@media (max-width:1080px){.main-nav{position:absolute;left:16px;right:16px;top:100%;display:none;grid-template-columns:repeat(2,1fr);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:12px}.main-nav.open{display:grid}.menu-toggle{display:inline-flex;width:42px;height:42px;align-items:center;justify-content:center;border:1px solid var(--line);background:#fff;border-radius:6px;font-size:22px}.header-cta .phone{display:none}.navwrap{position:relative}.products-grid{grid-template-columns:repeat(3,1fr)}.knowledge-list{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){body{padding-bottom:96px}h1{font-size:30px}h2{font-size:22px}.container,.narrow{width:min(100% - 28px,1180px)}.topline{display:none}.navwrap{min-height:72px;width:calc(100% - 24px)}.brand{min-width:0;gap:10px}.brand>img,.brand-mark{width:42px;height:42px;flex:0 0 42px}.brand strong,.brand-title{font-size:18px}.brand small{display:block;font-size:10px;line-height:1.15}.brand-note,.brand em,.brand-subtitle,.brand-operator{display:none}.header-cta{display:none}.hero,.page-hero{padding:28px 0}.hero-grid,.two-col,.product-detail{grid-template-columns:1fr}.quick-panel{padding:16px}.inquiry-form{grid-template-columns:1fr}.section{padding:38px 0}.section-head{display:block}.products-grid,.service-grid,.value-grid,.quote-panels,.market-cards{grid-template-columns:1fr}.card-actions,.hero-actions{display:grid;grid-template-columns:1fr 1fr}.hero-actions .btn:first-child{grid-column:1/-1}.footer-grid{grid-template-columns:1fr}.footer-brand{align-items:center}.footer-brand img{width:44px;height:44px}.mobile-actions{display:grid;grid-template-columns:repeat(3,1fr);position:fixed;left:0;right:0;bottom:0;background:#fff;border-top:1px solid var(--line);box-shadow:0 -8px 20px rgba(0,0,0,.08);z-index:30}.mobile-actions a{min-height:58px;display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--blue);font-size:14px}.map-placeholder{min-height:200px}.brand-portrait{width:min(86vw,520px)}.article h1{font-size:28px}.site-footer .container.footer-grid-layout{grid-template-columns:1fr;padding:36px 20px 28px;gap:18px}.site-footer .footer-link-list{grid-template-columns:repeat(2,minmax(0,1fr))}.site-footer .footer-brand img{width:38px;height:38px}.site-footer .footer-brand-title{font-size:18px}.site-footer .footer-bottom-inner{padding:14px 20px 16px}.site-footer .footer-copyright-line,.site-footer .footer-copyright-note{font-size:11px}.site-footer .footer-brand-positioning,.site-footer .footer-brand-tagline,.site-footer .footer-brand-service,.site-footer .footer-brand-operator{white-space:normal}.site-footer .footer-contact-group .btn,.site-footer .footer-small-btn{width:100%}.merchant-join-page .merchant-capability-options{grid-template-columns:repeat(2,minmax(0,1fr));display:grid;gap:10px}.merchant-join-page .merchant-capability-option{width:100%;min-height:42px;padding:9px 12px;border-radius:12px;white-space:normal}.merchant-join-page .merchant-capability-option span{white-space:normal;font-size:14px;line-height:1.35}.merchant-join-page .merchant-capability-option input{width:16px;height:16px}}
@media (max-width:420px){.card-actions,.hero-actions{grid-template-columns:1fr}.btn{width:100%}.main-nav{grid-template-columns:1fr}.mobile-actions a{font-size:13px}.filters{display:grid;grid-template-columns:1fr 1fr}.filters input{grid-column:1/-1}}

@media (max-width:640px){.merchant-join-page .merchant-capability-options{gap:10px}.merchant-join-page .merchant-capability-option{min-height:42px;padding:9px 12px;white-space:normal;border-radius:12px}.merchant-join-page .merchant-capability-option span{white-space:normal;font-size:14px}}

