/* 基础样式重置与通用设置 */
* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	font-family: "Microsoft YaHei", sans-serif;
}
body {
	color: #333;
	background-color: #ffffff;
	line-height: 1.6;
}
.container {
	width: 1200px;
	margin: 0 auto;
	padding: 0 20px;
}

/* 浮动导航条样式 - 白色背景 */
.floating-nav {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	background-color: #ffffff;
	box-shadow: 0 2px 10px rgba(0,0,0,0.1);
	z-index: 1000;
	padding: 15px 0;
}
.nav-content {
	display: flex;
	justify-content: space-between;
	align-items: center;
}
.nav-logo {
	font-size: 20px;
	font-weight: bold;
	color: #2c3e50;
	text-decoration: none;
}
.nav-links {
	display: flex;
	gap: 30px;
}
.nav-link {
	color: #557292;
	text-decoration: none;
	font-size: 16px;
	transition: color 0.3s;
}
.nav-link:hover, .nav-link.active {
	color: #4a90e2;
}

/* 横幅样式 - 浅蓝色背景 图文组合 */
.banner {
	padding: 160px 0 120px;
	color: #333;
	position: relative;
	background-color: #e6f0ff;
}
.banner-container {
	display: flex;
	align-items: center;
	gap: 40px;
}
.banner-content {
	flex: 1;
	z-index: 2;
}
.banner-content p{
	padding:10px 0 20px 0;
}
.banner-image {
	flex: 1.2;
	z-index: 2;
}
.banner-image img {
	width: 100%;
	height: auto;
	border-radius: 10px;
	box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}
.banner h1 {
	font-size: 48px;
	margin-bottom: 20px;
	line-height: 1.3;
	font-weight:bold;
	color: #2c3e50;
}
.banner-subtitle {
	font-size: 24px;
	max-width: 600px;
	color: #557292;
	font-weight: 500;
}
.tech-name {
	font-weight: bold;
	padding: 0 8px;
}
.tech-sdwan { color: #4a90e2; }
.tech-mpls { color: #00b42a; }
.tech-sdh { color: #f53f3f; }
.banner-btns {
	display: flex;
	gap: 20px;
}
.btn-primary {
	background-color: #4a90e2;
	color: #fff;
	padding: 15px 40px;
	border-radius: 30px;
	text-decoration: none;
	font-size: 18px;
	font-weight: bold;
	transition: all 0.3s;
	border: none;
	cursor: pointer;
}
.btn-primary:hover {
	background-color: #3a80d2;
	transform: translateY(-3px);
}
.btn-secondary {
	background-color: transparent;
	color: #4a90e2;
	padding: 15px 40px;
	border-radius: 30px;
	text-decoration: none;
	font-size: 18px;
	font-weight: bold;
	transition: all 0.3s;
	border: 2px solid #4a90e2;
	cursor: pointer;
}
.btn-secondary:hover {
	background-color: rgba(74, 144, 226, 0.1);
	transform: translateY(-3px);
}

/* 传输系统对比板块 */
.transmission-comparison {
	padding: 80px 0;
	background-color: #f9f9f9;
}
.comparison-content {
	background-color: #ffffff;
	border-radius: 10px;
	overflow: hidden;
	box-shadow: 0 5px 15px rgba(0,0,0,0.03);
	border: 1px solid #d1e0f7;
	margin-top: 40px;
}
.comparison-table {
	width: 100%;
	border-collapse: collapse;
}
.comparison-table th, .comparison-table td {
	padding: 25px;
	text-align: left;
	border-bottom: 1px solid #d1e0f7;
	font-size: 16px;
}
.comparison-table th {
	background-color: #e6f0ff;
	color: #2c3e50;
	font-weight: bold;
	width: 25%;
}
.comparison-table tr:last-child td, .comparison-table tr:last-child th {
	border-bottom: none;
}
.comparison-table td {
	color: #557292;
}
.comparison-table .dimension {
	font-weight: bold;
	color: #2c3e50;
}
.feature-tag {
	display: inline-block;
	padding: 3px 10px;
	border-radius: 12px;
	font-size: 12px;
	margin-right: 5px;
	margin-bottom: 5px;
}
.feature-tag.high {
	background-color: #e6f7ed;
	color: #00b42a;
}
.feature-tag.medium {
	background-color: #fff7e6;
	color: #ff7d00;
}
.feature-tag.low {
	background-color: #f0f2f5;
	color: #86909c;
}

/* 通用区块标题样式 */
.section-title {
	text-align: center;
	margin-bottom: 60px;
	padding-top: 20px;
}
.section-title h2 {
	font-size: 36px;
	color: #2c3e50;
	margin-bottom: 15px;
	position: relative;
	display: inline-block;
}
.section-title h2::after {
	content: "";
	position: absolute;
	bottom: -10px;
	left: 50%;
	transform: translateX(-50%);
	width: 80px;
	height: 4px;
	background-color: #4a90e2;
}
.section-title p {
	font-size: 18px;
	color: #557292;
	max-width: 900px;
	margin: 0 auto;
}

