miles__body p {
  margin: 0;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ml-text-on-night);
}

/* ============ 服务承诺 ============ */
.page-about .ab-promise {
  background: var(--ml-mist);
}

.page-about .ab-promise .ml-title {
  margin: 10px 0 0;
}

.page-about .ab-promise__grid {
  display: grid;
  gap: 16px;
  margin-top: 30px;
}

.page-about .ab-promise__item {
  padding: 24px 22px;
  border-radius: var(--ml-radius);
  background: #fff;
  border-bottom: 3px solid var(--ml-orange);
  box-shadow: var(--ml-shadow);
}

.page-about .ab-promise__item h3 {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 700;
  color: var(--ml-ink);
}

.page-about .ab-promise__item p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ml-text);
}

.page-about .ab-next {
  display: grid;
  gap: 18px;
  margin-top: 34px;
  padding: 26px 22px;
  border-radius: var(--ml-radius);
  background: linear-gradient(120deg, var(--ml-night) 0%, var(--ml-blue-deep) 100%);
  color: #fff;
}

.page-about .ab-next__text {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}

.page-about .ab-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ============ 响应式 ============ */
@media (min-width: 720px) {
  .page-about .ab-origin__grid {
    grid-template-columns: minmax(110px, 190px) minmax(0, 1fr);
    gap: 46px;
    align-items: start;
  }

  .page-about .ab-origin__year {
    position: sticky;
    top: 120px;
  }

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

  .page-about .ab-miles__item {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 26px;
    align-items: start;
    padding: 26px 26px;
  }

  .page-about .ab-next {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 28px 30px;
  }
}

@media (min-width: 960px) {
  .page-about .ab-hero {
    padding: 30px 0 78px;
  }

  .page-about .ab-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 56px;
    align-items: end;
    padding-top: 28px;
  }

  .page-about .ab-hero__board {
    padding: 28px 28px 26px;
  }

  .page-about .ab-hero__stat-num {
    font-size: 36px;
  }

  .page-about .ab-day__body {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 60px;
    align-items: start;
  }

  .page-about .ab-partners__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 56px;
    align-items: center;
  }

  .page-about .ab-day__head .ml-lead,
  .page-about .ab-scope .ml-lead {
    max-width: 62ch;
  }
}
<<<END>>>