:root {
  --bg: #07111f;
  --card: rgba(8, 18, 34, 0.84);
  --card-soft: rgba(255, 255, 255, 0.9);
  --border: rgba(154, 182, 214, 0.22);
  --text: #f7fbff;
  --muted: #d8e6f6;
  --dark: #0f172a;
  --shadow: 0 24px 60px rgba(2, 8, 22, 0.34);
  --radius: 28px;
}
* { box-sizing: border-box; }
html {
  min-height: 100%;
  background:
    radial-gradient(1000px 560px at 12% 0%, rgba(34, 211, 238, 0.16), transparent 60%),
    radial-gradient(840px 520px at 100% 10%, rgba(37, 99, 235, 0.18), transparent 58%),
    linear-gradient(180deg, #06101d, #030914);
}
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Segoe UI", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  background: transparent;
}
#topbar-mount {
  position: relative;
  z-index: 20;
}
.page-shell { width: min(1120px, calc(100% - 28px)); margin: 34px auto 40px; }
.page-hero, .content-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03)), var(--card);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.page-hero { padding: 28px 24px 24px; text-align: center; }
.page-kicker {
  display: inline-flex; padding: 8px 14px; border-radius: 999px;
  background: rgba(8, 47, 73, 0.46); border: 1px solid rgba(125, 211, 252, 0.22);
  color: #effbff; font-size: 12px; font-weight: 900; letter-spacing: 0.18em; text-transform: uppercase;
}
.page-hero h1 { margin: 16px 0 0; font-size: clamp(30px, 5vw, 42px); line-height: 1.08; }
.page-hero p {
  width: min(760px, 100%); margin: 12px auto 0; padding: 14px 16px; border-radius: 18px;
  background: var(--card-soft); color: var(--dark); line-height: 1.7; font-weight: 700;
}
.content-card { margin-top: 18px; padding: 20px; }
.section-grid { display: grid; gap: 16px; }
.content-section {
  padding: 18px; border-radius: 22px; background: rgba(7, 16, 31, 0.7);
  border: 1px solid rgba(148, 163, 184, 0.16);
}
.content-section h2 { margin: 0 0 10px; font-size: 20px; color: #ffffff; }
.content-section p, .content-section li { color: #ffffff; line-height: 1.75; font-size: 15px; }
.content-section ul { margin: 0; padding-left: 20px; }
.content-highlight {
  margin-top: 14px; padding: 14px 16px; border-radius: 16px; background: rgba(255, 255, 255, 0.92);
  color: var(--dark); border: 1px solid rgba(148, 163, 184, 0.2); line-height: 1.7; font-weight: 700;
}
@media (max-width: 760px) {
  .page-shell { width: min(100% - 16px, 1120px); margin-top: 24px; }
  .page-hero, .content-card { border-radius: 24px; }
  .page-hero { padding: 22px 16px 18px; }
  .content-card { padding: 14px; }
  .content-section { padding: 16px; }
}