.page-about {
  --about-axis: rgba(23, 160, 106, .8);
  --about-card-bg: linear-gradient(165deg, rgba(12, 33, 64, .96), rgba(5, 18, 42, .94));
  background: var(--ink-900);
  color: var(--mist);
  padding-bottom: clamp(48px, 8vw, 96px);
  overflow-x: hidden;
}

.page-about .crumb {
  padding-top: clamp(14px, 2vw, 22px);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding: clamp(18px, 4vw, 40px) 0 clamp(36px, 6vw, 72px);
  background:
    radial-gradient(120% 95% at 8% -10%, rgba(23, 160, 106, .38), transparent 62%),
    radial-gradient(90% 80% at 104% 18%, rgba(255, 107, 44, .2), transparent 66%);
}

.page-about .about-hero__inner {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-about .about-hero__kicker {
  color: var(--lime);
}

.page-about .about-hero__title {
  margin: 12px 0 0;
  font-size: clamp(34px, 7.6vw, 74px);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--mist);
}

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

.page-about .about-hero__text {
  margin: 18px 0 0;
  max-width: 38em;
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.78;
  color: var(--mist-2);
}

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

.page-about .hero-chapters {
  margin-top: 28px;
}

.page-about .hero-chapters__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 2px 2px 10px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-about .hero-chapters__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 8px 15px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  color: var(--mist);
  font-size: 13px;
  letter-spacing: .05em;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-about .hero-chapters__list a:hover {
  border-color: var(--green);
  background: rgba(23, 160, 106, .16);
}

.page-about .hero-chapters__list .t-num {
  color: var(--lime);
  font-size: 12px;
}

.page-about .about-hero__facts {
  background: var(--about-card-bg);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  padding: clamp(20px, 3vw, 28px);
  box-shadow: var(--shadow-lift);
}

.page-about .fact-list {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .fact-list__row {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-about .fact-list__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-about .fact-list__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1;
  color: var(--orange);
}

.page-about .fact-list__label {
  font-size: 14px;
  color: var(--lime);
  letter-spacing: .04em;
}

.page-about .about-hero__facts-note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--lime);
}

/* ---------- 章节骨架 ---------- */
.page-about .about-section {
  padding: clamp(34px, 6vw, 68px) 0;
}

.page-about .about-section__head {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-about .about-section__idx {
  flex: none;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--lime);
}

.page-about .about-section__title {
  margin: 0;
  font-size: clamp(23px, 3.6vw, 40px);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-about .about-section__note {
  margin: 10px 0 0;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--lime);
}

/* ---------- 01 主张 ---------- */
.page-about .about-stance {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-about .about-stance__pull {
  margin: 0;
  padding: 22px 24px;
  border-left: 3px solid var(--green);
  border-radius: 0 var(--r-lg) var(--r-lg) 0;
  background: rgba(23, 160, 106, .1);
  font-size: clamp(18px, 2.6vw, 24px);
  line-height: 1.6;
  color: var(--mist);
}

.page-about .about-stance__body p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist-2);
}

.page-about .audience-list {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .audience-list__item {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  align-items: baseline;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: rgba(12, 33, 64, .7);
}

.page-about .audience-list__tag {
  flex: none;
  padding: 4px 12px;
  border-radius: var(--r-pill);
  background: rgba(255, 107, 44, .16);
  color: var(--orange);
  font-size: 12px;
  letter-spacing: .08em;
}

.page-about .audience-list__text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist-2);
}

/* ---------- 02 团队 ---------- */
.page-about .about-team__figure {
  margin: 0 0 clamp(22px, 3vw, 34px);
  border-radius: var(--r-xl);
  overflow: hidden;
}

.page-about .about-team {
  display: grid;
  gap: 16px;
}

.page-about .role-card {
  padding: clamp(18px, 2.4vw, 24px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--about-card-bg);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-about .role-card:hover {
  border-color: rgba(23, 160, 106, .6);
}

.page-about .role-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-about .role-card__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 22px;
  color: var(--orange);
}

.page-about .role-card__pill {
  background: rgba(23, 160, 106, .16);
  color: var(--green);
  border: 1px solid rgba(23, 160, 106, .4);
  font-size: 12px;
  letter-spacing: .08em;
}

.page-about .role-card__title {
  margin: 14px 0 8px;
  font-size: clamp(18px, 2.4vw, 22px);
  color: var(--mist);
}

.page-about .role-card__sum {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist-2);
}

.page-about .role-card__more {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px dashed var(--line-soft);
}

.page-about summary {
  list-style: none;
  cursor: pointer;
}

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

.page-about .role-card__more summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--green);
}

.page-about .role-card__more summary::after {
  content: "＋";
  color: var(--lime);
}

.page-about .role-card__more[open] summary::after {
  content: "－";
}

.page-about .role-list {
  display: grid;
  gap: 9px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .role-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist-2);
}

.page-about .role-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 8px;
  height: 2px;
  border-radius: 2px;
  background: var(--orange);
}

/* ---------- 03 标准（浅色反白区） ---------- */
.page-about .standard-block {
  background: var(--mist);
  border-radius: var(--r-xl);
  padding: clamp(22px, 4vw, 46px);
  color: var(--ink-900);
}

.page-about .standard-block__head {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding-bottom: clamp(12px, 2vw, 20px);
}

