:root {
  --bg: #110b1e;
  --bg-soft: #1a102b;
  --panel: rgba(255,255,255,.065);
  --panel-border: rgba(255,255,255,.11);
  --text: #f7f3ff;
  --muted: #c7bfd8;
  --purple: #a88bf4;
  --purple-strong: #8061e8;
  --cyan: #54e8ea;
  --pink: #f178ff;
  --shadow: 0 28px 90px rgba(0,0,0,.42);
  --shell: min(1160px, calc(100% - 40px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
.shell { width: var(--shell); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 99; padding: 10px 16px; background: #fff; color: #111; border-radius: 8px; }
.skip-link:focus { top: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(255,255,255,.08);
  background: rgba(17,11,30,.78);
  backdrop-filter: blur(18px);
}
.nav-wrap { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: -.02em; }
.brand img { border-radius: 12px; box-shadow: 0 0 28px rgba(241,120,255,.22); }
nav { display: flex; align-items: center; gap: 28px; color: var(--muted); font-size: 14px; }
nav a:hover, nav a:focus-visible { color: #fff; }

.hero { position: relative; overflow: hidden; min-height: 750px; padding: 92px 0 104px; background: radial-gradient(circle at 78% 45%, rgba(128,97,232,.19), transparent 35%), linear-gradient(180deg,#140d23 0%,#110b1e 100%); }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .16; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: 48px 48px; mask-image: linear-gradient(to bottom, #000, transparent 90%); }
.hero-glow { position: absolute; border-radius: 999px; filter: blur(80px); pointer-events: none; }
.hero-glow-one { width: 360px; height: 360px; right: 6%; top: 20%; background: rgba(168,139,244,.18); }
.hero-glow-two { width: 240px; height: 240px; left: -100px; bottom: -40px; background: rgba(84,232,234,.1); }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.03fr .97fr; align-items: center; gap: 68px; }
.eyebrow { margin: 0 0 18px; color: #d7ccf5; font-weight: 700; font-size: 13px; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow span { display: inline-block; width: 26px; height: 2px; margin-right: 10px; vertical-align: middle; background: linear-gradient(90deg,var(--pink),var(--cyan)); }
h1, h2, h3 { margin-top: 0; line-height: 1.2; }
.hero h1 { margin-bottom: 26px; font-size: clamp(44px, 6.2vw, 78px); letter-spacing: -.055em; }
.hero h1 em { font-style: normal; background: linear-gradient(100deg,#fff 10%,#c7afff 45%,#6deef0 95%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-lede { max-width: 620px; margin: 0; color: var(--muted); font-size: 18px; }
.hero-actions { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.button { display: inline-flex; min-height: 50px; padding: 0 24px; align-items: center; justify-content: center; border-radius: 14px; font-weight: 800; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #150c24; background: linear-gradient(135deg,#c7b2ff,#66ecec); box-shadow: 0 12px 38px rgba(125,101,230,.25); }
.button-secondary { border: 1px solid var(--panel-border); background: var(--panel); }
.trust-list { display: flex; gap: 26px; padding: 0; margin: 30px 0 0; list-style: none; color: #ded7eb; font-size: 14px; }
.trust-list span { color: var(--cyan); }

.hero-visual { position: relative; width: min(100%, 480px); height: 570px; margin-left: auto; display: grid; place-items: center; }
.phone { position: relative; z-index: 3; width: 272px; aspect-ratio: 9/16; padding: 8px; border: 1px solid rgba(255,255,255,.34); border-radius: 42px; background: linear-gradient(145deg,#56477a,#1c142d 45%,#090611); box-shadow: var(--shadow), 0 0 80px rgba(125,94,229,.25); transform: rotate(3deg); }
.phone::after { content: ""; position: absolute; inset: 6px; pointer-events: none; border: 1px solid rgba(255,255,255,.14); border-radius: 35px; }
.phone video { width: 100%; height: 100%; object-fit: cover; border-radius: 34px; background: #a795e6; }
.phone-top { position: absolute; z-index: 2; width: 86px; height: 23px; left: 50%; top: 12px; transform: translateX(-50%); border-radius: 20px; background: #0c0813; }
.orbit { position: absolute; border: 1px solid rgba(178,153,241,.25); border-radius: 50%; }
.orbit-one { width: 430px; height: 430px; transform: rotate(-15deg); }
.orbit-two { width: 350px; height: 520px; transform: rotate(36deg); }
.status-card { position: absolute; z-index: 5; display: flex; align-items: center; gap: 12px; padding: 13px 16px; border: 1px solid rgba(255,255,255,.15); border-radius: 16px; background: rgba(28,18,46,.88); backdrop-filter: blur(16px); box-shadow: 0 18px 45px rgba(0,0,0,.35); }
.status-card small, .status-card strong { display: block; line-height: 1.35; }
.status-card small { color: var(--muted); font-size: 11px; }
.status-card strong { font-size: 14px; }
.status-card-top { top: 92px; left: -20px; }
.status-card-bottom { right: -5px; bottom: 100px; }
.status-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 18px var(--cyan); }
.spark { color: var(--pink); font-size: 22px; }

