/* ==========================================================================
   V2PAW.QUEST - Claymorphic Design System (粘土质感设计系统)
   Style inspired by Soft 3D Claymorphism, Pastel Gradients & Warm Micro-interactions
   ========================================================================== */

:root {
  /* Pastel clay palette */
  --bg-gradient: linear-gradient(135deg, #fff7ed 0%, #ffeaf1 28%, #f0f4ff 65%, #e8f9f0 100%);
  --bg-card: #ffffff;
  --bg-clay-soft: #fbfbfe;
  --bg-clay-badge: #ffeef6;
  
  /* Primary Clay Pink & Accent Hues */
  --primary: #ff4d8d;
  --primary-hover: #ff2a75;
  --primary-light: #fff0f6;
  --primary-gradient: linear-gradient(135deg, #ff6fa9 0%, #ff3b83 100%);
  --primary-shadow: 0 10px 22px rgba(255, 77, 141, 0.35);
  
  --secondary: #6366f1;
  --secondary-gradient: linear-gradient(135deg, #818cf8 0%, #4f46e5 100%);
  --secondary-light: #eef2ff;
  
  --accent-amber: #f59e0b;
  --accent-emerald: #10b981;
  --accent-cyan: #06b6d4;
  
  /* Text colors */
  --text-main: #1e293b;
  --text-sub: #475569;
  --text-muted: #64748b;
  --text-dim: #94a3b8;
  --text-pink: #d92662;
  
  /* Clay Shadows & 3D bevels */
  --clay-card-shadow: 
    0 20px 40px -15px rgba(224, 185, 205, 0.4),
    0 2px 6px rgba(0, 0, 0, 0.03),
    inset 2px 2px 5px rgba(255, 255, 255, 0.95),
    inset -3px -3px 6px rgba(200, 190, 215, 0.18);
  
  --clay-card-hover: 
    0 26px 50px -15px rgba(224, 170, 200, 0.55),
    0 8px 20px rgba(0, 0, 0, 0.05),
    inset 2px 2px 5px rgba(255, 255, 255, 1),
    inset -3px -3px 7px rgba(185, 175, 210, 0.25);
    
  --clay-pill-shadow: 
    0 8px 18px rgba(255, 77, 141, 0.32),
    inset 1px 2px 3px rgba(255, 255, 255, 0.8),
    inset -2px -2px 4px rgba(190, 20, 80, 0.25);

  --clay-pill-inset: 
    inset 2px 2px 5px rgba(160, 20, 70, 0.4),
    inset -2px -2px 5px rgba(255, 255, 255, 0.3);

  --clay-border: 2px solid rgba(255, 255, 255, 0.85);
  --clay-radius-lg: 32px;
  --clay-radius-md: 22px;
  --clay-radius-sm: 14px;
  --clay-radius-pill: 9999px;
  
  --max-w: 1200px;
  --transition: all 0.28s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text-main);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Background Animated Blobs */
.bg-ambient-decor {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.clay-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(55px);
  opacity: 0.55;
  animation: floatBlobs 18s ease-in-out infinite alternate;
}

.clay-blob-1 {
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(255, 182, 218, 0.8) 0%, rgba(255, 220, 235, 0) 70%);
  top: -80px;
  left: -80px;
}

.clay-blob-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(199, 210, 254, 0.75) 0%, rgba(224, 231, 255, 0) 70%);
  top: 35%;
  right: -120px;
  animation-delay: -6s;
}

.clay-blob-3 {
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(254, 240, 138, 0.6) 0%, rgba(254, 249, 195, 0) 70%);
  bottom: 8%;
  left: -100px;
  animation-delay: -11s;
}

@keyframes floatBlobs {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, 30px) scale(1.08); }
  100% { transform: translate(-30px, 50px) scale(0.96); }
}

/* Floating Paw Decor (Dynamic Accents) */
.floating-paw {
  position: absolute;
  pointer-events: none;
  opacity: 0.15;
  color: var(--primary);
  animation: pawFloat 6s ease-in-out infinite alternate;
}
.paw-1 { top: 120px; right: 10%; font-size: 38px; transform: rotate(15deg); }
.paw-2 { top: 380px; left: 6%; font-size: 28px; transform: rotate(-20deg); animation-delay: -2s; }
.paw-3 { top: 850px; right: 8%; font-size: 44px; transform: rotate(25deg); animation-delay: -4s; }

