/*-------------------- root --------------------*/

:root {
    --light-grey: #D4D4D4;
    --dark-grey: #757575;
    --light-bg: #E4EAF1;
    --eng-font: 'Montserrat', sans-serif;
    --font: 'Noto Sans TC', sans-serif, Arial, 'Segoe UI', 'Microsoft JhengHei';
    --dark-blue: #010A50;
    --light-blue: #00E9F8;
    --accent: #FFA100;
}

/*-------------------- global --------------------*/

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font);
    height: 100%;
    letter-spacing: 1px;
    background-color: var(--dark-blue);
    color: #fff;
    overflow-x: hidden;
}

a:hover {
    text-decoration: none;
}

section {
    padding: 6rem 0;
}

.pc-show {
    display: block !important;
}

.mobile-show {
    display: none !important;
}

@media(max-width:768px) {

    section {
        padding: 4rem 0;
    }

    .pc-show {
        display: none !important;
    }

    .mobile-show {
        display: block !important;
    }

}

@media(max-width:576px) {

    body {
        font-size: 0.85rem;
    }

}

/*-------------------- button --------------------*/

button:focus {
    outline: none;
}

.btn {
    border-radius: 50rem;
    padding: 0.375rem 1rem;
}

.btn.CTA {
    letter-spacing: 1.8px;
    font-weight: 700;
    font-size: 1.25rem;
}

.btn.eng {
    letter-spacing: 1.5px;
    font-weight: 700;
}

.btn.blue {
    background-color: var(--dark-blue);
    color: #fff;
    box-shadow: 0px 0px 40px 0px rgba(255, 255, 255, 0.40);
    padding: 0.5rem 3rem;
    min-width: 200px;
}

.btn.blue:hover {
    opacity: 0.8;
    transition: all 0.3s;
}

.btn.outline-white {
    color: #fff;
    border: 1px solid #fff;
}

.btn.outline-white:hover {
    background-color: rgba(255, 255, 255, 0.20);
    transition: all 0.3s;
}

.btn.outline-blue {
    color: var(--dark-blue);
    border: 1px solid var(--dark-blue);
    padding: 0.5rem 3rem;
    min-width: 200px;
}

.btn.outline-blue:hover {
    background-color: rgba(62, 29, 111, 0.2);
    transition: all 0.3s;
}

.btn.light-blue {
    background-color: var(--light-blue);
    color: var(--dark-blue);
    box-shadow: 0px 0px 40px 0px rgba(255, 255, 255, 0.40);
    padding: 0.5rem 3rem;
    min-width: 200px;
}

.btn.light-blue:hover {
    box-shadow: 0px 0px 40px 0px rgba(255, 255, 255, 0.60);
    transition: all 0.3s;
}

@media(max-width:576px) {

    .btn.blue,
    .btn.outline-blue {
        min-width: 120px;
    }

}

/*-------------------- to the top btn --------------------*/

.funcBtnsBox {
    position: fixed;
    right: 40px;
    bottom: 40px;
    z-index: 98;
}

.funcBtnsBox a {
    -webkit-box-shadow: 0px 0px 20px rgba(62, 29, 111, 0.30);
    box-shadow: 0px 0px 20px rgba(62, 29, 111, 0.30);
}

.gotopBtn {
    position: relative;
    background: rgba(255, 255, 255, 0.50);
    display: block;
    height: 60px;
    width: 60px;
    border-radius: 30px;
    cursor: pointer;
    opacity: 0.8;
}

.gotopBtn:hover {
    opacity: 1;
    transition: all 0.3s;
}

.gotopBtn i {
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    font-size: 1.5rem;
    color: #fff;
    font-weight: bold;
    color: var(--dark-blue);
}

@media(max-width:576px) {

    .funcBtnsBox {
        right: 20px;
        bottom: 20px;
    }

    .gotopBtn {
        height: 40px;
        width: 40px;
    }

}

/*-------------------- scrollbar --------------------*/

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.80);
}

::-webkit-scrollbar-thumb {
    background: rgba(117, 117, 117, 0.40);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(117, 117, 117, 0.80);
}

