:root{--bg:#0a0c10;--bg2:#0e1116;--panel:#141920;--line:#232b35;--tx:#e7edf5;--tx2:#8f9dae;--acc:#4d9fff;--acc2:#ff4d7e;--acc3:#46e3b3;--mono:ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;--sans:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{background:var(--bg);color:var(--tx);font-family:var(--sans);-webkit-font-smoothing:antialiased;margin:0;line-height:1.65}a{color:var(--acc);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{letter-spacing:-.01em;margin:0;line-height:1.25}canvas{touch-action:none;display:block}.hero{background:radial-gradient(120% 80% at 70% 10%, #16202c 0%, var(--bg) 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