/* Responsive layout layer: keeps the desktop dossier intact and recomposes it for touch screens. */
html, body { min-width: 0 !important; max-width: 100%; overflow-x: clip; }
body.nav-open { overflow: hidden; }
.page { min-width: 0 !important; max-width: 1440px; }
html:lang(zh) .page { max-width: none; }
.nav-toggle, .nav-disclosure { display: none; }

@media (max-width: 1320px) {
  .container { width: min(100% - 56px, 1180px); }
  .site-header .container { grid-template-columns: 220px minmax(0, 1fr) max-content; column-gap: 18px; }
  .site-logo-link, .site-header .logo { width: 220px; }
  .site-header .main-nav a { font-size: 13px; }
  .site-header .main-nav small { font-size: 10px; }
  .site-header .header-phone span { font-size: 18px; }
  .site-header .header-phone strong { font-size: 15px; }
  .site-header .header-cta { padding: 0 13px; font-size: 13px; }
}

@media (max-width: 1023px) {
  body { background: var(--white, #fff); }
  .page { max-width: none; }
  .container { width: min(100% - 48px, 900px); }

  .topbar { height: 36px; }
  .topbar .container { justify-content: flex-end; }
  .topbar .tagline, .topbar .contact > span { display: none; }
  .topbar .contact { gap: 0; }
  .language-menu button { min-height: 30px; padding: 0 10px; }
  .language-options { top: calc(100% + 4px); }

  .site-header { height: 70px; }
  .site-header .container { grid-template-columns: minmax(0, 1fr) auto; column-gap: 16px; }
  .site-logo-link, .site-header .logo { width: 196px; height: 56px; }
  .site-header .header-action { display: none; }
  .nav-toggle { width: 48px; height: 48px; display: grid; align-content: center; justify-items: center; gap: 5px; padding: 0; border: 1px solid var(--site-header-line); border-radius: 8px; color: var(--site-header-deep); background: #fff; cursor: pointer; }
  .nav-toggle span { width: 22px; height: 2px; display: block; border-radius: 1px; background: currentColor; transition: transform .2s ease, opacity .2s ease; }
  .nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.is-open span:nth-child(2) { opacity: 0; }
  .nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .site-header .main-nav { width: 100%; height: calc(100dvh - 106px); position: fixed; z-index: 1200; top: 106px; left: 0; display: block; overflow-y: auto; padding: 20px 24px calc(34px + env(safe-area-inset-bottom)); border-top: 1px solid var(--site-header-line); background: #fff; box-shadow: 0 20px 42px rgba(6,61,67,.16); opacity: 0; visibility: hidden; transform: translateY(-10px); transition: opacity .2s ease, visibility .2s ease, transform .2s ease; }
  .site-header .main-nav.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
  .site-header .main-nav > a, .site-header .nav-group > a { min-height: 54px; display: flex; align-items: center; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid var(--site-header-line); font-size: 18px; }
  .site-header .main-nav small { margin: 0; font-size: 13px; text-align: right; }
  .site-header .main-nav > a::after, .site-header .nav-group > a::after { display: none; }
  .site-header .nav-group { position: relative; border-bottom: 1px solid var(--site-header-line); }
  .site-header .nav-group > a { border: 0; }
  .nav-disclosure { width: 48px; height: 48px; position: absolute; top: 3px; right: 0; display: grid; place-items: center; padding: 0; border: 0; color: var(--site-header-accent); background: transparent; font-size: 22px; cursor: pointer; transition: transform .2s ease; }
  .nav-group.is-expanded .nav-disclosure { transform: rotate(180deg); }
  .site-header .subnav, .site-header .mega-subnav { width: auto; position: static; display: none; margin: 0 0 14px; padding: 4px 0 6px 14px; opacity: 1; visibility: visible; border: 0; border-left: 1px solid var(--site-header-line); border-radius: 0; box-shadow: none; transform: none; }
  .site-header .subnav::before { display: none; }
  .site-header .nav-group.is-expanded .subnav { display: block; }
  .site-header .subnav a { min-height: 44px; display: flex; align-items: center; padding: 10px 14px; color: var(--site-header-muted); border-radius: 7px; font-size: 16px; }
  .site-header .subnav a:hover, .site-header .subnav a:focus-visible { color: #fff; background: var(--site-header-accent); }

