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

body {
  background: #05060e radial-gradient(ellipse at 50% 30%, #101a3a 0%, #05060e 70%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #e8ecf4;
  overflow: hidden;
}

#wrap {
  position: relative;
  width: 960px;
  max-width: 100vw;
  aspect-ratio: 16 / 9;
  box-shadow: 0 0 60px rgba(60, 120, 255, .25), 0 0 0 2px #2a3a6a;
  border-radius: 8px;
  overflow: hidden;
}

canvas {
  width: 100%;
  height: 100%;
  display: block;
  background: #0a0e1e;
}

.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  background: rgba(4, 6, 16, .82);
  backdrop-filter: blur(4px);
  z-index: 10;
  text-align: center;
}
.hidden { display: none; }

.title {
  font-size: 56px;
  letter-spacing: 8px;
  color: #f2f5fa;
  text-shadow: 0 0 24px rgba(90, 160, 255, .8), 0 4px 0 #7a1020;
}
.title span {
  display: block;
  font-size: 30px;
  color: #ff4d5e;
  letter-spacing: 18px;
  text-shadow: 0 0 18px rgba(255, 60, 80, .9);
}
.title.dead { color: #ff4d5e; text-shadow: 0 0 30px rgba(255, 40, 60, .8); }

.subtitle { color: #8fa3d0; letter-spacing: 4px; }

.btn {
  font-size: 22px;
  letter-spacing: 6px;
  padding: 14px 48px;
  color: #fff;
  background: linear-gradient(180deg, #d8283c, #8f1224);
  border: 2px solid #ff8090;
  border-radius: 6px;
  cursor: pointer;
  transition: transform .12s, box-shadow .12s;
  font-family: inherit;
}
.btn:hover { transform: scale(1.06); box-shadow: 0 0 24px rgba(255, 70, 90, .7); }

.best { color: #ffd76a; font-size: 15px; letter-spacing: 2px; min-height: 20px; }

.controls {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 6px 28px;
  font-size: 13px;
  color: #9fb0d8;
  margin-top: 8px;
}
.controls b { color: #ffd76a; }

.uptitle {
  font-size: 30px;
  letter-spacing: 6px;
  color: #ffd76a;
  text-shadow: 0 0 16px rgba(255, 200, 80, .6);
}
.uphint { color: #8fa3d0; font-size: 13px; }

#cards { display: flex; gap: 22px; }

.card {
  width: 200px;
  padding: 22px 16px;
  border-radius: 10px;
  background: linear-gradient(180deg, #141c36, #0b1024);
  border: 2px solid #3a4a7a;
  cursor: pointer;
  transition: transform .15s, box-shadow .15s;
}
.card:hover { transform: translateY(-8px) scale(1.04); }
.card .icon { font-size: 42px; }
.card .name { font-size: 19px; margin: 10px 0 6px; letter-spacing: 2px; }
.card .desc { font-size: 13px; color: #aebadd; line-height: 1.5; }
.card .key { margin-top: 10px; font-size: 12px; color: #66759c; }
.card.r0 { border-color: #5a6a9a; }
.card.r0:hover { box-shadow: 0 0 22px rgba(120, 150, 220, .5); }
.card.r1 { border-color: #3a9ad8; }
.card.r1 .name { color: #6cc6ff; }
.card.r1:hover { box-shadow: 0 0 26px rgba(60, 160, 255, .6); }
.card.r2 { border-color: #b45ae8; }
.card.r2 .name { color: #d99aff; }
.card.r2:hover { box-shadow: 0 0 30px rgba(190, 100, 255, .7); }

.stats { font-size: 18px; line-height: 2; color: #cfd9f2; letter-spacing: 2px; }
.stats b { color: #ffd76a; }
.stats .newbest { color: #6aff9a; font-size: 14px; }