* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    min-height: 100vh;
    background: linear-gradient(135deg, #1890ff 0%, #096dd9 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}
.login-box {
    background: #fff;
    border-radius: 8px;
    padding: 40px;
    width: 380px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.18);
}
.login-logo { text-align: center; margin-bottom: 32px; }
.login-logo h1 { font-size: 22px; font-weight: 600; color: #1a1a1a; }
.login-logo p  { font-size: 13px; color: #999; margin-top: 6px; }