.system-page{max-width:1500px}
.system-layout{display:flex;align-items:flex-start;gap:1.5rem}
.system-sidebar{flex:0 0 calc(25% - .375rem);min-width:0}
.system-content{flex:1 1 0;min-width:0}
.system-nav{background:#17324a}
.system-nav a{display:block;color:#e8f0f7;text-decoration:none;padding:.55rem .7rem;border-radius:.4rem}
.system-nav a:hover,.system-nav a.active{background:#2c5877;color:#fff}
.system-card{border:0;box-shadow:0 .3rem 1rem rgba(21,58,94,.1)}
@media(max-width:991px){.system-layout{display:block}.system-sidebar{width:auto;margin-bottom:1.5rem}.system-content{width:auto}}