.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    background: #f1f1f1;
    padding: 12px 15px;
    margin: 0 0 15px 0;
    list-style: none;
    border-radius: 2px;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    color: #555;
}

    .breadcrumb-item + .breadcrumb-item::before {
        content: "/";
        padding: 0 8px;
        color: #999;
    }

    .breadcrumb-item a {
        color: #333;
        text-decoration: none;
    }

        .breadcrumb-item a:hover {
            text-decoration: none;
            color: #e53935;
        }

    .breadcrumb-item.active {
        color: #777;
    }

.article-page {
    display: flex;
    align-items: flex-start;
    gap: 30px;
    margin: 30px 0 50px;
}

.article-left {
    width: 351px;
    flex-shrink: 0;
}

.pdf-btn {
    display: block;
    width: 100%;
    text-align: center;
    padding: 8px 0;
    border: 1px solid #e82a2c;
    color: #e82a2c;
    text-decoration: none;
    font-size: 13px;
    font-weight: bold;
    margin-bottom: 15px;
    transition: .3s;
}

    .pdf-btn:hover {
        background: #e82a2c;
        color: #fff;
    }

.left-box {
    border: 1px solid #d9d9d9;
    margin-bottom: 12px;
}

.left-title {
    background: #efefef;
    padding: 12px;
    font-weight: bold;
    font-size: 14px;
    color: #444;
    text-align: center;
}

    
.left-title_1 {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px;
    font-size: 14px;
    color: #444;
    border-bottom: 1px solid #d9d9d9;
}

    .left-title_1 b {
        flex-shrink: 0;
    }

    .left-title_1 .link {
        flex: 1;
        min-width: 0;
        overflow: hidden;
        white-space: nowrap;
        text-overflow: ellipsis;
        color: #283593;
        text-decoration: none;
    }
        .left-title_1 .link:hover {
            overflow: visible;
            white-space: normal;
            word-break: break-all;
            background: #fff;
            position: relative;
            z-index: 1000;
        }
    .left-title_1 b {
        margin-right: 5px;
    }

        .left-title_1 b a {
            color: #283593;
        }

    .left-title_1 a {
        color: #283593;
    }

        .left-title_1 a:hover {
            text-decoration: underline;
            color: #e82a2c;
        }



.left-content {
    padding: 12px;
    font-size: 13px;
    color: #444;
    line-height: 24px;
    overflow-wrap: break-word; 
    word-break: break-word; 
}

    .left-content a {
        color: #283593;
        text-decoration: none;
    }

        .left-content a:hover {
            text-decoration: underline;
            color: #e82a2c;
        }

    



.article-right {
    flex: 1;
}

.article-title {
    color: #283593;
    font-size: 33px;
    line-height: 42px;
    text-transform: uppercase;
    font-weight: 300;
}

.author-block {
    margin-bottom: 35px;
}

.author-item {
    margin-bottom: 18px;
}

.author-name {
    display: block;
    color: #555;
    font-size: 16px;
    font-style: italic;
}

.author-org {
    color: #777;
    font-size: 14px;
    margin-left: 12px;
    line-height: 24px;
}

    .author-org sup {
        color: #444;
        margin-right: 4px;
    }

.article-section {
    margin-top: 25px;
}

    .article-section h2 {
        font-size: 38px;
        font-weight: 300;
        color: #444;
        margin-bottom: 18px;
    }

.article-body {
    font-size: 15px;
    color: #444;
    line-height: 25px;
}

    .article-body p {
        margin-bottom: 18px;
    }

    .article-body ul {
        padding-left: 25px;
    }

    .article-body li {
        margin-bottom: 10px;
    }

.reference {
    font-size: 14px;
}

    .reference p {
        margin-bottom: 12px;
    }

.attach-list {
    margin-top: 15px;
}

.attach-item {
    margin-bottom: 12px;
}

    .attach-item a {
        color: #1c355e;
        text-decoration: none;
        font-size: 16px;
    }

        .attach-item a:hover {
            color: #1f73b7;
        }

    .attach-item i {
        color: #d9534f;
        font-size: 20px;
        margin-right: 6px;
    }

.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

    .article-body table th,
    .article-body table td {
        border: 1px solid #ddd;
        padding: 8px;
    }

.article-body img {
    max-width: 100%;
    height: auto;
}

.article-body a {
    color: #0070b8;
}

.author-list {
    margin-top: 20px;
    font-size: 18px;
    line-height: 34px;
    color: #444;
    display: flex;
}

.author-name {
    font-style: italic;
}

    .author-name sup {
        font-size: 12px;
        margin-left: 2px;
    }

.author-orgs {
    margin-top: 18px;
    color: #666;
    line-height: 25px;
    font-size: 15px;
    font-style: italic;
}

    .author-orgs sup {
        margin-right: 6px;
    }