/* ============ 品牌档案 /story/ ============ */
.page-about {
  --about-rule: #D9CFBE;
  --about-shadow: 4px 4px 0 var(--ink);
  display: block;
}

/* ---------- 面包屑 ---------- */
.page-about .crumbs {
  padding: 20px 0 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--slate);
}
.page-about .crumbs a {
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid var(--about-rule);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.page-about .crumbs a:hover {
  color: var(--amber);
  border-color: var(--amber);
}
.page-about .crumbs__sep {
  margin: 0 8px;
  color: var(--about-rule);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  background: var(--paper);
  padding: 10px 0 34px;
  border-bottom: 3px solid var(--ink);
}
.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3px;
  height: 3px;
  background: linear-gradient(90deg, var(--amber) 0 46%, var(--signal) 46% 62%, var(--teal) 62% 100%);
}
.page-about .about-hero .eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--stamp);
}
.page-about .about-hero h1 {
  margin: 0;
  max-width: 24ch;
  font-family: var(--font-head);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.1;
  font-size: clamp(29px, 6.4vw, 58px);
  color: var(--ink);
}
.page-about .about-hero__lead {
  margin: 18px 0 0;
  max-width: 64ch;
  font-size: clamp(15px, 1.6vw, 17.5px);
  line-height: 1.8;
  color: var(--body-ink);
}

.page-about .hero-facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--about-rule);
  border: 1px solid var(--about-rule);
}
.page-about .hero-facts li {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px 15px 16px;
  background: var(--paper-dim);
}
.page-about .hero-facts__k {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--slate);
}
.page-about .hero-facts__v {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 32px);
  line-height: 1;
  color: var(--ink);
}
.page-about .hero-facts__v i {
  font-style: normal;
  font-size: .44em;
  font-weight: 500;
  margin-left: 4px;
  color: var(--amber);
  letter-spacing: 0;
}

/* ---------- 主布局：侧栏档案索引 + 章节 ---------- */
.page-about .about-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding-top: 26px;
  padding-bottom: 56px;
}

.page-about .tl {
  border: 2px solid var(--ink);
  background: var(--paper-dim);
  padding: 14px;
  box-shadow: var(--about-shadow);
}
.page-about .tl__cap {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--slate);
}
.page-about .tl__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.page-about .tl__list li {
  flex: 0 0 auto;
}
.page-about .tl__list a {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px 13px;
  border: 1px solid var(--about-rule);
  background: var(--paper);
  color: var(--body-ink);
  text-decoration: none;
  font-size: 13px;
  white-space: nowrap;
  transition: border-color .2s var(--ease), color .2s var(--ease), background .2s var(--ease);
}
.page-about .tl__list a:hover {
  border-color: var(--amber);
  color: var(--amber);
}
.page-about .tl__no {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--amber);
}
.page-about .tl__note {
  margin: 12px 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--about-rule);
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--slate);
}
.page-about .tl__note strong {
  color: var(--signal);
  font-weight: 700;
}

/* ---------- 章节 ---------- */
.page-about .ch {
  margin-bottom: 54px;
}
.page-about .ch:last-child {
  margin-bottom: 0;
}

.page-about .sec-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  margin-bottom: 20px;
  padding-top: 16px;
  border-top: 3px solid var(--ink);
}
.page-about .sec-head__no {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(38px, 8vw, 60px);
  line-height: .88;
  letter-spacing: -0.05em;
  color: var(--amber);
}
.page-about .sec-head__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.24;
  font-size: clamp(21px, 3.4vw, 31px);
  color: var(--ink);
}
.page-about .sec-head__lead {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
}

.page-about .ch__body p {
  margin: 0 0 16px;
  max-width: 72ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--body-ink);
}
.page-about .ch__body p:last-child {
  margin-bottom: 0;
}
.page-about .ch__body a {
  color: var(--stamp);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
.page-about .ch__body a:hover {
  color: var(--signal);
}

