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cubic-bezier(.16,1,.3,1);display:flex;position:absolute;bottom:24px;right:22px;box-shadow:0 4px 16px #0000001a,0 1px 3px #0000000d}.back-to-top-btn:hover{color:var(--primary);border-color:var(--primary);background:#fff;transform:translateY(-3px);box-shadow:0 6px 20px #00000024}.back-to-top-btn:active{transform:translateY(0)}.header-right{align-items:center;gap:6px;display:flex}.theme-selector-wrap{border:1px solid var(--border-subtle);border-radius:var(--radius-sm);background:#f8fafc;align-items:center;gap:5px;height:24px;padding:1px 6px;display:flex}.theme-color-indicator{border-radius:50%;width:8px;height:8px;display:inline-block}.theme-select{color:#334155;cursor:pointer;background:0 0;border:none;outline:none;padding:1px 3px;font-size:11.5px;font-weight:500}.tool-btn.precheck-btn.has-warnings{color:#d97706}.tool-btn.precheck-btn.has-errors{color:#dc2626}.badge-count{color:#fff;background:#ef4444;border-radius:8px;padding:0 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14px;font-size:11px;font-weight:600;display:flex}.status-time{font-size:11px;font-weight:600}.status-icons{align-items:center;gap:6px;display:flex}.signal-icon{letter-spacing:-.02em;font-size:9.5px;font-weight:700}.battery-icon{font-size:12px}.mobile-screen-scroll{background:#fff;flex:1;padding:16px 16px 80px;overflow:hidden auto}.mobile-screen-scroll::-webkit-scrollbar{width:4px}.mobile-screen-scroll::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:2px}.mobile-phone-footer{background:#fff;border-top:1px solid #f8fafc;flex-shrink:0;padding:6px 0 8px}.phone-home-indicator{opacity:.6;background:#0f172a;border-radius:2px;width:120px;height:4px;margin:0 auto}.md2post-table-wrapper{-webkit-overflow-scrolling:touch;background:#fff;border:1px solid #e2e8f0;border-radius:8px;max-width:100%;margin:18px 0;overflow-x:auto}.md2post-table{border-collapse:collapse;text-align:left;width:100%;min-width:520px;font-size:13.5px}.md2post-table th{background-color:var(--primary);color:#fff;border:1px solid var(--primary);white-space:nowrap;padding:9px 13px;font-size:13.5px;font-weight:600}.md2post-table td{white-space:nowrap;color:#334155;border:1px solid #e2e8f0;padding:8px 12px;font-size:13px}.md2post-table tr:nth-child(2n){background-color:#f8fafc}.md2post-table tr:hover{background-color:#f1f5f9}.md2post-mindmap-card{border:1px solid var(--border-subtle);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);background:#fff;margin:1em 0;padding:14px}.mindmap-header{border-bottom:1px dashed #e2e8f0;justify-content:space-between;align-items:center;margin-bottom:10px;padding-bottom:8px;display:flex}.mindmap-title-row{color:#1e293b;align-items:center;gap:6px;font-size:14px;font-weight:700;display:flex}.mindmap-badge{border-radius:8px;padding:2px 6px;font-size:10.5px;font-weight:600}.mindmap-content{flex-direction:column;gap:8px;display:flex}.mindmap-node-block{flex-direction:column;gap:6px;display:flex}.mindmap-node-pill{color:#334155;border-left:3px solid #cbd5e1;border-radius:4px;align-items:center;gap:6px;width:fit-content;padding:4px 10px;font-size:13px;font-weight:500;display:inline-flex}.node-dot{border-radius:50%;width:6px;height:6px}.mindmap-children-list{border-left:1px dashed #e2e8f0;flex-direction:column;gap:4px;margin-left:10px;padding-left:18px;display:flex}.mermaid-diagram-wrap{border:1px solid var(--border-subtle);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);background:#fff;margin:1.2em 0;overflow:hidden}.diagram-toolbar{border-bottom:1px solid var(--border-subtle);background:#f8fafc;justify-content:space-between;align-items:center;padding:4px 10px;display:flex}.diagram-label{color:#64748b;text-transform:uppercase;font-size:10.5px;font-weight:600}.diagram-export-btn{color:#334155;cursor:pointer;background:#fff;border:1px solid #cbd5e1;border-radius:3px;padding:2px 6px;font-size:10.5px;font-weight:500}.diagram-export-btn:hover{background:#f1f5f9}.diagram-img-container{background:#fff;justify-content:center;align-items:center;padding:16px 12px;display:flex;overflow-x:auto}.mermaid-img{border-radius:4px;max-width:100%;height:auto;margin:0 auto;display:block}.diagram-svg-container{justify-content:center;padding:12px;display:flex;overflow-x:auto}.diagram-svg-container svg{max-width:100%!important;height:auto!important}.md2post-mermaid-error{border-radius:var(--radius-sm);background:#fff5f5;border:1px solid #fed7d7;margin:1em 0;padding:10px}.err-header{color:#c53030;margin-bottom:2px;font-size:13px;font-weight:600}.err-desc{color:#742a2a;margin-bottom:6px;font-size:11.5px}.err-code{color:#e2e8f0;background:#2d3748;border-radius:4px;padding:8px;font-size:11.5px;overflow-x:auto}.modal-backdrop{-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);z-index:1000;background:#0f172a73;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-dialog{border-radius:var(--radius-md);box-shadow:var(--shadow-lg);background:#fff;flex-direction:column;max-height:85vh;display:flex}.precheck-dialog{width:640px}.articles-dialog{width:680px}.settings-dialog{width:660px}.modal-header{border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:center;padding:14px 