/* ================================================
   MATRIX3 - 现代化企业官网主题
   设计理念：科技感、沉浸式、数据驱动
   ================================================ */

/* === CSS 变量 === */
:root {
  /* 提亮版科技风 - 保持现代感，大幅提升亮度 */
  --primary: #1a2744;
  --primary-light: #f0f4f8;
  --primary-mid: #e8eef5;
  --accent: #2563eb;
  --accent-light: #3b82f6;
  --accent-dark: #1d4ed8;
  --gradient-primary: linear-gradient(135deg, #1e3a5f 0%, #2d5a87 40%, #1e4976 100%);
  --gradient-accent: linear-gradient(135deg, #2563eb 0%, #0891b2 100%);
  --gradient-glow: linear-gradient(135deg, rgba(37,99,235,0.15) 0%, rgba(8,145,178,0.12) 100%);
  --text: #1e293b;
  --text-muted: #55657a;
  --card-bg: #ffffff;
  --card-bg-alt: #f7fafc;
  --card-border: rgba(37,99,235,0.12);
  --glass: rgba(255,255,255,0.85);
  --radius: 16px;
  --radius-lg: 24px;
  --shadow: 0 20px 60px -15px rgba(30,58,95,0.15);
  --shadow-glow: 0 8px 32px rgba(37,99,235,0.18);
}

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--primary-light);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; transition: all .3s; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* === 容器 === */
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.container-lg { max-width: 1440px; margin: 0 auto; padding: 0 32px; }

/* ================================================
   顶部导航 - 玻璃态悬浮
   ================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  background: var(--glass);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--card-border);
  transition: all .4s;
}
.site-header.scrolled {
  padding: 12px 0;
  background: rgba(255,255,255,0.92);
  box-shadow: 0 4px 20px rgba(30,58,95,0.08);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
}
.logo img { height: 40px; width: auto; }
.logo-text span { display: block; font-size: 11px; color: var(--text-muted); font-weight: 400; letter-spacing: 2px; }

/* 主导航 */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-menu a {
  padding: 10px 20px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: 8px;
  transition: all .3s;
}
.nav-menu a:hover {
  color: var(--accent);
  background: rgba(37,99,235,0.06);
}
.nav-menu a.active {
  color: var(--accent);
  background: rgba(37,99,235,0.08);
}

/* CTA 按钮 - 实心红蓝醒目 */
.nav-menu a.nav-cta {
  margin-left: 16px;
  padding: 11px 28px;
  background: #1e40af !important;
  color: #ffffff !important;
  font-size: 15px !important;
  font-weight: 700 !important;
  border-radius: 8px;
  border: none;
  letter-spacing: 1px;
  transition: all .3s;
}
.nav-menu a.nav-cta:hover {
  background: #1e3a8a !important;
  color: #ffffff !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(30,64,175,0.4);
}

/* 移动端菜单 */
.hamburger {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  background: transparent;
  border: 1px solid var(--card-border);
  border-radius: 10px;
  cursor: pointer;
}
.hamburger span {
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all .3s;
}

/* ================================================
   Hero 区域 - 全屏沉浸式
   ================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #1a2744 0%, #2d4a6f 35%, #3b6a9a 70%, #4a7fb5 100%);
  overflow: hidden;
}

/* 动态背景 - 柔和光晕 */
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 100% 60% at 30% 10%, rgba(120,180,255,0.18) 0%, transparent 55%),
    radial-gradient(ellipse 70% 50% at 75% 65%, rgba(100,200,230,0.12) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 15% 85%, rgba(140,190,255,0.1) 0%, transparent 50%);
}

/* 网格背景 - 更柔和 */
.hero-grid {
  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: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 15%, transparent 70%);
}

