:root {
  --graphite: #0d1621;
  --steel: #263442;
  --slate: #4b5b6b;
  --machine-blue: #005b96;
  --bright-blue: #1678b8;
  --safety: #dc7a1a;
  --hazard: #38b8c4;
  --line: #d7dee7;
  --panel: #f5f7fa;
  --panel-strong: #e9eef4;
  --ink: #17212c;
  --muted: #657281;
  --white: #ffffff;
  --shadow: 0 12px 28px rgba(13, 22, 33, 0.08);
  --shadow-strong: 0 22px 48px rgba(13, 22, 33, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: Arial, "Microsoft YaHei", sans-serif;
  line-height: 1.55;
  background: #fbfcfe;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.container {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  color: rgba(255, 255, 255, 0.82);
  background: linear-gradient(90deg, #0b1420, #1a2836);
  font-size: 13px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.topbar-inner,
.topbar-links,
.nav-row,
.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.topbar-inner {
  min-height: 38px;
}

.topbar-links {
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px;
}

.topbar a:hover,
.news-list a:hover {
  color: var(--hazard);
}

.main-nav a:hover {
  color: var(--machine-blue);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.985);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 20px rgba(13, 22, 33, 0.05);
  backdrop-filter: blur(12px);
}

.nav-row {
  min-height: 74px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
  color: var(--graphite);
}

.brand-logo {
  display: block;
  width: 92px;
  height: auto;
  object-fit: contain;
}

.brand-copy b,
.brand-copy small {
  display: block;
}

.brand-copy b {
  font-size: 20px;
  line-height: 1;
}

.brand-copy small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  font-size: 14px;
  font-weight: 800;
}

.main-nav a,
.topbar a,
.news-list a,
.product-menu a,
.btn,
.nav-quote {
  transition: color 0.18s ease, background-color 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.nav-quote,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border: 0;
  border-radius: 2px;
  font-weight: 900;
  cursor: pointer;
}

.nav-quote,
.btn.primary {
  color: var(--white);
  background: linear-gradient(180deg, var(--bright-blue), var(--machine-blue));
  box-shadow: 0 10px 20px rgba(15, 76, 129, 0.18);
}

.nav-quote:hover,
.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(15, 76, 129, 0.24);
}

.btn.ghost {
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.38);
}

.hero {
  position: relative;
  min-height: 540px;
  overflow: hidden;
  background: var(--graphite);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 4px;
  background: linear-gradient(90deg, var(--machine-blue), rgba(181, 138, 58, 0.75), transparent);
  opacity: 0.9;
}

.hero-slides {
  position: absolute;
  inset: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 58% center;
  opacity: 0;
  filter: saturate(0.9) contrast(1.04);
  animation: heroFade 12s infinite both;
}

.hero-slide:nth-child(2) {
  animation-delay: 6s;
}

.factory-gate-slide {
  object-position: center bottom;
}

@keyframes heroFade {
  0%,
  42% {
    opacity: 1;
  }

  50%,
  92% {
    opacity: 0;
  }

  100% {
    opacity: 1;
  }
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(13, 22, 33, 0.9), rgba(13, 22, 33, 0.68) 38%, rgba(13, 22, 33, 0.16) 68%, rgba(255, 255, 255, 0.04) 100%),
    linear-gradient(180deg, rgba(13, 22, 33, 0.1), rgba(13, 22, 33, 0.28));
}

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  min-height: 540px;
  max-width: 1180px;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  color: var(--white);
  padding: 56px 0;
}

.hero-dots {
  display: inline-flex;
  gap: 8px;
  margin-top: 20px;
}

.hero-dots span {
  width: 28px;
  height: 3px;
  background: rgba(255, 255, 255, 0.32);
  animation: heroDot 12s infinite both;
}

.hero-dots span:nth-child(2) {
  animation-delay: 6s;
}

@keyframes heroDot {
  0%,
  42% {
    background: var(--safety);
  }

  50%,
  92% {
    background: rgba(255, 255, 255, 0.32);
  }

  100% {
    background: var(--safety);
  }
}

.eyebrow,
.label,
.section-head span {
  display: inline-block;
  margin: 0 0 10px;
  color: var(--safety);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow {
  padding-left: 12px;
  border-left: 3px solid var(--safety);
}

