.back-to-top{z-index: 999;position:fixed;bottom:200px;right:30px;width:40px;height:40px;background-color:#006ab7;color:#fff;border:none;border-radius:50%;cursor:pointer;font-size:24px;display:none;align-items:center;justify-content:center;text-align:center}.back-to-top:hover{background-color:#006ab7}
.sport-news{width:100%;display:flex;gap:15px;margin-top:20px;padding:10px;background:#fff;border-radius:8px;box-sizing:border-box;box-shadow:0 2px 8px rgba(0,0,0,.08)}
.sport-news-left{width:65%;height:300px;position:relative;overflow:hidden;background:#000}
.sport-news-left a{display:block;width:100%;height:100%}
.sport-news-left img{width:100%;height:100%;object-fit:cover;display:block}
.sport-news-title{position:absolute;bottom:0;left:0;width:100%;padding:15px;box-sizing:border-box;background:rgba(0,0,0,.65);color:#fff;font-size:22px;line-height:32px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.sport-news-right{width:35%}
.sport-news-right ul{margin:0;padding:0;list-style:none}
.sport-news-right li{height:40px;line-height:40px;border-bottom:1px solid #eee;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.sport-news-right a{color:#555;font-size:15px;text-decoration:none}
.sport-news-right li:first-child a{font-size:18px;font-weight:bold;color:#222}
.sport-news-right a:hover{color:#ff3333}
@media(max-width:768px){
.sport-news{display:block;margin-top:15px}
.sport-news-left{width:100%;height:auto;aspect-ratio:16/9}
.sport-news-title{font-size:16px;line-height:25px;padding:10px}
.sport-news-right{display:none}
}