/* ═══════════════════════════════════════════
   十三香小龙虾 · AI 生态联盟
   Theme: Cyberpunk Tech — Electric Blue + Cyan + Purple
   ═══════════════════════════════════════════ */

:root {
  --bg-deep: #050a18;
  --bg: #0a0f1e;
  --bg-card: #0d1529;
  --bg-card-hover: #111b35;
  --surface: #141e38;
  --border: rgba(0,240,255,0.08);
  --border-hover: rgba(0,240,255,0.20);
  --border-glow: rgba(0,240,255,0.35);
  --text: #e0e8f8;
  --text-dim: rgba(200,215,240,0.7);
  --text-dimmer: rgba(160,180,210,0.5);
  --cyan: #00f0ff;
  --cyan-dim: rgba(0,240,255,0.12);
  --blue: #3b82f6;
  --blue-dim: rgba(59,130,246,0.12);
  --purple: #a855f7;
  --purple-dim: rgba(168,85,247,0.12);
  --red: #ef4444;
  --red-dim: rgba(239,68,68,0.12);
  --green: #22c55e;
  --green-dim: rgba(34,197,94,0.12);
  --gold: #f59e0b;
  --gold-dim: rgba(245,158,11,0.12);
  --gradient-accent: linear-gradient(135deg, var(--cyan), var(--blue), var(--purple));
  --gradient-warm: linear-gradient(135deg, var(--red), var(--gold));
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --font: 'Inter','Noto Sans SC',-apple-system,BlinkMacSystemFont,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}

body {
  font-family: var(--font);
  background: var(--bg-deep);
  color: var(--text-dim);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::before {
  content: '';
  position: fixed; inset: 0;
  background:
    repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,240,255,0.015) 2px, rgba(0,240,255,0.015) 3px),
    repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(0,240,255,0.015) 2px, rgba(0,240,255,0.015) 3px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
.highlight{color:var(--cyan);font-weight:700}

/* ═══ Scroll Progress ═══ */
.scroll-progress {
  position:fixed;top:0;left:0;height:3px;z-index:1001;
  background:var(--gradient-accent);
  transform-origin:left;width:0;
}

/* ═══ Navigation ═══ */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;padding:16px 0;transition:all var(--transition)}
.nav.scrolled{background:rgba(5,10,24,0.92);backdrop-filter:blur(16px);padding:10px 0;border-bottom:1px solid var(--border)}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between}
.nav-brand{display:flex;align-items:center;gap:10px}
.nav-logo{font-size:28px}
.nav-name{font-size:16px;font-weight:800;background:var(--gradient-accent);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{padding:8px 14px;border-radius:8px;font-size:14px;font-weight:500;color:var(--text-dim);transition:all var(--transition)}
.nav-link:hover{color:var(--cyan);background:var(--cyan-dim)}
.nav-link--product{background:linear-gradient(135deg,var(--red),#d63031);color:#fff!important;font-weight:700;border-radius:8px}
.nav-link--product:hover{opacity:0.9;background:linear-gradient(135deg,var(--red),#d63031)}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--text-dim);margin:5px 0;border-radius:2px;transition:var(--transition)}

/* ═══ Buttons ═══ */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 28px;border-radius:10px;font-size:15px;font-weight:700;cursor:pointer;transition:all var(--transition);border:none;text-decoration:none;position:relative;overflow:hidden}
.btn--primary{background:linear-gradient(135deg,var(--cyan),var(--blue));color:var(--bg-deep);box-shadow:0 0 24px rgba(0,240,255,0.25)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 0 40px rgba(0,240,255,0.4)}
.btn--outline{background:transparent;border:1.5px solid var(--border-hover);color:var(--cyan)}
.btn--outline:hover{border-color:var(--cyan);background:var(--cyan-dim);box-shadow:0 0 20px rgba(0,240,255,0.1)}
.btn--ghost{color:var(--text-dim)}
.btn--ghost:hover{color:var(--cyan)}
.btn--large{padding:16px 36px;font-size:17px}
.btn--block{width:100%}

