*{
    margin: 0;
    padding: 0;
    font-family: 'Noto Sans TC', sans-serif;
    letter-spacing: 2px;
}
html{
    font-size: 30px;
}
html body{
    background-repeat: repeat-y;
    background-size: contain;
    background: #001143;
}

@media screen and (max-width: 860px){
    html{
        font-size: 22px;
    }
}
@media screen and (max-width: 450px){
    html{
        font-size: 24px;
    }
    body{
        background-size: cover;
    }
}

.wrapper{
    overflow: hidden;
    background-size: 100%;
    animation: bg 20s infinite;
}
@keyframes bg{
    0%{
        background: url(../images/bg1.png); 
    }
    50%{
        background: url(../images/bg1.png); 
    }
    60%{
        background: url(../images/bg2.png); 
    }
    75%{
        background: url(../images/bg1.png); 
    }
    100%{
        background: url(../images/bg1.png); 
    }
}

.wrapper i{
    margin: 0 10px 0 0;
}

/*title*/
.title{
    width: 900px;
    padding: 50px 0 0;
    text-align: left;
    margin: auto;
}
.title h2{
    color: #fff;
    font-size: 2.5em;
    font-weight: 700;
    letter-spacing: 3px;
    line-height: 90px;
}
.title h2 span{
    color: #63ceff;
}
.title h3{
    color: #fff;
    font-size: 1.5em;
    font-weight: 600;
    letter-spacing: 3px;
    line-height: 45px;
}
.title p{
    color: #7981a4;
    font-size: 1em;
    font-weight: 600;
    margin: 40px 0 40px 15px;
    padding: 0 0 0 20px;
    border-left: 8px solid #7981a4;
}

@media (max-width: 860px){
    .title{
        width: 90%;
    }
    .title h2{
        line-height: 65px;
    }
}

@media (max-width:450px){
    .title h2{
        font-size: 2em;
        line-height: 60px;
    }
    .title br{
        display: none;
    }
}

/*navgation*/
.gray{
    width: 100%;
    height: 100%;
    background-color: #000000;
    visibility: hidden;
    opacity: 0;
    transition: 0.3s ease-in;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 200;
}
.header{
    position: fixed;
    top: 0px;
    height: 90px;
    width: 100%;
    z-index: 150;
    transition: 0.6s;
}
.header.sticky{
    background-color: rgba(0, 17, 67, 0.7);
    backdrop-filter: blur(15px);
    border-bottom: 2px solid #7981a4;
    transition: 0.7s;
}
.header.sticky .menu-open i{
    color: #fff;
}
.header .nav{
    width: 80%;
    margin: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.header .nav .logo{
    width: 220px;
    padding: 10px 0;
}
.header .nav .logo img{
    width: 100%;
}
.header .nav .menu{
    width: 600px;
    display: flex;
    justify-content: right;
    align-items: center;
}
.header .nav .menu a{
    text-decoration: none;
    color: #fff;
    font-size: 0.8em;
    font-weight: 500;
    letter-spacing: 2px;
    padding: 0 5px 5px;
    margin: auto;
    transition: 0.4s;
}
.header .nav .menu a:hover{
    color: #63ceff;
    border-bottom: 1px solid #63ceff;
    transition: 0.4s;
}
.header .nav .menu p{
    color: #fff;
    font-size: 0.8em;
    padding: 20px 0 0;
}
.header .nav .menu-phone{
    display: none;
}
.menu-block{
    display: none;
}

@media (max-width: 1450px){
    .header .nav .logo{
        width: 300px;
    }
    .header .nav .menu{
        width: 500px;
    }
}

