/* RWD Slider - 前台通用樣式 */
.rwd-slider-wrapper {
    visibility: hidden !important;
    opacity: 0 !important;
    transition: opacity 0.4s ease;
    position: relative;
    margin-left: auto;
    margin-right: auto;
}
.rwd-slider-wrapper.rwd-slider--initialized {
    visibility: visible !important;
    opacity: 1 !important;
}
.rwd-slider-main-area {
    flex-grow: 1;
    min-width: 0;
    position: relative;
    margin: 0 auto;
}
.rwd-slider-container {
    overflow: hidden;
    position: relative;
    width: 100%;
}
.rwd-slider-wrapper .swiper-slide {
    transform: translateZ(0);
    height: 100%;
}
.rwd-slider__slide-link,
.rwd-slider__slide-content {
    display: block;
    position: relative;
    width: 100%;
    height: 100%;
    text-decoration: none;
    color: inherit;
}
.rwd-slider__slide-link {
    cursor: pointer;
}
.rwd-slider__html-content {
    height: 100%;
    box-sizing: border-box;
}
.rwd-slider__img-container img,
.rwd-slider__img-container picture {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.rwd-slider__img-container img {
    object-fit: cover;
    object-position: var(--rwd-image-object-position);
}
.rwd-slider__video-placeholder {
    background-color: #000;
}
.rwd-slider__caption{
    position: absolute;
    z-index: 3;
    padding: 1em;
    background: var(--rwd-caption-bg);
    color: var(--rwd-caption-color);
    box-sizing: border-box;
    pointer-events: none;
}
.rwd-slider__caption-text {
    margin: 0;
    padding: 0;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: var(--rwd-caption-max-lines);
    overflow: hidden;
    text-overflow: ellipsis;
}
.rwd-slider__video-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.rwd-slider__video-wrapper.is-playing {
    visibility: visible;
    opacity: 1;
}
.rwd-slider__video-wrapper iframe {
    width: 100%;
    height: 100%;
}
.rwd-slider__play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 3;
    width: 68px;
    height: 48px;
    background-color: rgba(0,0,0,0.7);
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}
.rwd-slider__play-button:hover {
    background-color: #cc181e;
}
.rwd-slider__play-button::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-45%, -50%);
    border-style: solid;
    border-width: 10px 0 10px 20px;
    border-color: transparent transparent transparent #fff;
}
.rwd-slider__overlay {
    position: absolute;
    z-index: 10;
    pointer-events: none;
    box-sizing: border-box;
}
.rwd-slider__overlay img {
    max-width: 100%;
    height: auto;
    display: block;
}
/* Layer Styles */
.rwd-slider__layer {
    position: absolute;
    z-index: 12;
    transform-style: preserve-3d;
    opacity: 0;
    transition-property: opacity, transform;
}
.swiper-slide-active .rwd-slider__layer.is-visible {
    opacity: 1;
}
.rwd-slider__layer[data-anim-in='fadeIn'] { transform: translate(-50%, -50%); }
.swiper-slide-active .rwd-slider__layer.is-visible[data-anim-in='fadeIn'] { transform: translate(-50%, -50%); }
.rwd-slider__layer[data-anim-in='fadeInUp'] { transform: translate(-50%, calc(-50% + 20px)); }
.swiper-slide-active .rwd-slider__layer.is-visible[data-anim-in='fadeInUp'] { transform: translate(-50%, -50%); }
.rwd-slider__layer[data-anim-in='fadeInDown'] { transform: translate(-50%, calc(-50% - 20px)); }
.swiper-slide-active .rwd-slider__layer.is-visible[data-anim-in='fadeInDown'] { transform: translate(-50%, -50%); }
.rwd-slider__layer[data-anim-in='fadeInLeft'] { transform: translate(calc(-50% + 20px), -50%); }
.swiper-slide-active .rwd-slider__layer.is-visible[data-anim-in='fadeInLeft'] { transform: translate(-50%, -50%); }
.rwd-slider__layer[data-anim-in='fadeInRight'] { transform: translate(calc(-50% - 20px), -50%); }
.swiper-slide-active .rwd-slider__layer.is-visible[data-anim-in='fadeInRight'] { transform: translate(-50%, -50%); }

/* Controls */
.rwd-slider-wrapper .swiper-slide { transition-property: opacity, transform; }
.rwd-slider-wrapper .swiper-pagination-bullet{ transition: all 0.2s ease; }
.rwd-slider-thumbs-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    max-width: 100%;
}
.rwd-slider-thumbs {
    box-sizing: border-box;
    cursor: pointer;
    flex-grow: 1;
    min-width: 0;
}
.rwd-slider-thumbs .swiper-slide {
    opacity: 0.5;
    transition: opacity 0.3s ease;
    height: 100%;
    box-sizing: border-box;
}
.rwd-slider-thumbs .swiper-slide-thumb-active {
    opacity: 1;
}
.rwd-slider-thumbs .swiper-slide img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/*
 * 修正 WebP 模式下，<picture> 標籤導致縮圖拉伸的邏輯問題
 */
.rwd-slider-thumbs .swiper-slide picture {
    display: block; /* 讓 <picture> 像 div 一樣是塊級元素 */
    width: 100%;
    height: 100%;
}

.rwd-slider-thumbs__placeholder {
    background-color: #333;
    color: #fff;
    display:flex;
    align-items:center;
    justify-content:center;
}
.rwd-slider-thumbs__placeholder .dashicons {
    font-size: 30px;
    height: 30px;
    width: 30px;
}
.rwd-slider-thumbs__arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 30px;
    height: 30px;
    background: rgba(0,0,0,0.5);
    color: #fff;
    border-radius: 50%;
    margin: 0;
    transition: opacity 0.3s ease;
}
.rwd-slider-thumbs-wrapper:hover .rwd-slider-thumbs__arrow {
    opacity: 1;
}
.rwd-slider-thumbs__arrow::after {
    font-size: 14px;
    font-weight: bold;
}
.rwd-slider-thumbs__arrow--prev { left: 5px; }
.rwd-slider-thumbs__arrow--next { right: 5px; }
.rwd-slider-thumbs__arrow.swiper-button-disabled {
    opacity: 0 !important;
    cursor: auto;
    pointer-events: none;
}
.rwd-slider__external-controls--bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    box-sizing: border-box;
}
.rwd-slider__controls-wrapper--split {
    display:flex;
    justify-content:space-between;
    align-items:center;
    width: 100%;
}
.rwd-slider-wrapper--split-layout-arrows-right .rwd-slider__arrows-container--2 { order: 2; }
.rwd-slider-wrapper--split-layout-arrows-right .rwd-slider__pagination { order: 1; }
.rwd-slider-wrapper--split-layout-arrows-left .rwd-slider__arrows-container--2 { order: 1; }
.rwd-slider-wrapper--split-layout-arrows-left .rwd-slider__pagination { order: 2; }

.rwd-slider__external-controls--bottom .rwd-slider__arrows-container--2 {
    flex-shrink: 0;
}
/* 無障礙改進 */
.rwd-slider-wrapper[aria-label] {
    /* 已有 role="region" */
}

.rwd-slider__slide[aria-hidden="true"] {
    visibility: hidden;
}

/* 鍵盤焦點可見性 */
.rwd-slider-wrapper:focus-within {
    outline: 2px solid #0073aa;
    outline-offset: 2px;
}

/* 減少動畫（尊重使用者偏好） */
@media (prefers-reduced-motion: reduce) {
    .rwd-slider-wrapper *,
    .rwd-slider-wrapper *::before,
    .rwd-slider-wrapper *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}