/* 云码工坊 · 科技视觉主题 */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=Manrope:wght@400;500;600;700;800&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
  --primary-color: #0ea5e9;
  --primary-dark: #0369a1;
  --primary-light: #38bdf8;
  --accent: #22d3ee;
  --accent-hot: #67e8f9;
  --ink: #070d18;
  --text-dark: #0f172a;
  --text-muted: #64748b;
  --bg-white: #ffffff;
  --bg-soft: #f1f5f9;
  --bg-mist: #e8eef6;
  --line: #c9d5e4;
  --line-strong: #94a3b8;
  --glow: 0 0 24px rgba(34, 211, 238, 0.25);
  --radius-md: 12px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --shadow-card: 0 8px 28px rgba(7, 13, 24, 0.07);
  --shadow-hover: 0 16px 40px rgba(7, 13, 24, 0.14);
  --font-sans: 'Manrope', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-display: 'Space Grotesk', 'Manrope', 'Noto Sans SC', sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;
}

body {
  font-family: var(--font-sans);
  color: var(--text-dark);
  background:
    radial-gradient(ellipse 80% 50% at 100% -10%, rgba(14, 165, 233, 0.06), transparent 50%),
    var(--bg-soft);
  letter-spacing: 0.01em;
}

h1, h2, h3, .display-3, .display-5, .display-6, .hero-title, .section-header h2 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

.container {
  max-width: 1140px;
}

/* ---------- Nav ---------- */
.navbar {
  padding: 0.75rem 0;
  background: transparent;
  transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, color 0.25s ease;
}
.navbar.nav-theme-dark.scrolled {
  background: rgba(7, 13, 24, 0.92) !important;
  backdrop-filter: blur(18px) saturate(1.2);
  border-bottom: 1px solid rgba(34, 211, 238, 0.18);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.28);
}
.navbar.nav-theme-light {
  background: rgba(255, 255, 255, 0.9) !important;
  backdrop-filter: blur(18px) saturate(1.15);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}
.navbar.scrolled {
  /* legacy fallback handled by theme classes */
}
.navbar-brand img {
  height: 48px !important;
  width: auto;
}
.navbar-dark .navbar-nav .nav-link,
.navbar.nav-theme-dark .navbar-nav .nav-link {
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.06em;
  padding: 0.55rem 1rem !important;
  opacity: 0.82;
  position: relative;
  color: rgba(255, 255, 255, 0.92) !important;
}
.navbar-dark .navbar-nav .nav-link::after,
.navbar.nav-theme-dark .navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 0.2rem;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  transform: scaleX(0);
  transition: transform 0.25s ease;
}
.navbar-dark .navbar-nav .nav-link:hover::after,
.navbar-dark .navbar-nav .nav-link.router-link-active::after,
.navbar.nav-theme-dark .navbar-nav .nav-link:hover::after,
.navbar.nav-theme-dark .navbar-nav .nav-link.router-link-active::after {
  transform: scaleX(1);
}
.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link.router-link-active,
.navbar.nav-theme-dark .navbar-nav .nav-link:hover,
.navbar.nav-theme-dark .navbar-nav .nav-link.router-link-active {
  opacity: 1;
  color: #fff !important;
}

.navbar.nav-theme-light .navbar-nav .nav-link {
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.06em;
  padding: 0.55rem 1rem !important;
  opacity: 0.78;
  position: relative;
  color: #0f172a !important;
}
.navbar.nav-theme-light .navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 0.2rem;
  height: 2px;
  background: linear-gradient(90deg, transparent, #0ea5e9, transparent);
  transform: scaleX(0);
  transition: transform 0.25s ease;
}
.navbar.nav-theme-light .navbar-nav .nav-link:hover::after,
.navbar.nav-theme-light .navbar-nav .nav-link.router-link-active::after,
.navbar.nav-theme-light .navbar-nav .nav-link.is-active::after {
  transform: scaleX(1);
}
.navbar.nav-theme-light .navbar-nav .nav-link:hover,
.navbar.nav-theme-light .navbar-nav .nav-link.router-link-active,
.navbar.nav-theme-light .navbar-nav .nav-link.is-active {
  opacity: 1;
  color: #0284c7 !important;
}
.navbar.nav-theme-light .navbar-nav .nav-link:hover::after,
.navbar.nav-theme-light .navbar-nav .nav-link.router-link-active::after,
.navbar.nav-theme-light .navbar-nav .nav-link.is-active::after {
  transform: scaleX(1);
}
.navbar.nav-theme-dark .navbar-nav .nav-link.is-active {
  opacity: 1;
  color: #fff !important;
}
.navbar.nav-theme-dark .navbar-nav .nav-link.is-active::after {
  transform: scaleX(1);
}
.navbar.nav-theme-light .navbar-toggler {
  border-color: rgba(15, 23, 42, 0.2);
}
.navbar.nav-theme-light .navbar-toggler-icon {
  filter: invert(1) grayscale(100%);
}

/* ---------- Buttons ---------- */
.btn {
  border-radius: 8px;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.7rem 1.35rem;
  position: relative;
  overflow: hidden;
}
.btn-lg {
  padding: 0.9rem 1.7rem;
}
.btn-primary {
  background: linear-gradient(120deg, #0284c7 0%, #0ea5e9 45%, #22d3ee 100%);
  border: 1px solid rgba(103, 232, 249, 0.35);
  box-shadow: 0 8px 24px rgba(14, 165, 233, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}
.btn-primary:hover {
  filter: brightness(1.08);
  box-shadow: 0 12px 28px rgba(14, 165, 233, 0.45), var(--glow);
}
.btn-outline-primary {
  border: 1.5px solid rgba(14, 165, 233, 0.55);
  color: var(--primary-dark);
  background: rgba(255, 255, 255, 0.75);
}
.btn-outline-primary:hover {
  background: var(--primary-color);
  border-color: var(--accent);
  color: #fff;
  box-shadow: var(--glow);
}
.hero-section .btn-outline-primary {
  border-color: rgba(34, 211, 238, 0.55);
  color: #e0f2fe;
  background: rgba(7, 13, 24, 0.35);
  backdrop-filter: blur(8px);
}
.hero-section .btn-outline-primary:hover {
  background: rgba(34, 211, 238, 0.18);
  color: #fff;
  border-color: var(--accent-hot);
}

/* ---------- Hero ---------- */
.hero-section {
  min-height: 100vh;
  position: relative;
  overflow: hidden;
  background: #04080f !important;
}
.hero-section.hero-cinema {
  display: flex;
  align-items: center;
}
.hero-section::before,
.hero-section::after {
  display: none;
}

