/* Product explanations and task navigation; keep the existing visual system. */
.product-reading-guide{scroll-margin-top:24px}
.product-reading-guide>p{font-size:16px;line-height:1.9;text-align:left}
.product-guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:24px 0}
.product-guide-grid article{min-width:0;padding:22px 24px;border:1px solid #d4e4ee;border-radius:10px;background:#f5f9fc}
.product-guide-grid h3{margin:0 0 10px!important;color:#173e59;font-size:19px!important;line-height:1.5}
.product-guide-grid p{margin:0!important;color:#415c70;font-size:15px;line-height:1.85;text-align:left}
.product-reading-guide .product-guide-example{padding-left:18px;border-left:3px solid #0086b8}
.product-reading-guide .product-guide-note,.product-reading-guide .product-guide-version{font-size:13px;color:#526b7e;line-height:1.8}
.product-guide-download{display:inline-flex;align-items:center;min-height:46px;box-sizing:border-box;padding:10px 18px;margin:12px 0;border:1px solid #bdd1df;border-radius:6px;color:#006d92!important;background:#fff;font-size:15px;text-decoration:none}
.product-guide-download:hover{background:#edf6fb}
.product-guide-download:focus-visible,.topic-jump a:focus-visible,.topic-links a:focus-visible,.topic-table-scroll:focus-visible{outline:3px solid #0086b8;outline-offset:4px}
.topic-jump{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:0 0 30px}
.topic-jump a{display:flex;align-items:center;min-height:44px;box-sizing:border-box;padding:10px 15px;border:1px solid #dce7ee;border-radius:6px;font-size:14px;color:#006c92;background:#f3f8fb;text-decoration:none}
.topic-card{scroll-margin-top:24px;min-width:0}
.topics-page .menu-btn{min-width:44px;min-height:44px;border:0;background:transparent;color:#234e68;cursor:pointer}
.topics-page .menu-btn:focus-visible{outline:3px solid #0086b8;outline-offset:3px}
.topic-card p,.topic-intro{font-size:15px}
.topic-links a{box-sizing:border-box;min-height:44px;display:flex;align-items:center}
.topic-table-scroll{max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
.topic-table-scroll .topic-table{display:table;min-width:640px;white-space:normal}
@media(max-width:768px){
 .product-guide-grid{grid-template-columns:1fr;gap:14px;margin:20px 0}
 .product-guide-grid article{padding:20px}
 .product-reading-guide>p{font-size:15px}
 .product-guide-download{display:flex;justify-content:center;width:100%;text-align:center}
 .product-reading-guide .product-guide-note,.product-reading-guide .product-guide-version{font-size:13px}
 .topic-jump{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
 .topic-jump a{padding:10px;font-size:13px;line-height:1.6}
}