/* 锚点云销售管理系统 - 产品介绍页样式 */

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-primary: #0B1120;
  --bg-section: #111827;
  --bg-card: #1E293B;
  --bg-card-hover: #263348;
  --accent-blue: #38BDF8;
  --accent-purple: #818CF8;
  --accent-cyan: #22D3EE;
  --accent-green: #34D399;
  --accent-orange: #FB923C;
  --accent-red: #F87171;
  --text-primary: #F1F5F9;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --border-color: #1E293B;
  --border-glow: rgba(56, 189, 248, 0.3);
  --gradient-main: linear-gradient(135deg, #38BDF8, #818CF8);
  --gradient-card: linear-gradient(145deg, rgba(56, 189, 248, 0.08), rgba(129, 140, 248, 0.04));
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 30px rgba(56, 189, 248, 0.15);
  --transition: 300ms ease;
  --font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', -apple-system,
    BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* ===== Navigation ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 48px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(11, 17, 32, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(30, 41, 59, 0.6);
  transition: background var(--transition);
}

.navbar.scrolled { background: rgba(11, 17, 32, 0.95); }

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #fff;
}

.nav-logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  font-weight: 800;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 15px;
  color: var(--text-secondary);
  transition: color var(--transition);
  position: relative;
}

.nav-links a:hover { color: var(--accent-blue); }

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-main);
  transition: width var(--transition);
  border-radius: 1px;
}

.nav-links a:hover::after { width: 100%; }

.nav-cta {
  padding: 10px 24px;
  background: var(--gradient-main);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity var(--transition), transform 150ms;
}

.nav-cta:hover { opacity: 0.9; }
.nav-cta:active { transform: scale(0.97); }

/* ===== Hero Section ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 48px 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero-bg canvas { width: 100%; height: 100%; }

.hero-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
  pointer-events: none;
}

.hero-glow--1 { top: -200px; right: -100px; background: var(--accent-blue); }
.hero-glow--2 { bottom: -200px; left: -100px; background: var(--accent-purple); }

.hero-content {
  position: relative;
  text-align: center;
  max-width: 900px;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: 100px;
  font-size: 14px;
  color: var(--accent-blue);
  margin-bottom: 32px;
  animation: fadeInUp 800ms ease-out;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-blue);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

.hero-title {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  animation: fadeInUp 800ms ease-out 100ms both;
}

.hero-title-gradient {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 880px;
  margin: 0 auto 48px;
  animation: fadeInUp 800ms ease-out 200ms both;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  animation: fadeInUp 800ms ease-out 300ms both;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  background: var(--gradient-main);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity var(--transition), transform 150ms;
  box-shadow: 0 4px 20px rgba(56, 189, 248, 0.3);
}

.btn-primary:hover { opacity: 0.9; }
.btn-primary:active { transform: scale(0.97); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  background: transparent;
  color: var(--accent-cyan);
  border: 1px solid rgba(56, 189, 248, 0.4);
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-outline:hover {
  background: rgba(56, 189, 248, 0.1);
  border-color: var(--accent-cyan);
}

.btn-outline:active { transform: scale(0.97); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), transform 150ms;
}

.btn-secondary:hover { border-color: var(--accent-blue); background: rgba(56, 189, 248, 0.05); }
.btn-secondary:active { transform: scale(0.97); }

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 64px;
  margin-top: 72px;
  animation: fadeInUp 800ms ease-out 400ms both;
}

.hero-stat { text-align: center; }

.hero-stat-value {
  font-size: 36px;
  font-weight: 700;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-stat-label {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ===== Section Common ===== */
.section {
  padding: 100px 48px;
  position: relative;
}

.section--dark { background: var(--bg-section); }

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.15);
  border-radius: 100px;
  font-size: 13px;
  color: var(--accent-blue);
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 840px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ===== Problems Section ===== */
.problems-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.problem-card {
  text-align: center;
  padding: 32px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: transform var(--transition), border-color var(--transition);
}

.problem-card:hover {
  transform: translateY(-2px);
  border-color: rgba(248, 113, 113, 0.3);
}

.problem-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(248, 113, 113, 0.1);
  color: var(--accent-red);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 24px;
}

.problem-card h4 {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-primary);
}

/* ===== Advantages Banner ===== */
.advantages-banner {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.advantage-banner-item {
  text-align: center;
  padding: 36px 16px;
  position: relative;
}

