.page-about {
  background: var(--ink);
  color: var(--paper);
}

.page-about .ab-hero {
  position: relative;
  overflow: hidden;
  padding: 112px 0 56px;
  background:
    radial-gradient(120% 90% at 8% 0%, rgba(26, 167, 201, 0.22), transparent 62%),
    linear-gradient(180deg, #07111f 0%, #08182b 100%);
}

.page-about .ab-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.45;
  pointer-events: none;
}

.page-about .ab-hero__media img {
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: 12% center;
}

.page-about .ab-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(7, 17, 31, 0.32) 0%, rgba(7, 17, 31, 0.72) 46%, #07111f 82%);
}

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

.page-about .ab-hero__title {
  margin: 16px 0 20px;
  font-size: clamp(38px, 8.4vw, 82px);
  line-height: 0.96;
  font-weight: 900;
  letter-spacing: -0.02em;
  max-width: 16ch;
}

.page-about .ab-hero__title em {
  font-style: normal;
  color: var(--cyan);
}

.page-about .ab-hero__lead {
  max-width: 54ch;
  color: #d6e3f5;
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.68;
}

.page-about .ab-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  margin-top: 34px;
  padding-top: 20px;
  border-top: 1px solid rgba(58, 74, 99, 0.7);
}

.page-about .ab-hero__meta span {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-about .ab-hero__meta strong {
  color: var(--cyan);
  font-weight: 700;
  margin-right: 6px;
}

/* 本页导读 */
.page-about .ab-jump {
  border-top: 1px solid rgba(58, 74, 99, 0.45);
  border-bottom: 1px solid rgba(58, 74, 99, 0.45);
  background: var(--panel);
}

.page-about .ab-jump__inner {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 14px 0;
  scrollbar-width: none;
}

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

.page-about .ab-jump__link {
  flex: 0 0 auto;
  padding: 7px 14px;
  border: 1px solid rgba(58, 74, 99, 0.85);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-about .ab-jump__link:hover,
.page-about .ab-jump__link:focus-visible {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

/* 通用小构件 */
.page-about .ab-stage {
  display: block;
  font-family: var(--mono);
  font-size: clamp(52px, 11vw, 92px);
  line-height: 0.8;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 2px rgba(53, 230, 208, 0.62);
}

.page-about .ab-rule {
  display: block;
  width: 1px;
  height: 56px;
  margin-top: 18px;
  background: linear-gradient(180deg, var(--cyan), transparent);
}

.page-about .ab-head {
  display: grid;
  gap: 16px;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-about .ab-head__note {
  color: var(--mist);
  font-size: 15px;
  line-height: 1.7;
  max-width: 46ch;
}

/* 起点 */
.page-about .ab-start__grid {
  display: grid;
  gap: 22px;
}

.page-about .ab-start__aside {
  display: flex;
  flex-direction: row;
  align-items: flex-end;
  gap: 16px;
}

.page-about .ab-start__aside .ab-rule {
  height: 1px;
  width: 56px;
  margin: 0 0 12px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}

.page-about .ab-start__body p {
  color: #cfdaeb;
  line-height: 1.75;
  margin-top: 14px;
}

.page-about .ab-facts {
  list-style: none;
  display: grid;
  gap: 12px;
  margin: 28px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid rgba(58, 74, 99, 0.65);
}

.page-about .ab-facts li {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-about .ab-facts__num {
  font-family: var(--mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--amber);
  min-width: 3.6em;
}

.page-about .ab-facts__txt {
  color: var(--mist);
  font-size: 14px;
}

/* 服务原则 */
.page-about .ab-steps {
  list-style: none;
  display: grid;
  gap: 26px;
  margin: 0;
  padding: 0;
}

.page-about .ab-steps__item {
  padding-left: 20px;
  border-left: 1px solid rgba(53, 230, 208, 0.4);
}

.page-about .ab-steps__num {
  display: block;
  font-family: var(--mono);
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
  margin-bottom: 12px;
}

