/* ===== 品牌档案室 · 页面专属样式（作用域 .page-about） ===== */

.page-about {
  --about-rail: 232px;
  --about-gap: clamp(24px, 4vw, 72px);
  background-color: var(--ws-ink);
  color: var(--ws-text);
  font-family: var(--ws-font-body);
  overflow-x: hidden;
}

/* ---------- 首屏：框景 + 蓝图网格 ---------- */

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--ws-edge);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--ws-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--ws-line) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.14;
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--ws-gold), var(--ws-magenta) 45%, transparent 88%);
  opacity: 0.6;
  pointer-events: none;
}

.page-about .about-hero .ws-shell {
  position: relative;
  z-index: 1;
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(22px, 3.5vw, 40px);
  margin-top: clamp(22px, 3.5vw, 40px);
}

.page-about .about-hero__lede {
  margin-top: clamp(14px, 2vw, 20px);
  max-width: 62ch;
}

.page-about .about-hero__title {
  font-family: var(--ws-font-display);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.02;
  font-size: clamp(38px, 10vw, 86px);
  margin: 12px 0 0;
}

.page-about .about-hero__stats {
  list-style: none;
  margin: clamp(22px, 3.5vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(128px, 1fr));
  gap: 1px;
  background: var(--ws-edge);
  border: 1px solid var(--ws-edge);
}

.page-about .about-hero__stat {
  background: rgba(18, 30, 26, 0.72);
  padding: 14px 16px 16px;
}

.page-about .about-hero__stat .ws-stat__value {
  display: block;
  font-family: var(--ws-font-num);
  font-size: clamp(19px, 2.6vw, 26px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ws-text);
}

.page-about .about-hero__stat .ws-stat__label {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ws-muted);
}

.page-about .about-hero__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--ws-edge);
  background: var(--ws-ink-2);
  overflow: hidden;
  min-height: 200px;
}

.page-about .about-hero__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.06);
}

.page-about .about-hero__plate {
  position: absolute;
  top: 14px;
  right: 14px;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-family: var(--ws-font-num);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--ws-gold);
  background: rgba(7, 11, 10, 0.74);
  border: 1px solid var(--ws-edge);
  padding: 10px 6px;
  opacity: 0.85;
}

/* ---------- 档案长卷：左索引 + 右章节 ---------- */

.page-about .about-ledger__grid {
  display: grid;
  gap: var(--about-gap);
  align-items: start;
}

.page-about .about-index {
  border: 1px solid var(--ws-edge);
  background: rgba(18, 30, 26, 0.5);
  padding: 16px 14px 18px;
}

.page-about .about-index__label {
  margin: 0 0 12px;
  font-family: var(--ws-font-num);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--ws-gold);
}

.page-about .about-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-about .about-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  border-left: 1px solid var(--ws-line);
  color: var(--ws-muted);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  transition: color 0.2s var(--ws-ease), border-color 0.2s var(--ws-ease), background-color 0.2s var(--ws-ease);
}

.page-about .about-index__list a:hover,
.page-about .about-index__list a:focus-visible {
  color: var(--ws-cyan);
  border-left-color: var(--ws-cyan);
  background: rgba(57, 208, 216, 0.07);
  outline: none;
}

.page-about .about-index__num {
  font-family: var(--ws-font-num);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ws-gold);
  flex: 0 0 auto;
}

.page-about .about-index__note {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--ws-line);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ws-muted);
  opacity: 0.85;
}

.page-about .about-chapters {
  display: grid;
  gap: clamp(42px, 7vw, 96px);
  min-width: 0;
}

.page-about .about-chapter {
  min-width: 0;
  scroll-margin-top: 100px;
  border-top: 1px solid var(--ws-edge);
  padding-top: clamp(18px, 2.6vw, 30px);
}

.page-about .about-chapter__head {
  display: flex;
  align-items: baseline;
  gap: clamp(10px, 2vw, 20px);
  margin-bottom: clamp(14px, 2vw, 22px);
}

.page-about .about-chapter__num {
  flex: 0 0 auto;
  font-family: var(--ws-font-num);
  font-size: clamp(24px, 4.4vw, 44px);
  font-weight: 700;
  line-height: 0.92;
  color: var(--ws-gold);
  opacity: 0.72;
}

.page-about .about-chapter__title {
  margin: 0;
  font-family: var(--ws-font-display);
  font-weight: 700;
  font-size: clamp(21px, 3.2vw, 33px);
  line-height: 1.25;
  letter-spacing: 0.01em;
  color: var(--ws-text);
}

.page-about .about-chapter__body {
  max-width: 68ch;
}

.page-about .about-chapter__body p {
  margin: 0;
  color: rgba(242, 246, 241, 0.86);
  line-height: 1.85;
}

.page-about .about-chapter__body p + p {
  margin-top: 1em;
}

.page-about .about-chapter__figure {
  margin: clamp(20px, 3vw, 32px) 0 0;
  border: 1px solid var(--ws-edge);
  background: var(--ws-ink-2);
}

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

/* ---------- 核定五道工序 ---------- */

.page-about .about-flow {
  margin-top: clamp(20px, 3vw, 30px);
  display: grid;
  gap: 6px;
}

.page-about .about-flow__step {
  border: 1px solid var(--ws-edge);
  border-left: 2px solid var(--ws-line);
  background: rgba(14, 26, 22, 0.6);
  transition: border-color 0.2s var(--ws-ease), background-color 0.2s var(--ws-ease);
}

