/* 站点智能问答悬浮窗样式：只负责当前页面的交互展示，不保存聊天内容 */
.site-chat-container{position:fixed;right:24px;bottom:10%;z-index:1000;font-family:inherit}
.site-chat-container [hidden]{display:none !important}
.site-chat-widget{width:56px;height:76px;overflow:hidden;padding:0;border:0;border-radius:0;background:transparent;display:flex;flex-direction:column;align-items:center}
.site-chat-trigger{width:56px;height:54px;overflow: hidden;border-radius:8px;display:grid;place-items:center;background:transparent;color:var(--on-primary);cursor:pointer;transition:transform .2s,box-shadow .2s}
.site-chat-icon{display:block;width:54px;height:54px;object-fit:contain}.site-chat-icon.hover{display:none}.site-chat-trigger:hover .site-chat-icon.default{display:none}.site-chat-trigger:hover .site-chat-icon.hover{display:block}
.site-chat-label{display:block;height:20px;line-height:20px;color:var(--primary);font-size:12px;white-space:nowrap}
.site-chat-panel{position:fixed;right:24px;bottom:calc(10% + 90px);width:360px;height:470px;overflow:hidden;display:flex;flex-direction:column;background:var(--surface-bright);border:1px solid var(--outline-variant);border-radius:16px;box-shadow:0 18px 48px rgba(9,20,38,.2)}
.site-chat-header{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;background:var(--primary);color:var(--on-primary)}
.site-chat-header div{display:flex;flex-direction:row;align-items:baseline;gap:8px}.site-chat-header strong{font-size:16px}.site-chat-header span{font-size:11px;opacity:.72}
.site-chat-header button{border:0;background:transparent;color:inherit;font-size:25px;line-height:1;cursor:pointer;opacity:.8}.site-chat-header button:hover{opacity:1}
.site-chat-messages{flex:1;overflow-y:auto;padding:16px;background:var(--surface-container-low);display:flex;flex-direction:column;gap:10px}
.site-chat-message{max-width:86%;padding:10px 12px;border-radius:12px;font-size:14px;line-height:22px;white-space:pre-wrap;word-break:break-word}.site-chat-message.assistant{align-self:flex-start;background:var(--surface-bright);color:var(--on-surface)}.site-chat-message.user{align-self:flex-end;background:var(--primary);color:var(--on-primary)}.site-chat-message.error{color:#b42318;background:#fff1f0}
.site-chat-form{display:flex;gap:8px;padding:12px;background:var(--surface-bright);border-top:1px solid var(--surface-container-high)}
.site-chat-form textarea{flex:1;resize:none;min-height:38px;max-height:90px;padding:9px 10px;border:1px solid var(--outline-variant);border-radius:8px;background:var(--surface);color:var(--on-surface);font:inherit;line-height:20px;outline:none}.site-chat-form textarea:focus{border-color:var(--primary)}
.site-chat-form button{align-self:flex-end;height:38px;padding:0 14px;border:0;border-radius:8px;background:var(--primary);color:var(--on-primary);cursor:pointer}.site-chat-form button:disabled{opacity:.55;cursor:wait}
@media(max-width:600px){.site-chat-container{right:16px;bottom:10%}.site-chat-panel{right:16px;bottom:calc(10% + 90px);width:min(360px,calc(100vw - 32px));height:min(470px,65vh)}}