/* 云帆作品�? - 简约样�? */

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

:root {
  --text: #2d3748;
  --muted: #718096;
  --primary: #f48120; /* Cloudflare �? */
  --bg: #ffffff;
  --bg-soft: #f7fafc;
  --border: #e2e8f0;
}

body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  line-height: 1.7;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Ѥ����̬��������ɫ��߻���Ư�� + ɫ��΢�� */
body::before {
  content: "";
  position: fixed;
  inset: -20%;
  z-index: -2;
  background:
    radial-gradient(circle at 15% 25%, rgba(244, 129, 32, 0.30), transparent 38%),
    radial-gradient(circle at 85% 15%, rgba(139, 92, 246, 0.26), transparent 42%),
    radial-gradient(circle at 70% 85%, rgba(56, 189, 248, 0.24), transparent 42%),
    radial-gradient(circle at 25% 80%, rgba(244, 114, 182, 0.22), transparent 40%),
    linear-gradient(135deg, #fffaf3 0%, #f6f4ff 45%, #eef8ff 100%);
  animation: bgDrift 18s ease-in-out infinite alternate, bgHue 22s ease-in-out infinite;
}

/* ������������֤���ֿɶ� */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background: radial-gradient(ellipse at center, transparent 55%, rgba(255, 255, 255, 0.35));
  pointer-events: none;
}

@keyframes bgDrift {
  0%   { transform: translate(-2%, -1%) scale(1); }
  50%  { transform: translate(2%, 1.5%) scale(1.06); }
  100% { transform: translate(-1%, 2%) scale(1.03); }
}

@keyframes bgHue {
  0%, 100% { filter: hue-rotate(0deg); }
  50%      { filter: hue-rotate(-25deg); }
}

main { flex: 1; }

.container { max-width: 960px; margin: 0 auto; padding: 0 20px; }

/* 导航 */
/* 导航：毛玻璃半透，透出背景光斑 */
.site-header {
  border-bottom: 1px solid rgba(226, 232, 240, 0.7);
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.logo { font-weight: 700; font-size: 18px; color: var(--text); text-decoration: none; }
.logo::before { content: "�? "; }

.nav-links { list-style: none; display: flex; gap: 24px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 15px; }
.nav-links a:hover { color: var(--primary); }
.nav-links a.active { color: var(--primary); font-weight: 600; }

/* 英雄�? */
.hero {
  display: flex;
  align-items: center;
  gap: 40px;
  padding: 64px 20px;
}

.hero-text { flex: 1; }

/* 渐变标题 */
.hero h1 {
  font-size: 34px;
  line-height: 1.4;
  margin-bottom: 16px;
  background: linear-gradient(92deg, #f48120, #d946ef 55%, #0ea5e9);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p { color: var(--muted); margin-bottom: 24px; }

.hero-img {
  flex: 0 0 360px;
  width: 360px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 16px 40px rgba(45, 55, 72, 0.12);
}

.btn {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  text-decoration: none;
  padding: 10px 24px;
  border-radius: 8px;
  font-size: 15px;
}
.btn:hover { opacity: 0.9; }

/* 区块 */
.section { padding: 40px 20px; }
.section-title { font-size: 26px; margin-bottom: 24px; }

.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* ��Ƭ��ë�����ʸ� */
.card {
  background: rgba(255, 255, 255, 0.62);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 8px 24px rgba(45, 55, 72, 0.06);
}
.card h3 { margin-bottom: 10px; font-size: 18px; }
.card p { color: var(--muted); font-size: 14px; margin-bottom: 12px; }
.card ol { padding-left: 20px; color: var(--muted); font-size: 14px; }

/* 文章正文 */
.prose p { margin-bottom: 16px; }
.prose h2 { margin: 28px 0 12px; font-size: 20px; }
.prose ul { padding-left: 22px; margin-bottom: 16px; color: var(--muted); }
.prose code {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 14px;
}

/* 页脚 */
.site-footer {
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 20px;
  color: var(--muted);
  font-size: 14px;
}

/* 手机端适配 */
@media (max-width: 720px) {
  .hero { flex-direction: column; text-align: center; padding: 40px 20px; }
  .hero h1 { font-size: 26px; }
  .hero-img { flex: none; width: 100%; }
  .cards { grid-template-columns: 1fr; }
}