/* 三层校订卡片 */
.page-about .tier-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 0 0 26px;
}
.page-about .tier {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 16px 16px 18px;
  border: 2px solid var(--ink);
  background: var(--paper-dim);
  box-shadow: var(--about-shadow);
  transition: transform .24s var(--ease), border-color .24s var(--ease), box-shadow .24s var(--ease);
}
.page-about .tier:hover {
  transform: translateY(-2px);
  border-color: var(--amber-lt);
  box-shadow: 6px 6px 0 var(--ink);
}
.page-about .tier .tag {
  align-self: flex-start;
}
.page-about .tier__cycle {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--slate);
}
.page-about .tier h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  letter-spacing: -0.01em;
  font-size: 18px;
  color: var(--ink);
}
.page-about .tier p:last-child {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--body-ink);
}

/* 图片容器 */
.page-about .shot {
  margin: 0 0 26px;
  border: 2px solid var(--ink);
  background: var(--paper-dim);
  box-shadow: var(--about-shadow);
  overflow: hidden;
}
.page-about .shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-about .shot figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--about-rule);
  background: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--slate);
}
.page-about .ch__body .shot {
  margin-top: 24px;
}
.page-about .ch__body .shot:last-child {
  margin-bottom: 0;
}

/* 三地仓储 */
.page-about .lane-svg {
  display: block;
  width: 100%;
  height: auto;
  max-height: 76px;
  margin: 4px 0 14px;
}
.page-about .wh-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 0 0 24px;
}
.page-about .wh {
  padding: 16px 16px 18px;
  border: 2px solid var(--ink);
  background: var(--paper);
  box-shadow: var(--about-shadow);
  border-left-width: 8px;
  border-left-color: var(--amber);
  transition: transform .24s var(--ease), border-left-color .24s var(--ease);
}
.page-about .wh:hover {
  transform: translateY(-2px);
  border-left-color: var(--signal);
}
.page-about .wh__city {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--slate);
}
.page-about .wh__name {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.page-about .wh p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--body-ink);
}
.page-about .wh__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--stamp);
}

/* 数据条组 */
.page-about .figure-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  margin: 0 0 24px;
  background: var(--ink);
  border: 2px solid var(--ink);
}
.page-about .figure {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 16px 18px;
  background: var(--ink);
}
.page-about .figure__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(26px, 4.4vw, 40px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--amber-lt);
}
.page-about .figure__lbl {
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--paper);
  opacity: .82;
}

/* 团队区 */
.page-about .team-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}
.page-about .team-block__text p:last-child {
  margin-bottom: 0;
}
.page-about .shot--tall {
  margin: 0;
}
.page-about .shot--tall img {
  max-height: 520px;
  object-fit: cover;
}

/* 荣誉 -->
  使用 details/summary 做展开，无脚本时内容可读 */
.page-about .honor-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 24px 0 14px;
}
.page-about .honor {
  border: 2px solid var(--ink);
  background: var(--paper);
  box-shadow: var(--about-shadow);
  transition: border-color .24s var(--ease), transform .24s var(--ease);
}
.page-about .honor:hover {
  border-color: var(--amber-lt);
  transform: translateY(-2px);
}
.page-about .honor summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 15.5px;
  color: var(--ink);
}
.page-about .honor summary::-webkit-details-marker {
  display: none;
}
.page-about .honor__mark {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border: 2px solid var(--amber);
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}
.page-about .honor__title {
  flex: 1 1 auto;
}
.page-about .honor__arrow {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--slate);
  transition: transform .24s var(--ease), color .24s var(--ease);
}
.page-about .honor[open] .honor__arrow {
  transform: rotate(45deg);
  color: var(--signal);
}
.page-about .honor p {
  margin: 0;
  padding: 0 16px 16px 54px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--body-ink);
}
.page-about .honor-note {
  margin: 0;
  padding-left: 12px;
  border-left: 3px solid var(--amber);
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--slate);
}

