/* Radio Integral FINAL visual system v4 — reference page types */
:root{
  --ri-ink:#0a1b34;--ri-navy:#102d52;--ri-blue:#1a5fa8;--ri-sky:#eaf3fb;--ri-red:#e21f2f;
  --ri-paper:#ffffff;--ri-soft:#f5f8fb;--ri-line:#dbe4ee;--ri-muted:#627189;--ri-text:#17253a;
  --ri-radius:18px;--ri-shadow:0 24px 70px rgba(10,27,52,.12);--ri-shadow-sm:0 12px 34px rgba(10,27,52,.08);
}
.final-v4{background:#fff;color:var(--ri-text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
.final-v4 .container{width:min(1280px,calc(100% - 48px));margin-inline:auto}
.final-v4 .topbar{background:#07172d;color:#d9e6f5;border-bottom:1px solid rgba(255,255,255,.08);font-size:12.5px}
.final-v4 .topbar-inner{min-height:33px}.final-v4 .signal-dot{background:#49c17d}.final-v4 .top-contact a{color:#d9e6f5}
.final-v4 .site-header{background:rgba(255,255,255,.96);backdrop-filter:blur(18px);box-shadow:0 1px 0 rgba(10,27,52,.08);position:sticky;top:0;z-index:80}
.final-v4 .nav-wrap{min-height:74px;gap:26px}.final-v4 .brand img{height:50px;width:auto}.final-v4 .desktop-nav{gap:4px;flex:1;justify-content:flex-end}
.final-v4 .desktop-nav>a,.final-v4 .nav-group>button{font-size:13px;font-weight:680;padding:12px 8px;border-radius:9px;color:#24364f}
.final-v4 .desktop-nav>a:hover,.final-v4 .nav-group>button:hover,.final-v4 .desktop-nav>a.active,.final-v4 .nav-group>button.active{background:#eef4f9;color:var(--ri-navy)}
.final-v4 .nav-cta{background:var(--ri-red)!important;color:#fff!important;padding-inline:15px!important;margin-left:4px;box-shadow:0 8px 24px rgba(226,31,47,.18)}
.final-v4 .mega{border:1px solid var(--ri-line);box-shadow:var(--ri-shadow-sm);border-radius:16px;padding:10px;background:#fff}
.final-v4 .skip-link:focus{z-index:9999}
.v4-main{overflow:hidden}.v4-eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--ri-blue);font-size:12px;letter-spacing:.11em;text-transform:uppercase;font-weight:800}
.v4-eyebrow:before{content:"";width:24px;height:2px;background:var(--ri-red)}
.v4-display{font-size:clamp(44px,5vw,78px);line-height:.98;letter-spacing:-.045em;color:var(--ri-ink);margin:18px 0 24px;font-weight:800;max-width:950px}
.v4-h2{font-size:clamp(30px,3vw,50px);line-height:1.05;letter-spacing:-.035em;color:var(--ri-ink);margin:10px 0 18px;font-weight:780}
.v4-h3{font-size:22px;line-height:1.16;letter-spacing:-.02em;color:var(--ri-ink);margin:0 0 10px}
.v4-lead{font-size:19px;line-height:1.65;color:#40536d;max-width:760px;margin:0}.v4-copy{font-size:16px;line-height:1.75;color:#506179;margin:0}
.v4-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.v4-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border-radius:11px;border:1px solid #cbd8e6;color:var(--ri-navy);font-size:14px;font-weight:760;text-decoration:none;transition:.2s ease;background:#fff}
.v4-btn:hover{transform:translateY(-2px);box-shadow:var(--ri-shadow-sm)}.v4-btn.primary{background:var(--ri-navy);color:#fff;border-color:var(--ri-navy)}.v4-btn.red{background:var(--ri-red);color:#fff;border-color:var(--ri-red)}
.v4-section{padding:92px 0}.v4-section.soft{background:var(--ri-soft)}.v4-section.dark{background:#071a32;color:#fff}.v4-section.compact{padding:66px 0}
.v4-section-head{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(300px,.7fr);gap:60px;align-items:end;margin-bottom:42px}.v4-section-head p{margin:0;color:#63748a;line-height:1.7}
.v4-section.dark .v4-h2,.v4-section.dark .v4-h3{color:#fff}.v4-section.dark .v4-copy,.v4-section.dark .v4-section-head p{color:#b9c8da}
/* home */
.v4-home-hero{position:relative;background:linear-gradient(180deg,#f7faff 0,#fff 100%);padding:74px 0 40px;border-bottom:1px solid var(--ri-line)}
