* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #050f1a;
  --bg2: #081827;
  --line: rgba(61, 255, 194, 0.14);
  --txt: #d7f5e8;
  --dim: #8fb3a6;
  --accent: #3dffc2;
  --gold: #ffc857;
}
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--txt);
  font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
}
.page { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 0; border-bottom: 1px solid var(--line);
  position: sticky; top: 0; background: rgba(5, 15, 26, 0.92);
  backdrop-filter: blur(8px); z-index: 10;
}
.brand { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 700; }
.brand-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); animation: blink 2s infinite; }
@keyframes blink { 50% { opacity: 0.4; } }
.brand-en { font-size: 11px; color: var(--dim); letter-spacing: 2px; font-weight: 400; }
.topbar nav { display: flex; gap: 22px; }
.topbar nav a { color: var(--dim); text-decoration: none; font-size: 15px; }
.topbar nav a:hover { color: var(--accent); }

.hero { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; padding: 48px 0; align-items: center; }
@media (max-width: 820px) { .hero { grid-template-columns: 1fr; } }
.hero-radar { position: relative; }
.radar-wrap { position: relative; aspect-ratio: 1; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: #050f1a; }
.radar-tip {
  position: absolute; z-index: 5; max-width: 240px;
  background: rgba(8, 24, 39, 0.96); border: 1px solid var(--line);
  border-radius: 8px; padding: 10px 12px; font-size: 13px;
  pointer-events: none; display: flex; flex-direction: column; gap: 4px;
}
.radar-tip strong { color: var(--accent); font-size: 14px; }
.radar-tip span { color: var(--txt); line-height: 1.5; }
.radar-tip em { color: var(--dim); font-style: normal; font-size: 12px; }
.radar-sel { position: absolute; left: 12px; bottom: 10px; font-size: 12px; color: var(--gold); }
.loading { aspect-ratio: 1; display: flex; align-items: center; justify-content: center; color: var(--dim); border: 1px solid var(--line); border-radius: 12px; }

.hero-side h1 { font-size: 42px; line-height: 1.25; margin-bottom: 16px; }
.lede { color: var(--dim); margin-bottom: 24px; max-width: 420px; }
.ticker {
  display: flex; align-items: center; gap: 12px;
  border: 1px solid var(--line); border-radius: 10px;
  padding: 12px 16px; margin-bottom: 16px; background: var(--bg2);
}
.ticker-label { font-size: 12px; color: var(--dim); letter-spacing: 1px; }
.ticker-word { font-size: 20px; font-weight: 700; color: var(--gold); }
.sel-card {
  border: 1px solid rgba(255, 200, 87, 0.4); border-radius: 10px;
  padding: 14px 16px; margin-bottom: 16px; background: rgba(255, 200, 87, 0.05);
}
.sel-card strong { color: var(--gold); }
.sel-card p { margin: 8px 0; font-size: 14px; }
.sel-card span { font-size: 12px; color: var(--dim); }
.sel-card button { margin-top: 10px; background: none; border: 1px solid var(--line); color: var(--dim); border-radius: 6px; padding: 4px 12px; cursor: pointer; font-size: 12px; }
.meta { display: flex; gap: 18px; font-size: 13px; color: var(--dim); }

.section { padding: 36px 0; border-top: 1px solid var(--line); }
.section h2 { font-size: 24px; margin-bottom: 20px; }
.h2-sub { font-size: 14px; color: var(--dim); font-weight: 400; margin-left: 8px; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.card {
  border: 1px solid var(--line); border-radius: 10px; padding: 16px;
  background: var(--bg2); cursor: pointer; transition: border-color 0.2s, transform 0.2s;
}
.card:hover { border-color: rgba(61, 255, 194, 0.5); transform: translateY(-2px); }
.card h3 { font-size: 17px; color: var(--accent); margin-bottom: 8px; }
.card p { font-size: 14px; color: var(--txt); margin-bottom: 10px; }
.card footer { font-size: 12px; color: var(--dim); }
.card.small h3 { font-size: 15px; }
.empty { color: var(--dim); }

.week-block { margin-bottom: 12px; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.week-head {
  width: 100%; display: flex; align-items: center; gap: 14px;
  background: var(--bg2); border: none; color: var(--txt);
  padding: 14px 18px; cursor: pointer; font-size: 15px; text-align: left;
}
.week-head .count { margin-left: auto; font-size: 13px; color: var(--dim); }
.week-head .arrow { color: var(--dim); }
.week-block .cards { padding: 14px; }

.about-text { color: var(--dim); max-width: 640px; }
.page-foot {
  display: flex; justify-content: space-between;
  padding: 24px 0 40px; border-top: 1px solid var(--line);
  color: var(--dim); font-size: 13px;
}