/* ============================================
   北京智慧雄鹰科技有限公司 - V3 科技蓝白旗舰版
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700;900&family=Orbitron:wght@400;700;900&display=swap');

:root {
  --primary: #0057FF;
  --primary-dark: #003FCC;
  --primary-light: #3B82F6;
  --primary-ultra: #E8F0FF;
  --accent: #00D4FF;
  --accent2: #6C3FFF;
  --accent3: #FF6B35;
  --success: #00C48C;
  --white: #FFFFFF;
  --bg: #F4F8FF;
  --bg2: #EAF0FF;
  --text: #0D1B3E;
  --text-muted: #5A6A8A;
  --text-light: #8A9ABF;
  --border: rgba(0,87,255,0.10);
  --border-strong: rgba(0,87,255,0.22);
  --shadow: 0 8px 32px rgba(0,87,255,0.10);
  --shadow-hover: 0 20px 60px rgba(0,87,255,0.22);
  --shadow-card: 0 4px 24px rgba(13,27,62,0.08);
  --radius: 20px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --transition: all 0.38s cubic-bezier(0.4,0,0.2,1);
  --nav-h: 76px;
  --glow: 0 0 40px rgba(0,87,255,0.25);
  --glow-accent: 0 0 40px rgba(0,212,255,0.25);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.75;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ============================================
   SCROLLBAR
   ============================================ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #f0f4ff; }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 4px; }

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-h);
  display: flex; align-items: center;
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(24px) saturate(1.6);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.navbar.scrolled {
  box-shadow: 0 4px 32px rgba(0,87,255,0.10);
  background: rgba(255,255,255,0.96);
}
.nav-inner {
  max-width: 1320px; margin: 0 auto; padding: 0 48px;
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  display: flex; align-items: center; gap: 14px;
  text-decoration: none;
}
.nav-logo .logo-icon {
  width: 46px; height: 46px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(0,87,255,0.35);
  position: relative; overflow: hidden;
}
.nav-logo .logo-icon::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 60%);
}
.nav-logo .logo-icon svg { width: 26px; height: 26px; }
.nav-logo .logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.nav-logo .logo-text .en { font-size: 10px; color: var(--primary); font-weight: 600; letter-spacing: 1px; text-transform: uppercase; }
.nav-logo .logo-text .cn { font-size: 16px; font-weight: 800; color: var(--text); letter-spacing: 0.5px; }
.nav-menu {
  display: flex; align-items: center; gap: 2px;
}
.nav-menu a {
  display: inline-flex; align-items: center;
  padding: 8px 16px; border-radius: 10px;
  font-size: 14px; font-weight: 500; color: var(--text-muted);
  transition: var(--transition);
  position: relative;
}
.nav-menu a:hover, .nav-menu a.active { color: var(--primary); background: var(--primary-ultra); }
.nav-menu a.nav-cta {
  background: var(--primary); color: white !important;
  padding: 10px 22px; font-weight: 700; letter-spacing: 0.5px;
  box-shadow: 0 4px 16px rgba(0,87,255,0.35);
}
.nav-menu a.nav-cta:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 8px 24px rgba(0,87,255,0.45); }
.nav-hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; }
.nav-hamburger span { display: block; width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: 12px;
  font-size: 15px; font-weight: 700; cursor: pointer;
  transition: var(--transition); border: none; text-decoration: none;
  letter-spacing: 0.3px;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: white; box-shadow: 0 6px 24px rgba(0,87,255,0.40);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 36px rgba(0,87,255,0.55); }
.btn-outline {
  background: transparent; color: var(--primary);
  border: 2px solid var(--primary); box-shadow: none;
}
.btn-outline:hover { background: var(--primary-ultra); transform: translateY(-2px); }
.btn-white { background: white; color: var(--primary); font-weight: 700; box-shadow: 0 4px 16px rgba(0,0,0,0.12); }
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 10px 32px rgba(0,0,0,0.18); }
.btn-ghost { background: rgba(255,255,255,0.15); color: white; border: 1px solid rgba(255,255,255,0.4); backdrop-filter: blur(8px); }
.btn-ghost:hover { background: rgba(255,255,255,0.25); transform: translateY(-2px); }
.btn-lg { padding: 18px 42px; font-size: 16px; }
.btn-sm { padding: 8px 20px; font-size: 13px; }