@media (max-width:1080px){.site-footer .container.footer-grid-layout{grid-template-columns:1fr 1fr;gap:24px}.site-footer .footer-brand{grid-column:1/-1}.site-footer .footer-link-list{grid-template-columns:1fr}.site-footer .footer-brand-head{align-items:center}.site-footer .footer-contact-group{padding:0;margin:0;border:0}}
@media (max-width:760px){.site-footer .container.footer-grid-layout{grid-template-columns:1fr;padding:36px 20px 28px;gap:18px}.site-footer .footer-link-list{grid-template-columns:repeat(2,minmax(0,1fr))}.site-footer .footer-brand img{width:38px;height:38px}.site-footer .footer-brand-title{font-size:18px}.site-footer .footer-bottom-inner{padding:14px 20px 16px}.site-footer .footer-copyright-line,.site-footer .footer-copyright-note{font-size:11px}.site-footer .footer-brand-positioning,.site-footer .footer-brand-tagline,.site-footer .footer-brand-service,.site-footer .footer-brand-operator{white-space:normal}.site-footer .footer-contact-group .btn,.site-footer .footer-small-btn{width:100%}.brand-portrait{width:min(86vw,520px)}} 
@media (max-width:420px){.site-footer .footer-link-list{grid-template-columns:1fr}.site-footer .footer-contact-group p{line-height:1.45}.site-footer .footer-small-btn{font-size:13px;padding:6px 10px}}
.site-footer .footer-inner{grid-template-columns:1.35fr .9fr 1.15fr .85fr}
@media (max-width:1080px){.site-footer .footer-inner{grid-template-columns:1fr 1fr;gap:24px}.site-footer .footer-brand-col{grid-column:1/-1}.site-footer .footer-nav-links,.site-footer .footer-service-links{grid-template-columns:1fr}.site-footer .footer-brand-head{align-items:center}.site-footer .footer-contact-group{padding:0;margin:0;border:0}}
@media (max-width:760px){.site-footer .footer-inner{grid-template-columns:1fr;padding:36px 20px 18px;gap:18px}.site-footer .footer-nav-links,.site-footer .footer-service-links{grid-template-columns:repeat(2,minmax(0,1fr))}.site-footer .footer-brand-head img{width:38px;height:38px}.site-footer .footer-brand-title{font-size:18px}.site-footer .footer-bottom-inner{padding:14px 20px 16px}.site-footer .footer-copyright-line,.site-footer .footer-copyright-note{font-size:11px}.site-footer .footer-brand-positioning,.site-footer .footer-brand-tagline,.site-footer .footer-brand-service,.site-footer .footer-brand-operator{white-space:normal}.site-footer .footer-qr-btn{width:100%}.site-footer .footer-contact-group{padding-bottom:12px;margin-bottom:12px}.site-footer .footer-contact-group:last-child{padding-bottom:0;margin-bottom:0;border-bottom:none}.brand-portrait{width:min(86vw,520px)}}
@media (max-width:420px){.site-footer .footer-nav-links,.site-footer .footer-service-links{grid-template-columns:1fr}.site-footer .footer-contact-group p{line-height:1.45}.site-footer .footer-qr-btn{font-size:13px;padding:6px 10px}}
/* footer rebuild overrides */
.site-footer .footer-inner{grid-template-columns:1.2fr .9fr 1.05fr .85fr;gap:24px;padding:40px 32px 22px}
.site-footer .footer-brand-col{display:grid;gap:8px}
.site-footer .footer-brand-head{display:flex;align-items:flex-start;gap:10px}
.site-footer .footer-brand-col .footer-brand-head img{width:38px;height:38px;flex:0 0 38px;object-fit:contain}
.site-footer .footer-brand-title{font-size:18px}
.site-footer .footer-brand-positioning,.site-footer .footer-brand-tagline,.site-footer .footer-brand-service,.site-footer .footer-brand-operator{font-size:12px;line-height:1.5}
.site-footer .footer-text-links{display:grid;gap:6px}
.site-footer .footer-text-link{display:inline-flex;align-items:center;gap:8px;color:#d8e8f4;text-decoration:none;font-size:13px;line-height:1.55;padding:0;background:none;border:0}
.site-footer .footer-text-link:hover{text-decoration:underline;color:#fff;background:none}
.site-footer .footer-contact-list{display:grid;gap:10px}
.site-footer .footer-contact-group{padding:0 0 12px;margin:0;border:0;border-bottom:1px solid rgba(255,255,255,.12)}
