:root {
  --ink: #17233a;
  --body: #26334a;
  --muted: #64748b;
  --line: #e5e9f2;
  --bg: #f6f8fb;
  --card: #fff;
  --pri: #1a6fd4;
  --pri-d: #14539e;
  --ok: #1a9a5b;
  --no: #d64545;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--body);
  font: 15px/1.75 system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

a { color: var(--pri); text-decoration: none; }
a:hover { color: var(--pri-d); }
img { max-width: 100%; }

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 18px; }
.main { min-height: 46vh; padding-bottom: 30px; }

/* 头部 */
.hd { background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; }
.hd-in { display: flex; align-items: center; gap: 18px; height: 62px; }
.logo { display: flex; align-items: center; gap: 9px; color: var(--ink); font-weight: 700; font-size: 16px; }
.logo-mark {
  width: 30px; height: 30px; border-radius: 8px; background: var(--pri); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 17px;
}
.nav { margin-left: auto; display: flex; gap: 4px; }
.nav a { padding: 8px 14px; border-radius: 8px; color: var(--ink); font-size: 15px; }
.nav a:hover { background: #f0f5fd; color: var(--pri); }
.nav a.on { background: #eaf2fd; color: var(--pri); font-weight: 600; }
.nav-toggle {
  display: none; margin-left: auto; padding: 7px 12px; border: 1px solid var(--line);
  background: #fff; border-radius: 8px; color: var(--ink); font-size: 14px; cursor: pointer;
}

/* 首页首屏 */
.hero {
  margin: 26px 0 8px; padding: 46px 42px; border-radius: 16px; color: #fff;
  background: linear-gradient(135deg, #1a6fd4 0%, #1656a8 62%, #123f7d 100%);
}
.hero h1 { margin: 0 0 12px; font-size: 32px; line-height: 1.35; }
.hero-sub { margin: 0 0 24px; max-width: 760px; font-size: 15.5px; line-height: 1.85; color: #dbe8fb; }
.hero-act { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-meta { margin-top: 22px; font-size: 13.5px; color: #b9d0ec; }
.hero-meta b { color: #fff; }

.btn {
  display: inline-block; padding: 10px 24px; border-radius: 999px; border: 1px solid transparent;
  background: #fff; color: var(--pri-d); font-size: 15px; font-weight: 600; cursor: pointer;
}
.btn:hover { color: var(--pri-d); background: #eef5ff; }
.btn.ghost { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .55); color: #fff; }
.btn.ghost:hover { background: rgba(255, 255, 255, .22); color: #fff; }

/* 区块 */
.sec { margin: 34px 0; }
.sec-t {
  margin: 0 0 16px; font-size: 20px; color: var(--ink);
  padding-left: 12px; border-left: 4px solid var(--pri); line-height: 1.3;
}
.sec-n { margin-left: 10px; font-size: 13px; font-weight: 400; color: var(--muted); }

.page-hd { padding: 26px 0 4px; }
.page-hd h1 { margin: 0 0 10px; font-size: 26px; color: var(--ink); }
.page-hd p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.85; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cat { grid-template-columns: repeat(3, 1fr); }

.card {
  display: block; padding: 20px; background: var(--card); border: 1px solid var(--line);
  border-radius: 12px; color: var(--body); transition: box-shadow .18s, border-color .18s, transform .18s;
}
.card:hover { border-color: #bcd6f7; box-shadow: 0 6px 18px rgba(26, 111, 212, .1); transform: translateY(-2px); }
.card h3 { margin: 0 0 8px; font-size: 17px; color: var(--ink); }
.card p { margin: 0 0 10px; color: var(--muted); font-size: 14px; line-height: 1.75; }
.card-more { color: var(--pri); font-size: 13px; }

.cat-card {
  display: flex; align-items: center; justify-content: space-between; padding: 16px 18px;
  background: var(--card); border: 1px solid var(--line); border-radius: 12px; color: var(--ink);
}
.cat-card:hover { border-color: #bcd6f7; color: var(--pri); }
.cat-card b { font-size: 15.5px; }
.cat-card span { color: var(--muted); font-size: 13px; }

.note {
  padding: 14px 16px; background: #eef4ff; border-left: 3px solid var(--pri);
  border-radius: 8px; color: #2a3b57; font-size: 14.5px; line-height: 1.85;
}
.note code, .page-hd code, .ol-note code, .qres code {
  background: #e7eefb; color: #14406f; border-radius: 4px; padding: 1px 5px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .92em;
}

.filter { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0; }
.filter a { padding: 7px 14px; background: #fff; border: 1px solid var(--line); border-radius: 999px; font-size: 14px; }
.filter a.on { background: var(--pri); border-color: var(--pri); color: #fff; }

.doclist { list-style: none; margin: 0; padding: 0; }
.doclist li {
  padding: 16px 18px; margin-bottom: 12px; background: var(--card);
  border: 1px solid var(--line); border-radius: 10px;
}
.doc-t { display: block; font-size: 16px; font-weight: 600; color: var(--ink); }
.doc-t:hover { color: var(--pri); }
.doc-s { margin: 6px 0 0; color: var(--muted); font-size: 14px; }
.doc-m { display: block; margin-top: 7px; color: #90a0b5; font-size: 12.5px; }

