/* roulang page: index */
:root {
  --primary: #7C3AED;
  --primary-dark: #5B21B6;
  --primary-light: #A21CAF;
  --accent: #F59E0B;
  --accent-hover: #FBBF24;
  --bg: #FAF9FF;
  --bg-alt: #F4F2FC;
  --bg-dark: #171220;
  --text: #1D1930;
  --text-muted: #6B6580;
  --border: #E9E6F5;
  --divider: #E2DFF1;
  --radius-card: 20px;
  --radius-btn: 12px;
  --radius-pill: 999px;
  --shadow-card: 0 2px 12px rgba(49, 36, 92, 0.06);
  --shadow-hover: 0 12px 28px rgba(49, 36, 92, 0.16);
  --gradient: linear-gradient(135deg, #7C3AED 0%, #C026D3 100%);
  --gradient-hover: linear-gradient(135deg, #A21CAF 0%, #6D28D9 100%);
  --container: 1200px;
  --transition: 0.2s ease;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
}
button,
input {
  font: inherit;
  border: none;
  background: none;
}
button {
  cursor: pointer;
}
ul,
ol {
  list-style: none;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
section {
  padding: 96px 0;
}
.section-header {
  margin-bottom: 48px;
}
.section-header h2 {
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  font-weight: 700;
  line-height: 1.3;
  position: relative;
  padding-left: 16px;
  letter-spacing: -0.01em;
}
.section-header h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  border-radius: 4px;
  background: var(--gradient);
}
.section-header p {
  margin-top: 10px;
  font-size: 0.95rem;
  color: var(--text-muted);
  padding-left: 16px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1;
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition), border-color var(--transition);
  border: 1.5px solid transparent;
  cursor: pointer;
  gap: 8px;
}
.btn:focus-visible {
  outline: 3px solid rgba(124, 58, 237, 0.3);
  outline-offset: 2px;
}
.btn-primary {
  background: var(--gradient);
  color: #fff;
}
.btn-primary:hover {
  background: var(--gradient-hover);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.7);
  color: #fff;
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: #fff;
  transform: translateY(-2px);
}
.btn-lg {
  padding: 14px 32px;
  font-size: 1rem;
}
.btn-highlight {
  background: #F59E0B;
  color: #1D1930;
  font-weight: 700;
  padding: 14px 36px;
  font-size: 1rem;
}
.btn-highlight:hover {
  background: #FBBF24;
  transform: translateY(-2px);
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.site-header.scrolled {
  box-shadow: 0 4px 16px rgba(49, 36, 92, 0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.logo-text {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text);
  white-space: nowrap;
  letter-spacing: -0.01em;
}
.logo-text em {
  color: var(--primary);
  font-style: normal;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  padding: 10px 18px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: 999px;
  transition: color var(--transition), background var(--transition);
  position: relative;
}
.nav-link:hover {
  color: var(--primary);
  background: var(--bg-alt);
}
.nav-link.active {
  color: var(--primary);
  font-weight: 600;
}
.nav-link.active::after {
  content: '';
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 4px;
  height: 3px;
  border-radius: 3px;
  background: var(--gradient);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.search-box {
  display: flex;
  align-items: center;
  background: var(--bg-alt);
  border-radius: 999px;
  height: 40px;
  padding: 0 16px;
  width: 180px;
  transition: width 0.3s ease, box-shadow var(--transition);
  border: 1px solid transparent;
}
.search-box:focus-within {
  width: 220px;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.12);
}
.search-box input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-size: 0.85rem;
  color: var(--text);
  min-width: 0;
}
.search-box input::placeholder {
  color: var(--text-muted);
}
.search-box svg {
  width: 16px;
  height: 16px;
  fill: var(--text-muted);
  margin-right: 8px;
  flex-shrink: 0;
}
.header-actions .btn {
  padding: 10px 20px;
  font-size: 0.85rem;
}
.header-actions .btn-outline {
  border-color: var(--primary);
  color: var(--primary);
  background: transparent;
}
.header-actions .btn-outline:hover {
  background: rgba(124, 58, 237, 0.08);
  transform: translateY(-1px);
}
.header-actions .btn-primary {
  font-size: 0.85rem;
  padding: 10px 20px;
}
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--bg-alt);
  align-items: center;
}
.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--text);
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  background: linear-gradient(135deg, #7C3AED 0%, #A21CAF 50%, #C026D3 100%);
  min-height: 78vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity: 0.14;
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.25;
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 60px;
  padding: 80px 24px;
}
.hero-content {
  flex: 1;
  max-width: 560px;
}
.hero-content h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.2;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.hero-content h1 span {
  color: #FBBF24;
  position: relative;
}
.hero-subtitle {
  font-size: 1.1rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 36px;
  max-width: 460px;
}
.hero-ctas {
  display: flex;
  gap: 16px;
  margin-bottom: 44px;
  flex-wrap: wrap;
}
.hero-badges {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.hero-badges .badge {
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #fff;
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  backdrop-filter: blur(6px);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.hero-badges .badge strong {
  font-size: 1.1rem;
  color: #FBBF24;
  font-family: "DIN Alternate", "Bahnschrift", system-ui, sans-serif;
}
.hero-image {
  flex-shrink: 0;
  width: 400px;
  max-width: 42%;
  position: relative;
}
.hero-image .img-wrap {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 6px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}
.hero-image .img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(255,255,255,0.18) 0%, transparent 40%);
}
.hero-image img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

/* ===== TOC ===== */
.toc-section {
  background: #fff;
  padding: 80px 0;
}
.toc-section .section-header {
  margin-bottom: 32px;
}
.toc-list {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 12px;
  scrollbar-width: none;
}
.toc-list::-webkit-scrollbar {
  display: none;
}
.toc-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 22px 10px 10px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  transition: all var(--transition);
  flex-shrink: 0;
}
.toc-item:hover {
  background: var(--gradient);
  color: #fff;
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.toc-item:hover .toc-num {
  background: rgba(255, 255, 255, 0.3);
  color: #fff;
}
.toc-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--gradient);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition);
  font-family: "DIN Alternate", system-ui, sans-serif;
}

/* ===== Featured ===== */
.featured-section {
  background: var(--bg);
}
.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.featured-card {
  background: #fff;
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.featured-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.card-cover {
  position: relative;
  height: 188px;
  overflow: hidden;
  flex-shrink: 0;
}
.card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.featured-card:hover .card-cover img {
  transform: scale(1.04);
}
.card-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--gradient);
  color: #fff;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  z-index: 2;
}
.fav-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 34px;
  height: 34px;
  background: rgba(255, 255, 255, 0.92);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: all var(--transition);
  z-index: 2;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}
.fav-btn:hover {
  color: var(--accent);
  transform: scale(1.12);
  background: #fff;
}
.fav-btn.active {
  color: var(--accent);
}
.card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.card-body h3 {
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-body p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
  flex: 1;
}
.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--divider);
  padding-top: 14px;
}
.card-meta a {
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition);
}
.card-meta a:hover {
  gap: 8px;
}
.card-meta a .arrow {
  transition: transform var(--transition);
}

/* ===== Latest / CMS ===== */
.latest-section {
  background: #fff;
}
.latest-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.latest-item {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px 20px;
  transition: background var(--transition), box-shadow var(--transition);
  min-height: 96px;
}
.latest-item:hover {
  background: var(--bg-alt);
  box-shadow: var(--shadow-card);
}
.latest-thumb {
  width: 72px;
  height: 72px;
  border-radius: 12px;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--gradient);
}
.latest-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.latest-info {
  flex: 1;
  min-width: 0;
}
.latest-info h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 4px;
}
.latest-info p {
  font-size: 0.85rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.latest-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
  font-size: 0.78rem;
  color: var(--text-muted);
}
.latest-date {
  white-space: nowrap;
}
.latest-cat {
  background: var(--bg-alt);
  padding: 4px 12px;
  border-radius: 999px;
  font-weight: 600;
  color: var(--primary);
  transition: all var(--transition);
}
.latest-cat:hover {
  background: var(--primary);
  color: #fff;
}
.view-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 600;
  color: var(--primary);
  opacity: 0;
  transform: translateX(-8px);
  transition: all var(--transition);
}
.latest-item:hover .view-link {
  opacity: 1;
  transform: translateX(0);
}
.empty-state {
  text-align: center;
  padding: 60px 20px;
  background: var(--bg);
  border-radius: var(--radius-card);
  border: 1px dashed var(--border);
}
.empty-state .icon {
  width: 128px;
  height: 128px;
  border-radius: 24px;
  background: var(--gradient);
  opacity: 0.15;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.empty-state .icon svg {
  width: 54px;
  height: 54px;
  fill: var(--primary);
}
.empty-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.empty-sub {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

