a {
    color: #fff; 
    transition: 0.3s ease;
}

a:hover {
    color: #fff12e; 
    transform: translateY(-5px);
}

h4, h3, h5 {
    margin-bottom: 0;
}

h5 {
    text-shadow: 0 0 8px rgb(255 255 255 / 100%);
}
li {
    display: block;
}
.logo {
    position: absolute;
    top: 2vh;
    left: 2vh;
}
.logo img {
    width: 280px;
}
.top-banner {
    position: relative;
    display: block;
    overflow: hidden;
}
.banner_index {
    width: 100%;
    height: 673px;
    background-color: #002e60;
}

.top-mb {
    display: none;
}

.top-pc {
    display: block;
    overflow: hidden;
    background: url(../images/ai-2_01.jpg);
    background-position: center top;
    background-repeat: no-repeat;
    background-size: cover;
    width: 100%;
    height: 25rem;
}

.top-title {
    position: absolute;
    width: 46%;
    height: auto;
    top: 0vh;
    right: 3%;
    z-index: 99;
}

.top-tx {
    position: absolute;
    max-width: 580px;
    height: auto;
    top: 280px;
    right: 236px;
    z-index: 99;
}

.top-sale {
    width: 100%;
    height: auto;
    background: #002f62;
    text-align: center;
    color: #ffff;
    font-size: 29px;
    font-weight: bold;
    line-height: 1.2;
    letter-spacing: 2px;
    padding: 1vh 0;
}

.content01, .content02, .content03, .content04, .content05, .content06, .content07 {
    display: block;
    position: relative;
    overflow: hidden;
    background-position: center;
    background-repeat: no-repeat;
    width: 100%;
    padding-bottom: 4%;
}

.content01, .content03, .content04, .content05, .content06 {
    background: url(../images/content-bg1.jpg);
    background-size: cover;
}
.content02 {
    background: url(../images/content-bg2.jpg);
    background-size: cover;
}
.content06 {
    background: url(../images/content-bg3.jpg);
    background-size: cover;
}

.section-title {
    position: relative;
    display: block;
    top: 0;
    margin: 0 auto;
    padding: 7px 10px 22px;
    max-width: 750px;
    height: auto;
    border-radius: 0 0 60px 60px;
    background: linear-gradient(90deg, #0050E3 0%, #698BEB 25%, #B4A5FF 50%, #698BEB 75%, #0050E3 100%);
    text-align: center;
    color: #fff;
    margin-bottom: 4%;
}

.section-title span {
    font-size: 16px;
    letter-spacing: 5px;
}

.section-title .title {
    font-size: 42px;
    font-weight: bolder;
    line-height: 1.3;
    color: #fff8b9;
}

.section-title > .title > div {
    font-size: 22px;
    font-weight: bold;
    color: #fff;
}

.line {
    text-align: center;
    width: 100%;
    margin: 8px 0;
    height: 2px;
    background: linear-gradient(90deg, #004fe300 0%, #ffffff96 30%, #ffffff96 70%, #004fe300 100%);
}
.line2 {
    text-align: center;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, #004fe300 0%, #216fffde 30%, #216fffde 70%, #004fe300 100%);
}

.space {
    margin-bottom: 1.5vh;
}

.mv {
    width: 100%;
    text-align: center;
}

.mv >iframe {
    width: 90%;
    max-width: 900px;
    height: 55vh;
}

.banner {
    display: flex;
    justify-content: center;
    gap: 2.5%;
    flex-direction: row;
    flex-wrap: wrap;
}

.bn-big {
    width: auto;
    min-width: 270px;
    border-radius: 15px;
    border: 4px solid #0050E3;
    padding: 10px 20px;
    margin-top: 40px;
    background: linear-gradient(180deg, #B4A5FF 0%, #698BEB 30%, #0050E3 100%);
    text-align: center;
    font-size: 30px;
    font-weight: bold;
    color: #fff;
    line-height: 1.5;
    cursor: pointer;
}

.bn-big div {
    font-size: 18px;
    font-weight: 600;
    color: #b0edff;
}

.tx-box {
    width: auto;
    padding: 20px;
    text-align: center;
    font-weight: 500;
    color: #565656;
    background-color: #fff;
    border-radius: 15px;
    margin: 0 5%;
}

.tx-box h4, .tx-box span {
    color: #0050E3;
}

.girl1, .girl2 {
    margin: 0 auto;
    text-align: center;
}
.girl1 img {
    width: 90%;
}

