/* ===== CSS RESET & VARIABLES ===== */
:root {
  --bg: #020b18;
  --fg: #e8f4ff;
  --card: #061628;
  --primary: #00c8f0;
  --primary-fg: #020b18;
  --secondary: #0a2540;
  --secondary-fg: #90c8e8;
  --muted: #0d1e35;
  --muted-fg: #5a8aaa;
  --accent: #00e5ff;
  --accent-fg: #020b18;
  --destructive: #ff4560;
  --destructive-fg: #fff;
  --border: rgba(0, 200, 240, 0.12);
  --border-light: rgba(0, 200, 240, 0.2);
  --border-medium: rgba(0, 200, 240, 0.3);
  --border-strong: rgba(0, 200, 240, 0.4);
  --radius: 0.25rem;
  --font-sans: 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ===== UTILITY CLASSES ===== */
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.section-padding { padding: 96px 0; }
.font-mono { font-family: var(--font-mono); }
.text-primary { color: var(--primary); }
.text-muted { color: var(--muted-fg); }
.text-foreground { color: var(--fg); }

/* ===== SECTION LABEL ===== */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-family: var(--font-mono);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--primary);
  border: 1px solid var(--border-medium);
  padding: 4px 12px;
  margin-bottom: 16px;
}
.section-label .dot {
  width: 6px; height: 6px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* ===== NAV ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  transition: all 0.3s ease;
}
.nav.scrolled {
  background: rgba(2, 11, 24, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; max-width: 1280px; margin: 0 auto; padding: 0 24px;
}
.nav-logo { display: flex; align-items: center; gap: 12px; }
.nav-logo-icon {
  width: 32px; height: 32px; position: relative; border-radius: 2px;
  background: linear-gradient(135deg, #00c8f0, #0ea5e9);
  display: flex; align-items: center; justify-content: center;
}
.nav-logo-icon svg { color: var(--bg); width: 16px; height: 16px; }
.nav-logo-text { font-size: 14px; font-weight: 700; color: #e8f4ff; line-height: 1; }
.nav-logo-sub { font-size: 10px; font-family: var(--font-mono); color: var(--muted-fg); line-height: 1; margin-top: 2px; letter-spacing: 0.05em; }
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-link {
  background: none; border: none; cursor: pointer;
  font-size: 14px; color: var(--muted-fg); font-family: var(--font-sans);
  transition: color 0.2s;
}
.nav-link:hover { color: var(--primary); }
.nav-cta {
  font-size: 14px; padding: 8px 20px;
  border: 1px solid var(--border-strong); color: var(--primary);
  background: transparent; cursor: pointer; font-family: var(--font-sans);
  transition: all 0.2s;
}
.nav-cta:hover { background: rgba(0, 200, 240, 0.1); }
.nav-toggle {
  display: none; background: none; border: none; cursor: pointer;
  color: var(--muted-fg); padding: 4px;
}
.nav-toggle:hover { color: var(--primary); }
.nav-mobile {
  display: none; background: rgba(2, 11, 24, 0.98);
  border-bottom: 1px solid var(--border); padding: 0 24px 16px;
}
.nav-mobile.open { display: block; }
.nav-mobile-link {
  display: block; width: 100%; text-align: left; padding: 12px 0;
  font-size: 14px; color: var(--muted-fg); background: none; border: none;
  border-bottom: 1px solid rgba(0, 200, 240, 0.06); cursor: pointer;
  font-family: var(--font-sans);
}
.nav-mobile-link:last-child { border-bottom: none; }
.nav-mobile-link:hover { color: var(--primary); }

