.page-about {
  --about-mark-col: 88px;
  --about-line: rgba(42, 90, 71, 0.35);
  background: var(--c-paper);
  color: var(--c-ink);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-about .about-breadcrumb-wrap {
  padding-top: clamp(14px, 2.4vw, 22px);
  padding-bottom: clamp(8px, 1.6vw, 14px);
}

/* ---------- 封面 ---------- */
.page-about .about-cover {
  position: relative;
  background: var(--c-home);
  color: var(--c-paper);
  padding: clamp(34px, 6vw, 72px) 0 clamp(72px, 10vw, 128px);
  overflow: hidden;
}

.page-about .about-cover::before {
  content: "";
  position: absolute;
  top: 0;
  left: -10%;
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200, 241, 53, 0.55), transparent);
  transform: rotate(-6deg);
  transform-origin: left top;
  pointer-events: none;
}

.page-about .about-cover::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: clamp(24px, 4.6vw, 60px);
  background: var(--c-paper);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
  pointer-events: none;
}

.page-about .about-cover__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 5vw, 52px);
  align-items: end;
}

.page-about .about-cover__coord {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  color: var(--c-lime);
  font-size: 12px;
  letter-spacing: 0.2em;
  margin: 0 0 16px;
  height: 84px;
}

.page-about .about-cover__title {
  margin: 0 0 0.38em;
  font-size: clamp(46px, 11vw, 118px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--c-paper);
}

.page-about .about-cover__lead {
  max-width: 36em;
  margin: 0;
  font-size: 17px;
  line-height: 1.85;
  color: rgba(244, 241, 232, 0.84);
}

.page-about .about-cover__meta {
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(200, 241, 53, 0.35);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-gray);
  max-width: 36em;
}

.page-about .about-cover__media {
  margin: 0;
  padding: 8px;
  border: 1px solid var(--c-edge);
  background: rgba(244, 241, 232, 0.06);
}

.page-about .about-cover__media img {
  display: block;
  width: 100%;
  height: clamp(300px, 56vw, 600px);
  object-fit: cover;
  filter: saturate(0.82) contrast(1.06);
}

/* ---------- 索引条 ---------- */
.page-about .about-index {
  background: var(--c-paper);
  border-bottom: 1px solid var(--c-edge);
  padding: clamp(16px, 2.6vw, 26px) 0;
}

.page-about .about-index__hint {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--c-gray);
}

.page-about .about-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
}

.page-about .about-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 4px 0;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--c-ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--speed) ease, color var(--speed) ease;
}

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

.page-about .about-index__num {
  font-size: 12px;
  font-weight: 700;
  color: var(--c-orange);
  font-variant-numeric: tabular-nums;
}

/* ---------- 章节骨架 ---------- */
.page-about .about-section {
  position: relative;
  padding: clamp(48px, 8vw, 100px) 0;
}

.page-about .about-section__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-about .about-mark {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--c-gray);
}

.page-about .about-section__title {
  margin: 0 0 0.6em;
  font-size: clamp(28px, 5.4vw, 46px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

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

.page-about .about-section--tint {
  background: linear-gradient(180deg, rgba(223, 243, 192, 0.42), rgba(244, 241, 232, 0));
}

.page-about .about-section--dark {
  background: var(--c-home);
  color: var(--c-paper);
}

.page-about .about-section--night {
  background: var(--c-night);
  color: var(--c-paper);
}

.page-about .about-section--dark .about-mark,
.page-about .about-section--night .about-mark {
  color: var(--c-lime);
}

.page-about .about-section--dark .about-section__title,
.page-about .about-section--night .about-section__title {
  color: var(--c-paper);
}

.page-about .prose {
  max-width: 36em;
}

.page-about .prose p {
  margin: 0 0 1.05em;
  font-size: 16px;
  line-height: 1.85;
}

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

.page-about .prose--dark p {
  color: rgba(244, 241, 232, 0.84);
}

/* ---------- 印刷引用块 ---------- */
.page-about .about-quote {
  position: relative;
  margin: clamp(22px, 3.4vw, 34px) 0 0;
  padding: clamp(18px, 3vw, 28px) clamp(18px, 3vw, 30px);
  border: 1px solid var(--c-edge);
  border-left: 4px solid var(--c-orange);
  background: rgba(18, 51, 40, 0.05);
  font-size: clamp(17px, 2.4vw, 22px);
  font-weight: 700;
  line-height: 1.65;
  letter-spacing: -0.01em;
  color: var(--c-ink);
  max-width: 34em;
}

/* ---------- 配图 ---------- */
.page-about .about-figure {
  margin: clamp(24px, 4vw, 40px) 0;
  padding: 6px;
  border: 1px solid var(--c-edge);
  background: var(--c-paper);
}

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

/* ---------- 三类球迷 ---------- */
.page-about .about-personas {
  list-style: none;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-about .about-persona {
  padding: clamp(18px, 2.6vw, 24px);
  border: 1px solid var(--c-edge);
  background: var(--c-paper);
  box-shadow: 5px 5px 0 rgba(42, 90, 71, 0.13);
  transition: transform var(--speed) ease, box-shadow var(--speed) ease;
}

.page-about .about-persona:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 rgba(42, 90, 71, 0.18);
}

.page-about .about-persona__idx {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--c-orange);
  font-variant-numeric: tabular-nums;
}

.page-about .about-persona__title {
  margin: 0 0 0.55em;
  font-size: clamp(18px, 2.4vw, 21px);
  font-weight: 900;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.page-about .about-persona__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(13, 17, 20, 0.82);
}