.hero h1 {
  max-width: 650px;
  margin: 0 0 14px;
  font-size: clamp(34px, 4vw, 54px);
  line-height: 1.08;
  letter-spacing: 0;
  text-shadow: 0 3px 16px rgba(0, 0, 0, 0.24);
}

.hero-product-line {
  max-width: 650px;
  margin: 0 0 16px;
  color: rgba(255, 255, 255, 0.92);
  font-size: clamp(17px, 1.8vw, 23px);
  font-weight: 800;
}

.hero-lede {
  max-width: 620px;
  margin: 0;
  font-size: 18px;
  color: rgba(255, 255, 255, 0.86);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.factory-strip {
  display: grid;
  width: min(640px, 100%);
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 30px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(13, 22, 33, 0.46);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.factory-strip span {
  padding: 11px 12px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 12px;
  font-weight: 900;
  text-align: center;
  border-right: 1px solid rgba(255, 255, 255, 0.14);
}

.factory-strip span:last-child {
  border-right: 0;
}

.section {
  padding: 58px 0;
}

.muted {
  background: var(--panel);
}

.section-head {
  position: relative;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.section-head::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 86px;
  height: 2px;
  background: linear-gradient(90deg, var(--machine-blue), var(--safety));
}

.section-head h2,
.about-row h2,
.contact-grid h2 {
  margin: 0;
  color: var(--graphite);
  font-size: clamp(28px, 3vw, 38px);
  line-height: 1.2;
  letter-spacing: 0;
}

.machinery-layout {
  display: block;
}

.product-menu {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  overflow: hidden;
  margin-bottom: 24px;
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: var(--shadow);
}

.product-menu h3 {
  grid-column: 1 / -1;
  margin: 0;
  padding: 16px 18px;
  color: var(--white);
  font-size: 18px;
  background: linear-gradient(90deg, var(--graphite), var(--steel));
  border-bottom: 2px solid rgba(181, 138, 58, 0.9);
}

.product-menu a {
  position: relative;
  display: block;
  min-height: 52px;
  padding: 14px 18px 14px 28px;
  color: var(--ink);
  font-weight: 800;
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
}

.product-menu a:nth-child(4n + 1) {
  border-right: 0;
}

.product-menu a::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 14px;
  width: 5px;
  height: 5px;
  background: var(--machine-blue);
  transform: translateY(-50%);
}

.product-menu a:hover {
  color: var(--white);
  background: var(--machine-blue);
}

.product-menu a:hover::before {
  background: var(--safety);
}

.machinery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.machine-card,
.simple-grid article,
.quote-form {
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: var(--shadow);
}

.machine-card {
  position: relative;
  display: flex;
  min-height: 440px;
  flex-direction: column;
  overflow: hidden;
  border-top: 3px solid var(--machine-blue);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.machine-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-strong);
  border-color: #c8d3df;
}

.machine-link {
  display: flex;
  height: 100%;
  flex-direction: column;
  color: inherit;
}

.machine-link:hover h3 {
  color: var(--machine-blue);
}

.machine-card::after {
  content: "MACHINE SPEC";
  position: absolute;
  right: 12px;
  bottom: 10px;
  color: rgba(38, 52, 66, 0.18);
  font-size: 11px;
  font-weight: 900;
}

html[lang="zh-CN"] .machine-card::after {
  content: "设备参数";
}

.machine-thumb {
  position: relative;
  height: 188px;
  overflow: hidden;
  color: var(--white);
  background: #e8eef4;
  border-bottom: 1px solid var(--line);
}

.machine-thumb::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 76, 129, 0.08), transparent 42%);
}

.machine-thumb::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 96px;
  height: 3px;
  background: var(--safety);
  opacity: 0.85;
}

.machine-thumb img {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  transform: scale(1.08);
  transform-origin: center center;
}