/* ═══ Section ═══ */
.section{padding:120px 0;position:relative}
.section-header{text-align:center;margin-bottom:64px}
.section-tag{display:inline-block;padding:6px 16px;border-radius:100px;font-size:12px;font-weight:700;letter-spacing:2px;color:var(--cyan);border:1px solid var(--cyan-dim);background:rgba(0,240,255,0.04);margin-bottom:20px}
.section-title{font-size:clamp(28px,4vw,42px);font-weight:900;color:#fff;line-height:1.3;margin-bottom:16px}
.section-desc{font-size:17px;color:var(--text-dim);max-width:650px;margin:0 auto}

/* ═══ Glow card mixin ═══ */
.glow-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  position: relative;
}
.glow-card::before {
  content: '';
  position: absolute; inset: -1px;
  border-radius: inherit;
  background: var(--gradient-accent);
  opacity: 0;
  z-index: -1;
  transition: opacity 0.4s;
  filter: blur(12px);
}
.glow-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
}
.glow-card:hover::before { opacity: 0.15; }

/* ═══ Hero ═══ */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;padding-top:100px}
.hero-bg{
  position:absolute;inset:0;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(0,240,255,0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 60%, rgba(168,85,247,0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(59,130,246,0.05) 0%, transparent 50%);
  pointer-events:none;
}
.hero-bg::after {
  content:'';
  position:absolute;bottom:0;left:0;right:0;height:200px;
  background:linear-gradient(to top,var(--bg-deep),transparent);
}
.hero-content{position:relative;z-index:1;text-align:center;max-width:900px;margin:0 auto}
.hero-badge{display:inline-block;padding:8px 20px;border-radius:100px;font-size:14px;font-weight:600;color:var(--cyan);border:1px solid var(--cyan-dim);background:rgba(0,240,255,0.04);margin-bottom:32px}
.hero-title{font-size:clamp(36px,6vw,64px);font-weight:900;line-height:1.2;margin-bottom:24px;background:linear-gradient(135deg,#fff 0%,var(--cyan) 50%,var(--purple) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-desc{font-size:18px;color:var(--text-dim);max-width:600px;margin:0 auto 48px;line-height:1.8}

/* Hero Numbers */
.hero-numbers{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:48px}
.hero-num-item{padding:28px 20px;border-radius:var(--radius-lg);background:var(--bg-card);border:1px solid var(--border);transition:all var(--transition);position:relative;overflow:hidden}
.hero-num-item::after{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--gradient-accent);opacity:0;transition:opacity 0.3s}
.hero-num-item:hover{border-color:var(--border-glow);transform:translateY(-4px);box-shadow:0 0 30px rgba(0,240,255,0.08)}
.hero-num-item:hover::after{opacity:1}
.hero-num{font-size:48px;font-weight:900;background:var(--gradient-accent);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-num-unit{font-size:24px;font-weight:700;color:var(--cyan)}
.hero-num-item p{font-size:13px;color:var(--text-dimmer);margin-top:8px;line-height:1.6}
.hero-num-item strong{color:var(--text-dim)}
.hero-cta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ═══ Pain Points ═══ */
.pain{background:var(--bg)}
.pain::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--cyan-dim),transparent)}
.pain-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:24px}
.pain-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px;transition:all var(--transition)}
.pain-card:hover{border-color:var(--border-glow);transform:translateY(-4px);box-shadow:0 0 30px rgba(0,240,255,0.06)}
.pain-card-head{display:flex;align-items:center;gap:14px;margin-bottom:24px}
.pain-icon{font-size:32px}
.pain-card-head h3{font-size:20px;font-weight:800;color:#fff}
.pain-badge{display:inline-block;padding:3px 10px;border-radius:6px;font-size:11px;font-weight:700;letter-spacing:0.5px;margin-bottom:8px}
.pain-badge--bad{background:var(--red-dim);color:var(--red)}
.pain-badge--good{background:var(--green-dim);color:var(--green)}
.pain-status{margin-bottom:20px;padding:16px;border-radius:var(--radius);background:rgba(239,68,68,0.03);border-left:3px solid var(--red)}
.pain-status p,.pain-solution p{font-size:14px;line-height:1.7;color:var(--text-dim)}
.pain-status strong{color:var(--red)}
.pain-solution{margin-bottom:20px;padding:16px;border-radius:var(--radius);background:rgba(34,197,94,0.03);border-left:3px solid var(--green)}
.pain-solution strong{color:var(--green)}
.pain-opportunity{padding:12px 16px;border-radius:var(--radius);background:var(--cyan-dim);font-size:13px;font-weight:600;color:var(--cyan)}

