/* 弹窗遮罩层 */
.fk-popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.75);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding:15px;
    box-sizing: border-box;
}
/* 弹窗容器，缩小最大宽度 */
.fk-popup-wrap{
    position: relative;
    max-width: 520px;  /* 由720改为520，整体缩小 */
    width:100%;
    border-radius:8px;
    overflow:hidden;
    background:#fff;
}
/* 关闭按钮 */
.fk-popup-close{
    position:absolute;
    top:8px;
    right:8px;
    width:32px;
    height:32px;
    background:rgba(0,0,0,0.45);
    color:#fff;
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    cursor:pointer;
    font-size:18px;
    z-index:2;
}
.fk-popup-close:hover{
    background:rgba(0,0,0,0.7);
}
/* 图片容器，保持图片比例 */
.fk-popup-img-link{
    display:block;
    width:100%;
}
.fk-popup-img-link img{
    width:100%;
    height:auto;
    display:block;
}