/* ===== Stats ===== */
.stats-section {
  background: var(--bg-dark);
  position: relative;
  overflow: hidden;
  padding: 96px 0;
}
.stats-section::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 600px;
  height: 600px;
  transform: translate(-50%, -50%);
  background: radial-gradient(ellipse, rgba(124, 58, 237, 0.25), transparent 70%);
  pointer-events: none;
}
.stats-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}
.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.stat-num {
  font-family: "DIN Alternate", "Bahnschrift", system-ui, sans-serif;
  font-size: 3.2rem;
  font-weight: 800;
  color: #F59E0B;
  line-height: 1.1;
}
.stat-num .unit {
  font-size: 1.4rem;
  font-weight: 600;
  margin-left: 2px;
}
.stat-label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 500;
  letter-spacing: 0.03em;
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--bg);
}
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 0;
  transition: box-shadow var(--transition);
  overflow: hidden;
}
.faq-item.active {
  box-shadow: var(--shadow-card);
  border-color: rgba(124, 58, 237, 0.3);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  user-select: none;
  gap: 16px;
}
.faq-question h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  transition: color var(--transition);
  flex: 1;
}
.faq-item.active .faq-question h3 {
  color: var(--primary);
}
.faq-icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  color: var(--text-muted);
  transition: all 0.3s ease;
  flex-shrink: 0;
  font-weight: 600;
}
.faq-item.active .faq-icon {
  background: var(--gradient);
  color: #fff;
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-answer p {
  padding: 0 24px 20px;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ===== CTA ===== */
.cta-section {
  padding: 96px 0 0;
  background: #fff;
}
.cta-box {
  position: relative;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.08) 0%, rgba(192, 38, 211, 0.06) 100%);
  border-radius: 24px;
  padding: 72px 48px;
  text-align: center;
  overflow: hidden;
  border: 1px solid rgba(124, 58, 237, 0.12);
}
.cta-box::before,
.cta-box::after {
  content: '';
  position: absolute;
  top: -20%;
  bottom: -20%;
  width: 80px;
  background: repeating-linear-gradient(45deg, transparent, transparent 12px, rgba(124, 58, 237, 0.04) 12px, rgba(124, 58, 237, 0.04) 14px);
  pointer-events: none;
}
.cta-box::before {
  left: 3%;
}
.cta-box::after {
  right: 3%;
}
.cta-box h2 {
  font-size: clamp(1.5rem, 2.8vw, 2.2rem);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
  position: relative;
}
.cta-box p {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  position: relative;
}
.cta-box .btn {
  position: relative;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding-top: 64px;
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-brand .footer-logo {
  display: block;
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
}
.footer-brand .footer-logo em {
  color: #F59E0B;
  font-style: normal;
}
.footer-brand p {
  font-size: 0.85rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.55);
  max-width: 220px;
}
.footer-links h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}
.footer-links a,
.footer-links span {
  display: block;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.55);
  line-height: 2.1;
  transition: color var(--transition);
}
.footer-links a:hover {
  color: #fff;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.4);
  flex-wrap: wrap;
  gap: 12px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .featured-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-inner {
    gap: 32px;
    padding: 60px 24px;
  }
  .hero-image {
    max-width: 38%;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }
  .main-nav {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 20px 24px 32px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 12px 32px rgba(49, 36, 92, 0.1);
    transform: translateY(-120%);
    transition: transform 0.3s ease;
    gap: 4px;
    z-index: 99;
  }
  .main-nav.open {
    transform: translateY(0);
  }
  .nav-link {
    padding: 14px 20px;
    font-size: 1rem;
    text-align: center;
    border-radius: 12px;
  }
  .nav-link.active::after {
    display: none;
  }
  .nav-link.active {
    background: var(--bg-alt);
  }
  .header-actions .search-box {
    display: none;
  }
  .header-actions .btn-outline {
    display: none;
  }
  .header-actions {
    gap: 8px;
  }
  .header-inner {
    height: 60px;
  }
  .hero {
    min-height: auto;
  }
  .hero-inner {
    flex-direction: column;
    padding: 56px 16px;
    gap: 40px;
  }
  .hero-content {
    max-width: 100%;
    text-align: center;
  }
  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-ctas {
    justify-content: center;
  }
  .hero-badges {
    justify-content: center;
  }
  .hero-image {
    max-width: 100%;
    width: 100%;
  }
  .hero-image .img-wrap {
    max-width: 320px;
    margin: 0 auto;
  }
  .featured-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .faq-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px 20px;
  }
  .stat-num {
    font-size: 2.4rem;
  }
  .latest-item {
    flex-wrap: wrap;
    gap: 12px;
    padding: 14px;
  }
  .latest-info {
    flex-basis: calc(100% - 84px);
  }
  .latest-info p {
    display: none;
  }
  .latest-meta {
    margin-left: 84px;
    gap: 8px;
  }
  .view-link {
    opacity: 1;
    transform: none;
  }
  .section {
    padding: 64px 0;
  }
  section {
    padding: 64px 0;
  }
  .cta-box {
    padding: 48px 24px;
    border-radius: 20px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
}
@media (max-width: 520px) {
  .hero-badges {
    flex-direction: column;
    align-items: center;
  }
  .hero-badges .badge {
    width: 100%;
    justify-content: center;
  }
  .hero-ctas {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-ctas .btn {
    width: 100%;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  .latest-thumb {
    width: 60px;
    height: 60px;
  }
  .latest-info h3 {
    font-size: 0.9rem;
  }
  .latest-date {
    display: none;
  }
  .latest-meta {
    margin-left: 72px;
  }
  .logo-text {
    font-size: 1rem;
  }
}

/* roulang page: category1 */
:root {
        --primary: #7C3AED;
        --primary-dark: #5B21B6;
        --primary-light: #A21CAF;
        --accent: #F59E0B;
        --accent-hover: #FBBF24;
        --bg: #FAF9FF;
        --bg-alt: #FFFFFF;
        --bg-soft: #F4F2FC;
        --dark: #171220;
        --text: #1D1930;
        --text-muted: #6B6580;
        --border: #E9E6F5;
        --divider: #E2DFF1;
        --radius-lg: 20px;
        --radius-md: 12px;
        --radius-sm: 10px;
        --shadow-sm: 0 2px 12px rgba(49, 36, 92, .06);
        --shadow-lg: 0 12px 28px rgba(49, 36, 92, .16);
        --gradient: linear-gradient(135deg, #7C3AED 0%, #C026D3 100%);
        --gradient-hover: linear-gradient(135deg, #A21CAF 0%, #6D28D9 100%);
        --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
        --font-num: "DIN Alternate", "Bahnschrift", system-ui, sans-serif;
    }

    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body { font-family: var(--font-sans); background: var(--bg); color: var(--text); line-height: 1.75; -webkit-font-smoothing: antialiased; }
    img { max-width: 100%; display: block; }
    a { color: inherit; text-decoration: none; }
    button { font: inherit; cursor: pointer; border: none; background: none; }
    input { font: inherit; border: none; outline: none; }
    ul, ol { list-style: none; }

