*, *::before, *::after { box-sizing: border-box; }
body {
	margin: 0;
	font-family: -apple-system, Segoe UI, Tahoma, Arial, sans-serif;
	color: #222;
	line-height: 1.5;
	background: #fff;
}
.wrap { max-width: 960px; margin: 0 auto; padding: 0 16px; }

.site-header { background: #0A7298; color: #fff; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; padding-top: 12px; padding-bottom: 12px; }
.site-title { color: #fff; text-decoration: none; font-weight: 700; font-size: 20px; }
.site-nav a { color: #dbeaf2; text-decoration: none; margin-left: 16px; }
.site-nav a:hover { color: #fff; }

/* language switcher (in the footer) */
.site-lang { display: flex; align-items: center; gap: 6px; margin: 0; font-size: 13px; color: #888; }
.site-lang label { display: flex; align-items: center; gap: 6px; }
.site-lang select { padding: 4px 8px; border: 1px solid #ccc; border-radius: 4px; font: inherit; background: #fff; cursor: pointer; }

main.wrap { padding-top: 24px; padding-bottom: 40px; }

.breadcrumb { font-size: 13px; color: #777; margin-bottom: 8px; }
.breadcrumb a { color: #0A7298; text-decoration: none; }

.page h1 { margin: 0 0 16px; }
.topic-image { max-width: 100%; height: auto; border-radius: 6px; margin: 0 0 16px; }
.page-content { font-size: 16px; }

.article-list { margin-top: 32px; border-top: 1px solid #eee; padding-top: 24px; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; }
.card {
	display: flex; flex-direction: column;
	border: 1px solid #e5e5e5; border-radius: 8px; overflow: hidden;
	text-decoration: none; color: inherit; background: #fff;
	transition: box-shadow .15s, transform .15s;
}
.card:hover { box-shadow: 0 6px 20px rgba(0,0,0,.1); transform: translateY(-2px); }
.card-img { width: 100%; height: 150px; object-fit: cover; display: block; background: #eef2f5; }
.card-img--placeholder { background: linear-gradient(135deg, #e8eef2, #d5e2ea); }
.card-body { padding: 12px 14px; display: flex; flex-direction: column; gap: 6px; }
.card-title { font-size: 16px; }
.card-desc { font-size: 13px; color: #666; }

.site-footer { border-top: 1px solid #eee; color: #888; font-size: 13px; margin-top: 40px; }
.site-footer .wrap { padding-top: 16px; padding-bottom: 16px; display: flex; align-items: center; justify-content: flex-start; gap: 14px; flex-wrap: wrap; }
.site-footer p { margin: 0; }

@media (max-width: 600px) {
	.site-nav a { margin: 0 12px 0 0; }
}