* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: #333;
  line-height: 1.6;
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

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

/* Hero */
.hero {
  padding: 48px 20px 40px;
  text-align: center;
  background: linear-gradient(
    160deg,
    #d4e8ff 0%,
    #e8f4e8 45%,
    #fff8e6 100%
  );
}

.hero-phones {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 32px;
}

.hero-phones .phone-shot {
  width: 42%;
  max-width: 200px;
  border-radius: 24px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.hero-phones .phone-shot:first-child {
  transform: translateY(8px);
}

.hero-title {
  font-size: 36px;
  font-weight: 700;
  color: #1a1a1a;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.hero-subtitle {
  font-size: 15px;
  color: #666;
  letter-spacing: 1px;
}

/* Feature rows */
.feature {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 32px;
  padding: 56px 24px;
  max-width: 960px;
  margin: 0 auto;
}

.feature--alt {
  background: #f7f8fa;
}

.feature-text {
  flex: 1 1 280px;
  max-width: 400px;
}

.feature-text h2 {
  font-size: 28px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 16px;
}

.feature-text p {
  font-size: 15px;
  color: #666;
  line-height: 1.8;
}

.feature-media {
  flex: 1 1 260px;
  display: flex;
  justify-content: center;
  max-width: 320px;
}

.feature-media .phone-shot {
  width: 100%;
  max-width: 280px;
  border-radius: 28px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.1);
}

.feature--reverse {
  flex-direction: row-reverse;
}

/* Footer */
.site-footer {
  background: #1c2433;
  color: rgba(255, 255, 255, 0.85);
  padding: 40px 20px 48px;
  text-align: center;
  font-size: 13px;
  line-height: 2;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
}

.site-footer a:hover {
  color: #fff;
}

.footer-company {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
}

.footer-icp {
  margin-top: 16px;
  color: rgba(255, 255, 255, 0.45);
  font-size: 12px;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 48px;
  }

  .hero-subtitle {
    font-size: 18px;
  }

  .hero-phones .phone-shot {
    max-width: 240px;
  }

  .feature {
    padding: 72px 40px;
    gap: 48px;
  }

  .feature-text h2 {
    font-size: 32px;
  }
}