.page-about {
  --about-rail-w: 8.5rem;
  --about-gap: clamp(1.75rem, 4vw, 4.5rem);
  --about-line: rgba(216, 219, 225, 0.14);
  --about-text: rgba(245, 246, 248, 0.78);
  background: var(--ink);
  color: var(--ice);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: clamp(30rem, 78vh, 46rem);
  padding: clamp(6rem, 16vh, 9rem) 0 clamp(2.5rem, 6vw, 4.5rem);
  overflow: hidden;
}

.page-about .about-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-about .about-hero__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(11, 11, 15, 0.6) 0%, rgba(11, 11, 15, 0.78) 48%, rgba(11, 11, 15, 0.97) 100%),
    radial-gradient(120% 80% at 12% 88%, rgba(200, 16, 46, 0.28) 0%, rgba(11, 11, 15, 0) 62%),
    radial-gradient(90% 70% at 92% 12%, rgba(29, 111, 184, 0.3) 0%, rgba(11, 11, 15, 0) 60%);
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 2;
  width: 100%;
}

.page-about .about-hero__crumb {
  margin-bottom: clamp(2rem, 6vw, 3.5rem);
}

.page-about .about-hero .breadcrumb__link {
  color: rgba(245, 246, 248, 0.7);
  text-decoration: none;
}

.page-about .about-hero .breadcrumb__link:hover {
  color: var(--gold);
}

.page-about .about-hero .breadcrumb__sep {
  color: rgba(245, 246, 248, 0.35);
}

.page-about .about-hero .breadcrumb__item[aria-current="page"] {
  color: var(--paper);
}

.page-about .about-hero__eyebrow {
  margin: 0 0 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-about .about-hero__title {
  margin: 0 0 1.35rem;
  font-size: clamp(2.4rem, 8vw, 6rem);
  font-weight: 200;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-about .about-hero__strong {
  font-weight: 900;
  letter-spacing: -0.03em;
  background: linear-gradient(96deg, var(--paper) 0%, var(--paper) 52%, var(--gold) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-about .about-hero__lead {
  max-width: 44rem;
  margin: 0 0 2.5rem;
  font-size: clamp(1rem, 1.5vw, 1.14rem);
  line-height: 1.82;
  color: rgba(245, 246, 248, 0.84);
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem 1.25rem;
  margin: 0;
  padding: 1.5rem 0 0;
  border-top: 1px solid rgba(232, 179, 60, 0.26);
  list-style: none;
}

.page-about .about-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.45rem, 3.4vw, 2.15rem);
  line-height: 1;
  color: var(--paper);
  text-shadow: 0 0 24px rgba(232, 179, 60, 0.32);
}

.page-about .about-stat__label {
  display: block;
  margin-top: 0.45rem;
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--gray-idx);
}

/* ---------- 主体骨架 ---------- */
.page-about .about-main {
  padding: clamp(2.5rem, 6vw, 5rem) 0 clamp(3rem, 8vw, 6rem);
  background: var(--ink);
}

.page-about .about-main__grid {
  display: grid;
  gap: 0;
}

.page-about .about-flow > * + * {
  margin-top: clamp(3rem, 6vw, 5rem);
}

/* ---------- 左侧索引 ---------- */
.page-about .about-rail {
  position: relative;
  margin-bottom: 2.25rem;
}

.page-about .about-rail__title {
  margin: 0 0 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gray-idx);
}

.page-about .about-rail__list {
  display: flex;
  gap: 0.5rem;
  margin: 0;
  padding: 0 0 0.5rem;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

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

.page-about .about-rail__link {
  display: flex;
  flex: 0 0 auto;
  align-items: baseline;
  gap: 0.45rem;
  padding: 0.5rem 0.85rem;
  border: 1px solid rgba(216, 219, 225, 0.18);
  border-radius: 999px;
  color: inherit;
  text-decoration: none;
  transition: border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-about .about-rail__link:hover,
.page-about .about-rail__link:focus-visible {
  border-color: rgba(232, 179, 60, 0.6);
  background: rgba(232, 179, 60, 0.08);
}

.page-about .about-rail__num {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--gold);
}

.page-about .about-rail__label {
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--gray-idx);
}

/* ---------- 章节 ---------- */
.page-about .about-block__head {
  padding-top: clamp(1.5rem, 3vw, 2.25rem);
  border-top: 1px solid var(--about-line);
  margin-bottom: 1.75rem;
}

.page-about .about-block__no {
  display: block;
  margin-bottom: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--red);
}

.page-about .about-block__title {
  margin: 0;
  font-size: clamp(1.5rem, 4vw, 2.55rem);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-about .about-prose p {
  max-width: 42rem;
  margin: 0 0 1.15rem;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--about-text);
}

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

.page-about .about-block:first-child .about-prose > p:first-child {
  max-width: 46rem;
  font-size: clamp(1.06rem, 1.9vw, 1.28rem);
  line-height: 1.72;
  color: rgba(245, 246, 248, 0.94);
}

/* ---------- 赛季刻度轴 ---------- */
.page-about .about-axis {
  margin: 0 0 2rem;
}

.page-about .about-axis__cap {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gray-idx);
}

.page-about .about-axis__scroll {
  overflow-x: auto;
  padding-bottom: 0.5rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-about .about-axis__svg {
  display: block;
  width: 100%;
  min-width: 720px;
  height: auto;
}

