// Motion
$motion-ease: ease;
$motion-ease-in: ease-in;
$motion-ease-out: ease-out;
$motion-ease-in-out: ease-in-out;
$motion-linear: linear;

$motion-duration-immediately: 100ms;
$motion-duration-standard: 300ms;
$motion-duration-complex: 450ms;
$motion-duration-continue: 600ms;

$motion-default: cubic-bezier(.4, 0, .2, 1);
// 进入类动画默认时长300ms
$motion-duration-standard-in: 300ms;
// 消失类动画默认时长250ms
$motion-duration-standard-out: 250ms;