.page-about {
  --about-rule: rgba(169, 182, 201, .22);
  --about-panel: var(--ink-800);
  padding-bottom: 72px;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: 40px 0 44px;
  border-bottom: 2px solid var(--ink-700);
  background-color: var(--ink-900);
  background-image:
    linear-gradient(rgba(53, 225, 214, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(53, 225, 214, .045) 1px, transparent 1px);
  background-size: 44px 44px, 44px 44px;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--pulse-cyan), transparent 55%, var(--pulse-orange));
  opacity: .7;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -55%;
  width: 62%;
  height: 130%;
  background: radial-gradient(closest-side, rgba(255, 106, 43, .16), transparent 72%);
  pointer-events: none;
}

.page-about .about-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-about .about-hero__eyebrow {
  display: inline-block;
  margin: 18px 0 0;
  padding: 5px 10px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--pulse-cyan);
  background: rgba(14, 140, 136, .14);
  border: 1px solid var(--cyan-deep);
}

.page-about .about-hero__title {
  margin: 20px 0 0;
  max-width: 760px;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(31px, 7.2vw, 68px);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--warm-white);
}

.page-about .about-hero__lede {
  margin: 22px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist-blue);
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-fact {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: var(--ink-800);
  border: 2px solid var(--ink-700);
  box-shadow: var(--shadow-soft);
}

.page-about .about-fact__num {
  font-family: var(--font-mono);
  font-size: 24px;
  line-height: 1.1;
  letter-spacing: .02em;
  color: var(--pulse-orange);
}

.page-about .about-fact__label {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist-blue);
}

.page-about .about-hero__toc {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 28px 0 0;
  padding: 14px 0 0;
  border-top: 1px dashed var(--about-rule);
}

.page-about .about-hero__toc-link {
  display: inline-block;
  padding: 7px 13px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist-blue);
  text-decoration: none;
  border: 1px solid var(--ink-700);
  background: var(--ink-800);
  transition: color .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease);
}

.page-about .about-hero__toc-link:hover,
.page-about .about-hero__toc-link:focus-visible {
  color: var(--ink-950);
  background: var(--pulse-cyan);
  border-color: var(--pulse-cyan);
  transform: translateY(-2px);
}

/* ---------- 通用标题微调 ---------- */
.page-about .section__eyebrow {
  font-family: var(--font-mono);
  letter-spacing: .16em;
  color: var(--pulse-orange);
}

.page-about .section__title {
  font-family: var(--font-display);
  font-weight: 200;
  letter-spacing: -.01em;
  color: var(--warm-white);
}

.page-about .section__lede {
  color: var(--mist-blue);
}

/* ---------- 发展路径 ---------- */
.page-about .about-years__list {
  position: relative;
  margin: 34px 0 0;
  padding: 0 0 0 26px;
  list-style: none;
}

.page-about .about-years__list::before {
  content: "";
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 6px;
  border-left: 2px dashed var(--about-rule);
}

.page-about .about-year {
  position: relative;
  padding: 0 0 34px 6px;
}

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

.page-about .about-year::before {
  content: "";
  position: absolute;
  top: 9px;
  left: -25px;
  width: 12px;
  height: 12px;
  background: var(--ink-900);
  border: 2px solid var(--pulse-cyan);
  transform: rotate(45deg);
}

.page-about .about-year:last-child::before {
  border-color: var(--pulse-orange);
  background: var(--pulse-orange);
}

.page-about .about-year__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 28px;
  line-height: 1;
  letter-spacing: .04em;
  color: var(--pulse-cyan);
}

.page-about .about-year:last-child .about-year__num {
  color: var(--pulse-orange);
}

.page-about .about-year__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--warm-white);
}

.page-about .about-year__body p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist-blue);
}

/* ---------- 团队分工 ---------- */
.page-about .about-team__layout {
  margin-top: 32px;
  gap: 28px;
}

.page-about .segmented__btn {
  font-family: var(--font-display);
}

.page-about .segmented__panel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--mist-blue);
}

.page-about .segmented__panel a {
  color: var(--pulse-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 225, 214, .45);
}

.page-about .segmented__panel a:hover,
.page-about .segmented__panel a:focus-visible {
  color: var(--pulse-orange);
  border-bottom-color: var(--pulse-orange);
}

.page-about .about-bullets {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-about .about-bullets li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist-blue);
}

.page-about .about-bullets li::before {
  content: "";
  position: absolute;
  top: 9px;
  left: 2px;
  width: 7px;
  height: 7px;
  background: var(--pulse-orange);
}

.page-about .about-team__main {
  min-width: 0;
}

/* ---------- 图片容器 ---------- */
.page-about .about-media {
  margin: 0;
}

.page-about .about-media .media__frame {
  overflow: hidden;
  border: 2px solid var(--ink-700);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
}

.page-about .about-media .media__img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-about .about-media--team .media__frame {
  aspect-ratio: 16 / 9;
}

.page-about .about-media--calendar .media__frame {
  aspect-ratio: 4 / 3;
}

.page-about .about-media--hebei .media__frame {
  aspect-ratio: 3 / 2;
}

.page-about .about-media .media__cap {
  margin: 12px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--slate-blue);
}

/* ---------- 赛事日历 ---------- */
.page-about .about-calendar__layout {
  margin-top: 32px;
  gap: 28px;
}