    .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

    /* ===== Buttons ===== */
    .btn {
        display: inline-flex; align-items: center; justify-content: center;
        gap: 6px; border-radius: var(--radius-md);
        padding: 12px 24px; font-weight: 600; font-size: .95rem;
        transition: all .2s ease; line-height: 1.4; white-space: nowrap;
    }
    .btn:focus-visible { outline: 3px solid rgba(124, 58, 237, .3); outline-offset: 2px; }
    .btn-primary { background: var(--gradient); color: #fff; box-shadow: var(--shadow-sm); }
    .btn-primary:hover { background: var(--gradient-hover); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
    .btn-primary:active { transform: translateY(0); box-shadow: var(--shadow-sm); }
    .btn-ghost { background: transparent; color: var(--primary); border: 1.5px solid var(--primary); }
    .btn-ghost:hover { background: rgba(124, 58, 237, .05); color: var(--primary-dark); }
    .btn-ghost:active { background: rgba(124, 58, 237, .1); }
    .btn-accent { background: var(--accent); color: #1D1930; font-weight: 700; box-shadow: 0 2px 12px rgba(245, 158, 11, .25); }
    .btn-accent:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 6px 18px rgba(245, 158, 11, .35); }
    .btn-accent:active { transform: translateY(0); }
    .btn-sm { padding: 8px 18px; font-size: .875rem; border-radius: 10px; }

    /* ===== Header / Nav ===== */
    .site-header {
        position: sticky; top: 0; z-index: 100;
        height: 72px; background: rgba(255, 255, 255, .92);
        -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
        border-bottom: 1px solid var(--border);
        transition: box-shadow .2s ease;
    }
    .site-header.scrolled { box-shadow: 0 4px 16px rgba(49, 36, 92, .06); }
    .header-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; gap: 16px; }
    .brand-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
    .logo-icon {
        width: 40px; height: 40px; border-radius: 12px;
        background: var(--gradient); display: inline-flex; align-items: center; justify-content: center;
        color: #fff; box-shadow: 0 4px 12px rgba(124, 58, 237, .3);
    }
    .logo-icon svg { width: 22px; height: 22px; }
    .logo-text { font-size: 1.15rem; font-weight: 800; letter-spacing: -.01em; color: var(--text); }
    .logo-text em { font-style: normal; color: var(--primary); }
    .main-nav { display: flex; align-items: center; gap: 4px; }
    .nav-link {
        padding: 8px 16px; border-radius: 999px; font-size: .95rem;
        font-weight: 600; color: var(--text-muted); position: relative;
        transition: color .2s ease, background .2s ease;
    }
    .nav-link:hover { color: var(--primary); background: var(--bg-soft); }
    .nav-link:active { background: var(--divider); }
    .nav-link.active { color: var(--primary); }
    .nav-link.active::after {
        content: ""; position: absolute; left: 50%; transform: translateX(-50%);
        bottom: 2px; width: 20px; height: 3px; border-radius: 999px; background: var(--gradient);
    }
    .header-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
    .search-wrap { position: relative; display: flex; align-items: center; }
    .search-icon {
        position: absolute; left: 12px; width: 16px; height: 16px;
        color: var(--text-muted); pointer-events: none;
    }
    .search-input {
        height: 40px; width: 180px; border-radius: 999px;
        background: var(--bg-soft); border: 1px solid transparent;
        padding: 0 16px 0 36px; font-size: .875rem; color: var(--text);
        transition: width .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .search-input::placeholder { color: var(--text-muted); }
    .search-input:focus {
        width: 220px; border-color: var(--primary); outline: none;
        box-shadow: 0 0 0 3px rgba(124, 58, 237, .15);
    }
    .menu-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; border-radius: 10px; }
    .menu-toggle span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .2s ease, opacity .2s ease; }
    .menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .menu-toggle.active span:nth-child(2) { opacity: 0; }
    .menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    /* ===== Category Hero ===== */
    .category-hero {
        position: relative; padding: 88px 0; min-height: 42vh;
        display: flex; align-items: center; overflow: hidden;
        background: linear-gradient(120deg, #5B21B6 0%, #7C3AED 45%, #C026D3 100%);
    }
    .category-hero::before {
        content: ""; position: absolute; inset: 0;
        background-image: radial-gradient(rgba(255, 255, 255, .14) 1px, transparent 1px);
        background-size: 28px 28px; opacity: .45; pointer-events: none;
    }
    .category-hero::after {
        content: ""; position: absolute; top: -80px; right: -40px;
        width: 360px; height: 360px; border-radius: 50%;
        background: radial-gradient(circle, rgba(255, 255, 255, .12), transparent 70%);
    }
    .category-hero-inner { position: relative; z-index: 2; display: flex; align-items: center; gap: 40px; }
    .hero-text-block { flex: 1; max-width: 560px; }
    .hero-kicker {
        display: inline-flex; align-items: center; gap: 6px;
        padding: 4px 14px; border-radius: 999px;
        border: 1px solid rgba(255, 255, 255, .35); background: rgba(255, 255, 255, .1);
        color: rgba(255, 255, 255, .9); font-size: .8rem; font-weight: 600; letter-spacing: .05em;
        margin-bottom: 18px;
    }
    .category-hero h1 {
        font-size: clamp(2.2rem, 4.5vw, 3.4rem); font-weight: 800;
        line-height: 1.2; letter-spacing: -.02em; color: #fff; margin-bottom: 14px;
    }
    .hero-sub { color: rgba(255, 255, 255, .82); font-size: 1.08rem; line-height: 1.7; max-width: 480px; }
    .hero-icon-block { flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
    .hero-icon-block svg { width: 140px; height: 140px; color: rgba(255, 255, 255, .35); }
    .hero-stats { display: flex; flex-direction: column; gap: 14px; flex-shrink: 0; }
    .hero-stat {
        background: rgba(255, 255, 255, .14); border: 1px solid rgba(255, 255, 255, .2);
        border-radius: 16px; padding: 14px 22px; text-align: center;
        backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
        transition: background .2s ease, transform .2s ease;
    }
    .hero-stat:hover { background: rgba(255, 255, 255, .22); transform: translateX(4px); }
    .hero-stat .num { font-family: var(--font-num); font-size: 1.7rem; font-weight: 800; color: var(--accent); display: block; line-height: 1.2; }
    .hero-stat .label { font-size: .78rem; color: rgba(255, 255, 255, .85); display: block; margin-top: 2px; }

    /* ===== TOC ===== */
    .toc-wrap { background: var(--bg-alt); border-bottom: 1px solid var(--border); }
    .toc-scroll {
        display: flex; gap: 12px; overflow-x: auto; padding: 22px 0;
        scrollbar-width: none; -ms-overflow-style: none;
    }
    .toc-scroll::-webkit-scrollbar { display: none; }
    .toc-pill {
        display: inline-flex; align-items: center; gap: 8px;
        padding: 8px 18px 8px 8px; border-radius: 999px;
        background: var(--bg); border: 1px solid var(--border);
        font-size: .9rem; font-weight: 600; color: var(--text-muted);
        white-space: nowrap; flex-shrink: 0;
        transition: all .2s ease;
    }
    .toc-pill span {
        width: 26px; height: 26px; border-radius: 50%;
        background: var(--gradient); color: #fff;
        display: inline-flex; align-items: center; justify-content: center;
        font-size: .75rem; font-weight: 700;
    }
    .toc-pill:hover { background: var(--gradient); color: #fff; border-color: transparent; transform: translateY(-2px); box-shadow: var(--shadow-lg); }
    .toc-pill:hover span { background: rgba(255, 255, 255, .2); }
    .toc-pill:active { transform: translateY(0); }

    /* ===== Section Shared ===== */
    .section { padding: 96px 0; }
    .section-alt { background: var(--bg-alt); }
    .section-soft { background: var(--bg-soft); }
    .section-title {
        font-size: clamp(1.4rem, 2.4vw, 1.9rem); font-weight: 700;
        letter-spacing: -.01em; line-height: 1.3; margin-bottom: 40px;
        position: relative; padding-left: 16px; color: var(--text);
    }
    .section-title::before {
        content: ""; position: absolute; left: 0; top: 4px; bottom: 4px;
        width: 4px; border-radius: 999px; background: var(--gradient);
    }
    .section-desc { color: var(--text-muted); font-size: .98rem; max-width: 640px; margin-top: -24px; margin-bottom: 36px; }

