:root {
  --ink: #0b1220;
  --ink-2: #111b2e;
  --muted: #5b677a;
  --line: #e3e8f1;
  --bg: #f7f9fd;
  --card: #ffffff;
  --brand: #5b6cff;
  --accent: #16c7d9;
  --radius: 18px;
  --shadow: 0 20px 60px rgba(16, 24, 40, .08);
  --header-h: 68px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  line-height: 1.7; -webkit-font-smoothing: antialiased;
}
button, input, select, textarea { font: inherit; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.wrap { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(11, 18, 32, .85); color: #fff;
  border-bottom: 1px solid rgba(255,255,255,.08);
  backdrop-filter: blur(14px);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: .02em; }
.brand img { width: 32px; height: 32px; border-radius: 9px; object-fit: cover; }
.brand small { display: block; font-size: 10px; font-weight: 500; letter-spacing: .18em; color: #8ea0bd; }
.site-nav { display: flex; align-items: center; gap: 8px; font-size: 15.5px; font-weight: 600; letter-spacing: .2px; color: #94a3b8; }
.site-nav a {
  position: relative; color: inherit; padding: 10px 16px; border-radius: 10px;
  white-space: nowrap; transition: color .3s, background .3s;
}
.site-nav a::after {
  content: ''; position: absolute; bottom: 4px; left: 50%; transform: translateX(-50%);
  width: 0; height: 2px; border-radius: 2px;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  transition: width .3s;
}
.site-nav a:hover { color: #fff; background: rgba(99,102,241,.12); }
.site-nav a:hover::after { width: 60%; }
.header-cta { display: inline-flex; align-items: center; gap: 6px; padding: 9px 16px; border-radius: 999px; background: linear-gradient(135deg, var(--brand), var(--accent)); color: #fff; font-weight: 700; font-size: 13px; white-space: nowrap; }
.hero {
  position: relative; overflow: hidden; color: #fff;
  background:
    radial-gradient(900px 420px at 12% 8%, rgba(91,108,255,.38), transparent 62%),
    radial-gradient(760px 360px at 92% 20%, rgba(22,199,217,.24), transparent 64%),
    linear-gradient(150deg, #0a1120, #101c33 55%, #0b1627);
}
.hero::after { content: ""; position: absolute; inset: 0; 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: 44px 44px; mask-image: linear-gradient(to bottom, #000, transparent 88%); pointer-events: none; }
.hero { margin-top: calc(-1 * var(--header-h)); padding-top: 72px; }
.hero-inner { position: relative; z-index: 1; padding: 86px 0 72px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border: 1px solid rgba(255,255,255,.14); border-radius: 999px; color: #a9c6ff; font-size: 12px; letter-spacing: .12em; background: rgba(255,255,255,.04); }
.hero h1 { max-width: 900px; margin: 20px 0 18px; font-size: clamp(34px, 5vw, 58px); line-height: 1.12; letter-spacing: -.02em; }
.hero h1 em { font-style: normal; background: linear-gradient(90deg, #9fb2ff, #5ee7f1); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .lead { max-width: 760px; color: #b9c6dc; font-size: 16px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 0 22px; border-radius: 12px; font-weight: 700; font-size: 14px; transition: transform .2s ease, opacity .2s ease; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: linear-gradient(135deg, #6b7cff, #1ed5e3); color: #06101f; }
.btn-ghost { border: 1px solid rgba(255,255,255,.18); color: #e3ecff; background: rgba(255,255,255,.04); }
.hero-facts { display: flex; flex-wrap: wrap; gap: 28px 54px; margin-top: 40px; padding-top: 26px; border-top: 1px solid rgba(255,255,255,.1); }
.fact strong { display: block; font-size: 25px; line-height: 1.2; }
.fact span { color: #93a4bf; font-size: 12px; }
.section { padding: 68px 0; }
.section.alt { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 760px; margin-bottom: 30px; }
.section-head .kicker { color: var(--brand); font-size: 12px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.section-head h2 { margin: 10px 0 10px; font-size: clamp(25px, 3.4vw, 36px); line-height: 1.25; letter-spacing: -.015em; }
