/* 全站样式：如需修改颜色，请优先调整 :root 中的变量 */
:root {
  --bg: #ffffff;
  --surface: #f3f6f9;
  --surface-2: #eaf4fb;
  --ink: #132238;
  --muted: #5c6b7c;
  --rule: #d9e2ec;
  --primary: #0b2f5b;
  --primary-2: #071d38;
  --accent: #2f8fcf;
  --accent-soft: #dff1fb;
  --white: #ffffff;
  --shadow: 0 18px 45px rgba(7, 29, 56, 0.12);
  --shadow-soft: 0 10px 28px rgba(7, 29, 56, 0.08);
  --radius: 18px;
  --radius-sm: 10px;
  --header-height: 78px;
  --max-width: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; }
.container { width: min(100% - 32px, var(--max-width)); margin: 0 auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* 顶部导航 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255,255,255,0.96);
  border-bottom: 1px solid var(--rule);
  backdrop-filter: blur(12px);
}
.navbar { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 22px; }
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: 190px; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--white);
  border: 1px solid var(--rule);
  box-shadow: 0 8px 18px rgba(7, 29, 56, 0.08);
  overflow: hidden;
  flex: 0 0 auto;
}
.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 4px;
}
.brand strong { display: block; font-size: 18px; color: var(--primary); }
.brand small { display: block; color: var(--muted); font-size: 12px; margin-top: -3px; }
.nav-panel { display: flex; align-items: center; justify-content: flex-end; gap: 18px; flex: 1; }
.nav-menu { display: flex; align-items: center; gap: 4px; margin: 0; padding: 0; list-style: none; }
.nav-menu a { display: inline-flex; padding: 10px 11px; border-radius: 999px; font-size: 15px; color: var(--ink); transition: background .2s ease, color .2s ease; }
.nav-menu a:hover, .nav-menu a.is-active { background: var(--accent-soft); color: var(--primary); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.nav-phone { color: var(--primary); font-weight: 700; white-space: nowrap; }
.nav-contact-link {
  color: var(--primary);
  font-weight: 800;
  white-space: nowrap;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--accent-soft);
}
.nav-toggle { display: none; width: 46px; height: 46px; border: 1px solid var(--rule); border-radius: 12px; background: var(--white); align-items: center; justify-content: center; flex-direction: column; gap: 5px; }
.nav-toggle span:not(.sr-only) { width: 21px; height: 2px; background: var(--primary); border-radius: 2px; }
main { padding-top: var(--header-height); }

/* 通用组件 */
.section { padding: 82px 0; }
.section-soft { background: var(--surface); }
.section-heading { max-width: 760px; margin-bottom: 34px; }
.section-heading.center { margin-inline: auto; text-align: center; }
.eyebrow { margin: 0 0 8px; color: var(--accent); text-transform: uppercase; letter-spacing: .12em; font-size: 13px; font-weight: 800; }
h1, h2, h3 { margin: 0 0 14px; line-height: 1.25; color: var(--ink); }
h1 { font-size: clamp(34px, 5vw, 58px); }
h2 { font-size: clamp(28px, 3.2vw, 40px); }
h3 { font-size: 21px; }
p { margin: 0 0 14px; color: var(--muted); }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 12px 22px; border-radius: 999px; background: var(--primary); color: var(--white); font-weight: 700; border: 1px solid var(--primary); cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-soft); background: var(--primary-2); }
.btn-light { background: var(--white); color: var(--primary); border-color: var(--white); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--accent); }
.btn-small { min-height: 38px; padding: 8px 14px; font-size: 14px; }
.text-link { color: var(--primary); font-weight: 800; display: inline-flex; align-items: center; gap: 6px; }
.text-link::after { content: "→"; color: var(--accent); }
.tag { display: inline-flex; padding: 4px 10px; border-radius: 999px; background: var(--accent-soft); color: var(--primary); font-size: 12px; font-weight: 800; }

/* 首页轮播 */
.hero { background: linear-gradient(135deg, var(--primary-2), var(--primary)); color: var(--white); }
.hero-shell { position: relative; min-height: 620px; display: flex; align-items: stretch; overflow: hidden; }
.hero-slide { display: none; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 48px; width: 100%; padding: 58px 0; }