/*-------------------- text --------------------*/

h3.title {
    color: #fff;
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: 4px;
}

.remark {
    font-size: 0.8rem;
    text-align: center;
}

.content {
    line-height: 2rem;
}

.content ul {
    list-style: disc;
    margin-left: 1.3rem;
}

.eng {
    font-family: var(--eng-font);
}

@media (max-width:992px) {

    h3.title {
        font-size: 2rem;
    }

}

@media (max-width:768px) {

    .content {
        line-height: 1.5rem;
    }

}

@media (max-width:576px) {

    h3.title {
        font-size: 1.5rem;
    }

    .chairman-section h3.title {
        margin: 1rem auto -1rem;
    }

}

/*-------------------- header --------------------*/

header {
    padding: 2rem 0;
    position: fixed;
    top: 0;
    z-index: 999;
    width: 100vw;
}

.sticky-header {
    padding: 1rem 0;
    box-shadow: 0 0 30px rgba(203, 124, 143, 0.50);
    background-color: var(--dark-blue);
}

header .navbar-nav .nav-link {
    color: #fff;
    vertical-align: middle;
    padding: 0 0.75rem;
}

header .navbar-nav .nav-link:hover {
    opacity: 0.6;
    transition: all 0.3s;
}

header .navbar-nav .nav-link.active {
    color: var(--accent);
}

.navbar button i {
    color: #fff;
}

.share-btn-area {
    font-weight: 900;
    font-size: 12px;
    line-height: 40px;
    margin: 0 0.75rem;
    padding: 0 0.75rem;
    border-radius: 50rem;
    color: #fff;
    border: 1px solid #fff;
}

img.share-btn {
    margin: 0 0.25rem;
}

img.share-btn:hover,
.icon-share-2:hover {
    opacity: 0.6;
    transition: all 0.3s;
}

.share-btn-area {
    width: 40px;
    height: 40px;
    padding: 0;
    margin: 0 0.5rem;
}

.share-btn-area:nth-child(3) {
    margin: 0 0.5rem 0 0;
}

.share-btn-area .navbar-toggler {
    padding: 0;
    margin: auto;
    height: 100%;
}

.share-btn-area .navbar-nav {
    position: fixed;
    top: 80px;
}

.share-btn-area .navbar-nav a {
    display: block;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--dark-blue);
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.30);
    border: 1px solid rgba(255, 255, 255, 0.30);
}

img.share-btn {
    display: block;
    margin: auto;
    padding-top: 8px;
}

@media (max-width:992px) {

    header {
        padding: 0.5rem 0;
    }

    .sticky-header {
        padding: 0.5rem 0;

    }

    nav .navbar-nav {
        position: fixed;
        width: 100vw;
        left: 0;
        top: 63px;
        /*        background-color: rgba(62, 29, 111, 0.70);*/
        background-color: var(--dark-blue);
        padding: 1rem;
    }

    header nav .navbar-nav .nav-link {
        padding: 0.5rem;
        text-align: center;
    }

    header nav button[aria-expanded="true"] i.icon-menu:before {
        content: "\e8f6";
    }

    .CTA-btn-area {
        height: 40px;
    }

    .CTA-btn-area .btn {
        font-size: 0.8rem;
    }

    .share-btn-area .navbar-nav {
        top: 60px;
    }

}

/*-------------------- KV banner-section --------------------*/

section.KV-section {
    background: url('../image/banner-kv.png');
    background-size: auto;
    background-position: 50% 50%;
    background-repeat: no-repeat;
    position: relative;
    height: 100vh;
    min-height: 700px;
    overflow: hidden;
}

.banner-text {
    width: 100%;
}

.banner-kv {
    display: none;
}

.banner-text-area {
    z-index: 99;
}

@media (max-width:768px) {

    section.KV-section {
        background: none;
        height: 90vh;
        min-height: 90vh;
    }

    .KV-section .banner-text-area {
        position: absolute;
        bottom: 20%;
        left: 0;
    }

    .KV-section .banner-text-area button {
        display: block;
        margin: auto;
    }

