.bxexp,.bxexp *{box-sizing:border-box}.bxexp{--bx-ink:#123f40;--bx-deep:#082f31;--bx-paper:#f5f5ef;--bx-line:#ced9d3;--bx-lime:#d5eb82;--bx-orange:#f36b2b;--bx-muted:#63766e;width:min(1460px,calc(100% - 36px));margin:54px auto 80px;color:var(--bx-ink);font-family:Inter,Manrope,Arial,sans-serif}.bxexp button,.bxexp input{font:inherit}.bxexp__shell{overflow:hidden;border:1px solid #b9cac1;border-radius:24px;background:var(--bx-paper);box-shadow:0 26px 70px rgba(8,47,49,.14)}
.bxexp__head{display:grid;grid-template-columns:minmax(0,1fr) minmax(460px,.9fr);gap:44px;align-items:end;padding:32px 44px 26px;background:var(--bx-deep);color:#fff}.bxexp__kicker{margin:0 0 9px;color:var(--bx-lime);font-size:10px;font-weight:800;letter-spacing:.15em;text-transform:uppercase}.bxexp__head h2{max-width:820px;margin:0;font-size:clamp(30px,3vw,44px);font-weight:630;line-height:.98;letter-spacing:-.045em}.bxexp__intro{max-width:680px;margin:12px 0 0;color:#c9d7d1;font-size:13px;line-height:1.5}.bxexp__tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.bxexp__tab{min-height:64px;padding:11px 13px;border:1px solid rgba(255,255,255,.2);border-radius:11px;background:rgba(255,255,255,.06);color:#e3ece8;cursor:pointer;text-align:left;transition:background .2s,color .2s,transform .2s}.bxexp__tab:hover{background:rgba(255,255,255,.12)}.bxexp__tab:focus-visible,.bxexp button:focus-visible,.bxexp a:focus-visible{outline:3px solid var(--bx-lime);outline-offset:2px}.bxexp__tab[aria-selected="true"]{border-color:var(--bx-lime);background:var(--bx-lime);color:var(--bx-deep);transform:translateY(-2px)}.bxexp__tab-index{display:block;margin-bottom:7px;font:600 9px/1 monospace;letter-spacing:.14em;opacity:.65}.bxexp__tab-label{display:block;font-size:13px;font-weight:750;line-height:1.2}.bxexp__tab-label--short{display:none}
.bxexp__workspace{position:relative;min-height:540px;background-color:var(--bx-paper);background-image:linear-gradient(#dbe5df 1px,transparent 1px),linear-gradient(90deg,#dbe5df 1px,transparent 1px);background-size:28px 28px}.bxexp__status{position:absolute;z-index:5;top:18px;left:20px;display:inline-flex;gap:8px;align-items:center;padding:8px 11px;border:1px solid #cad8d1;border-radius:99px;background:rgba(255,255,255,.92);color:#516b60;font-size:9px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;backdrop-filter:blur(8px)}.bxexp__status::before{width:7px;height:7px;border-radius:50%;background:var(--bx-lime);box-shadow:0 0 0 4px rgba(213,235,130,.25);content:""}.bxexp__panel{min-height:540px}.bxexp__panel[hidden]{display:none}.bxexp__model-layout{display:grid;grid-template-columns:minmax(0,1.62fr) minmax(270px,.38fr);min-height:540px}.bxexp__canvas-host{position:relative;min-width:0;overflow:hidden;background:radial-gradient(circle at 50% 46%,rgba(255,255,255,.86),rgba(226,235,230,.48) 62%,transparent 80%)}.bxexp__canvas-host canvas{display:block;width:100%;height:440px;min-height:0;cursor:default}.bxexp__model-scene{display:grid;place-items:center;min-height:540px;padding:50px 12px 10px}.bxexp--loading .bxexp__canvas-host{background:#e8efea url('assets/bridge-demo-poster.jpg?v=20261025-v3') center/cover no-repeat}.bxexp--loading .bxexp__canvas-host::after,.bxexp--error .bxexp__canvas-host::after{position:absolute;inset:auto 16px 16px;padding:10px 12px;border-radius:7px;background:rgba(255,255,255,.92);color:#355346;content:'Загрузка демонстрационной модели…';font-size:10px;font-weight:800;letter-spacing:.09em;text-transform:uppercase}.bxexp--error .bxexp__canvas-host{background:#e8efea url('assets/bridge-demo-poster.jpg?v=20261025-v3') center/cover no-repeat}.bxexp--error .bxexp__canvas-host::after{content:'3D недоступно — показан кадр модели';background:rgba(8,47,49,.9);color:#fff}.bxexp--error .bxexp__canvas-host canvas{visibility:hidden}