.hero-carousel {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.1s ease;
}
.hero-slide.active {
  opacity: 1;
  z-index: 1;
}
.hero-slide-media {
  position: absolute;
  inset: -4%;
  background-size: cover;
  background-position: center;
  transform: scale(1.04);
  filter: saturate(1.05) contrast(1.05);
}
.hero-slide.active .hero-slide-media {
  animation: hero-kenburns 7s ease-out forwards;
}
@keyframes hero-kenburns {
  from { transform: scale(1.04) translate3d(0, 0, 0); }
  to { transform: scale(1.14) translate3d(-1.2%, -0.8%, 0); }
}
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    linear-gradient(105deg, rgba(4, 8, 15, 0.88) 0%, rgba(4, 8, 15, 0.72) 42%, rgba(4, 8, 15, 0.42) 68%, rgba(4, 8, 15, 0.55) 100%),
    radial-gradient(ellipse at 70% 30%, rgba(14, 165, 233, 0.18), transparent 50%);
  pointer-events: none;
}
.hero-grid {
  position: absolute;
  inset: 0;
  z-index: 3;
  background-image:
    linear-gradient(rgba(34, 211, 238, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 211, 238, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at 40% 45%, black 20%, transparent 70%);
  opacity: 0.55;
  pointer-events: none;
  animation: grid-drift 28s linear infinite;
}
.hero-scan {
  position: absolute;
  inset: 0;
  z-index: 3;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(34, 211, 238, 0.05) 48%,
    transparent 52%,
    transparent 100%
  );
  background-size: 100% 220%;
  animation: scan-sweep 8s ease-in-out infinite;
  pointer-events: none;
  opacity: 0.55;
}
@keyframes grid-drift {
  from { background-position: 0 0, 0 0; }
  to { background-position: 56px 56px, 56px 56px; }
}
@keyframes scan-sweep {
  0%, 100% { background-position: 0 0%; opacity: 0.3; }
  50% { background-position: 0 100%; opacity: 0.65; }
}

.hero-content {
  position: relative;
  z-index: 5;
  padding-top: 5.5rem;
  padding-bottom: 5rem;
}
.hero-copy {
  max-width: 40rem;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.4rem 0.95rem;
  border-radius: 6px;
  border: 1px solid rgba(34, 211, 238, 0.4);
  background: rgba(7, 13, 24, 0.55);
  color: #a5f3fc;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  box-shadow: inset 0 0 16px rgba(34, 211, 238, 0.08);
}
.hero-kicker i {
  color: var(--accent);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

.hero-title {
  color: #f8fafc !important;
  font-weight: 700 !important;
  line-height: 1.12 !important;
  font-size: clamp(2.4rem, 5vw, 3.85rem) !important;
  background: none !important;
  -webkit-text-fill-color: #f8fafc !important;
  text-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}
.hero-title span {
  background: linear-gradient(105deg, #67e8f9 0%, #38bdf8 35%, #e0f2fe 85%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent !important;
}
.hero-subtitle {
  color: #cbd5e1 !important;
  font-size: 1.12rem !important;
  max-width: 34rem;
  line-height: 1.75;
}
.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}
.hero-metric {
  padding: 0.55rem 0.85rem;
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 8px;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(8px);
  min-width: 6.5rem;
}
.hero-metric .val {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: #67e8f9;
  font-weight: 600;
}
.hero-metric .lbl {
  font-size: 0.72rem;
  color: #94a3b8;
  letter-spacing: 0.06em;
  margin-top: 0.15rem;
}

.hero-bottom-nav {
  position: absolute;
  left: 50%;
  bottom: 1.35rem;
  transform: translateX(-50%);
  z-index: 7;
  display: flex;
  align-items: center;
  gap: 0.85rem;
}
.hero-nav-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(34, 211, 238, 0.4);
  background: rgba(7, 13, 24, 0.45);
  color: #e0f2fe;
  display: grid;
  place-items: center;
  backdrop-filter: blur(8px);
  font-size: 1.1rem;
}
.hero-nav-btn:hover {
  border-color: #67e8f9;
  color: #fff;
}
.hero-slide-tag {
  position: absolute;
  right: 1.5rem;
  bottom: 1.7rem;
  z-index: 6;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 0.85rem;
  border-radius: 8px;
  border: 1px solid rgba(34, 211, 238, 0.3);
  background: rgba(7, 13, 24, 0.72);
  color: #e2e8f0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  backdrop-filter: blur(10px);
}
.hero-slide-tag .status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #22d3ee;
  box-shadow: 0 0 8px #22d3ee;
  animation: pulse-dot 1.6s ease-in-out infinite;
}
.hero-section .scroll-down-arrow {
  display: flex !important;
  align-items: center;
  justify-content: center;
  position: static;
  left: auto;
  bottom: auto;
  transform: none;
  z-index: 7;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(34, 211, 238, 0.4);
  background: rgba(7, 13, 24, 0.45);
  color: rgba(103, 232, 249, 0.95) !important;
  font-size: 1.35rem;
  text-decoration: none;
  animation: bounce-down 2s infinite;
  backdrop-filter: blur(8px);
}
.hero-section .scroll-down-arrow:hover {
  color: #fff !important;
  border-color: #67e8f9;
}
@keyframes bounce-down {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-8px); }
  60% { transform: translateY(-4px); }
}
.scroll-down-arrow {
  display: none !important;
}

/* 兜底隐藏 Nuxt DevTools 悬浮徽标 */
#nuxt-devtools-container,
.nuxt-devtools-frame,
.__nuxt-devtools-anchor,
[data-nuxt-devtools] {
  display: none !important;
  visibility: hidden !important;
  pointer-events: none !important;
}

@media (prefers-reduced-motion: reduce) {
  .hero-slide.active .hero-slide-media,
  .hero-grid,
  .hero-scan {
    animation: none !important;
  }
}

/* ---------- Sections ---------- */
.section-padding {
  padding: 6.5rem 0;
  position: relative;
}
.section-screen {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding: 5.5rem 0 2.5rem;
  position: relative;
  box-sizing: border-box;
}
.section-screen > .container {
  width: 100%;
}

/* About 一屏压缩 */
.about-screen {
  height: 100vh;
  height: 100dvh;
  max-height: 100vh;
  max-height: 100dvh;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 4.5rem 0 1.25rem !important;
  overflow: hidden;
}
.about-row {
  --bs-gutter-y: 0.75rem;
}
.about-header {
  margin-bottom: 0.55rem !important;
}
.about-header .section-eyebrow {
  margin-bottom: 0.45rem;
}
.about-title {
  font-size: clamp(1.45rem, 2.2vw, 1.95rem) !important;
  line-height: 1.28 !important;
  margin-bottom: 0 !important;
}
.about-text {
  white-space: pre-line;
  line-height: 1.55;
  font-size: 0.9rem;
  margin-bottom: 0.75rem !important;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.about-industries {
  gap: 0.4rem !important;
  margin-bottom: 0.85rem !important;
}
.about-industries .industry-chip {
  padding: 0.28rem 0.62rem;
  font-size: 0.74rem;
}
.about-cta {
  padding: 0.55rem 1.15rem !important;
}
.about-stat-card {
  padding: 1rem 0.85rem !important;
}
.about-stat-card .display-4 {
  font-size: 1.75rem !important;
  margin-bottom: 0.15rem !important;
}
.about-stat-card p {
  font-size: 0.86rem;
}
.service-desc,
.product-desc,
.news-summary {
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.25s ease;
}
.product-stage-compact {
  padding: 1.15rem 1.25rem !important;
}
.product-stage-compact img {
  height: 300px !important;
}

