:root {
    /*主色輔色 改色*/
    --main-color: #FF8441;

    --sd-orange:#FF8441;
    --sd-purple:#9BA0FF;
    --sd-green:#00DC99;
    --sd-yellow:#FFDE6C;
    --sd-orange-sub: #FFC1AA;
    --sd-purple-sub:#C8CBFF;

    /*勿動*/
    --white-color: #fff;
    --black-color:#1e1e1e;
}
.mbr-section {
    padding-top: 4rem;
    padding-bottom: 4rem;
}
*{
    font-family: 'Oxygen','Noto Sans TC', sans-serif;
    cursor: url('../img/icon-arrow.svg'), auto;	
}

/* nav ---------- */
.navbar{
    background-color:  #212121;
}
.nav-item a{
    color:var(--white-color);
    font-size: 1.05rem;
    font-weight: 500;
    line-height: 1rem;
    letter-spacing: 1px;
    border: 2px solid transparent;
}
.nav-item a:hover{
    color:var(--sd-green);
    border: 2px solid var(--sd-green);
}
.btn-ticket.orange{
    background-color: var(--sd-orange);
    color: var(--black-color);
    border: solid 2px var(--sd-orange);
    border-radius: 0;
    padding: 0.75rem 1rem !important ;
}
.btn-ticket.purple{
    background-color: var(--sd-purple);
    color: var(--black-color);
    border: solid 2px var(--sd-purple);
    border-radius: 0;
    padding: 0.75rem 1rem !important ;
}
.btn-ticket.orange:hover,nav .btn-ticket.orange:focus,
.btn-ticket.purple:hover,nav .btn-ticket.purple:focus {
    background-color: var(--sd-green);
    color: var(--black-color);
    border: solid 2px var(--sd-green);
}
nav .nav-link { margin-top: 0; margin-bottom: 0;}
nav .mainlogo {
    display: flex;
    align-items: center;
}
nav .mainlogo img {
    max-width: 160px;
    text-align: left;
    padding-right: 5px;
}
nav .mainlogo img.school {
    max-width: 180px;
}
@media (max-width: 768px) {
    nav .navbar-collapse{
        display: flex;
    }
    nav .navbar-collapse .navbar-nav{
        width: 100%;
    }
    nav .nav-item{
        justify-content: center;
    }
    .nav-item a {
        font-size: 1rem;
        line-height: 1rem;
        padding: 1.25rem 0;
    }
    .nav-item a .sm-txt, .nav-item p .sm-txt{
        font-size: 13px;
    }
    .navbar-toggler, .navbar-toggler:focus, .navbar-toggler:active{
        padding: 2px;
        border: 0px;
    }
    .navbar img{
        width: 130px;
    }
    nav .mainlogo img.school {
        max-width: 130px;
    }
    nav .mainlogo img {
        max-width: 90px;
        height: auto;
    }

}
/* adbtn ---------- */
#adbtn{
    width: 100%;
    position: fixed;
    bottom: 0;
    z-index: 99;
    padding: 0;
    }
#adbtn a.orange{
    border-top: 4px solid var(--black-color);
    border-bottom: 4px solid var(--black-color);
    border-left: 4px solid var(--black-color);
    border-right: 2px solid var(--black-color);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 1px;
}
#adbtn a.purple{
    border-top: 4px solid var(--black-color);
    border-bottom: 4px solid var(--black-color);
    border-left: 2px solid var(--black-color);
    border-right: 4px solid var(--black-color);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 1px;
}

