.wrapper {
    padding-top: 0px;
}
.site-header {
    background: transparent;
}
.top-nav {
    right: 15px;
    top: 30px;
}
.site-title {
    padding: 40px 0 20px;
}
.site-title .logo {
    background: url('../../images/common/logo.svg') 50% 50% no-repeat;
    background-size: contain;
    width: 236px;
    height: 96px;
    transition: all .5s;
}
.main-top{
    display: none;
}
.content-top{
    display: none;
}
.site-nav .menu>li>a {
    color: #FFFFFF;
}
.site-header .search-box .form-control {
    border-bottom: 1px solid rgba(214, 214, 214, .5);
    color: rgba(255, 255, 255, .5);
}
.site-header .search-box .form-control:focus {
    border-bottom-color: #aaa;
}
.site-header .search-box ::-webkit-input-placeholder {
    color: rgba(255, 255, 255, .5);
    opacity: 0.8;
}
.site-header .search-box ::-moz-placeholder {
    color: rgba(255, 255, 255, .5);
    opacity: 0.8;
}
.site-header .search-box :-ms-input-placeholder {
    color: rgba(255, 255, 255, .5);
    opacity: 0.8;
}
.site-header .search-box :-moz-placeholder {
    color: rgba(255, 255, 255, .5);
    opacity: 0.8;
}
.site-header .search-box .ibtn.search {
    background-color: rgba(255, 255, 255, .5);
    mask: url('../../images/common/btn_search.svg') no-repeat center / contain;
    transition: background-color .3s ease;
}
.site-header .search-box:hover .ibtn.search {
    background-color: #F5DF4D;
}

.main-content .container {
    padding: 0 0px;
    max-width: inherit;
}
.main-content{
    padding: 0 0 0px;
}
/*------------ about3 ------------*/
.a3_layout{
    position: relative;
    box-sizing: border-box;
}
.a3_layout .container {
    padding: 0 15px;
    max-width: 1470px;
}

.a3_tit {
    position: relative;
    display: block;
    text-align: center;
    margin: 0 0 30px;
}
.a3_tit span {
    position: relative;
    display: block;
    box-sizing: border-box;
    font-size: 55px;
    font-weight: 300;
    color: #505050;
    letter-spacing: 0.02em;
    line-height: 1.2;
    font-family: "Poppins", sans-serif;
    margin-bottom: 15px;
}
.a3_tit span b {
    font-weight: 600;
    color: #F2DF4C;
}
.a3_tit h2 {
    position: relative;
    box-sizing: border-box;
    display: block;
    font-size: 30px;
    font-weight: 500;
    color: #545454;
    letter-spacing: 0.15em;
    line-height: 1.2;
    margin: 0;
}


/* ----- .a3_sect ----- */
.a3_layout .a3_sect_1{
    position: sticky;
    box-sizing: border-box;
    padding: 300px 0 145px;
    z-index: 1;
}
.a3_layout .a3_sect_1 .a3_tit span{
    line-height: 1.04;
}
.a3_layout .a3_sect_1::before{
    content: '';
    position: absolute;
    display: block;
    left: 0;
    top: 0;
    bottom: 0;
    right: 0;
    background: url('../../images/common/about/banner.webp') 50% no-repeat;
    background-attachment: fixed;
    background-size: cover;
}
.a3_layout .a3_sect_1 .container {
    padding: 0 15px;
    max-width: 1280px;
}
.a3_layout .a3_sect_1 .a3_tit span{
    position: relative;
    display: block;
    margin-bottom: 45px;
}
.a3_layout .a3_sect_1 .a3_tit span::before {
    content: '';
    position: absolute;
    width: 50px;
    height: 3px;
    background: #F4DF4C;
    left: 0;
    right: 0;
    top: calc(100% + 15px);
    margin: 0 auto;
}
.a3_layout .a3_sect_1 .a3_tit span,
.a3_layout .a3_sect_1 .a3_tit h2{
    color: #FFFFFF;
}

.a3_sect_1 .a3_topt{
    position: relative;
    box-sizing: border-box;
    margin-bottom: 100px;
}
.a3_layout .a3_txt{