/* ============================================
   CONTAINER & LAYOUT
   ============================================ */
.container { max-width: 1320px; margin: 0 auto; padding: 0 48px; }
.section { padding: 100px 0; }
.section-alt { background: linear-gradient(180deg, var(--bg) 0%, #fff 100%); }
.section-dark { background: linear-gradient(135deg, var(--text) 0%, #1a2d6e 100%); color: white; }
.section-blue { background: linear-gradient(135deg, var(--primary) 0%, #003bcc 100%); color: white; }
.text-center { text-align: center; }

/* ============================================
   TYPOGRAPHY
   ============================================ */
.section-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 700; color: var(--primary);
  background: var(--primary-ultra); border: 1px solid rgba(0,87,255,0.18);
  padding: 6px 16px; border-radius: 20px;
  text-transform: uppercase; letter-spacing: 2px; margin-bottom: 16px;
}
.section-tag::before { content: ''; width: 6px; height: 6px; background: var(--primary); border-radius: 50%; display: inline-block; }
.section-title {
  font-size: clamp(28px, 3.5vw, 46px); font-weight: 900; line-height: 1.25;
  color: var(--text); margin-bottom: 20px; letter-spacing: -0.5px;
}
.section-title-white { color: white; }
.section-title .highlight {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-title .highlight-light {
  background: linear-gradient(135deg, #fff 0%, var(--accent) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-desc { font-size: 17px; color: var(--text-muted); line-height: 1.85; max-width: 560px; }

/* ============================================
   ANIMATIONS
   ============================================ */
.fade-up {
  opacity: 0; transform: translateY(36px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.4,0,0.2,1);
}
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }

@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-14px)} }
@keyframes pulse-ring { 0%{transform:scale(1);opacity:0.6} 100%{transform:scale(1.6);opacity:0} }
@keyframes scanline { 0%{top:-100%} 100%{top:200%} }
@keyframes rotate360 { from{transform:rotate(0deg)} to{transform:rotate(360deg)} }
@keyframes shimmer { 0%{left:-100%} 100%{left:200%} }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }
@keyframes gradient-flow {
  0%{background-position:0% 50%}
  50%{background-position:100% 50%}
  100%{background-position:0% 50%}
}
@keyframes slide-in-left { from{opacity:0;transform:translateX(-30px)} to{opacity:1;transform:translateX(0)} }
@keyframes data-scroll { 0%{transform:translateX(0)} 100%{transform:translateX(-50%)} }
@keyframes counter-up { from{opacity:0;transform:translateY(16px)} to{opacity:1;transform:translateY(0)} }
@keyframes orbit { from{transform:rotate(0deg) translateX(90px) rotate(0deg)} to{transform:rotate(360deg) translateX(90px) rotate(-360deg)} }

/* ============================================
   PAGE HERO
   ============================================ */
.page-hero {
  padding: 160px 0 90px;
  background: linear-gradient(160deg, #fff 0%, #EAF0FF 55%, #d4e4ff 100%);
  position: relative; overflow: hidden; text-align: center;
}
.page-hero::before {
  content: ''; position: absolute;
  width: 800px; height: 800px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,87,255,0.06) 0%, transparent 70%);
  top: -300px; right: -200px; pointer-events: none;
}
.page-hero::after {
  content: ''; position: absolute;
  width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,212,255,0.05) 0%, transparent 70%);
  bottom: -200px; left: -100px; pointer-events: none;
}
.page-hero-title {
  font-size: clamp(36px, 5vw, 62px); font-weight: 900;
  line-height: 1.2; letter-spacing: -1px; margin-bottom: 24px;
  color: var(--text); position: relative; z-index: 2;
}
.page-hero-desc {
  font-size: 18px; color: var(--text-muted);
  max-width: 640px; margin: 0 auto 40px; position: relative; z-index: 2;
}
.breadcrumb {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--text-muted); margin-bottom: 24px;
  position: relative; z-index: 2;
}
.breadcrumb a { color: var(--primary); }
.breadcrumb .sep { color: var(--text-light); }

/* ============================================
   TECH DECORATIONS
   ============================================ */
.tech-dots {
  position: absolute; width: 200px; height: 200px;
  background-image: radial-gradient(var(--border-strong) 1px, transparent 1px);
  background-size: 18px 18px; opacity: 0.5;
}
.tech-circle {
  position: absolute; border-radius: 50%;
  border: 1px solid var(--border-strong); opacity: 0.4;
}
.tech-line {
  position: absolute; background: linear-gradient(90deg, transparent, var(--primary), transparent);
  height: 1px; opacity: 0.3;
}
.glowing-orb {
  position: absolute; border-radius: 50%;
  filter: blur(60px); pointer-events: none;
}
.tech-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--primary-ultra); border: 1px solid var(--border-strong);
  color: var(--primary); padding: 8px 18px; border-radius: 30px;
  font-size: 13px; font-weight: 600;
  transition: var(--transition);
}
.tech-badge:hover { background: var(--primary); color: white; transform: translateY(-2px); }