  .inner-hero .container, .solution-hero .container, .article-body .container { grid-template-columns: 1fr; gap: 32px; }
  .inner-hero { min-height: 0; padding: 56px 0; }
  .inner-hero .container { min-height: 0; }
  .hero-copy h1, .solution-hero h1, .article-hero h1 { font-size: clamp(36px, 6.5vw, 46px); }
  .hero-visual { height: 300px; }
  .section { padding: 54px 0 44px; }
  .section-head { align-items: start; flex-direction: column; gap: 14px; margin-bottom: 28px; }
  .section-title { font-size: clamp(30px, 5vw, 36px); }
  .section-lead { max-width: 760px; text-align: left; }

  .catalog-grid, .article-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .case-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .core-pair, .process-grid, .about-split, .solution-summary, .detail-intro, .facts-layout, .case-feature, .news-feature, .contact-layout { grid-template-columns: 1fr; }
  .about-photo, .solution-visual { height: 360px; }
  .profile-timeline { grid-template-columns: 210px 1fr; gap: 28px; }
  .capability-grid, .sitemap-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .assessment { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .assessment-item:nth-child(3) { border-right: 0; }
  .assessment-item:nth-child(-n+3) { border-bottom: 1px solid var(--line); }
  .equipment-line { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .equipment-stage:nth-child(3) { border-right: 0; }
  .equipment-stage:nth-child(-n+3) { border-bottom: 1px solid var(--line); }
  .equipment-stage:nth-child(3)::after { display: none; }
  .qualification-row { grid-template-columns: 190px 1fr; }
  .article-body { padding: 48px 0; }
  .article-cover { width: 100%; max-height: 460px; position: static; }
  .article-content { padding: 30px; }
  .article-body--insight .container { display: block; }
  .article-body--insight .article-cover { width: min(42%, 360px); max-height: none; float: left; margin: 0 28px 20px 0; }
  .about-gallery { grid-template-rows: repeat(2, 190px); }
  .about-process { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .compact-inquiry .container { grid-template-columns: 1fr; gap: 30px; }
  .compact-inquiry .form { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .pd-hero, .pd-hero .container { min-height: 0; }
  .pd-hero { padding: 54px 0 34px; }
  .pd-hero .container { grid-template-columns: 1fr; gap: 22px; }
  .pd-hero-machine { height: 340px; }
  .pd-anchor-wrap { margin-top: 0; }
  .pd-anchor-nav { min-height: 54px; display: flex; overflow-x: auto; border-radius: 0; box-shadow: none; scrollbar-width: thin; }
  .pd-anchor-nav a { min-width: max-content; padding: 0 19px; }
  .pd-section { padding: 52px 0 42px; }
  .pd-feature-panel { grid-template-columns: 1fr; }
  .pd-detail-photo { min-height: 300px; }
  .pd-app-grid, .pd-related { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pd-bottom { grid-template-columns: 1fr; }

  /* Homepage-specific composition */
  .hero { height: auto; min-height: 0; padding: 54px 0 38px; }
  .hero .container { height: auto; grid-template-columns: 1fr; gap: 30px; }
  .hero-copy { padding-left: 0; }
  .hero-copy h1 { max-width: 710px; font-size: clamp(42px, 6.6vw, 58px); }
  .hero-copy p { max-width: 650px; font-size: 18px; }
  .hero-machines { height: 360px; max-width: 760px; }
  .hero-metal { width: 62%; height: 88%; left: 0; bottom: 5%; }
  .hero-wood { width: 50%; height: 80%; right: 0; bottom: 6%; }
  .core-products { padding: 30px 0 18px; }
  .core-grid { grid-template-columns: 1fr; }
  .core-card { min-height: 300px; }
  .benefit-strip { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .benefit:nth-child(3) { border-right: 0; }
  .benefit:nth-child(-n+3) { border-bottom: 1px solid var(--line); }
  .application-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .support-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .case-grid, .news-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .proof-item { padding: 24px 20px; }
  .inquiry { margin-top: 0; }
  .inquiry .container { grid-template-columns: 1fr; gap: 30px; }
  .inquiry-copy h2 { max-width: 720px; }
  .form { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .site-footer .footer-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 34px 28px; }
  .site-footer .footer-brand { grid-column: span 3; max-width: 610px; }
  .site-footer .footer-contact { grid-column: span 2; max-width: 420px; }
  .sticky-sidebar { top: auto; bottom: 18px; transform: none; }
}

