.subpage-top{position:sticky;top:0;background:rgba(10,10,15,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--line,hsla(0,0%,100%,.08));z-index:50}.subpage-top-in{max-width:1080px;margin:0 auto;padding:18px 32px;display:flex;align-items:center;justify-content:space-between;gap:12px}.subpage-back{font-size:13px;color:var(--sub,rgba(238,240,255,.55));border:1px solid var(--line,hsla(0,0%,100%,.08));padding:8px 16px;border-radius:99px;transition:.2s;white-space:nowrap;text-decoration:none}.subpage-back:hover{border-color:var(--pink,#ff007a);color:var(--text,#eef0ff)}@media (max-width:640px){.subpage-top-in{padding:14px 18px}}