    .banner-text,
    .banner-kv {
        width: 80%;
        display: block;
        margin: auto;
    }

    .kv-area {
        transform: scale(1.1) translateX(5%);
    }

    .banner-kv {
        background-image: url(../image/banner-kv.png);
        background-size: contain;
        min-height: 250px;
        background-repeat: no-repeat;
        background-position: 50% 80%;
        transform: translateX(-30%) scale(2.5);
        margin: 0;
    }

    .banner-kv {
        margin-top: -10%;
    }

    .KV-section .banner-text-area {
        bottom: 10%;
    }

}

@media (max-width:375px) {

    .banner-kv {
        margin-top: -30%;
    }

}

@media (max-width:320px) {

    .banner-kv {
        margin-top: -40%;
    }

}

@media (min-width:1680px) {

    section.KV-section {
        background-size: cover;
    }

}

/*-------------------- mouse scroll effect --------------------*/

.mouse {
    position: absolute;
    bottom: 40px;
    z-index: 5;
    left: 50%;
    -webkit-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    transform: translateX(-50%);
    display: block;
}

.mouse .mouse-icon {
    display: block;
    width: 25px;
    height: 45px;
    border: 2px solid white;
    border-radius: 15px;
    cursor: pointer;
    position: relative;
    text-align: center;
    -webkit-transition: .3s all ease-in-out;
    -o-transition: .3s all ease-in-out;
    transition: .3s all ease-in-out;
}

.mouse .mouse-wheel {
    height: 4px;
    margin: 2px auto 0;
    display: block;
    width: 4px;
    background-color: white;
    border-radius: 50%;
    -webkit-animation: 1.6s ease infinite wheel-up-down;
    -moz-animation: 1.6s ease infinite wheel-up-down;
    animation: 1.6s ease infinite wheel-up-down;
}

.mouse:hover .mouse-icon {
    border-color: #fff;
}

@-webkit-keyframes wheel-up-down {

    0% {
        margin-top: 2px;
        opacity: 0;
    }

    30% {
        opacity: 1;
    }

    100% {
        margin-top: 20px;
        opacity: 0;
    }

}

@-moz-keyframes wheel-up-down {

    0% {
        margin-top: 2px;
        opacity: 0;
    }

    30% {
        opacity: 1;
    }

    100% {
        margin-top: 20px;
        opacity: 0;
    }

}

@keyframes wheel-up-down {

    0% {
        margin-top: 2px;
        opacity: 0;
    }

    30% {
        opacity: 1;
    }

    100% {
        margin-top: 20px;
        opacity: 0;
    }

}

@media(max-width:768px) {

    .mouse {
        bottom: 0;
    }

}

/*-------------------- chairman-section --------------------*/

section.chairman-section {
    position: relative;
    background: url('../image/chairman-bg.png');
    background-size: 100% 480px;
    background-position: bottom;
    background-repeat: no-repeat;
}

.chairman-section .container {
    background: rgba(255, 255, 255, 0.30);
    box-shadow: 0 0 50px 0 rgba(203, 124, 143, 0.50);
    backdrop-filter: blur(10px);
    border-radius: 2rem;
}

.chairman-section .chairman-word {
    padding: 3rem 0 1rem;
    margin-top: 2rem;
}

.chairman-section .content {
    margin: 3rem 3rem 4rem;
}

.chairman-section .content.ellipsis {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 8;
    -webkit-box-orient: vertical;
}

.chairman-section button {
    display: block;
    margin-bottom: 4rem;
    font-size: 18px;
}

.chairman-section .chairman-img {
    width: 80%;
    max-width: 100%;
    margin: 4rem 10% 1rem 0;
    border-radius: 1rem;
}

/*.chairman-section .chairman-title {
    background-color: var(--dark-blue);
    margin: -5rem 10% 4rem;
    padding: 1rem 3rem;
    display: inline-block;
    width: 80%;
    box-shadow: 0 8px 30px rgba(255, 255, 255, 0.3);
}*/

.chairman-section .pc-show {
    padding: 1rem 0 4rem;
}

.chairman-section .mobile-show .chairman-img {
    max-width: 100%;
    margin-top: 2rem;
    border-radius: 1rem;
}

