/*
Theme Name: ZTWY Industrial
Theme URI: https://10944.snkjdongming.com/
Author: Hermes Agent
Description: Custom industrial B2B theme for sandwich panel website rebuild.
Version: 1.5.0
Requires at least: 6.0
Tested up to: 6.9
Requires PHP: 7.4
Text Domain: ztwy-industrial
*/

:root {
  --primary: #0d2b4d;
  --primary-2: #123f73;
  --accent: #ff7a00;
  --text: #1d2733;
  --muted: #66768a;
  --bg: #f5f7fa;
  --line: #dde5ee;
  --white: #ffffff;
  --dark: #0a1724;
  --shadow: 0 12px 30px rgba(4, 24, 44, .08);
  --shadow-strong: 0 24px 55px rgba(4, 24, 44, .14);
  --container: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.6;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
.container {
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
}
.section {
  padding: 78px 0;
}
.section-head {
  margin-bottom: 32px;
}
.section-head-center {
  text-align: center;
}
.section-head-center .section-desc {
  margin-left: auto;
  margin-right: auto;
}
.section-head-split {
  align-items: end;
}
.align-left {
  margin-left: 0;
  margin-right: 0;
  max-width: 100%;
}
.section-title {
  margin: 0 0 14px;
  font-size: 36px;
  line-height: 1.2;
  color: var(--dark);
  text-transform: uppercase;
}
.section-kicker {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.section-desc {
  max-width: 760px;
  color: var(--muted);
  margin: 0 auto 28px;
}
.btn {
  display: inline-block;
  padding: 13px 26px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  border-radius: 4px;
  border: 0;
  cursor: pointer;
  transition: .2s ease;
}
.btn:hover { transform: translateY(-1px); filter: brightness(.95); }
.btn-outline {
  background: transparent;
  border: 1px solid rgba(255,255,255,.5);
  color: #fff;
}
.btn-secondary {
  background: var(--primary);
  color: #fff;
}
.btn-header {
  padding: 12px 22px;
}
.btn-sidecard {
  width: 100%;
  text-align: center;
}
.card-link {
  display: inline-block;
  margin-top: 16px;
  font-weight: 700;
  color: var(--primary);
}
.product-card-meta {
  margin-bottom: 12px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.site-topbar {
  background: var(--dark);
  color: #cbd7e6;
  font-size: 14px;
}
.site-topbar .container {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 10px 0;
  flex-wrap: wrap;
}
.topbar-left,
.topbar-right {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.site-topbar a { color: #fff; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.97);
  box-shadow: 0 4px 18px rgba(8, 29, 53, .06);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 82px;
}
.site-branding a {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.site-branding strong {
  color: var(--primary);
  font-size: 22px;
  line-height: 1.1;
}
.site-branding span {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.site-nav ul {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.site-nav a {
  font-weight: 700;
  font-size: 14px;
  text-transform: uppercase;
  color: var(--dark);
}
.site-nav .menu {
  margin: 0;
  padding: 0;
}
.site-header-cta {
  flex-shrink: 0;
}

.hero {
  position: relative;
  color: #fff;
  overflow: hidden;
  background: linear-gradient(90deg, rgba(7,22,38,.92) 0%, rgba(7,22,38,.80) 45%, rgba(7,22,38,.62) 100%);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7,22,38,.82) 0%, rgba(7,22,38,.52) 52%, rgba(7,22,38,.18) 100%);
  z-index: 1;
}
.hero .container {
  position: relative;
  z-index: 2;
  min-height: 690px;
  padding: 86px 0;
}
.hero-reference-bg {
  position: absolute;
  inset: 0;
  background-position: center;
  background-size: cover;
  transform: scale(1.03);
}
.hero-reference-overlay-grid {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 64px 64px;
