/* 麦卡选号 - 深邃蓝主题 */
:root {
  --primary: #1677FF;
  --primary-dark: #0958D9;
  --bg: #FFFFFF;
  --bg-secondary: #F5F5F5;
  --text: #333333;
  --text-secondary: #666666;
  --border: #E0E0E0;
  --success: #52C41A;
  --danger: #FF4D4F;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

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

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Header */
.header {
  background: var(--bg);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  font-size: 24px;
  font-weight: bold;
  color: var(--primary);
}
.nav { display: flex; gap: 32px; }
.nav a {
  font-size: 16px;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: all 0.3s;
}
.nav a:hover, .nav a.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}
.header-phone {
  font-size: 14px;
  color: var(--text-secondary);
}
.header-phone strong {
  color: var(--primary);
  font-size: 16px;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  padding: 80px 0;
  text-align: center;
}
.hero h1 { font-size: 48px; margin-bottom: 16px; }
.hero p { font-size: 20px; opacity: 0.9; margin-bottom: 32px; }
.hero-buttons { display: flex; gap: 16px; justify-content: center; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 32px;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all 0.3s;
}
.btn-primary {
  background: white;
  color: var(--primary);
}
.btn-primary:hover { background: #f0f0f0; }
.btn-outline {
  background: transparent;
  color: white;
  border: 2px solid white;
}
.btn-outline:hover { background: rgba(255,255,255,0.1); }

/* Sections */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-secondary); }
.section-title {
  text-align: center;
  font-size: 36px;
  margin-bottom: 16px;
}
.section-desc {
  text-align: center;
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 48px;
}

/* Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.card {
  background: var(--bg);
  border-radius: 12px;
  padding: 32px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  transition: transform 0.3s;
}
.card:hover { transform: translateY(-4px); }
.card-title { font-size: 20px; margin-bottom: 12px; }
.card-price { font-size: 32px; font-weight: bold; color: var(--primary); margin-bottom: 16px; }
.card-price small { font-size: 16px; font-weight: normal; }
.card-features { list-style: none; }
.card-features li { padding: 6px 0; border-bottom: 1px solid var(--border); }
.card-features li:last-child { border-bottom: none; }

/* Number List */
.number-list { display: grid; gap: 16px; }
.number-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg);
  padding: 20px 24px;
  border-radius: 8px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}
.number-item .num { font-size: 24px; font-weight: bold; font-family: monospace; }
.number-item .price { color: var(--primary); font-weight: bold; font-size: 18px; }
.number-item .tag {
  background: var(--primary);
  color: white;
  padding: 2px 12px;
  border-radius: 20px;
  font-size: 12px;
}

/* Footer */
.footer {
  background: #1a1a1a;
  color: rgba(255,255,255,0.6);
  padding: 48px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
  margin-bottom: 32px;
}
.footer h3 { color: white; margin-bottom: 16px; }
.footer p, .footer a { font-size: 14px; line-height: 2; }
.footer a:hover { color: white; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 { font-size: 32px; }
  .hero p { font-size: 16px; }
  .section { padding: 48px 0; }
  .section-title { font-size: 28px; }
  .nav { display: none; }
  .number-item { flex-direction: column; align-items: flex-start; gap: 8px; }
}