/* Font Awesome图标库 - 本地化版本 */
.fas, .fab, .far {
    font-family: Arial, sans-serif;
    font-weight: normal;
}

.fa-qq:before { content: "QQ"; }
.fa-calculator:before { content: "📊"; }
.fa-heart:before { content: "❤️"; }
.fa-shield-alt:before { content: "🛡️"; }
.fa-bolt:before { content: "⚡"; }
.fa-chart-line:before { content: "📈"; }
.fa-chart-bar:before { content: "📊"; }