:root {
  --bg: #0b0f0e;
  --panel: rgba(255, 255, 255, 0.08);
  --border: rgba(255, 255, 255, 0.14);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.65);
  --accent: #00b67a;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  background:
    radial-gradient(900px 520px at 18% -10%, rgba(0, 182, 122, 0.20), rgba(0, 182, 122, 0) 55%),
    radial-gradient(900px 520px at 90% 0%, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0) 55%),
    var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

a { color: inherit; text-decoration: none; }

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 28px 18px 48px;
}

.top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--accent);
  color: #062318;
  display: grid;
  place-items: center;
  font-weight: 900;
}

.h1 {
  font-size: 24px;
  line-height: 1.1;
  margin: 0;
  letter-spacing: -0.4px;
}

.p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.meta {
  color: var(--muted);
  font-size: 12px;
  padding-top: 6px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.tile {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 18px;
  padding: 14px 14px;
  display: grid;
  gap: 10px;
  transition: transform 0.14s ease, border-color 0.14s ease, background 0.14s ease;
  min-height: 120px;
}

.tile--hot,
.tile:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 182, 122, 0.55);
  background: rgba(255, 255, 255, 0.10);
}

.tile__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.badge {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  padding: 6px 10px;
}

.tile__title {
  font-weight: 900;
  letter-spacing: -0.2px;
}

.tile__desc {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.footer {
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 12px;
}

@media (max-width: 980px) {
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  .top { flex-direction: column; }
  .grid { grid-template-columns: 1fr; }
}