@keyframes pawFloat {
  0% { transform: translateY(0) rotate(0deg); opacity: 0.12; }
  100% { transform: translateY(-16px) rotate(12deg); opacity: 0.28; }
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

/* Top Sticky Clay Navigation Bar */
.clay-nav-wrapper {
  position: sticky;
  top: 18px;
  z-index: 100;
  padding: 0 16px;
  margin-bottom: 30px;
}

.clay-navbar {
  max-width: var(--max-w);
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: var(--clay-border);
  border-radius: var(--clay-radius-pill);
  box-shadow: 0 12px 30px -8px rgba(220, 180, 205, 0.35), inset 2px 2px 4px rgba(255, 255, 255, 0.9);
  padding: 12px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--text-main);
  letter-spacing: -0.5px;
}

.brand-icon-clay {
  width: 44px;
  height: 44px;
  border-radius: 16px;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 22px;
  box-shadow: var(--clay-pill-shadow);
  border: 2px solid rgba(255, 255, 255, 0.8);
}

.brand-text span {
  color: var(--primary);
}

.brand-tag {
  font-size: 0.72rem;
  font-weight: 600;
  background: #ffe8f2;
  color: var(--text-pink);
  padding: 2px 8px;
  border-radius: 8px;
  margin-left: 6px;
  vertical-align: middle;
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 26px;
}

.nav-link {
  color: var(--text-sub);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  position: relative;
  padding: 6px 4px;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 3px;
  background: var(--primary);
  border-radius: 4px;
  transition: all 0.25s ease;
  transform: translateX(-50%);
}

.nav-link:hover::after {
  width: 70%;
}

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

/* Clay Button System (Matching Image 1: 柔软粘土质感 Button) */
.btn-clay {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: var(--clay-radius-pill);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid rgba(255, 255, 255, 0.85);
  transition: var(--transition);
  position: relative;
  user-select: none;
}

/* Vivid Pink Clay Button */
.btn-clay-pink {
  background: var(--primary-gradient);
  color: #ffffff;
  box-shadow: 
    0 12px 24px -5px rgba(255, 77, 141, 0.45),
    inset 2px 2px 4px rgba(255, 255, 255, 0.85),
    inset -2px -2px 5px rgba(180, 20, 80, 0.3);
}

.btn-clay-pink:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 
    0 18px 30px -4px rgba(255, 77, 141, 0.55),
    inset 2px 2px 4px rgba(255, 255, 255, 0.95),
    inset -2px -2px 5px rgba(180, 20, 80, 0.35);
  color: #ffffff;
}

.btn-clay-pink:active {
  transform: translateY(1px) scale(0.98);
  box-shadow: var(--clay-pill-inset);
}

/* Dark Clay Button (Like the black buttons in Image 2) */
.btn-clay-dark {
  background: #18181b;
  color: #ffffff;
  box-shadow: 
    0 10px 20px -4px rgba(0, 0, 0, 0.28),
    inset 1px 1px 2px rgba(255, 255, 255, 0.25),
    inset -2px -2px 4px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-clay-dark:hover {
  background: #27272a;
  transform: translateY(-2px);
  box-shadow: 0 14px 25px -4px rgba(0, 0, 0, 0.35);
  color: #ffffff;
}

/* White/Pastel Soft Clay Button */
.btn-clay-white {
  background: #ffffff;
  color: var(--text-main);
  box-shadow: 
    0 8px 18px -4px rgba(200, 180, 210, 0.35),
    inset 2px 2px 4px rgba(255, 255, 255, 1),
    inset -2px -2px 4px rgba(210, 200, 225, 0.3);
}

.btn-clay-white:hover {
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px -4px rgba(220, 180, 210, 0.45);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.88rem;
}

.btn-lg {
  padding: 16px 38px;
  font-size: 1.12rem;
}

/* Mobile Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 26px;
  cursor: pointer;
  color: var(--text-main);
}

