/* --- 基础设定 --- */
        :root {
            --primary: #111;
            --secondary: #555;
            --gold: #c5a47e; /* 更沉稳的香槟金 */
            --gold-gradient: linear-gradient(135deg, #d4af37 0%, #f3e5b5 50%, #b88a4d 100%);
            --bg: #fcfcfc;
            --light-gray: #f4f4f4;
        }

        body {
            margin: 0;
            font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Microsoft YaHei", sans-serif;
            background-color: var(--bg);
            color: var(--primary);
            line-height: 1.6;
            background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.04'/%3E%3C/svg%3E");
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        h2.section-title {
            font-size: 32px;
            font-weight: 300;
            text-align: center;
            margin-bottom: 60px;
            letter-spacing: 2px;
            position: relative;
            padding-top: 30px;
        }
        
        h2.section-title::after {
            content: '';
            display: block;
            width: 40px;
            height: 2px;
            background: var(--gold);
            margin: 20px auto 0;
        }

        /* --- 音乐列表样式 --- */
        .music-list-container {
            /*background: #1a1a1a;*/
            color: #fff;
            padding: 30px 0;
            margin-bottom: 0px;
        }
        
        .music-list-wrapper {
            max-width: 1200px;
            margin: 0 auto;
        }

        .music-filter {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }
        
        .filter-btn {
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.3);
            color: #fff;
            padding: 8px 20px;
            border-radius: 20px;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .filter-btn.active, .filter-btn:hover {
            background: var(--gold);
            border-color: var(--gold);
            color: #000;
        }

        .tracks-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .track-card {
			background: #252525;
            /*background: rgba(255,255,255,0.05);background: #1a1a1a;*/
            border-radius: 8px;
            padding: 20px;
            backdrop-filter: blur(10px);
            transition: all 0.3s;
            border: 1px solid rgba(255,255,255,0.1);
        }
        
        .track-card:hover {
			background: #1a1a1a;
            /*background: rgba(255,255,255,0.1);*/
            border-color: var(--gold);
            transform: translateY(-5px);
        }

        .track-header {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
        }
        
        .play-icon-large {
            width: 40px;
            height: 40px;
            border: 1px solid var(--gold);
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            margin-right: 15px;
            color: var(--gold);
            font-size: 14px;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .play-icon-large:hover {
            background: var(--gold);
            color: #000;
        }

        .track-main-info {
            flex-grow: 1;
        }
        
        .track-title {
            font-weight: 500;
            font-size: 16px;
            margin: 0 0 5px 0;
            display: block;
        }
        
        .track-artist {
            font-size: 13px;
            color: #aaa;
            margin: 0;
        }

        .track-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 15px;
        }
        
        .track-tag {
            font-size: 11px;
            padding: 3px 10px;
            background: rgba(197, 164, 126, 0.2);
            border-radius: 12px;
            color: var(--gold);
        }

        .track-description {
            font-size: 13px;
            color: #ccc;
            margin-bottom: 15px;
            line-height: 1.5;
        }

        .waveform-container {
            display: flex;
            align-items: flex-end;
            height: 30px;
            gap: 2px;
            margin: 10px 0;
        }
        
        .bar {
            width: 4px;
            background-color: var(--gold);
            animation: sound 1.2s infinite ease-in-out;
        }
        
        .bar:nth-child(1) { height: 10px; animation-delay: 0.1s; }
        .bar:nth-child(2) { height: 18px; animation-delay: 0.2s; }
        .bar:nth-child(3) { height: 12px; animation-delay: 0.3s; }
        .bar:nth-child(4) { height: 6px; animation-delay: 0.4s; }
        .bar:nth-child(5) { height: 14px; animation-delay: 0.5s; }
        .bar:nth-child(6) { height: 20px; animation-delay: 0.6s; }
        .bar:nth-child(7) { height: 16px; animation-delay: 0.7s; }
        .bar:nth-child(8) { height: 8px; animation-delay: 0.8s; }
        
        @keyframes sound {
            0%, 100% { height: 5px; opacity: 0.5; }
            50% { height: 25px; opacity: 1; }
        }

        /* 响应式 */
        @media (max-width: 1199px) and (min-width: 769px) {
            .tracks-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (max-width: 768px) {
            .tracks-grid {
                grid-template-columns: 1fr;
            }
            h2.section-title {
                padding-top: 40px;
            }
            .music-filter {
                justify-content: flex-start;
            }
        }