/* 关于我们 — 天蓝主题 */

:root {
  --au-gradient: var(--theme-gradient-btn);
  --au-gradient-diag: var(--theme-gradient-diag);
  --au-purple: var(--theme-accent);
  --au-purple-dark: var(--theme-link);
  --au-purple-deep: var(--theme-link-hover);
  --au-purple-soft: var(--theme-accent-soft);
  --au-bg: var(--theme-cream);
  --au-surface: var(--theme-surface);
  --au-ink: var(--theme-ink);
  --au-muted: var(--theme-muted);
  --au-line: var(--theme-line-strong);
  --au-on-purple: var(--theme-on-dark);
  --au-on-purple-muted: var(--theme-on-dark-muted);
  --au-gold: #ffd800;
  --au-max: 1240px;
  --au-radius: 8px;
}

.au-page {
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--au-ink);
  background: var(--au-bg);
  overflow-x: clip;
}

.au-page *, .au-page *::before, .au-page *::after { box-sizing: border-box; }

.au-wrap {
  width: min(100%, var(--au-max));
  margin: 0 auto;
  padding: 0 clamp(16px, 3vw, 28px);
}

.au-marquee { background: var(--au-gradient); overflow: hidden; }
.au-marquee__track {
  display: flex; width: max-content;
  animation: au-marquee 30s linear infinite;
}
.au-marquee__track span {
  flex-shrink: 0; padding: 10px 32px;
  color: var(--au-on-purple-muted);
  font-size: 12px; font-weight: 700; letter-spacing: 0.08em; white-space: nowrap;
}
.au-marquee__track span em { margin-right: 28px; color: var(--au-gold); font-style: normal; }
@keyframes au-marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* Hero — 全宽紫底 + 白卡文案 + 悬浮视觉 + 底部指标条 */
.au-hero {
  position: relative;
  padding: clamp(28px, 4vw, 44px) 0 clamp(20px, 3vw, 32px);
  overflow: hidden;
}
.au-hero__bg {
  position: absolute; inset: 0;
  background: var(--au-gradient-diag);
}
.au-hero__orb {
  position: absolute; border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  pointer-events: none;
}
.au-hero__orb--1 {
  width: min(520px, 70vw); height: min(520px, 70vw);
  top: -180px; right: -120px;
}
.au-hero__orb--2 {
  width: min(320px, 50vw); height: min(320px, 50vw);
  bottom: -80px; left: -60px;
  background: rgba(255, 255, 255, 0.05);
}
.au-hero__inner { position: relative; z-index: 1; }

.au-hero__stage {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(240px, 0.82fr);
  gap: clamp(12px, 1.8vw, 20px);
  align-items: stretch;
  margin-bottom: clamp(14px, 2vw, 20px);
}
.au-hero__card {
  height: auto;
  display: flex;
  flex-direction: column;
  padding: clamp(16px, 2.2vw, 22px);
  border-radius: calc(var(--au-radius) + 4px);
  background: var(--au-surface);
  box-shadow: 0 24px 60px rgba(30, 27, 75, 0.18);
}
.au-hero__badge {
  display: inline-block; margin-bottom: 8px;
  padding: 4px 11px; border-radius: 999px;
  background: var(--au-purple-soft);
  color: var(--au-purple-deep);
  font-size: 11px; font-weight: 800;
  letter-spacing: 0.14em; text-transform: uppercase;
}
.au-hero__title {
  margin: 0 0 8px;
  font-size: clamp(22px, 3.4vw, 30px);
  font-weight: 900; line-height: 1.2;
  color: var(--au-ink);
}
.au-hero__title em {
  font-style: normal;
  color: var(--au-purple-deep);
}
.au-hero__lead {
  margin: 0 0 6px;
  color: var(--au-ink);
  font-size: 14px; line-height: 1.65;
}
.au-hero__sub {
  margin: 0 0 12px;
  color: var(--au-muted);
  font-size: 13px; line-height: 1.65;
}
.au-hero__actions {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.au-hero__btn {
  display: inline-flex; align-items: center; min-height: 40px; padding: 0 18px;
  border: none; border-radius: var(--au-radius);
  background: var(--au-gradient);
  color: var(--au-on-purple);
  font-size: 14px; font-weight: 800; text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.au-hero__btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(79, 70, 229, 0.35);
}
.au-hero__btn--ghost {
  border: 2px solid var(--au-purple);
  background: transparent;
  color: var(--au-purple-deep);
}
.au-hero__btn--ghost:hover { box-shadow: none; background: var(--au-purple-soft); }

