/* ===== CSS Variables & Reset - 飞书风格浅色主题 ===== */
:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f5f6f7;
  --bg-card: #ffffff;
  --bg-card-hover: #f8f9fa;
  --border-color: #e5e6eb;
  --border-hover: #c9cdd4;
  --text-primary: #1d2129;
  --text-secondary: #4e5969;
  --text-muted: #86909c;
  --accent: #3370ff;
  --accent-light: #4f86ff;
  --accent-glow: rgba(51, 112, 255, 0.15);
  --accent2: #00b42a;
  --accent3: #ff7d00;
  --gradient-1: linear-gradient(135deg, #3370ff, #00b42a);
  --gradient-2: linear-gradient(135deg, #3370ff 0%, #722ed1 100%);
  --radius: 8px;
  --radius-lg: 16px;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 4px 24px rgba(0,0,0,0.12);
  --font-sans: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::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-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== Header - 飞书风格 ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}
.header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 1.05rem; color: var(--text-primary); }
.logo-icon { font-size: 1.5rem; color: var(--accent); }
.logo-img { height: 36px; width: auto; display: block; background: #fff; border-radius: 4px; }
.footer-logo-img { height: 32px; width: auto; display: block; }
.footer-logo { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 1rem; color: var(--text-primary); }
.logo-text { white-space: nowrap; font-size: 1rem; line-height: 1.2; }
.nav-desktop { display: flex; align-items: center; gap: 28px; }
.nav-link {
  font-size: 0.88rem; color: var(--text-secondary); transition: var(--transition);
  position: relative; padding: 4px 0;
}
.nav-link:hover { color: var(--text-primary); }
.nav-link::after {
  content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px;
  background: var(--accent); transition: var(--transition);
}
.nav-link:hover::after { width: 100%; }
.nav-link.active { color: var(--text-primary); font-weight: 600; }
.nav-link.active::after { width: 100%; }
.nav-cta {
  background: var(--accent); color: #fff !important; padding: 8px 20px;
  border-radius: 6px; font-weight: 500;
}
.nav-cta::after { display: none; }
.nav-cta:hover { background: var(--accent-light); transform: translateY(-1px); }

/* ===== Language Select ===== */
.lang-select {
  appearance: none;
  -webkit-appearance: none;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 6px 28px 6px 10px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  cursor: pointer;
  outline: none;
  transition: var(--transition);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2386909c' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  flex-shrink: 0;
}
.lang-select:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}
.lang-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.lang-select-mobile {
  display: none;
  margin-top: 12px;
  width: 100%;
  padding: 10px 14px;
}
.nav-mobile.open .lang-select-mobile {
  display: block;
}

.mobile-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.mobile-toggle span {
  display: block; width: 24px; height: 2px; background: var(--text-primary);
  margin: 5px 0; transition: var(--transition);
}
.nav-mobile {
  display: none; flex-direction: column; padding: 16px 24px;
  border-top: 1px solid var(--border-color);
}
.nav-mobile .nav-link { padding: 12px 0; border-bottom: 1px solid var(--border-color); }

