:root {
    /*定义变量*/
    /*特定常用颜色*/
    --zrd-color: #0c0e5b;
}

html {
    font-size: 14px;
}

@media (min-width: 768px) {
    html {
        font-size: 16px;
    }
}

html {
    position: relative;
    min-height: 100%;
}
@media (max-width: 576px) {
    body {
        margin-bottom: 370px;
    }
}  
@media (min-width: 576px) and (max-width: 992px) {
    body {
        margin-bottom: 305px;
    }
}

@media (min-width: 992px) {
    body {
        margin-bottom: 160px;
    }
}  


/*body {
    margin-bottom: 160px;
}*/

.zrd-text-color {
    color: var(--zrd-color);
}

.zrd-background-color {
    background-color: var(--zrd-color);
}
/*
.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
  text-align: start;
}*/