/* --- index.css - Yuyan Cloud Classical Chinese Ink Wash Design System --- */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;700;900&family=Outfit:wght@300;400;600;800&display=swap');

:root {
  /* Chinese Shanshui Ink Color Palette */
  --ink-paper-light: #faf5e8;      /* 温润宣纸白 */
  --ink-paper-dark: #f3ebd3;       /* 岁月古纸黄 */
  --ink-black: #1a1c1e;            /* 松烟墨黑 */
  --ink-charcoal: #2d3135;         /* 浓墨 */
  --ink-wash-gray: #7f8c8d;        /* 淡墨灰 */
  --ink-cinnabar: #b22222;         /* 朱砂红 */
  --ink-gold: #c5a059;             /* 描金黄 */
  --ink-bamboo: #3e4f3a;           /* 竹青绿 */
  
  --ink-shadow: 0 10px 25px rgba(28, 30, 32, 0.08);
  --ink-shadow-deep: 0 15px 35px rgba(28, 30, 32, 0.15);
  --ink-border: 1px solid rgba(197, 160, 89, 0.25);
  --ink-border-red: 1px solid rgba(178, 34, 34, 0.25);
  
  --font-cyber: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-wuxia: 'Noto Serif SC', "Georgia", serif;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  background-color: var(--ink-paper-light);
}

body {
  font-family: var(--font-cyber);
  color: var(--ink-black);
  line-height: 1.7;
  background-color: var(--ink-paper-light);
  background-image: radial-gradient(circle at 80% 20%, rgba(243, 235, 211, 0.5) 0%, transparent 60%);
  overflow-x: hidden;
  position: relative;
}

/* Custom Scrollbar in Ink Style */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--ink-paper-light);
}
::-webkit-scrollbar-thumb {
  background: var(--ink-wash-gray);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--ink-black);
}

/* Canvas Animation Overlays */
#background-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
}

#cursor-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 9999;
  pointer-events: none;
}

/* Layout Wrapper */
.layout-container {
  position: relative;
  z-index: 10;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Calligraphy and Gradient Header Fonts */
.gradient-text-wuxia {
  font-family: var(--font-wuxia);
  font-weight: 900;
  background: linear-gradient(135deg, var(--ink-black) 30%, var(--ink-cinnabar) 80%, var(--ink-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Top stats bar (Instruction 9) */
.top-stats-bar {
  background: rgba(250, 245, 230, 0.95);
  border-bottom: 2px double rgba(197, 160, 89, 0.2);
  padding: 6px 0;
  font-size: 13px;
  position: relative;
  z-index: 110;
}

.top-stats-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: flex-end;
  gap: 20px;
}

.top-stat-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #fbf9f4;
  border: 1px solid rgba(197, 160, 89, 0.3);
  padding: 3px 12px;
  border-radius: 4px;
  color: var(--ink-charcoal);
  font-weight: 600;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
}

.pill-seal {
  background-color: var(--ink-gold);
  color: #fff;
  font-size: 10px;
  padding: 1px 4px;
  border-radius: 2px;
  font-family: var(--font-wuxia);
  font-weight: bold;
}

.pill-seal.red-seal {
  background-color: var(--ink-cinnabar);
}

.pill-value {
  color: var(--ink-cinnabar);
  font-weight: 700;
  font-family: var(--font-cyber);
}

/* Classical Header Navigation */
header {
  padding: 18px 0;
  border-bottom: 2px double rgba(197, 160, 89, 0.25);
  background: rgba(250, 245, 232, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

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

.logo-icon {
  width: 36px;
  height: 36px;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.15));
}

.logo-text {
  font-family: var(--font-wuxia);
  font-size: 24px;
  font-weight: 900;
  letter-spacing: 2px;
}

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

.nav-link {
  color: var(--ink-charcoal);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  font-size: 14.5px;
}

.nav-link:hover {
  color: var(--ink-cinnabar);
  border-bottom: 1px solid var(--ink-cinnabar);
}