/* Products 一屏：行业按钮 + Tab + 舞台（原布局） */
.products-screen {
  height: 100vh;
  height: 100dvh;
  max-height: 100vh;
  max-height: 100dvh;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 4.4rem 0 1rem !important;
  overflow: hidden;
}
.products-header {
  margin-bottom: 0.55rem !important;
}
.products-header .section-eyebrow {
  margin-bottom: 0.35rem;
}
.products-title {
  font-size: clamp(1.4rem, 2.1vw, 1.9rem) !important;
  margin-bottom: 0 !important;
  line-height: 1.25 !important;
}
.products-industries {
  gap: 0.35rem !important;
  margin-bottom: 0.55rem !important;
}
.products-industries .industry-chip,
.products-industries .industry-chip-link {
  padding: 0.25rem 0.58rem;
  font-size: 0.72rem;
  text-decoration: none !important;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}
.products-industries .industry-chip-link:hover {
  color: #04101c;
  border-color: transparent;
  background: linear-gradient(120deg, #38bdf8, #22d3ee);
  box-shadow: 0 6px 16px rgba(14, 165, 233, 0.28);
}
.products-tabs {
  margin-bottom: 0.65rem !important;
}
.products-tabs .nav-link {
  padding: 0.4rem 0.9rem !important;
  font-size: 0.78rem !important;
  margin: 0 0.15rem 0.35rem !important;
}
.products-item-title {
  font-size: 1.2rem !important;
  margin-bottom: 0.4rem !important;
}
.products-item-link {
  color: inherit;
  text-decoration: none;
}
.products-item-link:hover {
  color: var(--primary-dark);
}
.product-media-link {
  display: block;
  color: inherit;
  text-decoration: none;
}
.products-stage-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
}
.products-screen .product-desc {
  -webkit-line-clamp: 2;
  font-size: 0.9rem;
  margin-bottom: 0.65rem !important;
  line-height: 1.55;
}
.products-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem 0.75rem;
  margin-bottom: 0.75rem !important;
}
.products-features li {
  margin-bottom: 0 !important;
  font-size: 0.88rem;
}
.product-media {
  position: relative;
  overflow: hidden;
  border-radius: 10px;
  border: 1px solid var(--line);
}
.product-media img {
  width: 100%;
  height: 300px !important;
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease;
}
@media (hover: hover) and (pointer: fine) {
  .product-media:hover img {
    transform: scale(1.12);
  }
  .product-stage-compact:hover .product-desc {
    display: block !important;
    -webkit-line-clamp: unset;
    line-clamp: unset;
    overflow: visible;
  }
}

/* 行业/产品详情相关卡片（仅详情页用） */
.products-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.85rem;
}
.products-card-grid-related {
  max-height: none;
  overflow: visible;
}
.solution-card {
  display: flex;
  flex-direction: column;
  text-decoration: none !important;
  color: inherit;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.solution-card:hover {
  transform: translateY(-4px);
  border-color: rgba(14, 165, 233, 0.4);
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.1);
}
.solution-card-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: #0f172a;
}
.solution-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
@media (hover: hover) and (pointer: fine) {
  .solution-card:hover .solution-card-media img {
    transform: scale(1.08);
  }
}
.solution-card-body {
  padding: 0.85rem 0.95rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1;
}
.solution-card-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0;
  color: #0f172a;
  line-height: 1.3;
}
.solution-card-desc {
  margin: 0;
  color: #64748b;
  font-size: 0.86rem;
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.solution-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-top: auto;
  padding-top: 0.35rem;
}
.solution-card-tags span {
  font-size: 0.68rem;
  font-weight: 600;
  color: #0369a1;
  background: rgba(14, 165, 233, 0.1);
  border-radius: 999px;
  padding: 0.15rem 0.5rem;
}

/* 产品详情 · 商城式 */
.product-detail-page {
  padding-top: 5.5rem;
  padding-bottom: 3.5rem;
}
.product-detail-page.product-detail-screen,
.product-detail-page.page-shell-screen {
  padding-top: 4.5rem;
  padding-bottom: 0.85rem;
  height: 100vh;
  height: 100dvh;
  max-height: 100vh;
  max-height: 100dvh;
  overflow: hidden;
  box-sizing: border-box;
  display: flex;
  align-items: stretch;
}
.product-detail-screen .product-detail-inner {
  width: 100%;
  height: 100%;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.product-detail-screen .product-back {
  flex: 0 0 auto;
  margin-bottom: 0;
}
.product-detail-scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding-bottom: 0.5rem;
  scrollbar-width: thin;
}
.privacy-screen.page-shell-screen {
  padding-top: 4.5rem;
  padding-bottom: 0.85rem;
}
.privacy-inner {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  height: 100%;
  min-height: 0;
  display: flex;
  flex-direction: column;
}
.privacy-panel {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  padding: 1.5rem 1.75rem !important;
  overflow: hidden;
}
.privacy-scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  line-height: 1.9;
  color: #334155;
  scrollbar-width: thin;
}
.product-detail-inner {
  max-width: 1100px;
}
.product-back {
  display: inline-block;
  margin-bottom: 1.25rem;
  text-decoration: none;
  color: #64748b;
  font-size: 0.9rem;
  font-weight: 600;
}
.product-back:hover {
  color: var(--primary-color);
}
.product-mall {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2rem;
  align-items: start;
  margin-bottom: 2.5rem;
}
.product-mall-gallery {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.product-mall-main {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #0b1220;
  aspect-ratio: 16 / 11;
}
.product-mall-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.gallery-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.55);
  color: #fff;
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  display: grid;
  place-items: center;
  backdrop-filter: blur(4px);
}
.gallery-prev { left: 0.65rem; }
.gallery-next { right: 0.65rem; }
.gallery-count {
  position: absolute;
  right: 0.75rem;
  bottom: 0.75rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.6);
  color: #e2e8f0;
  font-size: 0.75rem;
  font-family: var(--font-mono);
}
.product-mall-info {
  position: sticky;
  top: 5.5rem;
}
.product-mall-panel {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: linear-gradient(180deg, #f8fafc, #fff);
  padding: 0.75rem 0.95rem;
  margin-bottom: 1.1rem;
}
.product-mall-panel-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.45rem 0;
  font-size: 0.88rem;
  border-bottom: 1px dashed #e2e8f0;
}
.product-mall-panel-row:last-child {
  border-bottom: 0;
}
.product-mall-panel-row span {
  color: #94a3b8;
}
.product-mall-panel-row strong {
  color: #0f172a;
  font-weight: 600;
  text-align: right;
}
.product-mall-demo {
  margin-top: 0.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--line);
}
.product-mall-demo-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.85rem;
}
.product-mall-demo-head h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
}
.product-mall-demo-frame {
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: #0b1220;
  min-height: 480px;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}
.product-mall-demo-frame iframe {
  width: 100%;
  height: 560px;
  border: 0;
  display: block;
  background: #fff;
}
.product-mall-demo-note {
  margin: 0.65rem 0 0;
  color: #94a3b8;
  font-size: 0.82rem;
}

