html {
    scroll-behavior: smooth;
}

body {
    font-size: 18px;
    line-height: 1.8em;
    background: #f2f2f2;
    color: #58585b;
    font-family:
        '微軟正黑體',
        '新細明體',
        Arial,
        Helvetica,
        sans-serif;
}

section {
    padding: 2em 1em;

}

.mx1600 {
    max-width: 1600px;
    margin: 0 auto;
    background-color: #fff;
    box-shadow: 0 2px 5px 0 rgb(0 0 0 / 12%);
}

nav {
    background: #fff;
    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%;
}

.hightlight {
    background-color: #3CC4F1;
}

.navbar-dark .navbar-nav .nav-link {
    color: #ffffff;
}

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

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

}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link:focus {
    color: #fff;
}

a {
    color: #27aae1;
}

a:hover {
    color: #666;
    text-decoration: none;
}

.masthead {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    text-align: center;
    width: 100%;
    height: 50vh;
    overflow: hidden;
    background: url(../img/kvbg.jpg) no-repeat top center scroll;
    color: #ffffff;
    background-color: #000;
}

.masthead-word {
    position: absolute;
    width: 60%;
    max-width: 60%;
    right: 0;
    padding: 3.5em;
}


h1 {
    color: #fff;
    font-size: 3.5em;
    font-weight: 400;
    letter-spacing: 0.03em;
    line-height: 1.3;
    margin-bottom: 20px;
}

@media(max-width:1200px) {
    .masthead-word {
        max-width: 800%;
        width: 80%;
        padding: 0 10px;

    }

    h1 {
        font-size: 3rem;
    }
}

@media(max-width:576px) {
    .masthead-word {
        max-width: 100%;
        width: 100%;
        padding: 0 20px;
    }

    h1 {
        font-size: 2.2rem;
    }
}

.main-title {
    font-size: 2.5rem;
    color: #4d4c4c;
    text-align: center;
    margin: 2rem 0;
    font-weight: 700;
}

.section-intro {
    padding: 4em 1em 6em;
}

.section-two {
    padding-bottom: 5em;
}

.section-intro h3 {
    color: #0ee3a6;
    font-size: 2rem;
}

.section-intro h4 {
    color: #1F2020;
    margin-bottom: 20px;

}

.card-title {
    color: #0d274d;
    font-weight: 600;
}

.card-text {
    text-align: justify;
}

.btn-primary {
    background-color: #33c9ef;
    border: 1px solid #33c9ef;
    color: #0d274d;
    padding: 20px 0;
    border-radius: 44px;
    font-size: 1.5rem;
    box-shadow: 0 8px 20px 0 rgb(0 0 0 / 15%);
    font-weight: 700;
}


.btn-primary:hover {
    color: #FFF;
    box-shadow: none;
    background-color: #f7ab21;
    border: 1px solid #f7ab21;

}

label {
    font-weight: 700;
    font-size: 20px;
    margin-top: 10px;
}


footer {
    color: #fff;
    background-color: #0d274d;
    font-size: 16px;
    padding: 2rem 0;
    line-height: 1.4em;
}

ul li i {
    color: #ffffff;
    font-size: 14px;
}

footer a {
    color: #fff;
    font-size: 14px;
}


.footer-2 {
    font-size: 18px;
    padding: 20px 0;
}

.footer-2 ul li {
    margin-bottom: 18px;
}

.footer-2 a:hover {
    color: #fff;
    text-decoration: underline;
}



/*sidebar*/
#sidebarReg .register {
    background-color: #27aae1;
    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: #082531;
}

.help-block {
    color: #0ee3a6;
}