/* 浮动粒子 */
.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: rgba(200,225,255,0.7);
  border-radius: 50%;
  opacity: 0.6;
  animation: float 20s infinite linear;
}
.particle:nth-child(1) { left: 10%; top: 20%; animation-delay: 0s; }
.particle:nth-child(2) { left: 20%; top: 60%; animation-delay: -5s; }
.particle:nth-child(3) { left: 60%; top: 30%; animation-delay: -10s; }
.particle:nth-child(4) { left: 80%; top: 70%; animation-delay: -15s; }
.particle:nth-child(5) { left: 40%; top: 80%; animation-delay: -8s; }
@keyframes float {
  0%, 100% { transform: translateY(0) translateX(0); opacity: 0.3; }
  25% { transform: translateY(-100px) translateX(50px); opacity: 0.6; }
  50% { transform: translateY(-50px) translateX(-30px); opacity: 0.4; }
  75% { transform: translateY(-150px) translateX(20px); opacity: 0.5; }
}

/* Hero 内容 */
.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 0 24px;
  max-width: 900px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(37,99,235,0.08);
  border: 1px solid var(--card-border);
  border-radius: 50px;
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 24px;
}
.hero-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

.hero h1 {
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  color: #fff;
  text-shadow: 0 2px 24px rgba(0,0,0,0.15);
}

.hero-subtitle {
  font-size: clamp(16px, 2vw, 20px);
  color: rgba(255,255,255,0.8);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 12px;
  cursor: pointer;
  transition: all .3s;
  border: none;
}
.btn-primary {
  background: var(--gradient-accent);
  color: #fff;
  box-shadow: 0 8px 30px rgba(37,99,235,0.35);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(37,99,235,0.45);
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 2px solid var(--card-border);
}
.btn-outline:hover {
  background: rgba(37,99,235,0.05);
  border-color: var(--accent);
}

/* Hero 统计数据 */
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 80px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.stat-item {
  text-align: center;
}
.stat-number {
  font-size: 48px;
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  margin-top: 4px;
}

/* 滚动提示 */
.scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.45);
  font-size: 12px;
  animation: bounce 2s infinite;
}
.scroll-hint::after {
  content: '';
  width: 24px;
  height: 40px;
  border: 2px solid rgba(255,255,255,0.25);
  border-radius: 12px;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(10px); }
}

/* ================================================
   区块通用样式
   ================================================ */
.section {
  padding: 120px 0;
  position: relative;
}
.section-alt { background: var(--primary-mid); }
.section-dark { background: var(--gradient-primary); }

.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(37,99,235,0.06);
  border: 1px solid var(--card-border);
  border-radius: 50px;
  font-size: 12px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--text);
}
.section-desc {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* ================================================
   产品展示 - 3D 卡片网格
   ================================================ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.product-card {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all .4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 20px rgba(30,58,95,0.08);
}
.product-card:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}

.product-image {
  position: relative;
  height: 220px;
  overflow: hidden;
}
.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s;
}
.product-card:hover .product-image img {
  transform: scale(1.1);
}

.product-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 14px;
  background: rgba(37,99,235,0.9);
  border-radius: 50px;
  font-size: 11px;
  font-weight: 600;
  color: #fff;
  backdrop-filter: blur(10px);
}

.product-content {
  padding: 28px;
}

.product-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}

.product-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-light);
}
.product-link:hover {
  gap: 10px;
}

/* ================================================
   解决方案 - 交错布局
   ================================================ */
.solutions-list {
  display: flex;
  flex-direction: column;
  gap: 80px;
}

.solution-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.solution-item:nth-child(even) {
  direction: rtl;
}
.solution-item:nth-child(even) > * {
  direction: ltr;
}

.solution-visual {
  position: relative;
}
.solution-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.solution-image img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.solution-badge {
  position: absolute;
  bottom: -20px;
  right: 20px;
  padding: 16px 24px;
  background: var(--gradient-accent);
  border-radius: 12px;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  box-shadow: 0 10px 30px rgba(37,99,235,0.35);
}

.solution-content h3 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--text);
}
.solution-content p {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 24px;
}

.solution-features {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.solution-features span {
  padding: 8px 16px;
  background: rgba(37,99,235,0.06);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  font-size: 13px;
  color: var(--accent);
}

/* ================================================
   案例展示 - Logo 流
   ================================================ */
.cases-section {
  background: var(--primary-mid);
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}

.case-card {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  transition: all .3s;
  box-shadow: 0 2px 12px rgba(30,58,95,0.06);
}
.case-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(37,99,235,0.15);
}
.case-card span {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

