.page-about {
  --pa-hair: rgba(26, 21, 18, .16);
  --pa-hair-dark: rgba(169, 189, 184, .28);
  --pa-ink-soft: rgba(26, 21, 18, .8);
  --pa-deep: #082B2C;
  background: var(--dj-cream);
  color: var(--dj-ink);
  overflow-x: hidden;
}

.page-about img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-about .about-h2 {
  font-family: var(--dj-font-display);
  font-weight: 800;
  font-size: clamp(26px, 4.6vw, 40px);
  line-height: 1.1;
  letter-spacing: -.015em;
  margin: 12px 0 14px;
}

/* ---------- 开场 ---------- */
.page-about .about-open {
  background:
    radial-gradient(120% 88% at 84% 4%, rgba(47, 227, 208, .18), transparent 60%),
    linear-gradient(168deg, var(--dj-night) 0%, var(--dj-tide) 58%, var(--pa-deep) 100%);
  color: var(--dj-paper);
  padding-top: 20px;
}

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

.page-about .about-open__lead {
  max-width: 780px;
  padding: 30px 0 44px;
}

.page-about .about-open__lead h1 {
  font-family: var(--dj-font-display);
  font-weight: 900;
  font-size: clamp(32px, 8.4vw, 66px);
  line-height: 1.02;
  letter-spacing: -.025em;
  margin: 14px 0 0;
  color: var(--dj-paper);
}

.page-about .about-open__lede {
  margin: 20px 0 0;
  font-size: 17px;
  line-height: 1.8;
  color: rgba(252, 248, 239, .92);
}

.page-about .about-open__sub {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--dj-mist);
  border-left: 2px solid var(--dj-cyan);
  padding-left: 14px;
}

.page-about .about-open__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-about .about-open__figure {
  margin: 0;
  position: relative;
}

.page-about .about-open__figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(.72) contrast(1.04);
}

@media (min-width: 720px) {
  .page-about .about-open__figure img {
    aspect-ratio: 21 / 9;
  }
}

/* ---------- 起点 ---------- */
.page-about .about-origin__grid {
  display: grid;
  gap: 26px;
}

.page-about .about-origin__body p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--pa-ink-soft);
}

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

.page-about .about-origin__tag {
  background: var(--dj-paper);
  border: 1px solid var(--pa-hair);
  border-left: 4px solid var(--dj-orange);
  padding: 22px 20px;
  box-shadow: var(--dj-shadow-1);
}

.page-about .about-origin__tag .dj-plate__value {
  font-size: clamp(44px, 11vw, 68px);
  line-height: 1;
  color: var(--dj-tide);
  margin: 8px 0 0;
}

.page-about .about-origin__tag-note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(26, 21, 18, .66);
}

@media (min-width: 900px) {
  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    align-items: start;
    gap: 48px;
  }
}

/* ---------- 七年积累 ---------- */
.page-about .about-scale {
  background:
    linear-gradient(180deg, rgba(34, 53, 92, .6) 0%, rgba(13, 27, 51, 0) 52%),
    linear-gradient(180deg, var(--dj-night) 0%, var(--pa-deep) 100%);
}

.page-about .about-scale__head .dj-section-head__meta {
  color: var(--dj-mist);
}

.page-about .about-scale__band {
  display: grid;
  gap: 1px;
  background: var(--pa-hair-dark);
  border: 1px solid var(--pa-hair-dark);
  margin-top: 28px;
}

.page-about .about-scale__cell {
  background: rgba(9, 42, 43, .92);
  padding: 20px 18px 22px;
}

.page-about .about-scale__key {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--dj-mist);
}

.page-about .about-scale__val {
  margin: 0;
  font-family: var(--dj-font-num);
  font-size: clamp(40px, 10vw, 62px);
  line-height: .94;
  color: var(--dj-cyan);
  font-variant-numeric: tabular-nums;
}

.page-about .about-scale__unit {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--dj-mist);
}

.page-about .about-scale__ruler {
  margin-top: 34px;
  border-top: 1px solid var(--pa-hair-dark);
  padding-top: 20px;
}

.page-about .about-scale__ruler-title {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--dj-mist);
}

