/* Neo-Brutalism Design System for jiuxiao.cfd */
@import url('https://fonts.googleapis.com/css2?family=Archivo+Black&family=Noto+Sans+SC:wght@700;900&family=Space+Mono:ital,wght@0,400;0,700;1,400&display=swap');

:root {
  --bg-bone: #F2EFE6;
  --ink-black: #141414;
  --accent-acid: #D9FF3D;
  --accent-orange: #FF4D00;
  --card-white: #FFFFFF;
  --border-width: 3px;
  --shadow-offset: 8px 8px 0 var(--ink-black);
  --shadow-hover: 12px 12px 0 var(--accent-orange);
  --font-display: 'Archivo Black', sans-serif;
  --font-mono: 'Space Mono', monospace;
  --font-body: 'Noto Sans SC', sans-serif;
}

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

body {
  background-color: var(--bg-bone);
  color: var(--ink-black);
  font-family: var(--font-body);
  font-weight: 700;
  line-height: 1.6;
  overflow-x: hidden;
  cursor: default;
}

/* Custom Cursor */
.custom-cursor {
  width: 20px;
  height: 20px;
  background-color: var(--accent-orange);
  border: 2px solid var(--ink-black);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 99999;
  transform: translate(-50%, -50%);
  transition: transform 0.08s ease, width 0.15s ease, height 0.15s ease;
}

/* Marquee Bar */
.marquee-bar {
  background-color: var(--accent-acid);
  border-bottom: var(--border-width) solid var(--ink-black);
  overflow: hidden;
  white-space: nowrap;
  padding: 10px 0;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 1px;
}

.marquee-inner {
  display: inline-block;
  animation: marqueeScroll 22s linear infinite;
}

@keyframes marqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Sticky Header */
.sticky-header {
  position: sticky;
  top: 0;
  background-color: var(--bg-bone);
  border-bottom: var(--border-width) solid var(--ink-black);
  z-index: 1000;
  padding: 14px 24px;
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo-block {
  background-color: var(--ink-black);
  color: var(--accent-acid);
  font-family: var(--font-display);
  font-size: 1.4rem;
  padding: 8px 16px;
  border: var(--border-width) solid var(--ink-black);
  box-shadow: 4px 4px 0 var(--accent-orange);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform 0.15s ease;
}

.logo-block:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--accent-orange);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 20px;
  align-items: center;
}

.nav-menu a {
  color: var(--ink-black);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  padding: 6px 12px;
  border: 2px solid transparent;
  transition: all 0.15s ease;
}

.nav-menu a:hover {
  background-color: var(--accent-acid);
  border: 2px solid var(--ink-black);
  box-shadow: 3px 3px 0 var(--ink-black);
}

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

/* Neo-Brutalist Buttons */
.btn-brutal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 1rem;
  text-decoration: none;
  padding: 12px 24px;
  border: var(--border-width) solid var(--ink-black);
  box-shadow: var(--shadow-offset);
  transition: all 0.15s ease;
  cursor: pointer;
}

.btn-primary {
  background-color: var(--accent-orange);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: #FF5E1A;
  transform: translate(-4px, -4px);
  box-shadow: var(--shadow-hover);
}

.btn-secondary {
  background-color: var(--accent-acid);
  color: var(--ink-black);
}

.btn-secondary:hover {
  background-color: #E6FF5C;
  transform: translate(-4px, -4px);
  box-shadow: 12px 12px 0 var(--ink-black);
}

.btn-black {
  background-color: var(--ink-black);
  color: var(--accent-acid);
}

.btn-black:hover {
  transform: translate(-4px, -4px);
  box-shadow: 12px 12px 0 var(--accent-orange);
}

/* Main Container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Hero Section */
.hero-section {
  padding: 80px 0 60px;
  border-bottom: var(--border-width) solid var(--ink-black);
  position: relative;
  background-color: var(--bg-bone);
}

.hero-wrapper {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.hero-content h1 {
  font-family: var(--font-display);
  font-size: 3.6rem;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.stroke-text {
  -webkit-text-stroke: 2px var(--ink-black);
  color: transparent;
}

.badge-rotated {
  display: inline-block;
  background-color: var(--accent-acid);
  color: var(--ink-black);
  padding: 2px 12px;
  border: var(--border-width) solid var(--ink-black);
  transform: rotate(-2deg);
  box-shadow: 4px 4px 0 var(--ink-black);
  margin: 0 4px;
}

.hero-subtitle {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--ink-black);
}

.hero-desc {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #333333;
  margin-bottom: 32px;
  max-width: 650px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

/* Rotating Sticker */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.sticker-badge {
  position: absolute;
  top: -30px;
  right: 10px;
  width: 130px;
  height: 130px;
  background-color: var(--accent-acid);
  border: var(--border-width) solid var(--ink-black);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--ink-black);
  box-shadow: 6px 6px 0 var(--ink-black);
  animation: spinSlow 16s linear infinite;
  z-index: 10;
}