.advantage-banner-num {
  font-size: 42px;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 12px;
}

.advantage-banner-item h4 {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-primary);
}

/* ===== Features Grid ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.feature-card {
  position: relative;
  padding: 32px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-main);
  opacity: 0;
  transition: opacity var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
}

.feature-card:hover::before { opacity: 1; }

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-icon--blue { background: rgba(56, 189, 248, 0.12); color: var(--accent-blue); }
.feature-icon--purple { background: rgba(129, 140, 248, 0.12); color: var(--accent-purple); }
.feature-icon--cyan { background: rgba(34, 211, 238, 0.12); color: var(--accent-cyan); }
.feature-icon--green { background: rgba(52, 211, 153, 0.12); color: var(--accent-green); }
.feature-icon--orange { background: rgba(251, 146, 60, 0.12); color: var(--accent-orange); }
.feature-icon--red { background: rgba(248, 113, 113, 0.12); color: var(--accent-red); }

.feature-card .feature-problem {
  font-size: 12px;
  color: var(--accent-orange);
  margin-bottom: 8px;
  font-weight: 500;
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== Grid Management ===== */
.grid-management {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 64px;
}

.grid-management-text { flex: 1; }

.grid-management-tag {
  font-size: 13px;
  color: var(--accent-blue);
  font-weight: 600;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.grid-management-title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
}

.grid-management-desc {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 28px;
}

.grid-management-visual {
  flex: 1;
  position: relative;
}

/* ===== KPI Dashboard ===== */
.kpi-dashboard {
  max-width: 1200px;
  margin: 0 auto;
}

.kpi-flow {
  display: flex;
  align-items: stretch;
  gap: 0;
  margin-bottom: 48px;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.kpi-stage {
  flex: 1;
  padding: 28px 20px;
  text-align: center;
  position: relative;
  transition: transform var(--transition);
}

.kpi-stage:hover { transform: scale(1.02); }

.kpi-stage--1 { background: rgba(56, 189, 248, 0.1); border: 1px solid rgba(56, 189, 248, 0.15); }
.kpi-stage--2 { background: rgba(129, 140, 248, 0.1); border: 1px solid rgba(129, 140, 248, 0.15); }
.kpi-stage--3 { background: rgba(34, 211, 238, 0.1); border: 1px solid rgba(34, 211, 238, 0.15); }
.kpi-stage--4 { background: rgba(52, 211, 153, 0.1); border: 1px solid rgba(52, 211, 153, 0.15); }

.kpi-stage-name {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 12px;
  font-weight: 600;
}

.kpi-metrics {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.kpi-metric {
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.kpi-metric-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.kpi-metric-dot--blue { background: var(--accent-blue); }
.kpi-metric-dot--purple { background: var(--accent-purple); }
.kpi-metric-dot--cyan { background: var(--accent-cyan); }
.kpi-metric-dot--green { background: var(--accent-green); }

.kpi-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 32px;
  color: var(--text-muted);
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

/* ===== Reports Section ===== */
.reports-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.report-group {
  padding: 32px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: transform var(--transition), box-shadow var(--transition);
}

.report-group:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.report-group-num {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-blue);
  margin-bottom: 8px;
}

.report-group-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
}

.report-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.report-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
}

.report-list-icon {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gradient-main);
  flex-shrink: 0;
}

/* ===== Methodology ===== */
.methodology-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  max-width: 900px;
  margin: 0 auto 48px;
  flex-wrap: wrap;
}

.methodology-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 24px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: transform var(--transition), border-color var(--transition);
  min-width: 130px;
}

.methodology-step:hover {
  transform: translateY(-2px);
  border-color: var(--border-glow);
}

.methodology-step-num {
  font-size: 28px;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.methodology-step-label {
  font-size: 16px;
  font-weight: 600;
}

.methodology-arrow {
  font-size: 24px;
  color: var(--text-muted);
}

.methodology-desc {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ===== Feature Detail (Alternating) ===== */
.feature-detail {
  display: flex;
  align-items: center;
  gap: 64px;
  max-width: 1200px;
  margin: 0 auto 80px;
}

.feature-detail:last-child { margin-bottom: 0; }
.feature-detail--reverse { flex-direction: row-reverse; }

.feature-detail-text { flex: 1; }

.feature-detail-tag {
  font-size: 13px;
  color: var(--accent-blue);
  font-weight: 600;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.feature-detail-title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
}