@media (max-width: 719px) {
  html { scroll-padding-top: 12px; }
  .container { width: calc(100% - 32px); }
  .topbar { height: 34px; }
  .language-menu button { min-height: 30px; font-size: 13px; }
  .site-header { height: 66px; }
  .site-logo-link, .site-header .logo { width: 172px; height: 51px; }
  .nav-toggle { width: 46px; height: 46px; }
  .site-header .main-nav { height: calc(100dvh - 100px); top: 100px; padding: 14px 16px calc(24px + env(safe-area-inset-bottom)); }
  .site-header .main-nav > a, .site-header .nav-group > a { min-height: 52px; font-size: 17px; }
  .site-header .subnav a { min-height: 46px; font-size: 15px; }

  .button { width: 100%; min-height: 50px; }
  .inner-hero { padding: 38px 0; }
  .breadcrumb { margin-bottom: 16px; font-size: 13px; line-height: 1.65; }
  .hero-copy h1, .solution-hero h1, .article-hero h1 { font-size: clamp(30px, 9vw, 36px); }
  .hero-copy h1 small, .solution-hero h1 small { margin-top: 9px; font-size: 15px; }
  .hero-copy p, .solution-hero p { margin-top: 14px; font-size: 16px; line-height: 1.72; }
  .hero-visual { height: 235px; border-radius: 10px; }
  .hero-badge { right: 12px; bottom: 12px; padding: 9px 11px; font-size: 12px; }
  .section { padding: 42px 0 34px; }
  .section-title { font-size: 29px; }
  .section-title small { margin-top: 7px; font-size: 15px; }
  .section-lead, .long-copy { font-size: 15px; line-height: 1.75; }
  .catalog-grid, .article-grid, .case-grid, .capability-grid, .sitemap-grid, .about-process { grid-template-columns: 1fr; }
  .product-card img { height: 230px; }
  .product-card .body { padding: 18px 18px 22px; }
  .product-card h3 { font-size: 19px; }
  .case-card img { height: 220px; }
  .case-card .body { padding: 19px 18px 22px; }
  .archive-tabs { gap: 7px; overflow-x: auto; margin-bottom: 28px; padding: 8px; white-space: nowrap; }
  .archive-tabs a { padding: 10px 13px; font-size: 14px; }
  .route-panel { min-height: 0; align-items: flex-start; flex-direction: column; gap: 18px; padding: 25px 22px; }
  .route-panel h3 { font-size: 25px; }
  .detail-machine, .about-photo, .solution-visual { height: 290px; }
  .detail-copy h2, .solution-copy h2, .timeline-copy h2, .about-copy h2 { font-size: 29px; }
  .facts-layout, .profile-timeline { grid-template-columns: 1fr; }
  .timeline-year { padding: 25px; }
  .timeline-year strong { font-size: 46px; }
  .use-grid { grid-template-columns: 1fr; }
  .equipment-line { grid-template-columns: 1fr; }
  .equipment-stage, .equipment-stage:nth-child(3) { min-height: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .equipment-stage:last-child { border-bottom: 0; }
  .equipment-stage:not(:last-child)::after { display: none; }
  .qualification-row { grid-template-columns: 1fr; gap: 9px; padding: 19px 0; }
  .related-links { grid-template-columns: 1fr; }
  .article-hero { padding: 38px 0 34px; }
  .article-body { padding: 34px 0; }
  .article-cover { max-height: 280px; }
  .article-content { padding: 23px 20px; border-radius: 8px; }
  .article-content p { font-size: 15px; line-height: 1.82; }
  .article-body--insight .article-cover { width: 100%; max-height: none; float: none; margin: 0 0 22px; }
  .about-gallery { grid-template-columns: 1fr; grid-template-rows: repeat(3, 180px); }
  .about-gallery-main { grid-row: auto; }
  .service-list, .contact-form { grid-template-columns: 1fr; }
  .contact-card { grid-template-columns: 1fr; padding: 20px; }
  .contact-card__qr { display: grid; grid-template-columns: 112px minmax(0,1fr); justify-content: start; gap: 16px; }
  .contact-card__qr img { width: 112px; height: 112px; }
  .contact-card__qr figcaption { margin-top: 0; text-align: left; }
  .contact-qr { padding: 20px; }
  .contact-form { padding: 24px 20px; }
  .contact-form .form-title h2 { font-size: 27px; }
  .assessment { grid-template-columns: 1fr; }
  .assessment-item, .assessment-item:nth-child(3), .assessment-item:nth-child(-n+3) { min-height: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .assessment-item:last-child { border-bottom: 0; }
  .compact-inquiry { padding: 38px 0; }
  .compact-inquiry h2 { font-size: 29px; }
  .compact-inquiry .form { grid-template-columns: 1fr; gap: 13px; padding: 22px 18px; }
  .compact-inquiry .form input, .compact-inquiry .form textarea { min-height: 48px; font-size: 16px; }
  .inquiry-points { gap: 10px; }