/* ═══ Mission ═══ */
.mission{background:var(--bg-deep)}
.mission-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.mission-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:40px 32px;transition:all var(--transition);position:relative;overflow:hidden}
.mission-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient-accent);transform:scaleX(0);transform-origin:left;transition:transform 0.4s}
.mission-card:hover{border-color:var(--border-glow);box-shadow:0 0 40px rgba(0,240,255,0.06)}
.mission-card:hover::before{transform:scaleX(1)}
.mission-visual{font-size:48px;margin-bottom:20px}
.mission-card h3{font-size:20px;font-weight:800;color:#fff;margin-bottom:20px}
.mission-fact,.mission-action{font-size:14px;line-height:1.8;margin-bottom:16px;color:var(--text-dim)}
.mission-fact span{font-weight:700;color:var(--red)}
.mission-action span{font-weight:700;color:var(--green)}
.mission-quote{font-size:14px;font-style:italic;color:var(--cyan);padding-left:16px;border-left:3px solid var(--cyan-dim);margin-top:8px}

/* ═══ Policy Center ═══ */
.policy{background:var(--bg)}
.policy::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--cyan-dim),transparent)}

/* Policy Map — ECharts Interactive v2 */
.policy-map-container {
  display: flex;
  align-items: stretch;
  gap: 0;
  margin-bottom: 64px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}
.policy-map-container::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 25% 35%, rgba(0,240,255,0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 75% 65%, rgba(168,85,247,0.04) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}
.policy-map-container::after {
  content: '';
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(0deg, transparent, transparent 3px, rgba(0,240,255,0.012) 3px, rgba(0,240,255,0.012) 4px),
    repeating-linear-gradient(90deg, transparent, transparent 3px, rgba(0,240,255,0.012) 3px, rgba(0,240,255,0.012) 4px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: 0;
}

/* Map + Radar wrapper */
.china-map-wrap {
  flex: 1;
  position: relative;
  min-height: 600px;
  overflow: hidden;
}
.china-map-echarts {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  z-index: 1;
}

/* Scan line — horizontal sweep */
.china-map-wrap::before {
  content: '';
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(0,240,255,0.5) 30%, rgba(0,240,255,0.8) 50%, rgba(0,240,255,0.5) 70%, transparent 100%);
  box-shadow: 0 0 12px 2px rgba(0,240,255,0.3);
  z-index: 2;
  pointer-events: none;
  animation: scanV 5s ease-in-out infinite;
}
@keyframes scanV {
  0%   { top: 0; opacity: 0; }
  5%   { opacity: 0.6; }
  50%  { opacity: 0.6; }
  95%  { opacity: 0.6; }
  100% { top: 100%; opacity: 0; }
}

/* HUD corner brackets */
.china-map-wrap::after {
  content: '';
  position: absolute;
  inset: 16px;
  border: 1px solid transparent;
  border-image: linear-gradient(to right, rgba(0,240,255,0.3) 40px, transparent 40px) 1;
  pointer-events: none;
  z-index: 2;
}

