:root{--navy: #0B2A5B;--electric: #1E6FFF;--teal: #00C2A8;--ink: #0F1B2D;--muted: #5B6B82;--border: #E3E8F0;--bg-soft: #F5F7FA;--white: #FFFFFF;--maxw: 1200px;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", sans-serif;--font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font-sans);color:var(--ink);background:var(--white);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{font-family:inherit;cursor:pointer}.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px}@media (max-width: 768px){.container{padding:0 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