@media (max-width: 860px){
    .header.sticky{
        backdrop-filter: unset;
    }
    .header .nav{
        width: 90%;
    }
    .header .nav .logo{
        width: 200px;
    }
    .header .nav .menu{
        display: none;
    }
    .header .nav .menu-phone{
        display: initial;
    }
    .header .nav .menu-phone .menu-open i{
        color: #fff;
        font-size: 30px;
    }
    .menu-block{
        position: fixed;
        top: 0;
        right: 0;
        width: 400px;
        height: 100%;
        background-color: rgba(10, 20, 35, 1);
        text-align: center;
        z-index: 300;
    }
    .menu-block .menu-close{
        position: absolute;
        top: 15px;
        right: 20px;
        color: #fff;
        font-size: 1.5em;
    }
    .menu-block .content{
        width: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
        flex-direction: column;
        position: relative;
        margin: 80px 0;
    }
    .menu-block a{
        width: 60%;
        text-decoration: none;
        color: #fff;
        padding: 30px;
        border-bottom: 1px solid #646464;
    }
}
@media (max-width: 450px){
    .header{
        height: 70px;
    }
    .header .nav .logo{
        width: 150px;
    }
    .menu-block{
        width: 100%;
    }
}

/*banner*/
.banner{
    height: 1000px;
    width: 100%;
    background-repeat: no-repeat;
    background-size: cover;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    position: relative;
}
.banner .content{
    max-width: 800px;
    margin: -50px 0 0 200px;
    display: flex;
    justify-content: flex-start;
    flex-direction: column;
    z-index: 50;
}
.banner .content h1{
    max-width: 650px;
    margin: 0;
    opacity: 0;
    transform: translatex(-100px);
}
.banner .content h2{
    max-width: 750px;
    margin: -15px 0 0;
    opacity: 0;
    transform: translatex(-100px);
}
.banner .content p{
    width: 500px;
    font-size: 1em;
    letter-spacing: 1px;
    line-height: 42px;
    font-weight: 600;
    color: #FFFF37;
    text-shadow: 0 0 5px #3c3c3c;
    margin: 70px 0 0;
    letter-spacing: 2px;
    opacity: 0;
    animation: shineTitle 5s infinite;
    transform: translate(-100px);
}
.banner .content img{
    width: 100%;
}

@keyframes shineTitle{
    0%{
        filter: brightness(1.0);
    }
    50%{
        filter: brightness(1.0);
    }
    60%{
        filter: brightness(1.8);
    }
    80%{
        filter: brightness(1.0);
    }
    100%{
        filter: brightness(1.0);
    }
}
.banner video{
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

@media screen and (max-width: 1450px){
    .banner .content p{
        font-size: 0.9em;
        line-height: 38px;
    }
}


@media screen and (max-width: 860px){
    .banner{
        height: 1200px;
    }
    .banner .content{
        width: 90%;
        margin: auto;
        flex-direction: column;
        justify-content: center;
    }
    .banner .content p{
        font-size: 1.6em;
        line-height: 40px;
    }
    .banner video{
        height: 1200px;
    }
}

@media screen and (max-width: 450px){
    .banner{
        height: 900px;
        align-items: unset;
    }
    .banner .content{
        margin: -200px auto 0;
    }
    .banner .content p{
        width: 300px;
    }
    .banner video{
        height: 900px;
    }
}

/*introduction*/
.introduction{
    width: 100%;
    margin: 150px auto 100px;
}
.introduction .content{
    max-width: 1000px;
    margin: auto;
    display: flex;
    justify-content: center;
    align-items: center;
}
.introduction .content .item{
    padding: 30px 0;
    border-radius: 7px;
    position: relative;
    text-align: left;
    transition: 0.4s;
}
.introduction .content .item p{
    font-size: 1em;
    color: #7981a4;
    font-weight: 500;
    padding: 0 0 0 50px;
}
.introduction .content .item p span{
    color: #c2cfd6;
}

@media (max-width: 860px){
    .introduction{
        margin: 50px auto;
    }
    .introduction .content{
        max-width: unset;
        width: 100%;
    }
    .introduction .content .item p{
        padding: 0 50px;
    }
}

