/* ===== Solata 内容页共享样式（SEO 静态页）===== */
:root {
  --bg: #0b0e14;
  --card: #151a24;
  --border: #232b3b;
  --txt: #e6e9f0;
  --dim: #8b94a7;
  --green: #3ddc84;
  --amber: #f5b942;
  --red: #ff5d5d;
  --blue: #4aa3ff;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--txt);
  line-height: 1.8;
  font-size: 15px;
}
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== 顶栏导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 14, 20, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.site-header .inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--txt);
  font-weight: 700;
  font-size: 16px;
}
.brand img { width: 26px; height: 26px; border-radius: 6px; }
.nav { display: flex; gap: 4px; flex-wrap: wrap; margin-left: auto; }
.nav a {
  padding: 7px 13px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--dim);
  font-size: 14px;
}
.nav a:hover { color: var(--txt); border-color: var(--border); background: var(--card); text-decoration: none; }
.nav a.active { color: var(--txt); border-color: var(--blue); background: #1a2436; }

/* ===== 正文容器 ===== */
.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 20px 56px;
}
article h1 {
  font-size: 28px;
  line-height: 1.35;
  margin: 0 0 10px;
}
.lead {
  color: var(--dim);
  font-size: 16px;
  margin: 0 0 28px;
  line-height: 1.75;
}
article h2 {
  font-size: 21px;
  margin: 34px 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
article h3 { font-size: 17px; margin: 24px 0 8px; }
article p { margin: 12px 0; }
article b, article strong { color: var(--green); }
article ul, article ol { padding-left: 22px; margin: 12px 0; }
article li { margin: 6px 0; }
article code {
  background: #0f1420;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 6px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  color: var(--amber);
  word-break: break-all;
}
article blockquote {
  margin: 16px 0;
  padding: 12px 16px;
  border-left: 3px solid var(--amber);
  background: #0f1420;
  border-radius: 0 8px 8px 0;
  color: var(--dim);
}

/* ===== 提示卡片 ===== */
.callout {
  margin: 20px 0;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
}
.callout.warn { border-color: rgba(245, 185, 66, 0.45); }
.callout.info { border-color: rgba(74, 163, 255, 0.45); }
.callout.good { border-color: rgba(61, 220, 132, 0.45); }
.callout .callout-title { font-weight: 700; margin-bottom: 6px; }
.callout.warn .callout-title { color: var(--amber); }
.callout.info .callout-title { color: var(--blue); }
.callout.good .callout-title { color: var(--green); }

/* ===== FAQ ===== */
details.faq {
  margin: 10px 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  background: var(--card);
}
details.faq summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  color: var(--txt);
  list-style: none;
}
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::before { content: "＋"; color: var(--blue); margin-right: 10px; font-weight: 700; }
details.faq[open] summary::before { content: "－"; }
details.faq p { margin: 10px 0 0; color: var(--dim); font-size: 14px; }

/* ===== 步骤 ===== */
.step {
  display: flex;
  gap: 14px;
  margin: 16px 0;
}
.step .step-num {
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--blue);
  color: #04121f;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
}
.step .step-body { flex: 1; }
.step .step-body h3 { margin: 0 0 4px; }

/* ===== CTA ===== */
.cta {
  margin: 32px 0;
  padding: 20px 22px;
  border: 1px solid rgba(74, 163, 255, 0.5);
  background: linear-gradient(135deg, #152238, #101826);
  border-radius: 14px;
  text-align: center;
}
.cta .cta-title { font-size: 18px; font-weight: 700; color: var(--green); margin-bottom: 6px; }
.cta .cta-sub { color: var(--dim); font-size: 14px; margin-bottom: 16px; }
.cta a.btn {
  display: inline-block;
  padding: 12px 28px;
  background: var(--blue);
  color: #04121f;
  border-radius: 8px;
  font-weight: 700;
  font-size: 15px;
}
.cta a.btn:hover { text-decoration: none; filter: brightness(1.1); }

/* ===== 相关阅读（内链）===== */
.related { margin: 28px 0; }
.related .related-title { font-size: 13px; color: var(--dim); margin-bottom: 10px; }
.related a {
  display: block;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
  color: var(--txt);
  margin-bottom: 8px;
  font-size: 14px;
}
.related a:hover { border-color: var(--blue); text-decoration: none; }
.related a .rel-title { color: var(--blue); font-weight: 600; }
.related a .rel-desc { color: var(--dim); font-size: 13px; margin-top: 2px; }

/* ===== 页脚 ===== */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 20px 40px;
  text-align: center;
  margin-top: 20px;
}
.site-footer .links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 14px;
}
.site-footer .links a {
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--txt);
  font-size: 13px;
  background: var(--card);
}
.site-footer .links a:hover { border-color: var(--blue); text-decoration: none; }
.site-footer .copyright { color: var(--dim); font-size: 12px; }

/* ===== 面包屑 ===== */
.breadcrumb { font-size: 13px; color: var(--dim); margin-bottom: 16px; }
.breadcrumb a { color: var(--dim); }
.breadcrumb span { margin: 0 6px; }

@media (max-width: 640px) {
  article h1 { font-size: 23px; }
  .nav { margin-left: 0; width: 100%; }
}