.page-about {
  --about-rail: 92px;
  --about-card: rgba(11, 41, 66, 0.72);
  background: var(--abyss);
  color: var(--foam);
  overflow-x: hidden;
}

.page-about .wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--pad);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  isolation: isolate;
  padding-block: clamp(32px, 6vw, 84px) clamp(26px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(115% 85% at 92% -12%, rgba(27, 106, 147, 0.62), transparent 62%),
    radial-gradient(70% 62% at 0% 112%, rgba(53, 240, 192, 0.12), transparent 64%);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: repeating-linear-gradient(
    to right,
    rgba(114, 138, 153, 0.16) 0 1px,
    transparent 1px 12.5%
  );
  opacity: 0.5;
  pointer-events: none;
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 52px);
  align-items: end;
}

.page-about .about-hero__title {
  margin: 16px 0 0;
  font-size: clamp(32px, 7.4vw, 76px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 800;
  max-width: 16em;
  overflow-wrap: break-word;
}

.page-about .about-hero__lead {
  margin: 20px 0 0;
  max-width: 46em;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.85;
  color: rgba(244, 248, 250, 0.82);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-about .about-hero__side {
  border-top: 1px solid var(--line-strong);
  padding-top: 18px;
}

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

.page-about .about-hero__stats li {
  display: grid;
  gap: 3px;
}

.page-about .about-hero__num {
  font-size: clamp(26px, 3.4vw, 36px);
  line-height: 1;
  color: var(--neon);
  letter-spacing: 0.04em;
}

.page-about .about-hero__label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

.page-about .about-index {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: clamp(26px, 4vw, 46px);
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-about .about-index a {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 3px;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-about .about-index a .num {
  color: var(--coral);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.page-about .about-index a:hover,
.page-about .about-index a:focus-visible {
  color: var(--foam);
  border-bottom-color: var(--coral);
}

/* ---------- 章节骨架 ---------- */
.page-about .about-chapter {
  padding-block: clamp(36px, 5.5vw, 76px);
  border-bottom: 1px solid var(--line);
}

.page-about .about-chapter--last {
  border-bottom: 0;
}

.page-about .about-chapter__grid {
  display: grid;
  gap: clamp(16px, 3vw, 36px);
}

.page-about .about-chapter__rail {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-about .about-chapter__no {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--coral);
}

.page-about .anno {
  color: var(--mist);
  font-size: 12px;
  letter-spacing: 0.24em;
}

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

.page-about .about-chapter__title {
  margin: 0 0 16px;
  font-size: clamp(23px, 3.4vw, 40px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  font-weight: 800;
}

.page-about .about-chapter__body p {
  margin: 0 0 14px;
  color: rgba(244, 248, 250, 0.8);
  line-height: 1.85;
  font-size: 15px;
}

/* ---------- 历程分段切换 ---------- */
.page-about .about-era {
  margin-top: 24px;
  border: 1px solid var(--line);
  background: var(--about-card);
  padding: clamp(16px, 2.4vw, 24px);
}

.page-about .about-era .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-about .about-era .tabs__btn {
  appearance: none;
  font: inherit;
  font-size: 13px;
  letter-spacing: 0.04em;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--mist);
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-about .about-era .tabs__btn:hover,
.page-about .about-era .tabs__btn:focus-visible {
  color: var(--foam);
  border-color: var(--line-strong);
}

.page-about .about-era .tabs__btn[aria-selected="true"] {
  background: var(--coral);
  border-color: var(--coral);
  color: var(--abyss);
  font-weight: 600;
}

.page-about .about-era .tabs__panel {
  outline-offset: 4px;
}

.page-about .about-era .tabs__panel p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 248, 250, 0.84);
}

.page-about .about-era__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-era__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-about .about-era__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 1px;
  background: var(--neon);
}

/* ---------- 球场纹理图 ---------- */
.page-about .about-origin__visual {
  position: relative;
  margin: 26px 0 0;
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-about .about-origin__visual img {
  display: block;
  width: 100%;
  height: clamp(150px, 26vw, 270px);
  object-fit: cover;
  filter: saturate(0.72) contrast(1.06);
  opacity: 0.8;
}

.page-about .about-origin__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    var(--abyss) 0%,
    rgba(6, 26, 46, 0.22) 55%,
    rgba(6, 26, 46, 0.8) 100%
  );
  pointer-events: none;
}

.page-about .about-origin__cap {
  position: absolute;
  left: 16px;
  bottom: 14px;
  z-index: 1;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--foam);
}

/* ---------- 数据整理 ---------- */
.page-about .about-data__flow {
  display: grid;
  gap: clamp(22px, 3vw, 36px);
  margin-top: 6px;
}

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

.page-about .about-fields {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.page-about .about-fields__cap {
  text-align: left;
  padding-bottom: 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-about .about-fields th,
.page-about .about-fields td {
  text-align: left;
  padding: 11px 10px 11px 0;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  line-height: 1.65;
}

.page-about .about-fields thead th {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
  font-weight: 600;
}

.page-about .about-fields tbody td:first-child {
  font-family: var(--mono);
  color: var(--neon);
  white-space: nowrap;
  padding-right: 14px;
}

