.document_page {
    background: #efefef;
    min-height: 620px;
    padding: 28px 0 50px;
}

.document_wrap {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    box-sizing: border-box;
}

.document_title {
    margin: 0 0 24px;
    text-align: center;
    font-size: 30px;
    font-weight: 500;
    color: #4a4a4a;
    letter-spacing: 1px;
}

.document_group {
    margin-bottom: 20px;
}

.document_group_title {
    margin: 0 0 10px;
    font-size: 24px;
    line-height: 1.35;
    color: #3b3b3b;
    font-weight: 600;
}

.document_list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.document_list li {
    margin: 10px 0;
}

.document_list a {
    font-size: 18px;
    line-height: 1.45;
    color: #000;
    text-decoration: none;
}

.document_list a:hover {
    color: #000;
    text-decoration: underline;
}

.doc_icon {
    display: inline-block;
    width: 1.2em;
}

.document_empty {
    margin-top: 20px;
    color: #666;
    font-size: 18px;
}

@media screen and (max-width: 1024px) {
    .document_title {
        font-size: 30px;
    }

    .document_group_title {
        font-size: 24px;
    }

    .document_list a {
        font-size: 22px;
    }
}

@media screen and (max-width: 768px) {
    .document_page {
        padding: 16px 0 30px;
    }

    .document_wrap {
        padding: 0 12px;
    }

    .document_title {
        font-size: 22px;
        margin-bottom: 14px;
    }

    .document_group_title {
        font-size: 18px;
    }

    .document_list a {
        font-size: 16px;
        line-height: 1.6;
    }
}