.page-about {
  --about-measure: 44rem;
  --about-wash: rgba(106, 63, 168, .07);
  --about-mint-wash: rgba(143, 203, 63, .16);
}

.page-about :focus-visible {
  outline: 2px solid var(--gp-grape);
  outline-offset: 3px;
}

.page-about .gp-section--night :focus-visible {
  outline-color: var(--gp-mint);
}

.page-about .about-col {
  max-width: var(--about-measure);
  margin-inline: auto;
}

/* ---------- 首屏 ---------- */

.page-about .about-hero {
  position: relative;
  padding-block: clamp(22px, 5vw, 44px) clamp(36px, 7vw, 68px);
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(58% 46% at 90% 4%, rgba(106, 63, 168, .16), transparent 70%),
    radial-gradient(42% 40% at 4% 92%, rgba(143, 203, 63, .18), transparent 72%);
  pointer-events: none;
}

.page-about .about-hero .gp-container {
  position: relative;
  z-index: 1;
}

.page-about .about-crumb {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  font-size: 13px;
  color: var(--gp-ink-50);
}

.page-about .about-crumb a {
  color: var(--gp-grape);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s var(--gp-ease);
}

.page-about .about-crumb a:hover {
  border-bottom-color: currentColor;
}

.page-about .about-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 7px 16px 7px 11px;
  border-radius: var(--gp-pill);
  background: var(--gp-mint-soft);
  border: 1px solid rgba(143, 203, 63, .45);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--gp-vine);
}

.page-about .about-kicker__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gp-mint);
  box-shadow: 0 0 0 3px rgba(143, 203, 63, .25);
}

.page-about .about-hero__title {
  margin: 16px 0 0;
  max-width: 22ch;
  font-family: var(--gp-font-display);
  font-weight: 800;
  font-size: clamp(34px, 6.6vw, 66px);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--gp-ink);
}

.page-about .about-hero__em {
  display: block;
  color: var(--gp-grape);
}

.page-about .about-hero__lead {
  max-width: 40rem;
  margin: 22px 0 0;
  font-size: clamp(16.5px, 2vw, 18.5px);
  line-height: 1.85;
  color: var(--gp-ink-72);
}

.page-about .about-toc {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(24px, 4vw, 34px) 0 0;
  padding: 0;
}

.page-about .about-toc a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: var(--gp-pill);
  border: 1px solid var(--gp-haze-40);
  background: #fff;
  color: var(--gp-ink);
  font-size: 14px;
  text-decoration: none;
  transition: transform .22s var(--gp-ease), border-color .22s var(--gp-ease), box-shadow .22s var(--gp-ease);
}

.page-about .about-toc a .gp-num {
  color: var(--gp-grape);
  font-size: 12.5px;
  letter-spacing: .04em;
}

.page-about .about-toc a:hover,
.page-about .about-toc a:focus-visible {
  transform: translate(3px, -3px);
  border-color: var(--gp-mint);
  box-shadow: var(--gp-shadow-1);
}

.page-about .about-hero__media {
  margin: clamp(26px, 5vw, 42px) 0 0;
  border-radius: var(--gp-r-lg);
  overflow: hidden;
  box-shadow: var(--gp-shadow-2);
}

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

/* ---------- 章节通用 ---------- */

.page-about .about-chapter {
  padding-block: clamp(46px, 8vw, 86px);
}

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

.page-about .about-num {
  display: block;
  font-family: var(--gp-font-mono);
  font-size: clamp(44px, 9vw, 84px);
  font-weight: 700;
  line-height: .88;
  letter-spacing: -.03em;
  color: rgba(106, 63, 168, .16);
  -webkit-text-stroke: 1px rgba(106, 63, 168, .5);
}

.page-about .gp-section__eyebrow {
  margin: 14px 0 0;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--gp-grape);
}

.page-about .gp-section__title {
  margin: 10px 0 0;
  font-family: var(--gp-font-display);
  font-weight: 700;
  font-size: clamp(24px, 4vw, 36px);
  line-height: 1.26;
  letter-spacing: -.01em;
  color: var(--gp-ink);
}

.page-about .gp-prose {
  margin-top: clamp(18px, 3vw, 26px);
}

.page-about .gp-prose p {
  margin: 0 0 1.1em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--gp-ink-72);
}

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

/* ---------- 时间轴 ---------- */

.page-about .about-line {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: clamp(30px, 5vw, 46px) 0 0;
  padding: 0;
}

