:root{--brand-50:#eef4fd;--brand-100:#dce8fb;--brand-200:#bcd3f7;--brand-300:#8fb4f1;--brand-400:#5a8eea;--brand-500:#2563eb;--brand-600:#1d56d6;--brand-700:#1a45ad;--bg:#f2f3f5;--surface:#fff;--surface-2:#f7f8fa;--press:#f0f1f3;--text:#1a1a1f;--text-2:#4a4d57;--text-muted:#8a8f9a;--text-subtle:#b0b4bd;--border:#e6e7ea;--border-strong:#d9dbe0;--hairline:#0000000f;--success:#07c160;--success-bg:#e8f7ee;--success-tx:#0a9a52;--warning:#fa9d3b;--warning-bg:#fdf2e3;--warning-tx:#b9700c;--danger:#fa5151;--danger-bg:#fdecec;--danger-tx:#c93434;--r-xs:6px;--r-sm:8px;--r-md:10px;--r-lg:14px;--r-pill:999px;--shadow-pop:0 8px 30px #0000001f, 0 2px 8px #0000000f;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,Segoe 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solid var(--border);padding:10px 13px;font-size:14px;line-height:1.55}.chat-bubble.user{color:var(--text);background:#95ec69;border-color:#0000;margin-left:auto}.chat-input{grid-template-columns:1fr 48px;gap:8px;margin-top:12px;display:grid}.chat-input input{border:1px solid var(--border-strong);border-radius:var(--r-sm);background:var(--surface);outline:none;min-height:48px;padding:0 14px;transition:border-color .15s}.chat-input input:focus{border-color:var(--brand-400)}.chat-input button{border-radius:var(--r-sm);color:#fff;background:var(--brand-500);border:0}.bottom-tabs{width:min(100%,430px);height:calc(70px + env(safe-area-inset-bottom));padding:8px 10px calc(8px + env(safe-area-inset-bottom));background:var(--surface);border-top:1px solid var(--hairline);z-index:10;grid-template-columns:repeat(5,1fr);gap:4px;display:grid;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.bottom-tabs.six{grid-template-columns:repeat(6,1fr)}.bottom-tabs button{border-radius:var(--r-sm);color:var(--text-muted);background:0 0;border:0;place-items:center;gap:3px;font-size:11px;font-weight:500;transition:color .15s;display:grid}.bottom-tabs button.active{color:var(--brand-600)}.inline-error{min-height:44px;color:var(--danger-tx);background:var(--danger-bg);border-radius:var(--r-sm);align-items:center;gap:8px;margin-top:10px;padding:11px 13px;font-size:13px;display:flex}.page-loader{min-height:60vh;color:var(--text-muted);place-items:center;gap:10px;display:grid}.disclaimer-card{border-radius:var(--r-md);color:var(--text-muted);background:var(--surface);border:1px solid var(--border);margin-top:12px;padding:16px;font-size:12px;line-height:1.6}.disclaimer-card strong{color:var(--text);margin-bottom:4px;font-size:14px;font-weight:600;display:block}.spin{animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (width>=720px){body{background:#e9eaed;padding:28px 0}.phone-shell{background:var(--bg);min-height:calc(100vh - 56px);box-shadow:var(--shadow-pop);border-radius:24px;margin:0 auto}.report-header{background:#f2f3f5f2}}.portal-fab{top:calc(8px + env(safe-area-inset-top));z-index:8;height:44px;color:var(--brand-600,#1d56d6);border-radius:var(--r-sm,8px);cursor:pointer;-webkit-tap-highlight-color:transparent;background:0 0;border:none;justify-content:center;align-items:center;gap:2px;padding:0 8px;font-size:15px;font-weight:500;text-decoration:none;display:inline-flex;position:fixed;left:8px}.portal-fab:active{opacity:.5}.fn-tabbar{background:var(--surface,#fff);border-top:1px solid var(--border,#e6e7ea);width:min(100%,430px);padding-bottom:env(safe-area-inset-bottom);z-index:30;display:flex;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.fn-tab{color:var(--text-muted,#8a8f9a);-webkit-tap-highlight-color:transparent;flex-direction:column;flex:1;align-items:center;gap:3px;padding:8px 0 7px;font-size:11px;text-decoration:none;display:flex}.fn-tab.active{color:var(--brand-500,#2563eb)}.fn-tab:active{opacity:.6}.history-fab{top:calc(8px + env(safe-area-inset-top));z-index:8;width:44px;height:44px;color:var(--brand-600,#1d56d6);border-radius:var(--r-sm,8px);-webkit-tap-highlight-color:transparent;background:0 0;border:none;justify-content:center;align-items:center;display:inline-flex;position:fixed;right:14px}.history-fab:active{opacity:.5}