:root{color-scheme:light;--bg: #fbfbfd;--surface: #ffffff;--surface-2: #f5f5f7;--surface-3: #ececef;--text: #1d1d1f;--text-2: #6e6e73;--text-3: #86868b;--border: rgba(0, 0, 0, .1);--border-2: rgba(0, 0, 0, .16);--accent: #0071e3;--accent-hover: #0077ed;--accent-solid: #0067d0;--accent-solid-hover: #0073e6;--accent-tint: rgba(0, 113, 227, .1);--on-accent: #ffffff;--success: #1a8a4e;--header-bg: rgba(251, 251, 253, .72);--shadow-card: 0 2px 10px rgba(0, 0, 0, .04);--shadow-hover: 0 18px 40px rgba(0, 0, 0, .12);--radius: 18px;--radius-sm: 12px;--maxw: 1000px;--ease: cubic-bezier(.16, 1, .3, 1)}:root[data-theme=dark]{color-scheme:dark;--bg: #0a0a0c;--surface: #161619;--surface-2: #1d1d21;--surface-3: #26262b;--text: #f5f5f7;--text-2: #a1a1a6;--text-3: #86868b;--border: rgba(255, 255, 255, .12);--border-2: rgba(255, 255, 255, .22);--accent: #2997ff;--accent-hover: #47a6ff;--accent-solid: #0a6fd4;--accent-solid-hover: #2a86e8;--accent-tint: rgba(41, 151, 255, .15);--on-accent: #ffffff;--success: #30d158;--header-bg: rgba(10, 10, 12, .7);--shadow-card: 0 2px 12px rgba(0, 0, 0, .4);--shadow-hover: 0 20px 46px rgba(0, 0, 0, .55)}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,SF Pro Display,system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;letter-spacing:-.01em}:root.theme-anim,:root.theme-anim *,:root.theme-anim *:before,:root.theme-anim *:after{transition:background-color .45s ease,color .45s ease,border-color .45s ease,fill .45s ease!important}.site-header{position:sticky;top:0;z-index:100;background:var(--header-bg);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid transparent;transition:border-color .3s ease,box-shadow .3s 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