:root {
    --kx-primary: #0d6efd;
    --kx-success: #198754;
    --kx-dark: #172033;
}

body {
    font-family: Arial, "Microsoft YaHei", sans-serif;
}

.kx-navbar {
    background: linear-gradient(135deg, #172033, #0f766e);
}

.kx-logo {
    width: 42px;
    height: 42px;
    display: inline-grid;
    place-items: center;
    border-radius: 12px;
    background: #fff;
    color: #0f766e;
    font-weight: 800;
}

.kx-hero {
    background:
        linear-gradient(135deg, rgba(23, 32, 51, .96), rgba(13, 110, 253, .76)),
        radial-gradient(circle at 72% 24%, rgba(32, 201, 151, .35), transparent 30%);
}

.kx-card-hover {
    transition: transform .18s ease, box-shadow .18s ease;
}

.kx-card-hover:hover {
    transform: translateY(-2px);
    box-shadow: 0 1rem 2.5rem rgba(15, 23, 42, .12) !important;
}

.kx-login-bg {
    min-height: 100vh;
    background:
        linear-gradient(135deg, rgba(23, 32, 51, .94), rgba(13, 110, 253, .72)),
        radial-gradient(circle at 18% 20%, rgba(32, 201, 151, .35), transparent 28%),
        #172033;
}

.kx-login-panel {
    max-width: 460px;
}

.kx-muted-panel {
    background: rgba(255, 255, 255, .12);
    border: 1px solid rgba(255, 255, 255, .18);
    backdrop-filter: blur(8px);
}