/* ====================================================================
   IKUUU - Global JRPG Fantasy Interface Stylesheet (Style ㊸)
   Design Language: JRPG / Fantasy UI / Quest System / Character Progression
   Zero external fonts, zero external CDN, mobile-first, high performance (<60KB)
   ==================================================================== */

:root {
  --color-bg: #070b14;
  --color-bg-alt: #0b1120;
  --color-surface: #0f172a;
  --color-surface-subtle: #162035;
  --color-surface-card: #111a2e;
  
  --color-text: #f8fafc;
  --color-text-muted: #cbd5e1;
  --color-text-light: #94a3b8;
  
  --color-border: #1e293b;
  --color-border-subtle: #2a3854;
  --color-gold: #f59e0b;
  --color-gold-light: #fbbf24;
  --color-gold-dark: #b45309;
  --color-gold-glow: rgba(245, 158, 11, 0.25);
  
  --color-primary: #3b82f6;
  --color-primary-hover: #60a5fa;
  --color-primary-glow: rgba(59, 130, 246, 0.35);
  --color-primary-dark: #1d4ed8;
  --color-purple: #7c3aed;
  --color-purple-dark: #4c1d95;
  --color-emerald: #10b981;
  --color-crimson: #ef4444;

  --font-system: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  --shadow-rpg: 0 4px 20px rgba(0, 0, 0, 0.5), 0 0 1px 1px rgba(245, 158, 11, 0.15);
  --shadow-glow-blue: 0 0 25px rgba(59, 130, 246, 0.25);
  --shadow-glow-gold: 0 0 25px rgba(245, 158, 11, 0.35);
  
  --max-width: 1140px;
  --max-width-narrow: 840px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-system);
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image: 
    radial-gradient(circle at 50% 0%, #172554 0%, transparent 60%),
    radial-gradient(circle at 10% 30%, #1e1b4b 0%, transparent 40%),
    radial-gradient(circle at 90% 70%, #1e1b4b 0%, transparent 50%),
    linear-gradient(180deg, #070b14 0%, #0b1120 100%);
  background-attachment: fixed;
  line-height: 1.68;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img, svg {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-gold-light);
  text-decoration: none;
  transition: all 0.18s ease;
}

a:hover {
  color: #ffffff;
  text-shadow: 0 0 8px var(--color-gold-glow);
  text-decoration: none;
}

:focus-visible {
  outline: 2px solid var(--color-gold-light);
  outline-offset: 3px;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.container-narrow {
  width: 100%;
  max-width: var(--max-width-narrow);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* Typography Helpers */
h1, h2, h3, h4 {
  color: #ffffff;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.5px;
}

h1 {
  font-size: 2.25rem;
  margin-bottom: 1.1rem;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.7), 0 0 25px rgba(59, 130, 246, 0.3);
}

h2 {
  font-size: 1.75rem;
  margin-bottom: 0.85rem;
  position: relative;
  display: inline-block;
}

h3 {
  font-size: 1.3rem;
  margin-bottom: 0.65rem;
  color: var(--color-gold-light);
}

p {
  margin-bottom: 1.1rem;
}

/* JRPG Quest Chapter Subtitle Badge */
.quest-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 12px;
  border-radius: var(--radius-sm);
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid var(--color-gold-dark);
  color: var(--color-gold-light);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 10px;
}

/* Section Header */
.section-head {
  text-align: center;
  margin-bottom: 44px;
}

.section-head h2 {
  color: #ffffff;
  margin-bottom: 12px;
}

.section-head h2::after {
  content: "";
  display: block;
  width: 50px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
  margin: 10px auto 0;
}

.section-head p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

/* JRPG Action Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  padding: 12px 28px;
  min-height: 48px;
  min-width: 44px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
  white-space: nowrap;
  letter-spacing: 0.5px;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(180deg, #2563eb 0%, #1d4ed8 100%);
  color: #ffffff;
  border: 1px solid var(--color-gold);
  box-shadow: 0 4px 14px rgba(29, 78, 216, 0.4), inset 0 1px 1px rgba(255, 255, 255, 0.3);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.btn-primary:hover {
  background: linear-gradient(180deg, #3b82f6 0%, #2563eb 100%);
  border-color: var(--color-gold-light);
  box-shadow: 0 0 20px rgba(245, 158, 11, 0.5), inset 0 1px 1px rgba(255, 255, 255, 0.5);
  color: #ffffff;
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--color-surface-subtle);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border-subtle);
}

