:root {
  --bg: #f5f9ff;
  --bg-deep: #071a3c;
  --primary: #256dff;
  --primary-2: #47c8ff;
  --primary-3: #88b7ff;
  --text: #112449;
  --muted: #62708a;
  --border: rgba(70, 128, 255, 0.18);
  --white: #ffffff;
  --shadow: 0 20px 60px rgba(24, 77, 190, 0.12);
  --shadow-strong: 0 30px 80px rgba(7, 36, 106, 0.18);
  --radius: 24px;
  --radius-sm: 16px;
  --container: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 20%, rgba(71, 200, 255, 0.12), transparent 22%),
    radial-gradient(circle at 80% 10%, rgba(37, 109, 255, 0.10), transparent 26%),
    linear-gradient(180deg, #fbfdff 0%, #f4f8ff 45%, #eef5ff 100%);
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.site-shell { position: relative; }
.container { width: min(calc(100% - 40px), var(--container)); margin: 0 auto; }
.section { position: relative; padding: 88px 0; }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: .12s; }
.delay-2 { transition-delay: .22s; }

.glass-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.84), rgba(255,255,255,0.7));
  border: 1px solid rgba(125, 173, 255, 0.24);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.eyebrow {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(37, 109, 255, 0.08);
  color: var(--primary);
  font-size: 12px;
  letter-spacing: .12em;
  font-weight: 700;
  margin-bottom: 18px;
}

.section-title.center,.section-heading{ margin-bottom: 34px; }
.section-title.center { text-align: center; }
.section-title h2, .section-heading h2 {
  margin: 0 0 12px;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.18;
  color: #12306b;
}
.section-title p, .section-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
}

.header {
  position: fixed;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.78);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(104, 154, 255, 0.16);
}
.nav-wrap {
  height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand img { height: 50px; width: auto; }
.nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.nav a {
  font-size: 15px;
  font-weight: 600;
  color: #24385d;
  padding: 12px 14px;
  border-radius: 12px;
  transition: all .25s ease;
}
.nav a:hover, .nav a.active {
  color: var(--primary);
  background: rgba(37, 109, 255, 0.08);
}
.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(37, 109, 255, 0.18);
  background: rgba(255,255,255,0.85);
  border-radius: 14px;
  padding: 11px 10px;
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  height: 2px;
  background: var(--primary);
  margin: 5px 0;
  border-radius: 999px;
}

main {
  padding-top: 82px;
}

.hero {
  padding: 90px 0 56px;
  overflow: hidden;
}
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(87, 147, 255, 0.10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(87, 147, 255, 0.10) 1px, transparent 1px);
  background-size: 36px 36px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,.78), transparent 92%);
  mask-image: linear-gradient(180deg, rgba(0,0,0,.78), transparent 92%);
}
.hero-light {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: .8;
}
.hero-light-1 { width: 260px; height: 260px; background: rgba(59, 158, 255, 0.22); top: 60px; left: -40px; }
.hero-light-2 { width: 300px; height: 300px; background: rgba(43, 103, 255, 0.18); right: -50px; top: 0; }
.hero-content {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 48px;
  align-items: center;
}
.hero-copy h1 {
  margin: 0 0 20px;
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: #14306f;
}
.hero-copy h1 span {
  color: var(--primary);
  text-shadow: 0 0 18px rgba(37,109,255,.18);
}
.hero-copy p {
  margin: 0;
  font-size: 18px;
  line-height: 1.9;
  color: #485d83;
  max-width: 660px;
}
.hero-tags {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 28px 0 30px;
}
.tag-card {
  padding: 18px 18px 16px;
  background: rgba(255,255,255,0.74);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 12px 35px rgba(20, 65, 157, 0.08);
}
.tag-card strong {
  display: block;
  color: #1c4dc5;
  margin-bottom: 8px;
  font-size: 16px;
}
.tag-card span { color: var(--muted); font-size: 14px; }
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 132px;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  color: white;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow: 0 16px 40px rgba(37, 109, 255, 0.28);
}
.btn-secondary {
  background: rgba(255,255,255,.78);
  border: 1px solid rgba(37, 109, 255, 0.2);
  color: var(--primary);
}
.hero-visual { position: relative; }
.hero-art-card {
  overflow: hidden;
  border-radius: 32px;
}
.hero-art-card img {
  width: 100%;
  height: auto;
  display: block;
}
.hero-art-caption {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 20px;
  border-top: 1px solid rgba(104, 154, 255, 0.16);
  align-items: center;
}
.hero-art-caption strong { font-size: 18px; color: #173877; }
.hero-art-caption span { color: var(--muted); font-size: 14px; }

.stats-band { padding: 20px 0 0; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
}
.stat-card {
  background: rgba(255,255,255,.78);
  border: 1px solid rgba(92, 149, 255, 0.18);
  border-radius: 22px;
  padding: 24px 14px;
  text-align: center;
  box-shadow: 0 12px 34px rgba(24, 77, 190, 0.08);
}
.stat-card strong {
  display: block;
  font-size: 28px;
  line-height: 1;
  color: var(--primary);
  margin-bottom: 10px;
}
.stat-card span { color: var(--muted); font-size: 14px; }

.visual-image-card,
.image-frame {
  overflow: hidden;
  border-radius: 28px;
  box-shadow: var(--shadow-strong);
}
.visual-image-card img,
.image-frame img {
  width: 100%;
  display: block;
  height: auto;
}
.first-showcase { padding-top: 70px; }
.section-visual-card { margin-bottom: 40px; }

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 42px;
  align-items: center;
}
.two-col.reverse { grid-template-columns: 1fr 1fr; }
.two-col.reverse > :first-child { order: 2; }
.two-col.reverse > :last-child { order: 1; }

.about-grid { align-items: stretch; }
.about-image-frame {
  min-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
}
.about-image-frame img {
  width: 100%;
  height: auto;
  object-fit: contain;
}
.check-list {
  list-style: none;
  padding: 0;
  margin: 22px 0 0;
  display: grid;
  gap: 14px;
}
.check-list li {
  position: relative;
  padding-left: 28px;
  color: #415982;
  line-height: 1.8;
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow: 0 0 0 6px rgba(37, 109, 255, 0.08);
}

.business-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, .9fr) minmax(0, 1fr);
  gap: 24px;
  align-items: center;
}
.business-column {
  display: grid;
  gap: 18px;
}
.service-item {
  padding: 22px 20px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255,255,255,.84), rgba(246,250,255,.76));
  border: 1px solid rgba(104, 154, 255, 0.18);
  box-shadow: 0 12px 30px rgba(24, 77, 190, 0.08);
}
.service-item h3 {
  margin: 0 0 10px;
  font-size: 20px;
  color: #14306f;
}
.service-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}
.business-center {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100%;
}
.business-core {
  position: relative;
  width: 100%;
  max-width: 360px;
  margin: 0 auto;
  padding: 34px 28px 28px;
  text-align: center;
  border-radius: 34px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 0%, rgba(71,200,255,.20), transparent 36%),
    linear-gradient(180deg, rgba(255,255,255,.94), rgba(236,244,255,.84));
  border: 1px solid rgba(110, 166, 255, 0.24);
  box-shadow:
    0 26px 70px rgba(12, 65, 178, 0.14),
    inset 0 1px 0 rgba(255,255,255,.66);
}
.business-core::before,
.business-core::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}
.business-core::before {
  width: 220px;
  height: 220px;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(71,200,255,.28) 0%, rgba(71,200,255,.06) 40%, transparent 70%);
}
.business-core::after {
  inset: 14px;
  border-radius: 28px;
  border: 1px solid rgba(90, 150, 255, 0.16);
}
.core-badge {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .16em;
  color: #1b56d6;
  background: rgba(255,255,255,.8);
  border: 1px solid rgba(88, 149, 255, .18);
  box-shadow: 0 8px 20px rgba(37,109,255,.08);
}
.core-ring {
  position: absolute;
  width: 250px;
  height: 250px;
  left: 50%;
  top: 42%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1px dashed rgba(64, 129, 255, .22);
  box-shadow: 0 0 0 12px rgba(37,109,255,.03), 0 0 60px rgba(71,200,255,.08) inset;
}
.core-logo {
  position: relative;
  z-index: 1;
  width: min(100%, 220px);
  margin: 0 auto 16px;
}
.business-core h3 {
  position: relative;
  z-index: 1;
  margin: 0 0 14px;
  color: #14306f;
  font-size: clamp(26px, 2vw, 32px);
  line-height: 1.35;
}
.business-core p {
  position: relative;
  z-index: 1;
  margin: 0 auto;
  max-width: 280px;
  color: var(--muted);
  line-height: 1.9;
}
.core-metrics {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 22px;
}
.core-metrics span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 14px;
  border-radius: 16px;
  background: rgba(255,255,255,.72);
  border: 1px solid rgba(104, 154, 255, 0.16);
  color: #1f4fa8;
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(24,77,190,.06);
}

