/* 重置与基础样式 */
	* {
	  margin: 0;
	  padding: 0;
	  box-sizing: border-box;
	}
	
	:root {
	  --theme: #20C1FF;
	  --bg: #fff8f8;
	}

	body {
	  font-family: "微软雅黑", Arial, sans-serif;
	  background-color: #E0F0FF;
	  color: #444;
	  line-height: 1.6;
	  padding: 0;
	}

	header {
	  background: linear-gradient(135deg, #20C1FF, #70C1FF, #C0D0FF);
	  color: white;
	  text-align: center;
	  padding: 40px 10px;
	}

	header h1 {
	  font-size: 2.8rem;
	  margin-bottom: 0.4rem;
	}

	.container {
	  width: 75%;
	  max-width: 1200px;
	  margin: 0 auto;
	  padding: 20px;
	}

	section {
	  margin-bottom: 50px;
	}
	
	img {
	max-width: 100%;
	height: auto;
	}

	h2 {
	  color: #207096;
	  border-bottom: 2px solid #ddd;
	  padding-bottom: 10px;
	  margin-bottom: 20px;
	  font-size: 1.5rem;
	}

	h3 {
	  color: #4039D1;
	  margin-bottom: 8px;
	}

	/* 产品展示 */
	.product {
	  display: flex;
	  gap: 20px;
	  margin-bottom: 30px;
	  align-items: center;
	  flex-wrap: wrap;
	}

	.product img {
	  width: 100px;
	  height: 100px;
	  object-fit: cover;
	  border-radius: 10px;
	  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
	  transition: transform 0.3s ease;
	}

	.product img:hover {
	  transform: scale(1.05);
	}

	.product-info {
	  flex: 1;
	  min-width: 250px;
	}

	.product p {
	  margin: 8px 0;
	}

	.product a {
	  display: inline-block;
	  margin-top: 10px;
	  color: #4169E1;
	  text-decoration: none;
	  font-weight: bold;
	  transition: color 0.2s;
	}

	.product a:hover {
	  color: #4169E1;
	  text-decoration: underline;
	}

	/* 分类标题 */
	.category-title {
	  font-size: 1.8rem;
	  color: #4169E1;
	  margin: 30px 0 15px 0;
	  border-bottom: 2px dashed #4169E1;
	  padding-bottom: 5px;
	}

	/* 其它链接 */
	.other-links {
	  margin: 15px 0;
	}

	.other-links a {
	  color: #4169E1;
	  margin-right: 15px;
	  text-decoration: none;
	}

	.other-links a:hover {
	  text-decoration: underline;
	}

	/* 底部信息 */
	footer {
	  text-align: center;
	  margin-top: 0px;
	  padding: 20px 0;
	  color: #666;
	  font-size: 0.9rem;
	  border-top: 1px solid #ddd
	}

	/* 提示滚动条 */
	marquee {
	  background-color: #e8f3ff;
	  padding: 10px;
	  border-left: 4px solid #4682B4;
	  margin-bottom: 20px;
	  color: #4682C4;
	}

	/* 响应式优化 */
	@media (max-width: 768px) {
	  .container {
		width: 90%;
		padding: 15px;
	  }
	  header h1 {
		font-size: 1.6rem;
	  }
	  .product {
		flex-direction: column;
		align-items: flex-start;
	  }
	  .product img {
		align-self: center;
	  }
	}

	/* 遮罩层：覆盖整个页面 */
	.agreement-overlay {
	  position: fixed;
	  top: 0;
	  left: 0;
	  width: 100%;
	  height: 100%;
	  background-color: rgba(0, 0, 0, 0.7);
	  display: flex;
	  justify-content: center;
	  align-items: center;
	  z-index: 9999;
	  overflow: hidden;
	}

	/* 弹窗主体 */
	.agreement-modal {
	  background: white;
	  width: 90%;
	  max-width: 500px;
	  max-height: 80vh;
	  border-radius: 12px;
	  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
	  overflow: hidden;
	  display: flex;
	  flex-direction: column;
	}

	/* 弹窗头部 */
	.agreement-header {
	  background: #4169D1;
	  color: white;
	  padding: 16px 20px;
	  font-size: 1.2em;
	  font-weight: bold;
	}

