.container {
	width: 100%;
	max-width: 400px;
	margin: 0 auto;
	padding: 32px 16px 0 16px;
	box-sizing: border-box;
	display: flex;
	flex-direction: column;
	align-items: center;
  }

  .robot-img {
	width: 160px;
	height: 160px;
	margin-bottom: 16px;
	/* 占位SVG机器人 */
	background: none;
	display: flex;
	align-items: center;
	justify-content: center;
  }

  .robot-img img {
	animation: ai-float 2.2s ease-in-out infinite alternate;
  }

  @keyframes ai-float {
	0% {
	  transform: translateY(0) scale(1);
	  filter: drop-shadow(0 2px 8px #ffa20044);
	}
	50% {
	  transform: translateY(-12px) scale(1.04);
	  filter: drop-shadow(0 8px 18px #ffa20066);
	}
	100% {
	  transform: translateY(0) scale(1);
	  filter: drop-shadow(0 2px 8px #ffa20044);
	}
  }

  .title {
	font-size: 2rem;
	font-weight: 600;
	margin-bottom: 8px;
	color: #ffa200;
	text-align: left;
	width: 100%;
  }

  .subtitle {
	font-size: 1.5rem;
	font-weight: 500;
	margin-bottom: 24px;
	color: #fff;
	text-align: left;
	width: 100%;
	line-height: 1.2;
  }

  .card {
	background: rgba(20, 30, 60, 0.95);
	border-radius: 18px;
	padding: 20px 18px;
	margin-bottom: 24px;
	width: 100%;
	box-sizing: border-box;
	box-shadow: 0 4px 24px rgba(0, 0, 0, 0.18);
  }

  .result-box {
	background: linear-gradient(135deg, #18213c 60%, #1ec6e6 100%);
	border-radius: 12px;
	padding: 64px 18px; /* 高度加一倍，原32px改为64px */
	max-width: 340px;
	margin: 60px auto;
	color: #fff;
	box-shadow: 0 4px 24px rgba(0, 0, 0, 0.18);
  }

  .accuracy {
	font-size: 1.1rem;
	margin-bottom: 10px;
	color: #fff;
  }

  .accuracy .percent {
	color: #ffa200;
	font-weight: bold;
	font-size: 1.3rem;
  }

  .desc {
	font-size: 1rem;
	color: #b8c6e0;
	margin-bottom: 6px;
  }

  .desc .highlight {
	color: #ffa200;
	font-weight: 500;
	text-decoration: underline;
	cursor: pointer;
  }

  .input-group {
	width: 100%;
	margin-bottom: 18px;
  }

  .input-group input {
	width: 100%;
	padding: 14px 12px;
	border-radius: 8px;
	border: none;
	background: #232b45;
	color: #b8c6e0;
	font-size: 1rem;
	outline: none;
	margin-bottom: 0;
	box-sizing: border-box;
	text-align: center;
  }

  .btn {
	width: 100%;
	padding: 14px 0;
	border: none;
	border-radius: 24px;
	background: linear-gradient(90deg, #1ec6e6 0%, #25a4e9 100%);
	color: #fff;
	font-size: 1.1rem;
	font-weight: 600;
	cursor: pointer;
	transition: background 0.2s;
	margin-top: 8px;
	box-shadow: 0 2px 8px rgba(30, 198, 230, 0.18);
	animation: btn-breath 1.8s ease-in-out infinite;
  }

  @keyframes btn-breath {
	0% {
	  box-shadow: 0 2px 16px 0 rgba(30, 198, 230, 0.25),
		0 2px 8px rgba(30, 198, 230, 0.18);
	  transform: scale(1);
	}
	50% {
	  box-shadow: 0 4px 32px 0 rgba(30, 198, 230, 0.38),
		0 2px 16px rgba(30, 198, 230, 0.22);
	  transform: scale(1.04);
	}
	100% {
	  box-shadow: 0 2px 16px 0 rgba(30, 198, 230, 0.25),
		0 2px 8px rgba(30, 198, 230, 0.18);
	  transform: scale(1);
	}
  }

  #chat-btn {
	animation: breath 1.6s ease-in-out infinite;
  }

  @keyframes breath {
	0% {
	  box-shadow: 0 2px 12px 0 #15a22333;
	  transform: scale(1);
	}
	50% {
	  box-shadow: 0 6px 24px 0 #15a22355;
	  transform: scale(1.04);
	}
	100% {
	  box-shadow: 0 2px 12px 0 #15a22333;
	  transform: scale(1);
	}
  }

@media (max-width: 480px) {
.container {
  padding: 18px 4px 0 4px;
}

.robot-img {
  width: 120px;
  height: 120px;
}

.title {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 0;
}

.subtitle {
  font-size: 1.1rem;
  text-align: center;
}
}