/* ==========================================
   枣庄翼 (yztyun.homes) 官方样式表
   主题：宇宙深空暗黑系 / 黄橙金渐变 / 玻璃拟态 / 3D浮动
   ========================================== */

:root {
  --bg-deep: #060814;
  --bg-card: rgba(18, 22, 48, 0.65);
  --bg-card-hover: rgba(28, 34, 72, 0.85);
  --border-color: rgba(255, 215, 0, 0.18);
  --border-glow: rgba(255, 140, 0, 0.4);
  
  /* 黄橙金渐变定义 */
  --gold-primary: #FFD700;
  --gold-secondary: #FF8C00;
  --gold-accent: #FF4500;
  --gold-gradient: linear-gradient(135deg, #FFD700 0%, #FF8C00 50%, #FF4500 100%);
  --gold-gradient-soft: linear-gradient(135deg, rgba(255, 215, 0, 0.15), rgba(255, 140, 0, 0.08));
  
  --text-main: #F0F4FF;
  --text-muted: #94A3B8;
  --text-dim: #64748B;
  
  --cyan-accent: #00F2FE;
  --blue-accent: #4FACFE;
  --green-status: #10B981;

  --font-family: 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-gold: 0 10px 30px -5px rgba(255, 140, 0, 0.25);
  --shadow-glass: 0 15px 35px rgba(0, 0, 0, 0.5);
}

/* 基础重置 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-deep);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* 宇宙星空背景 Canvas */
#space-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -2;
  pointer-events: none;
}

.nebula-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 140, 0, 0.12) 0%, rgba(79, 172, 254, 0.05) 50%, transparent 70%);
  top: -100px;
  left: -100px;
  z-index: -1;
  pointer-events: none;
  filter: blur(60px);
  animation: pulseGlow 12s infinite alternate ease-in-out;
}

.nebula-glow-2 {
  position: fixed;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 215, 0, 0.08) 0%, rgba(255, 69, 0, 0.06) 50%, transparent 70%);
  bottom: -200px;
  right: -100px;
  z-index: -1;
  pointer-events: none;
  filter: blur(80px);
  animation: pulseGlow 15s infinite alternate-reverse ease-in-out;
}

@keyframes pulseGlow {
  0% { transform: scale(1) translate(0, 0); opacity: 0.7; }
  100% { transform: scale(1.25) translate(40px, 30px); opacity: 1; }
}

/* 通用容器与渐变文本 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.text-gold {
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

.badge-gold {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 50px;
  background: var(--gold-gradient-soft);
  border: 1px solid var(--border-color);
  color: var(--gold-primary);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 16px;
  box-shadow: 0 0 15px rgba(255, 215, 0, 0.1);
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
}

.section-title h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.section-title p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 650px;
  margin: 0 auto;
}

/* 导航栏 Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(6, 8, 20, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 215, 0, 0.1);
  transition: all 0.3s ease;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo img, .logo svg {
  width: 42px;
  height: 42px;
  filter: drop-shadow(0 0 8px rgba(255, 215, 0, 0.5));
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: 0.5px;
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: var(--text-main);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.25s ease;
  position: relative;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold-gradient);
  transition: width 0.3s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* 推荐按钮 & 注册按钮 */
.btn-recommend {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  background: rgba(255, 140, 0, 0.12);
  border: 1px solid rgba(255, 140, 0, 0.35);
  color: #FFB703;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.btn-recommend:hover {
  background: rgba(255, 140, 0, 0.25);
  border-color: var(--gold-primary);
  color: #FFF;
  box-shadow: 0 0 20px rgba(255, 140, 0, 0.3);
  transform: translateY(-2px);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  background: var(--gold-gradient);
  color: #060814;
  text-decoration: none;
  font-weight: 800;
  font-size: 1rem;
  box-shadow: var(--shadow-gold);
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 15px 35px rgba(255, 140, 0, 0.4);
  filter: brightness(1.1);
}

/* Hero 英雄首屏 */
.hero {
  padding-top: 170px;
  padding-bottom: 100px;
  text-align: center;
  position: relative;
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 3.8rem;
  line-height: 1.15;
  font-weight: 900;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 50px;
  flex-wrap: wrap;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.1rem;
  border-radius: 12px;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 36px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.btn-outline:hover {
  background: rgba(255, 215, 0, 0.1);
  border-color: var(--gold-primary);
  color: var(--gold-primary);
  transform: translateY(-3px);
}

