:root{--background:#ffffff;--surface:#ffffff;--surface-soft:#fafafa;--text:#111111;--text-secondary:#666666;--border:#e5e5e5;--border-dark:#cfcfcf;--button:#111111;--button-hover:#2a2a2a;--bitcoin:#f7931a;--error:#b42318;--shadow:0 10px 30px rgba(0,0,0,0.07)}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:Inter,Arial,sans-serif;background:var(--background)}a,body{color:var(--text)}a{-webkit-text-decoration-color:#999;text-decoration-color:#999;text-underline-offset:3px}a:hover{color:#444;-webkit-text-decoration-color:#444;text-decoration-color:#444}.container{max-width:800px;margin:40px auto;padding:40px;border:1px solid var(--border);border-top:4px solid var(--bitcoin);border-radius:8px;background:var(--surface);box-shadow:var(--shadow)}h1{margin-top:0;margin-bottom:20px;padding-bottom:10px;border-bottom:1px solid var(--border);font-size:24px;text-align:center}h1,h2,h3,label{color:var(--text)}label{display:block;margin-top:20px;font-weight:700}input[type=text]{width:100%;margin-top:8px;padding:12px;border:1px solid var(--border-dark);border-radius:4px;background:#fff;color:var(--text);font:inherit;outline:none}input[type=text]:focus{border-color:var(--bitcoin);box-shadow:0 0 0 3px rgba(247,147,26,.16)}button{display:block;width:100%;max-width:400px;margin:30px auto 0;padding:12px 20px;border:1px solid #111;border-radius:4px;background:var(--button);color:#fff;font:inherit;font-weight:700;cursor:pointer}button:hover{background:var(--button-hover)}.logo-header{display:flex;width:100%;align-items:center;justify-content:center;padding:20px 0;border-bottom:1px solid var(--border);background:#fff}.logo-img{display:block;height:40px;width:auto}.seo-section{max-width:760px;margin:60px auto;padding:20px;color:var(--text-secondary);line-height:1.7}.seo-section h2,.seo-section h3,.seo-section strong{color:var(--text)}.seo-section h2,.seo-section h3{margin-top:30px;margin-bottom:10px}.example-image{max-width:420px;margin:24px auto;padding:12px;border:1px solid var(--border);border-radius:8px;background:#fff}.example-image img{display:block;width:100%;height:auto}.result-box{margin-top:30px;padding-top:25px;border-top:1px solid var(--border);text-align:center}.generated-qr{display:block;width:min(100%,360px);height:auto;margin:20px auto;padding:12px;border:1px solid var(--border);border-radius:6px;background:#fff}.generated-address{overflow-wrap:anywhere;color:var(--text-secondary);font-size:14px}.generator-error{margin-top:18px;color:var(--error);font-weight:700;text-align:center}.footer{max-width:700px;margin:80px auto 0;padding:25px 20px;border-top:1px solid var(--border);font-size:14px;text-align:center}.article-page,.footer{color:var(--text-secondary)}.article-page{max-width:760px;margin:40px auto;padding:20px;line-height:1.65}.article-page h1{text-align:left}.article-page h1,.article-page h2,.article-page h3{color:var(--text)}.breadcrumb{margin-bottom:18px;color:var(--text-secondary);font-size:14px}@media (max-width:860px){.container{margin:20px 15px;padding:24px 18px}.seo-section{margin:40px auto}}.qr-page{padding:40px 20px}.text-center{text-align:center}#qr-title{margin-bottom:12px}.network-label{display:inline-block;margin:0 0 24px;padding:8px 14px;border:1px solid #d8d8d8;border-radius:999px;background:#fafafa;color:#111111;font-size:14px;font-weight:700}.qr-image-wrapper{display:flex;max-width:420px;margin:0 auto 30px;padding:14px;align-items:center;justify-content:center;border:1px solid #e5e5e5;border-radius:8px;background:#ffffff}.qr-image{display:block;width:100%;height:auto}.wallet-preview{max-width:650px;overflow-wrap:anywhere;font-size:14px}.lead,.wallet-preview{margin:0 auto 20px;color:#666666;line-height:1.5}.lead{max-width:680px;font-size:20px}.btn{display:block;width:100%;max-width:400px;margin:30px auto 0;padding:12px 20px;border:1px solid #111111;border-radius:4px;background:#111111;color:#ffffff;font-weight:700;text-align:center;text-decoration:none}.btn:hover{background:#2a2a2a;color:#ffffff}