.chat-widget-window{position:relative;width:360px;height:520px;box-shadow:none;z-index:10000;display:flex;border-radius:8px;flex-direction:column;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Microsoft YaHei,sans-serif;overflow:hidden}.chat-header{color:#fff;padding:15px 20px;display:flex;justify-content:space-between;align-items:center;font-weight:500;font-size:16px;border-radius:8px 8px 0 0;margin-top:15px}.chat-header-status{font-size:12px;margin-top:2px}.chat-close-btn{background:none;border:none;color:#fff;font-size:20px;cursor:pointer;padding:0;width:24px;height:24px;display:flex;align-items:center;justify-content:center}.chat-close-btn:hover{opacity:1}.chat-messages{position:relative;flex:1;padding:20px;overflow-y:auto;display:flex;flex-direction:column;gap:15px}.chat-message{display:flex}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.chat-message.user{justify-content:flex-end}.chat-message.agent{justify-content:flex-start}.chat-message.system{justify-content:center}.chat-message-content{max-width:75%;padding:12px 16px;border-radius:20px;font-size:14px;line-height:1.4;word-wrap:break-word;position:relative}.chat-message.user .chat-message-content{background:var(--107af856);color:#fff;border-bottom-right-radius:6px}.chat-message.agent .chat-message-content{background:var(--65423ee2);color:var(--6536c94e);border-bottom-left-radius:6px}.system-message{background:#eee!important;color:#666!important;text-align:center;width:100%;max-width:100%!important;border-radius:4px!important}.chat-message-sender{font-size:12px;opacity:.7;margin-bottom:4px}.chat-input-area{padding:20px;border-top:1px solid var(--2f042150)}.chat-input-container{position:relative;margin-bottom:12px}.chat-input{width:100%;padding:12px 16px;border:1px solid var(--2f042150);border-radius:25px;font-size:14px;outline:none;resize:none;font-family:inherit;transition:border-color .2s;box-sizing:border-box;min-height:44px;max-height:100px}.chat-input:focus{border-color:var(--107af856)}.chat-input::placeholder{color:var(--74455ded)}.chat-send-btn{width:100%;padding:12px;color:#fff;border:none;border-radius:25px;font-size:14px;font-weight:500;cursor:pointer;transition:background-color .2s}.chat-send-btn:hover:not(:disabled){background:#1976d2!important}.chat-send-btn:disabled{background:#ccc!important;cursor:not-allowed}.chat-messages::-webkit-scrollbar{width:4px}.chat-messages::-webkit-scrollbar-track{background:transparent}.chat-messages::-webkit-scrollbar-thumb{background:#ddd;border-radius:2px}.chat-messages::-webkit-scrollbar-thumb:hover{background:#bbb}@media (max-width: 480px){.chat-widget-window{width:calc(100vw - 20px);height:calc(100vh - 20px);bottom:10px;right:10px;left:4px}.chat-widget-icon{bottom:15px;right:15px}}