:root{--canvas:#F4F2ED;--canvas-2:#EDEAE3;--world:#1C2B28;--world-2:#243833;--accent:#2A9D8F;--accent-soft:rgba(42,157,143,.12);--ink:#1A1916;--muted:#6B6860;--line:rgba(26,25,22,.1);--white:#FBFAF7;--font-display:"Instrument Serif",Georgia,serif;--font-body:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;--font-mono:"JetBrains Mono",monospace;--display:clamp(2.75rem,5.5vw,4.5rem);--h1:clamp(1.75rem,3vw,2.5rem);--h2:clamp(1.35rem,2vw,1.75rem);--r-shell:28px;--r-card:16px;--r-control:10px;--r-pill:999px;--shadow-card:0 1px 2px rgba(26,25,22,.04),0 8px 24px -8px rgba(26,25,22,.08),0 24px 48px -20px rgba(26,25,22,.12);--shadow-float:0 2px 6px rgba(26,25,22,.06),0 16px 40px -12px rgba(26,25,22,.14),0 40px 80px -32px rgba(26,25,22,.18);--gut:clamp(16px,4vw,48px);--ease:cubic-bezier(.4,0,.2,1);--ease-out:cubic-bezier(.16,1,.3,1)}[data-theme=dark]{--canvas:#141413;--canvas-2:#1E1D1B;--white:#1E1D1B;--ink:#EDEAE3;--muted:#8A8780;--line:#2E2C28;--shadow-card:0 2px 12px rgba(0,0,0,.3);--shadow-float:0 12px 40px rgba(0,0,0,.4)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-body);background:var(--canvas);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.wrap{max-width:1100px;margin:0 auto;padding:0 var(--gut)}.ic{width:18px;height:18px;fill:currentColor}.ic-sm{width:15px;height:15px}.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:#f4f2edd9;backdrop-filter:blur(20px) saturate(1.4);-webkit-backdrop-filter:blur(20px) saturate(1.4);border-bottom:1px solid var(--line)}[data-theme=dark] .nav{background:#141413d9}.nav-inner{max-width:1200px;margin:0 auto;padding:0 var(--gut);height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px}.nav-brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:1.05rem}.nav-brand .logo{width:32px;height:32px;border-radius:10px;background:var(--world);color:#fff;display:grid;place-items:center;font-family:var(--font-display);font-size:1.1rem;font-style:italic}@keyframes pulse-dot{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.75)}}.nav-menu{display:flex;align-items:center;gap:2px}.nav-menu a{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:var(--r-pill);font-size:.9rem;color:var(--muted);transition:all .25s var(--ease)}.nav-menu a:hover{color:var(--ink);background:var(--canvas-2)}.nav-menu a.active{color:var(--accent);background:var(--accent-soft)}.nav-actions{display:flex;align-items:center;gap:6px}.icon-btn{width:38px;height:38px;border-radius:var(--r-control);display:grid;place-items:center;color:var(--muted);transition:all .25s var(--ease);border:1px solid transparent;background:transparent;cursor:pointer}.icon-btn:hover{color:var(--ink);background:var(--canvas-2);border-color:var(--line)}.hamburger{display:none}.mobile-menu{position:fixed;inset:0;z-index:200;background:var(--canvas);display:flex;flex-direction:column;padding:80px var(--gut) 32px;transform:translate(100%);transition:transform .4s var(--ease-out);opacity:0;pointer-events:none}.mobile-menu.open{transform:translate(0);opacity:1;pointer-events:auto}.mobile-menu-close{position:absolute;top:16px;right:16px;width:44px;height:44px;border-radius:var(--r-control);display:grid;place-items:center;color:var(--ink);background:var(--canvas-2);border:0;cursor:pointer}.mobile-nav-links{display:flex;flex-direction:column;gap:4px;margin-bottom:32px}.mobile-nav-links a{display:flex;align-items:center;gap:14px;padding:16px 18px;border-radius:var(--r-card);font-size:1.15rem;font-weight:500;color:var(--ink)}.mobile-nav-links a.active{background:var(--canvas-2);color:var(--accent)}.search-overlay{position:fixed;inset:0;z-index:300;background:#0009;backdrop-filter:blur(8px);display:flex;align-items:flex-start;justify-content:center;padding-top:15vh;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}.search-overlay.open{opacity:1;visibility:visible}.search-panel{width:90%;max-width:600px;background:var(--white);border-radius:var(--r-shell);box-shadow:0 