.page-about {
  --about-rail-w: 236px;
  --about-rule: rgba(27, 58, 47, .16);
  --about-body-text: #2C3A33;
  background: var(--paper);
  color: var(--ink);
}

/* 面包屑 */
.page-about .about-crumbs {
  background: var(--pulp);
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
}
.page-about .about-crumbs .crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--moss);
}
.page-about .about-crumbs .crumbs a {
  color: var(--ice-deep);
  text-decoration: none;
}
.page-about .about-crumbs .crumbs a:hover {
  text-decoration: underline;
}

/* 首屏 */
.page-about .about-hero {
  padding: clamp(36px, 6vw, 72px) 0 clamp(28px, 4vw, 48px);
}
.page-about .about-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  grid-template-columns: 1fr;
}
.page-about .about-hero__title {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(32px, 6vw, 64px);
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--fir);
  margin: 16px 0 0;
}
.page-about .about-hero__intro {
  max-width: 640px;
  margin: 20px 0 0;
  font-size: 17px;
  line-height: 1.78;
  color: var(--about-body-text);
}
.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.page-about .about-facts {
  background: var(--paper);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-paper);
  padding: 16px 18px 12px;
}
.page-about .about-facts__head {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--ice-deep);
  text-transform: uppercase;
}
.page-about .about-facts .console__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 0;
  border-top: 1px dashed var(--about-rule);
  font-size: 14px;
}
.page-about .about-facts .console__row:first-of-type {
  border-top: 0;
}
.page-about .about-facts .console__key {
  color: var(--moss);
}
.page-about .about-facts .console__val {
  font-weight: 900;
  color: var(--maple);
  white-space: nowrap;
}

/* 主体双栏 */
.page-about .about-body {
  padding: 0 0 clamp(48px, 7vw, 88px);
}
.page-about .about-body__grid {
  display: grid;
  gap: clamp(28px, 3.5vw, 52px);
  grid-template-columns: 1fr;
}
.page-about .about-body__main {
  min-width: 0;
}

/* 章节通用 */
.page-about .about-sec {
  padding-top: clamp(34px, 5vw, 56px);
  border-top: 1px solid var(--about-rule);
  scroll-margin-top: 76px;
}
.page-about .about-body__main > .about-sec:first-child {
  padding-top: 0;
  border-top: 0;
}
.page-about .about-sec__title {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.24;
  color: var(--fir);
  margin: 12px 0 0;
  max-width: 24ch;
}
.page-about .about-sec__prose {
  margin-top: 20px;
}
.page-about .about-sec__prose p {
  color: var(--about-body-text);
}
.page-about .about-sec__prose strong {
  color: var(--fir);
}

/* 角色条 */
.page-about .about-role__strip {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--about-rule);
  border: 1px solid var(--about-rule);
  grid-template-columns: 1fr;
}
.page-about .about-role__strip li {
  background: var(--paper);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.page-about .about-role__num {
  font-size: 12px;
  color: var(--ice-deep);
  letter-spacing: .1em;
}
.page-about .about-role__name {
  font-weight: 900;
  font-size: 17px;
  color: var(--fir);
}
.page-about .about-role__desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--moss);
}

/* 产地合作 */
.page-about .about-origin__lead {
  display: grid;
  gap: 24px;
  margin-top: 20px;
}
.page-about .about-origin__lead .prose p {
  color: var(--about-body-text);
}
.page-about .about-origin__fig {
  margin: 0;
}
.page-about .about-origin__fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border: 1px solid var(--line-strong);
}
.page-about .about-origin__fig .media__caption {
  margin-top: 8px;
  font-size: 13px;
  color: var(--moss);
}

.page-about .about-origin__filter {
  margin-top: 28px;
}
.page-about .about-origin__cards {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}
.page-about .about-origin__card {
  padding: 18px 18px 16px;
  background: #fff;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border: 1px solid var(--line-strong);
}
.page-about .about-origin__card[hidden] {
  display: none;
}
.page-about .about-origin__card .tag {
  align-self: flex-start;
}
.page-about .about-origin__name {
  margin: 0;
  font-size: 18px;
  font-weight: 900;
  color: var(--fir);
  line-height: 1.35;
}
.page-about .about-origin__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--about-body-text);
}
.page-about .about-origin__meta {
  margin: auto 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--about-rule);
  font-size: 12px;
  color: var(--ice-deep);
}

/* 仓储履约 */
.page-about .about-logi__fig {
  margin: 24px 0 0;
}
.page-about .about-logi__fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 6;
  object-fit: cover;
  border: 1px solid var(--line-strong);
}
.page-about .about-logi__fig .media__caption {
  margin-top: 8px;
  font-size: 13px;
  color: var(--moss);
}
.page-about .about-logi__list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}
.page-about .about-logi__item {
  padding: 18px;
  background: var(--paper);
  border: 1px solid var(--line-strong);
}
.page-about .about-logi__city {
  margin: 0;
  font-size: 22px;
  font-weight: 900;
  color: var(--fir);
}
.page-about .about-logi__role {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--about-body-text);
}
.page-about .about-logi__meta {
  margin: 12px 0 0;
  font-size: 12px;
  color: var(--ice-deep);
}

/* 服务团队 */
.page-about .about-team__stats {
  margin-top: 24px;
  display: grid;
  gap: 1px;
  background: var(--about-rule);
  border: 1px solid var(--about-rule);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.page-about .about-team__stat {
  background: var(--fir);
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.page-about .about-team__num {
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 900;
  color: var(--paper);
  line-height: 1;
}
.page-about .about-team__unit {
  font-size: 13px;
  color: var(--ice);
}
.page-about .about-team__label {
  margin-top: 6px;
  font-size: 13px;
  color: rgba(247, 244, 239, .7);
}

