*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary: #0f0f11;--bg-secondary: #1a1a1e;--bg-card: #1c1c20;--bg-card-hover: #242428;--bg-input: #1a1a1e;--code-bg: #0d1117;--sk-base: rgba(255, 255, 255, .09);--sk-highlight: rgba(255, 255, 255, .22);--text-hero: #f5f5f7;--text-primary: #d2d2d7;--text-secondary: #86868b;--text-muted: #515154;--accent: #2997ff;--accent-hover: #40a9ff;--accent-dim: rgba(41, 151, 255, .08);--accent-light: #6cb8ff;--accent-2: #7c5cff;--accent-ink: #2997ff;--accent-gradient: linear-gradient(135deg, #2997ff 0%, #7c5cff 100%);--glow-indigo: 0 0 0 3px rgba(41, 151, 255, .16);--bg-glass: rgba(28, 28, 32, .72);--glass-border: rgba(255, 255, 255, .08);--border: rgba(255,255,255,.06);--border-hover: rgba(255,255,255,.12);--shadow-sm: 0 1px 3px rgba(0,0,0,.3);--shadow-md: 0 4px 20px rgba(0,0,0,.35);--shadow-lg: 0 12px 40px rgba(0,0,0,.5);--radius: 12px;--radius-sm: 8px;--radius-lg: 18px;--ease: cubic-bezier(.25, .1, .25, 1);--font-sans: "Inter", "Noto Sans SC", -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;--font-mono: "JetBrains Mono", "SF Mono", "Cascadia Code", "Consolas", "Courier New", monospace;--font-display: "Space Grotesk", "Inter", "Noto Sans SC", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;--sidebar-width: 240px;--content-max-width: 720px}[data-theme=light]{--bg-primary: #f5f5f7;--bg-secondary: #e8e8ed;--bg-card: #ffffff;--bg-card-hover: #fafafa;--bg-input: #f0f0f4;--code-bg: #ffffff;--sk-base: rgba(0, 0, 0, .09);--sk-highlight: rgba(0, 0, 0, .2);--text-hero: #1d1d1f;--text-primary: #3a3a3c;--text-secondary: #6e6e73;--text-muted: #aeaeb2;--accent: #0071e3;--accent-hover: #0077ed;--accent-dim: rgba(0, 113, 227, .06);--accent-light: #0a84ff;--accent-2: #6a4cff;--accent-ink: #0062c9;--accent-gradient: linear-gradient(135deg, #0071e3 0%, #6a4cff 100%);--glow-indigo: 0 0 0 3px rgba(0, 113, 227, .14);--bg-glass: rgba(255, 255, 255, .72);--glass-border: rgba(0, 0, 0, .08);--border: rgba(0,0,0,.06);--border-hover: rgba(0,0,0,.12);--shadow-sm: 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 16px rgba(0,0,0,.06);--shadow-lg: 0 12px 36px rgba(0,0,0,.1)}html{font-size:16px;scroll-behavior:smooth;background:var(--bg-primary)}body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);line-height:1.7;overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;transition:background .4s ease,color .4s ease}a{color:inherit;text-decoration:none}button{font-family:inherit}::selection{background:#2997ff40;color:var(--text-hero)}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}.icon{display:block;flex-shrink:0}.icon-spin{animation:spin .9s linear infinite}.sidebar{position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-width);z-index:100;background:var(--bg-secondary);border-right:1px solid 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h2{font-size:1.25rem;font-weight:650;color:var(--text-hero);letter-spacing:-.2px}.more-link{font-size:.82rem;color:var(--accent);font-weight:500;transition:opacity .2s}.more-link:hover{opacity:.8}.card-grid{display:flex;flex-direction:column;gap:10px}.post-card{position:relative;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);transition:all .25s ease;overflow:hidden}.post-card:hover{border-color:var(--border-hover);box-shadow:var(--shadow-md);transform:translateY(-1px)}.post-card.pinned{border-color:#2997ff4d}.post-card>a{display:block;padding:22px 28px;color:inherit}.card-bookmark{position:absolute;top:0;right:22px;z-index:1;width:26px;height:36px;padding-top:7px;display:flex;align-items:flex-start;justify-content:center;background:var(--accent-gradient);color:#fff;clip-path:polygon(0 0,100% 0,100% 100%,50% 72%,0 100%);box-shadow:0 4px 14px 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