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

.page-about {
  --about-rail-w: 178px;
  display: block;
  background-color: var(--c-night);
  color: var(--c-paper);
  font-family: var(--font);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */

.page-about .about-hero {
  position: relative;
  padding-top: var(--sp5);
  padding-bottom: var(--sp5);
  background:
    radial-gradient(110% 82% at 88% -8%, rgba(217, 164, 65, 0.20), transparent 62%),
    radial-gradient(90% 70% at -6% 106%, rgba(69, 227, 210, 0.09), transparent 60%),
    linear-gradient(180deg, var(--c-ink) 0%, var(--c-night) 80%);
  border-bottom: 1px solid var(--c-line-soft);
  overflow: hidden;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(90deg, rgba(245, 240, 230, 0.032) 0 44px, transparent 44px 88px);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.75), transparent 85%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.75), transparent 85%);
}

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

.page-about .about-hero__kicker {
  margin: var(--sp4) 0 var(--sp2);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--c-gold);
}

.page-about .about-hero__title {
  margin: 0;
  max-width: 22em;
  font-size: clamp(28px, 6.4vw, 54px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--c-paper);
}

.page-about .about-hero__lede {
  margin: var(--sp3) 0 0;
  max-width: 44em;
  font-size: 16px;
  line-height: 1.9;
  color: var(--c-paper-86);
}

.page-about .about-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp3) var(--sp2);
  margin: var(--sp5) 0 0;
  padding-top: var(--sp4);
  border-top: 1px solid var(--c-line-soft);
}

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

.page-about .about-fact__label {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-dim);
  order: 2;
}

.page-about .about-fact__num {
  order: 1;
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(32px, 7vw, 40px);
  font-weight: 700;
  line-height: 1;
  color: var(--c-gold);
}

.page-about .about-fact__num span {
  margin-left: 6px;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 400;
  color: var(--c-paper-70);
}

/* ---------- 主布局：左季节刻度 + 右内容 ---------- */

.page-about .about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp5);
  padding-top: var(--sp5);
  padding-bottom: var(--sp6);
}

.page-about .about-main {
  display: flex;
  flex-direction: column;
  gap: var(--sp5);
  min-width: 0;
}

/* ---------- 赛季刻度轴 ---------- */

.page-about .about-rail {
  position: relative;
  min-width: 0;
}

.page-about .about-rail__cap {
  margin: 0 0 var(--sp2);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--c-dim);
}

.page-about .about-rail__list {
  display: flex;
  gap: var(--sp3);
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.page-about .about-rail__list::-webkit-scrollbar {
  display: none;
}

.page-about .rail-tick {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.page-about .rail-tick__dot {
  flex: none;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 1px solid var(--c-line);
  background: var(--c-ink);
  transition: background-color var(--dur) ease, border-color var(--dur) ease;
}

.page-about .rail-tick__link {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-size: 12px;
  line-height: 1.2;
  color: var(--c-dim);
  text-decoration: none;
  transition: color var(--dur) ease;
}

.page-about .rail-tick__num {
  font-family: var(--font-num);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--c-paper-70);
  transition: color var(--dur) ease;
}

.page-about .rail-tick:hover .rail-tick__link,
.page-about .rail-tick__link:focus-visible {
  color: var(--c-paper);
}

.page-about .rail-tick:hover .rail-tick__dot {
  border-color: var(--c-paper-70);
}

.page-about .rail-tick.is-now .rail-tick__dot {
  background: var(--c-gold);
  border-color: var(--c-gold);
  box-shadow: 0 0 0 4px rgba(217, 164, 65, 0.16);
}

.page-about .rail-tick.is-now .rail-tick__link,
.page-about .rail-tick.is-now .rail-tick__num {
  color: var(--c-gold);
}

/* ---------- 通用章节 ---------- */

.page-about .about-sec {
  position: relative;
  min-width: 0;
  scroll-margin-top: 140px;
}

.page-about .about-sec + .about-sec {
  padding-top: var(--sp5);
  border-top: 1px solid var(--c-line-soft);
}

.page-about .about-tag {
  display: inline-block;
  padding: 3px 10px 4px;
  background: var(--c-paper);
  color: var(--c-ink);
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  border: 1px solid var(--c-ink);
  box-shadow: 2px 2px 0 rgba(7, 20, 16, 0.6);
}

.page-about .about-sec__title {
  margin: var(--sp3) 0 0;
  max-width: 24em;
  font-size: clamp(21px, 3.6vw, 33px);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.005em;
  color: var(--c-paper);
}

.page-about .about-sec__lede {
  margin: var(--sp2) 0 0;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-paper-70);
}

