:root{--max: 880px;--accent: #1769e0;--ink: #1a1d21;--muted: #5b6470;--line: #e6e9ee;--bg: #fff;--bg-soft: #f6f8fb;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.65;font-size:17px}.wrap{max-width:var(--max);margin:0 auto;padding:0 16px}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto}.site-header{border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--bg);z-index:10}.header-inner{display:flex;align-items:center;gap:16px;min-height:60px}.logo{font-weight:800;font-size:22px;color:var(--ink)}.logo span{color:var(--accent)}.main-nav{display:flex;flex-wrap:wrap;gap:14px;margin-left:auto}.main-nav a{color:var(--muted);font-size:15px}.burger{display:none;margin-left:auto;font-size:22px;background:none;border:0;cursor:pointer;min-width:44px;min-height:44px}.content{padding:22px 16px 48px}h1{font-size:30px;line-height:1.2;margin:8px 0 16px}h2{font-size:23px;margin:32px 0 12px}h3{font-size:19px;margin:24px 0 8px}.lead{font-size:19px;color:var(--muted);margin:0 0 24px}.article-body{font-size:17px}.article-body h2{scroll-margin-top:70px}.hero{width:100%;height:auto;aspect-ratio:1280 / 534;object-fit:cover;border-radius:14px;margin:6px 0 18px;display:block;background:var(--bg-soft)}.breadcrumbs{font-size:14px;color:var(--muted);margin:4px 0 14px;display:flex;flex-wrap:wrap;gap:6px;align-items:center}.breadcrumbs .sep{color:#b9c0cb}.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:16px 0}.card{border:1px solid 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th{background:var(--bg-soft)}.ip-big{font-size:34px;font-weight:800;word-break:break-all}.ip-meta{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;margin-top:12px;font-size:16px}.ip-meta dt{color:var(--muted)}.ip-meta dd{margin:0;font-weight:600}.qr-wrap{margin-top:16px;display:flex;flex-direction:column;align-items:flex-start;gap:10px}.qr-ph{width:240px;height:240px;display:flex;align-items:center;justify-content:center;color:var(--muted);border:2px dashed var(--line);border-radius:12px}.btn-dl{display:inline-block;padding:10px 18px;background:var(--accent);color:#fff;border-radius:10px;min-height:44px}.nav-tools{font-weight:700;color:var(--accent)!important}.wz-q{font-size:19px;font-weight:600;margin:0 0 14px}.wz-opts{display:flex;flex-direction:column;gap:10px;max-width:460px}.wz-opts button{text-align:left;padding:14px 16px;border:1px solid var(--line);border-radius:10px;background:var(--bg);font-size:16px;cursor:pointer;min-height:44px}.wz-opts button:hover{border-color:var(--accent)}.wz-advice{background:var(--bg);border-left:4px solid var(--accent);padding:14px 18px;border-radius:8px}.wz-advice p{margin:8px 0 0}.hub-intro{font-size:17px;margin:0 0 18px}.tool-cta{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;border:1px solid var(--line);border-radius:12px;padding:14px 18px;background:var(--bg-soft);margin:18px 0}.tool-cta .btn-dl{white-space:nowrap}.std-btn{padding:10px 16px;border:1px solid var(--line);border-radius:10px;background:var(--bg);cursor:pointer;min-height:44px;font-size:15px}.std-btn.active{border-color:var(--accent);color:var(--accent);font-weight:700}.pinout{list-style:none;padding:0;margin:16px 0 8px;max-width:360px}.pinout li{display:flex;align-items:center;gap:12px;padding:6px 0;border-bottom:1px solid 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