/* ===== HERO ===== */
.hero {
  position: relative; min-height: 100vh; display: flex; flex-direction: column;
  justify-content: center; padding-top: 64px; overflow: hidden;
}
.hero-grid {
  position: absolute; inset: 0; opacity: 0.2; pointer-events: none;
  background-image:
    linear-gradient(rgba(0,200,240,0.15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,200,240,0.15) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-glow {
  position: absolute; top: 33%; left: 50%; transform: translate(-50%, -50%);
  width: 800px; height: 500px; border-radius: 50%; pointer-events: none;
  background: radial-gradient(ellipse, rgba(0,200,240,0.3) 0%, transparent 70%);
  opacity: 0.2;
}
.hero-inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center;
  position: relative; z-index: 10; padding: 96px 0;
}
.hero-title {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 700; line-height: 1.15; color: #e8f4ff;
  letter-spacing: -0.02em; margin-top: 8px;
}
.hero-title span { color: var(--primary); }
.hero-desc {
  margin-top: 24px; font-size: clamp(0.875rem, 1.5vw, 1.0625rem);
  color: var(--muted-fg); line-height: 1.7; max-width: 540px;
}
.hero-btns { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 16px; }
.btn-primary {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 24px; font-size: 14px; font-weight: 500;
  background: linear-gradient(135deg, #00c8f0, #0ea5e9);
  color: var(--bg); border: none; cursor: pointer; font-family: var(--font-sans);
  transition: all 0.2s; border-radius: 2px;
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-outline {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 24px; font-size: 14px; font-weight: 500;
  border: 1px solid var(--border-strong); color: var(--primary);
  background: transparent; cursor: pointer; font-family: var(--font-sans);
  transition: all 0.2s; border-radius: 2px;
}
.btn-outline:hover { background: rgba(0, 200, 240, 0.1); }

/* Dashboard Card */
.dash-card {
  border-radius: 2px; border: 1px solid rgba(0, 200, 240, 0.15);
  background: rgba(6, 22, 40, 0.8); backdrop-filter: blur(8px);
  overflow: hidden;
}
.dash-header {
  padding: 12px 16px; display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid rgba(0, 200, 240, 0.15);
  background: rgba(0, 200, 240, 0.05);
}
.dash-header-title { font-size: 12px; font-family: var(--font-mono); color: var(--primary); }
.dash-header-badge { font-size: 12px; font-family: var(--font-mono); color: var(--muted-fg); }
.dash-stats { padding: 16px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.dash-stat {
  background: rgba(13, 30, 53, 0.6); border-radius: 2px; padding: 12px;
}
.dash-stat-label { font-size: 12px; color: var(--muted-fg); margin-bottom: 4px; }
.dash-stat-value { font-size: 20px; font-weight: 700; font-family: var(--font-mono); color: var(--primary); }
.dash-stat-trend { font-size: 12px; color: #10b981; margin-top: 2px; }
.dash-heatmap-section { padding: 0 16px 16px; }
.dash-heatmap-title { font-size: 12px; color: var(--muted-fg); margin-bottom: 8px; font-family: var(--font-mono); }
.dash-heatmap {
  height: 112px; border-radius: 2px; overflow: hidden; position: relative;
  background: #061628;
}
.dash-heatmap-dot {
  position: absolute; border-radius: 50%;
  background: rgba(0, 150, 240, 0.2); filter: blur(8px);
}
.dash-heatmap-overlay {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  color: rgba(0, 200, 240, 0.4); font-size: 12px; font-family: var(--font-mono);
}
.dash-alerts { padding: 0 16px 16px; display: flex; flex-direction: column; gap: 8px; }

/* ===== STATS BAR ===== */
.stats-bar {
  border-top: 1px solid rgba(0, 200, 240, 0.15);
  background: rgba(6, 22, 40, 0.6); backdrop-filter: blur(8px);
}
.stats-inner {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  padding: 32px 0;
}
.stat-item { text-align: center; }
.stat-value {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700; font-family: var(--font-mono);
  color: var(--primary);
  text-shadow: 0 0 20px rgba(0, 200, 240, 0.4);
}
.stat-label { font-size: 14px; color: var(--muted-fg); margin-top: 4px; }

/* ===== SECTION TITLES ===== */
.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700; color: #e8f4ff; margin-top: 8px;
}
.section-subtitle {
  margin-top: 16px; color: var(--muted-fg); max-width: 672px;
  font-size: 1rem; line-height: 1.6;
}