/* ===== Hero - 飞书风格 ===== */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  padding: 120px 0 80px; overflow: hidden;
  background: linear-gradient(180deg, #f0f5ff 0%, #ffffff 100%);
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(51,112,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(51,112,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-glow {
  position: absolute; top: -20%; left: 50%; transform: translateX(-50%);
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(51,112,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 1; text-align: center; }
.hero-badge {
  display: inline-block; padding: 6px 16px; border-radius: 50px;
  background: rgba(51,112,255,0.08); border: 1px solid rgba(51,112,255,0.15);
  font-size: 0.82rem; color: var(--accent); margin-bottom: 32px;
  letter-spacing: 0.5px;
}
.hero-title { margin-bottom: 24px; }
.hero-title-line {
  display: block; font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800;
  line-height: 1.2; letter-spacing: -0.02em;
  color: var(--text-primary);
}
.hero-title-accent {
  display: block; font-size: clamp(1.1rem, 2.5vw, 1.6rem); font-weight: 500;
  color: var(--text-secondary); margin-top: 12px; line-height: 1.4;
}
.hero-subtitle {
  font-size: 1.05rem; color: var(--text-secondary); max-width: 680px;
  margin: 0 auto 40px; line-height: 1.8;
}
.text-highlight { color: var(--accent); font-weight: 600; }
.hero-actions { display: flex; gap: 16px; justify-content: center; margin-bottom: 64px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 14px 32px;
  border-radius: 10px; font-weight: 600; font-size: 0.95rem;
  transition: var(--transition); cursor: pointer; border: none;
}
.btn-primary {
  background: var(--accent); color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow);
}
.btn-primary:hover {
  background: var(--accent-light); transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}
.btn-outline {
  background: transparent; color: var(--text-primary);
  border: 1px solid var(--border-hover);
}
.btn-outline:hover {
  background: rgba(79,110,247,0.1); border-color: var(--accent);
  transform: translateY(-2px);
}
.btn-full { width: 100%; justify-content: center; }

.hero-stats {
  display: flex; justify-content: center; align-items: center; gap: 40px;
  flex-wrap: wrap;
}
.hero-stat { text-align: center; }
.hero-stat-num {
  font-size: 2.5rem; font-weight: 800; color: var(--accent-light);
  display: inline;
}
.hero-stat-unit { font-size: 1.2rem; font-weight: 600; color: var(--accent); }
.hero-stat-label { display: block; font-size: 0.85rem; color: var(--text-muted); margin-top: 4px; }
.hero-stat-divider { width: 1px; height: 40px; background: var(--border-color); }

.hero-scroll {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--text-muted); font-size: 0.8rem;
}
.hero-scroll-line {
  width: 1px; height: 40px; background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ===== Section Common ===== */
.section { padding: 100px 0; position: relative; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-tag {
  display: inline-block; font-size: 0.75rem; font-weight: 600;
  letter-spacing: 3px; color: var(--accent); text-transform: uppercase;
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 800;
  line-height: 1.3; margin-bottom: 16px;
}
.section-desc { font-size: 1rem; color: var(--text-secondary); max-width: 600px; margin: 0 auto; }

/* ===== Capabilities ===== */
.capabilities { background: var(--bg-secondary); }
.capabilities-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.cap-card {
  background: var(--bg-card); border: 1px solid var(--border-color);
  border-radius: var(--radius-lg); padding: 40px;
  transition: var(--transition); position: relative; overflow: hidden;
  box-shadow: var(--shadow);
}
.cap-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--gradient-1); opacity: 0; transition: var(--transition);
}
.cap-card:hover {
  border-color: var(--accent); background: var(--bg-card-hover);
  transform: translateY(-4px); box-shadow: var(--shadow-lg);
}
.cap-card:hover::before { opacity: 1; }
.cap-icon {
  width: 56px; height: 56px; border-radius: 12px;
  background: rgba(51,112,255,0.08); display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.cap-icon svg { width: 28px; height: 28px; color: var(--accent); }
.cap-title { font-size: 1.25rem; font-weight: 700; margin-bottom: 12px; color: var(--text-primary); }
.cap-desc { font-size: 0.92rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 20px; }
.cap-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.cap-tags span {
  padding: 4px 12px; border-radius: 6px; font-size: 0.78rem;
  background: rgba(51,112,255,0.06); color: var(--accent);
  border: 1px solid rgba(51,112,255,0.12);
}

