:root {
            --primary-color: #4DB6AC;
            --bg-color: #F8F9FA;
            --text-main: #333;
            --text-sub: #888;
            --border-color: #E0E0E0;
            --card-bg: #FFFFFF;
        }

        body {
            margin: 0;
            background-color: #f0f2f5;
            font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
            color: var(--text-main);
        }
a {
    color: inherit; /* 继承父元素字体颜色 */
    text-decoration: none; /* 去掉下划线 */
}
        .app-wrapper {
            max-width: 500px;
            margin: 0 auto;
            background-color: var(--bg-color);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            box-shadow: 0 0 20px rgba(0,0,0,0.05);
        }

        /* 顶部标题栏 - 保持统一 */
        .app-header {
            background: #fff;
            padding: 1rem;
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 10;
        }
        .back-btn {
            font-size: 1.6rem;
            color: var(--text-main);
            text-decoration: none;
            width: 30px;
            display: flex;
            align-items: center;
        }
        .header-title {
            flex: 1;
            font-size: 1.1rem;
            font-weight: 600;
            text-align: center;
            margin-right: 30px; /* 补偿返回键宽度以居中 */
        }

        /* 列表区域 - 直接沿用首页卡片样式 */
        .book-list {
            background: #fff;
            padding: 0 1rem;
            flex: 1;
        }
        .book-card {
            display: flex;
            padding: 1.2rem 0;
            border-bottom: 1px solid #f1f1f1;
            text-decoration: none;
            color: inherit;
        }
        .book-card:last-child { border-bottom: none; }

        .book-cover {
            width: 4.5rem;
            height: 6rem;
            background: linear-gradient(135deg, #a7ffeb 0%, #4db6ac 100%);
            border-radius: 4px;
            margin-right: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255,255,255,0.9);
            font-size: 0.75rem;
            flex-shrink: 0;
            box-shadow: 2px 4px 8px rgba(0,0,0,0.1);
            text-align: center;
            padding: 0 4px;
            box-sizing: border-box;
        }

        .book-detail {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .book-title {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: #222;
            line-height: 1.3;
        }
        .book-meta {
            font-size: 0.8rem;
            color: var(--text-sub);
            margin-bottom: 0.3rem;
        }
        .book-status {
            font-size: 0.8rem;
            color: var(--primary-color);
            font-weight: 500;
        }

        /* 底部加载占位 */
        .loading-tip {
            text-align: center;
            padding: 2rem;
            color: #bbb;
            font-size: 0.85rem;
            background: var(--bg-color);
        }