.site-footer .footer-contact-group:last-child{padding-bottom:0;border-bottom:none}
.site-footer .footer-contact-group strong{font-size:14px}
.site-footer .footer-contact-group p{font-size:13px;line-height:1.45}
.site-footer .footer-qr-btn{display:inline-flex;align-items:center;justify-content:center;min-height:32px;padding:6px 10px;border-radius:6px;background:#fff;color:#12395a;font-size:12px;font-weight:700;text-decoration:none;border:none;cursor:pointer;justify-self:start}
.site-footer .footer-bottom{margin-top:16px}
.site-footer .footer-bottom-inner{padding:12px 32px 14px}
.site-footer .footer-copyright-line,.site-footer .footer-copyright-note{line-height:1.5}
.site-footer .footer-copyright-note{font-size:11px}
@media (max-width:1080px){.site-footer .footer-inner{grid-template-columns:1fr 1fr;gap:20px}.site-footer .footer-brand-col{grid-column:1/-1}.site-footer .footer-text-links{grid-template-columns:1fr}.site-footer .footer-brand-head{align-items:center}.site-footer .footer-contact-group{padding-bottom:10px}.site-footer .footer-brand-col .footer-brand-head img{width:36px;height:36px;flex-basis:36px}}
@media (max-width:760px){.site-footer .footer-inner{grid-template-columns:1fr;padding:30px 20px 18px;gap:16px}.site-footer .footer-text-links{grid-template-columns:repeat(2,minmax(0,1fr))}.site-footer .footer-brand-col .footer-brand-head img{width:34px;height:34px;flex-basis:34px}.site-footer .footer-brand-title{font-size:17px}.site-footer .footer-bottom-inner{padding:12px 20px 14px}.site-footer .footer-copyright-line,.site-footer .footer-copyright-note{font-size:11px}.site-footer .footer-brand-positioning,.site-footer .footer-brand-tagline,.site-footer .footer-brand-service,.site-footer .footer-brand-operator{white-space:normal}.site-footer .footer-qr-btn{width:100%}.site-footer .footer-contact-group{padding-bottom:12px;margin-bottom:12px;border-bottom:1px solid rgba(255,255,255,.12)}.site-footer .footer-contact-group:last-child{padding-bottom:0;margin-bottom:0;border-bottom:none}.brand-portrait{width:min(86vw,520px)}}

@media (max-width:760px){
  .mobile-actions a,
  .mobile-actions button{
    min-height:58px;
    display:flex;
    align-items:center;
    justify-content:center;
    font-weight:700;
    color:var(--blue);
    font-size:14px;
    text-decoration:none;
    border:0;
    background:#fff;
    border-radius:0;
    padding:0 6px;
    cursor:pointer;
  }
}

/* V2.2 phase 3 final responsive overrides */
.site-footer .footer-inner{grid-template-columns:minmax(320px,1.2fr) minmax(280px,1fr) minmax(220px,.75fr)!important;gap:38px!important;padding:44px 32px 28px!important;max-width:1320px!important}
.site-footer .footer-nav-col{display:none!important}
@media (max-width:1080px){
  .site-footer .footer-inner{grid-template-columns:1fr 1fr!important;gap:24px!important}
  .site-footer .footer-brand-col{grid-column:1/-1}
}
@media (max-width:760px){
  .site-footer .footer-inner{grid-template-columns:1fr!important;padding:32px 20px 18px!important;gap:20px!important}
  .site-footer .footer-service-links{grid-template-columns:repeat(2,minmax(0,1fr))!important}
  .contact-channel-grid{grid-template-columns:1fr!important}
}
@media (max-width:420px){.site-footer .footer-text-links{grid-template-columns:1fr}.site-footer .footer-contact-group p{line-height:1.45}.site-footer .footer-qr-btn{font-size:12px;padding:6px 10px}}
.merchant-join-page .upload-cards{grid-template-columns:repeat(5,minmax(0,1fr))}
