html,body{background:0 0;font-family:system-ui,-apple-system,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}:root{--ember:#ff6b35;--ember-deep:#e45c28;--ember-soft:#ffe1cf;--ink:#1d2129;--ink-soft:#6b7280;--ink-faint:#9aa0aa;--paper:#f5f6f8;--line:#e5e6eb;--signal:#22c55e;--warn:#ef4444;--ai-accent:#14b9a7;--ai-accent-pill:#e6f7f5;--radius-panel:20px;--radius-bubble:16px;--radius-bubble-tail:5px;--radius-btn:12px;--radius-pill:999px;--shadow-panel:0 26px 52px -18px #1d212947, 0 7px 18px -7px #1d212924;--shadow-bubble:0 1px 3px #1d21290d, 0 3px 10px #1d21290f;--shadow-launcher:0 12px 26px -6px #e45c286b, 0 3px 7px #1d212924;--ease-smooth:cubic-bezier(.4, 0, .2, 1)}@keyframes stingim-teaser-rise{0%{opacity:0;transform:translateY(6px)scale(.98)}to{opacity:1;transform:none}}.stingim-teaser-enter{animation:stingim-teaser-rise .32s var(--ease-smooth)}@media (prefers-reduced-motion:reduce){.stingim-teaser-enter{animation:none}}@keyframes stingim-channel-pop{0%{opacity:0;transform:translateY(12px)scale(.72)}to{opacity:1;transform:none}}.stingim-channel-pop{animation:stingim-channel-pop .26s var(--ease-smooth) both}@media (prefers-reduced-motion:reduce){.stingim-channel-pop{animation:none}}@keyframes stingim-typing-bounce{0%,80%,to{opacity:.5;transform:scale(.6)}40%{opacity:1;transform:scale(1)}}.stingim-typing-dot{background:var(--ink-soft);border-radius:50%;width:6px;height:6px;animation:1.1s ease-in-out infinite stingim-typing-bounce;display:inline-block}@media (prefers-reduced-motion:reduce){.stingim-typing-dot{opacity:.8;animation:none}}@keyframes stingim-message-rise{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}.stingim-message-enter{animation:stingim-message-rise .22s var(--ease-smooth)}@media (prefers-reduced-motion:reduce){.stingim-message-enter{animation:none}}.stingim-input:focus-visible{outline:2px solid var(--ember);outline-offset:1px;border-radius:6px}.stingim-icon-btn{width:34px;height:34px;color:var(--ink-soft);cursor:pointer;transition:background-color .15s var(--ease-smooth), color .15s var(--ease-smooth), transform .1s var(--ease-smooth);background:0 0;border:none;border-radius:50%;flex:none;justify-content:center;align-items:center;display:inline-flex}.stingim-icon-btn:hover:not(:disabled){color:var(--ink);background:#1b21300f}.stingim-icon-btn:active:not(:disabled){transform:scale(.92)}.stingim-icon-btn:disabled{opacity:.4;cursor:default}.stingim-send-btn{background:linear-gradient(135deg, var(--ember), var(--ember-deep));color:#fff;cursor:pointer;width:34px;height:34px;transition:transform .12s var(--ease-smooth), box-shadow .15s var(--ease-smooth), opacity .15s var(--ease-smooth);border:none;border-radius:50%;flex:none;justify-content:center;align-items:center;display:inline-flex;box-shadow:0 2px 8px -2px #e45c288c}.stingim-send-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 12px -2px #e45c2899}.stingim-send-btn:active:not(:disabled){transform:scale(.94)}.stingim-send-btn:disabled{opacity:.35;cursor:default;box-shadow:none}.stingim-btn-primary{border-radius:var(--radius-pill);background:linear-gradient(135deg, var(--ember), var(--ember-deep));color:#fff;cursor:pointer;transition:transform .12s var(--ease-smooth), box-shadow .15s var(--ease-smooth), opacity .15s var(--ease-smooth);border:none;padding:8px 18px;font-size:12.5px;font-weight:600;box-shadow:0 3px 10px -3px #e45c2880}.stingim-btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 5px 14px -3px #e45c288c}.stingim-btn-primary:active:not(:disabled){transform:scale(.97)}.stingim-btn-primary:disabled{opacity:.4;cursor:default;box-shadow:none;transform:none}.stingim-btn-ghost{border:1.5px solid var(--line);border-radius:var(--radius-pill);color:var(--ink);cursor:pointer;transition:border-color .15s var(--ease-smooth), color .15s var(--ease-smooth), background-color .15s var(--ease-smooth);background:#fff;padding:8px 18px;font-size:12.5px;font-weight:600}.stingim-btn-ghost:hover:not(:disabled){border-color:var(--ember);color:var(--ember-deep);background:#fff8f5}.stingim-btn-ghost:disabled{opacity:.4;cursor:default}.stingim-header-glow{position:relative;overflow:hidden}.stingim-header-glow:before{content:"";pointer-events:none;background:radial-gradient(circle,#ffffff2e,#0000 65%);border-radius:50%;width:220px;height:220px;position:absolute;top:-60%;right:-8%}.stingim-quick-reply-chip{color:var(--ember-deep);border:1.4px solid var(--ember-soft);border-radius:var(--radius-pill);cursor:pointer;transition:border-color .15s var(--ease-smooth), background-color .15s var(--ease-smooth), transform .1s var(--ease-smooth);background:#fff;padding:7px 13px;font-size:12px;font-weight:600;box-shadow:0 1px 2px #402a180d}.stingim-quick-reply-chip:hover{border-color:var(--ember);background:#fff8f5}.stingim-quick-reply-chip:active{transform:scale(.96)}