/* Radar sweep overlay */
.radar-sweep {
  position: absolute;
  top: 50%; left: 50%;
  width: 800px; height: 800px;
  margin: -400px 0 0 -400px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  animation: radarSpin 8s linear infinite;
  background: conic-gradient(
    from 0deg,
    transparent 0deg,
    transparent 340deg,
    rgba(0,240,255,0.04) 355deg,
    rgba(0,240,255,0.10) 360deg
  );
  opacity: 0.4;
}
@keyframes radarSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Legend Panel */
.map-legend-panel {
  width: 220px;
  flex-shrink: 0;
  padding: 24px 20px;
  border-left: 1px solid var(--border);
  background: rgba(5,10,24,0.6);
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 1;
}
.map-legend-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-dimmer);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.legend-filter-hint {
  font-size: 9px;
  letter-spacing: 0;
  text-transform: none;
  color: var(--cyan);
  opacity: 0.5;
  font-weight: 400;
}
.map-legend-items { margin-bottom: 4px; }
.map-legend-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 6px;
  transition: all var(--transition);
  margin-bottom: 1px;
  border: 1px solid transparent;
  cursor: default;
}
.map-legend-row[data-focus] { cursor: pointer; }
.map-legend-row[data-focus]:hover {
  background: rgba(0,240,255,0.06);
}
.map-legend-row.legend-active {
  background: rgba(0,240,255,0.08);
  border-color: rgba(0,240,255,0.2);
}
.map-legend-row.legend-dimmed {
  opacity: 0.3;
}
.map-legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.map-legend-label {
  font-size: 12px;
  color: var(--text-dim);
  flex: 1;
}
.map-legend-count {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-dimmer);
  background: rgba(255,255,255,0.04);
  padding: 1px 7px;
  border-radius: 100px;
  min-width: 20px;
  text-align: center;
}

/* Size legend */
.map-legend-size {
  border-radius: 50%;
  background: rgba(0,240,255,0.5);
  box-shadow: 0 0 6px rgba(0,240,255,0.3);
  flex-shrink: 0;
}
.map-legend-size--xl { width: 22px; height: 22px; }
.map-legend-size--lg { width: 16px; height: 16px; }
.map-legend-size--md { width: 12px; height: 12px; }
.map-legend-size--sm { width: 9px; height: 9px; }
.map-legend-size--xs { width: 6px; height: 6px; }

/* Stats bar */
.map-legend-stats {
  display: flex;
  gap: 12px;
  margin: 16px 0 12px;
  padding: 12px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.legend-stat { text-align: center; flex: 1; }
.legend-stat-num {
  display: block;
  font-size: 20px;
  font-weight: 900;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.legend-stat-label {
  font-size: 10px;
  color: var(--text-dimmer);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.map-legend-update {
  font-size: 11px;
  color: var(--text-dimmer);
  margin-top: auto;
  line-height: 1.6;
}
.map-legend-update strong { color: var(--cyan); }
.map-legend-tip {
  font-size: 10px;
  color: var(--text-dimmer);
  opacity: 0.5;
  margin-top: 8px;
  line-height: 1.5;
}

/* Policy Cards */
.policy-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;margin-bottom:48px}
.policy-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:all var(--transition);position:relative;overflow:hidden}
.policy-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:2px;background:var(--card-accent, var(--cyan));transform:scaleX(0);transform-origin:left;transition:transform 0.4s}
.policy-card:hover{border-color:var(--border-glow);transform:translateY(-3px);box-shadow:0 0 30px color-mix(in srgb, var(--card-accent, var(--cyan)) 15%, transparent)}
.policy-card:hover::before{transform:scaleX(1)}
.policy-card-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap}
.policy-card-city{font-size:20px;font-weight:900;color:#fff}
.policy-card-focus{display:inline-block;padding:3px 10px;border-radius:6px;font-size:11px;font-weight:700;letter-spacing:0.5px}
.policy-card-amount{font-size:16px;font-weight:900;white-space:nowrap;margin-left:auto}
.policy-card-title{font-size:14px;color:var(--cyan);font-weight:600;margin-bottom:12px}
.policy-card-summary{font-size:13px;color:var(--text-dimmer);margin-bottom:16px;line-height:1.7}
.policy-card-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px}
.policy-card-tag{padding:3px 10px;border-radius:100px;font-size:11px;font-weight:600;background:var(--blue-dim);color:var(--blue);border:1px solid rgba(59,130,246,0.15)}
.policy-card-link{font-size:13px;font-weight:600;color:var(--cyan)}
.policy-card-link:hover{text-decoration:underline}
.policy-card-date{font-size:12px;color:var(--text-dimmer);margin-top:12px}

