:root {
  --ink: #f6f7ff;
  --muted: #a8aec7;
  --bg: #070816;
  --panel: rgba(20, 22, 48, .66);
  --line: rgba(255, 255, 255, .1);
  --violet: #8b7cff;
  --blue: #5bb9ff;
  --mint: #70f2c2;
  --coral: #ff8f7b;
  --display: "Arial Rounded MT Bold", "PingFang SC", "Microsoft YaHei", sans-serif;
  --body: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: var(--body);
  background:
    radial-gradient(circle at 74% 12%, rgba(109, 87, 255, .18), transparent 29rem),
    radial-gradient(circle at 8% 43%, rgba(48, 194, 255, .11), transparent 30rem),
    var(--bg);
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .19;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.26'/%3E%3C/svg%3E");
  z-index: 20;
  mix-blend-mode: soft-light;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { display: block; max-width: 100%; }

.shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.nav-wrap { position: fixed; inset: 18px 0 auto; z-index: 30; }
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 12px 11px 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(8, 9, 25, .7);
  box-shadow: 0 18px 60px rgba(0, 0, 0, .24);
  backdrop-filter: blur(20px);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: -.02em; }
.brand-mark {
  width: 34px; height: 34px; display: grid; place-items: center; border-radius: 11px;
  background: linear-gradient(135deg, var(--blue), var(--violet) 60%, #d070ff);
  box-shadow: 0 0 28px rgba(113, 102, 255, .4);
  font: 900 17px/1 var(--display);
}
.nav-links { display: flex; gap: 28px; color: #c4c8da; font-size: 14px; }
.nav-links a { transition: color .2s; }
.nav-links a:hover { color: white; }
.nav-actions { display: flex; align-items: center; gap: 9px; }
.menu-button { display: none; color: white; border: 0; background: transparent; font-size: 22px; cursor: pointer; }

.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  min-height: 48px; padding: 0 20px; border: 1px solid var(--line); border-radius: 14px;
  background: rgba(255, 255, 255, .06); color: white; font-weight: 750; cursor: pointer;
  transition: transform .25s, border-color .25s, background .25s, box-shadow .25s;
}
.button:hover { transform: translateY(-2px); border-color: rgba(255, 255, 255, .28); background: rgba(255, 255, 255, .1); }
.button.primary {
  color: #090a19; border-color: transparent; background: linear-gradient(120deg, #a6a0ff, #70d9ff 55%, #70f2c2);
  box-shadow: 0 15px 45px rgba(91, 185, 255, .18);
}
.button.primary:hover { box-shadow: 0 18px 55px rgba(91, 185, 255, .28); }
.button.small { min-height: 38px; padding: 0 15px; border-radius: 11px; font-size: 13px; }

.hero { position: relative; min-height: 780px; padding: 176px 0 100px; isolation: isolate; }
.hero-grid { display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 52px; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin-bottom: 21px; color: var(--mint); font-weight: 700; font-size: 13px; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 34px; height: 1px; background: currentColor; }
h1, h2, h3 { font-family: var(--display); margin: 0; }
h1 { max-width: 720px; font-size: clamp(50px, 6vw, 86px); line-height: .99; letter-spacing: -.065em; overflow-wrap: anywhere; }
.gradient-text { color: transparent; background: linear-gradient(100deg, #fff 5%, #b5acff 38%, #6ccfff 68%, #7af0c1); background-clip: text; -webkit-background-clip: text; }
.hero-copy > p { max-width: 590px; margin: 27px 0 0; color: var(--muted); font-size: 18px; line-height: 1.85; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 35px; }
.hero-note { display: flex; gap: 18px; margin-top: 22px; color: #828aa7; font-size: 12px; }
.hero-note span::before { content: "·"; margin-right: 7px; color: var(--mint); }

