:root{--el-border-radius-base:6px;--el-border-radius-small:4px;--bt-brand-start:#1677ff;--bt-brand-end:#36cfc9;--bt-bg:#f0f2f5;--bt-sidebar-bg:#0f1f3d;--bt-sidebar-bg-deep:#0b1830;--el-color-primary:#1677ff!important;--el-color-primary-light-3:#4f9bff!important;--el-color-primary-light-5:#8cbfff!important;--el-color-primary-light-7:#c2dcff!important;--el-color-primary-light-8:#d9e9ff!important;--el-color-primary-light-9:#eef5ff!important;--el-color-primary-dark-2:#0f5cd9!important}*{box-sizing:border-box}html,body,#app{height:100%;margin:0;padding:0}body{background:var(--bt-bg);color:#303133;-webkit-font-smoothing:antialiased;font-family:Helvetica Neue,Helvetica,PingFang SC,Microsoft YaHei,Arial,sans-serif}.bt-page{padding:2px}.bt-card{background:#fff;border-radius:10px;padding:20px;box-shadow:0 1px 4px #0f1f3d14}.bt-card+.bt-card{margin-top:16px}.bt-page-header{margin-bottom:16px}.bt-page-title{color:#1f2d3d;margin:0;font-size:20px;font-weight:600}.bt-page-sub{color:#909399;margin-top:4px;font-size:13px}.bt-toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;display:flex}.bt-toolbar-left{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.bt-stats{grid-template-columns:repeat(4,1fr);gap:16px;display:grid}.bt-stat{color:#fff;border-radius:12px;align-items:center;gap:14px;padding:20px;transition:transform .2s,box-shadow .2s;display:flex;position:relative;overflow:hidden;box-shadow:0 4px 14px #0f1f3d1f}.bt-stat:hover{transform:translateY(-2px);box-shadow:0 8px 20px #0f1f3d2e}.bt-stat:after{content:"";background:#ffffff1f;border-radius:50%;width:110px;height:110px;position:absolute;top:-28px;right:-28px}.bt-stat-icon{background:#ffffff38;border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;font-size:24px;display:flex}.bt-stat-value{font-size:26px;font-weight:700;line-height:1.2}.bt-stat-label{opacity:.9;margin-top:2px;font-size:13px}.bt-stat-blue{background:linear-gradient(135deg,#1677ff,#4f9bff)}.bt-stat-teal{background:linear-gradient(135deg,#13c2c2,#36cfc9)}.bt-stat-purple{background:linear-gradient(135deg,#722ed1,#b37feb)}.bt-stat-orange{background:linear-gradient(135deg,#fa8c16,#ffc53d)}.bt-stat-green{background:linear-gradient(135deg,#389e0d,#73d13d)}.bt-stat-red{background:linear-gradient(135deg,#f5222d,#ff7875)}.bt-gradient-text{background:linear-gradient(135deg, var(--bt-brand-start), var(--bt-brand-end));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.bt-pagination{justify-content:flex-end;margin-top:16px;display:flex}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:#c0c4cc;border-radius:4px}::-webkit-scrollbar-track{background:0 0}@media (width<=1200px){.bt-stats{grid-template-columns:repeat(2,1fr)}}