.page-about .about-flow__step:hover,
.page-about .about-flow__step:focus-within {
  border-left-color: var(--ws-magenta);
  background: rgba(14, 26, 22, 0.86);
}

.page-about .about-flow__step .ws-disclosure__btn {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
}

.page-about .about-flow__idx {
  flex: 0 0 auto;
  font-family: var(--ws-font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ws-lime);
}

.page-about .about-flow__name {
  flex: 1 1 auto;
  text-align: left;
  font-family: var(--ws-font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ws-text);
}

.page-about .about-flow__hint {
  flex: 0 0 auto;
  font-family: var(--ws-font-num);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ws-muted);
  opacity: 0.8;
}

.page-about .about-flow__step .ws-disclosure__panel p {
  margin: 0;
  color: rgba(242, 246, 241, 0.8);
  font-size: 14.5px;
  line-height: 1.8;
}

/* ---------- 赛季阶段时间轴 ---------- */

.page-about .about-timeline {
  margin-top: clamp(22px, 3vw, 32px);
  padding-bottom: 8px;
}

.page-about .about-timeline__node {
  flex: 0 0 min(74vw, 268px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 16px 20px;
  border: 1px solid var(--ws-edge);
  border-top: 2px solid var(--ws-gold);
  background: rgba(18, 30, 26, 0.72);
}

.page-about .about-timeline__node:nth-child(even) {
  border-top-color: var(--ws-cyan);
}

.page-about .about-timeline__node:last-child {
  border-top-color: var(--ws-magenta);
}

.page-about .about-timeline__stage {
  margin: 0;
  font-family: var(--ws-font-num);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ws-muted);
}

.page-about .about-timeline__name {
  margin: 0;
  font-family: var(--ws-font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--ws-text);
}

.page-about .about-timeline__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(242, 246, 241, 0.78);
}

.page-about .about-timeline__hint {
  margin: 12px 0 0;
  font-family: var(--ws-font-num);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ws-muted);
  opacity: 0.75;
}

/* ---------- 团队分工 ---------- */

.page-about .about-team {
  margin-top: clamp(22px, 3vw, 32px);
  display: grid;
  gap: clamp(18px, 3vw, 28px);
  align-items: start;
}

.page-about .about-team__figure {
  margin: 0;
  border: 1px solid var(--ws-edge);
  background: var(--ws-ink-2);
}

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

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

.page-about .about-team__card {
  padding: 16px 16px 18px;
  border: 1px solid var(--ws-edge);
  border-left: 2px solid var(--ws-cyan);
  background: rgba(18, 30, 26, 0.66);
}

.page-about .about-team__card:nth-child(2) {
  border-left-color: var(--ws-lime);
}

.page-about .about-team__card:nth-child(3) {
  border-left-color: var(--ws-gold);
}

.page-about .about-team__card:nth-child(4) {
  border-left-color: var(--ws-magenta);
}

.page-about .about-team__name {
  margin: 0 0 8px;
  font-family: var(--ws-font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--ws-text);
}

.page-about .about-team__card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(242, 246, 241, 0.78);
}

.page-about .about-cadence {
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 4px 0 4px 16px;
  border-left: 2px solid var(--ws-gold);
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ws-muted);
}

/* ---------- 继续查阅 ---------- */

.page-about .about-next__grid {
  display: grid;
  gap: clamp(20px, 3vw, 48px);
  align-items: center;
}

.page-about .about-next__title {
  margin: 10px 0 12px;
  font-family: var(--ws-font-display);
  font-size: clamp(22px, 3.4vw, 34px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ws-text);
}

.page-about .about-next__text {
  margin: 0;
  max-width: 56ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ws-muted);
}

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

.page-about .about-next__links a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--ws-edge);
  background: rgba(7, 11, 10, 0.55);
  color: var(--ws-text);
  text-decoration: none;
  font-size: 15px;
  transition: border-color 0.2s var(--ws-ease), color 0.2s var(--ws-ease), transform 0.2s var(--ws-ease);
}

.page-about .about-next__links a::before {
  content: "→";
  font-family: var(--ws-font-num);
  font-size: 13px;
  color: var(--ws-gold);
}

.page-about .about-next__links a:hover,
.page-about .about-next__links a:focus-visible {
  border-color: var(--ws-cyan);
  color: var(--ws-cyan);
  transform: translateX(3px);
  outline: none;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-about .about-team__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: stretch;
  }

  .page-about .about-hero__figure {
    min-height: 100%;
  }
}

@media (min-width: 960px) {
  .page-about .about-ledger__grid {
    grid-template-columns: minmax(0, var(--about-rail)) minmax(0, 1fr);
    gap: clamp(34px, 5vw, 84px);
  }

  .page-about .about-index {
    position: sticky;
    top: 96px;
  }

  .page-about .about-team {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  }
}

@media (min-width: 1000px) {
  .page-about .about-next__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

@media (max-width: 560px) {
  .page-about .about-flow__hint {
    display: none;
  }

  .page-about .about-chapter__head {
    flex-direction: column;
    gap: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-index__list a,
  .page-about .about-flow__step,
  .page-about .about-next__links a {
    transition: none;
  }

  .page-about .about-next__links a:hover,
  .page-about .about-next__links a:focus-visible {
    transform: none;
  }
}