/* Hero Section */
.hero-section {
  padding: 40px 0 70px;
  text-align: center;
}

.hero-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #ffffff;
  padding: 8px 22px;
  border-radius: var(--clay-radius-pill);
  border: var(--clay-border);
  box-shadow: 
    0 8px 20px -6px rgba(230, 180, 210, 0.35),
    inset 1px 1px 3px #fff,
    inset -2px -2px 4px rgba(210, 200, 220, 0.2);
  margin-bottom: 24px;
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--text-pink);
  animation: pulseBadge 3s ease-in-out infinite;
}

.hero-pill-badge .sparkle {
  color: #f59e0b;
}

@keyframes pulseBadge {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.03); }
}

.hero-title {
  font-size: clamp(2.3rem, 5vw, 3.6rem);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  color: #1e293b;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, #ff4081 0%, #d81b60 50%, #7c3aed 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-sub);
  max-width: 760px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-features-chips {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  max-width: 900px;
  margin: 0 auto 50px;
}

.chip-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  padding: 8px 18px;
  border-radius: var(--clay-radius-pill);
  border: 1.5px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 4px 12px rgba(220, 190, 215, 0.25);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-sub);
  transition: var(--transition);
}

.chip-item:hover {
  transform: translateY(-2px);
  color: var(--primary);
  background: #ffffff;
}

.chip-item .chip-icon {
  font-size: 1.1rem;
}

/* Clay Hero Dashboard Preview Card (Soft Puffy Container) */
.hero-clay-dashboard {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px);
  border: var(--clay-border);
  border-radius: var(--clay-radius-lg);
  box-shadow: var(--clay-card-shadow);
  padding: 34px;
  max-width: 1040px;
  margin: 0 auto;
  position: relative;
}

.dashboard-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.stat-clay-card {
  background: #ffffff;
  border: var(--clay-border);
  border-radius: var(--clay-radius-md);
  padding: 22px 16px;
  text-align: center;
  box-shadow: 
    0 10px 24px -6px rgba(220, 190, 215, 0.3),
    inset 2px 2px 4px #ffffff,
    inset -2px -2px 4px rgba(210, 200, 230, 0.2);
  transition: var(--transition);
}

.stat-clay-card:hover {
  transform: translateY(-4px);
  box-shadow: 
    0 16px 30px -6px rgba(220, 180, 215, 0.45),
    inset 2px 2px 4px #ffffff;
}

.stat-clay-card .stat-val {
  font-size: 2rem;
  font-weight: 900;
  color: var(--text-pink);
  margin-bottom: 4px;
  letter-spacing: -1px;
}

.stat-clay-card .stat-label {
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* Section Header Styles */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 50px;
}

.section-tag {
  display: inline-block;
  padding: 6px 18px;
  border-radius: var(--clay-radius-pill);
  background: #ffe6f0;
  color: var(--text-pink);
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 12px;
  box-shadow: inset 1px 1px 2px #fff, inset -1px -1px 2px rgba(210, 160, 190, 0.2);
}

.section-title {
  font-size: clamp(1.8rem, 3.2vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  color: var(--text-main);
}

.section-desc {
  color: var(--text-sub);
  font-size: 1.05rem;
}

/* Advantage Cards Grid (Clay Cards) */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  margin-bottom: 80px;
}

.advantage-clay-card {
  background: var(--bg-card);
  border: var(--clay-border);
  border-radius: var(--clay-radius-lg);
  padding: 36px 30px;
  box-shadow: var(--clay-card-shadow);
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}

.advantage-clay-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--clay-card-hover);
}

.card-icon-clay {
  width: 64px;
  height: 64px;
  border-radius: 20px;
  background: #fff0f6;
  border: 2px solid #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  margin-bottom: 22px;
  box-shadow: 
    0 8px 18px rgba(240, 180, 210, 0.35),
    inset 2px 2px 3px #ffffff,
    inset -2px -2px 3px rgba(210, 180, 200, 0.25);
  color: var(--primary);
  transition: var(--transition);
}

.advantage-clay-card:hover .card-icon-clay {
  transform: scale(1.1) rotate(6deg);
}

.card-title {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--text-main);
}

