.page-about {
  --about-gap: clamp(60px, 9vw, 124px);
  --about-line: rgba(22, 17, 15, .14);
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-about .about-hero {
  position: relative;
  padding: 22px 0 0;
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(200, 16, 46, .10), transparent 58%),
    repeating-linear-gradient(90deg, rgba(22, 17, 15, .05) 0 1px, transparent 1px 96px);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 42%;
  height: 5px;
  background: linear-gradient(90deg, var(--red), var(--wine));
}

.page-about .about-hero__frame {
  position: relative;
  margin-top: 22px;
  padding: clamp(22px, 4vw, 52px) clamp(18px, 4vw, 52px) clamp(28px, 5vw, 58px);
  border: 1px solid var(--ink);
  background: linear-gradient(180deg, rgba(243, 237, 226, .55), rgba(243, 237, 226, .96));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-about .about-frame {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.page-about .about-frame span::before,
.page-about .about-frame span::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border: 0 solid var(--red);
}

.page-about .about-frame span:first-child::before {
  top: -1px;
  left: -1px;
  border-top-width: 3px;
  border-left-width: 3px;
}

.page-about .about-frame span:first-child::after {
  top: -1px;
  right: -1px;
  border-top-width: 3px;
  border-right-width: 3px;
}

.page-about .about-frame span:last-child::before {
  bottom: -1px;
  left: -1px;
  border-bottom-width: 3px;
  border-left-width: 3px;
}

.page-about .about-frame span:last-child::after {
  bottom: -1px;
  right: -1px;
  border-bottom-width: 3px;
  border-right-width: 3px;
}

.page-about .about-hero__grid {
  display: grid;
  gap: 30px;
}

.page-about .about-hero__main {
  padding-top: 6px;
  min-width: 0;
}

.page-about .about-hero h1 {
  margin: 12px 0 18px;
  font-size: clamp(32px, 7.2vw, 68px);
  line-height: 1.06;
  font-weight: 800;
  letter-spacing: -.02em;
  max-width: 15em;
  transform: rotate(-1.1deg);
  transform-origin: left bottom;
}

.page-about .about-hero__lede {
  margin: 0;
  max-width: 44em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--gray);
}

.page-about .about-hero__aside {
  border-top: 1px solid var(--rule);
  padding-top: 18px;
}

.page-about .about-hero__facts {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-about .about-hero__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--wine);
}

.page-about .about-hero__label {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gray);
}

.page-about .about-index {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: rgba(255, 255, 255, .28);
}

.page-about .about-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  list-style: none;
  margin: 0;
  padding: 14px 0;
}

.page-about .about-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--gray);
  text-decoration: none;
  transition: color .2s var(--ease);
}

.page-about .about-index__link:hover,
.page-about .about-index__link:focus-visible {
  color: var(--red);
}

.page-about .about-index__link .index-num {
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-about .about-chapter {
  padding-top: var(--about-gap);
  scroll-margin-top: 84px;
}

.page-about .about-row {
  display: grid;
  gap: 22px;
}

.page-about .about-rail {
  display: flex;
  align-items: baseline;
  gap: 16px;
}

.page-about .about-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: var(--font-mono);
  color: var(--ink);
  transition: color .2s var(--ease);
}

.page-about .about-rail__link:hover {
  color: var(--red);
}

.page-about .about-rail .annotation--vertical {
  writing-mode: horizontal-tb;
  letter-spacing: .18em;
}

.page-about .about-head {
  max-width: 46em;
  margin-bottom: 34px;
}

.page-about .about-head h2 {
  margin: 0 0 14px;
  font-size: clamp(25px, 4.6vw, 40px);
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-about .about-head__lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--gray);
}

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

/* 时间轴 */
.page-about .timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--orange) 0%, var(--red) 45%, var(--silver) 100%);
}

.page-about .timeline__item {
  position: relative;
  padding: 0 0 52px 34px;
}

.page-about .timeline__item:last-child {
  padding-bottom: 0;
}

.page-about .timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 13px;
  height: 13px;
  box-sizing: border-box;
  border: 2px solid var(--orange);
  border-radius: 50%;
  background: var(--cream);
  transition: border-color .24s var(--ease), transform .24s var(--ease);
}

