/* ============================================================
   梧桐网站图标样式表
   ============================================================
   
   说明：
   - 本文件定义网站所有图标的样式和引用
   - 图标文件存放在 assets/icons/ 目录下
   - 使用 background-image 引用图片URL，而非base64内联
   - 优点：CSS文件体积小（<5KB），图片可被浏览器缓存
   - 修改图标：替换 assets/icons/ 目录下对应PNG文件即可
   
   图标列表：
   - icon-ai: ai.png (29.9KB)
   - icon-back: back.png (18.3KB)
   - icon-caiyun: caiyun.png (26.7KB)
   - icon-dashboard: dashboard.png (23.2KB)
   - icon-data: data.png (22.8KB)
   - icon-feedback: feedback.png (23.7KB)
   - icon-fortune: fortune.png (30.7KB)
   - icon-fortune_log: fortune_log.png (28.4KB)
   - icon-gallery: gallery.png (25.3KB)
   - icon-ganqing: ganqing.png (23.7KB)
   - icon-home: home.png (25.1KB)
   - icon-info: info.png (22.7KB)
   - icon-jiankang: jiankang.png (22.7KB)
   - icon-music: music.png (26.1KB)
   - icon-renji: renji.png (24.1KB)
   - icon-security: security.png (23.4KB)
   - icon-settings: settings.png (26.4KB)
   - icon-shiye: shiye.png (22.9KB)
   - icon-sms: sms.png (24.3KB)
   - icon-tools: tools.png (27.5KB)
   - icon-visitors: visitors.png (25.0KB)
   - icon-wzry: wzry.png (23.5KB)
   - icon-xingyun: xingyun.png (24.3KB)
   - icon-xueye: xueye.png (25.3KB)
   - icon-zhihui: zhihui.png (29.3KB)
   - icon-zonghe: zonghe.png (27.0KB)
   ============================================================ */

.emoji-icon{width:1.15em;height:1.15em;display:block;margin:0 auto;object-fit:cover;border-radius:6px;box-shadow:0 1px 4px rgba(0,0,0,.25);background-size:cover;background-repeat:no-repeat;background-position:center}
.hero-icon .emoji-icon{width:72px;height:72px;border-radius:20px;box-shadow:0 8px 24px rgba(0,0,0,.4)}
.project-folder .emoji-icon{width:32px;height:32px;border-radius:8px}
.sheet-ic .emoji-icon{width:28px;height:28px;border-radius:8px}
.msg-avatar .emoji-icon{width:36px;height:36px;border-radius:50%}
.tool-icon .emoji-icon{width:100%!important;height:100%!important;display:block!important;margin:0!important;border-radius:16px!important;box-shadow:0 6px 16px rgba(0,0,0,.35)!important}
.card-title .icon .emoji-icon{width:24px!important;height:24px!important;border-radius:6px!important}
.nav-item .icon .emoji-icon,.sidebar .icon .emoji-icon,.menu-item .icon .emoji-icon{width:20px!important;height:20px!important;border-radius:5px!important;box-shadow:0 1px 3px rgba(0,0,0,.3)!important}
.site-stats .emoji-icon,.stats .emoji-icon{width:18px!important;height:18px!important;border-radius:4px!important}
.ml-head .emoji-icon{width:20px!important;height:20px!important;border-radius:5px!important}

.icon-ai{background-image:url('icons/ai.png')}
.icon-back{background-image:url('icons/back.png')}
.icon-caiyun{background-image:url('icons/caiyun.png')}
.icon-dashboard{background-image:url('icons/dashboard.png')}
.icon-data{background-image:url('icons/data.png')}
.icon-feedback{background-image:url('icons/feedback.png')}
.icon-fortune{background-image:url('icons/fortune.png')}
.icon-fortune_log{background-image:url('icons/fortune_log.png')}
.icon-gallery{background-image:url('icons/gallery.png')}
.icon-ganqing{background-image:url('icons/ganqing.png')}
.icon-home{background-image:url('icons/home.png')}
.icon-info{background-image:url('icons/info.png')}
.icon-jiankang{background-image:url('icons/jiankang.png')}
.icon-music{background-image:url('icons/music.png')}
.icon-renji{background-image:url('icons/renji.png')}
.icon-security{background-image:url('icons/security.png')}
.icon-settings{background-image:url('icons/settings.png')}
.icon-shiye{background-image:url('icons/shiye.png')}
.icon-sms{background-image:url('icons/sms.png')}
.icon-tools{background-image:url('icons/tools.png')}
.icon-visitors{background-image:url('icons/visitors.png')}
.icon-wzry{background-image:url('icons/wzry.png')}
.icon-xingyun{background-image:url('icons/xingyun.png')}
.icon-xueye{background-image:url('icons/xueye.png')}
.icon-zhihui{background-image:url('icons/zhihui.png')}
.icon-zonghe{background-image:url('icons/zonghe.png')}