/* Traditional Brushes Buttons */
.btn-primary {
  background: linear-gradient(135deg, var(--ink-cinnabar), #900);
  color: #fff;
  font-weight: 700;
  padding: 10px 22px;
  border-radius: 4px;
  border: 1px solid #700;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 10px rgba(178, 34, 34, 0.15);
  font-family: var(--font-wuxia);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(178, 34, 34, 0.3);
  background: linear-gradient(135deg, #cc2a2a, var(--ink-cinnabar));
}

.btn-outline {
  border: 1px solid var(--ink-gold);
  color: var(--ink-gold);
  background: transparent;
  font-weight: 700;
  padding: 9px 21px;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.3s ease;
  font-family: var(--font-wuxia);
}

.btn-outline:hover {
  background: rgba(197, 160, 89, 0.05);
  color: var(--ink-cinnabar);
  border-color: var(--ink-cinnabar);
  transform: translateY(-1px);
}

/* Sections Base */
section {
  padding: 80px 0;
  border-top: 1px solid rgba(197, 160, 89, 0.12);
}

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

.section-tag-ink {
  color: var(--ink-cinnabar);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 4px;
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-family: var(--font-wuxia);
  font-size: 38px;
  font-weight: 900;
  letter-spacing: 2px;
}

/* Hero Section */
.hero-section {
  padding: 60px 0;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 40px;
  align-items: center;
}

.h1-wrapper {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.hero-content h1 {
  font-size: 46px;
  line-height: 1.25;
  flex: 1;
  min-width: 280px;
}

.h1-swallow-container {
  width: 54px;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  filter: drop-shadow(0 2px 6px rgba(44, 62, 80, 0.25));
  animation: birdFloat 3.5s ease-in-out infinite;
}

@keyframes birdFloat {
  0% { transform: translateY(0) rotate(3deg); }
  50% { transform: translateY(-6px) rotate(-3deg); }
  100% { transform: translateY(0) rotate(3deg); }
}

.h1-swallow-svg {
  width: 100%;
  height: 100%;
}

.hero-description {
  font-size: 15.5px;
  color: var(--ink-charcoal);
  margin-bottom: 36px;
  max-width: 580px;
  line-height: 1.85;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Traditional Shanshui Landscape Painting Scroll on Right */
.hero-decoration-panel {
  display: flex;
  justify-content: center;
  position: relative;
}

.ink-scroll-outer {
  width: 100%;
  max-width: 340px;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.scroll-wood-rod {
  height: 12px;
  width: 105%;
  background: #5c3b2e;
  border-radius: 3px;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.5), 0 3px 6px rgba(0,0,0,0.15);
  position: relative;
  z-index: 5;
}

.scroll-paper-body {
  background: #fdfaf2;
  border-left: 2px solid #5c3b2e;
  border-right: 2px solid #5c3b2e;
  padding: 30px 24px;
  width: 100%;
  box-shadow: 0 10px 25px rgba(28, 30, 32, 0.08);
  position: relative;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* Simulates calligraphy paper grids or landscape background */
.scroll-paper-body::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: radial-gradient(circle, rgba(127, 140, 141, 0.05) 10%, transparent 60%);
  pointer-events: none;
}

.scroll-title-calligraphy {
  font-family: var(--font-wuxia);
  color: var(--ink-black);
  font-size: 18px;
  text-align: center;
  margin-bottom: 24px;
  border-bottom: 1px dashed rgba(197, 160, 89, 0.3);
  padding-bottom: 10px;
  letter-spacing: 2px;
}

.scroll-indicator-ink {
  margin-bottom: 16px;
  position: relative;
  z-index: 2;
}

.indicator-name-ink {
  font-size: 12px;
  color: var(--ink-wash-gray);
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-wuxia);
  font-weight: 600;
}

.indicator-bar-ink {
  height: 4px;
  background: rgba(197, 160, 89, 0.15);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 2px;
}

.indicator-fill-ink {
  height: 100%;
  background: linear-gradient(90deg, var(--ink-charcoal), var(--ink-gold));
  border-radius: 2px;
}

.indicator-val-ink {
  font-size: 11px;
  font-weight: bold;
  color: var(--ink-cinnabar);
  text-align: right;
  display: block;
}

