/* ============================================
   尚玖玖精机 SJJ - 全局样式
   设计令牌：深蓝+金色商务工业风
   ============================================ */

:root {
  /* 主色：深蓝系列 */
  --primary: #0e3a70;
  --primary-light: #1e5aa8;
  --primary-dark: #082246;
  --primary-gradient: linear-gradient(135deg, #0e3a70 0%, #1e5aa8 100%);

  /* 辅色：金色系列 */
  --accent: #3f92e0;
  --accent-light: #85c1f2;
  --accent-dark: #1e6cc0;
  --accent-gradient: linear-gradient(135deg, #3f92e0 0%, #1e6cc0 100%);

  /* 中性色 */
  --bg: #ffffff;
  --bg-light: #f8fafc;
  --bg-gray: #f1f5f9;
  --bg-dark: #0e3a70;
  --text: #1a1a1a;
  --text-light: #6b7280;
  --text-lighter: #9ca3af;
  --text-on-dark: #e5e7eb;
  --border: #e5e7eb;
  --border-light: #f1f5f9;

  /* 排版 */
  --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-display: "Helvetica Neue", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  --font-mono: "SF Mono", Consolas, monospace;

  /* 间距 */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-8: 48px;
  --space-10: 64px;
  --space-12: 96px;
  --space-16: 128px;

  /* 圆角 */
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* 阴影 */
  --shadow-sm: 0 1px 2px rgba(14, 58, 112, 0.06);
  --shadow: 0 4px 12px rgba(14, 58, 112, 0.08);
  --shadow-lg: 0 12px 32px rgba(14, 58, 112, 0.12);
  --shadow-xl: 0 24px 60px rgba(14, 58, 112, 0.16);

  /* 容器 */
  --container-max: 1280px;
  --container-pad: 20px;

  /* 过渡 */
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============== Reset ============== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
  letter-spacing: -0.01em;
}

/* ============== 容器 ============== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}
.container-wide {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

/* ============== Section ============== */
.section { padding: var(--space-12) 0; }
.section-sm { padding: var(--space-8) 0; }
.section-lg { padding: var(--space-16) 0; }
.section-dark {
  background: var(--bg-dark);
  color: var(--text-on-dark);
}
.section-dark h1, .section-dark h2, .section-dark h3, .section-dark h4 { color: #fff; }
.section-light { background: var(--bg-light); }

/* ============== Section Title ============== */
.section-title {
  text-align: center;
  margin-bottom: var(--space-10);
}
.section-title .eyebrow {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-3);
  position: relative;
  padding: 0 var(--space-5);
}
.section-title .eyebrow::before,
.section-title .eyebrow::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 24px;
  height: 1px;
  background: var(--accent);
}
.section-title .eyebrow::before { right: 100%; }
.section-title .eyebrow::after { left: 100%; }
.section-title h2 {
  font-size: clamp(28px, 4vw, 42px);
  margin-bottom: var(--space-3);
  font-weight: 800;
}
.section-title p {
  font-size: 16px;
  color: var(--text-light);
  max-width: 720px;
  margin: 0 auto;
}
.section-dark .section-title p { color: rgba(255,255,255,0.7); }

/* ============== Button ============== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  line-height: 1.2;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover {
  background: var(--primary-light);
  border-color: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.btn-accent {
  background: var(--accent-gradient);
  color: #fff;
  border-color: var(--accent);
}
.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(63, 146, 224, 0.4);
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
}
.btn-outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.4);
}
.btn-outline-light:hover {
  background: #fff;
  color: var(--primary);
  border-color: #fff;
}
.btn-lg { padding: 16px 36px; font-size: 16px; }
.btn-sm { padding: 8px 18px; font-size: 13px; }
.btn i { font-size: 14px; }

/* ============== Top Bar (顶部联系信息) ============== */
.topbar {
  background: var(--primary-dark);
  color: var(--text-on-dark);
  font-size: 13px;
  padding: 8px 0;
}
.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-5);
  flex-wrap: wrap;
}
.topbar-info {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
}
.topbar-info span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  opacity: 0.9;
}
.topbar-info i { color: var(--accent); font-size: 12px; }
.topbar-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-weight: 600;
}
.topbar-cta:hover { color: var(--accent-light); }

/* ============== Navbar ============== */
.navbar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  gap: var(--space-6);
}
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 800;
  flex-shrink: 0;
}
.logo-mark {
  width: 44px;
  height: 44px;
  background: var(--primary-gradient);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 18px;
  font-weight: 900;
  position: relative;
  overflow: hidden;
}
.logo-mark::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
}
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-text strong { font-size: 18px; color: var(--primary); letter-spacing: 0.02em; }
.logo-text span { font-size: 11px; color: var(--text-light); letter-spacing: 0.15em; text-transform: uppercase; }

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex: 1;
  justify-content: center;
}
.nav-menu > li > a {
  display: block;
  padding: 28px 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  position: relative;
  transition: color var(--transition);
}
.nav-menu > li > a::after {
  content: "";
  position: absolute;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: width var(--transition);
}
.nav-menu > li > a:hover,
.nav-menu > li > a.active {
  color: var(--primary);
}
.nav-menu > li > a:hover::after,
.nav-menu > li > a.active::after {
  width: 24px;
}
.nav-cta { display: flex; gap: var(--space-3); align-items: center; flex-shrink: 0; }
.nav-phone {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 700;
  font-size: 15px;
}
.nav-phone i { color: var(--accent); }
.nav-phone small { display: block; font-size: 11px; color: var(--text-light); font-weight: 400; }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  width: 36px;
  height: 36px;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--primary);
  transition: all var(--transition);
}

/* ============== Hero ============== */
/* hero 升级版已移至末尾，保留此节仅为兼容 */
.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-10);
  align-items: center;
}
.hero-content { max-width: 640px; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 8px 16px;
  background: rgba(63, 146, 224, 0.15);
  border: 1px solid rgba(63, 146, 224, 0.3);
  color: var(--accent-light);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-5);
}
.hero-eyebrow i { color: var(--accent); }
.hero h1 {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  margin-bottom: var(--space-5);
}
.hero h1 .accent { color: var(--accent); }
.hero p {
  font-size: 17px;
  line-height: 1.7;
  color: rgba(255,255,255,0.85);
  margin-bottom: var(--space-8);
  max-width: 580px;
}
.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.hero-stats {
  display: flex;
  gap: var(--space-8);
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255,255,255,0.15);
}
.hero-stat strong {
  display: block;
  font-size: 32px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 6px;
}
.hero-stat span { font-size: 13px; color: rgba(255,255,255,0.7); }

/* Hero 视觉区 */
.hero-visual {
  position: relative;
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-machine {
  width: 100%;
  height: 100%;
  position: relative;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0.02) 100%);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(8px);
}
.hero-machine::before {
  content: "";
  position: absolute;
  inset: 16px;
  border: 1px dashed rgba(63, 146, 224, 0.3);
  border-radius: var(--radius);
}
.hero-machine .machine-tag {
  position: absolute;
  top: 24px;
  left: 24px;
  padding: 6px 14px;
  background: var(--accent-gradient);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  letter-spacing: 0.1em;
}
.hero-machine .machine-svg {
  width: 70%;
  height: auto;
  color: var(--accent);
  opacity: 0.85;
}
.hero-machine .machine-corner {
  position: absolute;
  width: 32px;
  height: 32px;
  border: 2px solid var(--accent);
}
.hero-machine .machine-corner.tl { top: 12px; left: 12px; border-right: 0; border-bottom: 0; }
.hero-machine .machine-corner.tr { top: 12px; right: 12px; border-left: 0; border-bottom: 0; }
.hero-machine .machine-corner.bl { bottom: 12px; left: 12px; border-right: 0; border-top: 0; }
.hero-machine .machine-corner.br { bottom: 12px; right: 12px; border-left: 0; border-top: 0; }

/* Hero 真实图片视觉 */
.hero-image-main {
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,0.4), 0 0 0 1px rgba(63,146,224,0.3);
  position: relative;
  z-index: 2;
}
.hero-image-main img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero-image-sub {
  position: absolute;
  width: 42%;
  aspect-ratio: 3/2;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0,0,0,0.45), 0 0 0 2px rgba(63,146,224,0.4);
  z-index: 3;
  animation: heroFloat 6s ease-in-out infinite;
}
.hero-image-sub img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero-image-sub-1 { top: -8%; right: -10%; animation-delay: 0s; }
.hero-image-sub-2 { bottom: -10%; left: -8%; animation-delay: 3s; }
@keyframes heroFloat {
  0%, 100% { transform: translateY(0) rotate(0); }
  50% { transform: translateY(-12px) rotate(-2deg); }
}
.hero-floating-badge {
  position: absolute;
  top: 12%;
  left: -8%;
  background: rgba(14, 58, 112, 0.92);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(63,146,224,0.4);
  border-radius: var(--radius);
  padding: 14px 20px;
  display: flex; flex-direction: column;
  align-items: center; gap: 4px;
  color: #fff;
  z-index: 4;
  box-shadow: 0 12px 32px rgba(0,0,0,0.35);
  animation: badgeFloat 4s ease-in-out infinite;
}
.hero-floating-badge i { font-size: 24px; color: var(--accent); margin-bottom: 2px; }
.hero-floating-badge strong { font-size: 14px; color: var(--accent-light); letter-spacing: 0.05em; }
.hero-floating-badge span { font-size: 11px; color: rgba(255,255,255,0.7); }
@keyframes badgeFloat {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-8px) scale(1.03); }
}
.hero-subtitle { font-size: 17px; line-height: 1.7; color: rgba(255,255,255,0.85); margin-bottom: var(--space-6); max-width: 580px; }
.hero-cta { display: flex; gap: var(--space-4); flex-wrap: wrap; margin-top: var(--space-6); }
.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.4);
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.12);
  border-color: #fff;
  color: #fff;
}
.hero-content .eyebrow {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  background: rgba(63,146,224,0.15);
  border: 1px solid rgba(63,146,224,0.3);
  color: var(--accent-light);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-5);
}

