@media (max-width:425px) {
	body {
		font-size: 16px;
	}

	.thumb-layer .tit {
		padding: 2rem;
	}

	.thumb-layer .tit strong {
		font-size: 1.8rem;
	}

	.thumb-layer .tit p {
		font-size: 1.1rem;
	}

	#ring-list .item span {
		width: 3.5rem;
	}
}

@media (max-width:375px) {
	body {
		font-size: 14px;
	}
}

@media (max-width:320px) {
	body {
		font-size: 12px;
	}

	.thumb-layer .tit {
		padding: 1rem;
	}

	.thumb-layer .tit strong {
		font-size: 1.6rem;
	}

	.thumb-layer .tit p {
		font-size: 0.8rem;
	}
}

.about_img,
.about_txt {
	width: 50%;
	float: left;
	box-sizing: border-box;
	padding: 0 5rem;
	height: 380px;
}

.about_img img {
	display: block;
	width: 100%;
}

.qute {
	padding-bottom: 8rem;
}

.about_txt {
	overflow-y: scroll;
}

/* 定义滚动条样式 */
.about_txt::-webkit-scrollbar {
	width: 8px;
	height: 6px;
	background-color: rgba(0, 0, 0, 1);
}

/*定义滚动条轨道 内阴影+圆角*/
.about_txt::-webkit-scrollbar-track {
	box-shadow: inset 0 0 0px rgba(240, 240, 240, .5);
	border-radius: 10px;
	background-color: rgba(255, 255, 240, .5);
}

/*定义滑块 内阴影+圆角*/
.about_txt::-webkit-scrollbar-thumb {
	border-radius: 10px;
	box-shadow: inset 0 0 0px rgba(240, 240, 240, .5);
	background-color: rgba(240, 240, 240, .5);

}

.qute::after {
	content: '';
	display: block;
	clear: both;
	visibility: hidden;
	overflow: hidden;
}



.porcont ul {
	width: 100%;
	position: relative;
}

.porcont ul::before {
	content: '';
	position: absolute;
	left: 50%;
	top: 0;
	display: block;
	width: 5px;
	height: 100%;
	background-color: #66cc99;
}

.porcont ul li:nth-child(even) {
	margin-left: 60%;
	position: relative;
}

.porcont ul li:nth-child(even)::before {
	content: '';
	display: block;
	border: 8px solid transparent;
	border-right: 18px solid #000000;
	height: 0;
	width: 0;
	position: absolute;
	left: -6rem;
	top: 1.5rem;
}

.porcont ul li:nth-child(odd) {
	margin-left: 15%;
	position: relative;
}

.porcont ul li:nth-child(odd)::before {
	content: '';
	display: block;
	border: 8px solid transparent;
	border-left: 18px solid #000000;
	height: 0;
	width: 0;
	position: absolute;
	right: -4rem;
	top: 1.5rem;
}

.porcont ul li {
	width: 25%;
	border: 1px solid #999999;
	border-radius: 5px;
	padding: 1rem;
	margin: 1rem 0;
	cursor: pointer;
	transition: all .2s ease;
	position: relative;
}

.porcont ul li .com_year {
	color: #8c8496;
	font-size: 1.1rem;
	font-weight: 600;
}

.porcont ul li .com_honour p {
	position: relative;
	padding-left: 1rem;
}

.porcont ul li .com_honour p::before {
	content: '';
	position: absolute;
	left: 0px;
	top: 8px;
	display: block;
	width: 6px;
	height: 6px;
	background-color: #666699;
}

.porcont ul li:hover {
	box-shadow: 0 0 20px #000000;
}


.porcont ul li:nth-child(odd)::after {
	content: '2008';
	display: block;
	background-color: #fff;
	border: 3px solid #66cc99;
	width: 5rem;
	height: 1.5rem;
	text-align: center;
	font-size: 1.1rem;
	line-height: 1.5rem;
	border-radius: 15px;
	position: absolute;
	right: -40%;
	top: 1rem;
}

.porcont ul li:nth-child(even)::after {
	content: '2013';
	display: block;
	background-color: #fff;
	border: 3px solid #66cc99;
	width: 5rem;
	height: 1.5rem;
	text-align: center;
	font-size: 1.1rem;
	line-height: 1.5rem;
	border-radius: 15px;
	position: absolute;
	left: -47%;
	top: 1rem;
}

.porcont ul li:nth-child(3)::after {
	content: '2014';
}

.porcont ul li:nth-child(4)::after {
	content: '2015';
}

.porcont ul li:nth-child(5)::after {
	content: '2017';
}

.porcont ul li:nth-child(6)::after {
	content: '2017';
}

.porcont ul li:nth-child(7)::after {
	content: '2018';
}

.porcont ul li:nth-child(8)::after {
	content: '2019';
}

.porcont ul li:hover::after {
	background-color: #66cc99!important;
	color: #FFF;
	transform: rotate(360deg);
}

@media (max-width:1024px) {

	.about_img,
	.about_txt {
		height: 240px;
	}

	.porcont ul li:nth-child(odd) {
		margin-left: 5%;
	}

	.porcont ul li {
		width: 30%;
	}

	.porcont ul li:nth-child(even) {
		margin-left: 65%;
	}

	.porcont ul li:nth-child(odd)::after {
		right: -49%;
	}

	.porcont ul li:nth-child(even)::after {
		left: -57%;
	}
}

@media (max-width:768px) {
	.porcont ul li::before {
		display: none !important;
	}

	.about_img,
	.about_txt {
		padding: 0 1rem;
	}
}

@media (max-width:425px) {

	.about_img,
	.about_txt {
		width: 100%;
		padding: 0 2rem;
	}

	.qute {
		padding: 0;
	}

	.porcont ul::before {
		display: none;
	}

	.porcont ul li {
		margin-left: 0% !important;
		width: 80%;
	}

	.porcont ul li::after {
		display: none;
	}
}

.sect_pic .thumb-layer .tit {
	padding: 0 1rem;
}

.sect_pic .thumb-layer .tit strong {
	font-size: 1rem;
	margin-bottom: 2.1rem;
}