.scroll-seal-stamp {
  align-self: flex-end;
  border: 2px solid var(--ink-cinnabar);
  color: var(--ink-cinnabar);
  font-family: var(--font-wuxia);
  font-size: 11px;
  font-weight: bold;
  padding: 3px 6px;
  transform: rotate(-6deg);
  opacity: 0.85;
  background: transparent;
  user-select: none;
  box-shadow: 0 0 1px var(--ink-cinnabar);
  margin-top: 10px;
}

/* H2 Pricing: Slidable Bamboo Slips Cards (Instruction 4) */
.pricing-carousel-container {
  position: relative;
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
}

.pricing-carousel-wrapper {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  width: 100%;
  padding: 15px 0;
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}

.pricing-carousel-wrapper::-webkit-scrollbar {
  display: none;
}

/* Bamboo slip cards */
.pricing-card-bamboo {
  background: #f7f2e5;
  border: 1px solid rgba(197, 160, 89, 0.35);
  border-top: 4px solid var(--ink-gold);
  border-radius: 4px;
  padding: 36px 20px 28px 20px;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  scroll-snap-align: start;
  box-shadow: var(--ink-shadow);
  overflow: hidden;
}

/* Vertical bamboo lines decoration on sides */
.pricing-card-bamboo::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0; left: 10px;
  width: 1px;
  background: rgba(197, 160, 89, 0.15);
}

.pricing-card-bamboo::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0; right: 10px;
  width: 1px;
  background: rgba(197, 160, 89, 0.15);
}

.pricing-card-bamboo:hover {
  transform: translateY(-5px);
  border-color: var(--ink-cinnabar);
  border-top-color: var(--ink-cinnabar);
  box-shadow: var(--ink-shadow-deep);
  background: #faf7f0;
}

.pricing-card-bamboo.featured {
  border-color: var(--ink-cinnabar);
  border-top-width: 6px;
  border-top-color: var(--ink-cinnabar);
  background: #fcf9f2;
}

.pricing-card-bamboo.featured:hover {
  box-shadow: 0 12px 30px rgba(178, 34, 34, 0.12);
}

.plan-header-badge-seal {
  position: absolute;
  top: 14px;
  right: 20px;
  border: 1px solid var(--ink-gold);
  color: var(--ink-gold);
  font-size: 10px;
  font-family: var(--font-wuxia);
  font-weight: 700;
  padding: 2px 6px;
  transform: rotate(5deg);
  text-transform: uppercase;
}

.pricing-card-bamboo.featured .plan-header-badge-seal {
  border-color: var(--ink-cinnabar);
  color: var(--ink-cinnabar);
  font-weight: bold;
}

.plan-name-calligraphy {
  font-family: var(--font-wuxia);
  font-size: 18px;
  font-weight: 800;
  color: var(--ink-black);
  margin-bottom: 8px;
  margin-top: 6px;
}

.plan-price-box-ink {
  margin: 10px 0;
  display: flex;
  align-items: baseline;
}

.price-currency-ink {
  font-size: 16px;
  font-weight: bold;
  color: var(--ink-cinnabar);
}

.price-val-ink {
  font-size: 36px;
  font-weight: 800;
  color: var(--ink-black);
  line-height: 1;
}

.price-period-ink {
  font-size: 13px;
  color: var(--ink-wash-gray);
  margin-left: 2px;
}

.plan-payment-info-ink {
  font-size: 11px;
  color: var(--ink-wash-gray);
  margin-bottom: 12px;
  border-bottom: 1px dashed rgba(197, 160, 89, 0.2);
  padding-bottom: 8px;
}

.plan-features-ink {
  list-style: none;
  margin: 12px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-charcoal);
}

.plan-features-ink li {
  display: flex;
  align-items: flex-start;
}

.check-dot {
  color: var(--ink-gold);
  font-size: 10px;
  margin-right: 8px;
  line-height: 1.8;
}

.pricing-card-bamboo.featured .check-dot {
  color: var(--ink-cinnabar);
}

.plan-btn-ink {
  margin-top: auto;
  width: 100%;
  justify-content: center;
}

.carousel-control {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--ink-gold);
  background: rgba(250, 245, 230, 0.9);
  color: var(--ink-charcoal);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  z-index: 10;
  flex-shrink: 0;
}

.carousel-control:hover {
  border-color: var(--ink-cinnabar);
  color: var(--ink-cinnabar);
  box-shadow: 0 4px 10px rgba(178, 34, 34, 0.1);
}

