body,html,div{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    position: relative;
}
html,body{
    height: 100%;
    width: 100%;
    background: #000;
}
.container{
    background:url(../images/bg1.png);
    background-size: cover;
    height: 100%;
    width: 100%;

}
.download{

    padding: 0 50px;
    padding-top: 60vh;
}
.download a{
    display: block;
}
img{
    display: block;
    width: 100%;

}
.container-inner{
    padding: 0 10px;
    padding-bottom: 30px;
}
.container-inner .item{
    padding-right: 10px;
    padding-left: 5px;
    height: 70px;
    background: url(../images/border.png);
    background-size: 100% 100%;
    background-repeat: no-repeat;
    background-position: center;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 20px;
    position: relative;
}
.popup{
    position: absolute;
    bottom: 100%;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgb(0, 0, 0);
    border: 1px solid rgb(251 229 176);
    border-radius: 5px;
    padding: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    margin-bottom: 5px;
}

.popup::before {
    content: '';
    position: absolute;
    bottom: -22px;
    right: 20px;
    width: 0;
    height: 0;
    border-left: 22px solid transparent;
    border-right: 22px solid transparent;
    border-top: 22px solid rgb(251 229 176); /* 外层描边色，和边框一致 */
    z-index: 1;
}

.popup::after {
    content: '';
    position: absolute;
    bottom: -21px;
    right: 21px;
    width: 0;
    height: 0;
    border-left: 21px solid transparent;
    border-right: 21px solid transparent;
    border-top: 21px solid rgb(0, 0, 0); /* 内层填充色，和背景一致 */
    z-index: 2;
}
.popup-title{
    font-size: 12px;
    color: rgb(251 229 176);
    text-align: center;
}
.popup-tips{
    margin-top: 10px;
    font-size: 12px;
    color: rgb(241, 47, 17);
    text-align: center;
    background: rgb(251 229 176);
    padding: 5px;
    border-radius: 20px;

}
.popup-button{
    text-align: center;
}
.popup-line-item{
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 10px;
}
.popup-line-item .ms{
    font-size: 12px;
    color: rgb(45, 45, 44);
    background: #fff;
    text-align: center;
    padding: 5px 0;
    margin-right: 10px;
    width: 55px;
 
}
.popup-line-item .ms.ms-high{
    color: rgb(241, 47, 17);
}
.popup-line-item .ms-line img{
    height: 10px;
}
.url{
    font-size: 12px;
    color: rgb(45, 45, 44);
    background: #fff;  
    padding: 5px 10px;
    flex: 1;
    text-align: center;
    margin: 0 10px;
}
.popup-line-item .button{
    font-size: 12px;
    color: rgb(45, 45, 44);;
    background: rgb(251 229 176);
    padding: 5px 10px;
    cursor: pointer;
    border-radius: 3px;
    transition: background-color 0.3s ease;
}

.popup-line-item .button:hover{
    background: rgb(255, 215, 120);
}
a{
    text-decoration: none;
}
.container{
    position: relative;

}
.kefu{
    position: absolute;
    top: 20vh;
    right: 0px;
    width: 50px;
    height: 50px;
    z-index: 999;
}
@media screen and (min-width: 440px) {
    .container {
        max-width: 440px;
        margin: 0 auto;
    }
}
/* 小手机SE */
@media screen and (max-width: 375px) {
    .download {
        padding-top: 70vh;
    }
}