/* ============================================
   CARDS
   ============================================ */
.card {
  background: white; border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  transition: var(--transition); overflow: hidden;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: rgba(0,87,255,0.2); }
.cards-grid { display: grid; gap: 28px; }
.cards-grid-3 { grid-template-columns: repeat(3, 1fr); }
.cards-grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 100vh; padding: var(--nav-h) 0 0;
  position: relative; overflow: hidden;
  background: linear-gradient(160deg, #fff 0%, #eaf1ff 40%, #daeeff 100%);
  display: flex; align-items: center;
}
.hero-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,87,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,87,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-orb1 {
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(0,87,255,0.12) 0%, transparent 65%);
  top: -150px; right: -150px;
}
.hero-orb2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,212,255,0.10) 0%, transparent 65%);
  bottom: -100px; left: -80px;
}
.hero-orb3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(108,63,255,0.08) 0%, transparent 65%);
  top: 30%; left: 25%;
}
.hero-inner {
  position: relative; z-index: 2;
  max-width: 1320px; margin: 0 auto; padding: 80px 48px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  background: linear-gradient(135deg, var(--primary-ultra), rgba(0,212,255,0.1));
  border: 1px solid var(--border-strong);
  padding: 8px 20px; border-radius: 30px;
  font-size: 13px; font-weight: 600; color: var(--primary);
  margin-bottom: 28px; width: fit-content;
}
.hero-badge .dot {
  width: 8px; height: 8px; background: var(--accent); border-radius: 50%;
  animation: blink 1.5s infinite;
  box-shadow: 0 0 8px var(--accent);
}
.hero-title {
  font-size: clamp(40px, 5.5vw, 72px); font-weight: 900;
  line-height: 1.15; letter-spacing: -2px; margin-bottom: 28px;
}
.hero-title .line1 { display: block; color: var(--text); }
.hero-title .line2 {
  display: block;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 17px; color: var(--text-muted);
  line-height: 1.85; margin-bottom: 42px; max-width: 520px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-stats { display: flex; gap: 40px; }
.hero-stat { display: flex; flex-direction: column; }
.hero-stat .num {
  font-size: 32px; font-weight: 900; color: var(--primary);
  font-family: 'Orbitron', monospace; letter-spacing: -1px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-stat .label { font-size: 13px; color: var(--text-muted); font-weight: 500; }
.hero-stat-divider { width: 1px; background: var(--border-strong); }

/* Hero Visual */
.hero-visual { position: relative; height: 520px; }
.hero-main-card {
  position: absolute; top: 20px; left: 0; right: 0;
  background: white; border-radius: 24px;
  border: 1px solid var(--border);
  box-shadow: 0 24px 80px rgba(0,87,255,0.15);
  overflow: hidden;
}
.hero-card-header {
  background: linear-gradient(135deg, var(--text) 0%, #1a2d6e 100%);
  padding: 14px 20px; display: flex; align-items: center; gap: 12px;
}
.hero-card-dots { display: flex; gap: 6px; }
.hero-card-dots span { width: 12px; height: 12px; border-radius: 50%; }
.hero-card-dots span:nth-child(1) { background: #FF5F57; }
.hero-card-dots span:nth-child(2) { background: #FEBC2E; }
.hero-card-dots span:nth-child(3) { background: #28C840; }
.hero-card-title-bar { color: rgba(255,255,255,0.6); font-size: 12px; font-family: 'Orbitron', monospace; margin-left: 8px; }
.hero-card-body { padding: 20px; }
.hero-img-wrap { border-radius: 14px; overflow: hidden; height: 240px; }
.hero-img-wrap img { width: 100%; height: 100%; object-fit: cover; }
.hero-data-row {
  display: flex; gap: 12px; margin-top: 16px;
}
.hero-data-chip {
  flex: 1; background: var(--bg); border-radius: 12px; padding: 12px 16px;
  border: 1px solid var(--border);
}
.hero-data-chip .chip-label { font-size: 11px; color: var(--text-muted); font-weight: 600; margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.5px; }
.hero-data-chip .chip-val { font-size: 18px; font-weight: 900; color: var(--primary); font-family: 'Orbitron', monospace; }
.hero-data-chip .chip-val.green { color: var(--success); }
.hero-float-card {
  position: absolute;
  background: white; border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: 0 12px 40px rgba(0,87,255,0.14);
  padding: 16px 20px;
  animation: float 4s ease-in-out infinite;
}
.hero-float-card:nth-child(2) { animation-delay: -1.5s; }
.hero-float-card:nth-child(3) { animation-delay: -3s; }
.float-card-1 { bottom: 60px; left: -30px; width: 180px; }
.float-card-2 { top: 50px; right: -20px; width: 170px; }
.float-icon { font-size: 28px; margin-bottom: 6px; }
.float-val { font-size: 22px; font-weight: 900; color: var(--primary); font-family: 'Orbitron', monospace; }
.float-label { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

