.page-about {
  overflow-x: hidden;
  background: var(--ink-900);
  color: var(--paper);
}

.page-about .breadcrumb {
  padding: 24px 0 0;
}

/* ---------- HERO ---------- */

.page-about .about-hero {
  padding: 24px 0 0;
}

.page-about .about-hero__frame {
  position: relative;
  border: 1px solid var(--cyan-line);
  border-radius: var(--radius-lg);
  padding: 56px 20px 40px;
  background:
    radial-gradient(120% 80% at 100% 0%, rgba(111, 247, 208, 0.10), transparent 62%),
    radial-gradient(80% 100% at 0% 100%, rgba(16, 71, 58, 0.55), transparent 70%),
    linear-gradient(180deg, var(--ink-800), var(--ink-900));
  overflow: hidden;
}

.page-about .about-hero__corner {
  position: absolute;
  width: 20px;
  height: 20px;
  pointer-events: none;
}

.page-about .about-hero__corner--tl {
  top: 10px;
  left: 10px;
  border-top: 2px solid var(--cyan);
  border-left: 2px solid var(--cyan);
}

.page-about .about-hero__corner--tr {
  top: 10px;
  right: 10px;
  border-top: 2px solid var(--cyan);
  border-right: 2px solid var(--cyan);
}

.page-about .about-hero__corner--bl {
  bottom: 10px;
  left: 10px;
  border-bottom: 2px solid var(--cyan);
  border-left: 2px solid var(--cyan);
}

.page-about .about-hero__corner--br {
  bottom: 10px;
  right: 10px;
  border-bottom: 2px solid var(--cyan);
  border-right: 2px solid var(--cyan);
}

.page-about .about-hero__latin {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mist);
  margin: 0 0 24px;
}

.page-about .about-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 8vw, 4.6rem);
  line-height: 1.05;
  letter-spacing: -0.015em;
  color: var(--paper);
  margin: 0 0 24px;
}

.page-about .about-hero__lead {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.8;
  color: var(--paper-soft);
  max-width: 60ch;
  margin: 0 0 36px;
}

.page-about .about-hero__meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  list-style: none;
  padding: 20px 0 0;
  margin: 0;
  border-top: 1px solid var(--cyan-line);
}

.page-about .about-hero__meta li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-about .about-hero__meta .mono {
  font-size: clamp(22px, 6vw, 32px);
  color: var(--cyan);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.page-about .about-hero__meta li span:last-child {
  font-size: 12px;
  color: var(--mist);
  letter-spacing: 0.08em;
}

/* ---------- 01 ---------- */

.page-about .about-ch01__body {
  align-items: center;
}

.page-about .about-ch01__p,
.page-about .about-ch05__p {
  font-size: 17px;
  line-height: 1.8;
  color: var(--paper-soft);
  margin: 0 0 20px;
  max-width: 62ch;
}

.page-about .about-ch01__figure {
  margin: 32px 0 0;
}

/* ---------- 时间轴 ---------- */

.page-about .about-timeline-band {
  margin-top: 96px;
  padding: 40px 0 24px;
  border-top: 1px solid var(--ink-700);
  border-bottom: 1px solid var(--ink-700);
  background:
    linear-gradient(180deg, var(--ink-800), var(--ink-900));
}

.page-about .about-timeline {
  margin-top: 24px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--cyan-line) transparent;
  outline-offset: 4px;
}

.page-about .about-timeline::-webkit-scrollbar {
  height: 6px;
}

.page-about .about-timeline::-webkit-scrollbar-thumb {
  background: var(--cyan-line);
  border-radius: 3px;
}

.page-about .about-timeline__track {
  display: flex;
  gap: 16px;
  margin: 0;
  padding: 20px 20px 28px;
  list-style: none;
  min-width: max-content;
}

.page-about .about-timeline__item {
  position: relative;
  flex: 0 0 220px;
  padding: 24px 20px;
  background: linear-gradient(180deg, rgba(16, 71, 58, 0.55), rgba(11, 47, 38, 0.3));
  border: 1px solid var(--cyan-line);
  border-radius: var(--radius-md);
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 24px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(111, 247, 208, 0.7);
}

.page-about .about-timeline__season {
  display: block;
  font-size: 22px;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.01em;
  margin-bottom: 4px;
}

.page-about .about-timeline__ver {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--mist);
  margin-bottom: 12px;
}

.page-about .about-timeline__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper-soft);
  margin: 0;
}

/* ---------- 02 ---------- */

.page-about .about-ch02__head {
  margin-bottom: 32px;
}

.page-about .about-ch02__body {
  align-items: center;
  gap: 32px;
}

.page-about .about-ch02__list p {
  font-size: 17px;
  line-height: 1.8;
  color: var(--paper-soft);
  margin: 0 0 20px;
}

.page-about .about-ch02__leagues {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.page-about .about-ch02__ring {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 220px;
  height: 220px;
  margin: 8px auto 0;
}

.page-about .about-ch02__ring svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.page-about .about-ch02__ring figcaption {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.page-about .about-ch02__ring-num {
  font-size: 28px;
  font-weight: 600;
  color: var(--paper);
  letter-spacing: 0.02em;
}

