/* 品牌档案 · page-about */
.page-about {
  --about-line: rgba(245, 247, 250, .16);
  --about-soft: rgba(245, 247, 250, .72);
  --about-card-bg: rgba(245, 247, 250, .06);
  --about-frame-bg: #0E2145;
  background-color: var(--color-deep);
  color: var(--color-light);
  overflow-x: clip;
  min-height: 100vh;
}

.page-about .breadcrumb {
  max-width: var(--content-max);
  margin-inline: auto;
  padding-top: 28px;
}

.page-about .about-story,
.page-about .about-milestones,
.page-about .about-local,
.page-about .about-commit {
  scroll-margin-top: 80px;
}

/* ===== Hero ===== */
.page-about .about-hero {
  position: relative;
  padding: 44px 0 52px;
  background:
    radial-gradient(circle at 82% 18%, rgba(0, 212, 255, .18), transparent 40%),
    radial-gradient(circle at 8% 70%, rgba(123, 47, 190, .32), transparent 46%);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: 10%;
  right: 3%;
  width: 190px;
  height: 190px;
  background: linear-gradient(135deg, var(--color-gold), transparent 64%);
  opacity: .16;
  clip-path: polygon(0 0, 72% 0, 100% 100%, 0 70%);
  pointer-events: none;
}

.page-about .about-hero__grid {
  position: relative;
  display: grid;
  gap: 36px;
  align-items: center;
}

.page-about .about-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  padding: 6px 14px;
  border: 1px solid rgba(0, 212, 255, .4);
  border-radius: var(--radius-pill);
  color: var(--color-cyan);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
}

.page-about .about-hero__content h1 {
  margin: 0 0 18px;
  font-size: clamp(28px, 5vw, 48px);
  line-height: 1.2;
  letter-spacing: 1px;
  color: var(--color-light);
}

.page-about .about-hero__lead {
  margin: 0 0 28px;
  max-width: 640px;
  color: var(--about-soft);
  font-size: 16px;
  line-height: 1.8;
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .about-hero__stats li {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(245, 247, 250, .07);
  border: 1px solid var(--about-line);
}

.page-about .about-hero__stats strong {
  display: block;
  font-size: 26px;
  line-height: 1.2;
  color: var(--color-gold);
}

.page-about .about-hero__stats span {
  font-size: 13px;
  color: var(--about-soft);
}

.page-about .about-hero__frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(123, 47, 190, .4);
  background: var(--about-frame-bg);
  box-shadow: 0 0 30px rgba(123, 47, 190, .25);
}

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

/* ===== 本页目录 ===== */
.page-about .about-index {
  border-block: 1px solid rgba(245, 247, 250, .12);
  background: var(--about-frame-bg);
}

.page-about .about-index__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-block: 14px;
}

.page-about .about-index a {
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  color: var(--color-light);
  background: rgba(245, 247, 250, .07);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.page-about .about-index a:hover,
.page-about .about-index a:focus-visible {
  background: var(--color-electro);
  color: var(--color-light);
  transform: translateY(-2px);
}

/* ===== 品牌故事 ===== */
.page-about .about-story {
  padding: 68px 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, .03), transparent 40%);
}

.page-about .about-story__grid {
  display: grid;
  gap: 36px;
}

.page-about .about-story__main h2,
.page-about .about-milestones__head h2,
.page-about .about-local__content h2,
.page-about .about-commit__head h2 {
  position: relative;
  margin: 0 0 16px;
  padding-bottom: 16px;
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.2;
}

.page-about .about-story__main h2::after,
.page-about .about-milestones__head h2::after,
.page-about .about-local__content h2::after,
.page-about .about-commit__head h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 56px;
  height: 4px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--color-gold), var(--color-cyan));
}

.page-about .about-story__main p {
  margin: 0 0 20px;
  color: var(--about-soft);
  line-height: 1.9;
  font-size: 16px;
}

.page-about .about-story__aside {
  position: relative;
  padding: 24px 0 0 24px;
  border-left: 2px solid rgba(240, 185, 11, .4);
}

.page-about .about-story__aside blockquote {
  margin: 16px 0 20px;
  padding: 0;
}

.page-about .about-story__aside blockquote p {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--color-light);
}

.page-about .about-story__aside-note {
  margin: 0;
  font-size: 13px;
  color: var(--about-soft);
  letter-spacing: 1px;
}

/* ===== 发展里程碑 ===== */
.page-about .about-milestones {
  padding: 72px 0 84px;
  background:
    linear-gradient(135deg, rgba(123, 47, 190, .16), transparent 50%),
    var(--color-neutral);
}

.page-about .about-milestones__inner {
  max-width: 860px;
  margin-inline: auto;
}

.page-about .about-milestones__head p {
  margin: 0 0 32px;
  color: var(--about-soft);
  font-size: 16px;
  line-height: 1.7;
}

.page-about .about-timeline {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-electro), var(--color-cyan) 55%, var(--color-gold));
  opacity: .75;
}

.page-about .about-timeline__item {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 16px;
  padding-bottom: 36px;
}

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

.page-about .about-timeline__dot {
  justify-self: center;
  width: 16px;
  height: 16px;
  margin-top: 12px;
  border-radius: 50%;
  background: var(--color-gold);
  box-shadow: 0 0 0 5px rgba(240, 185, 11, .15), 0 0 16px rgba(240, 185, 11, .4);
}

.page-about .about-timeline__card {
  padding: 18px 20px;
  border: 1px solid var(--about-line);
  border-radius: var(--radius-md);
  background: var(--about-card-bg);
  transition: background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.page-about .about-timeline__card:hover {
  background: rgba(245, 247, 250, .1);
  box-shadow: 0 14px 30px rgba(0, 0, 0, .35);
  transform: translateY(-3px);
}

