.page-about {
  background: var(--wk-ink);
  color: var(--wk-cream);
  font-family: var(--wk-font-body);
  overflow-x: hidden;
}

.page-about .wk-container,
.page-about .wk-container--wide {
  max-width: var(--wk-max);
}

/* ---------- 首屏 ---------- */
.page-about .ab-hero {
  position: relative;
  padding: clamp(84px, 13vw, 152px) 0 clamp(48px, 7vw, 88px);
  background:
    radial-gradient(120% 82% at 88% -10%, rgba(242, 183, 5, .12), transparent 58%),
    radial-gradient(90% 60% at 4% 100%, rgba(0, 196, 140, .07), transparent 62%);
  overflow: hidden;
}

.page-about .ab-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(92, 100, 114, .13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(92, 100, 114, .13) 1px, transparent 1px);
  background-size: 76px 76px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), transparent 76%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), transparent 76%);
  pointer-events: none;
}

.page-about .ab-hero > .wk-container {
  position: relative;
  z-index: 1;
}

.page-about .ab-hero__crumb {
  margin-bottom: clamp(28px, 5vw, 48px);
}

.page-about .ab-hero__label {
  margin: 0 0 14px;
  color: var(--wk-gold);
}

.page-about .ab-hero__title {
  margin: 0;
  font-family: var(--wk-font-display);
  font-weight: 900;
  font-size: clamp(46px, 9.4vw, 118px);
  line-height: .96;
  letter-spacing: -.015em;
  color: var(--wk-cream);
  transform: skewY(-1deg);
}

.page-about .ab-hero__title em {
  font-style: normal;
  color: var(--wk-gold);
  -webkit-text-stroke: 1px rgba(242, 183, 5, .28);
}

.page-about .ab-hero__lede {
  max-width: 34em;
  margin: clamp(22px, 3.6vw, 34px) 0 0;
  color: rgba(237, 231, 218, .82);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
}

.page-about .ab-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(38px, 6vw, 64px) 0 0;
  padding: 1px;
  background: var(--wk-line-soft);
  border-top: 2px solid var(--wk-gold);
}

.page-about .ab-hero__stat {
  background: var(--wk-ink);
  padding: 18px 20px 20px;
}

.page-about .ab-hero__stat dt {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--wk-slate);
}

.page-about .ab-hero__stat dd {
  margin: 0;
  font-family: var(--wk-font-num);
  font-size: clamp(20px, 2.6vw, 28px);
  color: var(--wk-gold);
  letter-spacing: .01em;
}

/* ---------- 通用章节 ---------- */
.page-about .ab-position,
.page-about .ab-timeline,
.page-about .ab-production,
.page-about .ab-team,
.page-about .ab-partners {
  padding: clamp(58px, 9vw, 118px) 0;
  position: relative;
}

.page-about .ab-position__lede {
  max-width: 34em;
  margin: 0 0 clamp(34px, 5vw, 56px);
  font-size: clamp(16px, 1.8vw, 19px);
  line-height: 1.85;
  color: rgba(237, 231, 218, .86);
  border-left: 2px solid var(--wk-gold);
  padding-left: 20px;
}

/* ---------- 三类用户 ---------- */
.page-about .ab-roles {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 30px);
}

.page-about .ab-role {
  position: relative;
  background: var(--wk-ink-2);
  border: 1px solid var(--wk-line);
  border-top: 3px solid var(--wk-clay);
  padding: 28px 24px 30px;
  box-shadow: 9px 9px 0 -1px rgba(92, 100, 114, .13);
  transition: transform .3s var(--wk-ease), box-shadow .3s var(--wk-ease), border-top-color .3s var(--wk-ease);
}

.page-about .ab-role:nth-child(2) {
  border-top-color: var(--wk-gold);
}

.page-about .ab-role:nth-child(3) {
  border-top-color: var(--wk-green);
}

.page-about .ab-role:hover {
  transform: translateY(-4px);
  box-shadow: 11px 13px 0 -1px rgba(92, 100, 114, .2);
}

.page-about .ab-role__meta {
  margin: 0 0 14px;
  font-family: var(--wk-font-num);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--wk-slate);
}

.page-about .ab-role__title {
  margin: 0 0 14px;
  font-family: var(--wk-font-display);
  font-weight: 800;
  font-size: clamp(21px, 2.4vw, 26px);
  line-height: 1.3;
  color: var(--wk-cream);
}

