.page-about {
  --about-pad: clamp(44px, 7vw, 92px);
  --about-cut: 26px;
  background-image: radial-gradient(120% 55% at 78% 0%, rgba(46, 242, 255, .07), transparent 62%);
  background-repeat: no-repeat;
}

/* ---------- 面包屑 ---------- */
.page-about .crumbs {
  padding-top: clamp(16px, 3vw, 26px);
}

.page-about .crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ink-2);
}

.page-about .crumbs__list a {
  color: var(--ink-2);
  text-decoration: none;
}

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

.page-about .crumbs__list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-about .crumbs__current {
  color: var(--cyan);
}

/* ---------- 首屏档案封面 ---------- */
.page-about .about-hero {
  position: relative;
  padding: clamp(24px, 5vw, 46px) 0 var(--about-pad);
  overflow: hidden;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line) 16%, var(--line) 84%, transparent);
}

.page-about .about-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 52px);
}

.page-about .about-hero__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2rem, 7vw, 3.9rem);
  line-height: 1.04;
  letter-spacing: -.015em;
  margin: 14px 0 18px;
}

.page-about .about-hero__lede {
  max-width: 34em;
  color: var(--ink-2);
  margin: 0;
}

.page-about .about-hero__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(92px, 1fr));
  gap: 14px 18px;
  margin: 30px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-about .about-fact {
  display: flex;
  flex-direction: column-reverse;
  gap: 6px;
  margin: 0;
}

.page-about .about-fact__num {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(1.5rem, 4.4vw, 2.1rem);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-about .about-fact:nth-child(2) .about-fact__num {
  color: var(--orange);
}

.page-about .about-fact__label {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--ink-2);
}

.page-about .about-hero__fig {
  position: relative;
  margin: 0;
}

.page-about .about-hero__fig::before {
  content: "";
  position: absolute;
  inset: 14px -10px -12px 12px;
  background: linear-gradient(135deg, rgba(46, 242, 255, .30), rgba(255, 106, 26, .16) 62%, transparent);
  filter: blur(24px);
}

.page-about .about-hero__fig img {
  position: relative;
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--about-cut)), calc(100% - var(--about-cut)) 100%, 0 100%);
}

.page-about .about-hero__cap {
  position: relative;
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--ink-2);
}

/* ---------- 品牌定位 ---------- */
.page-about .origin {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 4vw, 44px);
}

.page-about .origin__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.7rem, 4.4vw, 2.6rem);
  line-height: 1.12;
  letter-spacing: -.01em;
  margin: 12px 0 0;
}

.page-about .origin__body {
  padding-left: clamp(16px, 3vw, 30px);
  border-left: 2px solid var(--line);
  color: var(--ink);
}

.page-about .origin__body p {
  margin: 0 0 18px;
  color: var(--ink-2);
}

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

/* ---------- 版本演进 ---------- */
.page-about .history__head {
  max-width: 42em;
}

.page-about .history__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.6rem, 4.2vw, 2.4rem);
  line-height: 1.14;
  margin: 12px 0 0;
}

.page-about .history__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 5vw, 54px);
  margin-top: clamp(26px, 4vw, 44px);
}

.page-about .timeline {
  position: relative;
  margin-left: 8px;
  padding-left: 30px;
  border-left: 1px solid var(--line);
}

.page-about .tl {
  position: relative;
  border-top: 1px solid var(--line);
}

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

.page-about .tl::before {
  content: "";
  position: absolute;
  left: -35px;
  top: 27px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--line);
  transition: border-color .3s var(--ease), background-color .3s var(--ease), box-shadow .3s var(--ease);
}

.page-about .tl[open]::before {
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(46, 242, 255, .16);
}

.page-about .tl__sum {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  position: relative;
  padding: 20px 36px 20px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-about .tl__sum:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-about .tl__idx {
  font-family: var(--mono);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-about .tl:first-child .tl__idx {
  color: var(--orange);
}

.page-about .tl__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--ink);
}

.page-about .tl__mark {
  position: absolute;
  right: 6px;
  top: 26px;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(45deg);
  transition: transform .3s var(--ease);
}

.page-about .tl[open] .tl__mark {
  transform: rotate(-135deg);
}

.page-about .tl__body {
  max-width: 40em;
  padding: 0 36px 24px 0;
}

.page-about .tl__body p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.75;
  color: var(--ink-2);
}

.page-about .tl__body .meta {
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-about .history__fig {
  margin: 0;
}

.page-about .history__fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(26px 0, 100% 0, 100% 100%, 0 100%, 0 26px);
  opacity: .94;
}

.page-about .history__fig figcaption {
  margin-top: 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--ink-2);
}

