/*
 * IO AI 助手：悬浮按钮 + 聊天面板样式
 */
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scale(.98);transition:opacity .18s ease,transform .18s ease;pointer-events:none}.io-ai-assistant.pos-br .io-ai-panel{right:0}.io-ai-assistant.pos-bl .io-ai-panel{left:0}.io-ai-assistant.is-open .io-ai-panel{display:flex;opacity:1;transform:translateY(0) scale(1);pointer-events:auto;box-shadow:0px 10px 30px rgba(0,0,0,0.4)}.io-ai-panel-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;background:linear-gradient(135deg,var(--theme-color,var(--hover-color)));color:#fff;flex:0 0 auto}.io-ai-panel-title{font-size:15px;font-weight:600;display:flex;align-items:center;gap:6px}.io-ai-panel-actions{display:flex;align-items:center;gap:4px}.io-ai-panel-actions button{background:rgba(255,255,255,.18);border:none;color:#fff;width:26px;height:26px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:14px;line-height:1;transition:background .15s ease}.io-ai-panel-actions button:hover{background:rgba(255,255,255,.32)}.io-ai-panel-body{flex:1 1 auto;overflow-y:auto;padding:14px 16px;background:var(--body-bg-color)}.io-ai-welcome{background:var(--main-bg-color);border-radius:12px;padding:12px 14px;margin-bottom:12px;font-size:13px;line-height:1.6;color:var(--main-color);box-shadow:0 2px 8px rgba(20,24,40,.06)}.io-ai-welcome h4{margin:0 0 6px;font-size:14px}.io-ai-welcome p,.io-ai-welcome ul{margin:0 0 4px}.io-ai-messages{display:flex;flex-direction:column;gap:12px}.io-ai-msg{display:flex;gap:8px;max-width:92%}.io-ai-msg.role-user{align-self:flex-end;flex-direction:row-reverse}.io-ai-msg.role-assistant{align-self:flex-start}.io-ai-msg-bubble{padding:10px 12px;border-radius:12px;font-size:13px;line-height:1.6;word-break:break-word;white-space:normal}.io-ai-msg.role-user .io-ai-msg-bubble{background:#4f7cff;color:#fff;border-radius:12px 12px 2px 12px}.io-ai-msg.role-assistant .io-ai-msg-bubble{background:var(--main-bg-color);color:var(--main-color);box-shadow:0 2px 8px rgba(20,24,40,.06);border-radius:12px 12px 12px 2px}.io-ai-msg.role-error .io-ai-msg-bubble{background:rgba(255,136,128,0.1);color:#cf1322;border:1px solid rgba(255,136,128,0.2)}.io-ai-msg-bubble h3{font-size:16px}.io-ai-msg-bubble p{margin:0 0 6px}.io-ai-msg-bubble p:last-child{margin-bottom:0}.io-ai-msg-bubble a{color:var(--theme-color)}.io-ai-msg-bubble pre{background:rgba(0,0,0,.06);padding:8px;border-radius:6px;overflow-x:auto;font-size:12px}.io-ai-msg-bubble table{width:100%;font-size:12px;border-collapse:collapse}.io-ai-msg-bubble table td,.io-ai-msg-bubble table th{border:1px solid rgba(0,0,0,.1);padding:4px 6px}.io-ai-typing{align-self:flex-start;display:flex;gap:4px;padding:12px 14px;background:var(--main-bg-color);border-radius:12px;box-shadow:0 2px 8px rgba(20,24,40,.06)}.io-ai-typing span{width:6px;height:6px;border-radius:50%;background:var(--muted-color);animation:io-ai-blink 1.2s infinite ease-in-out}.io-ai-typing span:nth-child(2){animation-delay:.2s}.io-ai-typing span:nth-child(3){animation-delay:.4s}@keyframes io-ai-blink{0%,80%,100%{opacity:.3;transform:scale(.8)}40%{opacity:1;transform:scale(1)}}.io-ai-sources{margin-top:6px;max-width:92%;align-self:flex-start;display:flex;flex-direction:column;gap:6px}.io-ai-sources-title{font-size:12px;color:var(--muted-color);margin-bottom:2px}.io-ai-source-card{display:block;background:var(--main-bg-color);border-radius:10px;padding:8px 10px;text-decoration:none;box-shadow:0 2px 8px rgba(20,24,40,.06);opacity:1;transform:translateY(0);transition:transform .2s ease,opacity .3s ease}.io-ai-source-card:hover{transform:translateX(2px)}.io-ai-source-card.io-ai-source-enter{opacity:0;transform:translateY(8px)}.io-ai-source-type{display:inline-block;font-size:11px;color:var(--theme-color);background:var(--theme-color-bg);border-radius:4px;padding:1px 6px;margin-right:4px}.io-ai-source-title{font-size:13px;color:var(--main-color);font-weight:600;line-height:1.4}.io-ai-source-excerpt{font-size:12px;color:var(--muted-color);margin-top:2px;display:-webkit-box;-webkit-line-clamp:1;line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}.io-ai-panel-footer{flex:0 0 auto;display:flex;align-items:flex-end;gap:8px;padding:10px 12px;background:var(--main-bg-color);border-top:1px solid var(--muted-bg-color)}.io-ai-input{flex:1 1 auto;resize:none;color:var(--main-color);border:1px solid var(--muted-shadow);background:var(--main-bg-color);border-radius:10px;padding:7px 10px;font-size:13px;line-height:1.5;max-height:90px;outline:none;font-family:inherit;overflow-y:hidden}.io-ai-input:focus{border-color:var(--theme-color)}.io-ai-send{flex:0 0 auto;width:36px;height:36px;border-radius:50%;border:none;background:var(--theme-color);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:opacity .15s ease}.io-ai-send:disabled{opacity:.45;cursor:not-allowed}@media (max-width:480px){.io-ai-assistant.pos-br,.io-ai-assistant.pos-bl{right:12px;left:12px;bottom:16px}.io-ai-panel{width:calc(100vw - 24px);height:70vh}.io-ai-assistant.pos-bl .io-ai-panel{left:0}}