GINKA.css

.common-banner {
    --banner-image-url: url("https://ec-wiki.oss-cn-hangzhou.aliyuncs.com/images/1/1f/Background.jpg");
    --banner-image-height: 70vh;
    background-image: linear-gradient(to top, var(--color-surface-0) 15%, transparent 150%), var(--banner-image-url);
    background-size: cover;
    background-position: top;
    height: var(--banner-image-height);
    margin-bottom: calc(-1 * var(--banner-image-height));
}