body {
    width: 100%;
    background: url("../image/official-website.jpg") no-repeat;
    background-size: cover;
    background-position: 50% 50%;
    background-attachment: fixed;
    /* background: #000; */
}

/* 最外面的那层div */

#encrypticonIndex {
    width: 100%;
    min-height: 100vh;
    position: relative;
}

/* 公司名字 */

.reCompanyName {
    font-size: 60px;
    text-align: center;
    color: #fff;
    padding-top: 300px;
    font-weight: 20;
    font-family: big caslon;
}

/* 公司介绍 */

.companyIntroduce {
    padding-top: 50px;
}

.companyIntroduce p {
    color: #fff;
    font-size: 24px;
    text-align: center;
    font-family: big caslon;
}

/* Registered Office  */

.new_font {
    text-align: center;
    padding-top: 50px;
}

.new_font p {
    font-family: big caslon;
    color: #fff;
    font-weight: 500;
    font-size: 15px;
    display: inline-block;
}

/* Copyright */

.Copyright {
    width: 100%;
    padding-top: 240px;
    padding-bottom: 50px;
}

.Copyright p {
    text-align: center;
    font-size: 15px;
    color: #fff;
    font-family: times new roman;
}

.particles {
    border: none;
    width: 100%;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: -1;
}

/* 适应 */

@media(max-width:800px) {
    body {
        background: #000;
        /*background-position: 50% 50%;*/
    }
}

@media(max-width:450px) {
    body {
        background-size: 100%;
    }
}

@media(max-width: 620px) {
    .reCompanyName {
        padding-top: 200px;
        font-size: 50px;
    }

    .companyIntroduce p {
        font-size: 18px;
    }
}

@media(max-width: 480px) {
    .reCompanyName {
        padding-top: 200px;
        font-size: 35px;
    }

    .companyIntroduce p {
        font-size: 16px;
    }

    .new_font {
        padding-top: 100px;
    }
}

@media (max-width: 382px) {
    .nav .topLi {
        margin-right: 50px;
    }
}

@media (max-width: 342px) {
    .nav .topLi {
        margin-right: 30px;
    }

    .reCompanyName {
        font-size: 25px;
    }

    .new_font {
        padding-top: 120px;
    }
}

@media (width: 360px) and (height: 640px) {
    .new_font {
        padding-top: 50px;
    }

    .new_font p {
        color: #fff;
    }
}

@media (width: 412px) and (height: 660px) {
    .new_font {
        padding-top: 50px;
    }
}

@media (width: 360px) and (height: 567px) {
    .reCompanyName {
        padding-top: 120px;
    }

    .new_font {
        padding-top: 50px;
    }

    .new_font p {
        color: #fff;
    }
}

@media (width: 384px) and (height: 640px) {
    .new_font {
        padding-top: 50px;
    }

    .new_font p {
        color: #fff;
    }
}

@media (width: 320px) and (height: 533px) {
    .reCompanyName {
        padding-top: 100px;
    }

    .new_font {
        padding-top: 50px;
    }
}

@media (width: 320px) and (height: 480px) {
    .reCompanyName {
        padding-top: 100px;
    }

    .new_font {
        padding-top: 30px;
    }

    .new_font p {
        font-size: 12px;
    }
}

@media (width: 320px) and (height: 568px) {
    .reCompanyName {
        padding-top: 100px;
    }

    .new_font {
        padding-top: 60px;
    }

    .new_font p {
        font-size: 12px;
    }
}

@media (width: 375px) and (height: 667px) {
    .reCompanyName {
        padding-top: 150px;
    }

    .new_font {
        padding-top: 60px;
    }
}

@media (width: 600px) and (height: 1024px) {
    .new_font {
        padding-top: 200px;
    }

    .new_font p {
        font-size: 20px;
    }
}

@media (width: 1024px) and (height: 1366px) {
    .new_font {
        padding-top: 250px;
    }

    .new_font p {
        font-size: 20px;
    }
}

@media (width: 600px) and (height: 960px) {
    .new_font {
        padding-top: 200px;
    }

    .new_font p {
        font-size: 20px;
    }
}

@media (width: 800px) and (height: 1280px) {
    .new_font {
        padding-top: 200px;
    }

    .new_font p {
        font-size: 20px;
    }
}