:root{--bg:#0b1220;--bg-soft:#101a2e;--panel:#131f36;--panel-2:#182644;--line:rgba(148,187,233,0.14);--text:#e8eef8;--muted:#93a4c0;--blue:#2ea6e8;--blue-deep:#1b7fc4;--cyan:#4fd1c5;--green:#34d399;--red:#f87171;--amber:#fbbf24}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,Segoe UI,Roboto,sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.container{width:min(1120px,92%);margin:0 auto}.topbar{position:-webkit-sticky;position:sticky;top:0;z-index:50;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:rgba(11,18,32,.78);border-bottom:1px solid 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