.info-section {
    margin-bottom: 50px;
}

/* --- Q&A 對話框 --- */
.qa-box {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.qa-item {
    display: flex;
    gap: 15px;
    padding: 15px;
    border-radius: 8px;
    align-items: flex-start;
}

.qa-item.question {
    background: rgba(255, 255, 255, 0.05);
    border-left: 4px solid #aaa;
}

.qa-item.answer {
    background: rgba(251, 183, 80, 0.08);
    border-left: 4px solid var(--accent-red, #d7423c);
}

.qa-tag {
    background: #333;
    color: #fff;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-weight: bold;
    flex-shrink: 0;
}

.qa-item.answer .qa-tag {
    background: var(--accent-red, #d7423c);
}

.qa-text {
    color: #ddd;
    line-height: 1.6;
    font-size: 1.05rem;
}

.text-gold {
    color: var(--primary-gold, #fbb750);
}

/* --- 引用連結樣式 --- */
.ref-link-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0, 0, 0, 0.3);
    padding: 15px;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 10px;
}

.ref-link-box span {
    color: #ccc;
    font-weight: bold;
}

.ref-link-box i {
    margin-right: 5px;
    color: var(--primary-gold, #fbb750);
}

.btn-link {
    background: var(--accent-red, #d7423c);
    color: #fff;
    padding: 5px 15px;
    border-radius: 4px;
    text-decoration: none;
    font-size: 0.9rem;
    transition: background 0.3s;
}

.btn-link:hover {
    background: #b52b27;
}

/* --- 圖片樣式 --- */
.mt-15 {
    margin-top: 15px;
}

.img-responsive {
    max-width: 100%;
    height: auto;
    border: 1px solid #444;
    border-radius: 4px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.img-caption {
    text-align: center;
    color: #888;
    font-size: 0.9rem;
    margin-top: 5px;
}

/* --- 理論說明區塊 --- */
.theory-box {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #ccc;
}

.highlight-green {
    color: #7fff00;
    /* Chartreuse */
    font-weight: bold;
}

.highlight-red {
    color: #ff4444;
    font-weight: bold;
}

.quote-block {
    background: rgba(255, 255, 255, 0.05);
    border-left: 3px solid var(--primary-gold, #fbb750);
    padding: 15px;
    margin: 20px 0;
    font-style: italic;
}

.point-list {
    list-style: disc;
    padding-left: 20px;
    margin-top: 15px;
}

.point-list li {
    margin-bottom: 10px;
}

.content-box {
    position: relative;
    z-index: 2;
}

/* RWD */
@media (max-width: 768px) {

    .ref-link-box {
        flex-direction: column;
        align-items: flex-start;
    }
}