/* H3 Articles: Classical Vertical Timeline (Instruction 5) */
.vertical-articles-carousel-container {
  position: relative;
  display: grid;
  grid-template-columns: 80px 1fr 60px;
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
  align-items: center;
  height: 360px;
}

.vertical-timeline-track {
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
}

.vertical-timeline-progress {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--ink-gold), var(--ink-cinnabar), transparent);
  z-index: 1;
}

.timeline-indicator-dot {
  position: relative;
  z-index: 2;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--ink-paper-light);
  border: 2px solid var(--ink-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  font-size: 10.5px;
  font-family: var(--font-wuxia);
  color: var(--ink-charcoal);
}

.timeline-indicator-dot.active {
  border-color: var(--ink-cinnabar);
  box-shadow: 0 2px 8px rgba(178, 34, 34, 0.2);
  color: var(--ink-cinnabar);
  transform: scale(1.15);
  background: #fdfaf2;
}

.articles-deck-wrapper {
  position: relative;
  height: 100%;
  width: 100%;
  overflow: hidden;
}

/* Card styled like ancient correspondence sheets (笺纸) */
.article-deck-card-ink {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  background: #fdfbf7;
  border: 1px solid rgba(197, 160, 89, 0.3);
  border-radius: 4px;
  padding: 6px;
  transition: all 0.6s cubic-bezier(0.25, 1, 0.5, 1);
  cursor: pointer;
  opacity: 0;
  transform: translateY(100px) scale(0.88);
  pointer-events: none;
  box-shadow: var(--ink-shadow);
}

.card-inner-border {
  border: 1px solid rgba(178, 34, 34, 0.2);
  padding: 24px 28px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.article-deck-card-ink.active {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
  z-index: 3;
  border-color: var(--ink-gold);
  box-shadow: var(--ink-shadow-deep);
}

.article-deck-card-ink.prev-card {
  opacity: 0.35;
  transform: translateY(-70px) scale(0.93);
  pointer-events: none;
  z-index: 2;
}

.article-deck-card-ink.next-card {
  opacity: 0.35;
  transform: translateY(70px) scale(0.93);
  pointer-events: none;
  z-index: 2;
}

.article-meta-ink {
  font-size: 12px;
  color: var(--ink-wash-gray);
  display: flex;
  gap: 16px;
  margin-bottom: 6px;
  font-family: var(--font-wuxia);
}

.article-card-title-ink {
  margin-bottom: 10px;
}

.article-link-ink {
  color: var(--ink-black);
  text-decoration: none;
  font-size: 18px;
  font-family: var(--font-wuxia);
  font-weight: 800;
  transition: color 0.3s ease;
  line-height: 1.4;
}

.article-deck-card-ink:hover .article-link-ink {
  color: var(--ink-cinnabar);
}

.article-excerpt-ink {
  color: var(--ink-charcoal);
  font-size: 13.5px;
  line-height: 1.7;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-footer-ink {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px dashed rgba(197, 160, 89, 0.2);
  padding-top: 10px;
  font-size: 12px;
}

.article-author-ink {
  color: var(--ink-wash-gray);
  font-family: var(--font-wuxia);
}

.btn-read-article-ink {
  color: var(--ink-cinnabar);
  font-weight: 700;
  font-family: var(--font-wuxia);
}

.vertical-carousel-controls {
  display: flex;
  flex-direction: column;
  gap: 12px;
  justify-content: center;
  align-items: center;
}

.vert-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--ink-gold);
  background: rgba(250, 245, 230, 0.9);
  color: var(--ink-charcoal);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.vert-btn:hover {
  border-color: var(--ink-cinnabar);
  color: var(--ink-cinnabar);
  box-shadow: 0 2px 6px rgba(178, 34, 34, 0.1);
}

/* H4 Reviews: Envelope Style User Reviews (Instruction 6) */
.reviews-envelope-container {
  background: #fbf9f4;
  border: 1px solid rgba(197, 160, 89, 0.3);
  border-radius: 4px;
  padding: 30px;
  position: relative;
  overflow: hidden;
  max-width: 800px;
  margin: 0 auto 40px auto;
  min-height: 230px;
  box-shadow: var(--ink-shadow);
}

