	*{
	margin: 0;
	padding: 0;
}
.nav{
	width: 100%;
	height: 960px;
	margin: 0 auto;
}
.ss{
background: url(../images/ss2.jpg)no-repeat;
	width: 1903px;
	height: 960px;
	margin: 0 auto;
}
.aa{
	width: 100%;
	height: 80px;
	position: relative;
}
.aa img{
	margin-left: 92px;
	margin-top: 24px;
	position: absolute;
}
.aa p{
	font-size: 26px;
	color: #fff;
	margin-left: 154px;
	margin-top: 20px;
	position: absolute;
}
.aa .nav1{
	width: 700px;
	height: 78px;
	margin-left: 780px;
	position: absolute;

}
.nav1 .one>li{
	float: left;
	width: 160px;
	height: 40px;
	list-style: none;
	text-align: center;

}
.nav1 .one>li a{
	font-size: 16px;
	font-weight: bold;
	color: #FFFFFF;
	width: 160px;
	height: 80px;
	font-weight: normal;
	line-height: 80px;
	text-decoration: none;
	display: inline-block;
	
}
.nav1 .one>li a:hover{
	width: 160px;
	height: 80px;
	color: #FFFFFF;
	background-color: #2a70ff;
	display: inline-block;
}

.nav-link {
	
  display: block;
  color: #fff;
  text-decoration: none;
  transition: all 0.1s ease;
}

/* 未选中态 */
.nav-link {
  background-color: transparent;
}

/* 选中态（active） */
.nav-item.active .nav-link {
  background-color: #1677ff; /* 蓝色选中背景，和你截图一致 */
  color: #fff;
  width: 160px;
  height: 80px;
}

/* 鼠标 hover 效果 */
.nav-link:hover {
  background-color: #4096ff;
  color: #fff;
}

.az{
	width: 140px;
	height: 80px;
	margin-left: 900px;
	position: absolute;
}
.as{
	background: url(../images/yy.png)no-repeat;
		width: 26px;
		height: 26px;
		margin-top: 25px;
}
.as .dv>li{
	float: left;
	width: 140px;
	height: 40px;
	list-style: none;
	margin-left: 40px;
}
.as .dv>li a{
	font-size: 16px;
	font-weight: 400;
	color: #FFFFFF;
	line-height: 20px;
	text-decoration: none;
	display: inline-block;
}
.as .dv>li a:hover{
	color: #FFFFFF;
	border-bottom: 3px #FFFFFF solid;
	display: inline-block;
}
.as .zx{
	width: 100px;
	background-color: #2a70ff;
	display: none;
}
.ignore{
	font-size: 16px;
	list-style: none;
	margin-left: 10px;
}
.as .dv>li:hover .zx{
	display: inline-block;
}
.xt{
	width: 100%;
	height: 1px;
	background-color: #FFFFFF;
}
.comp{
	width: 1700px;
	height: 900px;
	margin: 0 auto;
	margin-top: -240px;
	
