.buyer-guide .material-top {background:linear-gradient(115deg,#edf4f6 5%,#f8fafb 68%,#eaf1f4)}
.buyer-guide .material-hero {grid-template-columns:minmax(0,1.35fr) minmax(0,.8fr)}
.buyer-guide .material-hero h1 {letter-spacing:-.035em}
.buyer-guide .material-en {font-size:14px;line-height:1.7;letter-spacing:.02em}
.buyer-guide .material-lead {max-width:43em;margin:16px 0}
.buyer-picker {display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:14px;font-size:14px}
.buyer-picker label {color:#314f64;font-weight:650}
.buyer-picker select {min-height:42px;max-width:100%;border:1px solid #9db1c1;border-radius:3px;background:#fff;color:#163852;padding:6px 11px;font:inherit}
.buyer-actions {display:flex;gap:10px;flex-wrap:wrap}
.buyer-guide a.buyer-action {display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:8px 15px;border:1px solid #9db7c8;border-radius:3px;color:#174664;background:#fff;text-decoration:none;font-size:14px;font-weight:650}
.buyer-guide a.buyer-primary {background:#123d67;color:#fff;border-color:#123d67}
.buyer-guide a.buyer-action:hover {background:#e2edf4;color:#103555}
.buyer-guide :is(a,select,summary):focus-visible {outline:3px solid #1769ab;outline-offset:3px}
.buyer-facts {display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin:26px 0 0;border-block:1px solid #b7cbd6}
.buyer-facts >div {padding:12px 18px;border-left:1px solid #bdcfda}
.buyer-facts >div:first-child {border-left:0;padding-left:0}
.buyer-facts dt {font-size:12px;color:#3c6177;font-weight:650}
.buyer-facts dd {margin:3px 0 0;font-size:16px;font-weight:600;color:#19354a}
.buyer-guide .material-body article {width:100%;max-width:1320px}
.buyer-cards {display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-block:1px solid #bdd0dc;margin:16px 0}
.buyer-cards >div {padding:15px 18px;border-left:1px solid #d7e3ea;background:#f4f8fa}
.buyer-cards >div:first-child {border-left:0}
.buyer-guide .buyer-cards h3 {margin:0 0 6px;font-size:17px;color:#193b56}
.buyer-guide .buyer-cards p {margin:0;font-size:15px;line-height:1.8}
.buyer-guide .material-table {margin:16px 0 8px}
.buyer-guide .material-table th,.buyer-guide .material-table td {padding:11px 14px}
.buyer-guide .material-table thead th {background:#1b435e;color:white}
.buyer-guide .material-table tbody th {min-width:95px}
.buyer-guide #specs .material-table:first-of-type td:nth-child(2) {min-width:4em}
.buyer-guide .buyer-note,.buyer-issue {border-left:3px solid #6494ac;background:#f1f6f8;padding:10px 16px}
.buyer-issue {margin-top:18px}
.buyer-guide .buyer-issue h3 {margin:0}
.buyer-docs .buyer-action {margin-top:12px}
.buyer-pack {display:flex;align-items:center;gap:clamp(16px,3vw,42px);margin:18px 0;padding:14px;border:1px solid #d0dfe6}
.buyer-pack img {width:clamp(100px,18vw,220px);height:160px;object-fit:contain;background:#f3f5f6}
.buyer-pack figcaption {min-width:0;font-size:14px}
.buyer-pack figcaption p {margin:6px 0}
@media(min-width:901px){.buyer-cards:has(>div:nth-child(2):last-child) {grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:650px){.buyer-pack {align-items:flex-start}.buyer-pack img {width:90px;height:120px}}
@media(max-width:900px){
 .buyer-guide .material-body aside {flex-wrap:wrap;gap:2px 14px;overflow:visible}
 .buyer-guide .material-body aside a {padding:7px 0}
 .buyer-cards {grid-template-columns:1fr}
 .buyer-cards >div +div {border-top:1px solid #d7e3ea;border-left:0}
}
@media(max-width:650px){
 .buyer-guide .material-hero {grid-template-columns:minmax(0,1fr);gap:15px}
 .buyer-guide .material-hero img {height:175px}
 .buyer-picker {display:grid;gap:4px}
 .buyer-actions {gap:6px}
 .buyer-guide a.buyer-action {padding:8px 11px}
 .buyer-facts {grid-template-columns:1fr;margin-top:16px}
 .buyer-facts >div,.buyer-facts >div:first-child {display:grid;grid-template-columns:82px 1fr;align-items:baseline;gap:8px;padding:7px 0;border:0}
 .buyer-facts >div +div {border-top:1px solid #d8e4ea}
 .buyer-facts dd {margin:0;font-size:14px}
 .buyer-guide .material-table table {min-width:600px}
}

.buyer-picker label {min-width:0;max-width:100%;overflow-wrap:anywhere}
.buyer-picker select {min-width:0;box-sizing:border-box}