.index-about-box{
    width: 100%;
    display: block;
    position: relative;
    box-sizing: border-box;
    padding-top: 100px;
}
.index-about-all-box{
    width: 100%;
    display: block;
    margin: 0 auto;
    position: relative;
    font-size: 0;
    box-sizing: border-box;
    padding: 60px 0;
}
.index-about-title-box{
    display: block;
    box-sizing: border-box;
    text-align: center;
}
.index-about-title-en{
    font-size: 48px;
    font-weight: 900;
    font-family: "Arial";
    color: #000;
}
.index-about-title{
    font-size: 60px;
    font-weight: 700;
    color: #000;
    letter-spacing: 1px;
    line-height: 1;
}
.index-about-info-box{
    width: 1500px;
    max-width: 100%;
    margin: 0 auto;
    text-align: center;
    margin-top: 60px;
    display: grid;
    grid-template-columns: repeat(3 ,1fr);
    justify-content: space-between;
}
.index-about-info{
    display: inline-block;
    vertical-align: top;
    cursor: pointer;
    box-sizing: border-box;
    border-left: 2px solid #000;
    position: relative;
}
.index-about-info:first-child{
    border-left: none;
}
.index-about-info-text{
    display: inline-block;
    font-size: 48px;
    font-weight: 700;
    line-height: 60px;
    color: #000;
    letter-spacing: 1px;
    position: relative;
}
.index-about-info-text>span{
    position: relative;
    z-index: 1;
}
.index-about-info-text::after{
    content: '';
    width: 0%;
    height: 50%;
    background-color: #ffd200;
    display: block;
    position: absolute;
    bottom: 0;
    left: -10px;
    transition: all .3s linear;
}
.index-about-info.active .index-about-info-text::after{
    width: calc(100% + 10px);
}

.index-about-down-box{
    width: 100%;
    display: block;
    position: relative;
}
.index-about-down-all-box{
    width: 100%;
    display: block;
    margin: 0 auto;
    margin-top: 60px;
    position: relative;
    font-size: 0;
}
.index-about-down-all-box.active{
    display: block;
}
.index-about-down-left-box{
    width: 760px;
    max-width: 100%;
    display: inline-block;
    vertical-align: top;
}
.index-about-down-img>span{
    width: 100%;
    height: 100%;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    display: block;
    position: relative;
}
.index-about-down-img>span::after{
    content: '';
    width: 100%;
    height: 100%;
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    background-color: rgba(0, 0, 0, 0.35);
    z-index: 2;
}
.index-about-down-left-t{
    width: 100%;
    height: 230px;
}
.index-about-down-left-l{
    width: 50%;
    height: 260px;
    display: inline-block;
    vertical-align: middle;
}
.index-about-down-left-r{
    width: 50%;
    height: 260px;
    display: inline-block;
    vertical-align: middle;
}
.index-about-down-right-box{
    width: calc(100% - 760px);
    max-width: 100%;
    display: inline-block;
    vertical-align: top;
    position: relative;
    background-color: #ffd200;
}
.index-about-down-right-img-box{
    width: 580px;
    height: 520px;
    display: inline-block;
    vertical-align: top;
    position: relative;
}
.index-about-down-right-r{
    width: calc(100% - 580px);
    display: inline-block;
    vertical-align: top;
    position: relative;
    z-index: 3;
    left: -1px;
}
.index-about-down-right-r p{
    font-size: 24px;
    font-family: "Arial";
    font-weight: 700;
    color: #fff;
    line-height: 18px;
    letter-spacing: 2px;
}
.index-about-down-right-r span{
    font-size: 36px;
    font-family: "Arial";
    font-weight: 700;
    color: #ffd200;
    line-height: 27px;
    letter-spacing: 3px;
    position: absolute;
    right: 0;
    top: -26px;
}
.index-about-down-text-box{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    display: flex;
    display: -webkit-flex;
    align-items: center;
    -webkit-align-items: center;
    justify-content: center;
    -webkit-justify-content: center;
    flex-direction: column;
}
.index-about-down-text-block{
    width: 540px;
    height: 330px;
    display: block;
    background-color: rgba(255,255,255,0.8);
    box-sizing: border-box;
    padding: 25px 30px;
    position: relative;
}
.index-about-down-text-block-ch{
    font-size: 40px;
    font-weight: 700;
    color: #000;
    line-height: 1;
    position: relative;
    z-index: 4;
}
.index-about-down-text-block-en{
    font-size: 30px;
    font-family: "Arial";
    font-weight: 700;
    color: #000;
    margin-top: 8px;
    position: relative;
    z-index: 4;
}
.index-about-down-number-box{
    position: absolute;
    right: 30px;
    bottom: 0;
    z-index: 4;
}
.index-about-down-number{
    font-size: 120px;
    font-weight: 700;
    color: #000;
    line-height: 1;
    box-sizing: border-box;
}
.index-about-down-number-name{
    font-size: 30px;
    font-weight: 700;
    color: #000;
    text-align: right;
}







