/* ========== 悬浮AI机器人样式 ========== */
.qhz-ai{position:fixed;left:16px;bottom:24px;z-index:999999;font-family:"Microsoft YaHei","PingFang SC",sans-serif}
.qhz-ai-btn{width:58px;height:58px;border-radius:18px;border:1px solid rgba(0,240,255,.45);background:linear-gradient(135deg,rgba(255,51,153,.92),rgba(0,240,255,.88));box-shadow:0 0 22px rgba(255,51,153,.45),0 0 30px rgba(0,240,255,.25);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s;animation:qhzFloat 3s ease-in-out infinite}
.qhz-ai-btn:hover{transform:translateY(-3px) scale(1.04);box-shadow:0 0 28px rgba(255,51,153,.65),0 0 38px rgba(0,240,255,.35)}
.qhz-ai-btn svg{width:32px;height:32px;filter:drop-shadow(0 0 8px rgba(255,255,255,.45))}
@keyframes qhzFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
.qhz-ai.open .qhz-ai-btn{animation:none;transform:scale(.9);opacity:.6}
.qhz-ai-panel{position:absolute;left:0;bottom:72px;width:min(360px,calc(100vw - 32px));height:min(520px,calc(100vh - 120px));border-radius:18px;background:rgba(10,0,16,.95);border:1px solid rgba(255,51,153,.35);box-shadow:0 16px 50px rgba(0,0,0,.5),0 0 30px rgba(255,51,153,.22);backdrop-filter:blur(18px);overflow:hidden;display:none;flex-direction:column}
.qhz-ai.open .qhz-ai-panel{display:flex;animation:qhzPop .25s ease-out}
@keyframes qhzPop{from{opacity:0;transform:translateY(12px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}
.qhz-ai-head{padding:13px 14px;background:linear-gradient(135deg,rgba(255,51,153,.25),rgba(0,240,255,.14));border-bottom:1px solid rgba(255,255,255,.08);display:flex;align-items:center;justify-content:space-between;flex-shrink:0}
.qhz-ai-title{font-size:14px;font-weight:900;color:#fff;text-shadow:0 0 10px rgba(255,51,153,.45);display:flex;align-items:center;gap:6px}
.qhz-ai-title-dot{width:8px;height:8px;border-radius:50%;background:#0f0;box-shadow:0 0 6px #0f0;animation:qhzPulse 2s infinite}
@keyframes qhzPulse{0%,100%{opacity:1}50%{opacity:.4}}
.qhz-ai-close{border:0;background:rgba(255,255,255,.08);color:#fff;border-radius:8px;width:26px;height:26px;cursor:pointer;font-size:18px;line-height:24px;transition:background .2s}
.qhz-ai-close:hover{background:rgba(255,51,153,.3)}
.qhz-ai-body{flex:1;overflow-y:auto;padding:14px;scroll-behavior:smooth}
.qhz-ai-body::-webkit-scrollbar{width:4px}
.qhz-ai-body::-webkit-scrollbar-thumb{background:rgba(255,51,153,.3);border-radius:4px}
.qhz-ai-msg{font-size:13px;line-height:1.75;color:rgba(255,255,255,.8);padding:10px 12px;border-radius:12px;margin-bottom:10px;animation:qhzMsgIn .3s ease-out}
@keyframes qhzMsgIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.qhz-ai-msg.bot{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);border-top-left-radius:4px}
.qhz-ai-msg.user{background:linear-gradient(135deg,rgba(255,51,153,.15),rgba(0,240,255,.08));border:1px solid rgba(255,51,153,.2);border-top-right-radius:4px;margin-left:30px}
.qhz-ai-msg strong{color:#00f0ff}
.qhz-ai-msg em{color:#ff66bb;font-style:normal}
.qhz-ai-msg code{background:rgba(0,0,0,.3);padding:2px 6px;border-radius:4px;font-size:12px;color:#ffd700}
.qhz-ai-msg ul,.qhz-ai-msg ol{padding-left:18px;margin:6px 0}
.qhz-ai-msg li{margin-bottom:3px}
.qhz-ai-welcome{text-align:center;padding:20px 10px}
.qhz-ai-welcome-icon{font-size:40px;margin-bottom:8px}
.qhz-ai-welcome h3{font-size:15px;color:#ff66bb;margin-bottom:6px}
.qhz-ai-welcome p{font-size:12px;color:rgba(255,255,255,.45);line-height:1.7}
.qhz-ai-tags{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-top:12px}
.qhz-ai-tags button{border:1px solid rgba(255,51,153,.25);background:rgba(255,255,255,.04);color:rgba(255,255,255,.7);border-radius:999px;padding:5px 10px;font-size:11px;cursor:pointer;transition:all .2s}
.qhz-ai-tags button:hover{color:#fff;border-color:#ff3399;background:rgba(255,51,153,.1);transform:translateY(-1px)}
.qhz-ai-typing{display:flex;gap:4px;padding:6px 0 2px}
.qhz-ai-typing span{width:6px;height:6px;border-radius:50%;background:#ff66bb;animation:qhzDot 1.4s ease-in-out infinite}
.qhz-ai-typing span:nth-child(2){animation-delay:.2s}
.qhz-ai-typing span:nth-child(3){animation-delay:.4s}
@keyframes qhzDot{0%,60%,100%{transform:translateY(0);opacity:.4}30%{transform:translateY(-6px);opacity:1}}
.qhz-ai-foot{padding:10px 14px;border-top:1px solid rgba(255,255,255,.06);flex-shrink:0}
.qhz-ai-input{display:flex;gap:8px}
.qhz-ai-input input{flex:1;min-width:0;border-radius:12px;border:1px solid rgba(255,51,153,.32);background:rgba(0,0,0,.28);color:#fff;padding:10px 12px;font-size:13px;outline:none;transition:border-color .2s}
.qhz-ai-input input:focus{border-color:rgba(0,240,255,.55);box-shadow:0 0 12px rgba(0,240,255,.18)}
.qhz-ai-input input::placeholder{color:rgba(255,255,255,.25)}
.qhz-ai-input button{border:0;border-radius:12px;background:linear-gradient(135deg,#ff3399,#00f0ff);color:#fff;font-weight:900;padding:0 14px;cursor:pointer;box-shadow:0 4px 15px rgba(255,51,153,.25);transition:all .2s;font-size:13px}
.qhz-ai-input button:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(255,51,153,.4)}
.qhz-ai-input button:disabled{opacity:.4;cursor:not-allowed;transform:none}
.qhz-ai-hint{font-size:10px;color:rgba(255,255,255,.2);text-align:center;margin-top:6px}
.qhz-ai-clear{position:absolute;top:50px;right:8px;border:0;background:rgba(255,255,255,.06);color:rgba(255,255,255,.4);border-radius:8px;width:24px;height:24px;cursor:pointer;font-size:12px;transition:all .2s;z-index:1}
.qhz-ai-clear:hover{background:rgba(255,51,153,.15);color:#fff}
@media(max-width:640px){.qhz-ai{left:10px;bottom:16px}.qhz-ai-btn{width:50px;height:50px;border-radius:15px}.qhz-ai-panel{width:calc(100vw - 20px);height:min(480px,calc(100vh - 80px));left:0}.qhz-ai-msg{font-size:12px;padding:8px 10px}.qhz-ai-tags button{font-size:10px;padding:4px 8px}}