.hero-slide.is-active { display: grid; }
.hero-slide h1, .hero-slide p { color: var(--white); }
.hero-slide p { opacity: .9; font-size: 18px; }
.hero-slide img { border-radius: 24px; box-shadow: var(--shadow); background: rgba(255,255,255,.08); width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.hero-dots { position: absolute; left: 0; bottom: 34px; display: flex; gap: 10px; }
.hero-dots button { width: 34px; height: 8px; border: 0; border-radius: 999px; color: transparent; cursor: pointer; background: rgba(255,255,255,.35); }
.hero-dots button.is-active { background: var(--accent); width: 52px; }
.hero-arrow {
  position: absolute;
  top: 50%;
  z-index: 5;
  transform: translateY(-50%);
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: transparent;
  font-size: 0;
  line-height: 0;
  cursor: pointer;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  opacity: .62;
  box-shadow: none;
  transition: background .2s ease, transform .2s ease, border-color .2s ease, opacity .2s ease, box-shadow .2s ease;
}
.hero-arrow::before {
  content: "";
  width: 42px;
  height: 42px;
  display: block;
  background: url("../assets/icons/carousel-arrow.png") center / contain no-repeat;
  opacity: .82;
}
.hero-arrow-next::before {
  transform: rotate(180deg);
}
.hero-arrow:hover {
  background: transparent;
  border-color: transparent;
  opacity: .9;
  box-shadow: none;
  transform: translateY(-50%) scale(1.05);
}
.hero-arrow-prev { left: 6px; }
.hero-arrow-next { right: 6px; }

.advantage-grid, .product-grid, .equipment-grid, .cert-grid, .detail-grid, .news-grid { display: grid; gap: 24px; }
.advantage-grid { position: relative; align-items: stretch; }
.advantage-grid { grid-template-columns: repeat(5, 1fr); }
.product-grid { grid-template-columns: repeat(3, 1fr); }
.equipment-grid, .cert-grid, .detail-grid { grid-template-columns: repeat(2, 1fr); }
.news-grid { grid-template-columns: repeat(2, 1fr); }
.info-card, .product-card, .news-card, .cert-card, .detail-card, .note-card, .case-card {
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.info-card:hover, .product-card:hover, .news-card:hover, .cert-card:hover, .detail-card:hover, .case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(47,143,207,.45); }
.info-card { padding: 26px; height: 100%; }
.info-card span { display: inline-flex; color: var(--accent); font-weight: 900; margin-bottom: 14px; }
.info-card-enhanced {
  position: relative;
  z-index: 1;
  overflow: visible;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  transform-origin: center;
  transition: transform .55s cubic-bezier(.16, 1, .3, 1), box-shadow .45s ease, border-color .45s ease, filter .45s ease;
}
.info-card-enhanced::before {
  content: "";
  position: absolute;
  top: -16px;
  bottom: -16px;
  left: -16px;
  right: calc(-1 * (min(360px, 28vw) + 38px));
  z-index: -1;
  border: 1px solid rgba(47,143,207,.22);
  border-radius: 28px;
  background: rgba(255,255,255,.96);
  box-shadow: 0 30px 80px rgba(7,29,56,.16);
  opacity: 0;
  filter: blur(16px);
  transform: translateX(-10px) scale(.95);
  transition: opacity .48s ease, filter .55s cubic-bezier(.16, 1, .3, 1), transform .58s cubic-bezier(.16, 1, .3, 1);
  pointer-events: none;
}
.info-card-enhanced:hover,
.info-card-enhanced:focus-within,
.info-card-enhanced.is-mobile-open {
  z-index: 40;
  transform: translateY(-8px) scale(1.04);
  filter: saturate(1.05);
  box-shadow: 0 28px 70px rgba(7,29,56,.2);
  border-color: rgba(47,143,207,.55);
}
.info-card-enhanced:hover::before,
.info-card-enhanced:focus-within::before,
.info-card-enhanced.is-mobile-open::before {
  opacity: 1;
  filter: blur(0);
  transform: translateX(0) scale(1);
}
.card-media {
  position: absolute;
  top: 50%;
  left: calc(100% + 18px);
  width: min(360px, 28vw);
  min-height: 230px;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.62);
  box-shadow: 0 26px 68px rgba(7,29,56,.24);
  filter: blur(14px);
  transform: translateY(-50%) translateX(-12px) scale(.92);
  transition: opacity .48s ease, filter .55s cubic-bezier(.16, 1, .3, 1), transform .58s cubic-bezier(.16, 1, .3, 1);
}
.info-card-enhanced:hover .card-media,