@media only screen and (max-width: 1500px){
    .index-about-info-box{
        width: 1000px;
    }
    .index-about-title{
        font-size: 46px;
    }
    .index-about-down-left-box{
        width: 510px;
    }
    .index-about-down-left-l,
    .index-about-down-left-r{
        height: calc((260 / 380) * 255px);
    }
    .index-about-down-right-box{
        width: calc(100% - 510px);
    }
    .index-about-down-right-img-box{
        width: calc((580 / 520) * ((260 / 380) * 255px * 2));
        height: calc((260 / 380) * 255px * 2);
    }
    .index-about-down-text-block{
        width: 340px;
        height: 240px;
        padding: 20px 25px;
    }
    .index-about-down-text-block-ch{
        font-size: 40px;
    }
    .index-about-down-text-block-en{
        font-size: 24px;
    }
    .index-about-down-number{
        font-size: 90px;
    }
    .index-about-down-number-name{
        font-size: 24px;
    }
}
@media only screen and (max-width: 1000px){
    .index-about-all-box{
        padding: 40px 0;
    }
    .index-about-title{
        font-size: 30px;
    }
    .index-about-down-left-box{
        width: 360px;
    }
    .index-about-down-left-l,
    .index-about-down-left-r{
        height: calc((260 / 380) * 180px);
    }
    .index-about-down-right-box{
        width: calc(100% - 360px);
    }
    .index-about-down-right-img-box{
        width: calc((580 / 520) * ((260 / 380) * 180px * 2));
        height: calc((260 / 380) * 180px * 2);
    }
    .index-about-down-text-block{
        width: 240px;
        height: 160px;
        padding: 15px 20px;
    }
    .index-about-down-text-block-ch{
        font-size: 28px;
    }
    .index-about-down-text-block-en{
        font-size: 20px;
        margin-top: 0px;
    }
    .index-about-down-number{
        font-size: 60px;
    }
    .index-about-down-number-name{
        font-size: 20px;
    }
    .index-about-info-box{
        width: 750px;
        margin-top: 40px;
    }
    .index-about-info-text{
        font-size: 30px;
        line-height: 40px;
    }
}
@media only screen and (max-width: 768px){
    .index-about-all-box{
        padding: 30px 0;
    }
    .index-about-info-box{
        width: 550px;
        margin-top: 30px;
    }
    .index-about-info-text{
        font-size: 20px;
        line-height: 30px;
    }
    .index-about-title{
        font-size: 24px;
    }
    .index-about-down-left-box{
        width: 100%;
    }
    .index-about-down-left-l,
    .index-about-down-left-r{
        height: calc((260 / 380) * 50vw);
    }
    .index-about-down-right-box{
        width: calc(100%);
    }
    .index-about-down-right-img-box{
        width: calc((580 / 520) * ((260 / 380) * 100vw));
        height: calc((260 / 380) * 100vw);
    }
    .index-about-info.active .index-about-info-text::after{
        width: calc(100% + 5px);
        left: -5px;
    }
}
@media only screen and (max-width: 550px){
    .index-about-all-box{
        padding: 20px 0;
    }
    .index-about-info-box{
        width: calc(100% - 40px);
        margin-top: 30px;
    }
    .index-about-info-text{
        font-size: 16px;
        line-height: 20px;
    }
    .index-about-info{
        border-left-width: 1px;
    }
    .index-about-title{
        font-size: 20px;
    }
    .index-about-down-left-box{
        width: 100%;
    }
    .index-about-down-left-l,
    .index-about-down-left-r{
        height: calc((260 / 380) * 50vw);
    }
    .index-about-down-right-box{
        width: calc(100%);
    }
    .index-about-down-right-img-box{
        width: calc((580 / 520) * ((260 / 380) * 100vw));
        height: calc((260 / 380) * 100vw);
    }
    .index-about-down-text-block{
        width: 220px;
        height: 120px;
        padding: 10px;
    }
    .index-about-down-text-block-ch{
        font-size: 22px;
    }
    .index-about-down-text-block-en{
        font-size: 16px;
    }
    .index-about-down-number-box{
        right: 10px;
    }
    .index-about-down-number{
        font-size: 30px;
    }
    .index-about-down-number-name{
        font-size: 16px;
    }
    .index-about-info.active .index-about-info-text::after{
        width: calc(100% + 3px);
        left: -3px;
    }
}
@media only screen and (max-width: 400px){
    .index-about-info-box{
        grid-template-columns: repeat(3, auto);
        justify-content: center;
        align-items: center;
        width: calc(100% - 20px);
    }
    .index-about-info{
        text-align: center;
        min-width: min-content;
        box-sizing: border-box; 
        padding: 0 5px;
    }
    .index-about-info-text{
        font-size: 14px;
    }
}


















