:root{--primary: #15607a;--primary-600: #114b60;--primary-100: #e3f0f5;--accent: #e8833a;--bg: #f4f7f9;--card: #ffffff;--line: #e7ecf0;--text: #1e2a32;--muted: #6b7680;--ok: #1f9d55;--danger: #d64541;--radius: 14px;--radius-sm: 10px;--shadow: 0 1px 2px rgba(18, 32, 45, .05), 0 2px 8px rgba(18, 32, 45, .06);--font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}.topbar{background:var(--primary);color:#fff;padding:12px 16px;font-size:17px;font-weight:700;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:10}.topbar .sub{font-size:12px;font-weight:400;opacity:.85}.top-action{background:#ffffff29;border:none;color:#fff;font-size:13px;font-weight:600;padding:6px 12px;border-radius:999px;cursor:pointer;display:inline-flex;align-items:center;gap:4px}.top-action:active{background:#ffffff47}.page{padding:14px 16px 90px;max-width:640px;margin:0 auto}.home-page{padding-bottom:24px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:12px;box-shadow:var(--shadow)}.home-hero{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-600) 100%);color:#fff;border:none;text-align:center}.home-hero h2{margin:4px 0 8px;font-size:22px;line-height:1.4}.home-hero p{margin:0;font-size:14px;opacity:.92}.footer-links{text-align:center;padding:14px 0 4px;color:var(--muted);font-size:13px}.banner{background:#fff6e8;border:1px solid #f3ddb5;color:#8a5b12;border-radius:var(--radius-sm);padding:10px 12px;font-size:12px;margin-bottom:12px}label{display:block;font-size:14px;color:var(--muted);margin:12px 0 5px}input[type=text],input[type=tel],input[type=password],input[type=number],textarea,select{width:100%;padding:12px 13px;border:1px solid var(--line);border-radius:var(--radius-sm);font-size:16px;background:#fff;outline:none;color:var(--text);transition:border-color .15s,box-shadow .15s}input:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-100)}textarea{resize:none;min-height:88px}.btn{display:block;width:100%;padding:13px;border:none;border-radius:var(--radius-sm);font-size:16px;font-weight:600;cursor:pointer;margin-top:12px;transition:transform .05s,opacity .15s}.btn:active{transform:scale(.99)}.btn-primary{background:var(--accent);color:#fff}.btn-primary:disabled{opacity:.5}.btn-ghost{background:#eef3f6;color:var(--primary)}.btn-danger{background:#fdeeee;color:var(--danger)}.btn-sm{width:auto;padding:8px 14px;font-size:14px;margin-top:0}.chat-list{display:flex;flex-direction:column;gap:10px}.msg{max-width:86%;padding:11px 13px;border-radius:14px;font-size:15px;word-break:break-word}.msg.assistant{background:#f2f6f9;align-self:flex-start;border-bottom-left-radius:5px}.msg.user{background:var(--primary);color:#fff;align-self:flex-end;border-bottom-right-radius:5px}.msg.error{background:#fdeeee;color:var(--danger);align-self:center;max-width:96%}.md p{margin:4px 0}.md h3,.md h4{margin:10px 0 4px;color:var(--primary-600);font-weight:700}.md hr{border:none;border-top:1px solid var(--line);margin:10px 0}.md .md-li{position:relative;padding-left:16px;margin:3px 0}.md .md-li:before{content:"•";position:absolute;left:2px;color:var(--primary)}.md .md-empty{height:6px}.md code{background:#eef2f5;border-radius:4px;padding:1px 5px;font-size:13px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.inputbar{position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);padding:8px 12px calc(8px + env(safe-area-inset-bottom));display:flex;gap:8px;align-items:flex-end;z-index:9}.inputbar textarea{flex:1;min-height:40px;max-height:120px}.voice-btn{width:42px;height:42px;border:none;border-radius:50%;background:var(--primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0}.voice-btn.listening{background:var(--danger);animation:pulse 1.2s infinite}@keyframes pulse{50%{opacity:.55}}.voice-btn svg{width:20px;height:20px}.stage-pill{display:inline-block;background:var(--primary-100);color:var(--primary-600);font-size:12px;font-weight:600;padding:4px 10px;border-radius:20px;margin-bottom:10px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:13px}th,td{padding:8px 6px;text-align:left;border-bottom:1px solid var(--line)}th{color:var(--muted);font-weight:600}.muted{color:var(--muted);font-size:13px}.center{text-align:center}.link{color:var(--primary);text-decoration:underline;cursor:pointer;background:none;border:none;padding:0;font-size:inherit}h3{margin:6px 0 10px}.err-box{background:#fdeeee;color:var(--danger);padding:10px 12px;border-radius:8px;font-size:14px;margin:10px 0}.ok-box{background:#e8f7ee;color:var(--ok);padding:10px 12px;border-radius:8px;font-size:14px;margin:10px 0}.chat-page{padding-bottom:120px}