@import url('https://fonts.googleapis.com/css2?family=Ubuntu:ital,wght@0,300;0,400;0,500;0,700;1,300;1,400;1,500;1,700&display=swap');

.date-en-topic {
    font-family: "Ubuntu", sans-serif;
}

.mbr-parallax-background-fixed {
    position: relative;
    background-attachment: fixed;
    background-position: 50% top;
    background-repeat: no-repeat;
    background-size: cover;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    /*    background-color: #000340;*/
    background-image: url(../img/spbg.jpg);
}

/* hero section */
#main {
    padding-top: 6rem;
    padding-bottom: 6rem;
}

#main.flex {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

#main .summit {
    max-width: 400px;
}

#main .main-sub {
    z-index: 5;
}

.main-title {
    font-size: 4.5rem;
    line-height: 1.25;
    font-weight: 700;
    letter-spacing: 2px;
    color: #fff;
}

.main-txt {
    margin-top: 4rem;
}

.main-txt h5 {
    font-weight: 400;
}

/* exhibition */
/*第一屏*/
#main-p {
    padding-top: 12rem;
    padding-bottom: 4rem;
}

#main-p:after {
    content: "";
    width: 100%;
    height: 100%;
    background: linear-gradient(0deg, #0c16c700 5%, #0c16c7 80%);
    position: absolute;
    top: 0;
    left: 0;
    z-index: -1;
}

#main-p img.martech-logo {
    max-width: 350px;
}

#main-p .p-title {
    font-size: 5rem;
    line-height: 1.25;
    font-weight: 700;
    letter-spacing: 2px;
}

#main-p .p-txt {
    font-size: .9rem;
}

#main-p .p-txt h5 {
    font-weight: bold;
}

#exhibition .accordion-item {
    margin-bottom: 10px;
    border: none;
    border-radius: 16px 0 16px 16px;
    color: #000;
    background: #afe1e3;
}

#exhibition .accordion-button {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
    border-radius: 16px 0 16px 16px;
    color: #000 !important;
    background: #f9faff;
    box-shadow: 0 4px 12px -8px #00000055;
}

.accordion {
    --bs-accordion-btn-focus-border-color: #ffffff00;
    --bs-accordion-btn-focus-box-shadow: none;
    --bs-accordion-active-bg: #ffffff00;
}

.accordion-button:not(.collapsed) {
    color: #000;
    background-color: #ffffff00;
    box-shadow: none;
}

.accordion-button:focus {
    border-color: #ffffff00;
}

#exhibition .flex-coll {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    /*    justify-content: space-between;*/
    align-items: center;
    width: 100%;
}

#exhibition .flex-coll .box {
    flex-basis: 50%;
}

#exhibition .flex-coll .box2 {
    flex-basis: 45%;
}

#exhibition .flex-coll .box img {
    width: 80%;
    border-radius: 12px;
}

#exhibition .flex-coll .box2 {
    padding-right: 28px;
}

#exhibition .box .tag {
    position: absolute;
    top: 0;
    font-size: 14px;
    font-weight: 500;
    padding: 4px 13px;
    color: #fff;
    background: #ff5f00;
    border-radius: 0 0 14px 14px;
}

#exhibition .box2 img {
    max-width: 200px;
    width: 80%;
    padding-bottom: 1rem;
}

#exhibition .box2 p {
    font-size: 14px;
}

#exhibition .accordion-body {
    padding: 20px 28px;
}

#exhibition .accordion-body .contact p,
#exhibition .accordion-body .news p {
    font-size: 14px;
    color: #000;
}

#exhibition .accordion-body .contact a.flex-news {
    color: #000;
    display: inline-flex;
    align-items: center;
}

#exhibition .accordion-body .contact img.co {
    width: 28px;
    margin: 4px;
}

#exhibition .accordion-body .contact img:hover,
#exhibition .accordion-body .contact img:focus {
    opacity: .7;
}

#exhibition .accordion-body .news {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

#exhibition .accordion-body .news img {
    max-width: 120px;
    border-radius: 16px;
    margin-right: 12px;
}

#exhibition .accordion-body .news img {
    max-width: 120px;
    border-radius: 8px;
    margin-right: 12px;
    height: 80px;
    margin-bottom: 4px;
}

#exhibition .accordion-body .news a:hover,
#exhibition .accordion-body .news a:focus {
    opacity: .7;
}

#exhibition .flex {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    background-image: linear-gradient(-45deg, #48c7db 0%, #07044c 80%);
    padding: 30px 4.6%;
    border-radius: 20px 0px 20px 20px;
}

#exhibition .flex .box {
    flex-basis: 45%;
}

#exhibition .flex .box2 {
    flex-basis: 45%;
}

#exhibition .flex2 {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: flex-end;
    align-items: center;
}