.card-desc {
  color: var(--text-sub);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 18px;
  flex-grow: 1;
}

.card-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.card-tag {
  background: #f1f5f9;
  color: #475569;
  font-size: 0.76rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 8px;
}

/* ==========================================================================
   PRICING SECTION (严格按照图2定制: 猫咪粘土头像、最受喵欢迎徽章、三种套餐)
   ========================================================================== */
.pricing-section {
  padding: 60px 0 90px;
}

.pricing-billing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 46px;
}

.toggle-clay-container {
  display: flex;
  background: rgba(255, 255, 255, 0.9);
  padding: 6px;
  border-radius: var(--clay-radius-pill);
  border: var(--clay-border);
  box-shadow: 
    0 8px 20px rgba(220, 180, 210, 0.25),
    inset 2px 2px 4px rgba(200, 190, 215, 0.25);
}

.toggle-btn {
  padding: 9px 24px;
  border-radius: var(--clay-radius-pill);
  border: none;
  background: transparent;
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--text-sub);
  cursor: pointer;
  transition: var(--transition);
}

.toggle-btn.active {
  background: var(--primary-gradient);
  color: #ffffff;
  box-shadow: var(--clay-pill-shadow);
}

.save-badge {
  background: #fef08a;
  color: #854d0e;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: var(--clay-radius-pill);
  margin-left: 4px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

/* The Clay Pricing Card (matching Image 2) */
.pricing-clay-card {
  background: #ffffff;
  border-radius: 28px;
  border: 2px solid rgba(255, 255, 255, 0.9);
  box-shadow: 
    0 20px 42px -12px rgba(220, 185, 210, 0.35),
    inset 2px 2px 5px #ffffff,
    inset -3px -3px 6px rgba(200, 190, 220, 0.2);
  padding: 40px 32px 34px;
  text-align: center;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.pricing-clay-card:hover {
  transform: translateY(-8px);
  box-shadow: 
    0 28px 56px -12px rgba(220, 170, 205, 0.5),
    inset 2px 2px 5px #ffffff;
}

/* Featured Card: 最受喵欢迎 (Middle card in Image 2 with pink border & badge) */
.pricing-clay-card.featured {
  border: 2px solid #ffccd9;
  box-shadow: 
    0 25px 50px -10px rgba(255, 120, 170, 0.35),
    inset 2px 2px 5px #ffffff,
    inset -3px -3px 6px rgba(255, 200, 220, 0.25);
  transform: translateY(-6px);
}

.pricing-clay-card.featured:hover {
  transform: translateY(-12px);
  box-shadow: 0 32px 64px -10px rgba(255, 100, 160, 0.45);
}

/* Top Badge "最受喵欢迎" */
.popular-badge-clay {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #ffa2c8 0%, #ff5c98 100%);
  color: #ffffff;
  font-weight: 800;
  font-size: 0.88rem;
  padding: 5px 22px;
  border-radius: var(--clay-radius-pill);
  box-shadow: 0 6px 16px rgba(255, 92, 152, 0.4), inset 1px 1px 2px #fff;
  border: 2px solid #ffffff;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

/* Cat / Animal Avatar (Clay emoji/icon as in Image 2) */
.pricing-avatar {
  font-size: 50px;
  line-height: 1;
  margin-bottom: 16px;
  display: inline-block;
  filter: drop-shadow(0 6px 10px rgba(0,0,0,0.08));
}

.plan-name {
  font-size: 1.35rem;
  font-weight: 800;
  color: #1e293b;
  margin-bottom: 18px;
}

/* Price Box */
.plan-price-box {
  margin-bottom: 22px;
}

.plan-main-price {
  font-size: 2.2rem;
  font-weight: 900;
  color: #1e293b;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
}

.plan-main-price .currency {
  font-size: 1.4rem;
}

.plan-main-price .unit {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
}

.plan-sub-price {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-top: 4px;
}

/* Traffic Box (Blue/Pink/Soft in Image 2) */
.traffic-box {
  border-radius: 18px;
  padding: 16px 20px;
  margin-bottom: 28px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.8);
}

