/*---------------------历史沿革样式---------------------------------*/
.bs-history {
	padding: 20px;
	background: #fff;
  }
  
  .bs-history-title {
	text-align: center;
	color: #0d689c;
	margin-bottom: 40px;
	font-size: 26px;
	font-weight: bold;
  }
  
  .bs-timeline-container {
	max-width: 1000px;
	margin: auto;
	position: relative;
  }
  
  .bs-timeline-line {
	position: absolute;
	top: 0;
	bottom: 0;
	left: 50%;
	width: 2px;
	background-color: #0d689c;
	transform: translateX(-50%);
	z-index: 1;
  }
  
  .bs-timeline-item {
	display: grid;
	grid-template-columns: 45% 10% 45%;
	align-items: center;
	margin: 40px 0;
	position: relative;
	z-index: 2;
  }
  
  .bs-timeline-left,
  .bs-timeline-right {
	padding: 15px 20px;
	background: #fff;
	border-radius: 6px;
	box-shadow: 0 0 8px rgba(0, 0, 0, 0.08);
  }
  
  .bs-timeline-left { text-align: right; }
  .bs-timeline-right { text-align: left; }
  
  .bs-timeline-item .dot {
	width: 14px;
	height: 14px;
	background: #0d689c;
	border-radius: 50%;
	margin: 0 auto;
  }
  
  .bs-timeline-item .year {
	font-weight: bold;
	font-size: 16px;
	color: #0d689c;
	margin-bottom: 6px;
  }
  
  .bs-timeline-item .text {
	font-size: 14px;
	color: #333;
	line-height: 1.6;
  }
  
  .bs-timeline-item.even .bs-timeline-left { visibility: hidden; }
  .bs-timeline-item.odd .bs-timeline-right { visibility: hidden; }
  
  @media (max-width: 768px) {
	.bs-timeline-item {
	  grid-template-columns: 100%;
	}
  
	.bs-timeline-left,
	.bs-timeline-right {
	  text-align: left !important;
	  visibility: visible !important;
	  margin-bottom: 10px;
	}
  
	.bs-timeline-item .dot {
	  margin: 20px auto;
	}
  }