:root {
  --blue-950: #102647;
  --blue-900: #183a6e;
  --blue-800: #2658a2;
  --blue-700: #2f6dc2;
  --blue-200: #d9e5f5;
  --gray-50: #f8f9fb;
  --gray-100: #f1f4f8;
  --gray-200: #e2e8f0;
  --gray-300: #d2dae6;
  --gray-500: #6d7c92;
  --gray-700: #30445f;
  --dark: #181a1f;
  --red: #f05c64;
  --shadow: 0 28px 48px rgba(18, 50, 94, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  color: var(--blue-950);
  background: #fff;
}

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

a {
  color: inherit;
}

.container {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(26, 50, 87, 0.88);
  backdrop-filter: blur(16px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 86px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0;
  text-decoration: none;
}

.brand-copy {
  display: flex;
  flex-direction: column;
}

.brand-cn {
  color: rgba(255, 255, 255, 0.64);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.brand-en {
  color: #fff;
  font-family: "Rajdhani", sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.main-nav a {
  padding: 10px 12px;
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.84);
  text-decoration: none;
  transition: background-color 180ms ease, transform 180ms ease, color 180ms ease;
}

.main-nav a:hover,
.main-nav a.is-active {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  transform: translateY(-1px);
}

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 16%, rgba(255, 255, 255, 0.16), transparent 18%),
    radial-gradient(circle at 72% 34%, rgba(141, 183, 243, 0.28), transparent 24%),
    linear-gradient(135deg, #5f7699 0%, #95a8c5 48%, #f6f8fb 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(140deg, rgba(255, 255, 255, 0.12), transparent 34%),
    linear-gradient(320deg, rgba(255, 255, 255, 0.38), transparent 35%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 16px;
  align-items: center;
  min-height: 760px;
  padding: 48px 0 44px;
}

.hero-copy {
  position: relative;
  z-index: 1;
  padding: 50px 0 30px;
}

.eyebrow,
.section-tag {
  margin: 0 0 16px;
  color: #e8eff8;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  max-width: 7.6ch;
  color: #fff;
  font-family: "Rajdhani", sans-serif;
  font-size: clamp(2.9rem, 5.2vw, 4.9rem);
  line-height: 0.92;
  letter-spacing: 0.01em;
}

.hero h1 span {
  display: block;
}

.hero-stat {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 18px;
  color: #fff;
}

.hero-stat strong {
  font-family: "Rajdhani", sans-serif;
  font-size: clamp(3rem, 4vw, 4.4rem);
  line-height: 1;
}

.hero-stat span {
  max-width: 180px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.92rem;
  line-height: 1.5;
}

.hero-tagline {
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 1.02rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.hero-intro {
  max-width: 520px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 1rem;
  line-height: 1.82;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 220ms ease, box-shadow 220ms ease, background-color 220ms ease;
}

.button:hover {
  transform: translateY(-3px);
}

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, #2f6dc2, #183a6e);
  box-shadow: 0 12px 28px rgba(24, 58, 110, 0.3);
}

.button-ghost {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.08);
}

.button-inline {
  margin-top: 24px;
  color: #fff;
  background: linear-gradient(135deg, #2f6dc2, #183a6e);
  box-shadow: 0 10px 24px rgba(24, 58, 110, 0.18);
}

.button-round {
  width: 48px;
  min-width: 48px;
  padding: 0;
  color: #fff;
  background: linear-gradient(135deg, #2f6dc2, #183a6e);
}

.hero-visual {
  position: relative;
  z-index: 1;
  min-height: 540px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-rings {
  position: absolute;
  inset: 9% 4% 10% 12%;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow:
    0 0 0 52px rgba(255, 255, 255, 0.045),
    0 0 0 108px rgba(255, 255, 255, 0.02);
}

.hero-image {
  position: relative;
  z-index: 1;
  width: min(100%, 760px);
  object-fit: contain;
  mix-blend-mode: screen;
  filter:
    drop-shadow(0 26px 46px rgba(34, 57, 95, 0.12))
    saturate(1.04);
  transition: transform 260ms ease;
}

