*{margin:0;padding:0;box-sizing:border-box}a{text-decoration:none;transition:all 0.3s cubic-bezier(0.4,0,0.2,1)}html,body{background:#0a0a0a;position:relative;width:100%;height:100%;font-family:"PingFang SC","Microsoft Yahei",sans-serif;overflow:hidden}.bg-decoration{position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at 30% 20%,rgba(25,195,255,0.1),transparent 60%),radial-gradient(circle at 70% 80%,rgba(0,147,255,0.08),transparent 60%);z-index:0}.centerBox{position:absolute;z-index:1;width:100%;height:100%;color:#ffffff;display:flex;flex-direction:column;justify-content:center}.center-list{width:70%;margin:0 auto;padding:0 20px}.centerBody{width:100%;text-align:center}.logo-wrap{margin-bottom:2.5rem}.build-img{max-width:280px;height:auto;margin:0 auto 1rem;filter:drop-shadow(0 0 15px rgba(25,195,255,0.2))}.build-title{font-size:1.5rem;color:#19c3ff;font-weight:500;margin-bottom:0.5rem}.btn-p{margin:1.8rem 0 2rem;display:flex;gap:1.2rem;justify-content:center;flex-wrap:wrap}.btn-link{font-size:14px;color:#ffffff;padding:0.8rem 2rem;border-radius:30px;background:rgba(29,29,29,0.6);border:1px solid rgba(89,129,183,0.3);display:inline-flex;align-items:center;gap:8px;min-width:140px;justify-content:center;box-shadow:0 4px 12px rgba(0,0,0,0.15)}.btn-link:hover{color:#ffffff;background:linear-gradient(90deg,#19c3ff,#0093ff);border-color:transparent;transform:translateY(-2px);box-shadow:0 6px 18px rgba(25,195,255,0.25)}.txt-w{font-size:1.1rem;color:#e0e0e0;letter-spacing:2px;margin-bottom:3rem}.footer{position:fixed;bottom:20px;width:100%;z-index:1}.center-footer{width:70%;margin:0 auto;padding:0 20px}.footer .banquan{text-align:center;font-size:12px;color:#888e96;line-height:1.6}.footer-link{color:#a0a6ad}.footer-link:hover{color:#19c3ff}.separator{margin:0 8px;color:#6a7179}@media screen and (max-width:950px){.center-list{width:90%}.center-footer{width:90%}.build-img{max-width:220px}.build-title{font-size:1.2rem}.btn-p{gap:1rem}.btn-link{padding:0.7rem 1.5rem;min-width:120px}.txt-w{font-size:1rem}}@media screen and (max-width:480px){.btn-p{flex-direction:column;align-items:center}.btn-link{width:80%}.footer{bottom:15px}.banquan{font-size:11px}}