@charset "UTF-8";
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{--bg:#f6f4ee;--paper:#fffefb;--ink:#202722;--muted:#61685f;--line:#d8dcd0;--accent:#b83c26;--soft:#f0e4d7;--sans:"Segoe UI","Microsoft YaHei",sans-serif;--serif:Georgia,"Noto Serif SC","Songti SC",serif;margin:0;background:var(--bg);color:var(--ink);font:16px/1.75 var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid 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var(--ink);display:grid;place-items:center;font-family:Georgia,serif;font-size:28px;line-height:1}.brand small{font-size:11px;display:block;letter-spacing:.13em;font-weight:500;line-height:1.3}.nav{display:flex;gap:30px;align-items:center;font-size:14px}.nav a{padding:9px 0;border-bottom:2px solid transparent}.nav a[aria-current=page]{border-color:var(--accent)}.nav .nav-download{background:var(--ink);color:var(--paper);padding:10px 17px;border-radius:4px}.menu-toggle{display:none;border:1px solid var(--line);padding:6px 12px;background:var(--paper);color:var(--ink)}.edition{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:var(--muted);letter-spacing:.12em;text-transform:uppercase;padding:13px 0;border-bottom:1px solid var(--line);gap:16px}.eyebrow{display:block;color:var(--accent);font-size:12px;letter-spacing:.16em;font-weight:700;margin-bottom:20px}.hero{padding:60px 0 46px}.hero-grid{display:grid;grid-template-columns:1.06fr 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.small-guide{padding:20px;border:1px solid var(--line);font-size:13px}.small-guide h3{font-size:16px;margin-bottom:10px}.small-guide p{color:var(--muted);margin-bottom:15px}.source-list{border-top:1px solid var(--line);margin:38px 0 25px;padding-top:22px;font-size:13px}.source-list h2{font-size:17px;margin:0 0 12px;padding:0}.source-list a{display:block;margin:8px 0}.codebox{background:#18252b;color:#e4ebe6;margin:22px 0;border:1px solid #2e424b;border-radius:5px;overflow:hidden}.codebar{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #3a4d52;padding:8px 16px;font:11px/1.6 monospace;letter-spacing:.04em;color:#acbfb7}.copy-button{background:transparent;color:#d9e8dc;border:1px solid #66847a;padding:3px 10px;font:11px var(--sans);border-radius:3px}.codebox pre{margin:0;padding:23px;overflow-x:auto;line-height:1.8;font-size:13px;tab-size:2}.codebox code{font-family:Consolas,"Cascadia Code",monospace}.diagram{margin:30px 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body.theme-st h1,body.theme-st h2{font-family:var(--serif)}.theme-st .brand-mark{border-radius:50%}.theme-st .hero-art{transform:rotate(1.2deg);box-shadow:10px 10px 0 #e8e6dc}.theme-st .hero-art>*{transform:rotate(-1.2deg)}
body.theme-shop{--bg:#101c20;--paper:#19272b;--ink:#edf2e9;--muted:#a2b5b3;--line:#35464b;--accent:#b9ed75;--soft:#233438}.theme-shop .brand-mark{background:var(--accent);color:#101c20;border:0;border-radius:10px;font-family:var(--sans);font-size:20px}.theme-shop h1{font-weight:800;letter-spacing:-.055em}.theme-shop .button.primary{color:#172618}.theme-shop .nav-download{background:var(--accent);color:#13231c}.theme-shop .hero{padding:65px 0 44px}.theme-shop .hero-grid{gap:60px;grid-template-columns:1fr 1fr}.theme-shop .screenshot{background:#203338;padding:12px;border-radius:12px}.theme-shop .hero-shot{position:relative;max-height:485px;overflow:hidden;transform:perspective(1000px) rotateY(-6deg) rotateX(2deg);box-shadow:25px 30px 70px #050b0c99}.theme-shop .hero-shot img{width:100%}.theme-shop .hero-shot:after{content:"";position:absolute;inset:60% 0 0;background:linear-gradient(transparent,#19272b)}.theme-shop .hero-shot figcaption{position:absolute;bottom:0;z-index:1;color:#d7e2d4;font-size:11px;padding:15px}.theme-shop .feature{border:1px solid var(--line);padding:25px;border-radius:6px}.theme-shop .feature .num{font-family:var(--sans);font-size:13px;letter-spacing:.1em}.theme-shop .section-heading h2{font-size:32px}.theme-shop .article-card{border:1px solid var(--line);padding:24px;margin-bottom:20px;border-radius:5px}.theme-shop .article-card .card-no{font-family:monospace;font-size:15px}.theme-shop .ad-tag{color:#52603b}.theme-shop .codebox{border-color:#4f6863}.theme-shop .diagram{background:#233438}
