/* ============================================
   品牌历程页（/history/）
   作用域：.page-about
   ============================================ */

.page-about {
  --about-cut: var(--cut);
  background: var(--paper);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 3.6vw, 40px) 0 clamp(40px, 6vw, 76px);
  background: var(--midnight);
  color: var(--paper);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(244, 237, 226, 0.075) 1px, transparent 1px);
  background-size: 5px 5px;
  opacity: 0.85;
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  right: -18%;
  top: -34%;
  width: 68%;
  height: 140%;
  background: radial-gradient(closest-side, rgba(178, 58, 30, 0.5), transparent 72%);
  pointer-events: none;
}

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

.page-about .about-hero .breadcrumb-link {
  color: var(--paper-2);
}

.page-about .about-hero .breadcrumb-link:hover {
  color: var(--neon);
}

.page-about .about-hero .breadcrumb-item[aria-current="page"] {
  color: rgba(244, 237, 226, 0.55);
}

.page-about .about-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: clamp(26px, 4vw, 52px);
  margin-top: clamp(22px, 3vw, 38px);
}

.page-about .about-eyebrow {
  color: var(--amber);
  margin: 0 0 10px;
}

.page-about .about-eyebrow .mono {
  color: var(--neon);
}

.page-about .about-h1 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 5.4vw, 56px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  transform: skewX(-2deg);
  transform-origin: left bottom;
}

.page-about .about-lead {
  max-width: 46ch;
  margin: 0;
  font-size: 17px;
  line-height: 1.85;
  color: rgba(244, 237, 226, 0.8);
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-about .about-btn-ghost {
  border-color: rgba(244, 237, 226, 0.42);
  color: var(--paper);
}

.page-about .about-btn-ghost:hover {
  border-color: var(--neon);
  color: var(--neon);
}

.page-about .about-stat-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 34px;
  margin: 34px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--line-light);
}

.page-about .about-stat {
  min-width: 96px;
}

.page-about .about-stat-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(244, 237, 226, 0.55);
}

.page-about .about-stat-num {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(21px, 2.5vw, 30px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  color: var(--neon);
}

.page-about .about-hero-media {
  margin: 0;
}

.page-about .about-hero-media .media-frame__inner {
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--about-cut)), calc(100% - var(--about-cut)) 100%, 0 100%);
}

.page-about .about-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 主体骨架 ---------- */

.page-about .about-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  padding-block: clamp(30px, 5vw, 64px);
}

.page-about .about-rail {
  margin-bottom: 26px;
}

.page-about .about-rail-inner {
  padding: 16px 0 0;
  border-top: 2px solid var(--clay);
}

.page-about .about-rail-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-about .about-rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px 12px;
}

.page-about .about-rail-link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 10px 8px 12px;
  border-left: 2px solid transparent;
  font-size: 14px;
  line-height: 1.5;
  color: var(--stone);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-about .about-rail-link .mono {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--clay);
}

.page-about .about-rail-link:hover,
.page-about .about-rail-link[aria-current="true"] {
  color: var(--ink);
  border-left-color: var(--clay);
  background: var(--paper-2);
}

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

/* ---------- 章节通用 ---------- */

.page-about .about-chapter {
  position: relative;
  padding-block: clamp(34px, 5vw, 68px);
  border-top: 1px solid var(--line);
  scroll-margin-top: 110px;
}

.page-about .about-chapter:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-about .chapter-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: 22px;
}

.page-about .chapter-year {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--clay);
}

.page-about .chapter-heading .eyebrow {
  margin: 0 0 6px;
  color: var(--stone);
}

.page-about .about-h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.28;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-about .chapter-body {
  min-width: 0;
}

.page-about .about-body {
  max-width: 68ch;
  margin: 0 0 18px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink);
}

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

.page-about .about-body a {
  color: var(--clay);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-about .about-body a:hover {
  color: var(--clay-deep);
}

.page-about .about-note {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 24px 0 0;
  padding: 14px 18px;
  border-left: 3px solid var(--amber);
  background: var(--paper-2);
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

.page-about .about-note .mono {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--clay-deep);
}

/* ---------- 关键节点 ---------- */

.page-about .about-timeline-media {
  margin: 0 0 30px;
}

.page-about .about-timeline-media .media-frame__inner {
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--about-cut) 100%, 0 calc(100% - var(--about-cut)));
}

.page-about .about-timeline-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-about .about-timeline-media .media-frame__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone);
}

.page-about .about-timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--clay) 0%, var(--amber) 60%, var(--neon) 100%);
  transform: skewX(-6deg);
  transform-origin: top center;
}

