:root {
  --bg: #0b0b0f;
  --bg-soft: #121219;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-light: #ffffff;
  --text: #f5f5f7;
  --text-dark: #101014;
  --muted: rgba(255, 255, 255, 0.7);
  --muted-dark: #5f6370;
  --line: rgba(255, 255, 255, 0.1);
  --accent: #ff335f;
  --accent-2: #25f4ee;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 20%, rgba(37, 244, 238, 0.16), transparent 24%),
    radial-gradient(circle at 85% 10%, rgba(255, 51, 95, 0.22), transparent 20%),
    radial-gradient(circle at 50% 80%, rgba(255, 255, 255, 0.04), transparent 30%),
    linear-gradient(180deg, #0a0a0f 0%, #12121a 100%);
  min-height: 100vh;
}

.site-shell {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 24px 0 40px;
}

.page-narrow {
  width: min(820px, calc(100% - 32px));
  margin: 48px auto;
}

.card {
  background: var(--panel-light);
  border: 1px solid rgba(16, 16, 20, 0.08);
  border-radius: 28px;
  box-shadow: var(--shadow);
  padding: 30px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 8px 0 28px;
}

.brand,
.nav a,
.footer a {
  text-decoration: none;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-size: 20px;
  font-weight: 700;
}

.brand-mark {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, #fff 0 25%, transparent 26%),
    linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  box-shadow:
    4px 0 0 rgba(255, 51, 95, 0.45),
    -4px 0 0 rgba(37, 244, 238, 0.45);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.nav a {
  color: var(--muted);
  font-size: 14px;
}

.hero {
  min-height: 620px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 32px;
  padding: 28px 0 56px;
}

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

.hero-panel {
  position: relative;
  min-height: 420px;
  display: grid;
  align-content: center;
  gap: 18px;
  padding: 30px;
  border-radius: 32px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03));
  border: 1px solid var(--line);
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  inset: auto -40px -80px auto;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 51, 95, 0.55), transparent 70%);
  filter: blur(12px);
}

.metric-card {
  position: relative;
  z-index: 1;
  padding: 22px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(14px);
}

.metric-label {
  display: block;
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.metric-card strong {
  font-size: 24px;
  line-height: 1.35;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent-2);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 20px;
  font-size: clamp(44px, 8vw, 84px);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

h2 {
  margin-bottom: 12px;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.05;
}

.lead {
  max-width: 560px;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 32px;
}

.cta-primary,
.cta-secondary {
  min-height: 54px;
  padding: 0 22px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  text-decoration: none;
}

.cta-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--accent) 0%, #ff6a5c 100%);
  box-shadow: 0 14px 32px rgba(255, 51, 95, 0.3);
}

.cta-secondary {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.section-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  padding-bottom: 28px;
}

.feature-card {
  padding: 28px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.feature-dark {
  background: linear-gradient(180deg, rgba(255, 51, 95, 0.16), rgba(255, 255, 255, 0.05));
}

.feature-card p {
  color: var(--muted);
  line-height: 1.7;
}

.compliance {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 24px;
  align-items: start;
  padding: 36px 0 48px;
}

.compliance-copy p {
  color: var(--muted);
  line-height: 1.8;
  font-size: 17px;
}

.link-list {
  display: grid;
  gap: 16px;
}

.link-card {
  padding: 22px 24px;
  border-radius: 24px;
  background: var(--panel-light);
  color: var(--text-dark);
  box-shadow: var(--shadow);
  border: 1px solid rgba(16, 16, 20, 0.08);
  text-decoration: none;
}

.link-title {
  display: block;
  margin-bottom: 8px;
  font-size: 15px;
  font-weight: 700;
}

.link-url {
  color: var(--muted-dark);
  font-size: 16px;
  word-break: break-all;
}

.article h1,
.article h2,
.article p,
.article a {
  color: var(--text-dark);
}

.article p {
  line-height: 1.8;
  color: #373b46;
}

.article h2 {
  margin-top: 24px;
}

.article a {
  font-weight: 700;
  text-decoration: none;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: rgba(255, 255, 255, 0.62);
  font-size: 14px;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer a {
  color: rgba(255, 255, 255, 0.72);
}

@media (max-width: 960px) {
  .hero,
  .compliance,
  .section-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: clamp(40px, 12vw, 72px);
  }
}

@media (max-width: 720px) {
  .site-shell {
    width: min(100% - 24px, 1180px);
  }

  .card {
    padding: 22px;
    border-radius: 22px;
  }

  .topbar,
  .footer {
    flex-direction: column;
    align-items: flex-start;
  }

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