html,
html {
    scroll-behavior: smooth;
}

body {
    margin: 0 auto;
    background-position: top;
    background-color: #aee6f7;
}

img {
    width: 100%;
    display: block;
}

.main {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
}

.content {
    max-width: 1000px;
    margin: 0 auto;
}

.relative {
    position: relative;
}

.absolute {
    position: absolute;
}


/* ------ menu -----*/

.menu {
    width: 100%;
    max-width: 1000px;
    position: fixed;
    z-index: 99;
    left: 50%;
    transform: translateX(-50%);
}

ul {
    display: flex;
    justify-content: center;
    list-style: none;
    margin: 0 auto;
    padding: 0;
}


/* ------ connect -----*/

.connect {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
}

.btn_01 {
    position: absolute;
    width: 12%;
    top: 36%;
    left: 21%;
    transform: translate(-50%, -50%);
    filter: drop-shadow(0.15rem 0.15rem 0.15rem rgba(0, 0, 0, 0.4));
}

.btn_02 {
    position: absolute;
    width: 12%;
    top: 36%;
    left: 49.5%;
    transform: translate(-50%, -50%);
    filter: drop-shadow(0.15rem 0.15rem 0.15rem rgba(0, 0, 0, 0.4));
}

.btn_03 {
    position: absolute;
    width: 12%;
    top: 36%;
    left: 80%;
    transform: translate(-50%, -50%);
    filter: drop-shadow(0.15rem 0.15rem 0.15rem rgba(0, 0, 0, 0.4));
}


/* 更改按鈕圖案 */

.swiperControl {
    left: 50%;
    transform: translateX(-50%);
    top: 23%;
    width: 78%;
    height: 100%;
}

.swiperBtnR,
.swiperBtnL {
    top: 60%;
    width: 15%;
}

.swiperBtnR {
    right: -1%;
}

.swiperBtnL {
    left: -1%;
}

@media (max-width: 568px) {

    .swiperBtnR,
    .swiperBtnL {
        top: 60%;
        width: 9%;
    }

    .swiperBtnR {
        right: 1%;
    }

    .swiperBtnL {
        left: 1%;
    }
}

.swiperBtnR:after {
    content: "";
    background-image: url(../images/controls02.png);
    background-repeat: no-repeat;
    background-size: contain;
    background-position: center;
    width: 100px;
    height: 100%;
}

.swiperBtnL:after {
    content: "";
    background-image: url(../images/controls01.png);
    background-repeat: no-repeat;
    background-size: contain;
    background-position: center;
    width: 100%;
    height: 100%;
}