:root{--color-bg: #ffffff;--color-text: #1f2328;--color-text-secondary: #656d76;--color-text-muted: #8b949e;--color-accent: #0969da;--color-accent-hover: #0550ae;--color-border: #d0d7de;--color-border-light: #e8ecf0;--color-card-bg: #f6f8fa;--color-card-hover: #eef1f5;--max-width: 720px;--max-width-wide: 960px;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif;--font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;--line-height: 1.7}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-sans);line-height:var(--line-height);color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased}.container{max-width:var(--max-width-wide);margin:0 auto;padding:0 24px}nav{border-bottom:1px solid var(--color-border-light);background:#ffffffeb;backdrop-filter:blur(8px);position:sticky;top:0;z-index:100}.nav-inner{max-width:var(--max-width-wide);margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between}.nav-logo{font-weight:700;font-size:1.15rem;color:var(--color-text);text-decoration:none}.nav-links{display:flex;list-style:none;gap:24px;align-items:center}.nav-links a{color:var(--color-text-secondary);text-decoration:none;font-size:.95rem;transition:color .2s}.nav-links a:hover{color:var(--color-accent)}.hero{padding:72px 0 48px}.hero h1{font-size:2.4rem;font-weight:800;letter-spacing:-.02em}.hero p{margin-top:16px;color:var(--color-text-secondary);font-size:1.1rem;max-width:560px}.section{padding:40px 0}.section-title{font-size:1.3rem;font-weight:700;margin-bottom:24px;padding-bottom:12px;border-bottom:1px solid var(--color-border-light)}.post-item{display:block;padding:20px 0;border-bottom:1px solid var(--color-border-light);text-decoration:none;color:inherit}.post-item:hover .post-title{color:var(--color-accent)}.post-title{font-size:1.1rem;font-weight:600;transition:color .2s}.post-meta{margin-top:6px;font-size:.85rem;color:var(--color-text-muted)}.post-excerpt{margin-top:8px;font-size:.95rem;color:var(--color-text-secondary)}.article{max-width:var(--max-width);margin:0 auto;padding:48px 24px 80px}.article h1{font-size:2rem;font-weight:800;letter-spacing:-.02em;line-height:1.3;margin-bottom:16px}.article .article-meta{display:flex;gap:12px;align-items:center;font-size:.85rem;color:var(--color-text-muted);padding-bottom:24px;margin-bottom:32px;border-bottom:1px solid var(--color-border-light)}.article .prose{font-size:1.02rem;line-height:1.8}.article .prose h2{font-size:1.4rem;font-weight:700;margin:40px 0 16px;padding-bottom:8px;border-bottom:1px solid var(--color-border-light)}.article .prose h3{font-size:1.15rem;font-weight:700;margin:32px 0 12px}.article .prose p{margin:16px 0}.article .prose strong{font-weight:600}.article .prose a{color:var(--color-accent)}.article .prose img{max-width:100%;margin:24px auto;display:block;border-radius:8px;border:1px solid var(--color-border-light)}.article .prose ul,.article .prose ol{margin:16px 0 16px 28px}.article .prose li{margin:6px 0}.article .prose code{font-family:var(--font-mono);font-size:.9em;background:var(--color-card-bg);padding:2px 6px;border-radius:4px}.article .prose pre{background:var(--color-card-bg);border:1px solid var(--color-border-light);border-radius:8px;padding:16px;overflow-x:auto;margin:16px 0}.article .prose pre code{background:none;padding:0;font-size:.88rem}.article .prose blockquote{border-left:4px solid var(--color-accent);padding:4px 16px;color:var(--color-text-secondary);margin:16px 0;background:var(--color-card-bg);border-radius:0 8px 8px 0}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}.card{background:var(--color-card-bg);border:1px solid var(--color-border-light);border-radius:10px;padding:24px;transition:all .2s;text-decoration:none;color:var(--color-text);display:block}.card:hover{background:var(--color-card-hover);border-color:var(--color-border);transform:translateY(-2px)}.card-title{font-size:1.05rem;font-weight:600;margin-bottom:8px}.card-desc{font-size:.9rem;color:var(--color-text-secondary);line-height:1.5}.card-price{display:inline-block;margin-top:12px;font-size:.85rem;font-weight:600;color:var(--color-accent)}.service-header{padding:60px 0 40px}.service-header h1{font-size:2rem;font-weight:700;margin-bottom:16px}.service-header p{color:var(--color-text-secondary);font-size:1.05rem;max-width:560px}footer{border-top:1px solid var(--color-border-light);padding:32px 0;color:var(--color-text-muted);font-size:.85rem}.footer-inner{max-width:var(--max-width-wide);margin:0 auto;padding:0 24px;display:flex;justify-content:space-between;align-items:center}.footer-links a{color:var(--color-text-secondary);text-decoration:none;margin-left:16px}.footer-links a:hover{color:var(--color-accent)}.footer-icp{max-width:var(--max-width-wide);margin:12px auto 0;padding:0 24px;text-align:center}.footer-icp a{color:var(--color-text-muted);text-decoration:none;font-size:.8rem}.footer-icp a:hover{color:var(--color-accent)}@media(max-width:640px){.nav-links{gap:14px}.nav-links a{font-size:.82rem}.card-grid{grid-template-columns:1fr}.footer-inner{flex-direction:column;gap:12px;text-align:center}}