/* ============================================================
   律衡CRM宣传网页样式
   设计风格：现代简约 + 科技感 + 专业感
   ============================================================ */

/* ─── CSS变量 ─── */
:root {
  /* 主色调 */
  --bg-dark: #1A2B4A;
  --bg-dark-2: #243659;
  --bg-dark-3: #2E436B;
  --bg-light: #F7F9FC;
  --bg-white: #FFFFFF;

  /* 强调色 */
  --gold: #D4A853;
  --gold-light: #E5C07B;
  --gold-dark: #B8923E;
  --gold-gradient: linear-gradient(135deg, #E5C07B 0%, #D4A853 50%, #B8923E 100%);

  /* 文字颜色 */
  --text-primary: #1A2332;
  --text-secondary: #5A6B82;
  --text-light: #8A99B0;
  --text-white: #FFFFFF;
  --text-white-70: rgba(255,255,255,0.7);
  --text-white-50: rgba(255,255,255,0.5);

  /* 边框和阴影 */
  --border: #E5EAF2;
  --border-dark: rgba(255,255,255,0.08);
  --shadow-sm: 0 2px 8px rgba(10,22,40,0.06);
  --shadow-md: 0 8px 24px rgba(10,22,40,0.08);
  --shadow-lg: 0 16px 48px rgba(10,22,40,0.12);
  --shadow-gold: 0 8px 24px rgba(212,168,83,0.25);

  /* 圆角 */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* 间距 */
  --section-py: 96px;
  --container: 1200px;
}

/* ─── 全局重置 ─── */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg-white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── 通用按钮 ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  white-space: nowrap;
  cursor: pointer;
}
.btn-lg { padding: 14px 32px; font-size: 16px; border-radius: var(--radius-md); }
.btn-block { width: 100%; }

.btn-primary {
  background: var(--gold-gradient);
  color: var(--bg-dark);
  box-shadow: var(--shadow-gold);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(212,168,83,0.4);
}

.btn-outline {
  border: 1.5px solid var(--gold);
  color: var(--gold);
  background: transparent;
}
.btn-outline:hover {
  background: var(--gold);
  color: var(--bg-dark);
  transform: translateY(-2px);
}

.btn-outline-light {
  border: 1.5px solid rgba(255,255,255,0.4);
  color: var(--text-white);
  background: transparent;
}
.btn-outline-light:hover {
  border-color: var(--text-white);
  background: rgba(255,255,255,0.1);
}

.btn-ghost { color: var(--text-secondary); }
.btn-ghost:hover { color: var(--gold); }

/* ─── 区块通用 ─── */
.section { padding: var(--section-py) 0; }
.section-alt { background: var(--bg-light); }

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 64px;
}
.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(212,168,83,0.1);
  color: var(--gold-dark);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 20px;
}
.section-title {
  font-size: 38px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
  margin-bottom: 16px;
}
.section-desc {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.8;
}

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

/* ─── 滚动动画 ─── */
.reveal, .fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.4,0,0.2,1), transform 0.8s cubic-bezier(0.4,0,0.2,1);
}
.reveal.visible, .fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* ============================================================
   导航栏
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all 0.3s ease;
  background: transparent;
}
.navbar.scrolled {
  background: rgba(10,22,40,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 12px 0;
  box-shadow: 0 2px 20px rgba(0,0,0,0.2);
}
.nav-container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo-icon {
  width: 44px; height: 44px;
  background: var(--gold-gradient);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 700;
  color: var(--bg-dark);
}
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-name { font-size: 20px; font-weight: 700; color: var(--text-white); }
.logo-sub { font-size: 12px; color: var(--text-white-50); }

.nav-menu { display: flex; gap: 32px; }
.nav-link {
  color: var(--text-white-70);
  font-size: 15px;
  font-weight: 500;
  transition: color 0.2s;
  position: relative;
}
.nav-link:hover { color: var(--gold); }
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--gold);
  transition: width 0.3s;
}
.nav-link:hover::after { width: 100%; }

