/* ===== 品牌档案 /company/ 页面专属样式 ===== */
.page-about {
  --about-aside: 200px;
  --about-gap: clamp(20px, 4vw, 60px);
  --about-sec-pad: clamp(46px, 7vw, 92px);
  --about-glow-cyan: rgba(79, 227, 208, 0.09);
  --about-glow-orange: rgba(255, 155, 74, 0.06);
  color: var(--c-text);
}

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

.page-about .breadcrumbs {
  margin: clamp(14px, 2.6vw, 26px) 0 0;
}

/* ---------- 刊头 ---------- */
.page-about .about-hero {
  position: relative;
  padding-top: clamp(28px, 5vw, 60px);
  border-bottom: var(--hair);
  background:
    radial-gradient(880px 320px at 86% -14%, var(--about-glow-cyan), transparent 68%),
    radial-gradient(620px 260px at 2% 6%, var(--about-glow-orange), transparent 70%);
  background-repeat: no-repeat;
}

.page-about .about-hero__kicker {
  margin: 0 0 20px;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-orange);
}

.page-about .about-hero__title {
  margin: 0 0 24px;
  max-width: 15em;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(29px, 6vw, 60px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--c-text);
}

.page-about .about-hero__lead {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.9;
  color: var(--c-text-2);
}

/* ---------- 目录跳转 ---------- */
.page-about .about-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(26px, 4vw, 40px);
}

.page-about .about-jump__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 13px;
  border: var(--hair);
  border-radius: var(--r);
  font-size: 12.5px;
  line-height: 1.4;
  color: var(--c-text-2);
  text-decoration: none;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease), background-color var(--t) var(--ease);
}

.page-about .about-jump__link .mono {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--c-mist);
  transition: color var(--t) var(--ease);
}

.page-about .about-jump__link:hover,
.page-about .about-jump__link:focus-visible {
  color: var(--c-cyan);
  border-color: var(--c-cyan);
  background: rgba(79, 227, 208, 0.06);
}

.page-about .about-jump__link:hover .mono,
.page-about .about-jump__link:focus-visible .mono {
  color: var(--c-orange);
}

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

/* ---------- 首屏数据锚点 ---------- */
.page-about .about-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px 18px;
  margin: clamp(30px, 5vw, 52px) 0 0;
  padding: clamp(22px, 3.5vw, 34px) 0 0;
  border-top: var(--hair);
  list-style: none;
}

.page-about .about-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-width: 0;
}

.page-about .about-hero__facts .mono {
  font-size: clamp(24px, 3.2vw, 38px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--c-cyan);
}

.page-about .about-hero__facts li:nth-child(3) .mono {
  color: var(--c-orange);
}

.page-about .about-hero__facts em {
  font-style: normal;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--c-mist);
}

/* ---------- 首屏主图 ---------- */
.page-about .about-hero__figure {
  position: relative;
  margin: clamp(30px, 5vw, 56px) auto 0;
  border: var(--hair);
  background: var(--c-layer);
  overflow: hidden;
  line-height: 0;
}

.page-about .about-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-about .about-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(10, 22, 38, 0) 42%, rgba(10, 22, 38, 0.62) 100%);
}

/* ---------- 章节骨架 ---------- */
.page-about .about-sec {
  padding: var(--about-sec-pad) 0;
  border-top: var(--hair);
}

.page-about .about-hero + .about-sec {
  border-top: none;
}

.page-about .about-sec--layer {
  background: var(--c-layer);
}

.page-about .about-sec__grid {
  display: grid;
  gap: 22px;
}

@media (min-width: 880px) {
  .page-about .about-sec__grid {
    grid-template-columns: var(--about-aside) minmax(0, 1fr);
    column-gap: var(--about-gap);
    align-items: start;
  }
}

.page-about .about-sec__aside {
  display: block;
  padding: 0 0 14px;
  border-bottom: 1px solid var(--c-line);
}

@media (min-width: 880px) {
  .page-about .about-sec__aside {
    padding: 2px 0 2px 16px;
    border-bottom: none;
    border-left: 2px solid var(--c-line);
  }
}

.page-about .about-sec__num {
  display: block;
  margin-bottom: 10px;
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--c-cyan);
}

.page-about .about-sec__kicker {
  display: block;
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--c-text);
}

.page-about .about-sec__meta {
  display: block;
  margin-top: 7px;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--c-mist);
}

.page-about .about-sec__title {
  margin: 0 0 22px;
  max-width: 20em;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--c-text);
}

.page-about .about-sec__intro {
  margin: 0 0 24px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-text-2);
}

/* 段落编号前缀代替首行缩进 */
.page-about .about-sec__body .prose {
  counter-reset: about-p;
}

.page-about .about-sec__body .prose > p::before {
  counter-increment: about-p;
  content: counter(about-p, decimal-leading-zero);
  display: inline-block;
  margin-right: 10px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--c-orange);
  vertical-align: 0.32em;
}

.page-about .about-sec__body .note {
  margin-top: 26px;
  font-size: 13px;
  line-height: 1.75;
}