.v4-home-hero:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(17,64,111,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(17,64,111,.035) 1px,transparent 1px);background-size:38px 38px;mask-image:linear-gradient(to right,transparent,black 58%,black);pointer-events:none}
.v4-home-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.06fr) minmax(460px,.94fr);gap:58px;align-items:center}
.v4-hero-proof{display:flex;gap:26px;flex-wrap:wrap;margin-top:32px;padding-top:24px;border-top:1px solid var(--ri-line)}.v4-hero-proof div{min-width:135px}.v4-hero-proof strong{display:block;color:var(--ri-ink);font-size:17px}.v4-hero-proof span{display:block;color:#738197;font-size:12px;margin-top:4px}
.v4-system-stage{position:relative;min-height:530px;border-radius:26px;background:radial-gradient(circle at 70% 20%,#e8f3ff 0,transparent 39%),linear-gradient(145deg,#f4f8fc,#e9f1f8);border:1px solid #d9e5f0;box-shadow:var(--ri-shadow);overflow:hidden}
.v4-system-stage:before{content:"";position:absolute;inset:0;background-image:radial-gradient(#97aec7 1px,transparent 1px);background-size:22px 22px;opacity:.28}
.v4-system-stage .device{position:absolute;object-fit:contain;filter:drop-shadow(0 28px 30px rgba(7,23,45,.2));z-index:3}.v4-system-stage .d1{height:340px;left:48px;bottom:42px}.v4-system-stage .d2{height:280px;right:34px;bottom:68px}.v4-system-stage .d3{width:250px;right:48px;top:34px}
.v4-radio-orbit{position:absolute;border:1px solid rgba(29,92,153,.22);border-radius:999px;z-index:1}.v4-radio-orbit.o1{width:420px;height:420px;right:-80px;top:54px}.v4-radio-orbit.o2{width:320px;height:320px;right:-30px;top:104px}.v4-radio-orbit.o3{width:220px;height:220px;right:20px;top:154px}
.v4-stage-label{position:absolute;left:28px;top:26px;z-index:4;background:#071a32;color:#fff;border-radius:12px;padding:12px 14px;box-shadow:0 12px 30px rgba(7,26,50,.16)}.v4-stage-label small{display:block;color:#9ec2e6;text-transform:uppercase;letter-spacing:.09em;font-size:10px}.v4-stage-label strong{font-size:14px}
.v4-stage-note{position:absolute;right:22px;bottom:20px;z-index:4;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);padding:12px 14px;border:1px solid #d7e2ed;border-radius:12px;max-width:215px;color:#4c6078;font-size:12px;line-height:1.45}
.v4-service-ribbon{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--ri-line);border-radius:20px;overflow:hidden;background:#fff;box-shadow:var(--ri-shadow-sm);margin-top:42px;position:relative;z-index:2}
.v4-service-ribbon a{padding:24px 22px;text-decoration:none;color:inherit;border-right:1px solid var(--ri-line);position:relative}.v4-service-ribbon a:last-child{border-right:0}.v4-service-ribbon a:after{content:"→";position:absolute;right:18px;top:22px;color:var(--ri-red);font-weight:800}.v4-service-ribbon small{color:#7d8b9f;font-size:11px;text-transform:uppercase;letter-spacing:.08em}.v4-service-ribbon strong{display:block;color:var(--ri-ink);font-size:18px;margin:6px 0 7px}.v4-service-ribbon span{font-size:13px;line-height:1.55;color:#63748a;display:block;padding-right:18px}
.v4-trust-strip{padding:22px 0;background:#071a32;color:#fff}.v4-trust-grid{display:grid;grid-template-columns:1.15fr repeat(4,.65fr);gap:22px;align-items:center}.v4-trust-grid strong{font-size:15px}.v4-trust-grid span{display:block;color:#9fb1c6;font-size:11px;margin-top:3px}.v4-trust-grid .big{font-size:17px;line-height:1.35}.v4-trust-grid .big span{font-size:12px}
.v4-solution-cards{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}.v4-solution-card{grid-column:span 4;text-decoration:none;color:inherit;background:#fff;border:1px solid var(--ri-line);border-radius:18px;overflow:hidden;box-shadow:0 4px 18px rgba(10,27,52,.04);transition:.2s ease}.v4-solution-card.wide{grid-column:span 6}.v4-solution-card:hover{transform:translateY(-4px);box-shadow:var(--ri-shadow-sm)}
