.responsive-image{height:auto;max-height:400px;max-width:100%;width:auto}.modal-overlay{align-items:center;background:rgba(0,0,0,.4);display:none;height:100%;justify-content:center;left:0;position:fixed;top:0;width:100%;z-index:1000}.modal{background:#fff;border-radius:8px;box-shadow:0 6px 12px rgba(0,0,0,.3);box-sizing:border-box;max-width:500px;padding:20px;position:relative;text-align:center;width:90%}.modal h2{color:#333;font-size:24px;margin-top:0}.modal p{color:#666;margin:10px 0}.modal .amount{color:#e74c3c;font-size:28px;font-weight:700;margin:10px 0}.btnnnn{background-color:#007bff;border-radius:8px;color:#fff;display:inline-block;font-size:16px;margin-top:20px;padding:12px 24px;text-align:center;text-decoration:none}.btnnnn:hover{background-color:#0056b3}.close-btn{color:#007bff;cursor:pointer;font-size:16px;margin-top:15px}.close-btn:hover{color:#0056b3}.markdown-body p img{max-width:350px}.markdown-body{user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none}:not(pre)>code[class*=language-]{white-space:inherit!important}.vditor-reset>pre>code,pre.line-numbers,pre.linenums{max-height:max-content!important}code[class*=language-],pre[class*=language-]{white-space:pre-wrap!important}.username{bottom:22px;color:#555;font-size:19px;position:absolute;right:18px}.search_result_title{color:#00c;font-size:medium;font-weight:400;line-height:26px}.search_result_info a{color:green}#mermaidModal{background:#fff;border:1px solid #ccc;display:none;left:50%;max-height:90%;max-width:90%;overflow:auto;position:fixed;top:50%;transform:translate(-50%,-50%);width:80%;z-index:9999}#mermaidModal img{height:auto;max-height:100%;max-width:100%;width:100%}#closeModal{cursor:pointer;font-size:20px;position:absolute;right:10px;top:10px}@media (max-width:768px){#mermaidModal{max-height:80%;max-width:95%;width:90%}}@media (max-width:480px){#mermaidModal{max-height:70%;width:95%}}.article-toc-nav{background:#f8f9fa;border:1px solid #e9ecef;border-left:4px solid #667eea;border-radius:8px;margin:20px 0 24px;padding:16px 20px}.article-toc-title{color:#333;font-size:1rem;font-weight:600;margin:0 0 12px}.article-toc-list{line-height:1.6;list-style:none;margin:0;padding:0}.article-toc-item{margin:6px 0}.article-toc-item a{color:#495057;font-size:.95rem;text-decoration:none}.article-toc-item a:hover{color:#667eea}.article-toc-h3{padding-left:12px}.article-toc-h4{padding-left:24px}.article-toc-h5{padding-left:36px}.article-toc-h6{padding-left:48px}