#tab{position:relative;}
#tab .tabList ul li{
	float:left;
	list-style:none;
	padding:5px 0;
	text-align:center;
	margin-left:-1px;
	position:relative;
	cursor:pointer;
	margin-right:70px;
	font-size:20px;
	color:#139dda;
}
#tab .tabList ul{ float:left;}
#tab .tabList ul li span
{
	font-size:14px;
	color:#b2b2b2;
	margin-left:8px;
}
.n_mr
{
	float:right;
	font-size:12px;
}
.n_mr a
{
	float:right;
	color:#b2b2b2;
	margin-top:2px;
}
. n_mr a:hover
{
	color:#b2b2b2;
}
#tab .tabCon{
	position:absolute;
	left:-1px;
	top:32px;
	border:1px solid #ccc;
	border-top:none;
	width:650px;
}
#tab .tabCon div{
	padding:10px;
	position:absolute;
	opacity:0;
	filter:alpha(opacity=0);
}
#tab .tabList li.cur{
	border-bottom:none;
	background:#fff;
	background: url('../images/v2_52.png') no-repeat bottom;
}
#tab .tabCon div.cur{
	opacity:1;
	filter:alpha(opacity=100);
}

.products_index {
    padding: 20px;
    /* background-color: #f9f9f9; */ /* 背景颜色，可根据需要调整 */
}

#hot1 .grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr); /* 每行4列 */
    gap: 20px; /* 项目之间的间距 */
    margin: 60px auto 0;
}

#hot1 .item {
    background-color: #fff; /* 每个项的背景颜色 */
    border: 1px solid #ddd; /* 边框 */
    border-radius: 8px; /* 圆角 */
    overflow: hidden;
    padding-bottom: 20px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1); /* 阴影效果 */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

#hot1 .item:hover {
    transform: translateY(-5px); /* 悬停时上移 */
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.2); /* 悬停时阴影变大 */
}

#hot1 .img img {
    max-width: 80%; /* 图片宽度自动适应容器 */
    max-height: 240px;
    height: auto;
    display: block;
    margin: 0 auto; /* 居中 */
    padding: 10px; /* 图片的内边距 */
}

#hot1 .txt {
    padding: 10px;
    font-size: 16px;
    font-weight: bold;
    color: #333;
}

#hot1 .txt a {
    text-decoration: none; /* 去掉下划线 */
    color: #2888e2; /* 链接颜色 */
    transition: color 0.3s ease;
}

#hot1 .txt a:hover {
    color: #005bb5; /* 悬停时的链接颜色 */
}

.products_index{}
.products_index *{}
.products_index *{}
.products_index *{}
.products_index *{}
.products_index *{}
.products_index *{}
.products_index *{}
.products_index *{}
.products_index .products_line{
    margin: 10px auto;
}
.products_index .img{
    width: 280px;
    height: 275px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 10px auto;
}

.technical-parameters {
	background-color: #f9f9f9;
	/* 背景颜色 */
	padding: 20px;
	border: 1px solid #ddd;
	/* 边框 */
	border-radius: 8px;
	/* 圆角 */
	line-height: 1.6;
	/* 行高 */
	font-family: Arial, sans-serif;
	color: #333;
}

.technical-parameters h3 {
	margin-bottom: 10px;
	font-size: 20px;
	color: #0073e6;
	/* 标题颜色 */
}

.technical-parameters ul {
	list-style: none;
	padding: 0;
	margin: 0;
	float: none;
	width: 100%;
	border: none;
}

.technical-parameters li {
	margin-bottom: 10px;
	/* 列表项的间距 */
	padding-left: 20px;
	position: relative;
}

.technical-parameters li::before {
	content: "△";
	/* 列表项前的符号 */
	position: absolute;
	left: 0;
	color: #0073e6;
	/* 符号颜色 */
	font-weight: bold;
}