:root{--primary-color:#1890ff;--success-color:#52c41a;--warning-color:#faad14;--error-color:#ff4d4f;--text-primary:#262626;--text-secondary:#595959;--border-color:#d9d9d9;--bg-color:#f0f2f5;--sidebar-width:220px;--header-height:56px}*{box-sizing:border-box;margin:0;padding:0}html,body{color:var(--text-primary);background-color:var(--bg-color);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji;font-size:14px}a{color:var(--primary-color);text-decoration:none}.page-container{padding:24px}.page-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.page-title{color:var(--text-primary);font-size:20px;font-weight:600}