:root {
  --bg: #F9F7F2;
  --text: #2C2C2C;
  --text-soft: #555555;
  --text-mute: #AAAAAA;
  --accent: #C2698F;
  --accent-soft: rgba(194,105,143, 0.08);
  --accent-border: rgba(194,105,143, 0.16);
  --card-bg: rgba(255, 255, 255, 0.62);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
               "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  background: radial-gradient(circle at top, rgba(194,105,143,0.08), transparent 36%), var(--bg);
  color: var(--text);
  line-height: 1.85;
  letter-spacing: 0.015em;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: Georgia, STSong, "Songti SC", "Noto Serif CJK SC", serif;
  letter-spacing: 0.02em;
  line-height: 1.3;
  color: var(--text);
}

a { color: var(--accent); text-decoration: none; transition: color .2s ease, opacity .2s ease; }

/* ===== Navbar ===== */
.navbar {
  position: sticky; top: 0; z-index: 30;
  background: rgba(249, 247, 242, 0.8);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--accent-border);
}
.nav-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.85rem 1.5rem; gap: 1rem; flex-wrap: wrap;
}
.logo img { height: 30px; width: auto; display: block; }
.logo { display: inline-flex; align-items: center; gap: 0.55rem; color: var(--text); font-weight: 600; }
.logo-mark {
  width: 0.7rem; height: 0.7rem; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(194,105,143,0.12);
}
.logo-text {
  font-family: Georgia, "Songti SC", serif;
  font-size: 1.15rem; letter-spacing: 0.06em;
}
.nav-links { display: flex; gap: 1.6rem; }
.nav-links a {
  color: var(--text); font-weight: 500; font-size: 0.95rem;
  position: relative;
}
.nav-links a:hover { opacity: 0.7; }

.lang-switch {
  display: inline-flex; gap: 0.25rem;
  background: rgba(255,255,255,0.52);
  border: 1px solid var(--accent-border);
  border-radius: 9999px; padding: 0.2rem;
}
.lang-switch a {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 2.4rem; height: 1.85rem; padding: 0 0.75rem;
  border-radius: 9999px; font-weight: 600; font-size: 0.85rem; color: var(--text);
}
.lang-switch a.lang-active {
  background: var(--accent); color: #F9F7F2;
  box-shadow: 0 8px 18px rgba(194,105,143,0.18);
}
.lang-switch a:not(.lang-active):hover { background: var(--accent-soft); }

/* ===== Container ===== */
.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
}

/* ===== Hero ===== */
.hero { text-align: center; padding: 4rem 0 3rem; }
.hero h1 {
  font-size: clamp(2.8rem, 7vw, 4.5rem);
  font-weight: 700; margin: 0 0 0.85rem; letter-spacing: 0.06em;
}
.hero .tagline {
  color: var(--text-soft); font-size: 1rem;
  letter-spacing: 0.12em; text-transform: uppercase;
}

/* ===== Prose ===== */
.prose p {
  margin: 1.2rem 0;
  font-size: 1.05rem;
  color: var(--text-soft);
}
.prose strong { color: var(--text); font-weight: 600; }
.prose .section-lead {
  margin-top: 3rem; margin-bottom: 0.25rem;
  color: var(--text); font-weight: 500;
}

/* ===== Law callout ===== */
.law {
  margin: 3rem 0;
  padding: 2.5rem 2rem;
  text-align: center;
  background: rgba(255,255,255,0.65);
  border-left: 3px solid var(--accent);
  border-radius: 0.5rem;
  box-shadow: 0 16px 34px rgba(44, 44, 44, 0.04);
}
.law p {
  font-family: Georgia, STSong, "Songti SC", "Noto Serif CJK SC", serif;
  font-size: clamp(1.15rem, 2.8vw, 1.4rem);
  font-weight: 700; color: var(--text); line-height: 1.55; margin: 0 0 0.85rem;
}
.law cite {
  display: inline-block; color: var(--accent);
  font-style: normal; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase; font-size: 0.78rem;
}

/* ===== Agents grid ===== */
.agents {
  display: grid; gap: 1.5rem;
  grid-template-columns: 1fr;
  margin: 3rem 0 4rem;
}
@media (min-width: 56em) {
  .agents { grid-template-columns: repeat(3, 1fr); }
  .container { max-width: 1040px; }
}
.agent-card {
  display: flex; flex-direction: column;
  padding: 2rem 1.75rem;
  background: var(--card-bg);
  border: 1px solid var(--accent-border);
  border-radius: 1.5rem;
  box-shadow: 0 16px 34px rgba(44, 44, 44, 0.04);
  color: var(--text);
  transition: transform .35s ease, box-shadow .35s ease;
}
.agent-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 30px 60px rgba(44, 44, 44, 0.08);
}
.agent-eyebrow {
  color: var(--accent); font-size: 0.78rem;
  font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
}
.agent-title {
  margin: 0.5rem 0 0.75rem;
  font-size: 1.55rem; font-weight: 700;
}
.agent-desc {
  color: var(--text-soft);
  font-size: 0.95rem; line-height: 1.75;
  margin: 0 0 1.5rem; flex-grow: 1;
}
.agent-cta {
  display: inline-flex; align-items: center; gap: 0.35rem;
  color: var(--accent); font-weight: 600; font-size: 0.9rem; letter-spacing: 0.03em;
}
.agent-card:hover .agent-cta { gap: 0.55rem; }

/* ===== Closing ===== */
.prose .closing {
  margin-top: 2rem;
  font-size: 1.08rem; color: var(--text); letter-spacing: 0.02em;
}

/* ===== Footer ===== */
.footer {
  max-width: 1100px; margin: 0 auto;
  padding: 2.5rem 1.5rem;
  text-align: center;
  color: var(--text-mute); font-size: 0.85rem;
  border-top: 1px solid var(--accent-border);
}

/* Mobile compact */
@media (max-width: 48em) {
  .nav-inner { padding: 0.7rem 1rem; }
  .nav-links { width: 100%; order: 3; justify-content: center; gap: 1.2rem; }
  .container { padding: 2rem 1rem 3.5rem; }
  .hero { padding: 2rem 0 1.5rem; }
  .law { padding: 2rem 1.25rem; }
  .agents { margin: 2rem 0 3rem; }
}