.focus-banners .container { display: grid; gap: 22px; }
.focus-banner {
  padding: 18px;
  border-radius: 28px;
  overflow: hidden;
}
.focus-banner-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 16px;
}
.focus-banner-head > span {
  width: 52px;
  height: 52px;
  flex: 0 0 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(37,109,255,0.12), rgba(71,200,255,0.18));
  color: #1f59da;
  font-weight: 800;
}
.focus-banner-head h3 {
  margin: 0 0 8px;
  font-size: 28px;
  color: #14306f;
}
.focus-banner-head p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}
.focus-banner img {
  width: 100%;
  border-radius: 22px;
  display: block;
}

.pill-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}
.pill-grid span {
  padding: 10px 16px;
  background: rgba(255,255,255,.76);
  border: 1px solid rgba(104, 154, 255, 0.18);
  border-radius: 999px;
  color: #2a4f98;
  font-weight: 600;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.product-card {
  border-radius: 24px;
  padding: 24px 22px;
}
.product-card h3 {
  margin: 0 0 10px;
  font-size: 22px;
  color: #14306f;
}
.product-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.partner-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.partner-item {
  padding: 20px 18px;
  border-radius: 20px;
  text-align: center;
  font-weight: 700;
  background: rgba(255,255,255,.78);
  border: 1px solid rgba(104, 154, 255, 0.18);
  color: #27478d;
  box-shadow: 0 12px 30px rgba(24, 77, 190, 0.08);
}

.footer {
  margin-top: 34px;
  background: linear-gradient(180deg, #0b1d44 0%, #081632 100%);
  color: rgba(255,255,255,.88);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 22px;
  padding: 60px 0 40px;
  align-items: start;
}
.footer-logo-panel {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: min(320px, 100%);
  max-width: 100%;
  box-sizing: border-box;
  margin-bottom: 24px;
  padding: 18px 24px;
  border: 1px solid rgba(151, 196, 255, .42);
  border-radius: 8px;
  background: linear-gradient(145deg, #ffffff 0%, #edf6ff 100%);
  box-shadow: 0 16px 34px rgba(0, 8, 32, .22), inset 0 1px 0 rgba(255,255,255,.92);
}
.footer-brand .footer-logo-panel img {
  display: block;
  width: min(260px, 100%);
  height: auto;
  margin: 0;
}
@media (max-width: 980px) {
  .footer-logo-panel {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
  }
}
.footer-brand p {
  margin: 0 0 18px;
  color: #fff;
  font-size: 24px;
  font-weight: 800;
}
.footer-brand ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
  color: rgba(232,240,255,.82);
  line-height: 1.8;
}
.footer-cta {
  border-radius: 28px;
  padding: 28px;
  background: linear-gradient(180deg, rgba(255,255,255,0.14), rgba(255,255,255,0.08));
  border: 1px solid rgba(143, 181, 255, 0.18);
  box-shadow: none;
}
.footer-cta h3 { margin: 0 0 10px; color: #fff; font-size: 26px; }
.footer-cta p { margin: 0 0 20px; color: rgba(232,240,255,.82); line-height: 1.9; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
}
.footer-bottom .container {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}
.footer-bottom p { margin: 0; color: rgba(232,240,255,.76); }
.beian a { color: #8cc8ff; }
.beian a:hover { text-decoration: underline; }

.back-top {
  position: absolute;
  right: 22px;
  bottom: 22px;
  width: 52px;
  height: 52px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: white;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 14px 40px rgba(37, 109, 255, 0.32);
  font-size: 20px;
}

@media (max-width: 1180px) {
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
  .business-layout { grid-template-columns: 1fr; }
  .business-center { min-height: auto; }
  .business-core { max-width: 100%; }
  .product-grid, .partner-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 980px) {
  .menu-toggle { display: block; }
  .nav {
    position: absolute;
    top: 82px;
    left: 20px;
    right: 20px;
    padding: 12px;
    border-radius: 18px;
    background: rgba(255,255,255,0.96);
    border: 1px solid rgba(104, 154, 255, 0.16);
    box-shadow: 0 18px 50px rgba(21, 58, 149, 0.12);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }
  .nav.open { display: flex; }
  .nav a { padding: 14px 16px; }
  .hero-content,
  .two-col,
  .two-col.reverse,
  .about-grid { grid-template-columns: 1fr; }
  .two-col.reverse > :first-child,
  .two-col.reverse > :last-child { order: initial; }
  .hero-copy h1 { font-size: clamp(34px, 9vw, 56px); }
  .hero-tags { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .section { padding: 68px 0; }
  .header { position: sticky; }
  .brand img { height: 42px; }
  .hero { padding-top: 72px; }
  .hero-art-caption {
    flex-direction: column;
    align-items: flex-start;
  }
  .stats-grid,
  .product-grid,
  .partner-grid { grid-template-columns: 1fr; }
  .stat-card strong { font-size: 24px; }
  .focus-banner-head { flex-direction: column; }
  .focus-banner-head h3 { font-size: 24px; }
  .footer-brand p { font-size: 22px; }
  .back-top { width: 48px; height: 48px; border-radius: 16px; }
}


/* ===== 2026-05 优化版：科技感、手机端与导航同步样式 ===== */
body::before,
body::after {
  content: "";
  position: fixed;
  pointer-events: none;
  z-index: -1;
}
body::before {
  inset: 0;
  background:
    linear-gradient(115deg, transparent 0%, rgba(37,109,255,.06) 18%, transparent 34%),
    radial-gradient(circle at 12% 38%, rgba(71,200,255,.12), transparent 20%),
    radial-gradient(circle at 88% 62%, rgba(37,109,255,.10), transparent 23%);
}
body::after {
  width: 70vw;
  height: 70vw;
  right: -28vw;
  top: 18vh;
  border-radius: 999px;
  background: conic-gradient(from 90deg, rgba(71,200,255,.16), transparent 24%, rgba(37,109,255,.12), transparent 70%, rgba(71,200,255,.16));
  filter: blur(18px);
  opacity: .38;
  animation: techRotate 24s linear infinite;
}
@keyframes techRotate { to { transform: rotate(360deg); } }

.header.is-scrolled {
  background: rgba(255,255,255,.9);
  box-shadow: 0 14px 45px rgba(16, 67, 170, .10);
}
.nav a.active {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow: 0 10px 24px rgba(37,109,255,.22);
}
.nav a { white-space: nowrap; }

.hero::after,
.focus-banners::before,
.business::before {
  content: "";
  position: absolute;
  pointer-events: none;
  inset: auto 0 0;
  height: 220px;
  background:
    linear-gradient(90deg, transparent 0%, rgba(37,109,255,.16) 50%, transparent 100%),
    repeating-linear-gradient(90deg, rgba(37,109,255,.08) 0 1px, transparent 1px 54px);
  transform: skewY(-2deg);
  opacity: .28;
  filter: blur(.2px);
}
.hero-art-card,
.visual-image-card,
.image-frame,
.focus-banner {
  position: relative;
}
.hero-art-card::before,
.visual-image-card::before,
.image-frame::before,
.focus-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,.35) 45%, transparent 62%);
  transform: translateX(-120%);
  animation: scanLight 7.5s ease-in-out infinite;
}
@keyframes scanLight {
  0%, 58% { transform: translateX(-120%); opacity: 0; }
  68% { opacity: .65; }
  84%, 100% { transform: translateX(120%); opacity: 0; }
}

.focus-banner {
  background:
    linear-gradient(180deg, rgba(255,255,255,.90), rgba(242,248,255,.78)),
    radial-gradient(circle at 12% 14%, rgba(71,200,255,.18), transparent 28%);
}
.focus-banner-head > span {
  box-shadow: inset 0 0 0 1px rgba(37,109,255,.10), 0 12px 28px rgba(37,109,255,.12);
}

.about-image-frame {
  background: linear-gradient(180deg, rgba(255,255,255,.88), rgba(239,247,255,.75));
}
.about-image-frame img {
  max-height: 520px;
  object-fit: contain !important;
}

.footer-bottom .container {
  justify-content: center;
  text-align: center;
  flex-direction: column;
  gap: 6px;
  padding: 16px 0;
}
.footer-bottom p,
.footer-bottom .beian {
  width: 100%;
}
.back-top { opacity: 0; visibility: hidden; transform: translateY(10px); transition: all .25s ease; }
.back-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }

@media (max-width: 980px) {
  .nav-wrap { height: 72px; }
  .nav { top: 72px; }
  .menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle.open span:nth-child(2) { opacity: 0; }
  .menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .menu-toggle span { transition: all .22s ease; }
  .hero-content { gap: 26px; }
  .hero-copy p { font-size: 16px; }
  .hero-art-card { border-radius: 24px; }
  .about-image-frame img { max-height: none; }
  .focus-banner { padding: 14px; }
}

