/* Baidu SEO High-Performance Clean CSS - huangguadjtv.cn */
:root {
  --bg-primary: #080d12;
  --bg-secondary: #0f1622;
  --bg-card: #182234;
  --bg-card-hover: #202d44;
  --bg-glass: rgba(18, 24, 38, 0.92);
  --border-color: rgba(255, 255, 255, 0.09);
  --border-focus: rgba(245, 166, 35, 0.45);
  --primary: #f5a623;
  --primary-hover: #ffb843;
  --primary-glow: rgba(245, 166, 35, 0.28);
  --accent: #ff5722;
  --accent-gradient: linear-gradient(135deg, #f5a623 0%, #ff5722 100%);
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-sub: #6b7280;
  --success: #10b981;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-card: 0 10px 25px -5px rgba(0, 0, 0, 0.6), 0 8px 10px -6px rgba(0, 0, 0, 0.6);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-family);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Verification Ribbon */
.verification-ribbon {
  background: linear-gradient(90deg, #1e293b 0%, #172033 100%);
  border-bottom: 1px solid var(--border-color);
  padding: 10px 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.ribbon-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.ribbon-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 600;
}

.ribbon-copy {
  cursor: pointer;
  color: var(--text-main);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: var(--transition);
}

.ribbon-copy:hover {
  color: var(--primary);
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}

.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px var(--primary-glow);
}

.brand-icon svg {
  width: 24px;
  height: 24px;
  fill: #ffffff;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 6px;
}

.brand-badge {
  font-size: 0.65rem;
  font-weight: 600;
  background: rgba(245, 166, 35, 0.15);
  color: var(--primary);
  border: 1px solid rgba(245, 166, 35, 0.3);
  padding: 2px 6px;
  border-radius: 4px;
}

.brand-domain {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

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

.nav-item a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
  position: relative;
  padding: 6px 0;
}

.nav-item a:hover, .nav-item a.active {
  color: var(--primary);
}

.nav-item a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

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

.btn-action {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-outline {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-color);
  color: var(--text-main);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--text-muted);
}

.btn-primary {
  background: var(--accent-gradient);
  color: #ffffff;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
  opacity: 0.95;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--primary-glow);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
}

/* Breadcrumb Navigation */
.breadcrumb-nav {
  padding: 16px 0;
  font-size: 0.88rem;
  color: var(--text-sub);
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  flex-wrap: wrap;
}

.breadcrumb-item a {
  color: var(--text-muted);
  transition: var(--transition);
}

.breadcrumb-item a:hover {
  color: var(--primary);
}

.breadcrumb-separator {
  color: var(--text-sub);
}

.breadcrumb-current {
  color: var(--primary);
  font-weight: 600;
}

/* Hero Section */
.hero-section {
  position: relative;
  padding: 60px 0 50px;
  background: radial-gradient(circle at 50% 15%, rgba(245, 166, 35, 0.12) 0%, transparent 60%);
  text-align: center;
}

.hero-badge-wrap {
  margin-bottom: 20px;
  display: inline-block;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245, 166, 35, 0.1);
  border: 1px solid rgba(245, 166, 35, 0.3);
  padding: 6px 18px;
  border-radius: 30px;
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 600;
}

.hero-title {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
  color: #ffffff;
}

.hero-title span {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 800px;
  margin: 0 auto 36px;
  line-height: 1.8;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 860px;
  margin: 0 auto 36px;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 12px;
  transition: var(--transition);
}

.metric-card:hover {
  border-color: var(--border-focus);
  transform: translateY(-2px);
}

.metric-val {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 4px;
}

.metric-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.hero-search-box {
  max-width: 600px;
  margin: 0 auto 24px;
  position: relative;
}

.search-input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 30px;
  padding: 14px 24px 14px 50px;
  color: #ffffff;
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 8px 25px var(--primary-glow);
}

.search-icon {
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  fill: var(--text-sub);
}

.notice-box {
  background: rgba(245, 166, 35, 0.06);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 14px 20px;
  margin: 24px auto 0;
  max-width: 900px;
  text-align: left;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.notice-box strong {
  color: var(--text-main);
}

