:root{--blue:#0071ff;--pink:#ff00b8;--orange:#ffb800;--green:#5bff00;--black:#050508;--white:#fff;--muted:#d8d8e8;--card:rgba(255,255,255,.08);--glass:rgba(255,255,255,.12)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,'Microsoft YaHei','PingFang SC',sans-serif;background:radial-gradient(circle at 10% 0,var(--blue),transparent 28%),radial-gradient(circle at 90% 10%,var(--pink),transparent 24%),linear-gradient(135deg,#050508 0%,#101022 48%,#050508 100%);color:var(--white);overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.wrap{width:min(1180px,92vw);margin:auto}.topbar{position:sticky;top:0;z-index:50;background:rgba(5,5,8,.78);backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.16)}.nav{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 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