@font-face{font-family:OPPOSans Latin;font-weight:400;font-display:swap;src:url(/fonts/OPPOSans-Latin.woff2) format("woff2")}@font-face{font-family:OPPOSans Regular;font-weight:400;font-display:swap;src:url(/fonts/OPPOSans-Regular.woff2) format("woff2")}@font-face{font-family:OPPOSans Medium;font-weight:500;font-display:swap;src:url(/fonts/OPPOSans-Medium.woff2) format("woff2")}:root{--bg: #f7f8fa;--surface: #ffffff;--text: #13213c;--muted: #546478;--line: #dde2e8;--accent: #223a66;--link: #0066cc;--link-hover: #004d99;--link-underline: #0066cc;--link-muted: #2997ff;--page-max: 1440px;--page-gutter: 1.5rem;--page-gutter-lg: 80px;--max-width: var(--page-max);--max-width-wide: var(--page-max);--f-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Helvetica Neue", Helvetica, "Segoe UI", "OPPOSans Medium", "OPPOSans Regular", "OPPOSans Latin", Arial, sans-serif;--f-head: var(--f-sans);--f-body: var(--f-sans);--nav-h: 56px;--nav-bg: #232a35;--nav-fg: 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