:root{--teal: #0E7C86;--teal-dark: #0A5F67;--teal-soft: #E6F3F4;--maple: #C8322B;--maple-soft: #FCEDEC;--ink: #14262D;--ink-2: #3D525A;--muted: #6B7D84;--line: #E1E8EB;--bg: #F6F8F9;--surface: #FFFFFF;--radius: 16px;--shadow: 0 1px 2px rgba(20, 38, 45, .04), 0 8px 24px rgba(20, 38, 45, .06);color-scheme:light}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,Noto Sans SC,PingFang SC,Microsoft YaHei,system-ui,-apple-system,Segoe UI,sans-serif;font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}.lang-zh{font-family:Noto Sans SC,PingFang SC,Microsoft YaHei,Inter,system-ui,sans-serif}h1,h2,h3,h4{margin:0;letter-spacing:-.02em}.lang-zh h1,.lang-zh h2,.lang-zh h3{letter-spacing:0}.wrap-inner{max-width:1120px;margin:0 auto;padding-inline:24px}@media (max-width: 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