.bxexp__controls{position:relative;z-index:2;display:flex;flex-direction:column;justify-content:flex-end;gap:18px;padding:70px 28px 30px;border-left:1px solid var(--bx-line);background:rgba(248,249,245,.94)}.bxexp__controls h3{margin:0;font-size:23px;font-weight:680;letter-spacing:-.03em}.bxexp__controls p{margin:0;color:var(--bx-muted);font-size:13px;line-height:1.6}.bxexp__range-row{display:grid;gap:8px}.bxexp__range-row label{display:flex;justify-content:space-between;font-size:11px;font-weight:800;letter-spacing:.05em;text-transform:uppercase}.bxexp input[type="range"]{width:100%;accent-color:var(--bx-deep)}.bxexp__button{display:inline-flex;justify-content:center;align-items:center;min-height:43px;padding:0 18px;border:1px solid var(--bx-deep);border-radius:7px;background:var(--bx-deep);color:#fff;cursor:pointer;font-size:12px;font-weight:750;text-decoration:none}.bxexp__button--light{background:transparent;color:var(--bx-deep)}
.bxexp__section-layout{display:grid;grid-template-columns:minmax(0,1.85fr) minmax(320px,1fr);min-height:560px}.bxexp__section-main{position:relative;min-width:0;padding:68px 18px 18px;background:rgba(255,255,255,.64)}.bxexp__section-main canvas{display:block;width:100%;height:500px;min-height:0;border:1px solid #c9d7d0;border-radius:12px;background:#fff}.bxexp__section-toolbar{position:absolute;z-index:4;top:18px;right:18px;display:flex;gap:6px}.bxexp__icon-button{display:grid;width:36px;height:36px;place-items:center;border:1px solid #bdccc5;border-radius:7px;background:rgba(255,255,255,.94);color:var(--bx-deep);cursor:pointer;font-weight:800}.bxexp__section-side{display:flex;min-width:0;flex-direction:column;border-left:1px solid var(--bx-line);background:rgba(248,249,245,.94)}.bxexp__locator{min-height:280px;padding:54px 4px 0;border-bottom:1px solid var(--bx-line)}.bxexp__locator canvas{height:260px}.bxexp__section-controls{display:grid;gap:16px;padding:22px 24px 28px}.bxexp__section-controls h3{margin:0;font-size:20px;letter-spacing:-.025em}.bxexp__preset-row,.bxexp__view-row{display:flex;flex-wrap:wrap;gap:7px}.bxexp__chip{min-height:34px;padding:0 12px;border:1px solid #b9cbc2;border-radius:99px;background:#fff;color:var(--bx-deep);cursor:pointer;font-size:11px;font-weight:750}.bxexp__chip[aria-pressed="true"]{border-color:var(--bx-deep);background:var(--bx-deep);color:#fff}
.bxexp__drawing-layout{display:grid;grid-template-columns:minmax(0,.86fr) minmax(420px,1.14fr);min-height:540px}.bxexp__beam-focus{display:grid;place-items:center;min-width:0;padding:62px 8px 14px}.bxexp__drawing-copy{display:flex;flex-direction:column;justify-content:center;padding:62px 44px 34px;border-left:1px solid var(--bx-line);background:#fff}.bxexp__drawing-copy h3{max-width:620px;margin:0 0 14px;font-size:clamp(28px,3.2vw,50px);line-height:1;letter-spacing:-.045em}.bxexp__drawing-copy>p{max-width:590px;margin:0 0 22px;color:var(--bx-muted);line-height:1.65}.bxexp__drawing-preview{display:grid;grid-template-columns:148px 1fr;gap:18px;align-items:center;margin:0 0 22px;padding:12px;border:1px solid var(--bx-line);border-radius:11px;background:var(--bx-paper)}.bxexp__drawing-preview img{width:148px;height:104px;border-radius:5px;background:#fff;object-fit:cover;object-position:center}.bxexp__drawing-preview strong,.bxexp__drawing-preview span{display:block}.bxexp__drawing-preview span{margin-top:6px;color:var(--bx-muted);font-size:12px}.bxexp__drawing-actions{display:flex;flex-wrap:wrap;gap:10px}