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

.hero-terminal {
  background-color: var(--card-white);
  border: var(--border-width) solid var(--ink-black);
  box-shadow: var(--shadow-offset);
  width: 100%;
  padding: 24px;
}

.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 2px solid var(--ink-black);
  padding-bottom: 12px;
  margin-bottom: 20px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.terminal-dots {
  display: flex;
  gap: 8px;
}

.terminal-dot {
  width: 14px;
  height: 14px;
  border: 2px solid var(--ink-black);
  border-radius: 50%;
}

.terminal-dot.red { background-color: #FF5F56; }
.terminal-dot.yellow { background-color: #FFBD2E; }
.terminal-dot.green { background-color: #27C93F; }

.terminal-body {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  line-height: 1.8;
}

.terminal-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px dashed #DDD;
}

.terminal-val {
  color: var(--accent-orange);
  font-weight: 700;
}

/* Section Common */
.section {
  padding: 80px 0;
  border-bottom: var(--border-width) solid var(--ink-black);
}

.section-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 48px;
}

.section-num {
  background-color: var(--ink-black);
  color: var(--accent-acid);
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  padding: 6px 14px;
  border: var(--border-width) solid var(--ink-black);
  box-shadow: 4px 4px 0 var(--accent-orange);
}

.section-title {
  font-family: var(--font-display);
  font-size: 2.4rem;
  letter-spacing: -0.5px;
}

/* Feature Cards */
.cards-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.brutal-card {
  background-color: var(--card-white);
  border: var(--border-width) solid var(--ink-black);
  box-shadow: var(--shadow-offset);
  padding: 36px 28px;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
}

.brutal-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: var(--shadow-hover);
}

.card-icon {
  width: 60px;
  height: 60px;
  background-color: var(--accent-acid);
  border: var(--border-width) solid var(--ink-black);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 24px;
  box-shadow: 4px 4px 0 var(--ink-black);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: 14px;
}

.card-text {
  font-size: 1rem;
  line-height: 1.7;
  color: #444;
}

/* Media & AI Cards */
.media-ai-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.media-badge-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.media-tag {
  background-color: var(--bg-bone);
  border: 2px solid var(--ink-black);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 4px 10px;
  font-weight: 700;
}

/* Pricing Grid */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  align-items: stretch;
}

.pricing-card {
  background-color: var(--card-white);
  border: var(--border-width) solid var(--ink-black);
  box-shadow: var(--shadow-offset);
  padding: 40px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: all 0.2s ease;
}

.pricing-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: var(--shadow-hover);
}

/* Inverted Featured Card */
.pricing-card.featured {
  background-color: var(--ink-black);
  color: var(--bg-bone);
  border: var(--border-width) solid var(--ink-black);
  box-shadow: 12px 12px 0 var(--accent-acid);
  transform: scale(1.03);
}

.pricing-card.featured:hover {
  transform: scale(1.03) translate(-4px, -4px);
  box-shadow: 16px 16px 0 var(--accent-orange);
}

.featured-ribbon {
  position: absolute;
  top: -18px;
  right: 20px;
  background-color: var(--accent-acid);
  color: var(--ink-black);
  font-family: var(--font-display);
  font-size: 0.85rem;
  padding: 6px 14px;
  border: 2px solid var(--ink-black);
  box-shadow: 3px 3px 0 var(--ink-black);
}

.price-tier-name {
  font-family: var(--font-display);
  font-size: 1.6rem;
  margin-bottom: 8px;
}

.price-amount {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 700;
  margin: 16px 0 24px;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.price-currency {
  font-size: 1.6rem;
}

.price-period {
  font-size: 1rem;
  color: #777;
}

.pricing-card.featured .price-amount {
  color: var(--accent-acid);
}

.pricing-card.featured .price-period {
  color: #AAA;
}

.pricing-features {
  list-style: none;
  margin-bottom: 32px;
  font-size: 0.98rem;
  line-height: 2.2;
}

.pricing-features li::before {
  content: "✔ ";
  color: var(--accent-orange);
  font-weight: 900;
}

.pricing-card.featured .pricing-features li::before {
  content: "✔ ";
  color: var(--accent-acid);
}

/* Reviews Grid */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.review-card {
  background-color: var(--card-white);
  border: var(--border-width) solid var(--ink-black);
  box-shadow: 6px 6px 0 var(--ink-black);
  padding: 28px;
}

.review-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.review-avatar {
  width: 48px;
  height: 48px;
  background-color: var(--accent-acid);
  border: 2px solid var(--ink-black);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.1rem;
}

