body { padding: 0; margin: 0 }
#tuanjie-container { 
  position: fixed; 
  width: 100%; 
  height: 100%; 
  background: url('loading_bg.avif') no-repeat center center;
  background-size: cover;
}
#tuanjie-canvas { width: 100%; height: 100%; background: transparent }
#tuanjie-loading-bar { 
  position: absolute; 
  left: 50%; 
  bottom: 15%; 
  transform: translateX(-50%); 
  display: block;
  text-align: center;
}
#tuanjie-logo { 
  width: 350px; 
  height: 30px; 
  /* background: url('tuanjie-logo-dark.png') no-repeat center; */
  margin: 0 auto 30px auto;
  /* display: none; */
}
#tuanjie-progress-bar-empty { 
  width: 80vw; 
  max-width: none; 
  height: 18px; 
  background: rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}
#tuanjie-progress-bar-full { 
  width: 0%; 
  height: 100%; 
  background: linear-gradient(135deg, #FF4444, #CC0000, #FF6666);
  border-radius: 8px;
  transition: width 0.3s ease;
  box-shadow: 0 2px 8px rgba(255, 68, 68, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}
#tuanjie-warning { position: absolute; left: 50%; top: 5%; transform: translate(-50%); background: white; padding: 10px; display: none }