* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif; font-size: 14px; color: #333; background: #f5f7fa; line-height: 1.7; }
a { color: #333; text-decoration: none; }
a:hover { color: #0066cc; }
ul { list-style: none; }
.container { width: 1200px; margin: 0 auto; }

/* Top bar */
.top-bar { background: #f0f2f5; border-bottom: 1px solid #e4e7ed; font-size: 12px; color: #666; }
.top-inner { display: flex; justify-content: space-between; height: 32px; align-items: center; }
.top-bar .tel { color: #c00; font-weight: bold; }

/* Header */
.header { background: #fff; padding: 20px 0; }
.header-inner { display: flex; justify-content: space-between; align-items: center; }
.logo h1 { font-size: 28px; color: #0066cc; }
.logo h1 a { color: #0066cc; }
.logo p { color: #999; font-size: 13px; margin-top: 4px; }
.header-tel { text-align: right; }
.header-tel span { display: block; color: #999; font-size: 13px; }
.header-tel strong { color: #c00; font-size: 26px; }

/* Nav */
.nav { background: #0066cc; }
.nav ul { display: flex; }
.nav li { flex: 1; text-align: center; }
.nav a { display: block; padding: 14px 0; color: #fff; font-size: 16px; }
.nav a:hover, .nav .current a { background: #0052a3; color: #fff; }

/* Banner */
.banner { background: linear-gradient(135deg, #0066cc, #0099ff); color: #fff; padding: 60px 0; text-align: center; }
.banner h2 { font-size: 36px; margin-bottom: 16px; }
.banner p { font-size: 18px; opacity: 0.9; }

/* Section */
.section { padding: 40px 0; }
.section-title { text-align: center; margin-bottom: 30px; }
.section-title h2 { font-size: 28px; color: #0066cc; display: inline-block; padding-bottom: 10px; border-bottom: 3px solid #0066cc; }
.section-title p { color: #999; margin-top: 8px; }

/* Departments */
.dept-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.dept-card { background: #fff; border-radius: 8px; padding: 30px 20px; text-align: center; box-shadow: 0 2px 12px rgba(0,0,0,0.06); transition: transform .2s, box-shadow .2s; }
.dept-card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,102,204,0.15); }
.dept-card .icon { width: 60px; height: 60px; margin: 0 auto 16px; background: #e6f0ff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 28px; }
.dept-card h3 { font-size: 18px; color: #0066cc; margin-bottom: 10px; }
.dept-card p { color: #666; font-size: 13px; }

/* About strip */
.about-strip { background: #fff; }
.about-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.about-inner .img-placeholder { background: #e6f0ff; height: 280px; border-radius: 8px; display: flex; align-items: center; justify-content: center; color: #0066cc; font-size: 18px; }
.about-text h3 { font-size: 24px; color: #0066cc; margin-bottom: 16px; }
.about-text p { color: #666; margin-bottom: 12px; text-indent: 2em; }
.btn { display: inline-block; padding: 10px 30px; background: #0066cc; color: #fff !important; border-radius: 4px; margin-top: 10px; }
.btn:hover { background: #0052a3; }

/* News list */
.news-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.news-box { background: #fff; border-radius: 8px; padding: 24px; box-shadow: 0 2px 12px rgba(0,0,0,0.06); }
.news-box h3 { font-size: 18px; color: #0066cc; border-left: 4px solid #0066cc; padding-left: 10px; margin-bottom: 16px; }
.news-box li { padding: 10px 0; border-bottom: 1px dashed #e4e7ed; display: flex; justify-content: space-between; }
.news-box li:last-child { border-bottom: none; }
.news-box .date { color: #999; font-size: 12px; }

/* CTA */
.cta { background: #0066cc; color: #fff; text-align: center; padding: 50px 0; }
.cta h2 { font-size: 30px; margin-bottom: 12px; }
.cta p { font-size: 16px; opacity: 0.9; margin-bottom: 20px; }
.cta .btn { background: #fff; color: #0066cc !important; font-size: 16px; padding: 12px 40px; }

/* Breadcrumb */
.breadcrumb { background: #fff; padding: 12px 0; border-bottom: 1px solid #e4e7ed; font-size: 13px; color: #999; }
.breadcrumb a { color: #666; }
.breadcrumb a:hover { color: #0066cc; }

/* Main layout */
.main { padding: 30px 0; }
.main-wrap { display: grid; grid-template-columns: 240px 1fr; gap: 20px; }
.sidebar { background: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 2px 12px rgba(0,0,0,0.06); height: fit-content; }
.sidebar h3 { background: #0066cc; color: #fff; padding: 14px 18px; font-size: 16px; }
.sidebar ul li { border-bottom: 1px solid #f0f2f5; }
.sidebar ul li a { display: block; padding: 12px 18px; }
.sidebar ul li a:hover, .sidebar .active a { background: #e6f0ff; color: #0066cc; }
.sidebar-contact { background: #0066cc; color: #fff; padding: 20px; text-align: center; margin-top: 20px; border-radius: 8px; }
.sidebar-contact .tel { font-size: 22px; font-weight: bold; margin: 10px 0; }

/* Content */
.content { background: #fff; border-radius: 8px; padding: 30px; box-shadow: 0 2px 12px rgba(0,0,0,0.06); }
.content h2 { font-size: 24px; color: #0066cc; margin-bottom: 20px; padding-bottom: 12px; border-bottom: 1px solid #e4e7ed; }
.content h3 { font-size: 18px; color: #333; margin: 20px 0 10px; border-left: 4px solid #0066cc; padding-left: 10px; }
.content p { margin-bottom: 12px; color: #555; text-indent: 2em; }
.content ul { padding-left: 2em; margin-bottom: 12px; }
.content ul li { list-style: disc; color: #555; margin-bottom: 6px; }
.article-list li { padding: 14px 0; border-bottom: 1px dashed #e4e7ed; }
.article-list li a { display: block; }
.article-list .date { color: #999; font-size: 12px; margin-top: 4px; }

/* Footer */
.footer { background: #2c3e50; color: #bbb; padding: 30px 0; text-align: center; font-size: 13px; }
.footer-links { margin-bottom: 16px; }
.footer-links a { color: #bbb; margin: 0 6px; }
.footer-links a:hover { color: #fff; }
.footer-info p { margin-bottom: 6px; }

/* Responsive */
@media (max-width: 1200px) { .container { width: 96%; } }
@media (max-width: 768px) {
    .dept-grid { grid-template-columns: repeat(2, 1fr); }
    .about-inner, .news-wrap, .main-wrap { grid-template-columns: 1fr; }
    .nav ul { flex-wrap: wrap; }
    .nav li { flex: none; width: 25%; }
    .header-inner { flex-direction: column; text-align: center; }
    .header-tel { text-align: center; margin-top: 12px; }
}