/* ============== Stats 数据统计 ============== */
.stats-section {
  background: var(--bg-light);
  padding: var(--space-10) 0;
  position: relative;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}
.stat-card {
  background: #fff;
  padding: var(--space-8) var(--space-5);
  border-radius: var(--radius-lg);
  text-align: center;
  border: 1px solid var(--border-light);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--accent-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}
.stat-card:hover::before { transform: scaleX(1); }
.stat-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-4);
  background: var(--primary);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 24px;
}
.stat-card strong {
  display: block;
  font-size: 40px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: var(--space-2);
  font-family: var(--font-display);
}
.stat-card strong small { font-size: 18px; color: var(--accent); font-weight: 700; }
.stat-card span { font-size: 14px; color: var(--text-light); }

/* ============== Product Card ============== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.product-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent);
}
.product-image {
  aspect-ratio: 4/3;
  background: var(--primary-gradient);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-image::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 30px 30px;
}
.product-image .machine-icon {
  color: var(--accent);
  font-size: 80px;
  opacity: 0.9;
  z-index: 1;
}
.product-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 5px 12px;
  background: var(--accent-gradient);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  z-index: 2;
  letter-spacing: 0.05em;
}
.product-body {
  padding: var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}
.product-card h3 {
  font-size: 22px;
  margin-bottom: var(--space-2);
  color: var(--primary);
}
.product-card .model {
  font-size: 13px;
  color: var(--accent-dark);
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}
.product-card .desc {
  color: var(--text-light);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: var(--space-5);
  flex: 1;
}
.product-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  padding: var(--space-4) 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  margin-bottom: var(--space-5);
}
.product-meta div {
  font-size: 13px;
}
.product-meta strong {
  display: block;
  font-size: 14px;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 2px;
}
.product-meta span { color: var(--text-light); font-size: 12px; }
.product-actions {
  display: flex;
  gap: var(--space-3);
}
.product-actions .btn { flex: 1; }

/* ============== About Block ============== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: center;
}
.about-visual {
  aspect-ratio: 1;
  background: var(--primary-gradient);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  padding: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 30px 30px;
}
.about-visual-inner {
  position: relative;
  text-align: center;
  color: #fff;
}
.about-visual-inner .big-num {
  font-size: 96px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: var(--space-3);
}
.about-visual-inner h3 {
  font-size: 22px;
  color: #fff;
  margin-bottom: var(--space-3);
}
.about-visual-inner p { color: rgba(255,255,255,0.8); }

.about-content .eyebrow { color: var(--accent); font-weight: 700; letter-spacing: 0.15em; font-size: 13px; }
.about-content h2 {
  font-size: clamp(28px, 4vw, 40px);
  margin: var(--space-3) 0 var(--space-5);
  line-height: 1.25;
}
.about-content p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: var(--space-4);
}
.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin: var(--space-6) 0;
}
.about-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}
.about-feature i {
  color: var(--accent);
  font-size: 18px;
  margin-top: 4px;
}
.about-feature strong {
  display: block;
  color: var(--primary);
  margin-bottom: 4px;
  font-size: 15px;
}
.about-feature span { font-size: 13px; color: var(--text-light); }

/* ============== Feature Cards (Why Us) ============== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.feature-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  padding: var(--space-8) var(--space-5);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  position: relative;
}
.feature-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: var(--accent);
  transform: translateY(-4px);
}
.feature-icon {
  width: 64px;
  height: 64px;
  background: var(--accent-gradient);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 28px;
  margin-bottom: var(--space-5);
}
.feature-card h4 {
  font-size: 20px;
  color: #fff;
  margin-bottom: var(--space-3);
}
.feature-card p {
  color: rgba(255,255,255,0.7);
  font-size: 14px;
  line-height: 1.7;
}

/* ============== Application / Industry ============== */
.applications-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-5);
}
.application-card {
  background: #fff;
  padding: var(--space-6) var(--space-4);
  text-align: center;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.application-card:hover {
  border-color: var(--accent);
  background: var(--bg-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.application-card i {
  font-size: 36px;
  color: var(--primary);
  margin-bottom: var(--space-3);
}
.application-card h5 {
  font-size: 15px;
  color: var(--text);
  font-weight: 600;
}

/* ============== News ============== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.news-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.news-thumb {
  aspect-ratio: 16/10;
  background: var(--primary-gradient);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.news-thumb i { font-size: 48px; color: var(--accent); opacity: 0.7; }
.news-thumb .date {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 14px;
  background: rgba(0,0,0,0.5);
  color: #fff;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
  backdrop-filter: blur(4px);
}
.news-body {
  padding: var(--space-5);
  flex: 1;
  display: flex;
  flex-direction: column;
}
.news-tag {
  display: inline-block;
  padding: 3px 10px;
  background: rgba(63, 146, 224, 0.15);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-3);
  align-self: flex-start;
}
.news-card h4 {
  font-size: 17px;
  line-height: 1.4;
  margin-bottom: var(--space-3);
  color: var(--primary);
  transition: color var(--transition);
}
.news-card:hover h4 { color: var(--accent-dark); }
.news-card p {
  color: var(--text-light);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: var(--space-4);
  flex: 1;
}
.news-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-dark);
  font-weight: 600;
  font-size: 14px;
}
.news-link i { transition: transform var(--transition); }
.news-link:hover i { transform: translateX(4px); }

/* ============== FAQ ============== */
.faq-list {
  max-width: 880px;
  margin: 0 auto;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: var(--space-3);
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item.active {
  border-color: var(--accent);
  box-shadow: var(--shadow);
}
.faq-q {
  width: 100%;
  background: none;
  border: 0;
  padding: var(--space-5) var(--space-6);
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  font-family: inherit;
}
.faq-q::after {
  content: "+";
  font-size: 24px;
  color: var(--accent);
  font-weight: 300;
  transition: transform var(--transition);
}
.faq-item.active .faq-q::after { transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition), padding var(--transition);
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.8;
}
.faq-item.active .faq-a {
  max-height: 400px;
  padding: 0 var(--space-6) var(--space-5);
}

/* ============== Contact / Form ============== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-10);
}
.contact-info-card {
  background: var(--primary-gradient);
  color: #fff;
  padding: var(--space-10);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}
.contact-info-card::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -30%;
  width: 60%;
  height: 200%;
  background: radial-gradient(circle, rgba(63, 146, 224, 0.15) 0%, transparent 60%);
}
.contact-info-card h3 {
  color: #fff;
  font-size: 24px;
  margin-bottom: var(--space-3);
  position: relative;
}
.contact-info-card > p {
  color: rgba(255,255,255,0.8);
  margin-bottom: var(--space-8);
  position: relative;
}
.contact-list { position: relative; }
.contact-list li {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
  align-items: flex-start;
}
.contact-list i {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}
.contact-list strong {
  display: block;
  color: #fff;
  font-size: 14px;
  margin-bottom: 4px;
}
.contact-list span, .contact-list a { color: rgba(255,255,255,0.85); font-size: 15px; }
.contact-list a:hover { color: var(--accent); }

.contact-form {
  background: #fff;
  padding: var(--space-10);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}
.contact-form h3 {
  font-size: 24px;
  margin-bottom: var(--space-3);
}
.contact-form > p {
  color: var(--text-light);
  margin-bottom: var(--space-6);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.form-group { margin-bottom: var(--space-5); }
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--text);
}
.form-group label .req { color: #e53e3e; }
.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 15px;
  color: var(--text);
  background: var(--bg-light);
  transition: all var(--transition);
}
.form-control:focus {
  outline: none;
  border-color: var(--accent);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(63, 146, 224, 0.15);
}
textarea.form-control { resize: vertical; min-height: 120px; }
.form-message {
  margin-top: var(--space-3);
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 14px;
  display: none;
}
.form-message.success {
  background: rgba(34, 197, 94, 0.1);
  color: #166534;
  display: block;
}

