header{
    position: relative;
    z-index: 9999;
    background-color: #FFF;
}
.header-box{
    width: 1300px;
    max-width: 100%;
    display: block;
    margin: 0 auto;
    font-size: 0;
    position: relative;
}
.header-logo{
    display: inline-block;
    position: relative;
}
.header-logo-img{
    width: 67px;
    max-width: 100%;
    display: inline-block;
    vertical-align: middle;
}
.header-logo-img img{
    vertical-align: middle;
}

.header-logo span{
    display: inline-block;
    font-size: 24px;
    font-family: 'Noto Sans TC';
    position: relative;
    vertical-align: middle;
    margin-left: 5px;
}
.header-logo span:after{
    content: '';
    width: 25px;
    height: 2px;
    background-color: #de9700;
    display: block;
    position: absolute;
    bottom: 0;
    left: 0;
}
.header-menu-box{
    width: calc(100% - 200px);
    display: inline-block;
    vertical-align: middle;
    text-align: right;
}
.header-menu-box li{
    width: 120px;
    max-width: 100%;
    display: inline-block;
    height: auto;
}
.header-menu-box li a{
    width: 100%;
    height: auto;
    display: block;

    position: relative;
}
.header-menu-list-title{
    font-size: 18px;
    letter-spacing: 1px;
    padding: 25px 20px;
    position: relative;
    z-index: 1;
    background-color: #FFF;
}


/*banner*/
.banner-box{
    width: 100%;
    height: 500px;
    display: -webkit-flex;
    display:         flex;
    -webkit-align-items: center;
          align-items: center;
    -webkit-justify-content: center;
          justify-content: center;
    overflow: hidden;
    position: relative;
}

.banner-img{
    width: 100%;
    height: 550px;
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: top;
}

.banner-solgan-box{
    position: relative;
    z-index: 1;
}
.banner-solgan-box .title{
    text-align: center;
    font-size: 30px;
    font-weight: bold;
    letter-spacing: 1px;
    color: #FFF;
    padding-bottom: 20px;
    text-shadow: rgba(0,0,0,0.6) 2px 2px 2px;
}

.banner-solgan{
    font-size: 22px;
    display: block;
    color: #FFF;
    text-align: center;
    padding-top: 20px;
    text-shadow: rgba(0,0,0,0.6) 3px 3px 2px;
}

#index-about{
    position: relative;
    top: -150px;
    display: block;
}


.rwd-menu{
    display: none;
}
.rwd-menu span{
    width: 30px;
    max-width: 100%;
    display: none;
    margin: 0 auto;
    height: 4px;
    transition: all .4s linear; 
    background-color:  #1b3d1e;
    position: relative;
}
.rwd-menu span:nth-child(2){
    margin: 5px auto;
}

.rwd-menu.active span:nth-child(2){
    display: none;
}
.rwd-menu.active span:nth-child(1){
    transform: rotate(45deg);
    top: 4px;
}
.rwd-menu.active span:nth-child(3){
    transform: rotate(-45deg);
}

.mask{
    width: 100%;
    height: 100vh;
    position: fixed;
    top: 0;
    z-index: 5;
    background-color: rgba(0,0,0,0.3);
    display: none;
}
.mask.active{
    display: block;
}