.section-head p { margin: 0; color: var(--muted); }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: 0 8px 24px rgba(16,24,40,.035); }
.card .icon { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 11px; background: #eef1ff; color: var(--brand); font-size: 19px; margin-bottom: 14px; }
.card h3 { margin: 0 0 8px; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.split { display: grid; grid-template-columns: 1.15fr .85fr; gap: 34px; align-items: start; }
.split.split-equal { align-items: stretch; }
.split.split-equal > .panel { height: 100%; }
.panel {
  background: rgba(12, 23, 41, .85); color: #dfe8fa; border-radius: var(--radius); padding: 26px;
  border: 1px solid rgba(255,255,255,.08);
  -webkit-backdrop-filter: blur(12px) saturate(120%);
  backdrop-filter: blur(12px) saturate(120%);
}
.panel h3 { margin: 0 0 8px; color: #fff; }
.panel p, .panel li { color: #aebbd2; font-size: 14px; }
.panel ul { margin: 12px 0 0; padding-left: 20px; }
.panel li + li { margin-top: 7px; }
.steps { display: grid; gap: 12px; counter-reset: step; }
.step { position: relative; padding: 18px 18px 18px 56px; background: #fff; border: 1px solid var(--line); border-radius: 14px; }
.step::before { counter-increment: step; content: counter(step, decimal-leading-zero); position: absolute; left: 18px; top: 17px; color: var(--brand); font-weight: 800; font-size: 13px; letter-spacing: .08em; }
.step h3 { margin: 0 0 4px; font-size: 15px; }
.step p { margin: 0; color: var(--muted); font-size: 13.5px; }
.price-table { width: 100%; border-collapse: separate; border-spacing: 0; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.price-table th, .price-table td { padding: 15px 16px; text-align: left; border-bottom: 1px solid var(--line); font-size: 14px; }
.price-table th { background: #f1f4fb; color: #344054; font-size: 12px; letter-spacing: .04em; }
.price-table tr:last-child td { border-bottom: none; }
.price-table .money { font-weight: 800; color: var(--ink); white-space: nowrap; }
.price-note { margin: 12px 0 0; color: var(--muted); font-size: 12.5px; }
.faq { display: grid; gap: 10px; }
details.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 13px; padding: 16px 18px; }
details.faq-item summary { cursor: pointer; font-weight: 700; font-size: 14.5px; list-style: none; }
details.faq-item summary::-webkit-details-marker { display: none; }
details.faq-item p { margin: 10px 0 0; color: var(--muted); font-size: 14px; }
.cta-band { background: linear-gradient(135deg, #111c33, #1b2d51); color: #fff; border-radius: 22px; padding: 34px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.cta-band h2 { margin: 0 0 6px; font-size: 25px; }
.cta-band p { margin: 0; color: #b7c6df; font-size: 14px; }
.site-footer { background: #0a1120; color: #9dacd1; padding: 38px 0 26px; font-size: 13px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-bottom: 18px; }
.footer-links a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding-top: 16px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; color: #7184a8; }
@media (max-width: 1100px) and (min-width: 901px) {
  .site-nav { gap: 2px; }
  .site-nav a { padding: 9px 10px; font-size: 14px; }
}
@media (max-width: 900px) {
  .site-nav { display: none; }
  .grid, .grid.two { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; }
  .hero { padding-top: 56px; }
  .hero-inner { padding: 64px 0 52px; }
  .cta-band { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 640px) {
  .wrap { width: min(100% - 32px, 1180px); }
  :root { --header-h: 62px; }
  .header-inner { min-height: 62px; }
  .grid, .grid.two { grid-template-columns: 1fr; }
  .section { padding: 50px 0; }
  .hero-facts { gap: 18px 30px; }
  .price-table { display: block; overflow-x: auto; }
  .price-table table { min-width: 620px; }
  .cta-band { padding: 24px; }
}
