:root{--bg:#07131d;--panel:#0d202c;--panel2:#112c3a;--ink:#ecf8f5;--muted:#9db3b8;--line:rgba(159,224,220,.2);--cyan:#75e6df;--orange:#ff9d5c;--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",sans-serif;line-height:1.7}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}.wrap{width:min(var(--max),calc(100% - 44px));margin:0 auto}.site-header{position:absolute;top:0;left:0;right:0;z-index:5;border-bottom:1px solid rgba(255,255,255,.14);background:linear-gradient(180deg,rgba(3,12,19,.8),transparent)}.header-inner{height:76px;display:flex;align-items:center;gap:36px}.logo{display:flex;align-items:center;gap:10px;font-weight:900;letter-spacing:.1em;white-space:nowrap}.logo-mark{display:grid;place-items:center;width:32px;height:32px;border:1px solid var(--cyan);color:var(--cyan);font-weight:900}.logo 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