.page-about {
  display: block;
  padding-bottom: calc(var(--dock) + 28px);
}

/* ============ 首屏 ============ */
.page-about .about-hero {
  border-bottom: 1px solid var(--line);
  padding: 26px 0 36px;
  background:
    radial-gradient(115% 88% at 90% -12%, rgba(54, 241, 205, .14), transparent 62%),
    linear-gradient(180deg, var(--panel), var(--ink) 74%);
}

.page-about .about-hero__inner {
  display: block;
}

.page-about .about-hero__title {
  margin: 16px 0 0;
  font-size: clamp(38px, 9.4vw, 86px);
  line-height: .96;
  letter-spacing: -.022em;
  font-weight: 200;
  color: var(--white);
}

.page-about .about-hero__title br {
  display: none;
}

.page-about .about-hero__lede {
  margin: 20px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.72;
  color: rgba(244, 235, 221, .82);
}

.page-about .about-hero__facts {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-about .about-fact {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 15px 16px;
  background: rgba(11, 31, 26, .74);
}

.page-about .about-fact__n {
  font-family: var(--font-num);
  font-size: 23px;
  line-height: 1.1;
  letter-spacing: .01em;
  color: var(--cyan);
}

.page-about .about-fact__l {
  font-size: 12px;
  line-height: 1.5;
  color: var(--mist);
}

/* ============ 目录 + 正文布局 ============ */
.page-about .about-layout {
  display: grid;
  gap: 26px;
  padding: 30px 0 0;
}

.page-about .about-toc {
  border-top: 1px solid var(--line-cyan);
  padding-top: 13px;
  min-width: 0;
}

.page-about .about-toc__cap {
  margin: 0 0 11px;
  font-family: var(--font-num);
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-about .about-toc__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-about .about-toc__item {
  flex: 0 0 auto;
}

.page-about .about-toc__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 14px;
  white-space: nowrap;
  color: var(--mist);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-about .about-toc__n {
  font-family: var(--font-num);
  font-size: 10px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-about .about-toc__link:hover,
.page-about .about-toc__link:focus-visible {
  color: var(--cyan-soft);
  border-color: var(--line-cyan);
}

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

/* ============ 章节通用 ============ */
.page-about .about-sec {
  padding-bottom: 48px;
  margin-bottom: 48px;
  border-bottom: 1px solid var(--line-soft);
  scroll-margin-top: 88px;
}

.page-about .about-sec__head {
  display: flex;
  align-items: center;
  gap: 13px;
  padding-bottom: 15px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.page-about .about-sec__idx {
  flex: 0 0 auto;
  padding: 3px 9px;
  border: 1px solid var(--line-cyan);
  border-radius: 999px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-about .about-sec__title {
  margin: 0;
  font-size: clamp(23px, 5vw, 34px);
  line-height: 1.16;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-about .about-sec__intro {
  margin: 0 0 22px;
  max-width: 56ch;
  font-size: 17px;
  line-height: 1.62;
  color: var(--cyan-soft);
}

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

.page-about .about-sec__text p {
  margin: 0 0 15px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.74;
  color: rgba(244, 235, 221, .82);
}

.page-about .about-sec__text p:last-child {
  margin-bottom: 0;
}

/* 旁注 */
.page-about .about-note {
  border-left: 2px solid var(--cyan);
  padding: 3px 0 3px 14px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

.page-about .about-note__cap {
  margin: 0 0 6px;
  font-family: var(--font-num);
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-about .about-note p {
  margin: 0;
}

/* 图片 */
.page-about .about-fig {
  margin: 22px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--panel);
}

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

.page-about .about-fig__cap {
  padding: 10px 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: .02em;
  color: var(--mist);
}

/* ============ 发展历程：横向轮次轨道 ============ */
.page-about .about-track {
  list-style: none;
  margin: 0;
  padding: 2px 0 12px;
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}

.page-about .about-track__item {
  flex: 0 0 78%;
  scroll-snap-align: start;
  padding: 17px 16px 19px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  border-radius: var(--r-md);
  background: linear-gradient(165deg, rgba(18, 51, 43, .92), rgba(11, 31, 26, .68));
}

.page-about .about-track__item--live {
  border-top-color: var(--alert);
}

.page-about .about-track__item--live .about-track__ver {
  color: var(--alert);
}

.page-about .about-track__ver {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-about .about-track__name {
  margin: 9px 0 8px;
  font-size: 18px;
  line-height: 1.3;
  color: var(--white);
}

.page-about .about-track__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: rgba(244, 235, 221, .74);
}

/* ============ 团队 ============ */
.page-about .about-team {
  display: grid;
  gap: 20px;
}

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

.page-about .about-team__item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 3px 16px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-team__n {
  grid-row: span 2;
  font-family: var(--font-num);
  font-size: 25px;
  line-height: 1;
  color: var(--cyan);
}

.page-about .about-team__role {
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
}

.page-about .about-team__desc {
  grid-column: 2;
  font-size: 14px;
  line-height: 1.66;
  color: var(--mist);
}