/* 发展时间轴 */
.page-about .about-timeline {
  position: relative;
  margin-top: clamp(40px, 5vw, 60px);
  padding: clamp(26px, 4vw, 44px) clamp(18px, 3vw, 32px);
  background: var(--fir);
  border: 1px solid var(--line-strong);
  overflow: hidden;
  scroll-margin-top: 76px;
}
.page-about .about-timeline__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.page-about .about-timeline__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .16;
}
.page-about .about-timeline__head,
.page-about .about-timeline__track {
  position: relative;
  z-index: 1;
}
.page-about .about-timeline .eyebrow {
  color: var(--ice);
}
.page-about .about-timeline .about-sec__title {
  color: var(--paper);
  max-width: 22ch;
}
.page-about .about-timeline__track {
  list-style: none;
  margin: 30px 0 0;
  padding: 0 0 10px;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(190px, 1fr);
  gap: 22px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
}
.page-about .about-timeline__node {
  position: relative;
  padding-top: 26px;
  border-top: 2px solid rgba(247, 244, 239, .22);
  scroll-snap-align: start;
  transition: border-color var(--dur);
}
.page-about .about-timeline__node::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ice);
  border: 2px solid var(--fir);
  transition: background var(--dur), transform var(--dur);
}
.page-about .about-timeline__node:hover,
.page-about .about-timeline__node:focus-within {
  border-top-color: var(--maple);
}
.page-about .about-timeline__node:hover::before,
.page-about .about-timeline__node:focus-within::before {
  background: var(--maple);
  transform: scale(1.25);
}
.page-about .about-timeline__phase {
  margin: 0;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--ice);
}
.page-about .about-timeline__label {
  margin: 8px 0 0;
  font-size: 17px;
  font-weight: 900;
  color: var(--paper);
  line-height: 1.35;
}
.page-about .about-timeline__note {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.68;
  color: rgba(247, 244, 239, .74);
}

/* 品质与合规 */
.page-about .about-acc {
  margin-top: 24px;
  display: grid;
  gap: 10px;
}
.page-about .about-acc__item {
  background: #fff;
  border: 1px solid var(--line-strong);
  box-shadow: 4px 4px 0 var(--pulp);
}
.page-about .about-acc__summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  font-size: 16px;
  font-weight: 900;
  color: var(--fir);
}
.page-about .about-acc__summary::-webkit-details-marker {
  display: none;
}
.page-about .about-acc__summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--maple);
}
.page-about .about-acc__item[open] .about-acc__summary::after {
  content: "–";
}
.page-about .about-acc__body {
  padding: 14px 18px 18px;
  border-top: 1px dashed var(--about-rule);
}
.page-about .about-acc__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--about-body-text);
}

/* 结尾 */
.page-about .about-cta {
  margin-top: clamp(36px, 5vw, 56px);
  padding: clamp(24px, 3.5vw, 40px);
  background: var(--pulp);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-paper);
}
.page-about .about-cta__title {
  margin: 0;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 900;
  color: var(--fir);
  line-height: 1.28;
}
.page-about .about-cta__text {
  margin: 14px 0 22px;
  max-width: 620px;
  font-size: 16px;
  line-height: 1.76;
  color: var(--about-body-text);
}
.page-about .about-cta__alt {
  margin: 16px 0 0;
  font-size: 14px;
  color: var(--moss);
}

/* 右侧索引 */
.page-about .about-rail {
  order: -1;
  border-top: 2px solid var(--fir);
  padding-top: 14px;
}
.page-about .about-rail__title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--ice-deep);
}
.page-about .about-rail__list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
}
.page-about .about-rail__list li {
  flex: none;
}
.page-about .about-rail__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  font-size: 14px;
  color: var(--fir);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--dur), color var(--dur);
}
.page-about .about-rail__list a:hover {
  border-color: var(--maple);
  color: var(--maple);
}
.page-about .about-rail__idx {
  font-size: 11px;
  color: var(--ice-deep);
}
.page-about .about-rail__note {
  display: none;
  margin-top: 22px;
}

/* 平板与桌面 */
@media (min-width: 640px) {
  .page-about .about-role__strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-about .about-origin__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-about .about-logi__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-about .about-team__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 800px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(240px, .85fr);
    align-items: start;
  }
  .page-about .about-origin__lead {
    grid-template-columns: minmax(0, 1fr) 280px;
    align-items: start;
    gap: 32px;
  }
}

@media (min-width: 1000px) {
  .page-about .about-body__grid {
    grid-template-columns: minmax(0, 1fr) var(--about-rail-w);
  }
  .page-about .about-rail {
    order: 0;
    position: sticky;
    top: 76px;
    align-self: start;
    border-top: 2px solid var(--fir);
  }
  .page-about .about-rail__list {
    flex-direction: column;
    overflow: visible;
    gap: 0;
  }
  .page-about .about-rail__list li + li {
    border-top: 1px solid var(--about-rule);
  }
  .page-about .about-rail__list a {
    border: 0;
    background: transparent;
    padding: 10px 4px 10px 12px;
    position: relative;
    white-space: normal;
  }
  .page-about .about-rail__list a::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 5px;
    height: 5px;
    margin-top: -2.5px;
    border-radius: 50%;
    background: var(--ice);
  }
  .page-about .about-rail__list a:hover::before {
    background: var(--maple);
  }
  .page-about .about-rail__note {
    display: block;
  }
  .page-about .about-origin__cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-timeline__node,
  .page-about .about-timeline__node::before,
  .page-about .about-rail__list a {
    transition-duration: .01ms;
  }
  .page-about .about-timeline__node:hover::before,
  .page-about .about-timeline__node:focus-within::before {
    transform: none;
  }
}