/* 行业详情：一屏紧凑布局（无页脚） */
.industry-page-screen.page-shell-screen {
  height: 100vh;
  height: 100dvh;
  max-height: 100vh;
  max-height: 100dvh;
  min-height: 100vh;
  min-height: 100dvh;
  padding-top: 4.6rem;
  padding-bottom: 0.75rem;
  display: flex;
  align-items: stretch;
  justify-content: center;
  overflow: hidden;
  background:
    linear-gradient(180deg, #ffffff 0%, #f8fafc 100%) !important;
}
.industry-page-inner.product-detail-inner,
.industry-page-inner {
  max-width: 1080px;
  width: 100%;
  height: 100%;
  max-height: none;
  min-height: 0;
  margin-left: auto;
  margin-right: auto;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  justify-content: flex-start;
  padding-top: 0.55rem;
  padding-bottom: 0.25rem;
  overflow: hidden;
}
.industry-hero-compact {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 0.65rem 1.15rem;
  align-items: center;
  margin: 0 !important;
  width: 100%;
  flex: 0 0 auto;
}
.industry-hero-compact .section-eyebrow {
  margin-bottom: 0.15rem;
  font-size: 0.68rem;
}
.industry-hero-compact .product-mall-title {
  font-size: clamp(1.1rem, 1.7vw, 1.35rem);
  margin: 0.08rem 0 0.2rem;
  line-height: 1.25;
}
.industry-hero-compact .product-mall-summary {
  font-size: 0.84rem;
  margin-bottom: 0.25rem;
  line-height: 1.35;
}
.industry-hero-compact .industry-hero-desc {
  margin: 0 0 0.3rem;
  font-size: 0.78rem;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.industry-hero-compact .product-mall-features {
  margin-bottom: 0.4rem !important;
  gap: 0.12rem 0.55rem;
}
.industry-hero-compact .product-mall-features li {
  font-size: 0.76rem;
}
.industry-hero-compact .industry-hero-media {
  aspect-ratio: 4 / 3;
  max-height: 240px;
  min-height: 200px;
  border-radius: 12px;
  width: 100%;
  overflow: hidden;
  position: relative;
}
.industry-hero-carousel {
  position: relative;
  width: 100%;
  height: 100%;
  background: #0b1220;
}
.industry-hero-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.55s ease;
  pointer-events: none;
}
.industry-hero-slide.is-active {
  opacity: 1;
  pointer-events: auto;
}
.industry-hero-dots {
  position: absolute;
  left: 50%;
  bottom: 0.55rem;
  transform: translateX(-50%);
  display: flex;
  gap: 0.35rem;
  z-index: 2;
}
.industry-hero-dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  border: 0;
  padding: 0;
  background: rgba(255, 255, 255, 0.45);
  cursor: pointer;
}
.industry-hero-dot.is-active {
  width: 16px;
  background: #22d3ee;
}
.industry-systems-compact {
  flex: 1 1 auto;
  min-height: 0;
  max-height: none;
  display: flex;
  flex-direction: column;
  padding-top: 0.45rem;
  border-top: 1px solid var(--line);
  width: 100%;
  overflow: hidden;
}
.industry-systems-compact .industry-systems-head {
  margin-bottom: 0.4rem;
  flex: 0 0 auto;
  text-align: left;
}
.industry-systems-compact .industry-systems-head h2 {
  font-size: 0.95rem;
  margin: 0;
}
.industry-systems-compact .industry-systems-grid {
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
  align-content: start;
  justify-content: start;
  grid-template-columns: repeat(auto-fill, minmax(180px, 200px));
  gap: 0.6rem;
  padding-bottom: 0.15rem;
  scrollbar-width: thin;
}
.industry-systems-compact .industry-systems-grid.is-few {
  grid-template-columns: repeat(auto-fill, minmax(180px, 200px));
}
.industry-systems-compact .industry-systems-grid.is-single {
  grid-template-columns: 200px;
}
.sys-card-compact {
  display: flex !important;
  flex-direction: column;
  width: 100%;
  max-width: 200px;
  min-height: 0;
  height: auto;
}
.sys-card-compact .sys-card-media {
  aspect-ratio: 16 / 11;
  max-height: 128px;
  height: 128px;
  min-height: 128px;
  flex: 0 0 auto;
}
.sys-card-compact .sys-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.sys-card-compact .sys-card-body {
  padding: 0.65rem 0.65rem 0.75rem;
  gap: 0.28rem;
  flex: 1 1 auto;
  justify-content: flex-start;
  min-height: 0;
}
.sys-card-compact .sys-card-body h3 {
  font-size: 0.88rem;
  line-height: 1.25;
}
.sys-card-compact .sys-card-summary {
  font-size: 0.74rem;
  -webkit-line-clamp: 2;
  line-height: 1.35;
}
.sys-card-compact .sys-card-tags {
  gap: 0.2rem;
}
.sys-card-compact .sys-card-tags li {
  font-size: 0.6rem;
  padding: 0.08rem 0.34rem;
}
.sys-card-compact .sys-card-footer {
  margin-top: auto;
  padding-top: 0.4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  gap: 0.18rem;
  width: 100%;
}
.sys-card-compact .sys-card-url {
  font-size: 0.58rem;
  text-align: center;
  margin: 0;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sys-card-compact .sys-trial-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 4.6rem;
  padding: 0.16rem 0.55rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background: linear-gradient(120deg, #38bdf8, #22d3ee);
  color: #04101c !important;
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1.15;
  text-decoration: none !important;
  box-shadow: 0 3px 8px rgba(14, 165, 233, 0.2);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.sys-card-compact .sys-trial-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 5px 12px rgba(14, 165, 233, 0.26);
  color: #04101c !important;
}

