#sky-waifu { position:fixed; bottom:30px; left:30px; width:70px; height:70px; cursor:pointer; z-index:9990; transition:transform .3s; animation:skyFloat 4s infinite ease-in-out; }
        #sky-waifu img { width:100%; height:100%; filter:drop-shadow(0 5px 15px rgba(0,0,0,0.2)); }
        #sky-waifu:hover { transform:scale(1.1) rotate(10deg); }
        @keyframes skyFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
        #sky-waifu-tips { position:absolute; bottom:80px; left:0; width:180px; background:#fff; color:#333; padding:10px; border-radius:10px; box-shadow:0 5px 15px rgba(0,0,0,0.1); font-size:13px; line-height:1.4; opacity:0; transform:translateY(10px); transition:all 0.4s; pointer-events:none; }
        #sky-waifu-tips.show { opacity:1; transform:translateY(0); pointer-events:auto; }
        #sky-chat-box { position:fixed; bottom:110px; left:30px; width:340px; height:480px; background:#fff; border-radius:12px; box-shadow:0 10px 30px rgba(0,0,0,0.15); z-index:10000; display:none; flex-direction:column; overflow:hidden; font-family:sans-serif; border:1px solid #e2e8f0; }
        .sky-head { padding:15px; background:linear-gradient(135deg, #6366f1, #a855f7); color:#fff; font-weight:bold; display:flex; justify-content:space-between; }
        #sky-chat-msgs { flex:1; padding:15px; overflow-y:auto; background:#f8fafc; }
        .sky-msg { padding:8px 12px; border-radius:8px; margin-bottom:10px; font-size:14px; max-width:85%; word-wrap:break-word; line-height:1.5; }
        .sky-msg.ai { background:#fff; border:1px solid #e2e8f0; align-self:flex-start; color:#334155; }
        .sky-msg.user { background:#6366f1; color:#fff; margin-left:auto; }
        .sky-foot { padding:12px; border-top:1px solid #eee; display:flex; gap:8px; background:#fff; }
        #sky-chat-in { flex:1; border:1px solid #cbd5e1; padding:8px 12px; border-radius:20px; outline:none; font-size:14px; }
        #sky-chat-in:focus { border-color:#6366f1; }