* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --vw-1920: calc(100vw / 1920);
    --vw-750: calc(100vw / 750);
}

.top {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 999;
    background-color: #fff;
}


img {
    width: 100%;
    height: 100%;
}


.chose {
    color: #fff;
    background-color: #0A931B;
}


.nav-list>div:hover,
.links:hover {
    cursor: pointer;
}

.links:hover {
    color: #000;
}

.footer,
.footer-h5 {
    font-family: "PingFang SC", "Helvetica Neue", Arial, sans-serif;
}

.footer-download {
    transition: transform 0.3s ease;
}

.footer-download:hover {
    transform: scale(1.1);
}


.nav-list {
    display: flex;
    align-items: center;
    white-space: nowrap;
    transition: all 1s;
}


.navigation {
    font-family: "Roboto", "Helvetica Neue", Arial, sans-serif;
    display: flex;
    justify-content: space-between;
    background-color: #fff;
    color: #374151;
}

/* 大屏样式 */
@media screen and (min-width: 769px) {
    .menu {
        display: none;
    }

    .logo-img {
        display: block;
        width: calc(246 * var(--vw-1920));
        height: calc(55 * var(--vw-1920));

    }

    .logo-imgh5 {
        display: none;
    }

    .navigation {
        display: flex;
        align-items: center;
        margin: 0 calc(260 * var(--vw-1920));
        height: calc(64 * var(--vw-1920));
        width: calc(1400 * var(--vw-1920));
        font-size: calc(16 * var(--vw-1920));
    }

    .banner {
        margin-top: calc(64 * var(--vw-1920));
    }

    .nav-list div {
        height: calc(64 * var(--vw-1920));
        padding: calc(20 * var(--vw-1920)) calc(12 * var(--vw-1920));
        line-height: calc(24 * var(--vw-1920));
    }

    .bottomline {
        background: #BDBDBD;
        height: 1px;
        margin-top: calc(76 * var(--vw-1920));
    }

    .footer {
        box-sizing: border-box;
        margin: 0 calc(260 * var(--vw-1920));
        display: block;
    }

    .logo-button {
        margin-top: calc(40 * var(--vw-1920));
        display: flex;
        justify-content: space-between;
    }

    .footer-logo {
        width: calc(384 * var(--vw-1920));
        height: calc(96 * var(--vw-1920));
    }

    .footer-download {
        width: calc(272 * var(--vw-1920));
        height: calc(102 * var(--vw-1920));
    }

    .footer-about {
        margin-top: calc(96 * var(--vw-1920));
        margin-bottom: calc(84 * var(--vw-1920));
        display: flex;
        justify-content: space-between;
    }

    .footer-about>div>div {
        font-weight: 600;
        font-size: calc(36 * var(--vw-1920));
        color: #0A931B;
        margin-bottom: calc(40 * var(--vw-1920));
        line-height: calc(33 * var(--vw-1920));
    }

    .footer-about>div>p {
        font-weight: 500;
        font-size: calc(24 * var(--vw-1920));
        color: #8C8C8C;
        line-height: calc(52 * var(--vw-1920));
    }

    .footer-h5 {
        display: none;
    }
}

/* 小屏样式 */
@media screen and (max-width: 768px) {
    .logo-img {
        display: none;
    }

    .logo-imgh5 {
        display: block;
        height: calc(24 * var(--vw-750));
    }

    .top .navigation .home {
        height: calc(52 * var(--vw-750));
    }

    .navigation {
        display: flex;
        align-items: center;
        /* justify-content: space-between; */
        position: relative;
        width: 100vw;
        height: calc(88 * var(--vw-750));
    }

    .banner {
        margin-top: calc(88 * var(--vw-750));
    }

    .menu {
        box-sizing: border-box;
        display: block;
        /* flex: 1; */
        margin-right: auto;
        padding-left: calc(32 * var(--vw-750));
    }

    .menu>img {
        width: calc(40 * var(--vw-750));
        height: calc(40 * var(--vw-750));
    }

    .logo {
        text-align: center;
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
    }


    .nav-list {
        display: none;
        position: absolute;
        top: calc(88 * var(--vw-750));
        left: 0;
        flex: 1;
        width: 100vw;
        background-color: #fff;
        font-weight: 400;
        font-size: calc(32 * var(--vw-750));
        color: #000;
    }

    .nav-list>div {
        height: calc(106 * var(--vw-750));
        line-height: calc(106 * var(--vw-750));
        padding: 0 calc(32 * var(--vw-750));
        border-bottom: 1px solid #eee;
        box-sizing: border-box;
    }

    .bottomline {
        background: #BDBDBD;
        height: 1px;
        margin-top: calc(100 * var(--vw-750));
    }

    .footer-h5 {
        display: block;
    }

    .footer {
        display: none;
    }

    .footer-h5-logo {
        margin-top: calc(85 * var(--vw-750));
        width: calc(384 * var(--vw-750));
        margin-left: calc(97 * var(--vw-750));
    }

    .footer5-about {
        display: flex;
        justify-content: space-between;
    }

    .footerh5-Contact>div,
    .footerh5-Quick>div,
    .footerh5-About>div {
        font-weight: 600;
        font-size: calc(20 * var(--vw-750));
        color: #0A931B;
        line-height: calc(33 * var(--vw-750));
        margin-bottom: calc(26 * var(--vw-750));
    }

    .footerh5-Contact>div,
    .footerh5-Quick>div {
        margin-left: calc(97 * var(--vw-750));
    }

    .footerh5-About>div {
        margin-right: calc(117 * var(--vw-750));
    }

    .footer-h5 p {
        font-size: calc(16 * var(--vw-750));
        color: #8C8C8C;
    }

    .footerh5-Contact p,
    .footerh5-Quick p {
        margin-left: calc(100 * var(--vw-750));
    }

    .footerh5-Quick {
        margin-top: calc(70 * var(--vw-750));
        margin-bottom: calc(109 * var(--vw-750));
    }

    .footerh5-download {
        margin-top: calc(70 * var(--vw-750));
        margin-right: calc(90 * var(--vw-750));
        width: calc(218 * var(--vw-750));
        height: calc(82 * var(--vw-750));
    }
}