.page-about {
  --about-rail-w: 190px;
  --about-gap: clamp(30px, 4.5vw, 60px);
  position: relative;
  display: block;
  padding-top: clamp(92px, 13vh, 150px);
  padding-bottom: clamp(48px, 8vw, 96px);
  color: var(--text);
  background-color: var(--ink-950);
  background-image:
    radial-gradient(720px 440px at 90% 4%, rgba(22, 208, 124, 0.15), transparent 70%),
    radial-gradient(560px 400px at 0% 30%, rgba(255, 91, 46, 0.10), transparent 72%),
    linear-gradient(rgba(79, 209, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79, 209, 255, 0.055) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 72px 72px, 72px 72px;
}

.page-about a:focus-visible,
.page-about button:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding-bottom: clamp(20px, 3vw, 36px);
}

.page-about .about-hero__eyebrow {
  margin: 18px 0 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green);
}

.page-about .about-hero__title {
  margin: 14px 0 0;
  max-width: 18ch;
  font-size: clamp(2.3rem, 6vw, 5.2rem);
  font-weight: 900;
  line-height: 1.03;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-about .about-hero__lead {
  margin: 22px 0 0;
  max-width: 46ch;
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  line-height: 1.78;
  color: var(--text);
}

.page-about .about-status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  margin-top: 30px;
  padding: 14px 0;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-status__item {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-about .about-status__cta {
  margin-left: auto;
  font-size: 13px;
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 194, 75, 0.4);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .about-status__cta:hover {
  color: var(--white);
  border-color: var(--green);
}

.page-about .about-hero__media {
  margin: clamp(28px, 4vw, 44px) 0 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-about .about-hero__media .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-about .about-hero__media .media-frame__caption {
  padding: 10px var(--gutter);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ---------- 年表带 ---------- */
.page-about .about-era {
  padding: clamp(34px, 5vw, 56px) 0 clamp(10px, 2vw, 20px);
}

.page-about .about-era__list {
  position: relative;
  display: grid;
  gap: 22px;
  padding-left: 24px;
  margin: 0;
  list-style: none;
}

.page-about .about-era__list::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--green), rgba(79, 209, 255, 0.35), transparent);
}

.page-about .about-era__item {
  position: relative;
}

.page-about .about-era__item::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 4px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--ink-950);
  border: 2px solid var(--green);
}

.page-about .about-era__mark {
  display: block;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--green);
}

.page-about .about-era__time {
  margin: 4px 0 0;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-about .about-era__text {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text);
}

/* ---------- 主体布局 ---------- */
.page-about .about-body {
  padding-top: clamp(24px, 4vw, 48px);
}

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

.page-about .about-rail {
  display: flex;
  flex-wrap: nowrap;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-rail__label {
  display: none;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.page-about .about-rail .index-rail__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  flex: 0 0 auto;
  padding: 8px 12px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-about .about-rail .index-rail__link .mono {
  color: var(--green);
}

.page-about .about-rail .index-rail__link:hover {
  color: var(--white);
  background-color: var(--ink-800);
}

.page-about .about-rail .index-rail__link[aria-current="true"] {
  color: var(--white);
  border-left-color: var(--green);
  background-color: rgba(22, 208, 124, 0.08);
}

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

.page-about .about-section + .about-section {
  margin-top: clamp(52px, 8vw, 104px);
}

.page-about .about-section .section-head__title {
  color: var(--white);
}

.page-about .about-prose {
  margin-top: 22px;
  max-width: 42ch;
}

.page-about .about-prose p {
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.8;
}

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

/* ---------- 编辑手记 ---------- */
.page-about .about-note {
  margin: clamp(30px, 4vw, 46px) 0 0;
  padding: clamp(20px, 3vw, 30px) clamp(20px, 3vw, 34px);
  background: linear-gradient(120deg, var(--ink-800), var(--ink-900));
  border-left: 3px solid var(--green);
  max-width: 56ch;
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-about .about-note:hover {
  transform: translateX(3px);
}