@media (max-width: 720px) {
  body::after { display: none; }
  .section { padding: 52px 0; }
  .hero { padding: 54px 0 38px; }
  .hero-copy h1 { font-size: clamp(32px, 10vw, 44px); line-height: 1.16; }
  .hero-copy p { font-size: 15px; line-height: 1.85; }
  .hero-tags { gap: 10px; margin: 20px 0 22px; }
  .tag-card { padding: 14px 15px; border-radius: 16px; }
  .btn { width: 100%; min-width: 0; }
  .stats-grid { gap: 10px; }
  .stat-card { padding: 18px 12px; border-radius: 18px; }
  .visual-image-card, .image-frame { border-radius: 20px; }
  .business-layout { gap: 16px; }
  .service-item, .product-card { padding: 18px 16px; border-radius: 18px; }
  .service-item h3, .product-card h3 { font-size: 18px; }
  .business-core { padding: 24px 18px 20px; border-radius: 24px; max-width: 100%; }
  .business-core h3 { font-size: 22px; }
  .core-ring { width: 190px; height: 190px; top: 40%; }
  .core-metrics { gap: 8px; margin-top: 18px; }
  .core-metrics span { min-height: 38px; border-radius: 14px; font-size: 14px; }
  .focus-banner-head > span { width: 44px; height: 44px; flex-basis: 44px; border-radius: 14px; }
  .focus-banner-head h3 { font-size: 21px; }
  .focus-banner-head p { font-size: 14px; }
  .footer-grid { padding: 42px 0 30px; }
  .footer-brand p { font-size: 20px; }
  .footer-brand ul { font-size: 14px; }
}


.business {
  position: relative;
}
.business .section-title p {
  max-width: 760px;
  margin: 0 auto;
}
.service-item,
.business-core {
  transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
}
.service-item:hover,
.business-core:hover {
  transform: translateY(-4px);
  border-color: rgba(71, 145, 255, .3);
}
.service-item:hover {
  box-shadow: 0 18px 42px rgba(24, 77, 190, 0.12);
}
@media (max-width: 1180px) {
  .business-column { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .business-column .service-item:last-child:nth-child(odd) { grid-column: 1 / -1; }
}
@media (max-width: 720px) {
  .business-column { grid-template-columns: 1fr; }
}


/* ===== 首屏高级科技化升级 ===== */
.hero {
  padding: 104px 0 68px;
  background:
    radial-gradient(circle at 15% 18%, rgba(71,200,255,.14), transparent 22%),
    radial-gradient(circle at 82% 20%, rgba(37,109,255,.16), transparent 26%),
    linear-gradient(180deg, rgba(255,255,255,.5), rgba(244,249,255,.24));
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(135deg, rgba(37,109,255,.05) 0%, transparent 28%, rgba(71,200,255,.05) 62%, transparent 100%),
    radial-gradient(circle at 50% 0%, rgba(255,255,255,.45), transparent 48%);
}
.hero-content {
  z-index: 2;
  gap: 54px;
}
.hero-copy {
  position: relative;
  z-index: 3;
}
.hero-copy .eyebrow {
  box-shadow: 0 12px 28px rgba(37,109,255,.1);
  border: 1px solid rgba(105, 163, 255, .16);
}
.hero-copy h1 {
  text-shadow: 0 8px 30px rgba(20, 48, 111, .08);
}
.hero-copy p {
  max-width: 640px;
}
.hero-tags .tag-card {
  background: linear-gradient(180deg, rgba(255,255,255,.86), rgba(243,248,255,.72));
  border-color: rgba(115,171,255,.2);
  position: relative;
  overflow: hidden;
}
.hero-tags .tag-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, rgba(71,200,255,0), rgba(71,200,255,.75), rgba(37,109,255,.85), rgba(71,200,255,0));
}
.hero-art-card {
  border-radius: 34px;
  border: 1px solid rgba(122, 177, 255, .22);
  background: linear-gradient(180deg, rgba(255,255,255,.86), rgba(238,246,255,.74));
  box-shadow: 0 26px 70px rgba(15, 62, 163, .16);
}
.hero-art-card img {
  transform: scale(1.02);
}
.hero-art-caption {
  background: linear-gradient(180deg, rgba(255,255,255,.68), rgba(244,248,255,.82));
}
.hero-flow-field {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 1;
}
.flow-line {
  position: absolute;
  display: block;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(71,200,255,0), rgba(71,200,255,.55), rgba(255,255,255,.85), rgba(37,109,255,.75), rgba(71,200,255,0));
  box-shadow: 0 0 10px rgba(71,200,255,.24), 0 0 20px rgba(37,109,255,.14);
  opacity: .42;
  filter: blur(.15px);
}
.flow-line::after {
  content: "";
  position: absolute;
  right: 8%;
  top: 50%;
  width: 68px;
  height: 8px;
  transform: translateY(-50%);
  border-radius: 999px;
  background: radial-gradient(circle, rgba(255,255,255,.95) 0%, rgba(71,200,255,.65) 45%, rgba(71,200,255,0) 72%);
  filter: blur(3px);
}
.line-1 { width: 30vw; top: 12%; left: -6%; transform: rotate(10deg); animation: flowMoveA 14s linear infinite; }
.line-3 { width: 24vw; top: 20%; right: -4%; transform: rotate(162deg); animation: flowMoveC 16s linear infinite; }
.line-6 { width: 26vw; top: 72%; right: -2%; transform: rotate(190deg); animation: flowMoveA 15s linear infinite reverse; }
.glow-dot {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,.9);
  box-shadow: 0 0 0 8px rgba(71,200,255,.06), 0 0 16px rgba(71,200,255,.3), 0 0 32px rgba(37,109,255,.16);
  opacity: .55;
}
.dot-1 { top: 18%; left: 16%; animation: dotFloat 6.5s ease-in-out infinite; }
.dot-3 { top: 70%; left: 38%; animation: dotFloat 5.6s ease-in-out infinite .8s; }
@keyframes flowMoveA {
  0% { transform: translate3d(0,0,0) rotate(10deg); opacity: .14; }
  20% { opacity: .48; }
  100% { transform: translate3d(22vw, -3vw, 0) rotate(10deg); opacity: .1; }
}
@keyframes flowMoveC {
  0% { transform: translate3d(0,0,0) rotate(162deg); opacity: .16; }
  25% { opacity: .5; }
  100% { transform: translate3d(-24vw, 4vw, 0) rotate(162deg); opacity: .08; }
}
@keyframes dotFloat {
  0%, 100% { transform: translateY(0) scale(1); opacity: .45; }
  50% { transform: translateY(-10px) scale(1.18); opacity: .88; }
}

/* ===== 核心业务左右卡片视觉统一强化 ===== */
.business-layout {
  gap: 28px;
}
.business-column {
  align-content: start;
}
.service-item {
  position: relative;
  overflow: hidden;
  padding: 22px 20px 20px 22px;
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.9), rgba(241,247,255,.8)),
    radial-gradient(circle at 100% 0%, rgba(71,200,255,.16), transparent 26%);
  border: 1px solid rgba(111, 168, 255, .2);
  box-shadow: 0 18px 36px rgba(18, 75, 188, .08);
  isolation: isolate;
}
.service-item::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, rgba(71,200,255,.95), rgba(37,109,255,.95));
  box-shadow: 0 0 20px rgba(71,200,255,.3);
}
.service-item::after {
  content: "";
  position: absolute;
  top: 16px;
  right: 16px;
  width: 54px;
  height: 54px;
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(71,200,255,.12), rgba(37,109,255,.06));
  border: 1px solid rgba(112, 173, 255, .14);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.28);
  z-index: -1;
}
.service-item h3 {
  position: relative;
  padding-right: 56px;
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.4;
}
.service-item p {
  font-size: 14px;
}
.service-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 46px rgba(18, 75, 188, .12);
  border-color: rgba(100, 161, 255, .32);
}
.business-column .service-item:nth-child(odd)::after {
  background: linear-gradient(135deg, rgba(71,200,255,.16), rgba(37,109,255,.08));
}
.business-column .service-item:nth-child(even)::after {
  background: linear-gradient(135deg, rgba(37,109,255,.13), rgba(71,200,255,.08));
}
@media (max-width: 980px) {
  .hero {
    padding: 82px 0 48px;
  }
  .hero-content {
    gap: 30px;
  }
  .line-1, .line-3, .line-6 {
    width: 38vw;
  }
}
@media (max-width: 720px) {
  .hero {
    padding: 58px 0 40px;
  }
  .hero-flow-field {
    opacity: .72;
  }
  .flow-line {
    opacity: .28;
    height: 1.5px;
  }
  .line-1, .line-3, .line-6 { display: none; }
  .service-item {
    padding: 18px 16px 16px 18px;
  }
  .service-item h3 {
    padding-right: 46px;
    font-size: 18px;
  }
  .service-item::after {
    width: 44px;
    height: 44px;
    top: 14px;
    right: 14px;
    border-radius: 14px;
  }
}


