.page-about {
  --c-about-line: rgba(230, 241, 255, 0.08);
  --c-about-strong: rgba(230, 241, 255, 0.14);
  --c-about-orange: #FF6B35;
  --c-about-green: #39FF14;
  --c-about-white: #E6F1FF;
  --c-about-slate: #8892B0;
  --c-about-card: #1D2D50;
  --c-about-mid: #112240;
  --font-about-head: "Noto Sans SC", "Heiti SC", "Microsoft YaHei", sans-serif;
  --font-about-num: "Roboto Mono", "SF Mono", "SFMono-Regular", "Consolas", monospace;
  --font-about-body: "Noto Sans SC", "Helvetica Neue", "Arial", sans-serif;
  background-color: var(--c-about-mid);
  background-image:
    repeating-linear-gradient(135deg, rgba(230, 241, 255, 0.025) 0 1px, transparent 1px 12px),
    repeating-linear-gradient(45deg, rgba(57, 255, 20, 0.018) 0 1px, transparent 1px 18px);
  color: var(--c-about-white);
  font-family: var(--font-about-body);
  max-width: 100%;
  overflow-x: hidden;
}
.page-about .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.page-about a {
  color: inherit;
  text-decoration: none;
}
.page-about .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  padding-left: 14px;
  color: var(--c-about-orange);
  font-family: var(--font-about-head);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  position: relative;
}
.page-about .eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  background: var(--c-about-orange);
  transform: translateY(-50%) rotate(45deg);
}
.page-about .note-vertical {
  writing-mode: vertical-rl;
  font-family: var(--font-about-num);
  font-size: 11px;
  letter-spacing: 0.36em;
  color: var(--c-about-slate);
  text-transform: uppercase;
  line-height: 1;
  white-space: nowrap;
}
.page-about .section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}
.page-about .section-head h2 {
  margin: 0;
  font-family: var(--font-about-head);
  font-size: 22px;
  line-height: 1.3;
  font-weight: 900;
  letter-spacing: 0.01em;
  color: var(--c-about-white);
}
.page-about .section-head .note-vertical {
  margin-top: 4px;
  flex: 0 0 auto;
}
.page-about .section {
  padding: 44px 0 10px;
  border-top: 1px solid var(--c-about-line);
  scroll-margin-top: 16px;
}
.page-about .pa-hero {
  background:
    linear-gradient(135deg, rgba(10, 25, 47, 0.94), rgba(17, 34, 64, 0.88)),
    repeating-linear-gradient(90deg, rgba(57, 255, 20, 0.22) 0 1px, transparent 1px 42px);
  border-bottom: 1px solid rgba(57, 255, 20, 0.3);
}
.page-about .pa-hero-inner {
  padding-top: 32px;
  padding-bottom: 38px;
}
.page-about .breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--c-about-slate);
  margin-bottom: 30px;
}
.page-about .breadcrumb a {
  color: var(--c-about-slate);
  transition: color 0.2s ease;
}
.page-about .breadcrumb a:hover {
  color: var(--c-about-orange);
}
.page-about .breadcrumb .crumb-current {
  color: var(--c-about-white);
  font-weight: 500;
}
.page-about .pa-title-mark {
  color: var(--c-about-green);
  font-weight: 400;
}
.page-about .pa-hero h1 {
  margin: 14px 0 18px;
  max-width: 1000px;
  font-family: var(--font-about-head);
  font-size: 26px;
  line-height: 1.28;
  font-weight: 900;
  letter-spacing: 0.01em;
  color: var(--c-about-white);
}
.page-about .pa-hero .lead {
  margin: 0;
  max-width: 720px;
  font-size: 14px;
  line-height: 1.8;
  color: #C7D6F0;
}
.page-about .pa-hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
}
.page-about .badge-live {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 12px;
  border: 1px solid rgba(57, 255, 20, 0.42);
  background: rgba(57, 255, 20, 0.1);
  color: var(--c-about-green);
  font-family: var(--font-about-head);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  border-radius: 0;
}