.v4-solution-media{aspect-ratio:16/9;overflow:hidden;background:#eaf1f7}.v4-solution-media img{width:100%;height:100%;object-fit:cover;display:block}.v4-solution-body{padding:22px}.v4-solution-body small{color:var(--ri-blue);font-size:11px;text-transform:uppercase;letter-spacing:.08em;font-weight:800}.v4-solution-body p{font-size:14px;line-height:1.65;color:#66768b;margin:8px 0 0}
.v4-process{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:start}.v4-process-list{border-top:1px solid rgba(255,255,255,.16)}.v4-process-row{display:grid;grid-template-columns:56px 1fr;gap:16px;padding:22px 0;border-bottom:1px solid rgba(255,255,255,.14)}.v4-process-row b{color:#6fa9de;font-size:12px}.v4-process-row strong{display:block;font-size:17px}.v4-process-row span{display:block;color:#aebed1;font-size:13px;line-height:1.55;margin-top:5px}
.v4-system-diagram{position:sticky;top:125px;background:#0b2343;border:1px solid rgba(255,255,255,.12);border-radius:22px;padding:28px;min-height:420px;overflow:hidden}.v4-system-diagram svg{width:100%;height:auto}.v4-system-diagram .caption{color:#a9bdd3;font-size:12px;line-height:1.5;margin-top:14px}
.v4-equipment-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:42px;align-items:center}.v4-product-stack{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.v4-product-card{border:1px solid var(--ri-line);border-radius:18px;background:#fff;text-decoration:none;color:inherit;overflow:hidden}.v4-product-card .media{height:260px;padding:24px;background:linear-gradient(180deg,#f8fbfd,#edf3f8);display:flex;align-items:center;justify-content:center}.v4-product-card img{max-width:100%;max-height:100%;object-fit:contain}.v4-product-card .copy{padding:18px}.v4-product-card small{color:#75859a;text-transform:uppercase;font-size:10px;letter-spacing:.08em}.v4-product-card strong{display:block;color:var(--ri-ink);font-size:16px;margin-top:5px}.v4-product-card span{display:block;color:#66788d;font-size:12.5px;line-height:1.5;margin-top:6px}
.v4-reference-line{display:grid;grid-template-columns:1.2fr repeat(3,1fr);gap:0;border:1px solid var(--ri-line);border-radius:18px;overflow:hidden}.v4-reference-line>div,.v4-reference-line>a{padding:24px;border-right:1px solid var(--ri-line);text-decoration:none;color:inherit;background:#fff}.v4-reference-line>:last-child{border-right:0}.v4-reference-line small{display:block;color:#7d8b9e;font-size:10px;text-transform:uppercase;letter-spacing:.08em}.v4-reference-line strong{display:block;color:var(--ri-ink);font-size:17px;margin-top:6px}.v4-reference-line span{display:block;color:#68798d;font-size:12px;line-height:1.5;margin-top:6px}
/* solution detail */
.v4-breadcrumb{font-size:12px;color:#8390a2;margin-bottom:24px}.v4-breadcrumb a{color:#5e7086;text-decoration:none}.v4-detail-hero{padding:64px 0 58px;background:#f7f9fc;border-bottom:1px solid var(--ri-line)}
.v4-detail-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(500px,1.1fr);gap:62px;align-items:center}.v4-detail-grid .v4-display{font-size:clamp(46px,4.7vw,70px)}
.v4-local-photo{position:relative;border-radius:22px;overflow:hidden;border:1px solid #d5e0eb;background:#e8eef4;box-shadow:var(--ri-shadow)}.v4-local-photo img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block}.v4-photo-label{position:absolute;left:18px;bottom:18px;background:rgba(7,23,45,.9);color:#fff;padding:10px 12px;border-radius:10px;font-size:11px}.v4-photo-label b{display:block}.v4-photo-label span{color:#aec1d8}
.v4-summary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:30px}.v4-summary-grid div{background:#fff;border:1px solid var(--ri-line);border-radius:12px;padding:14px}.v4-summary-grid strong{display:block;color:var(--ri-ink);font-size:13px}.v4-summary-grid span{display:block;color:#728197;font-size:11px;line-height:1.45;margin-top:4px}