/* ===== Modules ===== */
.modules { background: var(--bg-primary); }
.modules-showcase { display: flex; flex-direction: column; gap: 80px; }
.module-item {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.module-item.reverse { direction: rtl; }
.module-item.reverse > * { direction: ltr; }
.module-visual { position: relative; }
.module-mockup {
  background: var(--bg-card); border: 1px solid var(--border-color);
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-lg); transition: var(--transition);
}
.module-mockup:hover { border-color: var(--border-hover); transform: translateY(-4px); }
.mockup-header {
  display: flex; align-items: center; gap: 8px; padding: 14px 20px;
  background: rgba(0,0,0,0.2); border-bottom: 1px solid var(--border-color);
}
.mockup-dot { width: 10px; height: 10px; border-radius: 50%; }
.mockup-dot.r { background: #ff5f57; }
.mockup-dot.y { background: #ffbd2e; }
.mockup-dot.g { background: #28c840; }
.mockup-title { margin-left: 12px; font-size: 0.8rem; color: var(--text-muted); }
.mockup-body { padding: 24px; }

/* Flow diagram */
.flow-diagram { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.flow-node {
  padding: 8px 16px; border-radius: 8px; font-size: 0.8rem;
  background: rgba(79,110,247,0.08); border: 1px solid var(--border-color);
  color: var(--text-secondary); white-space: nowrap;
}
.flow-node.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.flow-arrow { color: var(--text-muted); font-size: 0.9rem; }
.mockup-stats { display: flex; flex-direction: column; gap: 8px; }
.stat-bar {
  height: 6px; border-radius: 3px; background: rgba(79,110,247,0.1);
  position: relative; overflow: hidden;
}
.stat-bar::after {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0;
  width: var(--w); background: var(--gradient-1); border-radius: 3px;
}

/* HR module */
.hr-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 16px; }
.hr-card {
  padding: 14px; border-radius: 10px; background: rgba(79,110,247,0.06);
  border: 1px solid var(--border-color);
}
.hr-label { display: block; font-size: 0.75rem; color: var(--text-muted); margin-bottom: 4px; }
.hr-value { font-size: 1.3rem; font-weight: 700; color: var(--accent-light); }
.hr-chart { display: flex; align-items: flex-end; gap: 8px; height: 60px; }
.hr-bar {
  flex: 1; border-radius: 4px 4px 0 0; background: var(--gradient-1);
  height: var(--h); opacity: 0.7; transition: var(--transition);
}
.hr-bar:hover { opacity: 1; }

/* Business module */
.biz-pipeline { display: flex; flex-direction: column; gap: 12px; }
.biz-stage {
  display: flex; align-items: center; gap: 12px; padding: 10px 16px;
  border-radius: 8px; background: rgba(79,110,247,0.04);
  border: 1px solid var(--border-color); font-size: 0.85rem;
}
.biz-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--text-muted);
  flex-shrink: 0;
}
.biz-dot.active { background: var(--accent2); box-shadow: 0 0 8px var(--accent2); }
.biz-pct { margin-left: auto; font-size: 0.8rem; color: var(--accent); font-weight: 600; }

/* Permission module */
.perm-tree { padding: 8px 0; }
.perm-level { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.perm-node {
  padding: 8px 20px; border-radius: 8px; font-size: 0.82rem; text-align: center;
  border: 1px solid var(--border-color);
}
.perm-node.root { background: var(--accent); color: #fff; border-color: var(--accent); }
.perm-node.admin { background: rgba(0,212,170,0.1); border-color: rgba(0,212,170,0.3); color: var(--accent2); }
.perm-node.user { background: rgba(79,110,247,0.06); color: var(--text-secondary); }
.perm-children { display: flex; gap: 12px; }

/* Document module */
.doc-list { display: flex; flex-direction: column; gap: 10px; }
.doc-item {
  display: flex; align-items: center; gap: 10px; padding: 12px 16px;
  border-radius: 8px; background: rgba(79,110,247,0.04);
  border: 1px solid var(--border-color); font-size: 0.82rem;
}
.doc-tag {
  padding: 2px 8px; border-radius: 4px; font-size: 0.72rem; font-weight: 600; flex-shrink: 0;
}
.doc-tag.red { background: rgba(239,68,68,0.15); color: #f87171; }
.doc-tag.blue { background: rgba(59,130,246,0.15); color: #60a5fa; }
.doc-tag.green { background: rgba(34,197,94,0.15); color: #4ade80; }
.doc-status { margin-left: auto; font-size: 0.75rem; color: var(--text-muted); flex-shrink: 0; }
.doc-status.done { color: var(--accent2); }
.doc-status.processing { color: var(--accent3); }

