/* ===================== 浮窗容器：全屏透明 ===================== */
.popup-mask {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent; /* 彻底移除遮罩层 */
    z-index: 9999;
    pointer-events: none; /* 点击穿透，不影响页面其他内容交互 */
    overflow: hidden;
}
.popup-box {
    position: absolute;
    top: 100px;
    left: 100px;
    background: url('../img/bg.png');
    max-width: 280px;
    height: 136px;
    width: 100%;
    pointer-events: auto; /* 浮窗自身可正常点击 */
    box-shadow: 0 4px 20px rgba(0, 102, 204, 0.15);
}
/* 关闭按钮 */
.popup-close {
    position: absolute;
    top: -4px;
    right: -4px;
    width: 25px;
    height: 25px;
    border-radius: 50%;
    background: #c8c8c8;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    transition: background 0.2s ease;
}
.popup-close:hover {
    background: #0066cc;
}
/* 正文文本 */
.popup-text {
    font-size: 22px;
    color: #fff;
    text-align: center;
    align-content: center;
    height: 100%;
}

@media (max-width: 576px) {
    .popup-box {
        padding: 35px 20px;
    }
    .popup-text {
        font-size: 18px;
    }
}

@media (max-width: 768px) {

    /* 隐藏漂浮浮窗*/
    .popup-mask {
        display: none;
    }
}