:root {
  --ink: #101816;
  --muted: #5a6660;
  --paper: #f5f7f4;
  --panel: #ffffff;
  --line: #d8e0db;
  --accent: #0d7b69;
  --accent-2: #df5f35;
  --shadow: 0 18px 45px rgba(16, 24, 22, 0.08);
  font-family: Inter, "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(13, 123, 105, 0.08), transparent 34%),
    radial-gradient(circle at 90% 15%, rgba(223, 95, 53, 0.07), transparent 28%),
    linear-gradient(180deg, #fbfcfb 0%, #f3f6f3 100%);
  line-height: 1.6;
}

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

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

.site-header {
  align-items: center;
  backdrop-filter: blur(14px);
  background: rgba(251, 252, 251, 0.84);
  border-bottom: 1px solid rgba(216, 224, 219, 0.9);
  display: flex;
  justify-content: space-between;
  min-height: 76px;
  padding: 0 5vw;
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  align-items: center;
  display: inline-flex;
  gap: 12px;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.1;
  white-space: nowrap;
}

.brand small {
  color: var(--muted);
  display: block;
  font-size: 12px;
  font-weight: 600;
  margin-top: 2px;
}

.logo-mark {
  align-items: center;
  background: linear-gradient(135deg, var(--accent), #0ea386);
  border-radius: 12px;
  box-shadow: var(--shadow);
  color: #fff;
  display: inline-flex;
  height: 38px;
  justify-content: center;
  width: 38px;
}

.nav {
  display: flex;
  gap: 18px;
  overflow-x: auto;
  white-space: nowrap;
}

.nav a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.hero {
  align-items: center;
  display: grid;
  gap: 42px;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  padding: 88px 5vw 72px;
}

.hero-copy {
  max-width: 760px;
}

.kicker {
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  margin: 0 0 12px;
  text-transform: uppercase;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  font-size: clamp(44px, 6vw, 88px);
  line-height: 0.98;
  margin-bottom: 20px;
}

h2 {
  font-size: clamp(28px, 3.4vw, 50px);
  line-height: 1.08;
  margin-bottom: 12px;
}

h3 {
  font-size: 20px;
  line-height: 1.25;
}

.lead, .section-intro {
  color: var(--muted);
  font-size: clamp(17px, 1.6vw, 20px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button,
.text-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.button {
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  min-width: 118px;
  padding: 12px 18px;
}

.button.primary {
  background: var(--ink);
  color: #fff;
}

.button.secondary {
  background: transparent;
  border: 1px solid var(--line);
}

.section {
  padding: 72px 5vw;
}

.section-heading {
  margin-bottom: 26px;
  max-width: 880px;
}

.card-grid,
.news-list,
.service-process,
.application-cards {
  display: grid;
  gap: 18px;
}

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

.card,
.news-item,
.process-step,
.contact-card,
.mosaic-card,
.product-tile {
  background: rgba(255,255,255,0.9);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.card,
.news-item,
.process-step,
.contact-card,
.product-tile {
  padding: 24px;
}

.card.compact {
  min-height: 180px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.chips span {
  background: #eef4f1;
  border-radius: 999px;
  color: #245248;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 10px;
}

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

.mosaic-card {
  min-height: 210px;
  padding: 22px;
}

.mosaic-card span,
.news-item span,
.process-step span,
.application-cards span,
.card .eyebrow {
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.mosaic-1 {
  background: linear-gradient(160deg, rgba(13, 123, 105, 0.9), rgba(12, 53, 47, 0.92));
  color: #fff;
}

.mosaic-2 {
  background: linear-gradient(160deg, rgba(255,255,255,0.94), rgba(233,241,237,0.96));
}

.mosaic-3 {
  background: linear-gradient(160deg, rgba(223, 95, 53, 0.92), rgba(118, 50, 28, 0.94));
  color: #fff;
}

.application-section {
  background: #0f1614;
  color: #f4fbf8;
}

.site-industrial-centrifuge .hero {
  align-items: stretch;
  min-height: calc(100vh - 76px);
}

.site-industrial-centrifuge .hero-visual {
  align-self: center;
}

.site-industrial-centrifuge .visual-mosaic {
  grid-template-columns: 1.15fr 0.85fr;
}

.site-industrial-centrifuge .mosaic-img {
  border-radius: 22px;
  box-shadow: var(--shadow);
  height: 100%;
  object-fit: cover;
  width: 100%;
}

.site-industrial-centrifuge .mosaic-1 { grid-column: 1; grid-row: 1 / span 2; }
.site-industrial-centrifuge .mosaic-2 { grid-column: 2; grid-row: 1; }
.site-industrial-centrifuge .mosaic-3 { grid-column: 2; grid-row: 2; }
.site-industrial-centrifuge .mosaic-4 { grid-column: 1 / -1; }

.application-section .section-intro,
.application-section .lead,
.application-section p {
  color: rgba(244, 251, 248, 0.76);
}

.application-copy {
  max-width: 1160px;
  margin: 0 auto;
}

.application-cards {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 22px;
}

.application-cards article,
.service-process .process-step {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
}

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

.contact-band {
  background: linear-gradient(180deg, #fff, #f3f7f4);
}

.contact-panel {
  display: grid;
  gap: 16px;
}

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

.site-footer {
  border-top: 1px solid var(--line);
  padding: 24px 5vw 40px;
}

.product-page .model-table-wrap {
  overflow-x: auto;
}

.model-table {
  border-collapse: collapse;
  min-width: 920px;
  width: 100%;
}

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

.model-table thead th {
  background: #edf4f1;
}

.article-page .news-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.article-page .article-meta {
  color: var(--muted);
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

@media (max-width: 1100px) {
  .hero,
  .card-grid,
  .news-list,
  .application-cards,
  .contact-phone-grid,
  .contact-address-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 64px;
  }
}

@media (max-width: 720px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    padding-bottom: 16px;
    padding-top: 16px;
  }

  .nav {
    width: 100%;
  }

  .hero {
    padding-top: 44px;
  }

  .visual-mosaic {
    grid-template-columns: 1fr;
  }
}