.intro-container {
    max-width: 900px;
    margin: 60px auto;
    background: #fff;
    padding: 50px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.intro-content h3 {
    color: #007b5e;
    border-left: 5px solid #ff8c42;
    padding-left: 15px;
    margin: 40px 0 20px;
}

.intro-content p {
    font-size: 1.1rem;
    line-height: 2;
    color: #444;
    text-align: justify;
}

.intro-footer {
    text-align: center;
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid #eee;
}


/* =========================================
   返回首頁按鈕區塊
   ========================================= */
.back-action-area {
    text-align: center;
    margin-bottom: 60px; /* 與頁尾 Footer 保持呼吸空間 */
}

.btn-return-home {
    display: inline-block;
    padding: 12px 35px;
    background-color: #ffffff;
    color: #555;
    font-size: 1.1rem;
    font-weight: bold;
    text-decoration: none;
    border: 2px solid #ddd;
    border-radius: 30px; /* 圓角膠囊形狀 */
    transition: all 0.3s ease;
}

    /* 滑鼠移過去的特效 */
    .btn-return-home:hover {
        background-color: #ff8c42;
        color: #ffffff;
        border-color: #ff8c42;
        transform: translateY(-3px); /* 微微向上浮起 */
        box-shadow: 0 6px 15px rgba(255, 140, 66, 0.3); /* 橘色光暈陰影 */
    }