.page-about {
  --ap-ink: #16233D;
  --ap-ink-soft: #43536F;
  --ap-rule-soft: #D6C4A4;
}

/* ---------- 开篇 ---------- */
.page-about .ap-open {
  padding: clamp(22px, 4vw, 48px) 0 clamp(6px, 1.5vw, 16px);
}

.page-about .ap-open__kicker {
  margin: 26px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--orange);
}

.page-about .ap-open__title {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 300;
  font-size: clamp(30px, 5.6vw, 74px);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--bright);
  max-width: 20ch;
}

.page-about .ap-open__lede {
  margin: 22px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

@media (min-width: 720px) {
  .page-about .ap-open__lede { font-size: 17px; }
}

/* ---------- 年份刻度轴 ---------- */
.page-about .ap-axis {
  margin: clamp(26px, 4vw, 48px) 0 0;
  color: var(--mist);
}

.page-about .ap-axis__svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .ap-axis__line {
  stroke: var(--line);
  stroke-width: 1;
}

.page-about .ap-axis__dot {
  fill: var(--orange);
}

.page-about .ap-axis__label {
  fill: currentColor;
  font-family: var(--font-mono);
  font-size: 26px;
  letter-spacing: .06em;
}

@media (max-width: 720px) {
  .page-about .ap-axis { display: none; }
}

/* ---------- 章节通用 ---------- */
.page-about .ap-section {
  padding: clamp(40px, 6vw, 84px) 0;
}

.page-about .ap-section + .ap-section {
  border-top: 1px solid var(--line);
}

/* ---------- 时间线 ---------- */
.page-about .ap-tl {
  display: grid;
  margin-top: clamp(22px, 3vw, 40px);
}

.page-about .ap-tl__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  padding: clamp(20px, 3vw, 34px) 0;
  border-top: 1px solid var(--line);
}

.page-about .ap-tl__item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-about .ap-tl__marker {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-left: 14px;
  border-left: 4px solid var(--orange);
}

.page-about .ap-tl__year {
  font-family: var(--font-mono);
  font-weight: 300;
  font-size: clamp(34px, 6vw, 66px);
  line-height: .92;
  letter-spacing: -.04em;
  font-variant-numeric: tabular-nums;
  color: var(--bright);
}

.page-about .ap-tl__tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--mist);
  white-space: nowrap;
}

.page-about .ap-tl__panel {
  min-width: 0;
}

.page-about .ap-tl__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(19px, 2.2vw, 25px);
  line-height: 1.36;
  color: var(--bright);
}

.page-about .ap-tl__text {
  margin: 10px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}

.page-about .ap-tl__text + .ap-tl__text {
  margin-top: 12px;
}

.page-about .ap-tl__media {
  margin: 18px 0 0;
  border-radius: var(--radius);
  overflow: hidden;
}

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

/* 时间线里的暖纸阶段 */
.page-about .ap-tl__item--paper {
  --bright: #16233D;
  --mist: #43536F;
  --line: #D6C4A4;
  background: var(--paper);
  border-radius: var(--radius);
  border-top-color: transparent;
  padding-inline: clamp(16px, 2.2vw, 28px);
  margin: 10px 0;
}

@media (min-width: 900px) {
  .page-about .ap-tl__item {
    grid-template-columns: minmax(180px, 240px) minmax(0, 1fr);
    gap: 28px 52px;
    align-items: start;
  }
}

/* ---------- 数据组 ---------- */
.page-about .ap-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px clamp(16px, 2.4vw, 32px);
  margin-top: clamp(22px, 3vw, 36px);
}

@media (min-width: 760px) {
  .page-about .ap-stats--four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-about .ap-stats--three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* ---------- 团队章节 ---------- */
.page-about .ap-team__media {
  margin: clamp(22px, 3vw, 38px) 0 0;
}

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

.page-about .ap-team__notes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px clamp(20px, 3vw, 44px);
  margin-top: clamp(22px, 3vw, 34px);
}

@media (min-width: 820px) {
  .page-about .ap-team__notes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.page-about .ap-team__note {
  margin: 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
  border-top: 2px solid var(--orange);
  padding-top: 14px;
}

/* ---------- 覆盖范围 ---------- */
.page-about .ap-cover {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 36px);
}

.page-about .ap-cover__media {
  margin: 0;
}

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

@media (min-width: 900px) {
  .page-about .ap-cover {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

.page-about .ap-cover__note {
  margin: clamp(20px, 3vw, 32px) 0 0;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.8;
}

.page-about .ap-cover__note a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--orange);
}

/* ---------- 合作生态 ---------- */
.page-about .ap-partners {
  margin-top: clamp(22px, 3vw, 38px);
}

.page-about .ap-partners__lead p {
  margin: 0 0 14px;
  max-width: 54ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .ap-partners__lead .btn {
  margin-top: 8px;
}

.page-about .ap-partners__list .data-row {
  padding-block: 13px;
  border-bottom: 1px solid var(--line);
}

.page-about .ap-partners__list .data-row:first-child {
  border-top: 1px solid var(--line);
}

/* ---------- 被看见的时刻 ---------- */
.page-about .ap-section--plaque .chapter__title {
  max-width: 22ch;
}

.page-about .ap-plaque__note {
  margin: clamp(20px, 3vw, 34px) 0 0;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.82;
  color: var(--mist);
}

.page-about .ap-plaque__note a {
  color: var(--bright);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--orange);
}

/* ---------- 比赛日的节奏 ---------- */
.page-about .ap-facts {
  margin-top: clamp(20px, 3vw, 32px);
}

.page-about .ap-facts .data-row {
  padding-block: 13px;
  border-bottom: 1px solid var(--line);
}

.page-about .ap-facts .data-row:first-child {
  border-top: 1px solid var(--line);
}

.page-about .ap-facts__note {
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.8;
}

.page-about .ap-facts__note a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--orange);
}

/* ---------- 窄屏兜底 ---------- */
@media (max-width: 560px) {
  .page-about .ap-open__title { max-width: none; }
  .page-about .ap-tl__marker { flex-wrap: wrap; row-gap: 4px; }
  .page-about .ap-stats { gap: 18px 14px; }
}
<<<END>>>