/* ===== 进一步增强：首页数字流 / 网格粒子背景 ===== */
.hero-flow-field::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle, rgba(71,200,255,.22) 1.2px, transparent 1.8px) 0 0 / 26px 26px,
    linear-gradient(rgba(84,148,255,.10) 1px, transparent 1px) 0 0 / 36px 36px,
    linear-gradient(90deg, rgba(84,148,255,.10) 1px, transparent 1px) 0 0 / 36px 36px;
  opacity: .38;
  mask-image: linear-gradient(180deg, rgba(0,0,0,.95), rgba(0,0,0,.6) 68%, transparent 100%);
}
.hero-flow-field::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 24%, rgba(71,200,255,.18), transparent 16%),
    radial-gradient(circle at 82% 18%, rgba(37,109,255,.16), transparent 18%),
    radial-gradient(circle at 64% 62%, rgba(71,200,255,.12), transparent 18%);
  opacity: .7;
}
/* ===== 修复业务卡片右上角空白框，补充图标内容 ===== */
.service-item::after {
  content: attr(data-icon);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .06em;
  color: #1d57d7;
}
.service-item:hover::after {
  color: #0e4fd7;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.36), 0 12px 24px rgba(37,109,255,.12);
}
@media (max-width: 720px) {
  .hero-flow-field::before {
    background:
      radial-gradient(circle, rgba(71,200,255,.2) 1px, transparent 1.6px) 0 0 / 22px 22px,
      linear-gradient(rgba(84,148,255,.08) 1px, transparent 1px) 0 0 / 28px 28px,
      linear-gradient(90deg, rgba(84,148,255,.08) 1px, transparent 1px) 0 0 / 28px 28px;
    opacity: .32;
  }
}


/* ===== 页面级科技背景层：固定于全站后方，不随内容滚动 ===== */
.site-shell {
  position: relative;
  isolation: isolate;
}
.site-shell > *:not(.global-tech-bg) {
  position: relative;
  z-index: 1;
}
.global-tech-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.global-tech-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle, rgba(71,200,255,.18) 1.2px, transparent 1.8px) 0 0 / 28px 28px,
    linear-gradient(rgba(84,148,255,.08) 1px, transparent 1px) 0 0 / 44px 44px,
    linear-gradient(90deg, rgba(84,148,255,.08) 1px, transparent 1px) 0 0 / 44px 44px;
  opacity: .38;
}
.global-tech-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 14% 18%, rgba(71,200,255,.10), transparent 18%),
    radial-gradient(circle at 86% 16%, rgba(37,109,255,.10), transparent 22%),
    radial-gradient(circle at 72% 68%, rgba(71,200,255,.08), transparent 16%);
  opacity: .9;
}
.gline {
  position: absolute;
  display: block;
  height: 2px;
  border-radius: 999px;
  opacity: .22;
  background: linear-gradient(90deg, rgba(71,200,255,0), rgba(71,200,255,.56), rgba(255,255,255,.9), rgba(37,109,255,.74), rgba(71,200,255,0));
  box-shadow: 0 0 14px rgba(71,200,255,.16), 0 0 28px rgba(37,109,255,.12);
}
.gline::after {
  content: "";
  position: absolute;
  right: 10%;
  top: 50%;
  width: 64px;
  height: 8px;
  transform: translateY(-50%);
  border-radius: 999px;
  background: radial-gradient(circle, rgba(255,255,255,.95) 0%, rgba(71,200,255,.65) 42%, rgba(71,200,255,0) 72%);
  filter: blur(3px);
}
.gline-1 { width: 26vw; top: 11%; left: -4vw; transform: rotate(12deg); animation: gFlowA 19s linear infinite; }
.gline-2 { width: 18vw; top: 23%; right: -2vw; transform: rotate(166deg); animation: gFlowB 22s linear infinite; }
.gline-3 { width: 22vw; top: 40%; left: 8vw; transform: rotate(-18deg); animation: gFlowC 18s linear infinite; }
@keyframes gFlowA {
  0% { transform: translate3d(0,0,0) rotate(12deg); opacity: .08; }
  20% { opacity: .24; }
  100% { transform: translate3d(18vw,-3vw,0) rotate(12deg); opacity: .06; }
}
@keyframes gFlowB {
  0% { transform: translate3d(0,0,0) rotate(166deg); opacity: .09; }
  28% { opacity: .24; }
  100% { transform: translate3d(-16vw,3vw,0) rotate(166deg); opacity: .07; }
}
@keyframes gFlowC {
  0% { transform: translate3d(0,0,0) rotate(-18deg); opacity: .1; }
  50% { opacity: .22; }
  100% { transform: translate3d(14vw,5vw,0) rotate(-18deg); opacity: .08; }
}

/* ===== 首屏右侧大图轻微悬浮动效 ===== */
.hero-visual {
  animation: heroFloatCard 8.5s ease-in-out infinite;
  transform-origin: center center;
  will-change: transform;
}
.hero-art-card {
  position: relative;
}
.hero-art-card::after {
  content: "";
  position: absolute;
  inset: auto 10% -22px 10%;
  height: 28px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(24,77,190,.16), rgba(24,77,190,0) 72%);
  filter: blur(10px);
  z-index: -1;
}
@keyframes heroFloatCard {
  0%, 100% { transform: translate3d(0, 0, 0); }
  50% { transform: translate3d(0, -10px, 0); }
}

/* ===== 业务卡片升级为“小图标 + 标题 + 简介”完整视觉版 ===== */
.service-item {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  align-items: start;
  gap: 16px;
  padding: 20px 18px 18px 20px;
}
.service-item::after {
  content: "";
  width: 70px;
  height: 70px;
  top: auto;
  bottom: -12px;
  right: -10px;
  border-radius: 20px;
  background: radial-gradient(circle, rgba(71,200,255,.16) 0%, rgba(37,109,255,.06) 48%, rgba(37,109,255,0) 75%);
  border: 0;
  box-shadow: none;
}
.service-icon {
  position: relative;
  width: 64px;
  height: 64px;
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.96), rgba(232,242,255,.84)),
    radial-gradient(circle at 30% 20%, rgba(71,200,255,.2), transparent 32%);
  border: 1px solid rgba(104, 154, 255, 0.2);
  box-shadow: 0 14px 28px rgba(18,75,188,.1), inset 0 1px 0 rgba(255,255,255,.7);
}
.service-icon::before {
  content: "";
  position: absolute;
  inset: 7px;
  border-radius: 15px;
  border: 1px solid rgba(110, 170, 255, .14);
}
.service-icon em {
  position: relative;
  font-style: normal;
  font-size: 18px;
  line-height: 1;
  font-weight: 800;
  color: #1a56d7;
  letter-spacing: .08em;
}
.service-icon small {
  position: relative;
  font-size: 10px;
  color: #5b77a8;
  font-weight: 700;
  letter-spacing: .08em;
}
.service-copy {
  min-width: 0;
}
.service-item h3 {
  padding-right: 0;
  margin: 4px 0 8px;
}
.service-item p {
  margin: 0;
}
.service-item:hover .service-icon {
  transform: translateY(-2px);
  box-shadow: 0 18px 30px rgba(18,75,188,.12), inset 0 1px 0 rgba(255,255,255,.75);
}
.service-icon { transition: transform .26s ease, box-shadow .26s ease; }

@media (max-width: 980px) {
  .global-tech-bg::before {
    background:
      radial-gradient(circle, rgba(71,200,255,.16) 1px, transparent 1.7px) 0 0 / 24px 24px,
      linear-gradient(rgba(84,148,255,.07) 1px, transparent 1px) 0 0 / 34px 34px,
      linear-gradient(90deg, rgba(84,148,255,.07) 1px, transparent 1px) 0 0 / 34px 34px;
  }
}
@media (max-width: 720px) {
  .gline-2 { display: none; }
  .service-item {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 14px;
    padding: 18px 16px;
  }
  .service-icon {
    width: 56px;
    height: 56px;
    border-radius: 18px;
  }
  .service-icon em { font-size: 16px; }
  .service-icon small { font-size: 9px; }
  .hero-visual { animation-duration: 7.2s; }
}


/* ===== 2026-05-21 收尾修复 ===== */
.header {
  left: 0;
  width: 100%;
  box-shadow: 0 6px 24px rgba(17, 50, 120, 0.05);
}
.header.is-scrolled {
  background: rgba(255,255,255,.94);
  box-shadow: 0 14px 40px rgba(17, 63, 156, .12);
}
main {
  padding-top: 82px;
}
.nav-wrap {
  position: relative;
}
.nav a {
  position: relative;
}
.nav a.active::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 7px;
  height: 3px;
  border-radius: 999px;
  background: rgba(255,255,255,.92);
}

/* 回到顶部按钮修复：固定右下角并显示文案 */
.back-top {
  position: fixed;
  right: 22px;
  left: auto;
  bottom: 22px;
  z-index: 1200;
  width: auto;
  min-width: 126px;
  height: 52px;
  padding: 0 18px 0 16px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  white-space: nowrap;
  box-shadow: 0 16px 40px rgba(37, 109, 255, 0.32);
}
.back-top-icon {
  font-size: 18px;
  line-height: 1;
}
.back-top-text {
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
}

/* 合作生态标签一行显示 */
.pill-grid {
  flex-wrap: nowrap;
  align-items: center;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: none;
  justify-content: flex-start;
}
.pill-grid::-webkit-scrollbar { display: none; }
.pill-grid span {
  flex: 0 0 auto;
  white-space: nowrap;
  padding: 9px 14px;
}

