/* 移除了所有容器背景色，实现背景透明 */
    .fedjet-samples-container {
        max-width: 1200px;
        margin: 40px auto;
        padding: 0 20px;
        background-color: transparent;
    }

    .samples-headline {
        text-align: center;
        margin-bottom: 40px;
    }

    .samples-headline h2 {
        font-size: 28px;
        color: #1a1a1a;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 1px;
    }

    .samples-headline p {
        color: #666;
        margin-top: 10px;
        font-size: 16px;
    }

    .sample-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    /* 移除了卡片背景色和边框，使其看起来更加“轻量” */
    .sample-card {
        background: transparent;
        overflow: hidden;
        border-radius: 4px;
        transition: all 0.4s ease;
    }

    .img-container {
        position: relative;
        width: 100%;
        padding-top: 100%; 
        overflow: hidden;
        border-radius: 4px; /* 保留圆角以提升质感 */
    }

    .img-container img {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease, filter 0.5s ease;
    }

    /* 悬停时的交互效果：轻微缩放和阴影提升，无灰色底色 */
    .sample-card:hover {
        transform: translateY(-5px);
    }

    .sample-card:hover img {
        transform: scale(1.05);
        filter: brightness(1.1);
    }

    @media (min-width: 768px) {
        .sample-grid { grid-template-columns: repeat(3, 1fr); gap: 25px; }
    }
    @media (min-width: 1024px) {
        .sample-grid { grid-template-columns: repeat(4, 1fr); gap: 30px; }
    }