#main {
	margin: 0 auto !important;
	background-color: #f5f5f5;
	font-family: "微软雅黑"!important;
}

.intro-img {
	display: flex;
	align-items: center;
}
.us-container{
	width: 60em;
	margin: 3em auto;
	position: relative;
}
/* 时间轴中间的竖线 */
.timeline::after {
	content: '';
	position: absolute;
	width: 6px;
	background-color: rgb(15, 46, 159);
	top: 0;
	bottom: 0;
	left: 50%;
	margin-left: -3px;
	border-radius: 3px;
}

/* 时间轴项容器 */
.timeline-item {
	padding: 10px 40px;
	position: relative;
	width: 50%;
	box-sizing: border-box;
	opacity: 0;
	transform: translateY(50px);
	animation: fadeInUp 0.8s forwards;
}
 /* 为每个项目设置不同的动画延迟 */
.timeline-item:nth-child(1) { animation-delay: 0.4s; }
.timeline-item:nth-child(2) { animation-delay: 0.8s; }
.timeline-item:nth-child(3) { animation-delay: 1.2s; }
.timeline-item:nth-child(4) { animation-delay: 1.6s; }
.timeline-item:nth-child(5) { animation-delay: 2.0s; }
 @keyframes fadeInUp {
	from {
		opacity: 0;
		transform: translateY(50px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

/* 左右交替排列 */
.timeline-item:nth-child(odd) {
	left: 0;
}

.timeline-item:nth-child(even) {
	left: 50%;
}

/* 时间轴项内容 */
.timeline-content {
	padding: 20px 10px;
	background-color: white;
	position: relative;
	border-radius: 8px;
	box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
	transition: transform 0.3s ease;
}

.timeline-content img{
	width: 200px;
}

.timeline-item:hover .timeline-content {
	transform: translateY(-5px);
	box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

/* 时间轴项上的小圆点 */
.timeline-item::after {
	content: '';
	position: absolute;
	width: 20px;
	height: 20px;
	background-color: white;
	border: 4px solid rgba(15, 46, 159,0.5);
	border-radius: 50%;
	top: 20px;
	z-index: 1;
}

/* 左右圆点位置 */
.timeline-item:nth-child(odd)::after {
	right: -10px;
}

.timeline-item:nth-child(even)::after {
	left: -10px;
}

/* 标题 */
.timeline-title {
	font-size: 1.3rem;
	margin:0 0 10px 10px;
	color: rgb(15, 46, 159);
	font-weight: bold;
}
.timeline-content p{
	margin: 10px 0 0 20px;
	font-size: 18px;
}
/* 品牌愿景 */
.brand-container{
	background-color: white;
	padding-top: 1em;
}
.brand-container .content{
	width: 60em;
	margin: 0 auto;
	display: flex;
	justify-content: space-between;
	padding-bottom: 3em;
}
.left-img{
	width: 28%;
}
.left-img img{
	width: 100%;
}
.top-img{
	width: 71%;
	
}
.top-img img{
	width: 100%;
}
.brand-info{
	width: 100%;
	padding:25px;
	border-radius: 4px;
	background-color: #f5f5f5;
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: 12px;
}
.brand-info:last-child{
	margin-bottom: 0;
}
.brand-info .titles{
	font-size: 32px;
	font-weight: 800;
	color: #2c2c2c;
}
.spa{
	font-size: 18px;
	margin: 14px 0 0 0;
	font-weight: 500;
	letter-spacing: 1px;
	color: #666;
}
.brand-info .small{
	font-size: 14px;
	font-weight: 400;
	color: #2c2c2c;
	margin-left: 20px;
}
.brand-info  img{
	width: 38px;
	height: 30px;
}

/* 响应式设计 - 小屏幕时改为单列 */
@media screen and (max-width: 768px) {
	.timeline::after {
		left: 31px;
	}

	.timeline-item {
		width: 100%;
		padding-left: 70px;
		padding-right: 25px;
	}

	.timeline-item:nth-child(even) {
		left: 0;
	}

	.timeline-item::after {
		left: 21px;
	}

	.timeline-item:nth-child(odd)::after {
		right: auto;
	}
}