/* ============================================
   aigczn.com 全新视觉样式表
   广东智慧兆能科技有限公司官网
   设计方向：深空科技 · 玻璃拟态 · 青色点缀
   覆盖：首页 + 所有内页（关于/产品/案例/新闻/联系/AI情报）
   ============================================ */

/* === CSS 变量 === */
:root {
  --bg-deep: #060b1a;
  --bg-primary: #0a1128;
  --bg-card: rgba(255,255,255,0.03);
  --bg-card-hover: rgba(255,255,255,0.06);
  --glass-border: rgba(255,255,255,0.06);
  --glass-border-hover: rgba(0,212,255,0.3);
  --accent: #00d4ff;
  --accent-glow: rgba(0,212,255,0.15);
  --accent2: #7c3aed;
  --text-primary: #e8eaf6;
  --text-secondary: rgba(200,210,230,0.7);
  --text-muted: rgba(160,170,190,0.5);
  --radius: 14px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; overflow-x:hidden; }
body {
  font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
  color: var(--text-primary);
  background: var(--bg-deep);
  line-height: 1.7;
  overflow-x: hidden;
  padding-top: 68px;
  -webkit-font-smoothing: antialiased;
}

/* === 全局背景纹理 === */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0,212,255,0.06) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 100% 80%, rgba(124,58,237,0.04) 0%, transparent 50%),
    var(--bg-deep);
}
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.03;
  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: 60px 60px;
  pointer-events: none;
}

a { text-decoration:none; color:inherit; }
img { max-width:100%; height:auto; display:block; }
.container { max-width:1200px; margin:0 auto; padding:0 28px; }
.text-center { text-align:center; }
.mt-30 { margin-top:30px; }
.mt-40 { margin-top:40px; }

/* === 按钮 === */
.btn {
  display:inline-flex; align-items:center; gap:8px;
  padding:13px 34px; border-radius:50px;
  font-size:15px; font-weight:600; letter-spacing:0.3px;
  cursor:pointer; transition:var(--transition);
  border:1.5px solid transparent;
  position:relative; overflow:hidden;
}
.btn::after {
  content:''; position:absolute; inset:0;
  background:linear-gradient(135deg, transparent 40%, rgba(255,255,255,0.1) 50%, transparent 60%);
  transform:translateX(-100%); transition:0.5s;
}
.btn:hover::after { transform:translateX(100%); }

.btn-primary {
  background:linear-gradient(135deg, #00a8cc, #00d4ff);
  color:#060b1a; border:none; font-weight:700;
  box-shadow: 0 4px 24px rgba(0,212,255,0.25);
}
.btn-primary:hover {
  transform:translateY(-3px);
  box-shadow: 0 8px 36px rgba(0,212,255,0.4);
}

.btn-outline {
  border-color:rgba(255,255,255,0.2); color:var(--text-primary);
  backdrop-filter:blur(10px);
}
.btn-outline:hover {
  border-color:var(--accent);
  background:rgba(0,212,255,0.08);
  color:var(--accent);
  transform:translateY(-2px);
}

.btn-white {
  background:#fff; color:#0a1128; border:none; font-weight:700;
}
.btn-white:hover {
  transform:translateY(-3px);
  box-shadow:0 8px 32px rgba(255,255,255,0.2);
}
.btn-block { width:100%; justify-content:center; }

/* === 导航栏 === */
.header {
  position:fixed; top:0; left:0; width:100%; z-index:999;
  padding:10px 0;
  transition:padding var(--transition), box-shadow var(--transition);
}
.header::before {
  content:''; position:absolute; inset:0; z-index:-1;
  background:rgba(6,11,26,0.85);
  backdrop-filter:blur(20px) saturate(180%);
  -webkit-backdrop-filter:blur(20px) saturate(180%);
  border-bottom:1px solid rgba(255,255,255,0.04);
}
.header.scrolled {
  padding:7px 0;
  box-shadow:0 4px 30px rgba(0,0,0,0.3);
}
.header .container {
  display:flex; align-items:center; gap:28px;
  flex-wrap:nowrap; position:relative;
}
.header-phone { display:none; }

.logo { flex-shrink:0; }
.logo a {
  color:#fff; font-size:18px; font-weight:700;
  letter-spacing:0.5px;
  display:flex; align-items:center; gap:8px;
  white-space:nowrap;
}
.logo a span { color:var(--accent); }

.nav { display:flex; gap:2px; margin-left:auto; }
.nav a {
  padding:9px 16px; border-radius:8px;
  color:rgba(255,255,255,0.7); font-size:14px; font-weight:500;
  transition:var(--transition); position:relative;
}
.nav a:hover { color:#fff; background:rgba(255,255,255,0.06); }
.nav a.active {
  color:var(--accent); background:rgba(0,212,255,0.08);
  font-weight:600;
}
.nav-highlight{}

.nav-toggle {
  display:none; background:none; border:none;
  color:#fff; font-size:22px; cursor:pointer; padding:6px;
}
.nav-toggle:hover { color:var(--accent); }

/* === 页面Banner（所有内页共用） === */
.page-banner {
  background:linear-gradient(180deg,
    rgba(0,212,255,0.04) 0%,
    rgba(6,11,26,0.95) 100%);
  padding:80px 0 50px; text-align:center;
  border-bottom:1px solid rgba(255,255,255,0.04);
}
.page-banner h1 {
  font-size:clamp(26px, 4vw, 38px); font-weight:800; color:#fff;
  margin-bottom:10px; letter-spacing:-0.2px;
}
.page-banner p {
  color:var(--text-secondary); font-size:15px;
}

