body { font-family: "微软雅黑", Arial, sans-serif; background: #f7f7f7; margin: 0; }
header { background: #222; color: #fff; padding: 20px; }
.logo { height: 40px; vertical-align: middle; }
nav a { color: #fff; margin: 0 10px; text-decoration: none; }
main { max-width: 800px; margin: 30px auto; background: #fff; padding: 20px; border-radius: 8px; }
.post-list article { border-bottom: 1px solid #eee; padding: 10px 0; }
footer { text-align: center; color: #888; padding: 20px 0; }