/* 行业详情：多系统卡片商城排版 */
.industry-hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: center;
  margin-bottom: 2.25rem;
}
.industry-hero-desc {
  color: #475569;
  line-height: 1.75;
  margin: 0 0 1rem;
}
.industry-hero-media {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  aspect-ratio: 16 / 11;
  background: #0b1220;
}
.industry-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.industry-systems {
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}
.industry-systems-head {
  margin-bottom: 1.15rem;
}
.industry-systems-head h2 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0 0 0.35rem;
}
.industry-systems-head p {
  margin: 0;
  color: #64748b;
  font-size: 0.92rem;
}
.industry-systems-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}
.sys-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.sys-card:hover {
  transform: translateY(-3px);
  border-color: rgba(14, 165, 233, 0.4);
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.08);
}
.sys-card-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #0f172a;
}
.sys-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.sys-card-body {
  padding: 0.95rem 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  flex: 1;
}
.sys-card-body h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 700;
  color: #0f172a;
}
.sys-card-summary {
  margin: 0;
  color: #64748b;
  font-size: 0.88rem;
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.sys-card-tags {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}
.sys-card-tags li {
  font-size: 0.7rem;
  font-weight: 600;
  color: #0369a1;
  background: rgba(14, 165, 233, 0.1);
  border-radius: 999px;
  padding: 0.15rem 0.5rem;
}
.sys-card-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.35rem;
}
.sys-card-thumbs img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--line);
}
.sys-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: auto;
  padding-top: 0.35rem;
}
.sys-card-pending {
  font-size: 0.8rem;
  color: #94a3b8;
  align-self: center;
}
.sys-card-url {
  margin: 0;
  font-size: 0.75rem;
  color: #94a3b8;
  font-family: var(--font-mono);
  word-break: break-all;
}
@media (max-width: 991.98px) {
  .industry-hero,
  .industry-hero-compact {
    grid-template-columns: 1fr;
  }
  .industry-page-screen.page-shell-screen {
    height: auto;
    max-height: none;
    min-height: 100dvh;
    overflow: auto;
    align-items: flex-start;
    padding-top: 5rem;
  }
  .industry-page-inner.product-detail-inner,
  .industry-page-inner {
    max-height: none;
    justify-content: flex-start;
    padding-top: 0.5rem;
  }
  .industry-systems-compact {
    max-height: none;
  }
  .industry-systems-compact .industry-systems-grid {
    overflow: visible;
    justify-content: start;
  }
  .sys-card-compact {
    max-width: 100%;
  }
  .sys-card-compact .sys-card-media {
    aspect-ratio: 16 / 9;
    min-height: 0;
  }
}
.product-mall-thumbs {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(72px, 1fr));
  gap: 0.5rem;
}
.product-mall-thumb {
  appearance: none;
  border: 2px solid transparent;
  border-radius: 10px;
  padding: 0;
  overflow: hidden;
  background: #fff;
  cursor: pointer;
  aspect-ratio: 1;
}
.product-mall-thumb.is-active {
  border-color: #22d3ee;
  box-shadow: 0 0 0 1px rgba(34, 211, 238, 0.35);
}
.product-mall-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.product-mall-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.4vw, 2.15rem);
  font-weight: 700;
  margin: 0.35rem 0 0.65rem;
  line-height: 1.25;
  color: #0f172a;
}
.product-mall-summary {
  color: #64748b;
  font-size: 1.02rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}
.product-mall-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.15rem;
}
.industry-chip.is-static {
  cursor: default;
}
.product-mall-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.45rem 0.85rem;
  margin-bottom: 1.35rem !important;
}
.product-mall-features li {
  margin-bottom: 0 !important;
  font-size: 0.92rem;
}
.product-mall-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}
.product-mall-desc,
.product-mall-related {
  margin-top: 0.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--line);
}
.product-mall-desc h2,
.product-mall-related h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.85rem;
}
.product-mall-desc p {
  color: #475569;
  line-height: 1.85;
  font-size: 1.02rem;
  white-space: pre-wrap;
  margin: 0;
}
.product-mall-related {
  margin-top: 2rem;
}
@media (max-width: 991.98px) {
  .product-mall {
    grid-template-columns: 1fr;
    gap: 1.35rem;
  }
  .product-mall-info {
    position: static;
  }
  .product-mall-features {
    grid-template-columns: 1fr;
  }
  .product-mall-demo-frame iframe {
    height: 420px;
  }
}

.section-tone-soft {
  background: var(--bg-soft) !important;
}
.section-tone-white {
  background:
    linear-gradient(180deg, #ffffff 0%, #f8fafc 100%) !important;
}
.section-tone-mist {
  background:
    radial-gradient(ellipse 80% 40% at 50% 0%, rgba(14, 165, 233, 0.06), transparent 55%),
    linear-gradient(180deg, #f1f5f9 0%, #e8eef6 100%) !important;
}
.section-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--primary-dark);
  margin-bottom: 0.85rem;
}
.section-header h2,
.section-header .display-5 {
  font-size: clamp(1.85rem, 3vw, 2.55rem) !important;
  color: var(--ink);
  margin-bottom: 0.75rem;
}
.section-lead {
  color: var(--text-muted);
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
  font-size: 1.05rem;
}

/* ---------- Cards ---------- */
.stat-card,
.service-card,
.contact-panel,
.product-stage {
  border: 1px solid var(--line) !important;
  border-radius: var(--radius-lg) !important;
  background: #fff !important;
  box-shadow: var(--shadow-card) !important;
  position: relative;
}
.stat-card {
  padding: 1.75rem 1.25rem !important;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.7;
}
.stat-card:hover {
  transform: translateY(-4px);
  border-color: rgba(14, 165, 233, 0.45) !important;
  box-shadow: var(--shadow-hover), 0 0 0 1px rgba(34, 211, 238, 0.12) !important;
}
.stat-card .display-4 {
  font-family: var(--font-mono);
  font-size: 2.35rem !important;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, #0284c7, #22d3ee);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.service-card {
  padding: 1.5rem 1.25rem !important;
  height: 100%;
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
  overflow: hidden;
  z-index: 1;
}
.service-card::after {
  content: '';
  position: absolute;
  right: 12px;
  top: 12px;
  width: 12px;
  height: 12px;
  border-top: 2px solid rgba(14, 165, 233, 0.35);
  border-right: 2px solid rgba(14, 165, 233, 0.35);
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(14, 165, 233, 0.5) !important;
  box-shadow: var(--shadow-hover), 0 0 24px rgba(14, 165, 233, 0.1) !important;
}

/* 悬停放大并展开全文 */
@media (hover: hover) and (pointer: fine) {
  .services-row > [class*='col-'] {
    position: relative;
    z-index: 1;
  }
  .services-row > [class*='col-']:hover {
    z-index: 20;
  }
  .service-card-expand:hover {
    transform: translateY(-12px) scale(1.06);
    border-color: rgba(14, 165, 233, 0.6) !important;
    box-shadow: 0 24px 50px rgba(7, 13, 24, 0.18), 0 0 30px rgba(14, 165, 233, 0.16) !important;
    overflow: visible;
    height: auto;
    min-height: 100%;
    background: #fff !important;
    z-index: 21;
  }
  .service-card-expand:hover .service-desc {
    display: block !important;
    -webkit-box-orient: initial;
    -webkit-line-clamp: unset;
    line-clamp: unset;
    max-height: none;
    overflow: visible;
    white-space: normal;
    color: #334155;
  }
}
#services.section-screen {
  overflow: visible;
}
#services .container,
#services .services-row {
  overflow: visible;
}
.service-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1rem;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background:
    linear-gradient(145deg, rgba(14, 165, 233, 0.12), rgba(34, 211, 238, 0.08));
  border: 1px solid rgba(14, 165, 233, 0.2);
  box-shadow: inset 0 0 16px rgba(34, 211, 238, 0.08);
}
.service-icon i {
  font-size: 1.45rem !important;
  color: #0284c7 !important;
}

