:root {
  --bg: #faf7f2;
  --ink: #2b2622;
  --muted: #7a7068;
  --accent: #b46a4a;
  --card: #ffffff;
  --line: #e8e0d6;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
}

.container { max-width: 860px; margin: 0 auto; padding: 0 24px; }

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(250, 247, 242, 0.9);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 60px;
}

.brand {
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
  text-decoration: none;
}

.brand-zh { color: var(--muted); font-weight: 400; margin-left: 4px; }

nav { display: flex; align-items: center; gap: 18px; }

nav a { color: var(--ink); text-decoration: none; font-size: 14px; }
nav a:hover { color: var(--accent); }

.lang-btn {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 13px;
  cursor: pointer;
}

.lang-btn:hover { border-color: var(--accent); color: var(--accent); }

.hero {
  padding: 88px 0 72px;
  text-align: center;
}

.hero-logo {
  width: 120px;
  height: 120px;
  margin: 0 auto 24px;
  display: block;
}

.hero h1 { font-size: 34px; line-height: 1.35; margin: 0 0 14px; }

.tagline {
  font-size: 18px;
  color: var(--accent);
  font-weight: 600;
  margin: 0 0 18px;
}

.hero p { color: var(--muted); max-width: 560px; margin: 0 auto 28px; }

.hero-links { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  padding: 12px 24px;
  border-radius: 999px;
  font-size: 15px;
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}

.legal { padding: 48px 24px 72px; }

.legal h1 { font-size: 28px; margin: 0 0 6px; }
.legal h2 { font-size: 18px; margin: 32px 0 10px; }
.legal p { color: var(--muted); margin: 0 0 12px; }
.legal a { color: var(--accent); }

.muted { font-size: 13px; }

.site-footer {
  border-top: 1px solid var(--line);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
}

.site-footer a { color: var(--muted); }

html[lang="en"] .zh { display: none; }
html[lang="zh-CN"] .en { display: none; }