:root {
  --ink: #162033;
  --navy: #0e2744;
  --navy-2: #18375f;
  --gold: #a68534;
  --gold-2: #c4a35a;
  --paper: #f5f6f8;
  --white: #ffffff;
  --line: #d5dbe3;
  --muted: #5c6b80;
  --soft: #eef2f6;
  --warn: #7a4e12;
  --warn-bg: #fbf6ea;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 17px;
  line-height: 1.75;
}
a { color: var(--navy-2); }
img, svg { display: block; max-width: 100%; }
.topbar {
  background: var(--navy);
  color: #fff;
  border-bottom: 3px solid var(--gold);
}
.topbar-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 14px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.brand svg { width: 28px; height: 28px; }
.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  justify-content: flex-end;
}
.nav a {
  color: #e7edf5;
  text-decoration: none;
  font-size: 14px;
}
.nav a:hover { color: var(--gold-2); }
.hero {
  background: linear-gradient(180deg, #e7eef6 0%, var(--paper) 100%);
  border-bottom: 1px solid var(--line);
}
.hero-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 28px 22px 32px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  align-items: start;
}
.kicker {
  margin: 0 0 8px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
}
h1 {
  margin: 0 0 12px;
  font-size: 34px;
  line-height: 1.3;
  font-weight: 750;
  color: var(--navy);
}
.hero p { margin: 0 0 12px; }
.points {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}
.points li {
  position: relative;
  padding-left: 22px;
  margin: 6px 0;
}
.points li::before {
  content: "";
  width: 8px;
  height: 8px;
  border: 2px solid var(--gold);
  position: absolute;
  left: 0;
  top: 0.55em;
}
.hero-side {
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 4px solid var(--gold);
  padding: 16px 16px 8px;
}
.hero-side h2 {
  margin: 0 0 8px;
  font-size: 16px;
  color: var(--navy);
}
.plat {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
  margin: 0;
}
.plat span { font-size: 14px; color: var(--muted); }
.jumps { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.jumps a { font-size: 14px; }
main { max-width: 1120px; margin: 0 auto; padding: 10px 22px 48px; }
section { padding: 26px 0; border-bottom: 1px solid var(--line); }
h2 {
  margin: 0 0 14px;
  font-size: 26px;
  line-height: 1.35;
  color: var(--navy);
  display: flex;
  gap: 12px;
  align-items: baseline;
}
h2 .idx {
  font-variant-numeric: tabular-nums;
  color: var(--gold);
  font-size: 18px;
  font-weight: 700;
}
h3 { margin: 18px 0 8px; font-size: 18px; color: var(--navy-2); }
p { margin: 0 0 12px; }
.table-wrap { overflow-x: auto; margin: 12px 0 16px; }
table { width: 100%; border-collapse: collapse; background: var(--white); font-size: 15px; }
th, td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
th { background: var(--navy); color: #fff; font-weight: 600; }
tr:nth-child(even) td { background: #f8fafc; }
ol.rich, ul.rich { margin: 8px 0 12px; padding-left: 1.2em; }
ol.rich li, ul.rich li { margin: 8px 0; }
.callout {
  background: var(--warn-bg);
  border-left: 4px solid var(--gold);
  padding: 12px 14px;
  margin: 12px 0;
}
.callout strong { color: var(--warn); }
.defs { margin: 0; }
.defs div { padding: 10px 0; border-top: 1px dashed var(--line); }
.defs dt { font-weight: 700; color: var(--navy); }
.defs dd { margin: 4px 0 0; }
.cta {
  background: var(--navy);
  color: #e8eef6;
  padding: 18px 18px 8px;
  margin: 8px 0 0;
}
.cta p { color: #e8eef6; }
.cta .plat { border-top-color: rgba(255,255,255,0.15); }
.cta .plat span { color: #c9d4e4; }
.btn {
  display: inline-block;
  background: var(--gold);
  color: #1b1404;
  text-decoration: none;
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 700;
  border-radius: 2px;
  white-space: nowrap;
}
.btn-primary { background: #fff; color: var(--navy); }
.hero-side .btn-primary { background: var(--navy); color: #fff; }
.faq h3 { border-top: 1px solid var(--line); padding-top: 14px; }
footer {
  background: var(--navy);
  color: #d5deea;
  padding: 22px;
  font-size: 13px;
  line-height: 1.7;
}
.foot-inner { max-width: 1120px; margin: 0 auto; }
footer a { color: var(--gold-2); }
footer p { margin: 0 0 6px; }
@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; padding-top: 18px; }
  h1 { font-size: 28px; }
  .topbar-inner { flex-direction: column; align-items: flex-start; }
  .plat { align-items: flex-start; flex-direction: column; }
}