.container { margin: 0 auto; padding: 0 15px; }
        .breadcrumb { padding: 10px 0; font-size: 0.95rem; }
        .breadcrumb a { color: #2b5a3a; text-decoration: none; }
        .breadcrumb .separator { margin: 0 5px; color: #999; }
        .two-col-layout { display: flex; flex-wrap: wrap; gap: 30px; margin-top: 20px; }
        .card-panel { flex: 2; min-width: 0; background: #fff; border-radius: 12px; box-shadow: 0 2px 8px rgba(0,0,0,0.08); padding: 20px; }
        .sidebar-wrapper { flex: 1; min-width: 280px; display: flex; flex-direction: column; gap: 20px; }
        .sidebar-card { background: #f9f7f4; border-radius: 12px; overflow: hidden; }
        .sidebar-header { background: #2b5a3a; color: #fff; padding: 12px 18px; font-weight: 600; }
        .sidebar-content { padding: 16px; line-height: 1.7; }

        /* 诗句标题 */
        .mingju-title { font-size: 1.8rem; font-weight: 700; color: #2b5a3a; margin-bottom: 10px; }
        .mingju-meaning { background: #fefaf5; padding: 12px 16px; border-radius: 20px; border-left: 4px solid #e7bc4a; margin-bottom: 16px; }
        .mingju-meaning strong { color: #0f81af; }
        .mingju-source { font-weight: 500; color: #0f2887; font-size: 1.1rem; margin-bottom: 20px; }
        .section-box { margin: 20px 0; padding: 12px 16px; background: #fcf8f0; border-radius: 20px; }
        .section-box h3 { font-size: 1.2rem; font-weight: 600; color: #b35f1a; margin-bottom: 8px; }
        .section-box .content { line-height: 1.8; }
        .section-title { font-size: 1.3rem; font-weight: 600; color: #2b5a3a; border-bottom: 2px solid #e7bc4a; padding-bottom: 6px; margin-bottom: 16px; }
        .related-list { list-style: none; padding: 0; }
        .related-list li { padding: 8px 0; border-bottom: 1px dashed #f0e6da; }
        .related-list a { text-decoration: none; color: #2b5a3a; font-weight: 500; }
        .related-list .poem-info { color: #724e16; font-size: 0.9rem; }

        /* 关键词卡片 */
        .keywords-grid { display: flex; flex-wrap: wrap; gap: 16px; }
        .keyword-card { flex: 1 1 calc(33.333% - 16px); min-width: 200px; background: #fef9f0; border-radius: 16px; padding: 12px; border: 1px solid #efe1cf; }
        .keyword-card h4 { font-size: 1.1rem; font-weight: 700; color: #b35f1a; margin-bottom: 6px; }
        .keyword-card .detail-link { text-align: right; margin-top: 6px; }
        .keyword-card .detail-link a { color: #2b5a3a; text-decoration: none; font-weight: 500; }

        /* 侧边栏原文 */
        .poem-original { line-height: 1.8; font-size: 1rem; }

        /* 作者头像 */
        .author-avatar { float: right; width: 100px; border-radius: 15%; margin: 0 0 10px 15px; border: 1px solid #c7c7c7; }

        /* 链接按钮 */
        .btn-profile { font-size: 0.9rem; color: #ffecbf; text-decoration: none; background: #dba339; padding: 2px 16px; border-radius: 30px; }

        /* 响应式 */
        @media (max-width: 768px) {
            .two-col-layout { flex-direction: column; }
            .sidebar-wrapper { min-width: 0; }
            .keyword-card { flex: 1 1 100%; }
        }