    /* ===== Card Grid ===== */
    .card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .feature-card {
        background: var(--bg-alt); border: 1px solid var(--border);
        border-radius: var(--radius-lg); overflow: hidden;
        box-shadow: var(--shadow-sm);
        transition: transform .2s ease, box-shadow .2s ease;
    }
    .feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
    .card-cover { position: relative; height: 188px; overflow: hidden; background: var(--bg-soft); }
    .card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
    .feature-card:hover .card-cover img { transform: scale(1.04); }
    .card-tag {
        position: absolute; top: 12px; left: 12px; z-index: 2;
        background: var(--gradient); color: #fff;
        font-size: .75rem; font-weight: 600; padding: 4px 12px;
        border-radius: 999px; box-shadow: 0 2px 8px rgba(124, 58, 237, .3);
    }
    .fav-btn {
        position: absolute; top: 12px; right: 12px; z-index: 2;
        width: 34px; height: 34px; border-radius: 50%;
        background: rgba(255, 255, 255, .92); color: var(--text-muted);
        display: inline-flex; align-items: center; justify-content: center;
        transition: all .2s ease;
    }
    .fav-btn svg { width: 16px; height: 16px; }
    .fav-btn:hover { color: var(--accent); transform: scale(1.08); }
    .fav-btn.active { color: var(--accent); }
    .card-body { padding: 20px; }
    .card-body h3 { font-size: 1.1rem; font-weight: 700; line-height: 1.4; margin-bottom: 8px; }
    .card-body p { font-size: .92rem; color: var(--text-muted); line-height: 1.65; margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
    .card-meta { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--divider); padding-top: 14px; }
    .card-meta time { font-size: .78rem; color: var(--text-muted); font-weight: 500; }
    .card-link {
        display: inline-flex; align-items: center; gap: 4px;
        font-size: .85rem; font-weight: 600; color: var(--primary);
        transition: gap .2s ease;
    }
    .card-link:hover { gap: 8px; }

    /* ===== Features ===== */
    .feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
    .feature-item {
        background: var(--bg-alt); border: 1px solid var(--border);
        border-radius: var(--radius-lg); padding: 28px 24px;
        box-shadow: var(--shadow-sm); transition: all .2s ease;
    }
    .feature-item:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
    .feature-icon {
        width: 48px; height: 48px; border-radius: var(--radius-md);
        background: var(--bg-soft); display: inline-flex; align-items: center; justify-content: center;
        color: var(--primary); margin-bottom: 16px;
    }
    .feature-icon svg { width: 22px; height: 22px; }
    .feature-item h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
    .feature-item p { font-size: .88rem; color: var(--text-muted); line-height: 1.65; }

    /* ===== Scenarios ===== */
    .scenario-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .scenario-card {
        background: var(--bg-alt); border: 1px solid var(--border);
        border-left: 4px solid var(--primary);
        border-radius: 16px; padding: 26px 24px;
        transition: box-shadow .2s ease, transform .2s ease;
    }
    .scenario-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
    .scenario-num { font-family: var(--font-num); font-size: 1.4rem; font-weight: 800; color: var(--primary); display: block; margin-bottom: 6px; }
    .scenario-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
    .scenario-card p { font-size: .88rem; color: var(--text-muted); line-height: 1.65; }

    /* ===== Related ===== */
    .related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .related-row {
        display: flex; gap: 16px; align-items: center;
        background: var(--bg-soft); border: 1px solid var(--border);
        border-radius: 16px; padding: 14px;
        transition: background .2s ease, box-shadow .2s ease;
    }
    .related-row:hover { background: #EDEAFB; box-shadow: var(--shadow-sm); }
    .related-thumb { width: 120px; height: 76px; border-radius: 12px; object-fit: cover; flex-shrink: 0; }
    .related-info { min-width: 0; }
    .related-info h3 { font-size: .98rem; font-weight: 600; color: var(--text); margin-bottom: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
    .related-info p { font-size: .84rem; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-bottom: 6px; }
    .related-info time { font-size: .75rem; color: var(--text-muted); display: block; }

    /* ===== FAQ ===== */
    .faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .faq-item {
        background: var(--bg-alt); border: 1px solid var(--border);
        border-radius: 16px; padding: 20px 22px;
        transition: box-shadow .2s ease;
    }
    .faq-item:hover { box-shadow: var(--shadow-sm); }
    .faq-item.open { box-shadow: var(--shadow-sm); }
    .faq-q {
        display: flex; justify-content: space-between; align-items: center; gap: 12px;
        font-size: 1rem; font-weight: 600; color: var(--text);
        width: 100%; text-align: left; padding: 0;
        transition: color .2s ease;
    }
    .faq-q .icon { position: relative; width: 20px; height: 20px; flex-shrink: 0; }
    .faq-q .icon::before, .faq-q .icon::after {
        content: ""; position: absolute; background: var(--primary);
        border-radius: 2px; transition: transform .2s ease;
    }
    .faq-q .icon::before { width: 14px; height: 2px; top: 9px; left: 3px; }
    .faq-q .icon::after { width: 2px; height: 14px; top: 3px; left: 9px; }
    .faq-item.open .faq-q { color: var(--primary); }
    .faq-item.open .faq-q .icon::after { transform: scaleY(0); }
    .faq-a {
        max-height: 0; overflow: hidden; transition: max-height .3s ease;
        font-size: .92rem; color: var(--text-muted); line-height: 1.7;
    }
    .faq-item.open .faq-a { max-height: 300px; padding-top: 10px; }

    /* ===== CTA ===== */
    .cta-box {
        position: relative; overflow: hidden;
        background: linear-gradient(120deg, rgba(124, 58, 237, .08), rgba(192, 38, 211, .1));
        border: 1px solid var(--border); border-radius: 24px;
        padding: 64px 40px; text-align: center;
    }
    .cta-box::before {
        content: ""; position: absolute; inset: 0; pointer-events: none;
        background: repeating-linear-gradient(45deg, transparent, transparent 18px, rgba(124, 58, 237, .04) 18px, rgba(124, 58, 237, .04) 19px);
    }
    .cta-box h2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); font-weight: 800; color: var(--text); letter-spacing: -.01em; margin-bottom: 12px; position: relative; }
    .cta-box p { color: var(--text-muted); font-size: .98rem; margin-bottom: 28px; position: relative; }

    /* ===== Footer ===== */
    .site-footer { background: var(--dark); color: rgba(255, 255, 255, .78); padding-top: 64px; }
    .site-footer a { color: rgba(255, 255, 255, .7); transition: color .2s ease; }
    .site-footer a:hover { color: #fff; }
    .footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
    .footer-logo { font-size: 1.2rem; font-weight: 800; color: #fff; display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
    .footer-logo em { font-style: normal; color: var(--accent); }
    .footer-brand p { font-size: .82rem; color: rgba(255, 255, 255, .55); line-height: 1.7; max-width: 260px; }
    .footer-links h4 { font-size: .9rem; font-weight: 700; color: #fff; margin-bottom: 14px; }
    .footer-links a, .footer-links span { display: block; font-size: .82rem; line-height: 2; color: rgba(255, 255, 255, .6); }
    .footer-links a:hover { color: #fff; }
    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, .1);
        padding: 22px 0; display: flex; justify-content: space-between; align-items: center;
        flex-wrap: wrap; gap: 8px; font-size: .78rem; color: rgba(255, 255, 255, .45);
    }