  .hero { padding: 38px 0 28px; }
  .hero-copy h1 { font-size: clamp(34px, 10vw, 42px); line-height: 1.16; }
  .hero-copy p { font-size: 16px; line-height: 1.65; }
  .hero-actions { flex-direction: column; gap: 10px; margin-top: 28px; }
  .hero-machines { width: 100%; height: 250px; border-radius: 10px; }
  .hero-metal { width: 66%; height: 88%; }
  .hero-wood { width: 53%; height: 79%; }
  .core-products { padding: 22px 0 10px; }
  .core-card { min-height: 0; grid-template-columns: 1fr; }
  .core-content { padding: 25px 22px 10px; }
  .core-content h2 { font-size: 28px; }
  .core-image { height: 230px; padding: 12px 22px 20px; }
  .benefits { padding: 12px 0 16px; }
  .benefit-strip { grid-template-columns: 1fr; }
  .benefit, .benefit:nth-child(3), .benefit:nth-child(-n+3) { min-height: 0; padding: 18px; border-right: 0; border-bottom: 1px solid var(--line); }
  .benefit:last-child { border-bottom: 0; }
  .applications, .support, .cases, .news { padding: 40px 0 30px; margin-top: 0; }
  .application-grid, .support-grid, .case-grid, .news-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .application-card { min-height: 148px; }
  .application-card img { height: 90px; padding: 7px; }
  .application-card div { padding: 10px 5px 12px; }
  .application-card b { font-size: 14px; }
  .application-card span { font-size: 12px; }
  .support-card img { height: 130px; padding: 12px; }
  .support-card div { padding: 13px 7px 16px; }
  .support-card b { font-size: 14px; }
  .support-card small { font-size: 12px; }
  .case-card .case-body, .news-card > div { padding: 15px 14px 20px; }
  .case-card h3, .news-card h3 { min-height: 0; font-size: 16px; }
  .case-card p, .news-card p { font-size: 13px; }
  .proof-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .proof-item { min-height: 118px; padding: 20px 14px; gap: 10px; border-bottom: 1px solid rgba(255,255,255,.22); }
  .proof-item:nth-child(2) { border-right: 0; }
  .proof-item:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.22); }
  .proof-item:nth-child(n+3) { border-bottom: 0; }
  .proof-num { font-size: 29px; }
  .proof-item b { font-size: 14px; }
  .proof-item small { font-size: 11px; }
  .inquiry { padding: 38px 0; }
  .inquiry-copy h2 { font-size: 29px; }
  .form { grid-template-columns: 1fr; padding: 22px 18px; }
  .form input, .form textarea { min-height: 48px; font-size: 16px; }

