:root {
  --bg0: #060816;
  --bg1: #0b1020;
  --card: rgba(255, 255, 255, 0.06);
  --card2: rgba(255, 255, 255, 0.08);
  --border: rgba(255, 255, 255, 0.12);
  --text: #eaf2ff;
  --muted: rgba(234, 242, 255, 0.72);
  --shadow: 0 14px 40px rgba(0, 0, 0, 0.35);
  --radius: 18px;
  --radius-sm: 14px;
  --primary: #7c3aed;
  --primary2: #06b6d4;
}

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

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family:
    system-ui,
    -apple-system,
    "Segoe UI",
    Roboto,
    "PingFang SC",
    "Microsoft YaHei",
    "Noto Sans SC",
    sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 700px at 20% -10%, rgba(124, 58, 237, 0.45), transparent 55%),
    radial-gradient(900px 600px at 95% 0%, rgba(6, 182, 212, 0.35), transparent 55%),
    radial-gradient(900px 700px at 30% 110%, rgba(34, 197, 94, 0.24), transparent 55%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  line-height: 1.6;
  color-scheme: dark;
}

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

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

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 16px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 8px;
  background: #ffffff;
  color: #111827;
  padding: 10px 12px;
  border-radius: 10px;
  z-index: 9999;
}

.skip-link:focus {
  left: 12px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 16, 32, 0.68);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner {
  display: flex;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  min-width: 180px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-weight: 800;
  letter-spacing: 0.5px;
  background:
    radial-gradient(24px 24px at 30% 20%, rgba(255, 255, 255, 0.24), transparent 60%),
    linear-gradient(135deg, rgba(124, 58, 237, 0.75), rgba(6, 182, 212, 0.62));
  box-shadow: 0 12px 28px rgba(124, 58, 237, 0.18);
}

.brand-name {
  font-weight: 760;
  letter-spacing: 0.2px;
}

.brand-sub {
  color: var(--muted);
  font-size: 12.5px;
  margin-top: 2px;
}

.nav {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav a {
  font-size: 14px;
  color: rgba(234, 242, 255, 0.86);
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid transparent;
}

.nav a:hover {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
}

.hero {
  padding: 56px 0 10px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 26px;
  align-items: center;
}

h1 {
  margin: 0 0 12px;
  font-size: 40px;
  line-height: 1.15;
  letter-spacing: 0.2px;
}

.lead {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 16.5px;
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 11px 14px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(234, 242, 255, 0.92);
  font-weight: 640;
  font-size: 14px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
}

.btn:hover {
  background: rgba(255, 255, 255, 0.08);
}

.btn.primary {
  border-color: rgba(124, 58, 237, 0.55);
  background:
    radial-gradient(28px 28px at 25% 10%, rgba(255, 255, 255, 0.18), transparent 60%),
    linear-gradient(135deg, rgba(124, 58, 237, 0.95), rgba(6, 182, 212, 0.72));
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 6px;
}

.pill {
  font-size: 12.5px;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(234, 242, 255, 0.82);
  background: rgba(255, 255, 255, 0.05);
}

.hero-art {
  display: grid;
  place-items: center;
}

.glass-card {
  width: 100%;
  max-width: 460px;
  border-radius: 22px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background:
    radial-gradient(420px 220px at 20% 0%, rgba(124, 58, 237, 0.25), transparent 55%),
    radial-gradient(420px 240px at 100% 10%, rgba(6, 182, 212, 0.18), transparent 55%),
    rgba(255, 255, 255, 0.05);
  box-shadow: var(--shadow);
}

.glass-title {
  font-weight: 760;
  letter-spacing: 0.2px;
  margin-bottom: 12px;
  color: rgba(234, 242, 255, 0.92);
}

.glass-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.glass-tile {
  border-radius: 16px;
  padding: 12px 12px 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.18);
}

.tile-k {
  font-size: 12px;
  color: rgba(234, 242, 255, 0.78);
  margin-bottom: 4px;
}

