:root{color:#20312c;font-synthesis:none;--muted:#69736c;--accent:#47755b;--border:#dedfd6;background:#f6f5f0;font-family:Segoe UI,Microsoft YaHei,sans-serif}*{box-sizing:border-box}body{flex-direction:column;min-height:100vh;margin:0;display:flex}a{color:inherit}button,input{font:inherit}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:4px}[hidden]{display:none!important}.wrap{width:min(1040px,100% - 64px);margin-inline:auto}.header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;height:104px;display:flex}.brand{align-items:center;gap:14px;font-size:16px;font-weight:650;text-decoration:none;display:flex}.brand-mark{letter-spacing:-3px;font-size:32px}.brand-mark span,.accent{color:var(--accent)}nav{gap:32px;display:flex}nav a{color:var(--muted);font-size:14px;text-decoration:none}nav a[aria-current]{color:#20312c}main{flex:1}.intro{padding:88px 0 72px}.eyebrow{letter-spacing:2px;color:var(--accent);margin:0 0 24px;font-family:Consolas,monospace;font-size:12px}h1{letter-spacing:-1.5px;margin:0;font-size:clamp(32px,5vw,56px);font-weight:650;line-height:1.35}.intro-description{color:var(--muted);margin:26px 0 0;font-size:16px;line-height:1.8}.section-heading{border-top:1px solid var(--border);justify-content:space-between;align-items:center;padding:26px 0;display:flex}.section-heading h2{margin:0;font-size:18px}.section-heading>span{color:var(--muted);font-size:13px}.search{display:block}.search>span{color:var(--muted);margin-bottom:8px;font-size:13px;display:block}.search input{border:1px solid var(--border);background:0 0;border-radius:6px;width:100%;padding:12px 15px}.tags{flex-wrap:wrap;gap:8px;margin:18px 0;display:flex}.tags button{border:1px solid var(--border);color:var(--muted);background:0 0;border-radius:20px;padding:5px 12px;font-size:13px}.tags button[aria-pressed=true]{color:#fff;background:#20312c;border-color:#20312c}.post-row{border-bottom:1px solid var(--border);grid-template-columns:148px 1fr 24px;gap:28px;padding:30px 0;display:grid}.post-meta{color:var(--muted);flex-wrap:wrap;gap:10px;font-size:12px;line-height:1.6;display:flex}.post-row>.post-meta{padding-top:5px;display:block}.post-row>.post-meta span{margin-top:6px;display:block}.post-row h3{margin:0;font-size:22px;font-weight:600;line-height:1.5}.post-row h3 a{text-decoration:none}.post-row h3 a:hover{color:var(--accent)}.post-row p{color:var(--muted);margin:10px 0 14px;font-size:14px;line-height:1.8}.post-tags{color:var(--accent);flex-wrap:wrap;gap:12px;font-size:12px;display:flex}.post-arrow{color:var(--accent);font-size:24px;text-decoration:none}.empty{text-align:center;color:var(--muted);padding:64px 20px 88px}.empty-symbol{color:var(--accent);font-size:34px;display:inline-block}.empty h3{color:#20312c;font-size:20px;font-weight:500}.empty p{font-size:14px;line-height:1.8}.footer{border-top:1px solid var(--border);color:var(--muted);flex-wrap:wrap;justify-content:space-between;gap:16px;margin-top:72px;padding:26px 0;font-size:12px;display:flex}.footer a{text-decoration:none}.footer a:hover{text-decoration:underline}.about{max-width:720px;padding:88px 0}.about h1{margin-bottom:32px;font-size:40px}.about p:not(.eyebrow){color:var(--muted);font-size:17px;line-height:2}.back-link{color:var(--accent);margin-top:24px;font-size:14px;text-decoration:none;display:inline-block}.article{max-width:760px;margin:48px auto 0}.article-header{margin:40px 0}.article-header h1{overflow-wrap:anywhere;margin:18px 0 20px;font-size:clamp(28px,4vw,44px)}.cover{border-radius:8px;max-width:100%;height:auto;margin-bottom:28px}.prose{overflow-wrap:anywhere;font-size:17px;line-height:1.95}.prose h2,.prose h3{margin-top:2em;line-height:1.5}.prose a{color:var(--accent);text-underline-offset:4px}.prose img{max-width:100%;height:auto}.prose figure{margin:24px 0}.prose figcaption{text-align:center;color:var(--muted);font-size:13px}.prose