/* === 面包屑 === */
.breadcrumb {
  display:flex; align-items:center; gap:8px;
  justify-content:center; margin-top:14px;
  font-size:13px; color:var(--text-muted);
}
.breadcrumb a { color:var(--text-secondary); transition:var(--transition); }
.breadcrumb a:hover { color:var(--accent); }
.breadcrumb span { color:var(--accent); }

/* === Hero 大屏 === */
.hero {
  min-height:88vh; display:flex; flex-direction:column;
  position:relative; overflow:hidden;
}
.hero-bg { position:absolute; inset:0; }
.hero-particles {
  position:absolute; inset:0;
  background-image:radial-gradient(circle, rgba(0,212,255,0.12) 1px, transparent 1px);
  background-size:50px 50px;
  animation:drift 25s linear infinite;
}
@keyframes drift { from{background-position:0 0} to{background-position:50px 50px} }

.hero::before {
  content:''; position:absolute;
  top:-30%; right:-20%; width:700px; height:700px;
  background:radial-gradient(circle, rgba(0,212,255,0.08) 0%, transparent 70%);
  pointer-events:none; animation:floatGlow 8s ease-in-out infinite;
}
.hero::after {
  content:''; position:absolute;
  bottom:-20%; left:-15%; width:500px; height:500px;
  background:radial-gradient(circle, rgba(124,58,237,0.07) 0%, transparent 70%);
  pointer-events:none; animation:floatGlow 10s ease-in-out infinite reverse;
}
@keyframes floatGlow {
  0%,100% { transform:translate(0,0) scale(1); }
  50% { transform:translate(30px,-20px) scale(1.1); }
}

.hero .container {
  flex:1; display:flex; align-items:center;
  position:relative; z-index:1; padding-top:60px;
}
.hero-content { max-width:680px; }

.hero-badge {
  display:inline-flex; align-items:center; gap:6px;
  background:rgba(0,212,255,0.1);
  border:1px solid rgba(0,212,255,0.2);
  color:var(--accent); padding:7px 20px;
  border-radius:50px; font-size:13px; font-weight:600;
  margin-bottom:24px; letter-spacing:0.5px;
}
.hero-badge::before {
  content:''; display:inline-block; width:7px; height:7px;
  background:var(--accent); border-radius:50%;
  box-shadow:0 0 10px var(--accent);
  animation:pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:0.4; } }

.hero-title {
  font-size:clamp(30px, 5.5vw, 56px); font-weight:800;
  color:#fff; line-height:1.2; margin-bottom:20px;
  letter-spacing:-0.3px;
}
.hero-title em { font-style:normal; color:var(--accent); }
.hero-subtitle {
  font-size:17px; color:var(--text-secondary);
  margin-bottom:38px; max-width:500px; line-height:1.8;
}
.hero-btns { display:flex; gap:16px; flex-wrap:wrap; }

.hero-stats {
  position:relative; z-index:1;
  background:rgba(255,255,255,0.02);
  backdrop-filter:blur(15px);
  border-top:1px solid rgba(255,255,255,0.04);
}
.stats-row {
  display:flex; justify-content:space-around;
  padding:28px 0; flex-wrap:wrap;
}
.stat-item { text-align:center; color:#fff; }
.stat-num { font-size:38px; font-weight:800; color:#fff; }
.stat-unit { font-size:22px; font-weight:700; color:var(--accent); margin-left:2px; }
.stat-item p { font-size:13px; color:var(--text-muted); margin-top:6px; letter-spacing:0.5px; }

/* === 通用 Section === */
.section { padding:90px 0; position:relative; }
.section-gray {
  background:rgba(255,255,255,0.015);
  border-top:1px solid rgba(255,255,255,0.03);
  border-bottom:1px solid rgba(255,255,255,0.03);
}
.section-dark {
  background:linear-gradient(180deg, rgba(0,212,255,0.03) 0%, transparent 50%, rgba(124,58,237,0.03) 100%);
}

.section-header { text-align:center; margin-bottom:60px; }
.section-tag {
  display:inline-block;
  background:rgba(0,212,255,0.06);
  border:1px solid rgba(0,212,255,0.12);
  color:var(--accent); padding:5px 18px;
  border-radius:50px; font-size:13px; font-weight:600;
  margin-bottom:16px; letter-spacing:0.5px;
}
.section-dark .section-tag {
  background:rgba(0,212,255,0.1);
  border-color:rgba(0,212,255,0.2);
}
.section-title {
  font-size:clamp(24px, 3.8vw, 38px); font-weight:800;
  margin-bottom:14px; letter-spacing:-0.2px;
  background:linear-gradient(135deg, #fff 0%, rgba(200,210,230,0.8) 100%);
  -webkit-background-clip:text; -webkit-text-fill-color:transparent;
  background-clip:text;
}
.section-desc {
  color:var(--text-secondary); max-width:600px; margin:0 auto;
  font-size:15px; line-height:1.7;
}

