.page-about {
  --about-node: var(--clay);
  --about-panel: linear-gradient(158deg, rgba(18, 34, 54, 0.88), rgba(10, 20, 32, 0.72));
}

.page-about .about-hero {
  position: relative;
  padding: clamp(30px, 6vw, 76px) 0 clamp(32px, 5vw, 66px);
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(120% 100% at 8% -12%, rgba(53, 240, 192, 0.12), transparent 58%),
    radial-gradient(90% 82% at 96% 2%, rgba(245, 185, 66, 0.09), transparent 62%);
}

.page-about .about-hero .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-about .about-hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 46px);
}

.page-about .about-hero-main .h1 {
  margin: 14px 0 0;
  max-width: 19ch;
}

.page-about .about-hero-main .lede {
  margin: 18px 0 0;
  max-width: 44ch;
}

.page-about .about-hero-stats {
  list-style: none;
  margin: 0;
  padding: clamp(18px, 3vw, 28px);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 16px;
  border: 1px solid var(--line-mint);
  border-radius: var(--r-xl);
  background: linear-gradient(158deg, rgba(18, 34, 54, 0.92), rgba(10, 20, 32, 0.74));
  box-shadow: var(--shadow);
}

.page-about .about-hero-stats li {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.page-about .about-hero-stats .stat__value {
  color: var(--mint);
  font-size: clamp(26px, 4.4vw, 36px);
  line-height: 1;
  letter-spacing: 0.02em;
}

.page-about .about-hero-stats .stat__label {
  color: var(--slate);
  font-size: 12px;
  letter-spacing: 0.1em;
}

@media (min-width: 960px) {
  .page-about .about-hero-inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.8fr);
    align-items: end;
  }
}

/* ---------- 章节骨架 ---------- */

.page-about .about-chapter {
  padding-block: clamp(44px, 7vw, 94px);
}

.page-about .chapter-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 30px);
}

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

.page-about .chapter-rail .index-num {
  color: var(--clay);
  font-size: 15px;
  letter-spacing: 0.18em;
}

.page-about .chapter-tag {
  font-size: 11px;
  letter-spacing: 0.26em;
  color: var(--slate);
}

.page-about .chapter-body {
  min-width: 0;
}

.page-about .chapter-body > .h2 {
  margin: 0 0 16px;
}

.page-about .chapter-body .prose {
  margin: 0 0 14px;
  max-width: 60ch;
}

.page-about .chapter-body .prose:last-child {
  margin-bottom: 0;
}

.page-about .about-inline-actions {
  margin: clamp(18px, 3vw, 26px) 0 0;
}

@media (min-width: 900px) {
  .page-about .chapter-grid {
    grid-template-columns: minmax(88px, 122px) minmax(0, 1fr);
    gap: clamp(26px, 4vw, 66px);
  }

  .page-about .chapter-rail {
    flex-direction: column;
    align-items: flex-start;
    align-self: start;
    position: sticky;
    top: 112px;
  }

  .page-about .chapter-rail::after {
    content: "";
    width: 2px;
    height: 52px;
    margin-top: 4px;
    border-radius: 2px;
    background: linear-gradient(180deg, var(--mint), rgba(53, 240, 192, 0));
  }
}

/* ---------- 事实网格 ---------- */

.page-about .fact-grid {
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  background: var(--line-soft);
  overflow: hidden;
}

.page-about .fact-grid > div {
  padding: 16px 18px;
  background: var(--ink-2);
}

.page-about .fact-grid dt {
  margin-bottom: 6px;
  color: var(--slate);
  font-size: 11px;
  letter-spacing: 0.14em;
}

.page-about .fact-grid dd {
  margin: 0;
  color: var(--chalk);
  font-size: 15px;
  line-height: 1.65;
}

@media (min-width: 720px) {
  .page-about .fact-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .fact-grid > div:nth-child(4) {
    grid-column: 1 / -1;
    background: rgba(78, 107, 92, 0.24);
  }
}

/* ---------- 图片 ---------- */

.page-about .about-figure {
  margin: clamp(22px, 3vw, 32px) 0 0;
}

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

/* ---------- 版本时间轴 ---------- */

.page-about .ver-list {
  list-style: none;
  margin: clamp(28px, 4vw, 42px) 0 0;
  padding: 0 0 0 30px;
  position: relative;
  display: grid;
  gap: 20px;
}

.page-about .ver-list::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--clay), rgba(245, 185, 66, 0.5) 55%, rgba(53, 240, 192, 0.55));
  opacity: 0.72;
}

.page-about .ver-item {
  position: relative;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--about-panel);
}

.page-about .ver-item::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 26px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--about-node);
  box-shadow: 0 0 0 4px rgba(194, 112, 90, 0.18);
}

.page-about .ver-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .ver-code {
  padding: 3px 10px;
  border: 1px solid var(--line-amber);
  border-radius: var(--pill);
  color: var(--amber);
  font-size: 12px;
  letter-spacing: 0.14em;
}

.page-about .ver-title {
  margin: 0;
  color: var(--chalk);
  font-size: clamp(17px, 2.2vw, 20px);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-about .ver-summary {
  margin: 12px 0 0;
  color: rgba(242, 239, 230, 0.76);
  font-size: 15px;
  line-height: 1.78;
}

.page-about .ver-toggle {
  margin-top: 14px;
  padding: 6px 14px;
  border: 1px solid var(--line-mint);
  border-radius: var(--pill);
  background: none;
  color: var(--mint);
  font: inherit;
  font-size: 12px;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: background var(--t) var(--ease), color var(--t) var(--ease);
}

.page-about .ver-toggle:hover {
  background: rgba(53, 240, 192, 0.12);
}

.page-about .ver-panel {
  display: none;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

