/* roulang page: index */
:root {
  --bg-base: #0B0D12;
  --bg-surface: #151821;
  --bg-surface-2: #1B1F2B;
  --bg-input: #1A1F2C;
  --border-default: #262B38;
  --border-hover: rgba(108, 92, 231, 0.5);
  --primary: #6C5CE7;
  --primary-bright: #7C6CF6;
  --accent: #A3E635;
  --accent-bright: #B8F55A;
  --text-main: #E9ECF5;
  --text-sub: #8A91A5;
  --text-disable: #5A6172;
  --danger: #FF6B6B;
  --radius-card: 14px;
  --radius-btn: 10px;
  --radius-pill: 999px;
  --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.35);
  --shadow-accent: 0 0 20px rgba(163, 230, 53, 0.35);
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  background: var(--bg-base);
  color: var(--text-main);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
body.no-scroll {
  overflow: hidden;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease;
}
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}
input {
  font-family: inherit;
  outline: none;
}
ul, ol {
  list-style: none;
}
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: 72px 0 56px;
}
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}
.section-header h2 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.section-note {
  font-size: 13px;
  color: var(--text-disable);
}
.ghost-link {
  font-size: 14px;
  color: var(--text-sub);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color .2s;
}
.ghost-link:hover {
  color: var(--accent);
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: #0B0D12;
  font-size: 15px;
  font-weight: 700;
  padding: 12px 20px;
  border-radius: var(--radius-btn);
  transition: background .2s ease, box-shadow .2s ease, transform .2s ease;
}
.btn-primary:hover {
  background: var(--accent-bright);
  box-shadow: var(--shadow-accent);
  transform: translateY(-1px);
}
.btn-primary:active {
  transform: translateY(1px);
  box-shadow: none;
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid var(--primary);
  background: transparent;
  color: #C5C9F5;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 20px;
  border-radius: var(--radius-btn);
  transition: all .2s ease;
}
.btn-outline:hover {
  background: rgba(108, 92, 231, 0.12);
  border-color: var(--primary-bright);
}
.btn-outline.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #0B0D12;
}
.tag {
  display: inline-block;
  background: rgba(108, 92, 231, 0.18);
  color: #A9A6FF;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  line-height: 1.4;
}
.tag-hot {
  background: var(--accent);
  color: #0B0D12;
}
.tag-off {
  background: var(--bg-surface-2);
  color: var(--text-disable);
}
.empty-state {
  background: var(--bg-surface);
  border: 1px dashed #343B4C;
  border-radius: var(--radius-card);
  padding: 56px 24px;
  text-align: center;
}
.empty-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  opacity: 0.5;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--bg-surface-2);
}
.empty-title {
  font-size: 16px;
  color: var(--text-sub);
  margin-bottom: 4px;
}
.empty-desc {
  font-size: 13px;
  color: var(--text-disable);
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(21, 24, 33, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-default);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 16px;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--primary), #3D34A6);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
}
.brand-icon svg {
  width: 18px;
  height: 18px;
}
.brand-text {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.brand-text em {
  font-style: normal;
  color: var(--accent);
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-item {
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-sub);
  transition: all 0.2s ease;
  white-space: nowrap;
}
.nav-item:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.04);
}
.nav-item.active {
  background: rgba(108, 92, 231, 0.2);
  color: var(--text-main);
}
.header-tools {
  display: flex;
  align-items: center;
  gap: 8px;
}
.cmd-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-input);
  border: 1px solid #2A3040;
  border-radius: var(--radius-btn);
  padding: 8px 12px;
  width: 200px;
  color: var(--text-disable);
  font-size: 13px;
  transition: border-color .2s, box-shadow .2s;
}
.cmd-search:hover,
.cmd-search:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(108, 92, 231, 0.2);
}
.cmd-search .search-text {
  flex: 1;
  text-align: left;
  color: var(--text-disable);
}
.kbd {
  background: var(--bg-surface-2);
  border: 1px solid #3A4256;
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 11px;
  font-family: "Inter", Arial, sans-serif;
  color: var(--text-disable);
  white-space: nowrap;
}
.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-sub);
  font-size: 18px;
  transition: background .2s, color .2s;
}
.icon-btn:hover {
  background: rgba(108, 92, 231, 0.12);
  color: var(--text-main);
}
.header-cta {
  padding: 10px 16px;
  font-size: 14px;
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: all .3s;
}
.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.open span:nth-child(2) {
  opacity: 0;
}
.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
.hero-cover {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  background: linear-gradient(60deg, #0B0D12 0%, rgba(11, 13, 18, 0.7) 45%, rgba(11, 13, 18, 0.2) 100%),
              url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  overflow: hidden;
}
.hero-cover::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--bg-base), transparent);
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 100px 0 80px;
  max-width: 720px;
}
.hero-badge {
  display: inline-block;
  background: rgba(108, 92, 231, 0.18);
  color: #A9A6FF;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}