.page-about .about-axis__base {
  stroke: rgba(216, 219, 225, 0.24);
  stroke-width: 2;
}

.page-about .about-axis__fill {
  stroke: var(--red);
  stroke-width: 2;
}

.page-about .about-axis__dot {
  fill: var(--ink);
  stroke: var(--gold);
  stroke-width: 3;
}

.page-about .about-axis__year {
  fill: var(--paper);
  font-family: var(--font-mono);
  font-size: 17px;
  text-anchor: middle;
}

.page-about .about-axis__note {
  fill: var(--gray-idx);
  font-size: 14px;
  letter-spacing: 0.04em;
  text-anchor: middle;
}

/* ---------- 整幅打断 ---------- */
.page-about .about-break {
  position: relative;
  margin: 0;
  border-radius: var(--r-organic);
  overflow: hidden;
  isolation: isolate;
}

.page-about .about-break__img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.page-about .about-break__veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 11, 15, 0.1) 0%, rgba(11, 11, 15, 0.5) 46%, rgba(11, 11, 15, 0.9) 100%);
}

.page-about .about-break__text {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  max-width: 44rem;
  margin: 0;
  padding: clamp(1.25rem, 4vw, 2.5rem);
  font-size: clamp(1rem, 2.2vw, 1.35rem);
  line-height: 1.62;
  color: var(--paper);
}

/* ---------- 编辑部 ---------- */
.page-about .about-newsroom {
  display: grid;
  gap: 1.75rem;
}

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

.page-about .about-newsroom__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-organic);
  outline: 1px solid rgba(216, 219, 225, 0.16);
  outline-offset: -1px;
}

.page-about .about-newsroom__figure figcaption {
  margin-top: 0.8rem;
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--gray-idx);
}

/* ---------- 合作呼应 ---------- */
.page-about .about-callout {
  margin-top: 1.75rem;
  padding: 1.25rem 1.4rem;
  border-left: 3px solid var(--hai-light);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  background: linear-gradient(90deg, rgba(29, 111, 184, 0.24) 0%, rgba(29, 111, 184, 0.04) 100%);
}

.page-about .about-callout__text {
  margin: 0;
  max-width: 42rem;
  font-size: 0.95rem;
  line-height: 1.78;
  color: rgba(245, 246, 248, 0.86);
}

.page-about .about-callout__link {
  color: var(--hai-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .about-callout__link:hover {
  color: var(--gold);
}

/* ---------- 两条长期取舍 ---------- */
.page-about .about-tenets {
  display: grid;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-tenet {
  padding: 1.4rem 1.4rem 1.6rem;
  border-radius: var(--r-organic);
  border-left: 3px solid var(--red);
  background: linear-gradient(160deg, var(--char) 0%, rgba(22, 23, 28, 0.6) 100%);
}

.page-about .about-tenet__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-about .about-tenet__title {
  margin: 0.7rem 0 0.6rem;
  font-size: 1.18rem;
  font-weight: 800;
  color: var(--paper);
}

.page-about .about-tenet__text {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.82;
  color: rgba(245, 246, 248, 0.74);
}

/* ---------- 收尾 ---------- */
.page-about .about-next {
  padding: clamp(3rem, 7vw, 5rem) 0;
  background: var(--ice);
  color: var(--ink);
}

.page-about .about-next__title {
  margin: 0 0 1.75rem;
  font-size: clamp(1.4rem, 3.2vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-about .about-next__list {
  display: grid;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-next__item {
  padding-top: 1rem;
  border-top: 2px solid var(--red);
}

.page-about .about-next__link {
  display: inline-block;
  margin-bottom: 0.55rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  transition: color 0.25s var(--ease);
}

.page-about .about-next__link:hover,
.page-about .about-next__link:focus-visible {
  color: var(--red);
}

.page-about .about-next__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--ink-soft);
}

/* ---------- 窄屏 ---------- */
@media (max-width: 599px) {
  .page-about .about-break__img {
    aspect-ratio: 4 / 3;
  }

  .page-about .about-break__text {
    font-size: 0.95rem;
  }
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 760px) {
  .page-about .about-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.5rem;
  }

  .page-about .about-break__img {
    aspect-ratio: 2 / 1;
  }

  .page-about .about-next__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2rem;
  }
}

@media (min-width: 900px) {
  .page-about .about-newsroom {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 2.5rem;
    align-items: start;
  }

  .page-about .about-tenets {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.75rem;
  }
}

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

  .page-about .about-rail {
    position: sticky;
    top: calc(var(--header-h) + 2rem);
    align-self: start;
    margin-bottom: 0;
  }

  .page-about .about-rail__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding: 0;
    border-left: 1px solid rgba(216, 219, 225, 0.18);
  }

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

  .page-about .about-rail__link {
    position: relative;
    padding: 0.5rem 0 0.5rem 0.9rem;
    border: 0;
    border-radius: 0;
    background: none;
  }

  .page-about .about-rail__link::before {
    content: "";
    position: absolute;
    left: -1px;
    top: 0.42rem;
    bottom: 0.42rem;
    width: 2px;
    background: transparent;
    transition: background-color 0.25s var(--ease);
  }

  .page-about .about-rail__link:hover,
  .page-about .about-rail__link:focus-visible {
    border-color: transparent;
    background: none;
  }

  .page-about .about-rail__link:hover::before,
  .page-about .about-rail__link:focus-visible::before {
    background: var(--gold);
  }
}
<<<END>>>
