/* 移动端专用CSS优化 - 豆芽视频 */

/* ==========================================================================
   移动端首页优化样式
   ========================================================================== */

/* 基础重置 */
* {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    -webkit-tap-highlight-color: rgba(0,0,0,0.1);
}

/* 移动端通用优化 */
@media screen and (max-width: 768px) {
    
    /* 页面结构优化 */
    html, body {
        overflow-x: hidden;
        -webkit-text-size-adjust: 100%;
        -ms-text-size-adjust: 100%;
    }
    
    /* 容器优化 */
    .page-wb {
        width: 100% !important;
        margin: 0 !important;
        padding: 0 10px !important;
        max-width: none !important;
    }
    
    /* 头部导航优化 */
    .layui-header {
        padding: 0 !important;
        position: fixed;
        z-index: 1000;
    }
    
    .page-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 60px;
        padding: 0 10px;
    }
    
    .logo {
        width: auto !important;
        min-width: 80px;
        font-size: 16px !important;
        background-size: auto 30px;
    }
    
    .logo a {
        color: #fff;
        text-decoration: none;
        font-weight: bold;
    }
    
    /* 导航菜单移动端优化 */
    .layui-nav {
        background: none !important;
        flex: 1;
        margin-left: 15px;
        overflow-x: auto;
        overflow-y: hidden;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }
    
    .layui-nav::-webkit-scrollbar {
        display: none;
    }
    
    .layui-nav .layui-nav-item {
        display: inline-block;
        float: none !important;
        margin: 0 2px;
    }
    
    .layui-nav .layui-nav-item a {
        font-size: 12px !important;
        padding: 0 8px !important;
        height: 40px !important;
        line-height: 40px !important;
        border-radius: 4px;
        transition: background 0.2s ease;
    }
    
    .layui-nav .layui-nav-item a:hover,
    .layui-nav .layui-nav-item.layui-this a {
        background: rgba(255,255,255,0.1) !important;
    }
    
    /* 移动端隐藏和显示控制 */
    .mobile-hide {
        display: none !important;
    }
    
    .mobile-compact span {
        display: none !important;
    }
    
    .mobile-compact a {
        width: 40px !important;
        text-align: center !important;
        padding: 0 !important;
    }
    
    /* 主要内容区域 */
    .layui-layout {
        margin-top: 60px !important;
    }
    
    /* 视频列表移动端布局 */
    .fly-case-list {
        width: 100% !important;
        margin: 15px 0 0 0 !important;
        padding: 0 !important;
        display: flex !important;
        flex-wrap: wrap !important;
        justify-content: space-between !important;
        gap: 8px;
    }
    
    .fly-case-list li {
        width: calc(50% - 4px) !important;
        margin: 0 0 12px 0 !important;
        padding: 6px !important;
        background: #fff;
        border-radius: 8px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.06);
        transition: all 0.2s ease;
        position: relative;
        overflow: hidden;
    }
    
    .fly-case-list li:hover {
        box-shadow: 0 4px 12px rgba(0,0,0,0.1) !important;
        transform: translateY(-2px);
    }
    
    /* 视频缩略图优化 */
    .fly-case-img {
        height: 110px !important;
        border-radius: 6px !important;
        overflow: hidden !important;
        position: relative !important;
        background: linear-gradient(45deg, #f0f0f0 25%, transparent 25%), 
                    linear-gradient(-45deg, #f0f0f0 25%, transparent 25%), 
                    linear-gradient(45deg, transparent 75%, #f0f0f0 75%), 
                    linear-gradient(-45deg, transparent 75%, #f0f0f0 75%);
        background-size: 20px 20px;
        background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
    }
    
    .fly-case-img img {
        width: 100% !important;
        height: 100% !important;
        object-fit: cover !important;
        transition: transform 0.3s ease;
    }
    
    .fly-case-img:active img {
        transform: scale(1.05);
    }
    
    /* 视频状态标签优化 */
    .fly-case-img .zt {
        position: absolute !important;
        top: 6px !important;
        left: 6px !important;
        background: rgba(0,0,0,0.7) !important;
        color: #fff !important;
        font-size: 9px !important;
        padding: 2px 6px !important;
        border-radius: 10px !important;
        backdrop-filter: blur(4px);
    }
    
    .fly-case-img .sc,
    .fly-case-img .dx {
        position: absolute !important;
        bottom: 6px !important;
        background: rgba(0,0,0,0.7) !important;
        color: #fff !important;
        font-size: 9px !important;
        padding: 2px 6px !important;
        border-radius: 10px !important;
        backdrop-filter: blur(4px);
    }
    
    .fly-case-img .sc {
        right: 6px !important;
    }
    
    .fly-case-img .dx {
        left: 6px !important;
    }
    
    /* 播放按钮优化 */
    .fly-case-img i {
        width: 36px !important;
        height: 36px !important;
        line-height: 36px !important;
        font-size: 18px !important;
        margin-left: -18px !important;
        top: 37px !important;
        background: rgba(0,0,0,0.6) !important;
        border: 2px solid rgba(255,255,255,0.8) !important;
        backdrop-filter: blur(4px);
        opacity: 0 !important;
        transition: all 0.3s ease !important;
    }
    
    .fly-case-img:hover i,
    .fly-case-list li:active .fly-case-img i {
        opacity: 1 !important;
        width: 32px !important;
        height: 32px !important;
        line-height: 32px !important;
        margin-left: -16px !important;
        top: 39px !important;
    }
    
