/* ============================================================
   慧拍智算 HP-Web - 参考宇树科技(Unitree)设计风格
   深色科技风 / 大字号 / 全屏视觉 / 卡片式布局
   ============================================================ */

/* --- CSS Variables (Unitree-inspired dark tech palette) --- */
:root {
  --bg-primary: #0a0c14;
  --bg-secondary: #0f1221;
  --bg-card: #141828;
  --bg-card-hover: #1a1f35;
  --border: rgba(255,255,255,.08);
  --border-hover: rgba(56,189,248,.3);
  --text-primary: #ffffff;
  --text-secondary: #9ca3b8;
  --text-muted: #6b7280;
  --accent-blue: #38bdf8;
  --accent-cyan: #22d3ee;
  --accent-violet: #7c3aed;
  --accent-orange: #f97316;
  --gradient-brand: linear-gradient(135deg, #7c3aed 0%, #38bdf8 100%);
  --gradient-text: linear-gradient(90deg, #fff 0%, #87eaff 50%, #a78bfa 100%);
  --shadow-sm: 0 4px 20px rgba(0,0,0,.25);
  --shadow-md: 0 12px 40px rgba(0,0,0,.35);
  --shadow-lg: 0 24px 80px rgba(0,0,0,.45);
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --container: min(1280px, calc(100% - 48px));
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-font-smoothing: antialiased; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Microsoft YaHei", "PingFang SC", sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, video { max-width: 100%; display: block; }
ul, ol { list-style: none; }

/* --- Container --- */
.container { width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ========================================
   NAVIGATION (Unitree-style floating nav)
   ======================================== */
.nav {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: var(--container);
  z-index: 999;
  background: rgba(10, 12, 20, .75);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  transition: all .35s ease;
}
.nav.scrolled {
  top: 10px;
  background: rgba(10, 12, 20, .92);
  box-shadow: var(--shadow-md);
  border-color: rgba(255,255,255,.06);
}
.nav-inner {
  height: 76px;
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 40px);
  padding: 0 24px;
  width: 100%;
}

/* Brand / Logo (参考 Unitree 风格：左边商标图 + 英文名) */

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -.01em;
  flex-shrink: 0;
  color: #fff;
}
.brand-logo-img {
  height: 38px;
  width: auto;
  object-fit: contain;
  border-radius: 6px;
}
.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--gradient-brand);
  display: grid;
  place-items: center;
  box-shadow: 0 0 32px rgba(56,189,248,.3);
}
.logo-icon svg { width: 22px; height: 22px; }
.brand-text {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .02em;
  font-family: 'Inter', sans-serif;
  color: #fff;
}
.brand-text small {
  display: block;
  color: var(--text-muted);
  font-size: 10px;
  letter-spacing: .15em;
  font-weight: 600;
  text-transform: uppercase;
  margin-top: 1px;
}

/* Nav Links */
.nav-links {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(24px, 3vw, 40px);
  margin-left: clamp(28px, 4vw, 72px);
}
.nav-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: 0;
}
.nav-primary > a,
.nav-dropdown > .nav-dropdown-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 18px;
  color: rgba(255,255,255,.72);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .01em;
  transition: color .22s ease, opacity .22s ease;
  white-space: nowrap;
}
.nav-primary > a::after,
.nav-dropdown > .nav-dropdown-toggle::after {
  content: '';
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 7px;
  height: 1.5px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(255,255,255,0), rgba(212,175,55,.95), rgba(255,255,255,0));
  opacity: 0;
  transform: scaleX(.55);
  transition: opacity .22s ease, transform .22s ease;
}
.nav-primary > a:hover,
.nav-dropdown-toggle:hover,
.nav-dropdown:hover > .nav-dropdown-toggle {
  color: #fff;
}
.nav-primary > a:hover::after,
.nav-dropdown-toggle:hover::after,
.nav-dropdown:hover > .nav-dropdown-toggle::after {
  opacity: 1;
  transform: scaleX(1);
}

/* ====== NAV DROPDOWN (产品方案下拉菜单) ====== */
.nav-dropdown {
  position: relative;
}
.nav-dropdown-toggle {
  cursor: pointer;
  background: none;
  color: rgba(255,255,255,.72);
  font-family: inherit;
  border: none;
}
.nav-dropdown-toggle svg {
  transition: transform .25s ease, opacity .25s ease;
  width: 12px;
  height: 12px;
  opacity: .75;
}
.nav-dropdown:hover .nav-dropdown-toggle svg {
  transform: rotate(180deg);
  opacity: 1;
}

/* 下拉面板 */
.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  min-width: 320px;
  background: rgba(15, 18, 33, .97);
  backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-md);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, -8px);
  transition: all .3s cubic-bezier(.16,1,.3,1);
  box-shadow: 0 20px 60px rgba(0,0,0,.4), 0 0 30px rgba(124,58,237,.08);
  z-index: 1000;
}
.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}
.nav-dropdown-menu a {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  transition: all .2s ease;
}
.nav-dropdown-menu a:hover {
  background: rgba(56,189,248,.06);
}
.dropdown-icon {
  font-size: 24px;
  line-height: 1;
  flex-shrink: 0;
  margin-top: 2px;
}
.nav-dropdown-menu strong {
  display: block;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 2px;
}
.nav-dropdown-menu small {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
}
.nav-cta {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}
.nav-cta .btn-nav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 132px;
  background: var(--gradient-brand);
  color: #fff !important;
  border: none;
  font-weight: 700;
  padding: 10px 22px;
  box-shadow: 0 4px 20px rgba(124,58,237,.3);
}
.nav-cta .btn-nav:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 30px rgba(124,58,237,.4);
}

/* Mobile Menu Toggle */
.menu-btn {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  color: #fff;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
  flex-shrink: 0;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
.menu-btn svg {
  pointer-events: none;
}

body.menu-open {
  overflow: hidden;
}



/* ========================================
   HERO SECTION - Full-screen video/image
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  /* Deep dark gradient with subtle blue/purple glows like Unitree */
  background:
    radial-gradient(ellipse 80% 60% at 20% 30%, rgba(124,58,237,.15), transparent 50%),
    radial-gradient(ellipse 60% 50% at 80% 40%, rgba(34,211,238,.1), transparent 50%),
    radial-gradient(ellipse 100% 80% at 50% 100%, rgba(124,58,237,.08), transparent 50%),
    var(--bg-primary);
}

/* Grid pattern overlay (subtle) */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.5), transparent 85%);
  pointer-events: none;
}

/* Animated gradient orbs */
.hero::after {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56,189,248,.08), transparent 70%);
  top: -200px;
  right: -100px;
  animation: orbFloat 12s ease-in-out infinite;
  pointer-events: none;
}
@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-60px, 80px); }
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 64px;
  align-items: center;
  padding: 120px 0 100px;
}

/* Hero Text Content */
.hero-content { position: relative; }
.eyebrow-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(56,189,248,.2);
  background: rgba(56,189,248,.06);
  color: #a5e8ff;
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .03em;
  margin-bottom: 28px;
}
.eyebrow-tag svg { width: 15px; height: 15px; opacity: .8; }

.hero-title {
  font-size: clamp(48px, 7vw, 88px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -.04em;
  margin-bottom: 24px;
}
.hero-title .highlight {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-desc {
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.72;
  color: var(--text-secondary);
  max-width: 580px;
  margin-bottom: 36px;
}

.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 52px; }

/* Hero Stats Bar */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  max-width: 520px;
}
.stat-item {
  border: 1px solid var(--border);
  background: rgba(255,255,255,.04);
  border-radius: var(--radius-md);
  padding: 18px 16px;
  transition: all .25s ease;
}
.stat-item:hover {
  border-color: var(--border-hover);
  background: rgba(255,255,255,.07);
  transform: translateY(-3px);
}
.stat-item strong {
  display: block;
  font-size: 26px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}
.stat-item span {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
  display: block;
}

/* Hero Visual Area */
.hero-visual {
  position: relative;
}
.device-frame {
  position: relative;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
  padding: 12px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.device-frame video,
.device-frame img {
  border-radius: calc(var(--radius-xl) - 8px);
  aspect-ratio: 16/10;
  object-fit: cover;
  width: 100%;
  background: #111;
}

/* HUD overlay cards on device frame */
.hud-overlay {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 24px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
}
.hud-card {
  border: 1px solid rgba(255,255,255,.15);
  background: rgba(10, 12, 20, .78);
  backdrop-filter: blur(16px);
  border-radius: 14px;
  padding: 11px 14px;
}
.hud-card strong {
  display: block;
  font-size: 13px;
  font-weight: 700;
}
.hud-card small {
  color: var(--text-muted);
  font-size: 11px;
}

/* Floating info card */
.float-info {
  position: absolute;
  right: -16px;
  top: 8%;
  border: 1px solid rgba(34,211,238,.25);
  background: rgba(10, 15, 28, .82);
  backdrop-filter: blur(18px);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  box-shadow: var(--shadow-lg);
  animation: floatCard 5s ease-in-out infinite;
  max-width: 220px;
}
@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}
.float-info strong {
  font-size: 14px;
  font-weight: 700;
}
.float-info small {
  color: var(--text-muted);
  font-size: 12px;
  display: block;
  margin-top: 4px;
  line-height: 1.5;
}

/* ========================================
   SECTIONS - Common styles
   ======================================== */
.section {
  position: relative;
  padding: 110px 0;
}
.section-alt {
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}
.section-dark {
  background: var(--bg-secondary);
}
.section::before,
.section-dark::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, #000 0%, transparent 92%);
  pointer-events: none;
}

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: 64px;
  position: relative;
  z-index: 2;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-blue);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .15em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-label::before,
.section-label::after {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--accent-blue);
  opacity: .5;
}
.section-header h2 {
  font-size: clamp(32px, 5vw, 54px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -.03em;
  margin-bottom: 16px;
}
.section-header p {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 720px;
  margin: 0 auto;
}

/* ========================================
   COMPANY INTRO / STRENGTH SECTION
   (精简版：两大资质证书大图展示)
   ======================================== */

