.catalog-shell{--navy:#071b3a;--blue:#155eef;--line:#dce3ec;--muted:#617087;margin:38px 0 72px;color:var(--navy)}
.catalog-layout{display:grid;grid-template-columns:270px minmax(0,1fr);gap:34px;align-items:start}.catalog-filters{border:1px solid var(--line);border-radius:14px;background:#fff;padding:22px;position:sticky;top:108px;max-height:calc(100vh - 130px);overflow:auto}.catalog-filter-head{display:flex;justify-content:space-between;gap:12px;padding-bottom:18px;border-bottom:1px solid var(--line)}.catalog-filter-head strong{font-size:19px}.catalog-filter-head small{display:block;color:var(--muted);margin-top:4px}.catalog-filter-close,.catalog-filter-open{display:none}.catalog-filter-group{border:0;border-bottom:1px solid var(--line);margin:0;padding:20px 0}.catalog-filter-group legend{font-weight:700;font-size:15px;padding:0}.catalog-filter-options{display:grid;gap:7px;margin-top:12px}.catalog-check,.catalog-category-link{display:flex;align-items:center;gap:9px;min-height:32px;color:#344258;text-decoration:none;cursor:pointer}.catalog-check input{width:17px;height:17px;accent-color:var(--blue)}.catalog-check span,.catalog-category-link span{flex:1}.catalog-check small,.catalog-category-link small{color:#8692a3}.catalog-check.is-active,.catalog-category-link.is-active{color:var(--blue);font-weight:650}.catalog-clear{width:100%;margin-top:18px;border:1px solid #b8c4d4;border-radius:8px;background:#fff;padding:10px 12px;color:#27364b;cursor:pointer}.catalog-toolbar{display:flex;justify-content:space-between;gap:18px;align-items:flex-start;margin-bottom:22px;min-height:42px}.catalog-toolbar strong{font-size:18px}.catalog-chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:10px}.catalog-chip{border:0;border-radius:999px;background:#edf3ff;color:#174ea6;padding:6px 10px;font-size:12px;cursor:pointer}.catalog-sort{display:flex;align-items:center;gap:8px;color:var(--muted);white-space:nowrap}.catalog-sort select{border:1px solid var(--line);border-radius:8px;background:#fff;padding:9px 28px 9px 10px;color:#243249}.catalog-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.catalog-card{position:relative;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;transition:transform .2s ease,box-shadow .2s ease}.catalog-card:hover{transform:translateY(-3px);box-shadow:0 12px 32px rgba(15,34,62,.11)}.catalog-card-link{display:block;height:100%;color:inherit;text-decoration:none}.catalog-card-image{aspect-ratio:4/4;background:#f4f6f8;overflow:hidden}.catalog-card-image img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}.catalog-card:hover .catalog-card-image img{transform:scale(1.035)}.catalog-card-body{padding:18px}.catalog-card h3{font-size:17px;line-height:1.4;margin:0 0 10px;min-height:48px}.catalog-card p{font-size:13px;line-height:1.6;color:var(--muted);margin:10px 0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.catalog-specs{display:flex;flex-wrap:wrap;gap:6px}.catalog-specs span{background:#f1f4f8;border-radius:5px;padding:4px 7px;color:#445269;font-size:11px}.catalog-view{display:inline-block;margin-top:5px;color:var(--blue);font-weight:650;font-size:13px}.catalog-compare-check{position:absolute;z-index:2;top:10px;right:10px;background:rgba(255,255,255,.94);box-shadow:0 2px 8px rgba(0,0,0,.1);border-radius:7px;padding:6px 8px;font-size:12px;cursor:pointer}.catalog-compare-check input{margin-right:4px;accent-color:var(--blue)}.catalog-loading{display:none;margin:0 0 14px;padding:11px 14px;border-radius:8px;background:#edf3ff;color:#174ea6}.catalog-shell.is-loading .catalog-loading{display:block}.catalog-shell.is-loading .catalog-results{opacity:.45;pointer-events:none}.catalog-empty{text-align:center;padding:70px 24px;border:1px dashed #bcc8d8;border-radius:14px}.catalog-empty h3{font-size:24px;margin:0 0 10px}.catalog-empty p{max-width:620px;margin:0 auto 20px;color:var(--muted)}.catalog-empty