.page-about .about-timeline__year {
  display: inline-flex;
  margin-bottom: 10px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--color-electro), var(--color-purple-bright));
  color: var(--color-light);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
}

.page-about .about-timeline__card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.3;
  color: var(--color-light);
}

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

/* ===== 本地化服务 ===== */
.page-about .about-local {
  position: relative;
  padding: 72px 0;
  background:
    linear-gradient(135deg, rgba(0, 212, 255, .08), transparent 40%),
    var(--color-deep);
}

.page-about .about-local__grid {
  display: grid;
  gap: 36px;
  align-items: center;
}

.page-about .about-local__frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--about-frame-bg);
  border: 1px solid rgba(0, 212, 255, .22);
}

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

.page-about .about-local__map-pop {
  position: absolute;
  top: 16px;
  left: 16px;
  display: flex;
  flex-direction: column;
  padding: 14px 18px;
  border-radius: 16px;
  background: rgba(11, 27, 61, .85);
  border: 1px solid rgba(240, 185, 11, .5);
  backdrop-filter: blur(6px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .35);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.page-about .about-local__map-pop strong {
  font-size: 15px;
  color: var(--color-gold);
}

.page-about .about-local__map-pop span {
  font-size: 12px;
  color: var(--color-light);
  margin-top: 4px;
}

@media (hover: hover) {
  .page-about .about-local__frame:hover .about-local__map-pop,
  .page-about .about-local__map-pop:focus-visible {
    opacity: .9;
    transform: scale(1.03);
  }
}

.page-about .about-local__eyebrow {
  margin: 0 0 10px;
  color: var(--color-cyan);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
}

.page-about .about-local__content > p {
  margin: 0 0 20px;
  color: var(--about-soft);
  line-height: 1.8;
}

.page-about .about-local__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-about .about-local__list li {
  position: relative;
  padding: 14px 18px 14px 44px;
  border-radius: var(--radius-md);
  background: rgba(245, 247, 250, .07);
  border: 1px solid var(--about-line);
  color: var(--color-light);
  font-size: 15px;
  line-height: 1.6;
}

.page-about .about-local__list li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 22px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-gold);
  box-shadow: 0 0 12px rgba(240, 185, 11, .45);
}

/* ===== 服务承诺 ===== */
.page-about .about-commit {
  padding: 72px 0 84px;
  background:
    radial-gradient(circle at 85% 20%, rgba(165, 94, 234, .14), transparent 34%),
    var(--color-neutral);
}

.page-about .about-commit__head p {
  margin: 0 0 36px;
  color: var(--about-soft);
  font-size: 16px;
  line-height: 1.7;
}

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

.page-about .about-commit__card {
  padding: 28px 24px;
  border: 1px solid var(--about-line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(145deg, rgba(123, 47, 190, .14), transparent 70%),
    rgba(245, 247, 250, .05);
  transition: background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.page-about .about-commit__card:hover {
  background:
    linear-gradient(145deg, rgba(123, 47, 190, .26), transparent 70%),
    rgba(245, 247, 250, .08);
  box-shadow: 0 18px 40px rgba(0, 0, 0, .4);
  transform: translateY(-4px);
}

.page-about .about-commit__card h3 {
  position: relative;
  margin: 0 0 14px;
  padding-left: 20px;
  font-size: 20px;
  color: var(--color-light);
}

.page-about .about-commit__card h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 6px;
  height: 20px;
  border-radius: var(--radius-pill);
  background: linear-gradient(180deg, var(--color-gold), var(--color-cyan));
}

.page-about .about-commit__card p {
  margin: 0;
  color: var(--about-soft);
  line-height: 1.8;
  font-size: 15px;
}

.page-about .about-commit__media {
  display: grid;
  gap: 24px;
  margin-top: 36px;
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(240, 185, 11, .3);
  background: linear-gradient(135deg, rgba(240, 185, 11, .1), rgba(0, 212, 255, .06));
  align-items: center;
}

.page-about .about-commit__frame {
  width: 100%;
  max-width: 280px;
  margin-inline: auto;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid rgba(240, 185, 11, .35);
  background: var(--about-frame-bg);
  aspect-ratio: 1 / 1;
}

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

.page-about .about-commit__note h3 {
  margin: 0 0 10px;
  font-size: 22px;
  color: var(--color-gold);
}

.page-about .about-commit__note p {
  margin: 0;
  color: var(--about-soft);
  line-height: 1.8;
}

/* ===== CTA ===== */
.page-about .about-cta {
  padding: 64px 0 72px;
  background:
    linear-gradient(160deg, var(--color-purple-deep), var(--color-deep) 70%),
    var(--color-deep);
}

.page-about .about-cta__inner {
  text-align: center;
}

.page-about .about-cta h2 {
  margin: 0 0 12px;
  font-size: clamp(24px, 4vw, 36px);
  color: var(--color-light);
}

.page-about .about-cta p {
  max-width: 460px;
  margin: 0 auto 32px;
  color: var(--about-soft);
  line-height: 1.7;
}

.page-about .about-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.page-about .about-cta__links .btn {
  margin: 0;
}

/* ===== 响应式增强 ===== */
@media (min-width: 600px) {
  .page-about .about-hero__stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .about-commit__media {
    grid-template-columns: auto 1fr;
    gap: 32px;
  }
}

@media (min-width: 900px) {
  .page-about .about-index {
    position: sticky;
    top: 72px;
    z-index: 15;
  }

  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 56px;
  }

  .page-about .about-story__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr);
    gap: 64px;
  }

  .page-about .about-story__main p {
    font-size: 17px;
  }

  .page-about .about-local__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 56px;
  }

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

  .page-about .about-commit__card {
    padding: 32px 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about * {
    animation: none !important;
    transition: none !important;
  }
}