    position: relative;
    font-family: "Noto Sans TC", sans-serif;
    color: #FFFFFF;
    font-size: 16px;
    font-weight: normal;
    letter-spacing: 0.15em;
    line-height: 2;
    text-align: left;
}
.a3_sect_1 .a3_topt .a3_txt{
    text-align: center;
}
.a3_layout .a3_sect_1 .a3_row{
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.a3_sect_1 .a3_row .a3_pic{
    position: relative;
    width:49.6%;
    max-width: 620px;
}
.a3_sect_1 .a3_row .a3_txt{
    position: relative;
    width: 50.4%;
    max-width: 550px;
}
.a3_layout .a3_sect_1 .container > .a3_row:nth-child(2) {
    margin-bottom: 110px;
}
.a3_layout .a3_sect_1 .container > .a3_row:nth-child(3) {
    flex-direction: row-reverse;
    align-items: stretch;
}
.a3_layout .a3_sect_1 .container > .a3_row:nth-child(3) .a3_txt{
    box-sizing: border-box;
    padding-top: 30px;
    padding-left: 55px;
}
.a3_layout .a3_sect_1 .container > .a3_row:nth-child(4){
    margin-top: -134px;
}
.a3_layout .a3_sect_1 .container > .a3_row:nth-child(4) > .a3_pic{
    width: 30.3%;
    left: 55px;
}
/*----*/
.a3_layout .a3_sect_2{
    position: relative;
    box-sizing: border-box;
    padding: 84px 0 0px;
    z-index: 2;
    overflow: hidden;
}
.a3_layout .a3_sect_2 .a3_deco {
    position: absolute;
    display: block;
    width: fit-content;
    left: 0;
    right: 0;
    top: -13%;
    margin: 0 auto;
    z-index: -1;
}
.a3_layout .a3_sect_2 .a3_topt{
    position: relative;
    box-sizing: border-box;
    margin-bottom: 55px;
}
.a3_layout .a3_sect_2 .a3_topt .a3_tit {
    margin: 0 0 58px;
}
.a3_layout .a3_sect_2 .a3_tit::before {
    content: '';
    position: absolute;
    width: 50px;
    height: 3px;
    background: #F4DF4C;
    left: 0;
    right: 0;
    top: calc(100% + 25px);
    margin: 0 auto;
}
.a3_layout .a3_sect_2 .a3_topt .a3_slogan{
    font-family: "Noto Sans TC", sans-serif;
    color: #545454;
    text-align: center;
    font-size: 20px;
    font-weight: normal;
    letter-spacing: 0.6em;
    line-height: 1.2;
    width: fit-content;
    margin: 0 auto;
}
.a3_layout .a3_sect_2 .a3_item{
    position: relative;
    box-sizing: border-box;
    display: flex;
    background: #FFFFFF;
    padding: 80px 0 65px;
}
.a3_layout .a3_sect_2 .a3_item::before{
    content: '';
    position: absolute;
    display: block;
    top: 0;
    bottom: 0;
    left: -11.5%;
    right: -11.5%;
    background: #FFFFFF;
    z-index: -1;
}
.a3_layout .a3_sect_2 .a3_item .a3_box{
    position: relative;
    box-sizing: border-box;
    width: 33.33%;
    max-width: 480px;
    padding: 0 35px;
}
.a3_layout .a3_sect_2 .a3_item .a3_box+.a3_box::before{
    content: '';
    position: absolute;
    display: block;
    width: 1px;
    height: 100%;
    left: 0;
    top: 0;
    background: #DDDDDD;
}
.a3_layout .a3_sect_2 .a3_item .a3_box{
    position: relative;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.a3_layout .a3_sect_2 .a3_item .a3_box .a3_icon{
    position: relative;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 250px;
    height: 250px;
    border: 10px solid rgba(214,214,214,.5);
    border-radius: 100%;
    margin-bottom: 15px;
}
.a3_layout .a3_sect_2 .a3_item .a3_box .a3_icon::before{
    content: '';
    position: absolute;
    display: block;
    width: 40px;
    height: 40px;
    background: #F4DF4C;
    border-radius: 100%;
    top: 5px;
    left: 15px;
}
.a3_layout .a3_sect_2 .a3_item .a3_box .a3_icon img{