}
.up{
	width: 1700px;
	height: 200px;
	margin-top: 140px;
}
.up p1{
	font-size: 34px;
	color: #1149ea;
	font-weight: 450;
	margin-left: 186px;
}
.up h1{
	width: 40px;
	height: 3px;
	background-color: #a7a7a7;
	margin-left: 234px;
	margin-top: 7px;
	position: relative;
}
.up p2{
	font-size: 18px;
	color: #505050;
	margin-left: 184px;
	margin-top: 5px;
	position: absolute;
}
.bt{
	width: 1700px;
	height: 600px;
}
 /* 全局重置 */
* {
	margin: 0;
	padding: 0;
	font-weight: 520;
	font-size: 22px;
	box-sizing: border-box;
	font-family: "微软雅黑", sans-serif;
}
.tab-container {
	width: 80%;
	margin: 50px auto;
}
/* 标签栏布局 */
.tab-nav {
	display: flex;
	gap: 20px; /* 标签之间的间距 */
	margin-bottom: 30px;
}
.tab-item {
	padding: 10px 100px;
	border: 1px solid #000; 
	background-color: #FFFFFF;
	border-radius: 4px;
	color: #333;
	cursor: pointer;
	transition: all 0.3s ease;
}
/* 激活态样式（对应图中蓝色按钮） */
.tab-item.active {
	 background: #355ef6;
	color: #fff;
	border-color: #355ef6;
}
.tab-item:hover:not(.active) {
	 border-color: #355ef6;
	color: #355ef6;
}
/* 内容区默认隐藏，激活时显示 */
.tab-panel {
	margin-top: 100px;
	display: none;
}
 .tab-panel.active {
	 margin-top: 80px;
	display: block;
}
 /* 产品卡片样式（模拟图中布局） */
.product-list {
	display: flex;
	gap: 58px;
	flex-wrap: wrap;
}
.product-card1 {
	 width: 400px;
	height: 380px;
	margin-top: 20px;
	position: relative;
}
.product-card1 p {
	font-size: 26px;
	font-weight: normal;
	position: absolute;
	margin-left: 22px;
	margin-top: 22px;
	color: #000;
}
.product-card1 img {
	width: 400px;
	height: 380px;
	position: absolute;
}
.product-card1 .detail-btn {
	position: absolute;
	display: inline-block;
	margin-left: 250px;
	margin-top: 14px;
	color: #fff;
	text-decoration: none;
}
.product-card2 {
	width: 400px;
	height: 380px;
	margin-top: 20px;
	position: relative;
}
.product-card2 p {
	font-size: 26px;
	font-weight: normal;
	position: absolute;
	margin-left: 22px;
	margin-top: 22px;
	color: #000;
}
.product-card2 img {
	width: 400px;
	height: 380px;
	position: absolute;
}
.product-card2 .detail-btn {
	position: absolute;
	display: inline-block;
	margin-left: 250px;
	margin-top: 14px;
	color: #fff;
	text-decoration: none;
}
.product-card3 {
	width: 400px;
	height: 380px;
	margin-top: 20px;
	position: relative;
}
.product-card3 p {
	font-size: 26px;
	font-weight: normal;
	position: absolute;
	margin-left: 22px;
	margin-top: 22px;
	color: #000;
}
.product-card3 img {
	width: 400px;
	height: 380px;
	position: absolute;
}
.product-card3 .detail-btn {
	position: absolute;
	display: inline-block;
	margin-left: 250px;
	margin-top: 14px;
	color: #fff;
	text-decoration: none;
}

.db{
	width: 1903px;
	height: 543px;
	margin: 0 auto;
	margin-top: 120px;
	background: url(../images/db.png)no-repeat;
}
.dba{
	width: 951px;
	height: 543px;
	float: left;
	position: relative;
}
.dba img{
	width: 46px;
	height: 32px;
	margin-left: 300px;
	margin-top: 126px;
	position: absolute;
}
.dba p{
	position: absolute;
	font-size: 26px;
	color: #FFFFFF;
	margin-left: 360px;
	margin-top: 122px;
}
.dba h1{
	position: absolute;
	margin-left: 300px;
	margin-top: 260px;
}
.dba p1{
	position: absolute;
	font-size: 20px;
	color: #FFFFFF;
	margin-left: 330px;
	margin-top: 260px;
}
.dba h2{
	position: absolute;
	margin-left: 300px;
	margin-top: 320px;
}
.dba p2{
	position: absolute;
	font-size: 20px;
	color: #FFFFFF;
	margin-left: 330px;
	margin-top: 320px;
}
.dba h3{
	position: absolute;
	margin-left: 300px;
	margin-top: 383px;
}
.dba p3{
	position: absolute;
	font-size: 20px;
	color: #FFFFFF;
	margin-left: 330px;
	margin-top: 380px;
}
.dba h4{
	position: absolute;
	margin-left: 300px;
	margin-top: 440px;
}
.dba p4{
	position: absolute;
	font-size: 20px;
	color: #FFFFFF;
	margin-left: 330px;
	margin-top: 440px;
}

.dbs{
	width: 952px;
	height: 543px;
	float: right;
}
.dbs ul{
	width: 600px;
	height: 200px;
	margin-top: 200px;
}
.dbs ul>li{
	float: left;
	width: 160px;
	height: 40px;
	list-style: none;
	text-align: center;

}
.dbs ul>li a{
	font-size: 18px;
	color: #FFFFFF;
	line-height: 20px;
	text-decoration: none;
	display: inline-block;
}