/* 特性徽章链表 */
.hero-features {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.feature-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 30px;
  font-size: 0.9rem;
  color: var(--text-muted);
  backdrop-filter: blur(10px);
}

.feature-pill svg {
  width: 16px;
  height: 16px;
  fill: var(--gold-primary);
}

/* 实时流量节点 Panel (指令 实时流量节点) */
.nodes-section {
  padding: 80px 0;
  position: relative;
}

/* 实时流量节点 Panel (全新整齐仪表盘模板) */
.nodes-section {
  padding: 80px 0;
  position: relative;
}

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

@media (max-width: 992px) {
  .nodes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .nodes-grid {
    grid-template-columns: 1fr;
  }
}

.node-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  backdrop-filter: blur(14px);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

.node-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gold-gradient);
  opacity: 0.8;
}

.node-card:hover {
  transform: translateY(-6px);
  border-color: var(--gold-secondary);
  box-shadow: 0 12px 35px rgba(255, 140, 0, 0.2);
}

.node-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.node-flag-title {
  display: flex;
  align-items: center;
  gap: 10px;
  overflow: hidden;
}

.region-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 22px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 900;
  color: #060814;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

.region-badge.hk { background: linear-gradient(135deg, #FF4B2B, #FF416C); color: #FFF; }
.region-badge.jp { background: linear-gradient(135deg, #FFD166, #F78C6B); color: #060814; }
.region-badge.sg { background: linear-gradient(135deg, #06D6A0, #118AB2); color: #FFF; }
.region-badge.us { background: linear-gradient(135deg, #118AB2, #073B4C); color: #FFF; }
.region-badge.tw { background: linear-gradient(135deg, #073B4C, #FFD166); color: #FFF; }

.node-name {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tag-accent {
  font-size: 0.8rem;
  color: var(--gold-primary);
  font-weight: 600;
  margin-left: 4px;
}

.ping-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 4px 10px;
  border-radius: 20px;
  flex-shrink: 0;
}

.node-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--green-status);
  box-shadow: 0 0 8px var(--green-status);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1.1); box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.ping-val {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--green-status);
}

.node-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 18px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 3列整齐数据框 */
.node-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  text-align: center;
}

.metric-item {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.metric-label {
  font-size: 0.72rem;
  color: var(--text-dim);
  white-space: nowrap;
  margin-bottom: 4px;
}

.metric-val {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.node-bar {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  overflow: hidden;
}

.node-bar-fill {
  height: 100%;
  background: var(--gold-gradient);
  border-radius: 2px;
  transition: width 0.5s ease;
}

/* 视图模式 Tab 切换器 */
.pricing-tabs {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 40px;
}

.tab-btn {
  background: rgba(18, 22, 48, 0.8);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 12px 28px;
  border-radius: 30px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.tab-btn:hover {
  border-color: var(--gold-secondary);
  color: var(--gold-primary);
}

.tab-btn.active {
  background: var(--gold-gradient);
  color: #060814;
  border-color: transparent;
  box-shadow: 0 0 20px rgba(255, 140, 0, 0.3);
}

.hidden {
  display: none !important;
}

.pricing-section .container {
  max-width: 1440px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  perspective: 1000px;
}

@media (max-width: 1300px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
}

@media (max-width: 768px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media (max-width: 480px) {
  .pricing-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================
   直排展示 (Linear Horizontal Strip Rows)
   ========================================== */
.pricing-linear-view {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 1100px;
  margin: 0 auto;
}

.linear-row {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px 30px;
  display: grid;
  grid-template-columns: 200px 140px 1fr 140px;
  align-items: center;
  gap: 20px;
  backdrop-filter: blur(14px);
  transition: all 0.3s ease;
}

.linear-row:hover {
  transform: translateX(6px);
  border-color: var(--gold-secondary);
  box-shadow: 0 8px 30px rgba(255, 140, 0, 0.15);
}

.linear-row.popular-row {
  border: 2px solid var(--gold-secondary);
  background: linear-gradient(90deg, rgba(28, 34, 72, 0.9) 0%, rgba(18, 22, 48, 0.95) 100%);
}

.linear-col-name {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.linear-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-main);
}

.linear-tag {
  font-size: 0.75rem;
  color: var(--text-dim);
  font-weight: 600;
}

