.page-about {
  --about-rot: -1.4deg;
  --about-cut: 16px;
  color: var(--pg-ink);
  font-family: var(--pg-font-body);
}

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

.page-about .pg-section {
  padding-block: 54px;
}

.page-about .about-head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.page-about .about-head .pg-kicker,
.page-about .about-head .pg-title,
.page-about .about-head .pg-lead {
  margin: 0;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 52px;
  border-bottom: 1px solid var(--pg-line-soft);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: -30% -12% auto -12%;
  height: 480px;
  pointer-events: none;
  background:
    radial-gradient(58% 58% at 80% 20%, rgba(139, 92, 246, 0.26), transparent 70%),
    radial-gradient(52% 52% at 10% 4%, rgba(53, 242, 208, 0.16), transparent 72%);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--pg-cyan), var(--pg-violet) 55%, transparent);
  opacity: 0.5;
}

.page-about .about-hero__inner {
  position: relative;
  display: grid;
  gap: 30px;
}

.page-about .about-hero__title {
  margin: 8px 0 16px;
  font-size: clamp(28px, 7.4vw, 46px);
  line-height: 1.24;
  letter-spacing: 0.05em;
  color: var(--pg-bright);
}

.page-about .about-hero__copy .pg-lead {
  margin: 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.8;
}

.page-about .about-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
}

.page-about .about-hero__facts li {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
}

.page-about .about-hero__facts-k {
  font-family: var(--pg-font-mono);
  font-size: 16px;
  color: var(--pg-cyan);
  letter-spacing: 0.04em;
}

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

.page-about .about-hero__dial {
  position: relative;
  display: grid;
  place-items: center;
  width: min(292px, 80%);
  aspect-ratio: 1 / 1;
  margin: 6px auto 0;
  padding: 20px;
  border: 1px solid var(--pg-line);
  background:
    radial-gradient(circle at 50% 42%, rgba(53, 242, 208, 0.16), transparent 62%),
    linear-gradient(158deg, var(--pg-deep), var(--pg-abyss));
  box-shadow: var(--pg-shadow);
  clip-path: polygon(0 24px, 24px 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
  transform: rotate(-2deg);
}

.page-about .about-hero__num {
  font-family: var(--pg-font-mono);
  font-size: clamp(88px, 24vw, 156px);
  font-weight: 700;
  line-height: 0.86;
  letter-spacing: -0.03em;
  color: var(--pg-bright);
  text-shadow: 0 0 34px rgba(53, 242, 208, 0.42);
}

.page-about .about-hero__unit {
  margin-top: 6px;
  font-family: var(--pg-font-mono);
  font-size: 12px;
  letter-spacing: 0.36em;
  color: var(--pg-violet-soft);
}

.page-about .about-hero__note {
  position: absolute;
  bottom: 16px;
  font-family: var(--pg-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--pg-cyan);
  opacity: 0.85;
}

/* ---------- 时间线 ---------- */
.page-about .about-strip {
  position: relative;
  margin: 32px 0 4px;
  border: 1px solid var(--pg-line-soft);
  background: var(--pg-deep);
  overflow: hidden;
}

.page-about .about-strip::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  z-index: 1;
  background: linear-gradient(90deg, var(--pg-cyan), var(--pg-violet) 50%, var(--pg-orange));
}

.page-about .about-strip img {
  display: block;
  width: 100%;
  object-fit: cover;
}

.page-about .about-strip figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--pg-line-soft);
  font-family: var(--pg-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--pg-ink);
}

.page-about .about-track {
  position: relative;
  margin: 38px 0 0;
  padding: 0 0 0 26px;
  list-style: none;
}

.page-about .about-track::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--pg-orange), var(--pg-violet) 45%, var(--pg-cyan));
  opacity: 0.5;
}

.page-about .about-track__item {
  position: relative;
  padding-bottom: 32px;
}

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

.page-about .about-track__item::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--pg-abyss);
  border: 2px solid var(--pg-cyan);
  box-shadow: 0 0 0 4px rgba(53, 242, 208, 0.12);
  transition: border-color var(--pg-speed) var(--pg-ease), box-shadow var(--pg-speed) var(--pg-ease);
}