.page-about .timeline__item:hover::before {
  border-color: var(--red);
  transform: scale(1.18);
}

.page-about .timeline__stage {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--wine);
  background: rgba(200, 16, 46, .09);
  padding: 4px 10px;
  margin-bottom: 12px;
}

.page-about .timeline__title {
  margin: 0 0 8px;
  font-size: 21px;
  line-height: 1.32;
  font-weight: 800;
}

.page-about .timeline__text {
  margin: 0 0 12px;
  max-width: 42em;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--gray);
}

.page-about .timeline__gain {
  margin: 0 0 6px;
  padding-left: 12px;
  border-left: 2px solid var(--orange);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
}

.page-about .timeline__gain .tag {
  margin-right: 8px;
}

.page-about .timeline__item .media-frame {
  max-width: 520px;
  margin: 20px 0 0;
}

/* 三件事 */
.page-about .triad {
  display: grid;
  gap: 26px;
}

.page-about .triad__item {
  position: relative;
  padding-top: 18px;
  border-top: 2px solid var(--ink);
}

.page-about .triad__item:nth-child(1) {
  border-top-color: var(--red);
}

.page-about .triad__item:nth-child(2) {
  border-top-color: var(--blue);
}

.page-about .triad__item:nth-child(3) {
  border-top-color: var(--orange);
}

.page-about .triad__item::after {
  content: attr(data-idx);
  position: absolute;
  right: 0;
  top: 10px;
  font-family: var(--font-mono);
  font-size: 52px;
  line-height: 1;
  color: rgba(22, 17, 15, .07);
  pointer-events: none;
}

.page-about .triad__title {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 800;
}

.page-about .triad__text {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray);
}

.page-about .triad__link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--red);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 16, 46, .4);
  padding-bottom: 2px;
  transition: transform .2s var(--ease), border-color .2s var(--ease);
}

.page-about .triad__link:hover {
  transform: translateX(6px);
  border-color: var(--red);
}

/* 团队 */
.page-about .crew {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--about-line);
}

.page-about .crew__item {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--about-line);
  transition: transform .24s var(--ease);
}

.page-about .crew__item:hover {
  transform: translateX(6px);
}

.page-about .crew__num {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--orange);
}

.page-about .crew__name {
  font-size: 17px;
  font-weight: 800;
}

.page-about .crew__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray);
}

.page-about .crew__figure {
  margin-top: 32px;
}

/* 覆盖版图 */
.page-about .map-frame {
  margin: 0 0 30px;
}

.page-about .legend {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--about-line);
}

.page-about .legend__item {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--about-line);
  outline: none;
}

.page-about .legend__item:hover .legend__city,
.page-about .legend__item:focus-visible .legend__city {
  color: var(--red);
}

.page-about .legend__city {
  font-size: 16px;
  font-weight: 700;
  transition: color .2s var(--ease);
}

.page-about .legend__num {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--ink);
}

.page-about .legend__tip {
  position: absolute;
  left: 0;
  bottom: calc(100% - 6px);
  z-index: 4;
  max-width: 260px;
  padding: 9px 12px;
  background: var(--cinema);
  color: var(--cream);
  font-size: 12px;
  line-height: 1.65;
  border-left: 2px solid var(--neon);
  opacity: 0;
  visibility: hidden;
  transform: translateY(5px);
  transition: opacity .2s var(--ease), transform .2s var(--ease), visibility .2s var(--ease);
  pointer-events: none;
}

.page-about .legend__item:hover .legend__tip,
.page-about .legend__item:focus-visible .legend__tip {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* 合作 */
.page-about .partners {
  display: grid;
  gap: 18px;
}

.page-about .partners__card {
  padding: 22px 20px;
  border: 1px solid var(--about-line);
  border-left: 3px solid var(--blue);
  background: rgba(255, 255, 255, .42);
  box-shadow: 0 1px 0 rgba(22, 17, 15, .05);
}

.page-about .partners__card:nth-child(2) {
  border-left-color: var(--orange);
}

.page-about .partners__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 38px;
  line-height: 1;
  color: var(--wine);
}

.page-about .partners__title {
  margin: 10px 0 8px;
  font-size: 18px;
  font-weight: 800;
}

.page-about .partners__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray);
}