@media (max-width: 450px){
    .introduction .content{
        flex-direction: column;
        width: 90%;
    }
    .introduction .content .item{
        width: 100%;
        margin: 0 auto 80px;
    }
    .introduction .content .item p{
        padding: 0 20px;
    }
}

/*feature*/
.feature{
    width: 100%;
}
.feature .content{
    width: 100%;
    padding: 50px 0;
}
.feature .content .item{
    width: 100%;
    height: 400px;
    background-size: 1920px 400px;
    background-repeat: no-repeat;
    background-position: center center;
    display: flex;
    align-items: center;
    transition: 0.4s;
}
.feature .content .item:hover{
    filter: brightness(1.2);
    transition: 0.4s;
}
.feature .content .item:nth-child(1){
    background-image: url(../images/feature-bg1.png);
    border-bottom: 1px solid #2b21b3;
}
.feature .content .item:nth-child(2){
    background-image: url(../images/feature-bg2.png);
    border-bottom: 1px solid #2b21b3;
}
.feature .content .item:nth-child(3){
    background-image: url(../images/feature-bg3.png);
    border-bottom: 1px solid #2b21b3;
}
.feature .content .item:nth-child(4){
    background-image: url(../images/feature-bg4.png);
}
.feature .content .item .wordbox{
    width: 600px;
    margin: auto 0 auto 300px;
    text-align: left;
    display: flex;
    justify-content: center;
    align-items: center;
}
.feature .content .item .wordbox h3{
    color: #7981a4;
    font-family: 'Bebas Neue', sans-serif;
    font-size: 6em;
    padding: 0 50px 0 0;
}
.feature .content .item .wordbox p{
    color: #c2cfd6;
    font-size: 1em;
    font-weight: 500;
    line-height: 40px;
    letter-spacing: 1px;
    padding: 0 0 0 50px;
    border-left: 1px solid #7981a4;
}

@media(max-width: 860px){
    .feature .content .item{
        height: 300px;
        background-size: 1440px 300px;
    }
    .feature .content .item .wordbox{
        width: 400px;
        margin: auto 0 auto 50px;
    }
    .feature .content .item .wordbox h3{
        padding: 0 30px 0 0;
    }
    .feature .content .item .wordbox p{
        padding: 0 0 0 30px;
    }
}
@media(max-width: 450px){
    .feature .content .item{
        height: 600px;
        background-size: 500px 700px;
        background-position: top center;
        justify-content: center;
        align-items: unset;
    }
    .feature .content .item:nth-child(1){
        background-image: url(../images/feature-bg1-p.png);
        border-bottom: 1px solid #2b21b3;
    }
    .feature .content .item:nth-child(2){
        background-image: url(../images/feature-bg2-p.png);
        border-bottom: 1px solid #2b21b3;
    }
    .feature .content .item:nth-child(3){
        background-image: url(../images/feature-bg3-p.png);
        border-bottom: 1px solid #2b21b3;
    }
    .feature .content .item:nth-child(4){
        background-image: url(../images/feature-bg4-p.png);
    }
    .feature .content .item .wordbox{
        width: 90%;
        margin: 250px auto 0;
    }
}

/*target*/
.target{
    width: 100%;
}
.target .content{
    max-width: 1200px;
    margin: auto;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    flex-wrap: wrap;
}
.target .content .item{
    width: 300px;
    margin: 0 20px;
    display: flex;
    justify-content: center;
    flex-direction: column;
    transition: 0.4s;
}
.target .content .item:hover{
    filter: brightness(1.3);
    transition: 0.4s;
}
.target .content .item .imgbox{
    width: 200px;
    margin: auto;
    z-index: 10;
}
.target .content .item .imgbox img{
    width: 100%;
}
.target .content .item .wordbox{
    width: 100%;
    height: 400px;
    margin: -80px 0 0;
    padding: 80px 15px 0;
    text-align: center;
    background: linear-gradient(135deg, #003972 , #001147);
    border-radius: 5px;
}
.target .content .item .wordbox p{
    color: #c2cfd6;
    font-size: 0.8em;
    font-weight: 500;
    line-height: 38px;
    letter-spacing: 1px;
}

