:root {
  --bg-0: #0f1226;
  --bg-1: #1b2050;
  --card-bg: rgba(255, 255, 255, 0.06);
  --card-border: rgba(255, 255, 255, 0.12);
  --text: #eef1ff;
  --muted: #a7aed6;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 600px at 20% -10%, var(--bg-1), transparent),
    radial-gradient(1000px 500px at 100% 0%, #3a1b4a, transparent),
    var(--bg-0);
  min-height: 100vh;
  padding: 48px 20px;
}

.wrap {
  max-width: 960px;
  margin: 0 auto;
}

.hero {
  text-align: center;
  margin-bottom: 44px;
}

.hero h1 {
  font-size: clamp(32px, 6vw, 52px);
  margin: 0 0 10px;
  letter-spacing: 2px;
  background: linear-gradient(90deg, #edc22e, #ff6b6b, #7b8cff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 22px;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  overflow: hidden;
  backdrop-filter: blur(6px);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 18px;
  box-shadow: inset 0 0 0 1px transparent;
  pointer-events: none;
  transition: box-shadow 0.18s ease;
}

.card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45), 0 0 0 1px var(--accent) inset;
}

.thumb {
  height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.1), rgba(0, 0, 0, 0.2));
  border-bottom: 1px solid var(--card-border);
}

.thumb span {
  line-height: 1;
}

.thumb-2048 span {
  font-size: 52px;
  color: #edc22e;
  text-shadow: 0 0 24px rgba(237, 194, 46, 0.6);
  letter-spacing: 2px;
}

.thumb-mine span {
  font-size: 60px;
  filter: drop-shadow(0 0 18px rgba(255, 50, 50, 0.55));
}

.info {
  padding: 20px 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.info h2 {
  margin: 0;
  font-size: 22px;
}

.info p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
  flex: 1;
}

.cta {
  margin-top: 10px;
  font-weight: 700;
  font-size: 15px;
  color: var(--accent);
  transition: transform 0.18s ease;
}

.card:hover .cta {
  transform: translateX(4px);
}

.foot {
  margin-top: 48px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}