/*--------------header-style2-----------------*/
.header-style2{
    display: block;
    position: fixed;
    top: 0;
    width: 100%;
    left: 0;
    z-index: 999;
}
.header-box{
    width: 1200px;
    max-width: 100%;
    height: 100%;
    display: block;
    position: relative;
    margin: 0 auto;
    box-sizing: border-box;
    padding: 9.5px 0;
    background-color: #fff;
}
.header-logo{
    width: 291px;
    display: block;
    margin: 0 auto;
}
.rwd-menu{
    width: 30px;
    max-width: 100%;
    display: block;
    position: fixed;
    top: 29px;
    left: calc((100vw - 1200px) / 2 + 40px);
    box-sizing: border-box;
    cursor: pointer;
    z-index: 99999;
}
.header-menu-box{
    width: 100%;
    height: 100vh;
    display: table;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    pointer-events: none;
    transition: all .4s linear;
    opacity: 0;
}
.header-menu-box.active{
    opacity: 1;
    pointer-events: auto;
}
.header-menu{
    display: table-cell;
    vertical-align: middle;
    background-color: rgba(0, 0, 0, 0.7);
}
.header-menu ul{
    width: 300px;
    height: 100%;
    max-width: 100%;
    display:         flex;
    display: -webkit-flex;
    align-items: center;
    -webkit-align-items: center;
    justify-content: center;
    -webkit-justify-content: center;
    flex-direction: column;
    /* margin-left: auto; */
    text-align: center;
    box-sizing: border-box;
    padding: 80px 0;
    background-color: #fff;
    transition: all .4s linear;
    transform: translateX(-300px);
}
.header-menu-box.active .header-menu ul{
    transform: translateX(0);
}

.rwd-menu span{
    width: 100%;
    display: block;
    margin: 0 auto;
    height: 2px;
    background-color: #000;
    position: relative;
}
.header-menu ul>li{
    width: 100%;
    display: block;
    border-bottom: 1px solid #d1d1d1;
    box-sizing: border-box;
}
.header-menu ul>li:first-child{
    border-top: 1px solid #d1d1d1;
}
.header-menu-title{
    font-size: 20px;
    font-weight: bold;
    color: #000;
    width: 100%;
    display: block;
    letter-spacing: 5px;
    box-sizing: border-box;
    padding: 15px 0;
}
 .rwd-menu.active{
    position: fixed;
    left: 40px;
}


.rwd-menu-list-back{
    display: none;
}
.mask{
    width: 100%;
    height: 100vh;
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    background-color: rgba(0, 0, 0, 0.7);
}

.mask.active{
    display: block;
}





/*漢堡樣式1*/
.rwd-menu-style1> span:nth-child(even){
    margin: 8px auto;
    transition: all .4s linear;
}
.rwd-menu-style1> span:nth-child(1){
    transform: scale(1);
    transform-origin: left;
    transition: all .4s linear;
}
.rwd-menu-style1> span:nth-child(3){
    transform: scale(1);
    transform-origin: right;
    transition: all .4s linear;
}
.rwd-menu-style1> span:nth-child(4){
    top: -19px;
    transform:  scale(0,1) rotate(-45deg);
}
.rwd-menu-style1> span:nth-child(4){
    display: none;
}
.rwd-menu-style1 .rwd-menu-bth-line{
    transform: rotate(-45deg);
}
.rwd-menu-style1 .rwd-menu-bth-line2{
    transform: rotate(45deg);
}
.rwd-menu-style1 .rwd-menu-bth-line,
.rwd-menu-style1 .rwd-menu-bth-line2{
    position: absolute;
    top: 6px;
    left:0;
    width: 100%;
}
.rwd-menu-style1 .rwd-menu-bth-line span,
.rwd-menu-style1 .rwd-menu-bth-line2 span{
    transform:  scale(0,1);
    transition: all .5s ease;
    position: relative;
}
.rwd-menu-style1.active .rwd-menu-bth-line span,
.rwd-menu-style1.active .rwd-menu-bth-line2 span{
    transform:  scale(1,1) ;
    transition-delay: .1s;
}
.rwd-menu-style1.active> span:nth-child(1),
.rwd-menu-style1.active> span:nth-child(2),
.rwd-menu-style1.active> span:nth-child(3){
    transform: scale(0,1);
}
.rwd-menu-style1.active> span:nth-child(odd){
    transform: scale(0);
    transition: all .4s linear;
    transition-delay: 0s;
}

/*漢堡樣式2*/

.rwd-menu-style2> span:nth-child(4){
    display: none;
}
.rwd-menu-style2> span:nth-child(2){
    display: block;
    margin: 4px auto;
}
.rwd-menu-style2{
    width: 25px;
}
.rwd-menu-style2> span{
    transition: all 0.3s ease-in-out;
}
.rwd-menu-style2 .rwd-menu-bth-line,
.rwd-menu-style2 .rwd-menu-bth-line2{
    display: none;
}
.rwd-menu-style2.active{
    animation: smallbig 0.6s forwards;
}
.rwd-menu-style2.active> span:nth-child(1){
    -webkit-transform: translateY(7px) rotate(45deg);
    -ms-transform: translateY(7px) rotate(45deg);
    -o-transform: translateY(7px) rotate(45deg);
    transform: translateY(7px) rotate(45deg);
}
.rwd-menu-style2.active> span:nth-child(2){
    opacity: 0;
}
.rwd-menu-style2.active> span:nth-child(3){
    -webkit-transform: translateY(-5px) rotate(-45deg);
    -ms-transform: translateY(-5px) rotate(-45deg);
    -o-transform: translateY(-5px) rotate(-45deg);
    transform: translateY(-5px) rotate(-45deg);
}

.rwd-menu-style2.active> span:nth-child(1), 
.rwd-menu-style2.active> span:nth-child(2), 
.rwd-menu-style2.active> span:nth-child(3) {
    -webkit-transition-delay: 0.2s;
    -o-transition-delay: 0.2s;
    transition-delay: 0.2s;
}



@keyframes smallbig{
  0%, 100%{
    -webkit-transform: scale(1);
    -ms-transform: scale(1);
    -o-transform: scale(1);
    transform: scale(1);
  }

  50%{
    -webkit-transform: scale(0);
    -ms-transform: scale(0);
    -o-transform: scale(0);
    transform: scale(0);
  }
}