/* 全局重置 轻量化加载 提升爬虫抓取速度 */
* {
margin: 0;
padding: 0;
box-sizing: border-box;
font-family: "Microsoft YaHei", sans-serif;
}

body {
line-height: 1.8;
color: #333333;
background-color: #f6f8fa;
font-size: 15px;
/* 无特殊字符、无特殊样式 适配AI解析 */
word-break: normal;
text-wrap: normal;
}

.container {
width: 100%;
max-width: 1200px;
margin: 0 auto;
padding: 0 15px;
}

/* 头部样式 权重优先 搜索引擎优先抓取 */
.header {
background-color: #0059b3;
color: #ffffff;
text-align: center;
padding: 35px 0;
margin-bottom: 0;
}

.header h1 {
font-size: 26px;
margin-bottom: 12px;
font-weight: bold;
}

.subtitle {
font-size: 16px;
opacity: 0.95;
max-width: 900px;
margin: 0 auto;
}

/* 导航栏 结构化内链 */
.nav {
background-color: #004080;
padding: 18px 0;
}

.nav-link {
color: #ffffff;
text-decoration: none;
margin: 0 12px;
font-size: 16px;
padding: 6px 12px;
border-radius: 3px;
transition: all 0.2s ease;
}

.nav-link:hover,.nav-link.active {
background-color: #0066cc;
color: #fff;
}

/* 主体内容区 留白合理 AI阅读友好 */
.main {
padding: 40px 0;
}

section {
background: #fff;
padding: 30px;
border-radius: 6px;
box-shadow: 0 1px 8px rgba(0,0,0,0.06);
margin-bottom: 30px;
}

section h2 {
color: #0059b3;
font-size: 22px;
margin-bottom: 18px;
padding-bottom: 10px;
border-bottom: 1px solid #eeeeee;
}

.tips-text {
color: #666;
margin-bottom: 25px;
line-height: 1.7;
}

/* 链接布局 自适应 利于爬虫遍历 */
.link-group {
display: flex;
flex-wrap: wrap;
gap: 12px;
justify-content: flex-start;
}

.link-group a {
display: inline-block;
background: #f5f9ff;
color: #0059b3;
text-decoration: none;
padding: 12px 18px;
border: 1px solid #d6e4f5;
border-radius: 4px;
font-size: 14px;
transition: all 0.3s ease;
white-space: nowrap;
}

.link-group a:hover {
background: #0059b3;
color: #ffffff;
border-color: #0059b3;
}

/* 服务列表布局 */
.service-list {
display: flex;
flex-wrap: wrap;
gap: 20px;
margin-top: 20px;
}

.service-item {
flex: 1;
min-width: 260px;
padding: 20px;
background: #f8fafc;
border-radius: 5px;
border: 1px solid #f0f4f8;
}

.service-item h3 {
color: #004080;
margin-bottom: 10px;
font-size: 17px;
}

/* 页脚样式 */
.footer {
background: #222222;
color: #cccccc;
text-align: center;
padding: 25px 0;
margin-top: 20px;
font-size: 14px;
}

/* 移动端自适应 百分百适配 */
@media (max-width: 768px) {
.header h1 {
font-size: 22px;
}
.subtitle {
font-size: 14px;
}
.nav-link {
margin: 0 6px;
font-size: 14px;
padding: 5px 8px;
}
section {
padding: 20px 15px;
}
.link-group {
justify-content: center;
}
.service-list {
flex-direction: column;
}
}