.v4-problem-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:50px}.v4-problem-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.v4-problem{border:1px solid var(--ri-line);border-radius:16px;padding:20px;background:#fff}.v4-problem b{display:block;color:var(--ri-blue);font-size:11px;letter-spacing:.08em;text-transform:uppercase}.v4-problem strong{display:block;color:var(--ri-ink);margin-top:8px;font-size:17px}.v4-problem p{font-size:13.5px;line-height:1.6;color:#68798e;margin:8px 0 0}
.v4-role-map{background:#071a32;border-radius:22px;padding:30px;color:#fff}.v4-role-map h3{color:#fff;margin:0 0 20px;font-size:22px}.v4-role-chip{display:flex;justify-content:space-between;gap:20px;padding:15px 0;border-top:1px solid rgba(255,255,255,.12)}.v4-role-chip:first-of-type{border-top:0}.v4-role-chip strong{font-size:14px}.v4-role-chip span{color:#aebed0;font-size:12px;text-align:right;max-width:210px}
.v4-arch{display:grid;grid-template-columns:.95fr 1.05fr;gap:50px;align-items:center}.v4-arch-board{background:#f6f9fc;border:1px solid var(--ri-line);border-radius:22px;padding:25px}.v4-arch-board svg{width:100%;height:auto}.v4-checks{display:grid;gap:13px;margin-top:25px}.v4-check{display:grid;grid-template-columns:30px 1fr;gap:12px;align-items:start}.v4-check i{width:25px;height:25px;border-radius:50%;background:#e8f1fb;color:var(--ri-blue);font-style:normal;display:grid;place-items:center;font-size:12px;font-weight:900}.v4-check strong{display:block;color:var(--ri-ink);font-size:14px}.v4-check span{display:block;color:#68798e;font-size:12.5px;line-height:1.5;margin-top:3px}
.v4-scenario-table{display:grid;border:1px solid var(--ri-line);border-radius:18px;overflow:hidden}.v4-scenario-row{display:grid;grid-template-columns:1fr 1.1fr 1.3fr;background:#fff}.v4-scenario-row>*{padding:17px 20px;border-right:1px solid var(--ri-line);border-top:1px solid var(--ri-line)}.v4-scenario-row>*:last-child{border-right:0}.v4-scenario-row:first-child>*{border-top:0;background:#eef4f9;color:#536579;font-size:11px;text-transform:uppercase;letter-spacing:.07em;font-weight:800}.v4-scenario-row strong{font-size:14px;color:var(--ri-ink)}.v4-scenario-row span{font-size:13px;color:#617288;line-height:1.45}
/* product */
.v4-product-hero{padding:58px 0 64px;background:linear-gradient(180deg,#f7f9fc,#fff);border-bottom:1px solid var(--ri-line)}.v4-product-layout{display:grid;grid-template-columns:minmax(430px,.9fr) minmax(0,1.1fr);gap:70px;align-items:center}.v4-product-stage{min-height:610px;border:1px solid var(--ri-line);border-radius:24px;background:radial-gradient(circle at 50% 40%,#fff 0,#f3f7fb 60%,#eaf1f7 100%);display:grid;place-items:center;position:relative;overflow:hidden}.v4-product-stage:before{content:"";position:absolute;width:460px;height:460px;border:1px solid #dbe6ef;border-radius:50%}.v4-product-stage:after{content:"";position:absolute;width:340px;height:340px;border:1px solid #e1eaf2;border-radius:50%}.v4-product-stage img{position:relative;z-index:2;max-height:510px;max-width:78%;object-fit:contain;filter:drop-shadow(0 30px 35px rgba(7,23,45,.2))}.v4-product-badge{position:absolute;left:20px;top:20px;z-index:4;background:#071a32;color:#fff;padding:9px 11px;border-radius:9px;font-size:10px;text-transform:uppercase;letter-spacing:.08em}.v4-product-badge.red{background:var(--ri-red);left:auto;right:20px}