/*寬填滿*/
@-webkit-keyframes widthFull {
    from {
        opacity: 0;
        transform: scaleY(0);
    }
  
    to {
        opacity: 1;
        transform: scaleY(1);
    }
}
  
  @keyframes widthFull {
    from {
        opacity: 0;
        transform: scaleY(0);
    }
  
    to {
        opacity: 1;
        transform: scaleY(1);
    }
}
/*高填滿*/
@-webkit-keyframes heightFull {
    from {
        opacity: 0;
        height: 0%;
    }
  
    to {
        opacity: 1;
    }
}
  
  @keyframes heightFull {
    from {
        opacity: 0;
        height: 0%;
    }
  
    to {
        opacity: 1;
    }
}
/*漂浮1*/
@-webkit-keyframes FloatingTop {
    from {
        -webkit-transform: translate3d(0%, 0%, 0);
        transform: translate3d(0%, 0%, 0);
    }
    25% {
        -webkit-transform: translate3d(2%, -10%, 0);
        transform: translate3d(2%, -10%, 0);
    }
    50% {
        -webkit-transform: translate3d(0%, -30%, 0);
        transform: translate3d(0%, -30%, 0);
    }
    75% {
        -webkit-transform: translate3d(2%, -10%, 0);
        transform: translate3d(2%, -10%, 0);
    }
    to {
        -webkit-transform: translate3d(0, 0%, 0);
        transform: translate3d(0, 0%, 0);
    }
}
@keyframes FloatingTop {
    from {
        -webkit-transform: translate3d(0%, 0%, 0);
        transform: translate3d(0%, 0%, 0);
    }
    25% {
        -webkit-transform: translate3d(2%, -10%, 0);
        transform: translate3d(2%, -10%, 0);
    }
    50% {
        -webkit-transform: translate3d(0%, -30%, 0);
        transform: translate3d(0%, -30%, 0);
    }
    75% {
        -webkit-transform: translate3d(2%, -10%, 0);
        transform: translate3d(2%, -10%, 0);
    }
    to {
        -webkit-transform: translate3d(0, 0%, 0);
        transform: translate3d(0, 0%, 0);
    }
}
/*漂浮2*/
@-webkit-keyframes FloatingDown {
    from {
        -webkit-transform: translate3d(0%, 0%, 0);
        transform: translate3d(0%, 0%, 0);
    }
    25% {
        -webkit-transform: translate3d(-2%, -10%, 0);
        transform: translate3d(-2%, -10%, 0);
    }
    50% {
        -webkit-transform: translate3d(0%, -30%, 0);
        transform: translate3d(0%, -30%, 0);
    }
    75% {
        -webkit-transform: translate3d(-2%, -10%, 0);
        transform: translate3d(-2%, -10%, 0);
    }
    to {
        -webkit-transform: translate3d(0, 0%, 0);
        transform: translate3d(0, 0%, 0);
    }
}
  
