:root {
  --ver2-bg: #f3f6fb;
  --ver2-surface: #ffffff;
  --ver2-surface-soft: #f8fbff;
  --ver2-text-1: #10233b;
  --ver2-text-2: #48607c;
  --ver2-primary: #0b5fff;
  --ver2-primary-hover: #094bd1;
  --ver2-accent: #13b4a6;
  --ver2-border: #d9e5f2;
  --ver2-shadow-1: 0 6px 18px rgba(16, 35, 59, 0.08);
  --ver2-shadow-2: 0 10px 28px rgba(11, 95, 255, 0.12);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  clip: rect(0 0 0 0);
  overflow: hidden;
}

.ver2-shell {
  max-width: 1440px;
  margin: 0 auto;
  padding: 20px 16px 36px;
  color: var(--ver2-text-1);
  font-family: "IBM Plex Sans", "Noto Sans SC", "Segoe UI", sans-serif;
}

.ver2-hero {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  background:
    radial-gradient(1200px 250px at 20% -30%, rgba(19, 180, 166, 0.24), transparent),
    linear-gradient(135deg, #0b5fff, #0b4bcf);
  border-radius: 18px;
  padding: 24px;
  margin-bottom: 18px;
  color: #fff;
}

.ver2-kicker {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.9;
}

.ver2-hero h1 {
  margin: 0;
  font-size: 30px;
  line-height: 1.2;
  text-wrap: balance;
}

.ver2-hero p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.6;
  opacity: 0.96;
}

.ver2-hero-actions {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.ver2-back-link {
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border-radius: 999px;
  text-decoration: none;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.08);
}

.ver2-back-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.16);
}

.ver2-beta-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: #f3c130;
  color: #3d2a00;
  font-size: 12px;
  font-weight: 700;
}

.ver2-main {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.ver2-sidebar {
  background: var(--ver2-surface);
  border: 1px solid var(--ver2-border);
  border-radius: 14px;
  box-shadow: var(--ver2-shadow-1);
  padding: 14px;
  position: sticky;
  top: 88px;
}

.ver2-content {
  min-width: 0;
}

@media (max-width: 1024px) {
  .ver2-main {
    grid-template-columns: 1fr;
  }

  .ver2-sidebar {
    position: static;
  }
}

@media (max-width: 768px) {
  .ver2-hero {
    flex-direction: column;
    padding: 20px;
  }

  .ver2-hero h1 {
    font-size: 24px;
  }
}