/* Dashboard module */
.dash-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.dash-card {
  padding: 16px; border-radius: 10px; background: rgba(79,110,247,0.04);
  border: 1px solid var(--border-color); text-align: center;
}
.dash-mini-chart svg { width: 100%; height: 40px; }
.dash-ring { position: relative; width: 60px; height: 60px; margin: 0 auto; }
.dash-ring svg { width: 100%; height: 100%; }
.dash-ring-val {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; font-weight: 700; color: var(--accent-light);
}
.dash-bars { display: flex; align-items: flex-end; gap: 6px; height: 40px; justify-content: center; }
.dash-bars > div {
  width: 12px; border-radius: 3px 3px 0 0; background: var(--gradient-1);
  height: var(--h); opacity: 0.7;
}
.dash-label { display: block; font-size: 0.72rem; color: var(--text-muted); margin-top: 8px; }

/* Asset Grid (首页模块2) */
.asset-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding: 20px; }
.asset-item {
  padding: 14px; border-radius: 10px; text-align: center;
  background: rgba(51,112,255,0.06); border: 1px solid var(--border-color);
  transition: var(--transition);
}
.asset-item:hover { border-color: var(--accent); }
.asset-icon { font-size: 1.5rem; margin-bottom: 6px; }
.asset-item span { display: block; font-size: 0.82rem; color: var(--text-secondary); margin-bottom: 4px; }
.asset-status { font-size: 0.75rem; color: var(--accent); font-weight: 600; }

/* Archive View (首页模块5) */
.archive-view { display: grid; grid-template-columns: 140px 1fr; gap: 16px; padding: 20px; }
.archive-sidebar { display: flex; flex-direction: column; gap: 8px; }
.archive-folder {
  padding: 8px 12px; border-radius: 6px; font-size: 0.78rem; cursor: pointer;
  transition: var(--transition);
}
.archive-folder:hover { background: rgba(51,112,255,0.06); }
.archive-folder.active { background: rgba(51,112,255,0.1); color: var(--accent); }
.archive-main { display: flex; flex-direction: column; gap: 8px; }
.archive-file {
  padding: 8px 12px; border-radius: 6px; font-size: 0.78rem;
  background: rgba(51,112,255,0.04); border: 1px solid var(--border-color);
  display: flex; justify-content: space-between; align-items: center;
}
.af-ver { font-size: 0.7rem; color: var(--accent); font-weight: 600; }

/* Module info */
.module-num {
  font-size: 3rem; font-weight: 900; color: rgba(51,112,255,0.12);
  line-height: 1; margin-bottom: 8px; display: block;
}
.module-title { font-size: 1.5rem; font-weight: 700; margin-bottom: 16px; }
.module-desc { font-size: 0.92rem; color: var(--text-secondary); line-height: 1.8; margin-bottom: 20px; }
.module-features { display: flex; flex-direction: column; gap: 10px; }
.module-features li {
  display: flex; align-items: flex-start; gap: 10px; font-size: 0.88rem;
  color: var(--text-secondary);
}
.module-features li::before {
  content: '✓'; color: var(--accent2); font-weight: 700; flex-shrink: 0;
  width: 20px; height: 20px; display: flex; align-items: center; justify-content: center;
  background: rgba(0,180,42,0.1); border-radius: 50%; font-size: 0.7rem;
}

