/* CatNet (网猫) - Business Minimalist Warm Orange, Yellow & White Design Theme */
:root {
  --primary: #FF7A00;
  --primary-hover: #E06C00;
  --primary-light: #FFF7ED;
  --primary-border: #FFEDD5;
  --secondary: #FBBF24;
  --secondary-light: #FFFBEB;
  --accent: #FFA07A;
  --accent-yellow: #FEF08A;
  --bg-main: #FFFDF9;
  --bg-card: #FFFFFF;
  --bg-subtle: #FFF8EE;
  --text-main: #1E293B;
  --text-muted: #64748B;
  --text-light: #94A3B8;
  --border-color: #FED7AA;
  --shadow-sm: 0 2px 8px rgba(255, 122, 0, 0.05);
  --shadow-md: 0 8px 24px rgba(255, 122, 0, 0.08);
  --shadow-lg: 0 16px 32px rgba(255, 122, 0, 0.12);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  background-color: var(--bg-main);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120' viewBox='0 0 120 120'%3E%3Cg fill='%23FF7A00' fill-opacity='0.06'%3E%3Cpath d='M30 40 c-5 0 -10 5 -10 10 c0 7 7 12 12 12 c5 0 12 -5 12 -12 c0 -5 -5 -10 -10 -10 z' /%3E%3Ccircle cx='21' cy='32' r='3.5' /%3E%3Ccircle cx='28' cy='27' r='3.5' /%3E%3Ccircle cx='36' cy='28' r='3.5' /%3E%3Ccircle cx='41' cy='34' r='3.5' /%3E%3C/g%3E%3Cg fill='%23FBBF24' fill-opacity='0.07' transform='rotate(25 90 90)'%3E%3Cpath d='M90 90 c-5 0 -10 5 -10 10 c0 7 7 12 12 12 c5 0 12 -5 12 -12 c0 -5 -5 -10 -10 -10 z' /%3E%3Ccircle cx='81' cy='82' r='3.5' /%3E%3Ccircle cx='88' cy='77' r='3.5' /%3E%3Ccircle cx='96' cy='78' r='3.5' /%3E%3Ccircle cx='101' cy='84' r='3.5' /%3E%3C/g%3E%3C/svg%3E");
  background-repeat: repeat;
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--primary-hover);
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Dynamic CSS Animations */
@keyframes floatAnimation {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
  100% { transform: translateY(0px); }
}

@keyframes pulseGlow {
  0% { box-shadow: 0 0 0 0 rgba(255, 122, 0, 0.4); }
  70% { box-shadow: 0 0 0 14px rgba(255, 122, 0, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 122, 0, 0); }
}

@keyframes shimmerEffect {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes radarScan {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.animated-float {
  animation: floatAnimation 4s ease-in-out infinite;
}

.pulse-badge {
  animation: pulseGlow 2.5s infinite;
}

/* Header & Nav */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 253, 249, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 14px 0;
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  color: var(--text-main);
}

.brand-logo span.cat-icon {
  background: linear-gradient(135deg, #FF7A00 0%, #FBBF24 100%);
  color: #fff;
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(255, 122, 0, 0.25);
  font-size: 22px;
}

.brand-logo span.brand-text {
  background: linear-gradient(135deg, #EA580C 0%, #D97706 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  color: var(--text-main);
  font-weight: 600;
  font-size: 15px;
}

.nav-links a:hover {
  color: var(--primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.status-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: var(--secondary-light);
  border: 1px solid var(--border-color);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  color: #D97706;
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: #22C55E;
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.2);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

.btn-cta {
  background: linear-gradient(135deg, #FF7A00 0%, #FBBF24 100%);
  color: #FFFFFF !important;
  font-weight: 700;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 14px rgba(255, 122, 0, 0.3);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-cta::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: all 0.5s;
}

.btn-cta:hover::after {
  left: 100%;
}

.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 122, 0, 0.4);
  color: #FFFFFF !important;
}

/* Hero Section - Split Layout (Headline Left, Dynamic Card Right) */
.hero-section {
  padding: 60px 0 40px 0;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #FFF3E0;
  border: 1px solid #FFE0B2;
  color: #E65100;
  font-weight: 700;
  font-size: 13px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
}

.hero-title {
  font-size: 44px;
  font-weight: 900;
  line-height: 1.2;
  color: #1E293B;
  margin-bottom: 20px;
}

.hero-title span.highlight {
  background: linear-gradient(135deg, #EA580C 0%, #D97706 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 17px;
  color: var(--text-muted);
  margin-bottom: 30px;
  line-height: 1.7;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 30px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 16px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
}

.stat-number {
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 600;
}

/* Dynamic Interactive Hero Card (Right Side) */
.hero-card {
  background: #FFFFFF;
  border: 2px solid #FFEDD5;
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.hero-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  border-bottom: 1px solid #FFEDD5;
  padding-bottom: 16px;
}

.hero-card-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero-card-brand h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-main);
}

.live-ping-badge {
  background: #DCFCE7;
  color: #15803D;
  font-size: 12px;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 6px;
}

.dynamic-node-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.dynamic-node-item {
  background: #FFF7ED;
  border: 1px solid #FED7AA;
  border-radius: var(--radius-md);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
}

.dynamic-node-item:hover {
  background: #FFEAD5;
  transform: translateX(4px);
}

.dynamic-node-info {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 700;
}

.dynamic-node-speed {
  font-size: 12px;
  font-weight: 800;
  color: #EA580C;
}

.feature-list-mini {
  list-style: none;
  margin-bottom: 24px;
}

.feature-list-mini li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 12px;
  color: #334155;
}