  @keyframes FloatingDown {
    from {
        -webkit-transform: translate3d(0%, 0%, 0);
        transform: translate3d(0%, 0%, 0);
    }
    25% {
        -webkit-transform: translate3d(-2%, -10%, 0);
        transform: translate3d(-2%, -10%, 0);
    }
    50% {
        -webkit-transform: translate3d(0%, -30%, 0);
        transform: translate3d(0%, -30%, 0);
    }
    75% {
        -webkit-transform: translate3d(-2%, -10%, 0);
        transform: translate3d(-2%, -10%, 0);
    }
    to {
        -webkit-transform: translate3d(0, 0%, 0);
        transform: translate3d(0, 0%, 0);
    }
}


@media only screen and (min-width: 1000px){
    .index-about-title-box,
    .index-about-title-en,
    .index-about-title,
    .index-about-info-img,
    .index-about-info-text,
    .index-about-info-btn-box,
    .index-about-down-right-r,
    .index-about-down-left-t,
    .index-about-down-left-l,
    .index-about-down-left-r,
    .index-about-down-right-img-box,
    .index-about-down-text-box,
    .index-about-down-text-block-ch,
    .index-about-down-number-box{
        opacity: 0;
    }
    .index-about-box.anima .index-about-title-box{
        animation: fadeInUp 1s ease 0s 1 both;
    }
    .index-about-box.anima .index-about-title-en{
        animation: fadeInUp 1s ease 0.4s 1 both;
    }
    .index-about-box.anima .index-about-title{
        animation: fadeInUp 1s ease 0.2s 1 both;
    }
    .index-about-box.anima .index-about-info{
        animation: fadeInLeft 1s ease 0s 1 both;
    }
    .index-about-box.anima .index-about-info:nth-child(1) .index-about-info-img{
        animation: fadeInLeft 1s ease 0s 1 both;
    }
    .index-about-box.anima .index-about-info:nth-child(1) .index-about-info-text{
        animation: fade 1s ease 0.2s 1 both;
    }
    .index-about-box.anima .index-about-info:nth-child(2) .index-about-info-img{
        animation: fadeInLeft 1s ease 0.2s 1 both;
    }
    .index-about-box.anima .index-about-info:nth-child(2) .index-about-info-text{
        animation: fade 1s ease 0.4s 1 both;
    }
    .index-about-box.anima .index-about-info:nth-child(3) .index-about-info-img{
        animation: fadeInLeft 1s ease 0.4s 1 both;
    }
    .index-about-box.anima .index-about-info:nth-child(3) .index-about-info-text{
        animation: fade 1s ease 0.6s 1 both;
    }
    .index-about-box.anima .index-about-info-btn-box{
        animation: InLeft 1s ease 0s 1 both;
    }
    .index-about-down-box.anima .index-about-down-left-t{
        animation: fadeInRight 1s ease 0s 1 both;
    }
    .index-about-down-box.anima .index-about-down-left-l{
        animation: fadeInRight 1s ease 0.1s 1 both;
    }
    .index-about-down-box.anima .index-about-down-left-r{
        animation: fadeInRight 1s ease 0.2s 1 both;
    }
    .index-about-down-box.anima .index-about-down-right-img-box{
        animation: fadeInRight 1s ease 0.3s 1 both;
    }
    .index-about-down-box.anima .index-about-down-right-r{
        animation: fadeInLeft 1s ease 0.5s 1 both;
    }
    .index-about-down-box.anima .index-about-down-right-r span{
        animation: fadeInDown 1s linear 0.8s 1 both;
    }
    .index-about-down-box.anima .index-about-down-text-box{
        animation: fade 1s ease 0.6s 1 both;
    }
    .index-about-down-box.anima .index-about-down-text-block::before{
        animation: heightFull 1s ease 0.7s 1 both;
    }
    .index-about-down-box.anima .index-about-down-text-block-ch,
    .index-about-down-box.anima .index-about-down-text-block-en{
        animation: fade 1s ease 0.8s 1 both;
        z-index: 4;
    }
    .index-about-down-box.anima .index-about-down-number-box{
        animation: fadeInRight 1s ease 0.9s 1 both;
    }
}