/* 备用图标样式 - 当Font Awesome无法加载时使用 */

/* Facebook图标 */
.fab.fa-facebook::before {
    content: "📘";
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

/* Instagram图标 */
.fab.fa-instagram::before {
    content: "📷";
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

/* WhatsApp图标 */
.fab.fa-whatsapp::before {
    content: "💬";
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

/* 电话图标 */
.fas.fa-phone::before {
    content: "📞";
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

/* 时钟图标 */
.fas.fa-clock::before {
    content: "🕐";
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

/* 盾牌图标 */
.fas.fa-shield-alt::before {
    content: "🛡️";
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

/* 用户图标 */
.fas.fa-users::before {
    content: "👥";
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

/* 美元图标 */
.fas.fa-dollar-sign::before {
    content: "💰";
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

/* 握手图标 */
.fas.fa-handshake::before {
    content: "🤝";
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

/* 地图标记图标 */
.fas.fa-map-marker-alt::before {
    content: "📍";
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

/* 信封图标 */
.fas.fa-envelope::before {
    content: "✉️";
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

/* 星形图标 */
.fas.fa-star::before {
    content: "⭐";
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

/* 箭头图标 */
.fas.fa-chevron-left::before {
    content: "◀";
    font-family: sans-serif;
}

.fas.fa-chevron-right::before {
    content: "▶";
    font-family: sans-serif;
}

.fas.fa-chevron-down::before {
    content: "▼";
    font-family: sans-serif;
}

/* 检查图标 */
.fas.fa-check::before {
    content: "✓";
    font-family: sans-serif;
}

/* 证书图标 */
.fas.fa-certificate::before {
    content: "🏆";
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

/* 奖杯图标 */
.fas.fa-award::before {
    content: "🏅";
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

/* 叶子图标 */
.fas.fa-leaf::before {
    content: "🌿";
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

/* 音乐图标 */
.fas.fa-music::before {
    content: "🎵";
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

/* 盒子图标 */
.fas.fa-box::before {
    content: "📦";
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

/* 建筑图标 */
.fas.fa-building::before {
    content: "🏢";
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

/* 房子图标 */
.fas.fa-home::before {
    content: "🏠";
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

/* 移动卡车图标 */
.fas.fa-truck::before {
    content: "🚛";
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

/* 关闭图标 */
.fas.fa-times::before {
    content: "✕";
    font-family: sans-serif;
}

/* 搜索图标 */
.fas.fa-search::before {
    content: "🔍";
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

/* 设置图标 */
.fas.fa-cog::before {
    content: "⚙️";
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

/* 用户图标 */
.fas.fa-user::before {
    content: "👤";
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

/* 设置图标 */
.fas.fa-bars::before {
    content: "☰";
    font-family: sans-serif;
}

/* 服务器图标 */
.fas.fa-server::before {
    content: "🖥️";
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

/* 文件图标 */
.fas.fa-file-alt::before {
    content: "📄";
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

/* 日历图标 */
.fas.fa-calendar-alt::before {
    content: "📅";
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

/* 调色板图标 */
.fas.fa-palette::before {
    content: "🎨";
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

/* 仓库图标 */
.fas.fa-warehouse::before {
    content: "🏭";
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

/* 相机图标 */
.fas.fa-camera::before {
    content: "📷";
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

/* 温度计图标 */
.fas.fa-thermometer-half::before {
    content: "🌡️";
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

/* 锁图标 */
.fas.fa-lock::before {
    content: "🔒";
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

/* 奖牌图标 */
.fas.fa-medal::before {
    content: "🥇";
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

/* 工具图标 */
.fas.fa-tools::before {
    content: "🔧";
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}

/* 当Font Awesome加载失败时的备用样式 */
@supports not (font-family: "Font Awesome 6 Free") {
    .fab, .fas {
        font-family: inherit !important;
    }
    
    .fab::before, .fas::before {
        font-size: 1.2em;
        line-height: 1;
    }
}