.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.625rem;
  height: 100vh;
  background-color: #f5f5f5;
}
.screen {
  width: 80%;
  height: 1.25rem;
  background: linear-gradient(to bottom, #ccc, #fff);
  margin-bottom: 1.25rem;
  text-align: center;
  font-size: 0.875rem;
  color: #333;
  border-radius: 0.25rem;
  box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.1);
}
.seat-canvas {
  width: 100%;
  height: 500px; /* 安卓使用固定像素单位更可靠 */
  background-color: #fff;
  margin-bottom: 0.625rem;
  border-radius: 0.25rem;
  box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.1);
}
.legend {
  display: flex;
  justify-content: center;
  margin-bottom: 0.625rem;
}
.legend-item {
  display: flex;
  align-items: center;
  margin: 0 0.625rem;
}
.seat-icon {
  width: 0.9375rem;
  height: 0.9375rem;
  margin-right: 0.3125rem;
  border-radius: 0.125rem;
}
.available {
  background-color: #4CAF50;
}
.selected {
  background-color: #2196F3;
}
.sold {
  background-color: #9E9E9E;
}
.selected-seats {
  padding: 0.625rem;
  background-color: #fff;
  border-radius: 0.25rem;
  width: 90%;
  text-align: center;
  box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.1);
}