:root {
  --bg-deep: #0c0610;
  --bg-panel: #160d18;
  --bg-card: #1f1224;
  --bg-glass: rgba(31, 18, 36, 0.72);
  --accent-amber: #e8a04c;
  --accent-rose: #d4567a;
  --accent-violet: #9b6dff;
  --accent-orange: #ff7a2f;
  --text-primary: #f5eef8;
  --text-secondary: #b8a4c4;
  --text-muted: #7d6b88;
  --border-soft: rgba(212, 86, 122, 0.18);
  --border-glow: rgba(232, 160, 76, 0.35);
  --header-h: 62px;
  --sticky-ads-h: 0px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-soft: 0 12px 40px rgba(0, 0, 0, 0.45);
  --font-serif: "Noto Serif SC", "Songti SC", "SimSun", Georgia, serif;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.75;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(212, 86, 122, 0.14), transparent 55%),
    radial-gradient(ellipse 60% 40% at 90% 20%, rgba(155, 109, 255, 0.1), transparent 50%),
    radial-gradient(ellipse 50% 30% at 50% 100%, rgba(232, 160, 76, 0.08), transparent 45%);
  pointer-events: none;
  z-index: 0;
}

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

a {
  color: var(--accent-amber);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--accent-rose);
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(12, 6, 16, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-soft);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-primary);
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 12px;
}

.brand span {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.desktop-nav {
  display: flex;
  gap: 28px;
}

.desktop-nav a {
  color: var(--text-secondary);
  font-size: 0.92rem;
  letter-spacing: 0.02em;
}

.desktop-nav a:hover,
.desktop-nav a.active {
  color: var(--accent-amber);
}

.menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 8px;
}

.menu-btn span {
  display: block;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.menu-btn.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-btn.open span:nth-child(2) {
  opacity: 0;
}

.menu-btn.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  background: rgba(22, 13, 24, 0.98);
  border-bottom: 1px solid var(--border-soft);
  padding: 16px 4vw 24px;
  z-index: 999;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav.show {
  display: flex;
}

.mobile-nav a {
  color: var(--text-secondary);
  padding: 12px 8px;
  border-bottom: 1px solid var(--border-soft);
  font-size: 0.95rem;
}

.mobile-nav a:hover {
  color: var(--accent-amber);
}

/* Sticky Ads Bar */
.ads-sticky-bar {
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  z-index: 998;
  background: rgba(16, 9, 20, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-soft);
  padding: 8px 4vw;
  transform: translateY(-120%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.ads-sticky-bar.visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

#ads-sticky {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 6px 4px;
  max-width: 1120px;
  margin: 0 auto;
}

#ads-sticky > div {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: calc(100% / 8);
  min-width: 72px;
  box-sizing: border-box;
}

#ads-sticky img {
  width: 52px;
  height: 52px;
  object-fit: cover;
  border-radius: 14px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
  transition: transform 0.18s ease;
}

#ads-sticky a:hover img {
  transform: translateY(-3px) scale(1.05);
}

#ads-sticky .caption {
  height: 14px;
  font-size: 10px;
  color: var(--text-muted);
  text-align: center;
  max-width: 72px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-top: 3px;
}

/* Ads Section */
.ads-section {
  padding-top: calc(var(--header-h) + 20px);
  padding-bottom: 8px;
}

#ads {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 10px 8px;
  background: transparent;
  margin: 10px 0;
}

#ads > div {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 80px;
}

#ads img {
  width: 68px;
  height: 68px;
  object-fit: cover;
  border-radius: 18px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-glow);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

#ads a:hover img {
  transform: translateY(-4px) scale(1.04);
  box-shadow: 0 10px 28px rgba(232, 160, 76, 0.2);
}

#ads .caption {
  height: 16px;
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
  max-width: 80px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-top: 4px;
}