/* ================================================
   新闻动态 - 时间线样式
   ================================================ */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 24px;
}

.news-card {
  display: flex;
  flex-direction: column;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all .3s;
  box-shadow: 0 2px 12px rgba(30,58,95,0.06);
}
.news-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(37,99,235,0.15);
}

.news-image {
  height: 180px;
  overflow: hidden;
}
.news-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s;
}
.news-card:hover .news-image img {
  transform: scale(1.05);
}

.news-content {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.news-date {
  font-size: 12px;
  color: var(--accent-light);
  margin-bottom: 8px;
}

.news-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.4;
}

.news-excerpt {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  flex: 1;
}

/* ================================================
   CTA 区域
   ================================================ */
.cta-section {
  position: relative;
  padding: 100px 0;
  background: var(--gradient-primary);
  overflow: hidden;
}

.cta-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 50% at 50% 100%, rgba(59,130,246,0.2) 0%, transparent 60%);
}

.cta-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  margin-bottom: 16px;
  color: #fff;
}

.cta-content p {
  font-size: 17px;
  color: rgba(255,255,255,0.75);
  margin-bottom: 32px;
}

/* ================================================
   页脚
   ================================================ */
.site-footer {
  background: #152238;
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 80px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 16px;
  color: #fff;
}
.footer-brand p {
  font-size: 14px;
  color: #8a9bb5;
  line-height: 1.7;
}

.footer-links h4 {
  font-size: 15px;
  font-weight: 700;
  color: #e8eef5;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.footer-links ul li {
  margin-bottom: 12px;
}
.footer-links ul a {
  font-size: 14px;
  color: #8a9bb5;
}
.footer-links ul a:hover {
  color: var(--accent-light);
}

.footer-contact p {
  font-size: 14px;
  color: #8a9bb5;
  margin-bottom: 8px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 13px;
  color: #6a7b92;
}

/* ================================================
   内页样式
   ================================================ */
.page-banner {
  position: relative;
  padding: 160px 0 80px;
  background: var(--gradient-primary);
  text-align: center;
}
.page-banner h1 {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  margin-bottom: 12px;
  color: #fff;
}
.page-banner p {
  font-size: 16px;
  color: rgba(255,255,255,0.7);
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 32px;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
}
.breadcrumb a:hover { color: var(--accent-light); }

.content-area {
  padding: 80px 0;
}
.content-area article {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: 0 4px 20px rgba(30,58,95,0.06);
}
.content-area h1 { font-size: 32px; font-weight: 800; margin-bottom: 16px; }
.content-area h2 { font-size: 24px; font-weight: 700; margin: 32px 0 16px; }
.content-area p { margin-bottom: 16px; line-height: 1.8; }

/* ================================================
   响应式设计
   ================================================ */
@media (max-width: 1024px) {
  .solution-item { grid-template-columns: 1fr; gap: 40px; }
  .solution-item:nth-child(even) { direction: ltr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .nav-menu { display: none; }
  .hamburger { display: flex; }

  .nav-menu.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    background: #fff;
    padding: 80px 24px 24px;
    border-left: 1px solid var(--card-border);
    box-shadow: -10px 0 40px rgba(30,58,95,0.15);
    animation: slideIn .3s ease;
  }
  @keyframes slideIn {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
  }

  .hero-stats { flex-direction: column; gap: 24px; }
  .section { padding: 80px 0; }
  .products-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
}

/* === 动画工具类 === */
.fade-in { animation: fadeIn .6s ease forwards; }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ================================================
   首页 V2 - 全新设计（参考 chinaawm.com）
   ================================================ */

/* --- Hero V2：左右分栏 + 波浪底 --- */
.hero-v2 {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #1a3a5c 0%, #2563ab 40%, #1e6b9e 70%, #2878a8 100%);
}
/* 视频背景 */
.hero-v2-video {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 120%;
  height: 120%;
  object-fit: cover;
  transform: translate(-50%, -50%);
  z-index: 0;
}
.hero-v2-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(26,58,92,0.7) 0%, rgba(26,58,92,0.3) 50%, rgba(26,58,92,0.5) 100%);
  z-index: 1;
}

