.page-about {
  --about-rail-w: 214px;
  --about-gap: clamp(22px, 3.4vw, 52px);
  --about-rule: rgba(74, 85, 104, 0.55);
  --about-ink-soft: rgba(237, 231, 218, 0.66);
  background-color: var(--ink);
  color: var(--paper);
  padding-bottom: clamp(48px, 8vw, 104px);
}

.page-about .breadcrumbs {
  margin-top: calc(var(--header-h) + 18px);
  margin-bottom: 10px;
}

/* ---------- 首屏 ---------- */

.about-hero {
  position: relative;
  padding-bottom: clamp(26px, 4vw, 48px);
  border-bottom: 1px solid var(--line-soft);
}

.about-hero__grid {
  display: grid;
  gap: clamp(22px, 3.2vw, 42px);
  align-items: start;
}

.about-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
}

.about-hero__title {
  margin: 0 0 18px;
  font-size: clamp(30px, 6vw, 56px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: 0.02em;
  max-width: 16em;
}

.about-hero__lede {
  margin: 0 0 26px;
  font-size: clamp(15px, 1.65vw, 18px);
  line-height: 1.82;
  color: var(--about-ink-soft);
  max-width: 44em;
}

.about-hero__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0 0 28px;
  padding: 18px 0 0;
  list-style: none;
  border-top: 2px solid var(--cinnabar);
}

.about-hero__fact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.about-hero__fact-num {
  font-family: var(--font-num);
  font-size: clamp(26px, 4.4vw, 40px);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1;
  color: var(--gold-bright);
}

.about-hero__fact-label {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--paper-faint);
}

.about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.about-hero__figure {
  margin: 0;
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: 8px 8px 0 rgba(11, 14, 18, 0.85);
}

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

.about-hero__cap {
  padding: 12px 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--paper-faint);
}

.about-hero__pulse {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: clamp(20px, 3vw, 30px) clamp(16px, 4vw, 40px) 0;
  font-size: 13px;
  color: var(--paper-dim);
}

/* ---------- 双栏骨架 ---------- */

.about-body {
  display: grid;
  gap: var(--about-gap);
  margin-top: clamp(32px, 5vw, 64px);
}

.about-rail {
  display: none;
}

.about-rail__title {
  margin: 0 0 14px;
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--paper-faint);
}

.about-rail__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.about-rail__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--about-rule);
  color: var(--paper-dim);
  font-size: 13.5px;
  line-height: 1.4;
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.about-rail__link:hover,
.about-rail__link:focus-visible {
  color: var(--gold-bright);
  border-color: var(--gold);
  background-color: rgba(201, 162, 39, 0.08);
}

.about-rail__num {
  font-family: var(--font-num);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.about-rail__scale {
  display: none;
}

.about-flow {
  display: flex;
  flex-direction: column;
  gap: clamp(34px, 5vw, 68px);
  min-width: 0;
}

/* ---------- 章节通用 ---------- */

.about-sec {
  border-top: 1px solid var(--about-rule);
  padding-top: clamp(22px, 3vw, 34px);
}

.about-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 20px;
}

.about-sec__index {
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--gold);
  padding-bottom: 4px;
  border-bottom: 3px solid var(--gold);
}

.about-sec__title {
  margin: 0;
  font-size: clamp(22px, 3.6vw, 34px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: 0.02em;
}

.about-sec__lead {
  margin: 0 0 18px;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.82;
  color: var(--paper);
  max-width: 40em;
}

.about-sec p {
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--about-ink-soft);
  max-width: 42em;
}

.about-sec__foot {
  margin-top: 22px !important;
  padding-left: 16px;
  border-left: 3px solid var(--jade);
  color: var(--paper-dim) !important;
  font-size: 14.5px !important;
}

/* 酒红理念分区 */

.about-sec--wine {
  border-top: none;
  padding: clamp(24px, 3.6vw, 40px) clamp(18px, 3vw, 34px);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(200, 64, 47, 0.22), transparent 58%),
    linear-gradient(160deg, var(--wine) 0%, #40121a 58%, var(--ink) 100%);
  border-left: 4px solid var(--gold);
  box-shadow: 10px 10px 0 rgba(11, 14, 18, 0.6);
}

.about-sec--wine .about-sec__lead {
  color: var(--paper);
}

.about-sec--wine p {
  color: rgba(237, 231, 218, 0.78);
}

.about-more {
  margin-top: 20px;
  border: 1px solid var(--gold-soft);
  background-color: rgba(11, 14, 18, 0.45);
}

