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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  background: #050816;
  color: white;
  overflow-x: hidden;
}

.hero-bg {
  background:
    radial-gradient(circle at top left, rgba(34,211,238,0.15), transparent 30%),
    radial-gradient(circle at top right, rgba(168,85,247,0.15), transparent 30%),
    #050816;
}

.glass {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.08);
}

.gradient-text {
  background: linear-gradient(135deg,#67E8F9,#A855F7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.grid-line {
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* 价格卡片样式 */
.plan-card {
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
  cursor: pointer;
}

.plan-card:hover {
  transform: translateY(-8px);
}

.plan-card .card-content {
  flex: 1;
}

.plan-card .card-action {
  margin-top: auto;
}

/* 选中状态 */
.plan-card.selected {
  border-color: rgba(34,211,238,0.6) !important;
  box-shadow: 0 0 30px rgba(34,211,238,0.2), 0 0 60px rgba(168,85,247,0.1);
}

.plan-card.selected .plan-btn {
  background: linear-gradient(135deg, #22D3EE, #A855F7) !important;
  color: white !important;
  border: none !important;
}

/* 推荐卡片默认无边框 */
.plan-card-popular {
  border: none !important;
}

/* 推荐卡片选中 */
.plan-card-popular.selected {
  border-color: rgba(34,211,238,0.6) !important;
  box-shadow: 0 0 30px rgba(34,211,238,0.3), 0 0 60px rgba(168,85,247,0.2);
}

/* 按钮悬停效果 */
.plan-btn {
  transition: all 0.3s ease;
}

.plan-btn:hover {
  transform: scale(1.02);
}