    /* ===== Mobile Menu ===== */
    .mobile-menu {
        display: none; position: fixed; top: 72px; left: 0; right: 0; z-index: 99;
        background: rgba(255, 255, 255, .98); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
        border-bottom: 1px solid var(--border); padding: 20px 24px 32px;
        box-shadow: 0 12px 28px rgba(49, 36, 92, .12);
        transform: translateY(-16px); opacity: 0; pointer-events: none;
        transition: opacity .2s ease, transform .2s ease;
    }
    .mobile-menu.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
    .mobile-menu .nav-link { display: block; font-size: 1.05rem; padding: 14px 12px; border-radius: 12px; }
    .mobile-menu .nav-link.active { background: var(--bg-soft); }
    .mobile-menu .nav-link.active::after { display: none; }
    .mobile-menu .btn { width: 100%; margin-top: 14px; }
    .mobile-menu .btn-ghost { display: flex; }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
        .card-grid { grid-template-columns: repeat(2, 1fr); }
        .feature-grid { grid-template-columns: repeat(2, 1fr); }
        .scenario-grid { grid-template-columns: repeat(2, 1fr); }
        .hero-icon-block { display: none; }
        .category-hero-inner { flex-wrap: wrap; }
        .hero-stats { flex-direction: row; flex-basis: 100%; justify-content: flex-start; gap: 12px; }
        .search-input { width: 150px; }
        .search-input:focus { width: 170px; }
    }

    @media (max-width: 768px) {
        .site-header { height: 60px; }
        .main-nav { display: none; }
        .menu-toggle { display: inline-flex; }
        .header-actions .btn-ghost { display: none; }
        .search-input { width: 130px; }
        .search-input:focus { width: 150px; }
        .btn-primary.btn-sm { padding: 8px 14px; font-size: .85rem; }
        .mobile-menu { top: 60px; }
        .category-hero { padding: 64px 0; min-height: 0; }
        .category-hero-inner { flex-direction: column; gap: 24px; align-items: flex-start; }
        .hero-stats { flex-direction: row; flex-basis: auto; flex-wrap: wrap; }
        .section { padding: 64px 0; }
        .card-grid { grid-template-columns: 1fr; }
        .feature-grid { grid-template-columns: 1fr; }
        .scenario-grid { grid-template-columns: 1fr; }
        .related-grid { grid-template-columns: 1fr; }
        .faq-grid { grid-template-columns: 1fr; }
        .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
        .cta-box { padding: 48px 24px; }
    }

    @media (max-width: 520px) {
        .container { padding: 0 16px; }
        .footer-grid { grid-template-columns: 1fr; }
        .header-actions .search-wrap { display: none; }
        .header-actions .btn-primary.btn-sm { display: none; }
        .menu-toggle { display: inline-flex; }
        .hero-sub { font-size: .95rem; }
        .section-title { margin-bottom: 28px; }
        .toc-scroll { padding: 16px 0; }
        .footer-bottom { flex-direction: column; align-items: flex-start; }
    }

