:root{--fcl-green:#55b863;--fcl-green-strong:#3fa14d;--fcl-green-soft:#e9f5eb;--fcl-ink:#152019;--fcl-ink-2:#243027;--fcl-bg:#f5f7f4;--fcl-paper:#ffffff;--fcl-line:#dce4dd;--fcl-muted:#68736b;--fcl-dark:#141b17;--fcl-dark-2:#1d2721;--fcl-dark-line:#35443a;--fcl-radius:16px;--fcl-shadow:0 2px 8px rgba(18,30,21,0.08);--fcl-width:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth;color-scheme:light}body{margin:0;color:var(--fcl-ink);background:var(--fcl-bg);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;line-height:1.65;overflow-x:hidden}button,input,select,textarea{font:inherit}a{color:inherit}img{display:block;max-width:100%;height:auto}figure{margin:0}h1,h2,h3,p{margin-top:0}h1,h2,h3,.fcl-brand,.fcl-btn,.fcl-nav a{letter-spacing:0}:focus-visible{outline:3px solid rgba(85,184,99,0.5);outline-offset:3px}.fcl-shell{width:min(calc(100% - 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