/* === 产品卡片 === */
.products-grid {
  display:grid; grid-template-columns:repeat(3, 1fr); gap:24px;
}
.products-grid-full {
  grid-template-columns:repeat(auto-fill, minmax(320px, 1fr));
}
.product-card {
  background:var(--bg-card);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
  padding:36px 30px; position:relative;
  transition:var(--transition);
  backdrop-filter:blur(10px);
  overflow:hidden;
}
.product-card::before {
  content:''; position:absolute; top:0; left:0; right:0; height:1px;
  background:linear-gradient(90deg, transparent, rgba(0,212,255,0.3), transparent);
  opacity:0; transition:var(--transition);
}
.product-card:hover::before { opacity:1; }
.product-card:hover {
  transform:translateY(-8px);
  border-color:var(--glass-border-hover);
  background:var(--bg-card-hover);
  box-shadow:0 16px 48px rgba(0,212,255,0.08), 0 0 0 1px rgba(0,212,255,0.05);
}
.product-icon{display:none}
.product-card h3 {
  font-size:18px; color:#fff; font-weight:700; margin-bottom:6px;
}
.product-sub {
  color:var(--accent); font-size:13px; font-weight:600;
  margin-bottom:14px; letter-spacing:0.3px;
}
.product-desc {
  color:var(--text-secondary); font-size:14px; line-height:1.7;
  margin-bottom:18px;
}
.product-features {
  list-style:none; font-size:13px; color:var(--text-muted);
  margin-bottom:20px;
}
.product-features li {
  padding:4px 0; display:flex; align-items:center; gap:6px;
}
.product-features li::before {
  content:''; display:inline-block; width:5px; height:5px;
  background:var(--accent); border-radius:50%;
  flex-shrink:0;
}
.product-link {
  display:inline-flex; align-items:center; gap:4px;
  color:var(--accent); font-size:14px; font-weight:600;
  transition:gap var(--transition);
}
.product-link:hover { gap:10px; }
.product-category-tag {
  position:absolute; top:16px; right:16px;
  background:rgba(0,212,255,0.06);
  border:1px solid rgba(0,212,255,0.1);
  color:var(--accent); padding:3px 12px;
  border-radius:20px; font-size:11px; font-weight:600;
}

/* === 产品详情页 === */
.product-detail { max-width:800px; margin:0 auto; text-align:center; }
.product-detail-icon { font-size:64px; margin-bottom:16px; }
.product-detail h1 { font-size:30px; margin-bottom:8px; color:#fff; }
.product-detail-sub {
  color:var(--accent); font-size:16px; margin-bottom:20px;
}
.product-detail-desc {
  color:var(--text-secondary); line-height:1.9;
  margin-bottom:32px; text-align:left;
}
.product-features-detail {
  background:var(--bg-card);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
  padding:28px; margin:24px 0; text-align:left;
}
.product-features-detail h3 { color:#fff; margin-bottom:16px; font-size:16px; }
.product-features-detail ul { list-style:none; }
.product-features-detail li {
  padding:10px 0; border-bottom:1px solid var(--glass-border);
  display:flex; gap:10px; align-items:center;
  color:var(--text-secondary); font-size:14px;
}
.check { color:var(--accent); font-weight:bold; font-size:16px; }
.product-detail-cta { margin-top:32px; }

/* === 优势区 === */
.advantages-grid {
  display:grid; grid-template-columns:repeat(3, 1fr); gap:20px;
}
.adv-item {
  background:rgba(255,255,255,0.03);
  border:1px solid rgba(255,255,255,0.04);
  border-radius:var(--radius-lg);
  padding:32px 26px; text-align:center;
  transition:var(--transition);
  backdrop-filter:blur(5px);
}
.adv-item:hover {
  transform:translateY(-5px);
  background:rgba(255,255,255,0.05);
  border-color:rgba(0,212,255,0.15);
  box-shadow:0 12px 36px rgba(0,212,255,0.05);
}
.adv-icon{display:none}
.adv-item h4 { font-size:16px; font-weight:700; color:#fff; margin-bottom:8px; }
.adv-item p { font-size:13px; color:var(--text-secondary); line-height:1.6; }

/* === 案例卡片 === */
.cases-grid {
  display:grid; grid-template-columns:repeat(3, 1fr); gap:24px;
}
.cases-grid-full {
  grid-template-columns:repeat(auto-fill, minmax(360px, 1fr));
}
.case-card {
  background:var(--bg-card);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:var(--transition);
  backdrop-filter:blur(10px);
}
.case-card:hover {
  transform:translateY(-6px);
  border-color:var(--glass-border-hover);
  box-shadow:0 12px 40px rgba(0,212,255,0.06);
}
.case-img { width:100%; height:180px; object-fit:cover; }
.case-body { padding:28px 30px; }
.case-industry-tag {
  display:inline-block;
  background:rgba(0,212,255,0.08);
  color:var(--accent); padding:4px 14px;
  border-radius:20px; font-size:11px; font-weight:600;
  margin-bottom:16px; letter-spacing:0.5px;
}
.case-card h3 { font-size:17px; color:#fff; font-weight:700; margin-bottom:8px; }
.case-client { font-size:13px; color:var(--text-muted); margin-bottom:10px; }
.case-card > p { font-size:13px; color:var(--text-secondary); line-height:1.6; margin-bottom:14px; }
.case-result {
  font-size:13px; color:var(--accent); font-weight:600;
  padding:12px 16px; background:rgba(0,212,255,0.05);
  border-radius:var(--radius-sm); margin-bottom:14px;
  border-left:3px solid var(--accent);
}
.case-tags { display:flex; flex-wrap:wrap; gap:6px; }

/* === 标签 === */
.tag {
  display:inline-block;
  background:rgba(255,255,255,0.04);
  border:1px solid rgba(255,255,255,0.06);
  color:var(--text-muted); padding:3px 10px;
  border-radius:15px; font-size:11px;
  transition:var(--transition);
}
.tag:hover { border-color:rgba(0,212,255,0.2); color:var(--accent); }

/* === 新闻列表（首页） === */
.news-list {
  max-width:800px; margin:0 auto;
}
.news-item {
  display:flex; align-items:center; gap:16px;
  padding:18px 24px;
  background:rgba(255,255,255,0.02);
  border:1px solid rgba(255,255,255,0.03);
  border-radius:var(--radius-sm);
  margin-bottom:10px;
  transition:var(--transition);
}
.news-item:hover {
  background:rgba(255,255,255,0.04);
  border-color:rgba(0,212,255,0.1);
}
.news-type {
  flex-shrink:0; padding:4px 12px; border-radius:15px;
  font-size:11px; font-weight:600; letter-spacing:0.3px;
}
.news-type.notice { background:rgba(255,180,0,0.1); color:#ffb74d; }
.news-type.news { background:rgba(0,212,255,0.08); color:var(--accent); }
.news-title { flex:1; font-size:14px; color:var(--text-primary); transition:var(--transition); }
.news-title:hover { color:var(--accent); }
.news-date { font-size:12px; color:var(--text-muted); white-space:nowrap; }