.page-about .ab-role__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(237, 231, 218, .74);
}

/* ---------- 时间轴 ---------- */
.page-about .ab-timeline {
  background:
    linear-gradient(180deg, rgba(21, 26, 36, .9) 0%, rgba(11, 14, 20, 1) 100%);
  border-top: 1px solid var(--wk-line-soft);
}

.page-about .ab-timeline__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-about .ab-timeline__index-title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--wk-slate);
  text-transform: uppercase;
}

.page-about .ab-timeline__jumps {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 0 10px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-about .ab-timeline__jump {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 74px;
  padding: 12px 14px;
  border: 1px solid var(--wk-line);
  background: rgba(11, 14, 20, .7);
  color: var(--wk-slate);
  text-decoration: none;
  font-size: 12px;
  letter-spacing: .1em;
  transition: color .24s var(--wk-ease), border-color .24s var(--wk-ease), background .24s var(--wk-ease);
}

.page-about .ab-timeline__jump .wk-num {
  font-family: var(--wk-font-num);
  font-size: 15px;
  letter-spacing: .04em;
}

.page-about .ab-timeline__jump:hover,
.page-about .ab-timeline__jump:focus-visible {
  color: var(--wk-gold);
  border-color: var(--wk-line-gold);
  background: rgba(242, 183, 5, .07);
}

.page-about .ab-stages {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .ab-stage {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  padding: clamp(26px, 4vw, 44px) 0;
  border-top: 1px solid var(--wk-line-soft);
  position: relative;
}

.page-about .ab-stage:last-child {
  border-bottom: 1px solid var(--wk-line-soft);
}

.page-about .ab-stage::before {
  content: "";
  position: absolute;
  left: -1px;
  top: clamp(26px, 4vw, 44px);
  width: 2px;
  height: 40px;
  background: var(--wk-gold);
  opacity: .28;
  transition: opacity .3s var(--wk-ease), height .3s var(--wk-ease);
}

.page-about .ab-stage:hover::before {
  opacity: 1;
  height: 72px;
}

.page-about .ab-stage__mark {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-left: 16px;
}

.page-about .ab-stage__year {
  font-family: var(--wk-font-num);
  font-size: clamp(34px, 5.4vw, 62px);
  line-height: 1;
  letter-spacing: -.02em;
  color: rgba(237, 231, 218, .18);
  transition: color .32s var(--wk-ease);
}

.page-about .ab-stage:hover .ab-stage__year,
.page-about .ab-stage:target .ab-stage__year {
  color: var(--wk-gold);
}

.page-about .ab-stage__tag {
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--wk-clay);
  text-transform: uppercase;
  border: 1px solid rgba(194, 96, 58, .45);
  padding: 3px 8px;
}

.page-about .ab-stage__body {
  padding-left: 16px;
}

.page-about .ab-stage__title {
  margin: 0 0 10px;
  font-family: var(--wk-font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.3vw, 25px);
  line-height: 1.35;
  color: var(--wk-cream);
}

.page-about .ab-stage__body p {
  margin: 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(237, 231, 218, .74);
}

/* ---------- 生产机制 ---------- */
.page-about .ab-production__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4.5vw, 56px);
  align-items: start;
}

.page-about .ab-production__media {
  margin: 0;
  border: 1px solid var(--wk-line);
}

.page-about .ab-production__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .ab-pipeline {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-about .ab-pipeline__step {
  position: relative;
  padding: 0 0 clamp(22px, 3vw, 30px) 0;
  border-bottom: 1px solid var(--wk-line-soft);
  margin-bottom: clamp(22px, 3vw, 30px);
}

.page-about .ab-pipeline__step:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-about .ab-pipeline__no {
  display: block;
  font-family: var(--wk-font-num);
  font-size: 13px;
  letter-spacing: .22em;
  color: var(--wk-gold);
  margin-bottom: 8px;
}

.page-about .ab-pipeline__title {
  margin: 0 0 10px;
  font-family: var(--wk-font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.2vw, 23px);
  color: var(--wk-cream);
}

.page-about .ab-pipeline__step p {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(237, 231, 218, .74);
}

.page-about .ab-details {
  margin-top: clamp(24px, 3.5vw, 36px);
  border: 1px solid var(--wk-line);
  border-left: 3px solid var(--wk-gold);
  background: rgba(21, 26, 36, .8);
}

