/* ==================================================
   扬帆云（YFCloud）- 子页面「深海航行」极简深色未来感样式
   ================================================== */ 

:root {
  --page-max: 860px;
  --bg-deep: #06080F;
  --page-surface: rgba(13, 22, 41, 0.82);
  --page-border: rgba(0, 242, 254, 0.16);
  --primary-cyan: #00F2FE;
  --electric-blue: #38BDF8;
  --page-text: #F8FAFC;
  --page-muted: #94A3B8;
  --page-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 242, 254, 0.1);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background-color: var(--bg-deep);
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(0, 242, 254, 0.1) 0%, transparent 60%),
    linear-gradient(180deg, #06080F 0%, #090E1B 100%);
  background-attachment: fixed;
  color: var(--page-text);
  line-height: 1.75;
}

/* 顶部导航 */
.navbar {
  background: rgba(6, 8, 15, 0.85) !important;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--page-border) !important;
}

.page-wrap {
  max-width: var(--page-max);
  margin: 0 auto;
}

.page-card {
  background: var(--page-surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 20px;
  border: 1px solid var(--page-border);
  box-shadow: var(--page-shadow);
  color: var(--page-text);
}

.page-title {
  font-weight: 700;
  letter-spacing: 0.4px;
  background: linear-gradient(135deg, #FFFFFF 0%, #00F2FE 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-meta {
  color: var(--page-muted);
}

.page-divider {
  height: 1px;
  background: rgba(0, 242, 254, 0.15);
}

.page-card h2, 
.page-card h3, 
.page-card h4 {
  color: #FFFFFF;
}

.page-card p, 
.page-card li {
  color: var(--page-muted);
}

.page-card a {
  color: var(--primary-cyan);
  text-decoration: none;
  transition: all 0.2s ease;
}

.page-card a:hover {
  color: #FFFFFF;
  text-shadow: 0 0 10px var(--primary-cyan);
  text-decoration: underline;
}

.btn-primary {
  background: linear-gradient(135deg, #00F2FE 0%, #0284C7 100%);
  border: none;
  color: #06080F;
  font-weight: 700;
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.35);
  border-radius: 0.6rem;
}

.btn-primary:hover {
  color: #000;
  box-shadow: 0 0 30px rgba(0, 242, 254, 0.6);
  transform: translateY(-2px);
}

.btn-outline-primary {
  background: rgba(13, 22, 41, 0.6);
  border: 1px solid var(--primary-cyan);
  color: var(--primary-cyan);
  border-radius: 0.5rem;
  transition: all 0.2s ease;
}

.btn-outline-primary:hover {
  background: rgba(0, 242, 254, 0.15);
  color: #FFFFFF;
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.3);
}

footer.bg-dark {
  background: #04060A !important;
  border-top: 1px solid var(--page-border);
  color: var(--page-muted) !important;
}