/* === 新闻列表页 === */
.news-full-list { max-width:800px; margin:0 auto; }
.news-full-item {
  display:flex; gap:16px; padding:24px 0;
  border-bottom:1px solid rgba(255,255,255,0.04);
  transition:var(--transition);
}
.news-full-item:hover {
  border-bottom-color:rgba(0,212,255,0.15);
}
.news-full-body { flex:1; }
.news-full-title {
  display:block; font-size:17px; color:#fff;
  margin-bottom:8px; font-weight:600;
  transition:var(--transition);
}
.news-full-title:hover { color:var(--accent); }
.news-summary {
  color:var(--text-secondary); font-size:14px;
  margin-bottom:8px; line-height:1.6;
}
.article-wrap { max-width:800px; margin:0 auto; }
.article-header { margin-bottom:32px; }
.article-header h1 { font-size:26px; margin:12px 0; color:#fff; }
.article-meta {
  color:var(--text-muted); font-size:13px;
  display:flex; gap:16px;
}
.article-content {
  line-height:1.9; font-size:15px;
  color:var(--text-secondary);
}
.article-content p { margin-bottom:16px; }
.article-content h2, .article-content h3 { color:#fff; margin:24px 0 12px; }

.back-link {
  display:inline-flex; align-items:center; gap:6px;
  color:var(--accent); margin-bottom:24px; font-size:14px;
  transition:gap var(--transition);
}
.back-link:hover { gap:10px; }

/* === AI 情报区（首页） === */
.ai-intelligence-section {
  background:linear-gradient(180deg,
    rgba(0,212,255,0.02) 0%,
    transparent 40%,
    transparent 60%,
    rgba(124,58,237,0.02) 100%);
}
.ai-intelligence-list {
  display:grid; grid-template-columns:repeat(3, 1fr); gap:24px;
}
.ai-intelligence-card {
  background:var(--bg-card);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
  padding:28px; transition:var(--transition);
  backdrop-filter:blur(10px);
}
.ai-intelligence-card:hover {
  transform:translateY(-4px);
  border-color:var(--glass-border-hover);
}
.ai-intel-header {
  display:flex; justify-content:space-between; align-items:center;
  margin-bottom:14px;
}
.ai-intel-date {
  font-size:12px; color:var(--text-muted);
  font-family:'SF Mono','Consolas',monospace;
}
.ai-intel-number {
  font-size:11px; color:var(--accent); font-weight:600;
  background:rgba(0,212,255,0.08);
  padding:3px 10px; border-radius:15px;
}
.ai-intel-title {
  font-size:16px; color:#fff; font-weight:700;
  margin-bottom:10px; line-height:1.5;
}
.ai-intel-summary {
  font-size:13px; color:var(--text-secondary);
  line-height:1.6; margin-bottom:16px;
}
.ai-intel-tags { display:flex; flex-wrap:wrap; gap:6px; margin-bottom:16px; }
.ai-intel-tag {
  display:inline-block;
  background:rgba(124,58,237,0.08);
  color:rgba(200,180,255,0.8);
  padding:3px 10px; border-radius:15px; font-size:11px;
}
.ai-intel-link {
  display:inline-flex; align-items:center; gap:4px;
  color:var(--accent); font-size:13px; font-weight:600;
  transition:gap var(--transition);
}
.ai-intel-link:hover { gap:8px; }
.loading {
  grid-column:1/-1; text-align:center;
  padding:40px; color:var(--text-muted); font-size:14px;
}

/* 骨架屏加载 */
.ai-skeleton {
  background:linear-gradient(90deg,
    rgba(255,255,255,0.03) 25%,
    rgba(255,255,255,0.06) 50%,
    rgba(255,255,255,0.03) 75%);
  background-size:200% 100%;
  animation:ai-shimmer 1.5s ease-in-out infinite;
  border-radius:6px;
}
@keyframes ai-shimmer {
  0% { background-position:200% 0; }
  100% { background-position:-200% 0; }
}
.ai-skeleton-card {
  background:var(--bg-card);
  border:1px solid var(--glass-border);
  border-radius:var(--radius);
  padding:24px;
}
.ai-skeleton-title { height:20px; width:65%; margin-bottom:12px; }
.ai-skeleton-text { height:14px; width:85%; margin-bottom:8px; }
.ai-skeleton-text-short { height:14px; width:50%; margin-bottom:8px; }
.ai-skeleton-tag { display:inline-block; height:22px; width:56px; margin-right:6px; margin-bottom:12px; border-radius:12px; }
.ai-skeleton-meta { height:14px; width:40%; margin-top:12px; }

/* 空状态 */
.ai-empty-state {
  text-align:center; padding:60px 20px;
}
.ai-empty-icon {
  font-size:56px; margin-bottom:16px;
  opacity:0.6;
}
.ai-empty-title {
  font-size:17px; font-weight:600; color:var(--text-secondary); margin-bottom:8px;
}
.ai-empty-desc {
  font-size:14px; color:var(--text-muted);
}

/* === AI 情报列表页 === */
.ai-hero {
  background:linear-gradient(180deg, rgba(0,212,255,0.04), transparent);
  padding:48px 0 32px; text-align:center;
  border-bottom:1px solid rgba(255,255,255,0.03);
}
.ai-hero-content { max-width:700px; margin:0 auto; }
.ai-hero-title {
  font-size:clamp(24px, 3.5vw, 34px); font-weight:800; color:#fff;
  margin-bottom:10px;
}
.ai-hero-subtitle { color:var(--text-secondary); font-size:14px; }

