html,body,#root{min-height:100%;margin:0}body{color:#162033;background:#f5f7fb;font-family:PingFang SC,Microsoft YaHei,system-ui,sans-serif}.admin-shell{height:100vh;min-height:0;overflow:hidden}.admin-shell>.ant-layout{min-height:0}.admin-sider{background:#11162a!important}.admin-brand{color:#fff;gap:.25rem;padding:1.25rem;display:grid}.admin-brand span{color:#aeb9d6;font-size:.78rem}.admin-header{background:#fff;border-bottom:1px solid #e5e9f2;justify-content:space-between;align-items:center;gap:1rem;height:auto;min-height:80px;padding:1rem 1.5rem;display:flex}.admin-header h1,.admin-header p{margin:0}.admin-header p{color:#667085;margin-top:.25rem}.admin-content{overscroll-behavior:contain;scrollbar-gutter:stable;min-height:0;padding:1.5rem;overflow:auto}.stats-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem;margin-bottom:1rem;display:grid}.table-card{overflow-x:auto}.tabular-text{font-variant-numeric:tabular-nums}.audit-detail{max-width:100%}.content-form .ant-collapse-content-box{padding-bottom:.25rem}.nested-form-card{margin-bottom:1rem}.cos-image-input-field{flex:auto;min-width:0;display:block}.cos-image-input-field .ant-input{border-start-end-radius:0;border-end-end-radius:0}.cos-image-preview-popover .ant-popover-inner,.cos-video-preview-popover .ant-popover-inner{padding:8px}.cos-image-preview{object-fit:contain;background:#f8fafc;border-radius:6px;width:min(320px,70vw);max-height:220px;display:block;box-shadow:0 0 0 1px #0000001a}.cos-video-preview{background:#111827;border-radius:6px;width:min(420px,76vw);max-height:260px;display:block;box-shadow:0 0 0 1px #0000001a}.cos-image-preview-empty{color:#667085;background:#f8fafc;border-radius:6px;place-items:center;width:220px;min-height:120px;font-size:.85rem;display:grid}.service-case-thumb,.academy-video-thumb{object-fit:cover;background:#f8fafc;border-radius:6px;width:88px;height:58px;display:block;box-shadow:0 0 0 1px #0000001a}.table-muted{color:#98a2b3;font-size:.85rem}@media (width<=900px){.admin-sider{display:none}.admin-header,.stats-grid{grid-template-columns:1fr;display:grid}}.login-shell{background:linear-gradient(135deg,#11162a 0%,#1e2748 100%);justify-content:center;align-items:center;min-height:100vh;padding:1.5rem;display:flex}.login-card{width:100%;max-width:380px;box-shadow:0 24px 60px #11162a47}.login-head{text-align:center;gap:.35rem;margin-bottom:1.5rem;display:grid}.admin-user{align-items:center;height:auto;padding:.35rem .75rem;display:inline-flex}