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 5px;
}
.a3_layout .a3_sect_2 .a3_item .a3_box .a3_icon h3{
    position: relative;
    font-size: 24px;
    color: #444444;
    font-weight: bold;
    letter-spacing: 0.15em;
    line-height: 1.2;
    bottom: 0;
    left: 0;
    right: 0;
    margin: 0 auto 35px;
    text-align: center;
}
.a3_layout .a3_sect_2 .a3_item .a3_box .a3_icon h3::before {
    content: '';
    position: absolute;
    width: 50px;
    height: 3px;
    background: #F4DF4C;
    left: 0;
    right: 0;
    top: calc(100% + 18px);
    margin: 0 auto;
}
.a3_layout .a3_sect_2 .a3_item .a3_box .a3_t{
    text-align: center;
    color: #555555;
    font-size: 15px;
    letter-spacing: 0.05em;
    line-height: 1.8;
    font-weight: normal;
    margin-bottom: 65px;
}
/*----*/
.a3_layout .a3_sect_3{
    position: relative;
    box-sizing: border-box;
    padding: 365px 0 120px;
    z-index: 1;
    background: #F4DF4C;
    margin-top: -260px;
}
.a3_layout .a3_sect_3 .a3_tit{
    text-align: left;
}
.a3_layout .a3_sect_3 .a3_tit span b {
    font-weight: 600;
    color: #FFFFFF;
}
.a3_layout .a3_sect_3 .container{
    position: relative;
    display: flex;
    align-items: center;
}
.a3_layout .a3_sect_3 .a3_topt{
    position: relative;
    width: 26%;
}
.a3_layout .a3_sect_3 .a3_topt .a3_tit span{
    position: relative;
    margin-bottom: 24px;
}
.a3_layout .a3_sect_3 .a3_topt .a3_tit h2{
    position: relative;
    box-sizing: border-box;
    text-align: left;
    line-height: 1.5;
    padding-left: 30px;
}
.a3_layout .a3_sect_3 .a3_topt .a3_tit h2::before{
    content: '';
    position: absolute;
    display: block;
    background: #FFFFFF;
    width: 3px;
    height: 100%;
    top: 0;
    left: 3px;
}
.a3_layout .a3_sect_3 .a3_step{
    position: relative;
    display: flex;
    width: 74%;
}
.a3_layout .a3_sect_3 .a3_step .a3_col{
    position: relative;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    width: calc(100% / 3 );
    height: 180px;
    justify-content: center;
    margin-bottom: 30px;
    padding-top: 70px;
    padding-right: 10%;
}
.a3_layout .a3_sect_3 .a3_step .a3_col span{
    position: absolute;
    font-size: 250px;
    font-weight: bold;
    letter-spacing: normal;
    line-height: 0.8;
    font-family: "Poppins", sans-serif;
    color: transparent;
    -webkit-text-stroke: 1px #fff;
    z-index: -1;
    top: 0;
    bottom: 0;
    left: 0;
    margin: auto 0;
}
.a3_layout .a3_sect_3 .a3_step .a3_col ul{
    width: fit-content;
    list-style-type: none;
    text-align: right;
    margin: 0;
    padding: 0;
    margin-left: auto;
}
.a3_layout .a3_sect_3 .a3_step .a3_col ul > h3{
    color: #444444;
    font-size: 24px;
    font-weight: bold;
    letter-spacing: 0.1em;
    line-height: 1.2;
    margin: 0 0 10px;
    padding: 0;
}
.a3_layout .a3_sect_3 .a3_step .a3_col ul li{
    position: relative;
    width: fit-content;
    color: #545454;
    font-size: 20px;
    font-weight: normal;
    letter-spacing: 0.15em;
    line-height: 1.8;
    margin: 0;
    padding: 0;
    margin-left: 15px;
}
.a3_layout .a3_sect_3 .a3_step .a3_col ul li::before{
    content: '';
    position: absolute;
    display: block;
    width: 6px;
    height: 6px;
    background:#545454;
    border-radius: 100%;
    top: 0;
    bottom: 0;
    left: -15px;
    margin: auto 0;
}
/*----*/
.a3_layout  .a3_sect_4{
    position: relative;
    padding: 85px 0 100px;
}
