.page-about {
  --about-stroke: rgba(255, 255, 255, 0.14);
  --about-line: rgba(74, 144, 217, 0.4);
  --about-card-border: rgba(10, 31, 60, 0.08);
}

/* ===== Hero ===== */
.page-about .about-hero {
  position: relative;
  padding-top: 1.75rem;
  padding-bottom: 3.25rem;
  background-color: var(--c-deep);
  color: var(--c-white);
  overflow: hidden;
}
.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}
.page-about .about-hero::after {
  content: "";
  position: absolute;
  right: -8%;
  bottom: -3rem;
  width: 72%;
  height: 90px;
  background: linear-gradient(
    135deg,
    transparent 38%,
    rgba(57, 255, 20, 0.12) 38%,
    rgba(57, 255, 20, 0.12) 46%,
    transparent 46%,
    transparent 58%,
    rgba(255, 107, 53, 0.16) 58%,
    rgba(255, 107, 53, 0.16) 66%,
    transparent 66%
  );
  pointer-events: none;
}
.page-about .about-hero .container {
  position: relative;
  z-index: 1;
}
.page-about .about-hero__grid {
  display: grid;
  gap: 2.25rem;
  margin-top: 2.25rem;
}
.page-about .about-hero__main {
  max-width: 46rem;
}
.page-about .about-hero .kicker {
  color: var(--c-neon);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.page-about .about-hero h1 {
  margin: 0.85rem 0 1rem;
  font-family: var(--font-head);
  font-size: clamp(2.1rem, 5.4vw, 3.6rem);
  line-height: 1.04;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--c-white);
}
.page-about .about-hero .lead {
  margin: 0;
  max-width: 58ch;
  color: var(--c-cloud);
  font-size: 1.05rem;
  line-height: 1.75;
}
.page-about .about-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}
.page-about .about-hero .tag--outline {
  border: 1px solid rgba(255, 255, 255, 0.55);
  background: transparent;
  color: var(--c-white);
}
.page-about .about-hero__facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--about-stroke);
  background: rgba(10, 31, 60, 0.5);
}
.page-about .about-fact {
  padding: 1rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.page-about .about-fact:nth-child(2n) {
  border-right: 0;
}
.page-about .about-fact:nth-last-child(-n + 2) {
  border-bottom: 0;
}
.page-about .about-fact__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  color: var(--c-neon);
}
.page-about .about-fact__label {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--c-cloud);
  opacity: 0.9;
}

/* ===== 面包屑 ===== */
.page-about .about-breadcrumb {
  color: rgba(255, 255, 255, 0.62);
}
.page-about .about-breadcrumb .breadcrumb__item {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}
.page-about .about-breadcrumb .breadcrumb__item:hover {
  color: var(--c-white);
}
.page-about .about-breadcrumb .breadcrumb__item[aria-current="page"] {
  color: var(--c-neon);
}
.page-about .about-breadcrumb .breadcrumb__sep {
  color: rgba(255, 255, 255, 0.4);
}

/* ===== 时间线 ===== */
.page-about .about-timeline {
  padding-top: 4rem;
  padding-bottom: 4rem;
}
.page-about .about-timeline__rail {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 2.5rem;
}
.page-about .about-timeline__rail::before {
  content: "";
  position: absolute;
  left: 5.25rem;
  top: 1rem;
  bottom: 1rem;
  width: 2px;
  background: var(--about-line);
  opacity: 0.45;
}
.page-about .about-timeline__item {
  display: grid;
  grid-template-columns: 5.25rem minmax(0, 1fr);
  gap: 1rem;
  position: relative;
}
.page-about .about-timeline__year {
  position: relative;
  padding-top: 0.55rem;
  text-align: right;
  color: var(--c-deep);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.page-about .about-timeline__year::before {
  content: "";
  position: absolute;
  left: 5.25rem;
  top: 1.05rem;
  width: 10px;
  height: 10px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: var(--c-neon);
  box-shadow: 0 0 0 4px rgba(57, 255, 20, 0.14);
  transition: box-shadow 0.2s ease;
}
.page-about .about-timeline__item:hover .about-timeline__year::before {
  box-shadow: 0 0 0 9px rgba(57, 255, 20, 0.2);
}
.page-about .about-timeline__card {
  background: var(--c-white);
  border: 1px solid var(--about-card-border);
  border-left: 3px solid var(--c-data);
  padding: 1.1rem 1.25rem;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.page-about .about-timeline__card:hover {
  box-shadow: 0 8px 24px rgba(10, 31, 60, 0.08);
  transform: translateY(-2px);
}
.page-about .about-timeline__card h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-body);
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--c-deep);
}
.page-about .about-timeline__card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--c-iron);
}
.page-about .about-timeline__frame {
  margin-top: 3rem;
  margin-bottom: 0;
  background: var(--c-white);
  border: 1px solid var(--about-card-border);
  padding: 0.5rem;
}
.page-about .about-timeline__frame img {
  display: block;
  width: 100%;
  height: auto;
}
.page-about .about-timeline__caption {
  display: block;
  margin-top: 0.6rem;
  color: var(--c-iron);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-align: right;
}