.page-about .about-track__item.is-visible::before {
  border-color: var(--pg-orange);
  box-shadow: 0 0 0 6px rgba(255, 138, 61, 0.16), 0 0 20px rgba(53, 242, 208, 0.34);
}

.page-about .about-track__year {
  margin: 0 0 4px;
  font-family: var(--pg-font-mono);
  font-size: 12.5px;
  letter-spacing: 0.2em;
  color: var(--pg-cyan);
}

.page-about .about-track__title {
  margin: 0 0 8px;
  font-size: 19px;
  letter-spacing: 0.03em;
  color: var(--pg-bright);
}

.page-about .about-track__text {
  margin: 0;
  max-width: 56ch;
  font-size: 15.5px;
  line-height: 1.78;
}

/* ---------- 数据带 ---------- */
.page-about .about-metrics {
  border-top: 1px solid var(--pg-line-soft);
  border-bottom: 1px solid var(--pg-line-soft);
  background:
    radial-gradient(70% 100% at 10% 0%, rgba(53, 242, 208, 0.08), transparent 70%),
    radial-gradient(62% 100% at 90% 100%, rgba(255, 138, 61, 0.09), transparent 70%),
    linear-gradient(180deg, rgba(11, 31, 56, 0.94), rgba(7, 20, 38, 0.94));
}

.page-about .about-metrics__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 30px;
}

.page-about .about-metric {
  padding: 20px 18px;
  background: rgba(14, 40, 70, 0.58);
  border: 1px solid var(--pg-line-soft);
  clip-path: polygon(0 14px, 14px 0, 100% 0, 100% 100%, 0 100%);
}

.page-about .about-metric__num {
  margin: 0;
  font-family: var(--pg-font-mono);
  font-size: 30px;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--pg-bright);
}

.page-about .about-metric__num span {
  margin-left: 3px;
  font-size: 0.46em;
  color: var(--pg-cyan);
}

.page-about .about-metric__label {
  margin: 8px 0 14px;
  font-size: 14px;
  line-height: 1.6;
}

.page-about .about-metric__bar {
  height: 5px;
  border-radius: 99px;
  background: rgba(42, 74, 102, 0.5);
  overflow: hidden;
}

.page-about .about-metric__fill {
  display: block;
  height: 100%;
  width: var(--bar, 60%);
  border-radius: 99px;
  background: linear-gradient(90deg, var(--pg-cyan), var(--pg-violet) 62%, var(--pg-orange));
}

@media (prefers-reduced-motion: no-preference) {
  .page-about .about-metric.is-visible .about-metric__fill {
    animation: about-grow 0.9s var(--pg-ease) both;
  }
}

@keyframes about-grow {
  from { width: 0; }
  to { width: var(--bar, 60%); }
}

/* ---------- 团队 ---------- */
.page-about .about-scene {
  position: relative;
  margin: 30px 0 24px;
  border: 1px solid var(--pg-line-soft);
  overflow: hidden;
  background: var(--pg-deep);
}

.page-about .about-scene img {
  display: block;
  width: 100%;
  object-fit: cover;
}

.page-about .about-scene::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(7, 20, 38, 0.1), rgba(7, 20, 38, 0.88));
}

.page-about .about-scene figcaption {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 14px;
  z-index: 1;
  font-family: var(--pg-font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--pg-bright);
  opacity: 0.92;
}

.page-about .about-team__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-about .about-team__card {
  padding: 20px 18px 22px;
  background: var(--pg-deep);
  border: 1px solid var(--pg-line-soft);
  transform: rotate(var(--about-rot));
  transition: transform var(--pg-speed) var(--pg-ease), border-color var(--pg-speed) var(--pg-ease);
}

.page-about .about-team__card:nth-child(2) {
  transform: rotate(1deg);
}

.page-about .about-team__card:nth-child(3) {
  transform: rotate(-0.7deg);
}

.page-about .about-team__card h3 {
  margin: 12px 0 8px;
  font-size: 18px;
  letter-spacing: 0.04em;
  color: var(--pg-bright);
}

.page-about .about-team__card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
}

/* ---------- 三条坚持 ---------- */
.page-about .about-creed__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 28px;
}

