/* 图标备选方案 - 在图标字体无法加载时使用 */
.bi-globe::before { content: "🌐"; }
.bi-flag::before { content: "🏳️"; }
.bi-map::before { content: "🗺️"; }
.bi-building::before { content: "🏢"; }
.bi-geo-alt::before { content: "📍"; }
.bi-shield-check::before { content: "🛡️"; }
.bi-speedometer2::before { content: "⏱️"; }
.bi-database-check::before { content: "🗄️"; }
.bi-search::before { content: "🔍"; }
.bi-info-circle::before { content: "ℹ️"; }