blockquote{border-left:3px solid var(--accent);color:var(--muted);margin:24px 0;padding:4px 20px}.prose :not(pre)>code{background:#e9ece3;border-radius:3px;padding:2px 5px;font-size:.88em}.prose pre{color:#eef3ee;background:#252b29;border-radius:8px;padding:44px 22px 22px;font:14px/1.7 Consolas,monospace;position:relative;overflow:auto}.prose pre code{font-family:inherit}.prose table{border-collapse:collapse;max-width:100%;font-size:14px;display:block;overflow:auto}.prose th,.prose td{border:1px solid var(--border);padding:10px 14px}.copy-code{color:#eef3ee;background:#343d38;border:1px solid #69736c;border-radius:4px;padding:3px 9px;font-size:12px;position:absolute;top:8px;right:10px}.skip{z-index:10;background:#fff;padding:10px;position:absolute;top:-100px;left:16px}.skip:focus{top:16px}@media (width<=640px){.wrap{width:calc(100% - 40px)}.header{height:80px}.brand{gap:10px;font-size:14px}nav{gap:20px}.intro{padding:56px 0 48px}.intro-description{font-size:14px}.post-row{grid-template-columns:1fr 24px;gap:12px}.post-row>.post-meta{grid-column:1/-1;padding:0;display:flex}.post-row>.post-meta span{margin:0}.post-row h3{font-size:20px}.footer{text-align:center;justify-content:center;margin-top:40px}.about{padding:56px 0}.about h1{font-size:32px}.prose{font-size:16px}}.product-page{max-width:900px;padding:72px 0 96px}.product-hero{grid-template-columns:1.35fr .65fr;align-items:end;gap:56px;display:grid}.product-page h1{margin:0 0 22px;font-size:clamp(36px,6vw,68px)}.product-lead{color:var(--muted);max-width:650px;font-size:19px;line-height:1.9}.product-badge{border:1px solid var(--border);background:#fbfbf7;border-radius:10px;padding:22px}.product-badge strong{color:var(--accent);margin-bottom:8px;font-size:32px;display:block}.product-badge span{color:var(--muted);font-size:13px;line-height:1.7;display:block}.product-actions{flex-wrap:wrap;gap:12px;margin:34px 0 0;display:flex}.product-button{color:#fff;background:#20312c;border-radius:6px;align-items:center;gap:8px;padding:12px 18px;font-size:14px;text-decoration:none;display:inline-flex}.product-button.secondary{color:#20312c;border:1px solid var(--border);background:0 0}.product-section{border-top:1px solid var(--border);margin-top:64px;padding-top:26px}.product-section h2{margin:0 0 22px;font-size:20px}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;display:grid}.product-card{border:1px solid var(--border);background:#fbfbf7;border-radius:8px;padding:20px}.product-card h3{margin:0 0 8px;font-size:16px}.product-card p{color:var(--muted);margin:0;font-size:14px;line-height:1.8}.product-note{color:var(--muted);font-size:13px;line-height:1.8}.product-table{border-collapse:collapse;width:100%;font-size:14px}.product-table th,.product-table td{text-align:left;border-bottom:1px solid var(--border);padding:12px 10px}.product-table th{color:var(--muted);font-weight:500}.product-code{word-break:break-all;background:#eef0e9;border-radius:5px;padding:12px;font:12px/1.7 Consolas,monospace}.product-checks{color:var(--muted);flex-wrap:wrap;gap:12px;font-size:13px;display:flex}.product-checks span:before{content:"✓";color:var(--accent);margin-right:6px;font-weight:700}@media (width<=700px){.product-page{padding:52px 0 70px}.product-hero{grid-template-columns:1fr;gap:28px}.product-grid{grid-template-columns:1fr}.product-table{font-size:12px}.product-table th,.product-table td{padding:9px 5px}.product-actions{margin-top:24px}}.product-page{max-width:none;padding-top:76px}.product-hero{grid-template-columns:1.6fr .7fr;align-items:center;gap:80px}.product-kicker{color:var(--muted);margin:0 0 18px;font-size:15px}.product-hero h1{letter-spacing:-4px;margin:0 0 26px;font-size:clamp(60px,8vw,90px);line-height:1.02}.product-lead{font-size:17px}.product-badge{background:#eeefe7;border:none;padding:28px}.product-badge strong{margin:18px 0 