/* ==========================================================
   魔戒.net - 中式水墨极简 (Chinese Ink Wash Zen Theme)
   mojieyun.mom 专用东方禅意原生样式表
   ========================================================== */

@import url('https://fonts.googleapis.com/css2?family=EB+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400;1,600&family=Noto+Serif+SC:wght@300;400;500;600;700;900&family=Ma+Shan+Zheng&display=swap');

:root {
  --bg-xuan: #f6f1e7;
  --bg-card: rgba(255, 255, 255, 0.7);
  --bg-card-hover: rgba(255, 255, 255, 0.92);
  --ink-primary: #1c1a17;
  --ink-secondary: #423e38;
  --ink-muted: #6e675f;
  --ink-dim: #9a9388;
  --cinnabar: #c23b22;
  --cinnabar-light: #d6452b;
  --cinnabar-bg: rgba(194, 59, 34, 0.08);
  --ink-line: rgba(28, 26, 23, 0.12);
  --font-serif-en: 'EB Garamond', serif;
  --font-serif-cn: 'Noto Serif SC', 'Songti SC', SimSun, serif;
  --font-brush: 'Ma Shan Zheng', cursive, serif;
  --radius-sm: 2px;
  --radius-md: 4px;
  --transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-xuan);
}

body {
  background-color: var(--bg-xuan);
  color: var(--ink-primary);
  font-family: var(--font-serif-cn);
  font-weight: 400;
  line-height: 1.85;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Subtle Xuan Paper Texture & Ink Stains */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 15% 25%, rgba(28, 26, 23, 0.02) 0%, transparent 40%),
    radial-gradient(circle at 85% 75%, rgba(28, 26, 23, 0.025) 0%, transparent 45%),
    radial-gradient(circle at 50% 50%, rgba(194, 59, 34, 0.015) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Header & Nav */
.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  background: rgba(246, 241, 231, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--ink-line);
  z-index: 100;
  padding: 16px 0;
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-logo {
  font-family: var(--font-serif-cn);
  font-size: 1.35rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--ink-primary);
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.08em;
}

/* Cinnabar Square Seal Stamp */
.seal-stamp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--cinnabar);
  color: #fff;
  font-family: var(--font-serif-cn);
  font-size: 0.72rem;
  font-weight: 900;
  padding: 2px 5px;
  border-radius: var(--radius-sm);
  line-height: 1.1;
  letter-spacing: 0.1em;
  box-shadow: inset 0 0 4px rgba(0, 0, 0, 0.2);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.main-nav a {
  color: var(--ink-secondary);
  text-decoration: none;
  font-size: 0.94rem;
  transition: var(--transition);
  position: relative;
  letter-spacing: 0.05em;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--cinnabar);
}

.main-nav a.nav-news {
  color: var(--cinnabar);
  border: 1px solid rgba(194, 59, 34, 0.35);
  padding: 4px 14px;
  border-radius: var(--radius-sm);
  background: var(--cinnabar-bg);
}

.main-nav a.nav-news:hover {
  background: rgba(194, 59, 34, 0.15);
}

.nav-cta-btn {
  background-color: var(--ink-primary) !important;
  color: #f6f1e7 !important;
  font-weight: 500 !important;
  padding: 6px 18px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.08em;
  transition: var(--transition);
}

.nav-cta-btn:hover {
  background-color: var(--cinnabar) !important;
  color: #fff !important;
  transform: translateY(-1px);
}

/* Hero Section */
.hero-section {
  padding: 70px 0 60px;
  position: relative;
  text-align: center;
}

/* Vertical Decorative Poetry Banner */
.vertical-scroll-deco {
  position: absolute;
  left: 20px;
  top: 60px;
  writing-mode: vertical-rl;
  letter-spacing: 0.45em;
  font-size: 0.95rem;
  color: var(--ink-muted);
  font-family: var(--font-serif-cn);
  border-right: 1px solid var(--ink-line);
  padding-right: 12px;
  line-height: 2;
  user-select: none;
}

@media (max-width: 1024px) {
  .vertical-scroll-deco {
    display: none;
  }
}

/* Iconic Hand-drawn Enso (圆相) SVG with Stroke-dashoffset animation */
.enso-container {
  width: 180px;
  height: 180px;
  margin: 0 auto 28px;
  position: relative;
}

