:root {
  --bg: #fdfaf6;
  --panel: #ffffff;
  --accent: #d97706;
  --accent2: #059669;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #ece3d8;
}

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

body {
  font-family: "Segoe UI", "Microsoft YaHei", -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* Header */
.hero {
  position: sticky; top: 0; z-index: 10;
  background: rgba(253, 250, 246, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.hero .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.logo { font-weight: 700; font-size: 18px; letter-spacing: .5px; color: var(--accent); }
nav a {
  color: var(--muted); text-decoration: none; margin-left: 22px; font-size: 15px;
  transition: color .2s;
}
nav a:hover { color: var(--accent); }

/* Banner */
.banner {
  text-align: center;
  padding: 96px 24px 80px;
  background:
    radial-gradient(1200px 400px at 50% -10%, rgba(217,119,6,.12), transparent),
    linear-gradient(180deg, #fff7ed, #fdfaf6);
}
.banner h1 {
  font-size: 40px; font-weight: 800; letter-spacing: 1px; color: #292524;
}
.cursor { color: var(--accent); font-weight: 400; }
.subtitle { color: var(--muted); margin-top: 14px; font-size: 17px; }
.btn {
  display: inline-block; margin-top: 28px;
  padding: 12px 26px; border-radius: 10px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  color: #fff; font-weight: 700; text-decoration: none;
  box-shadow: 0 8px 24px rgba(217,119,6,.25);
  transition: transform .15s;
}
.btn:hover { transform: translateY(-2px); }

/* Content */
.content { padding: 64px 24px 48px; }
.content section { margin-bottom: 56px; }
.content h2 {
  font-size: 26px; margin-bottom: 18px; color: #292524;
  padding-left: 12px; border-left: 4px solid var(--accent);
}
.content p { color: #4b5563; }

/* Cards */
.grid {
  display: grid; gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 12px; padding: 22px;
  box-shadow: 0 2px 8px rgba(0,0,0,.03);
  transition: transform .15s, box-shadow .2s;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 8px 20px rgba(217,119,6,.12); }
.card h3 { margin-bottom: 8px; color: #292524; }
.tag {
  display: inline-block; margin-top: 12px; font-size: 12px;
  padding: 3px 10px; border-radius: 999px;
  background: rgba(217,119,6,.12); color: var(--accent);
}

.proj { list-style: none; }
.proj li { padding: 8px 0; color: #4b5563; }

/* Footer */
footer {
  border-top: 1px solid var(--border); background: #fff7ed; padding: 28px 0; margin-top: 40px;
}
.footer-inner { text-align: center; color: var(--muted); font-size: 14px; }
.beian a { color: var(--muted); text-decoration: none; }
.beian a:hover { color: var(--accent); }

@media (max-width: 640px) {
  .banner h1 { font-size: 30px; }
  nav a { margin-left: 14px; font-size: 14px; }
}