/* 遮罩层样式 */
.fu-popup-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    animation: fadeIn 0.3s ease-in forwards;
}
.fu-popup-layer-all{
    background: rgba(0, 0, 0, 1);
}

/* 淡入动画 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* 淡出动画 */
.fu-popup-layer.fu-closing {
    animation: fadeOut 0.3s ease-out forwards;
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }

    to {
        opacity: 0;
    }
}

/* 内容容器 */
.fu-content-box {
    position: relative;
    text-align: center;
    max-width: 90%;
    max-height: 90%;
}

/* 图片样式 */
.fu-content-image {
    max-width: 100%;
    max-height: 80vh;
    cursor: pointer;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

/* 关闭按钮 */
.fu-close-btn {
    position: absolute;
    top: -15px;
    right: -15px;
    background: #ff4d4f;
    color: white;
    border: none;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.fu-close-btn:hover {
    background: #d9363e;
}

/* 标题样式 */
.fu-content-title {
    margin-top: 10px;
    color: white;
    font-size: 24px;
    font-family: Arial, sans-serif;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}