html {
    scroll-behavior: smooth;
}

body {
    font-size: 18px;
    line-height: 1.8em;
    color: #515151;
    font-family: Arial,
        "Microsoft JhengHei",
        '新細明體',
        Helvetica,
        sans-serif;

}

section {
    padding: 3em 1.5em;
}


.jumbotron {
    height: 60vh;
    background: url(../img/image15.gif) center no-repeat;
    background-size: contain;
    margin-bottom: 0;
    background-color: #000302;
}



nav {
    font-weight: 700;
    box-shadow: 0 0 3px rgb(0 0 0 / 20%);
}

.navbar {
    padding: 0px 5vw;
    margin: 0px;
}

.navbar-brand img {
    max-width: 75%;
}

.navbar-nav {
    width: 100%;
}



.nav-link {
    padding: 20px;
    transition: transform 0.2s ease, color 0.2s ease;
}

.nav-link:hover {
    transform: translate(2px, 1px);

}

h1 {
    font-size: 3.2em;
    font-weight: 600;
    text-align: center;
    color: #fff;
    text-shadow: rgba(0, 0, 0, 0.8) 0px 3px 8px;
    margin-top: 2em;
}

.txt-green {
    color: #48b738;

}

.subtitle{
    font-weight: 600;
    color: #48b738;
    font-size: 22px;
    margin-bottom: 20px;
}

.subtitle span{
    border: 1px solid #48b738;
    padding: 5px 10px ;
}


a {
    color: #EC6604;
}

a:hover {
    color: #FEA82F;
    text-decoration: none;
}

.btn-main {
    background-color: #48b738;
    border-color: #48b738;
    padding: 15px 20px;
    border-radius: 30px;
    margin-bottom: 10px;
}

.btn-main:hover {
    background-color: #4B8500;
    border-color: #4B8500;
}


.section-foreword {
    color: #fff;
    background-color: #16161a;
}

.foreword-title {
    color: #e04010;
    font-weight: 700;
    margin-bottom: 2rem;
    line-height: 1.8;
    text-align: center;
    font-size: 2.2em;
}


.foreword-info {
    background-color: #fff;
    padding: 10px;
    margin-bottom: 30px;
    color: #121212;
    font-size: 20px;
}


.main-title {
    font-size: 2.4rem;
    color: #242629;
    text-align: center;
    font-weight: 700;
    margin-bottom: 2rem;
    letter-spacing: 0.07em;
}


.four-box {
    padding: 20px;
    border-radius: 10px;   
    background-color: #48b738;
    margin-bottom: 25px;
    font-size: 17px;
    line-height: 1.5;
}

.four-box-num{
    font-size: 30px;
    position: relative;
    color: #fdd000;
    text-align: center;
    font-weight: 600;
    line-height: 1;
    letter-spacing: 3.04px;
}
.four-box-num:after {
    content: "";
    display: block;
    width: 40px;
    height: 3px;
    background-color: #fdd000;
    position: absolute;
    top: 40px;
    left: 49.4%;
    transform: translateX(-50%);
}
.four-box-title{
    text-align: center;
    font-weight: 600;
    margin: 2rem 0rem;
    font-size: 24px;
    color: #16161a;
}

@media (min-width: 768px) { 
    .four-box {       
        min-height: 400px;
    }
 }

.section-agenda {
    background-color: #f1f1f1;
}

.title2{
    background-color: #000302;
    color: #ffffff;
    padding: 20px 0;
}

.read-more {
    color: #ec9b01;
}

.read-more:hover {
    color: #EC6604;
    text-decoration: none;
}

.collapse-txt {
    font-size: 16px;
}

.collapse-title {
    font-weight: 700;
    color: #000;
}

.section-tech {
    background-color: #16161a;
}




/*** footer***/
.section-footer {
    background-color: #444444;
    border-top: 1px solid #c5c6c7;
    padding: 20px 0 30px 0;
}

.section-footer .logo {
    width: 200px;
}

.social-link {
    width: 10px;
    margin-left: 10px;
    font-size: 24px;
    vertical-align: middle;
    color: #ededed;
}

.social-link:hover {
    color: #888888;
}



/*sidebar*/
#sidebarReg .register {
    background-color: #48b738;
    color: #fff;
    position: fixed;
    bottom: 15%;
    right: 0;
    border: none;
    display: block;
    font-weight: bold;
    font-size: 20px;
    writing-mode: vertical-lr;
    padding: 25px 10px;
    z-index: 10;
    border-radius: 10px 0 0 10px;
    box-shadow: 2px 3px 8px 0px rgba(58, 15, 228, 0.32);
}

#sidebarReg .register:hover {
    background-color: #C0E972;
}

#gotopBtn {
    display: none;
    /* Hidden by default */
    position: fixed;
    /* Fixed/sticky position */
    bottom: 20px;
    /* Place the button at the bottom of the page */
    right: 30px;
    /* Place the button 30px from the right */
    z-index: 99;
    /* Make sure it does not overlap */
    border: none;
    /* Remove borders */
    outline: none;
    /* Remove outline */
    background-color: rgba(121, 182, 0, 0.5);
    color: #fff;
    cursor: pointer;
    /* Add a mouse pointer on hover */
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 18px;
}

#gotopBtn:hover {
    background-color: rgba(121, 182, 0, 0.8);
}

:target:before {
    content: "";
    display: block;
    height: 72px;
    /* fixed header height*/
    margin: -72px 0 0;
    /* negative fixed header height */
}


@media (max-width: 576px) { 
    .jumbotron  {       
        height: 40vh;
        background-size: cover;
    }
    h1{
        font-size: 30px;
    }
 }

 @media (max-width: 767px) { 
    .jumbotron  {      
        
        background-size: cover;
    }  
 }






 /* <!-- lightbox 得獎名單 --> */
.alert-award {

}
  .alert-award {
    background-color: rgba(0, 0, 0, .5);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1050;
    display: block;
    width: 100%;
    height: 100%;
    overflow: auto;
    outline: 0;
  }
  
  .alert-award .modal-content {
  }
  .modal-header {
    background:#48b738;
  }
  .modal-header .til {
    color: #fff;
  }

  .alert-txt {}
  .alert-txt .sub-til {}
  .alert-award .close {
    font-size: 50px;
    color: #fff;
    padding: 5px;
    margin: 10px;
  }