/* 核心优势样式 - 白色背景 */
.core-advantages {
	padding: 80px 0;
	background-color: #ffffff;
}
.advantages-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 30px;
	margin-top: 40px;
}
.advantage-card {
	background-color: #f0f7ff;
	padding: 30px;
	border-radius: 10px;
	text-align: center;
	box-shadow: 0 5px 15px rgba(0,0,0,0.03);
	transition: transform 0.3s;
	border: 1px solid #d1e0f7;
}
.advantage-card:hover {
	transform: translateY(-10px);
	box-shadow: 0 8px 25px rgba(0,0,0,0.05);
}
.advantage-icon {
	width: 80px;
	height: 80px;
	background-color: #e6f0ff;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	margin: 0 auto 20px;
	color: #4a90e2;
	font-size: 30px;
}
.advantage-card h3 {
	font-size: 20px;
	color: #2c3e50;
	margin-bottom: 15px;
}
.advantage-card p {
	font-size: 14px;
	color: #557292;
	line-height: 1.6;
}

/* 传输组网方案的场景化应用 - 融合板块样式 */
.networking-scenarios {
	padding: 80px 0;
	background-color: #f0f7ff;
}
.section-subtitle {
	font-size: 24px;
	color: #2c3e50;
	margin-bottom: 30px;
	padding-bottom: 10px;
	border-bottom: 2px solid #4a90e2;
	display: inline-block;
}

/* 传输组网方案的场景化应用 - 4个整合板块样式 */
.scenarios-solutions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 20px;
}
.integrated-card {
    display: flex;
    gap: 20px;
    align-items: center;
    background-color: #ffffff;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.02);
    border: 1px solid #d1e0f7;
}
.integrated-img {
    flex: 0 0 150px;
    height: 150px;
    border-radius: 8px;
    overflow: hidden;
    background-color: #f0f7ff;
    display: flex;
    align-items: center;
    justify-content: center;
}
.integrated-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.integrated-content h3 {
    font-size: 20px;
    color: #2c3e50;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.integrated-content h3 i {
    color: #4a90e2;
}
.integrated-content p {
    font-size: 14px;
    color: #557292;
    margin-bottom: 12px;
    line-height: 1.5;
}
.integrated-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.solution-feature {
	font-size: 13px;
	color: #4a90e2;
	background-color: #e6f0ff;
	padding: 5px 12px;
	border-radius: 15px;
}

/* 汇鑫科服平台化支撑服务 - 整合为tab切换 */
.platform-services {
	padding: 80px 0;
	background-color: #ffffff;
}

/* Tab切换样式 */
.tab-nav {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}
.tab-btn {
    background-color: #f0f7ff;
    color: #2c3e50;
    border: 1px solid #d1e0f7;
    border-radius: 30px;
    padding: 12px 30px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}
.tab-btn.active {
    background-color: #4a90e2;
    color: #ffffff;
    border-color: #4a90e2;
}
.tab-btn:hover:not(.active) {
    background-color: #e6f0ff;
}
.tab-content-wrap {
    background-color: #f9f9f9;
    border-radius: 10px;
    padding: 30px;
    border: 1px solid #d1e0f7;
}
.tab-panel {
    display: none;
}
.tab-panel.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

/* 服务优势部分 */
.service-advantages-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 30px;
}
.service-advantage-item {
	display: flex;
	gap: 20px;
	padding: 25px;
	background-color: #ffffff;
	border-radius: 10px;
	box-shadow: 0 3px 10px rgba(0,0,0,0.02);
	border: 1px solid #d1e0f7;
}
.service-advantage-icon {
	width: 50px;
	height: 50px;
	background-color: #e6f0ff;
	border-radius: 8px;
	display: flex;
	align-items: center;
	justify-content: center;
	color: #4a90e2;
	font-size: 20px;
	flex-shrink: 0;
}
.service-advantage-content h3 {
	font-size: 18px;
	color: #2c3e50;
	margin-bottom: 10px;
}
.service-advantage-content p {
	font-size: 14px;
	color: #557292;
}

/* 核心服务模块 */
.modules-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 30px;
}
.module-card {
	background-color: #ffffff;
	border-radius: 10px;
	padding: 30px;
	transition: all 0.3s;
	border: 1px solid #d1e0f7;
}
.module-card:hover {
	background-color: #e6f0ff;
	transform: translateY(-5px);
}
.module-card h3 {
	font-size: 20px;
	color: #2c3e50;
	margin-bottom: 15px;
	display: flex;
	align-items: center;
	gap: 10px;
}
.module-card h3 span {
	width: 30px;
	height: 30px;
	background-color: #4a90e2;
	color: #fff;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 14px;
}
.module-card p {
	font-size: 14px;
	color: #557292;
	line-height: 1.6;
}

