.page-about {
  --about-rule: rgba(233, 180, 76, .3);
  --about-soft: rgba(107, 90, 52, .22);
  background: var(--wk-black);
  color: var(--wk-white);
  overflow-x: clip;
}

/* 首屏 */
.page-about .about-hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: clamp(520px, 82vh, 780px);
  padding: clamp(112px, 20vh, 196px) 0 clamp(38px, 6vw, 72px);
  overflow: hidden;
  isolation: isolate;
}

.page-about .about-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-about .about-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .5;
  filter: saturate(.8) contrast(1.08);
}

.page-about .about-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(11, 14, 18, .62) 0%, rgba(11, 14, 18, .84) 58%, var(--wk-black) 100%),
    linear-gradient(112deg, rgba(11, 14, 18, .94) 12%, rgba(11, 14, 18, .32) 62%, rgba(201, 106, 59, .3) 100%);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: -2%;
  right: -2%;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--wk-gold) 26%, var(--wk-clay) 72%, transparent);
  transform: rotate(-0.7deg);
  transform-origin: left center;
  opacity: .55;
}

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

.page-about .about-crumb {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
  font-family: var(--wk-font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--wk-mist);
}

.page-about .about-crumb a {
  color: var(--wk-sky);
  text-decoration: none;
}

.page-about .about-crumb a:hover {
  color: var(--wk-gold-hi);
}

.page-about .about-hero__title {
  max-width: 16em;
  margin: 12px 0 20px;
  font-size: clamp(32px, 6.4vw, 76px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -.02em;
}

.page-about .about-hero__lead {
  max-width: 34em;
  margin: 0;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.8;
  color: rgba(242, 244, 247, .82);
}

.page-about .about-hero__actions {
  margin-top: clamp(24px, 4vw, 36px);
}

/* 章节骨架 */
.page-about .about-section {
  position: relative;
  padding: clamp(48px, 8vw, 100px) 0;
}

.page-about .about-slant {
  height: 1px;
  margin: 0 3vw;
  background: linear-gradient(90deg, transparent, var(--wk-line), transparent);
  transform: rotate(-0.45deg);
  opacity: .7;
}

.page-about .about-h2,
.page-about .wk-h2 {
  margin: 10px 0 0;
}

.page-about .wk-prose + .wk-prose {
  margin-top: 14px;
}

/* 名字的由来 */
.page-about .about-origin__grid {
  display: grid;
  gap: 22px;
}

.page-about .about-origin__text {
  max-width: 36em;
}

@media (min-width: 900px) {
  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    gap: 56px;
    align-items: start;
  }
}

/* 团队 */
.page-about .about-team__lead {
  max-width: 40em;
  margin: 18px 0 0;
  color: rgba(242, 244, 247, .78);
}

.page-about .about-team__grid {
  display: grid;
  gap: 28px;
  margin-top: clamp(26px, 4vw, 44px);
}

@media (min-width: 960px) {
  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }
}

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

.page-about .about-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--about-soft);
}

.page-about .about-figure__cap {
  display: block;
  margin-top: 12px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--wk-mist);
}

.page-about .about-roles {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-about .about-role {
  padding: 16px 18px;
  background: rgba(20, 26, 34, .72);
  border-left: 2px solid var(--wk-line);
  transition: background .25s var(--wk-ease), border-color .25s var(--wk-ease);
}

.page-about .about-role:hover,
.page-about .about-role:focus-within {
  background: rgba(20, 26, 34, .95);
  border-left-color: var(--wk-gold);
}

.page-about .about-role__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.page-about .about-role__name {
  font-size: 15px;
  font-weight: 600;
}

.page-about .about-role__num {
  font-family: var(--wk-font-mono);
  font-size: 15px;
  color: var(--wk-gold-hi);
}

.page-about .about-role__track {
  display: block;
  height: 8px;
  background: rgba(138, 148, 166, .14);
  overflow: hidden;
}

.page-about .about-role__bar {
  display: block;
  height: 100%;
  width: var(--w, 30%);
  background: linear-gradient(90deg, rgba(233, 180, 76, .38), var(--wk-gold));
  transition: width .6s var(--wk-ease), filter .25s var(--wk-ease);
}

.page-about .about-role--tech .about-role__bar {
  background: linear-gradient(90deg, rgba(79, 163, 199, .34), var(--wk-sky));
}

.page-about .about-role--support .about-role__bar {
  background: linear-gradient(90deg, rgba(201, 106, 59, .34), var(--wk-clay));
}

.page-about .about-role:hover .about-role__bar {
  filter: brightness(1.22);
}

.page-about .about-role__detail {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--wk-mist);
  transition: color .25s var(--wk-ease);
}

.page-about .about-role:hover .about-role__detail {
  color: rgba(242, 244, 247, .9);
}

/* 生产流程 */
.page-about .about-flow__lead {
  max-width: 38em;
  margin: 18px 0 0;
  color: rgba(242, 244, 247, .78);
}

.page-about .about-flow__figure {
  margin: clamp(26px, 4vw, 40px) 0 30px;
  padding: 4px 0 14px;
  overflow-x: auto;
  border-bottom: 1px solid var(--about-soft);
}

.page-about .about-flow__figure svg {
  display: block;
  width: 100%;
  min-width: 620px;
  height: auto;
}

.page-about .about-flow__cap {
  margin: 12px 0 0;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--wk-mist);
}

.page-about .about-flow__steps .wk-expand__item {
  border-bottom: 1px solid var(--about-soft);
}

/* 数字带 */
.page-about .about-board {
  position: relative;
  padding: clamp(44px, 7vw, 84px) 0;
  background: linear-gradient(180deg, #171d26 0%, #10151c 100%);
  border-top: 1px solid var(--wk-hair);
  border-bottom: 1px solid var(--wk-hair);
  overflow: hidden;
}