8px;font-size:40px}.product-badge hr{border:0;border-top:1px solid #d6dcd0;margin:22px 0}.product-badge a{color:var(--accent);text-underline-offset:4px;margin-top:22px;font-size:13px;display:inline-block}.release-dot:before{content:"";background:var(--accent);border-radius:50%;width:6px;height:6px;margin:0 7px 2px 0;display:inline-block}.product-preview{background:#0c1421;border-radius:10px;margin:48px 0 0;overflow:hidden;box-shadow:0 18px 50px #20312c16}.preview-top{color:#b6c9d6;border-bottom:1px solid #2c3c49;justify-content:space-between;padding:13px 18px;font:12px/1.4 Consolas,Microsoft YaHei,sans-serif;display:flex}.product-preview img{width:100%;height:auto;display:block}.product-preview figcaption{color:var(--muted);background:#edeee6;padding:12px 18px;font-size:12px;line-height:1.7}.product-section-heading{justify-content:space-between;align-items:end;gap:16px;margin-bottom:22px;display:flex}.product-section-heading h2{margin:0}.product-section-heading .eyebrow{margin-bottom:12px}.product-section-heading>span,.product-section-heading>a{color:var(--muted);font-size:13px}.feature-number{color:var(--accent);margin-bottom:18px;font:12px/1.5 Consolas,monospace;display:block}.product-card{background:0 0;padding:26px}.product-card h3{font-size:17px}.product-steps{margin:28px 0;padding:0 0 0 24px}.product-steps li{padding:0 0 16px 12px}.product-steps li::marker{color:var(--accent);font-weight:600}.product-steps p{color:var(--muted);margin:8px 0;font-size:14px;line-height:1.9}.product-page code{overflow-wrap:anywhere;font-size:.9em}.release-details{margin:26px 0;font-size:14px}.release-details>div{border-bottom:1px solid var(--border);grid-template-columns:80px minmax(0,1fr);gap:14px;padding:13px 0;display:grid}.release-details dt{color:var(--muted)}.release-details dd{overflow-wrap:anywhere;margin:0}.release-details a{color:var(--accent);text-underline-offset:4px}.hash-label{color:var(--muted);margin:24px 0 8px;font:12px/1.6 Consolas,monospace}.product-code{margin:0}.product-detail{border-bottom:1px solid var(--border)}.product-detail summary{cursor:pointer;padding:22px 0;font-size:15px;font-weight:600}.product-detail>div{color:var(--muted);padding:0 0 18px;font-size:14px;line-height:1.9}.product-detail a{color:var(--accent);text-underline-offset:3px}.product-detail li{margin-bottom:8px}.product-bottom{justify-content:space-between;align-items:center;gap:20px;display:flex}.product-bottom .eyebrow{margin-bottom:14px}.product-bottom h2{margin:0}.project-spotlight{background:#edeee6;border:1px solid #dfe3d7;border-radius:8px;justify-content:space-between;align-items:center;gap:20px;margin:0 0 48px;padding:28px 30px;display:flex}.project-spotlight .eyebrow{margin:0 0 12px}.project-spotlight h2{margin:0;font-size:22px}.project-spotlight h2 a{text-decoration:none}.project-spotlight h2 span{color:var(--accent);margin-left:10px;font:12px/1.4 Consolas,monospace}.project-spotlight p:not(.eyebrow){color:var(--muted);margin:8px 0 0;font-size:14px;line-height:1.8}.spotlight-link{color:var(--accent);white-space:nowrap;font-size:14px;text-decoration:none}@media (width<=700px){.product-hero{grid-template-columns:1fr;gap:28px}.product-hero h1{letter-spacing:-3px;font-size:64px}.product-hero .eyebrow{letter-spacing:1px;font-size:10px}.product-section-heading{align-items:start}.product-section-heading>span{display:none}.product-preview{margin-top:32px}.preview-top span:last-child{display:none}.product-bottom{flex-direction:column;align-items:start}.product-page{padding-top:48px}.product-card{padding:22px}.project-spotlight{flex-direction:column;align-items:start;padding:24px}.header{flex-direction:column;align-items:start;gap:16px;height:auto;min-height:96px;padding:22px 0}nav{gap:24px}nav a{font-size:13px}.product-lead{font-size:16px}.release-details>div{grid-template-columns:54px minmax(0,1fr)}}