/* 图片加载失败时的占位符样式 */
.rocket-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
    background: linear-gradient(135deg, #1a1a2e, #16213e);
}

.rocket-img:not([src]),
.rocket-img[src=""] {
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    display: flex;
    align-items: center;
    justify-content: center;
}

.rocket-img:not([src])::after,
.rocket-img[src=""]::after {
    content: "🚀";
    font-size: 3rem;
    opacity: 0.5;
}