/* 本地PNG图标库样式 */
.local-icon {
    display: inline-block;
    width: 16px;
    height: 16px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    margin-right: 8px;
    vertical-align: middle;
}

/* 知乎图标 */
.local-icon-zhihu { 
    background-image: url('../img/icons/zhihu.png'); 
}

/* 其他图标 */
.local-icon-box-archive { background-image: url('../img/icons/box-archive.png'); }
.local-icon-shapes { background-image: url('../img/icons/shapes.png'); }
.local-icon-tags { background-image: url('../img/icons/tags.png'); }
.local-icon-artstation { background-image: url('../img/icons/artstation.png'); }
.local-icon-gear { background-image: url('../img/icons/gear.png'); }
.local-icon-download { background-image: url('../img/icons/download.png'); }
.local-icon-github { background-image: url('../img/icons/github.png'); }
.local-icon-list-ul { background-image: url('../img/icons/list-ul.png'); }
.local-icon-folder-open { background-image: url('../img/icons/folder-open.png'); }
.local-icon-file-lines { background-image: url('../img/icons/file-lines.png'); }
.local-icon-heartbeat { background-image: url('../img/icons/heartbeat.png'); }
.local-icon-pencil { background-image: url('../img/icons/pencil.png'); }
.local-icon-shoe-prints { background-image: url('../img/icons/shoe-prints.png'); }
.local-icon-bilibili { background-image: url('../img/icons/bilibili.png'); }
.local-icon-weibo { background-image: url('../img/icons/weibo.png'); }
.local-icon-envelope { background-image: url('../img/icons/envelope.png'); }
.local-icon-train { background-image: url('../img/icons/train.png'); }
.local-icon-dove { background-image: url('../img/icons/dove.png'); }
.local-icon-instagram { background-image: url('../img/icons/instagram.png'); }
.local-icon-facebook1 { background-image: url('../img/icons/facebook1.png'); }