@media (max-width:760px){.merchant-join-page .upload-cards{grid-template-columns:1fr !important;gap:10px}.merchant-join-page .upload-cards div{min-height:auto;width:100%;padding:12px 14px;display:block;box-sizing:border-box}.merchant-join-page .upload-cards strong,.merchant-join-page .upload-cards span{display:block;writing-mode:horizontal-tb !important;text-orientation:mixed !important;white-space:normal;word-break:normal;line-height:1.5}.merchant-join-page .upload-cards strong{margin-bottom:4px}}

body[data-page="product-detail"] .hbeam-weight-controls{grid-template-columns:1fr}
body[data-page="product-detail"] .hbeam-weight-table-shell{display:block}
body[data-page="product-detail"] .hbeam-weight-card-grid{display:none}
body[data-page="product-detail"] .weight-guide-grid{grid-template-columns:1fr}
@media (max-width:760px){
  body[data-page="product-detail"] .hbeam-weight-head{flex-direction:column}
  body[data-page="product-detail"] .hbeam-weight-badges{width:100%}
  body[data-page="product-detail"] .hbeam-weight-controls{grid-template-columns:1fr}
  body[data-page="product-detail"] .hbeam-weight-table-shell{display:none}
  body[data-page="product-detail"] .hbeam-weight-card-grid{display:grid;gap:12px}
  body[data-page="product-detail"] .hbeam-weight-card{padding:14px}
  body[data-page="product-detail"] .hbeam-weight-card-head strong{font-size:17px}
  body[data-page="product-detail"] .hbeam-weight-card-row{flex-direction:column;gap:4px}
body[data-page="product-detail"] .hbeam-weight-card-row strong{word-break:break-word}
  body[data-page="product-detail"] .hbeam-weight-filter{padding:8px 12px}
  body[data-page="product-detail"] .hbeam-weight-search input{padding:10px 12px}
  body[data-page="product-detail"] .hbeam-compact-board-grid{grid-template-columns:1fr;gap:12px}
  body[data-page="product-detail"] .compact-spec-board-card{padding:14px}
  body[data-page="product-detail"] .compact-spec-board-head strong{font-size:17px}
  body[data-page="product-detail"] .compact-spec-table th,body[data-page="product-detail"] .compact-spec-table td{padding:9px 10px}
  body[data-page="product-detail"] .weight-guide-card-copy{padding:14px}
  body[data-page="product-detail"] .weight-guide-card h4{font-size:17px}
  body[data-page="product-detail"] .weight-guide-card-formula{font-size:14px}
}

/* V2.2 phase 3 final polish */
@media (min-width:1081px){
  .navwrap{width:min(1320px,calc(100% - 32px))!important;gap:18px!important}
  .main-nav a{font-size:16px!important;font-weight:900!important;padding:11px 14px!important;border-radius:11px!important}
  .main-nav a.active{background:#dcecff!important;color:#075fe0!important;box-shadow:inset 0 0 0 1px #b8d7ff!important}
}
.site-footer .footer-inner{gap:42px!important;padding:54px 32px 34px!important}
.site-footer h3{margin-bottom:18px!important}
.site-footer .footer-contact-list{gap:22px!important}
.site-footer .footer-contact-group{gap:8px!important}
.site-footer .footer-contact-group p,.site-footer .footer-text-link{line-height:1.75!important}
.contact-channel{min-height:560px!important;grid-template-rows:auto auto auto 1fr auto!important;gap:12px!important}
.contact-channel .contact-qr{min-height:306px!important;align-content:start!important}
.contact-channel .contact-qr img{width:240px!important;height:240px!important;object-fit:contain!important}
.contact-channel .hero-actions{align-self:end!important;margin-top:12px!important}
.contact-channel .btn{min-height:46px!important;border-radius:10px!important}
@media (max-width:760px){
  .site-footer .footer-inner{grid-template-columns:1fr!important;gap:22px!important;padding:36px 20px 22px!important}
  .site-footer .footer-contact-list{gap:18px!important}
  .contact-channel{min-height:0!important}
  .contact-channel .contact-qr{min-height:0!important}
  .contact-channel .contact-qr img{width:min(100%,240px)!important;height:auto!important}
  .contact-channel .hero-actions{display:grid!important;grid-template-columns:1fr!important;gap:10px!important}
}