/* =========================
   GC NFC Website V2
========================= */

*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

html{
    scroll-behavior:smooth;
}

body{
    background:#fff;
    overflow-x:hidden;
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}

section{
    width:100%;
    margin:0;
    padding:0;
    line-height:0;
}

section img{
    width:100%;
    display:block;
    height:auto;
    vertical-align:top;
}

/* ===== 左下按鈕 ===== */

.float{

    position:fixed;

    left:50%;

    bottom:16px;

    transform:translateX(-50%);

    display:flex;

    flex-direction:row;

    gap:12px;

    z-index:9999;

    opacity:0;

    pointer-events:none;

    transition:.35s;
}


.btn{

    width:110px;

    height:46px;

    display:flex;

    justify-content:center;

    align-items:center;

    background:rgba(255,255,255,.96);

    color:#222;

    text-decoration:none;

    font-size:16px;

    font-weight:700;

    border-radius:24px;

    box-shadow:0 8px 24px rgba(0,0,0,.18);

    backdrop-filter:blur(10px);

    transition:.25s;

}

.btn:active{

    transform:scale(.96);

}

/* ===== 回頂端 ===== */

.top{

    position:fixed;

    right:18px;

    bottom:18px;

    width:54px;

    height:54px;

    border-radius:50%;

    background:#049B48;

    color:#fff;

    display:flex;

    justify-content:center;

    align-items:center;

    text-decoration:none;

    font-size:22px;

    box-shadow:0 8px 24px rgba(0,0,0,.22);

    transition:.3s;

}

.top:hover{

    transform:scale(1.08);

}

@media (max-width:768px){

    .btn{

        width:110px;

        height:46px;

        font-size:15px;

    }

    .top{

        width:52px;

        height:52px;

    }

}