@media (max-width: 860px){
    .target .content .item .wordbox{
        height: 400px;
    }
    .target .content .item .wordbox p{
        font-size: 1em;
        line-height: 40px;
    }
}
@media (max-width: 450px){
    .target .content .item .wordbox{
        height: auto;
    }
}

/*vip*/
.ta{
    width: 100%;
    margin: 100px auto;
}
.ta .content{
    width: 1000px;
    margin: auto;
    padding: 25px;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    flex-wrap: wrap;
}
.ta .content p{
    font-size: 0.9em;
    font-weight: 500;
    color: #7981a4;
    margin: 5px 15px;
}

@media (max-width: 860px){
    .ta .content{
        width: 90%;
    }
    .ta .content p{
        font-size: 1em;
    }
}

/*course*/
.course{
    width: 100%;
    padding: 50px 0;
    background-color: #000e3a;
}
.course .content{
    max-width: 1000px;
    margin: 100px auto 0;
}
.course .content ol li{
    color: #c2cfd6;
    font-size: 1.2em;
    font-weight: 600;
    line-height: 38px;
    letter-spacing: 1px;
    margin: 20px 0 20px 40px;
}
.course .content ol ul li{
    color: #7981a4;
    font-weight: 500;
    font-size: 0.8em;
    line-height: 34px;
    margin: 10px 0;
}

@media (max-width: 860px){
    .course .content{
        margin: 50px auto 0;
    }
}
@media (max-width: 450px){
    .course .content{
        max-width: unset;
        width: 90%;
    }
    .course .content ol li{
        margin: 20px 0 20px 10px;
    }
}

/*teacher*/
.teacher{
    width: 100%;
    margin: 50px auto;
}
.teacher .content{
    max-width: 1000px;
    margin: 100px auto 0;
    display: flex;
    justify-content: flex-start;
    align-items: center;
}
.teacher .content .imgbox{
    width: 30%;
    margin: auto 15px;
    clip-path: circle(140px);
}
.teacher .content .imgbox img{
    width: 100%;
}
.teacher .content .wordbox{
    width: 65%;
    margin: auto 15px;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    flex-direction: column;
    text-align: left;
}
.teacher .content .wordbox h3{
    font-size: 2em;
    font-weight: 700;
    line-height: 72px;
    letter-spacing: 1px;
    color: #63ceff;  
}
.teacher .content .wordbox h3 br{
    display: none;
}
.teacher .content .wordbox h3 span{
    font-size: 0.4em;
    font-weight: 500;
    line-height: 36px;
    letter-spacing: 1px;
    color: #FFFF37;
    margin: 0 0 0 30px;
}
.teacher .content .wordbox p{
    display: inline-block;
    color: #7981a4;
    font-size: 0.7em;
    font-weight: 400;
    margin: 10px 0;
    letter-spacing: 1px;
}

@media (max-width: 860px){
    .teacher .content{
        max-width: unset;
        width: 90%;
        margin: 50px auto 0;
    }
    .teacher .content .imgbox{
        clip-path: circle(110px);
        margin: 0 0 0 5px;
        width: 35%;
    }
    .teacher .content .wordbox{
        width: 60%;
        margin: 0 0 0 5px;
    }
    .teacher .content .wordbox p{
        margin: 5px 0;
    }   
}
@media (max-width: 450px){
    .teacher .content{
        flex-direction: column;
    }
    .teacher .content .imgbox{
        clip-path: circle(110px);
        margin: 5px 0;
        width: 90%;
    }
    .teacher .content .wordbox{
        width: 90%;
        margin: 5px 0;
    }
    .teacher .content .wordbox h3{
        line-height: 50px;
    }
    .teacher .content .wordbox h3 br{
        display: initial;
    }
    .teacher .content .wordbox h3 span{
        margin: 0;
    }
    .teacher .content .wordbox p{
        margin: 5px 0;
    }   
}