.page-about .about-creed__item {
  padding: 22px 20px;
}

.page-about .about-creed__no {
  display: inline-block;
  margin-bottom: 14px;
  padding: 3px 9px;
  font-family: var(--pg-font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--pg-orange);
  border: 1px solid rgba(255, 138, 61, 0.45);
}

.page-about .about-creed__item h3 {
  margin: 0 0 10px;
  font-size: 18px;
  letter-spacing: 0.03em;
  color: var(--pg-bright);
}

.page-about .about-creed__item p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.78;
}

.page-about .about-creed__link {
  display: inline-block;
  padding-bottom: 2px;
  font-family: var(--pg-font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--pg-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 208, 0.4);
  transition: color var(--pg-speed) var(--pg-ease), border-color var(--pg-speed) var(--pg-ease);
}

.page-about .about-creed__link:hover,
.page-about .about-creed__link:focus-visible {
  color: var(--pg-bright);
  border-color: var(--pg-bright);
}

/* ---------- 合作伙伴 ---------- */
.page-about .about-partners__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-about .about-partners__copy .pg-kicker,
.page-about .about-partners__copy .pg-title {
  margin: 8px 0 12px;
}

.page-about .about-partners__copy p {
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.8;
}

.page-about .about-partners__list {
  display: grid;
  gap: 10px;
  margin: 20px 0;
  padding: 0;
  list-style: none;
}

.page-about .about-partners__list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 14px;
  font-size: 15px;
  background: rgba(14, 40, 70, 0.62);
  border-left: 2px solid var(--pg-violet);
}

.page-about .about-partners__k {
  font-family: var(--pg-font-mono);
  font-size: 20px;
  color: var(--pg-cyan);
}

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

.page-about .about-node img {
  display: block;
  width: 100%;
  border: 1px solid var(--pg-line-soft);
}

/* ---------- 行业认可 ---------- */
.page-about .about-recogn__panel {
  display: grid;
  gap: 22px;
  padding: 26px 22px;
  border: 1px solid var(--pg-line-soft);
  background: linear-gradient(135deg, rgba(53, 242, 208, 0.07), rgba(139, 92, 246, 0.11) 55%, rgba(255, 138, 61, 0.07));
  clip-path: polygon(0 20px, 20px 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-about .about-recogn__panel h2 {
  margin: 10px 0 12px;
}

.page-about .about-recogn__panel p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
}

.page-about .about-recogn__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 640px) {
  .page-about .about-metrics__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

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

  .page-about .about-team__card:nth-child(3) {
    grid-column: 1 / -1;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-about .about-hero {
    padding: 40px 0 64px;
  }

  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.24fr) minmax(250px, 0.76fr);
    align-items: center;
    gap: 48px;
  }

  .page-about .pg-section {
    padding-block: 68px;
  }

  .page-about .about-track {
    padding-left: 0;
    margin-top: 44px;
  }

  .page-about .about-track::before {
    left: 88px;
  }

  .page-about .about-track__item {
    display: grid;
    grid-template-columns: 74px minmax(0, 1fr);
    column-gap: 32px;
    padding-bottom: 36px;
  }

  .page-about .about-track__item::before {
    left: 82px;
    top: 5px;
  }

  .page-about .about-track__year {
    grid-column: 1;
    grid-row: 1 / span 3;
    margin: 0;
    text-align: right;
    padding-top: 2px;
  }

  .page-about .about-track__title,
  .page-about .about-track__text {
    grid-column: 2;
  }

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

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

  .page-about .about-team__card:nth-child(3) {
    grid-column: auto;
  }

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

  .page-about .about-partners__layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.85fr);
    align-items: center;
    gap: 46px;
  }

  .page-about .about-recogn__panel {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: center;
    padding: 32px 30px;
    gap: 30px;
  }
}

@media (hover: hover) {
  .page-about .about-team__card:hover {
    transform: rotate(0deg) translateY(-6px);
    border-color: var(--pg-cyan);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-hero__dial,
  .page-about .about-team__card,
  .page-about .about-team__card:nth-child(2),
  .page-about .about-team__card:nth-child(3) {
    transform: none;
  }

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

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