* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	font-family: 'Segoe UI', 'Microsoft YaHei', 'PingFang SC', sans-serif;
}
:root {
 --main-primary: #0F4C81;
 --main-secondary: #2A76BE;
 --accent: #00B4D8;
 --dark-text: #111827;
 --gray-text: #4B5563;
 --light-gray: #9CA3AF;
 --bg-light: #F8FAFC;
 --bg-gradient-1: linear-gradient(135deg, #0F4C81 0%, #2A76BE 100%);
 --shadow-base: 0 4px 20px rgba(15, 76, 129, 0.12);
 --shadow-hover: 0 8px 30px rgba(15, 76, 129, 0.2);
 --border-radius: 12px;
}
body {
	color: var(--dark-text);
	background-color: #fff;
	line-height: 1.8;
}
/* 全局80%宽屏 */
        .container {
	width: 80%;
	
	margin: 0 auto;
}
/* 头部区域 */
        .header-wrap {
	padding: 24px 0;
	border-bottom: 1px solid #E2E8F0;
}
.header-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
}
.logo {
	display: inline-block;
	text-decoration: none;
}
.logo-img {
    max-width: 500px;
    max-height: 89px;
    display: block;
}
.tel-info {
	font-size: 28px;
	font-weight: bold;
	color: var(--main-primary);
}
/* 首屏横幅 左右布局 */
        .banner {
	background: var(--bg-gradient-1);
	color: #ffffff;
	padding: 80px 0;
	position: relative;
	overflow: hidden;
}
.banner-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 40px;
}
.banner-content {
	flex: 1;
	display: flex;
	flex-direction: column;
	gap: 32px;
}
.banner-icon-wrap {
	text-align: center;
	flex-shrink: 0;
}
.geo-icon {
	width: 140px;
	height: 140px;
	fill: #fff;
}
.banner-sub-text {
	font-size: 20px;
	margin-top: 12px;
	font-weight: 500;
}
.banner-title {
	font-size: 48px;
	font-weight: 700;
	line-height: 1.2;
}
.banner-subtitle {
	font-size: 22px;
	font-weight: 400;
	opacity: 0.92;
	max-width: 900px;
}
.banner-desc {
	font-size: 18px;
	opacity: 0.85;
	max-width: 850px;
	line-height: 2;
}
.tag-group {
	display: flex;
	flex-wrap: wrap;
	gap: 16px;
	margin-top: 10px;
}
.tag-item {
	padding: 8px 20px;
	border: 1px solid rgba(255, 255, 255, 0.4);
	border-radius: 30px;
	font-size: 15px;
	background: rgba(255, 255, 255, 0.1);
}
/* 通用板块样式 */
        .section {
	padding: 80px 0;
}
.section-bg-gray {
	background-color: var(--bg-light);
}
.section-head {
	text-align: center;
	margin-bottom: 60px;
}
.section-head h2 {
	font-size: 36px;
	color: var(--main-primary);
	margin-bottom: 16px;
	position: relative;
	padding-bottom: 16px;
}
 .section-head h2::after {
 content: "";
 width: 80px;
 height: 3px;
 background: var(--accent);
 position: absolute;
 left: 50%;
 transform: translateX(-50%);
 bottom: 0;
}
.section-head p {
	font-size: 17px;
	color: var(--gray-text);
	max-width: 780px;
	margin: 0 auto;
}
/* GEO介绍板块 */
        .intro-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 40px;
	align-items: center;
}
.intro-text h3 {
	font-size: 26px;
	color: var(--main-primary);
	margin-bottom: 20px;
	display: flex;
	align-items: center;
	gap: 10px;
}
.intro-text h3 svg {
	width: 26px;
	height: 26px;
	fill: var(--accent);
}
.intro-text p {
	font-size: 16px;
	color: var(--gray-text);
	margin-bottom: 18px;
}
/* 核心优势板块 */
        .advantage-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 30px;
}
.advantage-card {
	background: #fff;
	padding: 40px 30px;
	border-radius: var(--border-radius);
	box-shadow: var(--shadow-base);
	transition: all 0.3s ease;
}
.advantage-card:hover {
	transform: translateY(-6px);
	box-shadow: var(--shadow-hover);
}
.advantage-card h4 {
	font-size: 22px;
	color: var(--main-primary);
	margin: 20px 0 14px;
}
.advantage-card p {
	color: var(--gray-text);
	font-size: 15px;
}
.icon-box {
	width: 60px;
	height: 60px;
	background: linear-gradient(135deg, var(--main-secondary), var(--accent));
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
}
.icon-box svg {
	width: 28px;
	height: 28px;
	fill: #fff;
}
/* 服务内容板块 */
        .service-list {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 24px;