.a3_layout  .a3_sect_4::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-repeat: no-repeat;
    pointer-events: none;
    background-image: linear-gradient(to bottom, #EBEBEB 0, #EBEBEB 100%), linear-gradient(to bottom, #EBEBEB 0, #EBEBEB 100%), linear-gradient(to bottom, #EBEBEB 0, #EBEBEB 100%), linear-gradient(to bottom, #EBEBEB 0, #EBEBEB 100%);
    background-position: 20% 0, 40% 0, 60% 0, 80% 0;
    background-size: 1px 100%;
}
.a3_layout  .a3_sect_4 .container{
    padding: 0 15px;
    max-width: 1720px;
}
.a3_layout .a3_sect_4 .a3_tit{
    margin-bottom: 60px;
}
.a3_layout .a3_sect_4 .a3_tit span{
    margin-bottom: 0;
}
.a3_layout .a3_sect_4 .a3_tit::before {
    content: '';
    position: absolute;
    width: 50px;
    height: 3px;
    background: #F4DF4C;
    left: 0;
    right: 0;
    top: calc(100% + 15px);
    margin: 0 auto;
}
/* ----- .a3_sect ----- */
@media screen and (max-width: 1680px) {

}
@media screen and (max-width: 1440px) {
    .a3_layout .a3_sect_3 .a3_topt {
        width: 32%;
    }
    .a3_layout .a3_sect_3 .a3_step{
        width: 68%;
    }
    .a3_layout .a3_sect_3 .a3_step .a3_col{
        padding-right:4%;
    }
}
@media screen and (max-width: 1280px) {
}
@media screen and (max-width: 1000px) {
    .a3_layout .a3_sect_1 .a3_tit span,
    .a3_layout .a3_sect_2 .a3_tit span,
    .a3_layout .a3_sect_3 .a3_tit span,
    .a3_layout .a3_sect_4 .a3_tit span{
        font-size: 34px;
        margin-bottom: 10px;
    }
    .a3_layout .a3_sect_1 .a3_tit h2,
    .a3_layout .a3_sect_2 .a3_tit h2,
    .a3_layout .a3_sect_3 .a3_tit h2,
    .a3_layout .a3_sect_4 .a3_tit h2{
        font-size: 20px;
    }
    .a3_layout .a3_txt{
        font-size: 15px;
    }
    .a3_sect_1 .a3_topt .a3_txt br{
        display: none;
    }
    .a3_layout .a3_sect_1 {
        padding: 85px 0 85px;
    }
    .a3_layout .a3_sect_1::before{
        background-attachment:inherit;
    }
    .a3_layout .a3_sect_1 .a3_tit span{
        margin-bottom: 30px;
    }
    .a3_layout .a3_sect_1 .a3_tit span::before {
        width: 45px;
        height: 3px;
        top: calc(100% + 12px);
    }
    .a3_sect_1 .a3_topt{
        margin-bottom: 60px;
    }
    .a3_layout .a3_sect_1 .a3_row{
        flex-direction: column;
    }
    .a3_sect_1 .a3_row .a3_pic,
    .a3_sect_1 .a3_row .a3_txt{
        width: 100%;
        max-width: 620px;
        margin: 0 auto;
    }
    .a3_sect_1 .a3_row .a3_pic{
        margin-bottom: 24px;
    }
    .a3_layout .a3_sect_1 .container > .a3_row:nth-child(2) {
        margin-bottom: 40px;
    }
    .a3_layout .a3_sect_1 .container > .a3_row:nth-child(3){
        flex-direction: column;
    }
    .a3_layout .a3_sect_1 .container > .a3_row:nth-child(3) .a3_txt{
        padding: 0;
    }
    .a3_layout .a3_sect_1 .container > .a3_row:nth-child(4){
        margin: 0;
    }
    .a3_layout .a3_sect_1 .container > .a3_row:nth-child(4) > .a3_pic{
        display: none;
    }
    /*-----*/
    .a3_layout .a3_sect_2 {
        padding: 84px 0 0px;
    }
    .a3_layout .a3_sect_2 .a3_item {
        padding: 50px 0 40px;
        flex-direction: column;
    }
    .a3_layout .a3_sect_2 .a3_deco{
        left: 5%;
        right: 5%;
    }
    .a3_layout .a3_sect_2 .a3_topt .a3_tit {
        margin: 0 0 40px;
    }
    .a3_layout .a3_sect_2 .a3_tit::before{
        width: 45px;
        height: 3px;
        top: calc(100% + 15px);
    }
    .a3_layout .a3_sect_2 .a3_topt .a3_slogan{