/* Sections */
.section {
  padding: 70px 0;
}

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

.section-tag {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--primary);
  margin-bottom: 8px;
  display: inline-block;
}

.section-title {
  font-size: 2.1rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 14px;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto;
}

/* Drama Filter Tabs */
.filter-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
}

.tab-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 9px 20px;
  border-radius: 30px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.tab-btn:hover {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.2);
}

.tab-btn.active {
  background: var(--primary);
  color: #080d12;
  border-color: var(--primary);
  box-shadow: 0 4px 12px var(--primary-glow);
}

/* Drama Grid */
.drama-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 28px;
}

.drama-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  box-shadow: var(--shadow-card);
  position: relative;
}

.drama-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-focus);
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.6);
}

.drama-poster {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  background: #0b0d12;
  overflow: hidden;
}

.drama-poster-art {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.detail-cover {
  width: 100%;
  max-height: 360px;
  object-fit: cover;
  border-radius: 12px;
  margin: 8px 0 22px;
  border: 1px solid var(--border-color);
}

.hero-cover {
  width: min(100%, 1080px);
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  object-position: center;
  background: #050607;
  margin: 12px auto 28px;
  display: block;
  border-radius: 14px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-card);
}

.drama-badge-category {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(8, 13, 18, 0.85);
  backdrop-filter: blur(8px);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px solid rgba(245, 166, 35, 0.3);
}

.drama-badge-rating {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(245, 166, 35, 0.95);
  color: #080d12;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.drama-body {
  padding: 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.drama-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.drama-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}

.drama-tag {
  font-size: 0.72rem;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  padding: 2px 8px;
  border-radius: 4px;
}

.drama-hook {
  font-size: 0.9rem;
  color: var(--text-main);
  margin-bottom: 16px;
  line-height: 1.6;
}

/* Static Direct Rendering Box (SEO Friendly) */
.drama-detail-meta {
  background: rgba(0, 0, 0, 0.25);
  border-radius: var(--radius-sm);
  padding: 12px;
  margin-bottom: 14px;
  font-size: 0.84rem;
}

.meta-row {
  display: flex;
  margin-bottom: 6px;
}

.meta-row:last-child {
  margin-bottom: 0;
}

.meta-label {
  color: var(--primary);
  min-width: 76px;
  font-weight: 600;
  flex-shrink: 0;
}

.meta-text {
  color: var(--text-muted);
  line-height: 1.5;
}

/* HTML Native Accordion Details (Spider Readable) */
.drama-accordion {
  border-top: 1px dashed var(--border-color);
  padding-top: 10px;
  margin-bottom: 16px;
}

.drama-accordion summary {
  cursor: pointer;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--primary);
  user-select: none;
  outline: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.drama-accordion summary::-webkit-details-marker {
  display: none;
}

.drama-accordion-content {
  margin-top: 10px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.03);
  border-left: 3px solid var(--primary);
  border-radius: 4px;
  font-size: 0.83rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.drama-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
  margin-top: auto;
}

.btn-detail {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  padding: 0;
  transition: var(--transition);
}

.btn-detail:hover {
  color: #ffffff;
}

.btn-goto-page {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
}

.btn-goto-page:hover {
  color: var(--primary-hover);
  transform: translateX(3px);
}

/* Feature Innovation Box */
.innovation-box {
  background: linear-gradient(135deg, rgba(24, 34, 52, 0.9) 0%, rgba(32, 45, 68, 0.6) 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 44px 36px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
  box-shadow: var(--shadow-card);
}

.innovation-content h3 {
  font-size: 1.8rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 14px;
}

.innovation-content p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 24px;
}

.innovation-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.innovation-feat-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-main);
}

.innovation-feat-item svg {
  width: 18px;
  height: 18px;
  fill: var(--primary);
  flex-shrink: 0;
}

.innovation-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.narrative-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  transition: var(--transition);
}

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

.narrative-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(245, 166, 35, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.narrative-icon svg {
  width: 26px;
  height: 26px;
  fill: var(--primary);
}

.narrative-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 10px;
}

.narrative-text {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* User Steps */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  transition: var(--transition);
}