.ai-layout { display:grid; grid-template-columns:1fr 280px; gap:36px; padding-top:36px; }
.ai-main { min-width:0; }
.ai-sidebar { position:sticky; top:88px; align-self:start; }

.ai-filter-bar {
  display:flex; flex-wrap:wrap; gap:10px; margin-bottom:28px;
  padding:20px;
  background:var(--bg-card);
  border:1px solid var(--glass-border);
  border-radius:var(--radius);
}
.ai-filter-tags { display:flex; flex-wrap:wrap; gap:8px; flex:1; }
.ai-filter-tag {
  padding:6px 16px; border-radius:20px; font-size:13px;
  cursor:pointer; transition:var(--transition);
  background:rgba(255,255,255,0.04);
  border:1px solid rgba(255,255,255,0.06);
  color:var(--text-secondary);
}
.ai-filter-tag:hover {
  border-color:rgba(0,212,255,0.2); color:#fff;
}
.ai-filter-tag.active {
  background:rgba(0,212,255,0.12);
  border-color:var(--accent);
  color:var(--accent); font-weight:600;
}
.ai-search-box {
  display:flex; gap:10px; margin-bottom:14px; width:100%;
}
.ai-search-box input {
  flex:1; padding:9px 16px; border-radius:20px;
  border:1px solid var(--glass-border);
  background:rgba(255,255,255,0.03);
  color:var(--text-primary); font-size:13px;
  outline:none; transition:var(--transition);
  min-width:0; font-family:inherit;
}
.ai-search-box input:focus { border-color:var(--accent); }
.ai-search-box input::placeholder { color:var(--text-muted); }
.ai-search-btn {
  padding:9px 20px; border-radius:20px;
  background:linear-gradient(135deg, #00a8cc, #00d4ff);
  color:#060b1a; border:none; font-size:13px;
  font-weight:600; cursor:pointer; transition:var(--transition);
  white-space:nowrap; flex-shrink:0;
}
.ai-search-btn:hover {
  transform:translateY(-1px);
  box-shadow:0 4px 16px rgba(0,212,255,0.3);
}

.ai-news-list { display:flex; flex-direction:column; gap:16px; }
.ai-news-item {
  background:var(--bg-card);
  border:1px solid var(--glass-border);
  border-radius:var(--radius);
  padding:24px; transition:var(--transition);
}
.ai-news-item:hover {
  border-color:var(--glass-border-hover);
  background:var(--bg-card-hover);
  transform:translateY(-2px);
  box-shadow:0 8px 32px rgba(0,212,255,0.06);
}
.ai-news-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:10px; }
.ai-news-number {
  font-size:12px; color:var(--accent); font-weight:600;
  background:rgba(0,212,255,0.08);
  padding:3px 10px; border-radius:12px;
}
.ai-news-date { font-size:12px; color:var(--text-muted); }
.ai-news-title {
  font-size:17px; color:#fff; font-weight:700;
  margin-bottom:8px; line-height:1.5;
  display:block; transition:var(--transition);
}
.ai-news-title:hover { color:var(--accent); }
.ai-news-summary {
  font-size:13px; color:var(--text-secondary);
  line-height:1.6; margin-bottom:14px;
}
.ai-news-tags { display:flex; flex-wrap:wrap; gap:6px; }
.ai-news-tag {
  display:inline-block;
  background:rgba(124,58,237,0.06);
  color:rgba(180,160,220,0.8);
  padding:2px 10px; border-radius:12px; font-size:11px;
}
.ai-news-link {
  display:inline-flex; align-items:center; gap:4px;
  color:var(--accent); font-size:13px; font-weight:600;
  transition:gap var(--transition);
}
.ai-news-link:hover { gap:8px; }
.ai-news-meta { display:flex; align-items:center; gap:16px; margin-top:12px; }
.ai-news-views { font-size:12px; color:var(--text-muted); }

/* AI 分页 */
.ai-pagination {
  display:flex; justify-content:center; align-items:center;
  gap:12px; margin-top:36px;
}
.ai-page-info { font-size:13px; color:var(--text-muted); }
.ai-page-btn {
  padding:8px 20px; border-radius:20px; font-size:13px;
  cursor:pointer; transition:var(--transition);
  background:var(--bg-card); border:1px solid var(--glass-border);
  color:var(--text-secondary);
}
.ai-page-btn:hover {
  border-color:var(--accent); color:var(--accent);
}

/* AI 侧栏小部件 */
.ai-widget {
  background:var(--bg-card);
  border:1px solid var(--glass-border);
  border-radius:var(--radius);
  padding:20px; margin-bottom:20px;
}
.ai-widget-title {
  font-size:14px; color:#fff; font-weight:700;
  margin-bottom:16px; padding-bottom:10px;
  border-bottom:1px solid var(--glass-border);
}
.ai-archive-list { list-style:none; display:flex; flex-direction:column; gap:8px; }
.ai-archive-item {
  display:flex; justify-content:space-between; align-items:center;
  padding:8px 10px; font-size:13px; border-radius:6px;
  transition:var(--transition); text-decoration:none; color:inherit;
}
.ai-archive-item:hover {
  background:rgba(0,212,255,0.05);
}
.ai-archive-year { color:var(--text-primary); font-weight:600; }
.ai-archive-month { color:var(--text-secondary); }
.ai-archive-count {
  color:var(--text-muted); font-size:11px;
  background:rgba(255,255,255,0.03); padding:2px 8px; border-radius:10px;
}
.ai-latest-list { list-style:none; display:flex; flex-direction:column; gap:10px; }
.ai-latest-item { 
  font-size:13px; display:block; text-decoration:none; color:inherit;
  padding:8px 10px; border-radius:6px; transition:var(--transition);
}
.ai-latest-item:hover { background:rgba(0,212,255,0.05); }
.ai-latest-date { color:var(--text-muted); font-size:11px; display:block; }
.ai-latest-title {
  color:var(--text-secondary); font-size:13px; line-height:1.5;
  display:block; transition:var(--transition);
}
.ai-latest-title:hover { color:var(--accent); }
.ai-tag-cloud { display:flex; flex-wrap:wrap; gap:8px; }
.ai-cloud-tag {
  padding:4px 12px; border-radius:15px; font-size:11px;
  cursor:pointer; transition:var(--transition);
  background:rgba(255,255,255,0.03);
  border:1px solid rgba(255,255,255,0.05);
  color:var(--text-secondary);
}
.ai-cloud-tag:hover {
  border-color:rgba(0,212,255,0.2); color:var(--accent);
}

