/* 每日AI快讯 - 卡片式简洁风格 */
body{font-family:-apple-system,BlinkMacSystemFont,"Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif;background:#f6f7f9;color:#333;margin:0}
a{color:#0066ff;text-decoration:none}
.ai-news-container{display:flex;gap:24px;max-width:1200px;margin:24px auto;padding:0 16px}
.left-panel{flex:2}
.right-panel{flex:1}
.date-nav{font-size:20px;font-weight:600;margin-bottom:16px;color:#111}
.news-list{list-style:none;margin:0;padding:0}
.news-item{background:#fff;border-left:4px solid #0078ff;padding:16px;margin-bottom:16px;border-radius:4px;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.news-time{font-size:12px;color:#999;margin-bottom:6px}
.news-item h3{font-size:17px;margin:6px 0}
.news-item p{font-size:14px;color:#555;line-height:1.6;margin:6px 0}
.source{font-size:12px;color:#888}
.search-box input{width:100%;padding:10px 12px;font-size:14px;border:1px solid #ddd;border-radius:4px}
.tag-cloud h4,.hot-news h4{font-size:16px;margin:20px 0 10px}
.tag{display:inline-block;font-size:13px;background:#eef4ff;padding:4px 10px;margin:0 6px 6px 0;border-radius:3px}
.hot-news p{font-size:14px;margin:8px 0}
@media(max-width:900px){.ai-news-container{flex-direction:column}}