html, body, p {
    margin: 0;
    padding: 0;
}

html {
    background-color: #000000;
}
.fixed-top{
    width: 100%;
    position: fixed;
    z-index: 1;
}
.bak {
    font-size: 0;
    position: relative;
}

.bak-1 {
    background: url(./img2/bak-seq-all_01.jpg) center top no-repeat;
    min-width: 1200px;
    height: 1126px;
}

.bak-2 {
    background: url(./img2/bak-seq-all_02_new.jpg) center top no-repeat;
    min-width: 1200px;
    height: 854px;
}

.bak-3 {
    background: url(./img2/bak-seq-all_03_new.jpg) center top no-repeat;
    min-width: 1200px;
    min-height: 1417px;
    background-repeat: repeat-y;
}
.bak-1 img{
    position: absolute;
}
.bak-img {
    width: 100%;
    max-width: 100%;
}
#top-right-icons{
    position: absolute;
    top: 20px;
    right: 15%;
}
.ab-a {
    margin: 0 8px;
    text-decoration: none;
}

.logo-gif {
    top: 263px;
    left: 160px;
}

.top-right-icons {
    left: 1382px;
    top: 24px;
}

.ab-a {
    cursor: pointer;
}

.facebook-a {

    top: 26px;
    width: 48px;
    height: 48px;
}

.twitter-a {

    top: 26px;
    width: 48px;
    height: 48px;
}

.mail-a {

    top: 26px;
    width: 48px;
    height: 48px;
}

.lan-a{
    margin-left: 30px;
}
/* bak2 */
.download-area {
    text-align: center;
    padding-top: 20px;
    padding-bottom: 50px;
}

.download-text, .download-ori {
    vertical-align: middle;
}

.download-text {
    margin-right: 100px;
}

.download-ori {
    margin: 0 20px;
}

#gallery {
    margin: 0 auto;
}

.ug-thumb-wrapper .ug-thumb-border-overlay:after {
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 10px solid #f10000;
    content: "";
    position: absolute;
    top: -14px;
}

.ug-thumb-selected:after {
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 10px solid green;
    content: "";
    position: absolute;
    top: -14px;
}

/* bak3 */
.bak-3-offset {
    padding-top: 60px;
}

.intro {
    width: 1000px;
    margin: 0 auto;
    padding-bottom: 50px;
}

.intro-1, .intro-2, .intro-3 {
    color: #e6e6e6;
    font-size: 20px;
    line-height: 35px;
}

.intro p {
    text-align: justify;
}

.award {
    text-align: center;
}

.award img {
    max-width: 100%;
}
.intro {
    width: 48.08%;
    margin: 0 auto;
    padding-bottom: 25px;
}
.intro-title-outer img {
    margin-left: -15px;
}

.intro-3 p:not(:last-child) {
    padding-bottom: 20px;
}

.intro-3 .reviewer {
    color: rgb(217, 176, 107);
    font-style: italic;
    font-weight: bold;
    display: block;
}
@media screen and (max-width: 2600px) {
    .bak-1, .bak-2, .bak-3 {
        background-size: 100%;
        height: 0;
    }

    .bak-1 {
        min-width: 1200px;
        width: 100%;
        padding-bottom: 58.64583%;
    }

    .bak-2 {
        min-width: 1200px;
        width: 100%;
        padding-bottom: 44.479167%;
    }

    .bak-3 {
        min-width: 1200px;
        width: 100%;
        padding-bottom: 20%;
        min-height: 888px;
    }

    .logo-gif {
        top: 20%;
        left: 13%;
        width: 45%;
    }

    .top-right-icons {
        top: 24px;
        right: 15%;
        left: auto;
    }

    .bak-1 .ab-a {
        cursor: pointer;
    }

    .facebook-a {
        left: auto;
        top: 26px;
        width: 48px;
        height: 48px;
    }

    .twitter-a {
        left: auto;
        top: 26px;
        width: 48px;
        height: 48px;
    }

