.page-about {
  position: relative;
  overflow-x: clip;
}

/* ---------- 面包屑与章节跳转 ---------- */
.page-about .yk-crumbs {
  margin-top: 24px;
}

.page-about .about-jump {
  display: flex;
  gap: 8px;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-about .about-jump::-webkit-scrollbar {
  display: none;
}

.page-about .about-jump a {
  flex: 0 0 auto;
  padding: 7px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--dim);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--t-fast), background-color var(--t-fast), border-color var(--t-fast);
}

.page-about .about-jump a:hover,
.page-about .about-jump a:focus-visible {
  color: var(--ink);
  background: var(--lime);
  border-color: var(--lime);
}

.page-about .about-jump a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding-top: clamp(28px, 4vw, 52px);
  padding-bottom: clamp(40px, 6vw, 76px);
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: -30%;
  left: 50%;
  width: 62%;
  height: 150%;
  background: linear-gradient(118deg, transparent 0%, rgba(47, 227, 196, 0.08) 40%, rgba(182, 255, 59, 0.06) 58%, transparent 100%);
  transform: rotate(-12deg);
  pointer-events: none;
  z-index: 0;
}

.page-about .about-hero .yk-container {
  position: relative;
  z-index: 1;
}

.page-about .about-hero__grid {
  display: grid;
  gap: 36px;
}

.page-about .about-hero__title {
  margin: 18px 0 0;
  letter-spacing: -0.02em;
  line-height: 0.96;
}

.page-about .about-hero__accent {
  color: var(--lime);
}

.page-about .about-hero__lead {
  margin: 22px 0 0;
  max-width: 50ch;
  color: var(--dim);
}

/* 站点概况面板 */
.page-about .about-panel {
  position: relative;
  overflow: hidden;
  padding: 22px 22px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(158deg, rgba(17, 29, 51, 0.96), rgba(10, 19, 36, 0.5));
  box-shadow: 0 20px 44px -30px rgba(0, 0, 0, 0.95);
}

.page-about .about-panel::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 92px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--cyan));
}

.page-about .about-panel__cap {
  margin: 0;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

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

.page-about .about-panel__list li {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 13px 0;
  border-top: 1px solid var(--line);
}

.page-about .about-panel__list li:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-about .about-panel__k {
  font-family: var(--font-data);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--lime);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.page-about .about-panel__v {
  font-size: 14px;
  line-height: 1.65;
  color: var(--dim);
}

/* ---------- 01 做什么 ---------- */
.page-about .about-what {
  border-top: 1px solid var(--line);
}

.page-about .about-what__grid {
  display: grid;
  gap: 34px;
}

.page-about .about-what__media {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--panel);
}

.page-about .about-services {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-about .about-service {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .about-service__idx {
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  padding-top: 4px;
}

.page-about .about-service__body h3 {
  margin: 0;
}

.page-about .about-service__body p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--dim);
}

.page-about .about-what__more {
  margin: 26px 0 0;
  font-size: 15px;
}

/* ---------- 02 覆盖与刷新 ---------- */
.page-about .about-coverage {
  border-top: 1px solid var(--line);
}

.page-about .about-coverage__head {
  display: grid;
  gap: 18px;
}

.page-about .about-coverage__note {
  margin: 0;
  color: var(--dim);
  max-width: 56ch;
}

.page-about .about-figures {
  display: grid;
  gap: 1px;
  margin-top: 34px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  overflow: hidden;
}

.page-about .about-figure {
  background: var(--panel);
  padding: 22px 20px 24px;
}

.page-about .about-figure__head {
  display: flex;
  align-items: baseline;
  gap: 5px;
  margin: 0;
}

.page-about .about-figure__num {
  font-family: var(--font-data);
  font-size: 34px;
  line-height: 1;
  color: var(--snow);
  font-variant-numeric: tabular-nums;
}

.page-about .about-figure__unit {
  font-size: 13px;
  color: var(--cyan);
  letter-spacing: 0.06em;
}

.page-about .about-figure__label {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--dim);
}

.page-about .about-coverage__media {
  margin-top: 28px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--panel);
}

/* ---------- 03 团队分工 ---------- */
.page-about .about-team-sec {
  border-top: 1px solid var(--line);
}

.page-about .about-lede {
  margin: 18px 0 0;
  max-width: 62ch;
  color: var(--dim);
}

.page-about .about-team {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  overflow: hidden;
}

.page-about .about-team__item {
  background: var(--ink);
  padding: 24px 22px 26px;
}

.page-about .about-team__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}

.page-about .about-team__name {
  font-size: 17px;
  font-weight: 600;
  color: var(--snow);
  letter-spacing: 0.01em;
}

.page-about .about-team__num {
  font-family: var(--font-data);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--lime);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.page-about .about-team__track {
  margin-top: 14px;
  height: 3px;
  border-radius: 2px;
  background: var(--line);
  overflow: hidden;
}