/* roulang page: article */
:root{
  --primary:#7C3AED;
  --primary-dark:#5B21B6;
  --primary-light:#A21CAF;
  --accent:#F59E0B;
  --accent-hover:#FBBF24;
  --gradient:linear-gradient(135deg,#7C3AED 0%,#C026D3 100%);
  --gradient-hover:linear-gradient(135deg,#A21CAF 0%,#6D28D9 100%);
  --bg:#FAF9FF;
  --bg-alt:#F4F2FC;
  --white:#FFFFFF;
  --dark:#171220;
  --text:#1D1930;
  --text-secondary:#6B6580;
  --border:#E9E6F5;
  --divider:#E2DFF1;
  --radius:20px;
  --radius-sm:12px;
  --radius-xs:10px;
  --shadow:0 2px 12px rgba(49,36,92,0.06);
  --shadow-hover:0 12px 28px rgba(49,36,92,0.16);
  --transition:200ms ease;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  font-size:1rem;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color var(--transition)}
img{max-width:100%;display:block}
button{font-family:inherit;border:none;background:none;cursor:pointer}
input{font-family:inherit;outline:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 24px;border-radius:var(--radius-sm);font-weight:600;font-size:0.92rem;
  transition:transform var(--transition),background var(--transition),box-shadow var(--transition),border-color var(--transition);
  line-height:1.4;white-space:nowrap;
}
.btn:focus-visible{outline:3px solid rgba(124,58,237,0.3);outline-offset:2px}
.btn-primary{background:var(--gradient);color:#fff;box-shadow:0 2px 10px rgba(124,58,237,0.2)}
.btn-primary:hover{background:var(--gradient-hover);transform:translateY(-2px)}
.btn-outline{background:transparent;border:1.5px solid var(--primary);color:var(--primary)}
.btn-outline:hover{background:rgba(124,58,237,0.06);border-color:var(--primary-dark)}
.btn-accent{background:var(--accent);color:var(--dark);border-radius:var(--radius-sm);padding:13px 32px;font-weight:700}
.btn-accent:hover{background:var(--accent-hover);transform:translateY(-2px)}
.section-title{
  font-size:clamp(1.4rem,2.4vw,1.9rem);font-weight:700;color:var(--text);
  display:flex;align-items:center;gap:12px;margin-bottom:36px;letter-spacing:-0.01em;
}
.section-title::before{content:"";width:4px;height:26px;border-radius:8px;background:var(--gradient);flex-shrink:0}
/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:100;height:72px;
  background:rgba(255,255,255,0.92);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
  transition:box-shadow var(--transition);
}
.site-header.scrolled{box-shadow:0 4px 16px rgba(49,36,92,0.06)}
.header-inner{
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-icon{width:40px;height:40px;border-radius:12px;overflow:hidden;display:block;flex-shrink:0}
.brand-svg{width:40px;height:40px;display:block}
.brand-text{font-size:1.18rem;font-weight:800;color:var(--text);letter-spacing:-0.01em;white-space:nowrap}
.brand-text em{font-style:normal;color:var(--primary);font-weight:800}
.main-nav{display:flex;align-items:center;gap:8px}
.nav-link{
  padding:8px 16px;border-radius:999px;font-weight:600;font-size:0.92rem;color:var(--text-secondary);
  transition:all var(--transition);position:relative;
}
.nav-link:hover{color:var(--primary);background:rgba(124,58,237,0.06)}
.nav-link.active{color:var(--primary)}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:-4px;transform:translateX(-50%);
  width:20px;height:3px;border-radius:8px;background:var(--gradient);
}
.header-tools{display:flex;align-items:center;gap:12px;flex-shrink:0}
.search-box{
  display:flex;align-items:center;gap:8px;background:var(--bg-alt);
  border-radius:999px;padding:0 14px;height:42px;width:180px;
  border:1px solid transparent;transition:all var(--transition);
}
.search-box:focus-within{
  border-color:var(--primary);box-shadow:0 0 0 3px rgba(124,58,237,0.15);width:220px;background:#fff;
}
.search-box svg{width:16px;height:16px;stroke:var(--text-secondary);flex-shrink:0}
.search-box input{
  border:none;background:transparent;font-size:0.85rem;color:var(--text);width:100%;height:100%;
}
.search-box input::placeholder{color:#A8A2C0}
.search-box input:focus{outline:none}
.mobile-tools{display:none}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--radius-sm);background:var(--bg-alt);
  flex-direction:column;align-items:center;justify-content:center;gap:4px;transition:background var(--transition);
}
.nav-toggle:hover{background:var(--divider)}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:all .3s ease}
.nav-toggle.active span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
/* ===== Breadcrumb ===== */
.breadcrumb-bar{background:var(--white);border-bottom:1px solid var(--divider);padding:14px 0}
.breadcrumb-inner{display:flex;align-items:center;gap:10px;font-size:0.82rem;color:var(--text-secondary)}
.breadcrumb-inner a{color:var(--text-secondary);transition:color var(--transition)}
.breadcrumb-inner a:hover{color:var(--primary)}
.breadcrumb-sep{color:#C9C3DE;font-weight:300}
.breadcrumb-current{
  color:var(--text);font-weight:600;display:block;max-width:260px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.breadcrumb-category{color:var(--primary);font-weight:600}
/* ===== Article Header ===== */
.article-header-block{
  padding:64px 0 36px;background:
    radial-gradient(ellipse at 85% 20%,rgba(124,58,237,0.06),transparent 60%),
    var(--bg);
}
.article-header-inner{max-width:820px;margin:0 auto;text-align:center}
.article-cate-badge{
  display:inline-flex;align-items:center;gap:6px;background:rgba(124,58,237,0.08);
  color:var(--primary);font-size:0.78rem;font-weight:700;padding:6px 16px;border-radius:999px;
  margin-bottom:20px;letter-spacing:0.02em;
}
.article-title{
  font-size:clamp(2rem,4.5vw,3rem);font-weight:800;line-height:1.25;letter-spacing:-0.02em;
  color:var(--text);margin-bottom:20px;word-break:break-word;
}
.article-excerpt{
  color:var(--text-secondary);font-size:1.05rem;line-height:1.8;max-width:680px;margin:0 auto 28px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.article-meta{
  display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:12px 24px;
  font-size:0.85rem;color:var(--text-secondary);margin-bottom:24px;
}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.article-stats{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
.stat-badge{
  display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:999px;
  background:var(--white);border:1px solid var(--border);font-size:0.8rem;font-weight:600;
  color:var(--text-secondary);box-shadow:var(--shadow);
}
.stat-badge strong{color:var(--primary);font-size:1rem;font-weight:800}
/* ===== Article Body ===== */
.article-body-section{padding:36px 0 56px;background:var(--bg)}
.article-body-inner{max-width:760px;margin:0 auto}
.article-content{font-size:1rem;line-height:1.9;color:var(--text)}
.article-content > *{margin-bottom:1.5em}
.article-content h2{
  font-size:1.45rem;font-weight:700;margin:2em 0 0.8em;padding-left:16px;
  border-left:4px solid var(--primary);border-radius:2px;line-height:1.4;
}
.article-content h3{font-size:1.2rem;font-weight:600;margin:1.8em 0 0.6em;line-height:1.4}
.article-content h4{font-size:1.05rem;font-weight:600;margin:1.4em 0 0.5em}
.article-content p{margin-bottom:1.5em}
.article-content a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-content a:hover{color:var(--primary-dark)}
.article-content blockquote{
  border-left:4px solid var(--primary);background:var(--bg-alt);padding:18px 22px;
  border-radius:0 14px 14px 0;color:var(--text-secondary);font-style:normal;margin:1.8em 0;
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content ul,.article-content ol{padding-left:1.5em;margin:1.2em 0 1.8em}
.article-content li{margin:0.4em 0;padding-left:4px}
.article-content ul li::marker{color:var(--primary)}
.article-content ol li::marker{color:var(--primary);font-weight:600}
.article-content img{
  width:100%;border-radius:16px;margin:1.8em 0;box-shadow:var(--shadow);
}
.article-content figure{margin:1.8em 0}
.article-content figure img{margin:0 0 10px}
.article-content figcaption{font-size:0.8rem;color:var(--text-secondary);text-align:center;margin-top:8px}
.article-content hr{border:none;border-top:1px solid var(--divider);margin:2.4em 0}
.article-content strong{font-weight:700;color:var(--text)}
.article-content code{
  background:var(--bg-alt);border:1px solid var(--divider);border-radius:6px;
  padding:2px 8px;font-size:0.88em;color:var(--primary-dark);
}
.article-content pre{
  background:var(--dark);color:#F4F2FC;border-radius:14px;padding:20px;overflow-x:auto;line-height:1.7;
}
.article-content pre code{background:none;border:none;color:inherit;padding:0}
/* ===== Not Found ===== */
.article-not-found{text-align:center;padding:80px 20px;background:var(--white);border-radius:var(--radius);border:1px solid var(--border)}
.not-found-icon{
  width:80px;height:80px;border-radius:24px;background:var(--bg-alt);display:flex;align-items:center;justify-content:center;
  margin:0 auto 24px;font-size:2rem;font-weight:800;color:var(--primary);
}
.article-not-found h2{font-size:1.6rem;font-weight:700;margin-bottom:12px}
.article-not-found p{color:var(--text-secondary);margin-bottom:28px}
/* ===== Article Footer ===== */
.article-footer-block{padding:8px 0 48px;background:var(--bg)}
.article-footer-inner{max-width:760px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;border-top:1px solid var(--divider);padding-top:28px}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;padding:6px 16px;border-radius:999px;background:var(--bg-alt);
  color:var(--text-secondary);font-size:0.78rem;font-weight:600;border:1px solid var(--border);
  transition:all var(--transition);
}
.tag:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.share-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.btn-favorite{
  display:inline-flex;align-items:center;gap:8px;padding:9px 20px;border-radius:999px;
  background:var(--white);border:1px solid var(--divider);font-weight:600;font-size:0.85rem;
  color:var(--text-secondary);transition:all var(--transition);
}
.btn-favorite:hover{border-color:var(--accent);color:var(--accent)}
.btn-favorite.active{background:var(--accent);border-color:var(--accent);color:var(--dark)}
.btn-favorite .heart{font-size:1.05rem;line-height:1}
.share-icons{display:flex;gap:8px}
.share-icon{
  width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--bg-alt);border:1px solid var(--border);color:var(--text-secondary);
  transition:all var(--transition);
}
.share-icon:hover{background:var(--gradient);color:#fff;border-color:transparent;transform:translateY(-2px)}
.share-icon svg{width:16px;height:16px}
/* ===== Related ===== */
.related-section{padding:56px 0 64px;background:var(--white)}
.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card-item{
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);transition:transform var(--transition),box-shadow var(--transition);
}
.card-item:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.card-cover{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--bg-alt)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card-item:hover .card-cover img{transform:scale(1.04)}
.card-badge{
  position:absolute;top:14px;left:14px;background:rgba(255,255,255,0.92);color:var(--primary);
  font-size:0.72rem;font-weight:700;padding:5px 14px;border-radius:999px;box-shadow:var(--shadow);
}
.card-fav{
  position:absolute;top:12px;right:12px;width:34px;height:34px;border-radius:50%;
  background:rgba(255,255,255,0.9);display:flex;align-items:center;justify-content:center;
  color:var(--text-secondary);transition:all var(--transition);box-shadow:var(--shadow);
}
.card-fav:hover{color:var(--accent);transform:scale(1.08)}
.card-fav.active{color:var(--accent)}
.card-body{padding:20px}
.card-body h3{font-size:1.08rem;font-weight:600;line-height:1.4;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:var(--text)}
.card-body h3 a:hover{color:var(--primary)}
.card-desc{font-size:0.9rem;color:var(--text-secondary);line-height:1.6;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;justify-content:space-between;font-size:0.8rem;color:var(--text-secondary)}
.card-link-text{color:var(--primary);font-weight:600;display:inline-flex;align-items:center;gap:4px;transition:transform var(--transition)}
.card-link-text .arrow{opacity:0;transform:translateX(-4px);transition:all var(--transition)}
.card-item:hover .card-link-text .arrow{opacity:1;transform:translateX(0)}
.card-item:hover .card-link-text{transform:translateX(-4px)}
/* ===== Back Entry ===== */
.back-entry{
  padding:48px 0;display:flex;align-items:center;justify-content:center;gap:20px;
  background:var(--bg);flex-wrap:wrap;
}
.back-link{
  position:relative;font-weight:600;color:var(--text-secondary);font-size:0.9rem;
  display:inline-flex;align-items:center;gap:6px;transition:all var(--transition);
}
.back-link::before{
  content:"←";position:relative;color:var(--primary);opacity:0;transition:opacity var(--transition),transform var(--transition);
}
.back-link:hover{transform:translateX(-4px);color:var(--primary)}
.back-link:hover::before{opacity:1}
.back-sep{color:var(--divider);font-size:1.2rem}
/* ===== Bottom CTA ===== */
.bottom-cta{padding:48px 0 64px;background:var(--white)}
.cta-container{
  max-width:960px;margin:0 auto;text-align:center;position:relative;
  background:linear-gradient(135deg,rgba(124,58,237,0.08) 0%,rgba(192,38,211,0.06) 100%);
  border-radius:24px;padding:64px 32px;overflow:hidden;border:1px solid var(--border);
}
.cta-container::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(45deg,rgba(124,58,237,0.04) 0px,rgba(124,58,237,0.04) 2px,transparent 2px,transparent 12px);
  pointer-events:none;
}
.cta-container > *{position:relative;z-index:1}
.cta-title{font-size:clamp(1.5rem,3vw,2.2rem);font-weight:800;color:var(--text);margin-bottom:12px}
.cta-desc{color:var(--text-secondary);font-size:1rem;margin-bottom:28px;max-width:520px;margin-left:auto;margin-right:auto}
/* ===== Footer ===== */
.site-footer{background:var(--dark);color:#A8A2C0;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .footer-logo{font-size:1.25rem;font-weight:800;color:#fff;margin-bottom:16px;display:inline-block}
.footer-brand .footer-logo em{font-style:normal;color:var(--accent)}
.footer-brand p{font-size:0.85rem;line-height:1.7;max-width:280px;text-align:left}
.footer-links h4{color:#fff;font-size:0.95rem;font-weight:600;margin-bottom:18px}
.footer-links a,.footer-links span{display:block;font-size:0.82rem;color:#A8A2C0;margin-bottom:10px;transition:color var(--transition);line-height:1.5}
.footer-links a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.1);padding:24px 0;display:flex;justify-content:space-between;
  align-items:center;flex-wrap:wrap;gap:12px;font-size:0.78rem;color:rgba(255,255,255,0.4);
}
.footer-bottom a{color:rgba(255,255,255,0.5)}
.footer-bottom a:hover{color:#fff}
/* ===== Responsive ===== */
@media (max-width:1024px){
  .cards-grid{grid-template-columns:repeat(2,1fr)}
  .search-box{width:140px}
  .search-box:focus-within{width:170px}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .site-header,.header-inner{height:60px}
  .header-inner{gap:12px}
  .main-nav{
    position:fixed;top:60px;left:16px;right:16px;background:#fff;border-radius:20px;
    flex-direction:column;align-items:stretch;padding:20px;gap:4px;z-index:99;
    box-shadow:0 20px 48px rgba(49,36,92,0.18);border:1px solid var(--border);
    transform:translateY(-150%);opacity:0;visibility:hidden;
    transition:transform .35s ease,opacity .25s ease,visibility .25s;
  }
  .main-nav.open{transform:translateY(0);opacity:1;visibility:visible}
  .nav-link{padding:14px 16px;font-size:1rem;border-radius:12px}
  .nav-link.active::after{display:none}
  .nav-link:hover{background:var(--bg-alt)}
  .header-tools .search-box{display:none}
  .header-tools .btn{display:none}
  .nav-toggle{display:flex}
  .mobile-tools{display:flex;flex-direction:column;gap:12px;margin-top:16px;padding-top:16px;border-top:1px solid var(--divider)}
  .mobile-tools .search-box{width:100%;background:var(--bg-alt)}
  .mobile-tools .search-box:focus-within{width:100%}
  .mobile-tools .btn{justify-content:center}
  .breadcrumb-current{max-width:180px}
  .article-header-block{padding:44px 0 28px}
  .article-body-section{padding:24px 0 40px}
  .article-footer-inner{flex-direction:column;align-items:flex-start}
  .share-row{width:100%;justify-content:space-between}
  .cards-grid{grid-template-columns:1fr;gap:20px}
  .cta-container{padding:48px 20px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;justify-content:center;text-align:center}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-text{font-size:1.05rem}
  .brand-icon,.brand-svg{width:36px;height:36px;border-radius:10px}
  .article-title{font-size:1.7rem}
  .article-excerpt{font-size:0.95rem}
  .stat-badge{padding:6px 12px;font-size:0.74rem}
  .back-entry{align-items:center}
}

