/* 优化的Font Awesome图标 - 只包含实际使用的图标 */

/* 基础样式 */
.fas, .fab, .far {
    -moz-osx-font-smoothing: grayscale;
    -webkit-font-smoothing: antialiased;
    display: inline-block;
    font-style: normal;
    font-variant: normal;
    text-rendering: auto;
    line-height: 1;
}

/* 字体定义 */
@font-face {
    font-family: "Font Awesome 6 Free";
    font-style: normal;
    font-weight: 900;
    font-display: block;
    src: url("../fonts/fa-solid-900.woff2") format("woff2");
}

@font-face {
    font-family: "Font Awesome 6 Brands";
    font-style: normal;
    font-weight: 400;
    font-display: block;
    src: url("../fonts/fa-brands-400.woff2") format("woff2");
}

.fas { font-family: "Font Awesome 6 Free"; font-weight: 900; }
.fab { font-family: "Font Awesome 6 Brands"; font-weight: 400; }

/* 实际使用的图标 */
.fa-angle-double-left:before { content: "\f100"; }
.fa-angle-double-right:before { content: "\f101"; }
.fa-angle-left:before { content: "\f104"; }
.fa-angle-right:before { content: "\f105"; }
.fa-archive:before { content: "\f187"; }
.fa-arrow-left:before { content: "\f060"; }
.fa-arrow-right:before { content: "\f061"; }
.fa-bookmark:before { content: "\f02e"; }
.fa-calendar:before { content: "\f133"; }
.fa-check:before { content: "\f00c"; }
.fa-chevron-left:before { content: "\f053"; }
.fa-chevron-right:before { content: "\f054"; }
.fa-clock:before { content: "\f017"; }
.fa-cog:before { content: "\f013"; }
.fa-comment:before { content: "\f075"; }
.fa-comment-slash:before { content: "\f4b3"; }
.fa-comments:before { content: "\f086"; }
.fa-envelope:before { content: "\f0e0"; }
.fa-exclamation-triangle:before { content: "\f071"; }
.fa-eye:before { content: "\f06e"; }
.fa-file-alt:before { content: "\f15c"; }
.fa-folder:before { content: "\f07b"; }
.fa-github:before { content: "\f09b"; }
.fa-globe:before { content: "\f0ac"; }
.fa-heart:before { content: "\f004"; }
.fa-home:before { content: "\f015"; }
.fa-image:before { content: "\f03e"; }
.fa-info-circle:before { content: "\f05a"; }
.fa-link:before { content: "\f0c1"; }
.fa-linkedin:before { content: "\f08c"; }
.fa-list:before { content: "\f03a"; }
.fa-lock:before { content: "\f023"; }
.fa-moon:before { content: "\f186"; }
.fa-newspaper:before { content: "\f1ea"; }
.fa-paper-plane:before { content: "\f1d8"; }
.fa-qq:before { content: "\f1d6"; }
.fa-reply:before { content: "\f3e5"; }
.fa-search:before { content: "\f002"; }
.fa-share:before { content: "\f064"; }
.fa-share-alt:before { content: "\f1e0"; }
.fa-sign-in-alt:before { content: "\f2f6"; }
.fa-sign-out-alt:before { content: "\f2f5"; }
.fa-spinner:before { content: "\f110"; }
.fa-star:before { content: "\f005"; }
.fa-sun:before { content: "\f185"; }
.fa-tag:before { content: "\f02b"; }
.fa-tags:before { content: "\f02c"; }
.fa-times:before { content: "\f00d"; }
.fa-user:before { content: "\f007"; }
.fa-user-circle:before { content: "\f2bd"; }
.fa-weibo:before { content: "\f18a"; }
.fa-weixin:before { content: "\f1d7"; }
.fa-x-twitter:before { content: "\e61b"; }

/* 图标大小 */
.fa-xs { font-size: 0.75em; }
.fa-sm { font-size: 0.875em; }
.fa-lg { font-size: 1.33333em; line-height: 0.75em; vertical-align: -0.0667em; }
.fa-1x { font-size: 1em; }
.fa-2x { font-size: 2em; }
.fa-3x { font-size: 3em; }

/* 动画 */
@keyframes fa-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
.fa-spin { animation: fa-spin 2s linear infinite; }

/* 响应式 */
@media (max-width: 768px) {
    .fa-lg { font-size: 1.2em; }
    .fa-2x { font-size: 1.5em; }
    .fa-3x { font-size: 2em; }
}