/* Root site — institutional trading desk: navy, gold, serif headlines */
:root {
  --ink: #0c1624;
  --navy: #132238;
  --panel: #1b3048;
  --gold: #c9a227;
  --gold-soft: #e8c458;
  --paper: #f4efe2;
  --muted: #9aa8b8;
  --line: #2a425c;
  --danger: #c45c4a;
  --ok: #3d8b6e;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: auto; }
body {
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--ink);
  color: #d7deE6;
  line-height: 1.75;
  font-size: 16px;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--gold-soft); text-decoration: none; }
a:hover { color: #fff; }
.wrap { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }

.site-header {
  background: #0a1220;
  border-bottom: 3px solid var(--gold);
  position: sticky;
  top: 0;
  z-index: 20;
}
.brand-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--paper);
  font-family: Georgia, "Times New Roman", serif;
  letter-spacing: 0.04em;
}
.brand small { display: block; color: var(--muted); font-family: "Segoe UI", sans-serif; font-size: 12px; letter-spacing: 0; }
.nav { display: flex; gap: 6px; flex-wrap: wrap; }
.nav a {
  color: #c5d0dc;
  padding: 8px 14px;
  border: 1px solid transparent;
  font-size: 14px;
}
.nav a:hover { border-color: var(--line); color: #fff; }
.nav a.active {
  background: var(--gold);
  color: #1a1404;
  font-weight: 700;
}

.hero {
  background:
    linear-gradient(115deg, rgba(12,22,36,0.92) 40%, rgba(19,34,56,0.78)),
    repeating-linear-gradient(90deg, #1a2d44 0 1px, transparent 1px 48px);
  padding: 72px 0 56px;
  border-bottom: 1px solid var(--line);
}
.hero-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 36px; align-items: center; }
.hero h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(28px, 4vw, 44px);
  color: var(--paper);
  line-height: 1.25;
  margin-bottom: 16px;
}
.hero .lead { color: #c9d3de; margin-bottom: 22px; font-size: 17px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-aside {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 22px;
}
.hero-aside h2 { color: var(--gold); font-size: 16px; margin-bottom: 12px; letter-spacing: 0.08em; text-transform: uppercase; }
.hero-aside li { margin: 8px 0 8px 18px; color: #cfd7e0; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  cursor: pointer;
  font: inherit;
  padding: 12px 20px;
  background: var(--gold);
  color: #1a1404;
  font-weight: 700;
}
.btn:hover { background: var(--gold-soft); }
.btn-ghost {
  background: transparent;
  color: var(--paper);
  border: 1px solid var(--gold);
}
.btn-ghost:hover { background: rgba(201,162,39,0.12); color: #fff; }
.btn:disabled { opacity: 0.7; cursor: wait; }

.risk-banner {
  background: #3a221c;
  color: #f3d6cf;
  border-left: 6px solid var(--danger);
  padding: 16px 20px;
  margin: 28px 0;
}
.risk-banner strong { color: #ffd2c8; }

.section { padding: 56px 0; border-bottom: 1px solid var(--line); }
.section h2 {
  font-family: Georgia, "Times New Roman", serif;
  color: var(--paper);
  font-size: 28px;
  margin-bottom: 14px;
}
.section h3 { color: var(--gold-soft); font-size: 18px; margin: 18px 0 8px; }
.section p { margin-bottom: 12px; color: #c8d2dc; }
.kicker { color: var(--gold); font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 8px; }

.grid-2, .grid-3 { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.card {
  background: var(--navy);
  border: 1px solid var(--line);
  padding: 22px;
}
.card h3 { margin-top: 10px; }
.icon-slot { width: 36px; height: 36px; color: var(--gold); }

.table-wrap { overflow-x: auto; margin: 16px 0; }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; }
th { background: #102033; color: var(--gold-soft); }
td { color: #d0d8e0; }

.dl-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.os-card {
  background: #102033;
  border-top: 3px solid var(--gold);
  padding: 20px;
}
.os-card .pkg-note {
  background: #2d2410;
  color: #f0e2b0;
  padding: 10px 12px;
  margin: 12px 0;
  font-size: 14px;
}
.steps { counter-reset: step; }
.steps li {
  list-style: none;
  margin: 14px 0;
  padding-left: 48px;
  position: relative;
}
.steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 32px;
  height: 32px;
  background: var(--gold);
  color: #1a1404;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.faq details {
  border: 1px solid var(--line);
  background: var(--navy);
  margin-bottom: 10px;
  padding: 12px 16px;
}
.faq summary { cursor: pointer; color: var(--paper); font-weight: 700; }
.faq details p { margin-top: 10px; }

.cta-band {
  background: var(--panel);
  padding: 36px 0;
  text-align: center;
}
.cta-band h2 { color: var(--paper); margin-bottom: 10px; }

.site-footer {
  background: #080e18;
  color: #8b97a6;
  padding: 36px 0 24px;
  font-size: 14px;
}
.site-footer h3 { color: #d7c48a; font-size: 15px; margin: 16px 0 8px; }
.site-footer p { margin-bottom: 8px; }
.copy { margin-top: 18px; border-top: 1px solid #1c2a3c; padding-top: 14px; color: #6e7b8a; }

@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 860px) {
  .hero-grid, .grid-2, .grid-3, .dl-grid { grid-template-columns: 1fr; }
  .brand-row { flex-direction: column; align-items: flex-start; }
}