.qn-product-guide{margin:1.5rem 0 2rem;padding:clamp(1rem,3vw,2rem);border:1px solid #cdd9e8;border-radius:20px;background:#f5f8fc;color:#11243b;box-sizing:border-box}
.qn-product-guide h2{font-size:clamp(1.3rem,3vw,2rem);line-height:1.35;margin:0 0 .5rem}
.qn-product-guide p{line-height:1.6}.qn-guide-toolbar{display:flex;gap:1rem;align-items:center;flex-wrap:wrap;margin:1rem 0}
.qn-product-guide select{max-width:100%;min-height:44px;border:1px solid #536b87;border-radius:9px;background:white;color:#11243b;padding:.5rem;font:inherit}
.qn-product-guide video,.qn-product-guide iframe{display:block;width:100%;aspect-ratio:16/9;height:auto;background:#0b1428;border:0;border-radius:12px}
.qn-product-guide iframe{height:100%;min-height:240px}.qn-guide-screen{aspect-ratio:16/9}.qn-guide-links{display:flex;flex-wrap:wrap;gap:1rem;margin-top:1rem;align-items:center}
.qn-guide-links a,.qn-guide-links button{min-height:44px;display:inline-flex;align-items:center;padding:.45rem .8rem;border-radius:8px;border:1px solid #2d5784;color:#173e72;background:white;font:inherit;text-decoration:none;cursor:pointer}
.qn-product-guide [hidden]{display:none!important}.qn-product-guide :focus-visible{outline:3px solid #375ae8;outline-offset:4px}