.page-about {
  --ab-gap: 16px;
  --ab-soft: rgba(57, 255, 208, 0.18);
}

/* ---------- 首屏 ---------- */

.page-about .ab-hero {
  position: relative;
  overflow: hidden;
  padding: 28px 0 26px;
  border-bottom: 1px solid var(--edge);
}

.page-about .ab-hero::before {
  content: "";
  position: absolute;
  top: -70px;
  right: -26%;
  width: 82%;
  height: 280px;
  background: linear-gradient(140deg, rgba(18, 60, 53, 0.9), rgba(42, 33, 64, 0.55));
  clip-path: polygon(0 0, 100% 0, 100% 100%, 26% 74%);
  pointer-events: none;
  z-index: 0;
}

.page-about .ab-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 34%;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), rgba(255, 138, 61, 0));
  pointer-events: none;
}

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

.page-about .ab-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--sage);
}

.page-about .ab-crumbs a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.page-about .ab-crumbs a:hover,
.page-about .ab-crumbs a:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-about .ab-crumbs [aria-current="page"] {
  color: var(--mist);
}

.page-about .ab-crumbs__sep {
  color: var(--edge-hard);
}

.page-about .ab-hero__kicker {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-about .ab-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.02em;
  font-size: clamp(28px, 7.4vw, 58px);
  line-height: 1.12;
  color: var(--mist);
  max-width: 22ch;
}

.page-about .ab-hero__lead {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
  opacity: 0.86;
  max-width: 64ch;
}

/* ---------- 首屏数据条 ---------- */

.page-about .ab-figures {
  list-style: none;
  margin: 26px 0 0;
  padding: 1px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--edge-soft);
  border: 1px solid var(--edge);
}

.page-about .ab-figure {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 14px 16px;
  background: var(--ink);
}

.page-about .ab-figure__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
}

.page-about .ab-figure__unit {
  font-size: 14px;
  margin-left: 2px;
}

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

/* ---------- 页面目录 ---------- */

.page-about .ab-index {
  margin-top: 26px;
}

.page-about .ab-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 8px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-about .ab-index__list li {
  flex: 0 0 auto;
}

.page-about .ab-index__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 13px;
  border: 1px solid var(--edge);
  color: var(--sage);
  font-size: 13px;
  white-space: nowrap;
  text-decoration: none;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.page-about .ab-index__list a:hover,
.page-about .ab-index__list a:focus-visible {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-about .ab-index__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gold);
  transition: color 0.2s ease;
}

.page-about .ab-index__list a:hover .ab-index__no,
.page-about .ab-index__list a:focus-visible .ab-index__no {
  color: var(--ink);
}

/* ---------- 通用区块 ---------- */

.page-about .ab-sec {
  border-bottom: 1px solid var(--edge-soft);
}

.page-about .ab-sec--alt {
  background: linear-gradient(180deg, rgba(18, 60, 53, 0.4), rgba(7, 26, 22, 0));
}

.page-about .section-head__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.02em;
  font-size: clamp(22px, 5vw, 34px);
  line-height: 1.22;
  color: var(--mist);
}

.page-about .ab-p {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
  opacity: 0.86;
  max-width: 66ch;
}

.page-about .ab-p--wide {
  max-width: 74ch;
}

.page-about .ab-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--edge-hard);
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-about .ab-link:hover,
.page-about .ab-link:focus-visible {
  color: var(--ink);
  background: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-about .ab-split {
  row-gap: 22px;
}

.page-about .ab-split__media {
  align-self: start;
}

/* ---------- 团队分工 ---------- */

.page-about .ab-crew {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-about .ab-crew__item {
  padding: 16px;
  background: var(--panel);
  border: 1px solid var(--edge);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.page-about .ab-crew__item:hover {
  background: var(--zone);
  border-color: var(--edge-hard);
}

.page-about .ab-crew__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.page-about .ab-crew__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-about .ab-crew__count {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 20px;
  font-weight: 700;
  color: var(--orange);
}

.page-about .ab-crew__name {
  margin: 10px 0 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--mist);
}

.page-about .ab-crew__desc {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--sage);
}

/* ---------- 球队库维度 ---------- */

.page-about .ab-dims {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-about .ab-dim {
  padding: 16px;
  background: var(--ink);
  border: 1px solid var(--edge-soft);
  border-left: 3px solid var(--edge);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.page-about .ab-dim:hover,
.page-about .ab-dim:focus-within {
  background: var(--panel);
  border-left-color: var(--cyan);
}

.page-about .ab-dim:focus-visible {
  outline: 1px solid var(--edge-hard);
  outline-offset: 2px;
}

.page-about .ab-dim__code {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-about .ab-dim__title {
  margin: 8px 0 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--mist);
}