/* 证书画廊 - 两张大图并排 */
.cert-gallery {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 36px;
  position: relative;
  z-index: 2;
  max-width: 1000px;
  margin: 0 auto;
}
.cert-card {
  background: linear-gradient(145deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all .4s cubic-bezier(.16,1,.3,1);
  box-shadow: var(--shadow-sm);
}
.cert-card:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: rgba(56,189,248,.3);
  box-shadow: var(--shadow-lg), 0 0 60px rgba(124,58,237,.15);
}
.cert-frame {
  padding: 20px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 380px;
}
.cert-frame img {
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 6px;
}
/* 横版高新证书 - 放大填充 */
.cert-gaoxin .cert-frame img {
  width: 100%;
  height: auto;
  max-height: none;
}
/* 竖版省科小证书 - 缩小居中，对齐高度 */
.cert-kexiao .cert-frame {
  min-height: 380px;
  align-items: flex-start;
  padding-top: 28px;
  padding-bottom: 28px;
}
.cert-kexiao .cert-frame img {
  width: 78%;
  height: auto;
  margin: 0 auto;
  max-height: 340px;
  object-fit: contain;
}
.cert-caption {
  padding: 16px 22px;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,.06);
}
.cert-caption strong {
  display: block;
  font-size: 17px;
  font-weight: 800;
  color: #fff;
}

/* ========================================
   AI TECHNOLOGY ADVANTAGES
   ======================================== */
.tech-advantage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
  z-index: 2;
}
.tech-card {
  border: 1px solid var(--border);
  background: rgba(255,255,255,.04);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  transition: all .3s ease;
}
.tech-card:hover {
  border-color: var(--border-hover);
  background: rgba(255,255,255,.07);
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}
.tech-icon {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(124,58,237,.9), rgba(34,211,238,.85));
  display: grid;
  place-items: center;
  margin: 0 auto 18px;
}
.tech-icon svg { width: 27px; height: 27px; }

/* Tech illustration images (replacing SVG icons) */
.tech-illustration {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-md, 12px);
  overflow: hidden;
  margin: 0 auto 18px;
  background: rgba(255,255,255,.03);
}
.tech-illustration img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}
.tech-card:hover .tech-illustration img {
  transform: scale(1.04);
}

.tech-card h4 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
}
.tech-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.65;
}

/* Value proposition bar */
.value-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 36px;
  position: relative;
  z-index: 2;
}
.value-item {
  border: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(124,58,237,.06), rgba(56,189,248,.04));
  border-radius: var(--radius-lg);
  padding: 28px;
  text-align: center;
  transition: all .25s ease;
}
.value-item:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
}
.value-item h4 {
  font-size: 19px;
  font-weight: 800;
  margin-bottom: 8px;
}
.value-item p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ========================================
   PRODUCT SECTIONS
   ======================================== */
.product-showcase {
  display: grid;
  gap: 36px;
  position: relative;
  z-index: 2;
}
.product-feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 44px;
  align-items: center;
  border: 1px solid var(--border);
  background: linear-gradient(145deg, rgba(255,255,255,.07), rgba(255,255,255,.02));
  border-radius: var(--radius-xl);
  padding: 36px;
  overflow: hidden;
  transition: all .3s ease;
}
.product-feature:hover {
  border-color: rgba(56,189,248,.2);
  box-shadow: var(--shadow-md);
}
.product-feature.reverse {
  grid-template-columns: 1fr 1fr;
}
.product-feature.reverse .product-media { order: 2; }
.product-feature.reverse .product-info { order: 1; }

/* Product media area */
.product-media {
  position: relative;
}
.media-main {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.1);
}
.media-main video,
.media-main img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  border-radius: var(--radius-lg);
  display: block;
}
.media-stack {
  display: grid;
  gap: 12px;
  margin-top: 12px;
}
.media-stack img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,.08);
}

/* Product info area */
.product-info { }
.product-label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 15px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .03em;
  margin-bottom: 18px;
}
.product-label.vlog {
  background: rgba(34,211,238,.1);
  border: 1px solid rgba(34,211,238,.25);
  color: #7ee8f9;
}
.product-label.photo {
  background: rgba(124,58,237,.12);
  border: 1px solid rgba(124,58,237,.25);
  color: #d4bbff;
}
.product-info h3 {
  font-size: 30px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.02em;
  margin-bottom: 16px;
}
.product-info > p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 24px;
}

/* Feature mini list inside product */
.feature-minis {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.mini-feature {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  background: rgba(255,255,255,.03);
  transition: all .2s ease;
}
.mini-feature:hover {
  border-color: rgba(56,189,248,.2);
  background: rgba(255,255,255,.05);
}
.mini-feature b {
  display: block;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 5px;
}
.mini-feature span {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.55;
}

/* Process steps for Vlog */
.process-flow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  margin-top: 36px;
  position: relative;
  z-index: 2;
}
.process-step {
  border: 1px solid rgba(56,189,248,.18);
  background: linear-gradient(145deg, rgba(56,189,248,.08), rgba(124,58,237,.04));
  border-radius: var(--radius-lg);
  padding: 22px 16px 20px;
  text-align: center;
  transition: all .25s ease;
  position: relative;
  min-height: 206px;
}
.visual-process .process-step:not(:last-child)::after {
  content: "→";
  position: absolute;
  right: -18px;
  top: 50%;
  transform: translate(50%, -50%);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-violet));
  font-weight: 900;
  box-shadow: 0 8px 24px rgba(56,189,248,.22);
  z-index: 3;
}
.process-step:hover {
  border-color: var(--accent-blue);
  background: linear-gradient(145deg, rgba(56,189,248,.13), rgba(124,58,237,.08));
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}
.step-num {
  font-size: 18px;
  font-weight: 900;
  color: var(--accent-blue);
  line-height: 1;
  margin-bottom: 12px;
  letter-spacing: .08em;
  opacity: .85;
}
.process-icon {
  width: 58px;
  height: 58px;
  margin: 0 auto 14px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, rgba(56,189,248,.9), rgba(124,58,237,.85));
  box-shadow: 0 12px 30px rgba(56,189,248,.18);
}
.process-icon svg {
  width: 28px;
  height: 28px;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.process-step h5 {
  font-size: 15px;
  font-weight: 800;
  margin-bottom: 8px;
}
.process-step p {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.55;
}
@media (max-width: 900px) {
  .visual-process .process-step:not(:last-child)::after { display: none; }
}

/* ========================================
   CASES / PROJECTS GRID
   ======================================== */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
  z-index: 2;
}
.case-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  transition: all .3s ease;
}
.case-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
}
.case-thumb {
  height: 190px;
  overflow: hidden;
  position: relative;
}
.case-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.case-card:hover .case-thumb img { transform: scale(1.08); }
.case-body {
  padding: 20px;
  text-align: center;
}
.case-type {
  font-size: 11px;
  font-weight: 800;
  color: var(--accent-blue);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: 6px;
  display: block;
}
.case-body h4 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 6px;
}
.case-body p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.55;
  text-align: left;
}
.case-body p + p {
  margin-top: 8px;
}

/* ========================================
   BUSINESS MODEL / COOPERATION
   ======================================== */
.coop-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  position: relative;
  z-index: 2;
}
.coop-card {
  border: 1px solid var(--border);
  background: linear-gradient(145deg, rgba(255,255,255,.05), rgba(255,255,255,.01));
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  text-align: left;
  transition: all .35s cubic-bezier(.16,1,.3,1);
  position: relative;
  overflow: hidden;
}
.coop-card::before {
  content:'';
  position:absolute; top:0; left:0; right:0; height:3px;
  background:var(--gradient-brand); opacity:0; transition:opacity .3s;
}
.coop-card:hover {
  border-color: var(--border-hover);
  background: rgba(255,255,255,.06);
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}
.coop-card:hover::before { opacity:1; }
.coop-icon-wrap {
  width:64px; height:64px;
  border-radius:18px;
  background:linear-gradient(135deg, rgba(56,189,248,.12), rgba(124,58,237,.08));
  border:1px solid rgba(56,189,248,.15);
  display:grid; place-items:center;
  margin-bottom:20px;
}
.coop-card h4 {
  font-size:22px;
  font-weight: 800;
  margin-bottom: 10px;
}
.coop-desc {
  font-size:14px;
  color:var(--text-secondary);
  line-height:1.7;
  margin-bottom:16px;
}
.coop-points {
  list-style:none;
  padding:0;
  margin-bottom:16px;
}
.coop-points li {
  font-size:13px;
  color:var(--text-secondary);
  padding:6px 0;
  padding-left:22px;
  position:relative;
  line-height:1.55;
}
.coop-points li::before {
  content:'';
  position:absolute; left:0; top:13px;
  width:8px; height:8px;
  border-radius:50%;
  background:linear-gradient(135deg, #38bdf8, #7c3aed);
}
.coop-tag {
  display:inline-block;
  padding:6px 14px;
  border-radius:999px;
  font-size:11px;
  font-weight:700;
  color:var(--accent-blue);
  border:1px solid rgba(56,189,248,.25);
  background:rgba(56,189,248,.06);
}

/* ========================================
   SERVICE GRID 3x2 (服务与支持)
   ======================================== */
.service-grid-3x2 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  position: relative;
  z-index: 2;
}
.service-card-3x2 {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  text-align: center;
  transition: all .35s cubic-bezier(.16,1,.3,1);
  border: 1px solid #eef2f7;
  box-shadow: 0 2px 12px rgba(0,0,0,.04);
}
.service-card-3x2:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0,0,0,.12);
  border-color: transparent;
}
.service-card-3x2 img {
  width:100%;
  height:280px;
  object-fit: cover;
  object-position: top center;
  transition: transform .5s ease;
  display:block;
}
.service-card-3x2:hover img { transform: scale(1.03); }

.service-card-3x2 h4 {
  font-size:20px;
  font-weight:800;
  margin-bottom:6px;
  color: var(--text-primary);
  letter-spacing: .02em;
  padding: 14px 20px 0;
}
.service-card-3x2 p {
  font-size:14px;
  color:#555;
  line-height:1.65;
  font-weight:500;
  padding: 0 20px 18px;
}

/* ========================================
   CONTACT SECTION
   ======================================== */
.contact-wrapper {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 36px;
  position: relative;
  z-index: 2;
}
.contact-left .section-header { text-align: left; margin-bottom: 28px; }
.contact-left .section-header p { margin: 0; max-width: none; }

.contact-channels {
  display: grid;
  gap: 14px;
}
.channel-item {
  display: flex;
  align-items: center;
  gap: 16px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.04);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  transition: all .2s ease;
}
.channel-item:hover {
  border-color: var(--border-hover);
  background: rgba(255,255,255,.06);
}
.channel-icon {
  width: 46px;
  height: 46px;
  border-radius: 13px;
  background: linear-gradient(135deg, rgba(124,58,237,.8), rgba(56,189,248,.7));
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.channel-icon svg { width: 22px; height: 22px; }
.channel-text b {
  display: block;
  font-size: 14px;
  font-weight: 700;
}
.channel-text span {
  font-size: 13px;
  color: var(--text-muted);
}