.nav-actions { display: flex; gap: 12px; align-items: center; }
.nav-actions .btn-ghost { color: var(--text-white-70); }
.nav-actions .btn-ghost:hover { color: var(--gold); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--text-white);
  transition: all 0.3s;
}

/* ============================================================
   Hero区
   ============================================================ */
.hero {
  position: relative;
  background: var(--bg-dark);
  padding: 160px 0 100px;
  overflow: hidden;
  color: var(--text-white);
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(212,168,83,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212,168,83,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.3;
}
.hero-glow-1 {
  width: 500px; height: 500px;
  background: var(--gold);
  top: -100px; right: -100px;
  opacity: 0.15;
}
.hero-glow-2 {
  width: 400px; height: 400px;
  background: #2563EB;
  bottom: -100px; left: -100px;
  opacity: 0.1;
}

.hero .container {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(212,168,83,0.1);
  border: 1px solid rgba(212,168,83,0.25);
  border-radius: 100px;
  font-size: 14px;
  color: var(--gold-light);
  margin-bottom: 28px;
}
.badge-dot {
  width: 8px; height: 8px;
  background: var(--gold);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}
.hero-desc {
  font-size: 17px;
  color: var(--text-white-70);
  line-height: 1.9;
  margin-bottom: 36px;
}
.hero-cta { display: flex; gap: 16px; margin-bottom: 36px; }
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--text-white-70);
}

/* Hero产品预览 */
.hero-preview { position: relative; }
.preview-window {
  background: var(--bg-dark-2);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
}
.preview-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-dark-3);
  border-bottom: 1px solid var(--border-dark);
}
.preview-dots { display: flex; gap: 6px; }
.preview-dots span {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
}
.preview-dots span:first-child { background: #FF5F57; }
.preview-dots span:nth-child(2) { background: #FEBC2E; }
.preview-dots span:nth-child(3) { background: #28C840; }
.preview-url {
  flex: 1;
  text-align: center;
  font-size: 12px;
  color: var(--text-white-50);
  background: rgba(0,0,0,0.2);
  padding: 4px 12px;
  border-radius: 6px;
}
.preview-body { display: grid; grid-template-columns: 140px 1fr; min-height: 320px; }
.preview-sidebar {
  background: var(--bg-dark-3);
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.sidebar-item {
  padding: 8px 12px;
  font-size: 12px;
  color: var(--text-white-50);
  border-radius: 6px;
}
.sidebar-item.active {
  background: rgba(212,168,83,0.15);
  color: var(--gold-light);
}
.preview-main { padding: 20px; }
.preview-stat-row {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.mini-stat {
  background: rgba(255,255,255,0.04);
  border-radius: 8px;
  padding: 12px;
  text-align: center;
}
.mini-num { font-size: 18px; font-weight: 700; color: var(--gold-light); }
.mini-label { font-size: 11px; color: var(--text-white-50); margin-top: 4px; }
.preview-chart {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  height: 140px;
  padding: 16px;
  background: rgba(255,255,255,0.02);
  border-radius: 8px;
}
.chart-bar {
  flex: 1;
  background: linear-gradient(180deg, var(--gold) 0%, var(--gold-dark) 100%);
  border-radius: 4px 4px 0 0;
  opacity: 0.7;
}

.preview-float {
  position: absolute;
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-lg);
  color: var(--text-primary);
}
.float-1 { top: 20%; right: -20px; animation: float 4s ease-in-out infinite; }
.float-2 { bottom: 15%; left: -30px; animation: float 4s ease-in-out infinite 2s; }
@keyframes float {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.float-icon { font-size: 28px; }
.float-title { font-size: 14px; font-weight: 700; }
.float-desc { font-size: 12px; color: var(--text-secondary); }

/* ============================================================
   数据统计
   ============================================================ */
.stats {
  background: var(--bg-dark-2);
  padding: 56px 0;
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 32px;
  text-align: center;
}
.stat-number {
  font-size: 44px;
  font-weight: 800;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label {
  font-size: 15px;
  color: var(--text-white-70);
}

