:root {
  --ink: #f6f4ff;
  --muted: #aaa7c4;
  --bg: #0e0c1b;
  --panel: #17142b;
  --panel-2: #201b3b;
  --line: rgba(255,255,255,.1);
  --violet: #7c5cff;
  --cyan: #19d3ff;
  --yellow: #ffcf5c;
  --max: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--bg); font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; line-height: 1.7; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(14,12,27,.9); backdrop-filter: blur(18px); border-bottom: 1px solid var(--line); }
.nav-wrap { max-width: var(--max); margin: auto; height: 76px; display: flex; align-items: center; justify-content: space-between; padding: 0 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 700; letter-spacing: .04em; }
.brand img { width: 50px; height: auto; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); color: var(--ink); border-radius: 10px; padding: 8px 10px; font-size: 1.1rem; }
.nav-links { display: flex; gap: 22px; align-items: center; font-size: .94rem; color: var(--muted); }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--ink); }
.nav-links .nav-cta { color: #0e0c1b; background: var(--yellow); padding: 9px 16px; border-radius: 9px; font-weight: 700; }
.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.hero { padding: 88px 0 72px; position: relative; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: -160px 20% auto -10%; height: 500px; background: radial-gradient(circle, rgba(124,92,255,.22), transparent 64%); pointer-events: none; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 64px; align-items: center; position: relative; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--cyan); font-size: .82rem; letter-spacing: .13em; text-transform: uppercase; font-weight: 700; }
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--cyan); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 18px; letter-spacing: -.02em; }
h1 { font-size: clamp(2.5rem, 6vw, 5rem); max-width: 720px; }
h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); }
h3 { font-size: 1.18rem; }
.lead { color: var(--muted); font-size: 1.08rem; max-width: 650px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid transparent; border-radius: 10px; padding: 12px 20px; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #0e0c1b; background: linear-gradient(135deg, var(--yellow), #ffea9b); box-shadow: 0 10px 30px rgba(255,207,92,.18); }
.button-ghost { border-color: var(--line); color: var(--ink); background: rgba(255,255,255,.03); }
.hero-art { position: relative; min-height: 390px; display: grid; place-items: center; }
.phone { width: min(280px, 72vw); aspect-ratio: 9/18; border: 10px solid #2b2450; border-radius: 34px; padding: 9px; background: #0a0912; box-shadow: 0 30px 90px rgba(0,0,0,.45), 0 0 0 1px rgba(25,211,255,.2); transform: rotate(5deg); }
.phone img { width: 100%; height: 100%; object-fit: cover; border-radius: 20px; }
.orbit { position: absolute; width: 360px; height: 360px; border: 1px dashed rgba(25,211,255,.28); border-radius: 50%; }
.orbit::after { content: ""; width: 12px; height: 12px; position: absolute; top: 10px; right: 46px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 20px var(--cyan); }
.section { padding: 84px 0; border-top: 1px solid var(--line); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 34px; }
.section-kicker { color: var(--muted); margin: 0; max-width: 560px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.feature-card, .stat, .quote, .guide-step, .faq-item { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; }
.feature-card { padding: 24px; min-height: 210px; position: relative; overflow: hidden; }
.feature-card::after { content: ""; width: 70px; height: 70px; position: absolute; right: -20px; bottom: -22px; background: var(--violet); opacity: .16; transform: rotate(26deg); }
.feature-icon { width: 38px; height: 38px; display: grid; place-items: center; margin-bottom: 22px; border-radius: 11px; color: #101020; background: var(--cyan); font-weight: 900; }
.feature-card:nth-child(2) .feature-icon { background: var(--yellow); }
.feature-card:nth-child(3) .feature-icon { background: #b99bff; }
.feature-card p, .quote p, .guide-step p, .faq-item p { color: var(--muted); margin: 0; }
.shots { display: grid; grid-template-columns: 1.25fr .75fr .75fr; gap: 16px; align-items: end; }
.shot { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 14px; }
.shot img { width: 100%; max-width: 400px; margin: 0 auto; border-radius: 9px; }
.shot.tall { grid-row: span 2; }
.shot figcaption { color: var(--muted); font-size: .84rem; margin-top: 10px; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.stat { padding: 24px; }
.stat strong { display: block; color: var(--yellow); font-size: 2rem; line-height: 1; margin-bottom: 8px; }
.stat span { color: var(--muted); font-size: .9rem; }
.quote { padding: 24px; }
.quote mark { background: none; color: var(--cyan); font-weight: 700; }
.quote cite { display: block; margin-top: 16px; color: var(--muted); font-style: normal; font-size: .88rem; }
.link-card { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 22px; border-bottom: 1px solid var(--line); }
.link-card:first-child { border-top: 1px solid var(--line); }
.link-card span { color: var(--muted); font-size: .9rem; }
.link-card:hover strong { color: var(--cyan); }
.page-hero { padding: 76px 0 46px; border-bottom: 1px solid var(--line); background: linear-gradient(115deg, rgba(124,92,255,.13), transparent 45%); }
.page-hero h1 { font-size: clamp(2.2rem, 5vw, 4rem); max-width: 760px; }
.article { max-width: 850px; }
.article p { color: var(--muted); font-size: 1.02rem; }
.article h2 { margin-top: 46px; font-size: 1.8rem; }
.guide-list { display: grid; gap: 14px; margin-top: 22px; }
.guide-step { display: grid; grid-template-columns: 55px 1fr; gap: 18px; padding: 22px; }
.step-num { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 50%; background: var(--violet); color: #fff; font-weight: 800; }
.callout { margin: 28px 0; padding: 20px 22px; border-left: 3px solid var(--cyan); background: rgba(25,211,255,.06); color: var(--muted); }
.faq-list { display: grid; gap: 12px; }
.faq-item { padding: 22px 24px; }
.faq-item h3 { margin-bottom: 8px; color: var(--ink); font-size: 1.05rem; }
.footer { border-top: 1px solid var(--line); padding: 36px 0 46px; color: var(--muted); font-size: .88rem; }
.footer-grid { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; }
.footer-brand { color: var(--ink); font-weight: 700; }
.disclaimer { max-width: 600px; margin: 0; }
.copyright { margin: 18px 0 0; color: #76728e; }
@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav-links { display: none; position: absolute; top: 76px; left: 0; right: 0; padding: 16px 24px 22px; background: #121023; border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; }
  .nav-links.open { display: flex; }
  .nav-links .nav-cta { text-align: center; }
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero { padding-top: 64px; }
  .hero-art { min-height: 330px; }
  .grid-3 { grid-template-columns: 1fr; }
  .shots { grid-template-columns: 1fr 1fr; }
  .shot.tall { grid-row: auto; grid-column: span 2; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .section-head { display: block; }
}
@media (max-width: 540px) {
  .container { padding: 0 18px; }
  .nav-wrap { padding: 0 18px; }
  .brand img { width: 128px; }
  h1 { font-size: 2.6rem; }
  .shots { grid-template-columns: 1fr; }
  .shot.tall { grid-column: auto; }
  .stats { grid-template-columns: 1fr 1fr; }
  .footer-grid { display: block; }
  .disclaimer { margin-top: 14px; }
}