.page-about .honor {
  margin: 28px 0 0;
  padding: 14px 0 14px 20px;
  border-left: 3px solid var(--red);
  font-size: 16px;
  line-height: 1.8;
}

/* 会员 */
.page-about .members__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.page-about .members__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.page-about .members__tab {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  padding: 9px 18px;
  border: 1px solid var(--about-line);
  cursor: pointer;
  color: var(--ink);
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-about .members__tab:hover {
  border-color: var(--ink);
}

.page-about .members__radio:nth-of-type(1):checked ~ .members__tabs .members__tab:nth-of-type(1),
.page-about .members__radio:nth-of-type(2):checked ~ .members__tabs .members__tab:nth-of-type(2),
.page-about .members__radio:nth-of-type(3):checked ~ .members__tabs .members__tab:nth-of-type(3) {
  background: var(--red);
  border-color: var(--red);
  color: var(--cream);
}

.page-about .members__radio:focus-visible:nth-of-type(1) ~ .members__tabs .members__tab:nth-of-type(1),
.page-about .members__radio:focus-visible:nth-of-type(2) ~ .members__tabs .members__tab:nth-of-type(2),
.page-about .members__radio:focus-visible:nth-of-type(3) ~ .members__tabs .members__tab:nth-of-type(3) {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
}

.page-about .members__panel {
  display: none;
  padding: 22px 20px;
  border: 1px solid var(--about-line);
  border-top: 3px solid var(--red);
  background: linear-gradient(180deg, rgba(255, 255, 255, .55), rgba(243, 237, 226, .18));
}

.page-about .members__radio:nth-of-type(1):checked ~ .members__panels .members__panel:nth-of-type(1),
.page-about .members__radio:nth-of-type(2):checked ~ .members__panels .members__panel:nth-of-type(2),
.page-about .members__radio:nth-of-type(3):checked ~ .members__panels .members__panel:nth-of-type(3) {
  display: block;
}

.page-about .members__title {
  margin: 0 0 14px;
  font-size: 18px;
  font-weight: 800;
}

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

.page-about .members__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray);
}

.page-about .members__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  background: var(--orange);
}

.page-about .members__note {
  margin: 22px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray);
}

.page-about .members__note a {
  color: var(--red);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 16, 46, .45);
}

.page-about .members__note a:hover {
  border-bottom-color: var(--red);
}

/* 收尾 */
.page-about .about-cta {
  margin-top: var(--about-gap);
  padding: clamp(46px, 7vw, 88px) 0 clamp(50px, 7vw, 92px);
  background:
    radial-gradient(110% 130% at 88% 0%, rgba(200, 16, 46, .30), transparent 60%),
    var(--ink);
  color: var(--cream);
  clip-path: polygon(0 22px, 100% 0, 100% 100%, 0 100%);
}

.page-about .about-cta__inner {
  display: grid;
  gap: 26px;
}

.page-about .about-cta h2 {
  margin: 0 0 12px;
  font-size: clamp(24px, 4.4vw, 38px);
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: -.01em;
  max-width: 22em;
}

.page-about .about-cta__text {
  margin: 0;
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--cream-dim);
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

@media (min-width: 700px) {
  .page-about .triad {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 30px;
  }

  .page-about .crew__item {
    grid-template-columns: 56px 148px minmax(0, 1fr);
    align-items: baseline;
  }

  .page-about .legend {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 44px;
  }

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

  .page-about .about-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 40px;
  }
}

@media (min-width: 860px) {
  .page-about .about-row {
    grid-template-columns: 22% minmax(0, 1fr);
    gap: 52px;
  }

  .page-about .about-rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    position: sticky;
    top: 92px;
  }

  .page-about .about-rail .annotation--vertical {
    writing-mode: vertical-rl;
    letter-spacing: .3em;
  }

  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 56px;
    align-items: end;
  }

  .page-about .about-hero__aside {
    border-top: none;
    border-left: 1px solid var(--rule);
    padding: 0 0 4px 24px;
  }

  .page-about .about-index__list {
    justify-content: space-between;
  }

  .page-about .about-head {
    margin-bottom: 42px;
  }
}
</｜｜DSML｜｜ parameter>
</｜｜DSML｜｜ invoke>
</｜｜DSML｜｜ calls>