.page-about .about-note__text {
  margin: 0;
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  line-height: 1.8;
  color: var(--white);
}

.page-about .about-note__meta {
  display: block;
  margin-top: 14px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* ---------- 两条内容线 ---------- */
.page-about .about-team {
  display: grid;
  gap: 1px;
  margin-top: 26px;
  background: var(--line-soft);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-team__col {
  padding: clamp(22px, 3vw, 34px) 0;
  background: var(--ink-950);
}

.page-about .about-team__tag {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--green);
}

.page-about .about-team__col:nth-child(2) .about-team__tag {
  color: var(--amber);
}

.page-about .about-team__title {
  margin: 10px 0 0;
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  font-weight: 800;
  line-height: 1.35;
  color: var(--white);
}

.page-about .about-points {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-about .about-points__item {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}

.page-about .about-points__num {
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-about .about-points__title {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
}

.page-about .about-points__desc {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

.page-about .about-team__media {
  margin: clamp(28px, 4vw, 44px) 0 0;
}

.page-about .about-team__media .media-frame__img,
.page-about .about-shifts__media .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .about-team__media .media-frame__caption,
.page-about .about-shifts__media .media-frame__caption {
  padding: 10px 0 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 一天的节奏 ---------- */
.page-about .about-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.page-about .about-jump__link {
  padding: 7px 14px;
  font-size: 13px;
  color: var(--text);
  text-decoration: none;
  background: var(--ink-800);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  border-left: 2px solid var(--green);
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-about .about-jump__link:hover {
  background: var(--green-deep);
  color: var(--white);
}

.page-about .about-shifts {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-shifts__item {
  padding: 20px 0;
  background: var(--ink-950);
  transition: background-color var(--dur) var(--ease);
}

.page-about .about-shifts__item:target,
.page-about .about-shifts__item:hover {
  background: var(--ink-800);
}

.page-about .about-shifts__time {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-about .about-shifts__title {
  margin: 8px 0 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
}

.page-about .about-shifts__desc {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text);
}

.page-about .about-shifts__media {
  margin: clamp(28px, 4vw, 42px) 0 0;
}

/* ---------- 本季改版 ---------- */
.page-about .about-changes {
  margin-top: 24px;
  border-top: 1px solid var(--line-soft);
}

.page-about .about-change {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px 22px;
  padding: 22px 12px;
  margin: 0 -12px;
  border-bottom: 1px solid var(--line-soft);
  transition: background-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-about .about-change:hover {
  background-color: var(--ink-800);
  transform: translateX(2px);
}

.page-about .about-change__idx {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--green);
}

.page-about .about-change__title {
  margin: 0;
  font-size: clamp(1.05rem, 2vw, 1.32rem);
  font-weight: 800;
  color: var(--white);
}

.page-about .about-change__desc {
  margin: 8px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text);
}

.page-about .about-change__desc a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 209, 255, 0.45);
}

.page-about .about-change__desc a:hover {
  color: var(--white);
  border-color: var(--green);
}

.page-about .about-change__metric {
  margin: 0;
  font-size: 16px;
  letter-spacing: 0.04em;
  color: var(--amber);
}

/* ---------- 谁在看 ---------- */
.page-about .about-readers {
  display: grid;
  gap: 18px;
  margin-top: 26px;
}

.page-about .about-reader {
  padding: clamp(20px, 3vw, 28px);
  background: var(--ink-800);
  transition: background-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-about .about-reader:hover {
  background: var(--ink-700);
  transform: translateY(-2px);
}

.page-about .about-reader__tag {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--green);
}

.page-about .about-reader__title {
  margin: 10px 0 0;
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.4;
  color: var(--white);
}

.page-about .about-reader__desc {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
}

.page-about .about-reader__desc a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 209, 255, 0.45);
}

.page-about .about-reader__desc a:hover {
  color: var(--white);
  border-color: var(--green);
}