/* QR Code Section - 分组卡片对齐，增大扫码区域 */
.qr-section {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  align-items: stretch;
}
.qr-group {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 18px;
  min-height: 100%;
  padding: 24px;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255,255,255,.1);
  background: linear-gradient(180deg, rgba(13,20,40,.92), rgba(10,16,30,.82));
  box-shadow: 0 18px 44px rgba(3,8,20,.28);
}
.qr-group-title {
  margin: 0;
  min-height: 62px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: clamp(20px, 2.1vw, 28px);
  font-weight: 900;
  letter-spacing: .03em;
  color: #fff;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-violet));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.25;
}
.qr-items {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.qr-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 100%;
  padding: 18px 16px 16px;
  border-radius: calc(var(--radius-lg) + 2px);
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.03);
}
.qr-item img {
  width: min(100%, 236px);
  aspect-ratio: 1 / 1;
  height: auto;
  object-fit: contain;
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,.12);
  background: #fff;
  padding: 14px;
  transition: transform .25s ease, box-shadow .25s ease;
  box-shadow: 0 10px 26px rgba(0,0,0,.24);
}
.qr-item:hover img {
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(56,189,248,.24);
}
.qr-item span {
  font-size: 15px;
  color: #e5eefc;
  font-weight: 800;
  letter-spacing: .04em;
}


/* Contact form */
.contact-form-card {
  border: 1px solid var(--border);
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: 36px;
}
.contact-form-card h3 {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 12px;
}
.contact-form-note {
  margin: 0 0 22px;
  color: var(--text-muted);
  line-height: 1.7;
  font-size: 14px;
}
.form-grid {
  display: grid;
  gap: 14px;
}

.form-input {
  width: 100%;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.04);
  border-radius: var(--radius-md);
  color: #fff;
  padding: 15px 18px;
  font: inherit;
  font-size: 14px;
  outline: none;
  transition: all .2s ease;
}
.form-input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(56,189,248,.1);
  background: rgba(255,255,255,.06);
}
.form-input::placeholder { color: var(--text-muted); }
textarea.form-input {
  min-height: 120px;
  resize: vertical;
}
.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.contact-submit-btn[disabled] {
  opacity: .72;
  cursor: not-allowed;
}
.form-status {
  min-height: 24px;
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-muted);
}
.form-status.is-success {
  color: #7dd3fc;
}
.form-status.is-error {
  color: #fda4af;
}


/* ========================================
   FOOTER
   ======================================== */
.footer {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  background: #070912;
}
/* === 公共 Footer（由 footer-common.js 动态渲染） === */
#footer-common {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.footer-copyright {
  color: rgba(150, 158, 175, 0.85);
  font-size: 12px;
  text-align: center;
  letter-spacing: 0.3px;
}
.footer-copyright a,
.footer-company a {
  color: rgba(150, 158, 175, 0.85);
  text-decoration: none;
  transition: color .2s;
}
.footer-copyright a:hover,
.footer-company a:hover {
  color: rgba(200, 205, 215, 0.75);
}
.footer-company {
  color: rgba(150, 158, 175, 0.85);
  font-size: 12px;
  text-align: center;
  letter-spacing: 0.3px;
}
.footer-slogan {
  color: rgba(140, 148, 165, 0.65);
  font-size: 12px;
  text-align: center;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 14px 26px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all .25s ease;
  white-space: nowrap;
  font-family: inherit;
}
.btn-primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: 0 8px 32px rgba(124,58,237,.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 44px rgba(124,58,237,.38);
}
.btn-outline {
  border-color: var(--border);
  background: rgba(255,255,255,.04);
  color: #fff;
}
.btn-outline:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.2);
}

/* ========================================
   SCROLL REVEAL ANIMATION
   ======================================== */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.stagger-reveal > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .55s ease, transform .55s ease;
}
.stagger-reveal.visible > *:nth-child(1) { transition-delay: .05s; opacity: 1; transform: translateY(0); }
.stagger-reveal.visible > *:nth-child(2) { transition-delay: .12s; opacity: 1; transform: translateY(0); }
.stagger-reveal.visible > *:nth-child(3) { transition-delay: .19s; opacity: 1; transform: translateY(0); }
.stagger-reveal.visible > *:nth-child(4) { transition-delay: .26s; opacity: 1; transform: translateY(0); }
.stagger-reveal.visible > *:nth-child(5) { transition-delay: .33s; opacity: 1; transform: translateY(0); }
.stagger-reveal.visible > *:nth-child(6) { transition-delay: .40s; opacity: 1; transform: translateY(0); }
.stagger-reveal.visible > *:nth-child(n+7) { transition-delay: .47s; opacity: 1; transform: translateY(0); }

/* ========================================
   IP SHOWCASE - 宽幅大气轮播 (一次显示3张)
   使用高清转换后的PDF图片
   ======================================== */
.ip-wide-carousel {
  display: flex;
  align-items: center;
  gap: 16px;
  position: relative;
  z-index: 2;
}

.ip-wide-btn {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.06);
  color: #fff;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: all .25s ease;
}
.ip-wide-btn:hover {
  background: var(--gradient-brand);
  border-color: transparent;
  box-shadow: 0 4px 20px rgba(124,58,237,.3);
  transform: scale(1.08);
}

.ip-wide-viewport {
  flex: 1;
  overflow: hidden;
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg, rgba(255,255,255,.05), rgba(255,255,255,.01));
  border: 1px solid var(--border);
  padding: 24px;
}

.ip-wide-track {
  display: flex;
  gap: 20px;
  transition: transform .6s cubic-bezier(.22,1,.36,1);
}

.ip-wide-slide {
  flex: 0 0 calc(33.333% - 14px); /* 一行显示3张 */
  min-width: 260px;
}

.ip-wide-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all .35s cubic-bezier(.16,1,.3,1);
  border: 2px solid transparent;
}
.ip-wide-card:hover {
  border-color: rgba(56,189,248,.4);
  box-shadow: var(--shadow-md), 0 0 30px rgba(56,189,248,.08);
  transform: translateY(-6px) scale(1.02);
}

.ip-wide-card img {
  width: 100%;
  aspect-ratio: 0.707; /* A4比例 */
  object-fit: contain;
  display: block;
  background: #fff;
}

.ip-wide-info {
  padding: 12px 14px;
  background: #fff;
  text-align: left;
}

/* IP标签 */
.ip-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .06em;
  margin-bottom: 6px;
  text-transform: uppercase;
}
.ip-patent {
  background: linear-gradient(135deg, rgba(249,115,22,.2), rgba(249,115,22,.08));
  border: 1px solid rgba(249,115,22,.35);
  color: #f97316;
}
.ip-software {
  background: linear-gradient(135deg, rgba(56,189,248,.15), rgba(56,189,248,.06));
  border: 1px solid rgba(56,189,248,.28);
  color: #38bdf8;
}

.ip-wide-info strong {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.4;
  color: #1a1a2e;
}

/* 进度条 */
.ip-wide-progress {
  width: calc(100% - 120px);
  max-width: 1100px;
  height: 3px;
  background: rgba(255,255,255,.08);
  border-radius: 999px;
  margin: 18px auto 0;
  position: relative;
  z-index: 2;
  overflow: hidden;
}
.ip-wide-progress::after {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 11.11%; /* 1/9 */
  background: var(--gradient-brand);
  border-radius: 999px;
  transition: transform .6s ease;
  transform: translateX(var(--progress-x, 0));
}

.ip-counter {
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 10px;
  position: relative;
  z-index: 2;
}
.ip-counter span { font-weight: 700; color: var(--accent-blue); }

/* ========================================
   IP INLINE SECTION (知识产权内嵌在核心技术模块下方)
   ======================================== */
.ip-inline-section {
  margin-top: 64px;
  position: relative;
  z-index: 2;
}
.ip-inline-header {
  text-align: center;
  margin-bottom: 32px;
}
.ip-inline-header .section-label {
  display: inline-block;
}
.ip-inline-header h2 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.03em;
  margin: 8px 0 12px;
  white-space: nowrap;
}
.ip-inline-header p {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto;
}

/* ========================================
   VIDEO SHOWCASE (企业视频展示)
   ======================================== */
.video-showcase-wrapper {
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
.video-container {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.12);
  background: #000;
  box-shadow: var(--shadow-lg);
}
.video-container video {
  width: 100%;
  height: auto;
  min-height: 480px;
  object-fit: contain;
  display: block;
}
.video-play-btn {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 80px; height: 80px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,.7);
  background: rgba(124,58,237,.4);
  backdrop-filter: blur(12px);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: all .3s ease;
  opacity: 1;
}
.video-play-btn:hover {
  background: var(--gradient-brand);
  border-color: transparent;
  transform: translate(-50%, -50%) scale(1.12);
  box-shadow: 0 0 40px rgba(124,58,237,.45);
}
.video-play-btn.playing { opacity: 0; pointer-events: none; }

.video-info-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: rgba(15,18,33,.85);
  border-top: 1px solid rgba(255,255,255,.06);
  border-bottom-left-radius: var(--radius-xl);
  border-bottom-right-radius: var(--radius-xl);
}
.video-info-text strong { display: block; font-size: 14px; font-weight: 700; }
.video-info-text span { font-size: 12px; color: var(--text-muted); }

/* ========================================
   PRODUCT HERO GRID (首页两大产品卡片)
   ======================================== */
.product-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  position: relative;
  z-index: 2;
}
.product-hero-card {
  display: block;
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.1);
  transition: all .4s cubic-bezier(.16,1,.3,1);
  text-decoration: none !important;
  color: inherit;
}
.product-hero-card:hover {
  border-color: rgba(56,189,248,.35);
  box-shadow: var(--shadow-lg), 0 0 60px rgba(56,189,248,.08);
  transform: translateY(-8px) scale(1.01);
}
.product-hero-visual { position: relative; }
.product-hero-visual img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  display: block;
  transition: transform .6s cubic-bezier(.16,1,.3,1);
}
.product-hero-card:hover .product-hero-visual img { transform: scale(1.06); }

.product-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(6,8,18,.94) 0%, rgba(6,8,18,.4) 40%, rgba(6,8,18,.1) 65%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 32px 28px;
}
.product-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .06em;
  margin-bottom: 12px;
  align-self: flex-start;
}
.product-badge.vlog {
  background: rgba(34,211,238,.15);
  border: 1px solid rgba(34,211,238,.3);
  color: #7ee8f9;
}
.product-badge.photo {
  background: rgba(124,58,237,.15);
  border: 1px solid rgba(124,58,237,.3);
  color: #d4bbff;
}
.product-hero-overlay h3 {
  font-size: 26px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.02em;
  margin-bottom: 10px;
}
.product-hero-overlay h3 span {
  font-size: 17px;
  font-weight: 600;
  color: var(--accent-blue);
  display: block;
  margin-top: 4px;
}
.product-hero-overlay p {
  font-size: 13px;
  color: rgba(255,255,255,.7);
  line-height: 1.65;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-hero-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.product-hero-tags span {
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  background: rgba(255,255,255,.08);
  color: rgba(255,255,255,.75);
  border: 1px solid rgba(255,255,255,.1);
}
.product-link-arrow {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-blue);
  transition: all .25s ease;
}
.product-hero-card:hover .product-link-arrow {
  transform: translateX(6px);
}