.policy-cta{text-align:center}
.policy-cta p{font-size:18px;color:var(--text-dim);margin-bottom:16px}

/* ═══ Partners ═══ */
.partners{background:var(--bg-deep)}
.partners-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.partner-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px 24px;display:flex;flex-direction:column;transition:all var(--transition);position:relative;overflow:hidden}
.partner-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient-accent);transform:scaleX(0);transform-origin:left;transition:transform 0.4s}
.partner-card:hover{border-color:var(--border-glow);transform:translateY(-4px);box-shadow:0 0 30px rgba(0,240,255,0.06)}
.partner-card:hover::before{transform:scaleX(1)}
.partner-card--featured{border-color:rgba(0,240,255,0.15);background:linear-gradient(135deg,var(--bg-card),rgba(0,240,255,0.03))}
.partner-badge{position:absolute;top:-10px;right:20px;padding:4px 14px;border-radius:100px;font-size:12px;font-weight:800;background:var(--gradient-accent);color:var(--bg-deep)}
.partner-icon{font-size:40px;margin-bottom:16px}
.partner-card h3{font-size:18px;font-weight:800;color:#fff;margin-bottom:8px}
.partner-role{font-size:14px;color:var(--text-dimmer);margin-bottom:20px}
.partner-benefits{list-style:none;margin-bottom:20px;flex:1}
.partner-benefits li{position:relative;padding-left:20px;font-size:13px;color:var(--text-dim);margin-bottom:8px}
.partner-benefits li::before{content:'✓';position:absolute;left:0;color:var(--green);font-weight:700}
.partner-require{font-size:12px;color:var(--text-dimmer);padding:10px 14px;background:rgba(0,240,255,0.03);border-radius:8px;margin-bottom:20px;border:1px solid var(--border)}
.partner-require strong{color:var(--text-dim)}

/* ═══ Tech ═══ */
.tech{background:var(--bg)}
.tech::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--cyan-dim),transparent)}
.tech-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:64px}
.tech-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:all var(--transition);position:relative;overflow:hidden}
.tech-card::after{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--gradient-accent);opacity:0;transition:opacity 0.3s}
.tech-card:hover{border-color:var(--border-glow);transform:translateY(-3px);box-shadow:0 0 24px rgba(0,240,255,0.06)}
.tech-card:hover::after{opacity:1}
.tech-icon{font-size:32px;margin-bottom:16px}
.tech-card h4{font-size:16px;font-weight:800;color:#fff;margin-bottom:10px}
.tech-card p{font-size:14px;color:var(--text-dim);line-height:1.7}

.security-compare{max-width:900px;margin:0 auto}
.security-compare h3{text-align:center;font-size:22px;font-weight:800;color:#fff;margin-bottom:32px}
.compare-table-wrap{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border)}
.compare-table{width:100%;border-collapse:collapse}
.compare-table th,.compare-table td{padding:16px 20px;text-align:left;font-size:14px;border-bottom:1px solid var(--border)}
.compare-table thead th{background:var(--surface);color:var(--text-dim);font-weight:700;font-size:13px;letter-spacing:0.5px}
.compare-table th.compare-us{color:var(--cyan)}
.compare-table tbody tr{background:var(--bg-card);transition:background var(--transition)}
.compare-table tbody tr:hover{background:var(--bg-card-hover)}
.compare-table td{color:var(--text-dim)}
.compare-bad{color:var(--red)!important}
.compare-good{color:var(--green)!important;font-weight:600}