.hero-cover h1 {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-main);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  word-break: break-word;
}
.hero-subtitle {
  font-size: 18px;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 28px;
  max-width: 600px;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border-default);
  background: rgba(21, 24, 33, 0.6);
  color: var(--text-sub);
  font-size: 14px;
  font-weight: 500;
  padding: 12px 20px;
  border-radius: var(--radius-btn);
  transition: all .2s;
}
.btn-ghost:hover {
  border-color: var(--primary);
  color: var(--text-main);
  background: rgba(108, 92, 231, 0.08);
}
.hero-meta {
  display: flex;
  gap: 24px;
  margin-top: 32px;
  font-size: 12px;
  color: var(--text-disable);
  font-weight: 500;
}
.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.hero-meta span::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.collection-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.collection-card {
  position: relative;
  display: block;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-card);
  padding: 20px;
  overflow: hidden;
  transition: all .2s ease;
}
.collection-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-card);
  transform: translateY(-3px);
}
.collection-card:hover .card-num {
  color: rgba(163, 230, 53, 0.8);
}
.card-num {
  position: absolute;
  top: 12px;
  right: 16px;
  font-size: 48px;
  font-weight: 800;
  font-family: "Inter", Arial, sans-serif;
  color: rgba(233, 236, 245, 0.12);
  line-height: 1;
  transition: color .2s;
  pointer-events: none;
}
.collection-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
  margin-top: 20px;
}
.count-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-sub);
  background: rgba(108, 92, 231, 0.12);
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
}
.card-cover {
  border-radius: 10px;
  overflow: hidden;
  aspect-ratio: 3 / 2;
}
.card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s ease;
}
.collection-card:hover .card-cover img {
  transform: scale(1.03);
}
.featured-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.featured-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: all .2s ease;
}
.featured-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-card);
  transform: translateY(-3px);
}
.featured-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.featured-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.featured-tag {
  position: absolute;
  top: 12px;
  left: 12px;
}
.featured-body {
  padding: 20px;
}
.featured-body h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-main);
  transition: color .2s;
}
.featured-card:hover .featured-body h3 {
  color: var(--accent);
}
.featured-body p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 14px;
}
.featured-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  color: var(--text-disable);
}
.featured-meta .entry-link {
  margin-left: auto;
  color: var(--primary-bright);
  font-weight: 600;
}
.featured-meta .entry-link:hover {
  color: var(--accent);
}
.news-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.news-list-item {
  display: flex;
  gap: 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-card);
  padding: 16px;
  transition: border-color .2s, box-shadow .2s;
}
.news-list-item:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-card);
}
.news-thumb {
  width: 160px;
  height: 100px;
  border-radius: 10px;
  overflow: hidden;
  flex-shrink: 0;
  background: linear-gradient(135deg, #1B1F2B, #211D40);
}
.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.news-content {
  flex: 1;
  min-width: 0;
}
.news-content .tag {
  margin-bottom: 6px;
}
.news-content h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.news-content h3 a {
  color: var(--text-main);
}
.news-content h3 a:hover {
  color: var(--accent);
}
.news-content p {
  font-size: 13px;
  color: var(--text-sub);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 10px;
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 12px;
  color: var(--text-disable);
}
.news-meta .read-more {
  margin-left: auto;
  color: var(--primary-bright);
  font-weight: 600;
}
.news-meta .read-more:hover {
  color: var(--accent);
}
.news-divider {
  height: 1px;
  background: var(--border-default);
  margin: 4px 0;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.related-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-card);
  padding: 12px;
  transition: all .2s;
}
.related-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}
.related-card img {
  width: 80px;
  height: 80px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
  background: linear-gradient(135deg, #1B1F2B, #211D40);
}
.related-info {
  min-width: 0;
}
.related-info h4 {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text-main);
}
.related-card:hover .related-info h4 {
  color: var(--accent);
}
.cta-banner {
  position: relative;
  background: var(--bg-surface);
  overflow: hidden;
  padding: 72px 0;
  text-align: center;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 700px;
  height: 400px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(108, 92, 231, 0.25), transparent 60%);
  pointer-events: none;
}
.cta-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  opacity: 0.15;
  pointer-events: none;
}
.cta-inner {
  position: relative;
  z-index: 2;
}
.cta-inner h2 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 8px;
}
.cta-inner p {
  font-size: 15px;
  color: var(--text-sub);
  margin-bottom: 28px;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.faq-grid {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-card);
  margin-bottom: 12px;