.page-about .about-line__item {
  position: relative;
  padding: 18px 18px 20px;
  border-radius: var(--gp-r-md);
  background: #fff;
  border: 1px solid var(--gp-haze-40);
  cursor: default;
  transition: transform .24s var(--gp-ease), border-color .24s var(--gp-ease), box-shadow .24s var(--gp-ease), background-color .24s var(--gp-ease);
}

.page-about .about-line__item:hover,
.page-about .about-line__item:focus-visible {
  transform: translateY(-5px);
  border-color: var(--gp-mint);
  background: var(--gp-mint-soft);
  box-shadow: var(--gp-shadow-1);
}

.page-about .about-line__disc {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: 12px;
  border-radius: 50%;
  background: var(--gp-grape);
  color: #fff;
  font-family: var(--gp-font-display);
  font-size: 19px;
  font-weight: 700;
  transition: transform .28s var(--gp-ease), background-color .28s var(--gp-ease);
}

.page-about .about-line__item:hover .about-line__disc,
.page-about .about-line__item:focus-visible .about-line__disc {
  transform: rotate(10deg);
  background: var(--gp-vine);
}

.page-about .about-line__title {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 650;
  color: var(--gp-ink);
}

.page-about .about-line__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--gp-ink-72);
}

/* ---------- 团队 ---------- */

.page-about .about-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 38px);
  align-items: start;
  margin-top: clamp(26px, 4vw, 40px);
}

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

.page-about .about-team {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-about .about-team__cap {
  margin-bottom: 10px;
  text-align: left;
  font-size: 12.5px;
  letter-spacing: .14em;
  color: var(--gp-ink-50);
}

.page-about .about-team th,
.page-about .about-team td {
  padding: 14px 14px;
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
  border-bottom: 1px solid var(--gp-haze-40);
}

.page-about .about-team thead th {
  padding-block: 10px;
  white-space: nowrap;
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--gp-grape);
  border-bottom: 2px solid var(--gp-grape);
}

.page-about .about-team tbody tr {
  transition: background-color .2s var(--gp-ease);
}

.page-about .about-team tbody tr:hover {
  background: var(--about-wash);
}

.page-about .about-team tbody th {
  white-space: nowrap;
  font-weight: 650;
  color: var(--gp-ink);
}

.page-about .about-team td:nth-child(2) {
  width: 76px;
  color: var(--gp-grape);
  font-weight: 600;
}

.page-about .about-team .about-team__total {
  background: var(--gp-mint-soft);
}

.page-about .about-team .about-team__total td,
.page-about .about-team .about-team__total th {
  border-bottom: none;
}

.page-about .about-figure {
  margin: 0;
  border-radius: var(--gp-r-md);
  overflow: hidden;
  box-shadow: var(--gp-shadow-1);
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-about .about-figure .gp-media__cap {
  padding: 12px 16px;
  background: #fff;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gp-ink-50);
}

.page-about .about-quote {
  position: relative;
  margin: clamp(28px, 5vw, 44px) auto 0;
  max-width: var(--about-measure);
  padding: 22px 24px;
  border-left: 4px solid var(--gp-grape);
  border-radius: 0 var(--gp-r-sm) var(--gp-r-sm) 0;
  background: var(--about-wash);
  font-family: var(--gp-font-display);
  font-size: clamp(17px, 2.3vw, 21px);
  line-height: 1.7;
  color: var(--gp-vine);
}

/* ---------- 列表 ---------- */

.page-about .about-list {
  list-style: none;
  display: grid;
  gap: 12px;
  margin: clamp(22px, 4vw, 32px) 0 0;
  padding: 0;
}

.page-about .about-list li {
  position: relative;
  padding: 16px 18px 17px 46px;
  border-radius: var(--gp-r-md);
  background: #fff;
  border: 1px solid var(--gp-haze-40);
  font-size: 15px;
  line-height: 1.78;
  color: var(--gp-ink-72);
  transition: transform .22s var(--gp-ease), border-color .22s var(--gp-ease);
}

.page-about .about-list li:hover {
  transform: translateX(4px);
  border-color: var(--gp-mint);
}

.page-about .about-list li::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 25px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gp-mint);
  box-shadow: 0 0 0 4px var(--about-mint-wash);
}

.page-about .about-list strong {
  display: block;
  margin-bottom: 4px;
  font-size: 15.5px;
  font-weight: 650;
  color: var(--gp-ink);
}