.page-about .badge-live::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-about-green);
  box-shadow: 0 0 8px rgba(57, 255, 20, 0.7);
  animation: pa-pulse 1.6s ease-in-out infinite;
}
@keyframes pa-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.78); }
}
.page-about .pa-hero-note {
  color: var(--c-about-slate);
  font-size: 13px;
  letter-spacing: 0.04em;
}
.page-about .pa-layout {
  display: block;
  padding-top: 6px;
}
.page-about .pa-chapter {
  display: none;
}
.page-about .pa-content {
  max-width: 100%;
}
.page-about .pa-mission p,
.page-about .pa-timeline p,
.page-about .pa-stat-card p,
.page-about .pa-team-card p,
.page-about .pa-partner-card p,
.page-about .pa-contact-box p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: #C7D6F0;
}
.page-about .pa-tone-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}
.page-about .pa-tone-row span {
  padding: 6px 14px;
  border: 1px solid var(--c-about-strong);
  background: rgba(29, 45, 80, 0.4);
  font-family: var(--font-about-head);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}
.page-about .pa-tone-row span:hover {
  border-color: rgba(255, 107, 53, 0.65);
  color: var(--c-about-orange);
  background: rgba(255, 107, 53, 0.06);
}
.page-about .img-shell {
  display: block;
  max-width: 100%;
  border: 1px solid var(--c-about-line);
}
.page-about .img-shell img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-about .pa-timeline-img {
  margin: 0 0 24px;
}
.page-about .pa-timeline-img img {
  aspect-ratio: 16 / 12;
  max-height: 320px;
}
.page-about .pa-timeline-list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}
.page-about .pa-timeline-list::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, rgba(255, 107, 53, 0.75), rgba(57, 255, 20, 0.35));
}
.page-about .pa-tl-item {
  position: relative;
  padding: 0 0 26px 32px;
}
.page-about .pa-tl-marker {
  position: absolute;
  left: 3px;
  top: 8px;
  width: 9px;
  height: 9px;
  border: 1px solid var(--c-about-green);
  background: var(--c-about-mid);
  transform: rotate(45deg);
  transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
.page-about .pa-tl-item:hover .pa-tl-marker {
  background: var(--c-about-green);
  box-shadow: 0 0 10px rgba(57, 255, 20, 0.45);
  transform: rotate(45deg) scale(1.25);
}
.page-about .pa-tl-highlight .pa-tl-marker {
  border-color: var(--c-about-orange);
}
.page-about .pa-tl-highlight:hover .pa-tl-marker {
  background: var(--c-about-orange);
  box-shadow: 0 0 10px rgba(255, 107, 53, 0.55);
}
.page-about .pa-tl-year {
  font-family: var(--font-about-num);
  font-size: 13px;
  font-weight: 500;
  color: var(--c-about-green);
  letter-spacing: 0.08em;
  transition: color 0.2s ease;
}
.page-about .pa-tl-highlight .pa-tl-year {
  color: var(--c-about-orange);
}
.page-about .pa-tl-card {
  margin-top: 6px;
  padding: 14px 16px 16px;
  background: rgba(17, 34, 64, 0.5);
  border: 1px solid var(--c-about-line);
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}
.page-about .pa-tl-card:hover {
  border-color: rgba(255, 107, 53, 0.45);
  background: rgba(29, 45, 80, 0.55);
  transform: translateX(3px);
}
.page-about .pa-tl-card h3 {
  margin: 0 0 6px;
  font-family: var(--font-about-head);
  font-size: 16px;
  font-weight: 800;
  color: var(--c-about-white);
}
.page-about .pa-tl-card p {
  margin: 0;
}
.page-about .pa-timeline-list .pa-tl-item:last-child {
  padding-bottom: 0;
}
.page-about .pa-data {
  padding-top: 58px;
}
.page-about .pa-data-bg {
  position: relative;
  margin: 0 0 22px;
  overflow: hidden;
}
.page-about .pa-data-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 25, 47, 0.22), rgba(17, 34, 64, 0.82));