.stage { position: relative; height: 522px; perspective: 1200px; }
.glow { position: absolute; width: 420px; height: 420px; left: 50%; top: 50%; border-radius: 50%; filter: blur(80px); transform: translate(-50%, -50%); background: rgba(112, 86, 255, .24); }
.browser {
  position: absolute; width: min(650px, 54vw); left: -15px; top: 40px; overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .16); border-radius: 20px;
  background: #14162a; box-shadow: 0 38px 100px rgba(0, 0, 0, .55);
  transform: rotateY(-10deg) rotateX(4deg) rotateZ(1.5deg);
  animation: float 7s ease-in-out infinite;
}
.browser-bar { height: 38px; display: flex; align-items: center; gap: 6px; padding: 0 14px; border-bottom: 1px solid var(--line); background: #101222; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: #ff7c78; }
.dot:nth-child(2) { background: #ffc56b; }.dot:nth-child(3) { background: #68e1a9; }
.browser img { width: 100%; }
.floating-card {
  position: absolute; right: -5px; bottom: 18px; width: 220px; padding: 17px;
  border: 1px solid rgba(255, 255, 255, .15); border-radius: 18px;
  background: rgba(17, 19, 42, .88); box-shadow: 0 22px 60px rgba(0, 0, 0, .38); backdrop-filter: blur(15px);
  animation: float 5.5s ease-in-out -2s infinite;
}
.floating-card .mini-head { display: flex; align-items: center; justify-content: space-between; color: #959cb8; font-size: 11px; }
.live { display: flex; align-items: center; gap: 5px; color: var(--mint); }
.live i { width: 6px; height: 6px; border-radius: 50%; background: currentColor; box-shadow: 0 0 10px currentColor; }
.message { margin-top: 14px; padding: 13px; border-radius: 13px 13px 4px 13px; color: #d5d8e7; background: rgba(255, 255, 255, .065); font-size: 12px; line-height: 1.6; }
.message.translated { margin: 8px 0 0 20px; border-radius: 13px 13px 13px 4px; color: #09151a; background: linear-gradient(120deg, #80e6ff, #77f0c5); font-weight: 650; }
.orb { position: absolute; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; animation: drift 12s linear infinite; }
.orb.one { width: 72px; height: 72px; top: 12%; right: 8%; background: radial-gradient(circle at 30% 30%, #b8a4ff, #5844c7); }
.orb.two { width: 26px; height: 26px; bottom: 13%; left: 2%; background: var(--mint); animation-delay: -5s; }

.trust { padding: 4px 0 84px; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-block: 1px solid var(--line); }
.metric { padding: 30px 22px; border-right: 1px solid var(--line); }
.metric:last-child { border: 0; }
.metric strong { display: block; margin-bottom: 7px; font: 800 30px/1 var(--display); }
.metric span { color: #838aa4; font-size: 13px; }

.section { padding: 100px 0; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 46px; }
.section-head h2 { max-width: 700px; font-size: clamp(36px, 4vw, 58px); letter-spacing: -.05em; line-height: 1.08; }
.section-head p { max-width: 440px; margin: 0; color: var(--muted); line-height: 1.75; }
.kicker { display: block; margin-bottom: 13px; color: var(--violet); font-size: 12px; font-weight: 800; letter-spacing: .17em; text-transform: uppercase; }

.features { display: grid; grid-template-columns: repeat(12, 1fr); gap: 16px; }
.feature {
  position: relative; min-height: 260px; padding: 30px; overflow: hidden;
  border: 1px solid var(--line); border-radius: 23px; background: var(--panel);
  box-shadow: inset 0 1px rgba(255,255,255,.04); transition: transform .35s, border-color .35s;
}
.feature:hover { transform: translateY(-6px); border-color: rgba(139,124,255,.42); }
.feature:nth-child(1), .feature:nth-child(4) { grid-column: span 7; }
.feature:nth-child(2), .feature:nth-child(3) { grid-column: span 5; }
.feature-icon { width: 47px; height: 47px; display: grid; place-items: center; margin-bottom: 43px; border: 1px solid var(--line); border-radius: 14px; color: var(--mint); background: rgba(255,255,255,.06); font-size: 21px; }
.feature h3 { font-size: 21px; letter-spacing: -.02em; }
.feature p { max-width: 470px; margin: 12px 0 0; color: var(--muted); line-height: 1.7; font-size: 14px; }
.feature::after { content: ""; position: absolute; width: 180px; height: 180px; right: -70px; top: -70px; border-radius: 50%; filter: blur(5px); background: radial-gradient(circle, rgba(110, 101, 255, .18), transparent 68%); }