#exhibition .flex2 p {
    flex-basis: 75%;
    margin: 0;
    margin-right: 1rem;
}

#exhibition .box-top {
    margin-top: 2rem;
}

#exhibition .deco_dot {
    position: relative;
    overflow: hidden;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #fff;
    color: #000340;
    text-align: center;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-header {
    color: #000;
}

.modal-body {
    background-color: #f3f4f6;
    color: #000;
}

.modal-body p,
.modal-body h5 {
    margin: 0;
}

.modal-body .info,
.modal-body .pro,
.modal-body .co {
    border-radius: 0.6rem;
    background-color: #fff;
    margin-bottom: 1rem;
}

.modal-body .title {
    font-size: .9rem;
    font-weight: 400;
    margin-bottom: .5rem;
}

.modal-body .pro a {
    align-items: center;
    padding-bottom: 1rem;
    border-bottom: 2px solid #eee;
    color: #000;
}

.modal-body .pro .pic {
    padding-right: 10px;
}

.modal-body .co p {
    margin-bottom: .5rem;
    padding-bottom: .5rem;
    border-bottom: 1px solid #eee;
}

.modal-body .co .doland {
    padding: 0.2rem 0.8rem 0.4rem;
    margin: 0px;
    font-size: 1rem;
    border-radius: 5px;
    background: #e24e0f;
    color: #fff;
}

.modal-body .co .doland:hover {
    background: #00d8f3;
}

.modal .modal-header button {
    background: #e8e8e800;
    border: 0px;
}

/* ==================================================*/

@media (max-width: 992px) {}

@media (max-width: 768px) {
    .mbr-parallax-background-fixed {
        background-image: url(../img/spbg-sm.jpg);
        background-position: -99999px -99999px;
    }

    .mbr-parallax-background-fixed:before {
        content: "";
        position: fixed;
        z-index: -1;
        top: 0;
        right: 0;
        bottom: 0;
        left: 0;
        height: 100vh;
        background-image: url(../img/spbg-sm.jpg);
        -webkit-background-size: cover !important;
        -o-background-size: cover;
        background-size: cover !important;
        background-position: 50% top;
    }

    #maincon .main-txt a {
        margin-top: 1rem;
    }

    #exhibition .flex .box {
        flex-basis: 100%;
    }

    #exhibition .flex .box2 {
        flex-basis: 100%;
    }

    #exhibition .flex2 {
        justify-content: space-between;
    }

    #exhibition .deco_dot {
        width: 40px;
        height: 40px;
    }

    #exhibition .accordion-button{
        padding-left: 1rem;
        padding-right: 1rem;
    }
    #exhibition .flex-coll .box2{
        padding-right: 4px;
    }
    #exhibition .accordion-body{
        padding: 18px;
    }
    #exhibition .box2 img{
        padding-bottom: .5rem;
    }
}

@media (max-width: 576px) {
    .forpc {
        display: none;
    }

    .forphone {
        display: block;
    }

    #exhibition .flex2 p br {
        display: none;
    }

    #main .summit {
        max-width: 240px;
    }

    .main-sub h3 {
        font-size: 1.2rem;
    }

    .main-title {
        font-size: 3.5rem;
    }

    #exhibition .deco_dot {
        width: 30px;
        height: 30px;
        font-size: 15px;
    }
}

@media (max-width: 375px) {}

.navbar {
    background-color: #000000c3;
}

nav .mainlogo {
    display: flex;
    align-items: center;
}

nav .mainlogo img {
    max-width: 180px;
    text-align: left;
    padding-right: 5px;
}

/* nav .mainlogo img.fm {
    max-width: 180px;
} */
.navbar-expand-lg .navbar-collapse {
    flex-basis: 80%;
}

.btn-primary {
    background-color: #f3b641;
    color: #fff;
    border: solid 2px #f3b641;
}

.btn-primary:hover {
    background-color: #e2810a;
    color: #fff;
    border: solid 2px #e2810a;
}

#footer .footer_bnextmedia li {
    padding: 0 4px;
    display: inline-block !important;
}

@media (max-width: 576px) {
    #footer .footer_bnextmedia li {
        margin: .2rem 0 0 .7rem;
    }

    #footer .footer_bnextmedia li {
        padding: 0 5px;
        display: inline-block !important;
    }

    .mainlogo img {
        width: 70px;
        height: auto;
    }
}

.navbar .btn {
    padding: 0.2rem 0.8rem 0.4rem;
    margin: 0px;
    color: #000;
    font-weight: bold;
    font-size: 1rem;
    margin: 0 0.2rem;
}

#footer {
    background: #000;
}

#footer .con {
    margin-bottom: .5rem;
}

#footer a.co-qa {
    color: #ff8b00;
}