/* main ---------- */
#main{
    background: var(--sd-orange) url(../img/bg-linear.png);
    background-repeat: no-repeat;
    background-position:center bottom ;
    background-size: 80vw;
    /* aspect-ratio: 1280 / 580 ; */
}
#main img.main-title{
    height: 70px;
    width: fit-content;
}
#main img.sub-title{
    height: 40px;
    width: fit-content;
}
#main .animate{
    margin-top: -100px;
}
@media (max-width: 768px) {
    #main .animate{
        margin-top: 0px;
    }
}
#main .date{
    gap: 1rem;
}
#main .date img{
    height: 70px;
    width: fit-content;
}
@media (max-width: 768px) {
    #main{
        background-size: 100vw;
    }
    #main h6{
        font-size: 18px;
    }
    #main img.main-title,#main img.sub-title{
        height: fit-content;
        width: 100%;
    }
    #main .address{
        order: 4;
    }
}

#exhibitor .ex-card{
    border: 3px solid var(--sd-orange);
    padding: 1rem;
    height: 100%;
    display: flex;
    flex-wrap: wrap;
    align-content: space-between;
    color: #1e1e1e;
}
#exhibitor .col-img{
    width: 100px;
    aspect-ratio: calc(1 / 1);
}

#exhibitor .area{
    color: #AEB9C2;
}
#exhibitor .ex-info {
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 4; /* number of lines to show */
            line-clamp: 4; 
    -webkit-box-orient: vertical;
}
#exhibitor .ex-link{
    height: fit-content;
}
#exhibitor .ex-link span{
    padding: 2px 6px;
    background: var(--black-color);
    color: var(--white-color);
}
#exhibitor .ex-card:hover{
    transform: scale(1.02);
    transition: .25s linear all;
}
#exhibitor .ex-card:hover .ex-link span{
    background: var(--sd-orange);
    color: var(--black-color);
    transition: .25s linear all;
}
    @media (max-width: 768px) {
        #exhibitor-container{
            padding: 0;
        }
        #exhibitor-container>div{
            padding-left: 0 !important; 
            padding-right: 0 !important;
        }
    }
/* agenda3 ---------- */
#agenda3{
    background: url(../img/agenda-bg.svg?v=0910);
    background-position: center top;
    background-repeat: no-repeat;
    background-size: contain;
}

#agenda3 .agenda-top{
    background-color: #00B78D;
    padding: 1rem;
}


#agenda3 .agenda-forum{
    margin: 1rem auto;
}

#agenda3 .agenda-forum .event-box{
    border-bottom: 1px solid #00B78D;
    padding: 0.5rem;
    /* justify-content: space-between; */
}
#agenda3 .agenda-forum .event-hashtag{
    font-weight: 300;
    padding: 3px 6px;
    background: var(--black-color);
    color: #dddddd;
}
#agenda3 .agenda-forum .event-info{
    color: #656C72;
}
#agenda3 .agenda-forum .spk-title,
#agenda3 .agenda-forum .spk-name{
    color: #AEB9C2;
}
.img-circle {
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: 50%;
    border: 2px solid #00B78D;
}
#agenda3 .agenda-forum .col-img{
    width: 75px;
}

#agenda3 .agenda-forum .break.event-box{
    background-color: #00B78D;
    padding: 1rem;
}
#fair-events .nav-tabs {
    border-bottom: 6px solid #00B78D;
    padding: 0;
}
#fair-events .nav-tabs .nav-link {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: calc(-1* var(--bs-nav-tabs-border-width));
    border: 6px solid transparent;
    border-top-left-radius: 0px;
    border-top-right-radius: 0px;
    background: var(--black-color);
    color: var(--white-color);
}

#fair-events .nav-tabs .nav-item.show .nav-link,
#fair-events .nav-tabs .nav-link.active {
    color: var(--black-color);
    background-color: #00B78D;
    border-color: #00B78D;
}
#fair-events .nav-tabs .nav-item.show .ex-btn,
#fair-events .nav-tabs .ex-btn.active{
    color: var(--black-color);
    background-color: var(--sd-orange);
    border-color: var(--sd-orange);
}