  mix-blend-mode: soft-light;
}
.hero-reference-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr);
  align-items: end;
  gap: 34px;
}
.hero-reference-copy {
  max-width: 760px;
}
.hero-reference-sidecard {
  display: flex;
  justify-content: flex-end;
}
.hero-sidecard-box {
  width: min(360px, 100%);
  padding: 28px;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: var(--shadow-strong);
  backdrop-filter: blur(8px);
}
.hero-sidecard-kicker {
  display: inline-block;
  margin-bottom: 12px;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.hero-sidecard-box h3 {
  margin: 0 0 16px;
  font-size: 24px;
  line-height: 1.3;
}
.hero-sidecard-list {
  display: grid;
  gap: 10px;
  margin-bottom: 22px;
}
.hero-sidecard-list li {
  position: relative;
  padding-left: 18px;
  color: rgba(255,255,255,.88);
}
.hero-sidecard-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  background: var(--accent);
}
.hero h1 {
  margin: 0 0 18px;
  font-size: 56px;
  line-height: 1.08;
  max-width: 780px;
  text-transform: uppercase;
}
.hero p {
  max-width: 720px;
  margin: 0 0 28px;
  color: rgba(255,255,255,.88);
  font-size: 18px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.cards-grid,
.news-grid,
.adv-grid,
.stats-grid,
.footer-grid,
.about-value-grid,
.spec-table,
.mini-stats,
.product-content-layout,
.product-detail-grid,
.contact-wrap,
.project-detail-layout-grid,
.contact-page-grid,
.footer-cta-inner,
.product-advantage-grid {
  display: grid;
  gap: 24px;
}
.cards-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
.product-showcase-grid,
.feature-products-grid { grid-template-columns: repeat(4, minmax(0,1fr)); }
.news-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
.adv-grid { grid-template-columns: repeat(4, minmax(0,1fr)); }
.stats-grid { grid-template-columns: repeat(4, minmax(0,1fr)); }
.footer-grid { grid-template-columns: 1.2fr .8fr .8fr 1fr; }
.about-value-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
.spec-table { grid-template-columns: repeat(2, minmax(0,1fr)); }
.mini-stats { grid-template-columns: repeat(3, minmax(0,1fr)); }
.product-detail-grid { grid-template-columns: 1.05fr .95fr; }
.product-content-layout { grid-template-columns: 1.15fr .85fr; }
.contact-wrap,
.project-detail-layout-grid,
.contact-page-grid { grid-template-columns: 1.1fr .9fr; }
.footer-cta-inner { grid-template-columns: 1.3fr .7fr; align-items: center; }
.product-advantage-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }

.card,
.feature-product-card,
.adv-box,
.product-detail-summary-card,
.side-inquiry-card,
.info-card,
.detail-content-box,
.detail-info-box,
.contact-form-box,
.inquiry-panel,
.side-support-card,
.contact-highlight-box,
.product-bottom-cta-inner,
.product-reference-summary {
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.card,
.feature-product-card { overflow: hidden; }
.product-showcase-card,
.feature-product-card,
.project-reference-card,
.news-reference-card,
.related-product-card {
  transition: transform .2s ease, box-shadow .2s ease;
}
.product-showcase-card:hover,
.feature-product-card:hover,
.project-reference-card:hover,
.news-reference-card:hover,
.related-product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-strong);
}
.card-body,
.feature-product-copy { padding: 22px; }
.card h3, .card h4, .feature-product-copy h3 {
  margin: 0 0 10px;
  color: var(--dark);
}
.card p { margin: 0; color: var(--muted); }
.card-media,
.feature-product-media { display: block; }
.products .card img,
.projects .card img,
.news-grid .card img,
.feature-product-media img,
.project-detail-featured img,
