:root {
  --bg-1: #bbdefb;
  --bg-2: #e3f2fd;
  --bg-3: #eaf7ff;
  --card: #ffffff;
  --ink: #111827;
  --muted: #374151;
  --primary: #2563eb;
  --surface: rgba(255, 255, 255, 0.9);
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  --radius: 12px;
  --maxw: 840px;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial,
    "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--ink);
  background: linear-gradient(160deg, var(--bg-1) 0%, var(--bg-2) 50%, var(--bg-3) 100%);
  background-attachment: fixed;
}

.hero-banner {
  display: block;
  max-width: var(--maxw);
  width: calc(100% - 32px);
  margin: 24px auto 0;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  object-fit: cover;
}

.card {
  max-width: var(--maxw);
  margin: 0 auto 96px auto;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px 28px;
}

.title {
  margin: 0 0 8px;
  text-align: center;
  font-weight: 700;
  font-size: 24px;
  letter-spacing: 0.2px;
}

.subtitle {
  margin: 0 0 20px;
  text-align: center;
  color: var(--muted);
  font-size: 18px;
  font-weight: 400;
  line-height: 1.45;
}

.hero-icon {
  display: block;
  width: 120px;
  height: 120px;
  margin: 12px auto 16px;
  object-fit: contain;
  border-radius: 24px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
  background: #f8fafc;
}

.badges,
.uneed {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.badges {
  margin: 12px 0 16px;
}

.uneed {
  margin: 12px 0;
}

.uneed a,
.uneed img {
  display: block;
}

.badge {
  display: inline-flex;
  width: 160px;
  height: 50px;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 8px;
  background: #f1f5f9;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
  cursor: pointer;
  transition: transform 0.06s ease;
}

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

.badge img {
  display: block;
  width: 100%;
  height: auto;
}

.body {
  margin: 18px 0 12px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}

.links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 8px;
  font-size: 16px;
}

.link-btn {
  padding: 10px 14px;
  border-radius: 8px;
  color: white;
  background: var(--primary);
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
  transition: transform 0.06s ease, box-shadow 0.12s ease;
}

.link-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.28);
}

.link-ghost {
  padding: 8px 10px;
  border-radius: 8px;
  color: var(--primary);
  background: rgba(37, 99, 235, 0.08);
  text-decoration: none;
}

@media (max-width: 560px) {
  .card {
    margin: 16px;
    padding: 24px 18px;
  }

  .hero-banner {
    width: calc(100% - 24px);
    margin-top: 16px;
  }

  .hero-icon {
    width: 96px;
    height: 96px;
  }

  .badge {
    width: 150px;
    height: 48px;
  }
}