.info-card-enhanced:focus-within .card-media,
.info-card-enhanced.is-mobile-open .card-media {
  opacity: 1;
  pointer-events: auto;
  filter: blur(0);
  transform: translateY(-50%) translateX(0) scale(1);
}
.info-card-enhanced:nth-child(4) .card-media,
.info-card-enhanced:nth-child(5) .card-media {
  left: auto;
  right: calc(100% + 18px);
  transform: translateY(-50%) translateX(12px) scale(.92);
}
.info-card-enhanced:nth-child(4)::before,
.info-card-enhanced:nth-child(5)::before {
  left: calc(-1 * (min(360px, 28vw) + 38px));
  right: -16px;
  transform: translateX(10px) scale(.95);
}
.info-card-enhanced:nth-child(4):hover .card-media,
.info-card-enhanced:nth-child(4):focus-within .card-media,
.info-card-enhanced:nth-child(4).is-mobile-open .card-media,
.info-card-enhanced:nth-child(5):hover .card-media,
.info-card-enhanced:nth-child(5):focus-within .card-media,
.info-card-enhanced:nth-child(5).is-mobile-open .card-media {
  transform: translateY(-50%) translateX(0) scale(1);
}
.info-card-enhanced:nth-child(4):hover::before,
.info-card-enhanced:nth-child(4):focus-within::before,
.info-card-enhanced:nth-child(4).is-mobile-open::before,
.info-card-enhanced:nth-child(5):hover::before,
.info-card-enhanced:nth-child(5):focus-within::before,
.info-card-enhanced:nth-child(5).is-mobile-open::before {
  transform: translateX(0) scale(1);
}
.card-carousel-slides { position: relative; height: 230px; background: var(--surface); }
.card-carousel-slides img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.03);
  transition: opacity .7s ease, transform .7s cubic-bezier(.16, 1, .3, 1), filter .7s ease;
  filter: blur(5px);
}
.card-carousel-slides img.is-active {
  opacity: 1;
  transform: scale(1);
  filter: blur(0);
}
.card-carousel-arrow {
  position: absolute;
  top: 50%;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  padding: 0;
  transform: translateY(-50%);
  border: 0;
  border-radius: 0;
  background: transparent;
  color: transparent;
  font-size: 0;
  line-height: 0;
  cursor: pointer;
  opacity: .58;
  transition: opacity .2s ease, transform .2s ease;
}
.card-carousel-arrow::before {
  content: "";
  width: 34px;
  height: 34px;
  display: block;
  background: url("../assets/icons/carousel-arrow.png") center / contain no-repeat;
  opacity: .82;
}
.card-carousel-next::before {
  transform: rotate(180deg);
}
.card-carousel-arrow:hover {
  opacity: .9;
  transform: translateY(-50%) scale(1.05);
}
.card-carousel-prev { left: 8px; }
.card-carousel-next { right: 8px; }
.product-card { overflow: hidden; }
.product-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; background: var(--surface); }
.product-card-body { padding: 22px; }
.split-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.image-stack { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.image-stack img, .rounded-img, .hero-product-img { border-radius: var(--radius); box-shadow: var(--shadow-soft); border: 1px solid var(--rule); }
.factory-carousel {
  position: relative;
  min-height: 440px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--rule);
}
.factory-carousel-slides {
  position: absolute;
  inset: 0;
  background: var(--surface);
}
.factory-carousel-slides img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.02);
  filter: blur(4px);
  transition: opacity .7s ease, transform .7s cubic-bezier(.16, 1, .3, 1), filter .7s ease;
}
.factory-carousel-slides img.is-active {
  opacity: 1;
  transform: scale(1);
  filter: blur(0);
}
.factory-carousel .hero-arrow {
  opacity: .46;
}
.factory-carousel .hero-arrow:hover {
  opacity: .72;
}
.check-list { margin: 18px 0 24px; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 28px; margin-bottom: 10px; color: var(--muted); }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--accent); font-weight: 900; }
.logo-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.logo-strip span { display: grid; place-items: center; min-height: 92px; border: 1px dashed var(--accent); border-radius: var(--radius); background: var(--white); color: var(--primary); font-weight: 800; }
.news-card { display: grid; grid-template-columns: 180px 1fr; overflow: hidden; }
