.nav-main {
    padding: 0 0.6rem;
    background-color: #ffffff;
    box-shadow: rgba(0, 0, 0, 0.15) 1.95px 1.95px 2.6px;
    font-size: 18px;
    z-index: 100;
}

.nav-main .navbar-brand {
    width: 330px;
}

@media (min-width:1190px) and (max-width: 1330px) {
    .nav-main {
        padding: 0;
    }

    .nav-main .navbar-brand {
        width: 280px;
        margin-right: 0;
    }
}

@media (max-width:768px) {
    .nav-main .navbar-brand {
        width: 300px;
    }
}

@media (max-width:400px) {
    .nav-main .navbar-brand {
        width: 220px;
    }
}

.nav-main a {
    text-decoration: none;
}

.sm-menu {
    border-radius: 0px;
    border: 0px;
    top: 97%;
    box-shadow: rgba(173, 173, 173, 0.2) 1px 3px 4px 0px;
    margin: 0;
    padding: 2rem 3rem;
}

/* megamenu 動作設定 */
@media (min-width: 1200px) {
    .megamenu {
        width: 100%;
        -webkit-transition: all .4s ease-in-out;
        transition: all .4s ease-in-out;
        transform: rotateX(90deg);
        transform-origin: top;
        opacity: 0;
        display: block;
        border-bottom: 1px solid #212121;
    }

    .show .megamenu {
        opacity: 1;
        transform: rotateX(0deg);
        transform-origin: top;
    }
}

/* megamenu 動作設定 end */

.nav-main .main .nav-link {
    padding: 20px 15px;
    color: #212121;
    transition: 0.2s;
}

.nav-main .main .nav-link:hover,
.nav-main .main .nav-link:focus {
    font-weight: 700;
}

.nav-signup {
    position: relative;
    border-radius: 25px;
    padding: 6px 20px;
    color: #ffffff;
    background: linear-gradient(20deg,
            #F4D31E,
            #FF8400,
            #FF00B7,
            #1A1EFF,
            #03FFFF) no-repeat;
    background-size: 300%;
    background-position: left center;
    transition: background 0.3s ease;
}

.nav-signupX {
    position: relative;
    display: flex;
    border-radius: 25px;
    padding: 6px 20px;
    color: #ffffff;
    background: linear-gradient(20deg,
            #666666,
            #9c9c9c,
            #bbbbbb,
            #9c9c9c,
            #666666) no-repeat;
    background-size: 300%;
    background-position: left center;
    transition: background 0.3s ease;
}

.nav-signup:hover {
    color: #F9F871;
    background-size: 320%;
    background-position: right center;
}

.nav-signupX:hover {
    color: #dfdfdf;
    background-size: 320%;
    background-position: right center;
}

.nav-signup>i {
    transition: transform 0.3s ease-in;
}

.nav-signup:hover>i {
    transform: translateX(5px);
}

.nav-lang {
    display: inline-block;
}


@media (max-width:1200px) {
    .nav-signup {
        margin: 0 auto;
    }

}

.btn-back {
    color: #333;
    border: 1px solid #333;
    margin: 20px;
    padding: 5px 15px;
    border-radius: 25px;
    transition: all 0.2s;
}

.btn-back:hover {
    color: #00DCFF;
    border-color: #00DCFF;
}

/* ====================================================
# navbar-index "首頁限定"滾動變化設定
====================================================*/

.navbar-index {
    transition-duration: 1s;
    background-color: transparent;
    box-shadow: none;
}

.navbar-index .main .nav-link {
    padding: 20px 15px;
    color: #fff;
}


.navbar-index .nav-lang.active span {
    color: #fff;
    border-color: #fff;
}

.navbar-index .navbar-brand img {
    filter: brightness(0) saturate(100%) invert(100%) sepia(100%) saturate(0%) hue-rotate(186deg) brightness(102%) contrast(104%);
}

.navbar-index .nav-signup {
    background: none;
    border: 1px solid #fff;
}

@media (max-width:1200px) {
    .navbar-index .main {
        background-color: rgba(0, 114, 197, 0.75);
    }

}

/* ====================================================
# main-toggler 
====================================================*/

.openbtn {
    position: relative;
    cursor: pointer;
    width: 50px;
    height: 50px;
    border-radius: 5px;
}

.openbtn:hover span {
    background: #02f0ff;
}

/*======= 按鈕內側 =======*/
.openbtn span {
    display: inline-block;
    transition: all .4s;
    position: absolute;
    left: 14px;
    height: 3px;
    border-radius: 2px;
    background: #0072c5;
    width: 45%;
}

.openbtn span:nth-of-type(1) {
    top: 15px;
}

.openbtn span:nth-of-type(2) {
    top: 23px;
}

.openbtn span:nth-of-type(3) {
    top: 31px;
}

/*======= active 線動作 =======*/

.openbtn.active span:nth-of-type(1) {
    top: 18px;
    left: 18px;
    transform: translateY(6px) rotate(-45deg);
    width: 30%;
}