.popular-tag {
  color: var(--gold-primary);
  font-weight: 700;
}

.hot-tag {
  color: #00F2FE;
  font-weight: 700;
}

.year-tag {
  color: #10B981;
  font-weight: 700;
}

.linear-col-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.price-num {
  font-size: 1.8rem;
  font-weight: 900;
}

.price-unit {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.linear-col-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.linear-col-specs span {
  background: rgba(0, 0, 0, 0.3);
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  white-space: nowrap;
}

.linear-col-specs strong {
  color: var(--gold-primary);
}

.linear-col-action {
  text-align: right;
}

.linear-col-action .btn-outline,
.linear-col-action .btn-primary {
  padding: 10px 20px;
  font-size: 0.9rem;
  width: 100%;
  justify-content: center;
}

@media (max-width: 900px) {
  .linear-row {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .linear-col-specs {
    grid-column: span 2;
  }
  .linear-col-action {
    grid-column: span 2;
  }
}

/* 浮动动画样式 */
.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 18px;
  backdrop-filter: blur(16px);
  position: relative;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-glass);
}

/* 分别赋予不同延时的悬浮起伏效果 */
.pricing-card.float-1 {
  animation: floatCard1 6s ease-in-out infinite alternate;
}
.pricing-card.float-2 {
  animation: floatCard2 7s ease-in-out infinite alternate;
  animation-delay: -2s;
}
.pricing-card.float-3 {
  animation: floatCard3 6.5s ease-in-out infinite alternate;
  animation-delay: -4s;
}
.pricing-card.float-4 {
  animation: floatCard4 8s ease-in-out infinite alternate;
  animation-delay: -1s;
}

@keyframes floatCard1 {
  0% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-16px) rotate(0.5deg); }
  100% { transform: translateY(0px) rotate(0deg); }
}

@keyframes floatCard2 {
  0% { transform: translateY(-6px) rotate(-0.5deg); }
  50% { transform: translateY(-20px) rotate(0deg); }
  100% { transform: translateY(-6px) rotate(-0.5deg); }
}

@keyframes floatCard3 {
  0% { transform: translateY(0px) rotate(0.5deg); }
  50% { transform: translateY(-18px) rotate(-0.5deg); }
  100% { transform: translateY(0px) rotate(0.5deg); }
}

@keyframes floatCard4 {
  0% { transform: translateY(-8px) rotate(0deg); }
  50% { transform: translateY(-22px) rotate(0.5deg); }
  100% { transform: translateY(-8px) rotate(0deg); }
}

.pricing-card:hover {
  animation-play-state: paused;
  transform: translateY(-24px) scale(1.03) !important;
  border-color: var(--gold-secondary);
  box-shadow: 0 20px 45px rgba(255, 140, 0, 0.25);
  z-index: 10;
}

.pricing-card.popular {
  border: 2px solid var(--gold-secondary);
  background: linear-gradient(180deg, rgba(28, 34, 72, 0.9) 0%, rgba(18, 22, 48, 0.95) 100%);
}

.popular-badge {
  position: absolute;
  top: -14px;
  right: 12px;
  background: var(--gold-gradient);
  color: #060814;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  box-shadow: 0 4px 12px rgba(255, 140, 0, 0.4);
  white-space: nowrap;
}

.plan-name {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 8px;
  white-space: nowrap;
}

.plan-price {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 18px;
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.plan-price span {
  font-size: 0.85rem;
  color: var(--text-dim);
  font-weight: 400;
}

.plan-features {
  list-style: none;
  margin-bottom: 24px;
  flex-grow: 1;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 10px;
  font-size: 0.82rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.plan-features li svg {
  width: 18px;
  height: 18px;
  fill: var(--gold-primary);
  flex-shrink: 0;
}

/* SEO 文章中心 Section */
.articles-section {
  padding: 100px 0;
  position: relative;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 28px;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 30px;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.article-card:hover {
  transform: translateY(-8px);
  border-color: var(--gold-secondary);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.article-tag {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--gold-primary);
  margin-bottom: 12px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.article-card h3 {
  font-size: 1.3rem;
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: 14px;
  color: var(--text-main);
}

.article-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.article-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-dim);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 16px;
}

.btn-read-more {
  color: var(--gold-primary);
  text-decoration: none;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.2s ease;
}