/* ===== Advantages ===== */
.advantages { background: var(--bg-secondary); }
.advantages-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.adv-card {
  background: var(--bg-card); border: 1px solid var(--border-color);
  border-radius: var(--radius-lg); padding: 36px;
  transition: var(--transition); position: relative; overflow: hidden;
  box-shadow: var(--shadow);
}
.adv-card::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 2px;
  background: var(--gradient-1); opacity: 0; transition: var(--transition);
}
.adv-card:hover {
  border-color: var(--accent); transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.adv-card:hover::after { opacity: 1; }
.adv-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: rgba(51,112,255,0.08); display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.adv-icon svg { width: 24px; height: 24px; color: var(--accent); }
.adv-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; color: var(--text-primary); }
.adv-card p { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.7; }

/* ===== Scenarios ===== */
.scenarios { background: var(--bg-primary); }
.scenarios-tabs {
  display: flex; justify-content: center; gap: 12px; margin-bottom: 48px; flex-wrap: wrap;
}
.scenario-tab {
  padding: 10px 24px; border-radius: 6px; font-size: 0.9rem; font-weight: 500;
  background: var(--bg-card); border: 1px solid var(--border-color);
  color: var(--text-secondary); cursor: pointer; transition: var(--transition);
}
.scenario-tab:hover { border-color: var(--accent); color: var(--text-primary); }
.scenario-tab.active {
  background: var(--accent); border-color: var(--accent); color: #fff;
}
.scenarios-content { position: relative; }
.scenario-panel { display: none; animation: fadeIn 0.4s ease; }
.scenario-panel.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.scenario-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.scenario-text h3 { font-size: 1.5rem; font-weight: 700; margin-bottom: 8px; }
.scenario-subtitle { font-size: 0.95rem; color: var(--text-secondary); margin-bottom: 24px; }
.scenario-list { display: flex; flex-direction: column; gap: 14px; margin-bottom: 32px; }
.scenario-list li {
  font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7;
  padding-left: 20px; position: relative;
}
.scenario-list li::before {
  content: ''; position: absolute; left: 0; top: 10px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
}
.scenario-list li strong { color: var(--text-primary); }
.scenario-metrics { display: flex; gap: 32px; }
.metric { text-align: center; }
.metric-val { display: block; font-size: 1.5rem; font-weight: 800; color: var(--accent-light); }
.metric-label { font-size: 0.78rem; color: var(--text-muted); }
.scenario-visual { display: flex; justify-content: center; }
.scenario-card-stack { display: flex; flex-direction: column; gap: 12px; width: 100%; max-width: 360px; }
.sc-card {
  padding: 18px 24px; border-radius: 12px; font-size: 0.9rem;
  background: var(--bg-card); border: 1px solid var(--border-color);
  transition: var(--transition);
  box-shadow: var(--shadow);
}
.sc-card.highlight {
  background: rgba(51,112,255,0.08); border-color: var(--accent);
  color: var(--accent); font-weight: 600;
}
.sc-card:hover { transform: translateX(8px); border-color: var(--accent); }

/* ===== Value ===== */
.value { background: var(--bg-secondary); }
.value-timeline { position: relative; max-width: 700px; margin: 0 auto; padding-left: 60px; }
.value-timeline::before {
  content: ''; position: absolute; left: 24px; top: 0; bottom: 0;
  width: 2px; background: linear-gradient(to bottom, var(--accent), var(--accent2));
}
.value-item { position: relative; margin-bottom: 40px; }
.value-item:last-child { margin-bottom: 0; }
.value-marker {
  position: absolute; left: -60px; top: 0; width: 48px; height: 48px;
  border-radius: 50%; background: var(--bg-card); border: 2px solid var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; font-weight: 700; color: var(--accent);
  z-index: 1;
  box-shadow: var(--shadow);
}
.value-card {
  background: var(--bg-card); border: 1px solid var(--border-color);
  border-radius: var(--radius-lg); padding: 28px 32px;
  transition: var(--transition);
  box-shadow: var(--shadow);
}
.value-card:hover { border-color: var(--accent); transform: translateX(8px); }
.value-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
.value-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 16px; }
.value-bar {
  height: 6px; border-radius: 3px; background: rgba(79,110,247,0.1); overflow: hidden;
}
.value-bar-fill {
  height: 100%; border-radius: 3px; background: var(--gradient-1);
  width: var(--w); transition: width 1s ease;
}

