/* 内联图标：mask + data-URI，无字体、无外链。
   保留 bi bi-* 命名，方便旧组件直接复用。 */
i.bi{
  display:inline-block;width:14px;height:14px;flex:none;
  background-color:currentColor;vertical-align:-2px;
  -webkit-mask-image:var(--i);mask-image:var(--i);
  -webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;
  -webkit-mask-position:center;mask-position:center;
  -webkit-mask-size:contain;mask-size:contain;
}
i.bi.sm{width:12px;height:12px;vertical-align:-1px}
i.bi.lg{width:17px;height:17px;vertical-align:-3px}

/* 定位 */
.bi-geo-alt,.bi-geo-alt-fill,.bi-pin-map-fill{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 21s7-6.2 7-11a7 7 0 1 0-14 0c0 4.8 7 11 7 11z'/%3E%3Ccircle cx='12' cy='10' r='2.2'/%3E%3C/svg%3E")}

/* 盾牌 */
.bi-shield,.bi-shield-fill,.bi-shield-check,.bi-shield-exclamation,.bi-shield-lock,.bi-shield-x{
  --i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3l7 3v5.5c0 4.4-3 8-7 9.5-4-1.5-7-5.1-7-9.5V6z'/%3E%3C/svg%3E")}
.bi-shield-check{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3l7 3v5.5c0 4.4-3 8-7 9.5-4-1.5-7-5.1-7-9.5V6z'/%3E%3Cpath d='M9 12l2.2 2.2L15.5 10'/%3E%3C/svg%3E")}
.bi-shield-lock{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3l7 3v5.5c0 4.4-3 8-7 9.5-4-1.5-7-5.1-7-9.5V6z'/%3E%3Crect x='9.5' y='10.5' width='5' height='4' rx='1'/%3E%3C/svg%3E")}
.bi-shield-exclamation{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3l7 3v5.5c0 4.4-3 8-7 9.5-4-1.5-7-5.1-7-9.5V6z'/%3E%3Cpath d='M12 8.5v4'/%3E%3Cpath d='M12 15.2v.1'/%3E%3C/svg%3E")}
.bi-shield-x{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3l7 3v5.5c0 4.4-3 8-7 9.5-4-1.5-7-5.1-7-9.5V6z'/%3E%3Cpath d='M9.8 9.8l4.4 4.4M14.2 9.8l-4.4 4.4'/%3E%3C/svg%3E")}

/* 勾 */
.bi-check2,.bi-check2-circle,.bi-check-circle-fill{
  --i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.6 4.5L19 7.5'/%3E%3C/svg%3E")}
.bi-check2-circle,.bi-check-circle-fill{
  --i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cpath d='M8.2 12.2l2.6 2.6 5-5.2'/%3E%3C/svg%3E")}

/* 警示 / 关闭 */
.bi-exclamation-triangle,.bi-exclamation-circle,.bi-exclamation-circle-fill{
  --i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 4.2l8.6 15.3H3.4z'/%3E%3Cpath d='M12 10v4'/%3E%3Cpath d='M12 16.8v.1'/%3E%3C/svg%3E")}
.bi-exclamation-circle,.bi-exclamation-circle-fill{
  --i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cpath d='M12 7.5v5'/%3E%3Cpath d='M12 16.2v.1'/%3E%3C/svg%3E")}
.bi-x-circle-fill{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cpath d='M9 9l6 6M15 9l-6 6'/%3E%3C/svg%3E")}
.bi-question-circle{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cpath d='M9.6 9.4a2.5 2.5 0 1 1 3.5 2.3c-.7.3-1.1.9-1.1 1.6v.3'/%3E%3Cpath d='M12 17v.1'/%3E%3C/svg%3E")}

/* 方向 */
.bi-chevron-down{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9.5l6 6 6-6'/%3E%3C/svg%3E")}
.bi-arrow-up{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 20V5M6 11l6-6 6 6'/%3E%3C/svg%3E")}

/* 复制 / 删除 */
.bi-clipboard{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='9' y='9' width='11' height='11' rx='1.5'/%3E%3Cpath d='M15 9V5.5A1.5 1.5 0 0 0 13.5 4h-8A1.5 1.5 0 0 0 4 5.5v8A1.5 1.5 0 0 0 5.5 15H9'/%3E%3C/svg%3E")}
.bi-trash3{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 7h16M9.5 7V4h5v3M6.5 7l.9 13h9.2l.9-13M10.5 11v6M13.5 11v6'/%3E%3C/svg%3E")}

/* 时间 */
.bi-clock,.bi-clock-history,.bi-hourglass-split{
  --i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cpath d='M12 7v5.3l3.4 2'/%3E%3C/svg%3E")}

/* 数据 / 主机 */
.bi-database,.bi-server,.bi-hdd-network{
  --i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cellipse cx='12' cy='6' rx='7.5' ry='2.8'/%3E%3Cpath d='M4.5 6v12c0 1.5 3.4 2.8 7.5 2.8s7.5-1.3 7.5-2.8V6'/%3E%3Cpath d='M4.5 12c0 1.5 3.4 2.8 7.5 2.8s7.5-1.3 7.5-2.8'/%3E%3C/svg%3E")}
.bi-server{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='4' y='4' width='16' height='6' rx='1.2'/%3E%3Crect x='4' y='14' width='16' height='6' rx='1.2'/%3E%3Cpath d='M7.5 7v.1M7.5 17v.1'/%3E%3C/svg%3E")}
.bi-hdd-network{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='13' width='18' height='7' rx='1.4'/%3E%3Cpath d='M6.5 16.5v.1M10 16.5v.1'/%3E%3Cpath d='M7 13V6a2 2 0 0 1 2-2h6a2 2 0 0 1 2 2v7'/%3E%3C/svg%3E")}

