* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; line-height: 1.6; color: #333; background: #f8f9fa; }
header { background: #fff; box-shadow: 0 2px 4px rgba(0,0,0,0.1); position: sticky; top: 0; z-index: 100; }
nav { max-width: 800px; margin: 0 auto; padding: 1rem; display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.5rem; font-weight: bold; text-decoration: none; color: #333; }
.nav-links a { margin-left: 1.5rem; text-decoration: none; color: #666; }
.nav-links a:hover { color: #333; }
main { max-width: 800px; margin: 2rem auto; padding: 0 1rem; }
.hero { text-align: center; padding: 3rem 1rem; background: #fff; border-radius: 8px; margin-bottom: 2rem; }
.hero h1 { font-size: 2.5rem; margin-bottom: 1rem; }
.posts h2 { margin-bottom: 1rem; }
.post-card { background: #fff; padding: 1.5rem; border-radius: 8px; margin-bottom: 1rem; box-shadow: 0 1px 3px rgba(0,0,0,0.1); }
.post-card h3 { margin-bottom: 0.5rem; }
.post-card h3 a { text-decoration: none; color: #333; }
.post-card h3 a:hover { color: #007bff; }
.post-card time { color: #999; font-size: 0.9rem; }
footer { text-align: center; padding: 2rem; color: #999; margin-top: 3rem; }