.wax-seal-icon {
  position: absolute;
  top: 12px;
  left: 20px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 3px double #fff;
  background-color: var(--ink-cinnabar);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-wuxia);
  font-weight: 900;
  font-size: 16px;
  opacity: 0.12;
  pointer-events: none;
  transform: rotate(-10deg);
}

.reviews-wrapper {
  position: relative;
  min-height: 120px;
}

.review-letter-card {
  opacity: 0;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  transition: all 0.6s ease;
  transform: scale(0.97);
  pointer-events: none;
}

.review-letter-card.active {
  opacity: 1;
  position: relative;
  transform: scale(1);
  pointer-events: auto;
}

.letter-paper {
  border-left: 2px solid var(--ink-cinnabar);
  padding-left: 20px;
  margin-left: 10px;
}

.letter-text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-charcoal);
  margin-bottom: 16px;
  font-style: normal;
  font-family: var(--font-wuxia);
  font-weight: 700;
}

.letter-signature {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  font-size: 12px;
}

.signature-name {
  font-size: 13.5px;
  font-weight: bold;
  color: var(--ink-black);
  font-family: var(--font-wuxia);
}

.signature-info {
  color: var(--ink-wash-gray);
}

.reviews-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
}

.reviews-dots .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(197, 160, 89, 0.25);
  cursor: pointer;
  transition: all 0.3s ease;
}

.reviews-dots .dot.active {
  background: var(--ink-cinnabar);
  width: 16px;
  border-radius: 3px;
}

.section-subtitle-unlocked-ink {
  text-align: center;
  font-size: 14px;
  color: var(--ink-cinnabar);
  letter-spacing: 3px;
  font-weight: 700;
  margin-top: 8px;
  font-family: var(--font-wuxia);
}

.unlocked-platforms-grid {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  max-width: 900px;
  margin: 0 auto;
}

.platform-badge-ink {
  background: #fdfaf2;
  border: 1px dashed rgba(197, 160, 89, 0.4);
  border-radius: 2px;
  padding: 10px 18px;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
}

.platform-badge-ink:hover {
  border-color: var(--ink-cinnabar);
  transform: translateY(-2px);
  box-shadow: var(--ink-shadow);
}

.platform-icon-ink {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-cinnabar);
}

.platform-name-ink {
  font-size: 12px;
  color: var(--ink-charcoal);
  font-weight: bold;
  font-family: var(--font-wuxia);
}

/* H5 FAQ Folders Accordion & Astrolabe compass Speedtest (Instruction 7) */
.faq-nodes-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.faq-card-ink {
  background: #fcf9f2;
  border: 1px solid rgba(197, 160, 89, 0.3);
  border-radius: 4px;
  padding: 24px;
  box-shadow: var(--ink-shadow);
}

.faq-card-title-ink {
  font-family: var(--font-wuxia);
  font-size: 18px;
  color: var(--ink-cinnabar);
  margin-bottom: 16px;
  border-bottom: 1px dashed rgba(197, 160, 89, 0.3);
  padding-bottom: 8px;
  letter-spacing: 1px;
}

.faq-item-ink {
  border-bottom: 1px dashed rgba(197, 160, 89, 0.15);
  padding: 14px 0;
  cursor: pointer;
}

.faq-item-ink:last-child {
  border: none;
}

.faq-question-ink {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink-black);
  transition: color 0.3s ease;
  font-family: var(--font-wuxia);
}

.faq-item-ink:hover .faq-question-ink {
  color: var(--ink-cinnabar);
}

.faq-arrow-ink {
  color: var(--ink-gold);
  font-size: 12px;
  transition: transform 0.3s ease;
}

.faq-item-ink.active .faq-arrow-ink {
  transform: rotate(180deg);
  color: var(--ink-cinnabar);
}

.faq-answer-ink {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.165, 0.84, 0.44, 1), margin-top 0.3s ease;
  color: var(--ink-charcoal);
  font-size: 13px;
  line-height: 1.65;
}

.faq-item-ink.active .faq-answer-ink {
  max-height: 120px;
  margin-top: 10px;
}