/* ===== Contact ===== */
.contact { background: var(--bg-primary); }
.contact-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contact-title { font-size: 1.8rem; font-weight: 800; margin-bottom: 16px; margin-top: 12px; }
.contact-desc { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 32px; }
.contact-items { display: flex; flex-direction: column; gap: 20px; }
.contact-item { display: flex; align-items: flex-start; gap: 16px; }
.contact-item-icon {
  width: 44px; height: 44px; border-radius: 12px; flex-shrink: 0;
  background: rgba(51,112,255,0.08); display: flex; align-items: center; justify-content: center;
}
.contact-item-icon svg { width: 20px; height: 20px; color: var(--accent); }
.contact-item strong { display: block; font-size: 0.9rem; margin-bottom: 2px; }
.contact-item p { font-size: 0.85rem; color: var(--text-secondary); }

.contact-form-wrapper {
  background: var(--bg-card); border: 1px solid var(--border-color);
  border-radius: var(--radius-lg); padding: 40px;
  box-shadow: var(--shadow-lg);
}
.contact-form h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 500; margin-bottom: 6px; color: var(--text-secondary); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; padding: 10px 14px; border-radius: 8px;
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  color: var(--text-primary); font-size: 0.9rem; transition: var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }
.form-checkboxes { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.checkbox {
  display: flex; align-items: center; gap: 8px; font-size: 0.85rem;
  color: var(--text-secondary); cursor: pointer;
}
.checkbox input[type="checkbox"] {
  width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer;
}
.form-note { font-size: 0.78rem; color: var(--text-muted); text-align: center; margin-top: 12px; }

/* ===== Footer ===== */
.footer { background: var(--bg-secondary); border-top: 1px solid var(--border-color); padding: 64px 0 32px; }
.footer-top { display: grid; grid-template-columns: 1fr 2fr; gap: 60px; margin-bottom: 48px; }
.footer-slogan { font-size: 0.9rem; color: var(--text-secondary); margin: 12px 0 20px; }
.footer-contact-info p { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 6px; }
.footer-links { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.footer-col h4 { font-size: 0.9rem; font-weight: 600; margin-bottom: 16px; color: var(--text-primary); }
.footer-col a {
  display: block; font-size: 0.82rem; color: var(--text-muted);
  padding: 4px 0; transition: var(--transition);
}
.footer-col a:hover { color: var(--accent-light); }
.footer-bottom {
  border-top: 1px solid var(--border-color); padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
}
.footer-bottom p { font-size: 0.8rem; color: var(--text-muted); }
.footer-bottom a { color: var(--text-muted); transition: var(--transition); }
.footer-bottom a:hover { color: var(--accent-light); }

/* ===== Scroll Animations ===== */
.reveal {
  opacity: 1; transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .capabilities-grid { grid-template-columns: 1fr; }
  .module-item { grid-template-columns: 1fr; gap: 32px; }
  .module-item.reverse { direction: ltr; }
  .advantages-grid { grid-template-columns: repeat(2, 1fr); }
  .scenario-layout { grid-template-columns: 1fr; gap: 32px; }
  .contact-wrapper { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav-desktop { display: none; }
  .mobile-toggle { display: block; }
  .nav-mobile.open { display: flex; }
  .hero-stats { gap: 24px; }
  .hero-stat-divider { display: none; }
  .hero-stat-num { font-size: 1.8rem; }
  .advantages-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .form-checkboxes { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .section { padding: 64px 0; }
  .scenario-metrics { flex-direction: column; gap: 16px; }
  .dash-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-title-line { font-size: 1.6rem; }
  .footer-links { grid-template-columns: 1fr; }
}