/*!
 * 千智法律文档公共样式 — 适合 Nginx 静态托管 / App WebView
 */
:root {
  --bg: #f7f6f3;
  --paper: #ffffff;
  --ink: #1a1a1a;
  --muted: #5c5c5c;
  --line: #e6e4df;
  --accent: #1f5c4a;
  --link: #1a5f4a;
  --max: 720px;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Noto Sans SC", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, #e8f0ec 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #efeae2 0%, transparent 50%),
    var(--bg);
}

a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--accent);
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 24px 16px 64px;
}

.topbar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.brand {
  font-weight: 650;
  letter-spacing: 0.04em;
  color: var(--accent);
  font-size: 15px;
}

.nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.nav a {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
}

.nav a[aria-current="page"] {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.paper {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px 22px 40px;
  box-shadow: 0 10px 40px rgba(26, 26, 26, 0.04);
}

h1 {
  margin: 0 0 12px;
  font-size: 28px;
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.meta {
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 14px;
}

.meta p {
  margin: 0 0 4px;
}

h2 {
  margin: 32px 0 12px;
  font-size: 19px;
  line-height: 1.4;
  font-weight: 700;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

h2:first-of-type {
  border-top: none;
  padding-top: 0;
}

h3 {
  margin: 20px 0 8px;
  font-size: 16px;
  font-weight: 650;
}

p {
  margin: 0 0 12px;
}

ul,
ol {
  margin: 0 0 14px;
  padding-left: 1.35em;
}

li {
  margin: 0 0 6px;
}

li::marker {
  color: var(--accent);
}

.contact {
  margin-top: 28px;
  padding: 16px;
  border-radius: 12px;
  background: #f3f7f5;
  border: 1px solid #d9e7e1;
}

.contact p {
  margin: 0 0 6px;
}

.contact p:last-child {
  margin-bottom: 0;
}

.preview-video {
  display: block;
  width: 100%;
  max-height: 72vh;
  margin: 8px 0 16px;
  border-radius: 12px;
  background: #111;
}

.footer {
  margin-top: 18px;
  text-align: center;
  color: var(--muted);
  font-size: 12px;
}

@media (min-width: 640px) {
  .wrap {
    padding: 40px 24px 80px;
  }

  .paper {
    padding: 40px 44px 52px;
  }

  h1 {
    font-size: 32px;
  }
}