@media (max-width:992px) {

    section.chairman-section {
        background-size: 100% 360px;
    }

    .chairman-section .chairman-word {
        padding: 0;
    }

    .chairman-section .chairman-img {
        width: 90% !important;
    }

    .chairman-section button {
        margin-bottom: 2rem;
    }

    .chairman-section .content.ellipsis {
        -webkit-line-clamp: 6;
    }

}

@media (max-width:768px) {

    section.chairman-section {
        background: none;
    }

    .chairman-section .chairman-img {
        margin: 0 5%;
    }

}

/*-------------------- speakers-section --------------------*/

section.speakers-section {
    padding-bottom: 1rem;
}

section.speakers-section h4 {
    font-weight: 700;
    writing-mode: vertical-rl;
    text-orientation: upright;
    letter-spacing: 12px;
    color: var(--light-blue);
    font-size: 32px;
    min-height: max-content;
}

.keynote-speakers,
.moderator,
.panelists {
    min-height: 700px;
    align-content: center;
    position: relative;
}

.panelists {
    min-height: 1380px;
}

.keynote-speakers h4,
.panelists h4 {
    position: absolute;
    left: 30vw;
    top: -20px;
}

.panelists h4 {
    top: -210px;
}

.keynote-speakers::before,
.panelists::before {
    content: " ";
    display: block;
    width: 850px;
    height: 660px;
    position: absolute;
    left: -10vw;
    top: -8%;
    background-image: url(../image/speaker-bg-dec.png);
    background-repeat: no-repeat;
}

.moderator::before {
    content: " ";
    display: block;
    width: 850px;
    height: 660px;
    position: absolute;
    right: -10vw;
    top: -8%;
    background-image: url(../image/speaker-bg-dec2.png);
    background-repeat: no-repeat;
}

.moderator h4 {
    position: absolute;
    top: -70px;
    right: 30vw;
}

.speaker-brief {
    background: rgba(255, 255, 255, 0.30);
    box-shadow: 0 0 50px 0 rgba(203, 124, 143, 0.50);
    backdrop-filter: blur(10px);
    border-radius: 50em;
    padding: 1.75rem 1rem;
    align-items: center;
    margin: 0 15px;
}

.panelists .speaker-brief {
    margin-bottom: 3rem;
}

.speakers-section .speaker-img {
    width: 100%;
    border-radius: 50%;
    position: relative;
    cursor: pointer;
}

.speakers-section .speaker-img:hover {
    opacity: 0.8;
    transition: all 0.3s;
}

.speakers-section .speaker-name {
    font-weight: 700;
}

.speakers-section .speaker-title {
    color: var(--light-grey);
    font-size: 1.125rem;
    line-height: normal;
    letter-spacing: 0.05625rem;
}

@media (max-width:992px) {

    section.speakers-section h4 {
        writing-mode: unset;
        text-orientation: unset;
        letter-spacing: 6px;
        font-size: 20px;
        position: unset;
        text-align: center;
        margin-bottom: 3rem;
    }

    .keynote-speakers,
    .moderator {
        min-height: 520px;
    }

    .panelists {
        margin-top: 3rem;
    }

    .keynote-speakers::before,
    .moderator::before,
    .panelists::before {
        background: none;
    }

    .speakers-section .speaker-img {
        width: 80%;
    }

}

@media (max-width:768px) {

    .speakers-section .speaker-img {
        width: 100%;
    }

    .keynote-speakers,
    .moderator {
        min-height: 300px;
    }

    .panelists {
        min-height: 900px;
    }

    .keynote-speakers .speaker-brief {
        margin-bottom: 3rem;
    }

    .keynote-speakers,
    .moderator {
        margin-bottom: 3rem;
    }

}

@media (max-width:576px) {

    .speaker-brief {
        padding: 1rem;
    }

    .speaker-name {
        font-size: 1rem;
    }

    .speakers-section .speaker-title {
        font-size: 0.8rem
    }
}

@media (min-width:1032px) {

    .keynote-speakers::before,
    .panelists::before,
    .moderator::before {
        transform: scale(1.15);
    }