/* ============================================
   DATA TICKER
   ============================================ */
.data-ticker {
  background: linear-gradient(135deg, var(--text) 0%, #1a2d6e 100%);
  padding: 20px 0; overflow: hidden;
}
.ticker-track {
  display: flex; gap: 80px; align-items: center;
  animation: data-scroll 30s linear infinite; width: max-content;
}
.ticker-item {
  display: flex; align-items: center; gap: 12px;
  white-space: nowrap; color: rgba(255,255,255,0.75);
  font-size: 14px; font-weight: 500;
}
.ticker-item .t-val { color: var(--accent); font-family: 'Orbitron', monospace; font-size: 15px; font-weight: 700; }
.ticker-divider { color: rgba(255,255,255,0.2); font-size: 20px; }

/* ============================================
   STATS BAR
   ============================================ */
.stats-bar {
  background: white; border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow); padding: 48px 60px;
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stat-item { padding: 0 32px; position: relative; text-align: center; }
.stat-item + .stat-item::before {
  content: ''; position: absolute; left: 0; top: 20%; bottom: 20%;
  width: 1px; background: var(--border-strong);
}
.stat-num {
  font-size: 52px; font-weight: 900; line-height: 1;
  margin-bottom: 8px; font-family: 'Orbitron', monospace;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-unit { font-size: 22px; }
.stat-label { font-size: 15px; font-weight: 600; color: var(--text); margin-bottom: 4px; }
.stat-sub { font-size: 13px; color: var(--text-muted); }

/* ============================================
   FEATURE CARDS
   ============================================ */
.feature-card {
  background: white; border-radius: var(--radius);
  padding: 36px; border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  transition: var(--transition); position: relative; overflow: hidden;
}
.feature-card::before {
  content: ''; position: absolute;
  top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s ease;
}
.feature-card:hover::before { transform: scaleX(1); }
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: var(--border-strong); }
.feature-icon {
  width: 64px; height: 64px; border-radius: 18px; margin-bottom: 24px;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
  background: linear-gradient(135deg, var(--primary-ultra), rgba(0,212,255,0.1));
  border: 1px solid var(--border-strong);
  transition: var(--transition);
}
.feature-card:hover .feature-icon { background: linear-gradient(135deg, var(--primary), var(--accent)); transform: scale(1.1); }
.feature-title { font-size: 18px; font-weight: 800; margin-bottom: 12px; color: var(--text); }
.feature-desc { font-size: 14px; color: var(--text-muted); line-height: 1.8; }

/* ============================================
   IMAGE SECTION
   ============================================ */
.img-section {
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
}
.img-section.reverse { direction: rtl; }
.img-section.reverse > * { direction: ltr; }
.img-box {
  position: relative; border-radius: 24px; overflow: hidden;
  box-shadow: 0 24px 72px rgba(0,87,255,0.15);
}
.img-box img { width: 100%; height: 100%; object-fit: cover; display: block; }
.img-box-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,87,255,0.08) 0%, transparent 60%);
}
.img-box-badge {
  position: absolute; bottom: 20px; left: 20px; right: 20px;
  background: rgba(255,255,255,0.95); backdrop-filter: blur(12px);
  border-radius: 14px; padding: 16px 20px;
  display: flex; align-items: center; gap: 16px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
}
.badge-num { font-size: 24px; font-weight: 900; color: var(--primary); font-family: 'Orbitron', monospace; }
.badge-label { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.badge-icon { width: 42px; height: 42px; background: linear-gradient(135deg, var(--primary), var(--accent)); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 20px; }

