.pdf_item,
.pdf_info,
.pdf_btn img {
	-webkit-transition: all 0.5s ease;
	-moz-transition: all 0.5s ease;
	-o-transition: all 0.5s ease;
	transition: all 0.5s ease;
}

.web_main .aside {
	margin-right: 0;
	margin-left: 3.5%;
}

.web_main .c_right_box .web_th {
	margin-bottom: 20px;
}

/* listPdf */
.listPdf_ul {
	padding-top: 0;
}

.pdf_item {
	position: relative;
	padding: 30px 24px;
	background: #fff;
	box-shadow: 0px 3px 12px 0px rgba(0, 0, 0, 0.1);
	border-radius: 8px;
	width: calc((100% - 30px) / 3);
	margin-right: 15px;
	margin-bottom: 15px;
}

.pdf_item:nth-child(3n) {
	margin-right: 0;
}

.pdf_info {
	padding-top: 54px;
	background: url(../img/pdf.png) no-repeat center 0;
	background-size: 40px auto;
}

.pdf_info .title {
	line-height: 26px;
	color: #333;
	font-size: 16px;
	text-align: center;
}

.pdf_info .title a {
	color: inherit;
	transition: none;
}

.pdf_btn {
	margin: 15px 20px 0;
}

.pdf_btn .btn_down,
.pdf_btn .btn_view {
	width: 36px;
	height: 36px;
	display: block;
	overflow: hidden;
	padding: 3px;
}

.pdf_btn img {
	width: 100%;
	height: 100%;
	display: block;
}

.pdf_btn .icon_f {
	padding: 8%;
}

.pdf_btn .btn_down:hover,
.pdf_btn .btn_view:hover {
	background: var(--commonColor);
	border-radius: 5px;
}

.pdf_btn .btn_down:hover .icon_d,
.pdf_btn .btn_view:hover .icon_d {
	height: 0;
}

.pdf_btn .btn_down:hover {
	background: var(--btn-bg);
}

.pdf_btn .btn_view:hover {
	background: var(--btn-bg);
}

.pdf_item:hover {
	box-shadow: 0px 3px 12px 0px rgba(0, 0, 0, 0.3);
}

.pdf_item:hover .pdf_info {
	background-image: url(../img/pdf_h.png);
}

.pdf_item:hover .pdf_info .title {
	color: var(--commonColor);
}

@media only screen and (max-width: 1300px) {
	.pdf_btn .btn_down {
		font-size: 16px;
	}

	.pdf_item {
		padding: 20px 20px;
	}
}

@media only screen and (max-width: 980px) {
	.listPdf_ul {
		padding-top: 0;
	}

	.listPdf_ul li {
		width: 100%;
		margin-bottom: 20px;
		margin-right: 0;
		padding: 20px 16px;
	}

	.listPdf_ul li:last-child {
		margin-bottom: 0;
	}

	.pdf_item {
		width: 100%;
		margin-right: 0 !important;
	}

	.pdf_info {
		background-size: 35px auto;
	}

	.pdf_info .title {
		font-size: 16px;
		line-height: 26px;
	}

	.pdf_btn {
		margin-left: 10px;
	}

	.pdf_btn .btn_down,
	.pdf_btn .btn_view {
		width: 30px;
		height: 30px;
		padding: 0;
	}

	.pdf_btn .btn_view {
		margin-left: 10px
	}
}