/* ===== PAIN POINTS ===== */
.pain-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
  margin-top: 48px;
}
.pain-card {
  position: relative; border: 1px solid rgba(0, 200, 240, 0.15);
  background: rgba(6, 22, 40, 0.6); padding: 24px;
  transition: all 0.3s; cursor: default;
}
.pain-card:hover { border-color: var(--border-strong); }
.pain-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, #00c8f0, transparent);
  opacity: 0; transition: opacity 0.3s;
}
.pain-card:hover::before { opacity: 1; }
.pain-card-inner { display: flex; align-items: flex-start; gap: 16px; }
.pain-card-icon {
  width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; background: rgba(0, 200, 240, 0.1);
  border: 1px solid var(--border-light); border-radius: 2px;
}
.pain-card-icon svg { width: 18px; height: 18px; color: var(--primary); }
.pain-card-title { font-size: 14px; font-weight: 500; color: #e8f4ff; margin-bottom: 4px; }
.pain-card-desc { font-size: 12px; color: var(--muted-fg); line-height: 1.6; }
.pain-card-num {
  position: absolute; bottom: 16px; right: 16px;
  font-size: 12px; font-family: var(--font-mono); color: rgba(0, 200, 240, 0.15);
  transition: color 0.3s;
}
.pain-card:hover .pain-card-num { color: rgba(0, 200, 240, 0.4); }

/* ===== ARCHITECTURE ===== */
.arch-section { position: relative; overflow: hidden; }
.arch-glow {
  position: absolute; inset: 0; opacity: 0.3; pointer-events: none;
  background: radial-gradient(ellipse at 80% 50%, rgba(0,200,240,0.08) 0%, transparent 60%);
}
.arch-layers { display: flex; flex-direction: column; gap: 12px; margin-top: 48px; }
.arch-layer {
  display: flex; align-items: center; gap: 16px; padding: 16px;
  border: 1px solid rgba(0, 200, 240, 0.15);
  transition: all 0.3s;
}
.arch-layer:hover { border-color: var(--border-medium); }
.arch-layer-label {
  width: 80px; flex-shrink: 0; text-align: right; padding-right: 16px;
  border-right: 1px solid var(--border-strong);
  font-size: 12px; font-family: var(--font-mono);
}
.arch-layer-tags { display: flex; flex-wrap: wrap; gap: 8px; flex: 1; }
.arch-tag {
  font-size: 12px; padding: 6px 12px; font-weight: 500;
  border: 1px solid; border-radius: 2px;
}
.arch-tech-section { margin-top: 64px; }
.arch-tech-label {
  font-size: 14px; font-family: var(--font-mono); color: var(--muted-fg);
  margin-bottom: 24px; letter-spacing: 0.05em;
}
.arch-tech-grid {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px;
}
.arch-tech-card {
  padding: 16px; text-align: center;
  border: 1px solid rgba(0, 200, 240, 0.1);
  background: rgba(6, 22, 40, 0.6);
  transition: border-color 0.3s;
}
.arch-tech-card:hover { border-color: var(--border-strong); }
.arch-tech-sub { font-size: 12px; font-family: var(--font-mono); color: var(--muted-fg); margin-bottom: 4px; }
.arch-tech-main { font-size: 12px; font-weight: 500; color: #90c8e8; }

