html {
    scroll-behavior: smooth;
}

body {
    font-size: 18px;
    line-height: 2;
    color: #515151;
    font-family: 'AcronisCyber', Arial, '微軟正黑體', '新細明體', Helvetica, sans-serif;
}

h2 {
    text-align: center;
    font-size: 2.5rem;
    letter-spacing: .03em;
    line-height: 2;
    margin-bottom: 3rem;
    color: #00204d;
}

h4 {
    line-height: 1.5;
}

section {
    padding: 4em 1.5em;
}

a {
    color: #3e7fb8;
    cursor: pointer;
}

a:hover {
    color: #173e7e;
    text-decoration: none;
    cursor: pointer;
}

.txt-blue {
    color: #3e7fb8;
}

.btn-main {
    font-size: 1.3rem;
    color: #fff;
    background-color: #173e7e;
    padding: 15px 40px;
    border-radius: 25px;
}

.btn-light {
    color: #ffffff;
    background-color: #3CC4F1;
}

.btn-main:hover {
    background-color: #3CC4F1;
}

/** nav **/

nav {
    font-weight: 700;
    background: #1a2544;
    box-shadow: 0 0 3px rgb(0 0 0 / 20%);
    color: #FFFFFF;
}

.navbar {
    padding: 0px 5vw;
    margin: 0px;
    height: 80px;
    background-color: #00204d;
}

.navbar-brand img {
    max-width: 80%;
    padding: 0.5em;
}

.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: #83d0f5;
}

/** KV **/
.section-kv {
    text-align: center;
    height: 550px;
    background-image: url(../img/kvbg.jpg);
    background-position: right bottom;
    background-repeat: no-repeat;
    background-size: cover;
    /* background-image: linear-gradient(to bottom, #00204d 0%, #387dc0 100%); */
}

.kv-txt {
    color: #ffffff;
    padding-top: 6rem;
}

.kv-txt h1 {
    font-size: 5rem;
    font-weight: 600;
    letter-spacing: 0.3rem;
    text-shadow: 1px 2px 4px rgba(0, 0, 0, 0.8);
}

.kv-txt h2 {
    font-size: 3rem;
    color: #408bea;
    margin: 20px 0 15px;
}

.kv-txt h5 {
    line-height: 1.5;
}

.sub h1 {
    font-size: 3rem;
}

.sub h2 {
    font-size: 2rem;
}

@media (max-width: 576px) {
    .kv-txt h2 {
        background: rgba(255, 255, 255, 0.8);
    }
}

/**********
    前言
  **********/
.section-foreword {
    background-color: #f2f4f5;
}

/**********
    Acronis優勢
  **********/
.section-acronis {
    background-image: linear-gradient(180deg, #e5f1ff 0, #fff);
}

.box {
    display: block;
    width: 100%;
    min-height: 300px;
    overflow: hidden;
    /* background-color: #ddd; */
    /* border: 2px solid #bbbbbb; */
    background-image: linear-gradient(to top, #143c78, #1b4783, #21528f, #285d9a, #2f68a5, #3674af, #3e7fb8, #478bc2, #549acc, #62a9d6, #71b8e0, #81c7ea);
    text-align: center;
    position: relative;
    padding: 30px;
    border-radius: 10px;
}

.box h1 {
    color: #ffffff;
}

.overlay {
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    padding: 30px;
}

.overlay p {
    text-align: left;
}


.slide-up .overlay {
    background-color: #143c78;
    color: #fff;
    transform: translateY(100%);
    -webkit-transition: transform 0.3s ease-out;
    -o-transition: transform 0.3s ease-out;
    transition: transform 0.3s ease-out;
}

.slide-up .box:hover .overlay {
    transform: translateY(0);
}


/**********
 quote
  **********/
.section-quote {
    background-color: #f2f4f5;
}

.section-quote .section-title {
    text-align: left;
    margin-bottom: 70px;
}

.section-quote .quote-box {
    padding: 0;
    display: -ms-flexbox;
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 40px;
    /* border-bottom: 3px solid rgba(116, 68, 68, 0.2); */
    box-shadow: rgba(50, 50, 93, 0.25) 0px 6px 12px -2px, rgba(0, 0, 0, 0.3) 0px 3px 7px -3px;
}