.news-card img { width: 100%; height: 100%; object-fit: cover; }
.news-card div { padding: 22px; }
.news-card span, .case-card span { color: var(--accent); font-size: 13px; font-weight: 800; }
.cta-section { padding: 76px 0; background: var(--primary-2); }
.cta-box { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: 38px; border-radius: 26px; background: linear-gradient(135deg, rgba(47,143,207,.22), rgba(255,255,255,.08)); border: 1px solid rgba(255,255,255,.18); }
.cta-box h2, .cta-box p { color: var(--white); }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* 内页 */
.page-hero { padding: 92px 0 74px; background: linear-gradient(135deg, var(--primary-2), var(--primary)); color: var(--white); }
.page-hero h1, .page-hero p { color: var(--white); }
.page-hero p { max-width: 820px; opacity: .92; }
.product-hero .split-layout { align-items: center; }
.stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.stats-grid div { padding: 24px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--rule); }
.stats-grid strong { display: block; color: var(--primary); font-size: 28px; }
.stats-grid span { color: var(--muted); }
.timeline { display: grid; gap: 16px; }
.timeline div { position: relative; padding: 22px 24px 22px 34px; background: var(--white); border: 1px solid var(--rule); border-radius: var(--radius); }
.timeline div::before { content: ""; position: absolute; left: 16px; top: 28px; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.timeline span { color: var(--primary); font-weight: 900; }
.cert-card { padding: 18px; }
.cert-card img { border-radius: 14px; margin-bottom: 16px; }
.process-line { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.process-line div { padding: 24px; min-height: 110px; display: grid; place-items: center; text-align: center; border-radius: var(--radius); background: var(--primary); color: var(--white); font-weight: 900; position: relative; }
.process-line div:not(:last-child)::after { content: "→"; position: absolute; right: -16px; color: var(--accent); font-size: 24px; }
.case-list { display: grid; gap: 24px; }
.case-card { display: grid; grid-template-columns: 320px 1fr; overflow: hidden; }
.case-card img { width: 100%; height: 100%; object-fit: cover; }
.case-card div { padding: 30px; }
.news-category { display: flex; gap: 12px; margin-bottom: 24px; flex-wrap: wrap; }
.news-category span { padding: 8px 14px; border-radius: 999px; background: var(--accent-soft); color: var(--primary); font-weight: 800; }
.news-grid-wide { grid-template-columns: 1fr 1fr; }

/* 表格与联系表单 */
.table-wrap { overflow-x: auto; overflow-y: auto; max-height: 600px; border-radius: var(--radius); border: 1px solid var(--rule); background: var(--white); }
table { width: 100%; border-collapse: collapse; min-width: 520px; }
th, td { padding: 16px 18px; border-bottom: 1px solid var(--rule); text-align: left; }
th { width: 190px; color: var(--primary); background: var(--surface); }
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 36px; align-items: start; }
.contact-info, .message-form { background: var(--white); border: 1px solid var(--rule); border-radius: var(--radius); box-shadow: var(--shadow-soft); padding: 30px; }
.map-placeholder { display: grid; place-items: center; min-height: 180px; margin-top: 20px; border-radius: var(--radius); border: 1px dashed var(--accent); background: var(--surface-2); color: var(--primary); text-align: center; font-weight: 800; }
.form-row { margin-bottom: 16px; }
.form-row label { display: block; margin-bottom: 7px; color: var(--ink); font-weight: 800; }
.form-row input, .form-row select, .form-row textarea {
  width: 100%;
  border: 1px solid var(--rule);
  border-radius: 12px;
  padding: 12px 14px;
  color: var(--ink);
  background: var(--white);
  outline: none;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(47,143,207,.12); }
.field-error { min-height: 20px; margin: 5px 0 0; color: #b42318; font-size: 14px; }
.form-result { margin: 14px 0 0; color: var(--primary); font-weight: 800; }
.business-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.business-card {
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.business-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(47,143,207,.45); }