.ads-hint {
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 6px;
}

/* Hero */
.hero {
  padding: 48px 0 56px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: linear-gradient(135deg, rgba(212, 86, 122, 0.2), rgba(155, 109, 255, 0.15));
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  font-size: 0.78rem;
  color: var(--accent-rose);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4.5vw, 2.6rem);
  line-height: 1.35;
  font-weight: 700;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-amber) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-lead {
  font-size: 1.02rem;
  color: var(--text-secondary);
  margin-bottom: 28px;
  max-width: 520px;
}

.hero-stats {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
  padding: 14px 20px;
  background: var(--bg-glass);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  min-width: 100px;
}

.stat-item strong {
  display: block;
  font-size: 1.4rem;
  color: var(--accent-amber);
  font-family: var(--font-serif);
}

.stat-item span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.hero-visual {
  position: relative;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: -20px;
  background: linear-gradient(135deg, rgba(212, 86, 122, 0.25), rgba(155, 109, 255, 0.15));
  border-radius: var(--radius-lg);
  filter: blur(40px);
  z-index: -1;
}

.hero-visual img {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-soft);
}

/* Content Sections */
.content-section {
  padding: 56px 0;
}

.content-section:nth-child(even) {
  background: linear-gradient(180deg, transparent, rgba(31, 18, 36, 0.4), transparent);
}

.section-label {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--accent-violet);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  margin-bottom: 16px;
  color: var(--text-primary);
}

.section-desc {
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 680px;
}

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
  margin-bottom: 48px;
}

.feature-row.reverse {
  direction: rtl;
}

.feature-row.reverse > * {
  direction: ltr;
}

.feature-img {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-soft);
}

.feature-img img {
  width: 100%;
  aspect-ratio: 9/16;
  object-fit: cover;
  object-position: top;
  max-height: 480px;
}

.feature-text h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  margin-bottom: 14px;
  color: var(--accent-amber);
}

.feature-text p {
  color: var(--text-secondary);
  margin-bottom: 12px;
  font-size: 0.95rem;
}

.feature-list {
  list-style: none;
  margin-top: 16px;
}

.feature-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.feature-list li::before {
  content: "◆";
  position: absolute;
  left: 0;
  color: var(--accent-rose);
  font-size: 0.6rem;
  top: 6px;
}

/* Text Blocks */
.text-block {
  background: var(--bg-glass);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 32px;
  margin-bottom: 28px;
}

.text-block h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--accent-rose);
  margin-bottom: 14px;
}

.text-block p {
  color: var(--text-secondary);
  font-size: 0.94rem;
  margin-bottom: 10px;
}

.text-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

/* Pillars */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 28px 22px;
  text-align: center;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.pillar-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
}

.pillar-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--accent-rose), var(--accent-violet));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.pillar-card h4 {
  font-family: var(--font-serif);
  font-size: 1rem;
  margin-bottom: 10px;
}

.pillar-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* CTA Banner */
.cta-banner {
  text-align: center;
  padding: 48px 24px;
  background: linear-gradient(135deg, rgba(212, 86, 122, 0.12), rgba(155, 109, 255, 0.08));
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  margin: 40px 0;
}

.cta-banner h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.cta-banner p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.cta-link {
  display: inline-block;
  padding: 12px 32px;
  background: linear-gradient(135deg, var(--accent-rose), var(--accent-violet));
  color: #fff;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta-link:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212, 86, 122, 0.35);
}

/* Breadcrumb */
.breadcrumb {
  padding-top: calc(var(--header-h) + 24px);
  padding-bottom: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.breadcrumb a {
  color: var(--text-secondary);
}

.breadcrumb span {
  margin: 0 8px;
  color: var(--text-muted);
}

/* Page Content */
.page-content {
  padding: 24px 0 64px;
}

.page-content h1 {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  margin-bottom: 24px;
}

.page-content h2 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--accent-amber);
  margin: 28px 0 12px;
}

.page-content p,
.page-content li {
  color: var(--text-secondary);
  font-size: 0.94rem;
  margin-bottom: 10px;
}