.hero-visual:hover .hero-image {
  transform: translateY(-8px);
}

.product-focus,
.about,
.global {
  padding: 96px 0;
}

.product-grid,
.about-grid {
  display: grid;
  gap: 28px;
}

.product-grid {
  grid-template-columns: 0.82fr 1.18fr;
  align-items: center;
}

.product-copy h2,
.section-title h2,
.about-copy h2 {
  margin: 0;
  color: var(--blue-950);
  font-family: "Rajdhani", sans-serif;
  font-size: clamp(2rem, 3vw, 3.1rem);
  line-height: 1.02;
}

.product-copy h3 {
  margin: 18px 0 14px;
  color: var(--blue-950);
  font-size: 1.65rem;
}

.product-copy p,
.section-title p,
.about-copy p,
.stream-item p,
.site-footer p {
  color: var(--gray-500);
  line-height: 1.85;
}

.section-tag {
  color: var(--blue-800);
}

.icon-row {
  display: flex;
  gap: 10px;
  margin-top: 24px;
}

.mini-icon {
  display: inline-flex;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--blue-800);
  border: 1px solid var(--gray-300);
  background: #fff;
  font-family: "Rajdhani", sans-serif;
  font-weight: 700;
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.mini-icon:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.product-spotlight {
  position: relative;
  min-height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.spotlight-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px dashed rgba(47, 109, 194, 0.18);
}

.spotlight-ring-one {
  width: 420px;
  height: 420px;
}

.spotlight-ring-two {
  width: 540px;
  height: 540px;
}

.spotlight-core {
  position: relative;
  width: min(540px, 100%);
  aspect-ratio: 1;
  padding: 26px;
  border-radius: 42px;
  background:
    radial-gradient(circle at center, #ddebff 0 40%, #eef5ff 40.5% 100%);
  box-shadow: inset 0 0 0 1px rgba(47, 109, 194, 0.08);
  overflow: hidden;
}

.spotlight-core img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  border-radius: 28px;
  filter: drop-shadow(0 18px 30px rgba(34, 57, 95, 0.14));
  transition: transform 240ms ease;
}

.spotlight-core:hover img {
  transform: scale(1.03);
}

.industries {
  padding: 90px 0;
}

.section-title {
  margin-bottom: 34px;
}

.section-title-center {
  text-align: center;
}

.section-title-center p {
  max-width: 700px;
  margin: 16px auto 0;
}

.industry-columns {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  min-height: 470px;
  overflow: hidden;
}

.industry-column {
  position: relative;
  min-height: 470px;
  overflow: hidden;
}

.industry-column::before {
  content: "";
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 300ms ease;
}

.industry-column:hover::before {
  transform: scale(1.04);
}

.industry-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(14, 34, 58, 0.12), rgba(14, 34, 58, 0.82));
}

.industry-content {
  position: absolute;
  inset: auto 26px 26px 26px;
  z-index: 1;
  color: #fff;
}

.industry-content h3 {
  margin: 0 0 10px;
  font-family: "Rajdhani", sans-serif;
  font-size: 1.7rem;
}

.industry-content p {
  margin: 0;
  color: rgba(255, 255, 255, 0.84);
  line-height: 1.8;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 260ms ease, opacity 220ms ease, margin-top 220ms ease;
}

.industry-column:hover .industry-content p {
  max-height: 160px;
  opacity: 1;
  margin-top: 10px;
}

.industry-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 260ms ease, opacity 220ms ease, margin-top 220ms ease;
}

.industry-column:hover .industry-meta {
  max-height: 100px;
  opacity: 1;
  margin-top: 12px;
}

.industry-meta span {
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.82rem;
}

.industry-energy::before {
  background-image:
    linear-gradient(180deg, rgba(41, 88, 165, 0.16), rgba(17, 39, 69, 0.28)),
    url("./assets/workshop-floor.png");
}

.industry-water::before {
  background-image:
    linear-gradient(180deg, rgba(35, 85, 150, 0.12), rgba(17, 39, 69, 0.34)),
    url("./assets/factory-building.png");
}

.industry-process::before {
  background-image:
    linear-gradient(180deg, rgba(110, 63, 10, 0.08), rgba(83, 47, 6, 0.56)),
    url("./assets/news-component.png");
}

.industry-special::before {
  background-image:
    linear-gradient(180deg, rgba(68, 82, 110, 0.08), rgba(24, 31, 44, 0.42)),
    url("./assets/hero-components.png");
}