        font-size: 18px;
    }
    .a3_layout .a3_sect_2 .a3_topt{
        margin-bottom: 35px;
    }
    .a3_layout .a3_sect_2 .a3_item .a3_box .a3_icon h3::before{
        width: 45px;
    }
    .a3_layout .a3_sect_2 .a3_item .a3_box{
        padding: 0 0px;
        width: 100%;
        max-width: inherit;
        margin-bottom: 40px;
    }
    .a3_layout .a3_sect_2 .a3_item .a3_box+.a3_box::before{
        display: none;
    }
    .a3_layout .a3_sect_2 .a3_item .a3_box .a3_icon{
        width: 220px;
        height: 220px;
        border: 8px solid rgba(214,214,214,.5);
    }
    .a3_layout .a3_sect_2 .a3_item .a3_box .a3_icon img{
        transform: scale(.8);
        margin-bottom: -5px;
    }
    .a3_layout .a3_sect_2 .a3_item .a3_box .a3_icon::before{
        width: 30px;
        height: 30px;
    }
    .a3_layout .a3_sect_2 .a3_item .a3_box .a3_icon h3{
        font-size: 22px;
    }
    .a3_layout .a3_sect_2 .a3_item .a3_box .a3_t{
        font-size: 14px;
        margin-bottom: 0px;
    }
    /*-----*/
    .a3_layout .a3_sect_3 {
        padding: 76px 0 48px;
        margin-top: 0px;
    }
    .a3_layout .a3_sect_3 .container {
        flex-direction: column;
    }
    .a3_layout .a3_sect_3 .a3_tit{
        text-align: center;
    }
    .a3_layout .a3_sect_3 .a3_tit::before {
        content: '';
        position: absolute;
        width: 45px;
        height: 3px;
        background: #FFFFFF;
        left: 0;
        right: 0;
        top: calc(100% + 12px);
        margin: 0 auto;
    }
    .a3_layout .a3_sect_3 .a3_topt .a3_tit h2{
        text-align: center;
        padding: 0;
    }
    .a3_layout .a3_sect_3 .a3_topt .a3_tit h2::before{
        display: none;
    }
    .a3_layout .a3_sect_3 .a3_topt .a3_tit span{
        margin-bottom: 10px;
    }
    .a3_layout .a3_sect_3 .a3_topt{
        width: 100%;
        margin-bottom: 30px;
    }
    .a3_layout .a3_sect_3 .a3_step{
        width: fit-content;
        flex-direction: column;
    }
    .a3_layout .a3_sect_3 .a3_step .a3_col {
        width: 100%;
        max-width: 320px;
        padding-right: 0;
        padding-top: 30px;
        height: fit-content;
        margin-bottom: 50px;
    }
    .a3_layout .a3_sect_3 .a3_step .a3_col ul > h3{
        font-size: 22px;
    }
    .a3_layout .a3_sect_3 .a3_step .a3_col ul li{
        font-size: 18px;
    }
    .a3_layout .a3_sect_3 .a3_step .a3_col ul li::before{
        width: 5px;
        height: 5px;
    }
    .a3_layout .a3_sect_3 .a3_step .a3_col span{
        font-size: 180px;
        width: 110px;
        text-align: center;
    }
    .a3_layout .a3_sect_3 .a3_step .a3_col ul{
        margin-left: inherit;
        margin-right: auto;
        margin-left: 120px;
    }
    /*-----*/
    .a3_layout .a3_sect_4 {
        padding: 70px 0 60px;
    }
    .a3_layout .a3_sect_4::before{
        background-position: 33.33% 0, 66.66% 0;
    }
    .a3_layout .a3_sect_4 .a3_tit::before{
        width: 45px;
    }
    .a3_layout .a3_sect_4 .a3_tit {
        margin-bottom: 45px;
    }
}
@media screen and (max-width: 767px) {

}
/*------------ /about3 ------------*/

@media screen and (max-width: 1000px) {
    .site-header {
        background: #FFFFFF;
    }
    .site-title {
        padding: 15px 0;
    }
    .site-title .logo {
        width: 150px;
        height: 60px;
        background: url(../../images/common/logo2.svg) 50% 50% no-repeat;
        background-size: contain;
    }
}