.page-about {
  --ab-grid-line: rgba(0, 229, 255, 0.07);
  --ab-cyan: #00E5FF;
  --ab-orange: #FF6A3D;
  --ab-stat-color: var(--sy-cyan);
  position: relative;
  overflow-x: hidden;
  color: var(--sy-text);
  background: linear-gradient(180deg, #0B0F2A 0%, #131A4A 45%, #0B0F2A 100%);
}
.page-about,
.page-about p,
.page-about li,
.page-about dd {
  font-family: var(--sy-font-body);
}
.page-about img {
  max-width: 100%;
}
.page-about h1,
.page-about h2,
.page-about h3,
.page-about dt,
.page-about .ab-timeline__meta dd {
  font-family: var(--sy-font-display);
}
.page-about .ab-kicker {
  font-family: var(--sy-font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--sy-cyan);
  margin: 0 0 0.65rem;
}
.page-about .sy-link-cta {
  font-family: var(--sy-font-display);
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.05em;
  color: var(--sy-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.4);
  padding-bottom: 0.15rem;
  transition: color 0.25s ease, border-color 0.25s ease;
}
.page-about .sy-link-cta:hover {
  color: #FFFFFF;
  border-color: #FFFFFF;
}

/* ===== 首屏 Hero ===== */
.page-about .ab-hero {
  position: relative;
  padding: 2rem 0 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 85% 18%, rgba(0, 229, 255, 0.16), transparent 28%),
    radial-gradient(circle at 10% 72%, rgba(255, 106, 61, 0.13), transparent 34%),
    linear-gradient(135deg, #141B4D 0%, #0B0F2A 70%);
}
.page-about .ab-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: linear-gradient(180deg, #000 15%, transparent 90%);
  mask-image: linear-gradient(180deg, #000 15%, transparent 90%);
  pointer-events: none;
}
.page-about .ab-hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(30px);
  pointer-events: none;
}
.page-about .ab-hero__glow--one {
  width: 340px;
  height: 340px;
  right: -90px;
  top: 10%;
  background: rgba(0, 229, 255, 0.16);
}
.page-about .ab-hero__glow--two {
  width: 300px;
  height: 300px;
  left: -120px;
  bottom: 0;
  background: rgba(255, 106, 61, 0.13);
}
.page-about .ab-hero__giant {
  position: absolute;
  right: -0.5rem;
  bottom: 2rem;
  font-family: var(--sy-font-display);
  font-size: clamp(7rem, 22vw, 16rem);
  font-weight: 900;
  line-height: 0.75;
  color: transparent;
  -webkit-text-stroke: 1px rgba(0, 229, 255, 0.24);
  user-select: none;
  pointer-events: none;
  opacity: 0.6;
  z-index: 0;
}
.page-about .ab-hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
  padding-top: 1.5rem;
  padding-bottom: 5rem;
  z-index: 1;
}
.page-about .ab-hero__content {
  position: relative;
}
.page-about .ab-hero__kicker {
  font-family: var(--sy-font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--sy-accent-warm);
  margin: 1.5rem 0 0.9rem;
}
.page-about .ab-hero__title {
  font-size: clamp(2.1rem, 6vw, 4.2rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0;
  max-width: 11em;
}
.page-about .ab-hero__title span {
  background: linear-gradient(100deg, var(--sy-cyan) 0%, var(--sy-bg-bright) 48%, var(--sy-accent-warm) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.page-about .ab-hero__lead {
  color: var(--sy-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  max-width: 58ch;
  margin: 1.2rem 0 1.8rem;
}
.page-about .ab-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}
.page-about .ab-hero .sy-btn--primary {
  background: linear-gradient(135deg, var(--sy-bg-bright) 0%, var(--sy-bg-electric) 100%);
  border: 1px solid rgba(0, 229, 255, 0.5);
  box-shadow: 0 10px 30px rgba(46, 55, 164, 0.45);
}
.page-about .ab-hero .sy-btn--primary:hover {
  box-shadow: 0 14px 40px rgba(0, 229, 255, 0.28);
}
.page-about .ab-hero__clip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin: 2rem 0 0;
  padding: 0;
}
.page-about .ab-hero__clip div {
  background: rgba(11, 15, 42, 0.78);
  border: 1px solid rgba(78, 95, 252, 0.36);
  border-radius: 12px;
  padding: 0.8rem 1rem;
  min-width: 7.5rem;
}
.page-about .ab-hero__clip dt {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sy-muted);
