:root {
  --bg: #101110;
  --panel: #191a18;
  --panel-2: #22241f;
  --line: #3f4631;
  --text: #eeeede;
  --muted: #bcc3a7;
  --dim: #7f8874;
  --neon: #c3f400;
  --green: #47e266;
  --amber: #ffb868;
  --blue: #5cbeff;
  --ink: #050604;
  --radius: 8px;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(90deg, rgba(195, 244, 0, .06) 1px, transparent 1px),
    linear-gradient(180deg, rgba(195, 244, 0, .05) 1px, transparent 1px),
    radial-gradient(circle at 78% 12%, rgba(195, 244, 0, .18), transparent 28rem),
    radial-gradient(circle at 16% 76%, rgba(92, 190, 255, .11), transparent 24rem),
    var(--bg);
  background-size: 48px 48px, 48px 48px, auto, auto, auto;
  color: var(--text);
  font-family: "Avenir Next", "PingFang SC", "Microsoft YaHei", sans-serif;
  letter-spacing: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(195, 244, 0, .14);
  background: rgba(16, 17, 16, .86);
  backdrop-filter: blur(16px);
}

.nav {
  width: min(1160px, calc(100% - 32px));
  min-height: 68px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background: var(--neon);
  color: var(--ink);
  font-weight: 900;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a {
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 14px;
}

.nav-links a:hover,
.nav-links a.active {
  border-color: var(--line);
  color: var(--neon);
  background: rgba(195, 244, 0, .07);
}

.wrap {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  min-height: calc(100vh - 68px);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, .95fr);
  align-items: center;
  gap: 46px;
  padding: 58px 0 40px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--neon);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--neon);
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.08;
}

h1 {
  margin-top: 18px;
  font-size: clamp(48px, 8vw, 104px);
  max-width: 8.5em;
}

h2 {
  font-size: clamp(32px, 5vw, 64px);
}

h3 {
  font-size: 22px;
}

p {
  color: var(--muted);
  line-height: 1.8;
}

.hero-copy {
  max-width: 640px;
  font-size: 18px;
}

.hero-actions,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, .03);
  font-weight: 700;
}

.btn.primary {
  border-color: var(--neon);
  background: var(--neon);
  color: var(--ink);
}

.btn:hover {
  transform: translateY(-1px);
}

.phone-wall {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  align-items: center;
}

.shot {
  overflow: hidden;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: 0 24px 80px rgba(0, 0, 0, .34);
}

.shot.offset {
  transform: translateY(34px);
}

.section {
  padding: 84px 0;
  border-top: 1px solid rgba(195, 244, 0, .09);
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.section-head p {
  max-width: 520px;
  margin: 0;
}

.grid {
  display: grid;
  gap: 14px;
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  min-height: 172px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.015)), var(--panel);
}

.card strong {
  color: var(--neon);
}

.metric {
  font-variant-numeric: tabular-nums;
  font-size: 42px;
  font-weight: 900;
  color: var(--neon);
}

.steps {
  counter-reset: step;
}

.step {
  counter-increment: step;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(195, 244, 0, .12);
}

.step::before {
  content: counter(step, decimal-leading-zero);
  color: var(--ink);
  background: var(--neon);
  height: 38px;
  display: grid;
  place-items: center;
  font-weight: 900;
  border-radius: var(--radius);
}

.legal-layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 38px;
  padding: 56px 0 88px;
}

.toc {
  position: sticky;
  top: 92px;
  align-self: start;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(25, 26, 24, .74);
  padding: 14px;
}

.toc a {
  display: block;
  padding: 10px;
  border-radius: 6px;
  color: var(--muted);
  font-size: 14px;
}

.toc a:hover {
  color: var(--neon);
  background: rgba(195, 244, 0, .07);
}

.article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(25, 26, 24, .82);
  padding: clamp(22px, 5vw, 54px);
}

.article h1 {
  font-size: clamp(36px, 7vw, 72px);
}

.article h2 {
  margin-top: 42px;
  padding-top: 24px;
  border-top: 1px solid rgba(195, 244, 0, .13);
  font-size: 28px;
}

.article ul,
.article ol {
  padding-left: 1.25em;
  color: var(--muted);
  line-height: 1.85;
}

.article li + li {
  margin-top: 8px;
}

.notice {
  margin: 26px 0;
  padding: 18px;
  border-left: 4px solid var(--neon);
  background: rgba(195, 244, 0, .08);
  color: var(--text);
}

.footer {
  border-top: 1px solid rgba(195, 244, 0, .14);
  padding: 30px 0 42px;
  color: var(--dim);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.footer a {
  color: var(--muted);
  margin-right: 14px;
}

@media (max-width: 860px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .hero,
  .legal-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .grid.three,
  .grid.two {
    grid-template-columns: 1fr;
  }

  .section-head {
    display: block;
  }

  .toc {
    position: static;
  }
}

@media (max-width: 520px) {
  .phone-wall {
    grid-template-columns: 1fr;
  }

  .shot.offset {
    transform: none;
  }

  .nav-links a {
    padding: 8px 9px;
  }
}