.hero-v2-content {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

/* 左侧文案 */
.hero-v2-text { flex: 1; max-width: 600px; }
.hero-v2-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 50px;
  font-size: 13px;
  color: rgba(255,255,255,0.9);
  margin-bottom: 28px;
  backdrop-filter: blur(10px);
}
.hero-v2-badge::before {
  content: '';
  width: 8px; height: 8px;
  background: #4ade80;
  border-radius: 50%;
  animation: pulse 2s infinite;
}
.hero-v2 h1 {
  font-size: clamp(36px, 5.5vw, 64px);
  font-weight: 800;
  line-height: 1.15;
  color: #fff;
  margin-bottom: 24px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.15);
}
.hero-v2-highlight {
  background: linear-gradient(135deg, #60a5fa 0%, #34d399 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-v2-desc {
  font-size: clamp(15px, 1.8vw, 17px);
  color: rgba(255,255,255,0.75);
  line-height: 1.8;
  margin-bottom: 36px;
}
.hero-v2-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn-outline-light {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 12px;
  cursor: pointer;
  transition: all .3s;
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.35);
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.55);
}

/* 右侧数据卡片 */
.hero-v2-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 300px;
  flex-shrink: 0;
}
.hv2-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 24px;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 16px;
  transition: all .3s;
}
.hv2-card:hover {
  background: rgba(255,255,255,0.16);
  transform: translateX(-6px);
}
.hv2-card-icon {
  font-size: 28px;
  width: 52px; height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.1);
  border-radius: 14px;
  flex-shrink: 0;
}
.hv2-card-num {
  font-size: 30px;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}
.hv2-card-num span { font-size: 16px; font-weight: 600; }
.hv2-card-label {
  font-size: 13px;
  color: rgba(255,255,255,0.65);
  margin-top: 4px;
}

/* 波浪分隔 */
.hero-wave {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  line-height: 0;
}
.hero-wave svg { width: 100%; height: 80px; }

/* --- 产品卡片 V2 --- */
.products-grid-v2 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.product-card-v2 {
  display: block;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all .4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 20px rgba(30,58,95,0.06);
}
.product-card-v2:hover {
  transform: translateY(-8px);
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}
.pcv2-img {
  position: relative;
  height: 200px;
  overflow: hidden;
}
.pcv2-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s;
}
.product-card-v2:hover .pcv2-img img { transform: scale(1.08); }
.pcv2-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(37,99,235,0.85) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 20px;
  opacity: 0;
  transition: opacity .3s;
}
.product-card-v2:hover .pcv2-overlay { opacity: 1; }
.pcv2-more {
  color: #fff;
  font-size: 14px;
  font-weight: 600;
}
.pcv2-body { padding: 24px; }
.pcv2-body h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}
.pcv2-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}
.pcv2-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.pcv2-tags span {
  padding: 4px 12px;
  background: rgba(37,99,235,0.06);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  font-size: 12px;
  color: var(--accent);
}

/* --- 特色亮点双栏 --- */
.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}
.feature-block {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 44px;
  box-shadow: 0 4px 20px rgba(30,58,95,0.05);
}
.feature-icon-wrap {
  width: 64px; height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  font-size: 28px;
  margin-bottom: 24px;
}
.feature-icon-blue { background: linear-gradient(135deg, #dbeafe, #bfdbfe); }
.feature-icon-cyan { background: linear-gradient(135deg, #cffafe, #a5f3fc); }
.feature-block h3 {
  font-size: 24px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 14px;
}
.feature-block > p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 20px;
}
.feature-list {
  list-style: none;
  padding: 0;
  margin-bottom: 24px;
}
.feature-list li {
  position: relative;
  padding: 8px 0 8px 24px;
  font-size: 14px;
  color: #475569;
  border-bottom: 1px solid #f1f5f9;
}
.feature-list li:last-child { border-bottom: none; }
.feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}
.feature-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
  transition: gap .2s;
}
.feature-link:hover { gap: 10px; }

