html,
body {
  padding: 0;
  margin: 0;
  font-family: 'Orbitron', 'Roboto Mono', 'Fira Mono', 'Consolas', monospace, -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Oxygen, Ubuntu, Cantarell, Fira Sans, Droid Sans, Helvetica Neue, sans-serif;
  background: radial-gradient(ellipse at 10% 10%, #1b0036 0%, transparent 25%), linear-gradient(135deg, #0f1724 0%, #081220 40%, #120022 100%);
  color: #f8f8f2;
  min-height: 100vh;
  letter-spacing: 0.02em;
}

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

/* 霓虹链接 */
a {
  color: #00fff7;
  text-shadow: 0 0 3px rgba(0,255,247,0.9), 0 0 6px rgba(255,0,234,0.35);
  transition: color 0.18s ease, text-shadow 0.18s ease;
}
a:hover {
  color: #ff00ea;
  text-shadow: 0 0 6px rgba(255,0,234,0.9), 0 0 10px rgba(0,255,247,0.25);
}

* {
  box-sizing: border-box;
}

.container {
  padding: 0 2rem;
}
.main {
  /* 保持居中：水平与垂直；移除最外层框和动画 */
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 2rem 0;
  min-height: 100vh; /* 确保垂直居中 */
  background: transparent;
  border-radius: 0;
  box-shadow: none;
  backdrop-filter: none;
  animation: none;
}

.title {
  line-height: 1.15;
  font-size: 2rem;
}

.title {
  font-family: 'Orbitron', sans-serif;
  color: #ff00ea;
  text-shadow: 0 0 4px rgba(255,0,234,0.9), 0 0 8px rgba(0,255,247,0.28);
  letter-spacing: 0.04em;
}

/* 渐变文字（用于主标题） */
.title.gradient {
  background: linear-gradient(90deg, #00fff7 0%, #ff00ea 50%, #ffd400 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: none; /* 去掉发光以显示纯渐变 */
}

.title,
.description {
  text-align: center;
}

.description {
  margin: 4rem 0;
  line-height: 1.5;
  font-size: 1.5rem;
}

.description {
  color: #00fff7;
  text-shadow: 0 0 3px rgba(0,255,247,0.10), 0 0 6px rgba(255,0,234,0.04);
}

.grid {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  max-width: 800px;
}

.grid {
  gap: 1rem;
  max-width: 960px;
}

.card {
  width: 100%;
  margin: 1rem;
  padding: 1.5rem;
  text-align: left;
  color: inherit;
  text-decoration: none;
  border: 1px solid #eaeaea;
  border-radius: 10px;
  transition: color 0.15s ease, border-color 0.15s ease;
  max-width: 300px;
}

/* 赛博朋克卡片 */
.card {
  color: #f8f8f2;
  border: 1px solid rgba(0,255,247,0.12);
  background: linear-gradient(180deg, rgba(20,0,40,0.48), rgba(5,0,20,0.52));
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.55), 0 0 12px rgba(255,0,234,0.03);
  max-width: 340px;
  backdrop-filter: blur(3px);
}

.card.pin {
  background: linear-gradient(180deg, rgba(30,0,60,0.68), rgba(10,0,30,0.72));
  border-color: rgba(255,0,234,0.9);
}

.card:hover,
.card:focus,
.card:active {
  color: #e6ffff;
  border-color: rgba(255,0,234,0.85);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.6), 0 0 18px 4px rgba(255,0,234,0.06);
}

.card h2 {
  margin: 0;
  font-size: 1.5rem;
}

.card h2 {
  color: #00fff7;
  text-shadow: 0 0 3px rgba(0,255,247,0.9), 0 0 6px rgba(255,0,234,0.25);
}

.card p {
  margin: 0;
  font-size: 1.25rem;
  line-height: 1.5;
}

.card p {
  color: #dfeffd;
}

.card .single {
  text-overflow: ellipsis;
  overflow: hidden;
  word-break: break-all;
  white-space: nowrap;
}

.title-icon {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
}

.title-icon .icon {
  width: 32px;
  height: 32px;
  margin-right: 12px;
}

.title-icon .icon {
  filter: drop-shadow(0 0 3px rgba(0,255,247,0.9)) drop-shadow(0 0 6px rgba(255,0,234,0.35));
}

.beian {
  margin-bottom: 20px;
  text-align: center;
}

.beian img {
  width: 14px;
  height: 14px;
  margin: 0 4px;
}

.beian a {
  text-decoration: none;
  font-size: 14px;
}

.beian {
  color: #00fff7;
  text-shadow: 0 0 2px rgba(0,255,247,0.9);
}

.beian a { color: #ff00ea; }

@media (max-width: 600px) {
  .grid {
    width: 100%;
    flex-direction: column;
  }
}

@media (max-width: 600px) {
  .main { padding: 1.25rem; border-radius: 10px; }
  .card { max-width: 100%; margin: 0.5rem 0; }
}

@media (prefers-color-scheme: dark) {
  html {
    color-scheme: dark;
  }

  body {
    color: white;
    background: black;
  }

  .card {
    border-color: #222;
  }

  .pin.card {
    background-color: #222;
  }
}

/* 霓虹呼吸动画 */
@keyframes neonPulse {
  0% { box-shadow: 0 0 4px rgba(0,255,247,0.08), 0 0 8px rgba(255,0,234,0.03); }
  50% { box-shadow: 0 0 12px rgba(255,0,234,0.06), 0 0 24px rgba(0,255,247,0.05); }
  100% { box-shadow: 0 0 4px rgba(0,255,247,0.08), 0 0 8px rgba(255,0,234,0.03); }
}