.page-about {
  --about-panel: var(--paper);
  --about-soft: rgba(255, 252, 245, .72);
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* 首屏 */
.page-about .about-hero {
  position: relative;
  background: var(--indigo-deep);
  color: var(--paper);
  padding: 40px 0 0;
  overflow: hidden;
}
.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(to right, rgba(235, 217, 160, .10) 0 1px, transparent 1px 84px),
    repeating-linear-gradient(to bottom, rgba(235, 217, 160, .10) 0 1px, transparent 1px 84px);
  pointer-events: none;
}
.page-about .about-hero > .wrap {
  position: relative;
  z-index: 1;
}
.page-about .about-hero .eyebrow {
  color: var(--gold-soft);
  margin-top: 22px;
}
.page-about .about-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7.2vw, 58px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--paper);
  margin: 12px 0 0;
  max-width: 20em;
}
.page-about .about-hero__lede {
  margin: 20px 0 0;
  max-width: 40em;
  color: var(--about-soft);
  font-size: 17px;
  line-height: 1.8;
}
.page-about .about-hero__facts {
  list-style: none;
  margin: 42px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line-invert);
  border-left: 1px solid var(--line-invert);
}
.page-about .about-hero__facts li {
  padding: 18px 16px 20px;
  border-right: 1px solid var(--line-invert);
  border-bottom: 1px solid var(--line-invert);
}
.page-about .about-hero__facts .stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 4.2vw, 30px);
  font-weight: 600;
  color: var(--gold-soft);
  letter-spacing: .01em;
}
.page-about .about-hero__facts .stat__cap {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--paper-62);
}

/* 通用章节 */
.page-about .about-section {
  padding: 52px 0;
}
.page-about h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 4.4vw, 38px);
  line-height: 1.2;
  margin: 10px 0 0;
}
.page-about .prose p {
  margin: 0 0 18px;
  max-width: 40em;
  font-size: 17px;
  line-height: 1.8;
}
.page-about .prose p:last-child {
  margin-bottom: 0;
}
.page-about .section-head {
  max-width: 44em;
}
.page-about .section-head h2 {
  margin-top: 10px;
}

/* 左右错栏 */
.page-about .about-split {
  display: grid;
  gap: 24px;
}
.page-about .about-split__aside h2 {
  max-width: 14em;
}
.page-about .about-origin {
  background: var(--cream);
}
.page-about .about-origin .about-split__aside {
  border-top: 3px solid var(--gold);
  padding-top: 18px;
}

/* 时间轴 */
.page-about .about-time {
  background: var(--paper);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-about .about-time__aside {
  border-top: 3px solid var(--indigo);
  padding-top: 18px;
}
.page-about .about-time__figure {
  margin: 26px 0 0;
  border: 1px solid var(--line);
  background: var(--cream);
}
.page-about .about-time__figure img {
  display: block;
  width: 100%;
  height: auto;
}
.page-about .about-time__figure .media__caption {
  padding: 10px 12px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.6;
  color: var(--stone);
}
.page-about .tl {
  list-style: none;
  margin: 4px 0 0;
  padding: 0 0 0 24px;
  border-left: 1px solid var(--line-strong);
}
.page-about .tl__item {
  position: relative;
  padding: 0 0 30px;
}
.page-about .tl__item:last-child {
  padding-bottom: 0;
}
.page-about .tl__item::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 10px;
  width: 9px;
  height: 9px;
  background: var(--gold);
  transition: background .2s var(--ease), box-shadow .2s var(--ease);
}
.page-about .tl__item[data-visible]::before {
  background: var(--coral);
  box-shadow: 0 0 0 5px rgba(232, 102, 61, .16);
}
.page-about .tl__year {
  display: block;
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 600;
  line-height: 1.1;
  color: var(--indigo);
  letter-spacing: .02em;
}
.page-about .tl__title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  margin: 6px 0 6px;
}
.page-about .tl__item p {
  margin: 0;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
}

/* 团队 */
.page-about .about-team {
  background: var(--cream);
}
.page-about .about-team__lede {
  margin: 14px 0 0;
  max-width: 38em;
  font-size: 17px;
  line-height: 1.8;
  color: var(--stone);
}
.page-about .about-team__figure {
  margin: 30px 0 0;
  border: 1px solid var(--line);
  background: var(--paper);
}
.page-about .about-team__figure img {
  display: block;
  width: 100%;
  height: auto;
}
.page-about .about-team__figure .media__caption {
  padding: 10px 12px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--stone);
}
.page-about .table-scroll {
  margin-top: 28px;
  overflow-x: auto;
}
.page-about .roster {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 15px;
}
.page-about .roster thead th {
  background: var(--clay);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  text-align: left;
  padding: 12px 14px;
}
.page-about .roster td {
  padding: 14px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  line-height: 1.7;
}
.page-about .roster td:first-child {
  font-weight: 700;
  white-space: nowrap;
}
.page-about .roster td:nth-child(2) {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--indigo);
}
.page-about .roster tbody tr:nth-child(even) td {
  background: rgba(79, 107, 82, .06);
}
.page-about .about-team__sub {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin: 38px 0 0;
}
.page-about .about-team__hint {
  margin: 8px 0 0;
  font-size: 13px;
  color: var(--stone);
}
.page-about .pipe {
  list-style: none;
  margin: 18px 0 0;
  padding: 20px 0 6px;
  border-top: 1px solid var(--line-strong);
  display: flex;
  gap: 18px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
}
.page-about .pipe:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 4px;
}
.page-about .pipe__step {
  flex: 0 0 208px;
  scroll-snap-align: start;
  border-left: 2px solid var(--gold-soft);
  padding: 2px 0 2px 12px;
}
.page-about .pipe__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--clay);
}
.page-about .pipe__name {
  display: block;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  margin: 6px 0 5px;
}
.page-about .pipe__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--stone);
}