.btn-secondary:hover {
  background: var(--color-surface-card);
  color: var(--color-gold-light);
  border-color: var(--color-gold-dark);
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.2);
  transform: translateY(-1px);
}

.btn-large {
  padding: 14px 34px;
  font-size: 1.1rem;
  min-height: 52px;
}

.btn-block {
  display: flex;
  width: 100%;
}

/* Header & Navigation (JRPG Guild Banner Bar) */
.site-header {
  background-color: rgba(7, 11, 20, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(245, 158, 11, 0.25);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.brand-logo {
  font-size: 1.55rem;
  font-weight: 900;
  letter-spacing: 1px;
  color: var(--color-gold-light);
  text-shadow: 0 0 12px rgba(245, 158, 11, 0.4);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
}

.brand-logo svg {
  color: var(--color-gold);
}

.brand-logo:hover {
  color: #ffffff;
  text-shadow: 0 0 18px rgba(245, 158, 11, 0.7);
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 28px;
}

.nav-menu a {
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: 0.96rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 6px;
  position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--color-gold-light);
}

.nav-menu a.active::after {
  content: "♦";
  position: absolute;
  bottom: 6px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.6rem;
  color: var(--color-gold);
}

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

.mobile-toggle {
  display: none;
  background: var(--color-surface-subtle);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  min-width: 44px;
  min-height: 44px;
  cursor: pointer;
  font-size: 1.25rem;
  color: var(--color-gold-light);
  align-items: center;
  justify-content: center;
}

/* Hero Section (JRPG Astral Gateway / Portal Theme) */
.hero-section {
  padding: 72px 0 60px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(245, 158, 11, 0.2);
}

.hero-wrap {
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: 2.6rem;
  line-height: 1.25;
  margin-bottom: 20px;
  background: linear-gradient(180deg, #ffffff 30%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.18rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-bottom: 36px;
}

.hero-notice {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  color: var(--color-text-light);
  font-size: 0.92rem;
  flex-wrap: wrap;
}

.hero-notice span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(15, 23, 42, 0.6);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.hero-notice span b {
  color: var(--color-gold);
}

/* JRPG Astral Portal Frame */
.hero-portal-wrap {
  margin-top: 40px;
  display: flex;
  justify-content: center;
  filter: drop-shadow(0 0 20px rgba(59, 130, 246, 0.35));
}

/* Scenarios Section (JRPG Quests) */
.scenarios-section {
  padding: 64px 0;
  position: relative;
}

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

/* JRPG Item Frame Card */
.scenario-card {
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  box-shadow: var(--shadow-rpg);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.scenario-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-gold-dark), transparent);
}

.scenario-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-gold-dark);
}

.scenario-badge {
  display: inline-block;
  align-self: flex-start;
  padding: 3px 10px;
  background-color: rgba(37, 99, 235, 0.2);
  color: var(--color-primary-hover);
  border: 1px solid rgba(59, 130, 246, 0.4);
  font-size: 0.82rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  letter-spacing: 0.5px;
}

.scenario-title {
  font-size: 1.25rem;
  margin-bottom: 10px;
  color: #ffffff;
}

.scenario-device {
  font-size: 0.88rem;
  color: var(--color-gold-light);
  font-weight: 500;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--color-border-subtle);
  display: flex;
  align-items: center;
  gap: 6px;
}

.scenario-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
  line-height: 1.7;
}

/* Features Section (JRPG Skills / Innate Talents) */
.features-section {
  padding: 64px 0;
  background-color: rgba(11, 17, 32, 0.8);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}

.feature-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 30px;
  box-shadow: var(--shadow-rpg);
  position: relative;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-2px);
  border-color: rgba(245, 158, 11, 0.4);
}

.feature-icon-wrap {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-sm);
  background: radial-gradient(circle at 30% 30%, #1e3a8a, #0f172a);
  border: 1px solid var(--color-gold-dark);
  color: var(--color-gold-light);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.2);
}

