:root {
  --blue: #1a56db;
  --blue-d: #1243b0;
  --sky: #eef2f7;
  --card: #ffffff;
  --ink: #1c2430;
  --mute: #5b6675;
  --line: #d5deea;
  --ok: #0f7b4c;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--sky);
  color: var(--ink);
  line-height: 1.7;
}
a { color: var(--blue-d); }
.bar {
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.bar-inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 800;
}
.brand b { color: var(--blue); }
nav { display: flex; gap: 6px; }
nav a {
  text-decoration: none;
  color: var(--ink);
  padding: 7px 12px;
  border-radius: 6px;
  font-size: 0.94rem;
}
nav a[aria-current="page"] { background: var(--blue); color: #fff; }

.hero {
  width: min(1120px, calc(100% - 32px));
  margin: 24px auto 0;
  background: linear-gradient(90deg, var(--blue), #3d7cff);
  color: #fff;
  padding: 32px 36px;
  border-radius: 12px;
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 24px;
}
.hero h1 { font-size: clamp(1.5rem, 2.4vw, 2rem); margin-bottom: 12px; }
.cta {
  display: inline-block;
  margin-top: 12px;
  background: #fff;
  color: var(--blue-d);
  text-decoration: none;
  font-weight: 700;
  padding: 11px 18px;
  border-radius: 8px;
}
.steps-mini {
  background: rgba(255,255,255,0.12);
  border-radius: 10px;
  padding: 16px 18px;
  list-style: none;
}
.steps-mini li { margin-bottom: 8px; }
.steps-mini strong { color: #ffe08a; }

.page {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 56px;
}
.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px 20px 18px;
}
.card.wide { grid-column: 1 / -1; }
.num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  margin-right: 8px;
}
.card h2 {
  font-size: 1.12rem;
  display: flex;
  align-items: center;
  margin-bottom: 10px;
}
.card p { color: var(--mute); margin-bottom: 10px; }
.card p:last-child { margin-bottom: 0; }
ol.plain { margin-left: 20px; color: var(--mute); }
ol.plain li { margin-bottom: 6px; }
.faq { margin-top: 10px; border-top: 1px dashed var(--line); padding-top: 10px; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq p { margin-top: 6px; }
footer {
  background: #13203a;
  color: #c9d4e4;
  padding: 26px 0 34px;
  font-size: 0.9rem;
}
.foot-inner { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.foot-inner a { color: #9dc0ff; margin-right: 12px; }
.foot-inner p { margin-top: 8px; }

@media (max-width: 800px) {
  .hero, .grid { grid-template-columns: 1fr; }
  nav { flex-wrap: wrap; }
}