/* Bronze Compass/Astrolabe Speed widget right side */
.astrolabe-panel {
  background: #fdfaf2;
  border: 2px solid var(--ink-gold);
  border-radius: 4px;
  padding: 24px;
  box-shadow: var(--ink-shadow);
}

.astrolabe-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  border-bottom: 1px dashed rgba(197, 160, 89, 0.3);
  padding-bottom: 8px;
}

.astrolabe-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 15px;
  font-family: var(--font-wuxia);
  color: var(--ink-black);
}

.yin-yang-icon {
  font-size: 18px;
  color: var(--ink-black);
}

.refresh-status-ink {
  font-size: 11px;
  color: var(--ink-cinnabar);
  background: rgba(178, 34, 34, 0.05);
  border: 1px solid rgba(178, 34, 34, 0.2);
  padding: 2px 8px;
  border-radius: 2px;
  font-family: var(--font-wuxia);
}

.astrolabe-nodes-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.speed-row-ink {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #fbf9f4;
  border: 1px solid rgba(197, 160, 89, 0.15);
  padding: 10px 12px;
  border-radius: 2px;
  transition: all 0.3s ease;
}

.speed-row-ink:hover {
  background: #faf7ef;
  border-color: rgba(178, 34, 34, 0.25);
}

.row-left-ink {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Classical seal stamps as country indicators */
.seal-tag-hk, .seal-tag-jp, .seal-tag-sg, .seal-tag-us {
  width: 22px;
  height: 22px;
  border: 1px solid var(--ink-cinnabar);
  color: var(--ink-cinnabar);
  border-radius: 2px;
  font-size: 11px;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-wuxia);
}

.seal-tag-jp { border-color: var(--ink-charcoal); color: var(--ink-charcoal); }
.seal-tag-sg { border-color: var(--ink-bamboo); color: var(--ink-bamboo); }
.seal-tag-us { border-color: var(--ink-gold); color: var(--ink-gold); }

.node-name-ink {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-black);
}

.row-right-ink {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  min-width: 90px;
}

.node-ping-ink {
  font-size: 12px;
  font-weight: bold;
  font-family: var(--font-cyber);
}

.node-ping-ink.excellent { color: #2e7d32; }
.node-ping-ink.good { color: var(--ink-gold); }
.node-ping-ink.normal { color: var(--ink-cinnabar); }

.node-bandwidth-ink {
  font-size: 11px;
  color: var(--ink-wash-gray);
  font-family: var(--font-cyber);
}

.node-progress-bar-ink {
  height: 3px;
  width: 70px;
  background: rgba(197, 160, 89, 0.15);
  border-radius: 1px;
  overflow: hidden;
  margin-top: 3px;
}

.node-progress-fill-ink {
  height: 100%;
  background: linear-gradient(90deg, var(--ink-charcoal), var(--ink-wash-gray));
  width: 0;
  transition: width 1.2s cubic-bezier(0.1, 0.8, 0.2, 1);
}

/* H6 Protected All Devices: Royal Jade Seal (Instruction 8) */
.device-protection-banner {
  text-align: center;
  padding: 80px 0;
  background: radial-gradient(circle at center, rgba(197, 160, 89, 0.05) 0%, transparent 60%);
  border-top: 2px double rgba(197, 160, 89, 0.2);
}

.imperial-seal-graphic {
  display: flex;
  justify-content: center;
  margin-bottom: 24px;
}

.seal-box {
  width: 72px;
  height: 72px;
  border: 4px solid var(--ink-cinnabar);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  animation: sealPulse 4s infinite ease-in-out;
  background: transparent;
  user-select: none;
}

@keyframes sealPulse {
  0% { transform: scale(1) rotate(0deg); opacity: 0.8; }
  50% { transform: scale(1.04) rotate(4deg); opacity: 1; box-shadow: 0 4px 15px rgba(178, 34, 34, 0.15); }
  100% { transform: scale(1) rotate(0deg); opacity: 0.8; }
}

.seal-text-vertical {
  font-family: var(--font-wuxia);
  font-size: 13px;
  font-weight: 900;
  color: var(--ink-cinnabar);
  writing-mode: vertical-rl;
  text-align: center;
  letter-spacing: 2px;
  line-height: 1.1;
}