}
.page-about .pa-data-bg img {
  aspect-ratio: auto 1920 / 400;
  max-height: 260px;
}
.page-about .pa-stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.page-about .pa-stat-card {
  position: relative;
  padding: 18px 18px 20px;
  background: rgba(29, 45, 80, 0.42);
  border-top: 2px solid rgba(230, 241, 255, 0.14);
  border-bottom: 1px solid var(--c-about-line);
  overflow: hidden;
}
.page-about .pa-stat-card::after {
  content: "";
  position: absolute;
  right: -18px;
  top: -18px;
  width: 64px;
  height: 64px;
  border: 1px solid rgba(137, 146, 176, 0.16);
  transform: rotate(45deg);
  pointer-events: none;
}
.page-about .pa-stat-card .stat-label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--c-about-slate);
  letter-spacing: 0.06em;
}
.page-about .pa-stat-card .stat-num {
  display: block;
  margin-top: 10px;
  font-family: var(--font-about-num);
  font-size: 42px;
  font-weight: 500;
  line-height: 1;
  color: var(--c-about-white);
}
.page-about .pa-stat-card .stat-unit {
  display: inline-block;
  margin-top: 8px;
  font-size: 13px;
  color: var(--c-about-green);
  letter-spacing: 0.04em;
}
.page-about .pa-stat-feature {
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.12), rgba(29, 45, 80, 0.6));
  border-top-color: rgba(255, 107, 53, 0.7);
}
.page-about .pa-stat-feature .stat-num {
  color: var(--c-about-orange);
}
.page-about .pa-stat-feature .stat-unit {
  color: var(--c-about-orange);
}
.page-about .pa-stats-foot {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin-top: 16px;
  padding: 14px 16px;
  background: rgba(10, 25, 47, 0.5);
  border-left: 3px solid rgba(57, 255, 20, 0.55);
  font-family: var(--font-about-num);
  font-size: 12px;
  color: var(--c-about-slate);
  letter-spacing: 0.03em;
}
.page-about .pa-stats-foot span:first-child {
  color: var(--c-about-white);
  font-weight: 600;
  letter-spacing: 0.1em;
}
.page-about .pa-team-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  align-items: start;
}
.page-about .pa-badge-icon {
  width: 100%;
  max-width: 168px;
  margin: 0 auto;
  border: 1px solid var(--c-about-line);
  background: rgba(17, 34, 64, 0.5);
}
.page-about .pa-badge-icon img {
  display: block;
  width: 100%;
  height: auto;
}
.page-about .pa-team-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.page-about .pa-team-card {
  padding: 18px 18px 20px;
  background: rgba(29, 45, 80, 0.42);
  border: 1px solid var(--c-about-line);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.page-about .pa-team-card:hover {
  border-color: rgba(57, 255, 20, 0.35);
  transform: translateY(-2px);
}
.page-about .pa-team-num {
  font-family: var(--font-about-num);
  font-size: 13px;
  color: var(--c-about-orange);
  letter-spacing: 0.14em;
}
.page-about .pa-team-card h3 {
  margin: 4px 0 0;
  font-family: var(--font-about-head);
  font-size: 17px;
  font-weight: 800;
  color: var(--c-about-white);
}
.page-about .pa-partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.page-about .pa-partner-card {
  padding: 20px 18px;
  background: rgba(17, 34, 64, 0.5);
  border-bottom: 2px solid rgba(230, 241, 255, 0.1);
  transition: border-color 0.2s ease, background 0.2s ease;
}
.page-about .pa-partner-card:hover {
  border-bottom-color: var(--c-about-orange);
  background: rgba(29, 45, 80, 0.5);
}
.page-about .pa-partner-tag {
  display: inline-block;
  padding: 3px 8px;
  border: 1px solid rgba(255, 107, 53, 0.42);
  color: var(--c-about-orange);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
}
.page-about .pa-partner-card h3 {
  margin: 10px 0 0;
  font-family: var(--font-about-head);
  font-size: 18px;
  font-weight: 800;