}
.page-about .ab-hero__clip dd {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--sy-text);
  margin: 0.3rem 0 0;
}
.page-about .ab-hero__media {
  position: relative;
}
.page-about .ab-hero__frame {
  position: relative;
  border-radius: 18px;
  padding: 10px;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.5), rgba(46, 55, 164, 0.6) 48%, rgba(255, 106, 61, 0.4));
  box-shadow: 0 28px 70px rgba(5, 8, 28, 0.55);
  transform: rotate(1.1deg);
}
.page-about .ab-hero__frame img {
  display: block;
  width: 100%;
  border-radius: 12px;
  border: 2px solid rgba(230, 233, 255, 0.12);
  object-fit: cover;
  aspect-ratio: 16 / 9;
}
.page-about .ab-hero__hud {
  position: absolute;
  inset: 10px;
  border-radius: 12px;
  pointer-events: none;
  background:
    linear-gradient(180deg, transparent 58%, rgba(0, 229, 255, 0.16) 58%, transparent 58.3%),
    linear-gradient(90deg, transparent 28%, rgba(255, 106, 61, 0.18) 28%, transparent 28.3%);
}
.page-about .ab-hero__tag {
  position: absolute;
  left: -0.5rem;
  bottom: 1.6rem;
  display: inline-flex;
  gap: 0.45rem;
  align-items: center;
  background: rgba(11, 15, 42, 0.9);
  border: 1px solid rgba(0, 229, 255, 0.35);
  border-radius: 999px;
  padding: 0.5rem 0.9rem;
  font-size: 0.8rem;
  color: var(--sy-text);
  box-shadow: 0 12px 30px rgba(5, 8, 28, 0.4);
}
.page-about .ab-hero__tag .sy-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--sy-success);
  box-shadow: 0 0 12px rgba(61, 220, 132, 0.7);
}
.page-about .ab-hero__ticker {
  position: relative;
  display: flex;
  gap: 2.4rem;
  align-items: center;
  padding: 0.8rem 1.2rem;
  border-top: 1px solid rgba(0, 229, 255, 0.2);
  border-bottom: 1px solid rgba(0, 229, 255, 0.2);
  background: rgba(11, 15, 42, 0.72);
  font-family: var(--sy-font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sy-muted);
  overflow: hidden;
  white-space: nowrap;
  z-index: 1;
}
.page-about .ab-hero__ticker span::after {
  content: "·";
  margin-left: 2.4rem;
  color: var(--sy-cyan);
}

/* ===== 品牌缘起 ===== */
.page-about .ab-origin {
  position: relative;
  padding: 5rem 0;
}
.page-about .ab-origin::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.4), transparent);
}
.page-about .ab-origin__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}
.page-about .ab-origin h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.7rem);
  line-height: 1.15;
  margin: 0 0 1rem;
}
.page-about .ab-origin .sy-prose p {
  color: var(--sy-muted);
  line-height: 1.8;
  margin-bottom: 1rem;
}
.page-about .ab-origin__facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  position: relative;
}
.page-about .ab-fact-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1.5rem;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(46, 55, 164, 0.3), rgba(11, 15, 42, 0.88));
  border: 1px solid rgba(78, 95, 252, 0.4);
  overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.3s ease;
}
.page-about .ab-fact-card::after {
  content: "";
  position: absolute;
  right: -2.2rem;
  top: -2.2rem;
  width: 6rem;
  height: 6rem;
  background: rgba(0, 229, 255, 0.1);
  border-radius: 50%;
  pointer-events: none;
}
.page-about .ab-fact-card:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 229, 255, 0.55);
}
.page-about .ab-fact-card--main {
  background: linear-gradient(135deg, rgba(255, 106, 61, 0.18), rgba(46, 55, 164, 0.4));
  border-color: rgba(255, 106, 61, 0.45);
}
.page-about .ab-fact-card__label {
  font-size: 0.82rem;
  color: var(--sy-muted);
}
.page-about .ab-fact-card__num {
  font-family: var(--sy-font-display);
  font-size: 2.4rem;
  font-weight: 900;
  line-height: 1.1;
  color: var(--sy-text);
}
.page-about .ab-fact-card__unit {
  font-size: 0.85rem;
  color: var(--sy-muted);
}

/* ===== 版本里程碑 ===== */
.page-about .ab-milestones {
  position: relative;
  padding: 1rem 0 5.5rem;
}
.page-about .ab-section-head {
  max-width: 820px;
  margin-bottom: 3.5rem;
}