.au-hero__visual {
  position: relative;
  min-height: 0;
  align-self: stretch;
  overflow: hidden;
}
.au-hero__frame {
  position: relative; z-index: 1;
  height: 100%;
  min-height: 0;
  padding: 5px;
  border-radius: calc(var(--au-radius) + 6px);
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.28);
  backdrop-filter: blur(6px);
  overflow: hidden;
}
.au-hero__frame img {
  position: absolute;
  inset: 5px;
  display: block;
  width: calc(100% - 10px);
  height: calc(100% - 10px);
  border-radius: var(--au-radius);
  object-fit: cover;
  object-position: center center;
  box-shadow: 0 16px 40px rgba(30, 27, 75, 0.22);
}
.au-hero__float {
  position: absolute; z-index: 2;
  border-radius: var(--au-radius);
  background: var(--au-surface);
  box-shadow: 0 12px 32px rgba(30, 27, 75, 0.14);
}
.au-hero__float--years {
  left: -8px; bottom: 12px;
  padding: 10px 14px;
  border-left: 4px solid var(--au-gold);
}
.au-hero__float--years strong {
  display: block; color: var(--au-purple-deep);
  font-size: 18px; font-weight: 900; line-height: 1.1;
}
.au-hero__float--years span {
  font-size: 11px; color: var(--au-muted); font-weight: 700;
}
.au-hero__float--nodes {
  top: -6px; right: -6px;
  display: flex; gap: 4px; padding: 8px 10px;
}
.au-hero__float--nodes img {
  width: 28px; height: 19px; object-fit: cover;
  border-radius: 2px; border: 1px solid var(--au-line);
}

.au-hero__metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border-radius: calc(var(--au-radius) + 4px);
  background: var(--au-surface);
  box-shadow: 0 16px 40px rgba(30, 27, 75, 0.12);
  overflow: hidden;
}
.au-hero__metric {
  padding: clamp(16px, 2.5vw, 22px) clamp(14px, 2vw, 20px);
  border-right: 1px solid var(--au-line);
  text-align: center;
}
.au-hero__metric:last-child { border-right: none; }
.au-hero__metric strong {
  display: block; margin-bottom: 4px;
  color: var(--au-purple-deep);
  font-size: clamp(18px, 2.5vw, 22px); font-weight: 900;
}
.au-hero__metric span {
  display: block;
  color: var(--au-muted);
  font-size: 12px; line-height: 1.45;
}

/* Anchor */
.au-anchor {
  position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid var(--au-line);
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(10px);
}
.au-anchor__list {
  display: flex; gap: 4px; margin: 0; padding: 10px 0;
  list-style: none; overflow-x: auto; scrollbar-width: none;
}.au-anchor__list::-webkit-scrollbar { display: none; }
.au-anchor__list a {
  flex-shrink: 0; padding: 8px 14px; border-radius: var(--au-radius);
  color: var(--au-muted); font-size: 13px; font-weight: 700; text-decoration: none;
}
.au-anchor__list a:hover, .au-anchor__list a.is-active {
  background: var(--au-purple-soft); color: var(--au-purple-deep);
}

.au-head { margin-bottom: clamp(24px, 4vw, 36px); text-align: center; }
.au-head__idx {
  display: block; margin-bottom: 8px;
  color: var(--au-purple-dark); font-size: 12px; font-weight: 800;
  letter-spacing: 0.16em; text-transform: uppercase;
}
.au-head__title {
  margin: 0 0 8px; font-size: clamp(26px, 4vw, 38px);
  font-weight: 900; color: var(--au-ink);
}
.au-head__lead {
  margin: 0 auto; max-width: 58ch;
  color: var(--au-muted); font-size: 15px; line-height: 1.7;
}

