body {
    background-color: #f5f6f7;
}

.content-left {
    background: #fff;
    border-radius: 8px;
    padding: 40px;
}

.main-body {
    gap: 30px;
}

.breadcrumb a {
    color: var(--primary-blue);
}

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

/* 文章标题 */
.article-title {
    font-size: 32px;
    font-weight: 800;
    line-height: 1.4;
    margin-bottom: 20px;
    color: #1d1d1f;
}

/* 文章元数据 */
.article-meta {
    display: flex;
    gap: 30px;
    font-size: 14px;
    color: #666;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.meta-item i {
    color: #bbb;
}

.author-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    padding: 2px;
}

/* 文章内容 */
.article-content {
    line-height: 1.8;
    font-size: 16px;
    color: #333;
    overflow: hidden;
}

.article-content p {
    margin-bottom: 20px;
    text-align: justify;
}

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

.article-content p strong {
    color: #1d1d1f;
    font-weight: 600;
}

.article-content h3 {
    font-size: 20px;
    font-weight: 700;
    margin: 30px 0 15px 0;
    color: #1d1d1f;
}

/* 相关推荐区域 */
.related-section {
    margin-top: 40px;
    padding-top: 30px;
    padding-bottom: 20px;
    border-top: 1px solid #eee;
    background: #fff;
}

.related-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 15px;
    color: #1d1d1f;
    padding: 0 20px;
}

.related-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 0 20px;
}

.related-item {
    display: flex;
    gap: 12px;
    padding: 12px;
    cursor: pointer;
    transition: all 0.2s;
    background: #fff;
    border: 1px solid #EBEDF0;
    border-radius: 6px;
}

.related-item:hover {
    transform: none;
    border-color: var(--primary-blue);
    background: var(--hover-bg-blue);
}

.related-item-img {
    width: 100px;
    height: 70px;
    border-radius: 3px;
    overflow: hidden;
    background: #f0f0f0;
    flex-shrink: 0;
}

.related-item-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.related-item:hover .related-item-img img {
    transform: scale(1.05);
}

.related-item-title {
    font-size: 12px;
    font-weight: 600;
    line-height: 1.35;
    color: #333;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-item-title:hover {
    color: var(--primary-blue);
}

.related-item-meta {
    display: flex;
    gap: 8px;
    font-size: 10px;
    color: #bbb;
    margin-top: auto;
}

.related-item-info {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex: 1;
    min-width: 0;
}

/* 面包屑导航 */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: #999;
    margin-bottom: 20px;
}

/* 宣传卡片 */
.promo-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 8px;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 25px;
    color: #fff;
}

.promo-content {
    flex: 1;
}

.promo-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.3;
}

.promo-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 11px;
}

.promo-features span {
    background: rgba(255, 255, 255, 0.2);
    padding: 4px 8px;
    border-radius: 3px;
    white-space: nowrap;
}

.promo-cta {
    font-size: 12px;
    background: rgba(255, 255, 255, 0.3);
    padding: 8px 12px;
    border-radius: 3px;
    text-align: center;
    font-weight: 600;
}

.promo-qr {
    width: 80px;
    height: 80px;
    background: #fff;
    border-radius: 4px;
    overflow: hidden;
    flex-shrink: 0;
}

.promo-qr img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sidebar-section {
    margin-bottom: 30px;
    background: #fff;
    border-radius: 8px;
    padding: 20px;
}

.sidebar-section:first-of-type {
    margin-bottom: 25px;
}

/* 文章信息卡片 */
.article-info {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 8px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    color: #fff;
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
}

.info-label {
    color: rgba(255, 255, 255, 0.8);
}

.info-value {
    color: #fff;
    font-weight: 600;
}

/* 分享按钮 */
.share-buttons {
    display: flex;
    gap: 12px;
    margin-top: 15px;
}

.share-btn {
    flex: 1;
    height: 36px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.1);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: #fff;
    font-weight: 500;
    transition: all 0.2s;
}

.share-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.sidebar-title {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 20px;
    color: #111;
}

/* 热点新闻 */
.daily-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.daily-card {
    display: flex;
    gap: 12px;
    padding: 16px;
    background: #fff;
    border: 1px solid #f2f2f2;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    align-items: flex-start;
}

.daily-card:hover {
    border-color: var(--primary-blue);
    background-color: var(--hover-bg-blue);
    box-shadow: 0 4px 12px rgba(40, 103, 255, 0.1);
}

.rank-tag {
    font-size: 16px;
    font-weight: bold;
    line-height: 1.4;
    min-width: 20px;
}

.daily-text {
    font-size: 14px;
    color: #333;
    line-height: 1.5;
    font-weight: 500;
}

.daily-card:hover .daily-text {
    color: var(--primary-blue);
}

.rank-1 {
    color: #ff9a00;
}

.rank-2 {
    color: #2867ff;
}

.rank-3 {
    color: #00b578;
}

.rank-common {
    color: #ccc;
    font-weight: normal;
    font-size: 14px;
}

/* Sidebar 宽度微调 */
.content-right {
    width: 340px;
}