/* 郭掌门 · 内容知识库 文章模板样式（与门户首页同一设计语言） */
:root {
  --ink: #0d0f14; --sub: #5c626e; --muted: #8a90a0; --line: #e7e9ef;
  --bg: #ffffff; --bg-soft: #f6f7fb; --card: #ffffff;
  --primary: #3b5bfd; --primary-deep: #2436c9;
  --grad: linear-gradient(96deg, #3b5bfd 0%, #7a3bf2 55%, #b03bf2 100%);
  --radius: 16px;
  --fs-body: 15px; --fs-small: 13.5px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  color: var(--ink); background: var(--bg);
  font-size: var(--fs-body); line-height: 1.85; -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
.wrap { max-width: 860px; margin: 0 auto; padding: 0 24px; }

nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.88); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 17px; }
.logo-dot {
  width: 28px; height: 28px; border-radius: 8px; background: var(--grad);
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-size: 13px; font-weight: 800;
}
.brand small { font-weight: 500; color: var(--muted); font-size: var(--fs-small); }
.nav-home { color: var(--primary); font-weight: 600; font-size: var(--fs-small); }
.nav-home:hover { text-decoration: underline; }

article { padding: 56px 0 40px; }
.crumbs { color: var(--muted); font-size: var(--fs-small); margin-bottom: 20px; }
.crumbs a:hover { color: var(--primary); }
.crumbs span.sep { margin: 0 8px; }
h1 { font-size: 30px; font-weight: 800; line-height: 1.4; letter-spacing: .5px; }
.meta { color: var(--muted); font-size: var(--fs-small); margin: 14px 0 34px; }
h2 { font-size: 22px; font-weight: 800; margin: 40px 0 14px; padding-left: 12px; border-left: 4px solid var(--primary); }
h3 { font-size: 17px; font-weight: 700; margin: 26px 0 10px; }
p { margin-bottom: 14px; color: #2c3038; }
ul.plain { margin: 0 0 14px 22px; color: #2c3038; }
ul.plain li { margin-bottom: 8px; }
strong { color: var(--ink); }
.tip {
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: 12px;
  padding: 16px 20px; margin: 18px 0; color: #3a3f4c;
}
.tip b { color: var(--primary); }
table { width: 100%; border-collapse: collapse; margin: 16px 0 22px; font-size: 14px; }
th, td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; }
th { background: var(--bg-soft); font-weight: 700; }

.faq { margin-top: 44px; }
.faq-item { border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px; margin-bottom: 12px; }
.faq-item h3 { margin: 0 0 8px; font-size: 15.5px; }
.faq-item p { margin: 0; color: #3a3f4c; }

.cta {
  margin: 44px 0 10px; text-align: center;
  background: linear-gradient(135deg, #eef1ff 0%, #f6ecff 100%);
  border: 1px solid #e2e6ff; border-radius: var(--radius); padding: 30px 24px;
}
.cta h2 { border: none; padding: 0; margin-bottom: 8px; }
.cta p { color: var(--sub); margin-bottom: 18px; }
.btn {
  display: inline-flex; align-items: center; border-radius: 999px; padding: 10px 26px;
  font-weight: 600; transition: all .16s ease;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-deep); }
.btn-ghost { border: 1px solid var(--line); color: var(--ink); margin-left: 10px; }
.btn-ghost:hover { border-color: #c9cede; }

footer { background: #0d0f14; color: #9aa0b0; padding: 40px 0; margin-top: 50px; font-size: 14px; }
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
footer a:hover { color: #fff; }

/* ---------- 移动端适配（2026-10-15） ---------- */
@media (max-width: 640px) {
  h1 { font-size: 23px; }
  article { padding: 36px 0 24px; }
  table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .cta .btn { width: 100%; justify-content: center; }
  .cta .btn-ghost { margin-left: 0; margin-top: 10px; }
  .cta { padding: 24px 18px; }
}