.page-about .ab-details__summary {
  padding: 16px 20px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--wk-gold);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
}

.page-about .ab-details__summary::-webkit-details-marker {
  display: none;
}

.page-about .ab-details__summary::before {
  content: "＋";
  font-family: var(--wk-font-num);
  font-size: 15px;
  color: var(--wk-clay);
  transition: transform .26s var(--wk-ease);
}

.page-about .ab-details[open] .ab-details__summary::before {
  transform: rotate(45deg);
}

.page-about .ab-details__summary:focus-visible {
  outline: 2px solid var(--wk-gold);
  outline-offset: 2px;
}

.page-about .ab-details__body {
  padding: 0 20px 22px;
  border-top: 1px solid var(--wk-line-soft);
  margin-top: 0;
}

.page-about .ab-details__body p {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(237, 231, 218, .76);
}

/* ---------- 团队 ---------- */
.page-about .ab-team {
  background:
    linear-gradient(180deg, rgba(62, 107, 82, .22) 0%, rgba(62, 107, 82, .07) 100%);
  border-top: 1px solid rgba(62, 107, 82, .5);
  border-bottom: 1px solid rgba(62, 107, 82, .5);
}

.page-about .ab-team__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4.5vw, 56px);
  align-items: center;
}

.page-about .ab-team__note {
  margin: 0 0 clamp(24px, 3.5vw, 36px);
  font-size: 15px;
  line-height: 1.85;
  color: rgba(237, 231, 218, .86);
}

.page-about .ab-roster {
  margin: 0 0 clamp(24px, 3.5vw, 34px);
  padding: 0;
  list-style: none;
}

.page-about .ab-roster__row {
  display: grid;
  grid-template-columns: 6.5em 1fr 3.2em;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px dashed rgba(92, 100, 114, .38);
}

.page-about .ab-roster__row:first-child {
  border-top: 1px dashed rgba(92, 100, 114, .38);
}

.page-about .ab-roster__name {
  font-size: 14px;
  color: var(--wk-cream);
  letter-spacing: .02em;
}

.page-about .ab-roster__track {
  display: block;
  height: 8px;
  background: rgba(11, 14, 20, .8);
  border: 1px solid var(--wk-line);
  position: relative;
  overflow: hidden;
}

.page-about .ab-roster__fill {
  display: block;
  height: 100%;
  width: var(--pct, 0%);
  background: linear-gradient(90deg, var(--wk-gold), var(--wk-gold-l));
}

.page-about .ab-roster__val {
  font-family: var(--wk-font-num);
  font-size: 17px;
  text-align: right;
  color: var(--wk-gold);
}

.page-about .ab-team__tail {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(237, 231, 218, .74);
}

.page-about .ab-team__media {
  margin: 0;
  border: 1px solid rgba(62, 107, 82, .6);
}

.page-about .ab-team__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 协作生态 ---------- */
.page-about .ab-partners__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--wk-line-soft);
  border: 1px solid var(--wk-line-soft);
}

.page-about .ab-partner {
  background: var(--wk-ink);
  padding: clamp(26px, 3.4vw, 38px) clamp(20px, 2.6vw, 30px);
  transition: background .3s var(--wk-ease);
}

.page-about .ab-partner:hover {
  background: var(--wk-ink-2);
}

.page-about .ab-partner__num {
  display: block;
  font-family: var(--wk-font-num);
  font-size: clamp(38px, 5vw, 56px);
  line-height: 1;
  color: var(--wk-gold);
  letter-spacing: -.02em;
  margin-bottom: 16px;
}

.page-about .ab-partner__title {
  margin: 0 0 12px;
  font-family: var(--wk-font-display);
  font-weight: 800;
  font-size: clamp(17px, 2vw, 20px);
  color: var(--wk-cream);
}

.page-about .ab-partner p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(237, 231, 218, .72);
}

.page-about .ab-partners__tail {
  margin: clamp(26px, 4vw, 40px) 0 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(237, 231, 218, .7);
  padding-left: 18px;
  border-left: 2px solid var(--wk-clay);
}

/* ---------- 河南本地 ---------- */
.page-about .ab-henan {
  position: relative;
  padding: clamp(64px, 10vw, 132px) 0;
  overflow: hidden;
  background: var(--wk-ink);
}

