:root {
  --bg-0: #090806;
  --bg-1: #12100c;
  --panel: rgba(20, 16, 11, 0.86);
  --panel-strong: rgba(30, 23, 14, 0.94);
  --text-main: #efe4c3;
  --text-sub: #b7a579;
  --gold: #d4af37;
  --gold-soft: #f2d98f;
  --line: rgba(212, 175, 55, 0.32);
  --line-soft: rgba(212, 175, 55, 0.14);
  --shadow: rgba(0, 0, 0, 0.32);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  color: var(--text-main);
  background:
    radial-gradient(circle at 16% 10%, rgba(212, 175, 55, 0.16), transparent 32%),
    radial-gradient(circle at 88% 78%, rgba(212, 175, 55, 0.12), transparent 34%),
    linear-gradient(145deg, var(--bg-0), var(--bg-1));
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', Arial, sans-serif;
  line-height: 1.75;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(45deg, rgba(212, 175, 55, 0.025) 0 2px, transparent 2px 18px);
}

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

img {
  max-width: 100%;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  background: rgba(8, 7, 5, 0.78);
  border-bottom: 1px solid var(--line-soft);
}

.navbar {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 220px;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(212, 175, 55, 0.18);
}

.brand-title {
  display: block;
  color: var(--gold-soft);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.brand-subtitle {
  display: block;
  color: var(--text-sub);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 14px;
  flex-wrap: wrap;
  color: var(--text-sub);
  font-size: 0.92rem;
}

.nav-links a {
  padding: 7px 10px;
  border-radius: 999px;
  transition: background 0.2s ease, color 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--gold-soft);
  background: rgba(212, 175, 55, 0.12);
}

.hero {
  padding: 72px 0 44px;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  gap: 32px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  padding: 6px 12px;
  color: var(--gold-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(212, 175, 55, 0.09);
  font-size: 0.86rem;
  letter-spacing: 0.04em;
}

h1 {
  max-width: 820px;
  color: #fff3cd;
  font-size: clamp(2.05rem, 5vw, 4.6rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
  margin-bottom: 22px;
}

.hero-desc {
  max-width: 760px;
  color: var(--text-sub);
  font-size: clamp(1rem, 2vw, 1.18rem);
  margin-bottom: 28px;
}

.cta-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  color: #1b1306;
  background: linear-gradient(135deg, var(--gold-soft), var(--gold));
  box-shadow: 0 16px 38px rgba(212, 175, 55, 0.22);
}

.btn-secondary {
  color: var(--gold-soft);
  border-color: var(--line);
  background: rgba(20, 16, 11, 0.72);
}

.hero-card,
.card {
  border: 1px solid var(--line-soft);
  border-radius: 24px;
  background: linear-gradient(160deg, var(--panel-strong), rgba(15, 12, 8, 0.78));
  box-shadow: 0 24px 60px var(--shadow);
}

.hero-card {
  padding: 26px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.metric {
  padding: 18px;
  border: 1px solid var(--line-soft);
  border-radius: 18px;
  background: rgba(212, 175, 55, 0.06);
}

.metric strong {
  display: block;
  color: var(--gold-soft);
  font-size: 1.5rem;
  line-height: 1.2;
}

.metric span {
  color: var(--text-sub);
  font-size: 0.92rem;
}

.section {
  padding: 42px 0;
}

.section-head {
  max-width: 780px;
  margin-bottom: 24px;
}

.section-kicker {
  color: var(--gold);
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

h2 {
  color: #fff0bd;
  font-size: clamp(1.45rem, 3vw, 2.2rem);
  line-height: 1.28;
  margin-bottom: 10px;
}

.section-head p {
  color: var(--text-sub);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

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

.card {
  padding: 24px;
}

.card h3 {
  color: var(--gold-soft);
  font-size: 1.12rem;
  margin-bottom: 10px;
}

.card p,
.card li {
  color: var(--text-sub);
  font-size: 0.96rem;
}

.card ul,
.content-list {
  display: grid;
  gap: 10px;
  padding-left: 18px;
}

.pill-list {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.pill {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--gold-soft);
  border: 1px solid var(--line-soft);
  background: rgba(212, 175, 55, 0.07);
  font-size: 0.84rem;
}

.timeline {
  display: grid;
  gap: 16px;
  counter-reset: step;
}

.step {
  position: relative;
  padding: 22px 22px 22px 68px;
  border: 1px solid var(--line-soft);
  border-radius: 20px;
  background: rgba(20, 16, 11, 0.72);
}

.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 20px;
  top: 22px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #1b1306;
  font-weight: 900;
  background: linear-gradient(135deg, var(--gold-soft), var(--gold));
}

.step h3 {
  color: var(--gold-soft);
  margin-bottom: 8px;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  border: 1px solid var(--line-soft);
  border-radius: 18px;
  background: rgba(20, 16, 11, 0.74);
  overflow: hidden;
}

.faq-item summary {
  cursor: pointer;
  padding: 18px 20px;
  color: var(--gold-soft);
  font-weight: 800;
}

.faq-item p {
  padding: 0 20px 20px;
  color: var(--text-sub);
}

.price-card {
  position: relative;
  overflow: hidden;
}

.price-card.featured {
  border-color: rgba(242, 217, 143, 0.48);
  box-shadow: 0 28px 70px rgba(212, 175, 55, 0.18);
}

.price {
  color: #fff0bd;
  font-size: 2rem;
  font-weight: 900;
  margin: 14px 0;
}

.note-box {
  padding: 20px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(212, 175, 55, 0.08);
  color: var(--text-sub);
}

.site-footer {
  margin-top: 40px;
  border-top: 1px solid var(--line-soft);
  padding: 28px 0 36px;
  color: var(--text-sub);
  font-size: 0.9rem;
}

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

.footer-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-links a:hover {
  color: var(--gold-soft);
}

@media (max-width: 900px) {
  .navbar {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

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

  .hero {
    grid-template-columns: 1fr;
    padding-top: 42px;
  }

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

@media (max-width: 560px) {
  .page-shell {
    width: min(100% - 22px, 1160px);
  }

  .nav-links {
    gap: 6px;
    font-size: 0.84rem;
  }

  .hero-card,
  .card {
    padding: 20px;
  }

  .metric-grid {
    grid-template-columns: 1fr;
  }
}