.page-about .about-prose {
  margin-top: var(--sp3);
  max-width: 44em;
}

.page-about .about-prose p {
  margin: 0 0 var(--sp3);
  font-size: 16px;
  line-height: 1.9;
  color: var(--c-paper-86);
}

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

/* 由来：三条标记 */

.page-about .about-marks {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: var(--sp4) 0 0;
  padding: 0;
  list-style: none;
  background: var(--c-line-soft);
  border: 1px solid var(--c-line-soft);
}

.page-about .about-marks li {
  padding: var(--sp3);
  background: var(--c-night);
}

.page-about .about-marks strong {
  display: block;
  margin-bottom: 6px;
  font-size: 15px;
  font-weight: 800;
  color: var(--c-gold);
}

.page-about .about-marks span {
  display: block;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-paper-70);
}

/* ---------- 四栏内容 Bento ---------- */

.page-about .about-bento {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp2);
  margin-top: var(--sp4);
}

.page-about .about-cell {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
  padding: var(--sp3);
  background: var(--c-moss);
  border: 1px solid var(--c-line-soft);
  overflow: hidden;
}

.page-about .about-cell::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--c-dim);
}

.page-about .about-cell--cyan::before { background: var(--c-cyan); }
.page-about .about-cell--coral::before { background: var(--c-coral); }
.page-about .about-cell--gold::before { background: var(--c-gold); }
.page-about .about-cell--clay::before { background: var(--c-clay); }

.page-about .about-cell__idx {
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--c-dim);
}

.page-about .about-cell h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.42;
  color: var(--c-paper);
}

.page-about .about-cell p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--c-paper-70);
}

.page-about .about-cell__link {
  margin-top: auto;
  padding-top: var(--sp2);
  align-self: flex-start;
  font-size: 14px;
  font-weight: 700;
  color: var(--c-paper);
  text-decoration: none;
  border-bottom: 1px solid rgba(245, 240, 230, 0.35);
  transition: color var(--dur) ease, border-color var(--dur) ease;
}

.page-about .about-cell__link:hover,
.page-about .about-cell__link:focus-visible {
  color: var(--c-gold);
  border-bottom-color: var(--c-gold);
}

/* ---------- 团队 ---------- */

.page-about .about-team {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp4);
  margin-top: var(--sp4);
}

.page-about .about-team__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp3);
  min-width: 0;
}

.page-about .role {
  padding: var(--sp3);
  background: var(--c-moss);
  border: 1px solid var(--c-line-soft);
  border-top: 2px solid var(--c-cyan);
  min-width: 0;
}

.page-about .role--gold { border-top-color: var(--c-gold); }
.page-about .role--clay { border-top-color: var(--c-clay); }
.page-about .role--paper { border-top-color: var(--c-paper-70); }

.page-about .role__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  font-family: var(--font-num);
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  color: var(--c-cyan);
  border: 1px solid rgba(69, 227, 210, 0.45);
  background: radial-gradient(circle, rgba(69, 227, 210, 0.18), transparent 72%);
}

.page-about .role--gold .role__num {
  color: var(--c-gold);
  border-color: rgba(217, 164, 65, 0.5);
  background: radial-gradient(circle, rgba(217, 164, 65, 0.2), transparent 72%);
}

.page-about .role--clay .role__num {
  color: var(--c-clay);
  border-color: rgba(185, 106, 75, 0.55);
  background: radial-gradient(circle, rgba(185, 106, 75, 0.24), transparent 72%);
}

.page-about .role--paper .role__num {
  color: var(--c-paper);
  border-color: rgba(245, 240, 230, 0.42);
  background: radial-gradient(circle, rgba(245, 240, 230, 0.14), transparent 72%);
}

.page-about .role__name {
  margin: var(--sp2) 0 6px;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.45;
  color: var(--c-paper);
}

.page-about .role__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-paper-70);
}

.page-about .about-team__media,
.page-about .about-fans__media,
.page-about .about-stages__media {
  margin: 0;
  min-width: 0;
}

.page-about .about-note {
  position: relative;
  margin: var(--sp4) 0 0;
  padding: var(--sp3) var(--sp3) var(--sp3) calc(var(--sp3) + 8px);
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-paper-70);
  background: rgba(43, 51, 48, 0.55);
  border-left: 2px solid var(--c-gold);
}

/* ---------- 赛季演进 ---------- */

.page-about .about-stages {
  margin: var(--sp4) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--c-line-soft);
}

.page-about .stage {
  position: relative;
  padding: var(--sp4) 0 var(--sp4) 22px;
  border-bottom: 1px solid var(--c-line-soft);
  scroll-margin-top: 140px;
}