/* ============== Footer ============== */
/* footer 升级版已移至末尾，保留此节仅为兼容 */
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: var(--space-8);
  padding-bottom: var(--space-10);
}
.footer-brand .logo-text strong { color: #fff; }
.footer-brand .logo-text span { color: rgba(255,255,255,0.5); }
.footer-brand > p {
  margin: var(--space-5) 0;
  color: rgba(255,255,255,0.7);
  font-size: 14px;
  line-height: 1.7;
  max-width: 320px;
}
.footer-social { display: flex; gap: var(--space-3); }
.footer-social a {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.8);
  transition: all var(--transition);
}
.footer-social a:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}
.footer h5 {
  color: #fff;
  font-size: 16px;
  margin-bottom: var(--space-5);
  position: relative;
  padding-bottom: var(--space-3);
}
.footer h5::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background: var(--accent);
}
.footer-list li { margin-bottom: var(--space-3); }
.footer-list a {
  color: rgba(255,255,255,0.7);
  font-size: 14px;
  transition: all var(--transition);
}
.footer-list a:hover {
  color: var(--accent);
  padding-left: 6px;
}
.footer-contact li {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  color: rgba(255,255,255,0.7);
  font-size: 14px;
  align-items: flex-start;
}
.footer-contact i { color: var(--accent); margin-top: 4px; flex-shrink: 0; }
.footer-contact strong {
  display: block;
  color: #fff;
  font-size: 15px;
  margin-bottom: 4px;
}
.footer-contact .wechat-qr {
  margin-top: var(--space-4);
  width: 120px;
  height: 120px;
  background: #fff;
  padding: 8px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 12px;
  text-align: center;
  flex-direction: column;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: var(--space-5) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.footer-bottom p {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  margin: 0;
}
.footer-bottom .icp {
  display: flex;
  gap: var(--space-5);
  flex-wrap: wrap;
}

/* ============== Floating Sidebar (悬浮客服) ============== */
.floating {
  position: fixed;
  right: 20px;
  bottom: 30px;
  z-index: 99;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.float-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  border: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition);
  position: relative;
}
.float-btn:hover {
  background: var(--accent);
  transform: scale(1.05);
}
.float-btn.accent { background: var(--accent-gradient); }
.float-tooltip {
  position: absolute;
  right: 70px;
  top: 50%;
  transform: translateY(-50%);
  background: #fff;
  color: var(--text);
  padding: 6px 12px;
  border-radius: var(--radius);
  font-size: 13px;
  white-space: nowrap;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.float-btn:hover .float-tooltip { opacity: 1; }

/* ============== Modal (微信弹窗) ============== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(14, 58, 112, 0.7);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
  backdrop-filter: blur(4px);
}
.modal-overlay.active { display: flex; }
.modal {
  background: #fff;
  border-radius: var(--radius-lg);
  max-width: 420px;
  width: 100%;
  padding: var(--space-8);
  position: relative;
  box-shadow: var(--shadow-xl);
  text-align: center;
}
.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: 0;
  font-size: 24px;
  color: var(--text-light);
  cursor: pointer;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-close:hover { background: var(--bg-light); }
.modal h4 {
  font-size: 22px;
  color: var(--primary);
  margin-bottom: var(--space-3);
}
.modal > p {
  color: var(--text-light);
  font-size: 14px;
  margin-bottom: var(--space-6);
}
.modal .qr-placeholder {
  width: 200px;
  height: 200px;
  margin: 0 auto var(--space-5);
  background: var(--bg-light);
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  color: var(--text-light);
}
.modal .qr-placeholder i { font-size: 48px; margin-bottom: var(--space-2); color: var(--accent); }
.modal .contact-detail {
  background: var(--bg-light);
  padding: var(--space-4);
  border-radius: var(--radius);
  margin-bottom: var(--space-4);
}
.modal .contact-detail strong {
  display: block;
  font-size: 18px;
  color: var(--primary);
  margin-bottom: 4px;
}
.modal .contact-detail span { font-size: 13px; color: var(--text-light); }

/* ============== Breadcrumb ============== */
.breadcrumb {
  background: var(--bg-light);
  padding: var(--space-4) 0;
  font-size: 14px;
}
.breadcrumb ol {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.breadcrumb li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-light);
}
.breadcrumb li:not(:last-child)::after { content: "/"; color: var(--text-lighter); }
.breadcrumb a:hover { color: var(--accent-dark); }
.breadcrumb .current { color: var(--primary); font-weight: 600; }

/* ============== Page Header ============== */
/* page-header 升级版已移至末尾，保留此节仅为兼容 */
.page-header-inner { position: relative; z-index: 1; }
.page-header h1 {
  color: #fff;
  font-size: clamp(28px, 4vw, 42px);
  margin-bottom: var(--space-3);
}
.page-header p {
  color: rgba(255,255,255,0.8);
  font-size: 16px;
  max-width: 720px;
}

/* ============== Tables (产品参数表) ============== */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  font-size: 14px;
}
.spec-table thead {
  background: var(--primary);
  color: #fff;
}
.spec-table th {
  padding: 14px 16px;
  text-align: left;
  font-weight: 600;
  font-size: 14px;
}
.spec-table td {
  padding: 14px 16px;
  border-top: 1px solid var(--border-light);
  color: var(--text);
}
.spec-table tbody tr:hover { background: var(--bg-light); }
.spec-table tbody td:first-child {
  font-weight: 600;
  color: var(--primary);
  background: var(--bg-light);
  width: 40%;
}
.spec-table-wrap { overflow-x: auto; }

/* ============== Article (新闻详情) ============== */
.article {
  max-width: 860px;
  margin: 0 auto;
}
.article-meta {
  display: flex;
  gap: var(--space-5);
  margin-bottom: var(--space-5);
  font-size: 14px;
  color: var(--text-light);
  flex-wrap: wrap;
}
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-meta i { color: var(--accent); }
.article-body {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text);
}
.article-body h2 {
  font-size: 24px;
  margin: var(--space-8) 0 var(--space-4);
  color: var(--primary);
}
.article-body h3 {
  font-size: 20px;
  margin: var(--space-6) 0 var(--space-3);
  color: var(--primary);
}
.article-body p { margin-bottom: var(--space-4); }
.article-body ul, .article-body ol {
  padding-left: var(--space-5);
  margin-bottom: var(--space-4);
}
.article-body li { margin-bottom: var(--space-2); }
.article-nav {
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.article-nav a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: var(--space-3) var(--space-5);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--text-light);
  transition: all var(--transition);
}
.article-nav a:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
}

/* ============== Utility ============== */
.text-center { text-align: center; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mt-8 { margin-top: var(--space-8); }
.divider {
  width: 60px;
  height: 3px;
  background: var(--accent-gradient);
  margin: var(--space-5) auto;
  border-radius: var(--radius-full);
}

/* ============== Responsive ============== */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { max-width: 480px; margin: 0 auto; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .applications-grid { grid-template-columns: repeat(3, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }

  /* 导航折叠（平板及以下） */
  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    background: #fff;
    padding: var(--space-3) var(--space-5) var(--space-4);
    box-shadow: var(--shadow-lg);
    border-top: 1px solid var(--border);
    gap: 0;
    z-index: 99;
  }
  .nav-menu.open { display: flex; }
  .nav-menu > li { width: 100%; }
  .nav-menu > li > a { padding: 14px 0; border-bottom: 1px solid var(--border-light); font-size: 15px; }
  .nav-menu > li > a::after { display: none; }
  .nav-menu > li:last-child > a { border-bottom: none; }
  .nav-cta .nav-phone { display: none; }
  .nav-toggle { display: flex; }
  .nav-inner { position: relative; height: 72px; }
}

@media (max-width: 768px) {
  :root { --container-pad: 16px; }
  .topbar { display: none; }
  .nav-inner { height: 64px; }
  .nav-cta .btn { display: none; }
  .hero { min-height: auto; padding: var(--space-8) 0; }
  .hero-stats { gap: var(--space-5); flex-wrap: wrap; }
  .hero-stat strong { font-size: 24px; }
  .section { padding: var(--space-8) 0; }
  .section-lg { padding: var(--space-10) 0; }
  .products-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .applications-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-6); }
  .footer-bottom { flex-direction: column; text-align: center; }
  .about-features { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form, .contact-info-card { padding: var(--space-6); }
  .floating { right: 12px; bottom: 20px; }
  .float-btn { width: 48px; height: 48px; font-size: 18px; }
  .page-header { padding: var(--space-8) 0 var(--space-6); }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }
  .applications-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
}

/* ============== Animations ============== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   2026-09-28 增量升级样式 — 动态背景 / Lightbox / 产品画廊
   ============================================================ */

/* =========== 动态背景层（公用） =========== */

/* 流动渐变 — 用于 Hero / Banner / Footer */
.bg-flow {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}
.bg-flow::before,
.bg-flow::after {
  content: "";
  position: absolute;
  width: 60vw;
  height: 60vw;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
  animation: flowMove 18s ease-in-out infinite;
}
.bg-flow::before {
  background: radial-gradient(circle, rgba(63, 146, 224, 0.55) 0%, transparent 70%);
  top: -20vw;
  right: -10vw;
}
.bg-flow::after {
  background: radial-gradient(circle, rgba(30, 90, 168, 0.7) 0%, transparent 70%);
  bottom: -25vw;
  left: -15vw;
  animation-delay: -9s;
}
@keyframes flowMove {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(8vw, -6vw) scale(1.15); }
}