/* ============================================================
   痛点区
   ============================================================ */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 24px;
}
.pain-card {
  position: relative;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all 0.3s;
  overflow: hidden;
}
.pain-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(212,168,83,0.3);
}
.pain-num {
  position: absolute;
  top: 16px; right: 20px;
  font-size: 48px;
  font-weight: 800;
  color: rgba(10,22,40,0.05);
  line-height: 1;
}
.pain-icon {
  width: 56px; height: 56px;
  background: rgba(212,168,83,0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 20px;
}
.pain-card h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}
.pain-card p {
  font-size: 14.5px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ============================================================
   核心功能
   ============================================================ */
.flow-steps {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 64px;
  flex-wrap: wrap;
}
.flow-step {
  flex: 1;
  min-width: 120px;
  text-align: center;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 12px;
  transition: all 0.3s;
}
.flow-step:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.flow-icon { font-size: 32px; margin-bottom: 8px; }
.flow-name { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.flow-desc { font-size: 12px; color: var(--text-secondary); }
.flow-arrow {
  display: flex;
  align-items: center;
  color: var(--gold);
  font-size: 20px;
  font-weight: 700;
}

.feature-tabs {
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-md);
}
.tabs-nav {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 36px;
  overflow-x: auto;
  padding-bottom: 0;
}
.tab-btn {
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 2.5px solid transparent;
  margin-bottom: -1px;
  transition: all 0.2s;
  white-space: nowrap;
}
.tab-btn:hover { color: var(--gold-dark); }
.tab-btn.active {
  color: var(--gold-dark);
  border-bottom-color: var(--gold);
}

.tab-pane {
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.tab-pane.active { display: grid; animation: fadeIn 0.4s ease; }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.tab-info h3 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 24px;
}
.feature-list { display: flex; flex-direction: column; gap: 16px; }
.feature-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.check-icon {
  flex-shrink: 0;
  width: 24px; height: 24px;
  background: var(--gold-gradient);
  color: var(--bg-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  margin-top: 2px;
}
.feature-list strong { color: var(--text-primary); }
.feature-list div { font-size: 15px; color: var(--text-secondary); line-height: 1.7; }

/* 功能可视化 */
.tab-visual { display: flex; justify-content: center; }
.visual-card {
  width: 100%;
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid var(--border);
}
.visual-header {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.visual-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--bg-white);
  border-radius: 8px;
  margin-bottom: 8px;
  font-size: 14px;
}
.tag {
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700;
}
.tag-a { background: #FEE2E2; color: #DC2626; }
.tag-b { background: #FEF3C7; color: #D97706; }
.tag-c { background: #DBEAFE; color: #2563EB; }

/* 拨号盘 */
.dial-pad {
  width: 280px;
  background: var(--bg-dark);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.dial-screen {
  text-align: center;
  padding: 16px;
  background: var(--bg-dark-2);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
}
.dial-number { font-size: 20px; font-weight: 700; color: var(--text-white); }
.dial-status { font-size: 13px; color: #28C840; margin-top: 4px; }
.dial-keys {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 10px;
  margin-bottom: 16px;
}
.dial-key {
  aspect-ratio: 1;
  background: var(--bg-dark-3);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-white);
  font-size: 20px;
  font-weight: 600;
  position: relative;
}
.dial-key span {
  position: absolute;
  bottom: 8px;
  font-size: 9px;
  color: var(--text-white-50);
  letter-spacing: 1px;
}
.dial-actions { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; }
.dial-btn {
  padding: 10px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-white);
  background: var(--bg-dark-3);
}
.dial-btn.hangup { background: #DC2626; }

/* 看板 */
.kanban {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 12px;
  width: 100%;
}
.kanban-col {
  background: var(--bg-light);
  border-radius: var(--radius-md);
  padding: 12px;
}
.kanban-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 10px;
  display: flex;
  justify-content: space-between;
}
.kanban-count {
  background: var(--gold);
  color: var(--bg-dark);
  padding: 0 8px;
  border-radius: 10px;
  font-size: 12px;
}
.kanban-card {
  background: var(--bg-white);
  border-radius: 8px;
  padding: 10px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 8px;
  box-shadow: var(--shadow-sm);
}
.card-meta { font-size: 11px; color: var(--text-secondary); font-weight: 400; margin-top: 4px; }