.about-more__summary {
  cursor: pointer;
  padding: 14px 18px;
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--gold-bright);
  list-style: none;
}

.about-more__summary::-webkit-details-marker {
  display: none;
}

.about-more__summary::before {
  content: "▸";
  display: inline-block;
  margin-right: 10px;
  color: var(--gold);
  transition: transform 0.2s var(--ease);
}

.about-more[open] .about-more__summary::before {
  transform: rotate(90deg);
}

.about-more__body {
  padding: 4px 18px 12px;
  border-top: 1px solid var(--gold-soft);
}

.about-more__body p {
  font-size: 14.5px;
  color: var(--paper-dim);
  max-width: 40em;
}

/* ---------- 横向主题带 ---------- */

.about-band {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: clamp(14px, 2.4vw, 30px);
  min-height: clamp(140px, 22vh, 220px);
  padding: clamp(22px, 3.4vw, 38px) clamp(18px, 3vw, 40px);
  background: linear-gradient(100deg, var(--indigo) 0%, #1c1738 46%, var(--jade) 130%);
  border-top: 3px solid var(--gold);
  border-bottom: 1px solid var(--line);
}

.about-band__num {
  font-family: var(--font-num);
  font-size: clamp(44px, 9vw, 86px);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 0.9;
  color: var(--gold-bright);
}

.about-band__text {
  margin: 0;
  flex: 1 1 260px;
  font-size: clamp(15px, 1.9vw, 19px);
  line-height: 1.75;
  color: var(--paper);
  max-width: 34em;
}

/* ---------- 时间线 ---------- */

.about-timeline {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
}

.about-timeline__figure {
  margin: 0;
  border: 2px solid var(--line);
  background-color: var(--panel);
}

.about-timeline__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 7;
  object-fit: cover;
}

.about-timeline__list {
  margin: 0;
  padding: 0 0 0 22px;
  list-style: none;
  border-left: 2px solid var(--line);
}

.about-timeline__item {
  position: relative;
  padding: 0 0 26px 0;
}

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

.about-timeline__item::before {
  content: "";
  position: absolute;
  left: calc(-22px - 7px);
  top: 6px;
  width: 12px;
  height: 12px;
  background-color: var(--ink);
  border: 2px solid var(--gold);
  transform: rotate(45deg);
}

.about-timeline__item--now::before {
  background-color: var(--cinnabar);
  border-color: var(--gold-bright);
}

.about-timeline__year {
  display: inline-block;
  margin-bottom: 6px;
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.about-timeline__item--now .about-timeline__year {
  color: var(--cinnabar);
}

.about-timeline__name {
  margin: 0 0 8px;
  font-size: clamp(17px, 2.1vw, 21px);
  font-weight: 900;
  letter-spacing: 0.02em;
  line-height: 1.35;
}

.about-timeline__item p {
  margin: 0;
  font-size: 14.8px;
  line-height: 1.78;
  color: var(--about-ink-soft);
  max-width: 38em;
}

/* ---------- 编排流程 ---------- */

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

.about-flowlist__item {
  padding: 20px 20px 22px;
  border: 2px solid var(--line);
  border-left-width: 6px;
  background-color: var(--panel);
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.about-flowlist__item:hover {
  border-color: var(--gold);
  border-left-color: var(--cinnabar);
  transform: translateY(-4px);
}

.about-flowlist__num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.about-flowlist__name {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 0.02em;
}

.about-flowlist__item p {
  margin: 0;
  font-size: 14.6px;
  line-height: 1.78;
  color: var(--about-ink-soft);
}

/* ---------- 团队 ---------- */

.about-team {
  position: relative;
  border-top: none;
  padding: clamp(26px, 4vw, 44px) clamp(18px, 3vw, 36px);
  background-color: #0d1b1c;
  border: 1px solid var(--line);
  overflow: hidden;
}

.about-team__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.28;
  pointer-events: none;
}

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

.about-team__grid {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.about-team__cell {
  padding: 20px 18px;
  border: 2px solid var(--about-rule);
  background-color: rgba(11, 14, 18, 0.82);
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.about-team__cell:hover {
  border-color: var(--jade);
  transform: translateY(-4px);
}

.about-team__icon {
  display: block;
  margin-bottom: 12px;
  color: var(--jade);
}

.about-team__name {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 900;
  letter-spacing: 0.02em;
}

