:root{--primary:#3b82f6;--primary-hover:#2563eb;--primary-light:#eff6ff;--bg:#f1f5f9;--surface:#fff;--text:#1e293b;--text-secondary:#64748b;--text-muted:#94a3b8;--border:#e2e8f0;--shadow-sm:0 1px 2px #0000000d;--shadow:0 1px 3px #00000014, 0 1px 2px #0000000a;--shadow-md:0 4px 6px #0000000f, 0 2px 4px #0000000a;--radius:10px;--radius-sm:6px;--transition:.15s ease}*,:before,:after{box-sizing:border-box}body{color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;max-width:800px;margin:0 auto;padding:20px 20px 60px;font-family:system-ui,-apple-system,Segoe UI,Noto Sans SC,PingFang SC,Microsoft YaHei,sans-serif;font-size:16px;line-height:1.6}a{color:var(--primary);transition:color var(--transition);text-decoration:none}a:hover{color:var(--primary-hover)}hr{border:none;border-top:1px solid var(--border);margin:16px 0}#breadcrumb{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow-sm);color:var(--text-secondary);flex-wrap:wrap;align-items:center;gap:4px;margin-bottom:16px;padding:12px 16px;font-size:14px;display:flex}#breadcrumb .bc-link{color:var(--text-secondary);cursor:pointer;border-radius:var(--radius-sm);transition:background var(--transition), color var(--transition);padding:2px 6px}#breadcrumb .bc-link:hover{background:var(--primary-light);color:var(--primary);text-decoration:none}#breadcrumb .bc-sep{color:var(--text-muted);-webkit-user-select:none;user-select:none}#breadcrumb .bc-current{color:var(--primary);padding:2px 6px;font-weight:600}#toolbar{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow-sm);align-items:center;gap:20px;margin-bottom:16px;padding:10px 16px;font-size:14px;display:flex}.toggle{cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:8px;display:inline-flex}.toggle input{opacity:0;width:0;height:0;position:absolute}.toggle-track{background:var(--border);width:36px;height:20px;transition:background var(--transition);border-radius:10px;flex-shrink:0;position:relative}.toggle input:checked+.toggle-track{background:var(--primary)}.toggle-track:after{content:"";background:var(--surface);width:16px;height:16px;transition:transform var(--transition);box-shadow:var(--shadow-sm);border-radius:50%;position:absolute;top:2px;left:2px}.toggle input:checked+.toggle-track:after{transform:translate(16px)}.toggle-label{color:var(--text-secondary);font-size:14px}.copy-btn{color:#fff;background:var(--primary);border-radius:var(--radius-sm);cursor:pointer;transition:background var(--transition), opacity var(--transition);white-space:nowrap;border:none;align-items:center;gap:6px;padding:5px 12px;font-family:inherit;font-size:13px;font-weight:500;display:inline-flex}.copy-btn:hover{background:var(--primary-hover)}.copy-btn:active{background:#1d4ed8}.copy-btn:disabled{background:var(--border);color:var(--text-muted);cursor:default;opacity:1}.copy-icon{flex-shrink:0;justify-content:center;align-items:center;width:14px;height:14px;display:flex}.copy-icon svg{width:100%;height:100%}.copy-label{display:inline}@media (width<=520px){.copy-label{display:none}.copy-btn{padding:6px 8px}#toolbar{gap:10px}}#list{flex-direction:column;gap:2px;display:flex}.dir-item{border-radius:var(--radius-sm);color:var(--text);cursor:pointer;transition:background var(--transition), transform var(--transition);align-items:center;gap:10px;padding:10px 14px;text-decoration:none;display:flex}.dir-item:hover{background:var(--primary-light);color:var(--text);text-decoration:none;transform:translate(2px)}.dir-icon{flex-shrink:0;justify-content:center;align-items:center;width:20px;height:20px;font-size:17px;display:flex}.dir-icon svg{width:18px;height:18px}.dir-icon.folder{color:#f59e0b}.dir-icon.file{color:var(--text-muted)}.dir-icon.link{color:var(--primary)}.dir-icon.download{color:#22c55e}.dir-name{overflow-wrap:break-word;flex:1;min-width:0}#content{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow-sm);white-space:pre-wrap;overflow-wrap:break-word;word-break:normal;min-height:200px;padding:24px;line-height:1.8}#content.nowrap{white-space:pre;overflow-wrap:normal;word-break:normal;overflow-x:auto}#content a{word-break:break-all;display:inline}#loading{color:var(--text-secondary);flex-direction:column;justify-content:center;align-items:center;gap:16px;padding:60px 20px;font-size:14px;display:flex}.spinner{border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;width:32px;height:32px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}#error{text-align:center;color:var(--text-secondary);padding:60px 20px;font-size:14px}#error .error-icon{margin-bottom:12px;font-size:40px}#source-links{color:var(--text-secondary);justify-content:center;align-items:center;gap:12px;padding:16px 20px;font-size:14px;display:flex}#source-links .source-label{color:var(--text-muted)}#source-links .source-link{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--primary);transition:background var(--transition), border-color var(--transition);align-items:center;gap:4px;padding:4px 12px;font-size:13px;font-weight:500;text-decoration:none;display:inline-flex}#source-links .source-link:hover{background:var(--primary-light);border-color:var(--primary);color:var(--primary);text-decoration:none}#home-extra{flex-direction:column;gap:2px;display:flex}.home-link{border-radius:var(--radius-sm);color:var(--text-secondary);transition:background var(--transition), transform var(--transition);align-items:center;gap:10px;padding:10px 14px;font-size:14px;text-decoration:none;display:flex}.home-link:hover{background:var(--primary-light);color:var(--primary);text-decoration:none;transform:translate(2px)}#home-extra .extra-text{color:var(--text);padding:8px 14px;font-size:14px;font-weight:500}#scroll-track{z-index:1000;pointer-events:none;opacity:0;justify-content:center;align-items:center;width:48px;transition:opacity .3s;display:flex;position:fixed;top:0;bottom:0;right:0}#scroll-track.visible{opacity:1}#scroll-handle{background:var(--text-muted);opacity:.4;touch-action:none;cursor:pointer;pointer-events:auto;border-radius:2px;width:4px;min-height:40px;transition:width .15s,opacity .15s,border-radius .15s;position:absolute;right:10px}#scroll-track:hover #scroll-handle,#scroll-handle.active{opacity:.8;background:var(--primary);border-radius:3px;width:6px}