.article_banner {
     width: 100%;
     height: 220px;
     display: flex;
     justify-content: center;
     align-items: center;
     background: linear-gradient(135deg, #0a2240, #144e8a);
 }

 .article_banner span {
     color: #fff;
     font-size: 26px;
     font-weight: bold;
     letter-spacing: 2px;
 }

 .article_wrap {
     background: #f6f7fc;
     padding: 50px 0 80px;
 }

 .article_box {
     width: 1200px;
     margin: auto;
     background: #fff;
     border-radius: 16px;
     padding: 50px 60px;
     box-shadow: 0 2px 12px rgba(10, 26, 53, 0.06);
 }

 .article_box h1 {
     font-size: 26px;
     color: #1A2332;
     line-height: 1.6;
 }

 .article_meta {
     font-size: 13px;
     color: #94A3B8;
     margin: 18px 0 0;
     padding-bottom: 22px;
     border-bottom: 1px solid #E2E8F0;
 }

 .article_body h2 {
     font-size: 19px;
     color: #1A2332;
     margin: 38px 0 14px;
     padding-left: 12px;
     border-left: 4px solid #1B4FE0;
     line-height: 1.5;
 }

 .article_body p {
     font-size: 15px;
     color: #475569;
     line-height: 2;
     margin: 14px 0;
 }

 .article_body ul,
 .article_body ol {
     margin: 14px 0 14px 24px;
 }

 .article_body li {
     font-size: 15px;
     color: #475569;
     line-height: 2;
 }

 .article_body table {
     width: 100%;
     border-collapse: collapse;
     margin: 18px 0;
 }

 .article_body th,
 .article_body td {
     border: 1px solid #E2E8F0;
     padding: 10px 14px;
     font-size: 14px;
     color: #475569;
     text-align: left;
     line-height: 1.8;
 }

 .article_body th {
     background: #F1F5F9;
     color: #1A2332;
     font-weight: 600;
 }

 .article_brand_card {
     margin-top: 44px;
     background: linear-gradient(0deg, #eef4ff 0%, #fff);
     border: 1px solid #dbe7ff;
     border-radius: 12px;
     padding: 24px 28px;
 }

 .article_brand_card strong {
     display: block;
     font-size: 16px;
     color: #1B4FE0;
     margin-bottom: 8px;
 }

 .article_brand_card p {
     font-size: 14px;
     color: #475569;
     line-height: 1.9;
     margin: 0;
 }

 .article_relate {
     margin-top: 30px;
     padding-top: 22px;
     border-top: 1px solid #E2E8F0;
 }

 .article_relate strong {
     display: block;
     font-size: 15px;
     color: #1A2332;
     margin-bottom: 10px;
 }

 .article_relate a {
     display: block;
     font-size: 14px;
     color: #1B4FE0;
     line-height: 2.2;
     text-decoration: none;
 }

 .article_relate a:hover {
     text-decoration: underline;
 }

 @media screen and (max-width: 1200px) {
     .article_box {
         width: 100%;
         padding: 24px 20px;
         margin: 0 10px;
     }
 }