/* ============================================
   SOLUTION POINTS
   ============================================ */
.solution-points { display: flex; flex-direction: column; gap: 20px; }
.solution-point {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 20px; background: var(--bg); border-radius: 14px;
  border: 1px solid var(--border); transition: var(--transition);
}
.solution-point:hover { border-color: var(--border-strong); background: var(--primary-ultra); }
.solution-point-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  background: white; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; box-shadow: 0 4px 12px rgba(0,87,255,0.12);
}
.solution-point-title { font-weight: 700; font-size: 15px; margin-bottom: 4px; }
.solution-point-desc { font-size: 13px; color: var(--text-muted); line-height: 1.7; }

/* ============================================
   PRODUCT CARDS
   ============================================ */
.product-hero-card {
  background: white; border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card); overflow: hidden;
  transition: var(--transition);
}
.product-hero-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); border-color: rgba(0,87,255,0.25); }
.product-card-img { height: 200px; overflow: hidden; position: relative; }
.product-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.product-hero-card:hover .product-card-img img { transform: scale(1.07); }
.product-card-img-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(0,87,255,0.3) 0%, transparent 60%);
}
.product-card-body { padding: 28px; }
.product-card-tag {
  display: inline-flex; align-items: center;
  background: var(--primary-ultra); color: var(--primary);
  padding: 4px 12px; border-radius: 20px;
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px;
  margin-bottom: 12px;
}
.product-card-title { font-size: 18px; font-weight: 800; margin-bottom: 10px; }
.product-card-desc { font-size: 13px; color: var(--text-muted); line-height: 1.7; margin-bottom: 16px; }
.product-card-features { display: flex; flex-wrap: wrap; gap: 6px; }
.feat-tag {
  background: var(--bg2); color: var(--text-muted); padding: 4px 10px;
  border-radius: 6px; font-size: 11px; font-weight: 600;
  border: 1px solid var(--border);
}

/* ============================================
   PRICING TABLES
   ============================================ */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.pricing-card {
  background: white; border-radius: var(--radius);
  border: 1.5px solid var(--border);
  box-shadow: var(--shadow-card); overflow: hidden;
  transition: var(--transition); display: flex; flex-direction: column;
}
.pricing-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.pricing-card.featured {
  border-color: var(--primary); position: relative;
  box-shadow: 0 12px 48px rgba(0,87,255,0.18);
}
.pricing-card.featured::before {
  content: '最受欢迎'; position: absolute; top: -1px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white; padding: 4px 20px; border-radius: 0 0 12px 12px;
  font-size: 11px; font-weight: 700; letter-spacing: 1px; white-space: nowrap;
}
.pricing-header {
  padding: 40px 32px 28px;
  border-bottom: 1px solid var(--border);
}
.pricing-plan-name { font-size: 14px; font-weight: 700; color: var(--primary); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 8px; }
.pricing-plan-title { font-size: 22px; font-weight: 900; margin-bottom: 16px; }
.pricing-price { display: flex; align-items: baseline; gap: 4px; margin-bottom: 6px; }
.pricing-currency { font-size: 22px; font-weight: 700; color: var(--primary); }
.pricing-amount { font-size: 52px; font-weight: 900; color: var(--primary); font-family: 'Orbitron', monospace; line-height: 1; }
.pricing-period { font-size: 14px; color: var(--text-muted); }
.pricing-desc { font-size: 13px; color: var(--text-muted); margin-top: 8px; line-height: 1.6; }
.pricing-body { padding: 28px 32px; flex: 1; }
.pricing-modules-title { font-size: 13px; font-weight: 700; color: var(--text); margin-bottom: 16px; padding-bottom: 10px; border-bottom: 1px solid var(--border); text-transform: uppercase; letter-spacing: 0.5px; }
.module-list { display: flex; flex-direction: column; gap: 10px; }
.module-item {
  display: flex; align-items: center; gap: 12px;
  font-size: 14px; color: var(--text);
}
.module-item.included .module-icon { color: var(--success); }
.module-item.excluded { color: var(--text-muted); text-decoration: line-through; }
.module-item.excluded .module-icon { color: var(--text-light); }
.module-icon { width: 20px; text-align: center; font-size: 14px; flex-shrink: 0; }
.module-item .module-badge {
  margin-left: auto; background: #FFF3E0; color: #FF6B35;
  padding: 2px 8px; border-radius: 8px; font-size: 10px; font-weight: 700;
}
.module-item .module-badge.new { background: #E8F5E9; color: var(--success); }
.pricing-footer { padding: 24px 32px 36px; }

