/* 第2套：功能驱动 — 居中卡片栅格 + 胶囊导航，藏青/青 */
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: #f4f7fb;
  color: #142033;
  line-height: 1.75;
  font-size: 16px;
}
a { color: #127a9c; text-decoration: none; }
a:hover { text-decoration: underline; }
.site-head {
  background: #0b1f3a;
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 8;
  box-shadow: 0 2px 10px rgba(11, 31, 58, 0.25);
}
.site-head .inner {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
}
.mark {
  font-weight: 700;
  font-size: 22px;
  color: #fff;
  letter-spacing: 0.04em;
}
.mark:hover { color: #1bb5c8; text-decoration: none; }
.pills a {
  display: inline-block;
  color: #d5e4f5;
  padding: 6px 16px;
  margin-left: 8px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 14px;
}
.pills a:hover, .pills a.on {
  background: #1bb5c8;
  color: #06202a;
  text-decoration: none;
}
.hero {
  background: linear-gradient(135deg, #0b1f3a 0%, #134e6f 58%, #1bb5c8 140%);
  color: #fff;
  padding: 56px 0 48px;
  text-align: center;
}
.hero .inner { width: min(860px, calc(100% - 32px)); margin: 0 auto; }
.hero h1 { font-size: 32px; line-height: 1.35; margin-bottom: 16px; }
.hero p { color: #d7eef3; margin-bottom: 24px; font-size: 17px; }
.actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.act {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #1bb5c8;
  color: #06202a;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 700;
}
.act:hover { background: #8ee8f2; color: #06202a; text-decoration: none; }
.act.line {
  background: transparent;
  color: #fff;
  border: 1px solid #8ee8f2;
  font-weight: 500;
}
.page { width: min(1080px, calc(100% - 32px)); margin: 0 auto; padding: 36px 0 48px; }
.block { margin-bottom: 36px; }
.block h2 {
  font-size: 24px;
  text-align: center;
  margin-bottom: 8px;
  color: #0b1f3a;
}
.sub { text-align: center; color: #4a6078; margin-bottom: 22px; }
.grid3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.card {
  background: #fff;
  border-radius: 12px;
  padding: 20px 18px;
  box-shadow: 0 8px 24px rgba(11, 31, 58, 0.06);
  border: 1px solid #e3ebf4;
}
.card h3 { font-size: 17px; margin: 10px 0 8px; color: #0b1f3a; }
.card p { color: #3d5166; font-size: 15px; }
.ico {
  width: 36px;
  height: 36px;
  background: #e7f8fb;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.panel {
  background: #fff;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 8px 24px rgba(11, 31, 58, 0.06);
}
.panel h2 { text-align: left; margin-bottom: 12px; }
.panel p { margin-bottom: 12px; color: #33485d; }
.sheet { width: 100%; border-collapse: collapse; font-size: 15px; }
.sheet th, .sheet td { border-bottom: 1px solid #e3ebf4; padding: 10px 8px; text-align: left; }
.sheet th { color: #0b1f3a; background: #eef6f8; }
.qa { background: #fff; border-radius: 12px; padding: 18px 20px; margin-bottom: 12px; border: 1px solid #e3ebf4; }
.qa h3 { font-size: 17px; margin-bottom: 8px; color: #0b1f3a; }
.site-foot {
  background: #0b1f3a;
  color: #c5d4e4;
  padding: 28px 0;
  font-size: 13px;
}
.site-foot .inner { width: min(1080px, calc(100% - 32px)); margin: 0 auto; }
.site-foot a { color: #1bb5c8; margin-right: 14px; }
.site-foot p { margin-top: 8px; }
@media (max-width: 800px) {
  .grid3 { grid-template-columns: 1fr; }
  .site-head .inner { flex-direction: column; padding: 10px 0; }
  .pills a { margin: 6px 4px; }
}