:root{--brand: #0da19e;--brand-dark: #0a8a88;--brand-light: #66c3c1;--brand-tint: #e6f5f4;--ink: #1c1917;--ink-soft: #44403c;--muted: #78716c;--stone-50: #fafaf9;--stone-100: #f5f5f4;--stone-200: #e7e5e4;--stone-300: #d6d3d1;--dark-section: #2e3433;--danger: #dc2626;--warning: #d97706;--success: #059669;--white: #ffffff;--radius: 10px;--radius-sm: 6px;--shadow: 0 1px 3px rgba(28, 25, 23, .08), 0 4px 16px rgba(28, 25, 23, .06);--shadow-lg: 0 8px 30px rgba(28, 25, 23, .12);--font: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", sans-serif;--maxw: 1200px}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:var(--font);color:var(--ink);background:var(--white);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}img{max-width:100%;display:block}a{color:var(--brand);text-decoration:none}a:hover{color:var(--brand-dark)}h1,h2,h3,h4{line-height:1.25;margin:0 0 .5em;color:var(--ink)}p{margin:0 0 1em}.container{max-width:var(--maxw);margin:0 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