:root {
  --bg: #050814;
  --bg-alt: #0b1020;
  --card-bg: #101626;
  --accent: #f5b546;
  --accent-soft: rgba(245, 181, 70, 0.1);
  --accent-strong: #f29b1d;
  --text-main: #f5f7ff;
  --text-muted: #a3abc4;
  --border-subtle: rgba(255, 255, 255, 0.06);
  --danger: #ff4b6a;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Microsoft YaHei", system-ui, -system-ui, sans-serif;
  background: radial-gradient(circle at top, #121735 0, #050814 45%, #020309 100%);
  color: var(--text-main);
}

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

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

.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 16px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(5, 8, 20, 0.95), rgba(5, 8, 20, 0.86), rgba(5, 8, 20, 0.5));
  border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: radial-gradient(circle at 20% 0, #fff 0, #ffe09f 20%, #f29b1d 55%, #f24822 100%);
  color: #050814;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: 0.04em;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.4),
    0 12px 40px rgba(0, 0, 0, 0.8);
}

.logo-text {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  gap: 20px;
  font-size: 14px;
}

.main-nav a {
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--text-muted);
  transition: color 0.2s ease, background-color 0.2s ease;
}

.main-nav a:hover {
  color: var(--text-main);
  background-color: rgba(255, 255, 255, 0.04);
}

.main-nav a.active {
  color: #050814;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 0 24px rgba(242, 155, 29, 0.5);
}

.hero {
  padding: 56px 0 40px;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
}

.hero-text h1 {
  font-size: 32px;
  margin: 0 0 16px;
}

.hero-text p {
  margin: 0 0 10px;
  color: var(--text-muted);
  line-height: 1.7;
  font-size: 14px;
}

.hero-text p:last-of-type {
  margin-bottom: 20px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 14px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, transform 0.08s ease-out;
}

.btn:active {
  transform: translateY(1px) scale(0.99);
}

.primary-btn {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #050814;
  box-shadow:
    0 0 30px rgba(242, 155, 29, 0.5),
    0 18px 40px rgba(0, 0, 0, 0.9);
}

.primary-btn:hover {
  box-shadow:
    0 0 40px rgba(242, 155, 29, 0.7),
    0 22px 52px rgba(0, 0, 0, 1);
}

.ghost-btn {
  border-color: rgba(255, 255, 255, 0.22);
  color: var(--text-main);
  background-color: rgba(5, 8, 20, 0.7);
}

.ghost-btn:hover {
  background-color: rgba(16, 22, 38, 0.9);
  border-color: rgba(255, 255, 255, 0.38);
}

.hero-visual {
  position: relative;
}

.hero-image {
  border-radius: 26px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 1),
    0 0 0 1px rgba(255, 255, 255, 0.08);
  object-fit: cover;
  width: 100%;
  min-height: 260px;
}

.hero-badges {
  position: absolute;
  inset: auto 16px -26px 16px;
  display: flex;
  gap: 10px;
  justify-content: space-between;
  flex-wrap: wrap;
}

.badge {
  flex: 1 1 100px;
  min-width: 0;
  padding: 10px 12px;
  border-radius: 14px;
  background: radial-gradient(circle at 0 0, rgba(245, 181, 70, 0.68), rgba(5, 8, 20, 0.98));
  color: #050814;
  box-shadow:
    0 14px 30px rgba(0, 0, 0, 0.95),
    0 0 0 1px rgba(0, 0, 0, 0.6);
}

.badge-title {
  font-weight: 700;
  font-size: 13px;
  display: block;
}

.badge-desc {
  font-size: 12px;
  opacity: 0.8;
}

.section {
  padding: 56px 0 40px;
}

.section-light {
  background: radial-gradient(circle at top, #101627 0, #050814 60%);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card {
  padding: 18px 18px 20px;
  border-radius: 20px;
  background: radial-gradient(circle at top left, rgba(245, 181, 70, 0.06), rgba(11, 16, 32, 0.96));
  border: 1px solid var(--border-subtle);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.9);
}

.feature-card h2 {
  font-size: 18px;
  margin: 0 0 10px;
}

.feature-card p {
  margin: 0;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

.highlight-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 28px;
  align-items: flex-start;
}