.feature-title {
  font-size: 1.3rem;
  margin-bottom: 10px;
  color: #ffffff;
}

.feature-desc {
  font-size: 0.96rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
  line-height: 1.68;
}

/* Streaming & AI Support Section (JRPG World Realms) */
.support-section {
  padding: 64px 0;
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}

.support-card {
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-rpg);
  position: relative;
}

.support-card::before {
  content: "♦";
  position: absolute;
  top: 14px;
  right: 18px;
  color: var(--color-gold-dark);
  font-size: 0.8rem;
}

.support-card h3 {
  font-size: 1.32rem;
  margin-bottom: 12px;
  color: #ffffff;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.tech-tag {
  background-color: var(--color-surface-subtle);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border-subtle);
  padding: 6px 14px;
  font-size: 0.88rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.tech-tag:hover {
  border-color: var(--color-gold);
  color: #ffffff;
}

/* Benefits Section (JRPG Status / Attributes Table) */
.benefits-section {
  padding: 64px 0;
  background-color: rgba(11, 17, 32, 0.8);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.comparison-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  background-color: var(--color-surface-card);
  box-shadow: var(--shadow-rpg);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.96rem;
}

.comparison-table th,
.comparison-table td {
  padding: 16px 22px;
  border-bottom: 1px solid var(--color-border);
}

.comparison-table th {
  background-color: var(--color-surface-subtle);
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.5px;
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.highlight-col {
  background-color: rgba(37, 99, 235, 0.1);
  font-weight: 600;
  color: #93c5fd;
  border-left: 1px solid rgba(59, 130, 246, 0.3);
  border-right: 1px solid rgba(59, 130, 246, 0.3);
}

/* Pricing Section (JRPG Gear / Character Rank Upgrade) */
.pricing-section {
  padding: 72px 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  align-items: stretch;
}

.pricing-card {
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: 34px 26px;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow-rpg);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.pricing-card:hover {
  border-color: var(--color-gold-dark);
}

/* Featured / Recommended Tier: Hero Tier with Legendary Ornate Gold Border */
.pricing-card.featured {
  background: linear-gradient(180deg, #131c31 0%, #0f172a 100%);
  border: 2px solid var(--color-gold);
  box-shadow: var(--shadow-glow-gold), var(--shadow-rpg);
  transform: scale(1.03);
}

.pricing-ribbon {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(90deg, #b45309, #f59e0b, #b45309);
  color: #000000;
  font-size: 0.8rem;
  font-weight: 900;
  padding: 4px 18px;
  border-radius: 20px;
  letter-spacing: 1px;
  text-transform: uppercase;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.pricing-target {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-gold);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.pricing-title {
  font-size: 1.45rem;
  margin-bottom: 8px;
  color: #ffffff;
}

.pricing-desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin-bottom: 20px;
  min-height: 44px;
}

.pricing-price {
  font-size: 2.3rem;
  font-weight: 900;
  color: var(--color-gold-light);
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-border);
  text-shadow: 0 0 10px rgba(245, 158, 11, 0.2);
}

.pricing-price span {
  font-size: 0.95rem;
  font-weight: normal;
  color: var(--color-text-light);
}

.pricing-list {
  list-style: none;
  margin-bottom: 28px;
  flex-grow: 1;
}

.pricing-list li {
  font-size: 0.94rem;
  color: var(--color-text-muted);
  margin-bottom: 12px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.pricing-list li::before {
  content: "♦";
  color: var(--color-gold);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* FAQ Section (JRPG Tome / Grimoire of Knowledge) */
.faq-section {
  padding: 68px 0;
  background-color: rgba(11, 17, 32, 0.8);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

details.faq-item {
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  background-color: var(--color-surface);
  overflow: hidden;
  transition: all 0.2s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

details.faq-item[open] {
  border-color: var(--color-gold-dark);
  background-color: var(--color-surface-card);
  box-shadow: 0 0 16px rgba(245, 158, 11, 0.15);
}

summary.faq-question {
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
  padding: 18px 22px;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 50px;
  user-select: none;
}

summary.faq-question::-webkit-details-marker {
  display: none;
}

summary.faq-question::after {
  content: "✦";
  font-size: 1.2rem;
  color: var(--color-gold);
  transition: transform 0.2s ease, color 0.2s ease;
}

details.faq-item[open] summary.faq-question::after {
  content: "✧";
  color: var(--color-gold-light);
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 22px 22px;
  font-size: 0.98rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  margin-top: 4px;
}