/* 规划清单 */
.page-about .plan-list {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--about-rule);
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
}
.page-about .plan-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  background: var(--paper);
}
.page-about .plan-list__no {
  padding: 2px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--signal);
}
.page-about .plan-list h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.page-about .plan-list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--body-ink);
}

/* CTA */
.page-about .cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-about .cta-note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}

/* 底部档案条 */
.page-about .about-archive {
  border-top: 3px solid var(--ink);
  background: var(--paper-dim);
}
.page-about .about-archive__in {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 22px;
  padding-top: 20px;
  padding-bottom: 24px;
}
.page-about .about-archive__stamp {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--stamp);
  padding: 5px 10px;
  border: 1px solid var(--stamp);
}
.page-about .about-archive__note {
  flex: 1 1 260px;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--slate);
}

/* 滚动进入 */
.page-about [data-reveal] {
  transition: opacity .32s var(--ease), transform .32s var(--ease);
}
.js-ready .page-about [data-reveal]:not(.is-in) {
  opacity: 0;
  transform: translateX(-14px);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-about .hero-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-about .tier-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-about .wh-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-about .honor-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-about .shot--tall img {
    max-height: 620px;
  }
}

@media (min-width: 860px) {
  .page-about .team-block {
    grid-template-columns: minmax(0, 1fr) minmax(0, 330px);
    align-items: start;
    gap: 30px;
  }
  .page-about .team-block__text p:first-child {
    margin-top: 0;
  }
}

@media (min-width: 1000px) {
  .page-about .about-body {
    grid-template-columns: 218px minmax(0, 1fr);
    gap: 60px;
    padding-top: 42px;
    padding-bottom: 88px;
  }
  .page-about .tl {
    position: sticky;
    top: calc(var(--head-h) + 30px);
    border: 0;
    background: transparent;
    box-shadow: none;
    padding: 0;
  }
  .page-about .tl__list {
    display: block;
    overflow: visible;
    margin: 0;
    padding: 0 0 0 18px;
    border-left: 2px solid var(--about-rule);
  }
  .page-about .tl__list li {
    margin: 0 0 2px;
  }
  .page-about .tl__list a {
    position: relative;
    width: 100%;
    padding: 9px 10px;
    border: 0;
    background: transparent;
    white-space: normal;
    line-height: 1.4;
  }
  .page-about .tl__list a::before {
    content: "";
    position: absolute;
    left: -25px;
    top: 50%;
    width: 12px;
    height: 12px;
    margin-top: -6px;
    border-radius: 50%;
    background: var(--paper);
    border: 2px solid var(--amber);
    transition: transform .24s var(--ease), background .24s var(--ease), border-color .24s var(--ease);
  }
  .page-about .tl__list a:hover {
    background: var(--paper-dim);
    color: var(--ink);
  }
  .page-about .tl__list a:hover::before {
    background: var(--amber-lt);
    border-color: var(--signal);
    transform: scale(1.35);
  }
  .page-about .sec-head {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 8px 24px;
    align-items: start;
    margin-bottom: 24px;
  }
  .page-about .sec-head__no {
    grid-row: 1 / span 2;
  }
  .page-about .sec-head__no,
  .page-about .sec-head__body {
    grid-column: auto;
  }
  .page-about .sec-head__body {
    grid-column: 2;
  }
  .page-about .plan-list li {
    grid-template-columns: 64px minmax(0, 1fr);
    padding: 18px 0;
  }
}

@media (min-width: 1200px) {
  .page-about .about-body {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 76px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .tier,
  .page-about .wh,
  .page-about .honor,
  .page-about .tl__list a::before,
  .page-about [data-reveal] {
    transition: none !important;
    transform: none !important;
  }
  .js-ready .page-about [data-reveal]:not(.is-in) {
    opacity: 1;
    transform: none;
  }
}
<<<END>>>