.enso-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-35deg);
}

.enso-circle {
  stroke-dasharray: 565;
  stroke-dashoffset: 565;
  animation: drawEnso 2.4s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

@keyframes drawEnso {
  to {
    stroke-dashoffset: 65; /* Leave realistic brush open gap */
  }
}

.hero-seal-wrapper {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.hero-title {
  font-family: var(--font-serif-cn);
  font-size: clamp(2rem, 4.4vw, 3.2rem);
  font-weight: 900;
  line-height: 1.35;
  margin-bottom: 20px;
  letter-spacing: 0.04em;
  color: var(--ink-primary);
}

.hero-subtitle {
  font-family: var(--font-serif-en);
  font-style: italic;
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--ink-muted);
  max-width: 780px;
  margin: 0 auto 18px;
  letter-spacing: 0.02em;
}

.hero-intro {
  font-size: 0.98rem;
  color: var(--ink-secondary);
  max-width: 800px;
  margin: 0 auto 36px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.btn-zen {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 34px;
  font-family: var(--font-serif-cn);
  font-size: 0.98rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.08em;
}

.btn-zen-primary {
  background-color: var(--cinnabar);
  color: #fff;
  border: 1px solid var(--cinnabar);
  box-shadow: 0 4px 18px rgba(194, 59, 34, 0.25);
}

.btn-zen-primary:hover {
  background-color: var(--cinnabar-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(194, 59, 34, 0.35);
}

/* Dofollow Hero Check Button for PBN SEO */
.btn-zen-check {
  background-color: #fff;
  color: var(--ink-primary);
  border: 1px solid var(--ink-line);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
}

.btn-zen-check:hover {
  border-color: var(--cinnabar);
  color: var(--cinnabar);
  transform: translateY(-2px);
}

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-label {
  font-family: var(--font-serif-en);
  font-size: 0.76rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--cinnabar);
  margin-bottom: 8px;
  display: block;
}

.section-title {
  font-family: var(--font-serif-cn);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}

.section-desc {
  color: var(--ink-muted);
  font-size: 0.96rem;
  max-width: 640px;
  margin: 0 auto;
}

/* 4 Single-Kanji Feature Cards (剑 Kill Switch, 册 零日志, 盾 AES-256, 影 双重跃迁) */
.features-section {
  padding: 70px 0;
}

.kanji-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.kanji-card {
  background: var(--bg-card);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-sm);
  padding: 34px 24px;
  transition: var(--transition);
  position: relative;
  text-align: center;
}

.kanji-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--cinnabar);
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.06);
}

.kanji-character {
  font-family: var(--font-serif-cn);
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--cinnabar);
  line-height: 1;
  margin-bottom: 14px;
  display: block;
}

.kanji-card h3 {
  font-family: var(--font-serif-cn);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: 0.05em;
}

.kanji-card p {
  color: var(--ink-muted);
  font-size: 0.9rem;
  line-height: 1.75;
  text-align: left;
}

/* Streaming & AI Support Cards */
.media-ai-section {
  padding: 70px 0;
}

.media-ai-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.media-card {
  background: var(--bg-card);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-sm);
  padding: 36px;
  transition: var(--transition);
}

.media-card:hover {
  border-color: var(--cinnabar);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.06);
}

.media-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-family: var(--font-serif-en);
  letter-spacing: 0.2em;
  padding: 2px 10px;
  background: var(--cinnabar-bg);
  border: 1px solid rgba(194, 59, 34, 0.3);
  color: var(--cinnabar);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
}

.media-card h3 {
  font-family: var(--font-serif-cn);
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.media-card p {
  color: var(--ink-muted);
  font-size: 0.92rem;
  line-height: 1.8;
  margin-bottom: 22px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-pill {
  background: rgba(28, 26, 23, 0.04);
  border: 1px solid var(--ink-line);
  color: var(--ink-secondary);
  font-size: 0.8rem;
  padding: 3px 12px;
  border-radius: var(--radius-sm);
}

/* Pricing Section (隐者 $4.99 / 游侠 $7.99 with Red Seal / 贤者 $11.99) */
.pricing-section {
  padding: 80px 0;
}

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

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-sm);
  padding: 40px 30px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.07);
}