.about-team__cell p {
  margin: 0;
  font-size: 14.4px;
  line-height: 1.76;
  color: var(--about-ink-soft);
}

.about-team__note {
  margin: 24px 0 0;
  padding-top: 18px;
  border-top: 1px dashed var(--about-rule);
  font-size: 14px;
  line-height: 1.8;
  color: var(--paper-dim);
  max-width: 44em;
}

/* ---------- 数字带 ---------- */

.about-stats {
  margin-top: 24px;
  display: grid;
  grid-template-columns: 1fr;
  border-top: 2px solid var(--cinnabar);
  border-bottom: 2px solid var(--cinnabar);
}

.about-stats__col {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 4px;
  border-bottom: 1px solid var(--about-rule);
}

.about-stats__col:last-child {
  border-bottom: none;
}

.about-stats__num {
  font-family: var(--font-num);
  font-size: clamp(38px, 7vw, 58px);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1;
  color: var(--paper);
}

.about-stats__num em {
  font-style: normal;
  font-size: 0.46em;
  letter-spacing: 0.04em;
  color: var(--gold-bright);
}

.about-stats__label {
  font-size: 13px;
  line-height: 1.55;
  letter-spacing: 0.04em;
  color: var(--jade);
}

/* ---------- 尾部行动区 ---------- */

.about-cta {
  border: 2px solid var(--gold-soft);
  border-top-width: 4px;
  padding: clamp(24px, 3.6vw, 42px) clamp(18px, 3vw, 40px);
  background: linear-gradient(150deg, var(--panel) 0%, #1a1426 100%);
  box-shadow: 10px 10px 0 rgba(11, 14, 18, 0.7);
}

.about-cta__title {
  margin: 0 0 14px;
  font-size: clamp(21px, 3.2vw, 30px);
  font-weight: 900;
  letter-spacing: 0.02em;
  line-height: 1.3;
}

.about-cta__text {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--about-ink-soft);
  max-width: 40em;
}

.about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.about-cta__link {
  font-size: 14px;
  color: var(--paper-dim);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.about-cta__link:hover,
.about-cta__link:focus-visible {
  color: var(--gold-bright);
  border-bottom-color: var(--gold);
}

/* ---------- 断点 ---------- */

@media (min-width: 620px) {
  .about-flowlist {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

  .about-stats__col {
    padding: 24px 18px;
    border-bottom: none;
    border-right: 1px solid var(--about-rule);
  }

  .about-stats__col:nth-child(3n) {
    border-right: none;
  }

  .about-stats__col:nth-child(n + 4) {
    border-top: 1px solid var(--about-rule);
  }
}

@media (min-width: 900px) {
  .about-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  }

  .about-timeline {
    grid-template-columns: minmax(180px, 240px) minmax(0, 1fr);
    align-items: start;
  }

  .about-timeline__figure {
    position: sticky;
    top: calc(var(--header-h) + 26px);
  }

  .about-hero__pulse {
    position: absolute;
    right: 0;
    bottom: clamp(26px, 4vw, 48px);
    margin: 0;
  }
}

@media (min-width: 1040px) {
  .about-body {
    grid-template-columns: var(--about-rail-w) minmax(0, 1fr);
    align-items: start;
  }

  .about-rail {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 26px);
    padding-left: 16px;
    border-left: 1px solid var(--about-rule);
  }

  .about-rail__list {
    display: block;
  }

  .about-rail__list li + li {
    margin-top: 4px;
  }

  .about-rail__link {
    display: flex;
    width: 100%;
    padding: 9px 10px 9px 0;
    border: none;
    border-left: 3px solid transparent;
    margin-left: -16px;
    padding-left: 13px;
    background-color: transparent;
  }

  .about-rail__link:hover,
  .about-rail__link:focus-visible {
    border-left-color: var(--gold);
    background-color: rgba(201, 162, 39, 0.06);
  }

  .about-rail__scale {
    display: block;
    height: 120px;
    margin-top: 22px;
    background-image: repeating-linear-gradient(
      to bottom,
      var(--line) 0,
      var(--line) 1px,
      transparent 1px,
      transparent 12px
    );
    background-size: 14px 100%;
    background-repeat: no-repeat;
    opacity: 0.7;
  }

  .about-sec__title {
    font-size: clamp(24px, 2.6vw, 32px);
  }
}

@media (min-width: 1240px) {
  .about-hero__pulse {
    right: clamp(0px, 1vw, 16px);
  }
}