/* 网格背景层 */
.bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, #000 0%, #000 50%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 0%, #000 50%, transparent 100%);
  pointer-events: none;
  z-index: 1;
  animation: gridFloat 30s linear infinite;
}
@keyframes gridFloat {
  from { background-position: 0 0; }
  to   { background-position: 64px 64px; }
}

/* 二进制/线条装饰 — 用于深色板块 */
.bg-lines {
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      135deg,
      transparent 0,
      transparent 40px,
      rgba(63, 146, 224, 0.05) 40px,
      rgba(63, 146, 224, 0.05) 41px
    );
  pointer-events: none;
  z-index: 1;
  animation: linesShift 80s linear infinite;
}
@keyframes linesShift {
  from { background-position: 0 0; }
  to   { background-position: 400px 0; }
}

/* 噪点纹理（点缀） */
.bg-noise {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  opacity: 0.04;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* 装饰光斑（金色粒子漂浮） */
.bg-spark {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  overflow: hidden;
}
.bg-spark span {
  position: absolute;
  display: block;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 14px rgba(63, 146, 224, 0.8);
  opacity: 0;
  animation: spark 7s linear infinite;
}
.bg-spark span:nth-child(1) { left: 12%; top: 80%; animation-delay: 0s; }
.bg-spark span:nth-child(2) { left: 28%; top: 90%; animation-delay: 1.4s; width: 4px; height: 4px; }
.bg-spark span:nth-child(3) { left: 52%; top: 88%; animation-delay: 2.8s; }
.bg-spark span:nth-child(4) { left: 76%; top: 92%; animation-delay: 4.2s; width: 8px; height: 8px; }
.bg-spark span:nth-child(5) { left: 88%; top: 82%; animation-delay: 5.6s; width: 4px; height: 4px; }
.bg-spark span:nth-child(6) { left: 40%; top: 85%; animation-delay: 6.4s; }
@keyframes spark {
  0%   { transform: translateY(0) scale(0); opacity: 0; }
  10%  { opacity: 1; }
  50%  { transform: translateY(-180px) scale(1); opacity: 0.8; }
  100% { transform: translateY(-360px) scale(0); opacity: 0; }
}

/* =========== 改进的 Hero =========== */
.hero {
  position: relative;
  min-height: 720px;
  background:
    linear-gradient(135deg, #082246 0%, #0e3a70 40%, #1e5aa8 100%);
  color: #fff;
  overflow: hidden;
  display: flex;
  align-items: center;
  padding: var(--space-12) 0;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.7'/></filter><rect width='100' height='100' filter='url(%23n)' opacity='0.18'/></svg>");
  opacity: 0.5;
  z-index: 0;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 80% 0%, rgba(63, 146, 224, 0.35) 0%, transparent 45%),
    radial-gradient(ellipse at 0% 100%, rgba(30, 90, 168, 0.55) 0%, transparent 60%);
  z-index: 0;
}
.hero > .container { position: relative; z-index: 5; }
.hero .bg-grid { z-index: 1; opacity: 0.4; }
.hero .bg-spark { z-index: 2; }
.hero .bg-flow { z-index: 0; }

.hero-decor-text {
  position: absolute;
  bottom: 60px;
  right: 60px;
  font-size: clamp(120px, 18vw, 220px);
  font-weight: 900;
  color: rgba(255, 255, 255, 0.025);
  letter-spacing: -0.04em;
  pointer-events: none;
  z-index: 1;
  font-family: var(--font-display);
  user-select: none;
}

/* =========== 改进的 Page Header =========== */
.page-header {
  background:
    linear-gradient(135deg, #0e3a70 0%, #1e5aa8 70%, #1a5490 100%);
  color: #fff;
  padding: var(--space-12) 0 var(--space-10);
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at top right, rgba(63, 146, 224, 0.35) 0%, transparent 55%);
  z-index: 0;
}
.page-header::after {
  content: "";
  position: absolute;
  left: -10%;
  bottom: -50%;
  width: 60%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(63, 146, 224, 0.18) 0%, transparent 70%);
  transform: rotate(-15deg);
  pointer-events: none;
}
.page-header .bg-grid { opacity: 0.35; z-index: 1; }
.page-header .bg-lines { opacity: 1; z-index: 1; }
.page-header > .container { position: relative; z-index: 5; }
.page-header-inner { position: relative; z-index: 5; }

.page-header-decor {
  position: absolute;
  right: 6%;
  top: 50%;
  transform: translateY(-50%);
  font-size: clamp(80px, 10vw, 140px);
  font-weight: 900;
  color: rgba(255, 255, 255, 0.05);
  letter-spacing: 0.1em;
  font-family: var(--font-display);
  pointer-events: none;
  z-index: 1;
  user-select: none;
}

/* =========== 改进的 Footer =========== */
.footer {
  background:
    linear-gradient(180deg, #082246 0%, #0e3a70 100%);
  color: var(--text-on-dark);
  padding: var(--space-12) 0 0;
  position: relative;
  overflow: hidden;
}
.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
  z-index: 3;
}
.footer .bg-flow { z-index: 0; opacity: 0.7; }
.footer .bg-grid { opacity: 0.35; z-index: 1; }
.footer > .container { position: relative; z-index: 5; }
.footer-grid { position: relative; z-index: 5; }

/* 底部分隔金色条纹装饰 */
.footer-bottom-bar {
  position: relative;
  text-align: center;
  padding: var(--space-5) 0;
  margin-top: var(--space-5);
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}
.footer-bottom-bar::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: var(--accent-gradient);
}

/* =========== CTA Banner（深色 CTA 区块） =========== */
.cta-banner {
  position: relative;
  padding: var(--space-12) 0;
  background:
    linear-gradient(135deg, #0e3a70 0%, #1e5aa8 100%);
  color: #fff;
  overflow: hidden;
  text-align: center;
}
.cta-banner .bg-flow { z-index: 0; opacity: 0.8; }
.cta-banner .bg-grid { opacity: 0.3; z-index: 1; }
.cta-banner > .container { position: relative; z-index: 5; }
.cta-banner h2 {
  font-size: clamp(28px, 4vw, 40px);
  color: #fff;
  margin-bottom: var(--space-3);
}
.cta-banner p {
  font-size: 17px;
  color: rgba(255,255,255,0.8);
  max-width: 720px;
  margin: 0 auto var(--space-6);
}
.cta-banner-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* =========== 浅色 Banner（关于/产品/新闻底部用） =========== */
.banner-light {
  position: relative;
  padding: var(--space-10) 0;
  background:
    linear-gradient(135deg, #f8fafc 0%, #ffffff 50%, #f1f5f9 100%);
  overflow: hidden;
}
.banner-light::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at top left, rgba(63, 146, 224, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse at bottom right, rgba(30, 90, 168, 0.1) 0%, transparent 60%);
}
.banner-light > .container { position: relative; z-index: 2; }
.banner-light .bg-lines { opacity: 0.5; }
.banner-light-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-3);
}
.banner-light-inner h3 {
  font-size: clamp(24px, 3vw, 32px);
  color: var(--primary);
}
.banner-light-inner p {
  color: var(--text-light);
  font-size: 15px;
  max-width: 600px;
}

/* =========== 应用领域/客户 banner（带深色装饰） =========== */
.banner-pattern {
  position: relative;
  padding: var(--space-10) 0;
  background:
    linear-gradient(135deg, #0e3a70 0%, #1e5aa8 60%, #0e3a70 100%);
  color: #fff;
  overflow: hidden;
}
.banner-pattern::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(63, 146, 224, 0.18) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(30, 90, 168, 0.5) 0%, transparent 50%);
}
.banner-pattern .bg-grid { opacity: 0.5; z-index: 1; }
.banner-pattern > .container { position: relative; z-index: 2; }
.banner-pattern-inner { text-align: center; }
.banner-pattern-inner h3 {
  color: #fff;
  font-size: clamp(24px, 3vw, 32px);
  margin-bottom: var(--space-3);
}
.banner-pattern-inner p {
  color: rgba(255,255,255,0.75);
  max-width: 640px;
  margin: 0 auto;
}

/* =========== 关于我们头部 banner =========== */
.about-hero {
  position: relative;
  padding: var(--space-12) 0 var(--space-10);
  background:
    linear-gradient(120deg, #082246 0%, #0e3a70 50%, #1e5aa8 100%);
  color: #fff;
  overflow: hidden;
}
.about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 75% 30%, rgba(63, 146, 224, 0.35) 0%, transparent 50%);
}
.about-hero .bg-grid { opacity: 0.4; z-index: 1; }
.about-hero .bg-lines { opacity: 1; z-index: 1; }
.about-hero > .container { position: relative; z-index: 5; }

