:root{--bg:#070b14;--panel:#0b1326;--panel2:#101a31;--line:rgba(255,255,255,.1);--text:#f8fafc;--muted:#94a3b8;--dim:#64748b;--accent:#72f2c5;--blue:#6ca9ff;--danger:#ff7f87;--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,"Noto Sans SC","PingFang SC",sans-serif;line-height:1.65}body:before{content:"";position:fixed;inset:0;pointer-events:none;background:radial-gradient(circle at 80% -10%,rgba(73,120,255,.18),transparent 34%),radial-gradient(circle at 5% 30%,rgba(65,233,186,.08),transparent 28%);z-index:-1}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}.wrap{width:min(var(--max),calc(100% - 40px));margin:auto}.nav{height:72px;position:sticky;top:0;z-index:20;background:rgba(7,11,20,.86);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.nav 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