/* 文章 */
.article { padding: 28px 32px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; margin-top: 22px; }
.crumb { margin-bottom: 14px; color: var(--muted); font-size: 13px; }
.article h1 { margin: 0 0 12px; font-size: 25px; line-height: 1.4; color: var(--ink); }
.art-meta { padding-bottom: 14px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.art-sum {
  margin: 16px 0 4px; padding: 12px 14px; background: #f7faff; border-left: 3px solid var(--pri);
  border-radius: 6px; color: #33456b; font-size: 14.5px;
}
.art-body { margin-top: 18px; }
.art-body h2 {
  margin: 28px 0 10px; padding-left: 12px; border-left: 4px solid var(--pri);
  font-size: 20px; line-height: 1.4; color: var(--ink);
}
.art-body h3 { margin: 22px 0 8px; font-size: 17px; color: var(--ink); }
.art-body h4 { margin: 18px 0 6px; font-size: 15.5px; color: var(--ink); }
.art-body p { margin: 10px 0; }
.art-body ul, .art-body ol { margin: 10px 0; padding-left: 22px; }
.art-body li { margin: 6px 0; }
.art-body code {
  padding: 1px 5px; background: #eef2f8; color: #14406f; border-radius: 4px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .92em;
}
.art-body pre.code {
  padding: 14px 16px; margin: 14px 0; background: #1e293b; color: #e2e8f0; border-radius: 8px;
  overflow-x: auto; font-size: 13px; line-height: 1.7;
}
.art-body pre.code code { padding: 0; background: none; color: inherit; font-size: 13px; }
.art-body blockquote {
  margin: 14px 0; padding: 10px 14px; background: #f8fafc; border-left: 3px solid #cbd5e1;
  border-radius: 6px; color: var(--muted);
}

.tableWrap { margin: 14px 0; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14.5px; background: #fff; }
th, td { padding: 9px 12px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
th { background: #f3f6fb; color: var(--ink); font-weight: 600; }

/* 授权 */
.qform { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0 6px; }
.qform input {
  flex: 1; min-width: 240px; padding: 12px 14px; background: #fff;
  border: 1px solid #d6dee9; border-radius: 10px; font-size: 15px; color: var(--body);
}
.qform input:focus { outline: none; border-color: var(--pri); box-shadow: 0 0 0 3px rgba(26, 111, 212, .12); }
.qform .btn { background: var(--pri); color: #fff; }
.qform .btn:hover { background: var(--pri-d); color: #fff; }

.qres { margin: 18px 0; padding: 18px 20px; border-radius: 12px; }
.qres-yes { background: #fff; border: 1px solid var(--line); }
.qres-no { background: #fff7f7; border: 1px solid #f3d3d3; color: #b42318; font-size: 14.5px; }
.qres-hd { margin-bottom: 12px; font-size: 16px; font-weight: 600; color: var(--ink); }
.qres-tip { margin: 12px 0 0; color: var(--muted); font-size: 13.5px; }
.kv { width: 100%; border-collapse: collapse; }
.kv th { width: 132px; background: #f7f9fc; color: var(--muted); font-weight: 400; }
.ok { color: var(--ok); font-weight: 600; }
.no { color: var(--no); font-weight: 600; }

.ul-note, .ol-note { margin: 10px 0; padding-left: 22px; color: var(--body); }
.ul-note li, .ol-note li { margin: 8px 0; }
.ul-note { list-style: disc; }
.ol-note { list-style: decimal; }
.copy-line { margin: 16px 0 0; padding-top: 12px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13.5px; }

/* 页脚 */
.ft { margin-top: 46px; background: #fff; border-top: 1px solid var(--line); }
.ft-in { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1fr; gap: 24px; padding: 34px 0 22px; }
.ft-brand p { margin: 10px 0 0; color: var(--muted); font-size: 13.5px; line-height: 1.8; max-width: 420px; }
.ft-col h4 { margin: 0 0 10px; font-size: 14px; color: var(--ink); }
.ft-col a { display: block; padding: 4px 0; color: var(--muted); font-size: 14px; }
.ft-col a:hover { color: var(--pri); }
.ft-bar {
  display: flex; flex-wrap: wrap; gap: 14px; align-items: center;
  padding: 14px 0 26px; margin-top: 4px; border-top: 1px solid var(--line);
  color: #8a99ad; font-size: 13px;
}

@media (max-width: 980px) {
  .grid, .grid-cat { grid-template-columns: repeat(2, 1fr); }
  .ft-in { grid-template-columns: 1fr 1fr; }
  .article { padding: 22px 20px; }
}

@media (max-width: 680px) {
  .hd-in { height: 56px; }
  .nav-toggle { display: block; }
  .nav {
    display: none; position: absolute; left: 0; right: 0; top: 56px;
    flex-direction: column; gap: 0; padding: 6px 18px 12px;
    background: #fff; border-bottom: 1px solid var(--line);
  }
  .nav.open { display: flex; }
  .nav a { padding: 11px 8px; border-radius: 6px; }
  .hero { padding: 28px 20px; border-radius: 12px; }
  .hero h1 { font-size: 23px; }
  .hero-sub { font-size: 14.5px; }
  .grid, .grid-2, .grid-cat { grid-template-columns: 1fr; }
  .ft-in { grid-template-columns: 1fr; gap: 18px; padding: 26px 0 16px; }
  .page-hd h1 { font-size: 22px; }
  .article h1 { font-size: 21px; }
  .art-body h2 { font-size: 18px; }
  .kv th { width: 104px; }
}