/* ========================================
   PRODUCT DETAIL PAGES - 额外样式
   ======================================== */

/* 产品能力卡片 (4列) */
.product-capability-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  position: relative;
  z-index: 2;
}
.capability-card {
  border: 1px solid var(--border);
  background: linear-gradient(145deg, rgba(255,255,255,.06), rgba(255,255,255,.01));
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all .3s ease;
}
.capability-card:hover {
  border-color: var(--border-hover);
  background: rgba(255,255,255,.06);
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}
.cap-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  margin-bottom: 20px;
}

/* Capability illustration images (replacing cap-icon) */
.cap-illustration {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-md, 12px);
  overflow: hidden;
  margin-bottom: 18px;
  background: rgba(255,255,255,.03);
}
.cap-illustration img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}
.capability-card:hover .cap-illustration img {
  transform: scale(1.03);
}

.capability-card h4 {
  font-size: 19px;
  font-weight: 800;
  margin-bottom: 10px;
}
.capability-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 14px;
}
.cap-points {
  list-style: none;
  padding: 0;
}
.cap-points li {
  font-size: 13px;
  color: var(--text-muted);
  padding: 5px 0;
  padding-left: 18px;
  position: relative;
  line-height: 1.55;
}
.cap-points li::before {
  content: '';
  position: absolute;
  left: 0; top: 12px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent-blue);
}

/* 场景展示网格 */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  position: relative;
  z-index: 2;
}
.scenario-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  transition: all .35s cubic-bezier(.16,1,.3,1);
}
.scenario-card:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
}
.scenario-card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform .5s ease;
}
.scenario-card:hover img { transform: scale(1.08); }
.scenario-body {
  padding: 18px 20px;
}
.scenario-body h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 5px;
}
.scenario-body p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (prefers-reduced-motion: reduce) {
  *, .reveal, .stagger-reveal > *, .float-info {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 44px; padding: 100px 0 70px; }
  .hero-stats { max-width: 100%; }
  .hero-visual { max-width: 560px; margin: 0 auto; }
  .float-info { display: none; }
  
  .company-hero-card,
  .product-feature,
  .product-feature.reverse,
  .contact-wrapper { grid-template-columns: 1fr; }
  .product-feature.reverse .product-media { order: 0; }
  .product-feature.reverse .product-info { order: 0; }
  .qr-section { grid-template-columns: 1fr; }
  .qr-group { max-width: 540px; width: 100%; margin: 0 auto; }
  .qr-item img { width: min(100%, 260px); }
  
  .tech-advantage-grid,
  .coop-grid { grid-template-columns: repeat(2, 1fr); }
  .service-grid-3x2 { grid-template-columns: repeat(2, 1fr); }
  .product-capability-grid { grid-template-columns: 1fr; }
  .scenario-grid { grid-template-columns: repeat(2, 1fr); }
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .process-flow { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  :root { --container: calc(100% - 36px); }
  .section { padding: 72px 0; }
  .nav { top: 8px; width: calc(100% - 24px); border-radius: var(--radius-md); }
  .nav-inner { height: 60px; padding: 0 16px; }
  .qr-group { padding: 20px 18px; }
  .qr-group-title { min-height: auto; font-size: 22px; }
  .qr-item { padding: 16px 14px 14px; }
  .qr-item img { width: min(100%, 240px); padding: 12px; }
  
  .menu-btn { display: grid; place-items: center; }
  .nav-links {
    position: fixed;
    top: calc(env(safe-area-inset-top, 0px) + 78px);
    left: 12px;
    right: 12px;
    display: none;
    grid-template-columns: 1fr;
    align-content: start;
    gap: 12px;
    margin-left: 0;
    background: rgba(10,12,20,.98);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 14px;
    max-height: calc(100dvh - 92px);
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    box-shadow: 0 18px 40px rgba(0,0,0,.42);
    z-index: 1200;
  }
  .nav-links.open { display: grid; }
  .nav-links::-webkit-scrollbar { width: 8px; }
  .nav-links::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,.18);
    border-radius: 999px;
  }
  .nav-primary {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
  }
  .nav-primary > a,
  .nav-dropdown > .nav-dropdown-toggle {
    width: 100%;
    justify-content: space-between;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,.04);
  }
  .nav-primary > a::after,
  .nav-dropdown > .nav-dropdown-toggle::after { display: none; }
  .nav-cta {
    padding-top: 8px;
    border-top: 1px solid rgba(255,255,255,.08);
  }
  .nav-cta .btn-nav { width: 100%; }

  
  .brand-text small { display: none; }
  .hero-title { font-size: clamp(36px, 9vw, 56px); }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .hero-cta { flex-direction: column; }
  .btn { width: 100%; }
  
  .tech-dna-grid,
  .value-bar { grid-template-columns: 1fr; }
  .tech-advantage-grid,
  .coop-grid,
  .cases-grid { grid-template-columns: 1fr; }
  .feature-minis { grid-template-columns: 1fr; }
  .process-flow { grid-template-columns: 1fr 1fr; }
  .qual-row { grid-template-columns: 1fr; }
  .product-capability-grid { grid-template-columns: 1fr; }
  .scenario-grid { grid-template-columns: 1fr; }
  
  /* 证书画廊响应式 */
  .cert-gallery { grid-template-columns: 1fr; gap: 24px; max-width: 480px; }
  .cert-frame { min-height: 280px; padding: 16px; }
  .cert-kexiao .cert-frame { min-height: auto; align-items: center; padding: 16px; }
  .cert-kexiao .cert-frame img { width: 70%; max-height: none; }
  
  /* IP宽幅轮播响应式 */
  .ip-wide-slide { flex: 0 0 calc(50% - 10px); } /* 平板显示2张 */

  /* 产品大卡片响应式 */
  .product-hero-grid { grid-template-columns: 1fr; }

  /* 视频展示响应式 */
  .video-showcase-wrapper { max-width: 100%; }

  /* IP轮播响应式 */
  .ip-btn { width: 40px; height: 40px; }
  .ip-carousel-viewport { padding: 16px; }
  .ip-slide img { max-height: 300px; }
  
  /* 导航下拉响应式 */
  .nav-dropdown-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none; background: transparent; padding: 0; margin-top: 8px; display: none; }
  .nav-dropdown.open .nav-dropdown-menu { display: block; }
  .nav-dropdown-menu a { padding: 12px 16px; border-radius: var(--radius-sm); background: rgba(255,255,255,.04); margin-bottom: 4px; }

  #footer-common { gap: 5px; }
}

@media (max-width: 480px) {
  .stats, .feature-minis, .tech-advantage-grid, .cases-grid, 
  .coop-grid, .value-bar, .qual-row, .process-flow, .service-grid-3x2 { grid-template-columns: 1fr; }
  .company-hero-card { padding: 24px; }
  .product-feature { padding: 24px; }
  .section-header { margin-bottom: 40px; }
  .section-header h2 { font-size: 28px; }

  /* IP宽幅轮播 - 手机显示1张 */
  .ip-wide-carousel { gap: 8px; }
  .ip-wide-btn { width: 36px; height: 36px; }
  .ip-wide-viewport { padding: 14px; }
  .ip-wide-track { gap: 12px; }
  .ip-wide-slide { flex: 0 0 calc(100% - 6px); min-width: auto; }
  .ip-wide-card img { aspect-ratio: 0.707; }
  .ip-wide-info strong { font-size: 11px; }

  /* 视频播放按钮缩小 */
  .video-play-btn { width: 60px; height: 60px; }
  .video-play-btn svg { width: 32px; height: 32px; }
}

/* ============================================================
   HV GRAND REDESIGN OVERRIDES - 宽屏、大图、简约大气
   参考高端科技企业解决方案页面：全宽首屏 + 大板块 + 强场景图
   ============================================================ */
:root {
  --container: min(1500px, calc(100% - 56px));
  --gold: #d4af37;
  --ink: #070910;
}

.nav {
  background: rgba(7, 9, 16, .58);
  backdrop-filter: blur(22px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.nav.scrolled {
  background: rgba(7, 9, 16, .9);
}
.nav-inner {
  max-width: 1680px;
  height: 76px;
}
.brand {
  gap: 14px;
}
.logo-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, #111827, #263247);
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: none;
}
.brand-text {
  display: flex;
  align-items: baseline;
  gap: 14px;
  white-space: nowrap;
}
.brand-text > span {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .02em;
}
.brand-text > strong {
  font-size: clamp(24px, 2.1vw, 34px);
  font-family: "Georgia", "Times New Roman", serif;
  font-weight: 800;
  font-style: italic;
  letter-spacing: -.03em;
  line-height: 1;
  background: linear-gradient(180deg, #fff7b2 0%, #ffd45e 26%, #ff9e2f 55%, #cf5e1a 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  -webkit-text-stroke: 1px rgba(73, 34, 14, .72);
  text-shadow:
    0 1px 0 rgba(255, 230, 128, .55),
    0 2px 0 rgba(125, 66, 25, .5),
    0 5px 10px rgba(0, 0, 0, .36);
}
.dropdown-letter {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  font-size: 14px !important;
  font-weight: 900;
  letter-spacing: .02em;
  color: #0a0c14;
  background: linear-gradient(135deg, #fff, #d4af37);
  margin-top: 0;
}

