/* ===== 品牌档案 /story/ ===== */
.page-about {
  --about-hair: rgba(212, 166, 74, .3);
  --tl-pad: clamp(1.15rem, 4vw, 2.2rem);
  --about-dot: 9px;
}

.page-about img {
  max-width: 100%;
  height: auto;
}

.page-about figure {
  margin: 0;
}

.page-about figcaption {
  margin-top: .7rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--mist);
  line-height: 1.6;
}

.page-about .about-sec__idx {
  margin: 0 0 .85rem;
  font-family: var(--font-mono);
  font-size: .73rem;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-about .section--ivory .about-sec__idx,
.page-about .section--parchment .about-sec__idx {
  color: var(--crimson);
}

.page-about .about-h2 {
  margin: 0 0 1.15rem;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.55rem, 4.6vw, 2.7rem);
  line-height: 1.26;
  letter-spacing: -.01em;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(1.6rem, 5vw, 3rem) clamp(2.6rem, 7vw, 5.2rem);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 78% at 90% -12%, rgba(212, 166, 74, .17), transparent 58%),
    radial-gradient(90% 70% at 4% 110%, rgba(179, 58, 58, .16), transparent 62%);
  pointer-events: none;
}

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

.page-about .about-hero__crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  margin-bottom: clamp(1.4rem, 4vw, 2.4rem);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-about .about-hero__crumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-about .about-hero__crumb a:hover {
  color: var(--gold-hi);
  border-bottom-color: var(--gold-hi);
}

.page-about .about-hero__eyebrow {
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .22em;
  color: var(--gold);
}

.page-about .about-hero__title {
  margin: 0 0 clamp(1.1rem, 3vw, 1.6rem);
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(1.95rem, 6.4vw, 4.2rem);
  line-height: 1.14;
  letter-spacing: -.015em;
  color: var(--ivory);
}

.page-about .about-hero__title b {
  font-weight: 900;
  color: var(--gold-hi);
}

.page-about .about-hero__lede {
  max-width: 34em;
  color: var(--mist);
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.1rem 1.5rem;
  margin: clamp(1.8rem, 5vw, 2.8rem) 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-hero__stats li {
  padding-top: .7rem;
  border-top: 1px solid var(--about-hair);
}

.page-about .about-hero__stats b {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 4.6vw, 2.1rem);
  line-height: 1.1;
  color: var(--gold-hi);
}

.page-about .about-hero__stats span {
  display: block;
  margin-top: .3rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .1em;
  color: var(--mist);
}

/* ---------- 品牌起点 ---------- */
.page-about .about-origin__grid {
  display: grid;
  gap: clamp(1.8rem, 5vw, 3rem);
}

.page-about .about-origin__copy .prose p {
  margin: 0 0 1.05rem;
  max-width: 40em;
}

.page-about .about-origin__figure img {
  width: 100%;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  border-radius: 3px;
}

.page-about .about-origin__figure figcaption {
  color: rgba(26, 26, 36, .68);
  border-top: 1px solid rgba(26, 26, 36, .12);
  padding-top: .6rem;
}

/* ---------- 里程碑 ---------- */
.page-about .about-miles__lede {
  max-width: 36em;
  color: var(--mist);
}

.page-about .about-miles__figure {
  margin: clamp(1.6rem, 4vw, 2.4rem) 0 clamp(2rem, 5vw, 3rem);
  border: 1px solid var(--about-hair);
  border-radius: 3px;
  overflow: hidden;
}

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

.page-about .about-tl {
  margin: 0;
  padding: 0 0 0 var(--tl-pad);
  list-style: none;
  border-left: 1px solid var(--about-hair);
}

.page-about .about-tl__item {
  position: relative;
  padding-bottom: clamp(1.5rem, 4.5vw, 2.3rem);
}

.page-about .about-tl__item:last-child {
  padding-bottom: 0;
}

.page-about .about-tl__item::before {
  content: "";
  position: absolute;
  top: .5rem;
  left: calc(-1 * var(--tl-pad) - 5px);
  width: var(--about-dot);
  height: var(--about-dot);
  border-radius: 50%;
  background: var(--crimson);
  box-shadow: 0 0 0 1px rgba(212, 166, 74, .7);
}

.page-about .about-tl__item--now::before {
  background: var(--jade);
  box-shadow: 0 0 0 1px rgba(242, 201, 76, .9);
}

.page-about .about-tl__year {
  margin: 0 0 .35rem;
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-about .about-tl__item h3 {
  margin: 0 0 .45rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 3vw, 1.3rem);
  line-height: 1.4;
  color: var(--ivory);
}

.page-about .about-tl__item p {
  margin: 0;
  max-width: 42em;
  font-size: .95rem;
  line-height: 1.75;
  color: var(--mist);
  overflow-wrap: break-word;
}

/* ---------- 档案体系 ---------- */
.page-about .about-archive__lede {
  max-width: 38em;
  margin-bottom: clamp(1.6rem, 4vw, 2.2rem);
  color: rgba(26, 26, 36, .78);
}

.page-about .about-chan {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0 0 clamp(2rem, 5vw, 3rem);
  padding: 0;
  list-style: none;
}

.page-about .about-chan li {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "no name"
    "no desc";
  gap: .2rem .9rem;
  padding: .9rem 0;
  border-top: 1px solid rgba(179, 58, 58, .32);
}

.page-about .about-chan li:last-child {
  border-bottom: 1px solid rgba(179, 58, 58, .32);
}

.page-about .about-chan__no {
  grid-area: no;
  align-self: start;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--crimson);
  padding-top: .35rem;
}