/* --- 业务流程 --- */
.process-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 32px 0;
}
.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 24px 20px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  min-width: 130px;
  transition: all .3s;
  box-shadow: 0 2px 12px rgba(30,58,95,0.04);
}
.process-step:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(37,99,235,0.12);
}
.process-num {
  font-size: 13px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 1px;
}
.process-icon { font-size: 28px; }
.process-step h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  text-align: center;
  line-height: 1.35;
}
.process-arrow {
  font-size: 20px;
  color: #cbd5e1;
  font-weight: 300;
}

/* --- 案例 V2 --- */
.cases-grid-v2 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.case-card-v2 {
  display: block;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all .3s;
  box-shadow: 0 2px 12px rgba(30,58,95,0.04);
  text-decoration: none;
  color: inherit;
}
.case-card-v2:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(37,99,235,0.12);
}
.ccv2-img {
  height: 180px;
  overflow: hidden;
}
.ccv2-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s;
}
.case-card-v2:hover .ccv2-img img { transform: scale(1.06); }
.ccv2-info {
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.ccv2-info h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
}
.ccv2-link {
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
  white-space: nowrap;
}

/* --- 关于 + 新闻 双栏 --- */
.about-news-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.about-block h2 {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 800;
  color: var(--text);
  line-height: 1.3;
  margin: 16px 0 24px;
}
.about-block p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
}

.news-block {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: 0 4px 20px rgba(30,58,95,0.05);
}
.news-block-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}
.news-block-more {
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
}
.news-block h2 {
  font-size: 24px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 24px;
}
.news-list-v2 { display: flex; flex-direction: column; gap: 0; }
.news-item-v2 {
  display: flex;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid #f1f5f9;
  transition: background .2s;
}
.news-item-v2:last-child { border-bottom: none; }
.news-item-v2:hover { background: rgba(37,99,235,0.02); margin: 0 -36px; padding-left: 36px; padding-right: 36px; }
.niv2-date {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 56px;
  padding: 10px;
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  border-radius: 12px;
  text-align: center;
  flex-shrink: 0;
}
.niv2-day {
  font-size: 22px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.niv2-month {
  font-size: 11px;
  color: #64748b;
  margin-top: 2px;
}
.niv2-info h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
  line-height: 1.35;
}
.niv2-info p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* --- CTA V2 --- */
.cta-section-v2 {
  position: relative;
  padding: 100px 0;
  background: linear-gradient(135deg, #1a3a5c 0%, #2563ab 60%, #1e6b9e 100%);
  overflow: hidden;
}
.cta-v2-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 50% at 50% 100%, rgba(74,222,128,0.1) 0%, transparent 55%);
}
.cta-v2-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}
.cta-v2-content h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}
.cta-v2-content p {
  font-size: 17px;
  color: rgba(255,255,255,0.75);
  margin-bottom: 36px;
}
.cta-v2-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 32px;
}
.btn-lg {
  padding: 18px 40px;
  font-size: 16px;
  border-radius: 14px;
}
.cta-v2-contact {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  font-size: 14px;
  color: rgba(255,255,255,0.55);
}

/* --- 响应式补充 --- */
@media (max-width: 1024px) {
  .hero-v2-content { flex-direction: column; text-align: center; }
  .hero-v2-text { max-width: 100%; }
  .hero-v2-actions { justify-content: center; }
  .hero-v2-cards { width: 100%; flex-direction: row; flex-wrap: wrap; justify-content: center; }
  .hv2-card { flex: 1; min-width: 200px; }
  .products-grid-v2 { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: 1fr; gap: 32px; }
  .cases-grid-v2 { grid-template-columns: repeat(2, 1fr); }
  .about-news-grid { grid-template-columns: 1fr; gap: 40px; }
  .process-flow { gap: 6px; }
  .process-step { min-width: 100px; padding: 18px 14px; }
  .process-arrow { display: none; }
}

@media (max-width: 768px) {
  .products-grid-v2 { grid-template-columns: 1fr; }
  .cases-grid-v2 { grid-template-columns: 1fr; }
  .hero-v2-cards { flex-direction: column; }
  .hv2-card { width: 100%; }
  .cta-v2-contact { flex-direction: column; gap: 12px; }
}