.traffic-box-blue {
  background: #f0f7ff;
  border-color: #dbeafe;
}

.traffic-box-pink {
  background: #fff1f5;
  border-color: #ffe4e6;
}

.traffic-box-soft {
  background: #f8fafc;
  border-color: #f1f5f9;
}

.traffic-amount {
  font-size: 1.35rem;
  font-weight: 800;
  color: #1e293b;
  margin-bottom: 2px;
}

.traffic-label {
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* Plan Features List */
.plan-features-list {
  list-style: none;
  text-align: left;
  margin-bottom: 30px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-grow: 1;
}

.plan-feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--text-sub);
}

.plan-feature-item .check-icon {
  color: var(--accent-emerald);
  font-weight: 900;
  font-size: 1.1rem;
}

/* Pricing Action Button */
.pricing-action-btn {
  width: 100%;
  padding: 14px;
  border-radius: 16px;
  font-size: 1.05rem;
  font-weight: 800;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition);
}

/* Platforms Support Banner */
.platforms-banner {
  margin: 50px auto 80px;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(16px);
  border: var(--clay-border);
  border-radius: var(--clay-radius-lg);
  padding: 34px 40px;
  box-shadow: var(--clay-card-shadow);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.platforms-info h3 {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 6px;
  color: var(--text-main);
}

.platforms-info p {
  color: var(--text-sub);
  font-size: 0.95rem;
}

.platform-badges {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.platform-badge-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #ffffff;
  padding: 8px 18px;
  border-radius: var(--clay-radius-pill);
  box-shadow: 0 4px 12px rgba(210, 190, 215, 0.25);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-main);
  border: 1px solid rgba(255, 255, 255, 0.9);
}

/* Speed Latency Simulation Bar (Interactive Experience) */
.speed-test-clay-box {
  background: #ffffff;
  border-radius: var(--clay-radius-lg);
  border: var(--clay-border);
  box-shadow: var(--clay-card-shadow);
  padding: 36px;
  margin-bottom: 80px;
}

.speed-test-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.node-speed-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.node-speed-card {
  background: #f8fafc;
  border-radius: 18px;
  padding: 16px;
  border: 1px solid #edf2f7;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.node-speed-card .node-flag {
  font-size: 1.4rem;
}

.node-speed-card .node-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-main);
}

.node-ping-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-emerald);
}

.ping-indicator {
  width: 8px;
  height: 8px;
  background: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-emerald);
}

/* ==========================================================================
   ARTICLES & KNOWLEDGE BASE SECTION (9 大原创 SEO 文章)
   ========================================================================== */
.articles-section {
  padding: 60px 0 80px;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  margin-bottom: 40px;
}

.article-clay-card {
  background: #ffffff;
  border-radius: var(--clay-radius-md);
  border: var(--clay-border);
  box-shadow: var(--clay-card-shadow);
  padding: 28px;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.article-clay-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--clay-card-hover);
}

.article-category-badge {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--clay-radius-pill);
  background: #ffe4ef;
  color: var(--text-pink);
  margin-bottom: 14px;
}

.article-card-title {
  font-size: 1.18rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.45;
  margin-bottom: 12px;
  transition: var(--transition);
}

.article-clay-card:hover .article-card-title {
  color: var(--primary);
}

.article-card-snippet {
  color: var(--text-sub);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 18px;
  flex-grow: 1;
}

.article-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid #f1f5f9;
  padding-top: 14px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.article-card-readmore {
  color: var(--primary);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ==========================================================================
   USER REVIEWS / TESTIMONIALS (粘土质感用户口碑)
   ========================================================================== */
.reviews-section {
  padding: 50px 0 80px;
}

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

.review-clay-card {
  background: #ffffff;
  border-radius: var(--clay-radius-md);
  border: var(--clay-border);
  box-shadow: var(--clay-card-shadow);
  padding: 28px;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.review-clay-card:hover {
  transform: translateY(-4px);
}

.review-stars {
  color: #f59e0b;
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.review-text {
  font-size: 0.93rem;
  color: var(--text-sub);
  line-height: 1.65;
  margin-bottom: 20px;
  flex-grow: 1;
  font-style: italic;
}

