.replain-widget{position:fixed;right:24px;bottom:24px;width:340px;max-width:calc(100vw - 32px);background:#fff;border:1px solid rgba(17,24,39,.08);border-radius:24px;box-shadow:0 24px 80px #0f172a38;overflow:hidden;font:14px/1.5 Manrope,system-ui,sans-serif;z-index:9999}.replain-widget *{box-sizing:border-box}.replain-head{padding:18px 18px 14px;background:linear-gradient(135deg,#0f172a,#2563eb);color:#fff}.replain-head strong{display:block;font-size:18px}.replain-head span{display:block;opacity:.8}.replain-feed{height:280px;padding:16px;overflow:auto;background:#f8fafc}.replain-bubble{max-width:85%;margin-bottom:10px;padding:10px 12px;border-radius:16px;background:#e2e8f0;color:#0f172a}.replain-bubble.me{margin-left:auto;background:#2563eb;color:#fff}.replain-form{display:flex;gap:8px;padding:14px;border-top:1px solid rgba(15,23,42,.08);background:#fff}.replain-form input{flex:1;padding:12px 14px;border:1px solid rgba(15,23,42,.12);border-radius:14px}.replain-form button{border:none;border-radius:14px;padding:12px 16px;background:#ffdc3c;color:#111827;font-weight:700;cursor:pointer}