.feature-list-mini li i {
  color: var(--primary);
  background: var(--primary-light);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-style: normal;
}

/* Bento Grid Format */
.section-title {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 50px auto;
}

.section-title .badge {
  background: #FFF7ED;
  color: #EA580C;
  border: 1px solid #FFEDD5;
  font-size: 13px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  display: inline-block;
  margin-bottom: 12px;
}

.section-title h2 {
  font-size: 34px;
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 12px;
}

.section-title p {
  font-size: 16px;
  color: var(--text-muted);
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}

.bento-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.bento-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.bento-card.span-2 {
  grid-column: span 2;
}

.bento-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, #FFF7ED 0%, #FEF08A 100%);
  border: 1px solid #FED7AA;
  color: var(--primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 20px;
}

.bento-card h3 {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 10px;
  color: var(--text-main);
}

.bento-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.tag-item {
  background: #FFF7ED;
  border: 1px solid #FFEDD5;
  color: #EA580C;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

/* Pricing Table */
.pricing-section {
  padding: 60px 0;
  background: linear-gradient(180deg, rgba(255, 247, 237, 0.5) 0%, rgba(255, 253, 249, 1) 100%);
  border-radius: var(--radius-lg);
  margin-bottom: 60px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.pricing-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
}

.pricing-card.featured {
  border: 2px solid var(--primary);
  box-shadow: var(--shadow-lg);
  transform: scale(1.03);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #FF7A00 0%, #FBBF24 100%);
  color: #FFFFFF;
  font-size: 12px;
  font-weight: 800;
  padding: 4px 16px;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 10px rgba(255, 122, 0, 0.25);
}

.plan-name {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 8px;
}

.plan-price {
  font-size: 38px;
  font-weight: 900;
  color: var(--primary);
  margin-bottom: 16px;
}

.plan-price span {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-muted);
}

.plan-features {
  list-style: none;
  margin-bottom: 30px;
  flex-grow: 1;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: #334155;
  margin-bottom: 12px;
}

.plan-features li .check-icon {
  color: #22C55E;
  font-weight: 800;
}

/* Node Network Section */
.node-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 60px;
}

.node-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
}

.node-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.node-flag {
  font-size: 28px;
}

.node-name {
  font-weight: 700;
  font-size: 16px;
  color: var(--text-main);
}

.node-type {
  font-size: 12px;
  color: var(--text-muted);
}

.node-ping {
  background: #DCFCE7;
  color: #15803D;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

/* Articles Section */
.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}

.article-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.article-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.article-category {
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.article-card h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 10px;
}

.article-card h3 a {
  color: var(--text-main);
}

.article-card h3 a:hover {
  color: var(--primary);
}

.article-excerpt {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
  flex-grow: 1;
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-light);
  border-top: 1px dashed var(--border-color);
  padding-top: 12px;
}

/* Accordion FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto 60px auto;
}

.faq-item {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  text-align: left;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.faq-answer {
  padding: 0 24px 20px 24px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* User Reviews Grid */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 60px;
}

.review-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.review-stars {
  color: #F59E0B;
  font-size: 14px;
  margin-bottom: 10px;
}

.review-text {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 14px;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 10px;
}

.author-avatar {
  width: 36px;
  height: 36px;
  background: #FFE0B2;
  color: #E65100;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 14px;
}

.author-info h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
}

.author-info p {
  font-size: 11px;
  color: var(--text-light);
}

/* Footer & PBN Links */
.footer {
  background: #FFF7ED;
  border-top: 1px solid var(--border-color);
  padding: 60px 0 30px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1.5fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 12px;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: var(--text-muted);
  font-size: 14px;
}

.footer-col ul li a:hover {
  color: var(--primary);
}

.pbn-box {
  background: #FFFFFF;
  border: 1px solid #FED7AA;
  padding: 16px;
  border-radius: var(--radius-md);
}

.pbn-box h5 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
}

.pbn-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pbn-links a {
  font-size: 13px;
  font-weight: 600;
  color: #EA580C;
  text-decoration: underline;
}

.pbn-links a:hover {
  color: #C2410C;
}

.footer-bottom {
  text-align: center;
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  font-size: 13px;
  color: var(--text-muted);
}

/* Article Page Layout */
.article-header {
  padding: 40px 0 20px 0;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.article-content {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 40px;
}

.article-content h1 {
  font-size: 32px;
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 16px;
  line-height: 1.3;
}

.article-content h2 {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-main);
  margin: 32px 0 16px 0;
  padding-bottom: 8px;
  border-bottom: 2px solid #FFEDD5;
}

.article-content h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-main);
  margin: 24px 0 12px 0;
}

.article-content p {
  font-size: 15px;
  color: #334155;
  line-height: 1.8;
  margin-bottom: 20px;
}

.article-content ul, .article-content ol {
  margin: 0 0 20px 24px;
}

.article-content li {
  font-size: 15px;
  color: #334155;
  line-height: 1.8;
  margin-bottom: 8px;
}

.callout-box {
  background: #FFF7ED;
  border-left: 4px solid var(--primary);
  padding: 20px;
  border-radius: var(--radius-sm);
  margin: 24px 0;
  font-size: 14px;
  color: #9A3412;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .bento-card.span-2 {
    grid-column: span 1;
  }
  .pricing-grid, .article-grid, .reviews-grid, .node-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .hero-title {
    font-size: 30px;
  }
  .bento-grid, .pricing-grid, .article-grid, .reviews-grid, .node-grid {
    grid-template-columns: 1fr;
  }
  .pricing-card.featured {
    transform: none;
  }
  .nav-links {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero-stats {
    grid-template-columns: 1fr;
  }
}