/* 业务卡片右下角有色块优化为更轻的科技角标 */
.service-item::after {
  content: "";
  position: absolute;
  width: 42px;
  height: 42px;
  top: 14px;
  right: 14px;
  bottom: auto;
  left: auto;
  border-radius: 14px;
  background:
    linear-gradient(135deg, rgba(71,200,255,.10), rgba(37,109,255,.04));
  border: 1px solid rgba(104,154,255,.14);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.5);
  opacity: .9;
}
.service-item::before {
  width: 3px;
  opacity: .9;
}
.service-item h3 {
  padding-right: 18px;
}
.service-item p {
  max-width: 100%;
}

/* 重点方案统一轻微科技动效 */
.focus-banner {
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
  animation: bannerBreath 8s ease-in-out infinite;
  border: 1px solid rgba(109, 168, 255, .18);
}
.focus-banner:nth-of-type(2) { animation-delay: 1.2s; }
.focus-banner:nth-of-type(3) { animation-delay: 2.4s; }
.focus-banner:nth-of-type(4) { animation-delay: 3.6s; }
.focus-banner:hover {
  transform: translateY(-6px);
  box-shadow: 0 26px 58px rgba(15, 79, 195, .14);
  border-color: rgba(71,200,255,.26);
}
.focus-banner img {
  transition: transform .55s ease;
}
.focus-banner:hover img {
  transform: scale(1.015);
}
@keyframes bannerBreath {
  0%,100% { box-shadow: 0 18px 40px rgba(15,79,195,.08); }
  50% { box-shadow: 0 24px 52px rgba(15,79,195,.12); }
}

@media (max-width: 980px) {
  main { padding-top: 72px; }
}
@media (max-width: 720px) {
  .back-top {
    right: 14px;
    bottom: 16px;
    min-width: 112px;
    height: 46px;
    padding: 0 14px;
    gap: 6px;
    border-radius: 16px;
  }
  .back-top-icon { font-size: 16px; }
  .back-top-text { font-size: 13px; }
  .service-item::after {
    width: 36px;
    height: 36px;
    top: 12px;
    right: 12px;
    border-radius: 12px;
  }
  .pill-grid {
    gap: 8px;
  }
  .pill-grid span {
    padding: 8px 12px;
    font-size: 13px;
  }
}


/* ===== 2026-05-21 导航栏高级感升级 ===== */
.header {
  background: rgba(255,255,255,.72);
  border-bottom: 1px solid rgba(121, 166, 255, 0.10);
  backdrop-filter: blur(24px) saturate(140%);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
  transition: background .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.nav-wrap {
  height: 88px;
  transition: height .35s ease;
}
.brand img {
  height: 52px;
  transition: height .35s ease, transform .35s ease, opacity .35s ease;
}
.nav {
  padding: 6px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255,255,255,.64), rgba(245,249,255,.54));
  border: 1px solid rgba(116, 167, 255, .16);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.72), 0 14px 32px rgba(16, 66, 170, .08);
}
.nav a {
  padding: 12px 16px;
  border-radius: 999px;
  transition: color .28s ease, background .28s ease, transform .28s ease, box-shadow .28s ease;
}
.nav a:hover {
  transform: translateY(-1px);
  background: rgba(37,109,255,.06);
}
.nav a.active {
  color: #fff;
  background: linear-gradient(135deg, rgba(37,109,255,.98), rgba(71,200,255,.88));
  box-shadow: 0 12px 24px rgba(37,109,255,.22), inset 0 1px 0 rgba(255,255,255,.24);
}
.nav a.active::after {
  display: none;
}
.header.is-scrolled {
  background: rgba(255,255,255,.88);
  border-bottom-color: rgba(112, 162, 255, .14);
  box-shadow: 0 16px 40px rgba(17, 63, 156, .12);
}
.header.is-scrolled .nav-wrap {
  height: 72px;
}
.header.is-scrolled .brand img {
  height: 46px;
  transform: scale(.98);
}
.header.is-scrolled .nav {
  background: linear-gradient(180deg, rgba(255,255,255,.78), rgba(245,249,255,.68));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.74), 0 16px 34px rgba(16, 66, 170, .1);
}

/* ===== 首屏右侧建筑图：轻微呼吸光效 ===== */
.hero-visual {
  position: relative;
}
.hero-visual::before {
  content: "";
  position: absolute;
  inset: 12% -6% 12% -6%;
  z-index: -1;
  border-radius: 40px;
  background: radial-gradient(circle at 55% 50%, rgba(72, 166, 255, .28), rgba(72,166,255,.08) 38%, rgba(72,166,255,0) 72%);
  filter: blur(24px);
  animation: heroGlowPulse 6.8s ease-in-out infinite;
}
.hero-art-card {
  animation: heroCardBreath 6.8s ease-in-out infinite;
}
@keyframes heroGlowPulse {
  0%, 100% { opacity: .42; transform: scale(.96); }
  50% { opacity: .74; transform: scale(1.04); }
}
@keyframes heroCardBreath {
  0%, 100% { box-shadow: 0 26px 70px rgba(15, 62, 163, .16); }
  50% { box-shadow: 0 32px 84px rgba(15, 90, 210, .22); }
}

/* ===== 重点方案：更统一的卡片动画风格 ===== */
.focus-banners .container {
  gap: 24px;
}
.focus-banner {
  position: relative;
  padding: 20px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.92), rgba(242,248,255,.80)),
    radial-gradient(circle at 100% 0%, rgba(71,200,255,.16), transparent 26%);
  border: 1px solid rgba(110, 168, 255, .18);
  box-shadow: 0 18px 42px rgba(15,79,195,.08);
  transition: transform .38s ease, box-shadow .38s ease, border-color .38s ease, background .38s ease;
  animation: bannerBreath 8s ease-in-out infinite;
}
.focus-banner::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  top: 0;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(71,200,255,0), rgba(71,200,255,.86), rgba(37,109,255,.94), rgba(71,200,255,0));
  opacity: .82;
}
.focus-banner:hover {
  transform: translateY(-8px);
  border-color: rgba(71,200,255,.28);
  box-shadow: 0 28px 64px rgba(15,79,195,.15);
}
.focus-banner-head {
  align-items: center;
}
.focus-banner-head > span {
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.32), 0 14px 30px rgba(37,109,255,.12);
  transition: transform .35s ease, box-shadow .35s ease;
}
.focus-banner:hover .focus-banner-head > span {
  transform: translateY(-2px) scale(1.04);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.4), 0 18px 34px rgba(37,109,255,.18);
}
.focus-banner img {
  transform-origin: center center;
  transition: transform .55s ease, filter .55s ease;
  filter: saturate(1.01);
}
.focus-banner:hover img {
  transform: scale(1.018);
  filter: saturate(1.05);
}
.focus-banner:nth-of-type(2) { animation-delay: 1.2s; }
.focus-banner:nth-of-type(3) { animation-delay: 2.4s; }
.focus-banner:nth-of-type(4) { animation-delay: 3.6s; }
@keyframes bannerBreath {
  0%,100% { box-shadow: 0 18px 42px rgba(15,79,195,.08); }
  50% { box-shadow: 0 24px 54px rgba(15,79,195,.12); }
}

@media (max-width: 980px) {
  .nav {
    padding: 12px;
    border-radius: 20px;
  }
  .header.is-scrolled .nav-wrap {
    height: 72px;
  }
}
@media (max-width: 720px) {
  .nav-wrap {
    height: 72px;
  }
  .brand img {
    height: 42px;
  }
  .header.is-scrolled .brand img {
    height: 40px;
  }
  .hero-visual::before {
    inset: 10% -4% 10% -4%;
    filter: blur(18px);
  }
  .focus-banner {
    padding: 16px;
  }
}


/* ===== 2026-05-21 最终精修 ===== */
html, body {
  overflow-x: hidden;
}

/* 真正固定置顶导航，强制覆盖旧规则 */
.header {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  width: 100% !important;
  z-index: 2000 !important;
}
main {
  padding-top: 92px !important;
}

/* Logo 区域更精致 */
.brand {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 10px 16px 10px 14px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255,255,255,.84), rgba(245,249,255,.74));
  border: 1px solid rgba(118, 168, 255, .18);
  box-shadow: 0 12px 26px rgba(16, 66, 170, .08), inset 0 1px 0 rgba(255,255,255,.8);
  transition: transform .28s ease, box-shadow .28s ease, background .28s ease;
}
.brand::after {
  content: "MEDICAL TECH";
  position: absolute;
  right: 12px;
  bottom: 5px;
  font-size: 10px;
  line-height: 1;
  letter-spacing: .18em;
  font-weight: 700;
  color: rgba(31, 80, 180, .42);
  pointer-events: none;
}
.brand:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 30px rgba(16, 66, 170, .11), inset 0 1px 0 rgba(255,255,255,.86);
}
.brand img {
  position: relative;
  z-index: 1;
  display: block;
  height: 54px;
}
.header.is-scrolled .brand {
  padding: 8px 14px 8px 12px;
  border-radius: 20px;
}
.header.is-scrolled .brand img {
  height: 46px;
}