/* roulang page: category2 */
:root {
            --primary: #7C3AED;
            --primary-dark: #5B21B6;
            --primary-light: #A78BFA;
            --primary-grad: linear-gradient(135deg, #7C3AED 0%, #C026D3 100%);
            --primary-grad-hover: linear-gradient(135deg, #A21CAF 0%, #6D28D9 100%);
            --accent: #F59E0B;
            --accent-hover: #FBBF24;
            --bg: #FAF9FF;
            --bg-alt: #F4F2FC;
            --text-main: #1D1930;
            --text-sub: #6B6580;
            --text-white: #FFFFFF;
            --border: #E9E6F5;
            --divider: #E2DFF1;
            --dark: #171220;
            --radius-card: 20px;
            --radius-btn: 12px;
            --radius-small: 10px;
            --radius-full: 999px;
            --shadow-card: 0 2px 12px rgba(49, 36, 92, 0.06);
            --shadow-hover: 0 12px 28px rgba(49, 36, 92, 0.16);
            --transition: 200ms ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
            line-height: 1.75;
            background: var(--bg);
            color: var(--text-main);
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }

        ul,
        ol {
            list-style: none;
        }

        button {
            border: none;
            background: none;
            cursor: pointer;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            font-weight: 600;
            line-height: 1;
            transition: all var(--transition);
            border: 1.5px solid transparent;
            white-space: nowrap;
        }

        .btn:focus-visible,
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(124, 58, 237, 0.3);
            outline-offset: 2px;
        }

        .btn-primary {
            background: var(--primary-grad);
            color: var(--text-white);
        }

        .btn-primary:hover {
            background: var(--primary-grad-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(124, 58, 237, 0.25);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-outline {
            border-color: var(--primary);
            color: var(--primary);
            background: transparent;
        }

        .btn-outline:hover {
            background: rgba(124, 58, 237, 0.05);
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: translateY(0);
        }

        .btn-accent {
            background: var(--accent);
            color: #1D1930;
            font-weight: 700;
        }

        .btn-accent:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(245, 158, 11, 0.3);
        }

        .btn-accent:active {
            transform: translateY(0);
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            height: 72px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 16px rgba(49, 36, 92, 0.06);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 24px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--primary-grad);
            color: #fff;
            box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
        }

        .brand-text {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .brand-text em {
            font-style: normal;
            color: var(--primary);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-link {
            position: relative;
            padding: 10px 14px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-sub);
            border-radius: var(--radius-small);
            transition: color var(--transition);
        }

        .nav-link:hover {
            color: var(--primary);
        }

        .nav-link.active {
            color: var(--primary);
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 4px;
            height: 3px;
            border-radius: 999px;
            background: var(--primary-grad);
        }

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

        .search-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
            height: 44px;
            padding: 0 16px;
            border-radius: 999px;
            background: var(--bg-alt);
            border: 1.5px solid transparent;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .search-wrap:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
        }

        .search-icon {
            color: var(--text-sub);
            flex-shrink: 0;
        }

        .search-input {
            border: none;
            outline: none;
            background: transparent;
            width: 140px;
            font-size: 0.875rem;
            color: var(--text-main);
            transition: width var(--transition);
        }

        .search-input::placeholder {
            color: #A29BB8;
        }

        .search-input:focus {
            width: 180px;
        }

        .search-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--bg-alt);
            color: var(--text-main);
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: background var(--transition);
        }

        .search-toggle:hover {
            background: var(--border);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            background: var(--bg-alt);
            flex-shrink: 0;
            transition: background var(--transition);
        }

        .nav-toggle:hover {
            background: var(--border);
        }

        .nav-toggle span {
            width: 18px;
            height: 2px;
            border-radius: 2px;
            background: var(--text-main);
            transition: transform var(--transition), opacity var(--transition);
        }

        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-search {
            display: none;
            padding: 14px 0;
            background: #fff;
            border-bottom: 1px solid var(--border);
        }

        .mobile-search.open {
            display: block;
        }

        .mobile-search-input {
            width: 100%;
            height: 44px;
            border-radius: 999px;
            border: 1.5px solid var(--border);
            background: var(--bg-alt);
            padding: 0 20px;
            font-size: 0.9rem;
            outline: none;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .mobile-search-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
        }

        .category-hero {
            position: relative;
            min-height: 42vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(124, 58, 237, 0.12) 0%, rgba(192, 38, 211, 0.08) 100%), var(--bg);
            overflow: hidden;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            top: -40px;
            left: -60px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(124, 58, 237, 0.18), transparent 70%);
        }

        .category-hero::after {
            content: "";
            position: absolute;
            right: -80px;
            bottom: -40px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(192, 38, 211, 0.10), transparent 70%);
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            padding: 60px 24px;
            flex-wrap: wrap;
        }

