:root {
  color-scheme: light;
  --blue: #1677ff;
  --blue-dark: #0958d9;
  --navy: #0b1f33;
  --cyan: #36cfc9;
  --bg: #f5f8fc;
  --muted: #5c6b7a;
  --line: #dce6f1;
  --white: #fff;
  --shadow: 0 22px 60px rgba(16, 54, 93, .12);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--navy); background: var(--white); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
.shell { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; left: 16px; top: -60px; padding: 10px 14px; color: #fff; background: var(--navy); }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; z-index: 20; top: 0; border-bottom: 1px solid rgba(220,230,241,.85); background: rgba(255,255,255,.92); backdrop-filter: blur(16px); }
.is-embedded .site-header { visibility: hidden; pointer-events: none; }
.is-embedded .skip-link { display: none; }
.nav-wrap { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; }
.brand img { display: block; height: 44px; width: auto; }
nav { display: flex; align-items: center; gap: 30px; margin-left: auto; }
nav a { color: #40566d; font-size: 14px; font-weight: 600; }
nav a:hover { color: var(--blue); }
.nav-actions, .hero-actions { display: flex; gap: 12px; align-items: center; }
.button { min-height: 40px; padding: 0 18px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid transparent; border-radius: 5px; font-size: 14px; font-weight: 700; transition: .2s ease; }
.button:hover { transform: translateY(-1px); }
.button-primary { color: #fff; background: var(--blue); box-shadow: 0 8px 24px rgba(22,119,255,.22); }
.button-primary:hover { background: var(--blue-dark); }
.button-ghost { color: #29435c; border-color: var(--line); background: #fff; }
.button-secondary { color: var(--navy); border-color: #cbd8e6; background: rgba(255,255,255,.86); }
.button-large { min-height: 50px; padding: 0 24px; font-size: 15px; }
.hero { position: relative; overflow: hidden; background: linear-gradient(115deg, #fff 0%, #f8fbff 52%, #edf6ff 100%); }
.hero::after { content: ""; position: absolute; width: 580px; height: 580px; right: -240px; top: -260px; border-radius: 50%; background: radial-gradient(circle, rgba(54,207,201,.17), transparent 68%); }
.hero-grid { position: absolute; inset: 0; opacity: .35; background-image: linear-gradient(rgba(22,119,255,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(22,119,255,.07) 1px, transparent 1px); background-size: 42px 42px; mask-image: linear-gradient(to right, black, transparent 72%); }
.hero-layout { position: relative; z-index: 1; min-height: 650px; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 64px; padding-block: 88px; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; padding: 7px 12px; border: 1px solid #cfe1f8; color: #31587e; background: rgba(255,255,255,.75); font-size: 13px; font-weight: 650; }
.eyebrow i, .pulse { width: 8px; height: 8px; display: inline-block; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 4px rgba(54,207,201,.14); }
h1, h2, h3, p { margin-top: 0; }
h1 { margin: 24px 0 22px; font-size: clamp(45px, 5.6vw, 72px); line-height: 1.08; letter-spacing: -.052em; }
h1 span { color: var(--blue); }
.hero-copy > p { max-width: 620px; margin-bottom: 32px; color: var(--muted); font-size: 18px; line-height: 1.8; }
.trust-row { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 32px; color: #597087; font-size: 13px; }
.trust-row span::before { content: "✓"; margin-right: 7px; color: var(--blue); font-weight: 800; }
.console-card { position: relative; padding: 24px; border: 1px solid rgba(198,216,235,.9); border-radius: 10px; background: rgba(255,255,255,.94); box-shadow: var(--shadow); }
.console-card::before { content: ""; position: absolute; inset: 14px -14px -14px 14px; z-index: -1; border: 1px solid rgba(22,119,255,.13); border-radius: 10px; }