/* 游侠 Tier with Red Seal Stamp */
.pricing-card.ranger-tier {
  border: 2px solid var(--cinnabar);
  background: #fff;
  transform: scale(1.02);
}

.pricing-card.ranger-tier:hover {
  transform: scale(1.02) translateY(-4px);
  box-shadow: 0 16px 35px rgba(194, 59, 34, 0.15);
}

.pricing-seal-corner {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 44px;
  height: 44px;
  border: 2px solid var(--cinnabar);
  color: var(--cinnabar);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 900;
  line-height: 1.1;
  text-align: center;
  transform: rotate(6deg);
  letter-spacing: 0.1em;
  user-select: none;
}

.plan-name {
  font-family: var(--font-serif-cn);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
  text-align: center;
}

.plan-price {
  font-family: var(--font-serif-en);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--ink-primary);
  text-align: center;
  margin-bottom: 6px;
}

.plan-price span.period {
  font-family: var(--font-serif-cn);
  font-size: 0.92rem;
  color: var(--ink-dim);
  font-weight: 400;
}

.plan-desc {
  font-size: 0.88rem;
  color: var(--ink-muted);
  text-align: center;
  margin-bottom: 26px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--ink-line);
}

.feature-list {
  list-style: none;
  margin-bottom: 32px;
  flex-grow: 1;
}

.feature-list li {
  font-size: 0.92rem;
  color: var(--ink-secondary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.feature-list li span.ink-bullet {
  color: var(--cinnabar);
  font-size: 0.75rem;
}

.plan-cta {
  margin-top: auto;
}

.plan-cta .btn-zen {
  width: 100%;
}

/* User Reviews */
.reviews-section {
  padding: 70px 0;
}

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

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-sm);
  padding: 30px;
  display: flex;
  flex-direction: column;
}

.review-stars {
  color: var(--cinnabar);
  font-size: 0.95rem;
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.review-content {
  color: var(--ink-secondary);
  font-size: 0.92rem;
  line-height: 1.8;
  margin-bottom: 20px;
  flex-grow: 1;
}

.reviewer-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--ink-line);
  padding-top: 14px;
}

.reviewer-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--cinnabar);
  color: var(--cinnabar);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif-cn);
  font-size: 0.88rem;
  font-weight: 700;
  background: var(--cinnabar-bg);
}

.reviewer-info h4 {
  font-size: 0.9rem;
  font-weight: 600;
}

.reviewer-info p {
  font-size: 0.78rem;
  color: var(--ink-dim);
}

/* FAQ Section */
.faq-section {
  padding: 70px 0 90px;
}

.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-sm);
  padding: 24px 28px;
  transition: var(--transition);
}

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

.faq-question {
  font-family: var(--font-serif-cn);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink-primary);
  margin-bottom: 10px;
}

.faq-answer {
  color: var(--ink-muted);
  font-size: 0.93rem;
  line-height: 1.85;
}

/* Footer Section - STRICTLY ONLY 4 Titles with Seal */
.site-footer {
  border-top: 1px solid var(--ink-line);
  background: #f0eae0;
  padding: 50px 0 40px;
  position: relative;
  z-index: 10;
}

.footer-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.footer-nav a {
  font-family: var(--font-serif-cn);
  color: var(--ink-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  transition: var(--transition);
  padding: 6px 12px;
}

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

.footer-bottom {
  text-align: center;
  color: var(--ink-dim);
  font-size: 0.82rem;
  border-top: 1px solid rgba(28, 26, 23, 0.08);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

/* Diagnostic Check Styles */
.matrix-table-wrap {
  margin: 40px 0;
  overflow-x: auto;
  background: #fff;
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-sm);
  padding: 24px;
}

.matrix-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.matrix-table th {
  font-family: var(--font-serif-cn);
  color: var(--ink-primary);
  font-size: 0.95rem;
  padding: 16px 20px;
  border-bottom: 2px solid var(--ink-primary);
}

.matrix-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--ink-line);
  font-size: 0.92rem;
  color: var(--ink-secondary);
}

.matrix-table tr:hover td {
  background: rgba(194, 59, 34, 0.03);
}

.level-tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 2px;
  font-size: 0.78rem;
  font-weight: 600;
}

.level-extreme {
  background: rgba(194, 59, 34, 0.15);
  color: var(--cinnabar);
  border: 1px solid var(--cinnabar);
}