/* 公司信息 — 时间线 + 资料卡 */
.au-company {
  padding: clamp(56px, 8vw, 88px) 0;
  background: var(--au-surface);
}
.au-company__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: clamp(24px, 4vw, 40px);
  align-items: start;
}
.au-company__body p {
  margin: 0 0 14px;
  color: var(--au-muted);
  font-size: 15px; line-height: 1.8;
}
.au-company__aside {
  padding: 20px;
  border: 1px solid var(--au-line);
  border-radius: var(--au-radius);
  background: var(--au-bg);
}
.au-company__aside img {
  width: 100%; margin-bottom: 16px;
  border-radius: var(--au-radius);
}
.au-info-row {
  display: flex; gap: 10px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--au-line);
  font-size: 13px;
}
.au-info-row:last-child { border-bottom: none; }
.au-info-row strong { flex-shrink: 0; color: var(--au-ink); min-width: 72px; }
.au-info-row span { color: var(--au-muted); }

/* 优势 — 竖向序号条 */
.au-why {
  padding: clamp(56px, 8vw, 88px) 0;
  background: var(--au-bg);
}
.au-why__list { display: flex; flex-direction: column; gap: 0; }
.au-why__item {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 20px;
  padding: clamp(20px, 3vw, 28px) 0;
  border-top: 1px solid var(--au-line);
}
.au-why__item:last-child { border-bottom: 1px solid var(--au-line); }
.au-why__idx {
  font-size: 36px; font-weight: 900; line-height: 1;
  color: var(--au-purple); opacity: 0.45;
}
.au-why__title { margin: 0 0 6px; font-size: 18px; font-weight: 800; color: var(--au-ink); }
.au-why__desc { margin: 0; color: var(--au-muted); font-size: 14px; line-height: 1.7; }

/* 产品 — 标签墙 */
.au-products {
  padding: clamp(56px, 8vw, 88px) 0;
  background: var(--au-surface);
}
.au-products__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}
.au-product {
  padding: 18px 16px;
  border: 1px solid var(--au-line);
  border-radius: var(--au-radius);
  background: var(--au-bg);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.au-product:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(107,108,255,0.1);
  border-color: var(--au-purple);
}
.au-product h3 { margin: 0 0 6px; font-size: 15px; font-weight: 800; color: var(--au-ink); }
.au-product p { margin: 0; font-size: 13px; color: var(--au-muted); line-height: 1.6; }

/* 节点 */
.au-nodes {
  padding: clamp(56px, 8vw, 88px) 0;
  background: var(--au-gradient-diag);
  color: var(--au-on-purple);
}
.au-nodes .au-head__title { color: var(--au-on-purple); }
.au-nodes .au-head__lead { color: var(--au-on-purple-muted); }
.au-nodes .au-head__idx { color: var(--au-gold); }
.au-nodes__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}
.au-node {
  padding: 18px;
  border-radius: var(--au-radius);
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
}
.au-node img {
  width: 36px; height: 26px; object-fit: cover;
  margin-bottom: 10px; border-radius: 2px;
}
.au-node h3 { margin: 0 0 8px; font-size: 16px; font-weight: 800; }
.au-node p { margin: 0; font-size: 13px; color: var(--au-on-purple-muted); line-height: 1.65; }