    /* 视频标题优化 */
    .fly-case-list li h2 {
        font-size: 13px !important;
        height: auto !important;
        line-height: 16px !important;
        padding: 8px 0 5px !important;
        margin: 0 !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
        display: -webkit-box !important;
        -webkit-line-clamp: 2 !important;
        -webkit-box-orient: vertical !important;
        color: #333 !important;
        font-weight: 500 !important;
    }
    
    .fly-case-list li h2 a {
        color: inherit !important;
        text-decoration: none !important;
    }
    
    .fly-case-list li h2 a:hover {
        color: #1E9FFF !important;
    }
    
    /* 视频信息区域优化 */
    .fly-case-info {
        margin: 6px 0 0 !important;
        padding-top: 6px !important;
        border-top: 1px solid #f0f0f0 !important;
    }
    
    .fly-case-info p {
        font-size: 10px !important;
        height: auto !important;
        line-height: 16px !important;
        margin: 0 !important;
        color: #666 !important;
    }
    
    /* 操作按钮优化 */
    .cy_cmt_count {
        display: inline-block !important;
        margin: 2px 2px 2px 0 !important;
    }
    
    .layui-btn-mini {
        font-size: 9px !important;
        padding: 2px 6px !important;
        margin: 1px !important;
        border-radius: 10px !important;
        height: auto !important;
        line-height: 1.4 !important;
        transition: all 0.2s ease !important;
    }
    
    .layui-btn-mini:active {
        transform: scale(0.95);
    }
    
    /* 分页组件优化 */
    .layui-laypage {
        margin: 20px 0 !important;
        text-align: center !important;
    }
    
    .layui-laypage a,
    .layui-laypage span {
        height: 32px !important;
        line-height: 32px !important;
        font-size: 12px !important;
        padding: 0 8px !important;
        margin: 0 2px !important;
        border-radius: 4px !important;
        min-width: 32px !important;
    }
    
    .layui-laypage .rows {
        font-size: 11px !important;
        color: #666 !important;
        margin-bottom: 10px !important;
        display: block !important;
    }
    
    /* 底部优化 */
    .layui-footer {
        padding: 15px 0 !important;
        font-size: 11px !important;
        line-height: 1.6 !important;
        text-align: center !important;
    }
    
    .layui-footer .page-wb {
        padding: 0 15px !important;
    }
    
    /* 触摸反馈 */
    .fly-case-list li {
        -webkit-tap-highlight-color: rgba(30, 159, 255, 0.1);
        tap-highlight-color: rgba(30, 159, 255, 0.1);
    }
    
    .touching {
        transform: scale(0.98) !important;
        opacity: 0.8 !important;
        transition: all 0.1s ease !important;
    }
    
    /* 导航滚动提示 */
    .scrollable-nav {
        position: relative;
    }
    
    .scrollable-nav::after {
        content: "→";
        position: absolute;
        right: 0;
        top: 50%;
        transform: translateY(-50%);
        color: rgba(255,255,255,0.6);
        font-size: 14px;
        pointer-events: none;
        background: linear-gradient(to right, transparent, rgba(57, 61, 73, 0.8));
        padding-left: 20px;
        width: 40px;
        text-align: right;
    }
}

/* 超小屏幕优化 (iPhone SE等) */
@media screen and (max-width: 375px) {
    .page-wb {
        padding: 0 5px !important;
    }
    
    .fly-case-list {
        gap: 4px !important;
    }
    
    .fly-case-list li {
        width: calc(50% - 2px) !important;
        padding: 4px !important;
    }
    
    .fly-case-img {
        height: 95px !important;
    }
    
    .fly-case-list li h2 {
        font-size: 12px !important;
        line-height: 15px !important;
        padding: 6px 0 4px !important;
    }
    
    .layui-btn-mini {
        font-size: 8px !important;
        padding: 1px 4px !important;
    }
    
    .logo {
        font-size: 14px !important;
        min-width: 70px !important;
    }
    
    .layui-nav .layui-nav-item a {
        font-size: 11px !important;
        padding: 0 6px !important;
    }
}

/* 横屏优化 */
@media screen and (max-width: 768px) and (orientation: landscape) {
    .fly-case-list li {
        width: calc(33.333% - 6px) !important;
    }
    
    .fly-case-img {
        height: 90px !important;
    }
    
    .layui-layout {
        margin-top: 55px !important;
    }
    
    .layui-header {
        height: 55px !important;
    }
    
    .page-header {
        height: 55px !important;
    }
}

/* 加载动画优化 */
@media screen and (max-width: 768px) {
    .fly-case-img img[lay-src] {
        background: linear-gradient(90deg, #f0f0f0 25%, rgba(240,240,240,0.5) 50%, #f0f0f0 75%);
        background-size: 200% 100%;
        animation: loading 1.5s infinite;
    }
    
    @keyframes loading {
        0% {
            background-position: 200% 0;
        }
        100% {
            background-position: -200% 0;
        }
    }
}

/* 深色模式支持 (如果设备支持) */
@media (prefers-color-scheme: dark) and (max-width: 768px) {
    .fly-case-list li {
        background: #2d2d2d !important;
    }
    
    .fly-case-list li h2 {
        color: #e0e0e0 !important;
    }
    
    .fly-case-info p {
        color: #999 !important;
    }
}