.chat-bubble{z-index:9999;background:var(--ag-lift,#c8102e);color:#fff;cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;width:60px;height:60px;transition:all .2s;display:flex;position:fixed;bottom:28px;right:28px;box-shadow:0 4px 20px #c8102e66}.chat-bubble:hover{transform:scale(1.08);box-shadow:0 6px 28px #c8102e80}.chat-bubble-badge{color:#fff;background:#111827;border:2px solid #fff;border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;font-size:.7rem;font-weight:700;display:flex;position:absolute;top:-4px;right:-4px}.chat-bubble-pulse{animation:2s ease-in-out infinite chatPulse}@keyframes chatPulse{0%,to{box-shadow:0 4px 20px #c8102e66}50%{box-shadow:0 4px 30px #c8102eb3,0 0 0 8px #c8102e1a}}.chat-window{z-index:9998;width:380px;max-height:520px;font-family:var(--ag-font-ui,"Inter", system-ui, sans-serif);background:#fff;border-radius:16px;flex-direction:column;display:flex;position:fixed;bottom:100px;right:28px;overflow:hidden;box-shadow:0 20px 60px #00000026,0 0 0 1px #0000000d}.chat-header{color:#fff;background:linear-gradient(135deg,#111827 0%,#1f2937 100%);flex-shrink:0;justify-content:space-between;align-items:center;padding:18px 20px;display:flex}.chat-header-info{align-items:center;gap:12px;display:flex}.chat-header-avatar{width:40px;height:40px;color:var(--ag-lift,#c8102e);background:#c8102e33;border-radius:50%;justify-content:center;align-items:center;display:flex}.chat-header-text h4{color:#fff;margin:0;font-size:.95rem;font-weight:700}.chat-header-text span{color:#fff9;font-size:.75rem}.chat-header-status{align-items:center;gap:4px;display:flex}.chat-status-dot{background:#34d399;border-radius:50%;width:8px;height:8px;animation:2s ease-in-out infinite statusPulse}@keyframes statusPulse{0%,to{opacity:1}50%{opacity:.5}}.chat-close{color:#fff;cursor:pointer;background:#ffffff1a;border:none;border-radius:8px;align-items:center;padding:6px;transition:background .15s;display:flex}.chat-close:hover{background:#fff3}.chat-intro{flex-direction:column;gap:16px;padding:24px 20px;display:flex}.chat-intro h4{color:#111827;margin:0;font-size:1rem;font-weight:700}.chat-intro p{color:#6b7280;margin:0;font-size:.85rem;line-height:1.5}.chat-intro-input{color:#111827;background:#f9fafb;border:2px solid #e5e7eb;border-radius:8px;outline:none;width:100%;padding:12px 14px;font-family:inherit;font-size:.9rem;transition:border-color .15s}.chat-intro-input:focus{border-color:var(--ag-lift,#c8102e);background:#fff}.chat-intro-input::placeholder{color:#9ca3af}.chat-intro-btn{background:var(--ag-lift,#c8102e);color:#fff;cursor:pointer;border:none;border-radius:8px;width:100%;padding:12px;font-family:inherit;font-size:.9rem;font-weight:700;transition:all .15s}.chat-intro-btn:hover{background:#e31234}.chat-intro-btn:disabled{cursor:not-allowed;background:#d1d5db}.chat-messages{background:#f9fafb;flex-direction:column;flex:1;gap:10px;min-height:250px;max-height:300px;padding:16px;display:flex;overflow-y:auto}.chat-messages::-webkit-scrollbar{width:4px}.chat-messages::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:4px}.chat-msg{word-wrap:break-word;border-radius:12px;max-width:80%;padding:10px 14px;font-size:.88rem;line-height:1.5}.chat-msg-visitor{background:var(--ag-lift,#c8102e);color:#fff;border-bottom-right-radius:4px;align-self:flex-end}.chat-msg-operator{color:#111827;background:#fff;border:1px solid #e5e7eb;border-bottom-left-radius:4px;align-self:flex-start}.chat-msg-system{color:#4338ca;text-align:center;background:#eef2ff;border-radius:8px;align-self:center;max-width:90%;font-size:.8rem}.chat-msg-time{opacity:.6;margin-top:4px;font-size:.65rem}.chat-msg-visitor .chat-msg-time{text-align:right;color:#ffffffb3}.chat-msg-operator .chat-msg-time{color:#9ca3af}.chat-input-area{background:#fff;border-top:1px solid #e5e7eb;flex-shrink:0;align-items:center;gap:8px;padding:12px 16px;display:flex}.chat-input{color:#111827;resize:none;background:#f9fafb;border:2px solid #e5e7eb;border-radius:10px;outline:none;flex:1;max-height:80px;padding:10px 14px;font-family:inherit;font-size:.88rem;transition:border-color .15s}.chat-input:focus{border-color:var(--ag-lift,#c8102e);background:#fff}.chat-input::placeholder{color:#9ca3af}.chat-send-btn{background:var(--ag-lift,#c8102e);color:#fff;cursor:pointer;border:none;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;transition:all .15s;display:flex}.chat-send-btn:hover{background:#e31234;transform:scale(1.05)}.chat-send-btn:disabled{cursor:not-allowed;background:#d1d5db;transform:none}@media (max-width:480px){.chat-window{border-radius:0;width:100%;height:100vh;max-height:100vh;bottom:0;right:0}.chat-messages{max-height:calc(100vh - 220px)}.chat-bubble{bottom:20px;right:20px}}.chat-intro-agreement{align-items:flex-start;margin-top:4px;display:flex}.chat-intro-agreement-label{cursor:pointer;-webkit-user-select:none;user-select:none;align-items:flex-start;gap:8px;display:flex}.chat-intro-checkbox{cursor:pointer;accent-color:var(--ag-lift,#c8102e);margin-top:3px}.chat-intro-agreement-text{color:#6b7280;text-align:left;font-size:.78rem;line-height:1.4}.chat-intro-link{color:var(--ag-lift,#c8102e);font-weight:500;text-decoration:underline;transition:opacity .15s}.chat-intro-link:hover{opacity:.8}