@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600&display=swap');:root{--bg:#ffffff;--page-bg:#f7f8fb;--accent:#2b6cb0;--muted:#6b7280;--maxw:980px;--card-shadow:0 6px 18px rgba(11,15,30,0.06);--ui-radius:10px;--gap:20px;--code-bg:#0b1220;--code-color:#fff}*{box-sizing:border-box}html,body{height:100%;margin:0;background:var(--page-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:#0f172a}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:var(--maxw);margin:0 auto;padding:0 1rem}.site{display:flex;flex-direction:column;min-height:100vh}.site-header{background:var(--bg);border-bottom:1px solid #e9edf0}.header-inner{display:flex;align-items:center;justify-content:center;gap:1rem;padding:0.75rem 0;position:relative;max-width:var(--maxw);margin:0 auto;padding-left:1rem;padding-right:1rem}.site-title{margin:0;font-size:1rem;font-weight:600;color:#0f172a}.header-nav.desktop-only{display:block}.header-nav.desktop-only a{display:inline-block;margin:0 0.9rem;color:#374151;padding:6px 8px;border-radius:6px}.header-nav.desktop-only a:hover{background:rgba(15,23,42,0.04)}.sidebar-toggle{display:none;position:absolute;left:1rem;top:50%;transform:translateY(-50%);border:1px solid #d1d5db;background:#fff;border-radius:6px;padding:4px 8px;font-size:1.05rem;cursor:pointer;z-index:200}.site-layout{display:grid;grid-template-columns:260px 1fr;gap:1.25rem;margin:1rem auto;max-width:var(--maxw);width:100%;padding:0 1rem;align-items:start}.site-sidebar{background:#fbfcfd;border:1px solid #e6eef6;padding:1rem;border-radius:8px;position:relative}.sidebar-list{list-style:none;padding-left:0;margin:0}.sidebar-list li{margin:0.45rem 0}.sidebar-list a{color:#0f4b8f;text-decoration:none;display:block;padding:6px 4px;border-radius:4px}.sidebar-list a:hover{background:rgba(15,23,42,0.04)}.sidebar-section h3{margin-top:0.8rem;margin-bottom:0.6rem;font-size:1rem}.site-main{background:#fff;padding:1rem;border-radius:8px;border:1px solid #eef2f6;min-height:20vh}article.content{background:#fff;padding:32px;border-radius:var(--ui-radius);box-shadow:var(--card-shadow);width:80%;max-width:900px;margin:0 auto;box-sizing:border-box}.footer{padding:1.25rem 0;background:#f9f9f9;color:#555;border-top:1px solid #ddd;display:flex;align-items:center;justify-content:center}.footer .footer-inner{width:100%;max-width:var(--maxw);padding:0 1rem;display:flex;align-items:center;justify-content:space-between;gap:12px}.footer .social-links{display:flex;gap:12px;align-items:center}.footer .social-links a{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:8px;color:#444;text-decoration:none;transition:all .18s ease}.footer .social-links a:hover{background:rgba(11,15,30,0.06);color:var(--accent);transform:translateY(-1px)}.footer .social-links i{font-size:1.05rem}h1,h2,h3{color:#0f172a;margin-top:0}h1{font-size:1.6rem;margin-bottom:0.25rem}p{line-height:1.7;color:#111827}pre,code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,"Roboto Mono","Courier New",monospace;word-break:break-word}pre{padding:12px;background:var(--code-bg);color:var(--code-color);border-radius:6px;overflow:auto;font-size:0.95rem}.code-tabs{margin:1rem 0;border-radius:8px;overflow:visible}.tab-buttons{display:flex;gap:6px;background:#f8fafc;padding:6px;align-items:center;border-bottom:1px solid #e6e6e6;min-height:44px;border-top-left-radius:8px;border-top-right-radius:8px}.tab-btn{appearance:none;border:none;background:transparent;padding:8px 12px;cursor:pointer;font-weight:600;font-size:0.95rem;border-radius:6px}.tab-btn.active{background:#fff;color:var(--accent);border-bottom:2px solid var(--accent)}pre.tab-content{display:none;margin:0;padding:1rem;white-space:pre;font-size:0.95rem;background:var(--code-bg);color:var(--code-color);overflow:auto;border-radius:0 0 8px 8px;border-top:1px solid rgba(241,245,249,0.04);min-height:120px}pre.tab-content.active{display:block}.code-tabs .tab-content{background:var(--code-bg);color:var(--code-color);padding:1rem;border-radius:0 0 8px 8px}.code-tabs pre{background:var(--code-bg);color:var(--code-color);padding:1rem;border-radius:8px;margin:1rem 0;max-height:50vh;overflow:auto}.post-list,.posts-list ul{list-style:none;padding-left:0;margin-left:0}.post-item{margin:0.6rem 0}@media (max-width:900px){.site-header{padding:14px 0}.header-nav{display:none}article.content{padding:20px;width:95%}.footer .footer-inner{flex-direction:column;align-items:center;text-align:center;gap:10px}pre{font-size:0.92rem}pre.tab-content{font-size:0.92rem;min-height:80px}.tab-buttons{gap:4px;padding:4px}.tab-btn{padding:6px 8px;font-size:0.9rem}}@media (max-width:820px){.site-layout{grid-template-columns:1fr}.header-nav.desktop-only{display:none}.sidebar-toggle{display:inline-block}.header-inner{justify-content:center}.site-title{font-size:1.05rem}.site-sidebar{position:fixed;left:0;top:0;bottom:0;transform:translateX(-110%);width:84vw;max-width:320px;padding-top:56px;transition:transform 220ms ease-in-out;z-index:110;overflow-y:auto;-webkit-overflow-scrolling:touch;box-shadow:0 12px 40px rgba(5,20,40,0.08)}.site-sidebar.open{transform:translateX(0)}.site-sidebar-backdrop{display:none;position:fixed;left:0;top:0;right:0;bottom:0;background:rgba(0,0,0,0.35);z-index:105}.site-sidebar.open+.site-sidebar-backdrop{display:block}.site-main{padding-top:1rem}}@media (max-width:420px){main.container{padding:12px}article.content{padding:16px;width:95%}.header-nav a{margin-left:12px;font-size:0.92rem}.footer .social-links a{width:50px;height:50px}.tab-buttons{gap:4px;padding:4px;overflow-x:auto;-webkit-overflow-scrolling:touch}.tab-buttons::-webkit-scrollbar{display:none}}@media print{.site-header,.footer,.site-sidebar,.site-sidebar-backdrop{display:none!important}article.content{box-shadow:none;background:transparent;padding:0}pre,code{background:none;color:#000}}.responsive-graph{display:block;max-width:100%;height:auto;margin:0 auto;max-height:60vh}