.js-fixed-popup-mask {
    position: fixed;
    left: 0;
    top: 0;
    z-index: 99999;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, .65);
}

.js-fixed-popup {
    position: absolute;
    left: 50%;
    top: 30px;
    bottom: 30px;
    width: calc(100% - 160px);
    max-width: 1030px;
    transform: translateX(-50%);
    background: #fff;
    box-sizing: border-box;
    overflow: hidden;
}

.js-fixed-popup-body {
    height: calc(100% - 46px);
    box-sizing: border-box;
    overflow-y: auto;
    overflow-x: hidden;
}

.js-fixed-popup-header {
    height: 46px;
    line-height: 46px;
    padding: 0 16px;
    border-bottom: 1px solid #ddd;
    box-sizing: border-box;
    background: #f7f7f7;
}

.js-fixed-popup-title {
    font-size: 16px;
    font-weight: bold;
}

.js-fixed-popup-close {
    float: right;
    width: 36px;
    height: 36px;
    margin-top: 5px;
    border: 0;
    background: transparent;
    font-size: 28px;
    line-height: 36px;
    cursor: pointer;
}

.js-fixed-popup-iframe {
    width: 100%;
    height: 100%;
    display: block;
}

@media (max-width: 900px) {
    .js-fixed-popup {
        left: 15px;
        right: 15px;
        top: 15px;
        bottom: 15px;
        width: calc(100% - 30px);
    }
}