:root {
  --bg: #070b14;
  --card: #10182a;
  --blue: #2563eb;
  --blue-2: #60a5fa;
  --text: #e5edf8;
  --dim: #93a0b8;
  --line: #1e2a44;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.75;
}

.cap { width: min(1140px, calc(100% - 28px)); margin: 0 auto; }

.glass {
  position: sticky;
  top: 0;
  z-index: 8;
  background: rgba(7, 11, 20, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.glass-row {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nm {
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}
.tabs a {
  color: var(--dim);
  text-decoration: none;
  margin-left: 10px;
  padding: 6px 12px;
  border-radius: 999px;
}
.tabs a.current { background: var(--blue); color: #fff; }
.dot {
  display: none;
  background: transparent;
  color: var(--blue-2);
  border: 1px solid var(--blue);
}

.center {
  text-align: center;
  padding: 48px 0 20px;
}
.center h1 { font-size: 32px; margin: 0 0 12px; }
.center p { color: var(--dim); max-width: 760px; margin: 0 auto 12px; }

.pick {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.pick article {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
  box-shadow: 0 0 0 1px rgba(37,99,235,0.08);
}
.pick h3 { margin: 0 0 8px; color: var(--blue-2); }
.tag {
  display: inline-block;
  border: 1px solid var(--blue);
  color: var(--blue-2);
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 12px;
  margin-bottom: 8px;
}

.band { padding: 28px 0; }
.band h2 { font-size: 24px; margin: 0 0 12px; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.two article, .pane {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
}

table.opt {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
}
table.opt th, table.opt td {
  border: 1px solid var(--line);
  padding: 10px;
  text-align: left;
}
table.opt th { color: var(--blue-2); }

.qa2 article { padding: 12px 0; border-bottom: 1px solid var(--line); }
.qa2 h3 { margin: 0 0 6px; font-size: 16px; }
.qa2 p { margin: 0; color: var(--dim); }

.dock {
  position: sticky;
  bottom: 0;
  background: #0b1224;
  border-top: 1px solid var(--line);
  padding: 12px 0;
}
.dock-row { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }
.blue, .ghost2 {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 700;
}
.blue { background: var(--blue); color: #fff; }
.ghost2 { border: 1px solid var(--blue-2); color: var(--blue-2); }

.fin {
  padding: 22px 0 80px;
  color: #9aa6bd;
  font-size: 13px;
}
.fin .safe { color: #fff; }

@media (max-width: 900px) {
  .pick { grid-template-columns: 1fr; }
  .two { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .dot { display: block; }
  .tabs { display: none; }
  .tabs.open { display: flex; flex-direction: column; position: absolute; right: 12px; top: 64px; background: #10182a; padding: 8px; }
  .glass { position: sticky; }
  .center h1 { font-size: 26px; }
}