.highlight-text h2 {
  font-size: 22px;
  margin: 0 0 12px;
}

.highlight-text p {
  margin: 0 0 10px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
}

.highlight-text .btn {
  margin-top: 10px;
}

.highlight-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.mini-card {
  padding: 14px 14px 16px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(16, 22, 38, 0.9), rgba(5, 8, 20, 1));
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.mini-card h3 {
  margin: 0 0 6px;
  font-size: 15px;
}

.mini-card p {
  margin: 0;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

.site-footer {
  padding: 32px 0 10px;
  background: #050814;
  border-top: 1px solid var(--border-subtle);
  margin-top: 20px;
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.9fr) minmax(0, 1fr);
  gap: 18px;
  font-size: 13px;
}

.footer-brand p {
  margin: 8px 0 0;
  color: var(--text-muted);
  line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
  margin: 0 0 8px;
  font-size: 14px;
}

.footer-links a {
  display: block;
  margin-bottom: 4px;
  color: var(--text-muted);
  font-size: 13px;
}

.footer-links a:hover {
  color: var(--text-main);
}

.footer-contact p {
  margin: 0 0 4px;
  color: var(--text-muted);
}

.footer-bottom {
  margin-top: 16px;
  text-align: center;
  color: var(--text-muted);
  font-size: 12px;
}

main {
  min-height: calc(100vh - 220px);
}

.page-hero {
  padding: 56px 0 30px;
}

.page-hero-title {
  font-size: 26px;
  margin: 0 0 10px;
}

.page-hero-subtitle {
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
}

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 26px;
  align-items: flex-start;
}

.card {
  padding: 18px 18px 20px;
  border-radius: 20px;
  background: radial-gradient(circle at top left, rgba(245, 181, 70, 0.06), rgba(11, 16, 32, 0.96));
  border: 1px solid var(--border-subtle);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.9);
}

.card h2,
.card h3 {
  margin: 0 0 10px;
  font-size: 18px;
}

.card p,
.card li {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

.card ul {
  margin: 0;
  padding-left: 18px;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.tag {
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 999px;
  background-color: var(--accent-soft);
  color: #ffd589;
  border: 1px solid rgba(245, 181, 70, 0.5);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  border-radius: 20px;
  background: radial-gradient(circle at top, rgba(245, 181, 70, 0.08), rgba(11, 16, 32, 0.96));
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.product-media {
  position: relative;
  overflow: hidden;
}

.product-media img {
  height: 160px;
  width: 100%;
  object-fit: cover;
}

.product-meta {
  position: absolute;
  inset: auto 10px 10px 10px;
  display: flex;
  justify-content: space-between;
  gap: 6px;
  font-size: 11px;
}

.chip {
  padding: 4px 8px;
  border-radius: 999px;
  background-color: rgba(5, 8, 20, 0.75);
  color: var(--text-main);
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.product-body {
  padding: 14px 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.product-body h3 {
  margin: 0;
  font-size: 15px;
}

.product-body p {
  margin: 0;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}

.tech-stack {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.tech-item h3 {
  margin: 0 0 6px;
  font-size: 15px;
}

.tech-item p {
  margin: 0;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 24px;
}

.contact-item {
  margin-bottom: 8px;
}

.contact-item strong {
  display: inline-block;
  min-width: 80px;
}

.contact-note {
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-muted);
}

.map-placeholder {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}

.map-placeholder img {
  height: 220px;
  width: 100%;
  object-fit: cover;
}

.seo-block {
  margin-top: 18px;
  padding: 12px 14px;
  border-radius: 16px;
  background-color: rgba(5, 8, 20, 0.85);
  border: 1px dashed rgba(255, 255, 255, 0.18);
  font-size: 12px;
  color: var(--text-muted);
}

@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.1fr);
  }

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

  .highlight-grid,
  .two-col,
  .contact-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  .header-inner {
    flex-direction: column;
    justify-content: center;
    gap: 8px;
    height: auto;
    padding: 8px 0 10px;
  }

  .main-nav {
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero {
    padding-top: 40px;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-badges {
    position: static;
    margin-top: 10px;
  }

  .hero-image {
    min-height: 220px;
  }

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

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

  .tech-stack {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  main {
    min-height: auto;
  }
}