.article-container {padding-top: 126px; padding-bottom: 80px; min-height: 760px; background: #f7f8fa;}
.article-banner {height: 180px; border-radius: 24px; padding: 42px 48px; margin-bottom: 24px; text-align: left; color: #fff; background: linear-gradient(135deg, #242936 0%, #535B69 54%, #F8C20F 100%); overflow: hidden; position: relative;}
.article-banner:after {content: ''; position: absolute; right: -70px; top: -80px; width: 280px; height: 280px; border-radius: 50%; background: rgba(255,255,255,.16);}
.article-banner h1 {font-size: 34px; font-weight: 600; line-height: 44px; margin-bottom: 10px; position: relative; z-index: 2;}
.article-banner p {font-size: 16px; line-height: 28px; opacity: .9; position: relative; z-index: 2;}
.article-layout {display: flex; align-items: flex-start; justify-content: space-between;}
.article-left {width: 820px;}
.article-right {width: 360px; margin-left: 24px;}
.article-card, .article-detail, .side-card {background: #fff; border-radius: 18px; box-shadow: 0 10px 30px rgba(0,0,0,.04);}
.article-card {padding: 24px 32px 28px;}
.article-item {display: block; padding: 24px 0; border-bottom: 1px solid #f0f0f0; text-align: left; color: inherit; cursor: pointer; transition: background .2s ease, transform .2s ease;}
.article-item:hover {color: inherit; }
.article-item:last-child {border-bottom: none;}
.article-item__cover {display: block; width: 100%; height: 220px; object-fit: cover; border-radius: 14px; margin-bottom: 16px;}
.article-item__title {font-size: 21px; font-weight: 600; color: #222; line-height: 32px; margin-bottom: 10px; transition: color .2s ease;}
.article-item:hover .article-item__title {color: #F8C20F;}
.article-item__summary {font-size: 15px; color: #666; line-height: 27px; margin-bottom: 14px;}
.article-item__meta {font-size: 13px; line-height: 20px; color: #999; display: flex; align-items: center; flex-wrap: wrap; gap: 6px 18px;}
.article-item__keywords {max-width: 620px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;}
.article-empty {padding: 110px 0; text-align: center; color: #999;}
.article-detail {padding: 40px 46px; text-align: left;}
.article-breadcrumb {font-size: 14px; color: #999; margin-bottom: 24px;}
.article-breadcrumb a {color: #777; display: inline-block;}
.article-breadcrumb a:hover {color: #F8C20F;}
.article-detail__title {font-size: 32px; font-weight: 600; color: #222; line-height: 46px; margin-bottom: 16px;}
.article-detail__meta {font-size: 13px; line-height: 20px; color: #999; display: flex; align-items: center; flex-wrap: wrap; gap: 6px 18px; padding-bottom: 22px; border-bottom: 1px solid #f0f0f0; margin-bottom: 26px;}
.article-detail__cover {display: block; width: 100%; max-height: 360px; object-fit: cover; border-radius: 16px; margin-bottom: 28px;}
.article-detail__summary {font-size: 15px; line-height: 28px; color: #666; background: #f8f8f8; border-radius: 14px; padding: 16px 20px; margin-bottom: 24px;}
.article-detail__tags {font-size: 14px; line-height: 22px; color: #777; background: #fff8df; border-radius: 14px; padding: 12px 18px; margin-bottom: 24px;}
.article-detail__content {font-size: 16px; color: #333; line-height: 30px; word-break: break-word;}
.article-detail__content p {margin-bottom: 18px;}
.article-detail__content h1, .article-detail__content h2, .article-detail__content h3, .article-detail__content h4, .article-detail__content h5, .article-detail__content h6 {font-weight: 500; margin: 28px 0 14px;}
.article-detail__content h1 {font-size: 26px; line-height: 38px;}
.article-detail__content h2 {font-size: 24px; line-height: 36px;}
.article-detail__content h3 {font-size: 22px; line-height: 34px;}
.article-detail__content h4, .article-detail__content h5, .article-detail__content h6 {font-size: 18px; line-height: 30px;}
.article-detail__content ul, .article-detail__content ol {padding-left: 24px; margin-bottom: 18px;}
.article-detail__content li {margin-bottom: 8px;}
.article-detail__content img {display: block; max-width: 100%; height: auto; border-radius: 12px; margin: 22px auto;}
.article-detail__content blockquote {margin: 22px 0; padding: 14px 18px; color: #666; background: #f8f8f8; border-left: 4px solid #F8C20F; border-radius: 8px;}
.article-detail__content table {width: 100%; margin: 22px 0; border-collapse: collapse;}
.article-detail__content th, .article-detail__content td {padding: 10px 12px; border: 1px solid #eee;}
.article-detail__content a {display: inline-block; color: #000;}
.side-card {padding: 22px 24px; margin-bottom: 24px; text-align: left;}
.side-title {font-size: 19px; font-weight: 600; color: #222; line-height: 28px; margin-bottom: 16px; padding-left: 14px; position: relative;}
.side-title:before {content: ''; position: absolute; left: 0; top: 5px; width: 4px; height: 18px; border-radius: 2px; background: #F8C20F;}
.side-list__item {display: flex; padding: 13px 0; border-bottom: 1px solid #f4f4f4;}
.side-list__item:last-child {border-bottom: none; padding-bottom: 0;}
.side-list__num {width: 24px; height: 24px; line-height: 24px; border-radius: 8px; color: #999; background: #f5f5f5; text-align: center; font-size: 13px; margin-right: 12px; flex-shrink: 0;}
.side-list__num.top {color: #fff; background: #F8C20F;}
.side-list__info {width: 276px;}
.side-list__name {font-size: 15px; line-height: 22px; max-height: 44px; overflow: hidden; margin-bottom: 6px;}
.side-list__name a {color: #333;}
.side-list__name a:hover {color: #F8C20F;}
.side-list__desc {font-size: 13px; color: #999; line-height: 20px; max-height: 40px; overflow: hidden;}
.side-tags {display: flex; flex-wrap: wrap; margin-top: -8px;}
.side-tags span {height: 32px; line-height: 32px; padding: 0 14px; border-radius: 16px; background: #f5f5f5; color: #777; margin: 8px 8px 0 0; font-size: 13px;}
.side-ad {display: block; border-radius: 18px; overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,.04); background: #fff;}
.side-ad img {display: block; width: 100%; height: 150px; object-fit: cover; transition: transform .3s ease;}
.side-ad:hover img {transform: scale(1.04);}

.footer-container {margin-top: auto; text-align: center;}