.page-about .tl-item {
  position: relative;
  padding: 0 0 32px 40px;
}

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

.page-about .tl-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--paper);
  box-shadow: 0 0 0 2px var(--clay);
}

.page-about .tl-year {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--clay);
}

.page-about .tl-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.45;
  color: var(--ink);
}

.page-about .tl-text {
  max-width: 62ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--stone);
}

.page-about .tl-text a {
  color: var(--clay);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 校准流程 ---------- */

.page-about .about-produce {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 38px);
  align-items: start;
}

.page-about .about-produce-text {
  min-width: 0;
}

.page-about .about-flow {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .flow-step {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 18px;
  background: var(--paper-2);
  clip-path: polygon(var(--about-cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--about-cut));
}

.page-about .flow-num {
  padding-top: 3px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--clay);
}

.page-about .flow-title {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.4;
  color: var(--ink);
}

.page-about .flow-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--stone);
}

.page-about .about-produce-media {
  margin: 0;
}

.page-about .about-produce-media .media-frame__inner {
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--about-cut)), calc(100% - var(--about-cut)) 100%, 0 100%);
}

.page-about .about-produce-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 覆盖范围 ---------- */

.page-about .region-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 26px;
  padding: 0;
  list-style: none;
}

.page-about .region-tag {
  padding: 5px 13px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--clay-deep);
  background: rgba(178, 58, 30, 0.08);
  border: 1px solid rgba(178, 58, 30, 0.42);
  clip-path: polygon(7px 0, 100% 0, 100% 100%, 0 100%, 0 7px);
}

.page-about .about-coverage {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .cov-item {
  padding: 20px 18px;
  background: var(--paper);
}

.page-about .cov-num {
  margin: 0;
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  color: var(--clay);
}

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

/* ---------- 团队 ---------- */

.page-about .about-team-panel {
  padding: clamp(22px, 3.4vw, 36px);
}

.page-about .about-team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-about .team-num {
  margin: 0 0 6px;
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--neon);
}

.page-about .team-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.45;
  color: var(--paper);
}

.page-about .team-text {
  max-width: 56ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 237, 226, 0.72);
}

/* ---------- 合作伙伴 ---------- */

.page-about .about-partners {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 8px;
}

.page-about .partner-card {
  padding: 20px 20px 22px;
  background: var(--paper-2);
  border-left: 3px solid var(--amber);
}

.page-about .partner-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.45;
  color: var(--ink);
}

.page-about .partner-count {
  margin: 0 0 8px;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  color: var(--clay);
}

.page-about .partner-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--stone);
}

.page-about .about-body-link {
  max-width: 68ch;
  margin: 22px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink);
}

.page-about .about-body-link a {
  color: var(--clay);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .about-body-link a:hover {
  color: var(--clay-deep);
}

/* ---------- 收尾行动区 ---------- */

.page-about .about-cta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: clamp(28px, 4vw, 48px);
  padding: clamp(24px, 3.4vw, 36px);
  background: linear-gradient(118deg, var(--clay-deep) 0%, var(--clay) 62%, var(--amber) 100%);
  color: var(--paper);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--about-cut)), calc(100% - var(--about-cut)) 100%, 0 100%);
}

.page-about .about-cta-text {
  max-width: 52ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.92);
}

.page-about .about-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 入场动效 ---------- */

.js .page-about .about-chapter[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.js .page-about .about-chapter[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .js .page-about .about-chapter[data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-about .about-rail-link {
    transition: none;
  }

  .page-about .about-h1 {
    transform: none;
  }
}

/* ---------- 响应式 ---------- */

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

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

  .page-about .about-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 768px) {
  .page-about .chapter-head {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 26px;
    align-items: start;
  }

  .page-about .chapter-year {
    padding-top: 4px;
  }

  .page-about .about-team-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px 32px;
  }

  .page-about .team-cell--wide {
    grid-column: 1 / -1;
  }
}

@media (min-width: 860px) {
  .page-about .about-hero-grid {
    grid-template-columns: 5fr 7fr;
  }

  .page-about .about-produce {
    grid-template-columns: 7fr 5fr;
  }

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

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

@media (min-width: 1000px) {
  .page-about .about-shell {
    grid-template-columns: var(--rail) minmax(0, 1fr);
    gap: 0 clamp(28px, 4vw, 56px);
    padding-block: clamp(36px, 5vw, 72px);
  }

  .page-about .about-rail {
    margin-bottom: 0;
  }

  .page-about .about-rail-inner {
    position: sticky;
    top: 112px;
  }

  .page-about .about-rail-list {
    grid-template-columns: 1fr;
    gap: 1px;
  }
}
</｜｜DSML｜｜ parameter>
</invoke>