.page-about .ab-steps__item p {
  color: var(--mist);
  line-height: 1.72;
  margin: 10px 0 18px;
}

/* 注册对照 */
.page-about .ab-tabs {
  margin-top: 8px;
}

.page-about .ab-tabs .wp-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(58, 74, 99, 0.7);
}

.page-about .ab-tabs .wp-tabs__tab {
  padding: 9px 16px;
  border: 1px solid rgba(58, 74, 99, 0.9);
  border-radius: 999px;
  background: transparent;
  color: var(--mist);
  font-family: var(--mono);
  font-size: 13px;
  cursor: pointer;
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-about .ab-tabs .wp-tabs__tab:hover {
  color: var(--paper);
  border-color: var(--blue);
}

.page-about .ab-tabs .wp-tabs__tab[aria-selected="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
  font-weight: 700;
}

.page-about .ab-tabs .wp-tabs__panel {
  padding-top: 22px;
}

.page-about .ab-lanes {
  display: grid;
  gap: 20px;
}

.page-about .ab-lane p {
  color: #cfdaeb;
  line-height: 1.72;
  margin-top: 8px;
}

.page-about .ab-lane__label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber);
  margin: 0;
}

.page-about .ab-lane:last-child .ab-lane__label {
  color: var(--cyan);
}

.page-about .ab-tabs .wp-note {
  display: inline-block;
  margin-top: 18px;
  padding: 6px 12px;
  border-left: 2px solid var(--blue);
  color: var(--mist);
}

.page-about .ab-status {
  margin-top: clamp(32px, 5vw, 56px);
  padding-top: 26px;
  border-top: 1px dashed rgba(58, 74, 99, 0.85);
}

.page-about .ab-status__list {
  list-style: none;
  display: grid;
  gap: 16px;
  margin: 18px 0 0;
  padding: 0;
}

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

/* 团队 */
.page-about .ab-team__grid {
  display: grid;
  gap: 30px;
  align-items: start;
}

.page-about .ab-team__body > p {
  color: #cfdaeb;
  line-height: 1.72;
  margin-top: 14px;
}

.page-about .ab-roles {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-about .ab-roles__key {
  display: block;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--amber);
  margin-bottom: 6px;
}

.page-about .ab-roles__item p {
  color: var(--mist);
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
}

.page-about .ab-rhythm {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
}

.page-about .ab-rhythm__row {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 14px;
  align-items: baseline;
  padding: 14px 0;
  border-top: 1px solid rgba(53, 230, 208, 0.28);
}

.page-about .ab-rhythm__row:last-child {
  border-bottom: 1px solid rgba(53, 230, 208, 0.28);
}

.page-about .ab-rhythm__cycle {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--cyan);
  letter-spacing: 0.08em;
}

.page-about .ab-rhythm__txt {
  font-size: 14px;
  line-height: 1.65;
  color: #cfdaeb;
}

.page-about .ab-team__media {
  border-radius: var(--r-lg);
  overflow: hidden;
  margin: 0;
}

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

/* 时间线 */
.page-about .ab-track {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .ab-track__item {
  position: relative;
  padding: 0 0 30px 24px;
  border-left: 1px solid rgba(58, 74, 99, 0.85);
}

.page-about .ab-track__item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(53, 230, 208, 0.16);
}

.page-about .ab-track__item:last-child {
  padding-bottom: 0;
}

.page-about .ab-track__year {
  font-family: var(--mono);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--paper);
  margin: 0 0 8px;
}

.page-about .ab-track__year span {
  display: inline-block;
  margin-left: 10px;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-about .ab-track__item p {
  color: var(--mist);
  font-size: 15px;
  line-height: 1.72;
  margin: 8px 0 0;
}

.page-about .ab-timeline__media {
  margin: clamp(32px, 5vw, 52px) 0 0;
  border-radius: var(--r-lg) var(--r-lg) var(--r-lg) 80px;
  overflow: hidden;
}