.page-about .ver-toggle[aria-expanded="true"] + .ver-panel {
  display: block;
}

.page-about .ver-panel p {
  margin: 0;
  max-width: 58ch;
  color: var(--slate);
  font-size: 14px;
  line-height: 1.8;
}

/* ---------- 场景卡带 ---------- */

.page-about .scene-rail {
  margin-top: clamp(22px, 3vw, 34px);
}

.page-about .scene-card {
  flex: 0 0 auto;
  width: min(320px, 80vw);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-about .scene-when {
  color: var(--clay);
  font-size: 12px;
  letter-spacing: 0.14em;
}

.page-about .scene-card .h3 {
  margin: 0;
  font-size: 17px;
  color: var(--chalk);
}

.page-about .scene-card p {
  margin: 0;
  color: rgba(242, 239, 230, 0.74);
  font-size: 14px;
  line-height: 1.75;
}

/* ---------- 权益档位 ---------- */

.page-about .tier-grid {
  margin-top: clamp(24px, 3vw, 34px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-about .tier-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--about-panel);
}

.page-about .tier-card--lead {
  border-color: var(--line-amber);
  background: linear-gradient(158deg, rgba(30, 36, 40, 0.94), rgba(12, 22, 34, 0.76));
}

.page-about .tier-count {
  color: var(--amber);
  font-size: 28px;
  line-height: 1;
}

.page-about .tier-name {
  margin: 0;
  color: var(--chalk);
  font-size: 18px;
  letter-spacing: 0.04em;
}

.page-about .tier-for {
  margin: 0;
  color: var(--slate);
  font-size: 14px;
  line-height: 1.72;
}

.page-about .tier-list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-about .tier-list li {
  position: relative;
  padding-left: 16px;
  color: rgba(242, 239, 230, 0.82);
  font-size: 14px;
  line-height: 1.68;
}

.page-about .tier-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mint);
}

@media (min-width: 860px) {
  .page-about .tier-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 团队 ---------- */

.page-about .team-grid {
  margin-top: clamp(24px, 3vw, 34px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-about .team-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-about .team-role {
  align-self: flex-start;
  padding: 3px 11px;
  border: 1px solid var(--line-mint);
  border-radius: var(--pill);
  color: var(--mint);
  font-size: 12px;
  letter-spacing: 0.14em;
}

.page-about .team-card .h3 {
  margin: 0;
  font-size: 17px;
  color: var(--chalk);
}

.page-about .team-card p {
  margin: 0;
  color: rgba(242, 239, 230, 0.74);
  font-size: 14px;
  line-height: 1.78;
}

.page-about .team-tasks {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-about .team-tasks li {
  position: relative;
  padding-left: 16px;
  color: var(--slate);
  font-size: 13px;
  line-height: 1.66;
}

.page-about .team-tasks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--clay);
}

@media (min-width: 880px) {
  .page-about .team-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-about .team-card:nth-child(2) {
    margin-top: 26px;
  }

  .page-about .team-card:nth-child(3) {
    margin-top: 52px;
  }
}

/* ---------- 赛季节奏 ---------- */

.page-about .season-grid {
  margin-top: clamp(24px, 3vw, 34px);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 36px);
  align-items: center;
}

.page-about .pace-ring {
  display: block;
  width: min(240px, 60vw);
  height: auto;
  margin-bottom: clamp(18px, 3vw, 26px);
}

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

.page-about .pace-item {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-about .pace-item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-about .pace-key {
  color: var(--mint);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.page-about .pace-val {
  color: rgba(242, 239, 230, 0.82);
  font-size: 14px;
  line-height: 1.72;
}

.page-about .season-figure {
  margin: 0;
}

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

@media (min-width: 900px) {
  .page-about .season-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }
}

/* ---------- 合作生态 ---------- */

.page-about .eco-grid {
  margin-top: clamp(24px, 3vw, 34px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-about .eco-card {
  padding: 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--moss);
  border-radius: var(--r-md);
  background: rgba(18, 34, 54, 0.66);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-about .eco-card:nth-child(2) {
  border-left-color: var(--clay);
}

.page-about .eco-card:nth-child(3) {
  border-left-color: var(--amber);
}

.page-about .eco-card:nth-child(4) {
  border-left-color: var(--mint);
}

.page-about .eco-count {
  color: var(--amber);
  font-size: 20px;
  line-height: 1.1;
}

.page-about .eco-card .h3 {
  margin: 0;
  font-size: 16px;
  color: var(--chalk);
}

.page-about .eco-card p {
  margin: 0;
  color: var(--slate);
  font-size: 14px;
  line-height: 1.72;
}

@media (min-width: 720px) {
  .page-about .eco-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-about .eco-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 结尾 ---------- */

.page-about .about-cta {
  padding-block: clamp(44px, 7vw, 90px);
}

.page-about .cta-panel {
  padding: clamp(26px, 4vw, 46px);
  border: 1px solid var(--line-mint);
  border-radius: var(--r-xl);
  background:
    radial-gradient(110% 130% at 100% 0%, rgba(53, 240, 192, 0.12), transparent 58%),
    linear-gradient(150deg, rgba(18, 34, 54, 0.94), rgba(10, 20, 32, 0.8));
}

.page-about .cta-panel .h2 {
  margin: 0 0 14px;
}

.page-about .cta-panel .lede {
  margin: 0;
  max-width: 52ch;
}

.page-about .cta-actions {
  margin-top: clamp(20px, 3vw, 30px);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .cta-actions .btn {
  text-decoration: none;
}
</｜｜DSML｜｜ parameter>
</｜｜DSML｜｜ invoke>
</｜｜DSML｜｜ calls>