.baner-img{
display: flex;
margin: 0 auto;
width: 50%;
height: 50%;
}
.gradient {
position: relative;
}
.gradient-color {
width: 100%;
height: 551px;
background: linear-gradient(180deg, rgba(0, 0, 0, 0.00) 0%, #0E0E0E 66.15%);
position: absolute;
/* При position: absolute градиент исчезает */
}
<section class="baner">
<img class="baner-img" src="https://cdn-edge.kwork.ru/pics/t3/23/27100204-64636693aaf80.jpg" alt="">
<div class="gradient">
<div class="gradient-color"></div>
</div>
</section>
匿名,我对你的职权范围的理解正确吗?