.page-about .ab-section-head--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.page-about .ab-section-head h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.7rem);
  line-height: 1.15;
  margin: 0;
}
.page-about .ab-section-lead {
  color: var(--sy-muted);
  font-size: 1.05rem;
  line-height: 1.75;
  margin: 0.9rem 0 0;
}
.page-about .ab-timeline {
  position: relative;
  margin: 0 auto;
  max-width: 980px;
}
.page-about .ab-timeline__rail {
  position: absolute;
  left: 1.2rem;
  top: 0.4rem;
  bottom: 0.4rem;
  width: 3px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--sy-cyan) 0%, var(--sy-bg-bright) 48%, var(--sy-accent-orange) 100%);
  opacity: 0.7;
}
.page-about .ab-timeline__item {
  position: relative;
  padding-left: 4.2rem;
  padding-bottom: 3rem;
}
.page-about .ab-timeline__item:last-child {
  padding-bottom: 0;
}
.page-about .ab-timeline__node {
  position: absolute;
  left: 0;
  top: 0;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--sy-bg-electric);
  border: 2px solid var(--sy-cyan);
  box-shadow: 0 0 0 7px rgba(0, 229, 255, 0.1), 0 0 26px rgba(0, 229, 255, 0.25);
  font-family: var(--sy-font-display);
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--sy-cyan);
  z-index: 2;
}
.page-about .ab-timeline__node--v3 {
  border-color: var(--sy-accent-orange);
  color: var(--sy-accent-warm);
  box-shadow: 0 0 0 7px rgba(255, 106, 61, 0.14), 0 0 26px rgba(255, 106, 61, 0.3);
  animation: ab-node-pulse 2.6s ease-in-out infinite;
}
@keyframes ab-node-pulse {
  0%, 100% {
    box-shadow: 0 0 0 7px rgba(255, 106, 61, 0.14), 0 0 26px rgba(255, 106, 61, 0.3);
  }
  50% {
    box-shadow: 0 0 0 13px rgba(255, 106, 61, 0.05), 0 0 38px rgba(255, 106, 61, 0.4);
  }
}
.page-about .ab-timeline__panel {
  position: relative;
  border-radius: 16px;
  padding: 1.7rem;
  background: linear-gradient(135deg, rgba(20, 27, 77, 0.85), rgba(11, 15, 42, 0.94));
  border: 1px solid rgba(78, 95, 252, 0.32);
  box-shadow: 0 18px 44px rgba(5, 8, 28, 0.3);
}
.page-about .ab-timeline__panel::before {
  content: "";
  position: absolute;
  left: -9px;
  top: 28px;
  width: 18px;
  height: 18px;
  background: #141B4D;
  border-left: 1px solid rgba(78, 95, 252, 0.32);
  border-bottom: 1px solid rgba(78, 95, 252, 0.32);
  transform: rotate(45deg);
}
.page-about .ab-timeline__panel h3 {
  font-size: 1.35rem;
  line-height: 1.25;
  margin: 0.8rem 0 0.6rem;
}
.page-about .ab-timeline__panel p {
  color: var(--sy-muted);
  line-height: 1.75;
  margin: 0 0 1rem;
}
.page-about .ab-timeline__panel--v3 {
  background: linear-gradient(135deg, rgba(255, 106, 61, 0.16), rgba(11, 15, 42, 0.94) 55%);
  border-color: rgba(255, 106, 61, 0.42);
}
.page-about .ab-timeline__panel--v3::before {
  background: #301a33;
  border-color: rgba(255, 106, 61, 0.42);
}
.page-about .ab-timeline__panel--v3 .sy-link-cta {
  color: var(--sy-accent-warm);
  border-color: rgba(255, 184, 107, 0.5);
  display: inline-block;
  margin-top: 0.5rem;
}
.page-about .ab-timeline__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin: 0;
  padding: 0;
}
.page-about .ab-timeline__meta div {
  background: rgba(0, 229, 255, 0.08);
  border-left: 2px solid var(--sy-cyan);
  border-radius: 8px;
  padding: 0.5rem 0.8rem;
}
.page-about .ab-timeline__meta dt {
  font-family: var(--sy-font-body);
  font-size: 0.72rem;
  color: var(--sy-muted);
}
.page-about .ab-timeline__meta dd {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--sy-text);
  margin: 0.15rem 0 0;
}
.page-about .ab-badge-hot {
  background: linear-gradient(135deg, var(--sy-accent-orange), var(--sy-accent-warm));
  color: #0B0F2A;
}

/* ===== 平板展示 ===== */
.page-about .ab-showcase {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
  margin-top: 4rem;
}
.page-about .ab-showcase__media {
  position: relative;
  border-radius: 20px;
  padding: 0.85rem;
  border: 1px solid rgba(0, 229, 255, 0.32);
  box-shadow: 0 26px 60px rgba(5, 8, 28, 0.45);