  padding: 20px;
  transition: border-color .25s ease;
}
.faq-item.active {
  border-color: var(--border-hover);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  user-select: none;
}
.faq-question h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.4;
}
.faq-toggle {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid #394050;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--text-sub);
  font-size: 14px;
  transition: all .25s ease;
  position: relative;
}
.faq-toggle::before,
.faq-toggle::after {
  content: '';
  position: absolute;
  background: currentColor;
  transition: all .25s ease;
}
.faq-toggle::before {
  width: 10px;
  height: 2px;
}
.faq-toggle::after {
  width: 2px;
  height: 10px;
}
.faq-item.active .faq-toggle {
  background: rgba(108, 92, 231, 0.15);
  border-color: var(--primary);
  color: var(--primary-bright);
}
.faq-item.active .faq-toggle::after {
  transform: scaleY(0);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .25s ease, padding .25s ease;
}
.faq-item.active .faq-answer {
  max-height: 300px;
  padding-top: 14px;
}
.faq-answer p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
}
.site-footer {
  background: #0D1017;
  border-top: 1px solid var(--border-default);
  padding: 56px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand .brand-logo {
  margin-bottom: 12px;
}
.footer-brand p {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.6;
  margin-bottom: 20px;
  max-width: 280px;
}
.footer-social {
  display: flex;
  gap: 8px;
}
.footer-social a {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-sub);
  font-size: 14px;
  transition: all .2s;
}
.footer-social a:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 16px;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul a {
  font-size: 13px;
  color: var(--text-sub);
  transition: color .2s;
}
.footer-col ul a:hover {
  color: var(--accent);
}
.footer-bottom {
  border-top: 1px solid var(--border-default);
  padding: 20px 0;
}
.footer-bottom .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--text-disable);
}
.footer-bottom a {
  color: var(--text-disable);
}
.footer-bottom a:hover {
  color: var(--accent);
}
.cmd-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 13, 18, 0.7);
  backdrop-filter: blur(4px);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s ease, visibility .25s;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 12vh;
}
.cmd-overlay.visible {
  opacity: 1;
  visibility: visible;
}
.cmd-panel {
  width: 560px;
  max-width: calc(100vw - 32px);
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: 16px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  transform: translateY(-8px);
  transition: transform .25s ease;
}
.cmd-overlay.visible .cmd-panel {
  transform: translateY(0);
}
.cmd-search-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px;
  border-bottom: 1px solid var(--border-default);
}
.cmd-search-row svg {
  flex-shrink: 0;
  color: var(--text-disable);
}
.cmd-input {
  flex: 1;
  background: transparent;
  border: none;
  font-size: 16px;
  color: var(--text-main);
}
.cmd-input::placeholder {
  color: var(--text-disable);
}
.cmd-group {
  padding: 12px 16px;
}
.cmd-group-title {
  font-size: 12px;
  color: var(--text-disable);
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}
.cmd-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--text-main);
  transition: background .15s;
}
.cmd-item:hover {
  background: var(--bg-surface-2);
}
.cmd-item-type {
  font-size: 11px;
  color: var(--text-disable);
  background: var(--bg-input);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}
.cmd-footer {
  border-top: 1px solid var(--border-default);
  padding: 10px 16px;
  font-size: 11px;
  color: var(--text-disable);
  display: flex;
  gap: 12px;
}
.cmd-footer kbd {
  background: var(--bg-surface-2);
  border: 1px solid #3A4256;
  border-radius: 3px;
  padding: 1px 5px;
}
@media (max-width: 1023px) {
  .container {
    padding: 0 20px;
  }
  .cmd-search {
    width: 44px;
    padding: 8px;
    justify-content: center;
  }
  .cmd-search .search-text,
  .cmd-search .kbd {
    display: none;
  }
  .collection-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .section {
    padding: 56px 0 48px;
  }
}
@media (max-width: 767px) {
  .container {
    padding: 0 16px;
  }
  .site-nav {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: rgba(15, 17, 23, 0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-default);
    gap: 4px;
    transform: translateY(-110%);
    transition: transform .3s ease;
  }
  .site-nav.open {
    transform: translateY(0);
  }
  .nav-item {
    padding: 12px 16px;
    border-radius: 10px;
  }
  .hamburger {
    display: flex;
  }
  .header-cta {
    display: none;
  }
  .hero-cover {
    min-height: 420px;
  }
  .hero-content {
    padding: 64px 0 48px;
  }
  .hero-cover h1 {
    font-size: 32px;
  }
  .hero-subtitle {
    font-size: 16px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-actions .btn-primary,
  .hero-actions .btn-ghost {
    width: 100%;
  }
  .hero-meta {
    flex-wrap: wrap;
    gap: 12px;
  }
  .collection-grid {
    grid-template-columns: 1fr;
  }
  .featured-grid {
    grid-template-columns: 1fr;
  }
  .news-list-item {
    flex-direction: column;
  }
  .news-thumb {
    width: 100%;
    height: 140px;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .section {
    padding: 40px 0 32px;
  }
  .section-header h2 {
    font-size: 24px;
  }
  .cta-inner h2 {
    font-size: 26px;
  }
  .cmd-panel {
    max-width: calc(100vw - 16px);
    margin: 0 8px;
  }
}
@media (min-width: 1024px) {
  .site-nav {
    display: flex;
  }
  .hamburger {
    display: none;
  }
}