/* =========== 联系我们头部 banner =========== */
.contact-hero {
  position: relative;
  padding: var(--space-12) 0 var(--space-10);
  background:
    linear-gradient(110deg, #0e3a70 0%, #1e5aa8 80%, #1a5490 100%);
  color: #fff;
  overflow: hidden;
}
.contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 90% 20%, rgba(63, 146, 224, 0.3) 0%, transparent 50%);
}
.contact-hero .bg-grid { opacity: 0.4; z-index: 1; }
.contact-hero .bg-lines { opacity: 1; z-index: 1; }
.contact-hero > .container { position: relative; z-index: 5; }

/* =========== 产品卡片：图替换为真实占位图样式 =========== */
.product-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}
.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 48px rgba(14, 58, 112, 0.18);
  border-color: var(--accent);
}
.product-card .img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: linear-gradient(135deg, #0e3a70 0%, #1e5aa8 100%);
}
.product-card .img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.product-card:hover .img-wrap img { transform: scale(1.06); }
.product-card .img-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 4px 12px;
  background: rgba(14, 58, 112, 0.85);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-full);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  letter-spacing: 0.05em;
  z-index: 2;
}
.product-card .img-zoom {
  position: absolute;
  right: 14px;
  bottom: 14px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 14px;
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.3s ease;
  z-index: 2;
}
.product-card:hover .img-zoom {
  opacity: 1;
  transform: scale(1);
}

/* =========== 产品详情：多图画廊 =========== */
.product-gallery {
  position: relative;
}
.gallery-main {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background: linear-gradient(135deg, #0e3a70 0%, #1e5aa8 100%);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: zoom-in;
  border: 1px solid var(--border-light);
}
.gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.gallery-main:hover img { transform: scale(1.03); }
.gallery-main .zoom-hint {
  position: absolute;
  bottom: 14px;
  right: 14px;
  background: rgba(14, 58, 112, 0.85);
  color: var(--accent);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.gallery-main .img-counter {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(14, 58, 112, 0.85);
  color: #fff;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  margin-top: 14px;
}
.gallery-thumbs .thumb {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  background: #fff;
  transition: all var(--transition);
}
.gallery-thumbs .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.gallery-thumbs .thumb:hover {
  border-color: var(--accent-light);
  transform: translateY(-2px);
}
.gallery-thumbs .thumb.active {
  border-color: var(--accent);
  box-shadow: 0 4px 12px rgba(63, 146, 224, 0.3);
}
@media (max-width: 768px) {
  .gallery-thumbs { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 480px) {
  .gallery-thumbs { grid-template-columns: repeat(3, 1fr); }
}

/* =========== 画廊改版：单行缩略图 + 左右切换箭头 =========== */
.gallery-thumbs {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 4px 26px;
}
.gallery-thumbs::-webkit-scrollbar { display: none; }
.gallery-thumbs .thumb {
  flex: 0 0 calc((100% - 56px) / 5);
  min-width: 64px;
}
.thumbs-wrap {
  position: relative;
  margin-top: 12px;
}
.thumbs-wrap .gallery-thumbs { margin-top: 0; }
.thumbs-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(14, 58, 112, 0.88);
  color: var(--accent);
  border: 1px solid rgba(63, 146, 224, 0.45);
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 2;
  font-size: 11px;
  transition: all 0.2s ease;
  box-shadow: 0 2px 8px rgba(14, 58, 112, 0.25);
}
.thumbs-arrow.show { display: inline-flex; }
.thumbs-arrow:hover { background: var(--accent); color: var(--primary); }
.thumbs-arrow.prev { left: -8px; }
.thumbs-arrow.next { right: -8px; }

/* 主图左右切换按钮 */
.gallery-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(14, 58, 112, 0.65);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.28);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 3;
  font-size: 15px;
  opacity: 0;
  transition: all 0.25s ease;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.gallery-main:hover .gallery-nav,
.gallery-nav:focus-visible { opacity: 1; }
.gallery-nav:hover {
  background: var(--accent);
  color: var(--primary);
  border-color: var(--accent);
}
.gallery-nav.prev { left: 14px; }
.gallery-nav.next { right: 14px; }
@media (hover: none) {
  .gallery-nav { opacity: 1; }
}
@media (max-width: 576px) {
  .gallery-thumbs .thumb { flex-basis: calc((100% - 46px) / 4); }
  .gallery-nav { width: 34px; height: 34px; font-size: 13px; }
}

/* =========== Lightbox 灯箱 =========== */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
}
.lightbox.open {
  display: flex;
  animation: fadeInLightbox 0.25s ease;
}
@keyframes fadeInLightbox {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.lightbox-img {
  max-width: 92vw;
  max-height: 84vh;
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
}
.lightbox-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  font-size: 22px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 10000;
}
.lightbox-close:hover {
  background: var(--accent);
  transform: rotate(90deg);
}
.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.lightbox-nav:hover {
  background: var(--accent);
  border-color: var(--accent);
}
.lightbox-prev { left: 24px; }
.lightbox-next { right: 24px; }
.lightbox-caption {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.85);
  font-size: 14px;
  text-align: center;
  background: rgba(0,0,0,0.4);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  max-width: 80vw;
}
@media (max-width: 768px) {
  .lightbox-nav { width: 44px; height: 44px; }
  .lightbox-prev { left: 12px; }
  .lightbox-next { right: 12px; }
}

/* =========== 新闻卡片改造 =========== */
.news-card {
  position: relative;
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.news-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px rgba(14, 58, 112, 0.14);
  border-color: var(--accent-light);
}
.news-card .img-wrap {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: linear-gradient(135deg, #1e5aa8 0%, #0e3a70 100%);
}
.news-card .img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.news-card:hover .img-wrap img { transform: scale(1.05); }
.news-card .img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.4) 100%);
}
.news-card .img-date {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(14, 58, 112, 0.92);
  color: #fff;
  padding: 6px 12px;
  border-radius: var(--radius);
  font-size: 12px;
  font-weight: 700;
  text-align: center;
  line-height: 1.2;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2;
}
.news-card .img-date strong { display: block; font-size: 16px; color: var(--accent); }
.news-card .body {
  padding: var(--space-5);
}
.news-card h3 {
  font-size: 18px;
  margin-bottom: var(--space-3);
  color: var(--primary);
  line-height: 1.5;
  transition: color var(--transition);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card:hover h3 { color: var(--accent-dark); }
.news-card .excerpt {
  color: var(--text-light);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: var(--space-4);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card .more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-weight: 600;
  font-size: 14px;
}
.news-card .more i { transition: transform var(--transition); }
.news-card:hover .more i { transform: translateX(4px); }

/* 新闻详情封面 */
.article-cover {
  position: relative;
  width: 100%;
  aspect-ratio: 21 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-6);
  background: linear-gradient(135deg, #0e3a70 0%, #1e5aa8 100%);
}
.article-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.article-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.5) 100%);
}

/* =========== 改进的 Stats 数据统计（动态背景） =========== */
.stats-section {
  position: relative;
  padding: var(--space-12) 0;
  background:
    linear-gradient(135deg, #0e3a70 0%, #1e5aa8 60%, #1a5490 100%);
  color: #fff;
  overflow: hidden;
}
.stats-section .bg-flow { z-index: 0; opacity: 0.8; }
.stats-section .bg-grid { opacity: 0.3; z-index: 1; }
.stats-section > .container { position: relative; z-index: 5; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}
.stat-item {
  text-align: center;
  padding: var(--space-5);
  position: relative;
}
.stat-item:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 25%;
  bottom: 25%;
  width: 1px;
  background: linear-gradient(to bottom, transparent, rgba(63, 146, 224, 0.5), transparent);
}
.stat-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: var(--space-2);
}
.stat-item span {
  font-size: 14px;
  color: rgba(255,255,255,0.8);
  letter-spacing: 0.1em;
}

/* =========== 关于/优势区块：纹理 =========== */
.section-pattern {
  position: relative;
  background:
    linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
  overflow: hidden;
}
.section-pattern::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 80% 20%, rgba(63, 146, 224, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 20% 80%, rgba(30, 90, 168, 0.06) 0%, transparent 50%);
  pointer-events: none;
}
.section-pattern > .container { position: relative; z-index: 2; }

/* 应用领域卡片：增加动效 */
.app-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-4);
  text-align: center;
  overflow: hidden;
  transition: all 0.4s ease;
}
.app-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 0;
}
.app-card:hover::before { opacity: 1; }
.app-card:hover { transform: translateY(-6px); border-color: transparent; box-shadow: 0 18px 36px rgba(14,58,112,0.18); }
.app-card > * { position: relative; z-index: 1; transition: color 0.4s ease; }
.app-card:hover h4, .app-card:hover p { color: #fff; }
.app-card:hover .app-icon { background: rgba(255,255,255,0.18); color: #fff; }
.app-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-3);
  border-radius: var(--radius);
  background: var(--bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--accent);
  transition: all 0.4s ease;
}

/* 联系页头部卡片背景 */
.contact-info-section {
  position: relative;
  padding: var(--space-10) 0;
  background:
    linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  overflow: hidden;
}
.contact-info-section::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(63, 146, 224, 0.08) 0%, transparent 70%);
  pointer-events: none;
}
.contact-info-section::after {
  content: "";
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(30, 90, 168, 0.06) 0%, transparent 70%);
  pointer-events: none;
}
.contact-info-section > .container { position: relative; z-index: 2; }