/* ---------- 收尾 ---------- */
.page-about .about-cta {
  margin-top: clamp(56px, 8vw, 100px);
}

.page-about .about-cta__inner {
  position: relative;
  padding: clamp(28px, 4vw, 52px) clamp(22px, 4vw, 48px);
  background: linear-gradient(135deg, rgba(22, 208, 124, 0.14), rgba(18, 36, 56, 0.9) 55%);
  border-left: 3px solid var(--green);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-about .about-cta__title {
  margin: 0;
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  font-weight: 900;
  line-height: 1.25;
  color: var(--white);
}

.page-about .about-cta__desc {
  margin: 16px 0 0;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text);
}

.page-about .about-cta__desc a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 209, 255, 0.45);
}

.page-about .about-cta__desc a:hover {
  color: var(--white);
  border-color: var(--green);
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-about .about-era__list {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0;
    padding: 28px 0 0;
    padding-left: 0;
  }

  .page-about .about-era__list::before {
    left: 0;
    right: 0;
    top: 10px;
    bottom: auto;
    width: auto;
    height: 1px;
    background: linear-gradient(90deg, var(--green), rgba(79, 209, 255, 0.4) 60%, transparent);
  }

  .page-about .about-era__item {
    padding-right: 18px;
  }

  .page-about .about-era__item::before {
    left: 0;
    top: -23px;
  }

  .page-about .about-points__item {
    grid-template-columns: 88px minmax(0, 1fr);
  }

  .page-about .about-shifts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 24px;
    background: transparent;
    border-top: none;
    border-bottom: none;
  }

  .page-about .about-shifts__item {
    padding: 20px 0 22px;
    border-top: 2px solid var(--line);
  }

  .page-about .about-shifts__item:nth-child(4) {
    border-top-color: var(--green);
  }

  .page-about .about-changes {
    margin-top: 28px;
  }

  .page-about .about-change {
    grid-template-columns: 56px minmax(0, 1fr) auto;
    align-items: start;
  }

  .page-about .about-change__metric {
    text-align: right;
    padding-top: 2px;
  }

  .page-about .about-readers {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 24px;
    padding-bottom: 34px;
  }

  .page-about .about-reader:nth-child(even) {
    transform: translateY(30px);
  }

  .page-about .about-reader:nth-child(even):hover {
    transform: translateY(28px);
  }
}

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

  .page-about .about-rail {
    position: sticky;
    top: 112px;
    align-self: start;
    flex-direction: column;
    flex-wrap: nowrap;
    overflow: visible;
    gap: 4px;
    padding-bottom: 0;
    border-bottom: none;
    border-left: 1px solid var(--line-soft);
    padding-left: 4px;
  }

  .page-about .about-rail__label {
    display: block;
    margin: 0 0 12px 12px;
  }

  .page-about .about-rail .index-rail__link {
    display: flex;
    width: 100%;
    padding: 9px 12px;
  }

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

  .page-about .about-team__col {
    padding: clamp(26px, 3vw, 38px) clamp(20px, 3vw, 34px);
  }

  .page-about .about-team__col:first-child {
    padding-left: 0;
  }

  .page-about .about-prose {
    max-width: 44ch;
  }
}

@media (min-width: 1240px) {
  .page-about .about-hero__title {
    max-width: 20ch;
  }

  .page-about .about-readers {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-reader:nth-child(even) {
    transform: translateY(30px);
  }

  .page-about .about-reader:nth-child(3) {
    transform: translateY(12px);
  }

  .page-about .about-reader:nth-child(3):hover {
    transform: translateY(10px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-note,
  .page-about .about-reader,
  .page-about .about-change {
    transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
  }

  .page-about .about-note:hover,
  .page-about .about-reader:hover,
  .page-about .about-reader:nth-child(even),
  .page-about .about-reader:nth-child(even):hover,
  .page-about .about-reader:nth-child(3),
  .page-about .about-reader:nth-child(3):hover,
  .page-about .about-change:hover {
    transform: none;
  }
}
</final>
</result>