/* === AI 情报详情页 === */
.ai-detail-section { margin-bottom:40px; }
.ai-detail-header { margin-bottom:32px; }
.ai-detail-breadcrumb {
  display:flex; align-items:center; gap:8px;
  font-size:13px; color:var(--text-muted); margin-bottom:20px;
}
.ai-detail-breadcrumb a { color:var(--text-secondary); transition:var(--transition); }
.ai-detail-breadcrumb a:hover { color:var(--accent); }
.ai-detail-breadcrumb .current { color:var(--accent); }
.ai-detail-meta {
  display:flex; align-items:center; gap:20px; margin-bottom:14px;
  flex-wrap:wrap;
}
.ai-detail-number {
  font-size:12px; color:var(--accent); font-weight:600;
  background:rgba(0,212,255,0.08);
  padding:3px 12px; border-radius:12px;
}
.ai-detail-date { font-size:13px; color:var(--text-muted); }
.ai-detail-views { font-size:13px; color:var(--text-muted); }
.ai-detail-title {
  font-size:clamp(20px, 3vw, 28px); color:#fff; font-weight:800;
  line-height:1.4; margin-bottom:16px;
}
.ai-detail-tags { display:flex; flex-wrap:wrap; gap:8px; }
.ai-detail-tag {
  display:inline-block;
  background:rgba(124,58,237,0.06);
  color:rgba(180,160,220,0.8);
  padding:3px 12px; border-radius:12px; font-size:12px;
}

/* KPI 网格 */
.ai-kpi-grid {
  display:grid; grid-template-columns:repeat(auto-fit, minmax(160px, 1fr));
  gap:14px; margin-bottom:36px;
}
.ai-kpi-card {
  background:var(--bg-card);
  border:1px solid var(--glass-border);
  border-radius:var(--radius);
  padding:20px; text-align:center;
}
.ai-kpi-value {
  font-size:28px; font-weight:800; color:var(--accent);
  margin-bottom:4px;
}
.ai-kpi-label { font-size:12px; color:var(--text-muted); }
.ai-section-title {
  font-size:20px; font-weight:700; color:#fff;
  margin-bottom:18px; padding-left:14px;
  border-left:3px solid var(--accent);
}

/* 要点卡片 */
.ai-highlight-section { margin-bottom:32px; }
.ai-highlight-badge {
  display:inline-block;
  background:rgba(0,212,255,0.1);
  color:var(--accent); padding:4px 14px;
  border-radius:12px; font-size:12px; font-weight:600;
  margin-bottom:16px;
}
.ai-highlight-card {
  background:var(--bg-card);
  border:1px solid var(--glass-border);
  border-radius:var(--radius);
  padding:24px; margin-bottom:14px;
}
.ai-highlight-title {
  font-size:16px; color:#fff; font-weight:700; margin-bottom:10px;
}
.ai-highlight-content {
  font-size:14px; color:var(--text-secondary); line-height:1.8;
}

/* 新闻卡片 */
.ai-news-detail-list { display:flex; flex-direction:column; gap:12px; }
.ai-news-detail-card {
  background:var(--bg-card);
  border:1px solid var(--glass-border);
  border-radius:var(--radius);
  padding:20px; transition:var(--transition);
}
.ai-news-detail-card:hover {
  border-color:var(--glass-border-hover);
}
.ai-news-detail-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:8px; }
.ai-news-detail-num {
  font-size:11px; font-weight:700; color:var(--accent);
  background:rgba(0,212,255,0.08);
  padding:2px 8px; border-radius:10px;
}
.ai-news-detail-title {
  font-size:15px; color:#fff; font-weight:600; margin-bottom:8px;
}
.ai-news-detail-content {
  font-size:13px; color:var(--text-secondary); line-height:1.7;
  margin-bottom:10px;
}
.ai-news-detail-why {
  font-size:12px; color:var(--accent); font-style:italic;
  padding:8px 12px; background:rgba(0,212,255,0.04);
  border-radius:6px; border-left:2px solid rgba(0,212,255,0.3);
}
.ai-news-detail-tags { display:flex; flex-wrap:wrap; gap:6px; margin-top:10px; }
.ai-news-detail-tag {
  display:inline-block; padding:2px 10px; border-radius:10px; font-size:11px;
}
.ai-news-detail-tag.cat { background:rgba(0,212,255,0.06); color:var(--accent); }

/* 市场表格 */
.ai-market-grid {
  display:grid; grid-template-columns:repeat(auto-fit, minmax(280px, 1fr));
  gap:14px;
}
.ai-market-card {
  background:var(--bg-card);
  border:1px solid var(--glass-border);
  border-radius:var(--radius);
  padding:20px;
}
.ai-market-key { font-size:13px; color:var(--text-muted); margin-bottom:6px; }
.ai-market-value { font-size:22px; font-weight:700; color:#fff; }
.ai-market-source { font-size:11px; color:var(--text-muted); margin-top:4px; }