/* Enterprise Pricing */
.pricing-enterprise {
  background: linear-gradient(135deg, var(--text) 0%, #1a2d6e 100%);
  border-radius: var(--radius); padding: 52px 60px;
  display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: center;
  margin-top: 28px; position: relative; overflow: hidden;
}
.pricing-enterprise::before {
  content: ''; position: absolute;
  width: 400px; height: 400px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,212,255,0.08) 0%, transparent 70%);
  top: -100px; right: -100px;
}
.pe-title { font-size: 28px; font-weight: 900; color: white; margin-bottom: 12px; }
.pe-desc { font-size: 15px; color: rgba(255,255,255,0.7); line-height: 1.75; margin-bottom: 0; }
.pe-features { display: flex; gap: 20px; margin-top: 20px; flex-wrap: wrap; }
.pe-feat { display: flex; align-items: center; gap: 8px; color: rgba(255,255,255,0.8); font-size: 13px; }
.pe-feat-icon { color: var(--accent); font-size: 16px; }
.pe-actions { display: flex; flex-direction: column; gap: 12px; align-items: center; }

/* ============================================
   TABS (Solution)
   ============================================ */
.tab-nav {
  display: flex; gap: 8px; justify-content: center; flex-wrap: wrap;
  margin-bottom: 48px;
}
.tab-btn {
  padding: 12px 24px; border-radius: 12px; border: 1.5px solid var(--border);
  background: white; color: var(--text-muted); font-size: 14px; font-weight: 600;
  cursor: pointer; transition: var(--transition);
  display: flex; align-items: center; gap: 8px;
}
.tab-btn:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-ultra); }
.tab-btn.active { background: var(--primary); color: white; border-color: var(--primary); box-shadow: 0 4px 16px rgba(0,87,255,0.35); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ============================================
   TIMELINE
   ============================================ */
.timeline { position: relative; padding-left: 32px; }
.timeline::before {
  content: ''; position: absolute; left: 6px; top: 0; bottom: 0;
  width: 2px; background: linear-gradient(180deg, var(--primary) 0%, var(--accent) 100%);
}
.timeline-item { position: relative; padding-bottom: 40px; }
.timeline-item::before {
  content: ''; position: absolute; left: -30px; top: 4px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--primary); border: 3px solid white;
  box-shadow: 0 0 0 3px rgba(0,87,255,0.3);
}
.timeline-year { font-size: 12px; font-weight: 700; color: var(--primary); margin-bottom: 6px; font-family: 'Orbitron', monospace; }
.timeline-title { font-size: 16px; font-weight: 800; margin-bottom: 6px; }
.timeline-desc { font-size: 13px; color: var(--text-muted); line-height: 1.7; }

/* ============================================
   LOGO SCROLL
   ============================================ */
.logo-scroll-track { overflow: hidden; }
.logo-scroll-inner {
  display: flex; gap: 0;
  animation: data-scroll 25s linear infinite;
  width: max-content;
}
.logo-scroll-inner:hover { animation-play-state: paused; }
.logo-item {
  width: 180px; height: 80px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border); border-radius: 12px; margin: 0 12px;
  background: white; padding: 16px 24px; color: var(--text-muted);
  font-weight: 700; font-size: 15px; letter-spacing: 0.5px;
  transition: var(--transition);
}
.logo-item:hover { border-color: var(--primary); color: var(--primary); }

/* ============================================
   TEAM CARD
   ============================================ */
.team-card {
  background: white; border-radius: var(--radius);
  border: 1px solid var(--border); overflow: hidden;
  box-shadow: var(--shadow-card); transition: var(--transition);
  text-align: center;
}
.team-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.team-img { height: 240px; overflow: hidden; position: relative; }
.team-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.team-card:hover .team-img img { transform: scale(1.05); }
.team-img-overlay { position: absolute; inset: 0; background: linear-gradient(0deg, rgba(0,87,255,0.3) 0%, transparent 50%); }
.team-body { padding: 24px; }
.team-name { font-size: 18px; font-weight: 800; margin-bottom: 4px; }
.team-role { font-size: 13px; color: var(--primary); font-weight: 600; margin-bottom: 12px; }
.team-desc { font-size: 13px; color: var(--text-muted); line-height: 1.7; }

