:root {
	--primary: #1e88e5;
	--primary-light: #64b5f6;
	--primary-dark: #0d47a1;
	--light: #f8fdff;
	--dark: #263238;
	--gray: #78909c;
	--light-gray: #eceff1;
	--shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
	--transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
	--accent-yellow: #ffc107;
	--accent-green: #4CAF50;
}

* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	font-family: 'Noto Sans SC', 'Segoe UI', 'Microsoft YaHei', sans-serif;
}

body {
	background-color: var(--light);
	color: var(--dark);
	line-height: 1.6;
	overflow-x: hidden;
	position: relative;
	background-image: linear-gradient(135deg, rgba(30, 136, 229, 0.03), rgba(33, 150, 243, 0.01));
	word-wrap: break-word;
	/* 防止长单词溢出 */
}

/* 主标题区域 */
/* 修改 ssyqpm.css 中的 .hero-section 部分 */
.hero-section {
	background:
		linear-gradient(135deg, rgba(0, 0, 0, 0.7), rgba(0, 0, 40, 0.7)),
		url('../img/banner/banner-ssyqpm.jpg');
	background-size: cover;
	background-position: center;
	color: white;
	padding: 100px 20px;
	text-align: center;
	position: relative;
	overflow: hidden;
}


.hero-section::before {
	content: '';
	position: absolute;
	top: -50%;
	left: -50%;
	width: 200%;
	height: 200%;
	background: radial-gradient(circle, rgba(79, 195, 247, 0.1) 0%, transparent 70%);
	z-index: 0;
}

.hero-content {
	max-width: 1200px;
	margin: 0 auto;
	position: relative;
	z-index: 2;
}

.hero-title {
	font-size: 3.5rem;
	font-weight: 700;
	margin-bottom: 20px;
	text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
	letter-spacing: 1px;
}


.hero-subtitle {
	font-size: 1.2rem;
	color: rgba(255, 255, 255, 0.9);
	margin-bottom: 30px;
	max-width: 700px;
	margin-left: auto;
	margin-right: auto;
}

.hero-cta {
	display: inline-block;
	background: linear-gradient(135deg, var(--primary), var(--primary-dark));
	color: white;
	padding: 14px 35px;
	border-radius: 50px;
	font-weight: 600;
	font-size: 1rem;
	text-decoration: none;
	transition: var(--transition);
	box-shadow: 0 5px 15px rgba(30, 136, 229, 0.3);
}

.hero-cta:hover {
	transform: translateY(-5px);
	box-shadow: 0 10px 25px rgba(30, 136, 229, 0.4);
}

.seo-container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 40px 20px;
	overflow: hidden;
	/* 防止内容溢出 */
}

/* 标题样式 */
.section-header {
	text-align: center;
	margin-bottom: 50px;
	position: relative;
	overflow: hidden;
	/* 防止内容溢出 */
}

.section-title {
	font-size: 2rem;
	margin-bottom: 15px;
	color: var(--primary-dark);
	font-weight: 700;
	position: relative;
	display: inline-block;
}

.section-title::after {
	content: '';
	position: absolute;
	bottom: -10px;
	left: 50%;
	transform: translateX(-50%);
	width: 80px;
	height: 4px;
	background: var(--primary);
	border-radius: 2px;
}

.section-subtitle {
	color: var(--gray);
	font-size: 1.1rem;
	max-width: 700px;
	margin: 25px auto 0;
	font-weight: 400;
	line-height: 1.8;
}

/* 搜索引擎比较区域 */
.engine-comparison {
	background: white;
	border-radius: 15px;
	padding: 30px 20px;
	box-shadow: var(--shadow);
	margin-bottom: 50px;
	overflow: hidden;
	/* 防止内容溢出 */
}

.comparison-title {
	font-size: 1.6rem;
	color: var(--primary-dark);
	margin-bottom: 25px;
	text-align: center;
	position: relative;
	padding-bottom: 15px;
}

.comparison-title::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 50%;
	transform: translateX(-50%);
	width: 50px;
	height: 3px;
	background: var(--primary);
}

.engine-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	gap: 25px;
}

.engine-card {
	background: #f9fbfd;
	border-radius: 12px;
	padding: 25px;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
	transition: var(--transition);
	border-top: 4px solid var(--primary);
	max-width: 100%;
	/* 防止卡片溢出 */
}

.engine-card:hover {
	transform: translateY(-5px);
	box-shadow: 0 8px 20px rgba(30, 136, 229, 0.15);
}

.engine-logo {
	display: flex;
	justify-content: center;
	margin-bottom: 15px;
}

.engine-logo i {
	font-size: 3rem;
	color: var(--primary);
}

.engine-name {
	font-size: 1.4rem;
	text-align: center;
	margin-bottom: 15px;
	color: var(--primary-dark);
}