.console-head { display: flex; justify-content: space-between; align-items: center; padding-bottom: 18px; border-bottom: 1px solid #e7eef6; color: #36536e; font-size: 13px; font-weight: 700; }
.console-head div { display: flex; align-items: center; gap: 9px; }
.console-head > span { color: #8092a4; font-weight: 500; }
.metric-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; padding: 22px 0; }
.metric-row div { min-width: 0; padding: 14px; border: 1px solid #e5edf6; background: #f9fbfe; }
.metric-row small, .metric-row em { display: block; color: #8393a3; font-size: 11px; font-style: normal; }
.metric-row strong { display: block; margin: 9px 0 6px; font-size: 20px; }
.metric-row .positive { color: #168f71; }
.chart { height: 145px; display: flex; align-items: end; gap: 7px; padding: 20px 14px 0; border-left: 1px solid #e6edf5; border-bottom: 1px solid #e6edf5; background: repeating-linear-gradient(to bottom, transparent 0, transparent 35px, rgba(220,230,241,.48) 36px); }
.chart span { flex: 1; min-width: 5px; background: linear-gradient(to top, #1677ff, #69aaff); border-radius: 3px 3px 0 0; opacity: .88; }
.request-line { display: flex; justify-content: space-between; gap: 16px; margin-top: 18px; color: #587087; font-size: 12px; }
.request-line span { color: #168f71; font-weight: 750; }
.model-strip { padding: 80px 0 90px; background: var(--bg); border-block: 1px solid #e6edf5; }
.section-kicker { margin-bottom: 12px; color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.model-strip h2, .section-heading h2, .quickstart h2, .cta-panel h2 { margin-bottom: 0; font-size: clamp(30px, 3.3vw, 44px); letter-spacing: -.035em; }
.model-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 36px; }
.model-grid article { display: flex; align-items: center; gap: 14px; min-height: 94px; padding: 20px; border: 1px solid #dce6f1; background: #fff; }
.model-icon { width: 42px; height: 42px; flex: none; display: grid; place-items: center; border-radius: 8px; color: #fff; font-weight: 850; }
.model-icon.blue { background: #1677ff; }.model-icon.cyan { background: #13a8a8; }.model-icon.navy { background: #0b1f33; }.model-icon.violet { background: #7357d8; }
.model-grid strong, .model-grid small { display: block; }
.model-grid strong { margin-bottom: 5px; font-size: 15px; }.model-grid small { color: #75879a; font-size: 12px; }
.capabilities { padding: 110px 0; }
.section-heading { display: grid; grid-template-columns: 1.4fr .6fr; align-items: end; gap: 50px; }
.section-heading > p { margin: 0; color: var(--muted); line-height: 1.8; }
.feature-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-top: 48px; }
.feature-card { position: relative; min-height: 310px; padding: 34px; border: 1px solid var(--line); background: #fff; transition: .25s ease; }
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.feature-card.featured { color: #fff; border-color: var(--blue); background: var(--blue); box-shadow: 0 20px 45px rgba(22,119,255,.2); }
.feature-number { position: absolute; right: 26px; top: 24px; color: #a8b8c8; font-size: 13px; font-weight: 800; }
.featured .feature-number { color: rgba(255,255,255,.65); }
.feature-symbol { width: 54px; height: 54px; display: grid; place-items: center; margin-bottom: 46px; border: 1px solid #c9d9e9; color: var(--blue); font-family: ui-monospace, monospace; font-size: 21px; font-weight: 800; }
.featured .feature-symbol { border-color: rgba(255,255,255,.45); color: #fff; }
.feature-card h3 { margin-bottom: 15px; font-size: 22px; }.feature-card p { margin: 0; color: #66798c; line-height: 1.75; }.featured p { color: rgba(255,255,255,.78); }
.quickstart { padding: 105px 0; color: #fff; background: #071a2e; }