.project-featured-image,
.about-factory-media img,
.product-gallery-main-item img,
.product-gallery-main-image,
.product-gallery-thumb img {
  width: 100%;
  object-fit: cover;
}
.products .card img,
.projects .card img,
.news-grid .card img { height: 230px; }
.feature-product-media img { height: 260px; }
.project-detail-featured img,
.project-featured-image { max-height: 520px; }
.about-factory-media img { height: 100%; min-height: 420px; }
.product-gallery-main-item img,
.product-gallery-main-image,
.product-gallery-thumb img { aspect-ratio: 1 / 1; }
.product-gallery-main-item,
.product-gallery-thumb {
  display: block;
  overflow: hidden;
}
.product-gallery-main-item { border-radius: 10px; }
.product-gallery-thumb { border-radius: 8px; }
.product-gallery,
.product-gallery-main,
.product-gallery-thumbs { display: grid; gap: 16px; }
.product-gallery-thumbs { grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 12px; }

.product-cats {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
  justify-content: center;
}
.product-cats a {
  padding: 10px 16px;
  background: #eef3f8;
  color: var(--primary);
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
}
.product-cats a:hover {
  background: var(--primary);
  color: #fff;
}
.split {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 36px;
  align-items: center;
}
.about-factory-grid {
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
}
.about-factory-copy { padding: 16px 0; }
.quality-section-head {
  margin-bottom: 34px;
}
.mini-stats div {
  background: #f5f7fa;
  padding: 18px 16px;
  border-left: 4px solid var(--accent);
}
.mini-stats strong {
  display: block;
  font-size: 28px;
  color: var(--primary);
}
.mini-stats span {
  color: var(--muted);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.stats {
  background: var(--primary);
  color: #fff;
}
.stat-box {
  background: rgba(255,255,255,.08);
  padding: 28px 20px;
  text-align: center;
  border: 1px solid rgba(255,255,255,.12);
}
.stat-box strong {
  display: block;
  font-size: 34px;
  margin-bottom: 8px;
}
.adv-box { padding: 26px 22px; }
.adv-box h3 { margin-top: 0; }
.adv-box p { margin-bottom: 0; color: var(--muted); }
.contact-highlight-box {
  background: linear-gradient(180deg, #ffffff 0%, #f5f8fc 100%);
}

.contact-block,
.contact-block-reference,
.page-content,
.single-product-shell,
.project-detail-shell,
.about-page-shell,
.contact-page-shell,
.generic-page-shell {
  background: #f7f9fc;
}
.contact-wrap,
.contact-page-grid,
.project-detail-layout-grid { align-items: start; }
.contact-info,
.contact-form-box,
.product-detail-summary-card,
.side-inquiry-card,
.info-card,
.detail-content-box,
.detail-info-box,
.side-support-card,
.product-reference-summary { padding: 28px; }
.contact-list { display: grid; gap: 12px; }
.contact-list li,
.contact-list-large li {
  color: var(--muted);
}
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 14px;
}
.form-grid .full { grid-column: 1 / -1; }
input,
textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  font: inherit;
}
textarea {
  min-height: 140px;
  resize: vertical;
}
.compact-form-grid {
  display: grid;
  gap: 12px;
}

.site-footer {
  background: var(--dark);
  color: #d4deea;
}
.footer-cta-strip {
  background: linear-gradient(90deg, rgba(13,43,77,.96), rgba(18,63,115,.92));
  color: #fff;
  padding: 54px 0;
}
.footer-cta-strip .section-kicker,
.footer-cta-strip h2,
.footer-cta-strip p { color: #fff; }
.footer-cta-strip h2 {
  margin: 0 0 12px;
  font-size: 34px;
}
.footer-cta-actions {
  display: flex;
  gap: 14px;
  justify-content: flex-end;
  flex-wrap: wrap;
}