.girl2 img, .free,.ai-box img  {
    width: 100%;
}

.max {
    display: block;
    position: relative;
    overflow: hidden;
    background: url(../images/max.png);
    background-size: contain;
    background-position: top;
    background-repeat: no-repeat;
    color: #383838;
    width: 100%;
    height: 46vh;
    padding-top: 11vh;
}
.max-tx-box1 {
position: relative;
    display: flex;
    gap: 2rem;
    text-align: center;
    flex-direction: column;
    align-items: center;
    margin-left: -18rem;
}
.max-tx-box2 {
    position: relative;
    display: flex;
    gap: 2rem;
    text-align: center;
    flex-direction: column;
    margin-right: -17rem;
}

.tx-sale {
    display: block;
    margin: 30px auto;
    width: 80%;
}
    
.gen-box {
    width: 100%;
    border-radius: 22px;
    overflow: hidden;
    border: 5px solid #ffffff;
}

.gen-title {
    display: block;
    position: relative;
    overflow: hidden;
    background-position: center top;
    background: url(../images/box-bg.png);
    background-size: cover;
    text-align: center;
    color: #fff;
    padding: 20px;
    margin-bottom:0;
}
.gen-row {
    position: relative;
    display: flex;
    gap: 3%;
    background: linear-gradient(180deg, #fef4f1 0%, #fad1c8 100%);
    padding: 3% 5% 6%;
}
.gen-box .title-box {
    padding: 5px;
    margin: 2%;
    text-align: center;
    background-color: #aebbfa;
    border-radius: 22px;
    color: #fff;
} 
.gen-box .title-box h4 {
    padding: 15px 0;
}
.gen-box .title-box .tx-box-1 {
    width: 100%;
    padding: 10px;
    background-color: #fff;
    color: #383838;
    border-radius: 0 0 15px 15px;
}
.button-row {
    margin: 0 auto;
    margin-top: -3.5rem;
    text-align: center;
}
.button {
    display: flex;
    border-radius: 12px;
    background: linear-gradient(180deg, #f8e07d 0%, #ff8b8b 60%);
    color: #fff;
    border: 4px solid #ff8b8b;
    font-size: 24px;
    line-height: 1.2;
    font-weight: bold;
    letter-spacing: 1px;
    align-items: center;
    justify-content: center;
    padding: 12px;
    margin: 0.7%;
}
.teacher {
    margin-bottom: 4%;
}
.teacher img  {
    width: 65%;
}

.teacher .tx-box {
    width: 75%;
    padding: 20px;
    font-weight: 500;
    color: #565656;
    background-color: #fff;
    border-radius: 15px;
    margin: 0 auto;
    margin-top: 2%;
}
.teacher h4 {
    color: #0050E3;
}
.teacher h4 span {
    font-size: 18px;
}

.direct-mv {
    display: flex;
    gap: 1.5rem;
    width: 100%;
    border-radius: 22px;
    border: 7px solid #d2a2ff;
    background: linear-gradient(180deg, #fff 0%, #f8def4 80%);
    padding: 3%;
    flex-direction: column;
    margin: 0 1rem;
}

.direct-mv h3 {
    color: #005be5;
}

.arrow {
    display: flex;
    position: relative;
    overflow: hidden;
    background-position: center;
    width: 100%;
    min-height: 3rem;
    height: auto;
    background: url(../images/arrow.png);
    background-size: 100%;
    background-repeat: no-repeat;
    color: #565656;
    margin: 0px 0.3rem;
    font-size: 20px;
    font-weight: bold;
    align-items: center;
    justify-content: center;
}

.direct-mv .mv-box {
    width: 100%;
    max-width: 17rem;
    height: 53vh;
    margin: 0 auto;
    border-radius: 12px;
    overflow: hidden;
}
.circular-row {
    display: flex;
    gap: 12px;
    justify-content: center;
    align-items: center;
}
.circular {
    display: flex;
    width: 90px;
    height: 90px;
    border-radius: 100%;
    background-color: #fffce6;
    border: 5px solid #f292cd;
    color: #565656;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 900;
    line-height: 1.2;
}

.ai-box {
    display: flex;
    gap: 1rem;
    width: 100%;
    padding: 1.5rem;
    border-radius: 22px;
    background: linear-gradient(180deg, #f7c9df 0%, #eca4c7 100%);
    flex-direction: column;
    align-items: center;
    margin: 0 1rem;
    color: #fff;
    font-weight: bold;
    font-size: 18px;
}

.ai-box:hover, .button:hover, .bn-big:hover {
    transition: 0.3s ease;
    transform: translateY(-5px);
    box-shadow: 0 5px 3px rgba(0, 0, 0, .40);
}