  color: var(--c-about-white);
}
.page-about .pa-honor-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 22px;
}
.page-about .pa-trust-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 13px 16px;
  background: rgba(10, 25, 47, 0.45);
  border: 1px solid var(--c-about-line);
  font-family: var(--font-about-head);
  font-size: 14px;
  font-weight: 600;
  color: var(--c-about-white);
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}
.page-about .pa-trust-item span[aria-hidden="true"] {
  color: var(--c-about-orange);
  font-family: var(--font-about-num);
  font-size: 15px;
  transition: transform 0.2s ease;
}
.page-about a.pa-trust-item:hover {
  border-color: rgba(255, 107, 53, 0.55);
  background: rgba(255, 107, 53, 0.06);
  color: var(--c-about-white);
}
.page-about a.pa-trust-item:hover span[aria-hidden="true"] {
  transform: translateX(4px);
}
.page-about .pa-trust-item.is-plain {
  cursor: default;
}
.page-about .pa-contact-box {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  padding: 26px 20px;
  background:
    linear-gradient(135deg, rgba(255, 107, 53, 0.08), rgba(17, 34, 64, 0.8)),
    repeating-linear-gradient(135deg, rgba(255, 107, 53, 0.07) 0 1px, transparent 1px 10px);
  border: 1px solid rgba(255, 107, 53, 0.3);
}
.page-about .pa-contact-box h2 {
  margin: 0;
  font-family: var(--font-about-head);
  font-size: 20px;
  font-weight: 900;
  color: var(--c-about-white);
  line-height: 1.35;
}
.page-about .pa-contact-action {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}
.page-about .btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  background: linear-gradient(90deg, #FF6B35, #FFA500);
  color: #0A192F;
  font-family: var(--font-about-head);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.04em;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.page-about .btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 107, 53, 0.32);
}
.page-about .guide-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border: 1px solid rgba(230, 241, 255, 0.28);
  font-family: var(--font-about-head);
  font-size: 14px;
  font-weight: 600;
  color: var(--c-about-white);
  transition: border-color 0.2s ease, color 0.2s ease;
}
.page-about .guide-link:hover {
  border-color: var(--c-about-green);
  color: var(--c-about-green);
}
.page-about .pa-foot-note {
  margin-top: 44px;
  padding: 22px 0;
  background: rgba(10, 25, 47, 0.55);
  border-top: 1px solid rgba(57, 255, 20, 0.28);
}
.page-about .pa-foot-note-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}
.page-about .pa-foot-badge {
  padding: 5px 12px;
  background: rgba(57, 255, 20, 0.1);
  border: 1px solid rgba(57, 255, 20, 0.42);
  color: var(--c-about-green);
  font-family: var(--font-about-head);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.page-about .pa-foot-note p {
  margin: 0;
  font-size: 13px;
  color: var(--c-about-slate);
}
.page-about .to-top {
  position: fixed;
  right: 18px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(57, 255, 20, 0.4);
  background: rgba(10, 25, 47, 0.92);
  color: var(--c-about-green);
  font-family: var(--font-about-num);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 0 16px rgba(57, 255, 20, 0.14);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.page-about .to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 22px rgba(57, 255, 20, 0.28);
}
@media (min-width: 1024px) {
  .page-about {
    background-attachment: fixed;
  }
  .page-about .container {
    padding: 0 40px;
  }
  .page-about .pa-hero-inner {
    padding-top: 54px;
    padding-bottom: 62px;
  }
  .page-about .pa-hero h1 {
    font-size: 38px;
    line-height: 1.22;