#podcast {
    position: relative;
    background: #00B78D;
    padding: .5rem;
    overflow: hidden;
    align-items: center;
}
#podcast::after{
    position: absolute;
    content: '';
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 36px 36px 0 0;
    border-color: var(--white-color) transparent transparent transparent;
    top: 0;
    left: 0;
}
#podcast::before{
    position: absolute;
    content: '';
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 0 36px 36px;
    border-color: transparent transparent var(--white-color) transparent;
    bottom: 0;
    right: 0;
}
#podcast .col-img{
    width: 150px;
    aspect-ratio: calc(1 / 1);
    object-fit: contain;
    object-position: top;
}
#podcast .img-circle{
    width: 80px;
    margin-right: 1.25rem;
}
#podcast .event-info{
    color: var(--black-color);
}
#podcast.agenda-top{
    background-color: #00B78D;
    padding: .5rem;
}


@media (max-width: 768px) {
    #agenda3{
        background: url(../img/agenda-bg-mob.svg);
        background-position: center top;
        background-repeat: no-repeat;
        background-size: contain;
    }
    #agenda3 .agenda-forum .col-img{
        width: 50px;
    }
    #podcast .img-circle{
        width: 50px;
        margin-right: unset;
    }
    #podcast>div{
        order: 2;
        padding-left: 1rem;
    }
    #podcast img{
        order: 1;
    }
}

/* about ---------- */
#about h2{
    font-size: 72px;
    font-weight: 900;
    margin: 0;
    background: -webkit-linear-gradient(#ffffff 50%, #ffffff00 80%);
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 2px;
}
#about h3{
    color: var(--white-color);
    letter-spacing: 2px;
}
#about a{
    position: relative;
    background: var(--sd-orange);
    border: 4px solid var(--black-color);
    padding: 1rem;
}
#about a:hover{
    background: var(--sd-green);
    transition: .25s all linear;    
}
#about a::before{
    content: '';
    position: absolute;
    width: 32px;
    height: 32px;
    background: url(../img/icon-circle2.svg);
    background-size: cover;
    top: -10px;
    left: -10px;
    z-index: 5;
    animation: box-rotate 20s infinite linear;
}

@keyframes box-rotate {
    0%   {    
        top: -16px;
        left: -16px;
        transform: rotate(0deg);
    }
    45% {
        top: -16px;
        left: 99%;

    }
    50%{
        top: 70%;
        left: 99%;
        transform: rotate(900deg);
    }
    95%{
        top: 70%;
        left: -16px;
    }
    100%{
        top: -16px;
        left: -16px;
        transform: rotate(1800deg);
    }
}

@media (max-width: 768px) {
    @keyframes box-rotate {
        0%   {    
            top: -16px;
            left: -16px;
            transform: rotate(0deg);
        }
        45% {
            top: -16px;
            left: 95%;
    
        }
        50%{
            top: 70%;
            left: 95%;
            transform: rotate(900deg);
        }
        95%{
            top: 70%;
            left: -16px;
        }
        100%{
            top: -16px;
            left: -16px;
            transform: rotate(1800deg);
        }
    }
    
    #about h2{
        font-size: 48px;
        letter-spacing: 1px;
    }
    #about h3{
        letter-spacing: 1px;
    }
}


/* review ---------- */
#review {
    background: #D9D9D9;
    color: var(--black-color);
}
#review ul a{
    border: 2px solid transparent;
}
#review ul a li{
    color: var(--black-color);
}
#review ul a:hover{
    border: 2px solid var(--black-color);
    background: var(--black-color);
}
#review ul a:hover li{
    color: var(--white-color);
}
/*footer改色 ---------- */

#footer {
    position: absolute;
    width: 100%;
    background-color: #404040;
    color: var(--white-color);
}
#footer a{
    color: var(--white-color);
}
#footer a:hover{
    color: var(--sd-green);
    transition: .25s all linear;
}
#footer .scrolltop {
    background: var(--sd-green);
    color: var(--black-color);
    opacity: .9;
}