/*other*/
.other{
    width: 100%;
}
.other .content{
    max-width: 1200px;
    margin: auto;
}

@media (max-width: 860px){
    .other .content{
        max-width: unset;
        width: 90%;
        margin-top: -50px;
    }
}


/*form*/
.application{
    width: 100%;
    margin: 100px auto 50px;
    background-repeat: no-repeat;
    background-size: cover;
}
.application .title p br{
    display: initial;
}
.application .content{
    max-width: 1000px;
    margin: auto;
    padding: 50px 0;
    display: flex;
    justify-content: center;
}
.application .content .imgbox{
    width: 500px;
    transform: translateX(30px);
}
.application .content .imgbox img{
    width: 100%;
    border-radius: 7px;
}
.application .content form{
    width: 500px;
    margin: 60px 0 0;
    padding: 30px 0;
    border-radius: 7px;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    flex-direction: column;
    color: #fff;
    text-align: left;
    font-weight: 500;
    transform: translateX(-30px);
    background: radial-gradient(rgba( 0, 57, 114, 1) , rgba( 0, 17, 71, 0.7));
}
.application .content form .item{
    width: 90%;
    display: flex;
    justify-content: flex-start;
    flex-direction: column;
    margin: 10px 0;
}
.application .content form .item label{
    color: #fff;
    font-size: 0.8em;
    font-weight: 400;
    padding: 10px 5px;
}
.application .content form .item label span{
    color: #63ceff;
}
.application .content form .item input{
    width: 100%;
    border: 0;
    font-size: 0.8em;
    padding: 3px 0;
    background: unset;
    outline: none;
    color: #fff;
    border-bottom: 2px solid #7981a4;
    margin: 0 5px;
}
.application .content form .item input:focus{
    background: unset;
}
.application .content form .item input:active{
    background: unset;
}
.application .content form .item input + span{
    color: #63ceff;
    visibility: hidden;
    font-size: 0.7em;
    opacity: 0;
    transition: 0.5s;
}
.application .content form .item input:valid + span{
    visibility: visible;
    opacity: 1;
    transition: 0.5s;
}
.application .content form .item:nth-child(2){
    flex-direction: row;
}
.application .content form .item:nth-child(2) input{
    margin: 0 0 0 50px;
    width: 16px;
    font-size: 0.8em;
}
.application .content form .item:nth-child(2) input + label{
    font-size: 0.6em;
}
.application .content form .item:nth-child(2) .link{
    font-size: 0.6em;
    margin: 14px 0 0;
}
.application .content form button{
    display: inline-block;
    border: 0;
    margin: 15px 150px 15px 0;
    padding: 7px 70px;
    border-radius: 5px;
    color: #0a1423;
    background-color: #63ceff;
    font-size: 20px;
    line-height: 26px;
    font-weight: 500;
    transition: 0.4s ease-out;
}
.application .content form button:hover{
    background-color: #36ffff;
    color: #0a1423;
    transition: 0.4s ease-in-out;
}

@media (max-width: 860px){
    .application .content{
        max-width: unset;
        width: 100%;
    }
    .application .content .imgbox{
        width: 400px;
    }
    .application .content form{
        width: 550px;
    }
    .application .content form .item{
        width: 100%;
    }
    .application .content form .item:nth-child(2) input{
        margin: 0 0 0 80px;
    }
    .application .content form button{
        margin: 15px 60px 15px 0;
    }
}