  }
  .page-about .pa-hero .lead {
    font-size: 15px;
    max-width: 780px;
  }
  .page-about .section-head {
    margin-bottom: 30px;
  }
  .page-about .section-head h2 {
    font-size: 26px;
    line-height: 1.3;
  }
  .page-about .section {
    padding: 60px 0 16px;
  }
  .page-about .pa-layout {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 48px;
    padding-top: 14px;
  }
  .page-about .pa-chapter {
    display: block;
    position: relative;
  }
  .page-about .pa-chapter-inner {
    position: sticky;
    top: 84px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
  }
  .page-about .pa-chapter .note-vertical {
    margin-top: 4px;
    color: var(--c-about-orange);
    font-weight: 500;
  }
  .page-about .chapter-nav {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  .page-about .chapter-nav a {
    font-family: var(--font-about-head);
    font-size: 14px;
    font-weight: 600;
    color: var(--c-about-slate);
    padding: 4px 0;
    border-bottom: 1px solid transparent;
    transition: color 0.2s ease, border-color 0.2s ease, padding-left 0.2s ease;
  }
  .page-about .chapter-nav a:hover {
    color: var(--c-about-orange);
  }
  .page-about .chapter-nav a.is-active {
    color: var(--c-about-white);
    border-bottom-color: rgba(57, 255, 20, 0.55);
    padding-left: 6px;
  }
  .page-about .pa-content {
    min-width: 0;
  }
  .page-about .pa-timeline-img {
    margin-bottom: 34px;
  }
  .page-about .pa-timeline-img img {
    aspect-ratio: 16 / 10;
    max-height: 420px;
  }
  .page-about .pa-tl-item {
    padding-left: 46px;
  }
  .page-about .pa-tl-year {
    font-size: 14px;
  }
  .page-about .pa-tl-card {
    padding: 18px 20px;
  }
  .page-about .pa-data-bg {
    margin-bottom: 30px;
  }
  .page-about .pa-data-bg img {
    max-height: 340px;
  }
  .page-about .pa-stats-grid {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0;
  }
  .page-about .pa-stat-card {
    display: flex;
    flex-direction: column;
    padding: 26px 24px 28px;
    min-height: 218px;
    margin-left: -1px;
    margin-top: -1px;
    border: 1px solid var(--c-about-line);
    border-top: 2px solid rgba(230, 241, 255, 0.28);
  }
  .page-about .pa-stat-feature {
    transform: translateY(-12px);
    border-top: 2px solid rgba(255, 107, 53, 0.8);
    grid-row: span 1;
  }
  .page-about .pa-stat-card .stat-num {
    font-size: 50px;
  }
  .page-about .pa-stats-foot {
    grid-template-columns: auto auto 1fr;
    align-items: center;
    gap: 24px;
    margin-top: 20px;
    padding: 16px 22px;
  }
  .page-about .pa-team-wrap {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 28px;
  }
  .page-about .pa-badge-icon {
    max-width: 180px;
    margin: 0;
  }
  .page-about .pa-team-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .page-about .pa-partner-grid {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0;
  }
  .page-about .pa-partner-card {
    min-height: 190px;
    margin-left: -1px;
    border-top: 1px solid var(--c-about-line);
    border-left: 1px solid var(--c-about-line);
    border-bottom: 1px solid rgba(230, 241, 255, 0.1);
  }
  .page-about .pa-honor-row {
    grid-template-columns: 1fr 1fr;
    gap: 0;
  }
  .page-about .pa-trust-item {
    margin-left: -1px;
    margin-top: -1px;
  }
  .page-about .pa-contact-box {
    grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
    align-items: center;
    gap: 32px;
    padding: 36px 36px;
  }
  .page-about .pa-contact-box h2 {
    font-size: 24px;
  }
  .page-about .pa-contact-action {
    justify-content: flex-end;
  }
  .page-about .pa-foot-note {
    margin-top: 60px;
    padding: 26px 0;
  }
}