.level-strict {
  background: rgba(220, 100, 40, 0.12);
  color: #c05020;
  border: 1px solid #c05020;
}

.level-varies {
  background: rgba(80, 120, 180, 0.12);
  color: #3b6090;
  border: 1px solid #3b6090;
}

.level-unknown {
  background: rgba(120, 120, 120, 0.12);
  color: #666;
  border: 1px solid #999;
}

.analysis-card {
  background: #fff;
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-sm);
  padding: 32px;
  margin-bottom: 28px;
}

.analysis-card h3 {
  font-family: var(--font-serif-cn);
  font-size: 1.25rem;
  color: var(--ink-primary);
  margin-bottom: 14px;
}

.analysis-card p, .analysis-card li {
  color: var(--ink-secondary);
  font-size: 0.95rem;
  line-height: 1.85;
}

.analysis-card ul {
  padding-left: 20px;
  margin-top: 10px;
}

/* Article Styles */
.article-container {
  max-width: 860px;
  margin: 50px auto 80px;
  padding: 0 24px;
}

.article-header {
  margin-bottom: 40px;
  text-align: center;
}

.article-header h1 {
  font-family: var(--font-serif-cn);
  font-size: clamp(1.7rem, 3.5vw, 2.5rem);
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 20px;
}

.article-meta {
  color: var(--ink-dim);
  font-size: 0.85rem;
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 25px;
}

.article-body {
  font-size: 1.02rem;
  line-height: 2;
  color: var(--ink-primary);
}

.article-body h2 {
  font-family: var(--font-serif-cn);
  font-size: 1.45rem;
  color: var(--ink-primary);
  margin: 44px 0 18px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--ink-line);
}

.article-body h3 {
  font-family: var(--font-serif-cn);
  font-size: 1.2rem;
  color: var(--cinnabar);
  margin: 28px 0 14px;
}

.article-body p {
  margin-bottom: 22px;
}

.article-body ul, .article-body ol {
  margin: 18px 0 24px 28px;
}

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

.article-body blockquote {
  border-left: 3px solid var(--cinnabar);
  background: var(--cinnabar-bg);
  padding: 16px 22px;
  margin: 28px 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-size: 0.92rem;
}

.article-body th {
  background: rgba(28, 26, 23, 0.05);
  color: var(--ink-primary);
  padding: 12px 16px;
  border: 1px solid var(--ink-line);
  text-align: left;
}

.article-body td {
  padding: 12px 16px;
  border: 1px solid var(--ink-line);
  color: var(--ink-secondary);
}

.article-body a {
  color: var(--cinnabar);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.article-body a:hover {
  color: var(--cinnabar-light);
}

/* Hub Article Grid */
.news-hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
  margin: 40px 0 80px;
}

.news-card {
  background: #fff;
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-sm);
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.news-card:hover {
  transform: translateY(-4px);
  border-color: var(--cinnabar);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.06);
}

.news-card h3 {
  font-family: var(--font-serif-cn);
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.news-card h3 a {
  color: var(--ink-primary);
  text-decoration: none;
  transition: var(--transition);
}

.news-card h3 a:hover {
  color: var(--cinnabar);
}

.news-card p {
  color: var(--ink-muted);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 20px;
  flex-grow: 1;
}

.news-readmore {
  color: var(--cinnabar);
  font-family: var(--font-serif-cn);
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  text-decoration: none;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.news-readmore:hover {
  color: var(--cinnabar-light);
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .kanji-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .media-ai-grid,
  .pricing-grid,
  .reviews-grid {
    grid-template-columns: 1fr;
  }
  .pricing-card.ranger-tier {
    transform: none;
  }
  .pricing-card.ranger-tier:hover {
    transform: translateY(-4px);
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  .btn-zen {
    width: 100%;
    max-width: 360px;
  }
}

@media (max-width: 600px) {
  .kanji-grid {
    grid-template-columns: 1fr;
  }
  .nav-wrapper {
    flex-direction: column;
    gap: 16px;
  }
  .main-nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
  }
  .hero-section {
    padding: 40px 0;
  }
  .enso-container {
    width: 140px;
    height: 140px;
  }
  .footer-nav {
    flex-direction: column;
    gap: 16px;
  }
}