/* 财务卡片 */
.finance-card {
  width: 100%;
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--border);
}
.finance-header { font-size: 14px; color: var(--text-secondary); margin-bottom: 8px; }
.finance-total { font-size: 36px; font-weight: 800; color: var(--gold-dark); margin-bottom: 20px; }
.finance-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 14px;
}
.finance-pos { color: #16A34A; font-weight: 600; }
.finance-warn { color: #D97706; font-weight: 600; }
.finance-progress {
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  margin-top: 20px;
  overflow: hidden;
}
.finance-bar {
  height: 100%;
  background: var(--gold-gradient);
  border-radius: 4px;
}
.finance-label { font-size: 13px; color: var(--text-secondary); margin-top: 8px; text-align: right; }

/* 分析卡片 */
.analytics-card {
  width: 100%;
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid var(--border);
}
.analytics-header { font-size: 14px; font-weight: 700; color: var(--text-secondary); margin-bottom: 16px; }
.analytics-chart {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  height: 140px;
  margin-bottom: 20px;
  padding-bottom: 24px;
  position: relative;
}
.a-bar {
  flex: 1;
  background: var(--border);
  border-radius: 4px 4px 0 0;
  position: relative;
  display: flex;
  justify-content: center;
}
.a-bar.active { background: var(--gold-gradient); }
.a-bar span {
  position: absolute;
  bottom: -22px;
  font-size: 12px;
  color: var(--text-secondary);
}
.rank-list { display: flex; flex-direction: column; gap: 8px; }
.rank-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: var(--bg-white);
  border-radius: 8px;
  font-size: 14px;
}
.rank-no {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
}
.rank-1 { background: #FCD34D; }
.rank-2 { background: #D1D5DB; }
.rank-3 { background: #F59E0B; color: white; }
.rank-val { margin-left: auto; font-weight: 700; color: var(--gold-dark); }

/* 手机模型 */
.phone-mockup {
  width: 240px;
  background: var(--bg-dark);
  border-radius: 32px;
  padding: 12px;
  box-shadow: var(--shadow-lg);
}
.phone-notch {
  width: 80px; height: 20px;
  background: var(--bg-dark);
  border-radius: 0 0 12px 12px;
  margin: 0 auto 8px;
}
.phone-screen {
  background: var(--bg-white);
  border-radius: 24px;
  overflow: hidden;
  padding: 16px;
}
.phone-header {
  text-align: center;
  font-size: 15px;
  font-weight: 700;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 12px;
}
.phone-stat {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 8px;
  margin-bottom: 12px;
}
.phone-stat > div {
  text-align: center;
  background: var(--bg-light);
  padding: 8px 4px;
  border-radius: 8px;
}
.p-num { font-size: 14px; font-weight: 700; color: var(--gold-dark); }
.p-label { font-size: 10px; color: var(--text-secondary); }
.phone-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px;
  background: var(--bg-light);
  border-radius: 8px;
  margin-bottom: 6px;
  font-size: 12px;
}

/* ============================================================
   差异化优势
   ============================================================ */
.adv-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 24px;
}
.adv-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: all 0.3s;
}
.adv-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--gold);
}
.adv-icon {
  width: 72px; height: 72px;
  margin: 0 auto 20px;
  background: rgba(212,168,83,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
}
.adv-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 14px; }
.adv-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 18px; }
.adv-tag {
  display: inline-block;
  padding: 6px 14px;
  background: rgba(212,168,83,0.1);
  color: var(--gold-dark);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
}

/* ============================================================
   功能全景
   ============================================================ */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 20px;
}
.module-item {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: all 0.3s;
}
.module-item:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.module-icon { font-size: 32px; margin-bottom: 12px; }
.module-item h4 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.module-item p { font-size: 13.5px; color: var(--text-secondary); line-height: 1.7; }

