/* CSS Main_Mdia */
/*媒体查询样式--开始------------------------------------------------------*/
@media only screen and (max-width: 1400px) {
	.main_box {
		width: 100%;
		padding: 0 3.571vw;
	}
}

@media only screen and (max-width: 980px) {
	.bt_box {
		width: 100%;
	}

	.bt_box span {
		height: 8.265vw;
		background-size: 100% 8.265vw;
	}

	.bt_box p {
		font-size: 6.122vw;
		letter-spacing: 0.204vw;
	}
}

@media only screen and (max-width: 760px) {

	/*联系方式-------开始-------------------------------------------------*/
	.lianxi {
		margin-bottom: 6.579vw;
	}

	.lianxi dt {
		display: none;
	}

	.lianxi dd {
		margin: 0 2.632vw;
		margin: 0 auto;
		margin-left: 0;
		padding: 0;
	}

	/*联系方式-------结束-------------------------------------------------*/
}

@media only screen and (max-width: 640px) {
	footer {
		height: 6.250vw;
		font-size: 2.188vw;
	}

	footer a {
		margin: 0vw 0.781vw;
	}

	/*平台导航----结束--------------------------------------------------------*/
	.lianxi dd ul {
		width: 100%;
		height: 9.375vw;
		border-radius: 2.188vw;
		margin: 3.1258vw auto;
	}

	.lianxi dd ul li {
		width: 9.375vw;
		height: 9.375vw;
	}

	.lianxi dd ul input {
		padding: 0 1.563vw;
		font-size: 5.313vw;
	}


	.lianxi dd ul button {
		width: 15.625vw;
		font-size: 2.5vw;
	}

	.lianxi dd ul button:hover {
		font-size: 2.656vw;
	}

}

@media only screen and (max-width: 320px) {
	.main_box {
		min-width: 320px;
	}

	.kong_box {
		padding: 6.250vw;
	}

	.kong_box .kong_cent {
		width: 93.750vw;
		height: 50.000vw;
		border-radius: 9.375vw;
		padding: 0 9.375vw;
	}

	.kong_box .kong_txt {
		font-size: 6.250vw;
		margin-top: 3.125vw;
	}

	.kong_box .kong_btn {
		width: 9.375vw;
		height: 9.375vw;
		top: 3.125vw;
		right: 3.125vw;
		font-size: 7.500vw;
		padding-bottom: 0.625vw;
	}

}