#vini-chat-btn{position:fixed;bottom:24px;right:24px;width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;cursor:pointer;box-shadow:0 4px 20px rgba(102,126,234,.4);z-index:99999;font-size:26px;display:flex;align-items:center;justify-content:center;transition:all .25s ease;animation:vini-pulse 2s infinite}
#vini-chat-btn:hover{transform:scale(1.08);box-shadow:0 6px 28px rgba(102,126,234,.5)}
@keyframes vini-pulse{0%,100%{box-shadow:0 4px 20px rgba(102,126,234,.4)}50%{box-shadow:0 4px 30px rgba(102,126,234,.7)}}
#vini-chat-window{position:fixed;bottom:90px;right:24px;width:380px;max-width:calc(100vw - 32px);height:560px;max-height:calc(100vh - 120px);background:#fff;border-radius:16px;box-shadow:0 12px 48px rgba(0,0,0,.18);z-index:99999;display:none;flex-direction:column;overflow:hidden;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;animation:vini-slide-up .3s ease}
#vini-chat-window.show{display:flex}
@keyframes vini-slide-up{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
#vini-chat-header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:14px 18px;display:flex;justify-content:space-between;align-items:center;flex-shrink:0}
#vini-chat-header .info h3{margin:0;font-size:15px;font-weight:600}
#vini-chat-header .info p{margin:2px 0 0;font-size:11px;opacity:.85;display:flex;align-items:center;gap:4px}
#vini-chat-header .info p::before{content:'';width:7px;height:7px;border-radius:50%;background:#52c41a;display:inline-block}
#vini-chat-close{background:none;border:none;color:#fff;font-size:22px;cursor:pointer;opacity:.8;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background .2s}
#vini-chat-close:hover{background:rgba(255,255,255,.15);opacity:1}
#vini-chat-messages{flex:1;overflow-y:auto;padding:14px;background:#f5f6fa;scroll-behavior:smooth}
#vini-chat-messages::-webkit-scrollbar{width:4px}
#vini-chat-messages::-webkit-scrollbar-thumb{background:#ccc;border-radius:2px}
.vini-msg{margin-bottom:12px;display:flex;animation:vini-msg-in .3s ease}
@keyframes vini-msg-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.vini-msg.user{justify-content:flex-end}
.vini-msg .bubble{max-width:82%;padding:10px 14px;border-radius:14px;font-size:13.5px;line-height:1.65;word-break:break-word;position:relative}
.vini-msg.assistant .bubble{background:#fff;color:#333;border-bottom-left-radius:4px;box-shadow:0 1px 3px rgba(0,0,0,.08)}
.vini-msg.user .bubble{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-bottom-right-radius:4px}
.vini-msg .time{font-size:10px;color:#aaa;margin-top:4px;text-align:center;clear:both}
.vini-quick-replies{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.vini-quick-btn{padding:6px 12px;background:#f0f2ff;color:#667eea;border:1px solid #d0d5ff;border-radius:16px;font-size:12px;cursor:pointer;transition:all .2s;white-space:nowrap}
.vini-quick-btn:hover{background:#667eea;color:#fff;border-color:#667eea}
.vini-typing{display:inline-flex;gap:4px;padding:6px 4px}
.vini-typing span{width:7px;height:7px;border-radius:50%;background:#999;animation:vini-bounce 1.2s infinite}
.vini-typing span:nth-child(2){animation-delay:.15s}
.vini-typing span:nth-child(3){animation-delay:.3s}
@keyframes vini-bounce{0%,60%,100%{transform:translateY(0);opacity:.5}30%{transform:translateY(-5px);opacity:1}}
#vini-contact-card{margin:10px 14px;padding:14px;background:linear-gradient(135deg,#fff8e6,#fff3cd);border:1px solid #ffe082;border-radius:12px;flex-shrink:0;animation:vini-slide-up .3s ease}
#vini-contact-card p{margin:0 0 10px;font-size:12.5px;color:#856404;font-weight:500}
#vini-contact-card input{width:100%;padding:9px 12px;border:1px solid #ddd;border-radius:8px;font-size:13px;margin-bottom:8px;box-sizing:border-box;outline:none;transition:border .2s}
#vini-contact-card input:focus{border-color:#faad14}
#vini-contact-card button{width:100%;padding:9px;background:linear-gradient(135deg,#faad14,#fa8c16);color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:13.5px;font-weight:500;transition:opacity .2s}
#vini-contact-card button:hover{opacity:.9}
#vini-contact-card .success{text-align:center;color:#52c41a;font-size:13px;padding:8px 0}
#vini-chat-input{padding:10px 12px;border-top:1px solid #eee;display:flex;gap:8px;background:#fff;flex-shrink:0}
#vini-chat-input input{flex:1;padding:10px 16px;border:1px solid #e0e0e0;border-radius:20px;font-size:13.5px;outline:none;transition:border .2s}
#vini-chat-input input:focus{border-color:#667eea}
#vini-chat-input button{padding:10px 18px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:20px;cursor:pointer;font-size:13.5px;font-weight:500;transition:opacity .2s;white-space:nowrap}
#vini-chat-input button:hover{opacity:.9}
#vini-chat-input button:disabled{opacity:.5;cursor:not-allowed}
.vini-footer{padding:8px 14px;background:#fafafa;border-top:1px solid #eee;font-size:11px;color:#999;text-align:center;flex-shrink:0}
.vini-footer a{color:#667eea;text-decoration:none}
@media(max-width:480px){#vini-chat-window{width:calc(100vw - 20px);right:10px;bottom:76px;height:calc(100vh - 100px);max-height:none;border-radius:14px}#vini-chat-btn{bottom:16px;right:16px;width:50px;height:50px;font-size:22px}}