:root{--bg:#07111f;--panel:#101d31;--line:rgba(149,170,210,.18);--line2:rgba(149,170,210,.34);--text:#eef5ff;--muted:#93a4bd;--blue:#536dfe;--cyan:#35cfff;--purple:#7c4dff;--gold:#f6c65b;--green:#39d98a;--orange:#ffb24a;--radius:18px}*{box-sizing:border-box}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--text);line-height:1.65;background:radial-gradient(circle at 80% 0%,rgba(83,109,254,.25),transparent 28rem),radial-gradient(circle at 12% 4%,rgba(53,207,255,.14),transparent 24rem),linear-gradient(180deg,#07111f,#091426 52%,#050a13)}a{text-decoration:none;color:inherit}.container{width:min(1180px,calc(100% - 40px));margin:auto}.site-header{position:sticky;top:0;z-index:30;background:rgba(5,12,24,.82);backdrop-filter:blur(18px);border-bottom:1px solid 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