        .category-hero-content {
            max-width: 620px;
        }

        .hero-category-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 72px;
            height: 72px;
            border-radius: 20px;
            background: var(--primary-grad);
            color: #fff;
            box-shadow: 0 8px 24px rgba(124, 58, 237, 0.3);
            margin-bottom: 24px;
        }

        .category-hero h1 {
            font-size: clamp(1.8rem, 3.5vw, 2.8rem);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            color: var(--text-main);
            margin-bottom: 16px;
        }

        .category-hero h1 span {
            background: var(--primary-grad);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .category-hero .hero-sub {
            font-size: 1.05rem;
            color: var(--text-sub);
            margin-bottom: 28px;
            max-width: 480px;
            line-height: 1.7;
        }

        .hero-cta {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .hero-stats {
            display: flex;
            flex-direction: column;
            gap: 16px;
            flex-shrink: 0;
        }

        .stat-badge {
            display: flex;
            align-items: center;
            gap: 12px;
            background: rgba(255, 255, 255, 0.85);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 16px 18px;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition), transform var(--transition);
        }

        .stat-badge:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .stat-num {
            font-family: "DIN Alternate", "Bahnschrift", system-ui, sans-serif;
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
        }

        .stat-label {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--text-sub);
            line-height: 1.3;
        }

        .toc-section {
            padding: 64px 0 24px;
        }

        .section-title {
            font-size: clamp(1.4rem, 2.4vw, 1.9rem);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 28px;
            padding-left: 16px;
            position: relative;
        }

        .section-title::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0.2em;
            width: 4px;
            height: 1.1em;
            border-radius: 4px;
            background: var(--primary-grad);
        }

        .toc-list {
            display: flex;
            gap: 14px;
            overflow-x: auto;
            padding: 6px 2px 14px;
            scrollbar-width: none;
        }

        .toc-list::-webkit-scrollbar {
            display: none;
        }

        .toc-item {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 12px 20px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-sub);
            white-space: nowrap;
            transition: all var(--transition);
            flex-shrink: 0;
        }

        .toc-item .toc-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--primary-grad);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 700;
            line-height: 1;
            transition: background var(--transition);
        }

        .toc-item:hover {
            background: var(--primary-grad);
            color: #fff;
            border-color: transparent;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(124, 58, 237, 0.25);
        }

        .toc-item:hover .toc-num {
            background: rgba(255, 255, 255, 0.25);
        }

        .cards-section {
            padding: 48px 0 64px;
        }

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

        .article-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition);
            scroll-margin-top: 100px;
        }

        .article-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .card-media {
            position: relative;
            height: 188px;
            overflow: hidden;
            background: var(--bg-alt);
        }

        .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 300ms ease;
        }

        .article-card:hover .card-media img {
            transform: scale(1.05);
        }

        .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 5px 14px;
            border-radius: 999px;
            background: rgba(124, 58, 237, 0.9);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            backdrop-filter: blur(4px);
        }

        .fav-btn {
            position: absolute;
            top: 12px;
            right: 12px;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.9);
            color: var(--text-sub);
            transition: all var(--transition);
            box-shadow: 0 2px 8px rgba(49, 36, 92, 0.1);
        }

        .fav-btn:hover,
        .fav-btn.active {
            color: var(--accent);
            background: #fff;
            transform: scale(1.1);
        }

        .card-body {
            padding: 20px 20px 16px;
        }

        .card-body h3 {
            font-size: 1.08rem;
            font-weight: 600;
            line-height: 1.45;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-body .card-summary {
            font-size: 0.9rem;
            color: var(--text-sub);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0;
        }

        .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 20px;
            border-top: 1px solid var(--divider);
        }

        .card-time {
            font-size: 0.78rem;
            color: var(--text-sub);
            font-weight: 500;
        }

        .card-read {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--primary);
        }

        .card-read .arrow {
            opacity: 0;
            transform: translateX(-4px);
            transition: all var(--transition);
        }

        .card-read:hover .arrow {
            opacity: 1;
            transform: translateX(0);
        }

        .related-section {
            background: var(--bg-alt);
            padding: 64px 0;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .related-card {
            display: flex;
            flex-direction: column;
            gap: 8px;
            background: #fff;
            border-radius: 16px;
            border: 1px solid var(--border);
            padding: 24px;
            box-shadow: 0 2px 8px rgba(49, 36, 92, 0.04);
            transition: all var(--transition);
            cursor: default;
        }

        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: var(--primary-light);
        }

        .related-card h3 {
            font-size: 1.02rem;
            font-weight: 700;
            line-height: 1.4;
        }

        .related-card p {
            font-size: 0.88rem;
            color: var(--text-sub);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card .related-meta {
            font-size: 0.78rem;
            color: var(--text-sub);
            font-weight: 500;
            margin-top: 6px;
        }

        .faq-section {
            padding: 64px 0;
        }

        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 20px 24px;
            cursor: pointer;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .faq-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--text-main);
        }

        .faq-item.active .faq-question {
            color: var(--primary);
        }

        .faq-icon {
            position: relative;
            width: 20px;
            height: 20px;
            flex-shrink: 0;
        }

        .faq-icon::before,
        .faq-icon::after {
            content: "";
            position: absolute;
            top: 50%;
            left: 50%;
            width: 14px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transform: translate(-50%, -50%);
            transition: transform var(--transition);
        }

        .faq-icon::after {
            transform: translate(-50%, -50%) rotate(90deg);
        }

        .faq-item.active .faq-icon::after {
            transform: translate(-50%, -50%) rotate(0deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 300ms ease, padding 300ms ease;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-top: 12px;
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-sub);
            line-height: 1.7;
        }

        .cta-section {
            padding: 32px 0 80px;
        }

        .cta-box {
            background: linear-gradient(135deg, rgba(124, 58, 237, 0.06), rgba(192, 38, 211, 0.04)), var(--bg-alt);
            border-radius: 24px;
            text-align: center;
            padding: 64px 40px;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: "";
            position: absolute;
            inset: 0;
            background: repeating-linear-gradient(45deg, rgba(124, 58, 237, 0.03) 0, rgba(124, 58, 237, 0.03) 1px, transparent 1px, transparent 14px);
            pointer-events: none;
        }

        .cta-box>* {
            position: relative;
            z-index: 1;
        }

        .cta-box h2 {
            font-size: clamp(1.4rem, 2.4vw, 1.9rem);
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cta-box p {
            color: var(--text-sub);
            margin-bottom: 24px;
            font-size: 0.95rem;
        }

        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 64px 0 0;
        }

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

        .footer-brand .footer-logo {
            font-size: 1.25rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
        }

        .footer-brand .footer-logo em {
            font-style: normal;
            color: var(--primary-light);
        }

        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.7;
            margin-top: 12px;
            max-width: 260px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-links h4 {
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 16px;
            font-weight: 600;
        }

        .footer-links a,
        .footer-links span {
            display: block;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 10px;
            transition: color var(--transition);
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.45);
        }

        @media (max-width: 1024px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                height: 60px;
            }
            .search-wrap {
                display: none;
            }
            .search-toggle {
                display: flex;
            }
            .header-btn {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .main-nav {
                position: fixed;
                top: 60px;
                right: -100%;
                width: 100%;
                height: calc(100vh - 60px);
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: flex-start;
                padding: 32px 24px;
                gap: 8px;
                z-index: 99;
                transition: right 300ms ease;
            }
            .main-nav.open {
                right: 0;
            }
            .nav-link {
                font-size: 1.1rem;
                padding: 14px 0;
                width: 100%;
            }
            .nav-link.active::after {
                display: none;
            }
            .category-hero {
                min-height: auto;
                padding: 32px 0;
            }
            .category-hero .container {
                flex-direction: column;
                align-items: flex-start;
                padding: 40px 16px;
                gap: 32px;
            }
            .hero-stats {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .stat-badge {
                padding: 12px 14px;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .cta-box {
                padding: 40px 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 640px) {
            .cards-grid {
                grid-template-columns: 1fr;
            }
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .category-hero .hero-sub {
                font-size: 0.95rem;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-cta .btn {
                flex: 1;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
        }