/* ============================================================
   关于赏金电竞 · /about-us/
   页面作用域：.page-about
   ============================================================ */

.page-about {
  --about-line: 1px solid var(--hair);
  --about-pad: clamp(16px, 2.4vw, 26px);
}

/* ---------- 首屏 ---------- */

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(30px, 5.5vw, 64px) clamp(34px, 6vw, 68px);
  border-bottom: 1px solid var(--hair);
}

.page-about .about-hero__cut {
  position: absolute;
  top: -24%;
  right: -12%;
  width: 78%;
  height: 148%;
  background: linear-gradient(150deg, rgba(139, 92, 246, .20) 0%, rgba(255, 122, 24, .08) 52%, transparent 84%);
  clip-path: polygon(32% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
}

.page-about .about-hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--purple-glow);
}

.page-about .about-hero .eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--gold);
}

.page-about .about-hero h1 {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 5vw, 50px);
  line-height: 1.14;
  letter-spacing: -.012em;
  color: var(--white);
  max-width: 15em;
}

.page-about .about-hero__lead {
  max-width: 34em;
  margin-top: 20px;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.82;
  color: var(--white);
}

/* ---------- 首屏数据条 ---------- */

.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(26px, 4.6vw, 44px);
  background: var(--hair);
  border: 1px solid var(--hair);
}

@media (min-width: 720px) {
  .page-about .about-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-about .about-stat {
  background: var(--panel);
  padding: clamp(15px, 2.3vw, 22px) clamp(13px, 1.9vw, 20px);
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.page-about .about-stat__value {
  font-family: var(--font-mono);
  font-size: clamp(21px, 3.4vw, 30px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--gold-hi);
}

.page-about .about-stat__value sup {
  font-size: .55em;
  margin-left: 1px;
  color: var(--cyan);
  vertical-align: super;
}

.page-about .about-stat__label {
  font-size: 12px;
  line-height: 1.5;
  color: var(--mist);
}

/* ---------- 通用区块头 ---------- */

.page-about .about-head {
  max-width: 40em;
  margin-bottom: clamp(20px, 3.2vw, 34px);
}

.page-about .about-head .eyebrow {
  color: var(--purple-glow);
}

.page-about .about-head h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-about .about-head h2 + p {
  margin-top: 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 分栏骨架 ---------- */

.page-about .about-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 40px);
}

@media (min-width: 940px) {
  .page-about .about-split {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 1fr);
    gap: clamp(34px, 4.4vw, 60px);
    align-items: start;
  }

  .page-about .about-split--mirror {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr);
  }

  .page-about .about-split--mirror > :first-child {
    order: 2;
  }
}

/* ---------- 品牌自述区块 ---------- */

.page-about .about-block .about-index {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--gold-hi);
  margin-bottom: 12px;
}

.page-about .about-block h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-about .about-block p {
  margin-top: 14px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--white);
  max-width: 34em;
}

.page-about .about-block p:first-of-type {
  margin-top: 18px;
}

/* ---------- 节奏侧栏 ---------- */

.page-about .about-aside {
  border: 1px solid var(--hair);
  background: var(--panel);
  align-self: start;
}

.page-about .about-aside__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 16px;
  padding: 14px var(--about-pad);
  border-bottom: 1px solid var(--hair);
}

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

.page-about .about-aside__key {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-about .about-aside__val {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--gold-hi);
  text-align: right;
}

/* ---------- 图片容器 ---------- */

.page-about .about-figure {
  margin: 0;
  border: 1px solid var(--hair);
  background: var(--panel);
  overflow: hidden;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-about .about-figure--wide img {
  aspect-ratio: 16 / 7;
}

.page-about .about-figure--full {
  margin-bottom: clamp(26px, 4.4vw, 44px);
}

.page-about .about-figure--full img {
  aspect-ratio: 16 / 6;
}

.page-about .about-figure figcaption {
  padding: 11px 15px;
  border-top: 1px solid var(--hair);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.55;
  letter-spacing: .02em;
  color: var(--mist);
}

/* ---------- 三条内容线 ---------- */

.page-about .about-lines-section .about-figure {
  margin-bottom: clamp(24px, 3.6vw, 38px);
}

.page-about .about-lines {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid var(--hair);
}

.page-about .about-line {
  padding: clamp(20px, 3vw, 30px) 0;
  border-bottom: 1px solid var(--hair);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

@media (min-width: 880px) {
  .page-about .about-line {
    grid-template-columns: 104px minmax(0, 0.9fr) minmax(0, 1.5fr);
    gap: 0 30px;
    align-items: start;
  }
}

.page-about .about-line__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--purple-glow);
}

@media (min-width: 880px) {
  .page-about .about-line__idx {
    padding-top: 5px;
  }
}

.page-about .about-line h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 2.3vw, 22px);
  line-height: 1.35;
  color: var(--white);
}

.page-about .about-line p {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--mist);
}

/* ---------- 青训球员数据 ---------- */

.page-about .about-youth {
  background: var(--zone);
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
}

.page-about .about-youth__side {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border: 1px solid var(--hair);
  background: var(--panel);
}

.page-about .about-youth__side .about-figure {
  border: 0;
  border-bottom: 1px solid var(--hair);
}

.page-about .about-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--hair);
}

.page-about .about-metric {
  background: var(--panel);
  padding: 15px 12px 16px;
}

