:root {
  color-scheme: light;
  --bg: #f6efe3;
  --surface: #fffaf1;
  --surface-strong: #ffffff;
  --ink: #2b2117;
  --muted: #776b5d;
  --line: #e1d5c4;
  --accent: #355640;
  --accent-strong: #243d2d;
  --gold: #c47a3f;
  --shadow: 0 20px 48px rgba(63, 50, 31, 0.12);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--ink);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background:
    radial-gradient(circle at 12% 8%, rgba(196, 122, 63, 0.18), transparent 28rem),
    radial-gradient(circle at 86% 12%, rgba(53, 86, 64, 0.16), transparent 30rem),
    var(--bg);
  line-height: 1.65;
}

a {
  color: inherit;
}

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

.seoHeader {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0;
}

.seoBrand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 850;
}

.seoBrand img {
  width: 42px;
  height: 42px;
  border-radius: 14px;
}

.seoNav {
  display: flex;
  gap: 14px;
  color: var(--muted);
  font-size: 14px;
}

.seoNav a {
  text-decoration: none;
}

.seoHero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 34px;
  align-items: center;
  padding: 52px;
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 36px;
  background: rgba(255, 250, 241, 0.78);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.seoEyebrow {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(53, 86, 64, 0.1);
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.seoHero h1 {
  max-width: 820px;
  margin: 18px 0 18px;
  font-size: clamp(38px, 6vw, 72px);
  line-height: 1.04;
  letter-spacing: -0.055em;
}

.seoLead {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  font-size: 19px;
}

.seoHeroCard {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--surface-strong);
}

.seoHeroCard img {
  display: block;
  width: 100%;
  max-width: 260px;
  margin: 0 auto 20px;
}

.seoHeroCard strong {
  display: block;
  font-size: 22px;
}

.seoHeroCard p {
  margin: 8px 0 0;
  color: var(--muted);
}

.seoActions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.seoButton,
.seoButtonSecondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
}

.seoButton {
  background: var(--accent);
  color: #fffaf1;
}

.seoButtonSecondary {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
}

.seoSection {
  margin: 34px 0;
  padding: 38px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: rgba(255, 250, 241, 0.74);
}

.seoSection h2 {
  margin: 0 0 16px;
  font-size: clamp(28px, 3.5vw, 42px);
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.seoSection p {
  color: var(--muted);
}

.seoGrid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.seoCard {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--surface-strong);
}

.seoCard h3 {
  margin: 0 0 8px;
}

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

.seoList {
  padding-left: 20px;
}

.seoCompare {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: 18px;
  background: var(--surface-strong);
}

.seoCompare th,
.seoCompare td {
  padding: 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.seoCompare th {
  color: var(--accent);
  font-size: 14px;
}

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

.seoFaq details {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface-strong);
}

.seoFaq summary {
  cursor: pointer;
  font-weight: 850;
}

.seoFooter {
  padding: 34px 0 44px;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 860px) {
  .seoHeader,
  .seoHero {
    display: block;
  }

  .seoNav {
    margin-top: 16px;
    flex-wrap: wrap;
  }

  .seoHero {
    padding: 30px;
  }

  .seoHeroCard {
    margin-top: 28px;
  }

  .seoGrid {
    grid-template-columns: 1fr;
  }

  .seoSection {
    padding: 26px;
  }
}