.quickstart-layout { display: grid; grid-template-columns: .82fr 1.18fr; align-items: center; gap: 72px; }
.section-kicker.light { color: #6fe2dc; }
.quickstart-copy > p:not(.section-kicker) { margin: 22px 0; color: #adc0d2; line-height: 1.8; }
.quickstart ul { margin: 26px 0 0; padding: 0; list-style: none; color: #d7e4ef; }
.quickstart li { margin: 13px 0; }.quickstart li::before { content: "✓"; margin-right: 10px; color: var(--cyan); font-weight: 800; }
.code-card { overflow: hidden; border: 1px solid #27415c; border-radius: 8px; background: #0d243b; box-shadow: 0 28px 70px rgba(0,0,0,.3); }
.code-tabs { min-height: 50px; display: flex; align-items: center; justify-content: space-between; padding: 0 20px; border-bottom: 1px solid #29435d; color: #c8d7e5; font-size: 13px; }
.code-tabs button { padding: 7px 11px; border: 1px solid #36516c; border-radius: 4px; color: #b8c9d9; background: transparent; cursor: pointer; }
pre { overflow-x: auto; margin: 0; padding: 28px; color: #d8e6f3; font: 13px/1.85 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.code-cmd { color: #6fe2dc; }.code-string { color: #85b9ff; }
.final-cta { padding: 90px 0; background: var(--bg); }
.cta-panel { display: flex; align-items: center; justify-content: space-between; gap: 44px; padding: 50px 56px; border: 1px solid #d8e5f3; background: #fff; box-shadow: 0 18px 50px rgba(20,66,111,.08); }
.cta-panel p:last-child { margin: 16px 0 0; color: var(--muted); }
footer { padding: 54px 0 28px; border-top: 1px solid var(--line); background: #fff; }
.footer-grid { display: flex; align-items: center; justify-content: space-between; gap: 34px; }
.footer-grid img { display: block; }.footer-grid p { margin: 10px 0 0; color: #74879a; font-size: 13px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 28px; color: #536b82; font-size: 13px; }
.footer-links a:hover { color: var(--blue); }
.copyright { margin-top: 38px; padding-top: 22px; border-top: 1px solid #edf1f6; color: #8999a9; font-size: 12px; }
.legal { min-height: 70vh; padding: 80px 0 110px; background: var(--bg); }
.legal article { max-width: 820px; padding: 50px; border: 1px solid var(--line); background: #fff; }
.legal h1 { font-size: 40px; }.legal h2 { margin-top: 36px; font-size: 21px; }.legal p, .legal li { color: #536b82; line-height: 1.85; }
@media (max-width: 900px) {
  nav { display: none; }
  .hero-layout, .quickstart-layout, .section-heading { grid-template-columns: 1fr; }
  .hero-layout { gap: 48px; padding-block: 68px; }
  .model-grid { grid-template-columns: repeat(2,1fr); }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 260px; }
  .quickstart-layout { gap: 42px; }
}
@media (max-width: 620px) {
  .shell { width: min(100% - 30px, 1180px); }
  .site-header .brand img { width: 145px; }
  .nav-actions .button-ghost { display: none; }
  .nav-actions .button-primary { min-height: 36px; padding-inline: 12px; font-size: 12px; }
  .hero-layout { min-height: auto; padding-block: 54px 64px; }
  h1 { font-size: 43px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .trust-row { gap: 11px 18px; }
  .console-card { padding: 18px; }
  .metric-row { grid-template-columns: 1fr; }
  .chart { height: 110px; }
  .model-strip, .capabilities, .quickstart { padding-block: 74px; }
  .model-grid { grid-template-columns: 1fr; }
  .section-heading { gap: 20px; }
  .feature-grid { margin-top: 32px; }
  .code-card { margin-inline: -4px; }
  pre { padding: 22px 18px; font-size: 11px; }
  .cta-panel { align-items: flex-start; flex-direction: column; padding: 34px 26px; }
  .footer-grid { align-items: flex-start; flex-direction: column; }
  .legal article { padding: 30px 22px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}