.btn-read-more:hover {
  gap: 10px;
  color: var(--gold-secondary);
}

/* 创办人 Section (指令 文章创办人) */
.founder-section {
  padding: 90px 0;
  position: relative;
}

.founder-card {
  background: linear-gradient(135deg, rgba(28, 34, 72, 0.7) 0%, rgba(18, 22, 48, 0.85) 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 50px;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  align-items: center;
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-glass);
}

.founder-avatar-wrapper {
  position: relative;
  text-align: center;
}

.founder-avatar {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 3px solid var(--gold-primary);
  padding: 4px;
  background: var(--bg-deep);
  box-shadow: 0 0 25px rgba(255, 215, 0, 0.3);
  object-fit: cover;
}

.founder-title {
  font-size: 1.8rem;
  font-weight: 900;
  margin-bottom: 6px;
}

.founder-role {
  color: var(--gold-primary);
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 18px;
}

.founder-bio {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.founder-stats {
  display: flex;
  gap: 30px;
}

.stat-box h4 {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--gold-primary);
}

.stat-box p {
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* 用户评价 Section (最下方用户评价) */
.reviews-section {
  padding: 90px 0;
  position: relative;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 28px;
  backdrop-filter: blur(10px);
}

.review-stars {
  color: var(--gold-primary);
  margin-bottom: 12px;
  font-size: 1rem;
}

.review-text {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 20px;
  font-style: italic;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gold-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #060814;
}

.author-info h5 {
  font-size: 0.95rem;
  font-weight: 700;
}

.author-info span {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* FAQ 常见问题 Section (常见问题FAQ) */
.faq-section {
  padding: 90px 0;
  position: relative;
}

.faq-accordion {
  max-width: 850px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  overflow: hidden;
  backdrop-filter: blur(10px);
  transition: border-color 0.3s ease;
}

.faq-item:hover {
  border-color: var(--gold-secondary);
}

.faq-question {
  width: 100%;
  padding: 22px 28px;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.1rem;
  font-weight: 700;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-family: inherit;
}

.faq-toggle-icon {
  font-size: 1.4rem;
  color: var(--gold-primary);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 28px;
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding-bottom: 24px;
}

/* CTA 底部注册冲刺区 */
.cta-banner {
  padding: 80px 0;
  text-align: center;
  background: linear-gradient(180deg, transparent 0%, rgba(255, 140, 0, 0.08) 100%);
  border-top: 1px solid var(--border-color);
}

.cta-banner h2 {
  font-size: 2.6rem;
  font-weight: 900;
  margin-bottom: 16px;
}

.cta-banner p {
  color: var(--text-muted);
  font-size: 1.15rem;
  margin-bottom: 32px;
}

/* ==========================================
   【核心任务 2：页脚 PBN 权重精准输血管道】
   位于 </body> 正上方 <footer> 内
   低调、美观、小字号友情链接区
   保持 dofollow (无 rel="nofollow")
   ========================================== */
footer {
  background: rgba(4, 5, 14, 0.95);
  border-top: 1px solid rgba(255, 215, 0, 0.12);
  padding: 40px 0 30px 0;
  text-align: center;
  position: relative;
  z-index: 10;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.footer-brand {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-main);
}

/* 低调、美观、小字号友情链接区 */
.pbn-links-area {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 10px 24px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 30px;
  font-size: 0.82rem;
  color: var(--text-dim);
}

.pbn-links-area label {
  color: rgba(148, 163, 184, 0.6);
  font-weight: 500;
}

.pbn-links-area a {
  color: rgba(255, 215, 0, 0.75);
  text-decoration: none;
  transition: all 0.25s ease;
  font-weight: 500;
}

.pbn-links-area a:hover {
  color: var(--gold-primary);
  text-shadow: 0 0 8px rgba(255, 215, 0, 0.5);
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* 响应式适配 */
@media (max-width: 992px) {
  .hero h1 { font-size: 2.8rem; }
  .founder-card { grid-template-columns: 1fr; text-align: center; }
  .founder-avatar-wrapper { margin: 0 auto; }
  .founder-stats { justify-content: center; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero h1 { font-size: 2.2rem; }
  .hero p { font-size: 1rem; }
  .section-title h2 { font-size: 2rem; }
  .pricing-grid, .articles-grid, .reviews-grid { grid-template-columns: 1fr; }
}