/* ═══ Why Now ═══ */
.why-now{background:radial-gradient(ellipse at 50% 50%,rgba(0,240,255,0.04) 0%,transparent 60%),var(--bg-deep)}
.window-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.window-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:36px 28px;transition:all var(--transition);position:relative;overflow:hidden}
.window-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient-accent);transform:scaleX(0);transform-origin:left;transition:transform 0.4s}
.window-card:hover{border-color:var(--border-glow);transform:translateY(-4px);box-shadow:0 0 30px rgba(0,240,255,0.06)}
.window-card:hover::before{transform:scaleX(1)}
.window-icon{font-size:40px;margin-bottom:20px}
.window-card h3{font-size:20px;font-weight:800;color:#fff;margin-bottom:20px}
.window-card ul{list-style:none}
.window-card li{position:relative;padding-left:18px;font-size:14px;color:var(--text-dim);margin-bottom:12px;line-height:1.6}
.window-card li::before{content:'›';position:absolute;left:0;color:var(--cyan);font-weight:700;font-size:18px}
.window-card li strong{color:#fff}

/* ═══ News ═══ */
.news{background:var(--bg)}
.news::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--cyan-dim),transparent)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:all var(--transition)}
.news-card:hover{border-color:var(--border-hover);transform:translateY(-2px);box-shadow:0 0 20px rgba(0,240,255,0.04)}
.news-date{font-size:12px;font-weight:600;color:var(--cyan);letter-spacing:0.5px}
.news-card h4{font-size:15px;font-weight:700;color:#fff;margin:8px 0 10px;line-height:1.5}
.news-card p{font-size:13px;color:var(--text-dimmer);line-height:1.7;margin-bottom:12px}
.news-card a{font-size:13px;font-weight:600;color:var(--blue)}
.news-card a:hover{text-decoration:underline;color:var(--cyan)}

/* ═══ CTA ═══ */
.cta-section{background:radial-gradient(ellipse at 50% 50%,rgba(0,240,255,0.06) 0%,transparent 50%),var(--bg-deep)}
.cta-content{text-align:center;max-width:700px;margin:0 auto}
.cta-title{font-size:clamp(28px,4vw,40px);font-weight:900;margin-bottom:16px;background:linear-gradient(135deg,#fff,var(--cyan),var(--purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.cta-desc{font-size:17px;color:var(--text-dim);margin-bottom:40px}
.cta-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:32px}
.cta-links{display:flex;gap:10px;justify-content:center;align-items:center;font-size:14px;color:var(--text-dimmer)}
.cta-links a:hover{color:var(--cyan)}
.cta-links span{opacity:0.3}

/* ═══ Footer ═══ */
.footer{padding:80px 0 40px;background:var(--bg-deep);border-top:1px solid var(--border)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px}
.footer-brand{display:flex;flex-direction:column;gap:8px}
.footer-logo{font-size:36px}
.footer-name{font-size:20px;font-weight:800;background:var(--gradient-accent);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.footer-desc{font-size:14px;color:var(--text-dimmer)}
.footer-col{display:flex;flex-direction:column;gap:10px}
.footer-col h4{font-size:14px;font-weight:700;color:var(--cyan);text-transform:uppercase;letter-spacing:1px;margin-bottom:4px}
.footer-col a{font-size:14px;color:var(--text-dimmer);transition:color var(--transition)}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{padding-top:32px;border-top:1px solid var(--border);text-align:center}
.footer-bottom p{font-size:13px;color:var(--text-dimmer)}

