/* ========================================================
   白嫖机场 - Kawaii Anime Theme Stylesheet
   Color Palette:
   - Pink: #ffb7c5
   - Deep Pink: #ff6b9d
   - Purple: #c8a8e9
   - Lavender: #e0c3fc
   - Text: #5a3d5e
   - Soft Text: #9b7da3
   ======================================================== */

:root {
  --pink: #ffb7c5;
  --deep-pink: #ff6b9d;
  --purple: #c8a8e9;
  --lavender: #e0c3fc;
  --sky-blue: #c2e9fb;
  --text-color: #5a3d5e;
  --soft-text: #9b7da3;
  --card-bg: rgba(255, 255, 255, 0.88);
  --card-hover-bg: rgba(255, 255, 255, 0.96);
  --border-radius: 30px;
  --soft-shadow: 0 12px 32px rgba(255, 107, 157, 0.18);
  --hover-shadow: 0 20px 40px rgba(255, 107, 157, 0.28);
  --font-body: 'Quicksand', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-heading: 'Mochiy Pop P One', 'ZCOOL KuaiLe', cursive, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--text-color);
  background: linear-gradient(135deg, #ffe0ec 0%, #e0c3fc 50%, #c2e9fb 100%) fixed;
  min-height: 100vh;
  line-height: 1.6;
  position: relative;
  overflow-x: hidden;
  font-size: 16px;
}

/* Background Petals Canvas */
#sakura-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

/* Sparkle Follower */
.mouse-sparkle {
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.2s ease-out;
  font-size: 18px;
  filter: drop-shadow(0 0 6px rgba(255, 107, 157, 0.8));
}

.mouse-sparkle.active {
  opacity: 1;
}

/* Click Burst Particle */
.click-sparkle-dot {
  position: fixed;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: radial-gradient(circle, #ff6b9d 20%, #ffb7c5 90%);
  box-shadow: 0 0 8px rgba(255, 107, 157, 0.9);
  pointer-events: none;
  z-index: 99999;
  transform: translate(-50%, -50%);
  animation: burstOut 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes burstOut {
  0% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }
  100% {
    transform: translate(calc(-50% + var(--dx)), calc(-50% + var(--dy))) scale(0.2);
    opacity: 0;
  }
}

/* Layout Wrappers */
.main-wrapper {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Common Card Style */
.kawaii-card {
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--border-radius);
  box-shadow: var(--soft-shadow);
  border: 2px solid rgba(255, 255, 255, 0.8);
  transition: all 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
}

/* Section Headings */
.section-title-wrap {
  text-align: center;
  margin-bottom: 45px;
}

.section-tag {
  display: inline-block;
  background: rgba(255, 255, 255, 0.9);
  color: var(--deep-pink);
  font-size: 14px;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 9999px;
  box-shadow: 0 4px 15px rgba(255, 107, 157, 0.2);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 34px;
  color: var(--deep-pink);
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.section-desc {
  font-size: 16px;
  color: var(--soft-text);
  max-width: 650px;
  margin: 0 auto;
}

/* 1. Sticky Translucent Header */
.site-header {
  position: sticky;
  top: 15px;
  z-index: 1000;
  margin: 15px auto 30px;
  padding: 10px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 9999px;
  box-shadow: 0 8px 24px rgba(255, 107, 157, 0.15);
  border: 1.5px solid rgba(255, 255, 255, 0.9);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: 22px;
  color: var(--deep-pink);
}

.brand-emoji {
  display: inline-block;
  animation: floatEmoji 3s ease-in-out infinite;
}

@keyframes floatEmoji {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-6px) rotate(8deg);
  }
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 8px;
}

.nav-link {
  text-decoration: none;
  color: var(--text-color);
  font-size: 15px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 9999px;
  transition: all 0.25s ease;
}

.nav-link:hover, .nav-link.active {
  background: rgba(255, 183, 197, 0.25);
  color: var(--deep-pink);
}

.header-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, #ff6b9d 0%, #ff9ebb 100%);
  color: #fff !important;
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
  padding: 9px 20px;
  border-radius: 9999px;
  box-shadow: 0 6px 18px rgba(255, 107, 157, 0.35);
  transition: all 0.3s ease;
}

.header-cta-btn:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 10px 24px rgba(255, 107, 157, 0.5);
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--deep-pink);
}

