@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700&family=ZCOOL+XiaoWei&display=swap");

:root {
  --bg-1: #fff6e9;
  --bg-2: #ffe6c7;
  --ink: #3b2f2a;
  --ink-soft: #6a5a50;
  --accent: #f7b733;
  --accent-2: #ff8f3d;
  --card: rgba(255, 255, 255, 0.7);
  --border: rgba(255, 255, 255, 0.5);
  --shadow: 0 12px 30px rgba(79, 55, 33, 0.18);
}

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

body {
  margin: 0;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at top left, #fff9f1 0%, #ffe7c7 45%, #ffd9b0 100%);
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.hero {
  padding: 72px 0 48px;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
  align-items: center;
}

.logo-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  font-weight: 600;
  letter-spacing: 0.5px;
}

.hero-title {
  font-family: "ZCOOL XiaoWei", serif;
  font-size: clamp(36px, 5vw, 54px);
  margin: 16px 0 10px;
}

.hero-subtitle {
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0 0 24px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 14px;
  border: 1px solid transparent;
  font-weight: 600;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: var(--shadow);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.85);
  border-color: var(--border);
  color: var(--ink);
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 22px;
  box-shadow: var(--shadow);
}

.section {
  padding: 36px 0;
}

.section-title {
  font-family: "ZCOOL XiaoWei", serif;
  font-size: 28px;
  margin: 0 0 12px;
}

.section-desc {
  color: var(--ink-soft);
  margin: 0 0 22px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.feature-item {
  padding: 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.65);
}

.feature-item h4 {
  margin: 0 0 8px;
  font-size: 16px;
}

.feature-item p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.6;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.step {
  padding: 18px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px dashed rgba(255, 255, 255, 0.7);
}

.step span {
  font-weight: 700;
  color: var(--accent-2);
}

.download-box {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  align-items: stretch;
}

.download-card {
  padding: 18px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.download-card small {
  color: var(--ink-soft);
}

.faq {
  display: grid;
  gap: 12px;
}

.faq-item {
  padding: 16px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.7);
}

.footer {
  padding: 32px 0 40px;
  font-size: 13px;
  color: var(--ink-soft);
  text-align: center;
}

.footer a {
  color: inherit;
  text-decoration: underline;
}

@media (max-width: 640px) {
  .hero {
    padding-top: 52px;
  }

  .cta-group {
    flex-direction: column;
    align-items: flex-start;
  }
}