.page-about .about-link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: clamp(24px, 4vw, 32px) 0 0;
}

/* ---------- 夜色章节 ---------- */

.page-about .gp-section--night .about-num {
  color: rgba(143, 203, 63, .14);
  -webkit-text-stroke: 1px rgba(143, 203, 63, .62);
}

.page-about .gp-section--night .gp-section__eyebrow {
  color: var(--gp-mint);
}

.page-about .gp-section--night .gp-section__title {
  color: var(--gp-mint-soft);
}

.page-about .gp-section--night .gp-prose p {
  color: rgba(234, 247, 236, .78);
}

.page-about .gp-section--night .about-list li {
  background: rgba(234, 247, 236, .06);
  border-color: var(--gp-light-16);
  color: rgba(234, 247, 236, .78);
}

.page-about .gp-section--night .about-list li:hover {
  border-color: var(--gp-mint);
}

.page-about .gp-section--night .about-list strong {
  color: var(--gp-mint-soft);
}

.page-about .about-night-figure {
  margin: clamp(28px, 5vw, 42px) 0 0;
  border-radius: var(--gp-r-lg);
  overflow: hidden;
  border: 1px solid var(--gp-light-16);
}

.page-about .about-night-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 22 / 15;
  object-fit: cover;
}

.page-about .about-stat-line {
  margin: clamp(20px, 3vw, 28px) 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(234, 247, 236, .82);
}

.page-about .about-stat-line .gp-num {
  color: var(--gp-gold);
  font-weight: 600;
}

/* ---------- 收束 ---------- */

.page-about .about-outro {
  padding-block: clamp(40px, 7vw, 68px) clamp(56px, 9vw, 96px);
  border-top: 1px solid var(--gp-haze-40);
}

.page-about .about-outro__title {
  margin: 0 0 22px;
  font-family: var(--gp-font-display);
  font-weight: 700;
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1.3;
  color: var(--gp-ink);
}

.page-about .about-cta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
  padding: 0;
}

/* ---------- 回到目录 ---------- */

.page-about .about-back {
  display: none;
}

/* ---------- 断点 ---------- */

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

@media (min-width: 860px) {
  .page-about .about-split {
    grid-template-columns: 1.08fr .92fr;
  }
}

@media (min-width: 1000px) {
  .page-about .about-line {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    position: relative;
    padding-top: 24px;
  }

  .page-about .about-line::before {
    content: "";
    position: absolute;
    left: 4%;
    right: 4%;
    top: 24px;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg,
      rgba(143, 203, 63, 0) 0%,
      var(--gp-mint) 16%,
      var(--gp-grape) 84%,
      rgba(106, 63, 168, 0) 100%);
  }

  .page-about .about-line__item {
    z-index: 1;
    padding-top: 32px;
  }

  .page-about .about-line__disc {
    position: absolute;
    top: -20px;
    left: 22px;
    margin-bottom: 0;
    box-shadow: 0 0 0 4px var(--gp-paper);
  }

  .page-about .about-line__item:hover .about-line__disc,
  .page-about .about-line__item:focus-visible .about-line__disc {
    box-shadow: 0 0 0 4px var(--gp-mint-soft);
  }

  .page-about .about-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    position: fixed;
    right: 26px;
    bottom: 26px;
    z-index: 20;
    padding: 10px 17px;
    border-radius: var(--gp-pill);
    background: var(--gp-vine);
    color: var(--gp-mint-soft);
    font-size: 13px;
    text-decoration: none;
    box-shadow: var(--gp-shadow-1);
    transition: transform .22s var(--gp-ease), background-color .22s var(--gp-ease);
  }

  .page-about .about-back:hover,
  .page-about .about-back:focus-visible {
    transform: translateY(-3px);
    background: var(--gp-grape);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-line__item,
  .page-about .about-line__disc,
  .page-about .about-list li,
  .page-about .about-toc a,
  .page-about .about-back {
    transition: none;
  }

  .page-about .about-line__item:hover,
  .page-about .about-line__item:focus-visible,
  .page-about .about-list li:hover,
  .page-about .about-toc a:hover,
  .page-about .about-toc a:focus-visible,
  .page-about .about-back:hover,
  .page-about .about-back:focus-visible {
    transform: none;
  }

  .page-about .about-line__item:hover .about-line__disc,
  .page-about .about-line__item:focus-visible .about-line__disc {
    transform: none;
  }
}