a,.catalog-rfq{display:inline-block;border-radius:8px;background:var(--blue);color:#fff;text-decoration:none;padding:11px 18px}.catalog-compare-bar{position:fixed;z-index:999;left:50%;bottom:18px;transform:translateX(-50%);width:min(900px,calc(100% - 32px));display:flex;align-items:center;gap:14px;background:#071b3a;color:#fff;border-radius:14px;padding:13px 16px;box-shadow:0 18px 50px rgba(0,0,0,.28)}.catalog-compare-bar[hidden],.catalog-compare-dialog[hidden]{display:none}.catalog-compare-bar>div:first-child{min-width:125px}.catalog-compare-bar span{display:block;color:#bfcbe0;font-size:12px}.catalog-compare-items{display:flex;gap:8px;flex:1;overflow:hidden}.catalog-compare-items span{background:#183256;border-radius:6px;color:#fff;padding:6px 8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:155px}.catalog-compare-bar button{border:0;border-radius:7px;padding:9px 13px;cursor:pointer}.catalog-compare-open{background:#ffb224;color:#071b3a;font-weight:700}.catalog-compare-dialog{position:fixed;z-index:1100;inset:0;background:rgba(4,13,28,.7);padding:5vh 20px;overflow:auto}.catalog-compare-panel{position:relative;max-width:1000px;margin:auto;background:#fff;border-radius:16px;padding:28px}.catalog-compare-close{position:absolute;right:18px;top:14px;border:0;background:none;font-size:30px;cursor:pointer}.catalog-compare-table{width:100%;border-collapse:collapse;margin:18px 0}.catalog-compare-table th,.catalog-compare-table td{border:1px solid var(--line);padding:12px;text-align:left;vertical-align:top}.catalog-compare-table img{width:110px;height:85px;object-fit:cover}.catalog-compare-note{color:var(--muted)}
@media(max-width:1100px){.catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:800px){.catalog-shell{margin-top:24px}.catalog-layout{display:block}.catalog-filter-open{display:flex;width:100%;justify-content:space-between;align-items:center;border:1px solid var(--line);border-radius:9px;background:#fff;padding:12px 14px;margin-bottom:16px;font-weight:700}.catalog-filters{display:none;position:fixed;z-index:1200;inset:0 0 0 auto;top:0;width:min(390px,88vw);max-height:none;border-radius:0;padding:22px;box-shadow:-16px 0 45px rgba(0,0,0,.2)}.catalog-filters.is-open{display:block}.catalog-filter-close{display:block;border:0;background:none;font-size:28px}.catalog-toolbar{align-items:center}.catalog-compare-items{display:none}.catalog-compare-bar{justify-content:space-between}.catalog-compare-panel{padding:22px 15px;overflow-x:auto}.catalog-compare-table{min-width:650px}}
@media(max-width:560px){.catalog-grid{grid-template-columns:1fr}.catalog-toolbar{align-items:flex-start;flex-direction:column}.catalog-sort{width:100%;justify-content:space-between}.catalog-sort select{flex:1}.catalog-card h3{min-height:0}.catalog-compare-clear{display:none}}
.catalog-toolbar-actions{display:flex;align-items:center;gap:9px}.catalog-toolbar-actions>a{border:1px solid var(--line);border-radius:8px;padding:9px 11px;color:#25415f;text-decoration:none;white-space:nowrap}.catalog-toolbar-actions>a.catalog-toolbar-rfq{background:var(--blue);border-color:var(--blue);color:#fff}@media(max-width:800px){.catalog-toolbar-actions{flex-wrap:wrap;justify-content:flex-end}}@media(max-width:560px){.catalog-toolbar-actions{width:100%;justify-content:flex-start}.catalog-toolbar-actions>a{flex:1;text-align:center}}