  .pd-hero { padding: 36px 0 26px; }
  .pd-breadcrumb { margin-bottom: 18px; font-size: 13px; line-height: 1.65; }
  .pd-title, .pd-copy h1 { font-size: clamp(30px, 9vw, 36px); }
  .pd-lead, .pd-copy > p { margin-top: 14px; font-size: 16px; line-height: 1.7; }
  .pd-actions { flex-direction: column; margin-top: 22px; }
  .pd-hero-machine { height: 250px; }
  .pd-section { padding: 42px 0 34px; }
  .pd-heading { font-size: 27px; }
  .pd-feature-panel { gap: 20px; padding: 20px; }
  .pd-feature-panel li, .pd-feature-intro p { font-size: 15px; }
  .pd-detail-photo { min-height: 230px; }
  .pd-app-grid, .pd-related { grid-template-columns: 1fr; }
  .pd-app-grid > div { min-height: 0; }
  .pd-related .product-card img { height: 200px; }
  .pd-data-table thead { display: none; }
  .pd-data-table, .pd-data-table tbody, .pd-data-table tr, .pd-data-table th, .pd-data-table td { display: block; width: 100%; }
  .pd-data-table tbody tr { padding: 14px 16px; border-bottom: 1px solid #e1ecef; }
  .pd-data-table tbody tr:last-child { border-bottom: 0; }
  .pd-data-table tbody th, .pd-data-table tbody td { padding: 0; border: 0; background: transparent !important; }
  .pd-data-table tbody th { margin-bottom: 5px; font-size: 14px; }
  .pd-data-table tbody td { font-size: 16px; }

  .site-footer { padding: 38px 0 max(20px, env(safe-area-inset-bottom)); }
  .site-footer .footer-grid { grid-template-columns: 1fr; gap: 25px; }
  .site-footer .footer-brand { grid-column: auto; }
  .site-footer .footer-brand img { width: 205px; }
  .site-footer .footer-brand p { max-width: 205px; }
  .site-footer .footer-contact { grid-column: auto; max-width: none; }
  .site-footer .footer-contact__layout.has-qr { grid-template-columns: 1fr; gap: 16px; }
  .site-footer .footer-wechat { justify-self: center; }
  .site-footer h4 { margin-bottom: 9px; }
  .site-footer li { margin: 5px 0; }
  .site-footer .copyright { margin-top: 26px; padding-top: 18px; font-size: 12px; line-height: 1.7; }
  .sticky-sidebar { display: none; }
}

@media (hover: none) {
  .site-header .nav-group:hover .subnav { opacity: 1; visibility: visible; transform: none; }
  .application-card:hover, .support-card:hover, .case-card:hover, .news-card:hover, .product-card:hover, .article-card:hover { transform: none; box-shadow: none; }
  .application-card:active, .support-card:active, .case-card:active, .news-card:active, .product-card:active, .article-card:active { transform: translateY(-2px); }
}

@media (prefers-reduced-motion: reduce) {
  .nav-toggle span, .site-header .main-nav, .nav-disclosure { transition: none; }
}

.tybroad-hp { width: 1px !important; height: 1px !important; position: absolute !important; overflow: hidden !important; clip: rect(0 0 0 0) !important; white-space: nowrap !important; }
.tybroad-form-notice { padding: 14px 16px; border-radius: 8px; font-weight: 700; line-height: 1.6; }
.tybroad-form-notice.success { color: #063d43; background: #e1f1f2; border: 1px solid #87bec2; }
.tybroad-form-notice.error { color: #7c2020; background: #fff1f1; border: 1px solid #d9a0a0; }
.tybroad-inquiry-form .tybroad-form-notice { width: 100%; margin: 0; }
.tybroad-field-error { display: block; margin-top: 6px; color: #a61b1b; font-size: 13px; font-weight: 700; line-height: 1.45; }
.tybroad-field-error[hidden] { display: none; }
.tybroad-inquiry-form input[aria-invalid="true"], .tybroad-inquiry-form textarea[aria-invalid="true"] { border-color: #c43d3d; background: #fff8f8; box-shadow: 0 0 0 2px rgba(196,61,61,.12); }
@media (max-width: 1023px) { .admin-bar .site-header .main-nav { top: 138px; height: calc(100dvh - 138px); } }
@media (max-width: 782px) { .admin-bar .site-header .main-nav { top: 146px; height: calc(100dvh - 146px); } }