.page-about .ab-henan__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-about .ab-henan__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .22;
  filter: saturate(.7) contrast(1.05);
}

.page-about .ab-henan__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(11, 14, 20, .96) 0%, rgba(11, 14, 20, .82) 52%, rgba(11, 14, 20, .94) 100%);
}

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

.page-about .ab-henan__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-about .ab-henan__body p {
  margin: 0 0 18px;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(237, 231, 218, .82);
}

.page-about .ab-henan__facts {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--wk-line-gold);
}

.page-about .ab-henan__fact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--wk-line-soft);
}

.page-about .ab-henan__fact-label {
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--wk-slate);
}

.page-about .ab-henan__fact-value {
  font-family: var(--wk-font-num);
  font-size: 14px;
  line-height: 1.7;
  color: var(--wk-cream);
  word-break: break-word;
}

.page-about .ab-henan__fact-value a {
  color: var(--wk-gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 183, 5, .35);
}

.page-about .ab-henan__fact-value a:hover,
.page-about .ab-henan__fact-value a:focus-visible {
  border-bottom-color: var(--wk-gold);
}

.page-about .ab-henan__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: clamp(32px, 4.5vw, 52px);
}

/* ---------- 下一步 ---------- */
.page-about .ab-next {
  padding: clamp(58px, 8vw, 104px) 0 clamp(64px, 9vw, 120px);
  border-top: 1px solid var(--wk-line-soft);
}

.page-about .ab-next__inner {
  border-left: 3px solid var(--wk-gold);
  padding-left: clamp(20px, 3vw, 36px);
}

.page-about .ab-next__label {
  display: block;
  margin: 0 0 14px;
  color: var(--wk-clay);
}

.page-about .ab-next__title {
  margin: 0 0 clamp(28px, 4vw, 44px);
  font-family: var(--wk-font-display);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.3;
  color: var(--wk-cream);
}

.page-about .ab-next__links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--wk-line-soft);
}

.page-about .ab-next__link {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--wk-ink);
  padding: 22px 22px 24px;
  text-decoration: none;
  transition: background .28s var(--wk-ease), padding-left .28s var(--wk-ease);
  min-height: 44px;
}

.page-about .ab-next__link:hover,
.page-about .ab-next__link:focus-visible {
  background: var(--wk-ink-2);
  padding-left: 30px;
}

.page-about .ab-next__link-title {
  font-family: var(--wk-font-display);
  font-weight: 800;
  font-size: 17px;
  color: var(--wk-gold);
}

.page-about .ab-next__link-desc {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(237, 231, 218, .66);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-about .ab-hero__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .ab-partners__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .ab-next__links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .ab-henan__fact {
    grid-template-columns: 9em 1fr;
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-about .ab-timeline__layout {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: clamp(32px, 4.5vw, 72px);
  }

  .page-about .ab-timeline__index {
    position: sticky;
    top: calc(var(--wk-header-h) + 34px);
  }

  .page-about .ab-timeline__jumps {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-about .ab-timeline__jump {
    min-width: 0;
    flex-direction: row;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    border: none;
    border-left: 2px solid var(--wk-line-soft);
    background: transparent;
    padding: 10px 0 10px 14px;
  }

  .page-about .ab-timeline__jump:hover,
  .page-about .ab-timeline__jump:focus-visible {
    border-left-color: var(--wk-gold);
    background: rgba(242, 183, 5, .05);
  }

  .page-about .ab-stage {
    grid-template-columns: minmax(0, 200px) minmax(0, 1fr);
    gap: clamp(24px, 3.5vw, 52px);
    align-items: start;
  }

  .page-about .ab-stage__mark {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .page-about .ab-roles {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .ab-production__layout,
  .page-about .ab-team__layout,
  .page-about .ab-henan__layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-about .ab-team__layout,
  .page-about .ab-henan__layout {
    align-items: center;
  }

  .page-about .ab-production__media {
    position: sticky;
    top: calc(var(--wk-header-h) + 34px);
  }
}

@media (min-width: 1180px) {
  .page-about .ab-production__layout {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }

  .page-about .ab-team__layout {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .ab-role,
  .page-about .ab-stage__year,
  .page-about .ab-stage::before,
  .page-about .ab-details__summary::before,
  .page-about .ab-next__link,
  .page-about .ab-timeline__jump {
    transition: none;
  }

  .page-about .ab-role:hover {
    transform: none;
  }
}
</main>

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