/* --- 線上開戶系列頁面樣式 --- */
.oo-container {
    width: 100%;
    margin: 0 auto;
    font-family: "微軟正黑體", "Microsoft JhengHei", sans-serif;
}

.page-title {
    font-size: 2em;
    color: #c2242d;
    text-align: center;
    margin-bottom: 20px;
}

/* --- 子導覽列 --- */
.oo-nav {
    margin-bottom: 30px;
}
.oo-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    border: 1px solid #ddd;
    border-radius: 8px;
    overflow: hidden;
}
.oo-nav li {
    flex-grow: 1;
    text-align: center;
    border-right: 1px solid #ddd;
}
.oo-nav li:last-child {
    border-right: none;
}
.oo-nav a {
    display: block;
    padding: 12px;
    text-decoration: none;
    color: #555;
    background-color: #f5f5f5;
    font-weight: bold;
    transition: background-color 0.3s, color 0.3s;
}
.oo-nav a:hover {
    background-color: #e0e0e0;
}
.oo-nav a.active {
    background-color: #c2242d;
    color: #fff;
}

/* --- 內容區塊 --- */
.oo-content {
    background-color: #fff;
    padding: 25px;
    border: 1px solid #ddd;
    border-radius: 8px;
    line-height: 1.8;
}
.oo-content section {
    margin-bottom: 25px;
}
.oo-content h2 { color: #333; }
.oo-content h3 { color: #555; }
.oo-content ul, .oo-content ol { padding-left: 25px; }

/* 流程頁樣式 */
.step {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid #eee;
}
.step:last-child { border-bottom: none; }
.step-image { flex: 0 0 150px; text-align: center; }
.step-image img { max-width: 100%; height: auto; }
.step-text { flex: 1; }
.step-text h2 { margin-top: 0; color: #c2242d; }

/* 啟用流程頁樣式 */
.step-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}
.gallery-item {
    text-align: center;
}
.gallery-item h3 { font-size: 1.1em; }
.gallery-item img { max-width: 100%; height: auto; border: 1px solid #ddd; border-radius: 5px; }

/* Q&A 頁樣式 */
.faq-list dt {
    font-size: 1.2em;
    font-weight: bold;
    color: #c2242d;
    margin-top: 20px;
}
.faq-list dd {
    margin-left: 0;
    padding-bottom: 15px;
    border-bottom: 1px dashed #ccc;
}

/* RWD */
@media (max-width: 768px) {
    .page-title { font-size: 1.6em; }
    .oo-nav ul { flex-direction: column; }
    .oo-nav li { border-right: none; border-bottom: 1px solid #ddd; }
    .oo-nav li:last-child { border-bottom: none; }
    .step { flex-direction: column; align-items: center; text-align: center; }
}