:root{--primary:#4f46e5;--primary-light:#818cf8;--primary-bg:#eef2ff;--text:#111827;--text-secondary:#4b5563;--text-light:#9ca3af;--bg:#fafafa;--white:#fff;--border:#e5e7eb;--border-light:#f3f4f6;--code-bg:#1e1e2e;--code-text:#cdd6f4;--shadow-sm:0 1px 2px #0000000a;--shadow-md:0 4px 16px #0000000f;--shadow-lg:0 8px 32px #00000014;--radius:12px;--radius-sm:8px;--transition:.2s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,PingFang SC,Noto Sans SC,Microsoft YaHei,sans-serif;line-height:1.75}a{color:var(--primary);transition:color var(--transition);text-decoration:none}a:hover{color:var(--primary-light)}.site-header{-webkit-backdrop-filter:blur(16px)saturate(180%);border-bottom:1px solid var(--border-light);z-index:100;background:#ffffffd9;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;max-width:960px;margin:0 auto;padding:14px 24px;display:flex}.site-logo{color:var(--text);align-items:center;gap:8px;font-size:18px;font-weight:700;display:flex}.logo-icon{color:var(--primary);font-size:14px}.site-nav a{color:var(--text-secondary);margin-left:28px;font-size:14px;font-weight:500;position:relative}.site-nav a:after{content:"";background:var(--primary);width:0;height:2px;transition:width var(--transition);border-radius:1px;position:absolute;bottom:-2px;left:0}.site-nav a:hover{color:var(--primary)}.site-nav a:hover:after{width:100%}.hero{color:#fff;background:linear-gradient(135deg,#312e81 0%,#4f46e5 50%,#7c3aed 100%);position:relative;overflow:hidden}.hero:before{content:"";background:radial-gradient(circle,#ffffff14 0%,#0000 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var(--transition);cursor:pointer;padding:28px 32px;position:relative}.post-card:hover{border-color:var(--primary-light);box-shadow:var(--shadow-md);transform:translateY(-2px)}.post-card h2{margin-bottom:8px;font-size:18px;font-weight:600}.post-card h2 a{color:var(--text)}.post-card h2 a:hover{color:var(--primary);text-decoration:none}.post-meta{color:var(--text-light);flex-wrap:wrap;align-items:center;gap:4px;margin-bottom:12px;font-size:13px;display:flex}.meta-author{color:var(--text-secondary);font-weight:500}.tag{background:var(--primary-bg);color:var(--primary);border-radius:20px;margin-left:4px;padding:2px 10px;font-size:12px;font-weight:500;display:inline-block}.excerpt{color:var(--text-secondary);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:14px;line-height:1.7;display:-webkit-box;overflow:hidden}.sidebar{position:sticky;top:72px}.widget{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:16px;padding:20px}.widget 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20px}.article>h1{font-size:22px}.header-inner{flex-direction:column;gap:10px;padding:12px 20px}.site-nav a{margin-left:16px}.post-card{padding:20px}.post-nav{flex-direction:column}.post-nav a{max-width:100%}}