:root {
  --navy: #0b1f3a;
  --navy-2: #133258;
  --blue: #1e88e5;
  --sky: #e8eef6;
  --card: #ffffff;
  --gold: #d4a017;
  --text: #1b2430;
  --muted: #5a6b7d;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: "Segoe UI", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  background: var(--sky);
  color: var(--text);
  display: grid;
  grid-template-columns: 248px 1fr;
  min-height: 100vh;
  font-size: 15.5px;
  line-height: 1.7;
}

.side {
  background: linear-gradient(180deg, var(--navy) 0%, #071526 100%);
  color: #d7e4f5;
  padding: 28px 18px 40px;
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
}
.brand {
  color: #fff;
  text-decoration: none;
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 32px;
  letter-spacing: 0.06em;
}
.side nav { display: flex; flex-direction: column; gap: 6px; }
.side nav a {
  color: #b9cbe0;
  text-decoration: none;
  padding: 10px 12px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.side nav a.current {
  background: var(--blue);
  color: #fff;
  font-weight: 700;
}
.side .hint { margin-top: auto; font-size: 12px; color: #7f93ab; }

.main { min-width: 0; }
.mast {
  background: var(--navy-2);
  color: #fff;
  padding: 28px 36px 24px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
}
.mast h1 { font-size: 28px; line-height: 1.35; max-width: 720px; }
.mast .cta {
  background: var(--gold);
  color: #1a1400;
  text-decoration: none;
  font-weight: 800;
  padding: 12px 20px;
  border-radius: 6px;
  white-space: nowrap;
}

.panel { padding: 28px 36px 48px; }
.lead { color: var(--muted); margin: 0 0 22px; max-width: 860px; }

.feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}
.feat {
  background: var(--card);
  border-radius: 10px;
  padding: 20px 18px 18px;
  box-shadow: 0 8px 20px rgba(11, 31, 58, 0.06);
  border: 1px solid #d5deea;
}
.feat .ico { width: 36px; height: 36px; margin-bottom: 10px; }
.feat h2 { font-size: 18px; margin-bottom: 8px; color: var(--navy); }
.feat p { color: #3d4b5c; font-size: 14.5px; }

.block {
  background: var(--card);
  border-radius: 10px;
  padding: 24px 24px 20px;
  margin-bottom: 18px;
  border: 1px solid #d5deea;
}
.block h2 { font-size: 20px; color: var(--navy); margin-bottom: 12px; }
.block p { margin-bottom: 10px; }
.block ul { padding-left: 20px; margin-bottom: 10px; }
.dl-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 14px 0; }
.dl-row a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--navy);
  color: #fff;
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 700;
}
.dl-row a.ghost { background: #fff; color: var(--navy); border: 1px solid var(--navy); }

table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
th, td { border: 1px solid #cfd8e4; padding: 10px 12px; text-align: left; }
th { background: var(--navy); color: #fff; }

.faq-list details { margin: 0; }
.faq-item {
  border-bottom: 1px solid #d5deea;
  padding: 14px 0;
}
.faq-item h3 { font-size: 16px; color: var(--navy-2); margin-bottom: 6px; }

.footer {
  background: #071526;
  color: #c5d2e2;
  padding: 20px 36px 28px;
  font-size: 13px;
  line-height: 1.8;
}
.footer a { color: #9ecbff; }
.safe { color: #f1d27a; }

.burger {
  display: none;
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 30;
  background: var(--blue);
  color: #fff;
  border: 0;
  width: 40px;
  height: 40px;
  border-radius: 8px;
}

@media (max-width: 960px) {
  body { grid-template-columns: 1fr; }
  .side {
    position: fixed;
    left: -260px;
    z-index: 25;
    transition: left 0.2s ease;
  }
  .side.open { left: 0; }
  .burger { display: inline-flex; align-items: center; justify-content: center; }
  .mast, .panel, .footer { padding-left: 20px; padding-right: 20px; }
  .feat-grid { grid-template-columns: 1fr; }
  .mast { flex-direction: column; align-items: flex-start; padding-top: 64px; }
}