:root {
            --bg-color: #f5f5f5;
            --text-color: #333;
            --card-bg: #fff;
            --border-color: #e0e0e0;
            --accent-color: #2196f3;
            --shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }

        .dark-theme {
            --bg-color: #121212;
            --text-color: #e0e0e0;
            --card-bg: #1e1e1e;
            --border-color: #333;
            --accent-color: #64b5f6;
            --shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            transition: background-color 0.3s, color 0.3s;
        }

        body {
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--bg-color);
            color: var(--text-color);
            line-height: 1.6;
            padding: 20px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }

        .container {
            width: 100%;
            max-width: 900px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
            width: 100%;
        }

        h1 {
            font-size: 1.5rem;
            font-weight: 600;
        }

        .theme-toggle {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            color: var(--text-color);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            z-index: 100;
            position: relative;
        }

        .player-container {
            background-color: var(--card-bg);
            border-radius: 8px;
            box-shadow: var(--shadow);
            overflow: hidden;
            width: 100%;
            position: relative;
        }

        #artplayer {
            width: 100%;
            height: 0;
            padding-bottom: 56.25%;
            /* 16:9 aspect ratio */
            position: relative;
        }

        #artplayer>div {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
        }

        .episodes-container {
            background-color: var(--card-bg);
            border-radius: 8px;
            box-shadow: var(--shadow);
            padding: 15px;
        }

        .episodes-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-color);
        }

        .episodes-title {
            font-size: 1.1rem;
            font-weight: 600;
        }

        .episodes-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
            gap: 10px;
            max-height: 200px;
            overflow-y: auto;
            padding: 5px;
        }

        .episode-btn {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            color: var(--text-color);
            padding: 8px 5px;
            border-radius: 4px;
            cursor: pointer;
            text-align: center;
            font-size: 0.9rem;
            transition: all 0.2s;
        }

        .episode-btn:hover {
            background-color: var(--border-color);
        }

        .episode-btn.active {
            background-color: var(--accent-color);
            color: white;
            border-color: var(--accent-color);
        }

        .special-container {
            margin-top: 20px;
        }

        /* 移动端适配 */
        @media (max-width: 768px) {
            body {
                padding: 10px;
            }

            .container {
                gap: 15px;
            }

            header {
                padding: 5px 0;
            }

            h1 {
                font-size: 1.3rem;
            }

            .episodes-list {
                grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
                max-height: 150px;
            }
        }

        @media (max-width: 480px) {
            header {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }

            .theme-toggle {
                position: absolute;
                top: 10px;
                right: 10px;
            }

            .episodes-list {
                grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
                gap: 8px;
            }

            .episode-btn {
                padding: 6px 4px;
                font-size: 0.8rem;
            }
        }