/* roulang page: category1 */
:root {
  --bg-base: #0B0D12;
  --bg-surface: #151821;
  --bg-surface-2: #1B1F2B;
  --bg-input: #1A1F2C;
  --border-default: #262B38;
  --border-hover: rgba(108, 92, 231, 0.5);
  --primary: #6C5CE7;
  --primary-bright: #7C6CF6;
  --accent: #A3E635;
  --accent-bright: #B8F55A;
  --text-main: #E9ECF5;
  --text-sub: #8A91A5;
  --text-disable: #5A6172;
  --danger: #FF6B6B;
  --radius-card: 14px;
  --radius-btn: 10px;
  --radius-pill: 999px;
  --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.35);
  --shadow-accent: 0 0 20px rgba(163, 230, 53, 0.35);
  --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
  --font-num: 'Inter', 'Arial', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background: var(--bg-base);
  color: var(--text-main);
  line-height: 1.75;
  word-break: break-word;
  -webkit-font-smoothing: antialiased;
}

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

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

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

input {
  font-family: inherit;
}

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

/* ===== 导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(21, 24, 33, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-default);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 24px;
}

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

.brand-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #6C5CE7, #4F3FD4);
  border-radius: 8px;
  color: #fff;
}

.brand-icon svg {
  width: 20px;
  height: 20px;
}

.brand-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

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

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-item {
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-sub);
  transition: all 0.2s ease;
}

.nav-item:hover {
  color: var(--text-main);
  background: rgba(108, 92, 231, 0.1);
}

.nav-item.active {
  background: rgba(108, 92, 231, 0.2);
  color: var(--text-main);
  font-weight: 600;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-input);
  border: 1px solid #2A3040;
  border-radius: var(--radius-pill);
  padding: 8px 14px;
  width: 200px;
  transition: border 0.2s ease;
  cursor: pointer;
}

.search-box:hover,
.search-box:focus-within {
  border-color: var(--primary);
}

.search-box svg {
  width: 15px;
  height: 15px;
  color: var(--text-disable);
  flex-shrink: 0;
}

.search-box span {
  font-size: 13px;
  color: var(--text-disable);
  flex: 1;
  white-space: nowrap;
}

.search-box kbd {
  font-family: var(--font-num);
  font-size: 11px;
  background: var(--bg-surface-2);
  border: 1px solid #2A3040;
  border-radius: 4px;
  padding: 2px 6px;
  color: var(--text-sub);
}

.fav-btn {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--text-sub);
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.fav-btn:hover {
  background: rgba(108, 92, 231, 0.12);
  color: var(--accent);
}

.fav-btn svg {
  width: 18px;
  height: 18px;
}

.nav-cta {
  background: var(--accent);
  color: #0B0D12;
  font-weight: 700;
  font-size: 14px;
  padding: 9px 20px;
  border-radius: var(--radius-btn);
  transition: all 0.2s ease;
  white-space: nowrap;
}

.nav-cta:hover {
  background: var(--accent-bright);
  box-shadow: var(--shadow-accent);
  transform: translateY(-1px);
}

.nav-cta:active {
  transform: translateY(0);
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid var(--border-default);
  color: var(--text-main);
}

.nav-toggle svg {
  width: 20px;
  height: 20px;
}

/* ===== Hero ===== */
.cat-hero {
  position: relative;
  background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
  min-height: 460px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.cat-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11, 13, 18, 0.95) 0%, rgba(11, 13, 18, 0.75) 45%, rgba(11, 13, 18, 0.55) 100%);
}

.cat-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, #0B0D12 0%, transparent 65%);
}

.cat-hero .container {
  position: relative;
  z-index: 2;
  padding-top: 80px;
  padding-bottom: 80px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  background: rgba(108, 92, 231, 0.18);
  color: #A9A6FF;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
}

