.btn-wrap{
    position:fixed;
    left:50%;
    top:70%;
    transform:translate(-50%,-50%);
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:8px; 
    z-index:10;
}

.age-tip{
    font-size:13px;
    padding:6px 12px;
    border-radius:999px;
    background:rgba(255,80,120,.15);
    color:#ff3b6b;
    border:1px solid rgba(255,80,120,.3);
}
.only-btn{
    position:fixed;
    left:50%;
    top:50%;
    transform:translate(-50%,-50%);
    z-index:10;
}
.wrap{
    width:92%;
    max-width:460px;
    padding:28px 22px;
    border-radius:28px;
    background:rgba(255,255,255,.56);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow:0 18px 48px rgba(234,120,170,.18);
    text-align:center;
    border:1px solid rgba(255,255,255,.45);
}
.title{
    font-size:30px;
    font-weight:700;
    margin-bottom:16px;
    color:#d9709f;
    letter-spacing:1px;
}
.tip{
    font-size:15px;
    line-height:1.8;
    color:#8f7584;
    background:rgba(255,255,255,.5);
    border-radius:18px;
    padding:16px 14px;
    margin:18px 0 28px;
}
.enter-btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-width:220px;
    height:54px;
    border:none;
    border-radius:999px;
    background:linear-gradient(135deg,#ff9ec4,#ffc3d9);
    color:#fff;
    font-size:18px;
    font-weight:700;
    text-decoration:none;
    box-shadow:0 10px 26px rgba(255,140,190,.28);
    transition:.2s ease;
}
.enter-btn:active{transform:scale(.98)}
.sub{
    margin-top:16px;
    font-size:13px;
    color:#b38ea1;
}
.modal-mask{
    position:fixed;inset:0;background:rgba(0,0,0,.28);
    display:none;align-items:center;justify-content:center;padding:20px;z-index:9999;
}
.modal{
    width:100%;max-width:340px;background:rgba(255,255,255,.92);
    border-radius:22px;overflow:hidden;
    box-shadow:0 20px 50px rgba(0,0,0,.18);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}
.modal-title{
    padding:18px 18px 6px;font-size:19px;font-weight:700;color:#333;
}
.modal-content{
    padding:0 18px 18px;font-size:15px;line-height:1.7;color:#666;
}
.modal-actions{
    border-top:1px solid rgba(0,0,0,.08);
    display:flex;
}
.modal-btn{
    flex:1;height:52px;border:none;background:none;font-size:17px;
    color:#007aff;font-weight:600;cursor:pointer;
}
.modal-btn + .modal-btn{border-left:1px solid rgba(0,0,0,.08)}
.custom-box{
    margin-top:22px;
}