/* 导航更企业官网化 */
.nav-wrap {
  height: 92px;
  gap: 24px;
}
.header.is-scrolled .nav-wrap {
  height: 74px;
}
.nav {
  margin-left: auto;
}
.nav a {
  font-weight: 700;
  letter-spacing: .01em;
}

/* 首屏标题高级渐变与轻描边 */
.hero-copy h1 {
  display: inline-block;
  background: linear-gradient(135deg, #0d2f76 0%, #153b92 34%, #2f73ff 60%, #0c2d73 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 10px 24px rgba(19, 67, 180, .08);
  letter-spacing: -.03em;
}
.hero-copy h1 span {
  background: linear-gradient(135deg, #2c67ff 0%, #47c8ff 48%, #256dff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  -webkit-text-stroke: 1px rgba(18, 65, 170, .10);
  text-shadow: 0 12px 26px rgba(71, 200, 255, .12);
}
.hero-copy p {
  max-width: 680px;
}

/* 整站间距、对齐、细节微调 */
.section {
  padding: 84px 0;
}
.section-title.center,
.section-heading {
  max-width: 820px;
}
.section-title.center {
  margin-left: auto;
  margin-right: auto;
}
.section-title.center p,
.section-heading p {
  max-width: 760px;
}
.stats-band {
  padding-top: 24px;
}
.stats-grid {
  gap: 16px;
}
.stat-card {
  padding: 26px 16px;
}
.visual-image-card,
.image-frame,
.focus-banner,
.product-card,
.partner-item,
.service-item,
.hero-art-card {
  backdrop-filter: blur(10px);
}
.section-visual-card {
  margin-bottom: 42px;
}
.two-col {
  gap: 48px;
}
.product-grid,
.partner-grid,
.business-layout {
  align-items: stretch;
}
.product-card,
.partner-item,
.service-item {
  height: 100%;
}

/* Keep the five desktop service cards aligned with the center value card. */
@media (min-width: 1181px) {
  .business-column {
    grid-template-rows: repeat(5, minmax(0, 1fr));
    align-content: stretch;
  }
}
.footer-grid {
  gap: 28px;
}

/* 回到顶部按钮再次强制固定到右下角 */
.back-top {
  position: fixed !important;
  right: 24px !important;
  left: auto !important;
  bottom: 22px !important;
  top: auto !important;
  z-index: 2100 !important;
}

@media (max-width: 980px) {
  main {
    padding-top: 82px !important;
  }
  .nav-wrap {
    height: 82px;
  }
  .header.is-scrolled .nav-wrap {
    height: 70px;
  }
  .brand {
    padding: 8px 12px 8px 10px;
    border-radius: 18px;
  }
  .brand::after {
    display: none;
  }
  .two-col {
    gap: 34px;
  }
}
@media (max-width: 720px) {
  main {
    padding-top: 74px !important;
  }
  .section {
    padding: 68px 0;
  }
  .nav-wrap {
    height: 74px;
  }
  .brand {
    padding: 6px 10px 6px 8px;
    border-radius: 16px;
  }
  .brand img {
    height: 42px;
  }
  .hero-copy h1 {
    font-size: clamp(34px, 9vw, 54px);
    line-height: 1.1;
  }
  .back-top {
    right: 14px !important;
    bottom: 16px !important;
  }
}


/* ===== 2026-05-21 二次精修 ===== */
/* 首屏与数据卡交界背景过渡统一 */
.hero {
  padding-bottom: 34px !important;
  margin-bottom: 0 !important;
}
.stats-band {
  position: relative;
  margin-top: -6px;
  padding-top: 0 !important;
  background: transparent !important;
}
.stats-grid {
  position: relative;
  z-index: 2;
}

/* 回到顶部按钮：点击直接返回顶部 */
.back-top {
  cursor: pointer;
}

/* 去掉业务卡片后面的弧形色块 */
.service-item::after {
  display: none !important;
  content: none !important;
}
.service-item {
  padding-right: 18px !important;
}
.service-item h3 {
  padding-right: 0 !important;
}

/* 首屏右侧图片放大 30% 并增加浮动业务标签 */
.hero-visual {
  transform: translate3d(2%, 0, 0) scale(1.16);
  transform-origin: center center;
}
.hero-art-card {
  overflow: visible;
}
.hero-art-card img {
  transform: scale(1.3) !important;
  transform-origin: center center;
}
.hero-art-caption {
  position: relative;
  z-index: 3;
}
.hero-float-tag {
  position: absolute;
  z-index: 4;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 16px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255,255,255,.92), rgba(240,246,255,.84));
  border: 1px solid rgba(108, 160, 255, .20);
  box-shadow: 0 14px 30px rgba(16, 66, 170, .12), inset 0 1px 0 rgba(255,255,255,.82);
  color: #1849b8;
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  backdrop-filter: blur(10px);
}
.hero-float-tag::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 8px;
  background: linear-gradient(135deg, #47c8ff, #256dff);
  box-shadow: 0 0 0 5px rgba(71,200,255,.08);
}
.tag-a { top: 10%; right: 8%; animation: heroTagFloatA 5.6s ease-in-out infinite; }
.tag-b { top: 34%; left: -6%; animation: heroTagFloatB 6.2s ease-in-out infinite; }
.tag-c { bottom: 28%; right: -4%; animation: heroTagFloatC 5.8s ease-in-out infinite; }
.tag-d { bottom: 11%; left: 2%; animation: heroTagFloatD 6.5s ease-in-out infinite; }
@keyframes heroTagFloatA {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@keyframes heroTagFloatB {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}
@keyframes heroTagFloatC {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
@keyframes heroTagFloatD {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(10px); }
}

/* 细节对齐优化 */
.hero-content {
  align-items: center !important;
}
.hero-copy,
.hero-visual {
  align-self: center;
}

@media (max-width: 1180px) {
  .hero-visual {
    transform: translate3d(0, 0, 0) scale(1.08);
  }
  .hero-art-card img {
    transform: scale(1.18) !important;
  }
}
@media (max-width: 980px) {
  .hero-visual {
    transform: none;
  }
  .hero-art-card img {
    transform: scale(1.08) !important;
  }
  .hero-float-tag {
    font-size: 12px;
    min-height: 34px;
    padding: 0 14px;
  }
  .tag-a { top: 6%; right: 8%; }
  .tag-b { top: 30%; left: 0; }
  .tag-c { bottom: 24%; right: 2%; }
  .tag-d { bottom: 8%; left: 4%; }
}
@media (max-width: 720px) {
  .hero {
    padding-bottom: 20px !important;
  }
  .stats-band {
    margin-top: 0;
  }
  .hero-float-tag {
    font-size: 11px;
    min-height: 30px;
    padding: 0 12px;
    border-radius: 999px;
  }
  .hero-float-tag::before {
    width: 6px;
    height: 6px;
    margin-right: 6px;
  }
  .tag-b, .tag-d {
    display: none;
  }
  .tag-a { top: 4%; right: 6%; }
  .tag-c { bottom: 18%; right: 4%; }
}


/* ===== 2026-05-21 首屏布局与标签精修 ===== */
.hero-content {
  grid-template-columns: 1.04fr .96fr !important;
  gap: 34px !important;
  align-items: center !important;
}
.hero-copy {
  padding-right: 8px;
}
.hero-copy p {
  max-width: 640px !important;
}

/* 右侧建筑图缩小并略微左移，修复遮挡与视觉重心 */
.hero-visual {
  width: min(100%, 630px);
  margin: 0 auto;
  transform: translate3d(-3.5%, 0, 0) scale(0.98) !important;
  transform-origin: center center;
}
.hero-visual::before {
  inset: 8% -4% 10% -6% !important;
}
.hero-art-card {
  overflow: hidden !important;
  border-radius: 30px;
}
.hero-art-card img {
  transform: none !important;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.hero-art-caption {
  width: 100%;
  box-sizing: border-box;
  padding: 14px 18px !important;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.hero-art-caption strong {
  flex: 0 1 auto;
  min-width: 0;
}
.hero-art-caption span {
  flex: 0 0 auto;
  white-space: nowrap;
}

/* 浮动标签更精致，并按标注位置调整 */
.hero-float-tag {
  min-height: 36px !important;
  padding: 0 14px !important;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255,255,255,.94), rgba(243,248,255,.88));
  border: 1px solid rgba(112, 166, 255, .22);
  box-shadow: 0 12px 28px rgba(16, 66, 170, .11), inset 0 1px 0 rgba(255,255,255,.86);
  color: #1d4fc0;
  font-size: 12.5px !important;
  font-weight: 700;
  letter-spacing: .01em;
}
.hero-float-tag::before {
  width: 7px !important;
  height: 7px !important;
  margin-right: 7px !important;
  background: linear-gradient(135deg, #49c9ff, #256dff);
  box-shadow: 0 0 0 5px rgba(71,200,255,.08);
}
.tag-a { top: 12%; right: 10%; left: auto; bottom: auto; animation: heroTagFloatA 5.8s ease-in-out infinite; }
.tag-b { top: 47%; left: 1.5%; right: auto; bottom: auto; animation: heroTagFloatB 6.2s ease-in-out infinite; }
.tag-c { top: 69%; right: 2%; left: auto; bottom: auto; animation: heroTagFloatC 6s ease-in-out infinite; }
.tag-d { top: auto; bottom: 15.5%; left: 2%; right: auto; animation: heroTagFloatD 6.4s ease-in-out infinite; }