.business-avatar {
  min-height: 150px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: var(--white);
  font-weight: 900;
  letter-spacing: .08em;
}
.business-card-body { padding: 20px; }
.business-card-body h3 { margin-bottom: 8px; }
.business-phone { color: var(--primary); font-weight: 800; }
.business-motto { font-size: 14px; }

/* 滚动动画：由 JS 给 body 添加 js-ready 后启用 */
.js-ready .reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.js-ready .reveal.is-visible { opacity: 1; transform: translateY(0); }

/* 页脚 */
.site-footer { padding: 56px 0; background: var(--primary-2); color: var(--white); }
.site-footer h2, .site-footer h3, .site-footer p, .site-footer a { color: var(--white); }
.footer-grid { display: grid; grid-template-columns: 1.3fr .8fr 1fr; gap: 34px; }
.footer-links { display: grid; gap: 8px; }
.footer-links a, .footer-consult { opacity: .86; }
.footer-links a:hover, .footer-consult:hover { opacity: 1; color: var(--accent-soft); }
.copyright { margin-top: 22px; opacity: .75; }

@media (max-width: 1080px) {
  .nav-panel { position: absolute; top: var(--header-height); left: 0; right: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 18px 24px 24px; background: var(--white); border-bottom: 1px solid var(--rule); box-shadow: var(--shadow-soft); }
  .nav-panel.is-open { display: flex; }
  .nav-menu { flex-direction: column; align-items: stretch; }
  .nav-menu a { border-radius: 12px; padding: 13px 14px; }
  .nav-actions { margin-top: 14px; flex-direction: column; align-items: stretch; }
  .nav-toggle { display: inline-flex; }
}
@media (max-width: 992px) {
  .hero-slide, .split-layout, .contact-grid, .footer-grid { grid-template-columns: 1fr; }
  .advantage-grid, .product-grid, .equipment-grid, .cert-grid, .detail-grid, .news-grid, .news-grid-wide, .business-grid { grid-template-columns: repeat(2, 1fr); }
  .info-card-enhanced { min-height: 0; overflow: hidden; }
  .info-card-enhanced::before { display: none; }
  .card-media,
  .info-card-enhanced:nth-child(4) .card-media,
  .info-card-enhanced:nth-child(5) .card-media {
    position: relative;
    top: auto;
    left: auto;
    right: auto;
    width: 100%;
    min-height: 0;
    max-height: 0;
    margin-top: 0;
    transform: translateY(12px) scale(.96);
  }
  .info-card-enhanced:hover .card-media,
  .info-card-enhanced:focus-within .card-media,
  .info-card-enhanced.is-mobile-open .card-media,
  .info-card-enhanced:nth-child(4):hover .card-media,
  .info-card-enhanced:nth-child(4):focus-within .card-media,
  .info-card-enhanced:nth-child(4).is-mobile-open .card-media,
  .info-card-enhanced:nth-child(5):hover .card-media,
  .info-card-enhanced:nth-child(5):focus-within .card-media,
  .info-card-enhanced:nth-child(5).is-mobile-open .card-media {
    max-height: 210px;
    margin-top: 18px;
    margin-bottom: 22px;
    transform: translateY(0) scale(1);
  }
  .logo-strip, .process-line { grid-template-columns: repeat(2, 1fr); }
  .process-line div::after { display: none; }
  .case-card { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  :root { --header-height: 70px; }
  .container { width: min(100% - 24px, var(--max-width)); }
  .brand small { display: none; }
  .brand { min-width: 0; }
  .section { padding: 56px 0; }
  .page-hero { padding: 64px 0 52px; }
  .hero-shell { min-height: auto; }
  .hero-slide { padding: 44px 0 76px; }
  .hero-actions, .cta-actions { width: 100%; }
  .hero-arrow {
    top: auto;
    bottom: 24px;
    width: 50px;
    height: 50px;
  }
  .hero-arrow::before {
    width: 34px;
    height: 34px;
  }
  .hero-arrow-prev { left: auto; right: 54px; }
  .hero-arrow-next { right: 8px; }
  .btn { width: 100%; min-height: 50px; }
  .advantage-grid, .product-grid, .equipment-grid, .cert-grid, .detail-grid, .news-grid, .news-grid-wide, .logo-strip, .process-line, .stats-grid, .business-grid { grid-template-columns: 1fr; }
  .news-card { grid-template-columns: 1fr; }
  .cta-box { padding: 26px; align-items: stretch; flex-direction: column; }
  .image-stack { grid-template-columns: 1fr; }
  .contact-info, .message-form { padding: 22px; }
}