/* ===== 关于金沙中心 · page-about ===== */

.page-about {
  --about-shadow: 0 20px 46px -26px rgba(10, 24, 48, .5);
  --about-hairline: rgba(15, 36, 64, .1);
  background: var(--sand);
  color: var(--ink);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */

.page-about .about-hero {
  position: relative;
  padding: 24px 0 56px;
  background:
    radial-gradient(120% 88% at 100% 0%, rgba(200, 144, 31, .28) 0%, rgba(200, 144, 31, 0) 54%),
    radial-gradient(96% 76% at 0% 100%, rgba(47, 107, 94, .34) 0%, rgba(47, 107, 94, 0) 62%),
    var(--indigo);
  color: var(--cream);
  border-bottom-left-radius: var(--r-lg);
  border-bottom-right-radius: var(--r-lg);
  overflow: hidden;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(102deg, rgba(251, 246, 236, .05) 0 2px, transparent 2px 52px);
  pointer-events: none;
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
}

.page-about .about-hero .breadcrumb__link {
  color: var(--gold-sand);
  text-decoration: none;
}

.page-about .about-hero .breadcrumb__link:hover {
  color: var(--cream);
  text-decoration: underline;
}

.page-about .about-hero .breadcrumb__item {
  color: rgba(251, 246, 236, .66);
}

.page-about .about-hero .breadcrumb__sep {
  color: rgba(251, 246, 236, .34);
}

.page-about .about-hero__grid {
  display: grid;
  gap: 34px;
  margin-top: 26px;
}

.page-about .about-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(42px, 10vw, 86px);
  line-height: 1.02;
  letter-spacing: -.02em;
  color: var(--cream);
}

.page-about .about-hero__sub {
  display: block;
  margin-top: 12px;
  font-size: .36em;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: .005em;
  color: var(--gold);
}

.page-about .about-hero__text {
  margin: 22px 0 0;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.8;
  color: rgba(251, 246, 236, .84);
}

.page-about .hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 36px;
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px dashed rgba(232, 197, 122, .38);
}

.page-about .hero-fact__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 25px;
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--gold-sand);
}

.page-about .hero-fact__label {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  letter-spacing: .04em;
  color: rgba(251, 246, 236, .68);
}

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

.page-about .about-hero__figure .media__cap {
  color: rgba(251, 246, 236, .6);
}

/* ---------- 通用章节 ---------- */

.page-about .about-section {
  padding: 60px 0;
}

.page-about .about-section + .about-section {
  border-top: 1px dashed rgba(15, 36, 64, .16);
}

.page-about .about-section .section__title {
  font-family: var(--font-title);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.12;
  margin-top: 6px;
}

.page-about .about-section .section__lead {
  max-width: 40em;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--ash);
  margin-top: 12px;
}

/* ---------- 01 两件事 ---------- */

.page-about .about-duo {
  display: grid;
  gap: 20px;
  margin-top: 34px;
}

.page-about .about-panel {
  position: relative;
  padding: 30px 26px 32px;
  background: var(--cream);
  border: 1px solid var(--about-hairline);
  border-radius: var(--r-lg);
  box-shadow: var(--about-shadow);
}

.page-about .about-panel::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 48px;
  height: 48px;
  border-top-right-radius: var(--r-lg);
  background: linear-gradient(225deg, rgba(200, 144, 31, .3) 0 50%, transparent 50%);
}

.page-about .about-panel--res::after {
  background: linear-gradient(225deg, rgba(47, 107, 94, .3) 0 50%, transparent 50%);
}

.page-about .about-panel__title {
  margin: 16px 0 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 24px;
  letter-spacing: -.01em;
  line-height: 1.3;
}

.page-about .about-panel__text {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ash);
}

.page-about .about-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-about .about-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--ink);
}

.page-about .about-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .58em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
}

.page-about .about-list--teal li::before {
  background: var(--teal);
}

/* ---------- 02 阶段档案 ---------- */

.page-about .about-archive {
  display: grid;
  gap: 26px;
  margin-top: 36px;
}

.page-about .about-ruler {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-about .about-ruler__mark {
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--gold-sand);
  background: var(--indigo);
  border-radius: var(--r-pill);
}

.page-about .about-ruler__tick {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px;
  background: var(--cream);
  border: 1px solid var(--about-hairline);
  border-radius: var(--r-pill);
  text-decoration: none;
  color: var(--ash);
  transition: color .22s var(--ease), border-color .22s var(--ease), transform .22s var(--ease);
}

.page-about .about-ruler__tick:hover {
  color: var(--ink);
  border-color: var(--gold);
  transform: translateY(-2px);
}

.page-about .about-ruler__ver {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--gold);
}

.page-about .about-ruler__name {
  font-size: 13.5px;
}

.page-about .about-stages {
  display: grid;
  gap: 20px;
}

.page-about .stage-card {
  position: relative;
  padding: 26px 24px 28px;
  background: var(--indigo);
  color: var(--cream);
  border-radius: var(--r-md);
  box-shadow: var(--about-shadow);
  scroll-margin-top: 96px;
}

.page-about .stage-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 26px;
  bottom: 26px;
  width: 3px;
  border-radius: var(--r-pill);
  background: var(--gold);
}

.page-about .stage-card__ver {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--gold-sand);
}

.page-about .stage-card__name {
  margin: 10px 0 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 21px;
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--cream);
}

.page-about .stage-card__text {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(251, 246, 236, .78);
}

/* ---------- 03 归档 ---------- */

.page-about .about-archive-grid {
  display: grid;
  gap: 36px;
}

.page-about .cat-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .cat-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 15px 18px 15px 20px;
  background: var(--cream);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  transition: transform .24s var(--ease), box-shadow .24s var(--ease);
}