/* ===== MODULES ===== */
.modules-grid {
  display: grid; grid-template-columns: 1fr 2fr;
  border: 1px solid rgba(0, 200, 240, 0.15); margin-top: 48px;
}
.modules-list { border-right: 1px solid rgba(0, 200, 240, 0.15); }
.module-item {
  width: 100%; display: flex; align-items: center; gap: 12px;
  padding: 16px; border-bottom: 1px solid rgba(0, 200, 240, 0.08);
  background: none; border-left: 2px solid transparent; cursor: pointer;
  text-align: left; font-family: var(--font-sans); transition: all 0.2s;
}
.module-item:last-child { border-bottom: none; }
.module-item:hover { background: rgba(13, 30, 53, 0.4); }
.module-item.active {
  background: rgba(0, 200, 240, 0.1);
  border-left-color: var(--primary);
}
.module-item.active .module-item-title { color: var(--primary); }
.module-item.active .module-item-icon { color: var(--primary); }
.module-item-num { font-size: 12px; font-family: var(--font-mono); color: var(--muted-fg); width: 24px; }
.module-item-icon { width: 16px; height: 16px; color: var(--muted-fg); }
.module-item-title { font-size: 14px; font-weight: 500; color: rgba(232, 244, 255, 0.8); }
.module-detail {
  padding: 32px; display: flex; flex-direction: column;
  justify-content: space-between; min-height: 360px;
}
.module-detail-icon {
  width: 48px; height: 48px; display: flex; align-items: center; justify-content: center;
  background: rgba(0, 200, 240, 0.1); border: 1px solid var(--border-medium);
  border-radius: 2px;
}
.module-detail-icon svg { width: 22px; height: 22px; color: var(--primary); }
.module-detail-num { font-size: 12px; font-family: var(--font-mono); color: var(--muted-fg); }
.module-detail-title { font-size: 20px; font-weight: 700; color: #e8f4ff; }
.module-detail-desc {
  color: var(--muted-fg); line-height: 1.6; font-size: 14px; margin: 24px 0;
}
.module-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; }
.module-tag {
  font-size: 12px; padding: 4px 12px;
  background: rgba(0, 200, 240, 0.08);
  border: 1px solid var(--border-light); color: var(--primary);
  border-radius: 2px;
}
.module-dots { display: flex; align-items: center; gap: 8px; }
.module-dot {
  width: 8px; height: 8px; border-radius: 50%; border: none;
  background: rgba(0, 200, 240, 0.2); cursor: pointer; transition: all 0.2s;
}
.module-dot.active { background: var(--primary); width: 24px; border-radius: 4px; }

/* ===== SCENARIOS ===== */
.scenarios-section { position: relative; }
.scenarios-glow {
  position: absolute; inset: 0; opacity: 0.2; pointer-events: none;
  background: radial-gradient(ellipse at 20% 50%, rgba(0,200,240,0.1) 0%, transparent 60%);
}
.scenarios-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 48px;
}
.scenario-card {
  position: relative; padding: 24px; cursor: pointer;
  transition: all 0.3s; border: 1px solid;
  background: rgba(6, 22, 40, 0.4); backdrop-filter: blur(4px);
}
.scenario-card:hover { transform: scale(1.02); }
.scenario-card.featured { grid-column: span 2; }
.scenario-card-inner { display: flex; align-items: flex-start; gap: 16px; }
.scenario-card-icon {
  width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.05); border-radius: 2px;
}
.scenario-card-icon svg { width: 18px; height: 18px; color: rgba(232, 244, 255, 0.8); }
.scenario-card-subtitle { font-size: 12px; color: var(--muted-fg); margin-bottom: 2px; }
.scenario-card-title { font-size: 18px; font-weight: 700; color: #e8f4ff; margin-bottom: 8px; }
.scenario-card-desc { font-size: 12px; color: var(--muted-fg); line-height: 1.6; }
.scenario-card-cta {
  margin-top: 16px; display: flex; align-items: center; gap: 4px;
  font-size: 12px; color: var(--muted-fg); transition: color 0.3s;
}
.scenario-card:hover .scenario-card-cta { color: var(--primary); }
.scenario-card-cta svg { width: 12px; height: 12px; transition: transform 0.3s; }
.scenario-card:hover .scenario-card-cta svg { transform: translateX(4px); }

/* ===== SECURITY ===== */
.security-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
.security-card {
  padding: 24px; border: 1px solid rgba(0, 200, 240, 0.15);
  background: rgba(6, 22, 40, 0.6); transition: border-color 0.3s;
}
.security-card:hover { border-color: var(--border-medium); }
.security-card-header { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; }
.security-card-icon {
  width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
  background: rgba(0, 200, 240, 0.1); border: 1px solid rgba(0, 200, 240, 0.25);
  border-radius: 2px;
}
.security-card-icon svg { width: 18px; height: 18px; color: var(--primary); }
.security-card-title { font-size: 16px; font-weight: 700; color: #e8f4ff; }
.security-card ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.security-card li { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--muted-fg); }
.security-card li svg { width: 14px; height: 14px; color: var(--primary); flex-shrink: 0; }