.review-user {
  font-family: var(--font-mono);
  font-weight: 700;
}

.review-stars {
  color: var(--accent-orange);
  font-size: 1.1rem;
}

/* FAQ Accordion */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 960px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--card-white);
  border: var(--border-width) solid var(--ink-black);
  box-shadow: 6px 6px 0 var(--ink-black);
  padding: 24px 28px;
}

.faq-question {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-answer {
  font-size: 1.02rem;
  color: #444;
  line-height: 1.8;
}

/* Footer: STRICTLY ONLY 4 TITLES OPENING IN NEW TAB */
.site-footer {
  background-color: var(--ink-black);
  color: var(--bg-bone);
  border-top: var(--border-width) solid var(--ink-black);
  padding: 48px 0;
}

.footer-nav-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

.footer-link {
  color: var(--bg-bone);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  padding: 8px 16px;
  border: 2px solid transparent;
  transition: all 0.15s ease;
}

.footer-link:hover {
  background-color: var(--accent-acid);
  color: var(--ink-black);
  border: 2px solid var(--accent-acid);
  box-shadow: 4px 4px 0 var(--accent-orange);
}

/* Stamp Effect */
.stamp-overlay {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(3) rotate(-15deg);
  border: 8px solid var(--accent-orange);
  color: var(--accent-orange);
  font-family: var(--font-display);
  font-size: 3.5rem;
  padding: 16px 36px;
  border-radius: 12px;
  text-transform: uppercase;
  letter-spacing: 4px;
  pointer-events: none;
  z-index: 999999;
  opacity: 0;
  transition: transform 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.2s ease;
  box-shadow: 0 0 40px rgba(255, 77, 0, 0.4);
  background-color: rgba(255, 255, 255, 0.9);
}

.stamp-overlay.active {
  transform: translate(-50%, -50%) scale(1) rotate(-8deg);
  opacity: 1;
}

/* Article / Sub-pages Styling */
.article-main {
  padding: 60px 0 80px;
  background-color: var(--bg-bone);
}

.article-box {
  background-color: var(--card-white);
  border: var(--border-width) solid var(--ink-black);
  box-shadow: var(--shadow-offset);
  padding: 48px;
  max-width: 980px;
  margin: 0 auto;
}

.breadcrumb-nav {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.breadcrumb-nav a {
  color: var(--ink-black);
  text-decoration: underline;
}

.article-header {
  border-bottom: 2px solid var(--ink-black);
  padding-bottom: 24px;
  margin-bottom: 36px;
}

.article-header h1 {
  font-family: var(--font-display);
  font-size: 2.4rem;
  line-height: 1.25;
  margin-bottom: 16px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: #555;
}

.article-body {
  font-size: 1.08rem;
  line-height: 2;
  color: #222;
}

.article-body h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  margin: 36px 0 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--ink-black);
}

.article-body h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin: 24px 0 12px;
}

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

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

.article-body li {
  margin-bottom: 10px;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  border: var(--border-width) solid var(--ink-black);
}

.article-body th, .article-body td {
  border: 1px solid var(--ink-black);
  padding: 12px 16px;
  text-align: left;
}

.article-body th {
  background-color: var(--accent-acid);
  font-family: var(--font-display);
}

/* Diagnostic / Check Tool */
.diag-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin: 40px 0;
}

.diag-card {
  background-color: var(--card-white);
  border: var(--border-width) solid var(--ink-black);
  box-shadow: 6px 6px 0 var(--ink-black);
  padding: 32px;
}

.diag-card-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.diag-action-box {
  background-color: var(--accent-acid);
  border: var(--border-width) solid var(--ink-black);
  padding: 32px;
  box-shadow: var(--shadow-offset);
  text-align: center;
  margin-top: 36px;
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .hero-wrapper {
    grid-template-columns: 1fr;
  }
  .hero-content h1 {
    font-size: 2.8rem;
  }
  .cards-grid-3, .pricing-grid, .reviews-grid {
    grid-template-columns: 1fr;
  }
  .media-ai-grid, .diag-grid {
    grid-template-columns: 1fr;
  }
  .pricing-card.featured {
    transform: none;
  }
  .pricing-card.featured:hover {
    transform: translate(-4px, -4px);
  }
}

@media (max-width: 768px) {
  .sticky-header {
    padding: 12px 16px;
  }
  .nav-container {
    flex-wrap: wrap;
  }
  .nav-menu {
    gap: 10px;
    flex-wrap: wrap;
  }
  .hero-content h1 {
    font-size: 2.2rem;
  }
  .btn-brutal {
    width: 100%;
    padding: 14px 20px;
  }
  .article-box {
    padding: 24px 18px;
  }
  .custom-cursor {
    display: none;
  }
  .footer-nav-container {
    flex-direction: column;
    gap: 16px;
  }
}