/* 2. Hero Section */
.hero-section {
  padding: 40px 0 60px;
  text-align: center;
  position: relative;
}

.hero-badge-ribbon {
  display: inline-flex;
  align-items: center;
  background: linear-gradient(135deg, #ffe0ec 0%, #ffccd5 100%);
  color: var(--deep-pink);
  font-size: 15px;
  font-weight: 700;
  padding: 8px 24px;
  border-radius: 9999px;
  box-shadow: 0 6px 16px rgba(255, 107, 157, 0.2);
  margin-bottom: 25px;
  border: 1px solid rgba(255, 255, 255, 0.8);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 88px;
  line-height: 1.1;
  color: var(--deep-pink);
  text-shadow: 2px 2px 0 #fff, -2px -2px 0 #fff, 2px -2px 0 #fff, -2px 2px 0 #fff, 0 0 20px rgba(255, 107, 157, 0.6);
  margin-bottom: 20px;
  position: relative;
  display: inline-block;
}

.wobble-heart {
  display: inline-block;
  animation: wobbleHeart 2s infinite ease-in-out;
  cursor: pointer;
}

@keyframes wobbleHeart {
  0%, 100% {
    transform: scale(1) rotate(0deg);
  }
  25% {
    transform: scale(1.15) rotate(-12deg);
  }
  75% {
    transform: scale(1.15) rotate(12deg);
  }
}

.hero-subtitle {
  font-size: 22px;
  font-weight: 700;
  color: #7b4b80;
  margin-bottom: 14px;
}

.hero-description {
  font-size: 16px;
  color: var(--soft-text);
  max-width: 720px;
  margin: 0 auto 35px;
  line-height: 1.8;
}

/* Hero Mascot Bubble */
.hero-mascot-wrap {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #fff;
  padding: 12px 26px;
  border-radius: 9999px;
  box-shadow: 0 8px 25px rgba(255, 107, 157, 0.2);
  margin-bottom: 35px;
  animation: mascotBounce 3s ease-in-out infinite;
  border: 2px solid #ffccd5;
  cursor: pointer;
}

@keyframes mascotBounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.hero-mascot-icon {
  font-size: 28px;
}

.hero-mascot-text {
  font-size: 16px;
  font-weight: 700;
  color: var(--deep-pink);
}

/* Hero CTA Buttons */
.hero-cta-group {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.btn-primary-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, #ff6b9d 0%, #ff8fab 100%);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 18px;
  padding: 16px 38px;
  border-radius: 9999px;
  box-shadow: 0 10px 28px rgba(255, 107, 157, 0.45);
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.btn-primary-cta:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 16px 36px rgba(255, 107, 157, 0.6);
}

.btn-secondary-blog {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.95);
  color: var(--deep-pink);
  text-decoration: none;
  font-weight: 700;
  font-size: 16px;
  padding: 16px 32px;
  border-radius: 9999px;
  border: 2px solid #ffccd5;
  box-shadow: 0 8px 20px rgba(200, 168, 233, 0.25);
  transition: all 0.3s ease;
}

.btn-secondary-blog:hover {
  background: #fff;
  border-color: var(--deep-pink);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(255, 107, 157, 0.3);
}

/* 3. 4-Stat Row */
.stats-section {
  margin: 30px 0 60px;
}

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

.stat-card {
  padding: 28px 20px;
  text-align: center;
}

.stat-card:hover {
  transform: translateY(-6px);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 42px;
  color: var(--deep-pink);
  line-height: 1.2;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-color);
}

.stat-sub {
  font-size: 13px;
  color: var(--soft-text);
  margin-top: 4px;
}

/* 4. 3 Core Highlights (Text + Image/Icon) */
.core-highlights {
  margin-bottom: 60px;
}

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

.core-card {
  padding: 34px 28px;
  text-align: center;
}

.core-card:hover {
  transform: translateY(-8px) rotate(-1deg);
  box-shadow: var(--hover-shadow);
}

.core-icon-box {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, #ffe0ec 0%, #e0c3fc 100%);
  border-radius: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 42px;
  box-shadow: 0 8px 20px rgba(255, 107, 157, 0.2);
  transition: transform 0.4s ease;
}