.about {
  background: var(--gray-50);
}

.about-grid {
  grid-template-columns: 0.92fr 1.08fr;
  align-items: stretch;
}

.about-copy {
  padding: 18px 0 8px;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}

.stat-box {
  padding: 20px 16px;
  background: #fff;
  border: 1px solid var(--gray-200);
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.stat-box:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.stat-box strong {
  display: block;
  color: var(--blue-800);
  font-family: "Rajdhani", sans-serif;
  font-size: 2rem;
}

.stat-box span {
  display: block;
  margin-top: 6px;
  color: var(--gray-500);
  font-size: 0.92rem;
  line-height: 1.7;
}

.about-visual {
  position: relative;
  overflow: hidden;
  min-height: 600px;
}

.about-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 300ms ease;
}

.about-visual:hover img {
  transform: scale(1.03);
}

.about-badge {
  position: absolute;
  top: 28px;
  right: 28px;
  max-width: 240px;
  padding: 18px 20px;
  color: #fff;
  background: linear-gradient(180deg, rgba(24, 58, 110, 0.8), rgba(24, 58, 110, 0.48));
  backdrop-filter: blur(10px);
}

.about-badge span {
  display: block;
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.about-badge strong {
  font-size: 1rem;
  line-height: 1.5;
}

.map-panel {
  padding-top: 20px;
}

.map-image {
  width: 100%;
  aspect-ratio: 2.2 / 1;
  object-fit: cover;
  transition: transform 240ms ease, box-shadow 240ms ease;
}

.map-image:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.stream-item h3,
.footer-banner-copy h2 {
  margin: 0;
  font-family: "Rajdhani", sans-serif;
}

.footer-banner {
  position: relative;
  min-height: 420px;
}

.footer-banner img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  filter: brightness(0.56);
}

.footer-banner-copy {
  position: absolute;
  inset: auto 0 48px;
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
  left: 0;
  right: 0;
  color: #fff;
}

.footer-banner-copy h2 {
  max-width: 620px;
  font-size: clamp(2.1rem, 3vw, 3.2rem);
}

.footer-banner-copy .section-tag {
  color: rgba(255, 255, 255, 0.72);
}

.site-footer {
  background: #232323;
  color: rgba(255, 255, 255, 0.72);
}

.footer-grid {
  display: grid;
  grid-template-columns: auto;
  gap: 28px;
  padding: 48px 0 38px;
  justify-content: end;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(5, auto);
  gap: 16px 24px;
  align-content: start;
}

.footer-links a {
  text-decoration: none;
  transition: color 180ms ease;
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 72px;
  font-size: 0.92rem;
}

.footer-brand-name {
  color: #fff;
  font-family: "Rajdhani", sans-serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

@media (max-width: 1100px) {
  .hero-grid,
  .product-grid,
  .about-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 760px) {
  .container {
    width: min(100%, calc(100% - 24px));
  }

  .header-inner {
    min-height: 76px;
    padding: 12px 0;
    flex-direction: column;
    align-items: flex-start;
  }

  .main-nav {
    width: 100%;
  }

  .hero-grid {
    min-height: auto;
    padding: 22px 0 28px;
  }

  .hero h1 {
    max-width: none;
    font-size: clamp(2.4rem, 12vw, 4rem);
  }

  .hero-rings {
    inset: 10% 8%;
    box-shadow:
      0 0 0 28px rgba(255, 255, 255, 0.06),
      0 0 0 56px rgba(255, 255, 255, 0.03);
  }

  .hero-visual {
    min-height: 340px;
  }

  .spotlight-ring-one {
    width: 260px;
    height: 260px;
  }

  .spotlight-ring-two {
    width: 320px;
    height: 320px;
  }

  .product-spotlight {
    min-height: 340px;
  }

  .industry-columns,
  .about-stats,
  .footer-links,
  .footer-bottom-inner {
    grid-template-columns: 1fr;
  }

  .map-image {
    aspect-ratio: 1.5 / 1;
  }

  .industry-column {
    min-height: 280px;
  }

  .news-header,
  .footer-bottom-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-banner,
  .footer-banner img {
    min-height: 320px;
    height: 320px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}