:root {
  --navy: #0b1c2c;
  --panel: #10263a;
  --green: #059669;
  --mint: #d1fae5;
  --ink: #e2e8f0;
  --sub: #94a3b8;
  --card: #153047;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--navy);
  color: var(--ink);
  font: 16px/1.7 "Microsoft YaHei", "Segoe UI", sans-serif;
}

a { color: #6ee7b7; text-decoration: none; }
a:hover { text-decoration: underline; }

.dash {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 5vw;
  background: var(--panel);
  border-bottom: 1px solid #1f4a63;
}
.dash .brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-weight: 800;
  letter-spacing: 0.04em;
}
.dash svg { width: 24px; height: 24px; }
.dash nav a {
  color: var(--sub);
  margin-left: 16px;
  font-weight: 600;
}
.dash nav a.go { color: #6ee7b7; }

.pick-hero {
  padding: 36px 5vw 10px;
}
.pick-hero h1 { margin: 0 0 10px; font-size: 34px; color: #fff; }
.pick-hero p { color: var(--sub); max-width: 720px; }

.four {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  padding: 18px 5vw 28px;
}
.plat {
  background: var(--card);
  border: 1px solid #1f4a63;
  padding: 18px 16px 14px;
  min-height: 180px;
}
.plat h2 { margin: 0 0 8px; font-size: 16px; color: #a7f3d0; }
.plat a.btn {
  display: block;
  margin-top: 12px;
  background: var(--green);
  color: #042f2e;
  text-align: center;
  font-weight: 800;
  padding: 10px 8px;
  text-decoration: none;
}
.plat.win { outline: 2px solid #34d399; }

.stack {
  padding: 0 5vw 28px;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
}
.panel {
  background: var(--panel);
  border: 1px solid #1f4a63;
  padding: 20px 22px;
}
.panel h2 { margin-top: 0; font-size: 20px; color: #fff; }
.panel ol { padding-left: 1.2em; }
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  list-style: none;
}
.chips li { background: #064e3b; color: var(--mint); padding: 4px 10px; border-radius: 4px; font-size: 13px; }

.wide { padding: 0 5vw 20px; }
.wide .panel { margin-bottom: 16px; }

.ask { padding: 0 5vw 48px; }
.ask h2 { color: #fff; }
.ask dt { color: #a7f3d0; font-weight: 700; margin: 14px 0 4px; }
.ask dd { margin: 0; color: var(--sub); }

.end {
  background: #061018;
  color: #94a3b8;
  padding: 22px 5vw 32px;
  font-size: 13px;
}
.end a { color: #6ee7b7; margin-right: 12px; }
.end p { margin: 8px 0; }

@media (max-width: 980px) {
  .four, .stack { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .four, .stack { grid-template-columns: 1fr; }
  .pick-hero h1 { font-size: 26px; }
}