*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:#f0f2f5}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2)}.login-card{width:400px;padding:40px;border-radius:12px;background:#fff;box-shadow:0 10px 40px #0003}.login-title{text-align:center;margin-bottom:32px;color:#1a1a2e}.main-layout{min-height:100vh}.site-layout-content{margin:16px;padding:24px;background:#fff;border-radius:8px;min-height:calc(100vh - 112px)}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.stat-card{text-align:center}.stat-value{font-size:28px;font-weight:700;color:#1890ff}.stat-label{color:#8c8c8c;margin-top:8px}