:root {
  color-scheme: light;
  --ink: #3e342f;
  --soft-ink: #76645d;
  --paper: #fffaf2;
  --card: #ffffff;
  --line: #ecdcc8;
  --mint: #dff5ec;
  --peach: #ffe7df;
  --honey: #ffe08a;
  --button: #6d5a51;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans GB", "PingFang SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at 82% 12%, rgba(255, 224, 138, 0.36), transparent 28rem),
    linear-gradient(180deg, #fff7ea 0%, #effaf5 100%);
  color: var(--ink);
}

a {
  color: inherit;
}

.page {
  width: min(1040px, calc(100% - 32px));
  margin: 0 auto;
  padding: 56px 0;
}

.narrow {
  width: min(780px, calc(100% - 32px));
}

.hero {
  min-height: calc(100vh - 112px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 20px;
}

.brand img {
  width: 92px;
  height: 92px;
  border-radius: 24px;
  box-shadow: 0 16px 34px rgba(90, 70, 55, 0.16);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--soft-ink);
  font-weight: 700;
  letter-spacing: 0;
}

h1 {
  margin: 0;
  font-size: clamp(44px, 8vw, 92px);
  line-height: 1.04;
  letter-spacing: 0;
}

.lead {
  max-width: 760px;
  margin: 0;
  font-size: 30px;
  line-height: 1.45;
  color: var(--soft-ink);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.actions a,
.topnav a {
  text-decoration: none;
  font-weight: 800;
}

.actions a {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  border-radius: 24px;
  padding: 0 22px;
  background: var(--button);
  color: #fffaf2;
}

.actions a + a {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
}

.topnav {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 34px;
  color: var(--soft-ink);
}

.content {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(236, 220, 200, 0.9);
  border-radius: 8px;
  padding: clamp(24px, 5vw, 48px);
  box-shadow: 0 18px 42px rgba(103, 84, 76, 0.08);
}

.content h1 {
  font-size: clamp(34px, 6vw, 56px);
}

.content h2 {
  margin: 34px 0 12px;
  font-size: 24px;
  letter-spacing: 0;
}

.content p,
.features {
  font-size: 18px;
  line-height: 1.8;
  color: var(--soft-ink);
}

.features {
  display: grid;
  gap: 10px;
  margin: 24px 0;
  padding-left: 22px;
}

.note {
  padding: 16px 18px;
  border-radius: 8px;
  background: var(--mint);
}

.muted {
  color: #9a887f;
}

.support-box {
  margin: 26px 0;
  padding: 22px;
  border-radius: 8px;
  background: var(--peach);
  border: 1px solid #f0cfc4;
}

.support-box p {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 800;
}

.support-box a {
  font-size: 20px;
  font-weight: 800;
}

@media (max-width: 640px) {
  .page {
    padding: 32px 0;
  }

  .hero {
    min-height: calc(100vh - 64px);
  }

  .brand {
    align-items: flex-start;
  }

  .brand img {
    width: 72px;
    height: 72px;
    border-radius: 20px;
  }

  .lead {
    font-size: 23px;
  }
}