.site-footer .footer-grid {
  padding-top: 56px;
  padding-bottom: 36px;
}
.site-footer h4 {
  color: #fff;
  margin-top: 0;
}
.site-footer a { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 16px 0 24px;
  color: #94a6ba;
  font-size: 14px;
}

.page-hero {
  padding: 90px 0 70px;
  color: #fff;
  background: linear-gradient(90deg, rgba(8,24,42,.86), rgba(8,24,42,.55)), url('https://shopcdnpro.grainajz.com/category/404749/3541/e481c61a66dffd2f55422f3f85de8877/%E6%B2%B3%E5%8C%97%E4%B8%AD%E5%A4%A9%E4%BC%9F%E4%B8%9A3-1%281%29.jpg') center/cover no-repeat;
}
.page-hero h1 {
  margin: 0;
  font-size: 44px;
  text-transform: uppercase;
}
.product-hero,
.project-hero,
.generic-page-hero {
  padding: 72px 0 58px;
}
.product-hero-compact {
  padding: 24px 0 10px;
}
.zt-breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 18px;
  color: rgba(255,255,255,.84);
  font-size: 14px;
}
.zt-breadcrumb a { color: rgba(255,255,255,.92); }
.zt-breadcrumb .sep { opacity: .7; }
.product-hero-label {
  display: inline-block;
  margin-bottom: 12px;
  padding: 8px 14px;
  background: rgba(255,255,255,.12);
  color: #fff;
  border: 1px solid rgba(255,255,255,.18);
  text-transform: uppercase;
  font-size: 13px;
  letter-spacing: .08em;
}
.product-summary-badge-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.product-summary-badge {
  display: inline-block;
  padding: 7px 12px;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.product-summary-badge.is-light {
  background: #eef3f8;
  color: var(--primary);
}
.product-summary-title,
.product-reference-title {
  margin-top: 0;
  margin-bottom: 18px;
  font-size: 32px;
  line-height: 1.2;
  color: var(--dark);
}
.product-reference-title {
  font-size: 34px;
  text-transform: uppercase;
}
.product-summary {
  margin-bottom: 20px;
  padding: 16px 18px;
  background: #f5f7fa;
  border-left: 4px solid var(--accent);
  color: var(--muted);
}
.product-spec-list,
.project-points {
  display: grid;
  gap: 12px;
  margin: 0 0 26px;
  padding: 0;
}
.product-spec-list li,
.project-points li {
  list-style: none;
  padding: 0 0 12px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}
.product-cta-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.detail-tabs-title {
  margin-bottom: 16px;
  font-size: 24px;
  font-weight: 700;
  color: var(--dark);
}
.detail-content-box > *:first-child,
.product-detail-body > *:first-child { margin-top: 0; }
.detail-info-box {
  margin-top: 28px;
}
.spec-table div {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  background: #f7f9fc;
  border-left: 4px solid var(--accent);
}
.product-advantage-strip {
  margin-top: 28px;
}
.product-advantage-strip h2 {
  margin-top: 0;
}
.product-advantage-grid div {
  padding: 18px 18px 16px;
  background: #f7f9fc;
  border-left: 4px solid var(--accent);
}
.product-advantage-grid strong {
  display: block;
  margin-bottom: 8px;
  color: var(--dark);
}
.product-advantage-grid span {
  color: var(--muted);
}
.side-support-card {
  margin-top: 24px;
}
.side-support-card h3 {
  margin-top: 0;
}
.related-products-block { margin-top: 42px; }
.product-bottom-cta {
  margin-top: 42px;
}
.product-bottom-cta-inner {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 28px;
  align-items: center;
  padding: 34px 32px;
  background: linear-gradient(90deg, rgba(13,43,77,.96), rgba(18,63,115,.92));
  color: #fff;
}
.product-bottom-cta-inner .section-kicker,
.product-bottom-cta-inner h2,
.product-bottom-cta-inner p {
  color: #fff;
}
.product-bottom-cta-inner h2 {
  margin: 0 0 10px;
  font-size: 30px;
}
.product-reference-shell {
  padding-top: 18px;
}
