.qr-tool { display: grid; grid-template-columns: .82fr 1.18fr; gap: 80px; align-items: start; padding-top: 90px; padding-bottom: 100px; }
.qr-tool__intro { position: sticky; top: 120px; padding-top: 25px; }
.qr-tool__intro h1 { margin: 0; font-size: clamp(42px, 5vw, 68px); line-height: 1.08; letter-spacing: -.06em; }
.qr-tool__intro h1 em { color: var(--green); font-style: normal; }
.qr-tool__intro > p:not(.eyebrow) { color: var(--muted); font-size: 16px; line-height: 1.8; }
.qr-difference { margin-top: 32px; padding: 24px; border: 1px solid #efd69c; border-radius: 18px 18px 18px 6px; background: var(--warm); }
.qr-difference strong { display: block; margin-bottom: 12px; color: #71500e; }
.qr-difference p { margin: 8px 0; color: #655839; font-size: 14px; line-height: 1.65; }
.qr-maker { padding: 34px; border: 1px solid var(--line); border-radius: 28px 28px 28px 8px; background: white; box-shadow: var(--shadow); }
.qr-maker h2 { margin: 0 0 25px; font-size: 28px; }
.qr-maker > label { display: flex; justify-content: space-between; color: #3e554d; font-size: 13px; font-weight: 900; }
.qr-maker > label span { color: var(--muted); font-weight: 600; }
.qr-maker textarea { width: 100%; margin-top: 9px; padding: 15px; resize: vertical; border: 1px solid #c9d8d2; border-radius: 12px; color: var(--ink); background: #fbfdfc; font: inherit; line-height: 1.55; }
.qr-maker textarea:focus { outline: 3px solid rgba(24,132,95,.14); border-color: var(--green); }
.qr-controls { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 18px 0; }
.qr-controls label { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 8px; min-height: 48px; padding: 8px 11px; border: 1px solid var(--line); border-radius: 10px; font-size: 12px; font-weight: 800; }
.qr-controls input { width: 34px; height: 30px; padding: 0; border: 0; background: transparent; }
.qr-controls select { max-width: 76px; border: 0; color: var(--green-dark); background: transparent; font: inherit; }
.qr-status { min-height: 22px; color: var(--green-dark); font-size: 13px; font-weight: 800; }
.qr-preview { display: grid; place-items: center; min-height: 360px; overflow: auto; border-radius: 18px; background: #f1f6f3; }
.qr-preview canvas { width: min(100%, 330px); height: auto; background: white; box-shadow: 0 8px 30px rgba(16,60,45,.08); }
.qr-actions { display: flex; gap: 12px; margin-top: 20px; }
.qr-actions button { cursor: pointer; }
.qr-actions button:disabled { cursor: not-allowed; opacity: .5; }
.qr-privacy { margin: 20px 0 0; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; line-height: 1.7; }
@media (max-width: 850px) { .qr-tool { grid-template-columns: 1fr; gap: 35px; padding-top: 45px; }.qr-tool__intro { position: static; }.qr-navigation { display: none; } }
@media (max-width: 540px) { .qr-tool { width: min(100% - 28px, 1180px); }.qr-maker { padding: 22px; }.qr-controls { grid-template-columns: 1fr; }.qr-preview { min-height: 280px; }.qr-actions { flex-direction: column; }.header-inner > .button { display: none; } }