/* 第2套：左侧固定海军栏 + 主区指标条 + 表格新闻 + 定义列表问答 */
:root {
  --navy: #0b1f3a;
  --navy-2: #16345c;
  --gold: #d4a017;
  --paper: #f4f1ea;
  --ink: #122033;
  --line: #d5d0c4;
  --soft: #e8eef6;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: Georgia, "Songti SC", "SimSun", "Microsoft YaHei", serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.8;
  display: grid;
  grid-template-columns: 232px 1fr;
  min-height: 100vh;
}

a { color: #1a4d8c; text-decoration: none; }
a:hover { text-decoration: underline; }

.rail {
  background: var(--navy);
  color: #f3e6c2;
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 28px 18px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.rail .brand {
  color: #fff;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.12em;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: "Microsoft YaHei", sans-serif;
}
.rail .brand:hover { text-decoration: none; color: #fff; }
.rail nav { display: flex; flex-direction: column; gap: 6px; }
.rail nav a {
  color: #d7c59a;
  padding: 10px 12px;
  border-left: 3px solid transparent;
  font-family: "Microsoft YaHei", sans-serif;
}
.rail nav a.current {
  background: var(--navy-2);
  border-left-color: var(--gold);
  color: #fff;
}
.rail nav a:hover { color: #fff; text-decoration: none; }
.rail .side-note {
  margin-top: auto;
  font-size: 12px;
  color: #9aa8bc;
  line-height: 1.6;
}

.main { min-width: 0; }
.inner { width: min(980px, calc(100% - 48px)); margin: 0 auto; padding: 28px 0 40px; }

.banner {
  background: linear-gradient(135deg, var(--navy) 0%, #245086 100%);
  color: #fff;
  padding: 28px;
  margin-bottom: 22px;
}
.banner h1 {
  font-size: 30px;
  font-weight: 700;
  margin-bottom: 12px;
  font-family: "Microsoft YaHei", sans-serif;
}
.banner p { color: #d7e4f5; margin-bottom: 16px; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  font-family: "Microsoft YaHei", sans-serif;
  font-weight: 700;
}
.btn-gold { background: var(--gold); color: #1a1404; }
.btn-gold:hover { background: #e0b423; text-decoration: none; color: #1a1404; }
.btn-line { border: 1px solid #fff; color: #fff; }
.btn-line:hover { background: #fff; color: var(--navy); text-decoration: none; }

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 28px;
}
.metric {
  background: #fff;
  border-bottom: 3px solid var(--gold);
  padding: 14px 12px;
}
.metric b { display: block; font-size: 20px; color: var(--navy); font-family: "Microsoft YaHei", sans-serif; }
.metric span { font-size: 13px; color: #667; }

.block { margin: 32px 0; }
.block h2 {
  font-size: 22px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
  margin-bottom: 12px;
  font-family: "Microsoft YaHei", sans-serif;
}
.block p { margin-bottom: 12px; }

.news-table { width: 100%; border-collapse: collapse; background: #fff; }
.news-table th, .news-table td {
  border-bottom: 1px solid var(--line);
  padding: 12px 10px;
  text-align: left;
  vertical-align: top;
}
.news-table th { background: var(--soft); font-family: "Microsoft YaHei", sans-serif; }
.news-table time { color: #8a7430; white-space: nowrap; }

.two {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 18px;
}
.panel { background: #fff; padding: 16px 18px; border: 1px solid var(--line); }

.compare { width: 100%; border-collapse: collapse; background: #fff; font-size: 15px; }
.compare th, .compare td { border: 1px solid var(--line); padding: 8px 10px; }
.compare th { background: var(--navy); color: #fff; }

.dl-faq dt {
  font-weight: 700;
  font-family: "Microsoft YaHei", sans-serif;
  margin-top: 14px;
  color: var(--navy);
}
.dl-faq dd { margin: 6px 0 0 18px; color: #334; }

.plat-list { list-style: none; }
.plat-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  padding: 12px 14px;
  margin-bottom: 8px;
}
.steps-num { list-style: decimal inside; }
.steps-num li { margin: 8px 0; background: #fff; padding: 10px 12px; border-left: 4px solid var(--gold); }

.cta {
  background: var(--soft);
  border: 1px solid #c5d2e4;
  padding: 18px;
  text-align: left;
  margin-top: 20px;
}

.foot {
  background: #091526;
  color: #b9c4d4;
  padding: 22px 28px;
  font-size: 13px;
  font-family: "Microsoft YaHei", sans-serif;
}
.foot p { margin-bottom: 6px; }
.foot a { color: var(--gold); }
.ok { color: #9be7b0; }

@media (max-width: 900px) {
  body { display: block; }
  .rail { position: relative; height: auto; }
  .rail nav { flex-direction: row; flex-wrap: wrap; }
  .metrics, .two { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .metrics, .two { grid-template-columns: 1fr; }
  .banner h1 { font-size: 22px; }
}