.news-card {
  border: 1px solid var(--line) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow-card) !important;
  overflow: hidden;
  background: #fff;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.news-card:hover {
  transform: translateY(-6px);
  border-color: rgba(14, 165, 233, 0.45) !important;
  box-shadow: var(--shadow-hover) !important;
}
.news-card .card-title,
.news-card .h5 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.35;
}
.news-card .card-body {
  padding: 1.4rem 1.35rem 1.5rem;
}

/* ---------- Products ---------- */
.product-tabs .nav-link {
  border: 1px solid var(--line) !important;
  border-radius: 8px !important;
  color: var(--text-muted) !important;
  font-weight: 600;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  padding: 0.55rem 1.15rem !important;
  margin: 0 0.25rem 0.5rem;
  background: rgba(255, 255, 255, 0.8) !important;
}
.industry-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.55rem;
}
.industry-grid-compact {
  justify-content: flex-start;
}
.industry-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.85rem;
  border-radius: 6px;
  border: 1px solid rgba(14, 165, 233, 0.28);
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.06), rgba(255, 255, 255, 0.9));
  color: #0f172a;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.product-tabs .nav-link.active {
  color: #04101c !important;
  background: linear-gradient(120deg, #38bdf8, #22d3ee) !important;
  border-color: transparent !important;
  box-shadow: 0 8px 20px rgba(14, 165, 233, 0.3);
}
.product-stage {
  padding: 1.5rem;
  background:
    linear-gradient(135deg, rgba(14, 165, 233, 0.03), transparent 40%),
    #fff !important;
}
.product-stage img {
  border-radius: 10px;
  height: 360px;
  object-fit: cover;
  width: 100%;
  border: 1px solid var(--line);
}
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  margin-bottom: 0.75rem;
  color: #334155;
}
.feature-list i {
  color: var(--primary-color);
  margin-top: 0.15rem;
}

/* ---------- Why us（与 AI / 服务浅色区块统一） ---------- */
.why-section {
  position: relative;
}
.why-card {
  height: 100%;
  padding: 1.5rem 1.25rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}
.why-card::after {
  content: '';
  position: absolute;
  right: 12px;
  top: 12px;
  width: 12px;
  height: 12px;
  border-top: 2px solid rgba(14, 165, 233, 0.35);
  border-right: 2px solid rgba(14, 165, 233, 0.35);
}
.why-card::before {
  content: attr(data-idx);
  position: absolute;
  top: 0.9rem;
  right: 1.65rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: #94a3b8;
}
.why-card:hover {
  transform: translateY(-6px);
  border-color: rgba(14, 165, 233, 0.5);
  box-shadow: var(--shadow-hover), 0 0 24px rgba(14, 165, 233, 0.1);
}
.why-card-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  margin-bottom: 1rem;
  border: 1px solid rgba(14, 165, 233, 0.2);
  background: linear-gradient(145deg, rgba(14, 165, 233, 0.12), rgba(34, 211, 238, 0.08));
  color: #0284c7;
  font-size: 1.25rem;
}
.why-card h4 {
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 700;
  margin-bottom: 0.55rem;
  color: var(--text-dark);
}
.why-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* ---------- AI Engine（与服务/产品浅色区块统一） ---------- */
.ai-section {
  position: relative;
}
.ai-card {
  height: 100%;
  padding: 1.5rem 1.25rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}
.ai-card::after {
  content: '';
  position: absolute;
  right: 12px;
  top: 12px;
  width: 12px;
  height: 12px;
  border-top: 2px solid rgba(14, 165, 233, 0.35);
  border-right: 2px solid rgba(14, 165, 233, 0.35);
}
.ai-card::before {
  content: attr(data-idx);
  position: absolute;
  top: 0.9rem;
  right: 1.65rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: rgba(14, 165, 233, 0.45);
}
.ai-card:hover {
  transform: translateY(-6px);
  border-color: rgba(14, 165, 233, 0.5);
  box-shadow: var(--shadow-hover), 0 0 24px rgba(14, 165, 233, 0.1);
}
.ai-card-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  margin-bottom: 1rem;
  border: 1px solid rgba(14, 165, 233, 0.22);
  background:
    radial-gradient(circle at 30% 30%, rgba(34, 211, 238, 0.18), transparent 60%),
    rgba(14, 165, 233, 0.08);
  color: var(--primary-dark);
  font-size: 1.25rem;
}
.ai-card h4 {
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.55rem;
}
.ai-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.7;
}
.ai-footer {
  margin-top: 1.75rem;
}
.ai-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}
.ai-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.85rem;
  border-radius: 6px;
  border: 1px solid rgba(14, 165, 233, 0.28);
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.06), rgba(255, 255, 255, 0.9));
  color: #0f172a;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

/* ---------- Contact ---------- */
.contact-panel {
  padding: 1.75rem !important;
}
.contact-panel .form-control,
.contact-panel .form-control:focus {
  border-radius: 8px;
  border-color: var(--line);
  padding: 0.75rem 0.9rem;
  box-shadow: none;
  background: #f8fafc;
}
.contact-panel .form-control:focus {
  border-color: var(--accent);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
}
.contact-meta {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
}
.contact-meta li {
  display: flex;
  gap: 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
  color: #334155;
}
.contact-meta li:last-child {
  border-bottom: none;
}
.contact-meta i {
  color: var(--primary-color);
  margin-top: 0.15rem;
}

/* ---------- Footer（浅色收尾，衔接预约咨询白底） ---------- */
.footer-section {
  background:
    radial-gradient(ellipse 70% 50% at 50% 0%, rgba(14, 165, 233, 0.07), transparent 55%),
    linear-gradient(180deg, #f8fafc 0%, #eef3f9 100%) !important;
  border-top: 1px solid var(--line);
  color: var(--text-dark);
  padding: 1.5rem 0 1.1rem !important;
}
.footer-main {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem 2.5rem;
}
.footer-brand {
  flex: 1 1 auto;
  min-width: 0;
  max-width: 34rem;
}
.footer-brand-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 0.35rem;
  color: var(--text-dark);
}
.footer-slogan {
  color: var(--text-muted);
  font-size: 0.86rem;
  line-height: 1.55;
}
.footer-aside {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.75rem;
}
.footer-contact {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.45rem 1.1rem;
}
.footer-meta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: #475569 !important;
  text-decoration: none;
  font-size: 0.86rem;
  white-space: nowrap;
}
.footer-meta i {
  color: var(--primary-color);
  font-size: 0.88rem;
}
.footer-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}
.footer-link {
  color: #475569 !important;
  text-decoration: none;
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.footer-section a:hover {
  color: var(--primary-dark) !important;
}
.footer-bottom {
  margin-top: 1.05rem;
  padding-top: 0.85rem;
  border-top: 1px solid rgba(148, 163, 184, 0.35);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem 0.75rem;
  color: #94a3b8;
  font-size: 0.78rem;
  text-align: center;
}
.footer-icp {
  opacity: 0.95;
}

