/* 全域樣式 */
body {
font-family: "Microsoft JhengHei", sans-serif;
margin: 0;
padding: 0;
line-height: 1.6;
background: #f9f9f9;
color: #333;
}

header, footer {
background: #299;
color: red;
text-align: center;
padding: 1rem;
}
h1, h2 {
margin: 0.5rem 0;
}
main {
max-width: 900px;
margin: auto;
padding: 1rem;
}
.post {
background: white; 
padding: 1rem;
margin-bottom: 1rem;
border-radius: 10px;
box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}
.post h2 a {
text-decoration: none;
color: #007BFF;
}
.post h2 a:hover {
text-decoration: underline;
}
.date {
font-size: 0.9rem;
color: #888;
}
/* RWD */
@media (max-width: 768px) {
body {
font-size: 16px;
}
main {
padding: 0.5rem;
}
.post {
padding: 0.8rem;
}
}