/* 业务场景 */
.au-scenes {
  padding: clamp(56px, 8vw, 88px) 0;
  background: var(--au-bg);
}
.au-scenes__tags {
  display: flex; flex-wrap: wrap; gap: 8px;
  justify-content: center; margin-bottom: 28px;
}
.au-scenes__tag {
  padding: 8px 14px;
  border: 1px solid var(--au-line);
  border-radius: 999px;
  background: var(--au-surface);
  color: var(--au-purple-deep);
  font-size: 13px; font-weight: 700;
}
.au-cases {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.au-case {
  padding: 20px;
  border: 1px solid var(--au-line);
  border-radius: var(--au-radius);
  background: var(--au-surface);
}
.au-case img {
  width: 48px; height: 48px; border-radius: 50%;
  margin-bottom: 12px; object-fit: cover;
}
.au-case h3 { margin: 0 0 8px; font-size: 16px; font-weight: 800; color: var(--au-ink); }
.au-case p { margin: 0; font-size: 14px; color: var(--au-muted); line-height: 1.7; }

/* FAQ */
.au-faq {
  padding: clamp(56px, 8vw, 88px) 0;
  background: var(--au-surface);
}
.au-acc { border-top: 2px solid var(--au-ink); }
.au-acc__item { border-bottom: 1px solid var(--au-line); }
.au-acc__trigger {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  width: 100%; padding: 18px 0;
  border: none; background: transparent;
  color: var(--au-ink); font-size: 16px; font-weight: 800;
  text-align: left; cursor: pointer;
}
.au-acc__icon {
  flex-shrink: 0; width: 28px; height: 28px;
  border: 2px solid var(--au-purple); border-radius: 50%;
  color: var(--au-purple-deep); font-size: 18px; line-height: 24px; text-align: center;
  transition: transform 0.2s ease;
}
.au-acc__item.is-open .au-acc__icon { transform: rotate(45deg); background: var(--au-purple); color: #fff; }
.au-acc__body { display: none; padding: 0 0 18px; }
.au-acc__item.is-open .au-acc__body { display: block; }
.au-acc__body p { margin: 0; color: var(--au-muted); font-size: 14px; line-height: 1.75; }

/* CTA */
.au-cta {
  padding: clamp(48px, 7vw, 72px) 0;
  background: var(--au-gradient-diag);
  color: var(--au-on-purple);
}
.au-cta__inner {
  display: flex; flex-wrap: wrap;
  align-items: center; justify-content: space-between; gap: 20px;
}
.au-cta__title { margin: 0 0 6px; font-size: clamp(22px, 3vw, 32px); font-weight: 900; }
.au-cta__desc { margin: 0; color: var(--au-on-purple-muted); font-size: 15px; }
.au-cta__actions { display: flex; flex-wrap: wrap; gap: 10px; }
.au-cta__btn {
  display: inline-flex; align-items: center; min-height: 46px; padding: 0 22px;
  border-radius: var(--au-radius); background: #fff;
  color: var(--au-purple-deep); font-size: 14px; font-weight: 800; text-decoration: none;
}
.au-cta__btn--outline {
  border: 2px solid rgba(255,255,255,0.75);
  background: transparent; color: var(--au-on-purple);
}

.header.page-header-parent { z-index: 1000 !important; }

@media (max-width: 1024px) {
  .au-hero__stage { grid-template-columns: 1fr; }
  .au-hero__visual { height: clamp(180px, 34vw, 240px); }
  .au-hero__frame img { height: 100%; }
  .au-hero__float--years { left: 8px; bottom: 16px; }
  .au-hero__float--nodes { right: 8px; top: 8px; }
  .au-hero__metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .au-hero__metric:nth-child(2) { border-right: none; }
  .au-hero__metric:nth-child(1),
  .au-hero__metric:nth-child(2) { border-bottom: 1px solid var(--au-line); }
  .au-company__layout { grid-template-columns: 1fr; }
  .au-products__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .au-nodes__grid, .au-cases { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .au-hero__metrics { grid-template-columns: 1fr; }
  .au-hero__metric { border-right: none; border-bottom: 1px solid var(--au-line); }
  .au-hero__metric:last-child { border-bottom: none; }
  .au-products__grid, .au-nodes__grid, .au-cases { grid-template-columns: 1fr; }
  .au-cta__inner { flex-direction: column; text-align: center; }
  .au-cta__actions { justify-content: center; }
}
@media (prefers-reduced-motion: reduce) {
  .au-marquee__track { animation: none; }
}