/* ============================================================
   客户案例
   ============================================================ */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 24px;
}
.case-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all 0.3s;
}
.case-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}
.case-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}
.case-avatar {
  width: 52px; height: 52px;
  background: var(--gold-gradient);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 700;
  color: var(--bg-dark);
}
.case-name { font-size: 16px; font-weight: 700; }
.case-role { font-size: 13px; color: var(--text-secondary); margin-top: 2px; }
.case-quote {
  font-size: 14.5px;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 24px;
  position: relative;
  padding-left: 16px;
  border-left: 3px solid var(--gold);
}
.case-stat {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-top: 20px;
  border-top: 1px dashed var(--border);
}
.case-stat-num {
  font-size: 32px;
  font-weight: 800;
  color: var(--gold-dark);
}
.case-stat-label { font-size: 14px; color: var(--text-secondary); }

/* ============================================================
   价格方案
   ============================================================ */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 20px;
  align-items: stretch;
}
.price-card {
  position: relative;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  transition: all 0.3s;
}
.price-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.price-featured {
  border: 2px solid var(--gold);
  box-shadow: var(--shadow-gold);
  transform: scale(1.03);
}
.price-featured:hover { transform: scale(1.03) translateY(-8px); }
.price-badge {
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  background: var(--gold-gradient);
  color: var(--bg-dark);
  padding: 4px 18px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 700;
}
.price-name { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.price-cost {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 8px;
}
.price-symbol { font-size: 20px; font-weight: 700; color: var(--gold-dark); }
.price-amount { font-size: 44px; font-weight: 800; color: var(--text-primary); line-height: 1; }
.price-period { font-size: 15px; color: var(--text-secondary); }
.price-desc { font-size: 14px; color: var(--text-secondary); margin-bottom: 24px; }
.price-features {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}
.price-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
}
.price-features .check-icon {
  width: 20px; height: 20px;
  font-size: 11px;
}
.price-features .cross-icon {
  flex-shrink: 0;
  width: 20px; height: 20px;
  background: var(--border);
  color: var(--text-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
}
.price-features .disabled { color: var(--text-light); }

.pricing-note {
  text-align: center;
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.pricing-note p {
  font-size: 14.5px;
  color: var(--text-secondary);
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all 0.3s;
}
.faq-item:hover { border-color: rgba(212,168,83,0.4); }
.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 28px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  gap: 16px;
}
.faq-icon {
  flex-shrink: 0;
  width: 28px; height: 28px;
  background: rgba(212,168,83,0.1);
  color: var(--gold-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 400;
  transition: transform 0.3s;
}
.faq-item.active .faq-icon { transform: rotate(45deg); background: var(--gold); color: var(--bg-dark); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}
.faq-item.active .faq-answer { max-height: 300px; }
.faq-answer p {
  padding: 0 28px 22px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.9;
}

/* ============================================================
   CTA区
   ============================================================ */
.cta-section {
  background: var(--bg-dark);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(212,168,83,0.15) 0%, transparent 70%);
}
.cta-box {
  position: relative;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}
.cta-box h2 {
  font-size: 38px;
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: 16px;
}
.cta-box p {
  font-size: 17px;
  color: var(--text-white-70);
  margin-bottom: 36px;
}
.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
}

/* ============================================================
   页脚
   ============================================================ */
.footer {
  background: var(--bg-dark-2);
  color: var(--text-white-70);
  padding: 64px 0 24px;
  border-top: 1px solid var(--border-dark);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .nav-logo { margin-bottom: 16px; }
.footer-desc { font-size: 14px; line-height: 1.9; }
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 18px;
}
.footer-col a {
  display: block;
  font-size: 14px;
  padding: 6px 0;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--gold); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--border-dark);
  font-size: 13px;
  color: var(--text-white-50);
}

