:root{color-scheme:dark;--bg:#17171b;--panel:#211e27;--surface:#2a2431;--text:#edecf2;--muted:#b1a6bd;--border:#40364b;--accent:#beacf1;font:16px/1.8 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button,a,summary{-webkit-tap-highlight-color:transparent}h1,h2,h3,p{margin:0}a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:4px}html{scroll-behavior:smooth;scroll-padding-top:110px}[hidden]{display:none!important}.guide-header{position:sticky;top:0;display:flex;align-items:center;justify-content:space-between;height:86px;padding:0 max(28px,calc((100vw - 1180px)/2));background:var(--bg);border-bottom:1px solid var(--border);z-index:50}.guide-brand{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:600}.guide-brand img{object-fit:contain}.guide-brand small{display:block;font-size:11px;color:var(--muted);font-weight:400;letter-spacing:1px}.guide-header-actions{display:flex;align-items:center;gap:24px}.guide-back{font-size:14px;color:var(--accent)}.guide-layout{display:grid;grid-template-columns:210px minmax(0,1fr);gap:70px;max-width:1180px;margin:auto;padding:54px 28px 0}.guide-toc{position:sticky;top:130px;align-self:start;font-size:13px}.guide-toc>span{font-size:12px;color:var(--muted);letter-spacing:1px}.guide-toc nav{display:flex;flex-direction:column;gap:4px;margin:18px 0 32px}.guide-toc nav a{border-left:2px solid var(--border);padding:8px 16px;min-height:44px;color:var(--muted);transition:color .15s,background .15s}.guide-toc nav a:hover{color:var(--accent);background:#beacf10c}.guide-toc nav a[aria-current=location]{color:var(--accent);border-color:var(--accent);background:#beacf10c}.guide-toc p{font-size:12px;color:var(--muted);line-height:2}.guide-content{min-width:0;max-width:810px}.guide-intro{padding:0 0 50px;border-bottom:1px solid var(--border)}.guide-eyebrow{font-size:11px;letter-spacing:2px;color:var(--accent)}h1{font-size:46px;line-height:1.3;letter-spacing:-1.6px;font-weight:600;margin:18px 0}.guide-intro>p{max-width:600px;color:var(--muted);font-size:17px}.guide-intro-meta{display:flex;gap:24px;margin-top:25px;color:var(--muted);font-size:12px}.guide-content section{padding:44px 0;border-bottom:1px solid var(--border)}.guide-section-title{display:flex;gap:15px;align-items:baseline;margin-bottom:24px}.guide-section-title>span{font-size:12px;letter-spacing:1px;color:var(--accent)}h2{font-size:25px;line-height:1.45;font-weight:550}h3{font-size:15px;font-weight:600}.guide-content section>p{margin-top:18px;color:var(--muted)}.guide-content p strong,.guide-content li strong{color:var(--text);font-weight:550}.guide-steps{padding-left:24px;margin:0}.guide-steps li{padding-left:8px;margin-bottom:21px}.guide-steps li::marker{color:var(--accent);font-weight:600}.guide-steps li p{margin-top:5px;color:var(--muted);font-size:15px}.guide-callout{margin-top:26px;padding:20px 24px;border:1px solid var(--border);border-left:3px solid var(--accent);border-radius:0 10px 10px 0;background:var(--panel)}.guide-callout p{color:var(--muted);font-size:14px;margin-top:7px}.guide-example{margin-top:24px;border:1px solid var(--border);border-radius:14px;background:var(--panel);padding:22px 24px}.guide-example>div{display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:12px;color:var(--muted);margin-bottom:15px}.guide-example button{min-height:44px;padding:7px 12px;border:1px solid var(--border);border-radius:8px;color:var(--accent);background:var(--surface);font-size:13px}.guide-example>p,.guide-example pre{font-size:15px;line-height:1.9;color:var(--text)}.guide-example 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70px}.guide-footer h2{font-size:21px}.guide-footer p{font-size:14px;color:var(--muted);margin-top:6px}.guide-footer>.guide-start{margin:0 0 0 auto}.guide-toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);padding:12px 22px;border:1px solid var(--border);background:var(--panel);color:var(--text);box-shadow:0 8px 30px #0002;border-radius:10px;z-index:80;font-size:14px;max-width:calc(100vw - 32px)}
@media(max-width:900px){.guide-layout{grid-template-columns:160px minmax(0,1fr);gap:32px}.guide-header{padding:0 24px}.guide-toc nav a{padding-left:12px}h1{font-size:39px}}
@media(max-width:650px){.guide-header{height:76px;padding:0 18px}.guide-header-actions{gap:16px}.guide-layout{display:block;padding:28px 20px 0}.guide-toc{position:static;border-bottom:1px solid var(--border);padding-bottom:20px;margin-bottom:28px}.guide-toc>span{display:none}.guide-toc nav{display:grid;grid-template-columns:1fr 1fr;margin:0;gap:0 10px}.guide-toc p{display:none}.guide-toc nav a{border:0;font-size:12px;padding:7px 0;min-height:38px}.guide-intro{padding-bottom:32px}h1{font-size:34px;letter-spacing:-1px}.guide-intro>p{font-size:16px}.guide-intro-meta{flex-wrap:wrap;gap:8px 18px}.guide-content section{padding:32px 0}h2{font-size:22px}.guide-comparison{grid-template-columns:1fr;gap:12px}.guide-example{padding:18px}.guide-callout{padding:18px}.guide-footer{padding-top:30px}.guide-brand{gap:8px}.guide-brand small{font-size:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.guide-toc nav a{transition:none}}