/* 1. 极其严格的局部样式重置与隔离 */
    .ss-wrapper, 
    .ss-wrapper *, 
    .ss-wrapper *::before, 
    .ss-wrapper *::after {
        box-sizing: border-box !important;
        margin: 0 !important;
        padding: 0 !important;
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif !important;
        line-height: 1.5 !important;
        /* 强制重置所有可能带来视觉干扰的属性 */
        background: transparent !important;
        border: none !important;
        box-shadow: none !important;
        text-decoration: none !important;
        text-shadow: none !important;
        outline: none !important;
    }

    /* 组件最外层包裹 */
    .ss-wrapper {
        color: #333 !important;
        padding: 30px 20px 20px 20px !important; 
        max-width: 1200px !important;
        margin: 0 auto !important;
        width: 100% !important;
    }

    /* 头部区域：强制压缩底部间距 */
    .ss-header {
        margin: 0 0 20px 0 !important; /* 将头部与下方的间距压缩到极小 */
        padding: 0 !important;
    }

    .ss-kicker {
        font-size: 14px !important;
        font-weight: 600 !important;
        letter-spacing: 0.1em !important;
        text-transform: uppercase !important;
        color: #555 !important;
        margin-bottom: 8px !important;
    }

    .ss-title {
        font-size: 32px !important;
        font-weight: 700 !important;
        line-height: 1.3 !important;
        color: #1a1a1a !important;
        margin-bottom: 8px !important; /* 压缩标题到描述的间距 */
    }

    /* 显式强制高亮文字与主标题保持一致的字号和粗细 */
    .ss-title .ss-highlight {
        color: #0056b3 !important;
        font-size: 32px !important; 
        font-weight: 700 !important;
    }

    .ss-desc {
        font-size: 18px !important;
        color: #666 !important;
        max-width: 600px !important;
    }

    /* 视频与播放列表容器 */
    .ss-container {
        display: flex !important;
        gap: 30px !important;
        background-color: #ffffff !important;
        padding: 15px !important; 
        border-radius: 12px !important;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05) !important;
        border: 1px solid #f0f0f0 !important; 
        margin: 0 !important; /* 强制无外边距 */
    }

    /* 左侧视频区域 */
    .ss-player-section {
        flex: 7 !important; 
        min-width: 0 !important;
    }

    .ss-video-window {
        width: 100% !important;
        aspect-ratio: 16 / 9 !important;
        background-color: #000000 !important;
        border-radius: 8px !important;
        overflow: hidden !important;
    }

    .ss-video-window video {
        width: 100% !important;
        height: 100% !important;
        display: block !important;
        object-fit: contain !important;
    }

    .ss-video-info {
        margin-top: 15px !important; 
    }

    .ss-current-title {
        font-size: 24px !important;
        font-weight: 600 !important;
        color: #1a1a1a !important;
        background: transparent !important;
    }

    /* 右侧播放列表区域 */
    .ss-playlist-section {
        flex: 4 !important; 
        min-width: 0 !important;
        max-height: 500px !important;
        overflow-y: auto !important;
        border-left: 1px solid #eaeaea !important;
        padding-left: 20px !important;
    }

    .ss-playlist-title {
        font-size: 18px !important;
        font-weight: 600 !important;
        color: #555555 !important;
        margin-bottom: 15px !important;
        padding-bottom: 10px !important;
        border-bottom: 1px solid #f0f0f0 !important;
        background: transparent !important;
    }

    /* 列表项：彻底清除外来背景，还原纯净文本行 */
    .ss-playlist-item {
        display: flex !important;
        align-items: center !important;
        padding: 14px 16px !important;
        background-color: transparent !important;
        border-radius: 8px !important;
        margin-bottom: 6px !important;
        cursor: pointer !important;
        transition: background-color 0.25s ease, color 0.25s ease !important;
    }

    .ss-playlist-item:hover {
        background-color: #f9f9f9 !important;
    }

    .ss-playlist-item.active {
        background-color: #eef6ff !important;
    }

    /* 序号样式 */
    .ss-item-index {
        font-size: 14px !important;
        font-weight: 500 !important;
        color: #999999 !important;
        margin-right: 16px !important;
        min-width: 24px !important;
        text-align: center !important;
        background: transparent !important;
        transition: color 0.25s ease !important;
    }

    .ss-playlist-item.active .ss-item-index {
        color: #0056b3 !important;
        font-weight: 700 !important;
    }

    /* 标题样式 */
    .ss-item-title {
        font-size: 15px !important;
        font-weight: 500 !important;
        color: #333333 !important;
        line-height: 1.4 !important;
        background: transparent !important;
        transition: color 0.25s ease !important;
    }

    .ss-playlist-item.active .ss-item-title {
        color: #0056b3 !important;
        font-weight: 600 !important;
    }

    /* 滚动条美化 */
    .ss-playlist-section::-webkit-scrollbar {
        width: 6px !important;
    }
    .ss-playlist-section::-webkit-scrollbar-track {
        background: transparent !important;
    }
    .ss-playlist-section::-webkit-scrollbar-thumb {
        background-color: #dddddd !important;
        border-radius: 3px !important;
    }
    .ss-playlist-section::-webkit-scrollbar-thumb:hover {
        background-color: #cccccc !important;
    }

    /* 响应式设计：小屏幕下改为上下布局 */
    @media (max-width: 768px) {
        .ss-container {
            flex-direction: column !important;
            padding: 15px !important;
        }
        .ss-playlist-section {
            max-height: none !important;
            border-left: none !important;
            border-top: 1px solid #eaeaea !important;
            padding-left: 0 !important;
            padding-top: 20px !important;
            margin-top: 20px !important;
        }
        .ss-title, .ss-title .ss-highlight {
            font-size: 24px !important;
        }
    }