body.theme-is{--bg:#edf2f6;--paper:#fff;--ink:#182d45;--muted:#566c80;--line:#c9d7e2;--accent:#1559b9;--soft:#dfeaf5}.theme-is .brand-mark{background:#1559b9;border:0;color:#fff;font:19px/1 monospace}.theme-is .hero{background-image:linear-gradient(#cbd7e54d 1px,transparent 1px),linear-gradient(90deg,#cbd7e54d 1px,transparent 1px);background-size:28px 28px}.theme-is .hero-grid{gap:50px}.theme-is .hero h1{font-size:clamp(36px,4.3vw,61px)}.theme-is .section-heading h2{font-weight:700}.theme-is .feature{background:var(--paper);padding:23px;border:1px solid var(--line);border-top:3px solid var(--accent)}.theme-is .feature .num{font:13px monospace}.theme-is .article-card .card-no{font:16px/1.8 monospace}.theme-is .article-card h3{font-size:19px}.theme-is .button{border-radius:0}.theme-is .hero .codebox{box-shadow:12px 12px 0 #cbd9e8;margin:0}.theme-is .page-head .eyebrow{font-family:monospace}.theme-is .toc{border-top-color:var(--accent)}
body.theme-my{--bg:#f7f5fa;--paper:#fff;--ink:#2d263b;--muted:#726781;--line:#ddd5e5;--accent:#7552a1;--soft:#ece4f5}.theme-my .brand-mark{border:0;background:var(--ink);color:#fff;border-radius:12px;font-size:23px}.theme-my .hero{padding-top:70px}.theme-my .hero-grid{grid-template-columns:.95fr 1.1fr;gap:60px}.theme-my .hero h1{font-weight:650;font-size:clamp(35px,4.5vw,63px)}.theme-my .button{border-radius:25px}.theme-my .hero figure{border:0;padding:0;margin:0;transform:rotate(-2deg);box-shadow:0 24px 65px #6b517c26;border-radius:14px;overflow:hidden}.theme-my .hero figure img{width:100%;aspect-ratio:1.55;object-fit:cover}.theme-my .hero figure figcaption{padding:12px 18px;background:#fff;font-size:11px;color:var(--muted)}.theme-my .feature{border:0;padding:26px;background:var(--paper);border-radius:14px}.theme-my .feature .num{display:inline-grid;place-items:center;border-radius:50%;width:40px;height:40px;font:14px var(--sans);background:var(--soft)}.theme-my .article-card{background:var(--paper);padding:25px;border:0;border-radius:12px;margin-bottom:20px}.theme-my .article-card .card-no{font:13px/2 monospace}.theme-my .notice{border-radius:0 10px 10px 0}.theme-my .sponsor{border-radius:10px}.theme-my .tool{border-radius:12px}
body.theme-cyou{--bg:#f3f2ed;--paper:#fffefa;--ink:#282d2c;--muted:#656b66;--line:#d4d7cb;--accent:#96611c;--soft:#ece7d9}.theme-cyou .brand-mark{background:#e8b552;color:#252a23;border:0;font:18px monospace}.theme-cyou .hero{padding:45px 0}.theme-cyou .hero h1{font-size:clamp(36px,4.5vw,62px)}.theme-cyou .hero-grid{gap:48px}.theme-cyou .hero .tool{margin:0;border-top:4px solid #d6a349;box-shadow:10px 10px 0 #e5e4db}.theme-cyou .feature{padding:23px;background:var(--paper);border:1px solid var(--line)}.theme-cyou .feature .num{font:13px monospace;letter-spacing:.08em}.theme-cyou .button.primary{background:#e8b552;border-color:#e8b552;color:#282d2c}.theme-cyou .article-card{grid-template-columns:40px 1fr}.theme-cyou .article-card .card-no{font:13px/2 monospace}.theme-cyou .article-card h3{font-size:19px}.theme-cyou .sponsor{background:#e8ecd9}.theme-cyou .section-heading .section-label{font-family:monospace}
@media(min-width:1500px){.wrap{width:1220px}.hero{padding-top:75px;padding-bottom:65px}}
@media(max-width:1050px){.wrap{width:calc(100% - 48px)}.hero-grid,.theme-shop .hero-grid,.theme-my .hero-grid{gap:35px}.nav{gap:20px}.reading-layout{grid-template-columns:minmax(0,1fr) 240px;gap:35px}.download-grid{gap:25px}.download-panel{padding:25px}.hero-art{padding:24px}.sponsor{padding:18px 20px;gap:18px}.sponsor strong{font-size:17px}.three-cols{gap:18px}}
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.diagram-mobile{display:none}
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