.feature-detail-desc {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 28px;
}

.feature-detail-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.feature-detail-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: var(--text-secondary);
}

.feature-detail-list .check-icon {
  width: 22px;
  height: 22px;
  min-width: 22px;
  border-radius: 50%;
  background: rgba(52, 211, 153, 0.12);
  color: var(--accent-green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  margin-top: 2px;
}

.feature-detail-visual { flex: 1; position: relative; }

.feature-mockup {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.feature-mockup::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-card);
  pointer-events: none;
  border-radius: var(--radius-lg);
}

/* ===== Mockup Styles ===== */
.mockup-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mockup-dot { width: 10px; height: 10px; border-radius: 50%; }
.mockup-dot--red { background: #EF4444; }
.mockup-dot--yellow { background: #F59E0B; }
.mockup-dot--green { background: #10B981; }

.mockup-dashboard {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mockup-body {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.mockup-chart-bar {
  height: 100px;
  background: rgba(56, 189, 248, 0.15);
  border-radius: 6px;
  position: relative;
  overflow: hidden;
}

.mockup-chart-bar-fill {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--gradient-main);
  border-radius: 6px;
  opacity: 0.6;
}

.mockup-chart-bar:nth-child(1) .mockup-chart-bar-fill { height: 60%; }
.mockup-chart-bar:nth-child(2) .mockup-chart-bar-fill { height: 85%; }
.mockup-chart-bar:nth-child(3) .mockup-chart-bar-fill { height: 45%; }

.mockup-tree {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.mockup-tree-node {
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  text-align: center;
}

.mockup-tree-node--root {
  background: rgba(56, 189, 248, 0.2);
  color: var(--accent-blue);
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.mockup-tree-node--branch {
  background: rgba(129, 140, 248, 0.15);
  color: var(--accent-purple);
  border: 1px solid rgba(129, 140, 248, 0.2);
}

.mockup-tree-node--leaf {
  background: rgba(52, 211, 153, 0.12);
  color: var(--accent-green);
  border: 1px solid rgba(52, 211, 153, 0.2);
  font-size: 12px;
  padding: 6px 14px;
}

.mockup-tree-branches {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.mockup-tree-connector {
  width: 2px;
  height: 16px;
  background: var(--border-color);
  margin: 0 auto;
}

.mockup-pipeline {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mockup-pipeline-row { display: flex; gap: 8px; align-items: center; }

.mockup-pipeline-item {
  flex: 1;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
}

.mockup-pipeline-item--lead { background: rgba(56, 189, 248, 0.1); border: 1px solid rgba(56, 189, 248, 0.2); }
.mockup-pipeline-item--contact { background: rgba(129, 140, 248, 0.1); border: 1px solid rgba(129, 140, 248, 0.2); }
.mockup-pipeline-item--proposal { background: rgba(251, 146, 60, 0.1); border: 1px solid rgba(251, 146, 60, 0.2); }
.mockup-pipeline-item--deal { background: rgba(52, 211, 153, 0.1); border: 1px solid rgba(52, 211, 153, 0.2); }

.mockup-pipeline-label { font-weight: 600; color: var(--text-primary); margin-bottom: 2px; }
.mockup-pipeline-sub { color: var(--text-muted); font-size: 11px; }

.mockup-pipeline-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 16px;
  flex: 0 0 20px;
}

.mockup-reports {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.mockup-report-card {
  padding: 14px;
  background: rgba(56, 189, 248, 0.06);
  border: 1px solid rgba(56, 189, 248, 0.1);
  border-radius: var(--radius-sm);
}

.mockup-report-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--accent-blue);
}

.mockup-report-label { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

.mockup-report-chart {
  margin-top: 10px;
  height: 36px;
  display: flex;
  align-items: flex-end;
  gap: 3px;
}

.mockup-report-bar {
  flex: 1;
  background: var(--gradient-main);
  border-radius: 2px 2px 0 0;
  opacity: 0.5;
}

/* ===== Pricing Section ===== */
.pricing-card {
  max-width: 700px;
  margin: 0 auto;
  padding: 48px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.pricing-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-main);
}

.pricing-original {
  font-size: 16px;
  color: var(--text-muted);
  text-decoration: line-through;
  margin-bottom: 8px;
}

