:root {
  --jd-dark: #0a1015;
  --jd-primary: #2b3f65;
  --jd-secondary: #4b57fb;
  --jd-info: #f9518d;
  --jd-success: #079e5a;
  --jd-warning: #e1c907;
  --jd-danger: #f01403;
  --jd-light: #e4e0ed;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: #333;
  background: #f8f9fa;
}
.navbar-jd {
  background: var(--jd-dark) !important;
  padding: 0.75rem 0;
}
.navbar-jd .navbar-brand img {
  height: 32px;
}
.navbar-jd .nav-link {
  color: rgba(255,255,255,0.85) !important;
  font-size: 0.9rem;
  padding: 0.5rem 1rem !important;
  transition: color 0.2s;
}
.navbar-jd .nav-link:hover,
.navbar-jd .nav-link.active {
  color: #fff !important;
}
.btn-jd-primary {
  background: linear-gradient(135deg, var(--jd-primary), var(--jd-secondary));
  border: none;
  color: #fff;
  padding: 0.6rem 1.8rem;
  border-radius: 4px;
  font-weight: 500;
  transition: all 0.3s;
}
.btn-jd-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(43,63,101,0.3);
  color: #fff;
}
.btn-jd-buy {
  background: linear-gradient(135deg, var(--jd-success), #05b86b);
  border: none;
  color: #fff;
  padding: 0.5rem 1.5rem;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.3s;
  display: inline-block;
  text-decoration: none;
}
.btn-jd-buy:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(7,158,90,0.35);
  color: #fff;
}
.hero-section {
  background: linear-gradient(135deg, var(--jd-dark) 0%, var(--jd-primary) 50%, var(--jd-secondary) 100%);
  padding: 4rem 0;
  color: #fff;
}
.hero-section h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}
.hero-section p {
  font-size: 1.1rem;
  opacity: 0.9;
  max-width: 600px;
}
.price-tag {
  font-size: 2rem;
  font-weight: 800;
  color: var(--jd-success);
}
.price-tag .period {
  font-size: 1rem;
  font-weight: 400;
  color: #999;
}
.server-card {
  background: #fff;
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: all 0.3s;
  position: relative;
  border: 1px solid #eee;
  height: 100%;
}
.server-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(43,63,101,0.12);
  border-color: var(--jd-primary);
}
.server-card .badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--jd-info);
  color: #fff;
  font-weight: 500;
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
}
.server-card .server-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--jd-primary);
  margin-bottom: 1rem;
  padding-right: 4rem;
}
.server-card .server-specs p {
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
  color: #666;
}
.server-card .server-specs p strong {
  color: #333;
}
.section-title {
  text-align: center;
  margin-bottom: 3rem;
}
.section-title h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--jd-primary);
}
.section-title .lead {
  font-size: 1rem;
  color: #888;
}
.feature-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--jd-primary), var(--jd-secondary));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: #fff;
}
.why-item {
  text-align: center;
  padding: 1.5rem;
}
.why-item h5 {
  font-weight: 600;
  color: var(--jd-primary);
  margin-bottom: 0.5rem;
}
.why-item p {
  font-size: 0.9rem;
  color: #888;
}
.faq-item {
  background: #fff;
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 0.75rem;
  border: 1px solid #eee;
}
.faq-item h5 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--jd-primary);
  margin-bottom: 0.4rem;
}
.faq-item p {
  font-size: 0.9rem;
  color: #666;
  margin-bottom: 0;
}
.footer-jd {
  background: var(--jd-dark);
  color: rgba(255,255,255,0.6);
  padding: 2rem 0;
  font-size: 0.85rem;
}
.footer-jd a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
}
.footer-jd a:hover {
  color: #fff;
}
.compare-table th {
  background: var(--jd-primary);
  color: #fff;
  font-weight: 600;
}
.compare-table td, .compare-table th {
  vertical-align: middle;
  text-align: center;
}
.compare-table .highlight-row {
  background: rgba(7,158,90,0.06);
}
.breadcrumb-jd {
  background: transparent;
  padding: 0.75rem 0;
  margin-bottom: 0;
}
.breadcrumb-jd .breadcrumb-item a {
  color: var(--jd-secondary);
  text-decoration: none;
}
.breadcrumb-jd .breadcrumb-item.active {
  color: #999;
}
.page-header {
  background: #f0f2f5;
  padding: 2rem 0;
  border-bottom: 1px solid #e8e8e8;
}
.page-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--jd-primary);
}
.page-header .subtitle {
  color: #888;
  font-size: 0.95rem;
}
.content-section {
  padding: 3rem 0;
}
.content-section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--jd-primary);
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--jd-light);
}
.content-section h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--jd-primary);
  margin-bottom: 1rem;
}
.content-section p, .content-section li {
  font-size: 0.95rem;
  line-height: 1.8;
  color: #555;
}
.content-section ul {
  padding-left: 1.25rem;
}
.content-section ul li {
  margin-bottom: 0.4rem;
}
.cta-section {
  background: linear-gradient(135deg, var(--jd-primary), var(--jd-secondary));
  padding: 3rem 0;
  color: #fff;
  text-align: center;
}
.cta-section h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.cta-section p {
  opacity: 0.9;
  margin-bottom: 1.5rem;
}
.step-card {
  text-align: center;
  padding: 1.5rem;
}
.step-card .step-number {
  width: 40px;
  height: 40px;
  background: var(--jd-secondary);
  border-radius: 50%;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin: 0 auto 1rem;
}
.step-card h5 {
  font-weight: 600;
  color: var(--jd-primary);
  font-size: 1rem;
}
.step-card p {
  font-size: 0.85rem;
  color: #888;
}
.seo-content {
  background: #fff;
  border-radius: 8px;
  padding: 2rem;
  margin-bottom: 2rem;
  border: 1px solid #eee;
}
@media (max-width: 768px) {
  .hero-section { padding: 2.5rem 0; }
  .hero-section h1 { font-size: 1.75rem; }
  .price-tag { font-size: 1.5rem; }
  .server-card { padding: 1.2rem; }
  .section-title h2 { font-size: 1.5rem; }
}