/* ===== 资质与荣誉 ===== */
.page-about .about-awards {
  background: var(--c-obsidian);
  color: var(--c-white);
  padding-top: 4rem;
  padding-bottom: 4rem;
}
.page-about .about-awards .index-head__title {
  color: var(--c-white);
}
.page-about .about-awards .index-head__bar {
  background: linear-gradient(90deg, var(--c-neon), transparent);
}
.page-about .about-awards__grid {
  display: grid;
  gap: 1.25rem;
  margin-top: 2.5rem;
  grid-template-columns: 1fr;
}
.page-about .about-award {
  position: relative;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 1.5rem;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.page-about .about-award:hover {
  border-color: var(--c-neon);
  background: rgba(57, 255, 20, 0.05);
}
.page-about .about-award__idx {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 0.78rem;
  color: var(--c-iron-light);
  letter-spacing: 0.08em;
}
.page-about .about-award__icon {
  width: 3.25rem;
  height: 3.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(10, 31, 60, 0.5);
  color: var(--c-neon);
  margin-bottom: 1.1rem;
  transition: transform 0.2s ease;
}
.page-about .about-award:hover .about-award__icon {
  transform: rotate(-6deg) scale(1.06);
}
.page-about .about-award h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-white);
}
.page-about .about-award p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--c-cloud);
  opacity: 0.82;
}
.page-about .about-awards__figure {
  margin: 2.25rem 0 0;
  border: 1px solid rgba(255, 255, 255, 0.14);
}
.page-about .about-awards__figure img {
  display: block;
  width: 100%;
  height: auto;
}

/* ===== 团队与规模 ===== */
.page-about .about-team {
  padding-top: 4rem;
  padding-bottom: 4rem;
}
.page-about .about-team__lead {
  margin: 1.5rem 0 2.5rem;
  padding-left: 1.25rem;
  border-left: 3px solid var(--c-orange);
  max-width: 64ch;
  color: #3b526d;
  font-size: 1rem;
  line-height: 1.75;
}
.page-about .about-team__grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}
.page-about .about-team__unit {
  position: relative;
  background: var(--c-white);
  border: 1px solid var(--about-card-border);
  padding: 1.5rem 1.25rem;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.page-about .about-team__unit::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 2.75rem;
  background: var(--c-data);
  transition: height 0.2s ease;
}
.page-about .about-team__unit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(10, 31, 60, 0.08);
}
.page-about .about-team__unit:hover::before {
  height: 100%;
}
.page-about .about-team__idx {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  font-size: 0.78rem;
  color: var(--c-iron-light);
  letter-spacing: 0.08em;
}
.page-about .about-team__count {
  display: inline-block;
  margin-bottom: 0.85rem;
  font-size: 1.7rem;
  font-weight: 600;
  color: var(--c-orange);
}
.page-about .about-team__unit h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-deep);
}
.page-about .about-team__unit p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--c-iron);
}

/* ===== 合作生态 ===== */
.page-about .about-partners {
  background: var(--c-deep);
  color: var(--c-white);
  padding-top: 4rem;
  padding-bottom: 4rem;
}
.page-about .about-partners .index-head__title {
  color: var(--c-white);
}
.page-about .about-partners .index-head__bar {
  background: linear-gradient(90deg, var(--c-neon), transparent);
}
.page-about .about-partners__layout {
  display: grid;
  gap: 2rem;
  margin-top: 2.5rem;
}
.page-about .about-partners__map {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1rem;
  border: 1px solid var(--about-stroke);
  background: rgba(10, 31, 60, 0.5);
}
.page-about .about-partners__core {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--c-neon);
  background: rgba(10, 31, 60, 0.92);
  box-shadow: 0 0 24px rgba(57, 255, 20, 0.12);
}
.page-about .about-partners__core-name {
  font-family: var(--font-head);
  font-size: 0.98rem;
  color: var(--c-neon);
  line-height: 1.25;
  text-transform: uppercase;
}
.page-about .about-partners__core-note {
  font-size: 0.72rem;
  color: var(--c-cloud);
  opacity: 0.85;
}
.page-about .about-partners__node {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.7rem 1rem;
  border: 1px solid var(--c-data);
  background: rgba(10, 31, 60, 0.96);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.page-about .about-partners__node:hover,
.page-about .about-partners__node:focus-within {
  border-color: var(--c-neon);
  box-shadow: 0 0 24px rgba(57, 255, 20, 0.22);
}
.page-about .about-partners__node-name {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--c-white);
}
.page-about .about-partners__node-desc {
  font-size: 0.76rem;
  color: var(--c-cloud);
  opacity: 0.8;
}
.page-about .about-partners__desc {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  gap: 1.5rem;
}
.page-about .about-partners__desc p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--c-cloud);
  opacity: 0.9;
}