/* 内容容器最大宽度 */
.article-container {
  max-width: 1080px;
  margin: 0 auto;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: 0 4px 24px rgba(14,58,112,0.06);
  border: 1px solid var(--border-light);
}
@media (max-width: 768px) {
  .article-container { padding: var(--space-5); }
}
/* ============== Contact Page ============== */
.contact-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}
.contact-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-7) var(--space-5);
  text-align: center;
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
}
.contact-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent-gradient);
  transform: scaleX(0);
  transition: transform 0.35s ease;
}
.contact-card:hover { transform: translateY(-6px); box-shadow: 0 20px 50px rgba(14,58,112,0.12); border-color: rgba(63,146,224,0.3); }
.contact-card:hover::before { transform: scaleX(1); }
.contact-card-icon {
  width: 64px; height: 64px;
  margin: 0 auto var(--space-4);
  background: var(--primary-gradient);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
  font-size: 26px;
  transition: transform 0.35s ease;
}
.contact-card:hover .contact-card-icon { transform: scale(1.1) rotate(-5deg); }
.contact-card h4 { color: var(--primary); font-size: 18px; margin-bottom: var(--space-3); }
.contact-card-main {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--space-2);
  letter-spacing: 0.02em;
}
.contact-card-sub { font-size: 13px; color: var(--text-light); margin-bottom: var(--space-5); }

/* Contact Split Layout */
.contact-split {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-8);
  align-items: start;
}
.inquiry-form {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: 0 12px 40px rgba(14,58,112,0.08);
  border: 1px solid var(--border);
}
.inquiry-form .eyebrow {
  display: inline-block;
  padding: 5px 12px;
  background: rgba(63,146,224,0.12);
  border: 1px solid rgba(63,146,224,0.3);
  color: var(--accent);
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-3);
}
.inquiry-form h2 { color: var(--primary); margin-bottom: var(--space-2); }
.inquiry-form > p { color: var(--text-light); margin-bottom: var(--space-6); }
.message-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}
.message-form .form-field { margin-bottom: var(--space-4); }
.message-form label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: var(--space-2);
}
.message-form label .required { color: #e74c3c; }
.message-form input,
.message-form select,
.message-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-light);
  font-size: 14px;
  color: var(--text);
  font-family: inherit;
  transition: all 0.25s ease;
}
.message-form input:focus,
.message-form select:focus,
.message-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(63,146,224,0.15);
}
.message-form textarea { resize: vertical; min-height: 100px; }
.message-form .btn { width: 100%; }
.form-tip {
  margin-top: var(--space-4);
  text-align: center;
  font-size: 12px;
  color: var(--text-light);
}
.form-tip i { color: var(--accent); margin-right: 4px; }

/* Company Info Cards */
.company-info { display: flex; flex-direction: column; gap: var(--space-5); }
.company-info-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: 0 8px 28px rgba(14,58,112,0.06);
  border: 1px solid var(--border);
}
.company-info-card h4 {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--primary);
  font-size: 18px;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border);
}
.company-info-card h4 i {
  width: 36px; height: 36px;
  background: var(--accent-gradient);
  color: #fff;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center; justify-content: center;
  font-size: 16px;
}
.info-list { list-style: none; padding: 0; margin: 0; }
.info-list li {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px dashed var(--border);
}
.info-list li:last-child { border-bottom: none; }
.info-list li > i {
  width: 28px; height: 28px;
  background: rgba(63,146,224,0.12);
  color: var(--accent);
  border-radius: 50%;
  display: inline-flex;
  align-items: center; justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
  margin-top: 2px;
}
.info-list li div { display: flex; flex-direction: column; gap: 2px; }
.info-list li strong {
  font-size: 13px;
  color: var(--text-light);
  font-weight: 600;
}
.info-list li span { font-size: 14px; color: var(--text); }
.commitment-list { list-style: none; padding: 0; margin: 0; }
.commitment-list li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  font-size: 14px;
  color: var(--text);
}
.commitment-list li i {
  color: var(--accent);
  font-size: 12px;
}
.company-info-commitment {
  background: linear-gradient(135deg, #0e3a70 0%, #1e5aa8 100%);
  color: #fff;
  border: none;
}
.company-info-commitment h4 { color: #fff; border-bottom-color: rgba(255,255,255,0.2); }
.company-info-commitment .commitment-list li { color: rgba(255,255,255,0.9); }
.company-info-commitment .commitment-list li i { color: var(--accent-light); }

/* Responsive */
@media (max-width: 992px) {
  .contact-cards-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-split { grid-template-columns: 1fr; }
}
@media (max-width: 576px) {
  .contact-cards-grid { grid-template-columns: 1fr; }
  .inquiry-form { padding: var(--space-5); }
  .message-form .form-row { grid-template-columns: 1fr; }
}

/* ============== Product Cover Image (真实图片版) ============== */
.cover-img {
  display: block;
  position: relative;
  aspect-ratio: 1/1;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--primary-dark);
}
.cover-img > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.cover-img:hover > img { transform: scale(1.06); }
.cover-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(to top, rgba(14,58,112,0.85) 0%, rgba(14,58,112,0.25) 35%, transparent 60%);
}
.cover-text {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  color: #fff;
  z-index: 2;
  padding: var(--space-5);
  text-align: left;
}
.cover-model {
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 800;
  letter-spacing: 0.05em;
  color: #fff;
  text-shadow: 0 2px 12px rgba(0,0,0,0.5);
  margin-bottom: var(--space-2);
  line-height: 1.1;
}
.cover-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(63,146,224,0.9);
  border-radius: var(--radius-full);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: #0e3a70;
  font-weight: 700;
}

/* ============== 企业文化 - 图文卡片 ============== */
.culture-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-top: var(--space-8);
}
.culture-card {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 0;
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(14,58,112,0.08);
  border: 1px solid var(--border);
  transition: all 0.4s ease;
}
.culture-card:hover { transform: translateY(-6px); box-shadow: 0 20px 60px rgba(14,58,112,0.15); }
.culture-card:nth-child(even) { grid-template-columns: 1.2fr 1fr; }
.culture-card:nth-child(even) .culture-image { order: 2; }
.culture-image {
  position: relative;
  min-height: 360px;
  overflow: hidden;
}
.culture-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.6s ease;
}
.culture-card:hover .culture-bg { transform: scale(1.08); }
.culture-bg-precision {
  background:
    radial-gradient(circle at 30% 30%, rgba(63,146,224,0.4) 0%, transparent 50%),
    radial-gradient(circle at 70% 70%, rgba(20,61,107,0.7) 0%, transparent 60%),
    linear-gradient(135deg, #0e3a70 0%, #1e5aa8 100%);
}
.culture-bg-reliability {
  background:
    radial-gradient(circle at 60% 40%, rgba(63,146,224,0.35) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(20,61,107,0.7) 0%, transparent 55%),
    linear-gradient(135deg, #1e5aa8 0%, #0e3a70 100%);
}
.culture-bg-intelligent {
  background:
    radial-gradient(circle at 50% 30%, rgba(63,146,224,0.45) 0%, transparent 55%),
    radial-gradient(circle at 80% 80%, rgba(20,61,107,0.6) 0%, transparent 60%),
    linear-gradient(135deg, #0e3a70 0%, #1e5aa8 50%, #1a4870 100%);
}
.culture-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(63,146,224,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(63,146,224,0.06) 1px, transparent 1px);
  background-size: 40px 40px;
}
.culture-bg::after {
  content: "";
  position: absolute;
  inset: 30px;
  border: 1px dashed rgba(63,146,224,0.3);
  border-radius: var(--radius-sm);
  pointer-events: none;
}
.culture-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
  z-index: 2;
  text-align: center;
}
.culture-overlay i {
  font-size: 80px;
  color: var(--accent);
  margin-bottom: var(--space-4);
  filter: drop-shadow(0 8px 20px rgba(0,0,0,0.4));
  animation: iconFloat 4s ease-in-out infinite;
}
@keyframes iconFloat {
  0%, 100% { transform: translateY(0) rotate(0); }
  50% { transform: translateY(-12px) rotate(-5deg); }
}
.culture-overlay span {
  font-size: 16px;
  letter-spacing: 0.3em;
  color: var(--accent-light);
  font-weight: 600;
}
.culture-content {
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}
.culture-num {
  position: absolute;
  top: var(--space-5);
  right: var(--space-6);
  font-size: 80px;
  font-weight: 900;
  color: rgba(63,146,224,0.15);
  line-height: 1;
  font-family: 'Playfair Display', Georgia, serif;
}
.culture-content h3 {
  font-size: 36px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: var(--space-4);
  position: relative;
  z-index: 2;
}
.culture-content > p {
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.85;
  margin-bottom: var(--space-5);
}
.culture-points {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.culture-points li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
}
.culture-points li i {
  color: var(--accent);
  font-size: 12px;
  width: 20px;
  height: 20px;
  background: rgba(63,146,224,0.15);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ============== ABOUT - Page Header 图文版 ============== */
.about-hero-content {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-8);
  align-items: center;
}
.about-hero-image {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,0.4), 0 0 0 1px rgba(63,146,224,0.3);
}
.about-hero-image::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 40%, rgba(63,146,224,0.3) 0%, transparent 50%),
    radial-gradient(circle at 70% 70%, rgba(20,61,107,0.7) 0%, transparent 60%),
    linear-gradient(135deg, #0e3a70 0%, #1e5aa8 100%);
}
.about-hero-image::after {
  content: "";
  position: absolute;
  inset: 24px;
  border: 1px dashed rgba(63,146,224,0.4);
  border-radius: var(--radius);
  z-index: 2;
}
.about-hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: relative;
  z-index: 1;
}
.about-hero-image-text {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
  z-index: 3;
  text-align: center;
}
.about-hero-image-text strong {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--accent-light);
  font-family: 'Playfair Display', Georgia, serif;
  margin-bottom: 8px;
}
.about-hero-image-text span {
  font-size: 13px;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.2em;
}