.catalog-layout{display:block}.catalog-filters{position:relative;top:auto;max-height:none;overflow:visible;padding:18px;margin-bottom:26px}.catalog-filter-head{align-items:center;padding-bottom:14px}.catalog-filter-grid{display:flex;flex-wrap:wrap;gap:9px;margin-top:14px}.catalog-category-strip{width:100%;display:flex;align-items:center;gap:14px;border-bottom:1px solid var(--line);padding:0 0 14px}.catalog-category-strip>strong{min-width:122px;font-size:14px}.catalog-category-strip .catalog-filter-options{display:flex;flex-wrap:wrap;gap:7px;margin:0}.catalog-category-strip .catalog-category-link{min-height:30px;border:1px solid #dce3ec;border-radius:999px;padding:4px 10px;font-size:12px}.catalog-category-strip .catalog-category-link.is-active{background:#edf3ff;border-color:#9bbcff}.catalog-filter-group{position:relative;border:0;margin:0;padding:0}.catalog-filter-group summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:18px;min-width:145px;border:1px solid #ccd6e3;border-radius:8px;background:#fff;padding:10px 12px;font-size:13px;font-weight:700;cursor:pointer}.catalog-filter-group summary::-webkit-details-marker{display:none}.catalog-filter-group summary b{color:#155eef;font-size:18px;line-height:1}.catalog-filter-group[open] summary{border-color:#155eef;color:#155eef}.catalog-filter-group[open] summary b{transform:rotate(45deg)}.catalog-filter-group>.catalog-filter-options{position:absolute;z-index:30;left:0;top:calc(100% + 7px);min-width:230px;max-height:300px;overflow:auto;margin:0;border:1px solid #d7e0eb;border-radius:10px;background:#fff;padding:12px;box-shadow:0 16px 38px rgba(8,28,57,.16)}.catalog-filter-group.is-filtered summary:after{content:attr(data-selected);display:inline-grid;place-items:center;min-width:19px;height:19px;margin-left:auto;border-radius:50%;background:#155eef;color:#fff;font-size:11px}.catalog-clear{width:auto;margin:14px 0 0;padding:9px 14px}.catalog-main{min-width:0}.catalog-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.catalog-pro-box{margin-top:30px;margin-bottom:60px}
@media(min-width:1450px){.catalog-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(max-width:800px){.catalog-filters{position:fixed;top:0;max-height:none;overflow:auto;margin:0}.catalog-filter-grid{display:block}.catalog-category-strip{display:block}.catalog-category-strip>strong{display:block;margin-bottom:10px}.catalog-category-strip .catalog-filter-options{display:grid}.catalog-filter-group{width:100%;margin-top:9px}.catalog-filter-group summary{width:100%;box-sizing:border-box}.catalog-filter-group>.catalog-filter-options{position:static;box-shadow:none;border:0;border-left:2px solid #dce6f3;border-radius:0;margin:5px 0 10px;padding:8px 12px;max-height:none}.catalog-clear{width:100%}}
.catalog-guide{background:#f5f8fc;padding:72px 0}.catalog-guide-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:70px;align-items:start}.catalog-guide-kicker{color:#155eef!important;font-size:12px!important;letter-spacing:.16em;font-weight:750;margin:0 0 14px!important}.catalog-guide h2,.catalog-faq h2{font-size:clamp(28px,3vw,42px);line-height:1.15;margin:0 0 18px;color:#071b3a}.catalog-guide p{color:#536177;font-size:16px;line-height:1.75}.catalog-guide ul{list-style:none;margin:0;padding:0}.catalog-guide li{position:relative;padding:17px 0 17px 28px;border-bottom:1px solid #dce3ec;color:#27364b}.catalog-guide li:before{content:'✓';position:absolute;left:0;color:#155eef;font-weight:800}.catalog-app-links{display:grid;grid-template-columns:auto repeat(3,1fr);gap:10px;align-items:center;margin-top:42px}.catalog-app-links strong{padding-right:14px}.catalog-app-links a{display:flex;justify-content:space-between;gap:10px;border:1px solid #dce3ec;border-radius:9px;background:#fff;padding:13px 15px;color:#17304f;text-decoration:none}.catalog-app-links a:hover{border-color:#155eef;color:#155eef}.catalog-faq{padding:72px 0}.catalog-faq-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}.catalog-faq details{border:1px solid #dce3ec;border-radius:10px;padding:18px;background:#fff}.catalog-faq summary{font-weight:700;cursor:pointer;color:#142b49;line-height:1.45}.catalog-faq details p{color:#617087;line-height:1.65;margin:14px 0 0;font-size:14px}@media(max-width:800px){.catalog-guide{padding:52px 0}.catalog-guide-grid{grid-template-columns:1fr;gap:24px}.catalog-app-links{grid-template-columns:1fr}.catalog-faq-grid{grid-template-columns:1fr}}