.showcase { display: grid; grid-template-columns: .72fr 1.28fr; gap: 70px; align-items: center; }
.showcase-copy h2 { font-size: clamp(38px, 4.5vw, 62px); letter-spacing: -.055em; line-height: 1.07; }
.showcase-copy p { color: var(--muted); line-height: 1.8; }
.checklist { display: grid; gap: 15px; margin-top: 30px; }
.check { display: flex; align-items: center; gap: 12px; color: #d9dbea; font-size: 14px; }
.check i { width: 22px; height: 22px; display: grid; place-items: center; border-radius: 50%; color: #0d171a; background: var(--mint); font-style: normal; font-size: 12px; font-weight: 900; }
.screen-frame { position: relative; padding: 14px; border: 1px solid var(--line); border-radius: 26px; background: rgba(255,255,255,.04); box-shadow: 0 35px 90px rgba(0,0,0,.4); transform: rotate(1deg); }
.screen-frame img { border-radius: 16px; }
.screen-badge { position: absolute; right: -25px; top: 28px; padding: 12px 15px; border-radius: 13px; color: #111428; background: white; box-shadow: 0 15px 40px rgba(0,0,0,.35); font-size: 12px; font-weight: 800; transform: rotate(3deg); }

.pricing-toggle { display: inline-flex; align-items: center; gap: 7px; padding: 6px; border: 1px solid var(--line); border-radius: 13px; background: rgba(255,255,255,.04); }
.pricing-toggle button { padding: 8px 13px; color: #9399b1; border: 0; border-radius: 9px; background: transparent; cursor: pointer; }
.pricing-toggle button.active { color: #101222; background: white; }
.pricing-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.price-card { position: relative; display: flex; flex-direction: column; min-height: 430px; padding: 25px; border: 1px solid var(--line); border-radius: 22px; background: rgba(17,19,42,.72); }
.price-card.featured { border-color: rgba(119,240,197,.55); background: linear-gradient(155deg, rgba(52,68,92,.86), rgba(21,24,51,.9)); box-shadow: 0 25px 80px rgba(90,207,187,.09); }
.popular { position: absolute; right: 17px; top: 17px; padding: 5px 9px; border-radius: 99px; color: #0c1717; background: var(--mint); font-size: 10px; font-weight: 900; }
.price-card h3 { font-size: 18px; }
.price-card .desc { min-height: 42px; margin: 9px 0 24px; color: #858ca7; font-size: 12px; line-height: 1.6; }
.price { font: 800 42px/1 var(--display); letter-spacing: -.05em; }
.price small { font: 500 13px var(--body); color: #8e94aa; letter-spacing: 0; }
.price-list { display: grid; gap: 12px; padding: 25px 0; margin: 0 0 auto; list-style: none; color: #c5c9d9; font-size: 13px; }
.price-list li::before { content: "✓"; margin-right: 8px; color: var(--mint); font-weight: 900; }
.price-card .button { width: 100%; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: steps; }
.step { counter-increment: steps; padding: 28px 0; border-top: 1px solid var(--line); }
.step::before { content: "0" counter(steps); display: block; margin-bottom: 48px; color: var(--violet); font: 800 14px var(--display); }
.step h3 { font-size: 22px; }
.step p { color: var(--muted); font-size: 14px; line-height: 1.75; }
.step code { display: block; margin-top: 18px; padding: 12px 14px; overflow: hidden; border: 1px solid var(--line); border-radius: 10px; color: #cdd0df; background: rgba(255,255,255,.04); font-size: 12px; text-overflow: ellipsis; }