/* ============================================
   NEWS / BLOG CARD
   ============================================ */
.news-card {
  background: white; border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card); overflow: hidden;
  transition: var(--transition);
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.news-card-img { height: 180px; overflow: hidden; }
.news-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.news-card:hover .news-card-img img { transform: scale(1.07); }
.news-card-body { padding: 24px; }
.news-cat { font-size: 11px; font-weight: 700; color: var(--primary); text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 10px; }
.news-title { font-size: 16px; font-weight: 800; line-height: 1.5; margin-bottom: 10px; }
.news-title a:hover { color: var(--primary); }
.news-meta { font-size: 12px; color: var(--text-light); display: flex; gap: 12px; align-items: center; }

/* ============================================
   CONTACT
   ============================================ */
.contact-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 60px; align-items: start; }
.contact-info-card {
  background: white; border-radius: var(--radius);
  border: 1px solid var(--border); padding: 36px;
  box-shadow: var(--shadow-card);
}
.contact-item { display: flex; gap: 16px; align-items: flex-start; padding: 20px 0; border-bottom: 1px solid var(--border); }
.contact-item:last-child { border-bottom: none; }
.contact-icon {
  width: 48px; height: 48px; flex-shrink: 0; border-radius: 14px;
  background: linear-gradient(135deg, var(--primary-ultra), rgba(0,212,255,0.1));
  border: 1px solid var(--border-strong);
  display: flex; align-items: center; justify-content: center; font-size: 22px;
}
.contact-info-label { font-size: 12px; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; }
.contact-info-value { font-size: 15px; font-weight: 600; color: var(--text); }

/* Form */
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 13px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.form-input, .form-textarea, .form-select {
  width: 100%; padding: 14px 18px; border-radius: 12px;
  border: 1.5px solid var(--border-strong); background: white;
  font-family: inherit; font-size: 14px; color: var(--text);
  transition: var(--transition); outline: none;
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--primary); box-shadow: 0 0 0 4px rgba(0,87,255,0.08);
}
.form-textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* ============================================
   FAQ
   ============================================ */
.faq-item { border-bottom: 1px solid var(--border); }
.faq-question {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  padding: 22px 0; background: none; border: none;
  font-family: inherit; font-size: 15px; font-weight: 700; color: var(--text);
  cursor: pointer; text-align: left; gap: 20px;
  transition: color 0.2s;
}
.faq-question:hover { color: var(--primary); }
.faq-chevron { font-size: 20px; color: var(--primary); transition: transform 0.3s; flex-shrink: 0; }
.faq-item.open .faq-chevron { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-answer-inner { padding: 0 0 22px; font-size: 14px; color: var(--text-muted); line-height: 1.85; }

/* ============================================
   PARTNER CARD
   ============================================ */
.partner-card {
  background: white; border-radius: var(--radius);
  border: 1px solid var(--border); padding: 36px;
  box-shadow: var(--shadow-card); transition: var(--transition);
  display: flex; flex-direction: column; gap: 20px;
}
.partner-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: rgba(0,87,255,0.2); }
.partner-icon { font-size: 44px; }
.partner-title { font-size: 20px; font-weight: 800; }
.partner-desc { font-size: 14px; color: var(--text-muted); line-height: 1.8; flex: 1; }
.partner-benefits { display: flex; flex-direction: column; gap: 8px; }
.partner-benefit { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--text); }
.partner-benefit::before { content: '✓'; color: var(--success); font-weight: 700; flex-shrink: 0; }

/* ============================================
   STEPS
   ============================================ */
.steps-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; position: relative; }
.steps-grid::before {
  content: ''; position: absolute; top: 36px; left: 10%; right: 10%;
  height: 2px; background: linear-gradient(90deg, var(--primary), var(--accent));
}
.step { text-align: center; padding: 0 16px; }
.step-num {
  width: 72px; height: 72px; border-radius: 50%; margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 900; color: white;
  font-family: 'Orbitron', monospace;
  box-shadow: 0 8px 24px rgba(0,87,255,0.35); position: relative; z-index: 2;
}
.step-title { font-size: 15px; font-weight: 800; margin-bottom: 8px; }
.step-desc { font-size: 13px; color: var(--text-muted); line-height: 1.7; }