.page-about .standard-block__head .about-section__idx {
  color: var(--green-deep);
}

.page-about .standard-block .about-section__title {
  color: var(--ink-900);
}

.page-about .standard-block__note {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-700);
}

.page-about .standard-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: std;
}

.page-about .standard-item {
  border-top: 1px solid rgba(27, 58, 99, .22);
}

.page-about .standard-item summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 0;
  font-size: clamp(15px, 2.1vw, 18px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink-900);
}

.page-about .standard-item summary::before {
  counter-increment: std;
  content: counter(std, decimal-leading-zero);
  flex: none;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  color: var(--green-deep);
  letter-spacing: .08em;
}

.page-about .standard-item summary::after {
  content: "＋";
  margin-left: auto;
  flex: none;
  color: var(--green-deep);
}

.page-about .standard-item[open] summary::after {
  content: "－";
}

.page-about .standard-item__body {
  padding: 0 0 20px 34px;
}

.page-about .standard-item__body p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-700);
}

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

/* ---------- 04 版本带 ---------- */
.page-about .about-versions__head {
  display: grid;
  gap: 22px;
  align-items: end;
}

.page-about .about-versions__figure {
  margin: 0;
  border-radius: var(--r-xl);
  overflow: hidden;
  max-width: 320px;
}

.page-about .version-band {
  margin-top: clamp(20px, 3vw, 32px);
  padding: 4px var(--gutter) 18px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-about .version-track {
  display: flex;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
  width: max-content;
}

.page-about .version-card {
  flex: 0 0 76vw;
  max-width: 340px;
  scroll-snap-align: center;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--about-card-bg);
  transition: border-color var(--dur) var(--ease);
}

.page-about .version-card:hover {
  border-color: rgba(255, 107, 44, .55);
}

.page-about .version-card__idx {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 30px;
  line-height: 1;
  color: var(--orange);
}

.page-about .version-card__title {
  margin: 16px 0 10px;
  font-size: 18px;
  line-height: 1.4;
  color: var(--mist);
}

.page-about .version-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist-2);
}

.page-about .version-band__hint {
  margin: 6px 0 0;
  padding: 0 var(--gutter);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--lime);
}

/* ---------- 05 联赛覆盖 ---------- */
.page-about .about-leagues {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
}

.page-about .about-leagues__figure {
  margin: 0;
  border-radius: var(--r-xl);
  overflow: hidden;
}

.page-about .about-leagues__body > p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist-2);
}

.page-about .league-points {
  display: grid;
  gap: 14px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .league-points__item {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  border-left: 3px solid var(--green);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  background: rgba(12, 33, 64, .72);
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist-2);
}

.page-about .league-points__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--orange);
}

.page-about .league-award {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--lime);
}

.page-about .league-award .tag {
  flex: none;
}

/* ---------- 06 更新与联系 ---------- */
.page-about .service-grid {
  display: grid;
  gap: 16px;
}

.page-about .service-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background: var(--about-card-bg);
}

.page-about .service-card__label {
  color: var(--lime);
}

.page-about .service-card__big {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.2;
  color: var(--orange);
}

.page-about .service-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist-2);
}

.page-about .service-card__link {
  margin-top: auto;
  align-self: flex-start;
  color: var(--green);
  font-size: 14px;
  letter-spacing: .04em;
  text-decoration: none;
  border-bottom: 1px solid rgba(23, 160, 106, .5);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .service-card__link:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-about .service-card__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: auto;
}

/* ---------- 焦点与动效 ---------- */
.page-about a:focus-visible,
.page-about summary:focus-visible,
.page-about details:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: var(--r-md);
}

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

@media (prefers-reduced-motion: reduce) {
  .page-about * {
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
  }
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-about .about-team {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-about .service-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-about .about-stance {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  }

  .page-about .version-card {
    flex: 0 0 300px;
  }

  .page-about .standard-item__body {
    padding-left: 46px;
  }

  .page-about .about-versions__head {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (min-width: 960px) {
  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: end;
  }

  .page-about .about-hero__facts {
    margin-bottom: -14px;
  }

  .page-about .about-section__head {
    position: relative;
    padding-left: 30px;
  }

  .page-about .about-section__head::before {
    content: "";
    position: absolute;
    left: 2px;
    top: 10px;
    bottom: -30px;
    width: 2px;
    border-radius: 2px;
    background: linear-gradient(180deg, var(--about-axis), rgba(23, 160, 106, 0));
  }

  .page-about .standard-block__head {
    padding-left: 30px;
    position: relative;
  }

  .page-about .standard-block__head::before {
    content: "";
    position: absolute;
    left: 2px;
    top: 10px;
    bottom: 6px;
    width: 2px;
    border-radius: 2px;
    background: linear-gradient(180deg, var(--green-deep), rgba(14, 122, 80, .1));
  }

  .page-about .role-card:nth-child(even) {
    margin-top: 26px;
  }

  .page-about .about-leagues {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
  }

  .page-about .version-band {
    padding-inline: max(var(--gutter), calc((100vw - var(--shell-max)) / 2));
  }

  .page-about .version-band__hint {
    padding-inline: max(var(--gutter), calc((100vw - var(--shell-max)) / 2));
  }
}
</｜｜DSML｜｜ parameter>
</｜｜DSML｜｜ invoke>
</｜｜DSML｜｜ calls>