:root {
  --bg: #121214;
  --panel: #1c1c21;
  --orange: #e8590c;
  --orange-soft: #ff922b;
  --text: #ececf1;
  --dim: #9b9ba8;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: "Consolas", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

a { color: var(--orange-soft); }

.site-header {
  background: #0c0c0e;
  border-bottom: 3px solid var(--orange);
}

.header-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--orange);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 16px;
}

.nav { display: flex; gap: 4px; }

.nav a {
  text-decoration: none;
  color: var(--dim);
  padding: 6px 12px;
  border: 1px solid transparent;
  font-size: 13px;
}

.nav a.current,
.nav a:hover {
  color: var(--orange);
  border-color: var(--orange);
}

.wrap { max-width: 1180px; margin: 0 auto; padding: 28px 20px 64px; }

.hero {
  background: var(--panel);
  padding: 28px 28px 24px;
  margin-bottom: 24px;
  border-left: 6px solid var(--orange);
}

.hero h1 {
  font-size: 28px;
  line-height: 1.35;
  margin-bottom: 14px;
  color: #fff;
}

.hero p { color: #d0d0d8; margin-bottom: 10px; }

.cta-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }

.btn {
  text-decoration: none;
  padding: 10px 16px;
  font-weight: 700;
  font-size: 14px;
}

.btn-orange { background: var(--orange); color: #111; }

.btn-ghost { border: 1px solid #555; color: #ddd; }

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 18px 0 28px;
}

.step {
  background: var(--panel);
  padding: 16px 16px 12px;
  min-height: 160px;
}

.step .num {
  display: inline-block;
  width: 28px;
  height: 28px;
  line-height: 28px;
  text-align: center;
  background: var(--orange);
  color: #111;
  font-weight: 800;
  margin-bottom: 8px;
}

.step h2 { font-size: 16px; color: #fff; margin-bottom: 8px; }

.step p { font-size: 14px; color: var(--dim); }

.block { margin-bottom: 28px; }

.block h2 {
  font-size: 20px;
  color: var(--orange-soft);
  margin-bottom: 10px;
}

.block p { margin-bottom: 10px; color: #d8d8e0; }

.two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.panel {
  background: var(--panel);
  padding: 16px;
}

.dl-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin: 14px 0;
}

.dl-grid a {
  background: #26262d;
  color: #fff;
  text-decoration: none;
  padding: 12px 10px;
  text-align: center;
  font-size: 13px;
  border-top: 2px solid var(--orange);
}

.dl-grid a:hover { background: #303038; }

table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 14px; }

th, td { border-bottom: 1px solid #2c2c34; padding: 8px; text-align: left; }

th { color: var(--orange); }

.faq-item { margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px dashed #2a2a32; }

.faq-item h3 { color: #fff; font-size: 16px; margin-bottom: 6px; }

.site-footer {
  background: #0c0c0e;
  color: #8d8d98;
  padding: 22px 20px 30px;
  font-size: 12px;
  border-top: 1px solid #2a2a30;
}

.footer-inner { max-width: 1180px; margin: 0 auto; }

.footer-nav a { color: var(--orange-soft); margin-right: 12px; }

.safe-line { color: #ffd8a8; margin: 8px 0; }

@media (max-width: 900px) {
  .steps, .dl-grid, .two { grid-template-columns: 1fr; }
  .header-inner { flex-direction: column; gap: 8px; }
}