.bxexp__lab-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.bxexp__lab-gallery button{display:grid;grid-template-columns:86px minmax(0,1fr);gap:10px;align-items:center;min-width:0;padding:7px;border:1px solid var(--bx-line);border-radius:9px;background:var(--bx-paper);color:var(--bx-deep);cursor:pointer;text-align:left}.bxexp__lab-gallery button:hover{border-color:#79938a;background:#fff}.bxexp__lab-gallery img{width:86px;height:62px;border-radius:5px;background:#fff;object-fit:cover;object-position:center}.bxexp__lab-gallery span,.bxexp__lab-gallery strong,.bxexp__lab-gallery small{display:block;min-width:0}.bxexp__lab-gallery strong{font-size:12px}.bxexp__lab-gallery small{margin-top:4px;color:var(--bx-muted);font-size:10px;line-height:1.25}
.bxexp__dialog{width:min(1180px,calc(100% - 28px));max-width:none;padding:0;border:0;border-radius:14px;background:#f2f3ef;color:var(--bx-deep);box-shadow:0 25px 100px rgba(0,0,0,.35)}.bxexp__dialog::backdrop{background:rgba(4,26,27,.82)}.bxexp__dialog-head{display:flex;gap:14px;align-items:center;padding:15px 18px;background:var(--bx-deep);color:#fff}.bxexp__dialog-head strong{font-size:14px}.bxexp__dialog-download{margin-left:auto;color:var(--bx-lime);font-size:12px;font-weight:750}.bxexp__dialog-close{width:38px;height:38px;border:1px solid rgba(255,255,255,.35);border-radius:50%;background:transparent;color:#fff;cursor:pointer;font-size:24px}.bxexp__dialog-body{max-height:78dvh;overflow:auto;padding:18px}.bxexp__dialog-caption{margin:0 0 12px;color:var(--bx-muted);font-size:12px}.bxexp__dialog-body img{display:block;width:max(100%,1021px);height:auto;margin:0 auto;background:#fff}
@media(max-width:980px){.bxexp__head{grid-template-columns:1fr;gap:24px}.bxexp__section-layout{grid-template-columns:1fr}.bxexp__section-main{order:1}.bxexp__section-side{order:2;border-top:1px solid var(--bx-line);border-left:0}.bxexp__model-layout,.bxexp__drawing-layout{grid-template-columns:1fr}.bxexp__controls,.bxexp__drawing-copy{border-top:1px solid var(--bx-line);border-left:0;padding-top:28px}.bxexp__locator{min-height:240px}.bxexp__locator canvas{height:230px}}
@media(max-width:620px){.bxexp{width:calc(100% - 20px);margin:30px auto 54px}.bxexp__shell{border-radius:16px}.bxexp__head{padding:20px 14px 14px}.bxexp__head h2{font-size:30px}.bxexp__intro{margin-top:8px;font-size:12px}.bxexp__tabs{grid-template-columns:repeat(3,1fr);gap:5px}.bxexp__tab{display:block;min-height:50px;padding:8px 7px;text-align:center}.bxexp__tab-index{margin:0 0 5px}.bxexp__tab-label--full{display:none}.bxexp__tab-label--short{display:block;font-size:11px}.bxexp__workspace,.bxexp__panel,.bxexp__model-layout,.bxexp__drawing-layout{min-height:0}.bxexp__status{display:none}.bxexp__model-scene{min-height:390px;padding:50px 0 0}.bxexp__canvas-host canvas{height:350px}.bxexp__controls{padding:22px 18px}.bxexp__section-main{padding:58px 8px 8px}.bxexp__section-main canvas{height:430px}.bxexp__section-toolbar{top:12px;right:10px}.bxexp__locator canvas{height:220px}.bxexp__section-controls{padding:20px 18px}.bxexp__beam-focus{min-height:360px;padding:52px 2px 4px}.bxexp__drawing-copy{padding:26px 18px}.bxexp__drawing-preview{grid-template-columns:95px 1fr}.bxexp__drawing-preview img{width:95px;height:72px}.bxexp__dialog-head{flex-wrap:wrap}.bxexp__dialog-download{order:3;width:100%;margin-left:0}}
@media(max-width:620px){.bxexp__lab-gallery{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.bxexp *,.bxexp *::before,.bxexp *::after{scroll-behavior:auto!important;animation:none!important;transition-duration:.01ms!important}}