.reviewer-profile {
  display: flex;
  align-items: center;
  gap: 12px;
}

.reviewer-avatar-clay {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #ffe4ef;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  border: 2px solid #ffffff;
  box-shadow: 0 4px 10px rgba(220, 180, 210, 0.3);
}

.reviewer-info h4 {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text-main);
}

.reviewer-info p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   FAQ SECTION (手风琴粘土质感折叠卡片)
   ========================================================================== */
.faq-section {
  padding: 50px 0 90px;
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-clay-item {
  background: #ffffff;
  border-radius: var(--clay-radius-md);
  border: var(--clay-border);
  box-shadow: var(--clay-card-shadow);
  overflow: hidden;
  transition: var(--transition);
}

.faq-clay-item.active {
  box-shadow: var(--clay-card-hover);
}

.faq-question-btn {
  width: 100%;
  padding: 20px 26px;
  background: transparent;
  border: none;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  transition: var(--transition);
}

.faq-question-btn:hover {
  color: var(--primary);
}

.faq-icon-chevron {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--text-sub);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-clay-item.active .faq-icon-chevron {
  transform: rotate(180deg);
  background: #ffe4ef;
  color: var(--primary);
}

.faq-answer-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0, 1, 0, 1);
  padding: 0 26px;
  color: var(--text-sub);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-clay-item.active .faq-answer-body {
  max-height: 800px;
  padding: 0 26px 22px;
  transition: max-height 0.45s ease-in-out;
}

/* ==========================================================================
   BOTTOM CTA SECTION (巨幅吸睛粘土卡)
   ========================================================================== */
.cta-banner-section {
  padding: 40px 0 90px;
}

.cta-clay-banner {
  background: linear-gradient(135deg, #ffffff 0%, #fff0f7 50%, #f4f6ff 100%);
  border-radius: var(--clay-radius-lg);
  border: 3px solid rgba(255, 255, 255, 0.95);
  box-shadow: 
    0 25px 60px -15px rgba(255, 120, 180, 0.3),
    inset 2px 2px 6px #ffffff;
  padding: 60px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-clay-banner h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 900;
  margin-bottom: 16px;
  color: #1e293b;
}

.cta-clay-banner p {
  font-size: 1.15rem;
  color: var(--text-sub);
  max-width: 650px;
  margin: 0 auto 32px;
}

/* ==========================================================================
   FOOTER (页脚与防迷路说明)
   ========================================================================== */
.site-footer {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  border-top: 1px solid rgba(255, 255, 255, 0.8);
  padding: 60px 0 30px;
  position: relative;
  z-index: 10;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 36px;
  margin-bottom: 40px;
}

.footer-brand p {
  color: var(--text-sub);
  font-size: 0.92rem;
  margin-top: 14px;
  line-height: 1.6;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  text-decoration: none;
  color: var(--text-sub);
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary);
  padding-left: 4px;
}

.domain-safe-box {
  background: #fff7ed;
  border-radius: 14px;
  padding: 14px;
  border: 1px dashed #fdba74;
  font-size: 0.85rem;
  color: #9a3412;
  margin-top: 12px;
}

.domain-safe-box strong {
  color: #ea580c;
  display: block;
  margin-bottom: 4px;
}

.footer-bottom {
  border-top: 1px solid #e2e8f0;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.86rem;
  color: var(--text-muted);
}

/* ==========================================================================
   ARTICLE PAGE SPECIFIC STYLES (知识库文章详情页专用样式)
   ========================================================================== */
.article-page-container {
  max-width: 960px;
  margin: 20px auto 70px;
  padding: 0 20px;
}

.breadcrumb-clay {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.breadcrumb-clay a {
  color: var(--text-sub);
  text-decoration: none;
  font-weight: 600;
}

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

.article-main-card {
  background: #ffffff;
  border-radius: var(--clay-radius-lg);
  border: var(--clay-border);
  box-shadow: var(--clay-card-shadow);
  padding: 48px;
  margin-bottom: 40px;
}

.article-header {
  border-bottom: 1px solid #f1f5f9;
  padding-bottom: 24px;
  margin-bottom: 32px;
}

.article-header h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 900;
  line-height: 1.35;
  color: var(--text-main);
  margin-bottom: 18px;
}

