body{margin:0;font:17px/1.55 system-ui,sans-serif;color:#1d2433;background:#f5f6f8}
.top{display:flex;align-items:center;gap:16px;padding:10px 20px;background:#fff;border-bottom:1px solid #dde2ea;
position:sticky;top:0;z-index:1;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:8px;font-weight:700;color:#1d2433;text-decoration:none}
.top nav{display:flex;gap:16px;margin-left:auto}.top nav a{color:#1d4ed8;text-decoration:none;white-space:nowrap}
main{max-width:860px;margin:0 auto;padding:8px 20px 40px}
h1{font-size:34px;line-height:1.2;margin:32px 0 12px}h2{font-size:24px;margin:40px 0 10px}
.lead{font-size:19px}.quiet{color:#6b7383}
.button{display:inline-block;background:#1d4ed8;color:#fff;padding:12px 20px;border-radius:10px;text-decoration:none;
font-weight:600}
.button.small{padding:8px 14px;font-size:15px}
.button.big{padding:15px 28px;font-size:19px;box-shadow:0 4px 14px rgba(29,78,216,.3)}
.button.ghost{background:#fff;color:#1d4ed8;border:1px solid #c7d2fe}
.cta{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin:20px 0}
.shots{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}
figure{margin:0}figure img{width:100%;border:1px solid #dde2ea;border-radius:12px;background:#fff}
figcaption{font-size:14px;color:#5b6475;margin-top:6px}
.one{margin:16px 0}.one img{max-width:100%}
.points{padding-left:20px}.points li{margin-bottom:12px}
.steps{padding-left:0;list-style:none;counter-reset:step}
.steps li{counter-increment:step;position:relative;padding:14px 16px 14px 60px;margin-bottom:12px;background:#fff;
border:1px solid #dde2ea;border-radius:12px}
.steps li::before{content:counter(step);position:absolute;left:16px;top:14px;width:30px;height:30px;border-radius:50%;
background:#1d4ed8;color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center}
.steps pre{margin:8px 0}
pre{background:#fff;border:1px solid #dde2ea;border-radius:10px;padding:12px;overflow:auto;font-size:13px}
code{font:14px ui-monospace,monospace}
footer{color:#8a93a3;padding:24px;font-size:14px;border-top:1px solid #dde2ea}footer a{color:inherit}
footer .bar{max-width:860px;margin:0 auto;display:flex;flex-wrap:wrap;align-items:baseline;gap:6px}
footer .more{margin-left:auto;color:#1d4ed8;font-weight:600}
@media (max-width:600px){.shots{grid-template-columns:1fr}h1{font-size:28px}
.top{gap:8px 12px}.top .button.small{margin-left:auto}
.top nav{order:3;width:100%;margin-left:0;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
.top nav::-webkit-scrollbar{display:none}
.steps li{padding-left:52px}.steps li::before{left:12px}}
.doc h3{font-size:19px;margin:28px 0 8px}
.doc section{margin-bottom:8px}
.doc pre{font-size:13.5px;line-height:1.5}
.ref{border-collapse:collapse;width:100%;margin:8px 0 16px;background:#fff;border:1px solid #dde2ea;border-radius:10px}
.ref th{text-align:left;padding:8px 12px;border-bottom:1px solid #dde2ea}
@media (max-width:600px){.ref{display:block;overflow-x:auto}}
.ref td{padding:8px 12px;border-bottom:1px solid #eef1f5;vertical-align:top}.ref tr:last-child td{border-bottom:0}
.ref td:first-child{white-space:nowrap}
.note{background:#fff8e6;border:1px solid #f1d58a;border-radius:10px;padding:10px 14px}
.files a{display:inline-block;margin:4px 10px 4px 0}
pre .file{display:block;color:#8a93a3;font-size:12px;margin-bottom:6px}
.top nav a.here{font-weight:700;text-decoration:underline}