.hide{
    display: none;
}
.firstContent{
    position: absolute;
    top: 0;
    left: 0;
    background: url(../img/img1/1bg.png) center center/100% no-repeat;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-color: #000;
}

.firstContent .content{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.top-btn-wrap{
    display: flex;
    position: absolute;
    top: 2rem;
    left: 50%;
    transform: translateX(-50%);
    width: 75.125rem;
    justify-content: space-between;
    align-items: flex-start;
    z-index: 9;
}
.top-btn-wrap.hide{
    display: none;
}
.top-btn-wrap .btn-flex{
    display: flex;
    justify-content: space-around;
    align-items: flex-start;
}
.top-btn-wrap .btn-user{
    background: url(../img/img1/l.png)top/100% no-repeat;
    width: 3.5rem;
    height: 3.4375rem;
}
.top-btn-wrap .btn-music{
    background: url(../img/img1/mc.png)center center/100% no-repeat;
    width: 2.375rem;
    height: 2.375rem;
    background-size: 2.1875rem 2rem;
}
.top-btn-wrap .btn-music.curr{
    background: url(../img/img1/m.png) center center/100% no-repeat;
}
.top-btn-wrap .btn-share{
    background: url(../img/img1/s.png)top/100% no-repeat;
    width: 2.375rem;
    height: 2.375rem;

}
.top-btn-wrap .btn-help{
    background: url(../img/img1/g.png)top/100% no-repeat;
    width: 2.375rem;
    height: 2.375rem;
    margin: 0 2.5rem;
}
.firstContent .slogan{
    background: url(../img/img1/who.png)top/100% no-repeat;
    width: 39.1875rem;
    height: 20.75rem;
    position: absolute;
    left: 50%;
    top: 50%;
    margin-left: -39rem;
    margin-top: -18rem;
    pointer-events: none;
    animation: breathe 2.6s linear infinite;
}
.firstContent .text{
    background: url(../img/img1/w1.png)top/100% no-repeat;
    width: 16rem;
    height: 6.4375rem;
    position: absolute;
    left: 50%;
    top: 50%;
    margin-left: -27rem;
    margin-top: 3rem;
    pointer-events: none;
}
.firstContent .btn-find{
    background: url(../img/img1/b.png)top/100% no-repeat;
    width: 17.5625rem;
    height: 12.125rem;
    position: absolute;
    top: 50%;
    left: 50%;
    margin-left: -14rem;
    margin-top: 7rem;
}

.firstContent  .game-logo{
    position: absolute;
    bottom: 2rem;
    right: 3rem;
    background: url(../img/img1/game-logo.png)top/100% no-repeat;
    width: 8.9375rem;
    height: 3.5625rem;
}

.ruleLoading{
    position: absolute;
    z-index: 10;
    width: 100%;
    height: 100%;
}
.rule-content{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    background: url(../img/img1/rule.png)top/100% no-repeat;
    width: 67.4375rem;
    height: 45.875rem;
}
.rule-content .rule-left{
    position: absolute;
    left: 4.5rem;
    top: 2.8rem;
}
.rule-content .rule-right{
    position: absolute;
    left: 30.5rem;
    top: 5rem;
}

.rule-content  .r1{
    width: 20.875rem;
    margin-top: 1rem;
    margin-left: 1rem;
}

.rule-content  .r2{
    width: 7.3125rem;
    margin-top: 1rem;
    margin-left: 0.5rem;
}


.rule-content  .r3{
    width: 5.0625rem;
    margin-left: 2.5rem;
    margin-top: 0.5rem;
}

.rule-content  .r4{
    width: 18.4375rem;
    margin-top: 1rem;
    margin-left: 2.5rem;
}

.rule-content  .r5{
    width: 18.5rem;
}

.rule-content  .r6{
    width: 8.75rem;
    margin-top: 3rem;
    margin-left: 0.5rem;
}

.rule-content  .r7{
    width: 19rem;
    margin-top: 1rem;
    margin-left: 0.5rem;
}
.rule-content .r41{
    width: 7.25rem;
    margin-top: 1rem;
    margin-left: 0.5rem;
}

.rule-content img{
    display: block;
}
.rule-content .r21{
    width: 7.25rem;
    margin-top: 1rem;
    margin-left: 0.5rem;
}

.rule-content .rule-text{
    font-size: 1rem;
    margin-top: 0.5rem;
    line-height: 1.5rem;
    margin-left: 2.5rem;
    transform: scale(0.9);
    transform-origin: 0 0;
}

.rule-close{
    position: absolute;
    top: 2.5rem;
    right: 4rem;
    width: 3.75rem;
}
.loading-page{
    position: absolute;
    background: url(../img/img1/lo.png)top/100% no-repeat;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background-size: cover;
    background-color: #000;
    z-index: 10;
}
.load-logo{
    background: url(../img/img1/game-logo.png)top/100% no-repeat;
    width: 8.9375rem;
    height: 3.5625rem;
    position: absolute;
    top: 2.625rem;
    right: 2.625rem;
}
.load-slogan{
    background: url(../img/load-slogan.png)top/100% no-repeat;
    width: 29.25rem;
    height: 13.0625rem;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    margin-top: -3rem;
}
.load-num {
    background: url(../img/load-num.png)top/100% no-repeat;
    width: 4.875rem;
    height: 4.9375rem;
    position: absolute;
    bottom: 4rem;
    left: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.75rem;
    color: #BBA893;
    transform: translateX(-50%);
}

@keyframes breathe {
    0%{ transform: scale(.98); }
    50%{ transform: scale(1.02); }
    100%{ transform: scale(.98); }
  }