    .keynote-speakers h4,
    .panelists h4 {
        left: 25vw;
    }

    .moderator h4 {
        right: 25vw;
    }

}

@media (min-width:1100px) {

    .keynote-speakers::before,
    .panelists::before,
    .moderator::before {
        transform: scale(1.3);
    }

    .keynote-speakers h4,
    .panelists h4 {
        left: 20vw;
    }

    .moderator h4 {
        right: 20vw;
    }

}

@media (min-width:1300px) {

    .keynote-speakers::before,
    .panelists::before,
    .moderator::before {
        transform: scale(1.4);
    }

    .keynote-speakers h4,
    .panelists h4 {
        left: 14vw;
    }

    .moderator h4 {
        right: 14vw;
    }

}

@media (min-width:1400px) {

    section.speakers-section h4 {
        font-size: 2.5rem;
    }

    .keynote-speakers::before,
    .panelists::before {
        left: 0vw;
    }

    .moderator::before {
        right: 0vw;
    }


    .keynote-speakers h4,
    .panelists h4 {
        left: 19vw;
    }

    .moderator h4 {
        right: 19vw;
    }

}

@media (min-width:1500px) {

    .keynote-speakers h4,
    .panelists h4 {
        left: 15vw;
    }

    .moderator h4 {
        right: 15vw;
    }

}

@media (min-width:1600px) {

    .keynote-speakers::before,
    .panelists::before {
        transform: scale(1.5);
        left: 0vw;
    }

    .moderator::before {
        transform: scale(1.5);
        right: 0vw;
    }

    .keynote-speakers h4,
    .panelists h4 {
        left: 10vw;
    }

    .moderator h4 {
        right: 10vw;
    }

}

@media (min-width:1760px) {

    .keynote-speakers h4,
    .panelists h4 {
        left: 4vw;
    }

    .moderator h4 {
        right: 4vw;
    }

}

@media (min-width:1920px) {

    .keynote-speakers::before,
    .panelists::before {
        left: 5vw;
    }

    .moderator::before {
        right: 5vw;
    }

    .keynote-speakers h4,
    .panelists h4 {
        left: 6vw;
    }

    .moderator h4 {
        right: 6vw;
    }
}

@media (min-width:2048px) {

    .keynote-speakers::before,
    .panelists::before {
        left: 9vw;
    }

    .moderator::before {
        right: 9vw;
    }

}

@media (min-width:2260px) {

    .keynote-speakers h4,
    .panelists h4 {
        left: 3vw;
    }

    .moderator h4 {
        right: 3vw;
    }

}

@media (min-width:2360px) {

    .keynote-speakers::before,
    .panelists::before {
        left: 8vw;
    }

    .moderator::before {
        right: 8vw;
    }

    .keynote-speakers h4,
    .panelists h4 {
        left: -1vw;
    }

    .moderator h4 {
        right: -1vw;
    }

}

@media (min-width:2560px) {

    .keynote-speakers::before,
    .panelists::before,
    .moderator::before {
        transform: scale(1.8);
    }

    .keynote-speakers h4,
    .panelists h4 {
        left: -2vw;
    }

    .moderator h4 {
        right: -2vw;
    }

}

/*-------------------- agenda-section --------------------*/

section.agenda-section {
    background-image: url('../image/agenda-bg.svg');
    background-repeat: no-repeat;
    background-size: 100% auto;
    background-attachment: fixed;
    /*margin-top: 10rem;*/
}

section.agenda-section h3.title {
    color: #fff;
    margin-bottom: 8rem;
}

.agenda-container {
    position: relative;
    margin: 4rem auto 2rem;
}

.agenda:before {
    content: " ";
    position: absolute;
    top: -20px;
    left: 20%;
    bottom: -20px;
    width: 5px;
    background: var(--accent);
}

.agenda-item {
    display: flex;
    position: relative;
}

.agenda-item .agenda-time {
    width: 20%;
    padding-right: 2.5rem;
    text-align: right;
    position: relative;
    font-family: var(--eng-font);
    font-weight: 700;
    font-size: 2rem;
}