.machine-thumb span {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  padding: 5px 9px;
  color: var(--white);
  font-size: 12px;
  font-weight: 900;
  background: rgba(15, 76, 129, 0.94);
  border-radius: 2px;
}

.machine-card h3 {
  margin: 16px 16px 8px;
  color: var(--graphite);
  font-size: 17px;
  line-height: 1.3;
}

.machine-card p {
  margin: 0 16px 12px;
  color: var(--muted);
  font-size: 14px;
}

.machine-specs {
  display: grid;
  gap: 6px;
  margin: auto 16px 22px;
  padding: 12px 0 0;
  color: var(--steel);
  font-size: 13px;
  font-weight: 700;
  list-style: none;
  border-top: 1px solid var(--line);
}

.machine-specs li {
  position: relative;
  padding-left: 14px;
}

.machine-specs li::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 0;
  width: 6px;
  height: 6px;
  background: var(--safety);
}

.compact-about {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, #ffffff, #f6f8fb);
}

.about-row {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 42px;
}

.about-copy p,
.contact-grid p {
  margin: 0 0 18px;
  color: var(--muted);
}

.about-photo {
  width: 100%;
  margin-top: 22px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-strong);
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center;
}

.factory-proof-section {
  background: #ffffff;
}

.factory-proof-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 32px;
  align-items: start;
}

.factory-proof-photo {
  position: relative;
  align-self: start;
  height: clamp(420px, 38vw, 540px);
  min-height: 0;
  margin: 0;
  overflow: hidden;
  background: var(--panel-strong);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-strong);
}

.factory-proof-photo::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 4px;
  background: linear-gradient(90deg, var(--machine-blue), var(--safety));
}

.factory-proof-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center bottom;
}

.factory-proof-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.factory-proof-card {
  min-height: 166px;
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 3px solid var(--machine-blue);
  box-shadow: var(--shadow);
}

.factory-proof-card strong {
  display: block;
  margin-bottom: 8px;
  color: var(--machine-blue);
  font-size: 28px;
  line-height: 1;
}

.factory-proof-card h3 {
  margin: 0 0 8px;
  color: var(--graphite);
  font-size: 18px;
}

.factory-proof-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.check-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 28px;
}

.check-list li::before {
  content: "";
  position: absolute;
  top: 7px;
  left: 0;
  width: 10px;
  height: 10px;
  background: var(--machine-blue);
  border: 2px solid rgba(181, 138, 58, 0.42);
}

.simple-grid {
  display: grid;
  gap: 18px;
}

.simple-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.simple-grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.simple-grid article {
  position: relative;
  min-height: 150px;
  padding: 22px;
  overflow: hidden;
  border-top: 3px solid var(--machine-blue);
}

.simple-grid article::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 74px;
  height: 2px;
  background: var(--safety);
  border: 0;
  border-radius: 0;
}

.simple-grid span {
  color: var(--safety);
  font-size: 13px;
  font-weight: 900;
}

.simple-grid h3 {
  margin: 8px 0 10px;
  color: var(--graphite);
  font-size: 18px;
}

.simple-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.news-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.news-list a {
  position: relative;
  padding: 16px 18px 16px 24px;
  color: var(--graphite);
  font-weight: 800;
  background: var(--white);
  border-left: 4px solid var(--machine-blue);
  box-shadow: 0 8px 22px rgba(13, 22, 33, 0.06);
}

.news-list a::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 10px;
  width: 4px;
  height: 4px;
  background: var(--safety);
  transform: translateY(-50%);
}

.selection-guide-section,
.seo-keyword-section {
  background:
    linear-gradient(90deg, rgba(0, 91, 150, 0.06), rgba(220, 122, 26, 0.05)),
    #ffffff;
}

.selection-guide-grid,
.seo-keyword-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.selection-guide-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.selection-guide-grid article,
.seo-keyword-grid article {
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 3px solid var(--machine-blue);
  box-shadow: var(--shadow);
}

.selection-guide-grid h3,
.seo-keyword-grid h3 {
  margin: 0 0 10px;
  color: var(--graphite);
  font-size: 18px;
}