.page-about .about-metric__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(19px, 3vw, 26px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-about .about-metric__key {
  display: block;
  margin-top: 8px;
  font-size: 11px;
  line-height: 1.45;
  letter-spacing: .06em;
  color: var(--mist);
}

/* ---------- 团队分工折叠 ---------- */

.page-about .about-roles {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  max-width: 60em;
}

.page-about .about-role {
  background: var(--panel);
  border: 1px solid var(--hair);
  transition: border-color .22s var(--ease);
}

.page-about .about-role[open] {
  border-color: rgba(139, 92, 246, .58);
}

.page-about .about-role__sum {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px var(--about-pad);
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: .01em;
  color: var(--white);
}

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

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

.page-about .about-role__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--gold-hi);
  min-width: 3.5em;
}

.page-about .about-role__name {
  flex: 1;
}

.page-about .about-role__chev {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-right: 4px;
  border-right: 1px solid var(--purple-glow);
  border-bottom: 1px solid var(--purple-glow);
  transform: rotate(45deg);
  transition: transform .22s var(--ease);
}

.page-about .about-role[open] .about-role__chev {
  transform: rotate(225deg) translate(-2px, -2px);
}

.page-about .about-role__list {
  margin: 0;
  padding: 14px var(--about-pad) 18px;
  list-style: none;
  border-top: 1px solid var(--hair);
}

.page-about .about-role__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-about .about-role__list li + li {
  margin-top: 7px;
}

.page-about .about-role__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 8px;
  height: 1px;
  background: var(--purple);
}

/* ---------- 赛季里程碑 / 年份索引 ---------- */

.page-about .about-milestones {
  background: var(--zone);
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
}

.page-about .about-timeline {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
}

.page-about .about-years {
  display: flex;
  flex-direction: row;
  gap: 2px;
  overflow-x: auto;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--hair);
  scrollbar-width: thin;
}

.page-about .about-year {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 14px 8px 12px;
  border-left: 2px solid transparent;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--mist);
  transition: color .18s var(--ease), border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-about .about-year em {
  font-style: normal;
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--purple-glow);
  opacity: .82;
}

.page-about .about-year:hover {
  color: var(--white);
  border-left-color: var(--gold);
  background: rgba(255, 122, 24, .06);
}

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

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

.page-about .about-node {
  padding: clamp(18px, 2.8vw, 26px) 0;
  border-bottom: 1px solid var(--hair);
  scroll-margin-top: 110px;
}

.page-about .about-node__year {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--gold-hi);
  margin-bottom: 9px;
}

.page-about .about-node h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2.2vw, 21px);
  line-height: 1.35;
  color: var(--white);
}

.page-about .about-node p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--mist);
  max-width: 44em;
}

.page-about .about-node:target {
  border-bottom-color: rgba(255, 122, 24, .7);
}

.page-about .about-node:target .about-node__year {
  color: var(--white);
}

@media (min-width: 920px) {
  .page-about .about-timeline {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 0 40px;
  }

  .page-about .about-years {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
    border-bottom: 0;
    border-right: 1px solid var(--hair);
    position: sticky;
    top: calc(var(--shell-top, 44px) + 22px);
    align-self: start;
  }

  .page-about .about-year {
    padding: 12px 14px 12px 16px;
  }

  .page-about .about-node:first-child {
    padding-top: 0;
  }
}

/* ---------- 合作生态 ---------- */

.page-about .about-eco__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
}

@media (min-width: 760px) {
  .page-about .about-eco__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-about .about-eco__card {
  background: var(--panel);
  padding: clamp(20px, 3vw, 28px) var(--about-pad);
}

.page-about .about-eco__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(28px, 4.4vw, 40px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--gold-hi);
}

.page-about .about-eco__num em {
  font-style: normal;
  font-size: .42em;
  margin-left: 3px;
  color: var(--cyan);
  letter-spacing: .04em;
}

.page-about .about-eco__key {
  display: block;
  margin-top: 12px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--purple-glow);
}

.page-about .about-eco__card p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-eco__note {
  margin-top: clamp(22px, 3.4vw, 34px);
  padding: clamp(20px, 3vw, 28px) var(--about-pad);
  background: var(--panel);
  border: 1px solid var(--hair);
  border-left: 2px solid var(--gold);
  max-width: 62em;
}

.page-about .about-eco__note p {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--white);
}

.page-about .about-eco__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.page-about .about-eco__actions .btn {
  text-decoration: none;
}

.page-about .about-eco__more {
  margin-top: clamp(18px, 2.6vw, 26px);
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 44em;
}

.page-about .about-eco__more a {
  color: var(--purple-glow);
  text-decoration: none;
  border-bottom: 1px solid rgba(139, 92, 246, .45);
  padding-bottom: 1px;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-about .about-eco__more a:hover {
  color: var(--gold-hi);
  border-bottom-color: var(--gold-hi);
}

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

/* ---------- 窄屏收束 ---------- */

@media (max-width: 760px) {
  .page-about .about-figure--wide img,
  .page-about .about-figure--full img {
    aspect-ratio: 4 / 3;
  }

  .page-about .about-hero__cut {
    width: 96%;
    right: -24%;
    opacity: .78;
  }

  .page-about .about-aside__val {
    text-align: left;
  }
}

@media (max-width: 420px) {
  .page-about .about-role__sum {
    flex-wrap: wrap;
    gap: 6px 12px;
  }

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