/* 全域設定 */
body {
    font-family: "Microsoft JhengHei", Arial, sans-serif;
    line-height: 1.6;
    background-color: #f7f9fc;
    margin: 0;
    padding: 20px;
    color: #333;
}

/* 主要標題 */
h1 {
    text-align: center;
    color: #2c3e50;
}

/* 各區塊容器 */
div {
    background: #ffffff;
    border-radius: 12px;
    padding: 20px;
    margin: 20px auto;
    max-width: 900px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

/* 滑鼠移到卡片上的效果 */
div:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.12);
}

/* 標題樣式 */
h2 {
    color: #34495e;
    border-left: 6px solid #3498db;
    padding-left: 10px;
    margin-top: 0;
}

h3 {
    color: #555;
    margin-top: 15px;
}

/* 連結樣式 */
a {
    color: #2980b9;
    text-decoration: none;
    font-weight: 500;
}

a:hover {
    text-decoration: underline;
    color: #1a5276;
}

/* 清單美化 */
ul {
    padding-left: 20px;
}

li {
    margin: 6px 0;
}

/* 強調文字 */
b {
    color: #2c3e50;
}