/* 避免标签遮挡公司名称，控制底部信息区留白 */
.hero-art-card .hero-art-caption {
  position: relative;
  z-index: 3;
}

/* 微调首屏与统计区过渡的一致性 */
.hero {
  padding-bottom: 26px !important;
}
.stats-band {
  margin-top: -2px !important;
  padding-top: 0 !important;
}

@media (max-width: 1180px) {
  .hero-content {
    grid-template-columns: 1fr 1fr !important;
    gap: 26px !important;
  }
  .hero-visual {
    width: min(100%, 560px);
    transform: translate3d(-1.5%, 0, 0) scale(0.98) !important;
  }
  .tag-a { top: 11%; right: 8%; }
  .tag-b { top: 45%; left: 1%; }
  .tag-c { top: 67%; right: 1%; }
  .tag-d { bottom: 16%; left: 1%; }
}
@media (max-width: 980px) {
  .hero-content {
    grid-template-columns: 1fr !important;
    gap: 24px !important;
  }
  .hero-copy {
    padding-right: 0;
  }
  .hero-visual {
    width: min(100%, 560px);
    transform: none !important;
  }
  .hero-art-card {
    border-radius: 26px;
  }
  .hero-art-caption {
    padding: 12px 16px !important;
    flex-direction: row;
    flex-wrap: wrap;
  }
  .hero-art-caption span {
    white-space: normal;
  }
  .hero-float-tag {
    min-height: 34px !important;
    padding: 0 13px !important;
    font-size: 12px !important;
  }
  .tag-a { top: 9%; right: 8%; }
  .tag-b { top: 44%; left: 2%; }
  .tag-c { top: 66%; right: 3%; }
  .tag-d { bottom: 17%; left: 2%; }
}
@media (max-width: 720px) {
  .hero {
    padding-bottom: 18px !important;
  }
  .hero-content {
    gap: 20px !important;
  }
  .hero-copy {
    text-align: left;
  }
  .hero-copy h1 {
    font-size: clamp(32px, 10vw, 46px) !important;
    margin-bottom: 16px;
  }
  .hero-copy p {
    font-size: 14px !important;
    line-height: 1.8 !important;
  }
  .hero-visual {
    width: 100%;
    max-width: 100%;
  }
  .hero-art-card {
    border-radius: 22px;
  }
  .hero-art-caption {
    padding: 11px 14px !important;
    gap: 8px;
  }
  .hero-art-caption strong {
    font-size: 15px;
  }
  .hero-art-caption span {
    font-size: 12px;
  }
  .hero-float-tag {
    min-height: 30px !important;
    padding: 0 10px !important;
    font-size: 10.5px !important;
    box-shadow: 0 8px 18px rgba(16,66,170,.10), inset 0 1px 0 rgba(255,255,255,.84);
  }
  .hero-float-tag::before {
    width: 6px !important;
    height: 6px !important;
    margin-right: 6px !important;
  }
  .tag-b, .tag-d { display: inline-flex; }
  .tag-a { top: 7%; right: 6%; }
  .tag-b { top: 41%; left: 2%; }
  .tag-c { top: 64%; right: 2%; }
  .tag-d { bottom: 18%; left: 2%; }
}


/* ===== 2026-05-21 首屏气泡卡片与首页统一样式升级 ===== */

/* 首屏右侧浮动标签：升级为业务气泡卡片，并集中到左上红框区域 */
.hero-visual {
  overflow: visible;
}
.hero-float-tag {
  min-height: 42px !important;
  padding: 0 16px !important;
  border-radius: 999px !important;
  background:
    linear-gradient(180deg, rgba(255,255,255,.96), rgba(241,247,255,.90)) !important;
  border: 1px solid rgba(104, 162, 255, .22) !important;
  box-shadow:
    0 14px 30px rgba(20, 74, 184, .12),
    inset 0 1px 0 rgba(255,255,255,.85),
    inset 0 -8px 18px rgba(71,200,255,.06) !important;
  color: #1a50c6 !important;
  font-size: 13px !important;
  font-weight: 800 !important;
  letter-spacing: .01em;
  backdrop-filter: blur(14px);
}
.hero-float-tag::before {
  width: 9px !important;
  height: 9px !important;
  margin-right: 9px !important;
  background: linear-gradient(135deg, #52d1ff, #2b6fff) !important;
  box-shadow: 0 0 0 6px rgba(71,200,255,.08), 0 0 14px rgba(71,200,255,.18) !important;
}
.hero-float-tag::after {
  content: "";
  position: absolute;
  inset: 6px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.52);
  pointer-events: none;
}
/* 依据红框，统一分布到建筑图左上区域，随机感排列 */
.tag-a { top: 17%; left: 7%; right: auto; bottom: auto; animation: heroTagFloatA 6.0s ease-in-out infinite; }
.tag-b { top: 36%; left: 2.5%; right: auto; bottom: auto; animation: heroTagFloatB 6.8s ease-in-out infinite; }
.tag-c { top: 46%; left: 24%; right: auto; bottom: auto; animation: heroTagFloatC 6.2s ease-in-out infinite; }
.tag-d { top: 61%; left: 6%; right: auto; bottom: auto; animation: heroTagFloatD 7s ease-in-out infinite; }

/* 首屏按钮与统计卡片间距微调 */
.hero-actions {
  margin-top: 12px;
  gap: 16px;
}
.hero-tags {
  margin: 26px 0 24px;
}
.stats-band {
  padding-top: 8px !important;
}
.stats-grid {
  gap: 18px !important;
}
.stat-card {
  padding: 24px 16px 22px !important;
  border-radius: 24px !important;
}
.stat-card strong {
  margin-bottom: 12px;
}

/* 首页所有板块标题样式统一 */
.section-title.center,
.section-heading {
  position: relative;
}
.section-title.center .eyebrow,
.section-heading .eyebrow {
  position: relative;
  background: linear-gradient(180deg, rgba(37,109,255,.10), rgba(71,200,255,.08));
  border: 1px solid rgba(111, 165, 255, .18);
  box-shadow: 0 10px 24px rgba(37,109,255,.06), inset 0 1px 0 rgba(255,255,255,.78);
}
.section-title.center h2,
.section-heading h2 {
  position: relative;
  margin-bottom: 14px !important;
  padding-bottom: 16px;
  color: #12306b;
}
.section-title.center h2::after,
.section-heading h2::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  width: 74px;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(71,200,255,.18), rgba(37,109,255,.95), rgba(71,200,255,.18));
  box-shadow: 0 0 14px rgba(71,200,255,.16);
}
.section-heading h2::after {
  left: 0;
  transform: none;
}
.section-title.center p,
.section-heading p {
  color: #546b92;
}

/* 标题区与内容区的统一间距 */
.section-title.center,
.section-heading,
.visual-image-card,
.section-visual-card {
  margin-bottom: 36px !important;
}
.focus-banner-head h3,
.product-card h3,
.service-item h3 {
  letter-spacing: -.01em;
}

@media (max-width: 1180px) {
  .tag-a { top: 16%; left: 6%; }
  .tag-b { top: 34%; left: 2%; }
  .tag-c { top: 44%; left: 22%; }
  .tag-d { top: 58%; left: 6%; }
}
@media (max-width: 980px) {
  .hero-float-tag {
    min-height: 38px !important;
    padding: 0 14px !important;
    font-size: 12px !important;
  }
  .hero-float-tag::before {
    width: 8px !important;
    height: 8px !important;
    margin-right: 8px !important;
  }
  .tag-a { top: 16%; left: 6%; }
  .tag-b { top: 32%; left: 2%; }
  .tag-c { top: 43%; left: 22%; }
  .tag-d { top: 57%; left: 5%; }
  .stats-grid {
    gap: 14px !important;
  }
}
@media (max-width: 720px) {
  .hero-float-tag {
    min-height: 32px !important;
    padding: 0 10px !important;
    font-size: 10.5px !important;
    box-shadow: 0 8px 18px rgba(20,74,184,.10), inset 0 1px 0 rgba(255,255,255,.84) !important;
  }
  .hero-float-tag::before {
    width: 6px !important;
    height: 6px !important;
    margin-right: 6px !important;
    box-shadow: 0 0 0 4px rgba(71,200,255,.08), 0 0 10px rgba(71,200,255,.15) !important;
  }
  .tag-a { top: 13%; left: 4%; }
  .tag-b { top: 29%; left: 2%; }
  .tag-c { top: 42%; left: 18%; }
  .tag-d { top: 56%; left: 4%; }
  .hero-actions {
    gap: 12px;
  }
  .stats-band {
    padding-top: 4px !important;
  }
  .section-title.center h2,
  .section-heading h2 {
    padding-bottom: 14px;
  }
  .section-title.center h2::after,
  .section-heading h2::after {
    width: 58px;
    height: 3px;
  }
}