@media (max-width: 991.98px) {
  .footer-main {
    flex-direction: column;
    gap: 1rem;
  }
  .footer-aside {
    align-items: flex-start;
    width: 100%;
  }
  .footer-contact {
    justify-content: flex-start;
  }
}

/* ---------- Page shell ---------- */
.page-shell {
  padding-top: 8rem;
  padding-bottom: 5rem;
  min-height: 70vh;
  background:
    radial-gradient(ellipse 60% 40% at 80% 0%, rgba(14, 165, 233, 0.08), transparent 50%),
    var(--bg-soft);
}
.page-shell-screen {
  /* 预留页脚高度，保证整页（含页脚）尽量一屏 */
  height: calc(100vh - 6.8rem);
  height: calc(100dvh - 6.8rem);
  max-height: calc(100vh - 6.8rem);
  max-height: calc(100dvh - 6.8rem);
  min-height: calc(100vh - 6.8rem);
  min-height: calc(100dvh - 6.8rem);
  box-sizing: border-box;
  padding-top: 4.4rem;
  padding-bottom: 0.75rem;
  display: flex;
  align-items: stretch;
  overflow: hidden;
}
.page-shell-inner {
  width: 100%;
  min-height: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 0.75rem;
  padding-top: 0.35rem;
}
.page-news-header {
  margin-bottom: 0 !important;
  flex: 0 0 auto;
}
.page-news-header .section-eyebrow {
  margin-bottom: 0.35rem;
}
.page-news-title {
  font-size: clamp(1.45rem, 2.2vw, 1.9rem) !important;
  margin-bottom: 0.15rem !important;
}
.page-news-lead {
  margin: 0 auto !important;
  font-size: 0.92rem !important;
}
.page-news-grid {
  flex: 1 1 auto;
  min-height: 0;
  max-height: none;
  overflow: auto;
  align-content: flex-start;
  padding-right: 0.15rem;
}
.news-card-compact .card-body {
  padding: 0.85rem 0.95rem 0.95rem !important;
}
.news-card-compact .card-title {
  font-size: 0.98rem !important;
  margin-bottom: 0.35rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card-compact .news-summary {
  -webkit-line-clamp: 2;
  margin-bottom: 0.65rem;
  font-size: 0.86rem;
  line-height: 1.5;
}

/* 资讯列表 · 首屏资讯区，可继续下滑到预约咨询 */
.news-page-screen {
  min-height: 100vh;
  min-height: 100dvh;
  height: 100vh;
  height: 100dvh;
  max-height: 100vh;
  max-height: 100dvh;
  box-sizing: border-box;
  padding-top: 4.5rem;
  padding-bottom: 1.25rem;
  display: flex;
  align-items: stretch;
  overflow: hidden;
  background:
    radial-gradient(ellipse 70% 45% at 50% 0%, rgba(14, 165, 233, 0.08), transparent 55%),
    linear-gradient(180deg, #f1f5f9 0%, #e8eef6 100%) !important;
}
.news-page-inner {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  min-height: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding-top: 0.35rem;
}
.news-page-header {
  flex: 0 0 auto;
}
.news-page-header .section-eyebrow {
  margin-bottom: 0.3rem;
}
.news-page-title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.2vw, 1.85rem);
  font-weight: 700;
  margin: 0 0 0.25rem;
  color: #0f172a;
}
.news-page-lead {
  margin: 0;
  color: #64748b;
  font-size: 0.9rem;
}
.news-page-grid {
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.85rem;
  align-content: start;
  padding-bottom: 0.25rem;
  scrollbar-width: thin;
}
.news-tile {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  min-height: 0;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.news-tile:hover {
  transform: translateY(-3px);
  border-color: rgba(14, 165, 233, 0.35);
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.08);
}
.news-tile-media {
  aspect-ratio: 16 / 9;
  max-height: 120px;
  overflow: hidden;
  background: #0f172a;
}
.news-tile-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.news-tile-body {
  padding: 0.85rem 0.95rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1;
}
.news-tile-date {
  font-size: 0.72rem;
  color: #94a3b8;
  font-family: var(--font-mono);
}
.news-tile-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  margin: 0;
  color: #0f172a;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-tile-summary {
  margin: 0;
  color: #64748b;
  font-size: 0.84rem;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.news-tile-link {
  margin-top: 0.35rem;
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: #0284c7 !important;
  text-decoration: none !important;
}
.news-tile-link:hover {
  color: #0369a1 !important;
}

/* 资讯详情 · 一屏卡片，正文区可滚轮浏览 */
.news-detail-screen {
  height: 100vh;
  height: 100dvh;
  max-height: 100vh;
  max-height: 100dvh;
  box-sizing: border-box;
  padding-top: 4.5rem;
  padding-bottom: 0.85rem;
  display: flex;
  align-items: stretch;
  overflow: hidden;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%) !important;
}
.news-detail-inner {
  width: 100%;
  max-width: 820px;
  margin: 0 auto;
  height: 100%;
  min-height: 0;
  display: flex;
  flex-direction: column;
}
.news-detail-panel {
  flex: 1 1 auto;
  min-height: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.05);
}
.news-detail-head {
  flex: 0 0 auto;
  padding: 1.15rem 1.35rem 0.85rem;
  border-bottom: 1px solid #eef2f7;
}
.news-detail-date {
  display: block;
  font-size: 0.75rem;
  color: #94a3b8;
  font-family: var(--font-mono);
  margin-bottom: 0.35rem;
}
.news-detail-title {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  font-weight: 700;
  margin: 0 0 0.4rem;
  line-height: 1.3;
  color: #0f172a;
}
.news-detail-summary {
  margin: 0;
  color: #64748b;
  font-size: 0.92rem;
  line-height: 1.55;
}
.news-detail-scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  padding: 1rem 1.35rem 1.4rem;
  scrollbar-width: thin;
  scrollbar-color: rgba(148, 163, 184, 0.7) transparent;
}
.news-detail-scroll::-webkit-scrollbar {
  width: 6px;
}
.news-detail-scroll::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.55);
  border-radius: 999px;
}
.news-detail-cover {
  width: 100%;
  max-height: 280px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 1rem;
  display: block;
  border: 1px solid var(--line);
}
.news-detail-content {
  white-space: pre-wrap;
  line-height: 1.85;
  font-size: 1.02rem;
  color: #334155;
}

