:root{--ink:#0b1f3a;--ink-soft:#45577a;--ink-faint:#8391ab;--surface:#f4f6fb;--white:#ffffff;--accent-a:#6c4cf1;--accent-b:#a06be0;--gradient:linear-gradient(135deg, var(--accent-a) 0%, var(--accent-b) 100%);--border-glass:rgba(11, 31, 58, 0.09);--shadow-soft:0 10px 30px rgba(20, 30, 60, 0.08);--shadow-lift:0 18px 45px rgba(20, 30, 60, 0.14);--radius-lg:24px;--radius-md:16px;--radius-sm:10px;--font-body:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font-body);color:var(--ink);background:var(--white);line-height:1.6;-webkit-font-smoothing:antialiased}.container{max-width:1160px;margin:0 auto;padding:0 24px}h1,h2,h3{font-family:var(--font-body);color:var(--ink);line-height:1.2;letter-spacing:-.01em;margin:0 0 12px}h1{font-size:clamp(2rem, 4.5vw, 3rem);font-weight:800}h2{font-size:clamp(1.5rem, 3vw, 2.1rem);font-weight:750}h3{font-size:1.1rem;font-weight:700}p{color:var(--ink-soft);margin:0 0 14px}a{color:var(--accent-a);text-decoration:none}a:hover{text-decoration:underline}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.skip-link{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:12px 18px;z-index:1000;border-radius:0 0 8px 0}.skip-link:focus{left:0}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,textarea:focus-visible{outline:3px solid var(--accent-a);outline-offset:2px}.glass{background:rgba(255,255,255,.7);border:1px solid var(--border-glass);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-radius:var(--radius-lg);box-shadow:var(--shadow-soft)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:999px;font-weight:700;font-size:.96rem;border:none;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,opacity .15s ease;text-decoration:none}.btn:hover{transform:translateY(-2px)}.btn:active{transform:translateY(0)}.btn-primary{background:var(--gradient);color:#fff;box-shadow:0 12px 24px rgba(108,76,241,.28)}.btn-primary:hover{box-shadow:0 16px 30px rgba(108,76,241,.36);text-decoration:none}.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}.btn-ghost{background:var(--white);color:var(--ink);border:1.5px solid rgba(11,31,58,.15)}.btn-ghost:hover{border-color:var(--accent-a);color:var(--accent-a);text-decoration:none}.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.85);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-glass)}.header-inner{display:flex;align-items:center;justify-content:space-between;padding-top:14px;padding-bottom:14px}.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.1rem;color:var(--ink)}.logo:hover{text-decoration:none}.logo-mark{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:10px;background:var(--gradient);color:#fff;font-weight:800;font-size:.85rem}.site-nav ul{list-style:none;display:flex;gap:28px;margin:0;padding:0}.site-nav a{color:var(--ink-soft);font-weight:600;font-size:.95rem}.site-nav a:hover{color:var(--accent-a);text-decoration:none}.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;background:0 0;border:none;cursor:pointer}.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);border-radius:2px}.hero{padding:72px 0 56px;background:radial-gradient(60% 90% at 85% 0,rgba(160,107,224,.14) 0,rgba(160,107,224,0) 60%),radial-gradient(50% 70% at 5% 10%,rgba(108,76,241,.1) 0,rgba(108,76,241,0) 60%),var(--white)}.hero-inner{display:grid;grid-template-columns:1.3fr 0.7fr;align-items:center;gap:40px}.eyebrow{display:inline-block;font-size:.82rem;font-weight:700;color:var(--accent-a);letter-spacing:.02em;margin-bottom:10px}.hero-lead{font-size:1.08rem;max-width:56ch}.trust-row{display:flex;flex-wrap:wrap;gap:18px;margin:18px 0 26px;font-size:.88rem;color:var(--ink-soft);font-weight:600}.hero-visual{display:flex;align-items:center;justify-content:center}.floating-qr-icon{width:220px;height:220px;border-radius:var(--radius-lg);background:rgba(255,255,255,.65);border:1px solid var(--border-glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow-lift);display:flex;align-items:center;justify-content:center;color:var(--accent-a);animation:float 5s ease-in-out infinite}@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}@media (prefers-reduced-motion:reduce){.floating-qr-icon{animation:none}html{scroll-behavior:auto}}.tool-section{padding:8px 0 64px}.tool-card{padding:32px}.tool-grid{display:grid;grid-template-columns:1.15fr 