@media (max-width: 768px) {
  .culture-card { grid-template-columns: 1fr !important; }
  .culture-card:nth-child(even) .culture-image { order: 0; }
  .culture-image { min-height: 240px; }
  .culture-content { padding: var(--space-6); }
  .culture-content h3 { font-size: 28px; }
  .about-hero-content { grid-template-columns: 1fr; }
}

/* ============== Stats Section 重设计（深色玻璃拟态） ============== */
.stats-section {
  background: linear-gradient(135deg, #0e3a70 0%, #1e5aa8 55%, #0e3a70 100%);
  position: relative;
  overflow: hidden;
  padding: var(--space-10) 0;
}
.stats-section::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
.stats-section .stats-grid { position: relative; z-index: 2; }
.stats-section .stat-card {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(63,146,224,0.25);
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 40px rgba(0,0,0,0.25);
}
.stats-section .stat-card::before {
  background: var(--accent-gradient);
  height: 2px;
}
.stats-section .stat-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(63,146,224,0.6);
  box-shadow: 0 18px 56px rgba(0,0,0,0.35);
}
.stats-section .stat-icon {
  background: rgba(63,146,224,0.14);
  border: 1px solid rgba(63,146,224,0.35);
  color: var(--accent-light);
}
.stats-section .stat-card strong {
  color: var(--accent-light);
  text-shadow: 0 2px 16px rgba(63,146,224,0.35);
}
.stats-section .stat-card strong small { color: var(--accent-light); }
.stats-section .stat-card span { color: rgba(255,255,255,0.75); }

/* ============== About Hero 图片徽章 ============== */
.about-hero-image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}
.about-hero-image-badge {
  position: absolute;
  bottom: 20px;
  left: 20px;
  z-index: 3;
  background: rgba(14, 58, 112, 0.88);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(63,146,224,0.4);
  border-radius: var(--radius);
  padding: 12px 20px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.about-hero-image-badge strong {
  font-size: 24px;
  font-weight: 800;
  color: var(--accent-light);
  line-height: 1.1;
}
.about-hero-image-badge span {
  font-size: 12px;
  color: rgba(255,255,255,0.8);
  letter-spacing: 0.1em;
}

/* ============== Culture 卡片真实图片版 ============== */
.culture-bg[style*="background-image"]::before,
.culture-bg[style*="background-image"]::after { display: none; }
.culture-overlay {
  background: linear-gradient(to top, rgba(14,58,112,0.55) 0%, rgba(14,58,112,0.15) 45%, transparent 70%);
}
.culture-overlay i {
  font-size: 48px;
  background: rgba(14,58,112,0.55);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(63,146,224,0.5);
  width: 96px;
  height: 96px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  animation: none;
  filter: none;
}

/* =========== 关于区块：实拍图替换装饰卡 =========== */
.about-visual-img {
  padding: 0;
  background: #0e3a70;
  box-shadow: 0 20px 50px rgba(14, 58, 112, 0.18), 0 0 0 1px rgba(63, 146, 224, 0.35);
}
.about-visual-img img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* =========== 修复：手机端统计块响应式（需置于文件末尾以覆盖上方声明） =========== */
@media (max-width: 900px) {
  .stats-section .stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
  .stats-section .stat-card { padding: var(--space-6) var(--space-4); }
  .stats-section .stat-card strong { font-size: 32px; }
}
@media (max-width: 480px) {
  .stats-section .stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }
  .stats-section .stat-card { padding: var(--space-5) var(--space-3); }
  .stats-section .stat-icon { width: 44px; height: 44px; font-size: 18px; margin-bottom: var(--space-3); }
  .stats-section .stat-card strong { font-size: 26px; }
  .stats-section .stat-card strong small { font-size: 14px; }
  .stats-section .stat-card span { font-size: 12px; }
}

/* =========== 应用领域：图文卡片网格 =========== */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-8);
}
.app-img-card {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  background: #0e3a70;
  box-shadow: 0 10px 30px rgba(14, 58, 112, 0.12);
}
.app-img-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.app-img-card:hover img { transform: scale(1.06); }
.app-img-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-5);
  background: linear-gradient(180deg, rgba(14,58,112,0) 0%, rgba(14,58,112,0.55) 45%, rgba(14,58,112,0.92) 100%);
  transition: background 0.3s ease;
}
.app-img-overlay::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(63, 146, 224, 0);
  border-radius: var(--radius-lg);
  transition: border-color 0.3s ease;
  pointer-events: none;
}
.app-img-card:hover .app-img-overlay::after { border-color: rgba(63, 146, 224, 0.55); }
.app-img-overlay .app-num {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent-light);
  margin-bottom: 4px;
}
.app-img-overlay h5 {
  color: #fff;
  font-size: 19px;
  font-weight: 700;
  margin: 0 0 6px;
}
.app-img-overlay p {
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
  line-height: 1.6;
  margin: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, opacity 0.35s ease, margin 0.35s ease;
}
.app-img-card:hover .app-img-overlay p,
.app-img-card:focus-within .app-img-overlay p { max-height: 60px; opacity: 1; }
.apps-more {
  text-align: center;
  margin-top: var(--space-6);
  color: var(--text-light);
  font-size: 14px;
  letter-spacing: 0.05em;
}
.apps-more i { color: var(--accent); margin-right: 4px; }
@media (max-width: 900px) {
  .apps-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
  .app-img-overlay { padding: var(--space-4); }
  .app-img-overlay h5 { font-size: 17px; }
  /* 手机端说明文字常显（无 hover） */
  .app-img-overlay p { max-height: 60px; opacity: 1; }
}
@media (max-width: 480px) {
  .apps-grid { gap: var(--space-3); }
  .app-img-overlay { padding: var(--space-3); }
  .app-img-overlay h5 { font-size: 15px; margin-bottom: 4px; }
  .app-img-overlay p { font-size: 12px; }
  .app-img-overlay .app-num { font-size: 11px; }
}

/* =========== 产品列表静态分页 =========== */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-top: var(--space-8);
}
.page-btn {
  min-width: 42px;
  height: 42px;
  padding: 0 10px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font-display);
  cursor: pointer;
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.page-btn:hover:not(:disabled):not(.active) {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}
.page-btn.active {
  background: var(--primary-gradient);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 6px 16px rgba(14, 58, 112, 0.28);
}
.page-btn.nav-arrow { font-size: 13px; }
.page-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* =========== Banner 增强：背景机械图 + 金色下划线 =========== */
.page-header-bg {
  position: absolute;
  inset: 0;
  background: url('../images/workshop.png') right center / cover no-repeat;
  opacity: 0.2;
  z-index: 0;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, rgba(0,0,0,0.5) 45%, #000 100%);
  mask-image: linear-gradient(90deg, transparent 0%, rgba(0,0,0,0.5) 45%, #000 100%);
}
.page-header-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(14,58,112,0.55) 0%, rgba(14,58,112,0.15) 50%, rgba(14,58,112,0.6) 100%);
}
.page-header h1::after {
  content: "";
  display: block;
  width: 68px;
  height: 3px;
  margin-top: var(--space-4);
  background: var(--accent-gradient);
  border-radius: 2px;
}

/* =========== 联系卡片图标精致化 =========== */
.contact-card-icon {
  width: 68px;
  height: 68px;
  background: linear-gradient(135deg, #0e3a70 0%, #1e5aa8 100%);
  color: var(--accent-light);
  font-size: 24px;
  position: relative;
  box-shadow: 0 10px 24px rgba(14, 58, 112, 0.18);
}
.contact-card-icon::before {
  content: "";
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 1px solid rgba(63, 146, 224, 0.45);
  transition: border-color 0.3s ease, transform 0.3s ease;
}
.contact-card-icon::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  border: 1px solid rgba(63, 146, 224, 0.28);
}
.contact-card:hover .contact-card-icon {
  transform: translateY(-4px);
  box-shadow: 0 14px 32px rgba(63, 146, 224, 0.32);
}
.contact-card:hover .contact-card-icon::before {
  border-color: rgba(63, 146, 224, 0.85);
  transform: scale(1.05);
}