.page-about .about-scale__ticks {
  list-style: none;
  margin: 0;
  padding: 0 0 10px;
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-about .about-scale__tick {
  flex: 0 0 96px;
  scroll-snap-align: start;
  border-top: 2px solid var(--dj-mist);
  padding: 12px 12px 6px 0;
  transition: border-top-color .2s var(--dj-ease);
}

.page-about .about-scale__year {
  display: block;
  font-family: var(--dj-font-num);
  font-size: 18px;
  font-variant-numeric: tabular-nums;
  color: var(--dj-paper);
  transition: color .2s var(--dj-ease);
}

.page-about .about-scale__note {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--dj-mist);
  opacity: .72;
  transition: opacity .2s var(--dj-ease), color .2s var(--dj-ease);
}

.page-about .about-scale__tick:hover,
.page-about .about-scale__tick:focus-within {
  border-top-color: var(--dj-orange);
}

.page-about .about-scale__tick:hover .about-scale__year,
.page-about .about-scale__tick:focus-within .about-scale__year {
  color: var(--dj-orange);
}

.page-about .about-scale__tick:hover .about-scale__note,
.page-about .about-scale__tick:focus-within .about-scale__note {
  opacity: 1;
  color: var(--dj-cyan);
}

.page-about .about-scale__ruler-foot {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--dj-mist);
}

@media (min-width: 620px) {
  .page-about .about-scale__band {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

  .page-about .about-scale__ticks {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    overflow: visible;
    padding-bottom: 0;
  }

  .page-about .about-scale__tick {
    flex: none;
    padding-right: 16px;
  }
}

/* ---------- 团队 ---------- */
.page-about .about-team__list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-about .about-team__item {
  position: relative;
  background: var(--dj-paper);
  border: 1px solid var(--pa-hair);
  border-top: 3px solid var(--dj-tide);
  padding: 22px 20px 24px;
  box-shadow: var(--dj-shadow-1);
  transition: transform .2s var(--dj-ease), border-top-color .2s var(--dj-ease);
}

.page-about .about-team__item:hover {
  transform: translateY(-2px);
  border-top-color: var(--dj-orange);
}

.page-about .about-team__no {
  display: inline-block;
  font-family: var(--dj-font-num);
  font-size: 13px;
  letter-spacing: .12em;
  font-variant-numeric: tabular-nums;
  color: var(--dj-tide);
  background: rgba(47, 227, 208, .2);
  padding: 3px 9px;
  margin-bottom: 14px;
}

.page-about .about-team__name {
  font-family: var(--dj-font-display);
  font-weight: 800;
  font-size: 21px;
  letter-spacing: -.01em;
  margin: 0 0 10px;
}

.page-about .about-team__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--pa-ink-soft);
}

@media (min-width: 620px) {
  .page-about .about-team__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .page-about .about-team__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 流程 ---------- */
.page-about .about-flow {
  background: var(--dj-paper);
}

.page-about .about-flow__grid {
  display: grid;
  gap: 32px;
}

.page-about .about-flow__track {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.page-about .about-step {
  position: relative;
  background: var(--dj-cream);
  border: 1px solid var(--pa-hair);
}

.page-about .about-step::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 14px;
  right: 14px;
  border-top: 2px dashed rgba(11, 58, 59, .45);
  pointer-events: none;
}

.page-about .about-step__head {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-about .about-step__trigger {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  background: none;
  border: 0;
  padding: 16px 16px;
  font: inherit;
  text-align: left;
  color: inherit;
  cursor: pointer;
  transition: background-color .2s var(--dj-ease);
}

.page-about .about-step__trigger:hover {
  background: rgba(11, 58, 59, .06);
}

.page-about .about-step__index {
  font-family: var(--dj-font-num);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  color: var(--dj-orange);
  letter-spacing: .1em;
  flex: 0 0 auto;
}

.page-about .about-step__label {
  font-family: var(--dj-font-display);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -.01em;
  flex: 1 1 auto;
}

.page-about .about-step__mark {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--dj-tide);
  border-bottom: 2px solid var(--dj-tide);
  transform: rotate(45deg);
  transition: transform .2s var(--dj-ease);
}

.page-about .about-step__trigger[aria-expanded="false"] .about-step__mark {
  transform: rotate(-45deg);
}

.page-about .about-step__panel {
  border-top: 1px dashed var(--pa-hair);
}

.page-about .about-step__panel .dj-disclosure__body {
  padding: 14px 16px 18px;
}

