body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 20px;
    padding: 0;
    text-align: center;
    /* background-image: url("../img/background.png"); */
    background-color: #ffffffec;;
    height: 80vh; /* 设置高度为视口高度的100% */
}
h1 {
    margin-bottom: 20px;
}
.main-container {
    background-image: url("../img/Group\ 503.png");
    height: 70%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    margin-top: 30px;
    height: 600px;
}
.main-container-up{
    
}
.download-button {
    display: flex;
    justify-content: center;
    margin-top: 20px;
    background-color: blueviolet;
    border-radius:8px;
    color: white;
    height: 50px;
    line-height: 50px;
    width: 200px;
    align-items: space;
}
.main-container-bottom{
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.open-button{
    background-color: blueviolet; 
    height: 40px;
    line-height: 40px;
    width:100px; 
    border-radius: 8px; 
    color: white;
}

.qrcode {
    width: 70%; /* 图片宽度设置为100% */
    height: auto;
    max-width: 200px; /* 最大宽度限制为200像素 */
}

.head-container{
    display: flex;
    justify-content: space-between; /* 让内部元素均匀分布在容器内 */
    align-items: center; /* 在交叉轴上居中 */
}
.title-txt1{
    font-family: Lantinghei SC, Lantinghei SC;
    font-weight: 200;
    font-size: 24px;
    color: rgba(0,19,76,0.9);
}
.title-txt2{
    font-family: Lantinghei SC, Lantinghei SC;
    font-weight: 600;
    font-size: 36px;
    background: linear-gradient(14.289830498745077deg, #B169EC 0%, #6A96EB 100%); /*设置渐变的方向从左到右 颜色从ff0000到ffff00*/
    -webkit-background-clip: text;/*将设置的背景颜色限制在文字中*/
    -webkit-text-fill-color: transparent;/*给文字设置成透明*/

}

@media only screen and (max-width: 600px) {
    /* 当屏幕宽度小于或等于600px时的样式 */
    .main-container img{
        width: 60%;
        height: auto;
        margin-bottom: 10px;
    }
   
    .qrcode{
        width: 70%; /* 图片宽度设置为100% */
        height: auto;
        max-width: 150px; /* 最大宽度限制为200像素 */
    }
}