.page-content ul,
.page-content ol {
  padding-left: 24px;
  margin-bottom: 16px;
}

/* Error Pages */
.error-page {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--header-h) + 40px) 4vw 60px;
}

.error-code {
  font-family: var(--font-serif);
  font-size: clamp(4rem, 12vw, 7rem);
  background: linear-gradient(135deg, var(--accent-rose), var(--accent-violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 16px;
}

.error-page h1 {
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.error-page p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.error-page .cta-link {
  margin-top: 8px;
}

/* Footer */
.site-footer {
  background: var(--bg-panel);
  border-top: 1px solid var(--border-soft);
  padding: 40px 0 28px;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-brand img {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.85rem;
  color: var(--text-muted);
  max-width: 320px;
}

.footer-nav h4 {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 14px;
  letter-spacing: 0.06em;
}

.footer-nav a {
  display: block;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 8px;
}

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

.footer-bottom {
  border-top: 1px solid var(--border-soft);
  padding-top: 20px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Prose & SEO Modules */
.prose-wide {
  max-width: 860px;
}

.prose-wide p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 14px;
  line-height: 1.85;
}

.prose-wide h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--accent-amber);
  margin: 28px 0 12px;
}

.seo-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 32px 0;
}

.seo-card {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 26px 22px;
}

.seo-card h4 {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--accent-rose);
  margin-bottom: 10px;
}

.seo-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.img-showcase {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 36px 0;
}

.showcase-item {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.25s ease;
}

.showcase-item:hover {
  border-color: var(--border-glow);
}

.showcase-item img {
  width: 100%;
  aspect-ratio: 9/14;
  object-fit: cover;
  object-position: top;
}

.showcase-item figcaption {
  padding: 12px 14px;
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.faq-list {
  margin-top: 28px;
}

.faq-item {
  background: var(--bg-glass);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin-bottom: 16px;
}

.faq-item h3 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--accent-amber);
  margin-bottom: 10px;
}

.faq-item p {
  color: var(--text-secondary);
  font-size: 0.93rem;
  line-height: 1.75;
}

.media-text-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 28px;
  align-items: start;
  background: var(--bg-glass);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 20px;
}

.media-text-row img {
  width: 100%;
  border-radius: var(--radius-sm);
  aspect-ratio: 9/14;
  object-fit: cover;
  object-position: top;
}

.media-text-row h4 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--accent-rose);
  margin-bottom: 10px;
}

.media-text-row p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  line-height: 1.75;
}

.anchor-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
}

.anchor-nav a {
  padding: 8px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  transition: border-color 0.2s ease, color 0.2s ease;
}

.anchor-nav a:hover {
  border-color: var(--accent-amber);
  color: var(--accent-amber);
}

/* Responsive */
@media (max-width: 900px) {
  .hero-grid,
  .feature-row,
  .text-columns,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .feature-row.reverse {
    direction: ltr;
  }

  .pillars,
  .seo-cards,
  .img-showcase {
    grid-template-columns: 1fr 1fr;
  }

  .media-text-row {
    grid-template-columns: 1fr;
  }

  .media-text-row img {
    max-width: 180px;
    margin: 0 auto;
  }

  .hero-visual {
    order: -1;
    max-width: 280px;
    margin: 0 auto;
  }

  .desktop-nav {
    display: none;
  }

  .menu-btn {
    display: flex;
  }

  #ads-sticky > div {
    width: calc(100% / 4);
    min-width: 60px;
  }

  #ads-sticky img {
    width: 48px;
    height: 48px;
  }
}

@media (max-width: 600px) {
  .hero {
    padding: 32px 0 40px;
  }

  .hero-stats {
    gap: 12px;
  }

  .stat-item {
    min-width: 80px;
    padding: 10px 14px;
  }

  .text-block {
    padding: 22px 18px;
  }

  .content-section {
    padding: 40px 0;
  }

  .img-showcase,
  .seo-cards {
    grid-template-columns: 1fr;
  }
}