:root{color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;--bg: #f3f6f8;--surface: #ffffff;--surface-subtle: #eef3f5;--text: #17222b;--muted: #64717d;--line: #dbe3e7;--brand: #0b8390;--brand-dark: #075e67;--green: #21845a;--green-soft: #e2f4eb;--red: #b73b48;--red-soft: #fbe8ea;--amber: #a86408;--amber-soft: #fff1d6;--shadow: 0 8px 24px rgba(28, 47, 58, .07)}*{box-sizing:border-box}html{max-width:100%;overflow-x:hidden}body{margin:0;min-width:320px;background:var(--bg);color:var(--text)}button{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}.app-shell{min-height:100vh;padding-bottom:78px}.site-header{position:sticky;top:0;z-index:10;border-bottom:1px solid var(--line);background:#fffffff5;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.header-inner{min-height:66px;padding:9px 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