/* 策略卡片 */
.ai-strategy-grid {
  display:grid; grid-template-columns:repeat(auto-fit, minmax(300px, 1fr));
  gap:16px;
}
.ai-strategy-card {
  background:var(--bg-card);
  border:1px solid var(--glass-border);
  border-radius:var(--radius);
  padding:24px; transition:var(--transition);
}
.ai-strategy-card:hover { border-color:var(--glass-border-hover); }
.ai-strategy-num {
  display:inline-block; width:28px; height:28px; line-height:28px;
  text-align:center; border-radius:50%;
  background:linear-gradient(135deg, var(--accent), var(--accent2));
  color:#fff; font-size:13px; font-weight:700; margin-bottom:12px;
}
.ai-strategy-title { font-size:16px; color:#fff; font-weight:700; margin-bottom:8px; }
.ai-strategy-content { font-size:13px; color:var(--text-secondary); line-height:1.7; }
.ai-strategy-tag {
  display:inline-block; padding:2px 10px; border-radius:10px;
  font-size:11px; margin-top:10px;
  background:rgba(0,212,255,0.06); color:var(--accent);
}
.ai-opportunity-card {
  background:linear-gradient(135deg, rgba(0,212,255,0.04), rgba(124,58,237,0.04));
  border:1px solid rgba(0,212,255,0.1);
  border-radius:var(--radius);
  padding:24px;
}

/* AI 相关情报 */
.ai-related-list { display:flex; flex-direction:column; gap:12px; margin-top:40px; }
.ai-related-item {
  background:var(--bg-card);
  border:1px solid var(--glass-border);
  border-radius:var(--radius);
  padding:18px 22px; transition:var(--transition);
}
.ai-related-item:hover { border-color:var(--glass-border-hover); }
.ai-related-title {
  font-size:15px; color:#fff; font-weight:600;
  display:block; margin-bottom:6px; transition:var(--transition);
}
.ai-related-title:hover { color:var(--accent); }
.ai-related-summary {
  font-size:13px; color:var(--text-secondary); line-height:1.5;
  margin-bottom:8px;
}
.ai-related-date { font-size:11px; color:var(--text-muted); }

/* AI 免责声明 */
.ai-disclaimer {
  margin-top:40px; padding:16px 20px;
  background:rgba(255,255,255,0.02);
  border:1px solid rgba(255,255,255,0.03);
  border-radius:var(--radius-sm);
  font-size:12px; color:var(--text-muted); line-height:1.6;
  text-align:center;
}

/* === 关于我们 === */
.about-grid {
  display:grid; grid-template-columns:1fr 1fr;
  gap:60px; align-items:center;
}
.about-image { position:relative; }
.about-img-placeholder {
  background:linear-gradient(135deg, rgba(0,212,255,0.06), rgba(124,58,237,0.06));
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
  height:320px; display:flex; flex-direction:column;
  align-items:center; justify-content:center;
}
.about-img-icon { font-size:64px; margin-bottom:12px; }
.about-text h2 { font-size:24px; font-weight:700; color:#fff; margin-bottom:16px; }
.about-intro {
  font-size:15px; color:var(--text-secondary);
  line-height:1.9; margin-bottom:24px;
}
.about-stats { display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
.about-stat {
  text-align:center; padding:16px;
  background:var(--bg-card);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-sm);
}
.about-stat strong {
  display:block; font-size:22px; color:var(--accent); font-weight:800;
}
.about-stat span { font-size:12px; color:var(--text-muted); }

/* === 时间线 === */
.timeline { max-width:700px; margin:0 auto; position:relative; padding-left:40px; }
.timeline::before {
  content:''; position:absolute; left:12px; top:0; bottom:0;
  width:2px; background:rgba(255,255,255,0.06);
}
.timeline-item { position:relative; margin-bottom:32px; }
.timeline-item::before {
  content:''; position:absolute; left:-34px; top:16px;
  width:12px; height:12px; border-radius:50%;
  background:var(--accent);
  border:2px solid var(--bg-deep);
  box-shadow:0 0 0 3px rgba(0,212,255,0.2);
}
.timeline-year {
  display:inline-block;
  background:rgba(0,212,255,0.1);
  color:var(--accent); padding:2px 12px;
  border-radius:12px; font-size:13px; font-weight:600;
  margin-bottom:8px;
}
.timeline-content h4 { font-size:16px; color:#fff; margin-bottom:6px; }
.timeline-content p { color:var(--text-secondary); font-size:14px; }

/* === 文化 === */
.culture-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.culture-item {
  text-align:center; padding:32px;
  background:var(--bg-card);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
  transition:var(--transition);
}
.culture-item:hover {
  border-color:var(--glass-border-hover);
  transform:translateY(-4px);
}
.culture-icon { font-size:40px; margin-bottom:14px; }
.culture-item h4 { font-size:17px; color:#fff; margin-bottom:10px; }
.culture-item p { color:var(--text-secondary); font-size:14px; }

/* === 联系我们 === */
.contact-grid { display:grid; grid-template-columns:1fr 1.5fr; gap:60px; }
.contact-info h2 { font-size:24px; color:#fff; margin-bottom:24px; }
.contact-items { display:flex; flex-direction:column; gap:20px; }
.contact-item { display:flex; gap:14px; align-items:flex-start; }
.contact-icon { font-size:24px; flex-shrink:0; }
.contact-item strong { display:block; font-size:14px; font-weight:600; color:#fff; margin-bottom:2px; }
.contact-item p { color:var(--text-secondary); font-size:14px; }