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

.step-num {
  font-size: 2.2rem;
  font-weight: 900;
  color: rgba(245, 166, 35, 0.25);
  margin-bottom: 12px;
  line-height: 1;
}

.step-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 10px;
}

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

/* FAQ */
.faq-wrapper {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-question {
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-size: 1.05rem;
  font-weight: 600;
  color: #ffffff;
  user-select: none;
}

.faq-toggle-icon {
  width: 20px;
  height: 20px;
  fill: var(--primary);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  background: rgba(0, 0, 0, 0.15);
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.8;
  padding: 0 24px;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 16px 24px 22px;
}

/* Detail Page Dedicated Styles */
.detail-page-header {
  padding: 40px 0 20px;
  border-bottom: 1px solid var(--border-color);
}

.detail-main-layout {
  display: grid;
  grid-template-columns: 2.2fr 1fr;
  gap: 40px;
  padding: 40px 0 80px;
}

.detail-article {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
}

.detail-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 14px;
  line-height: 1.3;
}

.detail-meta-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.88rem;
  color: var(--text-muted);
}

.detail-section-block {
  margin-bottom: 32px;
}

.detail-section-block h2 {
  font-size: 1.35rem;
  color: #ffffff;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-left: 4px solid var(--primary);
  padding-left: 12px;
}

.detail-section-block p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.85;
  margin-bottom: 12px;
}

.highlight-timeline {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 16px;
}

.timeline-item {
  background: rgba(0, 0, 0, 0.25);
  border-left: 3px solid var(--primary);
  border-radius: 4px;
  padding: 14px 18px;
}

.timeline-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.timeline-ep {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary);
  background: rgba(245, 166, 35, 0.15);
  padding: 2px 8px;
  border-radius: 4px;
}

.timeline-title {
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
}

.timeline-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.detail-sidebar {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.sidebar-widget {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
}

.sidebar-widget h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 10px;
}

.related-drama-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  list-style: none;
}

.related-item a {
  display: block;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: var(--transition);
}

.related-item a:hover {
  border-color: var(--border-focus);
  transform: translateX(4px);
}

.related-item-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 4px;
}

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

/* Footer */
.site-footer {
  background: #06090f;
  border-top: 1px solid var(--border-color);
  padding: 60px 0 30px;
  font-size: 0.88rem;
  color: var(--text-sub);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand h4 {
  font-size: 1.25rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-brand p {
  line-height: 1.7;
  margin-bottom: 16px;
  color: var(--text-muted);
  max-width: 360px;
}

.footer-col h5 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
}

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

.footer-links a {
  color: var(--text-muted);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.disclaimer-text {
  font-size: 0.78rem;
  color: var(--text-sub);
  line-height: 1.6;
  margin-top: 12px;
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-focus);
  border-radius: var(--radius-lg);
  max-width: 650px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 32px;
  position: relative;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8);
  animation: modalFadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalFadeIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.08);
  border: none;
  color: var(--text-main);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.2rem;
  transition: var(--transition);
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Toast */
.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: #1f2937;
  color: #ffffff;
  padding: 12px 24px;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  border: 1px solid var(--primary);
  z-index: 10000;
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* Back-to-Top */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 46px;
  height: 46px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 90;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--primary);
  color: #080d12;
  border-color: var(--primary);
}

/* Responsive */
@media (max-width: 992px) {
  .hero-title { font-size: 2.2rem; }
  .hero-metrics { grid-template-columns: repeat(2, 1fr); }
  .narrative-grid { grid-template-columns: 1fr; }
  .innovation-box { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .detail-main-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .header-actions .btn-outline { display: none; }
  .nav-menu {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border-color);
    display: none;
  }
  .nav-menu.show { display: flex; }
  .menu-toggle { display: block; }
  .hero-title { font-size: 1.9rem; }
  .hero-desc { font-size: 0.95rem; }
  .footer-top { grid-template-columns: 1fr; }
  .drama-grid { grid-template-columns: 1fr; }
  .detail-article { padding: 24px 18px; }
  .detail-title { font-size: 1.7rem; }
}