/* ═══ WeChat Modal ═══ */
.wechat-modal-overlay{position:fixed;inset:0;z-index:9999;background:rgba(0,0,0,0.7);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity 0.3s}
.wechat-modal-overlay.active{opacity:1;pointer-events:all}
.wechat-modal{position:relative;background:var(--bg-card);border:1px solid var(--border-glow);border-radius:var(--radius-lg);padding:48px 40px 40px;max-width:400px;width:90%;text-align:center;box-shadow:0 0 60px rgba(0,240,255,0.12);transform:translateY(20px) scale(0.95);transition:transform 0.3s}
.wechat-modal-overlay.active .wechat-modal{transform:translateY(0) scale(1)}
.wechat-modal-close{position:absolute;top:16px;right:16px;width:32px;height:32px;border-radius:50%;border:1px solid var(--border);background:transparent;color:var(--text-dimmer);font-size:20px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all 0.2s}
.wechat-modal-close:hover{background:var(--red-dim);border-color:var(--red);color:var(--red)}
.wechat-modal-icon{font-size:48px;margin-bottom:16px}
.wechat-modal-title{font-size:22px;font-weight:800;color:#fff;margin-bottom:8px}
.wechat-modal-desc{font-size:14px;color:var(--text-dimmer);margin-bottom:28px}
.wechat-modal-id{display:inline-flex;align-items:center;gap:10px;padding:14px 24px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--border);margin-bottom:20px}
.wechat-modal-id span{font-size:14px;color:var(--text-dimmer)}
.wechat-modal-id strong{font-size:18px;font-weight:800;color:var(--cyan)}
.wechat-modal-copy{padding:4px 14px;border-radius:6px;border:1px solid var(--cyan);background:transparent;color:var(--cyan);font-size:13px;font-weight:600;cursor:pointer;transition:all 0.2s}
.wechat-modal-copy:hover{background:var(--cyan);color:var(--bg-deep)}
.wechat-modal-tip{font-size:13px;color:var(--text-dimmer);font-style:italic}

/* ═══ Back to top ═══ */
.back-to-top{position:fixed;bottom:32px;right:32px;width:44px;height:44px;border-radius:12px;background:var(--bg-card);border:1px solid var(--border);color:var(--cyan);font-size:18px;cursor:pointer;opacity:0;pointer-events:none;transition:all var(--transition);z-index:100}
.back-to-top.visible{opacity:1;pointer-events:all}
.back-to-top:hover{background:var(--cyan);color:var(--bg-deep);box-shadow:0 0 20px rgba(0,240,255,0.3)}

/* ═══ Responsive ═══ */
@media(max-width:1024px){
  .partners-grid{grid-template-columns:repeat(2,1fr)}
  .tech-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .section{padding:80px 0}
  .nav-links{display:none}
  .nav-links.open{display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;background:rgba(5,10,24,0.98);backdrop-filter:blur(16px);padding:16px;border-bottom:1px solid var(--border)}
  .nav-toggle{display:block}
  .hero-numbers{grid-template-columns:1fr;gap:16px}
  .hero-cta{flex-direction:column;align-items:center}
  .pain-grid{grid-template-columns:1fr}
  .mission-grid{grid-template-columns:1fr}
  .partners-grid{grid-template-columns:1fr}
  .window-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .tech-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .policy-map-container{flex-direction:column}
  .china-map-wrap{min-height:400px}
  .radar-sweep{display:none}
  .map-legend-panel{width:auto;flex-direction:row;flex-wrap:wrap;gap:12px;border-left:none;border-top:1px solid var(--border);padding:16px 20px}
  .map-legend-title{width:100%;margin-bottom:6px}
  .map-legend-stats{width:100%}
  .map-legend-update{margin-top:0;width:100%}
  .compare-table-wrap{overflow-x:auto}
}
@media(max-width:480px){
  .hero-title{font-size:28px}
  .hero-num{font-size:36px}
  .btn--large{width:100%}
}