/* 基础样式 */
body {
  margin: 0;
  overflow-x: hidden;
  background-color: #000;
  color: white;
  font-family: 'Inter', 'ui-sans-serif', 'system-ui', '-apple-system', 'Segoe UI', 'Roboto', 'Helvetica Neue', 'Arial', 'Noto Sans', 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji', sans-serif;
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.main-content {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.header-section {
  text-align: center;
  padding: 20px;
}

.logo-container {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: linear-gradient(to bottom right, #3b82f6, #22c55e);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  animation: float 6s ease-in-out infinite;
}

.logo-icon {
  width: 40px;
  height: 40px;
  color: white;
}

.main-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.gradient-text {
  background: linear-gradient(to right, #60a5fa, #4ade80, #60a5fa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 200% auto;
  animation: gradient 3s linear infinite;
}

.subtitle {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 300;
  letter-spacing: 2px;
}

.construction-icon {
  margin-top: 30px;
  display: flex;
  justify-content: center;
}

.tool-icon {
  width: 30px;
  height: 30px;
  color: #4ade80;
  animation: rotate 2s linear infinite, pulse 1.5s ease-in-out infinite;
}

/* Footer样式 */
.footer {
  position: absolute;
  bottom: 0;
  width: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  padding: 20px 0;
  text-align: center;
  z-index: 101;
}

.footer-content p {
  margin: 0;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
}

/* 新增样式 */
@keyframes float {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
  100% {
    transform: translateY(0px);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.1);
  }
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes gradient {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

@keyframes rotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.animate-gradient {
  background-size: 200% auto;
  animation: gradient 3s linear infinite;
}