/* Final CTA Section (JRPG Final Quest Summoning) */
.final-cta-section {
  padding: 80px 0;
  background: radial-gradient(circle at 50% 50%, #172554 0%, var(--color-bg) 80%);
  text-align: center;
  position: relative;
}

.final-cta-box {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 32px;
  border: 1px solid var(--color-gold-dark);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, #111a2e 0%, #0c1222 100%);
  box-shadow: 0 0 35px rgba(245, 158, 11, 0.2), var(--shadow-rpg);
  position: relative;
}

.final-cta-box::before {
  content: "✦ QUEST COMPLETE ✦";
  display: block;
  font-size: 0.8rem;
  letter-spacing: 2px;
  color: var(--color-gold);
  font-weight: 800;
  margin-bottom: 12px;
}

.final-cta-box h2 {
  font-size: 2rem;
  margin-bottom: 16px;
  color: #ffffff;
}

.final-cta-box p {
  font-size: 1.08rem;
  color: var(--color-text-muted);
  margin-bottom: 30px;
}

/* Site Footer (JRPG Minimal Chronicle Bar) */
.site-footer {
  background-color: #05080f;
  border-top: 1px solid rgba(245, 158, 11, 0.2);
  padding: 50px 0 34px;
  font-size: 0.92rem;
  color: var(--color-text-light);
}

.footer-nav-list {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 26px;
  list-style: none;
  margin-bottom: 24px;
}

.footer-nav-list a {
  color: var(--color-text-muted);
  text-decoration: none;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.footer-nav-list a:hover {
  color: var(--color-gold-light);
}

.footer-disclosure {
  text-align: center;
  font-size: 0.88rem;
  color: var(--color-text-light);
  margin-bottom: 14px;
}

.footer-copyright {
  text-align: center;
  font-size: 0.85rem;
  color: #64748b;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 22px;
}

/* Mobile Sticky Bottom CTA (JRPG Action Bar) */
.mobile-sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(11, 17, 32, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-gold-dark);
  padding: 10px 18px;
  z-index: 999;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.7);
  transform: translateY(100%);
  transition: transform 0.25s ease;
}

.mobile-sticky-cta.visible {
  display: block;
  transform: translateY(0);
}

.mobile-sticky-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.mobile-sticky-text {
  font-size: 0.92rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.3;
}

.mobile-sticky-sub {
  font-size: 0.76rem;
  color: var(--color-gold-light);
  font-weight: normal;
}

/* ====================================================================
   Inner Pages & SEO Articles Styles (JRPG Codex Theme)
   ==================================================================== */

.page-header {
  padding: 48px 0 32px;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.9) 0%, transparent 100%);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 40px;
}

.breadcrumb {
  font-size: 0.88rem;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

.breadcrumb a {
  color: var(--color-text-light);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.breadcrumb a:hover {
  color: var(--color-gold-light);
}

.breadcrumb span {
  margin: 0 6px;
  color: var(--color-gold-dark);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.88rem;
  color: var(--color-text-light);
  margin-top: 12px;
  flex-wrap: wrap;
}

.prose {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #e2e8f0;
}

.prose h2 {
  font-size: 1.55rem;
  margin-top: 42px;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border-subtle);
  color: #ffffff;
}

.prose h3 {
  font-size: 1.28rem;
  margin-top: 26px;
  margin-bottom: 14px;
  color: var(--color-gold-light);
}

.prose p {
  margin-bottom: 22px;
}

.prose ul, .prose ol {
  margin-bottom: 24px;
  padding-left: 24px;
}

.prose li {
  margin-bottom: 10px;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 28px;
  font-size: 0.95rem;
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-border-subtle);
}

.prose th, .prose td {
  border: 1px solid var(--color-border);
  padding: 12px 16px;
  text-align: left;
}

.prose th {
  background-color: var(--color-surface-subtle);
  font-weight: 700;
  color: #ffffff;
}