/* 全宽大图首屏 */
.hv-hero-wide {
  position: relative;
  width: 100%;
  height: 0 !important;
  padding-top: 28.125% !important; /* 9/32 * 100 = 32:9 比例 */
  min-height: auto !important;
  max-height: none !important;
  overflow: hidden;
  display: block !important;
  background: #05070d;
}
.hv-hero-wide > * {
  position: absolute;
}
.hv-hero-bg {
  position: absolute;
  inset: 0;
  background-size: 100% 100% !important;
  background-position: center;
  background-repeat: no-repeat;
  filter: saturate(1.06) contrast(1.02);
}
.hv-product-landing .hv-hero-bg {
  background-position: center 42%;
}
.hv-hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(5,7,13,.92) 0%, rgba(5,7,13,.72) 34%, rgba(5,7,13,.2) 72%, rgba(5,7,13,.5) 100%),
    linear-gradient(0deg, rgba(5,7,13,.94) 0%, rgba(5,7,13,.1) 45%, rgba(5,7,13,.62) 100%);
}
.hv-hero-content {
  position: relative;
  z-index: 2;
  width: min(880px, 92vw);
  padding-bottom: 110px;
}
.hv-eyebrow {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.16);
}
.hv-hero-title {
  margin-top: 22px;
  font-size: clamp(40px, 6vw, 80px);
  line-height: 1.15;
  letter-spacing: -.03em;
  font-weight: 900;
}
.hv-hero-title span {
  display: inline;
  color: #fff;
  font-weight: 900;
}
.hv-hero-desc {
  max-width: 740px;
  margin-top: 28px;
  font-size: clamp(16px, 1.35vw, 22px);
  line-height: 1.75;
  color: rgba(255,255,255,.76);
}
/* 首页slogan - 副标题 */
.hv-slogan {
  margin-top: 20px;
  font-size: clamp(17px, 1.6vw, 24px);
  line-height: 1.5;
  color: rgba(255,255,255,.88);
  font-weight: 600;
  letter-spacing: .08em;
}
.hv-subtitle {
  text-shadow: 0 2px 12px rgba(0,0,0,.35);
}
.hv-hero-actions {
  margin-top: 34px;
}
.hv-hero-actions .btn {
  width: auto;
  min-width: 150px;
}
.hv-hero-metrics {
  position: absolute;
  left: clamp(28px, 6vw, 96px);
  right: clamp(28px, 6vw, 96px);
  bottom: 38px;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid rgba(255,255,255,.18);
  border-bottom: 1px solid rgba(255,255,255,.12);
  background: rgba(7,9,16,.38);
  backdrop-filter: blur(16px);
}
.hv-hero-metrics div {
  padding: 22px 30px;
  border-right: 1px solid rgba(255,255,255,.12);
}
.hv-hero-metrics div:last-child { border-right: none; }
.hv-hero-metrics strong {
  display: block;
  font-size: clamp(28px, 3vw, 48px);
  line-height: 1;
  letter-spacing: -.05em;
}
.hv-hero-metrics span {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  color: rgba(255,255,255,.62);
}

/* 大板块 */
.section {
  padding: clamp(96px, 9vw, 150px) 0;
}
.section-header {
  max-width: 980px;
  margin-left: auto;
  margin-right: auto;
}
.section-header h2,
.hv-section-title h2 {
  font-size: clamp(38px, 5vw, 76px);
  line-height: 1.04;
  letter-spacing: -.055em;
}
.home-tech-title {
  font-size: clamp(34px, 4.25vw, 66px) !important;
}

.section-header p,
.hv-section-title p {
  font-size: clamp(16px, 1.35vw, 21px);
  line-height: 1.75;
}
.hv-wide-section {
  width: 100%;
  padding: clamp(110px, 10vw, 170px) 0;
}
.hv-section-title {
  width: var(--container);
  margin: 0 auto 48px;
  text-align: left;
  position: relative;
  z-index: 2;
}
.hv-section-title p {
  max-width: 720px;
  color: var(--text-secondary);
  margin-top: 16px;
}

/* 双产品宽屏卡片 */
.hv-products-showcase {
  background: #05070d;
  overflow: hidden;
}
.hv-product-panels {
  width: min(1720px, calc(100% - 48px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px;
}
.hv-product-panel {
  position: relative;
  display: block;
  min-height: clamp(520px, 48vw, 760px);
  overflow: hidden;
  border-radius: 34px;
  border: 1px solid rgba(255,255,255,.12);
  background: #0b0f18;
  cursor: pointer;
}
.hv-product-panel img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .8s cubic-bezier(.16,1,.3,1);
}
.hv-product-panel:hover img {
  transform: scale(1.045);
}
.hv-panel-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(34px, 5vw, 64px);
  background: linear-gradient(to top, rgba(5,7,13,.95) 0%, rgba(5,7,13,.54) 45%, rgba(5,7,13,.06) 100%);
}
.hv-panel-overlay span {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .18em;
  color: #d4af37;
  text-transform: uppercase;
}
.hv-panel-overlay h3 {
  margin-top: 14px;
  font-size: clamp(30px, 3vw, 52px);
  line-height: 1.08;
  letter-spacing: -.04em;
}
.hv-panel-overlay p {
  max-width: 640px;
  margin-top: 16px;
  color: rgba(255,255,255,.72);
  font-size: clamp(14px, 1.05vw, 18px);
  line-height: 1.7;
}
.hv-panel-overlay b {
  margin-top: 24px;
  color: #fff;
  font-size: 15px;
}

/* 让现有卡片更宽大、少一点碎片感 */
.tech-card,
.capability-card,
.coop-card,
.case-card,
.scenario-card,
.value-item {
  border-radius: 28px;
  border-color: rgba(255,255,255,.10);
}
.tech-card,
.capability-card,
.coop-card {
  padding: clamp(30px, 3vw, 46px);
}
.scenario-grid,
.cases-grid {
  gap: 28px;
}
.scenario-card img,
.case-thumb img {
  min-height: 338px;
  object-fit: cover;
}

/* 落地案例页专属放大布局 */
.cases-showcase .cases-container {
  width: min(1760px, calc(100% - 48px));
}
.cases-showcase .cases-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 36px;
}
.cases-showcase .case-thumb {
  height: 320px;
  background: rgba(7, 10, 18, .85);
}
.cases-showcase .case-thumb img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
  object-position: center;
}

.cases-showcase .case-body {
  padding: 28px;
}
.cases-showcase .case-body h4 {
  font-size: 22px;
}
.cases-showcase .case-body p {
  font-size: 17px;
  line-height: 1.72;
  color: rgba(255,255,255,.84);
}

@media (max-width: 1280px) {
  .cases-showcase .cases-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 768px) {
  .cases-showcase .cases-container {
    width: calc(100% - 36px);
  }
  .cases-showcase .cases-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .cases-showcase .case-thumb {
    height: 280px;
  }
  .cases-showcase .case-thumb img {
    min-height: 280px;
  }
}
.product-feature {
  padding: clamp(34px, 4vw, 64px);
  border-radius: 36px;
}

@media (max-width: 980px) {
  .brand-text { gap: 8px; }
  .brand-text > span { font-size: 16px; }
  .brand-text > strong { font-size: 23px; }
  .hv-hero-wide { padding-top: 50% !important; padding-left: 28px; padding-right: 28px; }
  .hv-hero-content { padding-bottom: 170px; }
  .hv-hero-metrics { grid-template-columns: repeat(2, 1fr); left: 24px; right: 24px; }
  .hv-hero-metrics div:nth-child(2) { border-right: none; }
  .hv-product-panels { grid-template-columns: 1fr; }
  .hv-product-panel { min-height: 560px; }
}

/* ========================================
   ABOUT PAGE - 关于我们页面专属样式
   ======================================== */
.about-advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  position: relative;
  z-index: 2;
  margin-top: 20px;
}
.about-adv-card {
  border: 1px solid var(--border);
  background: linear-gradient(145deg, rgba(255,255,255,.06), rgba(255,255,255,.01));
  border-radius: 28px;
  padding: clamp(28px, 3vw, 42px);
  text-align: left;
  transition: all .35s cubic-bezier(.16,1,.3,1);
}
.about-adv-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
}
.about-adv-icon {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(124,58,237,.9), rgba(56,189,248,.85));
  display: grid;
  place-items: center;
  margin-bottom: 22px;
}
.about-adv-icon svg { width: 28px; height: 28px; }
.about-adv-card h4 {
  font-size: clamp(19px, 2vw, 24px);
  font-weight: 800;
  margin-bottom: 12px;
  color: #fff;
  letter-spacing: -.01em;
}
.about-adv-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
}

@media (max-width: 1024px) {
  .about-advantage-grid { grid-template-columns: 1fr; gap: 20px; }
}

@media (max-width: 560px) {
  .nav-inner { height: 68px; padding: 0 14px; }
  .nav-links {
    top: calc(env(safe-area-inset-top, 0px) + 84px);
    max-height: calc(100dvh - 98px);
    left: 10px;
    right: 10px;
  }
  .logo-icon { width: 36px; height: 36px; }
  .brand-text { flex-direction: column; align-items: flex-start; gap: 1px; }
  .brand-text > span { font-size: 13px; line-height: 1; }
  .brand-text > strong { font-size: 19px; }
  .hv-hero-wide { padding-top: 56.25% !important; padding: 110px 20px 34px; }
  .hv-hero-title { font-size: 42px; }
  .hv-hero-content { padding-bottom: 180px; }
  .hv-hero-metrics { grid-template-columns: 1fr 1fr; bottom: 20px; left: 18px; right: 18px; }
  .hv-hero-metrics div { padding: 16px; }
  .hv-hero-metrics strong { font-size: 26px; }
  .hv-product-panel { min-height: 460px; border-radius: 24px; }
  .hv-panel-overlay { padding: 26px; }
  .product-vlog .tech-advantage-grid,
  .tech-advantage-grid[style*="repeat(3"] { grid-template-columns: 1fr !important; }
}

/* ========================================
   AI摄影系统页重构样式
   ======================================== */
.photo-redesign {
  background:
    radial-gradient(circle at top left, rgba(14,165,233,.12), transparent 28%),
    radial-gradient(circle at 88% 12%, rgba(249,115,22,.10), transparent 26%),
    linear-gradient(180deg, #07111b 0%, #091827 100%);
}
.photo-redesign .footer {
  background: rgba(4, 10, 18, .92);
}
.photo-section {
  position: relative;
  overflow: hidden;
}
.photo-section-alt {
  background: linear-gradient(180deg, rgba(7,17,27,.96), rgba(10,27,44,.98));
}
.photo-kicker {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid rgba(56,189,248,.28);
  background: rgba(14,165,233,.12);
  color: #bfe9ff;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.photo-card-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 16px;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: .06em;
  line-height: 1;
}
.photo-compare-card.traditional .photo-card-tag {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  border: none;
  color: #fff;
  box-shadow:
    0 0 0 2px rgba(239,68,68,.35),
    0 8px 28px rgba(220,38,38,.40),
    inset 0 1px 0 rgba(255,255,255,.25);
}
.photo-compare-card.solution .photo-card-tag {
  background: linear-gradient(135deg, #0ea5e9, #0284c7);
  border: none;
  color: #fff;
  box-shadow:
    0 0 0 2px rgba(14,165,233,.35),
    0 8px 28px rgba(2,132,199,.40),
    inset 0 1px 0 rgba(255,255,255,.25);
}
.photo-hero {
  position: relative;
  padding: 148px 0 96px;
  overflow: hidden;
}
.photo-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.55), transparent 90%);
  pointer-events: none;
}
.photo-hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(18px);
  pointer-events: none;
}
.photo-hero-glow-a {
  width: 420px;
  height: 420px;
  left: -120px;
  top: 40px;
  background: rgba(14,165,233,.16);
}
.photo-hero-glow-b {
  width: 360px;
  height: 360px;
  right: -80px;
  top: 80px;
  background: rgba(249,115,22,.16);
}
.photo-hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  gap: 40px;
  align-items: start;
}