.ai-box h4 {
    color: #383838;
}



/*--------------- min-width 1920 ---------------- */
@media screen and (min-width: 1920px) {
.top-pc {
    width: 100%;
    min-height: 20rem;
}
.top-title {
        width: 43%;
        height: auto;
        max-width: 905px;
        top: 0vh;
        right: 7%;
}
}



/*--------------- max-width 1440 ---------------- */
@media screen and (max-width: 1440px) { 

.top-title {
    width: 56%;
    height: auto;
    top: 5vh;
    right: -2%;
}
}



/*--------------- max-width 980 ---------------- */
@media screen and (max-width: 980px) {

.top-title {
    width: 67%;
    height: auto;
    top: 3vh;
    right: -4%;
}
.direct-mv {
    margin: 0 0.5rem;
}
.arrow {
    font-size: 15px;
    min-height: 2rem;
}

.max {
    height: 40vh;
    padding-top: 8vh;
}
.max-tx-box1 {
    margin-left: -12rem;
}
.max-tx-box2 {
    margin-right: -12rem;
}


}



/*--------------- max-width 768 ---------------- */
@media screen and (max-width: 768px) {
h5 {
    font-size: 14px;
}
.top-pc {
    display: none;
}
.top-mb {
    display: block;
    overflow: hidden;
    background: url(../images/top-mb.jpg);
    background-position: center top;
    background-repeat: no-repeat;
    background-size: cover;
    width: 100%;
    height: 23rem;
}

.top-title {
    width: 79%;
    top: 12vh;
    right: -5vh;
}
.section-title .title {
    font-size: 25px;
}

.section-title > .title > div {
    font-size: 16px;
}

.section-title {
    padding: 5px 10px 20px;
    border-radius: 0 0 30px 30px;
}

.mv >iframe {
    height: 30vh;
}

.bn-big {
    margin-top: 4%;
    width: 86%;
}
.girl1, .girl2 {
    margin-bottom: 4%;
}
.button {
    width: 90%;
    margin-bottom: 4%;
}

.gen-row {
    padding: 7%;
}
.button-row {
    margin-top: 1.5rem;
    }

.direct-mv {
    margin-bottom: 5%;
}
.ai-box {
    width: 70%;
    margin: 0 auto;
    margin-bottom: 5%;
}
.content01, .content02, .content03, .content04, .content05, .content06, .content07 {
padding-bottom: 10%;
}
.tx-sale {
    display: block;
    margin: 5% auto;
    width: 100%;
}

.max {
    height: 27vh;
    padding-top: 4vh;
}
.max-tx-box1 {
    margin-left: -9rem;
}
.max-tx-box2 {
    margin-right: -9rem;
}

.arrow {
    min-height: 3.5rem;
    font-size: 20px;
}

.gen-title {  
    background: none;
    background-color: #ff8b8b;
}
.girl1 img {
    width: 100%;
}
.top-sale {
    font-size: 24px;
}
.top-sale span {
    display: block;}
.direct-mv {
    padding: 6% 3%;
}

}



/*--------------- max-width 540 ---------------- */
@media screen and (max-width: 540px) {
.logo {
    position: absolute;
    width: 100%;
    text-align: center;
    top: 1vh;
}
.logo img {
    width: 230px;
}
.top-mb {
    height: 22rem;
}
.top-title {
        width: 92%;
        top: 16vh;
        right: -2vh;
}
.arrow {
    min-height: 2.6rem;
    font-size: 17px;
}

.tx-sale {
    font-size: 20px;
    width: 130%;
    margin-left: -15%;
}
.max {
    height: 18vh;
    padding-top: 1vh;
}
.max-tx-box1 {
    gap: 1rem;
    margin-left: -5rem;
}
.max-tx-box2 {
    gap: 1rem;
    margin-right: -5rem;
}
.max h5 {
    font-size: 12px;
}
}



/*--------------- max-width 375 ---------------- */
@media screen and (max-width: 374px) {
.top-mb {
    height: 32vh;
}
.top-title {
    width: 105%;
    top: 11vh;
    right: -3vh;
}
.arrow {
        min-height: 2.2rem;
        font-size: 14px;
    }
.max {
    height: 14vh;
    padding-top: 1vh;
}
.max h5 {
    font-size: 12px;
}
.max-tx-box1 {
    gap: 0.5rem;
    margin-left: -3rem;
}
.max-tx-box2 {
    gap: 0.5rem;
    margin-right: -3rem;
}

}