:root {
  --bg-color: #0d0d12;
  --text-main: #FFFFFF;
  --text-sub: rgba(255, 255, 255, 0.6);
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.15);
  --accent: #FF6B6B;
}

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

body {
  font-family: 'Inter', -apple-system, sans-serif;
  color: var(--text-main);
  background-color: var(--bg-color);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.bg-blur {
  position: fixed;
  inset: -10%;
  background: url('../img/background.jpg') center/cover no-repeat;
  filter: blur(30px) saturate(0.3) brightness(0.35);
  z-index: -1;
}

.mono { font-family: 'JetBrains Mono', monospace; }

/* 顶部导航与胶囊 */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  z-index: 100;
}
.brand { font-weight: 600; font-size: 14px; letter-spacing: 1px; }

.stats-pill {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  font-size: 12px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.2);
}
.stat-item { display: flex; align-items: center; gap: 6px; color: var(--text-sub); }
.stat-item .mono { font-weight: 600; font-size: 13px; color: var(--text-main); }
.divider { width: 1px; height: 12px; background: var(--glass-border); }

.dot {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent);
  animation: breathe 2s infinite ease-in-out;
  margin-left: 2px;
}
@keyframes breathe {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.3; transform: scale(0.8); }
}

/* 页面容器 */
.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 140px 24px 80px;
  display: flex;
  flex-direction: column;
  gap: 64px;
}

.hero { display: flex; align-items: center; gap: 24px; }
.avatar-frame {
  padding: 4px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.avatar-frame img { display: block; width: 88px; height: 88px; border-radius: 50%; object-fit: cover; }
.intro h1 { font-size: 40px; font-weight: 800; letter-spacing: -1.5px; margin-bottom: 6px; }
.desc { color: var(--text-sub); font-size: 13px; letter-spacing: 2px; font-weight: 600; }

.projects { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 12px 32px rgba(0,0,0,0.15), inset 0 1px 0 rgba(255,255,255,0.1);
  transition: transform 0.3s ease, background 0.3s ease;
}
.glass-card:hover { background: rgba(255, 255, 255, 0.08); transform: translateY(-4px); }
.glass-card h2 { font-size: 20px; font-weight: 600; margin-bottom: 12px; }
.glass-card p { color: var(--text-sub); font-size: 15px; line-height: 1.6; }
.glass-card .meta { margin-top: 24px; font-family: 'JetBrains Mono', monospace; font-size: 11px; color: rgba(255, 255, 255, 0.4); letter-spacing: 1px; }

@media (max-width: 768px) {
  .topbar { padding: 0 16px; }
  .brand { display: none; }
  .stats-pill { margin: 0 auto; }
  .container { padding-top: 100px; gap: 40px; }
  .projects { grid-template-columns: 1fr; }
  .hero { flex-direction: column; align-items: flex-start; gap: 16px; }
  .intro h1 { font-size: 32px; }
}