.page-about .ab-dim__desc {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--sage);
}

/* ---------- 趋势图 ---------- */

.page-about .ab-chart {
  margin: 24px 0 0;
  padding: 16px 14px 14px;
  background: var(--panel);
  border: 1px solid var(--edge-soft);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
}

.page-about .ab-chart__svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .ab-chart__axis {
  stroke: var(--edge);
  stroke-width: 1;
}

.page-about .ab-chart__grid {
  stroke: var(--edge-soft);
  stroke-width: 1;
  stroke-dasharray: 3 5;
}

.page-about .ab-chart__line {
  fill: none;
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.page-about .ab-chart__line--goal {
  stroke: var(--orange);
}

.page-about .ab-chart__line--loss {
  stroke: var(--cyan);
  stroke-dasharray: 6 5;
}

.page-about .ab-chart__dot--goal {
  fill: var(--orange);
}

.page-about .ab-chart__dot--loss {
  fill: var(--cyan);
}

.page-about .ab-chart__cap {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--sage);
}

/* ---------- 比分归档 ---------- */

.page-about .ab-zone {
  margin-top: 24px;
  padding: 18px 14px;
  background: var(--panel);
  border: 1px solid var(--edge);
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
}

.page-about .ab-zone__labels {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .ab-status {
  display: inline-flex;
  align-items: center;
  padding: 5px 11px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  border: 1px solid currentColor;
  border-radius: 999px;
}

.page-about .ab-status--soon {
  color: var(--sage);
}

.page-about .ab-status--live {
  color: var(--cyan);
}

.page-about .ab-status--done {
  color: var(--gold);
}

.page-about .ab-status--hold {
  color: var(--orange);
}

.page-about .ab-axis {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}

.page-about .ab-axis__node {
  position: relative;
  padding: 0 0 18px 24px;
  border-left: 1px dashed var(--edge);
}

.page-about .ab-axis__node:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-about .ab-axis__dot {
  position: absolute;
  left: -5px;
  top: 4px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(57, 255, 208, 0.14);
}

.page-about .ab-axis__time {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-about .ab-axis__note {
  display: block;
  margin-top: 5px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
  opacity: 0.86;
}

/* ---------- 版本时间线 ---------- */

.page-about .ab-version-media {
  margin: 24px 0 0;
}

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

.page-about .ab-timeline__item {
  position: relative;
  padding: 0 0 22px 24px;
  border-left: 1px solid var(--edge);
  transition: border-left-color 0.25s ease;
}

.page-about .ab-timeline__item:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-about .ab-timeline__item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 5px;
  width: 9px;
  height: 9px;
  background: var(--ink);
  border: 1px solid var(--edge-hard);
  transform: rotate(45deg);
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

.page-about .ab-timeline__item:hover,
.page-about .ab-timeline__item:focus-within {
  border-left-color: var(--cyan);
}

.page-about .ab-timeline__item:hover::before,
.page-about .ab-timeline__item:focus-within::before {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-about .ab-timeline__item:focus-visible {
  outline: 1px solid var(--edge-hard);
  outline-offset: 4px;
}

.page-about .ab-timeline__ver {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-about .ab-timeline__name {
  margin: 6px 0 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--mist);
}

.page-about .ab-timeline__desc {
  margin: 7px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--sage);
  max-width: 64ch;
}

/* ---------- 结尾入口 ---------- */

.page-about .ab-cta__box {
  padding: 26px 18px;
  background: linear-gradient(135deg, rgba(18, 60, 53, 0.92), rgba(14, 42, 35, 0.92));
  border: 1px solid var(--edge);
}

.page-about .ab-cta__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-about .ab-cta__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.02em;
  font-size: clamp(21px, 4.8vw, 30px);
  line-height: 1.24;
  color: var(--mist);
}

.page-about .ab-cta__text {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--mist);
  opacity: 0.86;
  max-width: 68ch;
}

.page-about .ab-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

/* ---------- 断点 ---------- */

@media (min-width: 640px) {
  .page-about .ab-crew {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .ab-figures {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .ab-zone {
    padding: 22px 20px;
  }

  .page-about .ab-cta__box {
    padding: 32px 28px;
  }
}

@media (min-width: 768px) {
  .page-about .ab-hero {
    padding: 42px 0 34px;
  }

  .page-about .ab-index__list {
    flex-wrap: wrap;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-about .ab-dims {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .ab-split {
    row-gap: 28px;
  }

  .page-about .ab-chart {
    padding: 22px 20px 18px;
  }
}

@media (min-width: 1100px) {
  .page-about .ab-crew {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .ab-dims {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .ab-hero__title {
    max-width: 20ch;
  }

  .page-about .ab-timeline {
    max-width: 880px;
  }
}
<<<END>>>