:root {
            --primary-color: #4DB6AC;
            --read-bg: #FDF8F2; /* 护眼背景色 */
            --text-main: #333;
            --text-content: #444;
            --border-color: #E0E0E0;
        }

        html {
            font-size: 16px;
        }

        body {
            margin: 0;
            padding: 0;
            background-color: #f0f2f5;
            font-family: 'PingFang SC', -apple-system, sans-serif;
            color: var(--text-main);
            line-height: 1.8;
        }
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: #fff;
            min-height: 100vh;
            box-shadow: 0 0 20px rgba(0, 0, 0, 0.05);
        }

        /* 顶部导航 */
        .reader-nav-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0.8rem 1rem;
            background: #fff;
            border-bottom: 1px solid var(--border-color);
        }

        .nav-btn-mini {
            border: 1px solid var(--primary-color);
            color: var(--primary-color);
            padding: 0.2rem 1rem;
            border-radius: 1rem;
            font-size: 0.85rem;
            text-decoration: none;
        }

        .current-chapter-info {
            font-size: 0.9rem;
            color: #666;
            font-weight: 500;
        }

        /* 正文区域 */
        .reading-area {
            background-color: var(--read-bg);
            padding: 1.5rem 1.2rem;
        }

        .article-title {
            font-size: 1.3rem;
            font-weight: bold;
            margin-bottom: 1.5rem;
            line-height: 1.4;
            color: #1a1a1a;
        }

        .article-content p {
            margin-bottom: 1.5rem;
            font-size: 1.05rem;
            color: var(--text-content);
            text-align: justify;
        }

        /* 翻页控制 */
        .page-controls {
            display: flex;
            gap: 0.8rem;
            padding: 1.5rem 1rem;
            background: var(--read-bg);
        }

        .ctrl-btn {
            flex: 1;
            text-align: center;
            padding: 0.6rem 0;
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            text-decoration: none;
            color: #555;
            font-size: 0.9rem;
            transition: all 0.2s;
        }

        .ctrl-btn:active {
            background: #f0f0f0;
            border-color: var(--primary-color);
        }

        /* 目录部分 */
        .section-header {
            padding: 1rem;
            font-size: 1.1rem;
            font-weight: bold;
            background: #fff;
            display: flex;
            align-items: center;
            border-top: 8px solid #f0f2f5;
        }

        .section-header::before {
            content: "";
            width: 4px;
            height: 1.1rem;
            background: var(--primary-color);
            margin-right: 0.6rem;
            border-radius: 2px;
        }

        .directory-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0.5rem;
            padding: 1rem;
            background: #fff;
        }

        .dir-item {
            border: 1px solid #eee;
            text-align: center;
            padding: 0.5rem 0;
            font-size: 0.85rem;
            color: #666;
            border-radius: 2px;
        }

        /* 相关推荐 */
        .recommend-list {
            padding: 0 1rem 2rem 1rem;
            background: #fff;
        }

        .rec-row {
            display: flex;
            justify-content: space-between;
            padding: 0.8rem 0;
            border-bottom: 1px solid #f5f5f5;
            font-size: 0.9rem;
        }

        .rec-row .title {
            color: #444;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 75%;
        }

        .rec-row .tag {
            color: var(--primary-color);
            margin-right: 0.3rem;
        }

        .rec-row .count {
            color: #bbb;
            font-size: 0.8rem;
        }

        .article-content {
            font-size: 18px;
        }

        .article-content p {
            margin: 2rem 0;
            line-height: 150%;
            text-indent: 2em;
            margin-block-start: 0.7em !important;
            margin-block-end: 0.7em !important;
            font-family: Helvetica, Droidsansfallback, Droid Sans, Retina, arial, PingFangTC, "Microsoft JhengHei", Arial, sans-serif, "PingFangTC", "Microsoft JhengHei", Arial, sans-serif !important;
        }