.photo-hero-copy h1 {
  margin-top: 22px;
  font-size: clamp(44px, 6.2vw, 82px);
  line-height: 1.04;
  letter-spacing: -.05em;
  font-weight: 900;
}
.photo-hero-copy h1 span {
  display: block;
  margin-top: 14px;
  color: #8edbff;
}
.photo-lead {
  margin-top: 24px;
  max-width: 700px;
  font-size: 18px;
  line-height: 1.85;
  color: rgba(255,255,255,.76);
}
.photo-hero-actions {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.photo-hero-actions .btn {
  width: auto;
  min-width: 168px;
}
.photo-metrics {
  margin-top: 36px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.photo-metric {
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 24px;
  padding: 20px 22px;
  background: linear-gradient(145deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
  backdrop-filter: blur(18px);
}
.photo-metric strong {
  display: block;
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 6px;
}
.photo-metric span {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,.72);
}
.photo-hero-visual {
  position: relative;
  display: flex;
  align-items: stretch;
}
.photo-hero-main,
.photo-side-shot,
.photo-float-card,
.photo-media-card,
.photo-transform-card,
.photo-flow-card,
.photo-value-scene,
.photo-value-card,
.photo-quote-card,
.photo-pillar-card,
.photo-compare-card {
  box-shadow: 0 24px 70px rgba(0,0,0,.28);
}
.photo-hero-main {
  position: relative;
  width: 100%;
  min-height: 760px;
  border-radius: 34px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.12);
}
.photo-hero-main-single {
  min-height: 780px;
}
.photo-hero-main img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
}
.photo-side-shot {
  position: absolute;
  right: 0;
  top: 0;
  width: 210px;
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.14);
}
.photo-side-shot img {
  width: 100%;
  display: block;
}
.photo-float-card {
  position: absolute;
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  width: min(340px, 72%);
  padding: 14px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 28px;
  background: rgba(5, 11, 19, .84);
  backdrop-filter: blur(18px);
}
.photo-float-card img {
  width: 96px;
  height: 132px;
  border-radius: 18px;
  object-fit: cover;
}
.photo-float-card strong {
  display: block;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.35;
}
.photo-float-card span {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255,255,255,.72);
}
.photo-float-card-top {
  left: -14px;
  top: 56px;
}
.photo-float-card-bottom {
  right: 40px;
  bottom: 0;
}
.photo-chapter-nav {

  position: sticky;
  top: 88px;
  z-index: 30;
  padding: 0 0 22px;
  background: linear-gradient(180deg, rgba(7,17,27,.92), rgba(7,17,27,.55));
  backdrop-filter: blur(14px);
}
.photo-chapter-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 12px;
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 999px;
  background: rgba(255,255,255,.04);
}
.photo-chapter-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 112px;
  padding: 10px 18px;
  border-radius: 999px;
  color: rgba(255,255,255,.7);
  font-size: 14px;
  font-weight: 700;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}
.photo-chapter-links a:hover {
  background: rgba(56,189,248,.14);
  color: #fff;
  transform: translateY(-1px);
}
.photo-section-head {
  position: relative;
  z-index: 2;
  margin-bottom: 42px;
}
.photo-section-head h2 {
  margin-top: 12px;
  font-size: clamp(34px, 4.8vw, 64px);
  line-height: 1.08;
  letter-spacing: -.05em;
}
.photo-section-head p {
  margin-top: 16px;
  max-width: 840px;
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255,255,255,.7);
}
.photo-compare-grid,
.photo-hardware-strip,
.photo-pillars,
.photo-transform-grid,
.photo-value-grid {
  position: relative;
  z-index: 2;
}
.photo-compare-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}
.photo-compare-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 30px;
  border-radius: 30px;
  border: 1px solid rgba(255,255,255,.10);
  background: linear-gradient(145deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
}
.photo-compare-card.traditional {
  background: linear-gradient(180deg, rgba(248,113,113,.12), rgba(255,255,255,.03));
}
.photo-compare-card.solution {
  background: linear-gradient(180deg, rgba(14,165,233,.16), rgba(255,255,255,.03));
}
.photo-compare-card h3 {
  margin-top: 18px;
  font-size: 28px;
  line-height: 1.2;
}
.photo-compare-list {
  margin-top: 22px;
  display: grid;
  gap: 14px;
}
.photo-compare-list li {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 16px;
  border-radius: 20px;
  background: rgba(5,11,19,.42);
  border: 1px solid rgba(255,255,255,.06);
}
.photo-compare-index {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .08em;
}
.photo-compare-card.traditional .photo-compare-index {
  color: #ffd7d7;
  background: rgba(248,113,113,.16);
  border: 1px solid rgba(248,113,113,.28);
}
.photo-compare-card.solution .photo-compare-index {
  color: #a4e7ff;
  background: rgba(14,165,233,.18);
  border: 1px solid rgba(56,189,248,.32);
}
.photo-compare-list li > div {
  display: grid;
  gap: 6px;
}
.photo-compare-list strong {
  font-size: 17px;
  font-weight: 800;
  line-height: 1.35;
}
.photo-compare-list span {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,.72);
}
.photo-compare-summary {
  margin-top: 28px;
  padding: 28px 30px;
  border-radius: 30px;
  border: 1px solid rgba(255,255,255,.10);
  background: linear-gradient(135deg, rgba(14,165,233,.12), rgba(249,115,22,.10));
  box-shadow: 0 24px 70px rgba(0,0,0,.22);
}
.photo-compare-summary strong {
  display: block;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.2;
}
.photo-compare-summary span {
  display: block;
  margin-top: 12px;
  max-width: 880px;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(255,255,255,.78);
}
.photo-hardware-strip {

  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.photo-media-card {
  overflow: hidden;
  border-radius: 28px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
}
.photo-media-card img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}
.photo-media-card figcaption {
  padding: 18px 20px 20px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255,255,255,.72);
}
.photo-pillars {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.photo-pillar-card {
  padding: 26px;
  border-radius: 26px;
  border: 1px solid rgba(255,255,255,.10);
  background: linear-gradient(145deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
}
.photo-pillar-card h3 {
  font-size: 22px;
  line-height: 1.2;
}
.photo-pillar-card p {
  margin-top: 12px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255,255,255,.72);
}
.photo-transform-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  align-items: stretch;
}
.photo-transform-card {
  overflow: hidden;
  border-radius: 30px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
}
.photo-transform-card-wide {
  grid-column: span 2;
}
.photo-transform-card img {
  width: 100%;
  height: 540px;
  object-fit: cover;
}
.photo-transform-card-wide img {
  object-fit: contain;
  background: linear-gradient(180deg, rgba(244,246,248,.98), rgba(230,235,240,.95));
}
.photo-transform-body {
  padding: 34px 34px 38px;
}
.photo-transform-body h3 {
  font-size: 28px;
  font-weight: 800;
}
.photo-transform-body p {
  margin-top: 14px;
  font-size: 17px;
  line-height: 1.82;
  color: rgba(255,255,255,.72);
}
.photo-flow-card {
  position: relative;
  z-index: 2;
  margin-top: 30px;
  padding: 34px;
  border-radius: 34px;
  border: 1px solid rgba(255,255,255,.10);
  background: linear-gradient(145deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
}
.photo-flow-card-secondary {
  margin-top: 28px;
}
.photo-flow-head {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: 24px;
  align-items: end;
}
.photo-flow-head h3 {
  margin-top: 14px;
  font-size: 34px;
  line-height: 1.12;
}
.photo-flow-head p {
  font-size: 16px;
  line-height: 1.85;
  color: rgba(255,255,255,.72);
}
.photo-steps {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}
.photo-step {
  position: relative;
  padding: 22px 18px;
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(5,11,19,.42);
}
.photo-step:not(:last-child)::after {
  content: '→';
  position: absolute;
  right: -16px;
  top: 28px;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(14,165,233,.9), rgba(56,189,248,.8));
  color: #fff;
  font-weight: 900;
  box-shadow: 0 10px 24px rgba(14,165,233,.24);
}
.photo-step span {
  display: inline-block;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .12em;
  color: #82dbff;
}
.photo-step strong {
  display: block;
  margin-top: 10px;
  font-size: 18px;
  line-height: 1.35;
}
.photo-step p {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(255,255,255,.7);
}
.photo-flow-media {
  margin-top: 26px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.photo-flow-media img {
  width: 100%;
  height: 250px;
  border-radius: 24px;
  object-fit: cover;
  border: 1px solid rgba(255,255,255,.10);
}
.photo-flow-dashboard {
  object-fit: contain !important;
  background: linear-gradient(180deg, rgba(242,246,252,.98), rgba(231,237,246,.96));
  padding: 10px;
}
.photo-flow-media-unified {
  grid-template-columns: 1fr;
}
.photo-flow-media-unified img {
  height: 420px;
  object-fit: contain;
  background: linear-gradient(180deg, rgba(12,191,211,.20), rgba(10,169,196,.18));
}
.photo-flow-media-phones img {
  object-fit: contain;
  background: rgba(255,255,255,.02);
}
.photo-value-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  gap: 28px;
  align-items: stretch;
}
.photo-value-scene {
  position: relative;
  overflow: hidden;
  border-radius: 34px;
  border: 1px solid rgba(255,255,255,.10);
  min-height: 720px;
}
.photo-value-scene img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.photo-value-overlay {
  position: absolute;
  left: 26px;
  right: 26px;
  bottom: 26px;
  padding: 28px;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(5,11,19,.2), rgba(5,11,19,.9));
  backdrop-filter: blur(12px);
}
.photo-value-overlay h3 {
  margin-top: 14px;
  font-size: 34px;
  line-height: 1.12;
}
.photo-value-overlay p {
  margin-top: 14px;
  font-size: 16px;
  line-height: 1.82;
  color: rgba(255,255,255,.78);
}
.photo-value-grid {
  display: grid;
  gap: 20px;
}
.photo-value-card,
.photo-quote-card {
  padding: 30px;
  border-radius: 30px;
  border: 1px solid rgba(255,255,255,.10);
  background: linear-gradient(145deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
}
.photo-value-card h3 {
  font-size: 28px;
  line-height: 1.15;
}
.photo-value-card p {
  margin-top: 12px;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(255,255,255,.72);
}
.photo-quote-card {
  background: linear-gradient(135deg, rgba(249,115,22,.14), rgba(14,165,233,.12));
}
.photo-quote-card strong {
  display: block;
  font-size: 32px;
  line-height: 1.25;
  letter-spacing: -.03em;
}
.photo-quote-card span {
  display: block;
  margin-top: 14px;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(255,255,255,.74);
}
.photo-final-cta {
  padding-top: 86px;
}
.photo-final-cta-inner {
  position: relative;
  z-index: 2;
  padding: 40px;
  border-radius: 34px;
  border: 1px solid rgba(255,255,255,.10);
  background: linear-gradient(135deg, rgba(14,165,233,.14), rgba(249,115,22,.12));
  text-align: center;
}
.photo-final-cta-inner h2 {
  margin-top: 16px;
  font-size: clamp(34px, 4.5vw, 58px);
  line-height: 1.08;
  letter-spacing: -.05em;
}
.photo-final-cta-inner p {
  max-width: 820px;
  margin: 18px auto 0;
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255,255,255,.76);
}
.photo-final-cta-inner .photo-hero-actions {
  justify-content: center;
}
@media (max-width: 1280px) {
  .photo-transform-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .photo-steps { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .photo-step:nth-child(3)::after { display: none; }
  .photo-value-layout,
  .photo-hero-inner,
  .photo-flow-head { grid-template-columns: 1fr; }
  .photo-value-scene { min-height: 560px; }
}
@media (max-width: 980px) {
  .photo-hero { padding-top: 126px; }
  .photo-hero-visual { min-height: auto; display: block; }
  .photo-hero-main,
  .photo-side-shot,
  .photo-float-card,
  .photo-float-card-top,
  .photo-float-card-bottom {
    position: static;
    width: 100%;
  }
  .photo-hero-main,
  .photo-hero-main-single { inset: auto; min-height: 420px; }
  .photo-side-shot { max-width: 260px; }
  .photo-metrics,
  .photo-compare-grid,
  .photo-hardware-strip,
  .photo-pillars,
  .photo-flow-media { grid-template-columns: 1fr; }
  .photo-flow-media-phones { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .photo-chapter-nav { top: 76px; }
}