/* ===== 2026-05-21 首次加载与缓存修复 ===== */
/* 原因：浏览器可能缓存旧的 style.css / main.js，导致首屏浮动标签样式没有立即生效。
   这里通过版本参数 + 首屏关键模块默认 visible，避免首次加载时不显示。 */
.hero-copy.visible,
.hero-visual.visible,
.stats-grid.visible {
  opacity: 1 !important;
  transform: none !important;
}


/* ===== 2026-05-21 手机端合作生态上下排布修复 ===== */
@media (max-width: 980px) {
  /* 仅移动端生效：资源整合与合作生态不再左右排布 */
  .solutions .two-col.reverse {
    display: flex !important;
    flex-direction: column !important;
    gap: 24px !important;
    align-items: stretch !important;
  }
  .solutions .section-heading {
    order: 1 !important;
    width: 100% !important;
    max-width: 100% !important;
    margin-bottom: 0 !important;
    text-align: left !important;
  }
  .solutions .solution-visual {
    order: 2 !important;
    width: 100% !important;
  }
  .solutions .image-frame {
    width: 100% !important;
    border-radius: 24px !important;
  }
  .solutions .image-frame img {
    width: 100% !important;
    height: auto !important;
    object-fit: contain !important;
  }
  .solutions .section-heading h2 {
    font-size: clamp(30px, 8vw, 44px) !important;
    line-height: 1.18 !important;
  }
  .solutions .section-heading p {
    max-width: 100% !important;
    font-size: 16px !important;
    line-height: 1.9 !important;
    word-break: normal !important;
  }
  .solutions .pill-grid {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 10px !important;
    overflow: visible !important;
    margin-top: 22px !important;
  }
  .solutions .pill-grid span {
    width: 100% !important;
    justify-content: center !important;
    text-align: center !important;
    white-space: nowrap !important;
    padding: 11px 12px !important;
  }
}

@media (max-width: 520px) {
  .solutions .two-col.reverse {
    gap: 20px !important;
  }
  .solutions .section-heading h2 {
    font-size: clamp(28px, 10vw, 38px) !important;
  }
  .solutions .section-heading p {
    font-size: 15px !important;
    line-height: 1.85 !important;
  }
  .solutions .pill-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 9px !important;
  }
  .solutions .pill-grid span {
    font-size: 13px !important;
    padding: 10px 8px !important;
  }
}


/* ===== 2026-05-21 手机端滚动性能优化 + 合作生态标签补充 ===== */
@media (max-width: 980px) {
  /* 手机/平板端减少重绘和连续动画，修复首页上滑卡顿 */
  html {
    scroll-behavior: smooth;
  }
  .global-tech-bg,
  .hero-flow-field {
    display: none !important;
  }
  .hero-visual,
  .hero-art-card,
  .hero-visual::before,
  .focus-banner,
  .focus-banner img,
  .hero-float-tag,
  .gline,
  .flow-line,
  .glow-dot {
    animation: none !important;
    transition-duration: .2s !important;
  }
  .glass-card,
  .nav,
  .header,
  .hero-float-tag,
  .service-item,
  .focus-banner,
  .product-card,
  .partner-item,
  .image-frame,
  .visual-image-card,
  .hero-art-card {
    -webkit-backdrop-filter: none !important;
    backdrop-filter: none !important;
  }
  .header {
    background: rgba(255,255,255,.96) !important;
  }
  .hero {
    background: linear-gradient(180deg, #f7faff 0%, #f4f8ff 100%) !important;
  }
  .hero::before,
  .hero-bg-grid::before,
  .hero-bg-grid::after {
    display: none !important;
  }
  .reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .solutions .pill-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }
}
@media (max-width: 520px) {
  .solutions .pill-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }
}

/* ===== 2026-07-16 performance stabilization ===== */
.header{
  -webkit-backdrop-filter:none!important;
  backdrop-filter:none!important;
  background:rgba(255,255,255,.96)!important;
}
.hero-art-card,
.hero-art-card::before,
.focus-banner,
.focus-banner::before,
.focus-banner::after{
  animation:none!important;
}
body::after{display:none!important;}
.hero-visual,
.hero-visual::before,
.hero-float-tag,
.visual-image-card::before,
.image-frame::before{
  animation:none!important;
}
.hero-float-tag{
  -webkit-backdrop-filter:none!important;
  backdrop-filter:none!important;
}
.focus-banner img{
  width:100%!important;
  height:auto!important;
  aspect-ratio:16 / 9;
  object-fit:contain!important;
}
.visual-image-card img,
.image-frame img{
  aspect-ratio:16 / 9;
}

@media (max-width:980px){
  .hero-light{filter:none!important;}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    scroll-behavior:auto!important;
    animation-duration:.01ms!important;
    animation-iteration-count:1!important;
    transition-duration:.01ms!important;
  }
}

/* ===== 2026-07-16 accessibility and contact interaction ===== */
.skip-link{
  position:fixed;
  top:12px;
  left:12px;
  z-index:10000;
  padding:10px 16px;
  border-radius:8px;
  background:#fff;
  color:var(--primary);
  font-weight:800;
  box-shadow:0 10px 28px rgba(7,36,106,.22);
  transform:translateY(-180%);
  transition:transform .2s ease;
}
.skip-link:focus{transform:translateY(0);}
:where(a,button,[tabindex]):focus-visible{
  outline:3px solid #47c8ff;
  outline-offset:3px;
}
.footer-brand a{
  color:#8fd5ff;
  font-weight:700;
  text-decoration:underline;
  text-decoration-color:rgba(143,213,255,.45);
  text-underline-offset:3px;
}
.footer-brand a:hover{color:#fff;}
@media (max-width:980px){
  .nav{
    z-index:1;
    max-height:calc(100dvh - 84px);
    overflow:auto;
    background:#fff!important;
    border-color:rgba(37,109,255,.24)!important;
    box-shadow:0 22px 56px rgba(7,36,106,.2)!important;
  }
}

/* ===== 2026-07-19 LCP-aware media rendering ===== */
img[data-deferred-src]{
  visibility:hidden;
}
.first-showcase .visual-image-card,
.about-image-frame{
  content-visibility:auto;
}
.first-showcase .visual-image-card{
  contain-intrinsic-size:auto 697.5px;
}
.about-image-frame{
  contain-intrinsic-size:auto 397.219px;
}
.media-render-ready .first-showcase .visual-image-card,
.media-render-ready .about-image-frame{
  content-visibility:visible;
  contain-intrinsic-size:none;
}
@media (max-width:980px){
  .first-showcase .visual-image-card{
    contain-intrinsic-size:auto calc(56.25vw - 22.5px);
  }
  .about-image-frame{
    contain-intrinsic-size:auto calc(56.25vw - 39.375px);
  }
}
@media (max-width:720px){
  .first-showcase .visual-image-card{
    contain-intrinsic-size:auto calc(56.25vw - 15.75px);
  }
  .about-image-frame{
    contain-intrinsic-size:auto calc(56.28vw - 32.65px);
  }
}

/* ===== 2026-07-20 adaptive motion budget ===== */
.motion-lite .gline,
.motion-lite .flow-line,
.motion-lite .glow-dot{
  animation:none!important;
  will-change:auto!important;
}
.motion-lite .gline::after,
.motion-lite .flow-line,
.motion-lite .flow-line::after{
  filter:none!important;
}

@media (max-width:980px){
  .header,
  .nav-wrap,
  .brand,
  .brand img{
    transition:none!important;
  }
  .header.is-scrolled{
    border-bottom-color:rgba(121,166,255,.10)!important;
    box-shadow:0 6px 24px rgba(17,50,120,.05)!important;
  }
  .header.is-scrolled .nav-wrap{
    height:74px!important;
  }
  .header.is-scrolled .brand{
    padding:6px 10px 6px 8px!important;
    border-radius:16px!important;
  }
  .header.is-scrolled .brand img{
    height:42px!important;
    transform:none!important;
  }
}

/* ===== V10 complete mobile navigation layer ===== */
.menu-backdrop{display:none;}
@media (max-width:980px){
  html.menu-open,body.menu-open{overflow:hidden!important;}
  .menu-backdrop{
    display:block;
    position:fixed!important;
    inset:74px 0 0;
    z-index:1900!important;
    background:rgba(7,36,106,.24);
    opacity:0;
    visibility:hidden;
    pointer-events:none;
    transition:opacity .2s ease,visibility 0s linear .2s;
  }
  .menu-backdrop.open{
    opacity:1;
    visibility:visible;
    pointer-events:auto;
    transition-delay:0s;
  }
  .nav{
    display:flex!important;
    opacity:0;
    visibility:hidden;
    pointer-events:none;
    transform:translateY(-8px) scale(.99);
    transition:opacity .2s ease,transform .24s cubic-bezier(.22,.61,.36,1),visibility 0s linear .24s;
  }
  .nav.open{
    opacity:1;
    visibility:visible;
    pointer-events:auto;
    transform:translateY(0) scale(1);
    transition-delay:0s;
  }
}

/* ===== V11 fixed-header anchor clearance ===== */
.section,
#contact{
  scroll-margin-top:93px;
}
#top{
  scroll-margin-top:0;
}