.protection-heading-calligraphy {
  font-family: var(--font-wuxia);
  font-size: 28px;
  font-weight: 900;
  margin-bottom: 10px;
  letter-spacing: 2px;
  color: var(--ink-black);
}

.protection-subtext-ink {
  font-size: 14.5px;
  color: var(--ink-cinnabar);
  margin-bottom: 28px;
  letter-spacing: 2px;
  font-weight: bold;
  font-family: var(--font-wuxia);
}

.device-badges-ink {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  max-width: 700px;
  margin: 0 auto;
}

.device-badge-ink {
  background: #fdfaf2;
  border: 1px dashed rgba(197, 160, 89, 0.35);
  padding: 5px 14px;
  border-radius: 2px;
  font-size: 12px;
  color: var(--ink-charcoal);
  font-family: var(--font-wuxia);
  font-weight: bold;
}

/* FOOTER & Dofollow Friendships Backlinks (Instruction 8 / Core Task 2) */
footer {
  padding: 50px 0 24px 0;
  border-top: 2px double rgba(197, 160, 89, 0.25);
  background: #171512;   /* Deep Charcoal-Brown */
  color: #dcd4be;
  position: relative;
  z-index: 10;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.footer-logo-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-logo-icon {
  width: 26px;
  height: 26px;
  filter: sepia(0.6) brightness(1.2);
}

.footer-logo-text {
  font-family: var(--font-wuxia);
  font-size: 18px;
  font-weight: bold;
}

.footer-nav {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
}

.footer-nav a {
  font-size: 13px;
  color: #b5ac97;
  text-decoration: none;
  transition: color 0.3s ease;
  font-family: var(--font-wuxia);
}

.footer-nav a:hover {
  color: var(--ink-cinnabar);
}

.footer-copyright {
  border-top: 1px solid rgba(197, 160, 89, 0.1);
  width: 100%;
  padding-top: 16px;
  text-align: center;
  font-size: 12px;
  color: #9c937f;
}

/* PBN weights friendship area in footers */
.friend-links-area {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
  font-size: 11.5px;
  color: rgba(156, 147, 127, 0.5);
}

.friend-links-area a {
  color: #b5ac97;
  text-decoration: none;
  transition: all 0.3s ease;
}

.friend-links-area a:hover {
  color: var(--ink-cinnabar);
  text-shadow: 0 0 3px var(--ink-cinnabar);
}

.link-divider {
  color: rgba(197, 160, 89, 0.2);
}

/* RESPONSIVE LAYOUT */
@media (max-width: 1024px) {
  .hero-section {
    grid-template-columns: 1fr;
    gap: 36px;
    text-align: center;
  }
  .h1-wrapper {
    justify-content: center;
  }
  .hero-description {
    margin: 0 auto 30px auto;
  }
  .hero-cta {
    justify-content: center;
  }
  .hero-decoration-panel {
    order: -1;
  }
  .pricing-carousel-wrapper {
    grid-template-columns: repeat(4, 280px);
    overflow-x: auto;
    padding-bottom: 16px;
  }
  .vertical-articles-carousel-container {
    grid-template-columns: 1fr 60px;
    height: auto;
    gap: 16px;
  }
  .vertical-timeline-track {
    display: none;
  }
  .article-deck-card-ink {
    position: relative;
    opacity: 1;
    transform: none;
    pointer-events: auto;
    display: flex;
    margin-bottom: 20px;
    height: auto;
  }
  .article-deck-card-ink.prev-card, .article-deck-card-ink.next-card {
    display: none;
  }
  .vertical-carousel-controls {
    display: none;
  }
  .faq-nodes-container {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 768px) {
  .top-stats-inner {
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
  }
  .header-inner {
    flex-direction: column;
    gap: 14px;
  }
  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
  }
  .hero-content h1 {
    font-size: 30px;
  }
  .section-title {
    font-size: 24px;
  }
  .reviews-envelope-container {
    padding: 20px;
  }
  .platform-badge-ink {
    padding: 8px 14px;
  }
  .faq-card-ink, .astrolabe-panel {
    padding: 16px;
  }
  .protection-heading-calligraphy {
    font-size: 20px;
  }
  .device-badges-ink {
    gap: 8px;
  }
}