.page-about .about-fields tbody td:last-child {
  color: rgba(244, 248, 250, 0.78);
}

.page-about .about-data__note {
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--mist);
  line-height: 1.7;
}

.page-about .about-notes {
  margin-top: 22px;
  border-top: 1px solid var(--line);
}

.page-about .about-notes details {
  border-bottom: 1px solid var(--line);
}

.page-about .about-notes summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 0;
  font-size: 14px;
  color: var(--foam);
}

.page-about .about-notes summary::-webkit-details-marker {
  display: none;
}

.page-about .about-notes summary::after {
  content: "+";
  font-family: var(--mono);
  color: var(--coral);
  font-size: 15px;
  line-height: 1;
}

.page-about .about-notes details[open] summary::after {
  content: "\2212";
}

.page-about .about-notes details p {
  margin: 0 0 16px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 图片容器 ---------- */
.page-about .about-shot {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--deck);
  overflow: hidden;
}

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

.page-about .about-shot figcaption {
  padding: 10px 12px;
  font-size: 11.5px;
  line-height: 1.6;
  letter-spacing: 0.06em;
  color: var(--mist);
  border-top: 1px solid var(--line);
}

/* ---------- 团队 ---------- */
.page-about .about-team {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-about .about-team__card {
  position: relative;
  border: 1px solid var(--line);
  background: var(--about-card);
  padding: 20px 18px 18px;
}

.page-about .about-team__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 36px;
  height: 2px;
  background: var(--coral);
}

.page-about .about-team__card h3 {
  margin: 0 0 10px;
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--foam);
}

.page-about .about-team__role {
  margin: 0 0 14px;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(244, 248, 250, 0.76);
}

.page-about .about-team__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
}

.page-about .about-team__tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 4px 8px;
  border: 1px solid rgba(114, 138, 153, 0.5);
  color: var(--mist);
}

.page-about .about-team__note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--swell);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 赛季节奏 ---------- */
.page-about .about-pace {
  margin-top: 22px;
  border-top: 1px solid var(--line-strong);
}

.page-about .about-pace__row {
  display: grid;
  gap: 6px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .about-pace__when {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--neon);
}

.page-about .about-pace__what {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(244, 248, 250, 0.78);
}

/* ---------- 合作覆盖 ---------- */
.page-about .about-reach {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
  margin-top: 8px;
  align-items: start;
}

.page-about .about-reach__stats {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-about .about-reach__item {
  border: 1px solid var(--line);
  background: var(--about-card);
  padding: 16px 14px;
  display: grid;
  gap: 6px;
  align-content: start;
}

.page-about .about-reach__num {
  font-size: clamp(20px, 2.6vw, 27px);
  line-height: 1.1;
  color: var(--neon);
  letter-spacing: 0.02em;
  overflow-wrap: break-word;
}

.page-about .about-reach__label {
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 服务原则 ---------- */
.page-about .about-principles {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.page-about .about-principles__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  border: 1px solid var(--line);
  border-left: 2px solid var(--steel);
  background: rgba(11, 41, 66, 0.5);
  padding: 15px 16px;
}

.page-about .about-principles__k {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--coral);
  padding-top: 3px;
}

.page-about .about-principles__item p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(244, 248, 250, 0.8);
}

.page-about .about-contact {
  margin-top: 26px;
  display: grid;
  gap: 20px;
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid rgba(255, 107, 74, 0.45);
  background: linear-gradient(135deg, rgba(27, 106, 147, 0.38), rgba(11, 41, 66, 0.9));
}

.page-about .about-contact h3 {
  margin: 0 0 10px;
  font-size: clamp(19px, 2.2vw, 24px);
  letter-spacing: 0.01em;
}

.page-about .about-contact p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(244, 248, 250, 0.82);
}

.page-about .about-contact__meta {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-about .about-contact__meta li {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: baseline;
  font-size: 14px;
}

.page-about .about-contact__key {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
  min-width: 34px;
}

.page-about .about-contact__meta a {
  color: var(--foam);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 74, 0.6);
  padding-bottom: 2px;
}

.page-about .about-contact__meta a:hover,
.page-about .about-contact__meta a:focus-visible {
  color: var(--coral);
}

.page-about .about-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: center;
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 760px) {
  .page-about .about-team {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .about-data__flow {
    grid-template-columns: minmax(0, 1fr) minmax(220px, 0.68fr);
    align-items: start;
  }

  .page-about .about-pace__row {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 6px 20px;
    align-items: baseline;
  }

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

  .page-about .about-reach {
    grid-template-columns: minmax(0, 1fr) minmax(230px, 0.72fr);
    align-items: center;
  }

  .page-about .about-contact {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(215px, 0.65fr);
  }

  .page-about .about-chapter__grid {
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
    gap: clamp(20px, 3vw, 44px);
  }

  .page-about .about-chapter__rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    border-left: 1px solid var(--line-strong);
    padding-left: 16px;
    position: sticky;
    top: 24px;
    align-self: start;
  }

  .page-about .anno {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    letter-spacing: 0.34em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-index a,
  .page-about .about-era .tabs__btn {
    transition: none;
  }
}

以上为本次输出。