/* 基本重設 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft JhengHei", Arial, sans-serif;
}

body {
    background-color: #f4f7f6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* 頁首與導覽列 */
header {
    background-color: #333;
    color: white;
    padding: 1rem;
    text-align: center;
}

nav ul {
    list-style: none;
    margin-top: 10px;
}

nav ul li {
    display: inline;
    margin: 0 15px;
}

nav ul li a {
    color: #ddd;
    text-decoration: none;
}

/* 主要內容區域：水平置中 */
main {
    flex: 1;
    display: flex;
    justify-content: center; /* 水平置中 */
    align-items: center;     /* 垂直置中 */
    padding: 20px;
}

/* 名片卡片設計 */
.card {
    background: white;
    width: 100%;
    max-width: 400px;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    /* 必須：box-shadow 製作陰影效果 */
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

/* 必須：border-radius 製作圓型頭像 */
.profile-img {
    width: 120px;
    height: 120px;
    border-radius: 50%; /* 50% 即可呈現圓形 */
    object-fit: cover;
    border: 3px solid #eee;
    margin-bottom: 15px;
}

.job-title {
    color: #666;
    font-style: italic;
    margin-bottom: 15px;
}

.details {
    text-align: left;
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 20px 0;
}

/* 按鍵樣式 */
.actions {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    background-color: #007bff;
    color: white;
    transition: 0.3s;
}

.btn-outline {
    background-color: transparent;
    border: 1px solid #007bff;
    color: #007bff;
}

.btn:hover {
    opacity: 0.8;
}

/* 頁尾 */
footer {
    background-color: #333;
    color: #aaa;
    text-align: center;
    padding: 20px;
    font-size: 0.8rem;
}