.lazy-image-frame {
    position: relative;
    display: block;
    overflow: hidden;
    aspect-ratio: var(--lazy-image-ratio, 3 / 4);
    background: #fce7ef;
}

.lazy-image-frame .lazy-image {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 180ms ease, transform 0.5s ease;
}

.lazy-image-frame .lazy-image[data-lazy-state="loaded"],
.lazy-image-frame .lazy-image[data-lazy-state="error"] {
    opacity: 1;
}

.lazy-image-frame .lazy-image[data-lazy-state="error"] {
    object-fit: contain;
}

.lazy-image-frame[data-lazy-state="idle"]::after {
    content: "等待加载";
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    color: #9d174d;
    font-size: 13px;
    pointer-events: none;
}

.lazy-image-frame[data-lazy-state="loading"]::after {
    content: "";
    position: absolute;
    top: calc(50% - 16px);
    left: calc(50% - 16px);
    width: 32px;
    height: 32px;
    box-sizing: border-box;
    border: 3px solid #f9a8c7;
    border-top-color: #be185d;
    border-radius: 50%;
    animation: lazy-image-spin 0.75s linear infinite;
    pointer-events: none;
}

@keyframes lazy-image-spin {
    to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
    .lazy-image-frame .lazy-image { transition: none; }
    .lazy-image-frame[data-lazy-state="loading"]::after { animation: none; }
}