/* =========== 品牌Logo图片 =========== */
.logo .logo-img {
  height: 60px;
  width: auto;
  display: block;
}
@media (max-width: 768px) {
  .logo .logo-img { height: 50px; }
}
@media (max-width: 480px) {
  .logo .logo-img { height: 42px; }
}
/* 页脚深色底：logo 反白处理 */
footer .logo .logo-img {
  filter: brightness(0) invert(1);
  opacity: 0.92;
}

/* =========== 联系卡片间距优化 =========== */
.contact-card {
  padding: var(--space-8) var(--space-6) var(--space-6);
}
.contact-card .contact-card-icon {
  margin-bottom: var(--space-5);
}
.contact-card h4 {
  margin-bottom: var(--space-4);
}
.contact-card .btn {
  margin-top: var(--space-2);
}

/* =========== 统计块轻量化：浅色底 + 压缩篇幅 =========== */
.stats-section {
  background: var(--bg-light);
  padding: var(--space-8) 0;
}
.stats-section::after { display: none; }
.stats-section .bg-flow,
.stats-section .bg-grid,
.stats-section .bg-spark,
.stats-section .bg-noise { display: none; }
.stats-section .stat-card {
  background: #fff;
  border: 1px solid var(--border-light);
  box-shadow: 0 8px 24px rgba(14, 58, 112, 0.06);
  padding: var(--space-6) var(--space-4);
}
.stats-section .stat-card:hover {
  background: #fff;
  border-color: var(--accent);
  box-shadow: 0 14px 32px rgba(14, 58, 112, 0.12);
}
.stats-section .stat-card strong {
  color: var(--primary);
  text-shadow: none;
  font-size: 34px;
}
.stats-section .stat-card span { color: var(--text-light); }
.stats-section .stat-icon {
  background: rgba(63, 146, 224, 0.12);
  border: 1px solid rgba(63, 146, 224, 0.35);
  color: var(--accent);
  width: 46px;
  height: 46px;
  font-size: 19px;
  margin-bottom: var(--space-3);
}
@media (max-width: 900px) {
  .stats-section .stat-card { padding: var(--space-5) var(--space-4); }
  .stats-section .stat-card strong { font-size: 28px; }
  .stats-section .stat-icon { width: 40px; height: 40px; font-size: 17px; }
}
@media (max-width: 480px) {
  .stats-section .stats-grid { gap: var(--space-3); }
  .stats-section .stat-card { padding: var(--space-4) var(--space-3); }
  .stats-section .stat-card strong { font-size: 24px; }
  .stats-section .stat-card strong small { font-size: 13px; }
  .stats-section .stat-card span { font-size: 12px; }
}

/* =========== 全站留言弹窗（重设计版） =========== */
#inquiryModal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  visibility: hidden;
  pointer-events: none;
}
#inquiryModal.open { visibility: visible; pointer-events: auto; }
.iq-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(6,26,48,0.78) 0%, rgba(14,58,112,0.66) 100%);
  backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity 0.3s ease;
}
#inquiryModal.open .iq-overlay { opacity: 1; }
.iq-dialog {
  position: relative;
  width: 100%;
  max-width: 460px;
  max-height: 92vh;
  overflow-y: auto;
  background: #fff;
  border-radius: 18px;
  opacity: 0;
  transform: translateY(28px) scale(0.96);
  transition: opacity 0.32s ease, transform 0.32s ease;
  box-shadow: 0 32px 90px rgba(8, 34, 70, 0.5);
}
#inquiryModal.open .iq-dialog { opacity: 1; transform: translateY(0) scale(1); }

/* 顶部深蓝横幅头 */
.iq-head {
  position: relative;
  background: linear-gradient(135deg, #0e3a70 0%, #1e5aa8 100%);
  padding: 26px 56px 24px 32px;
  overflow: hidden;
}
.iq-head::before {
  content: "\f086";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  right: -18px;
  bottom: -28px;
  font-size: 130px;
  color: rgba(63, 146, 224, 0.12);
  line-height: 1;
}
.iq-head::after {
  content: "";
  position: absolute;
  left: 32px;
  right: 56px;
  top: 0;
  height: 3px;
  background: var(--accent-gradient);
}
.iq-head .iq-eyebrow {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.28em;
  color: var(--accent-light);
  border: 1px solid rgba(63, 146, 224, 0.45);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 10px;
}
.iq-head h3 {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 6px;
  letter-spacing: 0.02em;
}
.iq-head p { color: rgba(255, 255, 255, 0.72); font-size: 13px; margin: 0; }

.iq-close {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 2;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.85);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  transition: all 0.25s ease;
}
.iq-close:hover { background: var(--accent); border-color: var(--accent); color: #0e3a70; transform: rotate(90deg); }

/* 表单区 */
#inquiryModal form { padding: 26px 32px 28px; }
.iq-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.iq-field { margin-bottom: 16px; }
.iq-field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 7px;
}
.iq-field label em { color: #ef4444; font-style: normal; margin-left: 2px; }
.iq-field input,
.iq-field textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
  color: #1a1a1a;
  background: #f8fafc;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
  box-sizing: border-box;
}
.iq-field input::placeholder,
.iq-field textarea::placeholder { color: #9ca3af; }
.iq-field input:focus,
.iq-field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(63, 146, 224, 0.16);
  background: #fff;
}
.iq-field textarea { resize: vertical; min-height: 92px; }
.iq-msg {
  display: none;
  font-size: 13px;
  padding: 10px 14px;
  border-radius: 10px;
  margin-bottom: 14px;
}
.iq-msg.error { display: block; background: rgba(239,68,68,0.08); color: #991b1b; border: 1px solid rgba(239,68,68,0.2); }
.iq-msg.success { display: block; background: rgba(34,197,94,0.08); color: #166534; border: 1px solid rgba(34,197,94,0.25); }
.iq-submit {
  width: 100%;
  justify-content: center;
  height: 48px;
  font-size: 15px;
  border-radius: 10px;
}
.iq-tip {
  text-align: center;
  font-size: 13px;
  color: #6b7280;
  margin: 16px 0 0;
}
.iq-tip i { color: var(--accent); }
.iq-tip a { color: var(--accent-dark, #1e6cc0); font-weight: 700; text-decoration: none; }
.iq-tip a:hover { text-decoration: underline; }

/* =========== 悬浮「点击留言」金色按钮 =========== */
.float-btn.iq-entry {
  background: var(--accent-gradient);
  color: #1e5aa8;
  box-shadow: 0 8px 22px rgba(63, 146, 224, 0.4);
  animation: iq-pulse 2.4s ease-in-out infinite;
}
.float-btn.iq-entry:hover { color: #0e3a70; transform: translateY(-3px); }
@keyframes iq-pulse {
  0%, 100% { box-shadow: 0 8px 22px rgba(63, 146, 224, 0.4), 0 0 0 0 rgba(63, 146, 224, 0.45); }
  50% { box-shadow: 0 8px 22px rgba(63, 146, 224, 0.4), 0 0 0 12px rgba(63, 146, 224, 0); }
}
@media (max-width: 576px) {
  #inquiryModal { padding: 12px; align-items: flex-end; }
  .iq-head { padding: 22px 52px 20px 22px; }
  #inquiryModal form { padding: 20px 22px 24px; }
  .iq-row { grid-template-columns: 1fr; gap: 0; }
  .iq-head h3 { font-size: 19px; }
}

/* =========== PBootCMS 分页数字条（page:numbar 输出适配） =========== */
.pagination .page-num {
  min-width: 42px;
  height: 42px;
  padding: 0 10px;
  margin: 0 2px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font-display);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s ease;
}
.pagination .page-num:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}
.pagination .page-num-current {
  background: var(--primary-gradient);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 6px 16px rgba(14, 58, 112, 0.28);
  pointer-events: none;
}

/* =========== 单页/详情正文排版（后台编辑器内容兜底样式） =========== */
.article-body h2 {
  font-size: 22px;
  color: var(--primary);
  margin: var(--space-6) 0 var(--space-3);
  padding-left: 12px;
  border-left: 4px solid var(--accent);
}
.article-body h3 {
  font-size: 18px;
  color: var(--primary);
  margin: var(--space-5) 0 var(--space-3);
}
.article-body p {
  font-size: 15px;
  line-height: 1.9;
  color: var(--text);
  margin-bottom: var(--space-3);
}
.article-body ul, .article-body ol {
  padding-left: 24px;
  margin-bottom: var(--space-4);
}
.article-body li {
  font-size: 15px;
  line-height: 1.9;
  color: var(--text);
  margin-bottom: 6px;
}
.article-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  margin: var(--space-3) 0;
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-4) 0;
}
.article-body table td, .article-body table th {
  border: 1px solid var(--border);
  padding: 10px 14px;
  font-size: 14px;
  text-align: left;
}
.article-body table th {
  background: rgba(14, 58, 112, 0.06);
  color: var(--primary);
  font-weight: 700;
}