:root{--text:#101624;--muted:#5d6778;--line:#e3e7ee;--soft:#f6f8fb;--accent:#c9362c;--teal:#174e57;--green:#35a85d;--shadow:0 18px 48px #1016241a;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", Arial, sans-serif}*{box-sizing:border-box}html,body{max-width:100vw;overflow-x:hidden}html{scroll-behavior:smooth}body{color:var(--text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#fbfcfe;margin:0;padding-bottom:118px}a{color:inherit;text-decoration:none}button,input{font:inherit}.nav{border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:10;background:#ffffffeb;justify-content:center;align-items:center;height:70px;display:flex;position:sticky;top:0}.navInner{align-items:center;gap:24px;width:min(1180px,100% - 32px);display:flex}.logo{letter-spacing:0;font-size:24px;font-weight:850}.logo span{color:var(--accent)}.navLink{color:#687386;font-size:15px;font-weight:700}.navSpacer{flex:1}.feedback{color:#fff;cursor:pointer;background:#111;border:0;border-radius:22px;align-items:center;gap:8px;padding:11px 18px;font-weight:800;display:inline-flex;box-shadow:0 12px 24px #d93a312e}main{width:min(1180px,100% - 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