/* ---------- 团队 ---------- */
.page-about .teams__fig {
  margin: 0 0 clamp(24px, 4vw, 40px);
}

.page-about .teams__fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-about .teams__head {
  max-width: 44em;
}

.page-about .teams__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.6rem, 4.2vw, 2.4rem);
  line-height: 1.14;
  margin: 12px 0 14px;
}

.page-about .teams__lede {
  margin: 0;
  color: var(--ink-2);
}

.page-about .rolelist {
  list-style: none;
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  border-bottom: 1px solid var(--line);
}

.page-about .role {
  padding: 24px 0;
  border-top: 1px solid var(--line);
}

.page-about .role__idx {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--orange);
}

.page-about .role__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.2rem;
  margin: 10px 0 10px;
  color: var(--ink);
}

.page-about .role__desc {
  margin: 0 0 12px;
  font-size: .95rem;
  line-height: 1.75;
  color: var(--ink-2);
}

.page-about .role__meta {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--cyan);
}

/* ---------- 赛事覆盖 ---------- */
.page-about .coverage__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.6rem, 4.2vw, 2.4rem);
  line-height: 1.14;
  margin: 12px 0 0;
  max-width: 30em;
}

.page-about .coverage__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 48px);
  margin-top: clamp(26px, 4vw, 42px);
}

.page-about .coverage__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 22px 26px;
}

.page-about .cstat {
  padding-top: 16px;
  border-top: 2px solid var(--line);
}

.page-about .cstat__num {
  display: block;
  font-family: var(--mono);
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-about .cstat:nth-child(2) .cstat__num {
  color: var(--orange);
}

.page-about .cstat:nth-child(4) .cstat__num {
  color: var(--gold);
}

.page-about .cstat__label {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-2);
}

.page-about .coverage__chart {
  padding: 18px 16px 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
}

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

.page-about .spark__scale {
  display: flex;
  justify-content: space-between;
  gap: 6px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--ink-2);
}

.page-about .spark__scale .is-now {
  color: var(--orange);
}

.page-about .coverage__sub {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.15rem;
  margin: clamp(30px, 5vw, 46px) 0 0;
  color: var(--ink);
}

.page-about .serieslist {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(165px, 1fr));
  gap: 12px;
}

.page-about .series {
  padding: 14px 16px;
  background: rgba(7, 11, 26, .6);
  border-left: 2px solid var(--cyan);
}

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

.page-about .series__name {
  display: block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  color: var(--ink);
}

.page-about .series__desc {
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ink-2);
}

/* ---------- 长期协作记录 ---------- */
.page-about .hon__head {
  max-width: 42em;
}

.page-about .hon__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.6rem, 4.2vw, 2.4rem);
  line-height: 1.14;
  margin: 12px 0 0;
}

.page-about .badges {
  list-style: none;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(232px, 1fr));
  gap: 14px;
}

.page-about .badge {
  padding: 20px 18px 18px;
  background: linear-gradient(160deg, rgba(201, 162, 39, .13), rgba(16, 26, 58, .92) 58%);
  border: 1px solid rgba(201, 162, 39, .34);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}

.page-about .badge__mark {
  display: block;
  font-size: 12px;
  color: var(--gold);
}

.page-about .badge__label {
  display: block;
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-about .badge__note {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-2);
  transition: color .3s var(--ease);
}

.page-about .badge:hover .badge__note,
.page-about .badge:focus-within .badge__note {
  color: var(--ink);
}

/* ---------- 继续了解 ---------- */
.page-about .about-next__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-about .about-next__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.55rem, 4vw, 2.2rem);
  line-height: 1.16;
  margin: 0 0 14px;
}

.page-about .about-next__desc {
  margin: 0;
  max-width: 34em;
  color: var(--ink-2);
}

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

.page-about .about-next__links a {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 16px 18px;
  background: var(--panel);
  border-left: 3px solid var(--line);
  color: var(--ink);
  text-decoration: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.02rem;
  transition: border-color .25s var(--ease), transform .25s var(--ease);
}

.page-about .about-next__links a:hover,
.page-about .about-next__links a:focus-visible {
  border-left-color: var(--cyan);
  transform: translateX(4px);
}

.page-about .about-next__links span {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ink-2);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-about .rolelist {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 30px;
  }

  .page-about .role {
    padding: 26px 0;
  }
}

@media (min-width: 900px) {
  .page-about .origin {
    grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr);
    align-items: start;
  }

  .page-about .coverage__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }

  .page-about .about-next__grid {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  }
}

@media (min-width: 960px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-about .history__grid {
    grid-template-columns: minmax(0, 1.24fr) minmax(0, .76fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .tl__mark,
  .page-about .tl::before,
  .page-about .badge__note,
  .page-about .about-next__links a {
    transition: none;
  }
}