/* 首页补充样式（与 xingyuande365.com 一致，配合 Tailwind CDN） */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.gradient-text {
  background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-bg {
  background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 50%, #0ea5e9 100%);
}

#p5-canvas {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 0;
  pointer-events: none;
}

.hero-z {
  position: relative;
  z-index: 1;
}

.hero-bg a.seo-internal-keyword {
  color: #dbeafe;
  font-weight: 600;
}

.hero-bg a.seo-internal-keyword:hover {
  color: #fff;
}

a.seo-internal-keyword {
  color: #2563eb;
  text-decoration: underline;
  text-underline-offset: 0.18em;
  font-weight: 500;
}

a.seo-internal-keyword:hover {
  color: #1d4ed8;
}

/* 原 index.html 内联样式：卡片悬浮、粒子装饰动画 */
.card-hover {
  transition: all 0.3s ease;
}

.card-hover:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(30, 58, 138, 0.2);
}

.floating-animation {
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

.pulse-animation {
  animation: pulse 2s infinite;
}

.pulse-animation-delay-1s {
  animation-delay: 1s;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

.business-card {
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  border: 1px solid #cbd5e1;
}

.feature-icon {
  background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
}