*{margin:0;padding:0;box-sizing:border-box}
body{background:#05070d;color:#fff;font-family:Arial}
a{text-decoration:none;color:#fff}
.container{width:1400px;margin:auto}
.top{padding:24px 0;border-bottom:1px solid rgba(255,255,255,.08)}
.logo{font-size:52px;font-weight:900;color:#ff2d2d}
.logo span{color:#fff;font-size:40px}
.sub{color:#888;margin-top:6px}
.nav{display:flex;gap:40px;padding:22px 0;font-size:28px}
.nav a:hover,.active{color:#ff3434}
.hero{display:grid;grid-template-columns:2fr 1fr;gap:24px}
.banner img{width:100%;border-radius:18px}
.card{background:#0d111a;border-radius:18px;padding:22px}
.match{display:flex;justify-content:space-between;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.08)}
.grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:24px;margin-top:24px}
.news{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.08)}
.news img{width:120px;height:70px;border-radius:10px}
.title{font-size:32px;font-weight:700;margin-bottom:18px}
.footer{margin-top:50px;padding:40px 0;color:#999;text-align:center}
.seo{margin-top:30px;line-height:1.9;color:#c8d1df}


/* merged responsive optimization */
body{min-width:320px}
.top{display:flex;align-items:center;justify-content:space-between;gap:30px}
.top:after{content:"搜索赛事、球队、球员";display:block;width:420px;max-width:42vw;border:1px solid rgba(255,255,255,.12);border-radius:28px;padding:15px 24px;color:#777}
.nav{overflow-x:auto;white-space:nowrap}
.banner{position:relative;overflow:hidden;border-radius:18px}
.banner:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.55),rgba(0,0,0,.05))}
.card{box-shadow:0 12px 35px rgba(0,0,0,.28);border:1px solid rgba(255,255,255,.06)}
.match span:first-child{line-height:1.5}
@media(max-width:1450px){.container{width:94%}.logo{font-size:42px}.logo span{font-size:32px}.nav{font-size:20px;gap:28px}}
@media(max-width:980px){.hero,.grid{grid-template-columns:1fr}.top{display:block}.top:after{margin-top:16px;width:auto;max-width:none}.nav{font-size:18px}.logo{font-size:36px}.logo span{font-size:28px}}
@media(max-width:640px){.title{font-size:24px}.card{padding:16px}.news img{width:96px;height:60px}.logo{font-size:30px}.logo span{font-size:24px}}