@media (max-width: 991.98px) {
  .page-shell-screen {
    height: auto;
    max-height: none;
    min-height: auto;
    display: block;
    padding-top: 5.5rem;
    padding-bottom: 2.5rem;
    overflow: visible;
  }
  .page-shell-inner {
    display: block;
  }
  .page-news-grid {
    max-height: none;
    overflow: visible;
  }
  .news-page-screen,
  .news-detail-screen,
  .product-detail-screen.page-shell-screen,
  .privacy-screen.page-shell-screen {
    min-height: auto;
    height: auto;
    max-height: none;
    overflow: visible;
  }
  .news-page-inner,
  .news-detail-inner,
  .product-detail-screen .product-detail-inner,
  .privacy-inner {
    min-height: 0;
    height: auto;
  }
  .news-detail-panel {
    max-height: none;
    height: auto;
    overflow: visible;
  }
  .news-detail-scroll,
  .product-detail-scroll,
  .privacy-scroll,
  .news-page-grid {
    overflow: visible;
    max-height: none;
  }
  .about-screen {
    height: auto;
    max-height: none;
    overflow: visible;
    padding: 5rem 0 2.5rem !important;
  }
}

@media (max-width: 991.98px) {
  .hero-content {
    padding-top: 6.5rem;
    padding-bottom: 6rem;
  }
  .hero-slide-tag {
    display: none;
  }
  .hero-bottom-nav {
    bottom: 1rem;
  }
  .section-padding {
    padding: 4.5rem 0;
  }
  .section-screen {
    min-height: auto;
    padding: 5rem 0 2.5rem;
    display: block;
  }
  .products-screen,
  .about-screen {
    height: auto;
    max-height: none;
    overflow: visible;
    padding: 5rem 0 2.5rem !important;
  }
  .products-features {
    grid-template-columns: 1fr;
  }
  .products-card-grid {
    grid-template-columns: 1fr;
  }
  .product-stage-compact img,
  .product-media img {
    height: 240px !important;
  }
  .navbar-brand img {
    height: 40px !important;
  }
  .hero-metrics {
    gap: 0.5rem;
  }

  /* H5 导航：浅色主题下避免被旧 style.css 强制深色底 */
  .navbar.nav-theme-light {
    background: rgba(255, 255, 255, 0.96) !important;
    border-bottom: 1px solid rgba(148, 163, 184, 0.35);
  }
  .navbar.nav-theme-light .navbar-collapse {
    background: #ffffff;
    box-shadow: 0 10px 28px rgba(15, 23, 42, 0.12);
  }
  .navbar.nav-theme-dark .navbar-collapse {
    background: rgba(7, 13, 24, 0.98);
    border: 1px solid rgba(34, 211, 238, 0.16);
  }
  .navbar.is-open {
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.16);
  }

  /* H5 菜单排版：多列网格，压缩高度 */
  .navbar-collapse {
    margin-top: 0.45rem;
    border-radius: 14px;
    padding: 0.5rem;
    overflow: hidden;
  }
  .navbar-nav {
    width: 100%;
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.4rem !important;
    padding: 0 !important;
    align-items: stretch !important;
    margin: 0 !important;
  }
  .navbar-nav .nav-item {
    width: auto;
    min-width: 0;
  }
  .navbar-nav .nav-link {
    display: flex !important;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.12rem;
    width: 100%;
    min-height: 3.1rem;
    margin: 0 !important;
    padding: 0.5rem 0.3rem !important;
    border-radius: 10px !important;
    opacity: 1 !important;
    text-align: center;
    letter-spacing: 0.01em !important;
    font-size: 0.9rem !important;
    font-weight: 700 !important;
    line-height: 1.15 !important;
    border: 1px solid transparent;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  }
  .navbar-nav .nav-link::after {
    display: none !important;
  }
  .nav-link-copy {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.1rem;
    min-width: 0;
    width: 100%;
  }
  .nav-link-label {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
  }
  .nav-link-en {
    font-family: var(--font-mono);
    font-size: 0.56rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    opacity: 0.55;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
  }
  .nav-link-arrow {
    display: none !important;
  }

  .navbar.nav-theme-dark .navbar-nav .nav-link {
    color: rgba(248, 250, 252, 0.9) !important;
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(148, 163, 184, 0.14);
  }
  .navbar.nav-theme-dark .navbar-nav .nav-link .nav-link-en {
    color: #67e8f9;
    opacity: 0.72;
  }
  .navbar.nav-theme-dark .navbar-nav .nav-link:hover,
  .navbar.nav-theme-dark .navbar-nav .nav-link.is-active {
    color: #fff !important;
    background: linear-gradient(160deg, rgba(14, 165, 233, 0.28), rgba(34, 211, 238, 0.12)) !important;
    border-color: rgba(34, 211, 238, 0.35);
  }

  .navbar.nav-theme-light .navbar-nav .nav-link {
    color: #0f172a !important;
    background: #f8fafc;
    border-color: #e2e8f0;
  }
  .navbar.nav-theme-light .navbar-nav .nav-link .nav-link-en {
    color: #0284c7;
    opacity: 0.7;
  }
  .navbar.nav-theme-light .navbar-nav .nav-link:hover,
  .navbar.nav-theme-light .navbar-nav .nav-link.is-active {
    color: #0f172a !important;
    background: linear-gradient(160deg, rgba(14, 165, 233, 0.14), rgba(34, 211, 238, 0.08)) !important;
    border-color: rgba(14, 165, 233, 0.3);
  }

  .contact-panel {
    padding: 1.2rem !important;
  }
  .contact-panel .row > [class*='col-'] {
    margin-bottom: 0.75rem;
  }
  .hero-metrics {
    flex-wrap: wrap;
  }
  .hero-metrics > * {
    flex: 1 1 42%;
    min-width: 0;
  }
  .products-tabs {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: 0.25rem;
    padding-bottom: 0.25rem;
  }
  .products-tabs .nav-link {
    white-space: nowrap;
    flex: 0 0 auto;
  }
}

@media (max-width: 420px) {
  .navbar-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }
  .navbar-nav .nav-link {
    min-height: 2.85rem;
    padding: 0.45rem 0.35rem !important;
  }
}

@media (min-width: 992px) {
  .nav-link-en,
  .nav-link-arrow {
    display: none;
  }
  .nav-link-copy {
    display: contents;
  }
  .nav-link-label {
    font: inherit;
    letter-spacing: inherit;
  }
}

@media (max-width: 576px) {
  .section-title {
    font-size: clamp(1.35rem, 7vw, 1.75rem) !important;
  }
  .btn-lg {
    width: 100%;
  }
  .hero-actions {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.65rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 0.35rem;
  }
}