.page-about .about-board::before {
  content: "";
  position: absolute;
  inset: auto 0 -20% 0;
  height: 140px;
  background: linear-gradient(100deg, rgba(201, 106, 59, .16), transparent 58%);
  pointer-events: none;
}

.page-about .about-stats {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 26px;
}

@media (min-width: 820px) {
  .page-about .about-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }
}

.page-about .about-stat {
  padding: 18px 16px;
  background: rgba(11, 14, 18, .55);
  border: 1px solid var(--about-soft);
}

.page-about .about-stat__num {
  font-family: var(--wk-font-mono);
  font-size: clamp(26px, 3.8vw, 42px);
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--wk-gold-hi);
}

.page-about .about-stat__label {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--wk-mist);
}

.page-about .about-stats__note {
  position: relative;
  max-width: 40em;
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(242, 244, 247, .74);
}

/* 发展节点 */
.page-about .about-milestones__figure {
  margin: clamp(26px, 4vw, 40px) 0 clamp(28px, 4vw, 44px);
}

.page-about .about-milestones__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--about-soft);
}

.page-about .about-milestones__grid {
  display: grid;
  gap: 22px;
}

.page-about .about-years {
  display: flex;
  gap: 22px;
  padding-bottom: 10px;
  overflow-x: auto;
  border-bottom: 1px solid var(--about-soft);
}

.page-about .about-years__item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--wk-font-mono);
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--wk-mist);
  white-space: nowrap;
  transition: color .25s var(--wk-ease);
}

.page-about .about-years__item::before {
  content: "";
  width: 14px;
  height: 1px;
  background: var(--wk-line);
  transition: width .25s var(--wk-ease), background .25s var(--wk-ease);
}

.page-about .about-years__item.is-current {
  color: var(--wk-gold-hi);
}

.page-about .about-years__item.is-current::before,
.page-about .about-years__item:hover::before {
  width: 30px;
  background: var(--wk-gold);
}

.page-about .about-years__item:hover {
  color: var(--wk-gold-hi);
}

@media (min-width: 900px) {
  .page-about .about-milestones__grid {
    grid-template-columns: 128px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-about .about-years {
    position: sticky;
    top: calc(var(--wk-topbar) + 28px);
    flex-direction: column;
    gap: 18px;
    padding-bottom: 0;
    overflow: visible;
    border-bottom: 0;
  }
}

.page-about .about-nodes .wk-expand__item {
  border-bottom: 1px solid var(--about-soft);
}

/* 合作与积累 */
.page-about .about-partners__lead {
  max-width: 44em;
  margin: 18px 0 0;
  color: rgba(242, 244, 247, .78);
}

.page-about .about-partners__grid {
  display: grid;
  gap: 18px;
  margin-top: clamp(24px, 4vw, 38px);
}

@media (min-width: 820px) {
  .page-about .about-partners__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
}

.page-about .about-partner-card {
  padding: 24px 22px 22px;
  background: rgba(20, 26, 34, .76);
  border: 1px solid var(--about-soft);
  border-top: 2px solid var(--wk-gold);
}

.page-about .about-partner-card--sky {
  border-top-color: var(--wk-sky);
}

.page-about .about-partner-card p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(242, 244, 247, .78);
}

.page-about .about-partner-card__link {
  display: inline-block;
  margin-top: 18px;
  font-size: 14px;
}

/* 收口 */
.page-about .about-pledge__list {
  list-style: none;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

@media (min-width: 780px) {
  .page-about .about-pledge__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }
}

.page-about .about-pledge__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 20px 20px 20px 18px;
  background: rgba(20, 26, 34, .62);
  border-left: 2px solid var(--wk-line);
  transition: border-color .25s var(--wk-ease), background .25s var(--wk-ease);
}

.page-about .about-pledge__item:hover {
  border-left-color: var(--wk-gold);
  background: rgba(20, 26, 34, .88);
}

.page-about .about-pledge__idx {
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--wk-gold);
  padding-top: 3px;
}

.page-about .about-pledge__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(242, 244, 247, .78);
}

.page-about .about-pledge__item strong {
  color: var(--wk-white);
  font-weight: 600;
}

.page-about .about-routes {
  display: grid;
  gap: 12px;
  margin-top: clamp(32px, 5vw, 48px);
}

@media (min-width: 700px) {
  .page-about .about-routes {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }
}

.page-about .about-route {
  display: block;
  padding: 18px 16px;
  background: rgba(11, 14, 18, .6);
  border: 1px solid var(--about-soft);
  text-decoration: none;
  color: var(--wk-white);
  transition: border-color .25s var(--wk-ease), transform .25s var(--wk-ease), background .25s var(--wk-ease);
}

.page-about .about-route:hover,
.page-about .about-route:focus-visible {
  border-color: var(--wk-gold);
  background: rgba(20, 26, 34, .9);
  transform: translateY(-3px);
}

.page-about .about-route__label {
  display: block;
  margin-bottom: 8px;
  font-size: 15px;
  font-weight: 600;
}

.page-about .about-route__note {
  display: block;
  font-size: 13px;
  line-height: 1.65;
  color: var(--wk-mist);
}

.page-about .about-outro {
  max-width: 34em;
  margin: clamp(32px, 5vw, 52px) 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(242, 244, 247, .72);
  border-left: 2px solid var(--wk-gold);
  padding-left: 18px;
}

@media (max-width: 480px) {
  .page-about .about-stats {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-about .about-pledge__item {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }
}

.page-about {
  --w: 1rem;
}