* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
        }

        body {
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            color: #333;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* 下拉菜单样式 */
        .dropdown {
            position: relative;
            display: inline-block;
        }

        .dropdown-content {
            display: none;
            position: absolute;
            background-color: #f9f9f9;
            min-width: 160px;
            box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
            z-index: 1;
            border-radius: 4px;
            overflow: hidden;
        }

        .dropdown-content a {
            color: black;
            padding: 12px 16px;
            text-decoration: none;
            display: block;
            transition: background-color 0.3s;
        }

        .dropdown-content a:hover {
            background-color: #f1f1f1;
        }

        .dropdown:hover .dropdown-content {
            display: block;
        }

        /* 确保导航栏链接样式一致 */
        .nav-links li {
            position: relative;
        }

        .nav-links li a {
            display: block;
            padding: 10px 15px;
            text-decoration: none;
        }

        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 8%;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }

        .logo {
            font-size: 24px;
            font-weight: 700;
            color: #000;
            letter-spacing: -0.5px;
            text-decoration: none;
        }

        .logo span {
            color: #007AFF;
        }

        .nav-links {
            display: flex;
            list-style: none;
        }

        .nav-links li a {
            color: #333;
            text-decoration: none;
            margin: 0 15px;
            font-weight: 500;
            transition: color 0.3s;
        }

        .nav-links li a:hover {
            color: #007AFF;
        }

        .container {
            display: flex;
            flex: 1;
            padding: 20px;
            gap: 20px;
            max-width: 1600px;
            margin: 0 auto;
            width: 100%;
        }

        .sidebar {
            width: 280px;
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            padding: 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            height: fit-content;
        }

        .sidebar-section {
            margin-bottom: 30px;
        }

        .sidebar-section h3 {
            font-size: 16px;
            color: #888;
            margin-bottom: 15px;
            padding-left: 10px;
        }

        .sidebar-item {
            display: flex;
            align-items: center;
            padding: 12px 15px;
            border-radius: 12px;
            margin-bottom: 5px;
            cursor: pointer;
            transition: background 0.2s;
        }

        .sidebar-item:hover {
            background: rgba(0, 122, 255, 0.1);
        }

        .sidebar-item.active {
            background: rgba(0, 122, 255, 0.15);
            color: #007AFF;
        }

        .sidebar-item i {
            margin-right: 12px;
            font-size: 18px;
        }

        .main-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .playlist-header {
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            padding: 30px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
        }

        .playlist-header h2 {
            font-size: 28px;
            margin-bottom: 10px;
        }

        .playlist-header p {
            color: #666;
            margin-bottom: 20px;
        }

        .playlist-header .actions {
            display: flex;
            gap: 15px;
        }

        .btn {
            padding: 12px 25px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
        }

        .btn-primary {
            background: #007AFF;
            color: white;
        }

        .btn-primary:hover {
            background: #0056CC;
        }

        .btn-secondary {
            background: rgba(0, 0, 0, 0.05);
            color: #333;
        }

        .btn-secondary:hover {
            background: rgba(0, 0, 0, 0.1);
        }

        .songs-list {
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            padding: 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            flex: 1;
        }

        .song-item {
            display: flex;
            align-items: center;
            padding: 15px;
            border-radius: 12px;
            margin-bottom: 8px;
            transition: background 0.2s;
        }

        .song-item:hover {
            background: rgba(0, 0, 0, 0.03);
        }

        .song-item.active {
            background: rgba(0, 122, 255, 0.1);
        }

        .song-item img {
            width: 50px;
            height: 50px;
            border-radius: 8px;
            object-fit: cover;
            margin-right: 15px;
        }

        .song-info {
            flex: 1;
        }

        .song-info h4 {
            font-size: 16px;
            margin-bottom: 5px;
        }

        .song-info p {
            font-size: 14px;
            color: #666;
        }

        .song-duration {
            color: #888;
            margin: 0 15px;
        }

        .lyrics-panel {
            width: 450px;
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            padding: 25px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            height: fit-content;
            display: flex;
            flex-direction: column;
        }

        .lyrics-panel h3 {
            margin-bottom: 20px;
            text-align: center;
            color: #333;
        }

        .lyrics-container {
            flex: 1;
            overflow-y: auto;
            max-height: 400px;
            padding: 10px;
            text-align: center;
        }

        .lyric-line {
            margin-bottom: 15px;
            font-size: 16px;
            line-height: 1.6;
            color: #888;
            transition: all 0.3s;
        }

        .lyric-line.active {
            color: #007AFF;
            font-weight: 600;
            font-size: 18px;
            transform: scale(1.05);
        }

        .player-controls {
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(10px);
            padding: 20px;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            margin: 20px 60px 0px 60px;
            display: flex;
            align-items: center;
        }

        .song-info-small {
            display: flex;
            align-items: center;
            width: 30%;
        }

        .song-info-small img {
            width: 60px;
            height: 60px;
            border-radius: 10px;
            object-fit: cover;
            margin-right: 15px;
        }

        .song-info-small div h4 {
            font-size: 16px;
            margin-bottom: 5px;
        }

        .song-info-small div p {
            font-size: 14px;
            color: #666;
        }

        .playback-controls {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .control-buttons {
            display: flex;
            align-items: center;
            gap: 25px;
            margin-bottom: 10px;
        }

        .control-buttons button {
            background: none;
            border: none;
            cursor: pointer;
            font-size: 20px;
            color: #333;
            transition: color 0.2s;
        }

        .control-buttons button:hover {
            color: #007AFF;
        }

        .control-buttons .play-pause {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: #007AFF;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 24px;
        }

        .control-buttons .play-pause:hover {
            background: #0056CC;
        }

        .progress-container {
            width: 100%;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .progress-time {
            font-size: 12px;
            color: #666;
            min-width: 40px;
        }

        .progress-bar {
            flex: 1;
            height: 4px;
            background: rgba(0, 0, 0, 0.1);
            border-radius: 2px;
            cursor: pointer;
            position: relative;
        }

        .progress {
            height: 100%;
            background: #007AFF;
            border-radius: 2px;
            width: 30%;
        }

        .volume-controls {
            width: 20%;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .volume-icon {
            color: #666;
            font-size: 20px;
        }

        .volume-bar {
            flex: 1;
            height: 4px;
            background: rgba(0, 0, 0, 0.1);
            border-radius: 2px;
            cursor: pointer;
            position: relative;
        }

        .volume-level {
            height: 100%;
            background: #007AFF;
            border-radius: 2px;
            width: 70%;
        }

        @media (max-width: 1200px) {
            .container {
                flex-direction: column;
            }

            .sidebar,
            .lyrics-panel {
                width: 100%;
            }

            .player-controls {
                flex-wrap: wrap;
            }

            .song-info-small,
            .volume-controls {
                width: 100%;
                margin-bottom: 15px;
            }
        }

        .footer {
            text-align: center;
            padding: 30px;
            color: #666;
            margin-top: auto;
        }