}
.service-item {
	background: #fff;
	padding: 30px;
	border-left: 5px solid var(--accent);
	border-radius: 0 var(--border-radius) var(--border-radius) 0;
	box-shadow: var(--shadow-base);
	display: flex;
	gap: 20px;
	align-items: flex-start;
}
.service-icon {
	width: 48px;
	height: 48px;
	flex-shrink: 0;
}
.service-icon svg {
	width: 100%;
	height: 100%;
	fill: var(--accent);
}
.service-content h4 {
	font-size: 20px;
	color: var(--main-primary);
	margin-bottom: 12px;
}
.service-content p {
	color: var(--gray-text);
	font-size: 15px;
}
/* 适配模型板块 */
        .model-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 24px;
}
.model-card {
	background: #fff;
	padding: 26px 20px;
	text-align: center;
	border-radius: var(--border-radius);
	box-shadow: var(--shadow-base);
}
.model-icon {
	width: 44px;
	height: 44px;
	margin: 0 auto 10px;
}
.model-icon svg {
	width: 100%;
	height: 100%;
	fill: var(--main-secondary);
}
.model-card h4 {
	font-size: 18px;
	color: var(--main-primary);
	margin-bottom: 8px;
}
.model-card p {
	font-size: 14px;
	color: var(--light-gray);
}
/* 合作模式板块 */
        .mode-wrap {
	max-width: 900px;
	margin: 0 auto;
}
.mode-item {
	background: #fff;
	padding: 36px;
	border-radius: var(--border-radius);
	box-shadow: var(--shadow-base);
	margin-bottom: 24px;
	display: flex;
	gap: 20px;
	align-items: flex-start;
}
.mode-icon {
	width: 50px;
	height: 50px;
	flex-shrink: 0;
	background: var(--bg-light);
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
}
.mode-icon svg {
	width: 26px;
	height: 26px;
	fill: var(--main-primary);
}
.mode-content h4 {
	font-size: 22px;
	color: var(--main-primary);
	margin-bottom: 16px;
}
.mode-content p {
	color: var(--gray-text);
	font-size: 16px;
}
.mode-item:last-child {
	margin-bottom: 0;
}
/* 实战经验板块 */
        .case-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 30px;
}
.case-card {
	background: #fff;
	border-radius: var(--border-radius);
	overflow: hidden;
	box-shadow: var(--shadow-base);
}
.case-card .case-body {
	padding: 28px;
}
.case-icon {
	width: 40px;
	height: 40px;
	margin-bottom: 12px;
}
.case-icon svg {
	width: 100%;
	height: 100%;
	fill: var(--accent);
}
.case-card h4 {
	font-size: 20px;
	color: var(--main-primary);
	margin-bottom: 12px;
}
.case-card p {
	color: var(--gray-text);
	font-size: 15px;
}
/* 底部信息 */
        .footer {
	background: var(--main-primary);
	color: #fff;
	padding: 50px 0 30px;
}
.footer-content {
	display: flex;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: 40px;
	margin-bottom: 40px;
}
.footer-col {
	flex: 1;
	min-width: 260px;
}
.footer-col h4 {
	font-size: 20px;
	margin-bottom: 20px;
	padding-bottom: 10px;
	border-bottom: 1px solid rgba(255, 255, 255, 0.2);
	display: flex;
	align-items: center;
	gap: 8px;
}
.footer-col h4 svg {
	width: 20px;
	height: 20px;
	fill: #fff;
}
.footer-col p {
	font-size: 15px;
	opacity: 0.85;
	margin-bottom: 12px;
}
.copyright {
	text-align: center;
	padding-top: 20px;
	border-top: 1px solid rgba(255, 255, 255, 0.2);
	font-size: 14px;
	opacity: 0.75;
}

        /* 响应式适配 */
        @media (max-width: 1200px) {
 .container {
 width: 90%;
}
}
 @media (max-width: 992px) {
 .banner-inner {
 flex-direction: column;
 text-align: center;
}
 .tel-info {
 font-size: 22px;
}
 .banner-title {
 font-size: 36px;
}
 .intro-grid, .service-list {
 grid-template-columns: 1fr;
}
 .advantage-grid, .case-grid {
 grid-template-columns: repeat(2, 1fr);
}
 .model-grid {
 grid-template-columns: repeat(2, 1fr);
}
 .section {
 padding: 60px 0;
}
}
 @media (max-width: 768px) {
 .header-inner {
 flex-direction: column;
 gap: 15px;
}
 .banner-title {
 font-size: 28px;
}
 .banner-subtitle {
 font-size: 18px;
}
 .section-head h2 {
 font-size: 28px;
}
 .advantage-grid, .case-grid, .model-grid {
 grid-template-columns: 1fr;
}
 .banner {
 padding: 50px 0;
}
}