.nav>div>ul>li:nth-of-type(4)>div:first-of-type {
    top: 0 !important;
}

.nav>div>ul>li:nth-of-type(4)>div:last-of-type {
    bottom: 0 !important;
}

.download-nav {
    width: 100%;
    line-height: 65px;
    background: rgb(0, 118, 192);
}

.download-nav>ul {
    width: 95%;
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
}

.download-nav>ul>li>a {
    color: white;
    font-size: 14px;
    padding: 0 20px;
    text-align: center;
}

.download-nav>ul>li>a:hover {
    color: rgb(0, 118, 192);
    background: white;
}

.download-nav>ul>.active>a {
    color: rgb(0, 118, 192);
    background: white;
}

.download-list {
    width: 95%;
    max-width: 1400px;
    margin: 75px auto 107px;

}

.download-list>ul>li {
    height: 60px;
    line-height: 60px;
    display: flex;
    justify-content: space-between;
    box-sizing: border-box;
    border-bottom: 1px solid rgb(237, 237, 237);
    padding: 0 35px 0;
}

.download-list>ul>li:nth-of-type(odd) {
    background: rgb(250, 250, 250);
}

.download-list>ul>li:first-of-type {
    color: white;
    height: 53px;
    line-height: 53px;
    border-bottom: none;
    background: rgb(31, 167, 241);
}


.download-list>ul>li>a {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: rgb(83, 83, 83);
}

.download-list .btn {
    padding-top: 20px;
    min-width: 21px;
    display: inline-block;
    background: url(/html/images/download.png) no-repeat center;
    background-size: contain;
}



@media screen and (max-width:1024px) {
    .download-nav {
        line-height: 50px;
    }

    .download-list {
        margin: calc(75/1024*100%) auto calc(107/1024*100%);

    }
}

@media screen and (max-width:768px) {
    .download-nav {
        line-height: 40px;
    }

    .download-nav>ul>li>a {
        display: inline-block;
    }

    .download-list>ul>li,
    .download-list>ul>li:first-of-type {
        height: 50px;
        line-height: 50px;
    }

    .download-list>ul>li>a {
        font-size: 15px;
    }

    .download-list .btn {
        transform: scale(80%);
    }
}


@media screen and (max-width:540px) {
    .download-nav {
        line-height: 30px;
    }

    .download-nav>ul>li>a {
        font-size: 13px;
    }
}