/* ============================================================
   响应式设计
   ============================================================ */
@media (max-width: 1024px) {
  :root { --section-py: 72px; }
  .hero .container { grid-template-columns: 1fr; gap: 48px; }
  .hero-preview { max-width: 560px; margin: 0 auto; }
  .hero-title { font-size: 42px; }
  .section-title { font-size: 32px; }
  .pain-grid { grid-template-columns: repeat(2,1fr); }
  .adv-grid { grid-template-columns: repeat(2,1fr); }
  .modules-grid { grid-template-columns: repeat(3,1fr); }
  .cases-grid { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }
  .pricing-grid { grid-template-columns: repeat(2,1fr); gap: 24px; }
  .price-featured { transform: none; }
  .price-featured:hover { transform: translateY(-8px); }
  .tab-pane { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  :root { --section-py: 56px; }
  .nav-menu, .nav-actions { display: none; }
  .nav-toggle { display: flex; }
  .nav-menu.open {
    display: flex;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    background: var(--bg-dark);
    padding: 20px 24px;
    gap: 16px;
    border-top: 1px solid var(--border-dark);
  }
  .hero { padding: 120px 0 64px; }
  .hero-title { font-size: 32px; }
  .hero-desc { font-size: 15px; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; }
  .hero-trust { gap: 12px; }
  .trust-item { font-size: 13px; }
  .preview-float { display: none; }
  .stats-grid { grid-template-columns: repeat(2,1fr); gap: 24px; }
  .stat-number { font-size: 32px; }
  .section-title { font-size: 26px; }
  .section-desc { font-size: 15px; }
  .pain-grid { grid-template-columns: 1fr; }
  .flow-steps { flex-direction: column; }
  .flow-arrow { transform: rotate(90deg); justify-content: center; }
  .feature-tabs { padding: 24px 20px; }
  .tabs-nav { gap: 4px; }
  .tab-btn { padding: 10px 14px; font-size: 14px; }
  .adv-grid { grid-template-columns: 1fr; }
  .modules-grid { grid-template-columns: repeat(2,1fr); gap: 12px; }
  .module-item { padding: 18px; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .cta-box h2 { font-size: 28px; }
  .cta-actions { flex-direction: column; }
  .cta-actions .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .preview-body { grid-template-columns: 100px 1fr; }
  .sidebar-item { font-size: 11px; padding: 6px 8px; }
  .preview-stat-row { gap: 6px; }
  .mini-stat { padding: 8px 4px; }
  .mini-num { font-size: 14px; }
  .mini-label { font-size: 10px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-title { font-size: 28px; }
  .modules-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .stat-number { font-size: 28px; }
}


/* ===== 预约演示弹窗 ===== */
.demo-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(6, 16, 32, 0.72);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.demo-modal-overlay.open {
  display: flex;
}
.demo-modal {
  position: relative;
  width: 100%;
  max-width: 460px;
  max-height: 90vh;
  overflow-y: auto;
  background: #fff;
  border-radius: 16px;
  padding: 36px 32px 28px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.35);
  animation: demoModalIn 0.25s ease;
}
@keyframes demoModalIn {
  from { transform: translateY(16px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.demo-modal-close {
  position: absolute;
  top: 12px;
  right: 14px;
  width: 32px;
  height: 32px;
  border: none;
  background: #f1f4f8;
  color: #6b7a90;
  font-size: 20px;
  line-height: 1;
  border-radius: 50%;
  cursor: pointer;
}
.demo-modal-close:hover {
  background: #e2e8f0;
  color: #0a1628;
}
.demo-modal h3 {
  margin: 0 0 8px;
  font-size: 22px;
  color: #0a1628;
}
.demo-modal-desc {
  margin: 0 0 20px;
  font-size: 13px;
  line-height: 1.6;
  color: #6b7a90;
}
.demo-field {
  display: block;
  margin-bottom: 14px;
}
.demo-field > span {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 600;
  color: #33415c;
}
.demo-field em {
  color: #e74c3c;
  font-style: normal;
}
.demo-field input,
.demo-field textarea {
  width: 100%;
  box-sizing: border-box;
  padding: 10px 12px;
  border: 1px solid #d7dee8;
  border-radius: 8px;
  font-size: 14px;
  color: #0a1628;
  outline: none;
  transition: border-color 0.2s;
  font-family: inherit;
}
.demo-field input:focus,
.demo-field textarea:focus {
  border-color: #D4A853;
}
.demo-field textarea {
  resize: vertical;
  min-height: 64px;
}
.demo-form-msg {
  margin: 4px 0 12px;
  font-size: 13px;
  min-height: 18px;
}
.demo-modal .btn {
  width: 100%;
}