/* QuickQ root site — centered editorial, single column */
:root {
  --ink: #142033;
  --muted: #4a5a70;
  --line: #d5deea;
  --paper: #f7f9fc;
  --hero: #e8eef7;
  --brand: #1d4e89;
  --cta: #c2410c;
  --cta-ink: #fff;
  --max: 760px;
}

* { box-sizing: border-box; }
html { scroll-behavior: auto; }
body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.75;
  font-size: 17px;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: #fff;
}
.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 20px 14px;
  text-align: center;
}
.brand {
  display: inline-block;
  font-size: 28px;
  font-weight: 700;
  color: var(--brand);
  text-decoration: none;
  letter-spacing: 0.04em;
}
.nav {
  margin-top: 10px;
  display: flex;
  justify-content: center;
  gap: 28px;
}
.nav a {
  color: var(--muted);
  text-decoration: none;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
}
.nav a.current {
  color: var(--brand);
  border-bottom-color: var(--brand);
  font-weight: 600;
}

.hero {
  background: var(--hero);
  padding: 48px 20px 40px;
  text-align: center;
}
.hero-inner,
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}
.hero h1 {
  margin: 0 0 16px;
  font-size: 30px;
  line-height: 1.35;
  color: var(--brand);
}
.hero p { margin: 0 0 14px; color: var(--ink); }
.hero-actions { margin: 22px 0 8px; }
.lead-list {
  list-style: none;
  padding: 0;
  margin: 18px auto 0;
  max-width: 520px;
  text-align: left;
}
.lead-list li {
  display: flex;
  gap: 10px;
  margin: 8px 0;
  color: var(--muted);
}
.lead-list svg { flex: 0 0 20px; margin-top: 4px; }

.btn {
  display: inline-block;
  background: var(--cta);
  color: var(--cta-ink);
  text-decoration: none;
  padding: 14px 28px;
  border-radius: 4px;
  font-weight: 700;
}
.btn:hover { filter: brightness(1.05); }
.btn-ghost {
  display: inline-block;
  margin-left: 12px;
  color: var(--brand);
  font-weight: 600;
}

main section {
  padding: 36px 0 8px;
  border-bottom: 1px solid var(--line);
}
main section:last-of-type { border-bottom: 0; }
h2 {
  font-size: 22px;
  color: var(--brand);
  margin: 0 0 14px;
  line-height: 1.4;
}
.note {
  background: var(--paper);
  padding: 14px 16px;
  border-left: 3px solid var(--brand);
}
ol.steps { padding-left: 22px; }
ol.steps li { margin: 10px 0; }
.faq-item { margin: 0 0 22px; }
.faq-item h3 {
  font-size: 18px;
  margin: 0 0 8px;
  color: var(--ink);
}
.cta-box {
  margin: 28px 0;
  padding: 22px;
  background: var(--hero);
  text-align: center;
}

.site-footer {
  margin-top: 40px;
  background: #0f1b2d;
  color: #d7dee8;
  padding: 28px 20px 36px;
  font-size: 14px;
  line-height: 1.7;
}
.site-footer .wrap { padding: 0; }
.site-footer p { margin: 0 0 12px; }

@media (max-width: 640px) {
  .hero h1 { font-size: 24px; }
  .nav { gap: 16px; }
  .btn-ghost { display: block; margin: 12px 0 0; }
}