.contact-form-wrap {
  background:var(--bg-card);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
  padding:32px;
  backdrop-filter:blur(10px);
}
.contact-form h2 { font-size:22px; color:#fff; margin-bottom:24px; }
.contact-form .form-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.contact-form .form-group { margin-bottom:16px; }
.form-group { margin-bottom:16px; }
.form-group label {
  display:block; font-size:13px; font-weight:600;
  color:var(--text-secondary); margin-bottom:6px;
}
.form-group input, .form-group select, .form-group textarea,
.contact-form input, .contact-form select, .contact-form textarea {
  width:100%; padding:10px 14px;
  border:1.5px solid var(--glass-border);
  border-radius:var(--radius-sm); font-size:14px;
  transition:var(--transition); font-family:inherit;
  background:rgba(255,255,255,0.03);
  color:var(--text-primary);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus,
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  border-color:var(--accent); outline:none;
  background:rgba(0,212,255,0.03);
}
.form-group textarea, .contact-form textarea { min-height:120px; resize:vertical; }
.required { color:#ff5252; margin-left:2px; }

/* === 表单提示 === */
.alert { padding:12px 16px; border-radius:var(--radius-sm); margin-bottom:16px; font-size:14px; }
.alert-success {
  background:rgba(0,200,83,0.1); color:#69f0ae;
  border:1px solid rgba(0,200,83,0.2);
}
.alert-error {
  background:rgba(255,82,82,0.1); color:#ff8a80;
  border:1px solid rgba(255,82,82,0.2);
}

/* === 分页 === */
.pagination {
  display:flex; justify-content:center; gap:8px; margin-top:36px;
}
.pagination a, .pagination span {
  display:inline-flex; align-items:center; justify-content:center;
  min-width:36px; height:36px; padding:0 10px;
  border-radius:var(--radius-sm); font-size:13px;
  transition:var(--transition);
  background:rgba(255,255,255,0.03);
  border:1px solid var(--glass-border);
  color:var(--text-secondary);
}
.pagination a:hover {
  border-color:var(--accent); color:var(--accent);
  background:rgba(0,212,255,0.05);
}
.pagination .active {
  background:rgba(0,212,255,0.12);
  border-color:var(--accent); color:var(--accent);
  font-weight:600;
}

/* === CTA 区块 === */
.cta-section {
  padding:80px 0; text-align:center;
  position:relative; overflow:hidden;
}
.cta-section::before {
  content:''; position:absolute; inset:0;
  background:
    radial-gradient(ellipse 50% 100% at 50% 100%, rgba(0,212,255,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 30% 80% at 0% 50%, rgba(124,58,237,0.04) 0%, transparent 50%);
}
.cta-section .container { position:relative; z-index:1; }
.cta-section h2 { font-size:clamp(24px, 3.5vw, 34px); font-weight:800; color:#fff; margin-bottom:12px; }
.cta-section p { color:var(--text-secondary); font-size:16px; margin-bottom:32px; }

/* === Footer === */
.footer {
  background:rgba(0,0,0,0.3);
  border-top:1px solid rgba(255,255,255,0.04);
  padding:50px 0 30px;
}
.footer-grid {
  display:grid; grid-template-columns:2fr 1fr 1fr 1fr;
  gap:40px; padding-bottom:36px;
  border-bottom:1px solid rgba(255,255,255,0.04);
  margin-bottom:24px;
}
.footer-col h4 { font-size:15px; color:#fff; font-weight:700; margin-bottom:16px; }
.footer-col p, .footer-col a {
  font-size:13px; color:var(--text-muted); line-height:2; display:block;
  transition:var(--transition);
}
.footer-col a:hover { color:var(--accent); }
.footer-info p { margin-bottom:6px; }
.footer-bottom {
  display:flex; justify-content:space-between;
  align-items:center; flex-wrap:wrap; gap:12px;
}
.footer-bottom p { font-size:12px; color:var(--text-muted); }

/* === 响应式 === */
@media (max-width:992px) {
  .products-grid, .advantages-grid, .cases-grid, .ai-intelligence-list {
    grid-template-columns:repeat(2, 1fr);
  }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .ai-layout { grid-template-columns:1fr; }
  .ai-sidebar { position:static; }
  .about-grid, .contact-grid { grid-template-columns:1fr; }
  .culture-grid { grid-template-columns:repeat(2, 1fr); }
}

@media (max-width:768px) {
  body { padding-top:56px; }
  .header { padding:6px 0; }
  .nav { display:none !important; }
  .nav.open { display:flex !important; flex-direction:column; position:absolute; top:100%; left:0; right:0; background:rgba(6,11,26,0.95); backdrop-filter:blur(20px); padding:12px; border-bottom:1px solid rgba(255,255,255,0.05); }
  .nav-toggle { display:block !important; }
  .hero { min-height:70vh; }
  .hero .container { padding-top:40px; }
  .hero-title { font-size:26px; }
  .hero-subtitle { font-size:14px; }
  .stats-row { gap:16px; }
  .stat-item { flex:1 1 calc(50% - 16px); min-width:120px; }
  .stat-num { font-size:28px; }
  .section { padding:56px 0; }
  .products-grid, .advantages-grid, .cases-grid, .ai-intelligence-list {
    grid-template-columns:1fr;
  }
  .footer-grid { grid-template-columns:1fr; gap:28px; }
  .about-stats { grid-template-columns:repeat(2, 1fr); }
  .culture-grid { grid-template-columns:1fr; }
  .contact-form .form-row { grid-template-columns:1fr; }
  .ai-filter-bar { flex-direction:column; }
  .ai-search-box { flex-direction:column; }
  .ai-search-box input { width:100%; }
  .ai-search-btn { width:100%; justify-content:center; }
  .ai-kpi-grid { grid-template-columns:repeat(2, 1fr); }
  .ai-strategy-grid, .ai-market-grid { grid-template-columns:1fr; }
}