/* 第4套：深色仪表盘，十二栅格卡片，日期轨新闻，青强调 */
:root {
  --bg: #101318;
  --panel: #1a1f27;
  --line: #2b3340;
  --text: #e7eef4;
  --dim: #93a0b0;
  --cyan: #3ecfcf;
  --orange: #ff8a3d;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 15px;
}

a { color: var(--cyan); text-decoration: none; }
a:hover { color: #7eecec; }

.appbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 22px;
  background: #0c0f14;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-weight: 800;
  letter-spacing: 0.14em;
  font-size: 18px;
}
.brand:hover { color: #fff; }
.tabs { display: flex; gap: 6px; }
.tabs a {
  padding: 7px 12px;
  border: 1px solid var(--line);
  color: var(--dim);
  border-radius: 4px;
  font-size: 14px;
}
.tabs a.current { border-color: var(--cyan); color: var(--cyan); background: #143333; }

.workspace { width: min(1180px, calc(100% - 28px)); margin: 20px auto 48px; }

.dash {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 12px;
}
.span8 { grid-column: span 8; }
.span4 { grid-column: span 4; }
.span6 { grid-column: span 6; }
.span12 { grid-column: span 12; }
.span7 { grid-column: span 7; }
.span5 { grid-column: span 5; }

.mod {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 18px 16px;
}
.mod h1 { font-size: 26px; line-height: 1.35; margin-bottom: 10px; }
.mod h2 { font-size: 18px; color: var(--cyan); margin-bottom: 10px; font-weight: 700; }
.mod p { margin-bottom: 10px; color: #d5deE8; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 14px; }
.chips i {
  font-style: normal;
  border: 1px solid #2f6d6d;
  color: var(--cyan);
  padding: 3px 8px;
  font-size: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  margin: 0 8px 8px 0;
  font-weight: 700;
  border-radius: 2px;
}
.btn-o { background: var(--orange); color: #1a0d04; }
.btn-o:hover { background: #ff9d5c; color: #1a0d04; }
.btn-c { background: transparent; border: 1px solid var(--cyan); color: var(--cyan); }
.btn-c:hover { background: #143333; }

.kv { display: grid; grid-template-columns: 88px 1fr; gap: 6px 10px; font-size: 14px; }
.kv b { color: var(--dim); font-weight: 500; }

.news-rail { display: flex; flex-direction: column; gap: 0; }
.news-rail article {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
}
.news-rail time { color: var(--orange); font-size: 12px; }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.q { border-left: 3px solid var(--cyan); padding: 8px 0 8px 12px; margin-bottom: 12px; }
.q h3 { font-size: 15px; margin-bottom: 4px; }

.stepbar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.stepbar li {
  list-style: none;
  background: #12171e;
  border: 1px solid var(--line);
  padding: 12px;
}
.stepbar li b { color: var(--orange); display: block; margin-bottom: 6px; }

.foot {
  border-top: 1px solid var(--line);
  padding: 20px 22px;
  color: var(--dim);
  font-size: 13px;
  background: #0c0f14;
}
.foot p { margin-bottom: 6px; }
.foot a { color: var(--orange); }
.safe { color: #86e0a8; }

@media (max-width: 920px) {
  .span8, .span4, .span6, .span7, .span5, .span12 { grid-column: span 12; }
  .stepbar, .grid2 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .appbar { flex-direction: column; gap: 10px; }
  .stepbar, .grid2 { grid-template-columns: 1fr; }
  .news-rail article { grid-template-columns: 1fr; }
}