.selection-guide-grid p,
.seo-keyword-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.seo-chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.seo-chip-grid span {
  padding: 8px 11px;
  color: var(--steel);
  font-size: 13px;
  font-weight: 800;
  background: #eef4f8;
  border: 1px solid var(--line);
  border-left: 3px solid var(--machine-blue);
}

.seo-note {
  max-width: 820px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.contact-section {
  padding: 58px 0 26px;
  color: var(--white);
  background: linear-gradient(135deg, #0b1420, #172434 58%, #1e2c3a);
  border-top: 3px solid rgba(181, 138, 58, 0.9);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 440px;
  gap: 44px;
  align-items: start;
}

.contact-grid h2 {
  color: var(--white);
}

.contact-grid p {
  color: rgba(255, 255, 255, 0.76);
}

.contact-lines {
  display: grid;
  gap: 10px;
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.92);
  font-weight: 800;
}

.contact-lines span,
.contact-lines a {
  padding-left: 14px;
  border-left: 2px solid rgba(181, 138, 58, 0.72);
}

.quote-form {
  display: grid;
  gap: 12px;
  padding: 22px;
  border-top: 3px solid var(--machine-blue);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.16);
}

.quote-form input,
.quote-form select,
.quote-form textarea {
  width: 100%;
  min-height: 46px;
  padding: 12px 13px;
  color: var(--ink);
  font: inherit;
  border: 1px solid var(--line);
  border-radius: 2px;
  outline: none;
}

.quote-form textarea {
  resize: vertical;
}

.quote-form input:focus,
.quote-form select:focus,
.quote-form textarea:focus {
  border-color: var(--machine-blue);
  box-shadow: 0 0 0 3px rgba(20, 93, 160, 0.12);
}

.product-page {
  background: #fbfcfe;
}

.product-detail-hero {
  padding: 46px 0 58px;
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(11, 20, 32, 0.96), rgba(23, 36, 52, 0.94)),
    linear-gradient(90deg, var(--machine-blue), var(--safety));
  border-bottom: 4px solid var(--safety);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  font-weight: 700;
}

.breadcrumb a:hover {
  color: var(--hazard);
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 42px;
  align-items: center;
}

.product-detail-copy h1 {
  max-width: 760px;
  margin: 0 0 16px;
  font-size: clamp(34px, 4vw, 56px);
  line-height: 1.08;
  letter-spacing: 0;
}

.product-detail-copy p {
  max-width: 720px;
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 18px;
}

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.detail-ghost {
  color: var(--white);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.36);
}

.detail-ghost:hover {
  border-color: var(--hazard);
}

.product-detail-image {
  aspect-ratio: 4 / 3;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background: #e8eef4;
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 28px 58px rgba(0, 0, 0, 0.24);
}

.product-detail-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  transform: scale(1.06);
  transform-origin: center center;
}

.detail-two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.detail-panel {
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 3px solid var(--machine-blue);
  box-shadow: var(--shadow);
}

.compact-head {
  margin-bottom: 18px;
}

.compact-head h2 {
  margin-bottom: 0;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.spec-table th,
.spec-table td {
  padding: 12px 10px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.spec-table th {
  width: 38%;
  color: var(--graphite);
  background: #f6f8fb;
}

.detail-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.detail-list li {
  position: relative;
  padding-left: 22px;
  color: var(--steel);
}

.detail-list li::before {
  content: "";
  position: absolute;
  top: 0.65em;
  left: 0;
  width: 8px;
  height: 8px;
  background: var(--machine-blue);
  border: 2px solid rgba(220, 122, 26, 0.35);
}

.factory-proof-mini p {
  margin-top: 0;
  color: var(--muted);
}

.product-contact-grid h2 {
  color: var(--graphite);
}

.product-contact-grid p {
  color: var(--muted);
}

.product-contact-grid .contact-lines {
  color: var(--ink);
}

.dark-lines span,
.dark-lines a {
  color: var(--ink);
  border-left-color: rgba(0, 91, 150, 0.45);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.related-card {
  display: grid;
  gap: 10px;
  padding: 14px;
  overflow: hidden;
  color: var(--graphite);
  font-weight: 900;
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 3px solid var(--machine-blue);
  box-shadow: var(--shadow);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.related-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-strong);
}