.page-about .about-layers {
  margin: 0;
  display: grid;
  gap: 16px;
}

.page-about .about-layer {
  display: grid;
  gap: 8px;
  padding: 16px 18px;
  border-left: 3px solid var(--pulse-cyan);
  background: linear-gradient(90deg, rgba(53, 225, 214, .07), transparent 70%);
}

.page-about .about-layer__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--pulse-cyan);
}

.page-about .about-layer__v {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist-blue);
}

.page-about .about-calendar__note {
  margin: 22px 0 0;
  padding: 16px 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--warm-white);
  background: var(--ink-800);
  border: 2px solid var(--ink-700);
  box-shadow: var(--shadow-soft);
}

.page-about .about-calendar__body .btn {
  margin-top: 18px;
}

/* ---------- 复盘流程 ---------- */
.page-about .about-steps {
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
  counter-reset: none;
}

.page-about .about-step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 18px 18px 20px;
  border: 2px solid var(--ink-700);
  background: var(--ink-800);
  box-shadow: var(--shadow-soft);
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}

.page-about .about-step:hover {
  border-color: var(--cyan-deep);
  transform: translateX(4px);
}

.page-about .about-step__num {
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  letter-spacing: .04em;
  color: var(--pulse-orange);
}

.page-about .about-step__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--warm-white);
}

.page-about .about-step__body p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist-blue);
}

.page-about .about-recap__link {
  margin: 30px 0 0;
}

/* ---------- 覆盖与合作 ---------- */
.page-about .about-scale__grid {
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.page-about .about-scale__block {
  position: relative;
  padding: 20px 18px 22px;
  border: 2px solid var(--ink-700);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
}

.page-about .about-scale__block::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 46px;
  height: 3px;
  background: var(--pulse-cyan);
}

.page-about .about-scale__block:nth-child(even)::before {
  background: var(--pulse-orange);
}

.page-about .about-scale__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 38px;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--warm-white);
}

.page-about .about-scale__unit {
  display: inline-block;
  margin-left: 5px;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--pulse-cyan);
}

.page-about .about-scale__block:nth-child(even) .about-scale__unit {
  color: var(--orange-soft);
}

.page-about .about-scale__desc {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist-blue);
}

.page-about .about-scale__note {
  margin-top: 22px;
  padding-left: 18px;
  border-left: 3px solid var(--orange-soft);
}

.page-about .about-scale__note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist-blue);
}

.page-about .about-scale__note a {
  color: var(--pulse-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 225, 214, .45);
}

.page-about .about-scale__note a:hover,
.page-about .about-scale__note a:focus-visible {
  color: var(--pulse-orange);
  border-bottom-color: var(--pulse-orange);
}

/* ---------- 河北本地服务 ---------- */
.page-about .about-hebei__layout {
  margin-top: 32px;
  gap: 28px;
}

.page-about .about-hebei__body > p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist-blue);
}

.page-about .about-contact {
  margin: 24px 0 0;
  display: grid;
  gap: 0;
  border-top: 2px solid var(--ink-700);
}

.page-about .about-contact__row {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--about-rule);
}

.page-about .about-contact__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--pulse-orange);
}

.page-about .about-contact__v {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--warm-white);
}

.page-about .about-cta {
  margin-top: 44px;
  padding: 26px 22px;
  border: 2px solid var(--ink-700);
  background:
    linear-gradient(120deg, rgba(53, 225, 214, .1), transparent 55%),
    var(--ink-800);
  box-shadow: var(--shadow-hard);
}

.page-about .about-cta__text {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 200;
  line-height: 1.5;
  color: var(--warm-white);
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 720px) {
  .page-about .about-hero {
    padding: 52px 0 56px;
  }

  .page-about .about-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    border-top: 2px solid var(--ink-700);
    border-bottom: 2px solid var(--ink-700);
  }

  .page-about .about-fact {
    border: 0;
    border-right: 1px dashed var(--about-rule);
    box-shadow: none;
    background: transparent;
    padding: 18px 20px;
  }

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

  .page-about .about-scale__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .page-about .about-scale__block:nth-child(even) {
    transform: translateY(24px);
  }
}

@media (min-width: 900px) {
  .page-about .about-year {
    display: grid;
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }

  .page-about .about-year__num {
    font-size: 40px;
    padding-top: 2px;
  }

  .page-about .about-year__title {
    margin-top: 0;
  }

  .page-about .about-year__body {
    max-width: 64ch;
  }

  .page-about .about-years__list {
    padding-left: 34px;
  }

  .page-about .about-year::before {
    left: -33px;
  }

  .page-about .about-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-about .about-step {
    grid-template-columns: 54px minmax(0, 1fr);
    padding: 22px 22px 24px;
  }

  .page-about .about-step:nth-child(even) {
    transform: translateY(22px);
  }

  .page-about .about-step:nth-child(even):hover {
    transform: translateY(22px) translateX(4px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-hero__toc-link,
  .page-about .about-step {
    transition: none;
  }

  .page-about .about-hero__toc-link:hover,
  .page-about .about-hero__toc-link:focus-visible,
  .page-about .about-step:hover,
  .page-about .about-step:nth-child(even),
  .page-about .about-step:nth-child(even):hover,
  .page-about .about-scale__block:nth-child(even) {
    transform: none;
  }
}