/* ==========================================================================
   RS Tang FAQ - Front-end Styles
   所有樣式 scoped 在 .rs-tang-faq-wrap 下，不污染全域
   ========================================================================== */

/* Reset：避免佈景干擾 */
.rs-tang-faq-wrap,
.rs-tang-faq-wrap *,
.rs-tang-faq-wrap *::before,
.rs-tang-faq-wrap *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    border: 0;
    outline: none;
    text-decoration: none;
    list-style: none;
}

/* ── Wrap ── */
.rs-tang-faq-wrap {
    width: 100%;
    font-family: "Noto Sans TC", sans-serif;
}

/* ── FAQ 標題 ── */
.rs-tang-faq-title {
    color: #60493E;
    text-align: center;
    font-family: "Noto Sans TC", sans-serif;
    font-size: 46px;
    font-style: normal;
    font-weight: 700;
    line-height: normal;
    letter-spacing: 0.92px;
    margin-bottom: 112px;
}

/* ── 列表容器 ── */
.rs-tang-faq-list {
    width: 100%;
}

/* ── 每一個 FAQ 項目 ── */
.rs-tang-faq-item {
    width: 100%;
}

/* ── Header（收合狀態） ── */
.rs-tang-faq-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    border-bottom: 1px solid #BDBDB9;
    cursor: pointer;
    transition: background-color 0.3s ease, border-radius 0.3s ease;
    -webkit-user-select: none;
    user-select: none;
    background-color: transparent;
}

.rs-tang-faq-header:focus-visible {
    outline: 2px solid #DAA388;
    outline-offset: -2px;
}

.rs-tang-faq-header-left {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1 1 0;
    min-width: 0;
}

.rs-tang-faq-q-label {
    text-align: center;
    color: #5B5D53;
    font-size: 16px;
    font-family: "Noto Sans TC", sans-serif;
    font-weight: 400;
    line-height: 25.6px;
    letter-spacing: 1.6px;
    flex-shrink: 0;
}

.rs-tang-faq-q-text {
    text-align: left;
    color: #60493E;
    font-size: 16px;
    font-family: "Noto Sans TC", sans-serif;
    font-weight: 400;
    line-height: 25.6px;
    letter-spacing: 1.6px;
    word-wrap: break-word;
    overflow: hidden;
}

/* ── Icon 區域 ── */
.rs-tang-faq-icon {
    position: relative;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #DAA388;
}

.rs-tang-faq-icon-h,
.rs-tang-faq-icon-v {
    position: absolute;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

/* 收合：顯示十字（水平 + 垂直） */
.rs-tang-faq-icon-v {
    opacity: 1;
}

/* ── 展開狀態 ── */
.rs-tang-faq-item.is-open .rs-tang-faq-header {
    background-color: #8E7569;
    border-bottom: none;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
}

.rs-tang-faq-item.is-open .rs-tang-faq-q-label {
    color: #FEFDF9;
}

.rs-tang-faq-item.is-open .rs-tang-faq-q-text {
    color: #FEFDF9;
}

.rs-tang-faq-item.is-open .rs-tang-faq-icon {
    color: #FEFDF9;
}

/* 展開：隱藏垂直線（十字 → 減號） */
.rs-tang-faq-item.is-open .rs-tang-faq-icon-v {
    opacity: 0;
    transform: rotate(90deg);
}

/* ── Body（答案區） ── */
.rs-tang-faq-body {
    border-bottom: 1px solid #BDBDB9;
    overflow: hidden;
}

.rs-tang-faq-answer {
    padding: 24px;
    color: #666666;
    font-size: 16px;
    font-family: "Noto Sans TC", sans-serif;
    font-weight: 400;
    line-height: 25.6px;
    letter-spacing: 1.6px;
    word-wrap: break-word;
}

/* 答案區內的 WYSIWYG 內容 reset */
.rs-tang-faq-answer p {
    margin: 0 0 12px 0;
    padding: 0;
    color: inherit;
    font-size: inherit;
    font-family: inherit;
    font-weight: inherit;
    line-height: inherit;
    letter-spacing: inherit;
}

.rs-tang-faq-answer p:last-child {
    margin-bottom: 0;
}

.rs-tang-faq-answer ul,
.rs-tang-faq-answer ol {
    margin: 0 0 12px 20px;
    padding: 0;
    color: inherit;
    font-size: inherit;
    line-height: inherit;
}

.rs-tang-faq-answer ul {
    list-style: disc;
}

.rs-tang-faq-answer ol {
    list-style: decimal;
}

.rs-tang-faq-answer li {
    margin-bottom: 4px;
    list-style: inherit;
}

.rs-tang-faq-answer img {
    max-width: 100%;
    height: auto;
}

.rs-tang-faq-answer a {
    color: #8E7569;
    text-decoration: underline;
}

.rs-tang-faq-answer a:hover {
    color: #60493E;
}

/* ==========================================================================
   RWD
   ========================================================================== */
@media screen and (max-width: 768px) {
    .rs-tang-faq-title {
        font-size: 23px;
        letter-spacing: 0.46px;
        margin-bottom: 60px;
    }

    .rs-tang-faq-header {
        padding: 12px 16px;
    }

    .rs-tang-faq-answer {
        padding: 16px;
    }
}