/* ===== CTA ===== */
.cta-section { position: relative; overflow: hidden; }
.cta-bg {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,200,240,0.08) 0%, rgba(6,22,40,0.9) 50%, rgba(99,102,241,0.06) 100%);
}
.cta-grid-bg {
  position: absolute; inset: 0; opacity: 0.1;
  background-image:
    linear-gradient(rgba(0,200,240,0.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,200,240,0.3) 1px, transparent 1px);
  background-size: 40px 40px;
}
.cta-inner { text-align: center; position: relative; z-index: 10; max-width: 896px; margin: 0 auto; }
.cta-title {
  font-size: clamp(1.75rem, 4.5vw, 3rem);
  font-weight: 700; color: #e8f4ff; margin-bottom: 24px;
  letter-spacing: -0.02em;
}
.cta-desc {
  color: var(--muted-fg); font-size: clamp(0.875rem, 1.5vw, 1.0625rem);
  max-width: 640px; margin: 0 auto 40px; line-height: 1.7;
}
.cta-btns { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; }
.btn-large-primary {
  display: flex; align-items: center; gap: 8px;
  padding: 16px 32px; font-size: 14px; font-weight: 700;
  background: linear-gradient(135deg, #00c8f0, #0ea5e9);
  color: var(--bg); border: none; cursor: pointer; font-family: var(--font-sans);
  border-radius: 2px; transition: all 0.2s;
}
.btn-large-primary:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-large-outline {
  display: flex; align-items: center; gap: 8px;
  padding: 16px 32px; font-size: 14px; font-weight: 500;
  border: 1px solid var(--border-strong); color: var(--primary);
  background: transparent; cursor: pointer; font-family: var(--font-sans);
  border-radius: 2px; transition: all 0.2s;
}
.btn-large-outline:hover { background: rgba(0, 200, 240, 0.1); }

/* ===== FOOTER ===== */
.footer {
  border-top: 1px solid rgba(0, 200, 240, 0.15); padding: 48px 0;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; margin-bottom: 40px; }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-brand-icon {
  width: 32px; height: 32px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #00c8f0, #0ea5e9); border-radius: 2px;
}
.footer-brand-icon svg { width: 16px; height: 16px; color: var(--bg); }
.footer-brand-name { font-size: 14px; font-weight: 700; color: #e8f4ff; }
.footer-brand-sub { font-size: 12px; color: var(--muted-fg); font-family: var(--font-mono); }
.footer-desc { font-size: 12px; color: var(--muted-fg); line-height: 1.6; max-width: 320px; }
.footer-col-title {
  font-size: 12px; font-family: var(--font-mono); color: var(--muted-fg);
  margin-bottom: 16px; letter-spacing: 0.05em;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer-col li { font-size: 12px; color: var(--muted-fg); cursor: pointer; transition: color 0.2s; }
.footer-col li:hover { color: var(--primary); }
.footer-bottom {
  border-top: 1px solid var(--border-strong); padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center;
}
.footer-copy { font-size: 12px; color: var(--muted-fg); font-family: var(--font-mono); }
.footer-links { display: flex; gap: 16px; }
.footer-links span { font-size: 12px; color: var(--muted-fg); cursor: pointer; transition: color 0.2s; }
.footer-links span:hover { color: var(--primary); }

/* ===== ANIMATION ===== */
.fade-up {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.in-view { opacity: 1; transform: translateY(0); }
.fade-up-delay { transition-delay: 0.2s; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; }
  .pain-grid { grid-template-columns: repeat(2, 1fr); }
  .arch-tech-grid { grid-template-columns: repeat(3, 1fr); }
  .scenarios-grid { grid-template-columns: repeat(2, 1fr); }
  .scenario-card.featured { grid-column: span 1; }
}
@media (max-width: 768px) {
  .nav-links, .nav-cta-desktop { display: none; }
  .nav-toggle { display: block; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .pain-grid { grid-template-columns: 1fr; }
  .modules-grid { grid-template-columns: 1fr; }
  .modules-list { border-right: none; border-bottom: 1px solid rgba(0, 200, 240, 0.15); }
  .security-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
  .arch-layer { flex-direction: column; align-items: flex-start; }
  .arch-layer-label { width: auto; border-right: none; border-bottom: 1px solid var(--border-strong); padding: 0 0 8px 0; text-align: left; }
  .scenarios-grid { grid-template-columns: 1fr; }
}