@media (max-width: 450px){
    .application{
        margin: 50px auto 25px;
    }
    .application .content{
        flex-direction: column;
    }
    .application .content .imgbox{
        width: 90%;
        transform: unset;
        margin: auto;
    }
    .application .content form{
        width: 90%;
        transform: unset;
        margin: -30px auto 0;
    }
    .application .content form label{
        padding: 5px;
    }
    .application .content form .item:nth-child(2) input{
        margin: 0 0 0 30px;
    }
    .application .content form .item:nth-child(2) .link{
        margin: 11px 0 0;
    }
    .application .content form button{
        width: 60%;
        padding: 7px 30px;
        margin: 15px 0;
    }
}

/*ad*/
.ad{
    width: 100%;
    margin: 100px auto;
    display: flex;
    justify-content: center;
}
.ad img{
    max-width: 860px;
    transition: 0.5s;
}
.ad img:hover{
    transform: scale(1.1);
    transition: 0.5s;
}

@media screen and (max-width: 450px){
    .ad{
        width: 90%;
        margin: 50px auto;
    }
    .ad img{
        width: 100%;
    }
}

/*footer*/
.footer{
    width: 100%;
    background-color: #00071d;
    padding: 50px 0 30px;
    text-align: center;
}
.footer a{
    text-decoration: none;
    color: #63ceff;
    font-size: 14px;
    line-height: 28px;
    font-weight: 400;
    letter-spacing: 1px;
    transition: 0.4s;
}
.footer a:hover{
    color: #79ebfa;
    transition: 0.4s;
}
.footer p{
    color: #fff;
    font-size: 14px;
    line-height: 28px;
    font-weight: 400;
    letter-spacing: 1px;
    margin: 10px auto;
}
.footer p br:nth-child(odd){
    display: none;
}

@media screen and (max-width:450px){
    .footer{
        padding: 50px 0 150px;
    }
    .footer p{
        font-size: 12px;
        line-height: 26px;
    }
    .footer p br:nth-child(odd){
        display: initial;
    }
}

/*right form*/
#hiddenForm{
    visibility: hidden;
    opacity: 0;
    transition: 1s;
}
#initialFrom{
    visibility: initial;
    opacity: 1;
    transition: 1s;
}
.right_form{
    position: fixed;
    right: 0;
    top: 300px;
    width: 150px;
    height: 200px;
    background: linear-gradient(135deg, #003972 , #001147);
    border-radius: 5px;
    z-index: 100;
}
.right_form .wordbox{
    padding: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    text-align: center;
}
.right_form .wordbox h3{
    color: #FFFF37;
    font-weight: 700;
    font-size: 1em;
    line-height: 40px;
}
.right_form .wordbox p{
    color: #fff;
    font-weight: 400;
    font-size: 0.6em;
    line-height: 24px;
}
.right_form .wordbox a{
    color: #0a1423;
    text-decoration: none;
    background-color: #63ceff;
    border-radius: 5px;
    padding: 3px 15px;
    font-weight: 500;
    font-size: 0.6em;
    line-height: 24px;
    transition: 0.6s ease-out;
}
.right_form .wordbox a:hover{
    background-color: #36ffff;
    color: #0a1423;
    transition: 0.4s ease-in-out;
}

@media (max-width: 450px){
    .right_form{
        width: 100%;
        bottom: 0;
        top: unset;
        height: auto;
    }
    .right_form .wordbox{
        width: 100%;
        margin: auto;
        padding: 20px 10px;
        flex-direction: row;
    }
    .right_form .wordbox h3{
        font-size: 0.8em;
        margin: auto;
    }
    .right_form .wordbox h3 br{
        display: none;
    }
    .right_form .wordbox p{
        margin: auto 30px auto 0;
        padding: 0;
    }
    .right_form .wordbox a{
        margin: auto;
    }
}

/*go to top*/
#btn-back-to-top{
    position: fixed;
    bottom: 150px;
    right: 10px;
    display: none;
    background-color: #63ceff;
    border: 0px;
    opacity: 0.5;
    padding: 5px 15px;
    font-size: 0.8em;
    transition: 0.6s;
  }
#btn-back-to-top:hover{
    opacity: 1;
    transition: 0.6s;
    transform: translateY(-5px);
}