.page-about .about-team .about-fig {
  margin-top: 0;
}

/* ============ 河南本地运营：暖纸色分区 ============ */
.page-about .about-sec--paper {
  padding: 26px 18px 30px;
  border: 1px solid rgba(11, 31, 26, .12);
  border-bottom: 1px solid rgba(11, 31, 26, .12);
  border-radius: var(--r-lg);
  background: var(--paper);
  color: var(--ink);
}

.page-about .about-sec--paper .about-sec__head {
  border-bottom-color: rgba(11, 31, 26, .16);
}

.page-about .about-sec--paper .about-sec__idx {
  border-color: rgba(11, 31, 26, .22);
  background: rgba(54, 241, 205, .38);
  color: var(--ink);
}

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

.page-about .about-sec--paper .about-sec__text p {
  color: rgba(11, 31, 26, .84);
}

.page-about .about-note--ink {
  border-left-color: var(--ink);
  color: rgba(11, 31, 26, .68);
}

.page-about .about-note--ink .about-note__cap {
  color: rgba(11, 31, 26, .55);
}

.page-about .about-sec--paper .about-fig {
  border-color: rgba(11, 31, 26, .16);
  background: rgba(11, 31, 26, .06);
}

.page-about .about-sec--paper .about-fig__cap {
  border-top-color: rgba(11, 31, 26, .12);
  color: rgba(11, 31, 26, .58);
}

/* ============ 合作生态 ============ */
.page-about .about-partners {
  display: grid;
  gap: 16px;
}

.page-about .about-partners__block {
  padding: 20px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(160deg, rgba(18, 51, 43, .9), rgba(11, 31, 26, .58));
}

.page-about .about-partners__block h3 {
  margin: 0 0 10px;
  font-size: 17px;
  line-height: 1.4;
  color: var(--white);
}

.page-about .about-partners__block p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(244, 235, 221, .78);
}

.page-about .about-awards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-about .about-awards li {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 15px;
  line-height: 1.5;
  color: rgba(244, 235, 221, .9);
}

/* ============ 服务承诺 ============ */
.page-about .about-promise {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-about .about-promise li {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 14px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 15px;
  line-height: 1.72;
  color: rgba(244, 235, 221, .8);
}

.page-about .about-promise__k {
  padding-top: 4px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-about .about-promise__more {
  margin: 18px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

.page-about .about-promise__more a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ============ 收束 ============ */
.page-about .about-cta {
  padding: 28px 20px 30px;
  border: 1px solid var(--line-cyan);
  border-radius: var(--r-lg);
  background:
    radial-gradient(140% 118% at 100% 0%, rgba(255, 90, 54, .15), transparent 58%),
    linear-gradient(150deg, var(--panel), var(--deep));
}

.page-about .about-cta__title {
  margin: 10px 0 12px;
  font-size: clamp(24px, 5.2vw, 36px);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-about .about-cta p {
  margin: 0;
  max-width: 54ch;
  font-size: 16px;
  line-height: 1.72;
  color: rgba(244, 235, 221, .78);
}

.page-about .about-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
  margin-top: 22px;
}

/* ============ 悬停增强 ============ */
@media (hover: hover) {
  .page-about .about-note {
    transition: transform var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
  }

  .page-about .about-note:hover {
    transform: translateX(3px);
    border-left-color: var(--alert);
  }

  .page-about .about-track__item {
    transition: transform var(--t-base) var(--ease);
  }

  .page-about .about-track__item:hover {
    transform: translateY(-2px);
  }
}

/* ============ 响应式 ============ */
@media (min-width: 640px) {
  .page-about .about-hero {
    padding: 40px 0 46px;
  }

  .page-about .about-hero__title br {
    display: block;
  }

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

  .page-about .about-track__item {
    flex: 0 0 300px;
  }
}

@media (min-width: 780px) {
  .page-about .about-sec__body {
    grid-template-columns: minmax(0, 1fr) 216px;
    gap: 30px;
    align-items: start;
  }

  .page-about .about-team {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 28px;
    align-items: start;
  }

  .page-about .about-partners {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-about .about-sec--paper {
    padding: 30px 26px 34px;
  }

  .page-about .about-cta {
    padding: 34px 30px 36px;
  }
}

@media (min-width: 900px) {
  .page-about .about-layout {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 60px;
    padding-top: 50px;
  }

  .page-about .about-toc {
    position: sticky;
    top: 28px;
    align-self: start;
    padding-top: 14px;
  }

  .page-about .about-toc__list {
    flex-direction: column;
    gap: 1px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-about .about-toc__item {
    flex: 0 0 auto;
  }

  .page-about .about-toc__link {
    padding: 8px 0;
    border: 0;
    border-radius: 0;
    border-bottom: 1px solid transparent;
    white-space: normal;
  }

  .page-about .about-toc__link:hover,
  .page-about .about-toc__link:focus-visible {
    border-bottom-color: var(--line-cyan);
  }
}

@media (min-width: 1024px) {
  .page-about {
    padding-bottom: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-note,
  .page-about .about-track__item {
    transition: none;
  }

  .page-about .about-note:hover,
  .page-about .about-track__item:hover {
    transform: none;
  }
}