/* Keep responsive rules last so the desktop filter layout cannot override them. */
@media(max-width:1100px){.catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}}
@media(max-width:767px){.catalog-shell{margin:20px 0 48px}.catalog-grid{grid-template-columns:minmax(0,1fr);gap:16px}.catalog-toolbar{align-items:flex-start;flex-direction:column;gap:14px;margin-bottom:18px}.catalog-toolbar-actions{display:grid;grid-template-columns:1fr 1fr;width:100%;gap:8px}.catalog-toolbar-actions>a{margin:0;text-align:center}.catalog-toolbar-actions .catalog-sort{grid-column:1/-1;width:100%;justify-content:space-between}.catalog-sort select{flex:1}.catalog-card-body{padding:15px}.catalog-card h3{min-height:0;font-size:16px;line-height:1.35}.catalog-filter-open{margin-bottom:14px}.catalog-guide,.catalog-faq{padding:44px 0}}
@media(max-width:380px){.catalog-toolbar-actions{grid-template-columns:1fr}.catalog-toolbar-actions .catalog-sort{grid-column:auto}}

/* Product comparison dialog */
.catalog-compare-bar{z-index:100050}
.catalog-compare-dialog{z-index:100100;overflow:hidden;padding:16px;background:rgba(5,18,41,.76);box-sizing:border-box}
.catalog-compare-panel{position:relative;display:flex;flex-direction:column;width:min(1180px,100%);max-width:none;max-height:calc(100vh - 32px);margin:auto;padding:24px;box-sizing:border-box;border-radius:18px;box-shadow:0 24px 70px rgba(3,18,45,.28)}
.catalog-compare-panel>h2{margin:0 48px 18px 0;font-size:26px;line-height:1.25;color:#0b2144}
.catalog-compare-close{position:absolute;top:18px;right:18px;z-index:3;width:38px;height:38px;border:1px solid #dce4ee;border-radius:50%;background:#fff;color:#17345b;font-size:25px;line-height:34px;cursor:pointer}
#catalog-compare-table{min-height:0;overflow:hidden}
.catalog-compare-scroll{max-width:100%;max-height:calc(100vh - 190px);overflow:auto;border:1px solid #dce4ee;border-radius:12px;background:#fff}
.catalog-compare-loading{padding:44px 20px;text-align:center;color:#5a6b82}
.catalog-compare-table{width:100%;min-width:760px;margin:0;border-collapse:separate;border-spacing:0}
.catalog-compare-table th,.catalog-compare-table td{min-width:190px;padding:13px 15px;border-right:1px solid #e5eaf0;border-bottom:1px solid #e5eaf0;text-align:left;vertical-align:middle;line-height:1.45}
.catalog-compare-table th:first-child,.catalog-compare-table td:first-child{position:sticky;left:0;z-index:1;min-width:170px;width:170px;background:#f7f9fc;font-weight:700;color:#18385f}
.catalog-compare-table thead th{position:sticky;top:0;z-index:2;background:#102f59;color:#fff;vertical-align:top}
.catalog-compare-table thead th:first-child{z-index:4;background:#0b2649;color:#fff}
.catalog-compare-table tr.is-different td{background:#fff8e7}
.catalog-compare-table tr.is-different td:first-child{background:#ffefbd;color:#7b4a00}
.catalog-compare-table img{display:block;width:150px;height:105px;margin:0 0 10px;object-fit:contain;border-radius:8px;background:#fff}
.catalog-compare-table a{color:#1768c4;font-weight:700;text-decoration:none}
.catalog-compare-table thead a{color:#fff}
.catalog-compare-table a:hover{text-decoration:underline}
.catalog-dialog-open{overflow:hidden}

@media(max-width:800px){
  .catalog-compare-dialog{padding:8px}
  .catalog-compare-panel{max-height:calc(100vh - 16px);padding:18px 12px 14px;border-radius:13px;overflow:hidden}
  .catalog-compare-panel>h2{margin-right:42px;font-size:21px}
  .catalog-compare-close{top:12px;right:12px}
  .catalog-compare-scroll{max-height:calc(100vh - 145px)}
  .catalog-compare-table{min-width:680px}
  .catalog-compare-table th,.catalog-compare-table td{min-width:160px;padding:11px 12px;font-size:13px}
  .catalog-compare-table th:first-child,.catalog-compare-table td:first-child{min-width:135px;width:135px}
  .catalog-compare-table img{width:120px;height:84px}
  .catalog-compare-bar{left:10px;right:10px;bottom:10px;width:auto;max-width:none;transform:none}
}