* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: #0a0a0a; color: #d0d0d0; min-height: 100vh;
    display: flex; flex-direction: column;
}
.container { max-width: 720px; margin: 0 auto; padding: 0 24px; flex: 1; }

/* 首页头部 */
header { padding: 60px 0 20px; border-bottom: 1px solid #1a1a1a; margin-bottom: 32px; }
header h1 { font-size: 2rem; font-weight: 700; color: #fff; letter-spacing: -0.02em; }
header h1 span { color: #4a9eff; }
.subtitle { margin-top: 8px; font-size: 0.95rem; color: #666; }

/* 文章列表 */
.post-list { list-style: none; }
.post-item { border-bottom: 1px solid #151515; }
.post-item a { display: block; padding: 24px 0; text-decoration: none; transition: background 0.15s; }
.post-item a:hover { background: #0d0d0d; margin: 0 -16px; padding: 24px 16px; border-radius: 8px; }
.post-title { font-size: 1.15rem; font-weight: 600; color: #e8e8e8; margin-bottom: 8px; }
.post-item a:hover .post-title { color: #4a9eff; }
.post-meta { font-size: 0.82rem; color: #555; margin-bottom: 8px; }
.post-summary { font-size: 0.9rem; color: #777; line-height: 1.6; }

/* 标签(首页与文章页共用) */
.tag { display: inline-block; background: #1a1a2e; color: #4a9eff; padding: 2px 8px; border-radius: 4px; font-size: 0.75rem; margin-right: 6px; }

/* 文章页 */
.back { display: inline-block; color: #4a9eff; text-decoration: none; padding: 40px 0 20px; font-size: 0.9rem; }
.back:hover { text-decoration: underline; }
h1 { font-size: 1.8rem; font-weight: 700; color: #fff; line-height: 1.3; margin-bottom: 12px; }
.meta { font-size: 0.85rem; color: #555; margin-bottom: 32px; }
article { line-height: 1.8; font-size: 0.95rem; }
article h2 { color: #e0e0e0; font-size: 1.25rem; margin: 32px 0 16px; }
article h3 { color: #ccc; font-size: 1.05rem; margin: 24px 0 12px; }
article p { margin-bottom: 16px; color: #b0b0b0; }
article code { background: #161622; color: #4a9eff; padding: 2px 6px; border-radius: 4px; font-size: 0.88rem; }
article pre { background: #111; border: 1px solid #222; border-radius: 8px; padding: 16px; overflow-x: auto; margin-bottom: 20px; }
article pre code { background: none; padding: 0; color: #c8d6e5; }
article ul, article ol { margin: 0 0 16px 24px; color: #b0b0b0; }
article li { margin-bottom: 6px; }
article strong { color: #d0d0d0; }

/* 表格 */
article table { border-collapse: collapse; width: 100%; margin-bottom: 20px; font-size: 0.9rem; display: block; overflow-x: auto; }
article th, article td { border: 1px solid #2a2a2a; padding: 8px 12px; text-align: left; }
article th { background: #161622; color: #e8e8e8; font-weight: 600; white-space: nowrap; }
article td { color: #b0b0b0; }
article tbody tr:nth-child(even) td { background: #0d0d0d; }

/* 页脚(共用) */
footer { text-align: center; padding: 40px 0; color: #444; font-size: 0.85rem; border-top: 1px solid #1a1a1a; margin-top: 40px; }
footer a { color: #555; text-decoration: none; }
footer a:hover { color: #4a9eff; }

@media (max-width: 600px) { h1 { font-size: 1.4rem; } }