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14px;background:#1f6feb;color:#fff}.support-ava{width:34px;height:34px;border-radius:50%;object-fit:cover;background:#0d1117}.support-head-txt{flex:1}.support-title{font-weight:700;font-size:14px}.support-status{font-size:11px;opacity:.85;display:flex;align-items:center;gap:5px}.support-status .dot{width:7px;height:7px;background:#3fb950;border-radius:50%;display:inline-block}.support-x{background:transparent;border:none;color:#fff;font-size:22px;line-height:1;cursor:pointer;padding:0 4px}.support-body{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px}.support-msg{display:flex;gap:8px;align-items:flex-end;max-width:100%}.support-msg.user{flex-direction:row-reverse}.support-msg-ava{width:26px;height:26px;border-radius:50%;object-fit:cover;flex:0 0 26px}.support-bubble{padding:9px 12px;border-radius:12px;font-size:13px;line-height:1.5;white-space:pre-wrap;word-break:break-word;max-width:250px}.support-msg.assistant .support-bubble{background:#21262d;color:#e6edf3;border-bottom-left-radius:4px}.support-msg.user .support-bubble{background:#1f6feb;color:#fff;border-bottom-right-radius:4px}.support-bubble.typing{display:flex;gap:4px}.support-bubble.typing span{width:6px;height:6px;background:#7d8590;border-radius:50%;animation:support-blink 1.2s infinite both}.support-bubble.typing span:nth-child(2){animation-delay:.2s}.support-bubble.typing span:nth-child(3){animation-delay:.4s}@keyframes support-blink{0%,80%,to{opacity:.25}40%{opacity:1}}.support-input{display:flex;gap:8px;padding:10px;border-top:1px solid #30363d;align-items:flex-end}.support-input textarea{flex:1;resize:none;background:#0d1117;color:#e6edf3;border:1px solid #30363d;border-radius:8px;padding:8px 10px;font-size:13px;font-family:inherit;max-height:96px}.support-input .primary{white-space:nowrap}.code-row{display:flex;gap:8px}.code-row input{flex:1}.code-btn{white-space:nowrap;background:#21262d;color:#e6edf3;border:1px solid #30363d;padding:0 12px;font-size:13px;cursor:pointer}.code-btn:disabled{opacity:.55;cursor:default}.ok-msg{color:#3fb950;font-size:12px}