:root {
  --bg: #f6efe4;
  --panel: rgba(255, 252, 247, 0.9);
  --line: rgba(88, 62, 36, 0.14);
  --text: #2c2118;
  --muted: #6b5747;
  --green: #2d6a4f;
  --green-soft: #d8f0df;
  --orange: #b85c38;
  --orange-soft: #ffe5d5;
  --shadow: 0 22px 60px rgba(67, 44, 27, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 214, 165, 0.55), transparent 32%),
    radial-gradient(circle at top right, rgba(184, 92, 56, 0.14), transparent 28%),
    linear-gradient(180deg, #fff9f0 0%, var(--bg) 100%);
}

.page-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 64px;
}

.hero {
  padding: 28px 28px 22px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--orange);
  font-weight: 700;
  letter-spacing: 0.08em;
}

h1 {
  margin: 0;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.05;
}

.hero-copy {
  max-width: 760px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 18px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.card-head {
  padding: 24px 24px 8px;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
}

.badge-green {
  color: var(--green);
  background: var(--green-soft);
}

.badge-orange {
  color: var(--orange);
  background: var(--orange-soft);
}

h2 {
  margin: 16px 0 10px;
  font-size: 28px;
}

.card p {
  margin: 0 0 12px;
  color: var(--muted);
  line-height: 1.7;
}

video {
  display: block;
  width: calc(100% - 32px);
  margin: 12px 16px 0;
  border-radius: 18px;
  background: #000;
}

.download-link {
  display: inline-block;
  margin: 16px;
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

.download-link:hover {
  text-decoration: underline;
}

@media (max-width: 860px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .page-shell {
    width: min(100% - 20px, 1120px);
    padding-top: 28px;
  }

  .hero {
    padding: 18px 10px 8px;
  }
}