.page-about .about-chan__name {
  grid-area: name;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
}

.page-about .about-chan__desc {
  grid-area: desc;
  font-size: .88rem;
  line-height: 1.6;
  color: rgba(26, 26, 36, .68);
}

.page-about .about-index {
  border-top: 1px solid rgba(26, 26, 36, .16);
}

.page-about .about-index__row > summary {
  list-style: none;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: .85rem;
  padding: .85rem .2rem;
  border-bottom: 1px solid rgba(26, 26, 36, .16);
  cursor: pointer;
  transition: background .25s var(--ease);
}

.page-about .about-index__row > summary::-webkit-details-marker {
  display: none;
}

.page-about .about-index__row > summary:hover {
  background: rgba(255, 255, 255, .5);
}

.page-about .about-index__row > summary:focus-visible {
  outline: 2px solid var(--crimson);
  outline-offset: 2px;
}

.page-about .about-index__no {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--crimson);
}

.page-about .about-index__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--ink);
}

.page-about .about-index__row > summary::after {
  content: "＋";
  font-family: var(--font-mono);
  font-size: .95rem;
  color: var(--crimson);
  transition: transform .3s var(--ease);
}

.page-about .about-index__row[open] > summary::after {
  transform: rotate(45deg);
}

.page-about .about-index__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin: .15rem 0 .95rem;
  padding: 0;
  list-style: none;
}

.page-about .about-index__tags li {
  padding: .28rem .62rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .04em;
  color: var(--ink);
  background: var(--ivory);
  border: 1px solid rgba(212, 166, 74, .55);
  border-radius: 2px;
}

/* ---------- 团队与荣誉 ---------- */
.page-about .about-team__grid {
  display: grid;
  gap: clamp(1.8rem, 5vw, 3rem);
}

.page-about .about-team__figure img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 3px;
  border: 1px solid var(--about-hair);
}

.page-about .about-team__lede {
  max-width: 36em;
  margin-bottom: clamp(1.6rem, 4vw, 2.2rem);
  color: var(--mist);
}

.page-about .about-bars {
  display: grid;
  gap: clamp(1.1rem, 3vw, 1.5rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-bar__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: .5rem;
}

.page-about .about-bar__label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--ivory);
}

.page-about .about-bar__num {
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .08em;
  color: var(--gold-hi);
}

.page-about .about-bar__track {
  display: block;
  height: 9px;
  border-radius: 999px;
  background: rgba(207, 198, 224, .16);
  overflow: hidden;
}

.page-about .about-bar__fill {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--gold), var(--gold-hi));
}

.page-about .about-bar__fill--a { width: 36.8%; }
.page-about .about-bar__fill--b { width: 21.1%; }
.page-about .about-bar__fill--c { width: 18.4%; }
.page-about .about-bar__fill--d { width: 23.7%; }

.page-about .about-bar__note {
  margin: .5rem 0 0;
  font-size: .85rem;
  line-height: 1.7;
  color: rgba(207, 198, 224, .68);
  transition: color .25s var(--ease);
}

.page-about .about-bar:hover .about-bar__note {
  color: var(--ivory);
}

.page-about .about-partners {
  margin-top: clamp(1.8rem, 5vw, 2.6rem);
  padding: 1.1rem 1.2rem;
  border-left: 2px solid var(--jade);
  background: rgba(46, 125, 110, .13);
}

.page-about .about-partners p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-about .about-partners p + p {
  margin-top: .5rem;
}

.page-about .about-partners b {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--gold-hi);
}

.page-about .about-team .rule {
  margin: clamp(2rem, 5vw, 3rem) 0 clamp(1.6rem, 4vw, 2.2rem);
  border: 0;
  border-top: 1px solid var(--about-hair);
}

.page-about .about-awards {
  display: grid;
  gap: 1rem;
}

.page-about .about-award {
  padding: 1.15rem 1.25rem;
  background: var(--glass-bg);
  border: 1px solid rgba(212, 166, 74, .3);
  border-radius: 3px;
  backdrop-filter: blur(6px);
}

.page-about .about-award__year {
  margin: 0 0 .5rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .16em;
  color: var(--crimson);
  background: var(--parchment);
  display: inline-block;
  padding: .18rem .5rem;
  border-radius: 2px;
}

.page-about .about-award h3 {
  margin: 0 0 .45rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--ivory);
}

.page-about .about-award p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-about .about-promise {
  margin: clamp(1.6rem, 4vw, 2.2rem) 0 0;
  padding-left: 1.1rem;
  border-left: 2px solid var(--gold);
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ivory);
}

.page-about .about-cta {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: clamp(1.8rem, 5vw, 2.6rem);
}

/* ---------- 进阶适配 ---------- */
@media (min-width: 720px) {
  .page-about .about-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-chan {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(1.2rem, 4vw, 2.4rem);
  }

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

@media (min-width: 1024px) {
  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 1.22fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-about .about-origin__figure {
    position: sticky;
    top: 2rem;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, .78fr) minmax(0, 1.35fr);
    align-items: start;
  }

  .page-about .about-team__figure {
    position: sticky;
    top: 2rem;
  }

  .page-about .about-chan {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    column-gap: 1.1rem;
  }

  .page-about .about-chan li {
    grid-template-columns: 1fr;
    grid-template-areas:
      "no"
      "name"
      "desc";
    gap: .45rem;
    padding-top: 1rem;
  }

  .page-about .about-chan__no {
    padding-top: 0;
  }

  .page-about .about-tl {
    padding-left: clamp(2rem, 6vw, 3.4rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about * {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}