:root{--bg: #0a1220;--bg-soft: #101c31;--bg-card: #14243c;--line: #22385a;--text: #e8eef8;--text-dim: #9db0cb;--accent: #29d3c0;--accent-2: #4d8dff;--radius: 14px;--maxw: 1040px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", Roboto, Helvetica, Arial, sans-serif;--mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(1200px 600px at 85% -10%,#16305a 0%,transparent 60%),var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:1rem;top:1rem;z-index:99;background:var(--accent);color:#03202a;padding:.4rem 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