html, body {
    max-width: 650px;
    margin: 0 auto;
}
.pageNav {
    position: fixed;
    top: 0;
    z-index: 999;
    /*height: 75px;*/
    max-width: 650px;
}
.pageNav .right {
    width: 25%;
    position: absolute;
    top: 29%;
    right: 15px;
}
.pageNav .right_pc {
    width: 2.8rem;
    position: absolute;
    top: 50%;
    right: 15px;
}
.pageShuff {
    padding-top: 20.2%;
}
.pageLast {
    background: url(https://cdn-topic.milubtzhe.cn/branch/game2/bg.png);
    background-size: 100% 100%;
    /*margin-top: -5.8px;*/
    margin-top: -7px;
    clear: both;
}
.first-part {
    width: 60%;
    margin: 0 auto;
    padding: 30px 0 10px;
}
.img-text {
    position: absolute;
    bottom: 0.2rem;
    width: 50%;
    left: 25%;
}
.second-part {
    width: 55%;
    margin: 0 auto;
    padding: 0 0 10px;
}
.third-part {
    width: 85%;
    margin: 0 auto;
    padding: 0 0 10px;
}
.four-part {
    width: 65%;
    margin: 0 auto;
    padding: 0 0 10px;
}
.five-part {
    width: 75%;
    margin: 0 auto;
    padding: 0 0 10px;
}
.six-part {
    width: 65%;
    margin: 0 auto;
    padding: 0 0 10px;
}

.once-down {
    width: 50%;
    margin: 0 auto;
}

.features {
    padding: 35px 35px 0;
}
.features .f-suf {
    position: relative;
}
.features .f-suf .container {
    /*width: 70%;*/
    margin: 0 auto;
    position: relative;
    padding-top: 20px;
}
.features .f-suf .swiper-slide {
    width: 50%;
    margin: 0 auto;
}

.giftbag {
    /*padding: 35px 35px 70px;*/
    padding: 35px 35px 1.5rem;
}
.giftbag .desc {
    padding: 20px;
    position: relative;
}
.giftbag .desc .txt {
    color: #fff;
    bottom: 0.67rem;
    left: 43%;
    text-align: center;
    margin-top: -0.72rem;
    font-size: .28rem;
}
.yiers {
    /*    display: block;
        width: 90%;
        margin: 0 auto;*/
    /*padding-bottom: 0.3rem;*/
    position: fixed;
    /*top: 90%;*/
    /*bottom: 0.3rem;*/
    bottom: 2.5rem;
    z-index: 999;
    left: 5%;
    right: 5%;
    max-width: 500px;
    margin: 0 auto;
}
.yiers::after{
    content: '.';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    max-width: 500px;
    background-size: 100% 100%;
    background-image: url(https://cdn-topic.milubtzhe.cn/branch/game2/fffff.png);
    z-index: 1000;
    background-repeat: no-repeat;
    height: 0.9rem;
    top: 1.5rem;
}
.main_bottom {
    margin-top: 10px;
    text-align: center;
}
@media screen and (min-width: 650px) {
    .yiers {
        bottom: 1.5rem;
    }
}