.openbtn.active span:nth-of-type(2) {
    opacity: 0;
}

.openbtn.active span:nth-of-type(3) {
    top: 30px;
    left: 18px;
    transform: translateY(-6px) rotate(45deg);
    width: 30%;
}




/* ====================================================
# 報名按鈕提示框
====================================================*/
.balloon-area {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    z-index: 3;
}

.balloon {
    position: absolute;
    width: 230px;
    transform: translate(-30%, 10px);
    padding: 6px 10px;
    margin-top: 18px;
    color: #ff5470;
    font-weight: 700;
    background: #FFDC00;
    border: 3px solid #ff368b;
    box-sizing: border-box;
    border-radius: 15px;
    box-shadow: #ff368b 2px 4px 0px;
    animation: color-change-3x 2.5s linear infinite alternate both;
}

.balloon::before {
    content: "";
    position: absolute;
    top: -20px;
    left: 50%;
    margin-left: -15px;
    border: 10px solid transparent;
    border-bottom: 10px solid #ff368b;
    z-index: 2;
}


.balloon p {
    margin: 0;
    padding: 0;
    font-size: 16px;
    line-height: 18px;
}

.balloon span {
    font-size: 14px;
    color: #212121;
    font-weight: 400;
}


@-webkit-keyframes color-change-3x {
    0% {
        background: #fef0ca
    }

    50% {
        background: #c4fcf0;
    }

    100% {
        background: #ffdc00
    }
}

@keyframes color-change-3x {
    0% {
        background: #fef0ca
    }

    50% {
        background: #c4fcf0;
    }

    100% {
        background: #ffdc00
    }
}



/* ====================================================
# nav-lang 語言切換按鈕
====================================================*/

.nav-lang span {
    font-size: 15px;
    border: 1px solid #a0a6b2;
    color: #a0a6b2;
    padding: 9px;
    border-radius: 50%;
}

.nav-lang .zh {
    font-size: 14px;
    padding: 10px 5px;
}

.nav-lang.active span {
    border: 1px solid #212121;
    color: #212121;

}


@media (max-width: 1200px) {
    .nav-main {
        padding: 0;
    }

    .nav-main .navbar-brand {
        padding-left: 20px;
    }

    .nav-main .main-toggler {
        margin-right: 20px;
    }

    .nav-signup {
        display: block;
        margin: 0 20px;
    }

    .balloon-area {
        display: inline-block;
    }

    .balloon,
    .balloon.en {
        position: relative;
        transform: none;
    }


}



/* ====================================================
# megamenu-li
====================================================*/

.megamenu-li {
    position: static;
}

.megamenu-li .dropdown-toggle::after {
    font-family: 'bootstrap-icons';
    content: "\F282";
    border: none;
    vertical-align: middle;
    font-size: 14px;
    -webkit-transition: all 0.3s ease-in-out;
    -moz-transition: all 0.3s ease-in-out;
    transition: all 0.3s ease-in-out;
}


.megamenu-li .dropdown-toggle.is-expanded::after {
    transform: rotate(180deg);
}


.megamenu-title {
    font-size: 1.3rem;
    font-weight: 400;
    /*    letter-spacing: 0.05rem;*/
    /*    writing-mode: vertical-rl;*/
}

.comingsoon-item {
    color: #999999;
    padding: 0.25rem 1.5rem;
    display: block;
    cursor: pointer;
}

.megamenu .comingsoon {
    color: #999999;
    cursor: not-allowed;
}

.megamenu .comingsoon span {
    font-size: 12px;
    margin-left: 4px;
    border: 1px #AAAAAA solid;
    padding: 2px 3px;
}

@media (max-width: 576px) {
    .megamenu-title {
        writing-mode: inherit;
    }
}


.megamenu a.dropdown-item {
    overflow: hidden;
    box-shadow: inset 0 0 0 0 #8f8f8f;
    transition: color .3s ease-in-out, box-shadow .3s ease-in-out;
    white-space: normal;
}

.megamenu a.dropdown-item:hover {
    color: #ffffff;
    box-shadow: inset 400px 0 0 0 #8f8f8f;
}

.megamenu a.comingsoon:hover {
    color: #999999;
    box-shadow: 0 0 0 0 #666666;
}

.d-about,
.d-agenda,
.d-expo,
.d-act,
.d-market {
    color: #00abe3;
    background-color: #efefef;
    border-top: 1px solid #666666;
    border-bottom: 1px solid #666666;
}

/* 狀態備註 */

.soon {
    color: #666666;
}

.inv {
    color: #f249db;
}


/*====================================================
# 小板設定
==================================================== */

@media (max-width: 768px) {

    .megamenu-title,
    .mb-none {
        display: none;
    }
}

@media (min-width: 768px) {
    .mb-display {
        display: none;
    }
}


/*====================================================
# nav banner --20231117新增
==================================================== */

.nav-a {
    border: 1px solid #efefef;
}

.nav-a img {
    display: block;
    width: 100%;
}


@media (max-width:700px) {
    .nav-a {
        display: none;
    }
}