:root {
  --max-width: 1200px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue',
    Arial, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  line-height: 1.6;
  color: #1f2328;
  background: #fafbfc;
}

* { box-sizing: border-box; }

html, body, #app {
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
a:hover { color: #2080f0; }

img { max-width: 100%; }

.n-card.article-card {
  margin-bottom: 16px;
  transition: box-shadow 0.15s;
}
.n-card.article-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}