:root{--admin-bg: #f3f5f9;--admin-card: #ffffff;--admin-text: #1f2937;--admin-muted: #6b7280;--admin-accent: #1957c2;--admin-border: #dbe3f0}*{box-sizing:border-box}body{margin:0;color:var(--admin-text);background:radial-gradient(circle at top left,#fdf7ef 0,#f3f5f9 42%,#edf1f7);font-family:PingFang SC,Noto Sans SC,Microsoft YaHei,sans-serif}a{color:inherit;text-decoration:none}#app{min-height:100vh}