@media (max-width: 768px) {
  .photo-hero-copy h1 { font-size: clamp(36px, 10vw, 54px); }
  .photo-lead,
  .photo-section-head p,
  .photo-flow-head p,
  .photo-value-overlay p,
  .photo-value-card p,
  .photo-final-cta-inner p { font-size: 15px; }
  .photo-metrics,
  .photo-flow-media,
  .photo-value-grid,
  .photo-flow-media-phones { grid-template-columns: 1fr; }
  .photo-transform-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .photo-transform-card-wide {
    grid-column: span 2;
  }
  .photo-compare-list li { grid-template-columns: 56px minmax(0, 1fr); }


  .photo-steps { grid-template-columns: 1fr; }
  .photo-step:not(:last-child)::after { display: none; }
  .photo-chapter-links {
    border-radius: 28px;
    justify-content: center;
  }
  .photo-chapter-links a {
    min-width: calc(50% - 6px);
  }

  .photo-flow-card,
  .photo-compare-card,
  .photo-value-card,
  .photo-quote-card,
  .photo-pillar-card,
  .photo-final-cta-inner { padding: 24px; }
}
@media (max-width: 560px) {
  .photo-hero { padding-top: 110px; }
  .photo-kicker { font-size: 11px; }
  .photo-card-tag {
    padding: 10px 22px;
    font-size: 16px;
    border-radius: 12px;
  }
  .photo-hero-actions { flex-direction: column; }
  .photo-hero-actions .btn { width: 100%; }
  .photo-chapter-links a { min-width: 100%; }
  .photo-hero-main,
  .photo-hero-main-single { min-height: 320px; }
  .photo-side-shot { max-width: none; }

  .photo-media-card img,
  .photo-flow-media img,
  .photo-transform-card img { height: 340px; }
  .photo-transform-card-wide img { height: 260px; }
  .photo-value-scene { min-height: 400px; }
  .photo-value-overlay h3,
  .photo-flow-head h3,
  .photo-compare-card h3,
  .photo-value-card h3,
  .photo-quote-card strong { font-size: 26px; }
}

/* ========================================
   NEWS PAGE - 公司新闻 & 新品速递
   ======================================== */

/* --- 置顶大图新闻（左文右图） --- */
.news-featured {
  position: relative;
  z-index: 2;
  margin-bottom: 40px;
}
.news-featured-card {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: all .4s cubic-bezier(.16,1,.3,1);
}
.news-featured-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-lg), 0 0 60px rgba(124,58,237,.12);
}
.news-featured-img {
  position: relative;
  height: 420px;
  overflow: hidden;
}
.news-featured-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.news-featured-card:hover .news-featured-img img { transform: scale(1.06); }
.news-badge {
  position: absolute;
  top: 18px;
  left: 18px;
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
  backdrop-filter: blur(12px);
  z-index: 3;
}
.news-badge-hot {
  color: #fff;
  background: linear-gradient(135deg, #ef4444, #f97316);
  box-shadow: 0 8px 24px rgba(239,68,68,.35);
}
.news-featured-body {
  padding: 36px 38px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* --- 新闻元信息 --- */
.news-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}
.news-date {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}
.news-tag {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--accent-blue);
  background: rgba(56,189,248,.12);
  border: 1px solid rgba(56,189,248,.2);
}
.news-featured-body h3 {
  font-size: 22px;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -.02em;
  margin-bottom: 16px;
}
.news-featured-body p {
  font-size: 15px;
  line-height: 1.82;
  color: var(--text-secondary);
  margin-bottom: 10px;
}
.news-read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-blue);
  transition: all .25s ease;
}
.news-read-more svg { transition: transform .25s ease; }
.news-read-more:hover {
  color: var(--accent-cyan);
  gap: 10px;
}
.news-read-more:hover svg { transform: translateX(4px); }

/* --- 新闻网格列表 --- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  position: relative;
  z-index: 2;
}
.news-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  transition: all .3s ease;
}
.news-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
}
.news-card-img {
  height: 190px;
  overflow: hidden;
  position: relative;
}
.news-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.news-card:hover .news-card-img img { transform: scale(1.08); }
.news-card-body {
  padding: 20px 22px 24px;
}
.news-card-body .news-meta { margin-bottom: 10px; }
.news-card-body h4 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 10px;
  letter-spacing: -.01em;
}
.news-card-body p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}

/* --- 新品速递时间线 --- */
.product-timeline {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 0 auto;
  padding-left: 48px;
}
.product-timeline::before {
  content: '';
  position: absolute;
  left: 19px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: linear-gradient(180deg, rgba(56,189,248,.4), rgba(124,58,237,.15));
  border-radius: 2px;
}
.product-timeline-item {
  position: relative;
  margin-bottom: 28px;
}
.product-timeline-item:last-child { margin-bottom: 0; }

/* 时间轴标记 */
.timeline-marker {
  position: absolute;
  left: -48px;
  top: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  width: 52px;
}
.timeline-dot {
  display: block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--accent-blue);
  flex-shrink: 0;
  box-shadow: 0 0 12px rgba(56,189,248,.25);
  position: relative;
  z-index: 2;
}
.timeline-latest .timeline-dot {
  background: var(--accent-blue);
  box-shadow: 0 0 20px rgba(56,189,248,.5), 0 0 40px rgba(56,189,248,.2);
  animation: timeline-pulse 2s ease-in-out infinite;
}
@keyframes timeline-pulse {
  0%, 100% { box-shadow: 0 0 20px rgba(56,189,248,.5), 0 0 40px rgba(56,189,248,.2); }
  50% { box-shadow: 0 0 28px rgba(56,189,248,.7), 0 0 56px rgba(56,189,248,.35); }
}
.timeline-date {
  font-size: 13px;
  font-weight: 800;
  color: var(--text-muted);
  letter-spacing: .04em;
  white-space: nowrap;
}
.timeline-latest .timeline-date {
  color: var(--accent-blue);
}

/* 产品更新卡片 */
.product-update-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: linear-gradient(145deg, rgba(255,255,255,.04), rgba(255,255,255,.01));
  padding: 28px 30px 32px;
  transition: all .35s cubic-bezier(.16,1,.3,1);
  position: relative;
  overflow: hidden;
}
.product-update-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 0% 0%, rgba(56,189,248,.05), transparent 70%);
  opacity: 0;
  transition: opacity .35s ease;
}
.product-update-card:hover {
  border-color: var(--border-hover);
  transform: translateX(6px);
  box-shadow: var(--shadow-sm);
}
.product-update-card:hover::before { opacity: 1; }
.product-update-highlighted {
  border-color: rgba(56,189,248,.25);
  background: linear-gradient(145deg, rgba(56,189,248,.08), rgba(124,58,237,.03));
}
.update-badge {
  position: absolute;
  top: -1px;
  right: 24px;
  padding: 4px 16px;
  border-radius: 0 0 10px 10px;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .12em;
  color: #fff;
  background: linear-gradient(135deg, #7c3aed, #38bdf8);
  z-index: 3;
}
.update-content { position: relative; z-index: 2; }
.product-update-card h4 {
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: 14px;
  padding-right: 80px;
}
.update-desc {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 14px;
}
.update-feature-list {
  list-style: none;
  display: grid;
  gap: 10px;
  margin-bottom: 16px;
}
.update-feature-list li {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
  padding-left: 20px;
  position: relative;
}
.update-feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-cyan);
  flex-shrink: 0;
}
.update-feature-list strong { color: var(--text-primary); }
.update-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.update-tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-cyan);
  background: rgba(34,211,238,.1);
  border: 1px solid rgba(34,211,238,.18);
}

/* ========================================
   NEWS PAGE - 响应式
   ======================================== */
@media (max-width: 1280px) {
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .news-featured-card { grid-template-columns: 1fr 1fr; }
  .news-featured-img { height: 360px; }
}
@media (max-width: 980px) {
  .news-featured-card { grid-template-columns: 1fr; }
  .news-featured-img { height: 280px; order: -1; }
  .product-timeline { padding-left: 40px; }
  .timeline-marker { left: -40px; width: 42px; }
}
@media (max-width: 768px) {
  .news-grid { grid-template-columns: 1fr; }
  .news-featured-img { height: 240px; }
  .news-featured-body { padding: 26px 24px 30px; }
  .news-featured-body h3 { font-size: 19px; }
  .news-featured-body p { font-size: 14px; }
  .product-timeline { padding-left: 36px; }
  .timeline-marker { left: -36px; }
  .product-update-card { padding: 22px 20px 26px; }
  .product-update-card h4 { font-size: 16px; padding-right: 60px; }
  .update-desc { font-size: 14px; }
  .update-feature-list li { font-size: 13px; }
}
@media (max-width: 560px) {
  .news-featured-img { height: 200px; }
  .news-featured-body { padding: 20px 18px 24px; }
  .news-featured-body h3 { font-size: 17px; }
  .product-timeline { padding-left: 32px; }
  .timeline-marker { left: -32px; }
  .timeline-date { font-size: 12px; }
  .product-update-card { padding: 18px 16px 22px; }
  .product-update-card h4 { font-size: 15px; padding-right: 55px; }
  .update-badge { right: 16px; padding: 3px 12px; font-size: 10px; }
}

