:root {
  color-scheme: light;
  --bg: #f7fbf3;
  --ink: #162116;
  --muted: #5d6b60;
  --panel: #ffffff;
  --line: rgba(22, 33, 22, 0.12);
  --green: #3d8f55;
  --pink: #e75192;
  --gold: #f2c94c;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
}

a {
  color: var(--green);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(247, 251, 243, 0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.nav {
  width: min(1120px, calc(100% - 32px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  color: var(--ink);
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 10px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 15px;
  font-weight: 650;
}

.hero {
  min-height: 660px;
  display: grid;
  align-items: center;
  background-image:
    linear-gradient(90deg, rgba(8, 20, 15, 0.82), rgba(8, 20, 15, 0.48) 42%, rgba(8, 20, 15, 0.08)),
    url("assets/hero.png");
  background-size: cover;
  background-position: center;
  color: white;
}

.hero-inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 92px 0 112px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 13px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  font-size: 14px;
  font-weight: 700;
}

h1 {
  max-width: 760px;
  margin: 24px 0 16px;
  font-size: clamp(48px, 8vw, 92px);
  line-height: 1.04;
  letter-spacing: 0;
}

.hero p {
  max-width: 620px;
  margin: 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 22px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 8px;
  background: var(--pink);
  color: white;
  font-weight: 800;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.28);
}

.section {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 72px 0;
}

.section h2 {
  margin: 0 0 18px;
  font-size: clamp(30px, 5vw, 48px);
  line-height: 1.15;
}

.lead {
  max-width: 760px;
  margin: 0;
  color: var(--muted);
  font-size: 19px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 32px;
}

.feature {
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.feature strong {
  display: block;
  margin-bottom: 8px;
  font-size: 19px;
}

.feature p {
  margin: 0;
  color: var(--muted);
}

.screens {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 32px;
}

.screens img,
.wide-shot {
  display: block;
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--line);
}

.content-page {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 56px 0 80px;
}

.content-page h1 {
  color: var(--ink);
  font-size: clamp(36px, 6vw, 64px);
}

.content-page h2 {
  margin-top: 40px;
  font-size: 28px;
}

.content-page p,
.content-page li {
  color: var(--muted);
}

.notice {
  padding: 18px 20px;
  background: #fff8df;
  border: 1px solid rgba(242, 201, 76, 0.55);
  border-radius: 8px;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 32px 0;
  color: var(--muted);
}

.footer-inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

@media (max-width: 760px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
    gap: 10px;
  }

  .nav-links {
    flex-wrap: wrap;
  }

  .hero {
    min-height: 560px;
  }

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

  .feature-grid,
  .screens {
    grid-template-columns: 1fr;
  }
}