.related-card img {
  display: block;
  width: 100%;
  height: 150px;
  object-fit: cover;
  object-position: center center;
  background: #e8eef4;
}

.site-footer {
  padding: 18px 0;
  color: rgba(255, 255, 255, 0.8);
  background: #080d13;
  font-size: 13px;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.footer-logo-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 68px;
  min-width: 68px;
  padding: 4px 6px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 2px;
}

.footer-logo-box img {
  display: block;
  width: 100%;
  height: auto;
}

.whatsapp-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 54px;
  padding: 8px 18px 8px 10px;
  color: #ffffff;
  font-weight: 900;
  background: #25d366;
  border-radius: 999px;
  box-shadow: 0 16px 36px rgba(13, 22, 33, 0.22);
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}

.whatsapp-float:hover {
  color: #ffffff;
  background: #1ebe5d;
  box-shadow: 0 20px 44px rgba(13, 22, 33, 0.28);
  transform: translateY(-2px);
}

.whatsapp-float-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  color: #25d366;
  background: #ffffff;
  border-radius: 50%;
}

.whatsapp-float-icon svg {
  width: 25px;
  height: 25px;
  fill: currentColor;
}

.whatsapp-float-text {
  line-height: 1;
}

@media (max-width: 1060px) {
  .nav-row {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  .main-nav {
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 12px 18px;
  }

  .nav-quote {
    display: none;
  }

  .machinery-grid,
  .simple-grid.four,
  .related-grid,
  .factory-proof-grid,
  .selection-guide-grid,
  .seo-keyword-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product-menu {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product-menu a:nth-child(even) {
    border-right: 1px solid var(--line);
  }

  .product-menu a:nth-child(odd) {
    border-right: 0;
  }
}

@media (max-width: 820px) {
  .topbar-inner,
  .footer-row {
    align-items: flex-start;
    flex-direction: column;
    padding: 10px 0;
  }

  .topbar-links {
    justify-content: flex-start;
  }

  .hero,
  .hero-content {
    min-height: 500px;
  }

  .hero-shade {
    background: linear-gradient(90deg, rgba(17, 24, 32, 0.92), rgba(20, 93, 160, 0.7));
  }

  .factory-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .factory-strip span:nth-child(2) {
    border-right: 0;
  }

  .section {
    padding: 42px 0;
  }

  .machinery-layout,
  .about-row,
  .contact-grid,
  .factory-proof-layout,
  .product-detail-grid,
  .detail-two-col {
    grid-template-columns: 1fr;
  }

  .product-menu {
    box-shadow: none;
  }

  .simple-grid.three,
  .news-list,
  .selection-guide-grid,
  .seo-keyword-grid {
    grid-template-columns: 1fr;
  }

  .factory-proof-photo {
    height: 360px;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(100% - 24px, 1180px);
  }

  .brand-logo {
    width: 76px;
  }

  .brand-copy b {
    font-size: 18px;
  }

  .brand-copy small {
    font-size: 11px;
  }

  .main-nav {
    font-size: 13px;
  }

  .hero-content {
    padding: 24px 0;
  }

  .hero h1 {
    font-size: 36px;
  }

  .hero-product-line,
  .hero-lede {
    font-size: 16px;
  }

  .factory-strip span {
    font-size: 11px;
  }

  .machinery-grid,
  .simple-grid.four,
  .factory-proof-grid,
  .related-grid,
  .selection-guide-grid,
  .seo-keyword-grid {
    grid-template-columns: 1fr;
  }

  .product-menu {
    grid-template-columns: 1fr;
  }

  .product-menu a {
    border-right: 0;
  }

  .machine-card {
    min-height: 0;
  }

  .factory-proof-photo {
    height: 260px;
  }

  .whatsapp-float {
    right: 14px;
    bottom: 14px;
    min-height: 50px;
    padding-right: 14px;
  }

  .whatsapp-float-icon {
    width: 34px;
    height: 34px;
  }
}