20px 60px #0000004d;overflow:hidden;transform:translateY(-20px) scale(.98);transition:transform .3s var(--ease-out)}.search-overlay.open .search-panel{transform:translateY(0) scale(1)}.search-input-wrap{display:flex;align-items:center;gap:12px;padding:20px 24px;border-bottom:1px solid var(--line)}.search-input-wrap .ic{width:20px;height:20px;color:var(--muted);flex-shrink:0}.search-input{flex:1;border:0;outline:0;background:transparent;font-size:1.05rem;color:var(--ink);font-family:inherit}.search-input::placeholder{color:var(--muted)}.search-esc{font-family:var(--font-mono);font-size:.7rem;color:var(--muted);padding:4px 8px;border:1px solid var(--line);border-radius:var(--r-control)}.search-results{max-height:50vh;overflow-y:auto;padding:12px}.search-group-title{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding:8px 12px;margin-top:8px}.search-group-title:first-child{margin-top:0}.search-hot-tags{display:flex;flex-wrap:wrap;gap:8px;padding:4px 12px 12px}.search-hot-tag{padding:6px 14px;border-radius:var(--r-pill);background:var(--canvas-2);font-size:.82rem;color:var(--ink);cursor:pointer;transition:all .2s}.search-hot-tag:hover{background:var(--accent-soft);color:var(--accent)}.search-result-item{display:flex;align-items:center;gap:12px;padding:12px;border-radius:var(--r-control);cursor:pointer;transition:background .2s}.search-result-item:hover{background:var(--canvas-2)}.search-result-type{font-family:var(--font-mono);font-size:.65rem;padding:3px 8px;border-radius:var(--r-pill);background:var(--accent-soft);color:var(--accent);flex-shrink:0;text-transform:uppercase}.search-result-title{font-size:.92rem;color:var(--ink);flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.search-empty{text-align:center;padding:40px;color:var(--muted);font-size:.9rem}.footer{background:var(--white);border-top:1px solid var(--line);padding:48px 0 32px;margin-top:48px}.footer-inner{max-width:1100px;margin:0 auto;padding:0 var(--gut);text-align:center}.footer-brand{font-family:var(--font-display);font-size:1.3rem;margin-bottom:8px}.footer-tagline{color:var(--muted);font-size:.88rem;margin-bottom:24px}.footer-links{display:flex;justify-content:center;gap:24px;margin-bottom:24px;flex-wrap:wrap}.footer-links a{color:var(--muted);font-size:.88rem;transition:color .2s}.footer-links a:hover{color:var(--accent)}.footer-copy{color:var(--muted);font-size:.8rem;font-family:var(--font-mono);margin-bottom:8px}.footer-icp{color:var(--muted);font-size:.78rem;font-family:var(--font-mono)}.footer-icp a{color:var(--muted);transition:color .2s}.footer-icp a:hover{color:var(--accent)}.footer-sep{margin:0 8px;opacity:.5}.back-to-top-fab{position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow-card);display:grid;place-items:center;color:var(--muted);cursor:pointer;opacity:0;transform:translateY(10px) scale(.9);pointer-events:none;transition:all .3s var(--ease-out);z-index:90}.back-to-top-fab.show{opacity:1;transform:translateY(0) scale(1);pointer-events:auto}.back-to-top-fab:hover{background:var(--accent);color:#fff;transform:translateY(-3px) scale(1.05)}.back-to-top-fab .ic{width:20px;height:20px}.rv{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease-out),transform .7s var(--ease-out)}.rv.in{opacity:1;transform:none}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition-duration:.01ms!important}.rv{opacity:1;transform:none}}@media(max-width:1024px){.status-badge{display:none}.status-dot{width:7px;height:7px;border-radius:50%;background:#22c55e;animation:pulse-dot 2s ease-in-out infinite}@keyframes pulse-dot{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.75)}}}@media(min-width:769px)and (max-width:1024px){.nav-inner{height:52px}.nav-brand{font-size:.95rem;gap:8px}.nav-brand 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