:root{--bg:#0b0d10;--panel:#14181d;--line:#232a33;--text:#e8ecf1;--dim:#8b95a1;--accent:#4c8dff;--radius:18px}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);-webkit-tap-highlight-color:transparent;margin:0;font:16px/1.6 system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,PingFang SC,Microsoft YaHei,sans-serif}#viewer{height:60vh;background:#000;height:60svh;min-height:340px;position:relative;overflow:hidden}#pano{position:absolute;top:0;bottom:0;left:0;right:0}#pano canvas{display:block}.hud{pointer-events:none;position:absolute;top:0;bottom:0;left:0;right:0}.badge{top:max(12px, env(safe-area-inset-top));-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);letter-spacing:.06em;color:#cdd6e0;background:#0a0c0f8c;border-radius:999px;padding:5px 12px;font-size:12px;position:absolute;left:12px}#gyroBtn{pointer-events:auto;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:var(--text);background:#0a0c0f8c;border:1px solid #ffffff40;border-radius:999px;padding:8px 14px;font-size:13px;position:absolute;bottom:14px;right:12px}#gyroBtn.on{border-color:var(--accent);color:var(--accent)}#gyroBtn:disabled{opacity:.6}#hint{color:#ffffffd9;text-shadow:0 1px 4px #0009;white-space:nowrap;font-size:13px;animation:1s 3.2s forwards hintFade;position:absolute;bottom:16px;left:50%;transform:translate(-50%)}@keyframes hintFade{to{opacity:0;visibility:hidden}}#loading{color:#cdd6e0;align-items:center;gap:10px;font-size:14px;display:flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.spin{border:2px solid #ffffff40;border-top-color:#fff;border-radius:50%;width:16px;height:16px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}#story{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);margin:-18px 12px 28px;padding:22px 18px 16px;position:relative;box-shadow:0 -10px 30px #00000059}#story h1{margin:0 0 4px;font-size:20px;line-height:1.35}.dim{color:var(--dim);margin:0;font-size:14px}.langRow{flex-wrap:wrap;gap:8px;margin:14px 0 4px;display:flex}.pill{border:1px solid var(--line);color:var(--dim);border-radius:999px;padding:3px 12px;font-size:12.5px}.pill.on{border-color:var(--accent);color:var(--accent)}.specs{background:var(--line);border:1px solid var(--line);border-radius:12px;grid-template-columns:1fr 1fr;gap:1px;margin:16px 0;display:grid;overflow:hidden}.specs>div{background:var(--panel);padding:10px 14px}.specs dt{color:var(--dim);font-size:12px}.specs dd{margin:2px 0 0;font-size:15px}.ctaRow{gap:10px;margin:18px 0 6px;display:flex}.cta{border:1px solid var(--line);color:var(--text);background:#1a2028;border-radius:12px;flex:1;padding:12px 0;font-size:15px}.cta.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}.foot{border-top:1px solid var(--line);justify-content:space-between;align-items:center;margin-top:18px;padding-top:14px;font-size:13px;display:flex}.selfCta{color:var(--accent);font-weight:600;text-decoration:none}.srOnly{clip:rect(0, 0, 0, 0);width:1px;height:1px;position:absolute;overflow:hidden}.chatPage{background:#0f1216;max-width:760px;min-height:100svh;margin:0 auto}.chatHeader{z-index:2;padding:max(16px, env(safe-area-inset-top)) 18px 14px;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#0f1216e6;justify-content:space-between;align-items:center;gap:16px;display:flex;position:-webkit-sticky;position:sticky;top:0}.chatHeader h1{margin:1px 0 0;font-size:19px;line-height:1.25}.chatBrand{color:#2dcc70;letter-spacing:.12em;font-size:11px;font-weight:800}.liveState{color:var(--dim);font-size:12px}.liveState.on{color:#2dcc70}.chatMessages{min-height:calc(100svh - 310px);padding:22px 15px 10px;overflow-y:auto}.chatBubble{background:#20262d;border-radius:17px 17px 17px 5px;width:min(82%,520px);margin:0 auto 14px 0;padding:11px 13px 9px}.chatBubble.mine{background:#17663d;border-radius:17px 17px 5px;margin-left:auto;margin-right:0}.chatSender{color:#9ca7b2;margin-bottom:3px;font-size:11px;display:block}.chatBubble p{white-space:pre-wrap;overflow-wrap:anywhere;margin:0}.chatBubble img{object-fit:cover;border-radius:11px;width:100%;max-height:320px;margin-top:9px;display:block}.chatBubble time{text-align:right;color:#ffffff80;margin-top:5px;font-size:10px;display:block}.chatComposer{padding:10px 14px max(16px, env(safe-area-inset-bottom));border-top:1px solid var(--line);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#0f1216f5;position:-webkit-sticky;position:sticky;bottom:0}.chatComposer textarea{resize:none;width:100%;color:var(--text);font:inherit;background:#171c22;border:1px solid #303943;border-radius:14px;outline:none;padding:11px 12px}.chatComposer textarea:focus{border-color:#2dcc70}.chatActions{gap:9px;margin-top:8px;display:flex}.chatActions .cta{padding:10px 8px}.chatActions .primary{color:#07130b;background:#2dcc70;border-color:#2dcc70}.chatActions button:disabled{opacity:.5}.openApp{text-align:center;color:#66a0ff;margin-top:10px;font-size:13px;text-decoration:none;display:block}#chatExpiry,#chatStatus{margin:0 2px 7px;font-size:11px}#chatStatus{text-align:center;min-height:18px;margin-top:6px}#chatStatus.error{color:#ff7272}