.rules-list {
	list-style: none;
	margin-bottom: 20px;
}

.rules-list li {
	display: flex;
	align-items: flex-start;
	margin-bottom: 12px;
	padding-bottom: 12px;
	border-bottom: 1px dashed #e0e0e0;
}

.rules-list li:last-child {
	border-bottom: none;
}

.rules-list i {
	color: var(--primary);
	margin-right: 10px;
	margin-top: 4px;
	min-width: 24px;
	/* 防止图标换行 */
}

.optimization-strategy {
	background: rgba(30, 136, 229, 0.05);
	border-radius: 8px;
	padding: 15px;
	border-left: 3px solid var(--primary);
	overflow: hidden;
	/* 防止内容溢出 */
}

.strategy-title {
	font-size: 1.1rem;
	margin-bottom: 8px;
	color: var(--primary-dark);
}

/* 技术优势区域 */
.tech-advantages {
	margin-bottom: 50px;
	overflow: hidden;
	/* 防止内容溢出 */
}

.advantages-title {
	font-size: 1.6rem;
	color: var(--primary-dark);
	margin-bottom: 25px;
	text-align: center;
	position: relative;
	padding-bottom: 15px;
}

.advantages-title::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 50%;
	transform: translateX(-50%);
	width: 50px;
	height: 3px;
	background: var(--primary);
}

.advantages-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	gap: 20px;
}

.advantage-card {
	background: white;
	border-radius: 15px;
	padding: 25px;
	text-align: center;
	box-shadow: var(--shadow);
	transition: var(--transition);
	position: relative;
	overflow: hidden;
	display: flex;
	flex-direction: column;
	height: 100%;
	max-width: 100%;
	/* 防止卡片溢出 */
}

.advantage-card:hover {
	transform: translateY(-5px);
	box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.advantage-icon {
	font-size: 2.8rem;
	color: var(--primary);
	margin-bottom: 15px;
	height: 60px;
	display: flex;
	align-items: center;
	justify-content: center;
}

.advantage-title {
	font-size: 1.3rem;
	margin-bottom: 12px;
	color: var(--primary-dark);
	min-height: 50px;
	display: flex;
	align-items: center;
	justify-content: center;
}

.advantage-desc {
	color: var(--gray);
	margin-bottom: 15px;
	flex-grow: 1;
	font-size: 0.95rem;
}

.case-study {
	background: rgba(76, 175, 80, 0.08);
	border-radius: 8px;
	padding: 12px;
	text-align: left;
	font-size: 0.9rem;
}

.case-title {
	font-weight: 600;
	margin-bottom: 5px;
	color: #2e7d32;
}

/* 稳定性保障区域 */
.stability-section {
	background: white;
	border-radius: 15px;
	padding: 30px 20px;
	box-shadow: var(--shadow);
	margin-bottom: 50px;
	overflow: hidden;
	/* 防止内容溢出 */
}

.stability-content {
	display: flex;
	flex-wrap: wrap;
	gap: 30px;
}

.stability-text {
	flex: 1;
	min-width: 280px;
}

.stability-image {
	flex: 1;
	min-width: 280px;
	border-radius: 12px;
	overflow: hidden;
	background: linear-gradient(135deg, var(--primary), var(--primary-dark));
	display: flex;
	align-items: center;
	justify-content: center;
	color: white;
	font-size: 1.3rem;
	font-weight: 700;
	text-align: center;
	padding: 25px;
}

.guarantee-list {
	list-style: none;
	margin-top: 25px;
}

.guarantee-list li {
	display: flex;
	align-items: flex-start;
	margin-bottom: 20px;
}

.guarantee-list i {
	font-size: 1.3rem;
	color: var(--primary);
	margin-right: 15px;
	min-width: 30px;
}

.guarantee-content h3 {
	font-size: 1.2rem;
	margin-bottom: 6px;
	color: var(--primary-dark);
}

/* 客户案例区域 */
.client-cases {
	background: white;
	border-radius: 15px;
	padding: 30px 20px;
	box-shadow: var(--shadow);
	margin-bottom: 50px;
	overflow: hidden;
	/* 防止内容溢出 */
}

.cases-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	gap: 25px;
}

.case-card {
	background: #f9fbfd;
	border-radius: 12px;
	padding: 25px;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
	transition: var(--transition);
	border-top: 4px solid var(--accent-green);
	max-width: 100%;
	/* 防止卡片溢出 */
}

.case-card:hover {
	transform: translateY(-5px);
	box-shadow: 0 8px 20px rgba(30, 136, 229, 0.15);
}

.case-logo {
	display: flex;
	justify-content: center;
	margin-bottom: 15px;
}

.case-logo i {
	font-size: 2.8rem;
	color: var(--accent-green);
}

.case-name {
	font-size: 1.4rem;
	text-align: center;
	margin-bottom: 15px;
	color: var(--primary-dark);
}