.core-card:hover .core-icon-box {
  transform: scale(1.15) rotate(8deg);
}

.core-card h3 {
  font-family: var(--font-heading);
  font-size: 22px;
  color: var(--deep-pink);
  margin-bottom: 12px;
}

.core-card p {
  font-size: 15px;
  color: var(--soft-text);
  line-height: 1.7;
}

/* 5. 6-Card Kawaii Feature Grid */
.features-section {
  margin-bottom: 60px;
}

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

.feature-card {
  padding: 32px 24px;
  position: relative;
  text-align: left;
}

.feature-card:hover {
  transform: translateY(-6px) rotate(-1deg);
  box-shadow: var(--hover-shadow);
}

/* Corner Ribbon */
.card-ribbon {
  position: absolute;
  top: 18px;
  right: -25px;
  background: linear-gradient(135deg, #ff6b9d 0%, #c8a8e9 100%);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  padding: 4px 30px;
  transform: rotate(45deg);
  box-shadow: 0 3px 10px rgba(255, 107, 157, 0.3);
  letter-spacing: 0.5px;
}

.feature-emoji {
  font-size: 50px;
  display: inline-block;
  margin-bottom: 16px;
  transition: transform 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.feature-card:hover .feature-emoji {
  transform: scale(1.25) rotate(12deg);
}

.feature-card h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  color: var(--text-color);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 14px;
  color: var(--soft-text);
  line-height: 1.7;
}

/* 6. Nodes Panel */
.nodes-section {
  margin-bottom: 60px;
}

.nodes-card {
  padding: 34px;
}

.nodes-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 10px;
}

.node-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: rgba(255, 255, 255, 0.7);
  border-radius: 18px;
  border: 1px solid rgba(255, 204, 213, 0.5);
  transition: all 0.25s ease;
}

.node-row:hover {
  background: #fff;
  transform: translateX(4px);
  border-color: var(--deep-pink);
}

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

.node-flag {
  font-size: 24px;
}

.node-name {
  font-weight: 700;
  font-size: 15px;
  color: var(--text-color);
}

.node-protocol {
  font-size: 12px;
  background: #ffe0ec;
  color: var(--deep-pink);
  padding: 2px 8px;
  border-radius: 6px;
  font-weight: 600;
}

.node-right {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: #38a169;
}

.pulsing-dot {
  width: 10px;
  height: 10px;
  background-color: #38a169;
  border-radius: 50%;
  position: relative;
}

.pulsing-dot::after {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: rgba(56, 161, 105, 0.4);
  animation: pulseDot 1.8s infinite;
}

@keyframes pulseDot {
  0% {
    transform: scale(0.6);
    opacity: 1;
  }
  100% {
    transform: scale(1.6);
    opacity: 0;
  }
}

/* 7. Streaming & AI Support */
.media-ai-section {
  margin-bottom: 60px;
}

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

.media-ai-card {
  padding: 26px 20px;
  text-align: center;
}

.media-ai-card:hover {
  transform: translateY(-6px);
}

.media-ai-emoji {
  font-size: 44px;
  margin-bottom: 12px;
  display: inline-block;
  transition: transform 0.3s ease;
}

.media-ai-card:hover .media-ai-emoji {
  transform: scale(1.2);
}

.media-ai-card h3 {
  font-family: var(--font-heading);
  font-size: 18px;
  color: var(--deep-pink);
  margin-bottom: 6px;
}

.media-ai-card p {
  font-size: 13px;
  color: var(--soft-text);
}

.badge-support {
  display: inline-block;
  background: #e0f2fe;
  color: #0284c7;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 9999px;
  margin-top: 10px;
}

/* 8. Pricing Plans Table */
.pricing-section {
  margin-bottom: 60px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  align-items: stretch;
}

.pricing-card {
  padding: 36px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-align: center;
  position: relative;
}

.pricing-card.featured-plan {
  border: 2px solid var(--deep-pink);
  transform: scale(1.03);
  box-shadow: 0 16px 36px rgba(255, 107, 157, 0.3);
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--hover-shadow);
}

.pricing-card.featured-plan:hover {
  transform: translateY(-8px) scale(1.03);
}

.plan-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  background: var(--deep-pink);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 9999px;
}

.plan-name {
  font-family: var(--font-heading);
  font-size: 22px;
  color: var(--text-color);
  margin-bottom: 10px;
}

