/* ============================================================
   videolist-bs.css - 视频列表页 Bootstrap 定制样式
   ============================================================ */

/* ---------- 侧边栏 ---------- */
.side-title {
    font-size: 16px;
    color: #fff;
    background: #078a60;
    padding: 12px 16px;
    border-radius: 8px 8px 0 0;
}
.side-nav .list-group-item a {
    color: #333;
    font-size: 14px;
    line-height: 1.6;
    border-bottom: 1px dotted #e8ecef;
    transition: color 0.2s;
}
.side-nav .list-group-item a:hover {
    color: #078a60;
    text-decoration: none;
}
.side-nav .list-group-item:last-child a {
    border-bottom: none;
}
.side-contact dd {
    font-size: 13px;
    color: #555;
}

/* ---------- 当前位置 ---------- */
.position-nav {
    color: #888;
    font-size: 13px;
}
.position-nav a {
    color: #888;
    text-decoration: none;
}
.position-nav a:hover {
    color: #078a60;
}

/* ---------- 视频列表头部 ---------- */
.video-list-head h2 {
    color: #111;
}
.video-list-head p {
    color: #888;
}

/* ---------- 视频卡片 ---------- */
.video-card {
    border-color: #e7ebef !important;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.video-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 30px rgba(7, 138, 96, 0.14) !important;
    border-color: #cde7dc !important;
}
.video-card.active {
    border-color: #7dc8ad !important;
    box-shadow: 0 14px 32px rgba(7, 138, 96, 0.18) !important;
}
.video-pic {
    background: #f4f6f8;
}
.video-pic img {
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
}
.play-mask {
    padding: 8px 16px;
    border-radius: 999px;
    background: rgba(7, 138, 96, 0.9);
    color: #fff;
    font-size: 13px;
    letter-spacing: 0.5px;
    line-height: 1;
    z-index: 2;
}
.video-title {
    font-size: 15px;
    line-height: 1.6;
    min-height: 50px;
    color: #1f2933 !important;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.video-title:hover {
    color: #078a60 !important;
}

/* ---------- 推荐产品 ---------- */
.recommend-pic img {
    aspect-ratio: 16 / 10;
    object-fit: cover;
    display: block;
}
.recommend-title {
    font-size: 14px;
    line-height: 1.5;
    transition: color 0.2s;
}
.recommend-title:hover {
    color: #078a60 !important;
}

/* ---------- 分页 ---------- */
.pagination > span {
    display: inline-flex;
    align-items: center;
    min-width: 36px;
    height: 36px;
    padding: 0 12px;
    border-radius: 8px;
    border: 1px solid #d9e1e7;
    background: #fff;
    color: #2f3b46;
    font-size: 14px;
    margin: 2px;
}
.pagination > span > a,
.pagination > span > span {
    display: inline-block;
    border: 0 !important;
    background: transparent !important;
    min-width: 0;
    height: auto;
    line-height: 1;
    padding: 0;
    margin: 0;
    color: inherit;
    text-decoration: none;
}
.pagination > span:hover {
    border-color: #078a60;
}
.pagination > span:hover > a {
    color: #078a60;
}
.pagination > .page-status {
    padding: 0 14px;
}
.pagination > .page-numbar > a {
    min-width: 28px;
    text-align: center;
    padding: 0 8px;
}
.pagination > .page-numbar > .page-num-current {
    color: #078a60;
    font-weight: 700;
}

/* ---------- 视频弹窗 ---------- */
.modal-video .modal-content {
    background: #0f1115;
}
.modal-video .modal-header {
    height: 46px;
    background: #171a20;
}

/* ---------- 响应式 ---------- */
@media (max-width: 767.98px) {
    .main {
        padding: 16px 0 !important;
    }
    .content-card {
        padding: 16px !important;
    }
    .video-list-head h2 {
        font-size: 20px;
    }
    .video-title {
        font-size: 14px;
        min-height: 44px;
    }
    .play-mask {
        font-size: 12px;
        padding: 6px 12px;
    }
}

@media (max-width: 575.98px) {
    .video-list .col-sm-6 {
        width: 100%;
    }
}

/* iPad Air 及平板竖屏优化（768-991px 保持桌面布局） */
@media (min-width: 768px) and (max-width: 991.98px) {
    /* 导航栏不折叠 */
    .navbar-custom .collapse.navbar-collapse:not(.show) {
        display: flex !important;
        flex-basis: auto !important;
    }
    .navbar-custom .navbar-toggler {
        display: none !important;
    }
    /* 侧边栏保持 3 列宽 */
    aside.col-lg-3 {
        flex: 0 0 25% !important;
        max-width: 25% !important;
    }
    /* 主内容保持 9 列宽 */
    .col-lg-9 {
        flex: 0 0 75% !important;
        max-width: 75% !important;
    }
    /* 视频卡片保持 3 列 */
    .video-list .col-md-4 {
        flex: 0 0 33.333333% !important;
        max-width: 33.333333% !important;
    }
    /* 推荐产品保持 3 列 */
    .recommend-list .col-md-4 {
        flex: 0 0 33.333333% !important;
        max-width: 33.333333% !important;
    }
}

/* iPad 横屏优化 */
@media (max-width: 1199.98px) {
    .side-title {
        font-size: 14px;
        padding: 10px 14px;
    }
    .side-nav .list-group-item a {
        font-size: 13px;
    }
    .video-list-head h2 {
        font-size: 22px;
    }
    .video-title {
        font-size: 14px;
        min-height: 44px;
        line-height: 1.5;
    }
    .content-card {
        padding: 16px !important;
    }
}