.page-about .about-step__panel p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pa-ink-soft);
}

.page-about .about-step__out {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--dj-tide);
  border-left: 2px solid var(--dj-orange);
  padding-left: 10px;
}

.page-about .dj-disclosure__panel[data-open="false"] {
  display: none;
}

.page-about .about-flow__figure {
  margin: 0;
}

.page-about .about-flow__figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.7) contrast(1.05);
}

@media (min-width: 880px) {
  .page-about .about-flow__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: start;
    gap: 44px;
  }

  .page-about .about-flow__track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
  }
}

/* ---------- 合作与引用 ---------- */
.page-about .about-partner {
  background:
    radial-gradient(90% 70% at 12% 0%, rgba(47, 227, 208, .14), transparent 62%),
    linear-gradient(200deg, var(--dj-tide) 0%, var(--pa-deep) 100%);
  color: var(--dj-paper);
}

.page-about .about-partner__head .dj-section-head__meta {
  color: var(--dj-mist);
}

.page-about .about-partner__grid {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.page-about .about-scene {
  border: 1px solid var(--pa-hair-dark);
  background: rgba(252, 248, 239, .05);
  transition: border-color .2s var(--dj-ease), background-color .2s var(--dj-ease);
}

.page-about .about-scene:hover {
  border-color: rgba(47, 227, 208, .5);
  background: rgba(252, 248, 239, .08);
}

.page-about .about-scene__head {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-about .about-scene__trigger {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  width: 100%;
  background: none;
  border: 0;
  padding: 18px;
  font: inherit;
  text-align: left;
  color: inherit;
  cursor: pointer;
}

.page-about .about-scene__tag {
  flex: 0 0 auto;
}

.page-about .about-scene__title {
  flex: 1 1 200px;
  font-family: var(--dj-font-display);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.35;
  letter-spacing: -.01em;
}

.page-about .about-scene__mark {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--dj-cyan);
  border-bottom: 2px solid var(--dj-cyan);
  transform: rotate(45deg);
  transition: transform .2s var(--dj-ease);
}

.page-about .about-scene__trigger[aria-expanded="false"] .about-scene__mark {
  transform: rotate(-45deg);
}

.page-about .about-scene__panel {
  border-top: 1px solid var(--pa-hair-dark);
}

.page-about .about-scene__panel .dj-disclosure__body {
  padding: 14px 18px 20px;
}

.page-about .about-scene__panel p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(252, 248, 239, .86);
}

.page-about .about-partner__foot {
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--pa-hair-dark);
  font-size: 14px;
  line-height: 1.75;
  color: var(--dj-mist);
}

@media (min-width: 820px) {
  .page-about .about-partner__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 长期维护 ---------- */
.page-about .about-care__grid {
  display: grid;
  gap: 28px;
}

.page-about .about-care__body p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--pa-ink-soft);
}

.page-about .about-care__list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--pa-hair);
  border: 1px solid var(--pa-hair);
}

.page-about .about-care__li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  background: var(--dj-paper);
  padding: 14px 16px;
}

.page-about .about-care__li-key {
  flex: 0 0 auto;
  font-family: var(--dj-font-num);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  letter-spacing: .04em;
  color: var(--dj-tide);
  background: rgba(47, 227, 208, .18);
  padding: 3px 8px;
}

.page-about .about-care__li-val {
  flex: 1 1 160px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--pa-ink-soft);
}

.page-about .about-care__figure {
  margin: 0;
}

.page-about .about-care__figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.68) contrast(1.05);
}

@media (min-width: 900px) {
  .page-about .about-care__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
    gap: 48px;
  }
}

/* ---------- 收束 ---------- */
.page-about .about-close {
  background:
    radial-gradient(100% 90% at 88% 100%, rgba(244, 112, 43, .16), transparent 62%),
    linear-gradient(160deg, var(--dj-night) 0%, #16233B 100%);
  color: var(--dj-paper);
}

.page-about .about-close__inner {
  max-width: 780px;
}

.page-about .about-close__inner p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(252, 248, 239, .86);
}

.page-about .about-close .about-h2 {
  color: var(--dj-paper);
  margin-bottom: 16px;
}

.page-about .about-close__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

@media (prefers-reduced-motion: reduce) {
  .page-about * {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }

  .page-about .about-team__item:hover {
    transform: none;
  }
}