.page-about .stage::before {
  content: "";
  position: absolute;
  left: 0;
  top: calc(var(--sp4) + 5px);
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-night);
  border: 1px solid var(--c-gold);
}

.page-about .stage::after {
  content: "";
  position: absolute;
  left: 4px;
  top: calc(var(--sp4) + 15px);
  bottom: 0;
  width: 1px;
  background: var(--c-line-soft);
}

.page-about .stage:last-child::after {
  display: none;
}

.page-about .stage__range {
  display: block;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--c-gold);
}

.page-about .stage__title {
  margin: 6px 0 0;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.5;
  color: var(--c-paper);
}

.page-about .about-stages .disclosure {
  margin-top: var(--sp2);
}

.page-about .about-stages .disclosure__inner p {
  margin: 0;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.9;
  color: var(--c-paper-70);
}

.page-about .about-stages__media {
  margin-top: var(--sp4);
}

/* ---------- 球迷组织合作 ---------- */

.page-about .about-fans {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp4);
  margin-top: var(--sp4);
}

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

.page-about .about-fans__text > p {
  margin: 0 0 var(--sp3);
  max-width: 44em;
  font-size: 16px;
  line-height: 1.9;
  color: var(--c-paper-86);
}

.page-about .about-fans__list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: rgba(185, 106, 75, 0.3);
  border: 1px solid rgba(185, 106, 75, 0.34);
}

.page-about .about-fans__list li {
  padding: var(--sp3);
  background: var(--c-night);
}

.page-about .about-fans__list strong {
  display: block;
  margin-bottom: 5px;
  font-size: 15px;
  font-weight: 800;
  color: var(--c-clay);
}

.page-about .about-fans__list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-paper-70);
}

/* ---------- 纠错与联系 ---------- */

.page-about .about-fix {
  margin-top: var(--sp4);
  padding: var(--sp4) var(--sp3);
  background: var(--c-moss);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-gold);
}

.page-about .about-fix > p {
  margin: 0;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.9;
  color: var(--c-paper-86);
}

.page-about .about-fix__actions {
  display: grid;
  gap: var(--sp3);
  margin-top: var(--sp3);
  padding-top: var(--sp3);
  border-top: 1px solid var(--c-line-soft);
}

.page-about .about-fix__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px var(--sp2);
  min-width: 0;
}

.page-about .about-fix__label {
  flex: 1 0 100%;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-dim);
}

.page-about .about-fix__value {
  min-width: 0;
  font-family: var(--font-num);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--c-paper);
  word-break: break-word;
}

.page-about .about-fix__more {
  margin: var(--sp3) 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--c-paper-70);
}

.page-about .about-fix__more a {
  color: var(--c-gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 164, 65, 0.45);
}

.page-about .about-fix__more a:hover,
.page-about .about-fix__more a:focus-visible {
  color: var(--c-paper);
  border-bottom-color: var(--c-paper);
}

/* ---------- 图片兜底 ---------- */

.page-about .media img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ---------- 响应式 ---------- */

@media (min-width: 560px) {
  .page-about .about-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--sp2);
  }

  .page-about .about-marks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-about .about-fix {
    padding: var(--sp4);
  }

  .page-about .about-fix__label {
    flex: 0 0 132px;
  }

  .page-about .about-fix__value {
    font-size: 17px;
  }
}

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

  .page-about .about-cell--lead,
  .page-about .about-cell--tail {
    grid-column: span 2;
  }
}

@media (min-width: 900px) {
  .page-about .about-team {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-about .about-fans {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-about .about-layout {
    grid-template-columns: var(--about-rail-w) minmax(0, 1fr);
    gap: var(--sp6);
  }

  .page-about .about-hero {
    padding-top: var(--sp6);
    padding-bottom: var(--sp5);
  }

  .page-about .about-rail {
    position: sticky;
    top: 128px;
    align-self: start;
    padding-left: 26px;
  }

  .page-about .about-rail::before {
    content: "";
    position: absolute;
    left: 4px;
    top: 30px;
    bottom: 4px;
    width: 1px;
    background: linear-gradient(180deg, var(--c-line) 0%, rgba(217, 164, 65, 0.06) 100%);
  }

  .page-about .about-rail__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-about .rail-tick {
    position: relative;
    padding: 7px 0;
  }

  .page-about .rail-tick__dot {
    position: absolute;
    left: -26px;
    top: 50%;
    transform: translateY(-50%);
  }

  .page-about .about-main {
    gap: var(--sp6);
  }

  .page-about .about-sec + .about-sec {
    padding-top: var(--sp6);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}