.callout-box {
  background: rgba(30, 58, 138, 0.2);
  border: 1px solid rgba(59, 130, 246, 0.4);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  margin: 30px 0;
  box-shadow: 0 0 15px rgba(59, 130, 246, 0.15);
}

.callout-title {
  font-weight: 700;
  font-size: 1.08rem;
  color: var(--color-gold-light);
  margin-bottom: 8px;
}

.article-cta-box {
  background: linear-gradient(180deg, #131c31 0%, #0f172a 100%);
  border: 1px solid var(--color-gold-dark);
  border-radius: var(--radius-md);
  padding: 36px 26px;
  text-align: center;
  margin: 44px 0;
  box-shadow: var(--shadow-rpg);
}

.article-cta-box h2, .article-cta-box h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
  color: #ffffff;
}

.article-cta-box p {
  font-size: 0.98rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.internal-links-box {
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: 24px 26px;
  margin: 38px 0;
}

.internal-links-box h3, .internal-links-box h4 {
  font-size: 1.1rem;
  margin-bottom: 14px;
  color: #ffffff;
}

.internal-links-box ul {
  list-style: none;
  padding-left: 0;
  margin-bottom: 0;
}

.internal-links-box li {
  margin-bottom: 10px;
}

.internal-links-box li::before {
  content: "♦ ";
  color: var(--color-gold);
}

.internal-links-box a {
  font-weight: 500;
}

/* Guides Hub Page Grid (jiaocheng.html) */
.guides-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-bottom: 50px;
}

.guide-card {
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: 26px;
  box-shadow: var(--shadow-rpg);
  transition: transform 0.2s ease, border-color 0.2s ease;
  display: flex;
  flex-direction: column;
}

.guide-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-gold);
}

.guide-thumb-wrap {
  width: 100%;
  height: 180px;
  background-color: #070b14;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: 18px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.guide-card-tag {
  font-size: 0.82rem;
  color: var(--color-gold);
  font-weight: 700;
  margin-bottom: 8px;
}

.guide-card h3 {
  font-size: 1.28rem;
  margin-bottom: 10px;
}

.guide-card h3 a {
  color: #ffffff;
}

.guide-card h3 a:hover {
  color: var(--color-gold-light);
}

.guide-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 18px;
  flex-grow: 1;
}

.guide-card-footer {
  font-size: 0.88rem;
  color: var(--color-text-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--color-border);
  padding-top: 12px;
}

/* Legal Pages */
.legal-card {
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: 40px 36px;
  margin-bottom: 50px;
  box-shadow: var(--shadow-rpg);
}

/* Sitemap Page */
.sitemap-section {
  margin-bottom: 36px;
}

.sitemap-section h2, .sitemap-section h3 {
  font-size: 1.25rem;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border-subtle);
  color: #ffffff;
}

.sitemap-list {
  list-style: none;
  padding-left: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.sitemap-list li {
  font-size: 0.96rem;
  color: var(--color-text-muted);
}

.sitemap-list li::before {
  content: "♦ ";
  color: var(--color-gold);
}

/* ====================================================================
   Accessibility & Reduced Motion
   ==================================================================== */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ====================================================================
   Responsive Breakpoints
   ==================================================================== */

@media (max-width: 992px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }
  .pricing-card.featured {
    transform: none;
  }
  .scenarios-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 1.9rem;
  }
  h2 {
    font-size: 1.45rem;
  }
  .hero-title {
    font-size: 1.95rem;
  }
  .hero-subtitle {
    font-size: 1.05rem;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .support-grid {
    grid-template-columns: 1fr;
  }
  .guides-grid {
    grid-template-columns: 1fr;
  }
  .sitemap-list {
    grid-template-columns: 1fr;
  }
  .mobile-toggle {
    display: inline-flex;
  }
  .nav-menu {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background-color: #0b1120;
    border-bottom: 1px solid var(--color-gold-dark);
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 22px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.8);
  }
  .nav-menu.open {
    display: flex;
  }
  .header-actions .btn {
    display: none;
  }
  .mobile-sticky-cta {
    display: block;
  }
  body {
    padding-bottom: 68px;
  }
  .legal-card {
    padding: 28px 20px;
  }
}