@media screen and (max-width: 768px) {
    :root {
        --mobile-padding: 12px;
        --element-margin: 8px;
    }
    
    html, body {
        width: 100%;
        overflow-x: hidden;
        -webkit-text-size-adjust: 100%;
        -ms-text-size-adjust: 100%;
    }
    
    .home-content {
        margin: 10px auto 0;
        padding: 0 var(--mobile-padding);
        width: 100%;
        box-sizing: border-box;
    }
    
    .main-container {
        margin: 0;
        padding: 0 var(--mobile-padding) 160px;
        width: 100%;
        box-sizing: border-box;
    }

    .search-container {
        flex-direction: column;
        padding: 0;
        margin: var(--element-margin) 0;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    .quality-selector {
        width: 100%;
        max-width: 100%;
        margin: var(--element-margin) 0 0;
        padding: 0;
        box-sizing: border-box;
    }
    
    .quality-selector .select-wrapper {
        width: 100%;
    }
    
    .quality-selector select {
        width: 100% !important;
        max-width: 100% !important;
        padding: 10px 12px !important;
        font-size: 14px !important;
        box-sizing: border-box;
        -webkit-appearance: none;
        -moz-appearance: none;
        appearance: none;
        background-color: rgba(255, 255, 255, 0.1) !important;
        border: 1px solid rgba(255, 255, 255, 0.5) !important;
        border-radius: 20px !important;
        color: white !important;
    }

    .search-box {
        width: 100%;
        max-width: 100%;
        padding: 10px 12px;
        border-radius: 20px !important;
        background: rgba(255, 255, 255, 0.1) !important;
        border: 1px solid rgba(255, 255, 255, 0.5) !important;
        box-shadow: none !important;
    }
    
    .search-box input {
        font-size: 14px !important;
        padding: 0 8px !important;
    }
    
    .search-box button {
        padding: 8px !important;
        min-width: 36px !important;
        height: 36px !important;
    }

    .results {
        grid-template-columns: 1fr;
    }

    .player-main {
        grid-template-columns: 1fr;
        gap: 16px;
        text-align: center;
    }

    .player-info {
        order: -1;
        align-items: center;
    }

    .quote-container {
        margin: 1.25rem auto 0;
        padding: 1.25rem;
        width: calc(100% - 2rem);
        min-height: 100px;
        border-radius: 1rem !important;
        backdrop-filter: blur(8px) saturate(160%) !important;
        -webkit-backdrop-filter: blur(8px) saturate(160%) !important;
        border: 1px solid rgba(255, 255, 255, 0.3) !important;
        box-shadow: 0 6px 20px rgba(31, 38, 135, 0.12), 
                   inset 0 2px 8px rgba(255, 255, 255, 0.15) !important;
        transition: all 0.3s ease;
    }
    
    .quote-text {
        font-size: 14px !important;
        line-height: 1.5;
        margin: 0 0 0.5rem 0;
        padding: 0;
        color: rgba(255, 255, 255, 0.95);
        font-weight: 500;
    }
    
    .quote-author {
        font-size: 12px !important;
        color: rgba(255, 255, 255, 0.8) !important;
    }
    
    .quote-container::before {
        opacity: 0.6;
        background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0.05) 100%) !important;
    }
    
    .quote-container::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(255, 255, 255, 0.06);
        border-radius: inherit;
        backdrop-filter: blur(0.5px);
        box-shadow: inset -6px -4px 0px -11px rgba(255, 255, 255, 0.8), 
                   inset 0px -6px 0px -8px rgba(255, 255, 255, 0.5);
        opacity: 0.5;
        z-index: -1;
        filter: blur(0.5px) brightness(115%);
        transition: all 0.3s ease;
    }
    
    .quote-container:active {
        transform: scale(0.98) !important;
        background: rgba(255, 255, 255, 0.12) !important;
        box-shadow: 0 4px 12px rgba(31, 38, 135, 0.1), 
                   inset 0 1px 4px rgba(255, 255, 255, 0.15) !important;
    }