/* 售后服务样式 */
.after-sales-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 20px;
}
.after-sales-item {
	background-color: #ffffff;
	padding: 20px;
	border-radius: 8px;
	text-align: center;
	color: #2c3e50;
	font-size: 16px;
	border: 1px solid #d1e0f7;
	transition: all 0.3s;
}
.after-sales-item:hover {
	background-color: #e6f0ff;
	transform: translateY(-3px);
}

/* 联系我们样式 - 白色背景 */
.contact-us {
	padding: 40px 0;
	background-color: #ffffff;
}
.contact-content {
	display: flex;
	gap: 40px;
}
.contact-form {
	flex: 1;
	background-color: #f0f7ff;
	padding: 40px;
	border-radius: 10px;
	box-shadow: 0 5px 15px rgba(0,0,0,0.03);
	border: 1px solid #d1e0f7;
}
.form-group {
	margin-bottom: 20px;
}
.form-group label {
	display: block;
	margin-bottom: 8px;
	font-size: 14px;
	color: #333;
	font-weight: 500;
}
.form-control {
	width: 100%;
	padding: 12px 15px;
	border: 1px solid #d1e0f7;
	border-radius: 5px;
	font-size: 16px;
	transition: border-color 0.3s;
	background-color: #fff;
}
.form-control:focus {
	outline: none;
	border-color: #4a90e2;
}
.form-text{
	width: 100%;
	padding: 12px 15px;
	border: 1px solid #d1e0f7;
	border-radius: 5px;
	font-size: 16px;
	transition: border-color 0.3s;
	background-color: #fff;
}
.checkbox-group {
	display: flex;
	flex-wrap: wrap;
	gap: 15px;
	margin-top: 8px;
}
.checkbox-item {
	display: flex;
	align-items: center;
	gap: 5px;
}
.contact-info-section {
	flex: 1;
}
.contact-info-item {
	background-color: #f0f7ff;
	padding: 25px;
	border-radius: 10px;
	margin-bottom: 20px;
	box-shadow: 0 5px 15px rgba(0,0,0,0.03);
	border: 1px solid #d1e0f7;
}
.contact-info-item:nth-child(3){
	margin-bottom:0px;
}
.wechat-qrcode {
	text-align: center;
}
.wechat-qrcode img {
	width: 180px;
	height: 180px;
	display: block;
	border: 1px solid #d1e0f7;
	padding: 10px;
	margin-bottom: 20px;
}
.contact-info-item h3 {
	font-size: 20px;
	color: #2c3e50;
	margin-bottom: 15px;
	display: flex;
	align-items: center;
	gap: 10px;
}
.contact-info-item h3 i {
	color: #4a90e2;
	font-size: 24px;
}
.contact-info-item p {
	font-size: 16px;
	color: #557292;
	margin-bottom: 10px;
	display: flex;
	align-items: center;
	gap: 10px;
}
.contact-info-item p i {
	color: #4a90e2;
	width: 20px;
	text-align: center;
}

/* 响应式样式 */
@media (max-width: 1200px) {
	.container {
		width: 100%;
	}
	.advantages-grid {
		grid-template-columns: repeat(2, 1fr);
	}
	.modules-grid {
		grid-template-columns: repeat(2, 1fr);
	}
}
@media (max-width: 992px) {
	.contact-content {
		flex-direction: column;
	}
	.scenarios-solutions-grid {
		grid-template-columns: 1fr;
	}
	.service-advantages-grid {
		grid-template-columns: 1fr;
	}
	.nav-links {
		display: none;
	}
	.banner-container {
		flex-direction: column;
		text-align: center;
	}
	.banner-btns {
		justify-content: center;
	}
	.banner p {
		margin-left: auto;
		margin-right: auto;
	}
	.comparison-table th, .comparison-table td {
		padding: 15px;
	}
	.after-sales-grid {
		grid-template-columns: repeat(2, 1fr);
	}
}
@media (max-width: 768px) {
	.banner h1 {
		font-size: 36px;
	}
	.banner-subtitle {
		font-size: 18px;
	}
	.banner-btns {
		flex-direction: column;
		gap: 15px;
	}
	.advantages-grid, .modules-grid {
		grid-template-columns: 1fr;
	}
	.integrated-card {
		flex-direction: column;
		text-align: center;
	}
	.integrated-features {
		justify-content: center;
	}
	.comparison-table {
		font-size: 14px;
	}
	.comparison-table th, .comparison-table td {
		padding: 10px 8px;
	}
	.after-sales-grid {
		grid-template-columns: 1fr;
	}
	.section-subtitle {
		font-size: 20px;
	}
	.tab-nav {
		flex-wrap: wrap;
	}
	.tab-btn {
		padding: 10px 20px;
		font-size: 14px;
	}
}
@media (max-width: 576px) {
	.comparison-table {
		display: block;
		overflow-x: auto;
	}
	.section-title h2 {
		font-size: 28px;
	}
	.section-title p {
		font-size: 16px;
	}
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}