    .mail-a {
        left: auto;
        top: 26px;
        width: 48px;
        height: 48px;
    }
    .intro {
        width: 48.08%;
        margin: 0 auto;
        padding-bottom: 25px;
    }
}
@media screen and (max-width: 1600px) {
    .bak-1, .bak-2, .bak-3 {
        background-size: 100%;
        height: 0;
    }

    .bak-1 {
        min-width: 1200px;
        width: 100%;
        padding-bottom: 58.64583%;
    }

    .bak-2 {
        min-width: 1200px;
        width: 100%;
        padding-bottom: 44.479167%;
    }

    .bak-3 {
        min-width: 1200px;
        width: 100%;
        padding-bottom: 20%;
        min-height: 888px;
    }

    .logo-gif {
        top: 20%;
        left: 13%;
        width: 45%;
    }

    .top-right-icons {
        top: 24px;
        right: 15%;
        left: auto;
    }

    .bak-1 .ab-a {
        cursor: pointer;
    }

    .facebook-a {
        left: auto;
        top: 26px;
        width: 48px;
        height: 48px;
    }

    .twitter-a {
        left: auto;
        top: 26px;
        width: 48px;
        height: 48px;
    }

    .mail-a {
        left: auto;
        top: 26px;
        width: 48px;
        height: 48px;
    }
    .intro {
        width: 48.08%;
        margin: 0 auto;
        padding-bottom: 25px;
    }
}
@media screen and (max-width: 1450px) {
    .download-area {
        text-align: center;
        padding-top: 15px;
        padding-bottom: 15px;
    }
}
@media screen and (max-width: 1350px) {
    .download-area {
        text-align: center;
        padding-top: 15px;
        padding-bottom: 15px;
    }
}
@media screen and (max-width: 1250px) {
    .bak-1, .bak-2, .bak-3 {
        background-size: 100%;
        height: 0;
    }

    .bak-1 {
        min-width: 900px;
        width: 100%;
        padding-bottom: 58.64583%;
    }

    .bak-2 {
        min-width: 900px;
        width: 100%;
        padding-bottom: 44.479167%;
    }

    .bak-3 {
        min-width: 900px;
        width: 100%;
        padding-bottom: 20%;
        min-height: 664px;
    }

    .download-area {
        text-align: center;
        padding-top: 15px;
        padding-bottom: 15px;
    }

    .download-ori {
        margin: 0 10px;
        max-height: 40px;
    }

    .logo-gif {
        top: 20%;
        left: 13%;
        width: 45%;
    }

    .top-right-icons {
        top: 24px;
        right: 15%;
        left: auto;
    }

    .bak-1 .ab-a {
        cursor: pointer;
    }

    .facebook-a {
        left: auto;
        top: 26px;
        width: 48px;
        height: 48px;
    }

    .twitter-a {
        left: auto;
        top: 26px;
        width: 48px;
        height: 48px;
    }

    .mail-a {
        left: auto;
        top: 26px;
        width: 48px;
        height: 48px;
    }

    .bak-3-offset {
        padding-top: 60px;
    }

    .intro {
        width: 48.08%;
        margin: 0 auto;
        padding-bottom: 25px;
    }

    .intro-1, .intro-2, .intro-3 {
        color: #e6e6e6;
        font-size: 15px;
        line-height: 30px;
    }

    .intro p {
        text-align: justify;
    }

    .award {
        text-align: center;
    }

    .award img {
        max-width: 120%;
        margin-left: -10%;
    }

    .intro-title-outer img {
        margin-left: -10px;
        height: 30px;
    }

    .intro-3 p:not(:last-child) {
        padding-bottom: 20px;
    }

    .intro-3 .reviewer {
        color: rgb(217, 176, 107);
        font-style: italic;
        font-weight: bold;
        display: block;
    }
}

.back-to-top{
    cursor: pointer;
    position: fixed;
    bottom: 10%;
    right: 16%;
    height: 45px;
    width: 45px;
    background: url(./img2/top.png) 100% 100%;
    display: none;
}