.article-nav {
    background-color: #fff;
}

.article-content {
    padding: 2.6rem 0;
}

.content-left {
    padding: 3.7rem 2rem;
}

.content-left-footer {
    border-top: 0.1rem solid #eee;
    padding-top: 2.5rem;
    margin-top: 2.5rem;
    gap: 6rem;
}

.content-left-footer a {
    display: inline-block;
    width: 22.6rem;
    height: 3.6rem;
    line-height: 3.6rem;
    padding: 0 0.8rem;
    text-align: center;
    border: 1px solid #DDDDDD;
    transition: all 0.5s ease-in-out;
}

.content-left-footer a:hover,
.content-left-footer a.am-active {
    border: 1px solid var(--color-main);
    color: var(--color-main);
}

.content-right {
    padding: 2rem;
    width: 32.1rem;
}

.content-right .am-form-icon input {
    padding: 0.6rem 2rem 0.6rem 0.6rem !important;
    height: 3.8rem;
    line-height: 3.8rem;
}

.content-right .am-form-icon button {
    position: absolute;
    right: 0.5em;
    left: auto;
    color: #888888;
    margin-top: 1.1rem;
    padding: 0;
    background: transparent;
    border: 0;

}

.content-right .article-directory li {
    transition: all 0.5s ease-in-out;
}

.content-right .article-directory li.am-active a,
.content-right .article-directory li:hover a {
    color: var(--color-main);
}

.content-right .article-recommend li {
    padding-left: 1.5rem;
    position: relative;
    transition: all 0.5s ease-in-out;
}

.content-right .article-recommend li::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    width: 0.6rem;
    height: 0.6rem;
    border-radius: 100%;
    background-color: #ccc;
}

.content-right .article-recommend li.am-active,
.content-right .article-recommend li.am-active a,
.content-right .article-recommend li:hover a {
    color: var(--color-main);
}

.content-right .article-recommend li.am-active::before,
.content-right .article-recommend li:hover::before {
    background-color: var(--color-main);
}

@media only screen and (max-width: 860px) {
    .article-content {
        flex-direction: column;
        padding: 1rem 0;
    }

    .content-left {
        width: 100%;
        padding: 2rem 1rem;
    }

    .content-right {
        width: 100%;
        margin-left: 0;
        padding: 1rem;
    }

    .content-left-footer {
        padding-top: 1rem;
        margin-top: 1rem;
        gap: 2rem;
    }
}