.section-quote .quote-imgbox {
    padding: 0;
}

.section-quote .quote-imgbox img {
    width: 100%;
    overflow: hidden;
    box-shadow: 3px 3px 10px rgba(0, 0, 0, 0.2);
}

.section-quote .quote-txtbox {
    background-color: rgba(255, 255, 255, 0.6);
    padding-bottom: 10px;
}

.section-quote .quote-btn {
    text-align: right;
}

.section-quote blockquote {
    text-decoration: none;
    border: none;
    text-align: left;
    padding: 20px 20px 10px 20px;
    margin-bottom: 5px;
    font-size: 18px;
}

.section-quote i {
    font-size: 40px;
    color: #95c4ff;
    display: block;
    margin-top: 10px;
    margin-bottom: -15px;
    position: relative;
    z-index: 2;
}

.section-quote .btn {
    width: 180px;
}

@media (max-width: 768px) {
    .section-quote .section-title {
        margin-bottom: 2%;
    }

    .section-quote .quote-box {
        box-shadow: 0 0 8px #887c76;
    }

    .section-quote blockquote {
        padding: 20px 0;
    }

    .section-quote .quote-btn {
        text-align: center;
    }
}

/**********
Hot News 1122更新
  **********/
.news-box {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 25px;
    padding: 10px;
    transition: all 0.3s ease;
}

.news-box:hover {
    background-color: #ffffff;
    border: 2px solid #95c4ff;
}

.news-box a h4 {
    color: #00204d;
    font-size: 22px;
    font-weight: 600;
}

.news-box a {
    color: #2c2b29;
}

.news-box-img img {
    width: 100%;
}


/**********
速成班
  **********/
.section-forum {
    background-color: #001537;
    color: #ffffff;
}

.forum-card {
    color: #001537;
    background-color: #fff;
    padding: 20px;
    text-align: center;
    font-size: 1.5rem;
    border-radius: 20px;
    margin-bottom: 30px;
}

.media-cover {
    width: 100%;
    overflow: hidden;
    transition: all .3s ease;
}

.media-cover img {
    transition: all .3s ease;
}

.media-cover:hover img {
    opacity: .9;
    transform: scale(1.1);
}

/**********
下載白皮書
  **********/
.download-box {
    padding: 1.5rem 2rem;
    font-size: 1.5rem;
    border: 1px solid #143c78;
    margin-bottom: 1.5rem;
}



/* footer */
footer {
    color: #fff;
    background-color: #121212;
    font-size: 15px;
    padding: 2rem 0 1rem;
    line-height: 1.4em;
}

.footer-txt {
    margin: 15px 0;
    /* text-align: center; */
}

/**********
安全感知大調查
  **********/
.section-singup {
    background-color: #1a2544;
    color: #ffffff;
}

.gift-txt{
    font-size: 15px;
    text-align: center;
    line-height: 1.5;
    background-color: #3e7fb8;
    border-radius: 6px;
    padding: 5px;
    margin-top: 8px;
}

.section-singup p {
    font-size: 16px;
}

.sectione-form {
    font-size: 16px;
    line-height: 1.5;
}

.control-label {
    font-size: 17px;
    font-weight: 500;
    color: #00204d;
}

.option label {
    margin-right: 15px;
}

input[type="radio"],
input[type="checkbox"] {
    margin-right: 3px;
}

.option .form-control {
    display: inline-block;
    width: auto;
    height: calc(1.5em + 0.75rem + 2px);
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

/*sidebar*/
#sidebarReg .register {
    background-color: #83d0f5;
    background-image: linear-gradient(120deg, #89f7fe 0%, #66a6ff 100%);
    color: #2c2b29;
    position: fixed;
    bottom: 12%;
    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: rgba(0, 0, 0, 0.4) 0px 2px 4px, rgba(0, 0, 0, 0.3) 0px 7px 13px -3px, rgba(0, 0, 0, 0.2) 0px -3px 0px inset;
    line-height: 1.8;
    letter-spacing: 2px;
}

#sidebarReg .register:hover {
    background-image: linear-gradient(0deg, #89f7fe 0%, #66a6ff 100%);
}

#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(0, 0, 0, 0.2);
    color: #fff;
    cursor: pointer;
    /* Add a mouse pointer on hover */
    padding: 15px 20px;
    border-radius: 10px;
    font-size: 18px;
}

#gotopBtn:hover {
    background-color: rgba(0, 0, 0, 0.4);
}