/* index.html的chat页iframe嵌入样式 */
.chat-embed {
    position: fixed;
    box-sizing: border-box;
    border: none;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    background: #fff;
    z-index: 9999;
}
.chat-phone {
    display: none;
}

/* 桌面设备：靠右 50% 宽度，上下各 10% 间隙 */
@media (min-width: 769px) {
    .chat-embed {
        right: 12.5%;
        top: 115%;  /* 第2页，故加1 */
        width: 50%;
        max-width:500px;
        height: 85%;
        border-radius: 16px;
    }
}

/* 移动设备：全宽，上方 20% 间隙，下方不撑到底 */
@media (max-width: 768px) {
    .chat-embed {
        /*left: 0;*/
        /*top: 120%;*/
        /*width: 100%;*/
        /*height: 80%;*/
        display:none;
        width:0;
        height:0;
    }
    .chat-phone {
        display: block;
    }
    .chat-pc {
        display: none;
    }
    .chat-img {
        height: 75vh;
        width: auto;
        right:15%;
        position: fixed;
    }
}