/**
 * 白羽广告模块前端样式
 * 处理幻灯片、轮播图等广告展示
 */

/* ========================================
   基础广告容器
   ======================================== */
.baiyu-ad {
    position: relative;
    margin: 0;
    padding: 0;
    width: 100%;
    box-sizing: border-box;
    line-height: 0;
    /* 去除行内元素间隙 */
    font-size: 0;
    /* 去除行内元素间隙 */
}

/* 有间距的广告容器 */
.baiyu-ad.has-margin {
    margin: 20px 0;
}

/* 小工具内的广告无上下间距 */
.widget .baiyu-ad {
    margin: 0;
}

/* 图片自适应 - 完全填充 */
.baiyu-ad img {
    display: block;
    max-width: 100%;
    width: 100%;
    height: auto;
    object-fit: cover;
    margin: 0;
    padding: 0;
    border: none;
}

/* 视频自适应 */
.baiyu-ad video,
.baiyu-ad iframe {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    border: none;
    margin: 0;
    padding: 0;
}

/* 链接样式 - 无间距 */
.baiyu-ad-link {
    display: block;
    text-decoration: none;
    color: inherit;
    overflow: hidden;
    margin: 0;
    padding: 0;
    line-height: 0;
}

/* 文字广告 */
.baiyu-ad-text {
    padding: 16px 20px;
    font-size: 15px;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #f8f9fa, #ffffff);
    border-left: 4px solid #2d7dfa;
}

/* 代码广告容器 */
.baiyu-ad-content {
    width: 100%;
    overflow: hidden;
}

/* ========================================
   样式修饰类 - 增强版
   ======================================== */
/* 圆角 */
.baiyu-ad.has-rounded {
    border-radius: 12px;
    overflow: hidden;
}

.baiyu-ad.has-rounded img,
.baiyu-ad.has-rounded video,
.baiyu-ad.has-rounded iframe,
.baiyu-ad.has-rounded .baiyu-ad-slider,
.baiyu-ad.has-rounded .baiyu-ad-carousel {
    border-radius: 12px;
    overflow: hidden;
}

/* 阴影 - 多层阴影更柔和 */
.baiyu-ad.has-shadow {
    box-shadow:
        0 4px 6px -1px rgba(0, 0, 0, 0.1),
        0 10px 15px -3px rgba(0, 0, 0, 0.08),
        0 20px 25px -5px rgba(0, 0, 0, 0.05);
}

/* 边框 - 更精致 */
.baiyu-ad.has-border {
    border: 1px solid rgba(0, 0, 0, 0.08);
    background: #fff;
    padding: 4px;
}

/* 悬停效果 - 更优雅 */
.baiyu-ad.has-hover {
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.baiyu-ad.has-hover:hover {
    transform: translateY(-4px);
}

.baiyu-ad.has-hover .baiyu-ad-link img,
.baiyu-ad.has-hover .baiyu-ad-link video {
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.baiyu-ad.has-hover .baiyu-ad-link:hover img,
.baiyu-ad.has-hover .baiyu-ad-link:hover video {
    transform: scale(1.03);
}

/* ========================================
   广告标识 Badge - 玻璃拟态效果
   ======================================== */
.baiyu-ad-badge {
    position: absolute;
    padding: 4px 10px;
    font-size: 10px;
    font-weight: 600;
    color: #fff;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 20;
    line-height: 1.3;
    letter-spacing: 1px;
    text-transform: uppercase;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.baiyu-ad-badge.badge-top-right {
    top: 12px;
    right: 12px;
}

.baiyu-ad-badge.badge-top-left {
    top: 12px;
    left: 12px;
}

.baiyu-ad-badge.badge-bottom-right {
    bottom: 12px;
    right: 12px;
}

.baiyu-ad-badge.badge-bottom-left {
    bottom: 12px;
    left: 12px;
}

/* ========================================
   幻灯片广告样式 (Slider - 淡入淡出)
   ======================================== */
.baiyu-ad-slider {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: 8px;
}

.baiyu-ad-slider .slider-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
    pointer-events: none;
}

.baiyu-ad-slider .slider-item.active {
    position: relative;
    opacity: 1;
    pointer-events: auto;
}

.baiyu-ad-slider .slider-item img {
    width: 100%;
    height: auto;
    display: block;
}

.baiyu-ad-slider .slider-item a {
    display: block;
}

/* 幻灯片指示器 */
.baiyu-ad-slider .slider-dots {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.baiyu-ad-slider .slider-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.baiyu-ad-slider .slider-dot.active,
.baiyu-ad-slider .slider-dot:hover {
    background: #fff;
    transform: scale(1.2);
}

/* ========================================
   轮播图广告样式 (Carousel - 左右滑动)
   ======================================== */
.baiyu-ad-carousel {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: 8px;
}

.baiyu-ad-carousel .carousel-track {
    display: flex;
    transition: transform 0.4s ease-in-out;
}

.baiyu-ad-carousel .carousel-item {
    flex: 0 0 100%;
    min-width: 100%;
}

.baiyu-ad-carousel .carousel-item img {
    width: 100%;
    height: auto;
    display: block;
}

.baiyu-ad-carousel .carousel-item a {
    display: block;
}

/* 轮播图导航按钮 */
.baiyu-ad-carousel .carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.4);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    opacity: 0;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.baiyu-ad-carousel:hover .carousel-nav {
    opacity: 1;
}

.baiyu-ad-carousel .carousel-nav:hover {
    background: rgba(0, 0, 0, 0.7);
}

.baiyu-ad-carousel .carousel-prev {
    left: 12px;
}

.baiyu-ad-carousel .carousel-next {
    right: 12px;
}

/* 轮播图指示器 */
.baiyu-ad-carousel .carousel-dots {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.baiyu-ad-carousel .carousel-dot {
    width: 24px;
    height: 4px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.baiyu-ad-carousel .carousel-dot.active,
.baiyu-ad-carousel .carousel-dot:hover {
    background: #fff;
}

/* ========================================
   响应式适配
   ======================================== */
@media (max-width: 768px) {
    .baiyu-ad-carousel .carousel-nav {
        width: 32px;
        height: 32px;
        font-size: 14px;
        opacity: 0.7;
    }

    .baiyu-ad-carousel .carousel-prev {
        left: 8px;
    }

    .baiyu-ad-carousel .carousel-next {
        right: 8px;
    }

    .baiyu-ad-slider .slider-dots,
    .baiyu-ad-carousel .carousel-dots {
        bottom: 8px;
    }
}

/* ========================================
   网格广告样式
   ======================================== */
.baiyu-ad-grid {
    display: grid;
    grid-template-columns: repeat(var(--grid-cols, 3), 1fr);
    gap: 12px;
    font-size: 14px;
    line-height: 1.4;
}

.grid-ad-item {
    overflow: hidden;
    border-radius: 8px;
    background: #f8f9fa;
    transition: all 0.3s ease;
}

.grid-ad-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

.grid-ad-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.grid-ad-item img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.grid-ad-item:hover img {
    transform: scale(1.05);
}

.grid-ad-title {
    padding: 10px 12px;
    font-size: 13px;
    color: #333;
    text-align: center;
    background: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 响应式：移动端减少列数 */
@media (max-width: 768px) {
    .baiyu-ad-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .grid-ad-title {
        padding: 8px 10px;
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .baiyu-ad-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}