.page-about .about-team__fill {
  display: block;
  height: 100%;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--lime));
}

.page-about .about-team__item:nth-child(1) .about-team__fill { width: 31%; }
.page-about .about-team__item:nth-child(2) .about-team__fill { width: 38%; }
.page-about .about-team__item:nth-child(3) .about-team__fill { width: 31%; }

.page-about .about-team__desc {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--dim);
}

/* ---------- 04 运营历程 ---------- */
.page-about .about-history {
  border-top: 1px solid var(--line);
}

.page-about .about-history__media {
  margin-top: 30px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--panel);
}

.page-about .about-timeline {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
}

.page-about .about-tl {
  position: relative;
  padding: 0 0 34px 30px;
  border-left: 1px solid var(--line);
}

.page-about .about-tl:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-about .about-tl::before {
  content: "";
  position: absolute;
  top: 5px;
  left: -5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(182, 255, 59, 0.13);
}

.page-about .about-tl__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.page-about .about-tl__year {
  font-family: var(--font-data);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--snow);
  font-variant-numeric: tabular-nums;
}

.page-about .about-tl__tag {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 10px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink);
  background: var(--cyan);
  border-radius: 2px;
  clip-path: polygon(8px 0, 100% 0, 100% 100%, 0 100%);
  padding-left: 14px;
}

.page-about .about-tl__body h3 {
  margin: 0;
}

.page-about .about-tl__body p {
  margin: 9px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--dim);
  max-width: 62ch;
}

.page-about .about-tl__body a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(182, 255, 59, 0.35);
  transition: border-color var(--t-fast);
}

.page-about .about-tl__body a:hover,
.page-about .about-tl__body a:focus-visible {
  border-bottom-color: var(--lime);
}

/* ---------- 05 合作生态 ---------- */
.page-about .about-partners-sec {
  border-top: 1px solid var(--line);
}

.page-about .about-partners {
  display: grid;
  gap: 16px;
  margin-top: 34px;
}

.page-about .about-partner {
  padding: 22px 20px 24px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(165deg, rgba(17, 29, 51, 0.9), rgba(10, 19, 36, 0.4));
  transition: border-color var(--t-fast), transform var(--t-fast);
}

.page-about .about-partner:hover {
  border-color: rgba(182, 255, 59, 0.5);
  transform: translateY(-2px);
}

.page-about .about-partner h3 {
  margin: 14px 0 0;
}

.page-about .about-partner p {
  margin: 9px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--dim);
}

.page-about .about-partner--award {
  background: linear-gradient(165deg, rgba(255, 156, 43, 0.12), rgba(10, 19, 36, 0.5));
  border-color: rgba(255, 156, 43, 0.34);
}

.page-about .about-partner--award:hover {
  border-color: var(--amber);
}

.page-about .about-partners__foot {
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--dim);
}

/* ---------- 06 服务保障 ---------- */
.page-about .about-support {
  border-top: 1px solid var(--line);
}

.page-about .about-support__grid {
  display: grid;
  gap: 34px;
}

.page-about .about-support__intro .yk-btn {
  margin-top: 24px;
}

.page-about .about-assure {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  overflow: hidden;
}

.page-about .about-assure__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  background: var(--ink);
  padding: 20px 20px 22px;
}

.page-about .about-assure__mark {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber);
  padding-top: 5px;
}

.page-about .about-assure__item h3 {
  margin: 0;
}

.page-about .about-assure__item p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--dim);
}

/* ---------- 收尾 ---------- */
.page-about .about-next {
  border-top: 1px solid var(--line);
}

.page-about .about-next__box {
  display: grid;
  gap: 26px;
  padding: 32px 24px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 140% at 88% 0%, rgba(47, 227, 196, 0.10) 0%, transparent 58%),
    linear-gradient(150deg, rgba(17, 29, 51, 0.95), rgba(10, 19, 36, 0.55));
}

.page-about .about-next__copy p {
  margin: 16px 0 0;
  max-width: 56ch;
  color: var(--dim);
}

.page-about .about-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-about .about-figures {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-partners {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: end;
  }

  .page-about .about-what__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: start;
  }

  .page-about .about-coverage__head {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 40px;
    align-items: end;
  }

  .page-about .about-support__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 48px;
    align-items: start;
  }

  .page-about .about-tl {
    display: grid;
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 30px;
    padding-left: 34px;
  }

  .page-about .about-tl__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 0;
  }

  .page-about .about-next__box {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    gap: 40px;
    padding: 40px 36px;
  }

  .page-about .about-next__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1024px) {
  .page-about .about-figures {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (max-width: 639px) {
  .page-about .about-panel__list li {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .page-about .about-team__top {
    flex-wrap: wrap;
    gap: 4px;
  }

  .page-about .about-next__actions .yk-btn {
    flex: 1 1 100%;
    justify-content: center;
  }
}
</final>
</final>