.tile-v {
  font-size: 13.5px;
  font-weight: 650;
  letter-spacing: 0.1px;
}

.glass-foot {
  margin-top: 12px;
  font-size: 12.5px;
  color: rgba(234, 242, 255, 0.72);
}

.section {
  padding: 52px 0;
}

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

h2 {
  margin: 0 0 6px;
  font-size: 24px;
  letter-spacing: 0.2px;
}

.section-head p {
  margin: 0;
  color: var(--muted);
}

.card {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow: 0 10px 34px rgba(0, 0, 0, 0.22);
}

.models-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.model-card {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 14px;
}

.model-icon {
  width: 54px;
  height: 54px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-weight: 860;
  letter-spacing: 0.4px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.22);
}

.model-meta {
  line-height: 1.2;
}

.model-name {
  font-weight: 760;
}

.model-sub {
  margin-top: 4px;
  color: rgba(234, 242, 255, 0.72);
  font-size: 13px;
}

.model-openai {
  background:
    radial-gradient(20px 20px at 35% 30%, rgba(255, 255, 255, 0.24), transparent 60%),
    linear-gradient(135deg, rgba(34, 197, 94, 0.35), rgba(6, 182, 212, 0.25));
}

.model-gemini {
  background:
    radial-gradient(22px 22px at 35% 30%, rgba(255, 255, 255, 0.22), transparent 60%),
    linear-gradient(135deg, rgba(99, 102, 241, 0.35), rgba(6, 182, 212, 0.22));
}

.model-claude {
  background:
    radial-gradient(22px 22px at 35% 30%, rgba(255, 255, 255, 0.2), transparent 60%),
    linear-gradient(135deg, rgba(245, 158, 11, 0.28), rgba(244, 63, 94, 0.18));
}

.model-deepseek {
  background:
    radial-gradient(22px 22px at 35% 30%, rgba(255, 255, 255, 0.22), transparent 60%),
    linear-gradient(135deg, rgba(124, 58, 237, 0.34), rgba(59, 130, 246, 0.22));
}

.note {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px dashed rgba(255, 255, 255, 0.16);
  color: rgba(234, 242, 255, 0.7);
  background: rgba(0, 0, 0, 0.16);
  font-size: 13px;
}

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

.service-card {
  padding: 18px 18px 16px;
}

h3 {
  margin: 0 0 10px;
  font-size: 16px;
}

.list {
  margin: 0;
  padding-left: 18px;
  color: rgba(234, 242, 255, 0.82);
}

.list li {
  margin: 6px 0;
}

.product-card {
  overflow: hidden;
}

.product-card img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.15);
}

.product-card figcaption {
  padding: 14px 16px 16px;
}

.product-title {
  font-weight: 760;
  letter-spacing: 0.1px;
}

.product-desc {
  margin-top: 6px;
  color: rgba(234, 242, 255, 0.72);
  font-size: 13.5px;
}

.contact-card {
  padding: 18px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 16px;
  align-items: start;
}

.muted {
  color: var(--muted);
}

.contact-grid {
  margin-top: 12px;
  display: grid;
  gap: 10px;
}

.contact-item {
  padding: 12px 12px 10px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.16);
}

.contact-k {
  font-size: 12px;
  color: rgba(234, 242, 255, 0.72);
  margin-bottom: 4px;
}

.contact-v {
  font-size: 13.5px;
  font-weight: 650;
}

.contact-actions {
  display: grid;
  gap: 10px;
  align-content: start;
}

.small {
  font-size: 12.5px;
}

.site-footer {
  padding: 24px 0 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.14);
}

.footer-inner {
  display: flex;
  gap: 14px;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.icp {
  color: rgba(234, 242, 255, 0.82);
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
}

.icp:hover {
  background: rgba(255, 255, 255, 0.06);
}

@media (max-width: 980px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .models-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  h1 {
    font-size: 32px;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .nav {
    display: none;
  }
}

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