.plan-price-wrap {
  margin: 16px 0;
}

.plan-currency {
  font-size: 20px;
  color: var(--deep-pink);
  font-weight: 700;
}

.plan-price {
  font-family: var(--font-heading);
  font-size: 42px;
  color: var(--deep-pink);
  font-weight: 700;
}

.plan-period {
  font-size: 14px;
  color: var(--soft-text);
}

.plan-features-list {
  list-style: none;
  text-align: left;
  margin: 20px 0 28px;
  flex-grow: 1;
}

.plan-features-list li {
  font-size: 14px;
  color: var(--text-color);
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px dashed rgba(255, 183, 197, 0.4);
}

.plan-features-list li:last-child {
  border-bottom: none;
}

.plan-btn {
  display: block;
  width: 100%;
  padding: 13px 0;
  background: linear-gradient(135deg, #ff6b9d 0%, #ff9ebb 100%);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  border-radius: 9999px;
  box-shadow: 0 6px 16px rgba(255, 107, 157, 0.3);
  transition: all 0.3s ease;
}

.plan-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(255, 107, 157, 0.5);
}

.plan-btn-free {
  background: linear-gradient(135deg, #c8a8e9 0%, #e0c3fc 100%);
}

/* 9. User Testimonials */
.reviews-section {
  margin-bottom: 60px;
}

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

.review-card {
  padding: 28px;
}

.review-card:hover {
  transform: translateY(-6px);
}

.review-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.user-avatar-emoji {
  width: 48px;
  height: 48px;
  background: #ffe0ec;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
}

.user-info h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-color);
}

.user-tag {
  font-size: 12px;
  color: var(--soft-text);
}

.review-stars {
  color: #f59e0b;
  font-size: 14px;
  margin-bottom: 12px;
}

.review-text {
  font-size: 14px;
  color: var(--soft-text);
  line-height: 1.7;
}

/* 10. FAQ Section */
.faq-section {
  margin-bottom: 80px;
}

.faq-list {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  padding: 22px 28px;
  cursor: pointer;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-heading);
  font-size: 18px;
  color: var(--text-color);
}

.faq-toggle-icon {
  font-size: 20px;
  color: var(--deep-pink);
  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, margin-top 0.3s ease;
  color: var(--soft-text);
  font-size: 15px;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  margin-top: 14px;
}

/* 11. Footer */
.site-footer {
  margin: 60px auto 40px;
  padding: 35px 20px;
  text-align: center;
  border-top: 2px dashed rgba(255, 183, 197, 0.5);
}

.footer-nav-only {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 36px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.footer-nav-link {
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: 17px;
  color: var(--deep-pink);
  padding: 8px 18px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.8);
  box-shadow: 0 4px 12px rgba(255, 107, 157, 0.15);
  transition: all 0.25s ease;
}

.footer-nav-link:hover {
  background: var(--deep-pink);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(255, 107, 157, 0.3);
}

.footer-copyright {
  font-size: 13px;
  color: var(--soft-text);
}

/* ========================================================
   Responsive Media Queries (@media)
   ======================================================== */
@media (max-width: 1024px) {
  .features-grid,
  .pricing-grid,
  .media-ai-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .pricing-card.featured-plan {
    transform: none;
  }
}

@media (max-width: 768px) {
  .site-header {
    border-radius: 20px;
    padding: 12px 18px;
    flex-wrap: wrap;
  }

  .mobile-nav-toggle {
    display: block;
  }

  .nav-menu {
    display: none;
    width: 100%;
    flex-direction: column;
    padding-top: 15px;
    gap: 10px;
  }

  .nav-menu.open {
    display: flex;
  }

  .header-cta-btn {
    display: none;
  }

  .hero-title {
    font-size: 46px;
  }

  .hero-subtitle {
    font-size: 18px;
  }

  .hero-description {
    font-size: 14px;
  }

  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }

  .btn-primary-cta,
  .btn-secondary-blog {
    width: 100%;
    padding: 14px 20px;
    font-size: 16px;
  }

  .core-grid,
  .features-grid,
  .pricing-grid,
  .media-ai-grid,
  .reviews-grid,
  .nodes-list {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .footer-nav-only {
    gap: 14px;
    flex-direction: column;
  }

  .footer-nav-link {
    width: 200px;
  }
}