  background: linear-gradient(135deg, rgba(46, 55, 164, 0.4), rgba(11, 15, 42, 0.82));
}
.page-about .ab-showcase__media img {
  display: block;
  width: 100%;
  border-radius: 14px;
  object-fit: cover;
  aspect-ratio: 4 / 3;
  border: 1px solid rgba(230, 233, 255, 0.1);
}
.page-about .ab-showcase__glint {
  position: absolute;
  inset: 0.85rem;
  border-radius: 14px;
  pointer-events: none;
  background: linear-gradient(135deg, transparent 40%, rgba(255, 255, 255, 0.06) 52%, transparent 62%);
}
.page-about .ab-showcase__aside .sy-badge {
  background: linear-gradient(135deg, rgba(255, 106, 61, 0.25), rgba(255, 184, 107, 0.14));
  color: var(--sy-accent-warm);
  border-color: rgba(255, 106, 61, 0.4);
}
.page-about .ab-showcase__aside h3 {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  margin: 0.8rem 0;
}
.page-about .ab-showcase__aside p {
  color: var(--sy-muted);
  line-height: 1.8;
}
.page-about .ab-showcase__list {
  list-style: none;
  margin: 1rem 0 1.6rem;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}
.page-about .ab-showcase__list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.95rem;
  color: var(--sy-text);
}
.page-about .ab-showcase__list li::before {
  content: "";
  position: absolute;
  left: 0.1rem;
  top: 0.55rem;
  width: 0.6rem;
  height: 0.6rem;
  background: var(--sy-accent-orange);
  clip-path: polygon(50% 0, 100% 100%, 50% 78%, 0 100%);
}
.page-about .ab-showcase .sy-btn--primary {
  background: linear-gradient(135deg, var(--sy-accent-orange) 0%, var(--sy-accent-warm) 100%);
  color: #0B0F2A;
  border: none;
  box-shadow: 0 10px 30px rgba(255, 106, 61, 0.28);
}

/* ===== 服务规模 ===== */
.page-about .ab-stats {
  position: relative;
  padding: 5rem 0;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(11, 15, 42, 0.96) 0%, rgba(25, 31, 84, 0.85) 50%, rgba(11, 15, 42, 0.98) 100%);
}
.page-about .ab-stats::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  right: -15%;
  width: 55%;
  background:
    repeating-linear-gradient(90deg, transparent 0, transparent 36px, rgba(0, 229, 255, 0.05) 36px, rgba(0, 229, 255, 0.05) 37px),
    repeating-linear-gradient(0deg, transparent 0, transparent 36px, rgba(0, 229, 255, 0.05) 36px, rgba(0, 229, 255, 0.05) 37px);
  transform: skewX(-8deg);
  pointer-events: none;
}
.page-about .ab-stats__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}
.page-about .ab-stats__intro h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.15;
  margin: 0 0 1rem;
}
.page-about .ab-stats__lead {
  color: var(--sy-muted);
  line-height: 1.8;
  margin: 0 0 1.2rem;
}
.page-about .ab-stats__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.page-about .ab-stat-card {
  position: relative;
  padding: 1.4rem;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(46, 55, 164, 0.28), rgba(11, 15, 42, 0.9));
  border: 1px solid rgba(78, 95, 252, 0.34);
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.page-about .ab-stat-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--ab-stat-color);
}
.page-about .ab-stat-card:hover {
  transform: translateY(-4px);
  border-color: var(--ab-stat-color);
  box-shadow: 0 16px 44px rgba(5, 8, 28, 0.45);
}
.page-about .ab-stat-card__num {
  display: block;
  font-family: var(--sy-font-display);
  font-size: 2.6rem;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--ab-stat-color);
}
.page-about .ab-stat-card__label {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--sy-text);
  margin-top: 0.35rem;
}
.page-about .ab-stat-card__tip {
  display: block;
  font-size: 0.82rem;
  color: var(--sy-muted);
  margin-top: 0.25rem;
}
.page-about .ab-stats__media {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(0, 229, 255, 0.3);
  box-shadow: var(--sy-shadow);
}
.page-about .ab-stats__media img {
  display: block;
  width: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}
.page-about .ab-stats__caption {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  background: rgba(11, 15, 42, 0.84);
  border: 1px solid rgba(0, 229, 255, 0.3);