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

/* 渠道同步 */
.page-about .ab-partner__grid {
  display: grid;
  gap: 28px;
  align-items: start;
}

.page-about .ab-partner__body p {
  color: #cfdaeb;
  line-height: 1.75;
  margin-top: 14px;
}

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

.page-about .ab-partner__panel {
  padding: 26px 22px;
  background: linear-gradient(152deg, rgba(14, 58, 68, 0.95), rgba(13, 27, 46, 0.95));
  border-radius: var(--r-lg) var(--r-lg) 90px var(--r-lg);
}

.page-about .ab-partner__stats {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-about .ab-partner__stats li {
  display: grid;
  gap: 2px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(53, 230, 208, 0.22);
}

.page-about .ab-partner__stats li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-about .ab-partner__num {
  font-family: var(--mono);
  font-size: 30px;
  font-weight: 700;
  color: var(--amber);
  line-height: 1;
}

.page-about .ab-partner__lab {
  font-size: 13px;
  color: var(--mist);
  line-height: 1.6;
}

.page-about .ab-next {
  display: grid;
  gap: 1px;
  margin-top: clamp(36px, 5vw, 60px);
  border-top: 1px solid rgba(58, 74, 99, 0.7);
}

.page-about .ab-next__link {
  display: grid;
  gap: 4px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(58, 74, 99, 0.55);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-about .ab-next__link:hover,
.page-about .ab-next__link:focus-visible {
  border-color: var(--cyan);
  padding-left: 10px;
}

.page-about .ab-next__key {
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-about .ab-next__link:hover .ab-next__key,
.page-about .ab-next__link:focus-visible .ab-next__key {
  color: var(--cyan);
}

.page-about .ab-next__txt {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--mist);
}

@media (min-width: 720px) {
  .page-about .ab-hero {
    padding: 140px 0 72px;
  }

  .page-about .ab-start__aside {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .page-about .ab-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-about .ab-facts li {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .page-about .ab-facts__num {
    font-size: 28px;
  }

  .page-about .ab-status__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-about .ab-next {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    border-bottom: 1px solid rgba(58, 74, 99, 0.55);
  }

  .page-about .ab-next__link {
    padding: 20px 18px 20px 0;
    border-bottom: 0;
    border-right: 1px solid rgba(58, 74, 99, 0.45);
  }

  .page-about .ab-next__link:last-child {
    border-right: 0;
  }
}

@media (min-width: 960px) {
  .page-about .ab-hero__media {
    opacity: 0.6;
  }

  .page-about .ab-start__grid {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: clamp(28px, 5vw, 72px);
  }

  .page-about .ab-head {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: end;
    gap: clamp(24px, 4vw, 64px);
  }

  .page-about .ab-head__note {
    justify-self: end;
    text-align: right;
  }

  .page-about .ab-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(22px, 3vw, 40px);
  }

  .page-about .ab-steps__item {
    padding-left: 24px;
  }

  .page-about .ab-lanes {
    grid-template-columns: 1fr 1fr;
    gap: 0;
  }

  .page-about .ab-lane {
    padding: 0 clamp(20px, 3vw, 44px);
  }

  .page-about .ab-lane:first-child {
    padding-left: 0;
  }

  .page-about .ab-lane + .ab-lane {
    border-left: 1px dashed rgba(58, 74, 99, 0.95);
  }

  .page-about .ab-team__grid {
    grid-template-columns: 1.02fr 0.98fr;
    gap: clamp(30px, 5vw, 70px);
    align-items: center;
  }

  .page-about .ab-track {
    padding-left: 12px;
  }

  .page-about .ab-track__item {
    padding-left: clamp(28px, 4vw, 48px);
    padding-bottom: 38px;
  }

  .page-about .ab-track__year {
    font-size: 20px;
  }

  .page-about .ab-partner__grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: clamp(30px, 5vw, 72px);
  }
}