html {
	font-size: 16px;
	-webkit-text-size-adjust: 100%;
}

body {
	font-family: "Microsoft YaHei", "PingFang SC", Arial, Helvetica, sans-serif;
	font-size: 16px;
	line-height: 1.75;
	color: #333;
}

img,
video,
embed,
object {
	max-width: 100%;
	height: auto;
}

table {
	max-width: 100%;
}

.Content,
.Content img {
	max-width: 100%;
}

.Content img {
	height: auto;
}

a {
	text-underline-offset: 3px;
}

a:focus,
button:focus,
input:focus,
textarea:focus {
	outline: 2px solid #970000;
	outline-offset: 2px;
}

.head {
	width: 100%;
	height: auto;
	min-height: 55px;
}

.menu {
	height: auto;
	min-height: 51px;
}

#nav {
	height: auto;
	min-height: 55px;
	font-family: "Microsoft YaHei", Arial, sans-serif;
}

#nav ul {
	margin: 0 auto;
	padding: 0;
	display: flex;
	align-items: stretch;
	justify-content: center;
	flex-wrap: wrap;
}

#nav ul li {
	font-size: 16px;
	line-height: 1.4;
}

#nav ul li a {
	min-height: 24px;
	padding: 15px 18px;
	margin: 0 8px;
	display: flex;
	align-items: center;
	justify-content: center;
}

.sdiv {
	box-sizing: border-box;
}

.copytext {
	box-sizing: border-box;
	font-size: 14px;
	line-height: 1.85;
	padding: 22px 20px;
	height: auto;
	min-height: 0;
	overflow: visible;
	word-break: break-word;
	overflow-wrap: anywhere;
}

.copytext p,
.copytext div {
	margin: 0 0 8px;
	line-height: 1.85;
}

.copytext img {
	width: auto;
	max-height: 36px;
	vertical-align: middle;
}

.footer-record {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 10px;
	flex-wrap: wrap;
}

.friend-links {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 0 14px;
	flex-wrap: wrap;
}

.friend-links a {
	white-space: nowrap;
}

.seo-service {
	background: #fff;
	padding: 42px 16px;
}

.seo-service-inner {
	max-width: 1120px;
	margin: 0 auto;
	color: #333;
}

.seo-service h2 {
	margin: 0 0 14px;
	font-size: 28px;
	line-height: 1.4;
	text-align: center;
}

.seo-service p {
	margin: 0;
	line-height: 1.85;
}

.seo-service-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 18px;
	margin-top: 24px;
}

.seo-service-grid div,
.seo-faq {
	border: 1px solid #e5e5e5;
	padding: 20px;
	box-sizing: border-box;
	background: #fafafa;
}

.seo-service strong,
.seo-faq h3 {
	display: block;
	margin: 0 0 8px;
	color: #970000;
	font-weight: 600;
}

.seo-faq {
	margin-top: 18px;
}

.ioc_menu {
	margin: 0;
	padding: 0;
	display: flex;
	flex-wrap: wrap;
	gap: 9px;
}

.ioc_menu a {
	display: block;
}

.ioc_menu li {
	box-sizing: border-box;
	margin: 0;
	transition: transform .2s ease, box-shadow .2s ease;
}

.ioc_menu li:hover {
	transform: translateY(-2px);
	box-shadow: 0 8px 20px rgba(0, 0, 0, .12);
}

figure h2 {
	line-height: 1.35;
}

figure p,
figcaption a {
	font-size: 15px;
	line-height: 1.6;
}

@media (max-width: 1240px) {
	.sdiv,
	#nav,
	.copytext {
		width: 100%;
		max-width: 1220px;
	}

	.logo img {
		max-width: 92%;
		height: auto;
	}

	#nav ul li a {
		margin: 0 2px;
		padding: 14px 12px;
	}
}

@media (max-width: 768px) {
	body {
		font-size: 15px;
		line-height: 1.7;
	}

	.logo {
		padding-top: 22px;
		padding-bottom: 18px;
	}

	#nav ul {
		justify-content: flex-start;
	}

	#nav ul li {
		width: 33.333%;
		font-size: 15px;
	}

	#nav ul li a {
		min-height: 44px;
		padding: 10px 6px;
		margin: 0;
	}

	#full-screen-slider,
	#slides {
		height: 260px;
	}

	.sdiv {
		width: 100%;
		border-left: 0;
		border-right: 0;
	}

	.ioc_menu li {
		width: calc(50% - 5px);
		height: 220px;
		background-size: cover;
	}

	.copytext {
		width: 100%;
		font-size: 13px;
		padding: 18px 14px;
	}

	.seo-service-grid {
		grid-template-columns: 1fr;
	}

	.seo-service h2 {
		font-size: 22px;
	}
}

@media (max-width: 480px) {
	#nav ul li {
		width: 50%;
	}

	#full-screen-slider,
	#slides {
		height: 210px;
	}

	.ioc_menu li {
		width: 100%;
		height: 230px;
	}
}