/* ---------- 四条路线 ---------- */
.page-about .about-routes {
  list-style: none;
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding: 0;
  border-top: 1px solid rgba(200, 241, 53, 0.28);
}

.page-about .about-route {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: clamp(18px, 2.8vw, 26px) 0;
  border-bottom: 1px solid rgba(200, 241, 53, 0.18);
}

.page-about .about-route__idx {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--c-lime);
  font-variant-numeric: tabular-nums;
}

.page-about .about-route__title {
  margin: 0;
  font-size: clamp(19px, 2.6vw, 24px);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--c-paper);
}

.page-about .about-route__desc {
  max-width: 36em;
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 241, 232, 0.82);
}

/* ---------- 团队数据 ---------- */
.page-about .about-team {
  list-style: none;
  margin: clamp(24px, 4vw, 38px) 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-about .about-team__stat {
  padding: clamp(16px, 2.4vw, 22px);
  border: 1px solid var(--c-edge);
  background: rgba(223, 243, 192, 0.36);
}

.page-about .about-team__num {
  display: inline-block;
  font-size: clamp(30px, 5vw, 44px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--c-ink);
  font-variant-numeric: tabular-nums;
}

.page-about .about-team__unit {
  margin-left: 4px;
  font-size: 13px;
  font-weight: 700;
  color: var(--c-orange);
}

.page-about .about-team__label {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(13, 17, 20, 0.78);
  max-width: 30em;
}

/* ---------- 赛季时间轴 ---------- */
.page-about .about-log {
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0 0 0 26px;
  position: relative;
}

.page-about .about-log::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--c-lime), rgba(200, 241, 53, 0.12));
}

.page-about .about-log__item {
  position: relative;
  padding: 0 0 clamp(20px, 3vw, 30px);
}

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

.page-about .about-log__dot {
  position: absolute;
  left: -26px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-night);
  border: 2px solid var(--c-lime);
  transition: transform var(--speed) ease, background var(--speed) ease;
}

.page-about .about-log__item:hover .about-log__dot {
  transform: scale(1.35);
  background: var(--c-lime);
}

.page-about .about-log__season {
  margin: 0 0 6px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--c-lime);
  font-variant-numeric: tabular-nums;
}

.page-about .about-log__desc {
  margin: 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 241, 232, 0.82);
}

.page-about .about-figure--log {
  border-color: var(--c-edge);
  background: rgba(244, 241, 232, 0.06);
  margin-top: clamp(28px, 4.4vw, 46px);
}

/* ---------- 规模数据 ---------- */
.page-about .about-scale {
  list-style: none;
  margin: clamp(24px, 3.6vw, 36px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: rgba(200, 241, 53, 0.2);
  border: 1px solid rgba(200, 241, 53, 0.2);
}

.page-about .about-scale__item {
  padding: clamp(16px, 2.4vw, 24px);
  background: var(--c-night);
}

.page-about .about-scale__num {
  display: block;
  font-size: clamp(30px, 5vw, 42px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--c-paper);
  font-variant-numeric: tabular-nums;
}

.page-about .about-scale__suffix {
  margin-left: 3px;
  font-size: 13px;
  font-weight: 700;
  color: var(--c-lime);
}

.page-about .about-scale__label {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(244, 241, 232, 0.72);
}

/* ---------- 下一站 ---------- */
.page-about .about-next {
  margin-top: clamp(26px, 4vw, 40px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-about .about-next__card {
  position: relative;
  display: block;
  padding: clamp(20px, 3vw, 28px) clamp(18px, 2.8vw, 26px) clamp(22px, 3vw, 30px);
  border: 1px solid var(--c-edge);
  background: var(--c-paper);
  text-decoration: none;
  color: var(--c-ink);
  transition: background var(--speed) ease, transform var(--speed) ease;
}

.page-about .about-next__card:hover,
.page-about .about-next__card:focus-visible {
  background: rgba(223, 243, 192, 0.5);
  transform: translateY(-3px);
}

.page-about .about-next__tag {
  display: inline-block;
  margin-bottom: 12px;
  padding: 3px 9px;
  border: 1px solid var(--c-orange);
  border-radius: var(--radius);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-orange);
  font-weight: 700;
}

.page-about .about-next__title {
  display: block;
  font-size: clamp(19px, 2.6vw, 23px);
  font-weight: 900;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}

.page-about .about-next__desc {
  display: block;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(13, 17, 20, 0.76);
  max-width: 28em;
}

.page-about .about-next__arrow {
  position: absolute;
  right: clamp(18px, 2.8vw, 26px);
  bottom: clamp(18px, 2.8vw, 26px);
  font-size: 18px;
  font-weight: 700;
  color: var(--c-orange);
}

.page-about .about-section--next {
  padding-bottom: clamp(56px, 9vw, 110px);
}

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

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

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

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

@media (min-width: 860px) {
  .page-about .about-section__inner {
    grid-template-columns: var(--about-mark-col) minmax(0, 1fr);
    gap: clamp(20px, 3.4vw, 48px);
  }

  .page-about .about-mark {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    justify-self: start;
    padding-top: 6px;
  }

  .page-about .about-route {
    grid-template-columns: 48px minmax(150px, 210px) minmax(0, 1fr);
    gap: 0 22px;
    align-items: baseline;
  }

  .page-about .about-cover__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  }
}

@media (min-width: 1000px) {
  .page-about .about-personas {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-about .about-persona,
  .page-about .about-next__card,
  .page-about .about-log__dot,
  .page-about .about-index__link {
    transition: none;
  }

  .page-about .about-persona:hover,
  .page-about .about-next__card:hover {
    transform: none;
  }

  .page-about .about-log__item:hover .about-log__dot {
    transform: none;
  }
}