/* ===== 新疆本地化承诺 ===== */
.page-about .about-local {
  padding-top: 4rem;
  padding-bottom: 4rem;
}
.page-about .about-local__layout {
  display: grid;
  gap: 2.25rem;
  margin-top: 2.5rem;
}
.page-about .about-local__content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.page-about .about-local__item {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  background: var(--c-white);
  border: 1px solid var(--about-card-border);
  padding: 1.25rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.page-about .about-local__item:hover {
  transform: translateX(4px);
  box-shadow: 0 8px 24px rgba(10, 31, 60, 0.06);
}
.page-about .about-local__num {
  flex: 0 0 auto;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--c-orange);
  line-height: 1.4;
}
.page-about .about-local__item h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-deep);
}
.page-about .about-local__item p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--c-iron);
}
.page-about .about-local__frame {
  margin: 0;
  border: 1px solid var(--about-card-border);
  background: var(--c-white);
  padding: 0.5rem;
}
.page-about .about-local__frame img {
  display: block;
  width: 100%;
  height: auto;
}

/* ===== 品牌路径引导 ===== */
.page-about .about-cta {
  padding-top: 4.5rem;
  padding-bottom: 4.5rem;
}
.page-about .about-cta__inner {
  max-width: 52rem;
}
.page-about .about-cta .kicker {
  color: var(--c-neon);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
}
.page-about .about-cta h2 {
  margin: 0.85rem 0 1rem;
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3.6vw, 2.8rem);
  line-height: 1.1;
  text-transform: uppercase;
  color: var(--c-white);
}
.page-about .about-cta p {
  margin: 0 0 2rem;
  max-width: 60ch;
  color: var(--c-cloud);
  line-height: 1.75;
}
.page-about .about-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

/* ===== 响应式 ===== */
@media (min-width: 640px) {
  .page-about .about-team__grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-about .about-awards__grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-about .about-hero__facts {
    max-width: 320px;
  }
  .page-about .about-timeline__item {
    grid-template-columns: 8rem minmax(0, 1fr);
    gap: 1.5rem;
  }
  .page-about .about-timeline__rail::before {
    left: 8rem;
  }
  .page-about .about-timeline__year::before {
    left: 8rem;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    padding-top: 2.25rem;
    padding-bottom: 4.5rem;
  }
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 3rem;
    align-items: end;
  }
  .page-about .about-hero__facts {
    max-width: none;
  }
  .page-about .about-timeline__rail {
    margin-top: 3rem;
  }
  .page-about .about-timeline__item {
    grid-template-columns: 11rem minmax(0, 1fr);
    gap: 2.5rem;
  }
  .page-about .about-timeline__rail::before {
    left: 9rem;
  }
  .page-about .about-timeline__year {
    padding-right: 1.5rem;
  }
  .page-about .about-timeline__year::before {
    left: 10.5rem;
  }
  .page-about .about-timeline__frame {
    margin-top: 3.5rem;
  }
  .page-about .about-partners__layout {
    grid-template-columns: 1.3fr 0.8fr;
    align-items: center;
    gap: 2.5rem;
  }
  .page-about .about-partners__map {
    display: block;
    height: 420px;
    padding: 0;
    background-image:
      radial-gradient(circle at 50% 50%, rgba(74, 144, 217, 0.2) 0%, transparent 46%),
      linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
    background-size: auto, 38px 38px, 38px 38px;
  }
  .page-about .about-partners__map::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 300px;
    height: 300px;
    transform: translate(-50%, -50%);
    border: 1px dashed rgba(74, 144, 217, 0.5);
    border-radius: 50%;
    pointer-events: none;
  }
  .page-about .about-partners__core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 132px;
    height: 132px;
    border-radius: 50%;
    padding: 0;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    box-shadow: 0 0 40px rgba(57, 255, 20, 0.16);
    z-index: 2;
  }
  .page-about .about-partners__core-note {
    margin-top: 0.35rem;
  }
  .page-about .about-partners__node {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 150px;
    min-width: 150px;
    z-index: 1;
  }
  .page-about .about-partners__node--a {
    left: calc(50% - 216px);
    top: calc(50% - 120px);
    border-right: 2px solid rgba(57, 255, 20, 0.7);
  }
  .page-about .about-partners__node--b {
    left: calc(50% + 66px);
    top: calc(50% - 120px);
    border-left: 2px solid rgba(57, 255, 20, 0.7);
  }
  .page-about .about-partners__node--c {
    left: calc(50% - 216px);
    top: calc(50% + 66px);
    border-right: 2px solid rgba(57, 255, 20, 0.7);
  }
  .page-about .about-partners__node--d {
    left: calc(50% + 66px);
    top: calc(50% + 66px);
    border-left: 2px solid rgba(57, 255, 20, 0.7);
  }
  .page-about .about-local__layout {
    grid-template-columns: 1fr 0.9fr;
    align-items: center;
    gap: 3rem;
  }
}

@media (min-width: 1024px) {
  .page-about .about-team__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-about .about-timeline__item {
    grid-template-columns: 12rem minmax(0, 1fr);
    gap: 3rem;
  }
  .page-about .about-timeline__rail::before {
    left: 10.5rem;
  }
  .page-about .about-timeline__year::before {
    left: 12rem;
  }
  .page-about .about-partners__desc p {
    font-size: 1rem;
  }
}