/* Font Awesome 简化版 - 使用Unicode字符 */
.fa, .fas, .far, .fal, .fab {
  font-style: normal;
  font-weight: normal;
  display: inline-block;
  text-rendering: auto;
  line-height: 1;
}

.fa-home::before { content: "🏠"; }
.fa-user::before { content: "👤"; }
.fa-cog::before { content: "⚙️"; }
.fa-bars::before { content: "☰"; }
.fa-times::before { content: "✕"; }
.fa-check::before { content: "✓"; }
.fa-search::before { content: "🔍"; }
.fa-edit::before { content: "✏️"; }
.fa-trash::before { content: "🗑️"; }
.fa-save::before { content: "💾"; }
.fa-download::before { content: "⬇️"; }
.fa-upload::before { content: "⬆️"; }
.fa-refresh::before { content: "🔄"; }
.fa-plus::before { content: "+"; }
.fa-minus::before { content: "-"; }
.fa-arrow-left::before { content: "←"; }
.fa-arrow-right::before { content: "→"; }
.fa-arrow-up::before { content: "↑"; }
.fa-arrow-down::before { content: "↓"; }
.fa-exclamation-triangle::before { content: "⚠️"; }
.fa-info-circle::before { content: "ⓘ"; }
.fa-lock::before { content: "🔒"; }
.fa-unlock::before { content: "🔓"; }
.fa-eye::before { content: "👁️"; }
.fa-eye-slash::before { content: "👁️‍🗨️"; }
.fa-calendar::before { content: "📅"; }
.fa-clock::before { content: "🕒"; }
.fa-filter::before { content: "🔧"; }
.fa-sort::before { content: "↕️"; }
.fa-sort-up::before { content: "↑"; }
.fa-sort-down::before { content: "↓"; }
.fa-envelope::before { content: "✉️"; }
.fa-phone::before { content: "📞"; }
.fa-bell::before { content: "🔔"; }
.fa-image::before { content: "🖼️"; }
.fa-file::before { content: "📄"; }
.fa-folder::before { content: "📁"; }