0.85fr;gap:36px}.field-group{margin-bottom:16px}label{display:block;font-weight:700;font-size:.88rem;color:var(--ink);margin-bottom:6px}.field-help{font-size:.8rem;color:var(--ink-faint);margin-top:4px;margin-bottom:0}input[type=email],input[type=tel],input[type=text],input[type=url],select,textarea{width:100%;padding:12px 14px;border-radius:var(--radius-sm);border:1.5px solid rgba(11,31,58,.14);background:var(--white);font-size:.95rem;font-family:inherit;color:var(--ink);margin-bottom:12px;transition:border-color .15s ease}input:focus,select:focus,textarea:focus{border-color:var(--accent-a)}textarea{resize:vertical}input[type=color]{width:100%;height:44px;padding:4px;border-radius:var(--radius-sm);border:1.5px solid rgba(11,31,58,.14);background:var(--white);cursor:pointer}.checkbox-row{display:flex;align-items:center;gap:8px;margin-bottom:12px}.checkbox-row input{width:auto;margin:0}.checkbox-row label{margin:0;font-weight:600}.input-panel[hidden]{display:none}.customize-block{margin-top:20px;padding-top:20px;border-top:1px solid var(--border-glass)}.customize-grid{display:grid;grid-template-columns:1fr 1fr;gap:4px 16px}.action-row{display:flex;gap:12px;margin-top:14px;flex-wrap:wrap}.error-msg{color:#c0392b;font-size:.85rem;font-weight:600;min-height:1.2em;margin-top:10px}.output-column{display:flex;flex-direction:column;align-items:center;justify-content:flex-start;gap:14px}.qr-preview-frame{width:100%;max-width:340px;aspect-ratio:1/1;border-radius:var(--radius-md);background:var(--surface);border:1px dashed rgba(11,31,58,.2);display:flex;align-items:center;justify-content:center;position:relative;padding:16px}#qrCanvas{max-width:100%;max-height:100%;border-radius:10px;display:none}.qr-placeholder-text{color:var(--ink-faint);font-size:.9rem;text-align:center;margin:0}.howto-section{padding:56px 0;background:var(--surface)}.howto-steps{list-style:none;margin:24px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.howto-steps li{background:var(--white);border-radius:var(--radius-md);padding:26px 22px;box-shadow:var(--shadow-soft);position:relative}.step-num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--gradient);color:#fff;font-weight:800;margin-bottom:12px}.features-section{padding:64px 0}.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:24px}.feature-card{padding:24px 22px}.benefits-section{padding:56px 0;background:var(--surface)}.benefits-inner{max-width:860px}.faq-section{padding:64px 0}.faq-list{margin-top:24px;display:flex;flex-direction:column;gap:12px}.faq-item{background:var(--white);border:1px solid var(--border-glass);border-radius:var(--radius-md);padding:16px 20px;box-shadow:var(--shadow-soft)}.faq-item summary{cursor:pointer;font-weight:700;list-style:none;position:relative;padding-right:28px}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary::after{content:"+";position:absolute;right:0;top:0;font-size:1.2rem;color:var(--accent-a)}.faq-item[open] summary::after{content:"−"}.faq-item p{margin-top:12px;margin-bottom:0}.related-section{padding:56px 0 72px;background:var(--surface)}.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:24px}.related-card{display:flex;align-items:center;justify-content:center;text-align:center;padding:26px 16px;font-weight:700;color:var(--ink)}.related-card:hover{text-decoration:none;color:var(--accent-a);box-shadow:var(--shadow-lift)}.site-footer{background:var(--ink);color:rgba(255,255,255,.8);padding:32px 0}.footer-inner{display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center}.site-footer nav ul{list-style:none;display:flex;flex-wrap:wrap;justify-content:center;gap:20px;margin:0;padding:0}.site-footer a{color:rgba(255,255,255,.8);font-size:.9rem}.site-footer a:hover{color:#fff}.copyright{font-size:.82rem;color:rgba(255,255,255,.55);margin:0}@media (max-width:900px){.hero-inner{grid-template-columns:1fr}.hero-visual{order:-1}.tool-grid{grid-template-columns:1fr}.howto-steps{grid-template-columns:1fr}.features-grid{grid-template-columns:repeat(2,1fr)}.related-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:640px){.nav-toggle{display:flex}.site-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--white);border-bottom:1px solid var(--border-glass);box-shadow:var(--shadow-soft)}.site-nav.open{display:block}.site-nav ul{flex-direction:column;gap:0;padding:8px 24px 16px}.site-nav li{padding:10px 0;border-bottom:1px solid var(--border-glass)}.features-grid{grid-template-columns:1fr}.related-grid{grid-template-columns:1fr}.customize-grid{grid-template-columns:1fr}}