/* ---------- 三个职能小组 ---------- */
.page-about .about-roles {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--c-line);
  border: var(--hair);
}

.page-about .about-roles__item {
  display: grid;
  gap: 8px;
  padding: 22px 20px;
  background: var(--c-layer);
}

@media (min-width: 700px) {
  .page-about .about-roles__item {
    grid-template-columns: 44px minmax(0, 1fr);
    grid-template-rows: auto auto;
    column-gap: 18px;
    align-items: start;
    padding: 26px 24px;
  }

  .page-about .about-roles__idx {
    grid-column: 1;
    grid-row: 1 / 3;
  }

  .page-about .about-roles__name {
    grid-column: 2;
    grid-row: 1;
  }

  .page-about .about-roles__text {
    grid-column: 2;
    grid-row: 2;
  }
}

.page-about .about-roles__idx {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-orange);
}

.page-about .about-roles__name {
  margin: 0;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--c-text);
}

.page-about .about-roles__text {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-text-2);
}

.page-about .about-roles + .figure {
  margin-top: 30px;
}

/* ---------- 折叠说明 ---------- */
.page-about .about-folds {
  margin-top: 30px;
  border-top: var(--hair);
}

.page-about .about-folds .fold {
  border-bottom: var(--hair);
}

/* ---------- 资料规模 ---------- */
.page-about .about-scale {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 6px;
  background: var(--c-line);
  border: var(--hair);
}

@media (min-width: 620px) {
  .page-about .about-scale {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-about .about-scale__item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(22px, 3.5vw, 34px) clamp(18px, 3vw, 28px);
  background: var(--c-ink);
  min-width: 0;
}

.page-about .about-scale__num {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-size: clamp(32px, 5.2vw, 54px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--c-cyan);
}

.page-about .about-scale__unit {
  font-size: 0.4em;
  letter-spacing: 0.04em;
  color: var(--c-orange);
}

.page-about .about-scale__label {
  max-width: 34ch;
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-text-2);
}

.page-about .about-scale__foot {
  margin-top: 22px;
  max-width: 60ch;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--c-mist);
}

/* ---------- 发展时间轴 ---------- */
.page-about .about-tl {
  margin: 0 0 34px;
  padding: 0;
  list-style: none;
}

.page-about .about-tl__item {
  position: relative;
  display: grid;
  grid-template-columns: 22px 70px minmax(0, 1fr);
  padding-bottom: 30px;
}

.page-about .about-tl__item::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 14px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--c-line), rgba(30, 58, 92, 0.25));
}

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

.page-about .about-tl__item:last-child::before {
  display: none;
}

.page-about .about-tl__node {
  display: block;
  width: 7px;
  height: 7px;
  margin-top: 7px;
  border-radius: 50%;
  border: 1px solid var(--c-cyan);
  background: var(--c-ink);
  box-shadow: 0 0 0 4px rgba(79, 227, 208, 0.08);
}

.page-about .about-tl__year {
  display: block;
  padding: 3px 14px 0 0;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--c-orange);
}

.page-about .about-tl__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--c-text);
}

.page-about .about-tl__text {
  margin: 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-text-2);
}

.page-about .about-tl__note {
  margin: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  padding-left: 12px;
  border-left: 1px solid transparent;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--c-mist);
  transition: max-height var(--t) var(--ease), opacity var(--t) var(--ease),
    margin-top var(--t) var(--ease), border-color var(--t) var(--ease);
}

.page-about .about-tl__item:hover .about-tl__note,
.page-about .about-tl__item:focus-within .about-tl__note {
  max-height: 7em;
  opacity: 1;
  margin-top: 10px;
  border-left-color: var(--c-cyan);
}

@media (hover: none) {
  .page-about .about-tl__note {
    max-height: 7em;
    opacity: 1;
    margin-top: 10px;
    border-left-color: var(--c-line);
  }
}

.page-about .about-tl + .figure {
  margin-top: 6px;
}

/* ---------- 合作生态 ---------- */
.page-about .about-partners {
  display: grid;
  gap: 18px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 700px) {
  .page-about .about-partners {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
}

.page-about .about-partners__item {
  padding-top: 16px;
  border-top: 2px solid var(--c-line);
}

.page-about .about-partners__item:nth-child(1) {
  border-top-color: var(--c-cyan);
}

.page-about .about-partners__item:nth-child(2) {
  border-top-color: var(--c-orange);
}

.page-about .about-partners__item:nth-child(3) {
  border-top-color: var(--c-mist);
}

.page-about .about-partners__label {
  display: block;
  margin-bottom: 10px;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--c-mist);
}

.page-about .about-partners__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-text-2);
}

/* ---------- 页尾索引 ---------- */
.page-about .about-next {
  margin-top: 4px;
}

/* ---------- 窄屏微调 ---------- */
@media (max-width: 520px) {
  .page-about .about-tl__item {
    grid-template-columns: 20px 56px minmax(0, 1fr);
  }

  .page-about .about-tl__year {
    padding-right: 10px;
    font-size: 12px;
  }

  .page-about .about-jump__link {
    padding: 6px 11px;
    font-size: 12px;
  }
}
<<<END>>>