:root {
  --bg: #f3efe7;
  --panel: rgba(255, 250, 241, 0.8);
  --text: #1d1a16;
  --muted: #63574a;
  --line: rgba(54, 42, 28, 0.12);
  --accent: #d46a3a;
  --accent-strong: #b14c1f;
  --shadow: 0 24px 80px rgba(74, 46, 28, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(244, 190, 147, 0.45), transparent 34%),
    linear-gradient(180deg, #f9f3ea 0%, #f3efe7 48%, #efe7db 100%);
}

img {
  max-width: 100%;
  display: block;
}

.page {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 32px 0 72px;
}

.hero,
.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  align-items: center;
}

.hero {
  min-height: 82vh;
}

.hero-copy h1,
.section-heading h2,
.split h2 {
  margin: 0;
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.hero-copy h1 {
  font-size: clamp(48px, 7vw, 88px);
}

.lead,
.split p,
.card p,
.hint,
.note,
.steps {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-strong);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 13px;
  font-weight: 700;
}

.actions {
  display: flex;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
}

.button.primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 14px 40px rgba(212, 106, 58, 0.3);
}

.button.ghost {
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.52);
}

.hero-art img,
.note,
.card {
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.hero-art img {
  border-radius: 28px;
  overflow: hidden;
}

.section {
  padding: 56px 0 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 22px;
}

.section-heading h2,
.split h2 {
  font-size: clamp(32px, 4vw, 54px);
}

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

.card,
.note {
  padding: 24px;
  border-radius: 24px;
}

.card h3 {
  margin-top: 0;
  margin-bottom: 8px;
  font-size: 24px;
}

.note ul,
.steps {
  margin-bottom: 0;
}

.install {
  padding-bottom: 24px;
}

@media (max-width: 900px) {
  .hero,
  .split,
  .grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 16px;
  }

  .actions {
    flex-direction: column;
  }
}