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var(--transition-fast)}.setting-btn:hover{background:var(--bg-tertiary);border-color:var(--accent-primary);box-shadow:var(--molten-glow-soft)}.setting-btn.danger{color:var(--error);border-color:#ef44444d;background:transparent}.setting-btn.danger:hover{background:#ef44441a;border-color:var(--error);box-shadow:0 0 15px #ef444433}.about-card{grid-column:span 2}.about-section{padding:24px;display:flex;align-items:center;gap:24px}.about-logo{flex-shrink:0;width:72px;height:72px;display:flex;align-items:center;justify-content:center;background:var(--bg-tertiary);border:1px solid var(--border-primary);border-radius:var(--radius-lg);color:var(--accent-primary);box-shadow:var(--molten-glow-soft)}.about-info{flex:1}.about-info h4{font-size:18px;font-weight:600;margin-bottom:4px;background:var(--molten-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.about-version{font-size:13px;color:var(--accent-primary);font-weight:500;margin-bottom:8px}.about-desc{font-size:13px;color:var(--text-secondary);margin-bottom:6px}.about-copyright{font-size:12px;color:var(--text-tertiary)}.about-stats{display:flex;gap:16px}.about-stat{display:flex;flex-direction:column;align-items:center;padding:16px 20px;background:var(--bg-primary);border:1px solid var(--border-primary);border-radius:var(--radius-md);min-width:130px;transition:all var(--transition-fast)}.about-stat:hover{border-color:var(--border-accent);box-shadow:var(--molten-glow-soft)}.about-stat-value{font-size:22px;font-weight:700;background:var(--molten-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.about-stat-label{font-size:11px;color:var(--text-tertiary);text-align:center;margin-top:4px;text-transform:uppercase;letter-spacing:.5px}@media (max-width: 1200px){.settings-layout{grid-template-columns:1fr}.about-card{grid-column:span 1}.about-section{flex-direction:column;text-align:center;gap:20px}.about-stats{width:100%;justify-content:center}}@media (max-width: 600px){.about-stats{flex-direction:column;gap:12px}.about-stat{width:100%}.setting-item{flex-direction:column;align-items:flex-start;gap:12px}.setting-select,.setting-btn{width:100%}}