.agenda-item .agenda-time:before {
    content: " ";
    position: absolute;
    width: 30px;
    height: 30px;
    background-color: var(--dark-blue);
    border: 5px solid var(--accent);
    border-radius: 50%;
    right: -7.5px;
    top: 9px;
    z-index: 99;
}

.agenda-item .agenda-content {
    margin: 0 0 70px;
    width: 80%;
    padding-left: 30px;
}

.agenda-item .agenda-content .notation {
    background-color: var(--accent-blue);
    border-radius: 50rem;
    padding: 0.5rem 1rem;
    font-family: var(--eng-font);
    font-weight: 900;
    display: inline-block;
    margin: 0.5rem 0 1rem;
}

.agenda-item .agenda-content .notation .chinese {
    font-weight: 700;
    font-family: var(--font);
    margin-left: 0.5rem;
}

.agenda-section .chinese .speaker-name,
.agenda-section .eng .speaker-name {
    font-size: 1.5rem;
    margin-right: 1rem;
}

.agenda-section .chinese .speaker-name {
    font-weight: 700;
}

.agenda-section .chinese .speaker-title,
.agenda-section .eng .speaker-title {
    font-size: 1.125rem;
}

.agenda-section .eng {
    font-family: var(--eng-font);
}

.agenda-section .eng .speaker-name {
    font-weight: 900;
}

.agenda-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 1rem;
}

.agenda-subtitle {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--light-blue);
    margin-bottom: 1rem;
}

.agenda-title-eng {
    font-family: var(--eng-font);
    font-size: 1.125rem;
}

.speaker-sort {
    font-size: 1.25rem;
    padding: 2rem 0 1rem;
}

.speaker-sort .chinese {
    font-family: var(--font);
    font-weight: 700;
    color: var(--dark-blue);
    background-color: var(--accent);
    border-radius: 0.5rem;
    padding: 0.5rem 1.25rem;
}

.agenda-section .speaker {
    margin: 0 0 1.5rem;
}

.agenda .agenda-item:last-child {
    margin-top: -3rem;
}

.agenda-section p.remark {
    color: var(--light-grey);
    margin: 4rem auto 0;
    width: fit-content;
    text-align: left;
}

@media (max-width: 768px) {

    section.agenda-section {
        background-size: cover;
    }

    .agenda-item .agenda-content {
        margin-bottom: 30px;
    }

    .agenda:before {
        width: 3px;
    }

    .agenda-item .agenda-time {
        font-size: 1rem;
    }

    .agenda-item .agenda-time:before {
        width: 15px;
        height: 15px;
        border-width: 3px;
        right: 0;
        top: 4px;
    }

    .agenda-item .agenda-content {
        padding-left: 10px;
    }

    .agenda-title {
        font-size: 1.25rem;
        margin-bottom: 0.5rem;
    }

    .agenda-subtitle {
        font-size: 1rem;
    }

    .speaker-sort {
        padding: 1rem 0;
    }

    .speaker-sort,
    .agenda-title-eng {
        font-size: 1rem;
    }

    .agenda-item .agenda-content .notation {
        margin: -0.5rem 0 0.5rem;
    }

    .agenda-section .chinese .speaker-name,
    .agenda-section .eng .speaker-name {
        font-size: 1rem;
        margin-right: 0.5rem;
    }

    .agenda-section .chinese .speaker-title,
    .agenda-section .eng .speaker-title {
        font-size: 0.9rem;
    }

}

@media (max-width: 576px) {

    .agenda-item .agenda-time {
        width: 24%;
    }

    .agenda-item .agenda-content {
        width: 76%;
    }

    .agenda:before {
        left: 24%;
    }

    .agenda-item .agenda-time:before {
        right: -2px;
    }

}


/*-------------------- sponsors-section --------------------*/

section.sponsors-section {
    background-color: rgba(178, 178, 178, 0.2);
    background-image: url('../image/sponsor-bg.svg');
    background-repeat: no-repeat;
    background-size: 100% auto;
    background-attachment: fixed;
}