/* ============================================
   MAP PLACEHOLDER
   ============================================ */
.map-placeholder {
  height: 360px; border-radius: var(--radius);
  background: linear-gradient(135deg, var(--bg) 0%, var(--bg2) 100%);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 16px;
  position: relative; overflow: hidden;
}
.map-placeholder::before {
  content: ''; position: absolute; inset: 0;
  background-image: radial-gradient(var(--border-strong) 1px, transparent 1px);
  background-size: 28px 28px;
}
.map-pin { font-size: 48px; position: relative; z-index: 2; animation: float 3s ease-in-out infinite; }
.map-label { font-size: 15px; font-weight: 700; color: var(--primary); position: relative; z-index: 2; }

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: linear-gradient(160deg, #0D1B3E 0%, #061030 100%);
  color: rgba(255,255,255,0.7); padding-top: 80px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 60px; }
.footer-brand .logo-row { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.footer-brand .logo-icon { width: 42px; height: 42px; background: linear-gradient(135deg, var(--primary), var(--accent)); border-radius: 12px; display: flex; align-items: center; justify-content: center; }
.footer-brand .brand-name { font-size: 15px; font-weight: 800; color: white; }
.footer-desc { font-size: 14px; line-height: 1.85; margin-bottom: 24px; }
.footer-social { display: flex; gap: 12px; }
.social-btn { width: 38px; height: 38px; border-radius: 10px; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.1); display: flex; align-items: center; justify-content: center; font-size: 16px; cursor: pointer; transition: var(--transition); }
.social-btn:hover { background: var(--primary); border-color: var(--primary); transform: translateY(-2px); }
.footer-col-title { font-size: 13px; font-weight: 700; color: white; text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 20px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,0.55); transition: color 0.2s; }
.footer-links a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 24px 0;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 13px;
}
.footer-bottom a { color: rgba(255,255,255,0.45); transition: color 0.2s; }
.footer-bottom a:hover { color: var(--accent); }

/* ============================================
   NOTIFICATION
   ============================================ */
.toast {
  position: fixed; bottom: 40px; right: 40px; z-index: 9999;
  background: var(--text); color: white;
  padding: 16px 24px; border-radius: 14px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.25);
  display: flex; align-items: center; gap: 12px; font-size: 14px; font-weight: 500;
  transform: translateY(20px); opacity: 0; transition: var(--transition);
  max-width: 360px;
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast-icon { font-size: 20px; }

/* ============================================
   TECH DECORATIVE ELEMENTS
   ============================================ */
.circuit-bg {
  position: absolute; inset: 0; pointer-events: none; overflow: hidden; opacity: 0.04;
}
.hexagon-grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='86.6'%3E%3Cpolygon points='50,0 100,25 100,75 50,100 0,75 0,25' fill='none' stroke='%230057FF' stroke-width='0.5' opacity='0.3'/%3E%3C/svg%3E");
  background-size: 60px 52px;
  opacity: 0.05;
}
.scan-line {
  position: absolute; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  animation: scanline 4s linear infinite;
  opacity: 0.4;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1100px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; padding: 60px 32px; }
  .hero-visual { display: none; }
  .img-section, .img-section.reverse { grid-template-columns: 1fr; gap: 40px; direction: ltr; }
  .pricing-grid { grid-template-columns: 1fr 1fr; }
  .steps-grid { grid-template-columns: repeat(3, 1fr); gap: 32px; }
  .steps-grid::before { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-bar { grid-template-columns: 1fr 1fr; gap: 32px; padding: 40px; }
}
@media (max-width: 768px) {
  .container { padding: 0 24px; }
  .section { padding: 70px 0; }
  .nav-inner { padding: 0 24px; }
  .nav-menu { display: none; flex-direction: column; position: fixed; top: var(--nav-h); left: 0; right: 0; background: white; padding: 20px 24px; box-shadow: 0 8px 24px rgba(0,0,0,0.1); border-top: 1px solid var(--border); gap: 4px; z-index: 999; }
  .nav-menu.open { display: flex; }
  .nav-hamburger { display: flex; }
  .hero-inner { padding: 60px 24px; }
  .hero-title { font-size: 36px; letter-spacing: -1px; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .cards-grid-3, .cards-grid-4 { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .stats-bar { grid-template-columns: 1fr 1fr; padding: 28px; gap: 20px; }
  .stat-num { font-size: 36px; }
  .stat-item + .stat-item::before { display: none; }
  .steps-grid { grid-template-columns: 1fr 1fr; }
  .pricing-enterprise { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .page-hero { padding: 120px 0 60px; }
}