/* 老用户专区 */
.page-about .about-loyal {
  background: var(--gold-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-about .about-loyal__grid {
  display: grid;
  gap: 24px;
}
.page-about .about-loyal__lead .tag {
  display: inline-block;
  margin-bottom: 14px;
}
.page-about .about-loyal__lead h2 {
  max-width: 16em;
  color: var(--ink);
}
.page-about .about-loyal__list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  border-top: 1px solid rgba(20, 22, 26, .22);
}
.page-about .about-loyal__list li {
  padding: 12px 0;
  border-bottom: 1px solid rgba(20, 22, 26, .16);
  font-size: 16px;
  line-height: 1.7;
}
.page-about .about-loyal__k {
  display: inline-block;
  min-width: 5.5em;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--clay);
}
.page-about .about-loyal__note {
  margin: 18px 0 0;
  font-size: 14px;
  color: #4a4d52;
  max-width: 40em;
}

/* 服务地区 */
.page-about .about-region {
  background: var(--cream);
}
.page-about .about-region__figure {
  margin: 0 0 34px;
  border: 1px solid var(--line);
  background: var(--paper);
}
.page-about .about-region__figure img {
  display: block;
  width: 100%;
  height: auto;
}
.page-about .about-region__figure .media__caption {
  padding: 10px 12px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--stone);
}
.page-about .region {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-about .region__item {
  position: relative;
  background: var(--cream);
  padding: 16px 18px 18px;
}
.page-about .region__item:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: -2px;
}
.page-about .region__name {
  display: block;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
}
.page-about .region__level {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--moss);
}
.page-about .region__tip {
  position: absolute;
  left: 12px;
  right: 12px;
  top: calc(100% - 6px);
  z-index: 3;
  background: var(--indigo-deep);
  color: var(--paper);
  font-size: 13px;
  line-height: 1.65;
  padding: 10px 12px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .18s var(--ease), visibility .18s var(--ease);
}
.page-about .region__item:hover .region__tip,
.page-about .region__item:focus-within .region__tip,
.page-about .region__item:focus .region__tip {
  opacity: 1;
  visibility: visible;
}

/* 出品方式 */
.page-about .about-standard {
  background: var(--paper);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-about .std {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-about .std__item {
  background: var(--paper);
  padding: 22px 20px 24px;
}
.page-about .std__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--clay);
}
.page-about .std__item h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  margin: 8px 0 6px;
}
.page-about .std__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

/* 下一步 */
.page-about .about-next {
  background: var(--indigo);
  color: var(--paper);
}
.page-about .about-next .eyebrow {
  color: var(--gold-soft);
}
.page-about .about-next h2 {
  color: var(--paper);
  max-width: 18em;
}
.page-about .about-next__grid {
  margin-top: 28px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-invert);
  border: 1px solid var(--line-invert);
}
.page-about .about-next__link {
  display: block;
  background: var(--indigo);
  padding: 22px 20px 24px;
  color: var(--paper);
  text-decoration: none;
  border-top: 2px solid transparent;
  transition: border-color .18s var(--ease), background .18s var(--ease);
}
.page-about .about-next__link:hover,
.page-about .about-next__link:focus-visible {
  border-top-color: var(--coral);
  background: var(--indigo-deep);
}
.page-about .about-next__link:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: -2px;
}
.page-about .about-next__label {
  display: block;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
}
.page-about .about-next__desc {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper-62);
}

/* 平板与桌面 */
@media (min-width: 700px) {
  .page-about .about-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-about .region {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-about .std {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-about .about-next__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-about .tl {
    padding-left: 32px;
  }
  .page-about .tl__item::before {
    left: -37px;
  }
  .page-about .tl__year {
    font-size: 34px;
  }
  .page-about .tl__title {
    font-size: 19px;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    padding-top: 64px;
  }
  .page-about .about-section {
    padding: 78px 0;
  }
  .page-about .about-split {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    column-gap: 56px;
    align-items: start;
  }
  .page-about .about-split--wide {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    column-gap: 48px;
  }
  .page-about .about-time__aside {
    position: sticky;
    top: 96px;
  }
  .page-about .about-loyal__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    column-gap: 56px;
    align-items: start;
  }
  .page-about .about-region__figure {
    margin-bottom: 46px;
  }
}

@media (min-width: 1000px) {
  .page-about .about-next__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .tl__item::before,
  .page-about .region__tip,
  .page-about .about-next__link {
    transition: none;
  }
}