:root{--bg:#0b1118;--panel:#101923;--panel2:#14212d;--line:rgba(95,199,255,.24);--accent:#5fc7ff;--accent2:#8be0ff;--text:#ecf7ff;--muted:#9cb1c2;--deep:#071018;--radius:14px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at top,#122232 0,#0b1118 38%,#081018 100%);color:var(--text);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.78;overflow-x:hidden}a{color:inherit}.site-header{position:sticky;top:0;z-index:9999;background:rgba(7,16,24,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}.header-inner{max-width:1180px;min-height:68px;margin:auto;padding:0 18px;display:flex;align-items:center;gap:14px}.site-logo{display:flex;align-items:center;text-decoration:none;min-width:150px}.site-logo img,.drawer-logo img,.footer-brand 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