.v4-product-title{font-size:clamp(44px,4.5vw,68px);line-height:1;letter-spacing:-.04em;color:var(--ri-ink);margin:14px 0 20px}.v4-product-status{display:inline-flex;padding:8px 10px;border-radius:8px;background:#eaf3fb;color:#16558e;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.06em}.v4-product-intro{font-size:17px;line-height:1.7;color:#4d6078}.v4-keyfacts{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:25px}.v4-keyfact{border:1px solid var(--ri-line);border-radius:12px;padding:14px;background:#fff}.v4-keyfact small{display:block;color:#7b899d;text-transform:uppercase;letter-spacing:.07em;font-size:9.5px}.v4-keyfact strong{display:block;color:var(--ri-ink);font-size:13px;line-height:1.4;margin-top:6px}
.v4-product-nav{display:flex;gap:6px;flex-wrap:wrap;margin-top:26px}.v4-product-nav a{font-size:12px;color:#465a72;text-decoration:none;border:1px solid var(--ri-line);padding:9px 11px;border-radius:8px;background:#fff}
.v4-spec-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:52px}.v4-spec-aside{position:sticky;top:120px;align-self:start}.v4-spec-list{border-top:1px solid var(--ri-line)}.v4-spec-row{display:grid;grid-template-columns:.7fr 1.3fr;gap:20px;padding:18px 0;border-bottom:1px solid var(--ri-line)}.v4-spec-row span{color:#748397;font-size:12px}.v4-spec-row strong{color:var(--ri-ink);font-size:14px}.v4-feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.v4-feature{border:1px solid var(--ri-line);border-radius:16px;padding:20px;background:#fff}.v4-feature small{color:var(--ri-blue);font-weight:800}.v4-feature h3{font-size:17px;color:var(--ri-ink);margin:8px 0}.v4-feature p{font-size:13px;line-height:1.55;color:#68798e;margin:0}.v4-source{font-size:11px;line-height:1.6;color:#7b899b;border-left:3px solid #c9d8e8;padding-left:12px;margin-top:22px}
.v4-cta-panel{background:#071a32;border-radius:22px;padding:34px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:40px}.v4-cta-panel h2{font-size:30px;margin:0 0 8px}.v4-cta-panel p{margin:0;color:#b9c8da;line-height:1.6;max-width:720px}
/* footer */
.final-v4 .footer{background:#061427}.final-v4 .footer-grid{padding-top:50px}.final-v4 .footer-logo{height:48px}
@media(max-width:1180px){.final-v4 .desktop-nav{display:none}.final-v4 .menu-toggle{display:flex}.v4-home-hero-grid,.v4-detail-grid,.v4-product-layout{grid-template-columns:1fr;}.v4-system-stage{min-height:500px}.v4-product-layout{gap:34px}.v4-product-stage{min-height:520px}.v4-service-ribbon{grid-template-columns:repeat(2,1fr)}.v4-service-ribbon a:nth-child(2){border-right:0}.v4-service-ribbon a:nth-child(-n+2){border-bottom:1px solid var(--ri-line)}.v4-process,.v4-equipment-grid,.v4-problem-grid,.v4-arch,.v4-spec-layout{grid-template-columns:1fr}.v4-system-diagram,.v4-spec-aside{position:relative;top:auto}}
@media(max-width:820px){.final-v4 .container{width:min(100% - 30px,1280px)}.v4-section{padding:66px 0}.v4-section-head{grid-template-columns:1fr;gap:15px}.v4-home-hero{padding-top:42px}.v4-home-hero-grid{gap:35px}.v4-display{font-size:clamp(40px,12vw,58px)}.v4-lead{font-size:17px}.v4-system-stage{min-height:410px}.v4-system-stage .d1{height:270px;left:25px;bottom:35px}.v4-system-stage .d2{height:220px;right:14px;bottom:55px}.v4-system-stage .d3{width:190px;right:20px;top:36px}.v4-stage-note{display:none}.v4-trust-grid{grid-template-columns:1fr 1fr}.v4-trust-grid .big{grid-column:1/-1}.v4-solution-card,.v4-solution-card.wide{grid-column:span 6}.v4-product-stack{grid-template-columns:1fr 1fr}.v4-product-card:last-child{grid-column:1/-1}.v4-reference-line{grid-template-columns:1fr 1fr}.v4-reference-line>*{border-bottom:1px solid var(--ri-line)}.v4-detail-grid{gap:32px}.v4-summary-grid{grid-template-columns:1fr}.v4-problem-list{grid-template-columns:1fr}.v4-scenario-row{grid-template-columns:1fr}.v4-scenario-row>*{border-right:0}.v4-feature-grid{grid-template-columns:1fr 1fr}.v4-cta-panel{align-items:flex-start;flex-direction:column}.v4-product-stage{min-height:450px}.v4-product-stage img{max-height:390px}.v4-keyfacts{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.final-v4 .topbar{display:none}.final-v4 .nav-wrap{min-height:66px}.final-v4 .brand img{height:44px}.v4-home-hero{padding-top:30px}.v4-system-stage{min-height:340px;border-radius:18px}.v4-system-stage .d1{height:220px;left:12px;bottom:28px}.v4-system-stage .d2{height:180px;right:4px;bottom:38px}.v4-system-stage .d3{width:145px;right:12px;top:34px}.v4-stage-label{left:14px;top:14px}.v4-service-ribbon{grid-template-columns:1fr}.v4-service-ribbon a{border-right:0!important;border-bottom:1px solid var(--ri-line)!important}.v4-service-ribbon a:last-child{border-bottom:0!important}.v4-trust-grid{grid-template-columns:1fr 1fr;gap:16px}.v4-solution-card,.v4-solution-card.wide{grid-column:1/-1}.v4-process{gap:30px}.v4-product-stack{grid-template-columns:1fr}.v4-product-card:last-child{grid-column:auto}.v4-reference-line{grid-template-columns:1fr}.v4-reference-line>*{border-right:0}.v4-detail-hero{padding-top:36px}.v4-local-photo img{aspect-ratio:16/11}.v4-product-stage{min-height:380px}.v4-product-stage img{max-height:330px}.v4-keyfacts{grid-template-columns:1fr}.v4-feature-grid{grid-template-columns:1fr}.v4-spec-row{grid-template-columns:1fr;gap:5px}.v4-cta-panel{padding:26px}.v4-cta-panel h2{font-size:25px}}
/* v4.1 — structured hero equipment board, no floating/cropped imagery */
.v4-system-stage{padding:82px 24px 54px;display:block}
.v4-system-stage:before{z-index:0}
.v4-system-stage-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;grid-template-rows:132px 1fr;gap:14px;height:100%}
.v4-stage-infra{grid-column:1/-1;border:1px solid rgba(18,72,122,.14);border-radius:16px;background:rgba(255,255,255,.83);display:flex;align-items:center;justify-content:space-between;padding:18px 24px;overflow:hidden}
.v4-stage-infra div small,.v4-stage-radio div small{display:block;color:#74869b;font-size:10px;text-transform:uppercase;letter-spacing:.08em}
.v4-stage-infra div strong,.v4-stage-radio div strong{display:block;color:var(--ri-ink);font-size:15px;margin-top:4px}
.v4-stage-infra img{width:230px;height:82px;object-fit:contain;filter:drop-shadow(0 12px 18px rgba(7,23,45,.16))}
.v4-stage-radio{border:1px solid rgba(18,72,122,.14);border-radius:16px;background:rgba(255,255,255,.83);display:grid;grid-template-columns:1fr 82px;align-items:center;min-height:280px;padding:18px;overflow:hidden}
.v4-stage-radio img{width:100%;height:255px;object-fit:contain;filter:drop-shadow(0 18px 20px rgba(7,23,45,.16))}
.v4-stage-radio div{align-self:end;padding:0 0 5px 0}
.v4-radio-orbit,.v4-system-stage>.device{display:none!important}
@media(max-width:820px){.v4-system-stage{padding:76px 16px 52px;min-height:520px}.v4-system-stage-grid{grid-template-rows:112px 1fr}.v4-stage-infra{padding:14px 16px}.v4-stage-infra img{width:165px;height:62px}.v4-stage-radio{grid-template-columns:1fr;min-height:290px}.v4-stage-radio img{height:230px}.v4-stage-radio div{display:none}}
@media(max-width:560px){.v4-system-stage{min-height:620px}.v4-system-stage-grid{grid-template-columns:1fr;grid-template-rows:105px 1fr 1fr}.v4-stage-infra{grid-column:auto}.v4-stage-radio{min-height:210px}.v4-stage-radio img{height:190px}}
.v4-hero-visual{margin:0;border-radius:26px;overflow:hidden;border:1px solid #d9e5f0;background:#eef4fa;box-shadow:var(--ri-shadow);position:relative}
.v4-hero-visual img{width:100%;display:block;aspect-ratio:16/11;object-fit:cover}
.v4-hero-visual figcaption{position:absolute;left:18px;right:18px;bottom:18px;background:rgba(7,26,50,.9);color:#dce8f4;border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:11px 13px;font-size:11px;line-height:1.45;backdrop-filter:blur(8px)}
@media(max-width:560px){.v4-hero-visual{border-radius:18px}.v4-hero-visual img{aspect-ratio:4/3}.v4-hero-visual figcaption{font-size:10px;left:10px;right:10px;bottom:10px}}