.section { padding: 112px 0; }
.section-heading { max-width: 680px; margin-bottom: 48px; }
.section h2 { margin-bottom: 16px; font-size: clamp(34px,4.5vw,54px); letter-spacing: -.04em; }
.section-heading > p:last-child, .preview-copy > p { color: var(--muted); font-size: 17px; }
.feature-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.feature-card { position: relative; padding: 30px; overflow: hidden; min-height: 260px; border: 1px solid var(--panel-border); border-radius: 24px; background: linear-gradient(150deg,rgba(255,255,255,.07),rgba(255,255,255,.025)); }
.feature-card::after { content: ""; position: absolute; width: 120px; height: 120px; right: -50px; top: -50px; border-radius: 50%; background: rgba(168,139,244,.12); filter: blur(15px); }
.feature-card.featured { border-color: rgba(109,238,240,.28); background: linear-gradient(150deg,rgba(84,232,234,.1),rgba(128,97,232,.08)); }
.feature-icon { display: grid; place-items: center; width: 46px; height: 46px; margin-bottom: 44px; border-radius: 14px; color: #120b20; background: linear-gradient(135deg,#d5c6ff,#6cecee); font-size: 12px; font-weight: 900; }
.feature-card h3 { margin-bottom: 10px; font-size: 24px; }
.feature-card p { margin: 0; color: var(--muted); }

.preview-section { background: #171025; border-block: 1px solid rgba(255,255,255,.06); }
.preview-grid { display: grid; grid-template-columns: .92fr 1.08fr; align-items: center; gap: 82px; }
.mini-steps { display: grid; gap: 17px; margin-top: 38px; }
.mini-steps > div { display: flex; align-items: center; gap: 16px; }
.mini-steps b { display: grid; place-items: center; flex: 0 0 38px; height: 38px; border: 1px solid rgba(255,255,255,.12); border-radius: 12px; color: var(--cyan); background: rgba(255,255,255,.04); }
.mini-steps strong, .mini-steps small { display: block; }
.mini-steps small { color: var(--muted); }
.preview-cards { position: relative; height: 650px; }
.preview-card { position: absolute; margin: 0; width: 286px; overflow: hidden; border: 8px solid #2b203d; border-radius: 30px; background: #2b203d; box-shadow: var(--shadow); }
.preview-card img { width: 100%; height: auto; border-radius: 22px; }
.preview-card-one { left: 3%; top: 30px; transform: rotate(-7deg); }
.preview-card-two { right: 5%; bottom: 18px; transform: rotate(7deg); }

.info-panel { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; padding: 54px; border: 1px solid var(--panel-border); border-radius: 30px; background: linear-gradient(135deg,rgba(168,139,244,.1),rgba(84,232,234,.045)); }
.info-content { color: var(--muted); }
.info-links { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 28px; }
.info-links a { color: #fff; font-weight: 800; }
.info-links a:hover { color: var(--cyan); }

footer { border-top: 1px solid rgba(255,255,255,.08); padding: 30px 0; color: var(--muted); font-size: 14px; }
.footer-grid { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.footer-brand { color: #fff; }
.footer-links { display: flex; gap: 22px; }
.footer-links a:hover { color: #fff; }

.legal-page { background: linear-gradient(180deg,#171025,#100a1b); }
.legal-main { padding: 72px 0 100px; }
.legal-card { max-width: 850px; padding: 54px; border: 1px solid var(--panel-border); border-radius: 28px; background: rgba(255,255,255,.055); box-shadow: var(--shadow); }
.legal-card h1 { font-size: clamp(38px,6vw,58px); letter-spacing: -.045em; }
.legal-card h2 { margin: 38px 0 10px; font-size: 22px; }
.legal-card p { color: var(--muted); }
.legal-updated { padding-bottom: 25px; border-bottom: 1px solid rgba(255,255,255,.08); }
.legal-actions { margin-top: 44px; }

@media (max-width: 900px) {
  .nav-wrap nav { display: none; }
  .hero { padding-top: 72px; }
  .hero-grid, .preview-grid, .info-panel { grid-template-columns: 1fr; }
  .hero-copy { text-align: center; }
  .hero-lede { margin-inline: auto; }
  .hero-actions, .trust-list { justify-content: center; }
  .hero-visual { margin: 28px auto 0; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: auto; }
  .feature-icon { margin-bottom: 26px; }
  .preview-grid { gap: 42px; }
  .preview-cards { max-width: 620px; width: 100%; margin-inline: auto; }
  .info-panel { gap: 20px; padding: 36px; }
}

@media (max-width: 620px) {
  :root { --shell: min(100% - 28px, 1160px); }
  .site-header { position: relative; }
  .nav-wrap { min-height: 68px; }
  .hero { min-height: 0; padding: 62px 0 72px; }
  .hero h1 { font-size: 45px; }
  .hero-lede { font-size: 16px; }
  .hero-actions { display: grid; }
  .trust-list { flex-wrap: wrap; gap: 10px 20px; }
  .hero-visual { width: 100%; height: 520px; }
  .phone { width: 240px; }
  .status-card-top { left: 0; top: 78px; }
  .status-card-bottom { right: 0; bottom: 86px; }
  .section { padding: 76px 0; }
  .section h2 { font-size: 36px; }
  .preview-cards { height: 520px; }
  .preview-card { width: 220px; border-width: 6px; border-radius: 24px; }
  .preview-card-two { right: 12px; }
  .info-panel { padding: 28px 22px; border-radius: 22px; }
  .footer-grid { flex-direction: column; text-align: center; }
  .legal-main { padding: 34px 0 70px; }
  .legal-card { padding: 30px 22px; border-radius: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}
