: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:17.5px;line-height:1.65;-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 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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 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marker-float{50%{transform:translateY(-3px)}}.room-chat{text-align:left;border:1px solid var(--line);border-radius:12px;margin:12px 0;overflow:hidden;background:#fff}.room-chat-head{background:var(--primary-100);color:var(--primary-600);font-weight:600;font-size:13px;padding:8px 12px}.room-chat-list{max-height:180px;overflow-y:auto;padding:10px 12px;display:flex;flex-direction:column;gap:6px}.chat-msg{max-width:82%;padding:7px 11px;border-radius:12px;font-size:14px;word-break:break-word}.chat-msg.them{background:#f2f6f9;align-self:flex-start;border-bottom-left-radius:4px}.chat-msg.me{background:var(--primary);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}.room-chat-input{display:flex;gap:6px;padding:8px 10px;border-top:1px solid var(--line)}.room-chat-input input{flex:1;min-height:38px}.pet-box{display:flex;flex-direction:column;align-items:center;margin:6px 0 2px}.pet-float{animation:pet-float 3s ease-in-out infinite}@keyframes pet-float{50%{transform:translateY(-6px)}}.pet-customize{margin-top:4px}.ladder-wrap{display:flex;flex-direction:column;align-items:center}.ladder-label{font-size:15px;color:var(--muted);margin-top:4px}.ladder-rung{display:flex;align-items:center;justify-content:space-between;width:100%;max-width:300px;padding:8px 12px;margin:3px 0;border-radius:10px;background:#f2f6f9;font-size:15px;font-weight:600}.ladder-rung.gold{background:#fdf3d7;color:#8a6100}.ladder-rung.silver{background:#eef2f6;color:#5b6675}.ladder-rung.bronze{background:#f7e7dc;color:#7a4a2a}.ladder-rung.mine{outline:2px solid var(--accent)}.ladder-marker{margin-left:6px;animation:marker-float 2.2s ease-in-out 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