/* ========================================
   GLOBAL MOBILE SAFETY - 防止小屏溢出与错位
   ======================================== */
@media (max-width: 768px) {
  .container {
    padding-left: 14px;
    padding-right: 14px;
  }

  .section-header h2,
  .hv-hero-title,
  .case-body h4,
  .news-card-body h4,
  .product-update-card h4 {
    word-break: break-word;
    overflow-wrap: anywhere;
  }

  .section-header p,
  .case-body p,
  .news-card-body p,
  .update-desc,
  .update-feature-list li {
    overflow-wrap: anywhere;
  }

  .hv-hero-actions,
  .news-meta,
  .update-tags {
    flex-wrap: wrap;
  }

  /* 手机一级菜单：降低遮挡、允许完整滚动显示 */
  .nav {
    z-index: 1400;
  }
  .nav-links {
    top: calc(env(safe-area-inset-top, 0px) + 68px);
    max-height: calc(100dvh - env(safe-area-inset-top, 0px) - 78px);
    padding-bottom: calc(14px + env(safe-area-inset-bottom, 0px));
    overflow-y: auto;
  }
  .nav-dropdown-menu {
    left: 0;
    min-width: 0;
    width: 100%;
    transform: none;
    margin-top: 8px;
  }
  .nav-dropdown.open .nav-dropdown-menu {
    display: grid;
    gap: 6px;
    max-height: none;
    overflow: visible;
  }
  .nav-dropdown-menu a {
    align-items: flex-start;
    width: 100%;
    box-sizing: border-box;
  }
  .nav-dropdown-menu small {
    white-space: normal;
  }

  /* 首屏给固定导航预留空间，避免标题被遮挡 */
  .hv-hero-wide {
    position: relative;
    height: auto !important;
    min-height: 640px;
    padding-top: calc(72px + env(safe-area-inset-top, 0px)) !important;
    padding-left: 14px;
    padding-right: 14px;
    padding-bottom: 24px;
    overflow: visible;
    display: flex !important;
    flex-direction: column;
    justify-content: flex-end;
  }
  .hv-hero-content {
    width: 100%;
    padding-bottom: 0;
    z-index: 2;
  }
  .hv-hero-title {
    font-size: clamp(34px, 9vw, 48px);
    line-height: 1.15;
  }
  .hv-slogan {
    font-size: 16px;
    line-height: 1.55;
  }
  .hv-hero-metrics {
    position: relative;
    left: auto;
    right: auto;
    bottom: auto;
    margin-top: 20px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-radius: 16px;
    overflow: hidden;
  }
  .hv-hero-metrics div {
    padding: 14px 12px;
  }
  .hv-hero-metrics strong {
    font-size: 24px;
  }
  .hv-hero-metrics span {
    font-size: 12px;
    line-height: 1.45;
  }

  /* 图片与容器同步缩放：移除多余黑边，按内容自适应高度 */
  .hv-product-panel {
    min-height: 0 !important;
    border-radius: 18px;
    background: transparent;
  }
  .hv-product-panel img {
    position: relative !important;
    inset: auto !important;
    width: 100%;
    height: auto !important;
    object-fit: cover !important;
  }

  .case-thumb,
  .news-card-img,
  .news-featured-img,
  .media-main,
  .photo-media-card,
  .photo-transform-card,
  .photo-flow-media {
    height: auto !important;
    min-height: 0 !important;
    background: transparent;
  }

  .case-thumb img,
  .news-card-img img,
  .news-featured-img img,
  .media-main img,
  .media-main video,
  .photo-media-card img,
  .photo-transform-card img,
  .photo-flow-media img {
    width: 100%;
    height: auto !important;
    min-height: 0 !important;
    aspect-ratio: auto !important;
    object-fit: cover;
    background: transparent !important;
  }
}

@media (max-width: 560px) {
  .nav-links {
    top: calc(env(safe-area-inset-top, 0px) + 74px);
    max-height: calc(100dvh - env(safe-area-inset-top, 0px) - 84px);
    left: 8px;
    right: 8px;
  }

  .hv-hero-wide {
    min-height: 600px;
    padding-top: calc(76px + env(safe-area-inset-top, 0px)) !important;
    padding-left: 10px;
    padding-right: 10px;
    padding-bottom: 18px;
  }
  .hv-hero-title {
    font-size: clamp(30px, 8.6vw, 42px);
  }
  .hv-hero-metrics {
    grid-template-columns: 1fr;
    margin-top: 16px;
  }
  .hv-hero-metrics div {
    border-right: none;
    border-bottom: 1px solid rgba(255,255,255,.1);
  }
  .hv-hero-metrics div:last-child {
    border-bottom: none;
  }
}

/* ========================================
   MOBILE HOTFIX v20260519-006
   解决：菜单偏移、产品卡片大小不一、案例文案比例过大
   ======================================== */
@media (max-width: 900px) {
  /* 1) 产品方案下拉在手机端固定贴齐，不受桌面 hover 平移动画影响 */
  .nav-dropdown .nav-dropdown-menu,
  .nav-dropdown:hover .nav-dropdown-menu,
  .nav-dropdown.open .nav-dropdown-menu {
    left: 0 !important;
    right: 0 !important;
    min-width: 0 !important;
    width: 100% !important;
    transform: none !important;
    margin-left: 0 !important;
  }

  /* 2) 首页两大产品卡片统一比例与高度，禁用触屏 hover 放大残留 */
  .hv-product-panels {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }
  .hv-product-panel {
    position: relative !important;
    min-height: 0 !important;
    height: auto !important;
    aspect-ratio: 16 / 10 !important;
    overflow: hidden !important;
  }
  .hv-product-panel img,
  .hv-product-panel:hover img {
    position: absolute !important;
    inset: 0 !important;
    width: 100% !important;
    height: 100% !important;
    transform: none !important;
    object-fit: cover !important;
  }

  /* 2.1) 首页两大产品大图文案下移并防截断 */
  .hv-products-showcase .hv-panel-overlay {
    justify-content: flex-end !important;
    padding: 20px 16px 18px !important;
  }
  .hv-products-showcase .hv-panel-overlay h3 {
    margin-top: 10px !important;
    font-size: 22px !important;
    line-height: 1.28 !important;
    letter-spacing: 0 !important;
    overflow: visible !important;
  }
  .hv-products-showcase .hv-panel-overlay p {
    margin-top: 10px !important;
    font-size: 13px !important;
    line-height: 1.55 !important;
  }

  /* 3) 案例页图下文字跟随手机端缩放，维持图文比例 */
  .cases-showcase .case-body {
    padding: 12px 12px 14px !important;
  }

  .cases-showcase .case-body h4 {
    font-size: 14px !important;
    line-height: 1.35 !important;
    margin-bottom: 6px !important;
  }
  .cases-showcase .case-body p {
    font-size: 12px !important;
    line-height: 1.55 !important;
  }
}

@media (max-width: 560px) {
  .hv-products-showcase .hv-panel-overlay {
    padding: 16px 12px 14px !important;
  }
  .hv-products-showcase .hv-panel-overlay h3 {
    font-size: 19px !important;
    line-height: 1.3 !important;
    margin-top: 8px !important;
  }
  .hv-products-showcase .hv-panel-overlay p {
    font-size: 12px !important;
    line-height: 1.5 !important;
    margin-top: 8px !important;
  }

  .cases-showcase .case-body h4 {
    font-size: 13px !important;
  }
  .cases-showcase .case-body p {
    font-size: 11px !important;
    line-height: 1.5 !important;
  }
}


/* ========== 新闻详情页样式 ========== */
.news-detail-hero {
  position: relative;
  min-height: 420px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: flex-end;
}
.news-detail-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7,11,23,.92) 0%, rgba(7,11,23,.5) 50%, rgba(7,11,23,.2) 100%);
}
.news-detail-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
  padding: 60px 24px 80px;
}
.news-detail-content h1 {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
  color: #fff;
}
.news-detail-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.news-detail-date {
  font-size: 14px;
  color: rgba(255,255,255,.65);
}
.news-detail-body {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 40px 44px;
  box-shadow: var(--shadow-sm);
  line-height: 1.85;
  font-size: 16px;
  color: var(--text-primary);
  margin-top: -40px;
  position: relative;
  z-index: 2;
}
.news-detail-body img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  margin: 20px 0;
}
.news-detail-body p {
  margin-bottom: 18px;
}
.news-detail-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 32px;
  color: var(--accent-blue);
  font-weight: 600;
  text-decoration: none;
  transition: gap .2s;
}
.news-detail-back:hover { gap: 12px; }

/* ========== 新闻可点击状态 ========== */
.news-clickable {
  cursor: pointer;
  transition: transform .25s ease, box-shadow .25s ease;
}
.news-clickable:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

/* ========== 历史新闻列表样式 ========== */
.news-history-section {
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}
.news-history-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.news-history-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
  transition: background .15s;
  border-radius: 8px;
  padding-left: 12px;
  padding-right: 12px;
}
.news-history-item:hover {
  background: rgba(56,189,248,.06);
}
.news-history-item:last-child {
  border-bottom: none;
}
.news-history-info {
  flex: 1;
  min-width: 0;
}
.news-history-item h5 {
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 4px;
  color: var(--text-primary);
}
.news-history-item .news-date {
  font-size: 13px;
  color: var(--text-muted);
}
.news-history-arrow {
  color: var(--accent-blue);
  font-size: 18px;
  flex-shrink: 0;
  margin-left: 16px;
}
.news-history-more {
  display: flex;
  justify-content: flex-end;
  padding: 20px 0 4px;
}
.news-view-more-btn {
  font-size: 14px;
  padding: 8px 20px;
}

/* ========== 新闻详情响应式适配 ========== */
@media (max-width: 768px) {
  .news-detail-hero { min-height: 280px; }
  .news-detail-content { padding: 40px 16px 60px; }
  .news-detail-body { padding: 24px 20px; font-size: 15px; margin-top: -30px; }
}