.kt-header {
    position: fixed;
    top: 0;
    display: flex;
    flex-direction: column;
    width: 100vw;
    min-width: 1200px;
    height: 2.34vw;
    background-color: rgba(0, 0, 0, 1);
    z-index: 100;
    max-height: 60px;
}

.kt-header:hover{
    background-color: rgba(0,0, 0, 1) !important
}


.kt-header-container {
    height: 100%;
    width: 100%;
    line-height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0 auto;
    max-width: 1200px;
    color: #FFFFFF;
}

.kt-header-container a {
    color: #FFFFFF;
    font-size: 0.73vw;
}

.kt-header-container span {
    line-height: 2.34vw;
    font-size: 0.73vw;
    cursor: pointer;
}

.kt-footer {
    width: 100vw;
    background-color: #FFFFFF;
    height: auto;
    margin-top: 6.25vw;
    min-width: 1200px;
}

.kt-footer-container {
    width: 61.22vw;
    display: flex;
    flex-direction: column;
    height: 100%;
    margin: 0 auto;
}

.kt-footer-container-link1 {
    display: flex;
    justify-content: space-between;
    width: 100%;
    height: 10.16vw;
    padding: 30px 0;
    border-bottom: 1px solid #D4D4D9;
}

.kt-footer-container-link1>div>span {
    line-height: 24px;
}

.kt-footer-copyright {
    font-size: 0.5vw;
    display: flex;
    flex-direction: column;
    margin-bottom: 20px; 
    padding: 0;
}

.footer-small-font{
    font-size: 0.52vw;
    color:#666666;
}

.footer-middle-font{
    font-size: 0.625vw;
    color: #333333;
}

.footer-big-font{
    font-size: 0.9275vw;
}

/* 大于1920 */
@media screen and (min-width: 1920px) {
    .kt-header-container {
        margin: 0 18.75vw;
        max-width: 62.5%;
    }

    .kt-title-block .kt-title-ch {
        margin-top: 5.2vw;
    }

    .kt-title-block .kt-title-en {
        margin-bottom: 1.7vw;
    }
    
}

/* 小于1920 */
@media screen and (max-width: 1920px) {
    .kt-header {
        height: 45px;
    }

    .kt-header-container a,
    .kt-header-container span {
        font-size: 14px;
    }

    .kt-footer {
        margin-top: 75px;
    }

    .kt-footer-copyright{
        font-size: 10px;
    }

    .kt-footer-container,.kt-content-block2 {
        width: 1200px;
    }

    .footer-small-font{
        font-size: 12px;
    }
    
    .footer-middle-font{
        font-size: 14px;
    }
    
    .footer-big-font{
        font-size: 18px;
    }

    .kt-footer-container-link1{
        height: 195px;
    }
}

/* 大于2560 */
@media screen and (min-width: 2560px){
    .kt-footer-container,.kt-content-block2 {
        width: 1560px;
    }

    .footer-small-font{
        font-size: 16px;
    }
    
    .footer-middle-font{
        font-size: 18px;
    }
    
    .footer-big-font{
        font-size: 20px;
    }

    .kt-footer-container-link1{
        height: 255px;
    }

    .kt-header-container a,
    .kt-header-container span {
        font-size: 18px;
    }

    .kt-footer {
        margin-top: 160px;
    }

    .kt-footer-copyright{
        font-size: 16px;
    }

    .kt-footer-container,.kt-content-block2 {
        width: 1560px;
    }
}