* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "Microsoft YaHei", "PingFang SC", sans-serif; font-size: 14px; color: #333; background: #f5f5f5; line-height: 1.6; }
a { color: #1976d2; text-decoration: none; }
a:hover { color: #1565c0; text-decoration: underline; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 15px; }

/* Header */
.header { background: #fff; border-bottom: 2px solid #1976d2; box-shadow: 0 1px 3px rgba(0,0,0,.1); }
.header .container { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.logo a { font-size: 22px; font-weight: bold; color: #1976d2; }
.nav { display: flex; gap: 5px; }
.nav a { padding: 8px 14px; border-radius: 4px; color: #555; font-size: 14px; }
.nav a:hover, .nav a.active { background: #1976d2; color: #fff; text-decoration: none; }

/* Main */
.main { background: #fff; padding: 20px; margin: 15px 0; border-radius: 6px; box-shadow: 0 1px 3px rgba(0,0,0,.05); }
.breadcrumb { padding: 10px 0; font-size: 13px; color: #999; }
.breadcrumb a { color: #666; }
.breadcrumb span { margin: 0 5px; color: #ccc; }
h1 { font-size: 24px; margin-bottom: 15px; color: #222; }
h2 { font-size: 18px; margin: 20px 0 12px; padding-left: 10px; border-left: 3px solid #1976d2; color: #222; }
h3 { font-size: 16px; margin: 15px 0 10px; color: #333; }
p { margin-bottom: 10px; }

/* Tables */
table { width: 100%; border-collapse: collapse; margin: 10px 0; }
th, td { padding: 10px 12px; text-align: left; border: 1px solid #e0e0e0; }
th { background: #f5f9ff; font-weight: 600; color: #333; }
tr:nth-child(even) { background: #fafafa; }
tr:hover { background: #f0f7ff; }

/* Lists */
.link-list { list-style: none; padding: 0; }
.link-list li { padding: 8px 0; border-bottom: 1px dashed #eee; }
.link-list li:last-child { border-bottom: none; }
.link-list li a { display: block; }

/* Grid */
.grid { display: grid; gap: 15px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }
.grid-6 { grid-template-columns: repeat(6, 1fr); }

.card { background: #fff; border: 1px solid #e0e0e0; border-radius: 6px; padding: 15px; transition: all .2s; }
.card:hover { border-color: #1976d2; box-shadow: 0 2px 8px rgba(25,118,210,.15); }
.card h3 { margin-top: 0; }

/* Info box */
.info-box { background: #f5f9ff; padding: 15px; border-radius: 6px; margin: 15px 0; border-left: 3px solid #1976d2; }
.info-box p { margin: 5px 0; }

/* Pagination */
.pagination { display: flex; gap: 6px; justify-content: center; margin: 20px 0; flex-wrap: wrap; }
.pagination a, .pagination span { padding: 6px 12px; border: 1px solid #e0e0e0; border-radius: 4px; text-decoration: none; color: #555; font-size: 13px; }
.pagination .current { background: #1976d2; color: #fff; border-color: #1976d2; }
.pagination a:hover { border-color: #1976d2; color: #1976d2; }

/* Footer */
.footer { background: #333; color: #999; padding: 30px 0; margin-top: 30px; text-align: center; font-size: 13px; }
.footer p { margin-bottom: 8px; }

/* Tags */
.tag { display: inline-block; padding: 3px 8px; background: #e3f2fd; color: #1976d2; border-radius: 3px; font-size: 12px; margin: 2px; }

/* Responsive */
@media (max-width: 768px) {
    .nav { flex-wrap: wrap; gap: 2px; }
    .nav a { padding: 6px 10px; font-size: 13px; }
    .grid-3, .grid-4, .grid-5, .grid-6 { grid-template-columns: repeat(2, 1fr); }
    h1 { font-size: 20px; }
    table { font-size: 12px; }
    th, td { padding: 6px 8px; }
}