.case-result {
	background: rgba(30, 136, 229, 0.05);
	border-radius: 8px;
	padding: 15px;
	border-left: 3px solid var(--accent-green);
	margin-top: 12px;
}

.result-title {
	font-size: 1rem;
	margin-bottom: 8px;
	color: var(--accent-green);
	font-weight: 600;
}

/* 动画效果 */
.animate {
	opacity: 0;
	transform: translateY(20px);
	transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate.visible {
	opacity: 1;
	transform: translateY(0);
}

/* 特色卡片效果 */
.feature-badge {
	position: absolute;
	top: 15px;
	right: 15px;
	background: var(--accent-yellow);
	color: #333;
	padding: 5px 12px;
	border-radius: 20px;
	font-size: 0.85rem;
	font-weight: 600;
}

.card-border {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	border: 2px solid var(--primary);
	border-radius: 15px;
	opacity: 0.1;
	transition: opacity 0.3s ease;
}

.advantage-card:hover .card-border {
	opacity: 0.3;
}

/* 响应式设计 - 针对小屏幕优化 */
@media (max-width: 1200px) {
	.hero-title {
		font-size: 3rem;
	}

	.section-title {
		font-size: 2.3rem;
	}
}

@media (max-width: 992px) {
	.hero-section {
		padding: 70px 20px;
	}

	.hero-title {
		font-size: 2.5rem;
	}

	.section-title {
		font-size: 2rem;
	}

	.engine-grid,
	.advantages-grid,
	.cases-grid {
		gap: 20px;
	}
}

@media (max-width: 768px) {
	.hero-title {
		font-size: 2.2rem;
	}

	.hero-subtitle {
		font-size: 1.1rem;
	}

	.section-title {
		font-size: 1.8rem;
	}

	.section-subtitle {
		font-size: 1rem;
	}

	.comparison-title,
	.advantages-title {
		font-size: 1.5rem;
	}

	.engine-card,
	.advantage-card,
	.case-card {
		padding: 20px;
	}

	.stability-content {
		flex-direction: column;
	}

	.stability-image {
		min-height: 200px;
	}
}

@media (max-width: 576px) {
	.hero-section {
		padding: 50px 15px;
	}

	.seo-container {
		padding: 30px 15px;
	}

	.hero-title {
		font-size: 1.8rem;
	}

	.hero-cta {
		padding: 12px 30px;
		font-size: 0.95rem;
	}

	.section-title {
		font-size: 1.6rem;
	}

	.section-subtitle {
		font-size: 0.95rem;
	}

	.engine-name,
	.case-name,
	.advantage-title {
		font-size: 1.3rem;
	}

	.rules-list li,
	.guarantee-list li {
		flex-direction: column;
		align-items: flex-start;
	}

	.rules-list i,
	.guarantee-list i {
		margin-bottom: 8px;
	}

	.engine-grid,
	.advantages-grid,
	.cases-grid {
		grid-template-columns: 1fr;
	}

	.engine-comparison,
	.stability-section,
	.client-cases {
		padding: 20px 15px;
		margin-bottom: 30px;
	}

	.engine-card,
	.advantage-card,
	.case-card {
		padding: 18px 15px;
	}
}

@media (max-width: 480px) {
	.hero-section {
		padding: 40px 10px;
	}

	.seo-container {
		padding: 25px 10px;
	}

	.hero-title {
		font-size: 1.6rem;
	}

	.hero-subtitle {
		font-size: 1rem;
		padding: 0 5px;
	}

	.section-title {
		font-size: 1.5rem;
	}

	.section-subtitle {
		font-size: 0.9rem;
	}

	.comparison-title,
	.advantages-title {
		font-size: 1.3rem;
		padding: 0 10px;
	}

	.engine-card,
	.advantage-card,
	.case-card {
		padding: 15px 12px;
	}

	.stability-image {
		font-size: 1.1rem;
		padding: 20px;
		min-height: 180px;
	}

	.optimization-strategy,
	.case-result {
		padding: 12px;
	}

	.feature-badge {
		top: 10px;
		right: 10px;
		padding: 4px 10px;
		font-size: 0.75rem;
	}
}

@media (max-width: 360px) {
	.hero-title {
		font-size: 1.5rem;
	}

	.hero-subtitle {
		font-size: 0.95rem;
	}

	.section-title {
		font-size: 1.4rem;
	}

	.comparison-title,
	.advantages-title {
		font-size: 1.2rem;
	}

	.engine-name,
	.case-name,
	.advantage-title {
		font-size: 1.2rem;
	}

	.engine-card,
	.advantage-card,
	.case-card {
		padding: 15px 10px;
	}
}