20px;display:flex}.modal-title-wrap{align-items:center;gap:8px;display:flex}.modal-title-wrap h3{color:#0f172a;font-size:15px;font-weight:700}.modal-icon{font-size:18px}.modal-close-btn{color:#94a3b8;cursor:pointer;background:0 0;border:none;font-size:20px;line-height:1}.modal-close-btn:hover{color:#0f172a}.modal-body{padding:18px 20px;overflow-y:auto}.modal-footer{border-top:1px solid var(--border-subtle);border-radius:0 0 var(--radius-md) var(--radius-md);background:#fafafa;justify-content:flex-end;align-items:center;gap:10px;padding:12px 20px;display:flex}.primary-modal-btn{background:var(--primary);color:#fff;border-radius:var(--radius-sm);cursor:pointer;border:none;padding:6px 14px;font-size:12.5px;font-weight:600}.primary-modal-btn:hover{opacity:.9}.secondary-modal-btn{color:#334155;border:1px solid var(--border-strong);border-radius:var(--radius-sm);cursor:pointer;background:#fff;padding:6px 12px;font-size:12px;font-weight:500}.danger-btn{color:#dc2626;border-radius:var(--radius-sm);cursor:pointer;background:#fee2e2;border:1px solid #fca5a5;padding:6px 12px;font-size:12px;font-weight:600}.precheck-summary-bar{border-bottom:1px solid var(--border-subtle);background:#f8fafc;justify-content:space-between;align-items:center;padding:10px 20px;display:flex}.summary-stat-box{align-items:center;gap:8px;display:flex}.stat-label{color:#64748b;font-size:12px;font-weight:500}.stat-badge{border-radius:10px;padding:2px 8px;font-size:12px;font-weight:600}.badge-ok{color:#15803d;background:#dcfce7}.badge-danger{color:#b91c1c;background:#fee2e2}.filter-pill-group{gap:4px;display:flex}.pill-btn{color:#475569;cursor:pointer;background:#fff;border:1px solid #cbd5e1;border-radius:12px;padding:2px 8px;font-size:11px}.pill-btn.active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}.precheck-list{flex-direction:column;gap:10px;display:flex}.diagnostic-card{border-radius:var(--radius-sm);border:1px solid;padding:10px 14px}.card-error{background:#fff5f5;border-color:#fecaca}.card-warning{background:#fffbeb;border-color:#fde68a}.card-info{background:#f0f9ff;border-color:#bae6fd}.diag-header{align-items:center;gap:6px;margin-bottom:4px;display:flex}.diag-tag{border-radius:3px;padding:1px 5px;font-size:10px;font-weight:700}.tag-error{color:#fff;background:#ef4444}.tag-warning{color:#fff;background:#f59e0b}.tag-info{color:#fff;background:#0284c7}.diag-title{color:#1e293b;font-size:13px;font-weight:600}.diag-line{color:#64748b;margin-left:auto;font-size:11px}.diag-detail{color:#475569;font-size:12px;line-height:1.45}.diag-snippet{font-family:var(--font-mono);color:#334155;background:#0000000a;border-radius:3px;margin-top:6px;padding:4px 8px;font-size:11.5px}.diag-actions{justify-content:flex-end;margin-top:6px;display:flex}.locate-btn{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:3px;padding:3px 10px;font-size:11px;font-weight:600}.locate-btn:hover{opacity:.9}.empty-state{text-align:center;padding:28px 0}.empty-emoji{margin-bottom:8px;font-size:36px;display:block}.footer-tip{color:#64748b;margin-right:auto;font-size:11.5px}.articles-toolbar{border-bottom:1px solid var(--border-subtle);background:#f8fafc;justify-content:space-between;align-items:center;padding:10px 20px;display:flex}.privacy-badge{color:#64748b;font-size:11px}.articles-list{flex-direction:column;gap:8px;display:flex}.article-item-card{border:1px solid var(--border-subtle);border-radius:var(--radius-sm);cursor:pointer;background:#fff;justify-content:space-between;align-items:center;padding:10px 14px;display:flex}.article-item-card.active{border-color:var(--primary);background:var(--primary-light)}.art-title{color:#0f172a;font-size:13.5px;font-weight:600}.active-tag{background:var(--primary);color:#fff;border-radius:3px;padding:1px 5px;font-size:9.5px;font-weight:600}.art-meta-row{color:#64748b;align-items:center;gap:4px;font-size:11px;display:flex}.art-actions{gap:4px;display:flex}.art-action-btn{color:#475569;cursor:pointer;background:#fff;border:1px solid #cbd5e1;border-radius:3px;padding:3px 8px;font-size:11px}.art-rename-row{align-items:center;gap:6px;display:flex}.rename-input{border:1px solid var(--primary);border-radius:3px;outline:none;flex:1;padding:4px 8px;font-size:13px}.save-btn{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:3px;padding:4px 10px;font-size:11px}.cancel-btn{color:#475569;cursor:pointer;background:#f1f5f9;border:1px solid #cbd5e1;border-radius:3px;padding:4px 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