    .lyrics-container {
        bottom: 180px;
        height: 80px;
    }

    .lyrics-line {
        font-size: 13px;
    }

    .lyrics-line.active {
        font-size: 15px;
    }

    .sidebar-toggle {
        display: flex;
    }

    .sidebar-overlay.active {
        display: block;
    }

    .player-right-controls {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    .volume-control {
        width: 100%;
        justify-content: center;
    }

    /* 搜索结果页面布局 */
    .results-container {
        height: calc(100vh - 81px);
        display: flex;
        flex-direction: column;
    }
    
    /* 搜索结果列表 */
    .results-list {
        padding: 10px;
        max-height: 50vh;
        overflow-y: auto;
        border-right: none;
        border-bottom: 1px solid var(--glass-border);
    }
    
    /* 播放器区域 */
    .player-section {
        padding: 10px;
    }
    
    .player-container {
        padding: 1.25rem;
        min-height: 180px;
        border-radius: 1rem !important;
        backdrop-filter: blur(8px) saturate(160%) !important;
        -webkit-backdrop-filter: blur(8px) saturate(160%) !important;
        border: 1px solid rgba(255, 255, 255, 0.3) !important;
        margin: 0 0 10px;
        width: 100%;
        box-sizing: border-box;
    }
    
    .player-container::before,
    .player-container::after {
        border-radius: 1rem !important;
    }
    
    /* 控制按钮 */
    .control-buttons {
        gap: 16px;
    }
    
    .control-button,
    #playPauseBtn {
        width: 48px;
        height: 48px;
    }
    
    /* 歌词显示区 */
    .lyrics-display {
        max-height: 30vh;
        min-height: 150px !important;
        padding: 15px;
        border-radius: 0.8rem !important;
        margin: 0 10px 10px;
        backdrop-filter: blur(6px) saturate(160%) !important;
        -webkit-backdrop-filter: blur(6px) saturate(160%) !important;
        border: 1px solid rgba(255, 255, 255, 0.3) !important;
    }
    
    .lyrics-display::before,
    .lyrics-display::after {
        border-radius: 0.8rem !important;
    }
    
    /* 搜索结果卡片 */
    .song-card {
        padding: 1rem;
        margin-bottom: 0.75rem;
        border-radius: 1rem !important;
        backdrop-filter: blur(8px) saturate(160%) !important;
        -webkit-backdrop-filter: blur(8px) saturate(160%) !important;
        border-width: 1px !important;
    }
    
    .song-card::before,
    .song-card::after {
        border-radius: 1rem !important;
    }
    
    /* 播放器控制器 */
    .player-main {
        grid-template-columns: 1fr;
        gap: 16px;
        text-align: center;
    }
    
    .player-info {
        padding-right: 0;
    }
    
    .player-right-controls {
        justify-content: center;
    }
    
    /* 设备方向切换处理 */
    @media (orientation: landscape) {
        .results-container {
            flex-direction: row;
            height: calc(100vh - 60px);
        }
        
        .results-list {
            width: 50%;
            max-height: none;
            border-right: 1px solid var(--glass-border);
            border-bottom: none;
        }
        
        .player-section {
            width: 50%;
        }
    }
}

/* 桌面端隐藏移动端元素 */
@media screen and (min-width: 769px) {
    .sidebar-toggle {
        display: none;
    }

    .sidebar-overlay {
        display: none;
    }
}

/* 安全区域适配 */
@supports (padding: env(safe-area-inset-bottom)) {
    @media screen and (max-width: 768px) {
        .player-container {
            padding-bottom: calc(1.25rem + env(safe-area-inset-bottom));
            margin-bottom: 0;
            border-bottom-left-radius: 0 !important;
            border-bottom-right-radius: 0 !important;
        }

        .main-container {
            padding-top: calc(20px + env(safe-area-inset-top));
            padding-bottom: calc(200px + env(safe-area-inset-bottom));
        }
    }
}

/* 触摸设备优化 */
@media (hover: none) {
    .song-card:active {
        transform: scale(0.98) !important;
        background: rgba(255, 255, 255, 0.2) !important;
        box-shadow: 0 4px 16px rgba(31, 38, 135, 0.15), 
                   inset 0 2px 10px rgba(255, 255, 255, 0.2) !important;
    }
    
    .control-button:active,
    #playPauseBtn:active {
        transform: scale(0.9);
        opacity: 0.8;
    }
}