.product-reference-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(300px, .7fr);
  gap: 30px;
  align-items: start;
}
.product-reference-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, .9fr);
  gap: 28px;
  margin-bottom: 28px;
}
.product-reference-meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 14px;
  margin-bottom: 24px;
}
.product-reference-meta-grid div {
  padding: 14px 16px;
  background: #f7f9fc;
  border-left: 4px solid var(--accent);
}
.product-reference-meta-grid strong {
  display: block;
  margin-bottom: 6px;
  color: var(--dark);
}
.product-reference-meta-grid span {
  color: var(--muted);
}
.product-reference-tabs {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.product-tab-link {
  display: inline-block;
  padding: 12px 18px;
  background: #eef3f8;
  color: var(--primary);
  font-weight: 700;
}
.product-tab-link.is-active,
.product-tab-link:hover {
  background: var(--primary);
  color: #fff;
}
.product-reference-content-box {
  margin-bottom: 24px;
}
.product-reference-content-box h2 {
  margin-top: 0;
}
.product-parameter-table {
  margin-top: 16px;
}
.product-reference-sidebar {
  position: sticky;
  top: 110px;
}
.product-reference-inquiry {
  margin-bottom: 24px;
}
.product-reference-support h3 {
  margin-top: 0;
}
.contact-page-content,
.about-page-content { margin-top: 30px; }

@media (max-width: 1100px) {
  .cards-grid,
  .news-grid,
  .adv-grid,
  .stats-grid,
  .footer-grid,
  .about-value-grid,
  .mini-stats,
  .product-showcase-grid,
  .feature-products-grid,
  .split,
  .contact-wrap,
  .project-detail-layout-grid,
  .contact-page-grid,
  .footer-cta-inner,
  .product-detail-grid,
  .product-content-layout,
  .about-factory-grid,
  .hero-reference-inner,
  .product-advantage-grid,
  .product-bottom-cta-inner,
  .product-reference-layout,
  .product-reference-top,
  .product-reference-meta-grid {
    grid-template-columns: repeat(2, minmax(0,1fr));
  }
}
@media (max-width: 900px) {
  .product-gallery-thumbs,
  .spec-table,
  .mini-stats,
  .about-value-grid,
  .product-showcase-grid,
  .feature-products-grid,
  .product-detail-grid,
  .product-content-layout,
  .project-detail-layout-grid,
  .contact-page-grid,
  .footer-cta-inner,
  .about-factory-grid,
  .hero-reference-inner,
  .product-advantage-grid,
  .product-bottom-cta-inner,
  .product-reference-layout,
  .product-reference-top,
  .product-reference-meta-grid {
    grid-template-columns: 1fr;
  }
  .footer-cta-actions {
    justify-content: flex-start;
  }
  .hero-reference-sidecard {
    justify-content: flex-start;
  }
}
@media (max-width: 768px) {
  .site-header .container,
  .site-topbar .container,
  .topbar-left,
  .topbar-right,
  .hero-actions,
  .footer-cta-actions,
  .product-cta-row,
  .site-nav ul,
  .product-cats,
  .form-grid {
    flex-direction: column;
    align-items: flex-start;
  }
  .cards-grid,
  .news-grid,
  .adv-grid,
  .stats-grid,
  .footer-grid,
  .split,
  .contact-wrap,
  .project-detail-layout-grid,
  .contact-page-grid,
  .product-detail-grid,
  .product-content-layout,
  .about-factory-grid,
  .about-value-grid,
  .mini-stats,
  .hero-reference-inner,
  .product-advantage-grid,
  .product-bottom-cta-inner,
  .product-reference-layout,
  .product-reference-top,
  .product-reference-meta-grid {
    grid-template-columns: 1fr;
  }
  .product-reference-sidebar {
    position: static;
  }
  .hero .container { min-height: auto; padding: 56px 0; }
  .hero h1 { font-size: 38px; }
  .section { padding: 56px 0; }
  .section-title { font-size: 30px; }
  .page-hero h1 { font-size: 34px; }
  .hero-sidecard-box,
  .product-bottom-cta-inner {
    padding: 24px;
  }
}