	/* 协议内容区域（可滚动） */
	.agreement-body {
	  padding: 20px;
	  font-size: 0.95em;
	  line-height: 1.6;
	  color: #333;
	  flex: 1;
	  overflow-y: auto;
	  max-height: 40vh;
	  border-bottom: 1px solid #eee;
	}

	/* 按钮区域 */
	.agreement-footer {
	  display: flex;
	  justify-content: center;
	  gap: 15px;
	  padding: 15px;
	  background: #f8f9fa;
	}

	.agreement-btn {
	  padding: 10px 24px;
	  font-size: 1em;
	  border: none;
	  border-radius: 6px;
	  cursor: pointer;
	  transition: all 0.2s;
	}

	.btn-agree {
	  background-color: #28a745;
	  color: white;
	}

	.btn-agree:hover {
	  background-color: #87CEED;
	}

	.btn-decline {
	  background-color: #dc3545;
	  color: white;
	}

	.btn-decline:hover {
	  background-color: #c82333;
	}

  .dropdown {
	position: relative;
	display: inline-block;
  }

  .dropbtn {
	background-color: #2c3e50;
	color: white;
	padding: 14px 20px;
	font-size: 16px;
	border: none;
	cursor: pointer;
	border-radius: 4px;
  }

  .dropbtn:hover, .dropbtn.active {
	background-color: #34495e;
  }

  .dropdown-content {
	display: none;
	position: absolute;
	background-color: #f9f9f9;
	min-width: 160px;
	box-shadow: 0px 8px 16px rgba(0,0,0,0.1);
	z-index: 1;
	border-radius: 4px;
	margin-top: 4px;
  }

  .dropdown-content a {
	color: #333;
	padding: 12px 20px;
	text-decoration: none;
	display: block;
  }

  .dropdown-content a:hover {
	background-color: #f1f1f1;
  }

  .dropbtn.active + .dropdown-content {
	display: block;
  }

/* 汉堡菜单 - 完美适配你的渐变蓝 header */
.nav-menu-toggle {
  position: absolute;
  top: 20px;
  right: 20px;
  z-index: 10;
}

.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 22px;
  cursor: pointer;
}

.hamburger span {
  display: block;
  height: 3px;
  background: white;
  border-radius: 2px;
  transition: all 0.3s ease;
  /* 白色，完美融入你的 header 渐变 */
}

/* 动画效果：变成 X */
.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(7px, 6px);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* 下拉菜单 */
.nav-dropdown {
  display: none;
  position: absolute;
  right: 0;
  top: 39px;
  background: rgba(255, 255, 255, 1);
  backdrop-filter: blur(8px);
  border-radius: 10px; /* 圆角 */
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
  min-width: 160px;
}

.hamburger.active + .nav-dropdown {
  display: block;
}

.nav-dropdown li a {
  color: #444;
  text-decoration: none;
  font-size: 15px;
  padding: 11px 20px;
  display: block;
  text-align: center;
  transition: background 0.2s;
}

.nav-dropdown li a:hover {
  background: rgba(200, 230, 255, 0.5);
  color: #222;
}

		/* 开屏 */
		#splash {
			position: fixed; top: 0; left: 0;
			width: 100%; height: 100%;
			background: #4A90E2;
			display: flex; flex-direction: column;
			justify-content: center; align-items: center;
			color: white; z-index: 1000;
		}
		.logo { font-size: 60px; margin-bottom: 20px; }

		/* 内容区：用 iframe 加载子页面 */
		#content {
			flex: 1;
			border: none;
			width: 100%;
		}

		/* 底部 Tab */
		#tabbar {
			display: flex;
			height: 60px;
			background: white;
			border-top: 1px solid #eee;
			box-shadow: 0 -2px 10px rgba(0,0,0,0.05);
		}
		.tab-item {
			flex: 1;
			display: flex;
			flex-direction: column;
			justify-content: center;
			align-items: center;
			font-size: 12px;
			color: #888;
			text-decoration: none;
		}
		.tab-item.active {
			color: #4A90E2;
			font-weight: bold;
		}
		.tab-icon { font-size: 20px; margin-bottom: 4px; }