.app-loading{align-items:center;background:#f4f8fa;color:#41515f;display:flex;flex-direction:column;font-size:14px;gap:12px;height:100dvh;justify-content:center}.app-loading-spinner{animation:app-loading-spin .8s linear infinite;border:2px solid #d7e6e9;border-radius:50%;border-top-color:#0e8498;height:22px;width:22px}@keyframes app-loading-spin{to{transform:rotate(360deg)}}.fade-enter-active,.fade-leave-active{transition:opacity .2s ease}.fade-enter-from,.fade-leave-to{opacity:0}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #22D3EE;--primary-hover: #06B6D4;--primary-light: #ECFEFF;--sidebar-bg: rgba(255, 255, 255, .78);--sidebar-hover: rgba(236, 254, 255, .95);--sidebar-active: rgba(207, 250, 254, .92);--text-primary: #0F172A;--text-secondary: #475569;--text-muted: #94A3B8;--bg-page: #EEF4F8;--bg-card: rgba(255, 255, 255, .84);--border: #D9E6EE;--radius: 12px;--shadow-sm: 0 1px 3px rgba(15,23,42,.06);--shadow-md: 0 12px 40px rgba(15,23,42,.08);--shadow-lg: 0 24px 80px rgba(15,23,42,.1);--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-mono: "Fira Code", "Cascadia Code", "Consolas", monospace}html,body,#app{height:100%;font-family:var(--font-sans);-webkit-font-smoothing:antialiased;background:radial-gradient(circle at top,rgba(34,211,238,.18),transparent 26%),linear-gradient(180deg,#f7fbfd,#eef4f8 42%,#e8f0f5);color:var(--text-primary)}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:99px}::-webkit-scrollbar-thumb:hover{background:#94a3b8}.md-content h1,.md-content h2,.md-content h3{margin:12px 0 6px;font-weight:600}.md-content p{margin:6px 0;line-height:1.7}.md-content ul,.md-content ol{padding-left:20px;margin:6px 0}.md-content li{margin:3px 0;line-height:1.6}.md-content code{font-family:var(--font-mono);font-size:.85em;background:#f8fafc;border:1px solid #D9E6EE;border-radius:4px;padding:1px 5px}.md-content pre{background:#1e293b;border-radius:8px;padding:14px 16px;overflow-x:auto;margin:8px 0}.md-content pre code{background:none;border:none;color:#e2e8f0;font-size:.88em;padding:0}.md-content table{border-collapse:collapse;width:100%;margin:8px 0;font-size:13px}.md-content th,.md-content td{border:1px solid #D9E6EE;padding:7px 12px;text-align:left}.md-content th{background:#f8fcfd;font-weight:600}.md-content tr:nth-child(2n) td{background:#f8fcfd}.md-content blockquote{border-left:3px solid var(--primary);padding:6px 12px;margin:8px 0;color:var(--text-secondary);background:var(--primary-light);border-radius:0 6px 6px 0}.md-content strong{font-weight:600}.md-content hr{border:none;border-top:1px solid var(--border);margin:12px 0}.user-bubble .md-content code{background:#ffffff26;border-color:#fff3;color:#fff}