.article-meta-bar {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.article-meta-bar .badge {
  background: #ffe4ef;
  color: var(--text-pink);
  font-weight: 700;
  padding: 3px 12px;
  border-radius: var(--clay-radius-pill);
}

/* Table of Contents (TOC) */
.toc-box {
  background: #f8fafc;
  border-radius: 18px;
  border: 1px solid #e2e8f0;
  padding: 24px;
  margin: 28px 0;
}

.toc-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toc-list li a {
  text-decoration: none;
  color: var(--text-sub);
  font-size: 0.92rem;
  transition: var(--transition);
}

.toc-list li a:hover {
  color: var(--primary);
  padding-left: 6px;
}

/* Rich Article Content Formatting */
.article-content {
  color: #334155;
  font-size: 1.02rem;
  line-height: 1.85;
}

.article-content h2 {
  font-size: 1.6rem;
  font-weight: 800;
  color: #0f172a;
  margin: 40px 0 16px;
  padding-left: 14px;
  border-left: 4px solid var(--primary);
}

.article-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #1e293b;
  margin: 28px 0 12px;
}

.article-content p {
  margin-bottom: 20px;
}

.article-content ul, .article-content ol {
  margin: 16px 0 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.article-content li {
  line-height: 1.7;
}

.article-content strong {
  color: #0f172a;
}

.article-content blockquote {
  background: #fff0f6;
  border-left: 4px solid var(--primary);
  border-radius: 0 14px 14px 0;
  padding: 16px 22px;
  margin: 24px 0;
  color: #9d174d;
  font-size: 0.96rem;
}

/* Comparison Table in Article */
.table-responsive {
  overflow-x: auto;
  margin: 28px 0;
}

.clay-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
  border: 1px solid #e2e8f0;
}

.clay-table th {
  background: #f1f5f9;
  padding: 14px 16px;
  font-weight: 700;
  text-align: left;
  color: var(--text-main);
  font-size: 0.92rem;
}

.clay-table td {
  padding: 14px 16px;
  border-top: 1px solid #f1f5f9;
  font-size: 0.9rem;
  color: var(--text-sub);
}

.clay-table tr:hover td {
  background: #fafafa;
}

/* In-article CTA box */
.article-cta-box {
  background: linear-gradient(135deg, #fff0f7 0%, #eef2ff 100%);
  border-radius: 20px;
  border: 2px dashed #f472b6;
  padding: 30px;
  margin: 36px 0;
  text-align: center;
}

.article-cta-box h3 {
  font-size: 1.35rem;
  font-weight: 800;
  color: #1e293b;
  margin-bottom: 8px;
}

.article-cta-box p {
  color: var(--text-sub);
  margin-bottom: 18px;
  font-size: 0.95rem;
}

/* Navigation between articles (Prev/Next) */
.article-nav-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 40px;
  padding-top: 30px;
  border-top: 1px solid #e2e8f0;
}

.pager-card {
  background: #f8fafc;
  padding: 18px 22px;
  border-radius: 16px;
  text-decoration: none;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.pager-card:hover {
  background: #ffffff;
  box-shadow: 0 8px 20px rgba(220, 180, 215, 0.3);
  transform: translateY(-2px);
}

.pager-card .pager-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--primary);
}

.pager-card .pager-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

/* Related articles matrix */
.related-articles-section {
  margin-top: 40px;
}

.related-articles-section h3 {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 20px;
  color: var(--text-main);
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .advantages-grid, .pricing-grid, .articles-grid, .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .dashboard-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .node-speed-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .mobile-nav-toggle {
    display: block;
  }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 75px;
    left: 16px;
    right: 16px;
    background: #ffffff;
    border-radius: 20px;
    padding: 24px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.12);
    border: var(--clay-border);
  }
  .advantages-grid, .pricing-grid, .articles-grid, .reviews-grid {
    grid-template-columns: 1fr;
  }
  .dashboard-stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  .node-speed-grid {
    grid-template-columns: 1fr;
  }
  .platforms-banner {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .article-main-card {
    padding: 28px 20px;
  }
  .article-nav-pager {
    grid-template-columns: 1fr;
  }
}