.firm-box>ul>li{
	float: left;
	background-color: #e6f0fa; /* 品牌蓝浅色系，柔和不刺眼，呼应导航蓝 */
	width: 640px;
	height: 260px;
	padding: 38px 40px;
	margin-right: 20px;
	margin-bottom: 20px;
	box-shadow: 0 2px 10px rgba(0,88,168,0.1); /* 浅蓝阴影，更有层次 */
}
.firm-box>ul>li:nth-child(2n){
	margin-right: 0;
}
.contact-top{
	padding-top: 50px; padding-bottom:30px;
	position: relative;
	z-index: 2;
}
.firm-tit{
	font-size: 20px;
	color: #0058a8; /* 品牌蓝主色，标题突出，呼应导航 */
	font-weight: bold;
	line-height: 30px;
	margin-bottom: 10px;
}
.firm-txtbox>p{
	font-size: 14px;
	color: #2d3748; /* 深灰黑色，清晰易读，不刺眼 */
	line-height: 30px;
	position: relative;
}
/* 电话/邮箱图标颜色同步（避免图标和文字不协调） */
.firm-txtbox>p>span>img{
	filter: invert(14%) sepia(82%) saturate(400%) hue-rotate(185deg) brightness(90%) contrast(90%);
}

.fir-select{
	margin: 30px 0px;
}
.fir-select>select{
	width: 350px;
	height: 56px;
	appearance:none;
	-moz-appearance:none;
	-webkit-appearance:none;
	background: rgb( 241, 242, 246 ) url(../images/jt4.jpg) no-repeat right 20px center;
	background-size: 14px 8px;
	padding: 0 20px;
	font-size: 16px;
	color: #333333;
}
.fir-select select::-ms-expand { display: none; }


.contact-cent .firm-box>ul>li{
	height: 290px;
	background-color: #fff;
	box-shadow: 0px 0px 20px 0px rgba( 0, 0, 0 ,0.2);
}
.contact-cent .firm-box>ul>li .firm-tit{
	color: #0058a8;
}

.contact-cent .firm-txtbox>p{
	color: #333333;
}
.dzimg{
	position: absolute;
	right: 20px;
	bottom: 40px;
	width: 16px;
	max-height: 20px;
}
.dzimg>img{
	max-height: 100%;
	filter: invert(14%) sepia(82%) saturate(400%) hue-rotate(185deg) brightness(90%) contrast(90%);
}

.firm-box>ul>li{
	position: relative;
}
.dzimg>img{
	margin: 0 !important;
}

/* 地图弹窗 */
.map-tanbox{
	display: none;
}
.map-con{
    width:1200px;
	z-index: 100;
	max-width: 1200px;
	max-height: 500px;
	overflow: hidden;
	text-align: center;
}
.shut{
	width: 20px;
	height: 20px;
	position: absolute;
	right: 10px;
	top: 10px;
	z-index: 222 !important;
}
.shut>img{
	max-width: 100%;
}