/* 网络 */
.bi-globe,.bi-globe2,.bi-diagram-3{
  --i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cpath d='M3 12h18'/%3E%3Cpath d='M12 3c2.4 2.5 3.8 5.6 3.8 9S14.4 18.5 12 21c-2.4-2.5-3.8-5.6-3.8-9S9.6 5.5 12 3z'/%3E%3C/svg%3E")}
.bi-diagram-3{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='5' r='2.2'/%3E%3Ccircle cx='5.5' cy='19' r='2.2'/%3E%3Ccircle cx='18.5' cy='19' r='2.2'/%3E%3Cpath d='M12 7.2v4.3M12 11.5H5.5v5.3M12 11.5h6.5v5.3'/%3E%3C/svg%3E")}
.bi-wifi,.bi-broadcast,.bi-phone{
  --i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3.5 9.2a12 12 0 0 1 17 0M6.8 12.8a8 8 0 0 1 10.4 0M10 16.3a3.8 3.8 0 0 1 4 0'/%3E%3Cpath d='M12 19.6v.1'/%3E%3C/svg%3E")}
.bi-broadcast{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='2'/%3E%3Cpath d='M7.8 7.8a6 6 0 0 0 0 8.4M16.2 16.2a6 6 0 0 0 0-8.4M4.9 4.9a10 10 0 0 0 0 14.2M19.1 19.1a10 10 0 0 0 0-14.2'/%3E%3C/svg%3E")}
.bi-phone{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='10.5' width='18' height='10.5' rx='1.5'/%3E%3Cpath d='M8 21v-6.5M16 21v-6.5'/%3E%3C/svg%3E")}

/* 其它 */
.bi-search{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.9' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='10.5' cy='10.5' r='6.2'/%3E%3Cpath d='M15.2 15.2L20 20'/%3E%3C/svg%3E")}
.bi-fingerprint{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 4.2a8 8 0 0 1 8 8'/%3E%3Cpath d='M4 12.2a8 8 0 0 1 3.4-6.6'/%3E%3Cpath d='M7.6 15.6a5 5 0 0 1-.9-2.9A5.3 5.3 0 0 1 12 7.4a5.3 5.3 0 0 1 5.3 5.3c0 1.9-.3 3.5-.8 5'/%3E%3Cpath d='M12 12.5v3.8'/%3E%3C/svg%3E")}
.bi-flag-fill{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 20.5V4h11l-1.6 4.2L17 12.4H6'/%3E%3C/svg%3E")}
.bi-building{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 21V4h9v17M14 9h5v12M3 21h18'/%3E%3Cpath d='M8 8h3M8 12h3M8 16h3M17 12.5v.1M17 16.5v.1'/%3E%3C/svg%3E")}
.bi-activity{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 12h4l2.5-7 4 14 2.5-7H21'/%3E%3C/svg%3E")}
.bi-plug{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9 3v5M15 3v5'/%3E%3Cpath d='M6 8h12v3a6 6 0 0 1-12 0z'/%3E%3Cpath d='M12 17v4'/%3E%3C/svg%3E")}
.bi-list{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 7h16M4 12h16M4 17h10'/%3E%3C/svg%3E")}
.bi-terminal{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='4' width='18' height='16' rx='1.5'/%3E%3Cpath d='M7 9.5l3 2.5-3 2.5M12.5 15H17'/%3E%3C/svg%3E")}
.bi-lock{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='4.5' y='10.5' width='15' height='10' rx='1.6'/%3E%3Cpath d='M8 10.5V7.8a4 4 0 0 1 8 0v2.7'/%3E%3C/svg%3E")}

/* 补充：堆叠主机 / 清单 / 编辑 / 直尺 / 表格 */
.bi-hdd-stack{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3.5' y='4' width='17' height='6' rx='1.6'/%3E%3Crect x='3.5' y='14' width='17' height='6' rx='1.6'/%3E%3Cpath d='M7 7h.1M7 17h.1'/%3E%3C/svg%3E")}
.bi-list-check{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 6.5l2 2 3-3.5'/%3E%3Cpath d='M4 17.5l2 2 3-3.5'/%3E%3Cpath d='M13 7h7M13 17h7'/%3E%3C/svg%3E")}
.bi-pencil-square{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M11 5H6a2 2 0 0 0-2 2v10a2 2 0 0 0 2 2h10a2 2 0 0 0 2-2v-5'/%3E%3Cpath d='M17.5 4.5a1.9 1.9 0 0 1 2.7 2.7L13 14.4l-3.4.8.8-3.4z'/%3E%3C/svg%3E")}
.bi-rulers{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='8' width='18' height='8' rx='1.4'/%3E%3Cpath d='M7.5 8v3M11 8v4M14.5 8v3M18 8v4'/%3E%3C/svg%3E")}
.bi-table{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3.5' y='4.5' width='17' height='15' rx='1.4'/%3E%3Cpath d='M3.5 9.5h17M9.5 9.5v10M3.5 14.5h17'/%3E%3C/svg%3E")}