.index-service-box{
    width: 100%;
    display: block;
    position: relative;
    font-size: 0;
    margin-bottom: 80px;
    z-index: 2;
}
.index-service{
    display: block;
    width: 1560px;
    max-width: 100%;
    margin: 0 auto;
    box-sizing: border-box;
}
.index-service-top-bc{
    width: 81.25%;
    height: 800px;
    position: absolute;
    right: 0;
    top: 0;
    background-color: #f5f5f5;
    box-sizing: border-box;
    padding: 55px 0;
}
.index-service-top-line{
    width: 100%;
    height: 2px;
    display: block;
    background-color: #64bcc1;
    position: absolute;
    top: 0;
    left: 0;
}
.index-service-top{
    width: 180px;
    display: inline-block;
    vertical-align: top;
    box-sizing: border-box;
    margin-left: 85px;
    position: relative;
    z-index: 5;
}
.index-service-title-box{
    margin-bottom: 20px;
}
.index-service-title{
    font-size: 28px;
    font-weight: bold;
    transform: skewX(-10deg);
    letter-spacing: 5px;
    color: #333;
}
.index-service-more-box{
    display: block;
    box-sizing: border-box;
    padding: 8px 0;
    border-bottom: 1px solid #d1d1d1;
}
.index-service-more{
    width: calc(100% - 14px);
    display: inline-block;
    vertical-align: middle;
    font-size: 14px;
    color: #555;
    letter-spacing: 4px;
    transition: all .3s linear; 
}
.index-service-more-arrow{
    display: inline-block;
    vertical-align: middle;
    font-size: 14px;
    color: #555;
    font-weight: lighter;
    transition: all .3s linear; 
}
.index-service-bottom{
    display: block;
    position: relative;
    padding-top: 270px;
    padding-bottom: 70px;
    box-sizing: border-box;
}
.index-service-img-box{
    width: 370px;
    height: 100%;
    display: inline-block;
    vertical-align: middle;
    text-align: right;
    position: relative;
    margin-left: 25px;
    z-index: 2;
    overflow: hidden;
}
.index-service-img{
    width: 320px;
    height: 460px;
    display: inline-block;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    position: relative;
    transition: all .3s linear;
}
.index-service-text-box{
    width: 300px;
    position: absolute;
    bottom: 75px;
    left: -50px;
    background-color: #61942d;
    text-align: center;
    transition: all .3s linear;
}
.index-service-text{
    font-size: 14px;
    color: #fff;
    line-height: 60px;
    letter-spacing: 1px;
}
.index-service-img-box:nth-child(1){
    margin-left: 0;
}
.index-service-img-box:nth-child(2){
    top: -50px;
}
.index-service-img-box:nth-child(3){
    top: -100px;
}
.index-service-img-box:nth-child(4){
    top: -150px;
}
.index-service-bc{
    display: block;
    position: absolute;
    bottom: 10px;
    left: 0;
    opacity: 0.1;
}

/*----------hover----------*/
.index-service-more-box:hover .index-service-more{
    color: #61942d;
}
.index-service-more-box:hover .index-service-more-arrow{
    color: #61942d;
    animation: arrow_rtol .8s ease infinite alternate;
}
.index-service-img-box:hover .index-service-text-box{
    bottom: 0;
    left: 0;
    width: 100%;
}
@keyframes arrow_rtol {
    0%{
        transform: translateX(0);
    }
    to {
        transform: translateX(5px);
    }
}







@media only screen and (max-width: 1560px){
    .index-service{
        width: 1380px;
    }
    .index-service-img-box{
        width: 326.25px;
    }
    .index-service-img{
        width: 276.25px;
        height: 397px;
    }
}
@media only screen and (max-width: 1380px){
    .index-service{
        width: 1200px;
    }
    .index-service-img-box{
        width: 281.25px;
    }
    .index-service-img{
        width: 231.25px;
        height: 333px;
    }
    .index-service-text-box{
        width: 250px;
    }
    .index-service-text{
        line-height: 40px;
        font-size: 12px;
    }
    .index-service-top-bc{
        width: 90%;
        height: 680px;
    }
}
@media only screen and (max-width: 1200px){
    .index-service{
        width: 1000px;
    }
    .index-service-img-box{
        width: 235px;
        margin-left: 20px;
    }
    .index-service-img{
        width: 205px;
        height: 295px;
    }
    .index-service-text-box{
        width: 230px;
        left: -30px;
        bottom: 25px;
    }
    .index-service-text{
        line-height: 30px;
        font-size: 12px;
    }
    .index-service-top-bc{
        width: 90%;
        height: 680px;
    }
    .index-service-bottom{
        padding-top: 300px;
    }
}
@media only screen and (max-width: 1000px){
    .index-service{
        width: 750px;
        padding-bottom: 40px;
    }
    .index-service-top-bc{
        width: 100%;
        position: static;
        height: initial;
        border-top: none;
    }
    .index-service-top-line{
        display: none;
    }
    .index-service-top{
        margin-left: 0;
    }
    .index-service-bottom{
        padding: 0;
    }
    .index-service-box{
        background-color: #f5f5f5;
        margin-bottom: 0;
    }
    .index-service-img-box{
        position: static;
    }
    .index-service-img-box{
        width: 365px;
        margin-left: 20px;
        margin-bottom: 20px;
    }
    .index-service-img{
        width: 335px;
        height: 482px;
    }
    .index-service-img-box:nth-child(2n + 1){
        margin-left: 0;
    }
    .index-service-text-box{
        width: 300px;
        bottom: 75px;
        left: -30px;
    }
    .index-service-text{
        font-size: 14px;
        line-height: 60px;
    }
    .index-service-bc{
        display: none;
    }
}
@media only screen and (max-width: 750px){
    .index-service{
        width: 550px;
        padding-bottom: 40px;
    }
    .index-service-img-box{
        width: inherit;
        margin-left: 20px;
        margin-bottom: 20px;
    }
    .index-service-img{
        width: 265px;
        height: 381px;
    }
    .index-service-text-box{
        width: 100%;
        position: relative;
        bottom: initial;
        left: initial;
    }
    .index-service-text{
        font-size: 14px;
        line-height: 40px;
    }
}
@media only screen and (max-width: 550px){
    .index-service{
        width: 400px;
        padding-bottom: 0px;
    }
    .index-service-title-box{
        margin-bottom: 10px;
    }
    .index-service-title{
        font-size: 22px;
    }
    .index-service-more-box{
        padding: 5px 0;
        width: 130px;
    }
    .index-service-top-bc{
        padding: 20px 0;
    }
    .index-service-img{
        width: 100%;
        height: 575px;
    }
    .index-service-img-box{
        width: 100%;
        margin: 0;
        margin-bottom: 20px;
    }
}
@media only screen and (max-width: 400px){
    .index-service{
        width: 300px;
    }
    .index-service-img{
        height: 431.25px;
    }
}


/*animation*/
/*<-------------動畫------------->*/

@media only screen and (min-width: 1001px){
    .index-service-title,
    .index-service-more-box,
    .index-service-top-line,
    .index-service-img-box{
        opacity: 0;
    }
    .index-service-title.active{
        animation: animation_ltor_skewX 1s ease both;
    }
    .index-service-more-box.active{
        animation: animation_ltor 1s ease both;
    }
    .index-service-top-line.active{
        animation: animation_widthtoall 2s ease both;
    }
    .index-service-img-box.active{
        animation: animation_btot 1s ease both;
    }
}