.pricing-price {
  font-size: 48px;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.pricing-price span {
  font-size: 18px;
  -webkit-text-fill-color: var(--text-secondary);
}

.pricing-period {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 4px;
  margin-bottom: 24px;
}

.pricing-divider {
  width: 100%;
  height: 1px;
  background: var(--border-color);
  margin: 24px 0;
}

.pricing-services-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--accent-orange);
}

.pricing-services {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: left;
  margin-bottom: 32px;
}

.pricing-services li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.pricing-note {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 16px;
  line-height: 1.6;
}

/* ===== WeChat QR Section ===== */
.wechat-section {
  padding: 80px 48px;
  background: var(--bg-section);
}

.wechat-card {
  max-width: 480px;
  margin: 0 auto;
  padding: 48px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  text-align: center;
}

.wechat-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.wechat-subtitle {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.wechat-qr-wrapper {
  width: 200px;
  height: 200px;
  margin: 0 auto 24px;
  background: #fff;
  border-radius: var(--radius-md);
  padding: 12px;
  position: relative;
}

.wechat-qr-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 4px;
}

.wechat-qr-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #333;
  gap: 8px;
}

.wechat-qr-placeholder svg {
  width: 48px;
  height: 48px;
  color: #07C160;
}

.wechat-qr-placeholder span {
  font-size: 12px;
  font-weight: 600;
  color: #07C160;
}

.wechat-contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.wechat-contact-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  color: var(--text-secondary);
}

.wechat-contact-item strong {
  color: var(--text-primary);
  font-weight: 600;
}

.wechat-contact-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ===== CTA Section ===== */
.cta-section {
  padding: 100px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.1;
  pointer-events: none;
}

.cta-glow--1 { top: -200px; left: 50%; transform: translateX(-50%); background: var(--accent-blue); }

.cta-section h2 {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 700;
  margin-bottom: 16px;
  position: relative;
}

.cta-section p {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto 36px;
  position: relative;
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  position: relative;
}

/* ===== Footer ===== */
.footer {
  padding: 48px;
  border-top: 1px solid var(--border-color);
  background: var(--bg-primary);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 16px;
  font-weight: 600;
}

.footer-brand-icon {
  width: 28px;
  height: 28px;
  background: var(--gradient-main);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: #fff;
  font-weight: 800;
}

.footer-copy { font-size: 14px; color: var(--text-muted); }

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--accent-blue); }

/* ===== Animations ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 600ms ease-out, transform 600ms ease-out;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .advantages-banner { grid-template-columns: repeat(3, 1fr); }
  .problems-grid { grid-template-columns: repeat(3, 1fr); }
  .reports-cards { grid-template-columns: repeat(2, 1fr); }
  .feature-detail { flex-direction: column !important; gap: 40px; }
  .feature-detail--reverse { flex-direction: column !important; }
  .grid-management { flex-direction: column; gap: 40px; }
  .kpi-flow { flex-direction: column; }
  .kpi-arrow { transform: rotate(90deg); flex: 0 0 28px; }
}

@media (max-width: 768px) {
  .navbar { padding: 0 24px; }
  .nav-links { display: none; }
  .section { padding: 64px 24px; }
  .hero { padding: 100px 24px 64px; }
  .hero-stats { gap: 32px; flex-wrap: wrap; }
  .hero-stat-value { font-size: 28px; }
  .features-grid { grid-template-columns: 1fr; }
  .advantages-banner { grid-template-columns: repeat(2, 1fr); }
  .problems-grid { grid-template-columns: repeat(2, 1fr); }
  .reports-cards { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .methodology-flow { gap: 8px; }
  .methodology-step { min-width: 100px; padding: 16px 20px; }
  .footer-inner { flex-direction: column; gap: 20px; text-align: center; }
  .footer-links { justify-content: center; }
  .pricing-card { padding: 32px 24px; }
  .wechat-card { padding: 32px 24px; }
}

@media (max-width: 480px) {
  .hero-stats { flex-direction: column; gap: 24px; }
  .hero-title { font-size: 28px; }
  .advantages-banner { grid-template-columns: 1fr; }
  .problems-grid { grid-template-columns: 1fr; }
  .mockup-body { grid-template-columns: 1fr; }
  .mockup-reports { grid-template-columns: 1fr; }
  .methodology-flow { flex-direction: column; }
  .methodology-arrow { transform: rotate(90deg); }
}