/* SVG内联图标 - 无依赖 */
.fa {
    display: inline-block;
    width: 1em;
    height: 1em;
    vertical-align: -0.125em;
    fill: currentColor;
}

.fa-fw {
    width: 1.25em;
    text-align: center;
}

.fa-home::before { content: "🏠"; font-style: normal; }
.fa-search::before { content: "🔍"; font-style: normal; }
.fa-file-alt::before { content: "📄"; font-style: normal; }
.fa-file::before { content: "📃"; font-style: normal; }
.fa-folder::before { content: "📁"; font-style: normal; }
.fa-bars::before { content: "☰"; font-style: normal; }
.fa-cog::before { content: "⚙️"; font-style: normal; }
.fa-user::before { content: "👤"; font-style: normal; }
.fa-sign-out-alt::before { content: "🚪"; font-style: normal; }
.fa-eye::before { content: "👁"; font-style: normal; }
.fa-edit::before { content: "✏️"; font-style: normal; }
.fa-trash::before { content: "🗑"; font-style: normal; }
.fa-plus::before { content: "➕"; font-style: normal; }
.fa-upload::before { content: "📤"; font-style: normal; }
.fa-download::before { content: "📥"; font-style: normal; }
.fa-link::before { content: "🔗"; font-style: normal; }
.fa-share-alt::before { content: "↗️"; font-style: normal; }
.fa-lock::before { content: "🔒"; font-style: normal; }
.fa-unlock::before { content: "🔓"; font-style: normal; }
.fa-calendar::before { content: "📅"; font-style: normal; }
.fa-clock::before { content: "🕐"; font-style: normal; }
.fa-tag::before { content: "🏷"; font-style: normal; }
.fa-heart::before { content: "❤️"; font-style: normal; }
.fa-star::before { content: "⭐"; font-style: normal; }
.fa-fire::before { content: "🔥"; font-style: normal; }
.fa-inbox::before { content: "📥"; font-style: normal; }
.fa-image::before { content: "🖼"; font-style: normal; }
.fa-film::before { content: "🎬"; font-style: normal; }
.fa-music::before { content: "🎵"; font-style: normal; }
.fa-video::before { content: "🎥"; font-style: normal; }
.fa-code::before { content: "💻"; font-style: normal; }
.fa-bold::before { content: "B"; font-weight: bold; font-style: normal; }
.fa-italic::before { content: "I"; font-style: italic; }
.fa-strikethrough::before { content: "S"; text-decoration: line-through; font-style: normal; }
.fa-heading::before { content: "H"; font-weight: bold; font-style: normal; }
.fa-quote-left::before { content: "❝"; font-style: normal; }
.fa-list-ul::before { content: "•"; font-style: normal; }
.fa-list-ol::before { content: "1."; font-style: normal; }
.fa-file-code::before { content: "📋"; font-style: normal; }
.fa-minus::before { content: "—"; font-style: normal; }
.fa-table::before { content: "▦"; font-style: normal; }
.fa-save::before { content: "💾"; font-style: normal; }
.fa-info-circle::before { content: "ℹ️"; font-style: normal; }
.fa-chevron-left::before { content: "‹"; font-style: normal; }
.fa-chevron-right::before { content: "›"; font-style: normal; }
.fa-chevron-up::before { content: "▴"; font-style: normal; }
.fa-chevron-down::before { content: "▾"; font-style: normal; }
.fa-exclamation-triangle::before { content: "⚠️"; font-style: normal; }
.fa-check::before { content: "✓"; font-style: normal; }
.fa-times::before { content: "✕"; font-style: normal; }