.sponsors-video {
    margin: 4rem 0 0;
}

.sponsors-video div {
    margin-bottom: 1rem;
}

.video-item h4 {
    font-size: 1.15rem;
    font-weight: 700;
    text-align: center;
    margin-top: 0.5rem;
}

.video-item:hover {
    display: block;
    transform: translateY(-10px);
    transition: all 0.3s;
}

.sponsors-section iframe {
    width: 100%;
    height: 100%;
}


.sponsors-sort {
    text-align: center;
    margin-top: 4rem;
}

.sponsors-sort .eng {
    font-family: var(--eng-font);
    color: #394183;
    font-size: 8rem;
    font-weight: 900;
}

.sponsors-sort .chinese {
    background-color: var(--accent);
    color: var(--dark-blue);
    border-radius: 50rem;
    padding: 0.5rem 1rem;
    font-weight: 700;
    display: inline-block;
    position: relative;
    bottom: 90px;
}

.sponsors-block {
    margin-top: -3rem;
}

.sponsors-block div {
    margin-bottom: 1rem;
}

.sponsors-section .sponsors-block:last-child {
    margin-bottom: 4rem;
}

.sponsors-booth {
    margin-top: 12rem;
}

.sponsors-booth p.remark {
    margin: -5.5rem auto 4rem;
}

.sponsor-item {
    padding: 0.5rem 0.5rem;
    border-radius: 0.75rem;
    background-color: #fff;
    display: inline-block;
    width: 100%;
}

.sponsor-item img {
    width: 100%;
    aspect-ratio: 2/1;
    object-fit: contain;
}

.sponsor-item:hover img {
    transform: scale(1.1);
    transition: all 0.3s;
}

.booth-block {
    max-width: 720px;
    margin: -3rem auto;
}

.sponsors-block .booth-item {
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    margin-right: 1rem;
    margin-bottom: 1.5rem;
    border: 1px solid #fff;
    padding: 0.75rem 1.25rem;
    border-radius: 0.25rem;
}


@media (min-width:992px) {

    .video-col {
        -ms-flex: 0 0 20%;
        flex: 0 0 20%;
        max-width: 20%;
    }

}

@media (max-width:992px) {

    .sponsors-sort .eng {
        font-size: 4.5rem;
    }

    .sponsors-sort .chinese {
        bottom: 70px;
    }

}

@media (max-width:768px) {

    section.sponsors-section {
        background-size: cover;
    }

    .sponsors-video {
        margin-top: 1rem;
    }


    .video-item h4 {
        margin-bottom: 1rem;
    }

    .sponsors-sort {
        margin-top: 2rem;
    }

    .sponsors-booth {
        margin-top: 12rem;
    }

    .sponsors-section .sponsors-block:last-child {
        margin-bottom: 1rem;
    }

}



/*-------------------- location-section --------------------*/

section.location-section {
    background: url('../image/location-bg.png');
    background-repeat: no-repeat;
    background-size: 100% auto;
    background-position: bottom;
    overflow: hidden;
}

section.location-section h3.title {
    color: #fff;
}

.location-title,
.location-title-eng {
    color: var(--accent);
    text-align: center;
}

.location-title {
    font-size: 1.6rem;
    font-weight: 300;
    letter-spacing: 2px;
    margin-top: 4rem;
}

.location-title-eng {
    font-family: var(--eng-font);
    font-weight: 900;
    letter-spacing: 1.5px;
    line-height: 1.75rem;
}

.location-section .map {
    font-size: 1.15rem;
    text-align: center;
    color: var(--light-grey);
    letter-spacing: 1.5px;
    margin: 1rem auto 1rem;
}

.location-section .google-map {
    width: fit-content;
    margin: auto;
}

.location-section .google-map iframe {
    max-width: 100% !important;
}

.location-section .note {
    white-space: pre-line;
    max-width: 900px;
    margin: auto;
}

.location-section .contact {
    max-width: 900px;
    margin: auto;
}

.contact-title {
    font-size: 1.15rem;
    padding: 2rem 0 1rem;
    color: var(--light-blue);
}

.contact-title::after {
    content: " ";
    display: block;
    height: 1px;
    margin-top: 0.5rem;
    background: var(--light-blue);
}