.page-about .cat-list li:hover {
  transform: translateX(4px);
  box-shadow: var(--about-shadow);
}

.page-about .cat-list p {
  flex: 1 1 220px;
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ash);
}

.page-about .about-note {
  margin: 24px 0 0;
  padding: 18px 20px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
  background: rgba(200, 144, 31, .12);
  border-radius: var(--r-md);
}

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

/* ---------- 04 团队 ---------- */

.page-about .team-wrap {
  display: grid;
  gap: 34px;
  margin-top: 34px;
}

.page-about .team-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-about .team-list li {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  column-gap: 18px;
  row-gap: 6px;
  align-items: baseline;
  padding: 20px 4px;
  border-bottom: 1px dashed rgba(15, 36, 64, .18);
}

.page-about .team-list__num {
  font-family: var(--font-mono);
  font-size: 34px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--gold);
}

.page-about .team-list__name {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -.01em;
}

.page-about .team-list p {
  grid-column: 2;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ash);
}

.page-about .team-figure {
  margin: 0;
}

/* ---------- 05 适配 ---------- */

.page-about .adapt-grid {
  display: grid;
  gap: 18px;
  margin-top: 34px;
}

.page-about .adapt-fact {
  padding: 28px 24px 30px;
  background: var(--cream);
  border: 1px solid var(--about-hairline);
  border-radius: var(--r-md);
  border-top: 3px solid var(--teal);
}

.page-about .adapt-fact__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 38px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--indigo);
}

.page-about .adapt-fact__title {
  margin: 14px 0 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.4;
  letter-spacing: -.005em;
}

.page-about .adapt-fact__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ash);
}

/* ---------- 06 下一步 ---------- */

.page-about .next-grid {
  display: grid;
  gap: 18px;
  margin-top: 32px;
}

.page-about .next-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 24px 24px;
  background: var(--cream);
  border: 1px solid var(--about-hairline);
  border-radius: var(--r-md);
  text-decoration: none;
  color: var(--ink);
  transition: transform .26s var(--ease), box-shadow .26s var(--ease), border-color .26s var(--ease);
}

.page-about .next-card:hover {
  transform: translateY(-4px);
  border-color: var(--gold);
  box-shadow: var(--about-shadow);
}

.page-about .next-card__title {
  margin: 4px 0 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 21px;
  letter-spacing: -.01em;
}

.page-about .next-card__text {
  flex: 1;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ash);
}

.page-about .next-card__go {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: .04em;
  color: var(--cinnabar);
}

.page-about .next-card__go span {
  transition: transform .26s var(--ease);
}

.page-about .next-card:hover .next-card__go span {
  transform: translateX(5px);
}

.page-about .about-tail {
  margin: 34px 0 0;
  padding-top: 22px;
  border-top: 1px dashed rgba(15, 36, 64, .18);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ash);
}

.page-about .about-tail a {
  color: var(--teal);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid rgba(47, 107, 94, .3);
}

.page-about .about-tail a:hover {
  border-bottom-color: var(--teal);
}

/* ---------- 响应式 ---------- */

@media (min-width: 620px) {
  .page-about .about-hero {
    padding: 30px 0 68px;
  }

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

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

  .page-about .about-section {
    padding: 76px 0;
  }
}

@media (min-width: 860px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: 52px;
    align-items: center;
  }

  .page-about .about-hero__figure {
    transform: rotate(-1.4deg);
  }

  .page-about .about-archive {
    grid-template-columns: 176px minmax(0, 1fr);
    gap: 46px;
    align-items: start;
  }

  .page-about .about-ruler {
    position: sticky;
    top: 96px;
    align-self: start;
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: flex-start;
    gap: 0;
    padding: 6px 0 6px 28px;
  }

  .page-about .about-ruler::before {
    content: "";
    position: absolute;
    left: 6px;
    top: 16px;
    bottom: 16px;
    border-left: 2px dashed rgba(15, 36, 64, .24);
  }

  .page-about .about-ruler__mark {
    padding: 0 0 14px;
    font-size: 14px;
    color: var(--indigo);
    background: none;
    border-radius: 0;
  }

  .page-about .about-ruler__tick {
    position: relative;
    padding: 12px 0;
    background: none;
    border: 0;
    border-radius: 0;
  }

  .page-about .about-ruler__tick::before {
    content: "";
    position: absolute;
    left: -28px;
    top: 50%;
    width: 13px;
    height: 13px;
    margin-top: -6.5px;
    border-radius: 50%;
    background: var(--cream);
    border: 2px solid var(--gold);
    transition: background .22s var(--ease), border-color .22s var(--ease);
  }

  .page-about .about-ruler__tick:hover {
    transform: none;
  }

  .page-about .about-ruler__tick:hover::before {
    background: var(--gold);
  }

  .page-about .about-stages {
    gap: 24px;
  }

  .page-about .stage-card:nth-child(odd) {
    margin-right: 46px;
  }

  .page-about .stage-card:nth-child(even) {
    margin-left: 46px;
  }

  .page-about .about-archive-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: 52px;
    align-items: start;
  }

  .page-about .team-wrap {
    grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
    gap: 48px;
    align-items: start;
  }

  .page-about .team-figure {
    position: sticky;
    top: 96px;
  }

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

@media (min-width: 1024px) {
  .page-about .about-section {
    padding: 88px 0;
  }

  .page-about .about-panel {
    padding: 34px 32px 36px;
  }

  .page-about .stage-card {
    padding: 30px 30px 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-ruler__tick,
  .page-about .cat-list li,
  .page-about .next-card,
  .page-about .next-card__go span {
    transition: none;
  }

  .page-about .about-hero__figure {
    transform: none;
  }
}