html {
    font-size: 10px
}

body {
    background-color: #033824;
    margin: 0;
    padding: 0;
    font-family: "Microsoft YaHei"
}

#top {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 0.97rem;
    background-image: url("../img/Ind-Bingo-header.webp");
    background-size: 100% 100%;
    background-repeat: no-repeat;
    z-index: 999;
}

.container {
    position: relative;
    max-width: 720px;
    margin: 0 auto;
    z-index: 0;
}

.container .downBtn {
    position: absolute;
    margin-top: 8px;
    left: 23%;
    width: 55%;
    height: 1.2rem;
    background-image: url("../img/btn.png");
    background-size: 100% 100%;
    background-repeat: no-repeat;
    animation: rotate 1s linear infinite;
}

.container .interduce {
    background-color: #055c39;
    padding: 1px 1px;
    margin: 16px 16px;
    margin-top: 30%;
    border-radius: 10px;
    cursor: pointer;
}

.top {
    width: 100%;
    padding-top: 10px;
    padding-left: 10px;
    padding-right: 10px;
    box-sizing: border-box;
}

.top h2 {
    font-size: 22px;
    text-align: left;
    font-family: Myriad Pro;
    font-weight: bold;
    color: #FEC124;
}

.top p {
    font-size: 14px;
    font-family: Alibaba Sans Thai;
    font-weight: 500;
    color: #ffffff;
    line-height: 22px;
    margin-top: 10px;
}

.top img {
    width: 35%;
    float: right;
}

.container .footer {
    position: absolute;
    background-color: #033824;
    width: 100%;
    height: 1.5rem;
    color: #ffffff;
}

.footer p {
    padding: 0;
    margin: 0;
}

@keyframes rotate {
    0% {
        transform: translateY(0);
    }
    25% {
        transform: translateY(10px);
    }
    50% {
        transform: translateY(20px) scale(1.1, 0.9);
    }
    75% {
        ransform: translateY(10px);
    }
    100% {
        transform: translateY(0);
    }
}