:root{--brand:#f4a520;--brand-dark:#a85e0b;--ink:#3b2a12;--muted:#6b5a3e;--bg:#fffdf7;--card:#f3ecdc;--line:#e6dcc4;--warn-bg:#fde8e8;--warn:#b3261e;--ok-bg:#e8f5e9}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
header.top{background:var(--brand);color:#3b2a12;padding:28px 16px}
header.top .wrap{max-width:980px;margin:0 auto;display:flex;gap:18px;align-items:center;flex-wrap:wrap}
header.top h1{margin:0;font-size:1.9rem}
header.top p{margin:4px 0 0;opacity:.85}
header.top .lang{margin-left:auto;font-size:.95rem}
header.top .lang a{color:#3b2a12;font-weight:600}
main{max-width:980px;margin:0 auto;padding:24px 16px 60px}
nav.toc{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 20px;margin:0 0 28px}
nav.toc h2{margin:0 0 8px;font-size:1.05rem}
nav.toc ol{margin:0;padding-left:22px;columns:2;column-gap:28px}
nav.toc li{break-inside:avoid;margin:2px 0}
nav.toc a{color:var(--brand-dark);text-decoration:none}
nav.toc a:hover{text-decoration:underline}
h2{font-size:1.5rem;margin:44px 0 12px;padding-top:10px;border-top:3px solid var(--brand)}
h3{font-size:1.15rem;margin:26px 0 8px;color:var(--brand-dark)}
p,li{font-size:1.02rem}
.figs{display:flex;gap:18px;flex-wrap:wrap;margin:14px 0 22px}
figure{margin:0;flex:1 1 260px;max-width:320px}
figure img{width:100%;height:auto;border:1px solid var(--line);border-radius:12px;box-shadow:0 2px 10px rgba(0,0,0,.08);background:#fff}
figure img.wide{max-width:100%}
figcaption{font-size:.9rem;color:var(--muted);margin-top:6px;line-height:1.4}
.note,.warn,.tip{border-radius:12px;padding:12px 16px;margin:14px 0;border-left:6px solid}
.note{background:var(--card);border-color:var(--brand)}
.warn{background:var(--warn-bg);border-color:var(--warn)}
.tip{background:var(--ok-bg);border-color:#2e7d32}
.note strong,.warn strong,.tip strong{display:block;margin-bottom:2px}
table{border-collapse:collapse;width:100%;margin:12px 0 20px;font-size:.98rem}
th,td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
th{background:var(--card)}
kbd{background:#fff;border:1px solid var(--line);border-radius:6px;padding:1px 7px;font-family:inherit;font-size:.95em;box-shadow:0 1px 0 var(--line)}
.btn{display:inline-block;background:var(--brand-dark);color:#fff;padding:2px 10px;border-radius:999px;font-size:.92em;font-weight:600}
code{background:#fff;border:1px solid var(--line);border-radius:5px;padding:0 5px;font-size:.95em}
footer{max-width:980px;margin:0 auto;padding:20px 16px 40px;color:var(--muted);font-size:.9rem;border-top:1px solid var(--line)}
.steps li{margin:6px 0}
@media (max-width:640px){nav.toc ol{columns:1}h2{font-size:1.3rem}figure{max-width:100%}}
@media print{header.top .lang{display:none}nav.toc ol{columns:1}h2{break-after:avoid}h3{break-after:avoid}figure,.note,.warn,.tip,table{break-inside:avoid}figure img{box-shadow:none}body{background:#fff}}