.cta { padding: 75px 0 110px; }
.cta-card { position: relative; overflow: hidden; padding: 80px 30px; border: 1px solid rgba(255,255,255,.16); border-radius: 30px; text-align: center; background: linear-gradient(135deg, rgba(116,95,255,.32), rgba(21,25,57,.8) 45%, rgba(62,196,179,.2)); }
.cta-card::before { content: ""; position: absolute; width: 520px; height: 520px; left: 50%; top: 50%; border: 1px solid rgba(255,255,255,.1); border-radius: 50%; transform: translate(-50%,-50%); box-shadow: 0 0 0 70px rgba(255,255,255,.025), 0 0 0 140px rgba(255,255,255,.018); }
.cta-card > * { position: relative; }
.cta-card h2 { max-width: 760px; margin: auto; font-size: clamp(38px, 5vw, 67px); line-height: 1.05; letter-spacing: -.055em; }
.cta-card p { margin: 20px auto 30px; color: #c2c6da; }

footer { border-top: 1px solid var(--line); padding: 30px 0 45px; color: #7f869e; font-size: 12px; }
.footer-row { display: flex; justify-content: space-between; gap: 20px; }
.footer-links { display: flex; gap: 22px; }
.footer-links a:hover { color: white; }

.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.75,.25,1); }
.reveal.visible { opacity: 1; transform: none; }
@keyframes float { 0%, 100% { transform: rotateY(-10deg) rotateX(4deg) rotateZ(1.5deg) translateY(0); } 50% { transform: rotateY(-8deg) rotateX(3deg) rotateZ(.5deg) translateY(-14px); } }
@keyframes drift { 0% { transform: translate(0,0) rotate(0); } 50% { transform: translate(18px,-25px) rotate(180deg); } 100% { transform: translate(0,0) rotate(360deg); } }

@media (max-width: 980px) {
  .hero { min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; }
  .stage { height: 440px; margin-top: 10px; }
  .browser { width: min(720px, 88vw); left: 5%; }
  .floating-card { right: 4%; }
  .pricing-grid { grid-template-columns: 1fr 1fr; }
  .showcase { grid-template-columns: 1fr; }
  .showcase-copy { max-width: 720px; }
}
@media (max-width: 700px) {
  .shell { width: min(calc(100% - 28px), 1180px); }
  .nav-wrap { top: 10px; }
  .nav-links { position: absolute; top: 61px; left: 0; right: 0; display: none; flex-direction: column; gap: 4px; padding: 12px; border: 1px solid var(--line); border-radius: 16px; background: rgba(8,9,25,.96); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 11px; }
  .menu-button { display: block; }
  .nav-actions .button { display: none; }
  .hero { padding: 135px 0 70px; }
  h1 { font-size: clamp(43px, 14vw, 64px); }
  .hero-copy > p { font-size: 16px; }
  .hero-note { flex-direction: column; gap: 4px; }
  .stage { height: 330px; }
  .browser { top: 32px; left: 0; width: 95vw; transform: rotateY(-5deg) rotateZ(1deg); }
  .floating-card { width: 175px; right: -2%; bottom: 0; padding: 12px; }
  .message { padding: 9px; font-size: 10px; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .metric { border-bottom: 1px solid var(--line); }
  .metric:nth-child(2) { border-right: 0; }
  .metric strong { font-size: 24px; }
  .section { padding: 70px 0; }
  .section-head { align-items: start; flex-direction: column; }
  .feature { grid-column: 1 / -1 !important; min-height: 230px; }
  .feature-icon { margin-bottom: 35px; }
  .screen-badge { right: -4px; top: -24px; }
  .pricing-grid, .steps { grid-template-columns: 1fr; }
  .price-card { min-height: auto; }
  .pricing-toggle { width: 100%; }
  .pricing-toggle button { flex: 1; }
  .footer-row { flex-direction: column; }
  .footer-links { flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
}