.contact-info {
    font-family: var(--eng-font);
    font-size: 1.25rem;
}

.contact-info .name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-right: 3rem;
}

.contact-info i {
    padding: 0 0.5rem;
}

.contact-info a {
    margin-right: 1rem;
    color: #fff;
}

.contact-info a:hover {
    opacity: 0.8;
    transition: all 0.3s;
}

@media(max-width:768px) {

    section.location-section {
        background-size: unset;
    }

    .location-title {
        font-size: 1.25rem;
        margin-top: 2rem;
    }

    .location-title-eng {
        padding-top: 1rem;
        line-height: 1rem;
    }

    .location-section .map {
        font-size: 1rem;
    }

    .contact-title {
        font-size: 1rem;
    }

}

/*-------------------- footer --------------------*/

footer {
    text-align: center;
    padding: 4rem 0 1rem;
}

.footer-logo:hover {
    opacity: 0.8;
    transition: all 0.3s;
}

footer p.brief {
    font-size: 0.8rem;
    line-height: 1.5rem;
    color: var(--light-grey);
    margin: 2rem auto 0;
}

p.copyright {
    font-family: var(--eng-font);
    font-size: 0.8rem;
    margin: 1rem auto;
}

@media(max-width:992px) {

    footer p.brief {
        padding: 0 1rem;
    }

}

/*-------------------- modal --------------------*/

.modal-content {
    box-shadow: 0px 0px 40px 0px rgba(255, 255, 255, 0.40);
    max-height: 90vh;
    border-radius: 1.25rem;
}

.modal-header {
    background-color: var(--light-bg);
    color: var(--dark-blue);
    border-top-left-radius: 1.25rem;
    border-top-right-radius: 1.25rem;
}

.modal-body {
    color: var(--dark-grey);
    padding: 1rem 2rem;
    line-height: 2rem;
}

.modal-body {
    overflow-y: auto;
}

@media (max-width:768px) {

    .modal-body {
        padding: 1rem;
        line-height: 1.5rem;
    }

}

/*registrationModal*/

.registrationModal .modal-dialog {
    max-width: 700px;
    white-space: pre-line;
}

.registrationModal h6 {
    margin: auto;
    padding: 1rem;
    font-size: 1.15rem;
    font-weight: 700;
}

.registrationModal .modal-header .close {
    margin: -1.5rem -3rem 0 -6rem;
}

.registrationModal .modal-footer {
    justify-content: center;
    border-top: none;
}

.registrationModal button {
    min-width: 150px;
    min-height: 40px;
    font-weight: 700;
}

.registrationModal .remark {
    color: var(--dark-grey);
}

/*speakerModal*/

.speakerModal .modal-dialog {
    width: 1000px;
    max-width: 90vw;
}

.speakerModal h6 {
    font-weight: 700;
    font-size: 1.25rem;
}

.speakerModal h6 span.eng {
    font-weight: 900;
    margin-left: 0.5rem;
}

.modal-img {
    width: 100px;
    border-radius: 50%;
    border: 3px solid #fff;
    margin-right: 2rem;
}

.speakerModal .modal-header p {
    color: var(--dark-grey);
    margin: 0.25rem 0;
}

p.content-title {
    font-family: var(--eng-font);
    font-weight: 900;
    color: var(--dark-blue);
    font-size: 1.125rem;
    margin: 0.5rem 0;
}

@media(max-width:768px) {

    .modal-img {
        width: 60px;
        margin-right: 1rem;
    }

}

/*videoModal*/

.videoModal .modal-content {
    position: relative;
}

.videoModal button.close {
    position: absolute;
    top: -50px;
    right: 0;
    background-color: #fff;
    border-radius: 50%;
    padding: 0.5rem;
}

.videoModal .modal-body {
    border-radius: 0.5rem;
}

/*演講稿提供後刪除以下段落*/
/*.chairman-section .content.ellipsis {
    margin: 30% auto;
}

@media (max-width:768px) {
    .chairman-section .content.ellipsis {
        margin: 0 auto 3rem;
    }
}*/