.page-about .about-ch02__ring-label {
  font-size: 11px;
  line-height: 1.5;
  color: var(--mist);
  text-align: center;
  letter-spacing: 0.08em;
}

/* ---------- 03 ---------- */

.page-about .about-ch03__head {
  margin-bottom: 32px;
}

.page-about .about-ch03__body {
  align-items: start;
  gap: 32px;
  margin-bottom: 40px;
}

.page-about .about-ch03__body-text p {
  font-size: 17px;
  line-height: 1.8;
  color: var(--paper-soft);
  margin: 0 0 20px;
}

.page-about .about-ch03__stats {
  padding: 24px;
  border-radius: var(--radius-md);
  background: var(--ink-800);
  border: 1px solid var(--cyan-line);
}

.page-about .about-ch03__stats-latin {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mist);
  margin: 0 0 16px;
}

.page-about .about-ch03__stats ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-ch03__stats li {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--ink-700);
}

.page-about .about-ch03__stats li:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.page-about .about-ch03__big {
  font-size: 28px;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-about .about-ch03__stats li span:last-child {
  font-size: 13px;
  color: var(--mist);
}

.page-about .about-ch03__figure {
  margin: 0;
}

/* ---------- 04 ---------- */

.page-about .about-ch04__lead {
  font-size: 17px;
  line-height: 1.8;
  color: var(--paper-soft);
  max-width: 68ch;
  margin: 0 0 32px;
}

.page-about .about-ch04__cards {
  display: grid;
  gap: 16px;
  margin-bottom: 32px;
}

.page-about .about-ch04__card {
  display: block;
  padding: 24px;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(16, 71, 58, 0.5), rgba(11, 47, 38, 0.28));
  border: 1px solid var(--cyan-line);
  color: inherit;
  text-decoration: none;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-about .about-ch04__card:hover,
.page-about .about-ch04__card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--cyan);
}

.page-about .about-ch04__card-latin {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mist);
  margin-bottom: 8px;
}

.page-about .about-ch04__card-title {
  display: block;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--paper);
  margin-bottom: 8px;
}

.page-about .about-ch04__card-desc {
  display: block;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper-soft);
}

.page-about .about-ch04__foot {
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
  border-left: 2px solid var(--cyan);
  padding-left: 16px;
  margin: 0;
}

/* ---------- 05 ---------- */

.page-about .about-ch05__body {
  display: grid;
  gap: 32px;
  align-items: center;
}

.page-about .about-ch05__figure {
  margin: 0;
}

/* ---------- 引文 ---------- */

.page-about .about-quote {
  padding: 96px 0;
}

.page-about .about-quote__block {
  margin: 0;
  padding: 48px 20px;
  border-top: 1px solid var(--cyan-line);
  border-bottom: 1px solid var(--cyan-line);
  background: radial-gradient(80% 100% at 50% 50%, rgba(111, 247, 208, 0.07), transparent 72%);
}

.page-about .about-quote__text {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 5.4vw, 3rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--paper);
  margin: 0;
  text-align: center;
}

/* ---------- 06 ---------- */

.page-about .about-ch06__body {
  align-items: start;
  gap: 32px;
}

.page-about .about-ch06__body p {
  font-size: 17px;
  line-height: 1.8;
  color: var(--paper-soft);
  margin: 0 0 20px;
}

.page-about .about-ch06__list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-ch06__list li {
  padding: 16px 20px;
  background: var(--ink-800);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--cyan);
}

.page-about .about-ch06__list .mono {
  display: block;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 6px;
}

.page-about .about-ch06__list p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper-soft);
  margin: 0;
}

/* ---------- CTA ---------- */

.page-about .about-cta {
  padding: 8px 0 96px;
}

.page-about .about-cta__inner {
  padding: 48px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--cyan-line);
  background: linear-gradient(160deg, var(--ink-800), var(--ink-900));
  text-align: center;
}

.page-about .about-cta__title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  font-weight: 800;
  color: var(--paper);
  margin: 0 0 16px;
  letter-spacing: -0.01em;
}

.page-about .about-cta__text {
  font-size: 16px;
  line-height: 1.8;
  color: var(--paper-soft);
  max-width: 60ch;
  margin: 0 auto 32px;
}

.page-about .about-cta__buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 768px) {
  .page-about .about-hero {
    padding: 40px 0 0;
  }

  .page-about .about-hero__frame {
    padding: 80px 48px 56px;
  }

  .page-about .about-hero__lead {
    font-size: 18px;
  }

  .page-about .about-ch01__figure {
    margin: 0;
  }

  .page-about .about-ch04__cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .about-quote__block {
    padding: 64px 48px;
  }

  .page-about .about-cta__inner {
    padding: 64px 48px;
  }

  .page-about .about-timeline__track {
    padding-left: 32px;
    padding-right: 32px;
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero__frame {
    padding: 96px 72px 64px;
  }

  .page-about .about-ch05__body {
    grid-template-columns: 5fr 7fr;
  }

  .page-about .about-ch04__card {
    padding: 32px 28px;
  }

  .page-about .about-timeline__track {
    gap: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-ch04__card {
    transition: none;
  }
}
<<<END>>>