  border-radius: 8px;
  padding: 0.45rem 0.8rem;
  font-size: 0.82rem;
  color: var(--sy-cyan);
}

/* ===== 技术理念 ===== */
.page-about .ab-tech {
  position: relative;
  padding: 5.5rem 0;
  background:
    radial-gradient(circle at 10% 20%, rgba(46, 55, 164, 0.4), transparent 45%),
    linear-gradient(180deg, rgba(11, 15, 42, 0.98), #0B0F2A);
}
.page-about .ab-tech__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.4rem;
}
.page-about .ab-tech-card {
  position: relative;
  padding: 1.7rem 1.6rem 1.6rem;
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(46, 55, 164, 0.28), rgba(11, 15, 42, 0.95));
  border: 1px solid rgba(78, 95, 252, 0.35);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.35s ease, background 0.35s ease;
}
.page-about .ab-tech-card:hover {
  transform: translateY(-5px) rotate(-0.5deg);
  border-color: rgba(0, 229, 255, 0.55);
  background: linear-gradient(145deg, rgba(78, 95, 252, 0.34), rgba(11, 15, 42, 0.98));
}
.page-about .ab-tech-card__index {
  display: block;
  font-family: var(--sy-font-display);
  font-size: 3rem;
  font-weight: 900;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(0, 229, 255, 0.65);
  margin-bottom: 1rem;
}
.page-about .ab-tech-card h3 {
  font-size: 1.3rem;
  margin: 0 0 0.6rem;
}
.page-about .ab-tech-card p {
  color: var(--sy-muted);
  line-height: 1.75;
  margin: 0;
}
.page-about .ab-tech__cta {
  margin-top: 3rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.2rem;
  justify-content: space-between;
  padding: 1.8rem;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(255, 106, 61, 0.2), rgba(255, 184, 107, 0.08), rgba(46, 55, 164, 0.2));
  border: 1px solid rgba(255, 106, 61, 0.4);
}
.page-about .ab-tech__cta-copy {
  flex: 1 1 100%;
}
.page-about .ab-tech__cta-title {
  font-family: var(--sy-font-display);
  font-size: 1.2rem;
  font-weight: 800;
  margin: 0;
}
.page-about .ab-tech__cta-sub {
  color: var(--sy-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin: 0.4rem 0 0;
}
.page-about .ab-tech__cta .sy-btn--primary {
  background: linear-gradient(135deg, var(--sy-accent-orange) 0%, var(--sy-accent-warm) 100%);
  color: #0B0F2A;
  border: none;
  box-shadow: 0 10px 30px rgba(255, 106, 61, 0.28);
}

/* ===== 桌面端适配 ===== */
@media (min-width: 900px) {
  .page-about .ab-hero__inner {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 4rem;
    padding-top: 3rem;
    padding-bottom: 6.5rem;
  }
  .page-about .ab-hero__kicker {
    margin-top: 2.5rem;
  }
  .page-about .ab-hero__clip {
    gap: 1.1rem;
  }
  .page-about .ab-hero__ticker {
    padding: 0.9rem 2rem;
    justify-content: center;
  }
  .page-about .ab-origin__inner {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 4rem;
  }
  .page-about .ab-origin__facts {
    grid-template-columns: 1fr 1fr;
  }
  .page-about .ab-fact-card--main {
    grid-column: 1 / -1;
  }
  .page-about .ab-timeline__item {
    padding-left: 5rem;
  }
  .page-about .ab-timeline__rail {
    left: 1.35rem;
  }
  .page-about .ab-timeline__node {
    width: 2.8rem;
    height: 2.8rem;
    font-size: 0.88rem;
  }
  .page-about .ab-timeline__panel {
    padding: 2rem;
  }
  .page-about .ab-showcase {
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
  }
  .page-about .ab-stats__grid {
    grid-template-columns: 0.9fr 1.2fr;
    gap: 3rem 4rem;
  }
  .page-about .ab-stats__intro {
    grid-column: 1;
  }
  .page-about .ab-stats__cards {
    grid-column: 2;
    grid-template-columns: 1fr 1fr;
  }
  .page-about .ab-stats__media {
    grid-column: 1 / -1;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
  }
  .page-about .ab-tech__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.6rem;
  }
  .page-about .ab-tech__cta {
    padding: 2rem 2.4rem;
  }
  .page-about .ab-tech__cta-copy {
    flex: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    animation-duration: 0.001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001s !important;
  }
}