.cat-hero h1 {
  font-size: 52px;
  line-height: 1.2;
  font-weight: 800;
  color: var(--text-main);
  max-width: 720px;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.cat-hero h1 .accent-text {
  color: var(--accent);
}

.cat-hero .hero-desc {
  font-size: 18px;
  color: var(--text-sub);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 32px;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #0B0D12;
  font-weight: 700;
  font-size: 15px;
  padding: 12px 24px;
  border-radius: var(--radius-btn);
  transition: all 0.2s ease;
  box-shadow: none;
}

.btn-primary:hover {
  background: var(--accent-bright);
  box-shadow: var(--shadow-accent);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid var(--primary);
  color: #C5C9F5;
  font-weight: 600;
  font-size: 15px;
  padding: 12px 24px;
  border-radius: var(--radius-btn);
  transition: all 0.2s ease;
}

.btn-outline:hover {
  background: rgba(108, 92, 231, 0.12);
  border-color: var(--primary-bright);
  color: #fff;
}

.btn:focus-visible,
.nav-item:focus-visible,
.fav-btn:focus-visible,
.search-box:focus-visible,
.faq-toggle:focus-visible,
.ghost-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ===== 数据条 ===== */
.stats-bar {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-default);
  padding: 40px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat-item {
  text-align: center;
}

.stat-item .stat-num {
  font-family: var(--font-num);
  font-size: 38px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
  margin-bottom: 4px;
}

.stat-item .stat-label {
  font-size: 14px;
  color: var(--text-sub);
}

/* ===== 板块通用 ===== */
.section {
  padding: 96px 0;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 48px;
}

.section-head h2 {
  font-size: 36px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.3;
}

.section-head .section-sub {
  font-size: 15px;
  color: var(--text-sub);
  max-width: 460px;
  margin-top: 8px;
}

/* ===== 亮点卡片 ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  transition: all 0.2s ease;
}

.feature-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-card);
  transform: translateY(-4px);
}

.feature-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(108, 92, 231, 0.15);
  border-radius: 12px;
  color: var(--primary-bright);
  margin-bottom: 20px;
}

.feature-icon svg {
  width: 26px;
  height: 26px;
}

.feature-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
}

/* ===== 场景 ===== */
.scene-section {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-default);
  border-bottom: 1px solid var(--border-default);
}

.scene-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.scene-card {
  display: flex;
  gap: 20px;
  background: var(--bg-base);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-card);
  padding: 28px;
  transition: all 0.2s ease;
}

.scene-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-card);
}

.scene-num {
  font-family: var(--font-num);
  font-size: 42px;
  font-weight: 800;
  color: rgba(233, 236, 245, 0.12);
  line-height: 1;
  flex-shrink: 0;
  transition: color 0.2s;
}

.scene-card:hover .scene-num {
  color: rgba(163, 230, 53, 0.7);
}

.scene-content h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}

.scene-content p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.65;
}

/* ===== 精选列表 ===== */
.entry-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.entry-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: all 0.25s ease;
}

.entry-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-card);
  transform: translateY(-4px);
}

.entry-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: linear-gradient(135deg, #1B1F2B, #211D40);
}

.entry-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.entry-card:hover .entry-cover img {
  transform: scale(1.04);
}

.entry-cover .entry-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(169, 166, 255, 0.9);
  color: #1B1F2B;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

.entry-body {
  padding: 20px;
}

.entry-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.5;
  margin-bottom: 8px;
  transition: color 0.2s;
}

.entry-card:hover .entry-body h3 {
  color: var(--accent);
}

.entry-summary {
  font-size: 13px;
  color: var(--text-sub);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
  min-height: 40px;
}

.entry-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  color: var(--text-disable);
  border-top: 1px solid var(--border-default);
  padding-top: 14px;
}

.entry-meta .meta-item {
  display: flex;
  align-items: center;
  gap: 5px;
}

.entry-meta .meta-link {
  margin-left: auto;
  color: var(--primary-bright);
  font-weight: 500;
}

.entry-meta .meta-link:hover {
  color: var(--accent);
}

/* ===== 流程 ===== */
.steps-section {
  background: linear-gradient(180deg, var(--bg-base) 0%, #10131C 100%);
}

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

.step-card {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-card);
  padding: 32px 24px 28px;
  transition: all 0.2s ease;
  text-align: center;
}

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

.step-num {
  width: 44px;
  height: 44px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(108, 92, 231, 0.15);
  border: 1px solid rgba(108, 92, 231, 0.3);
  border-radius: 50%;
  font-family: var(--font-num);
  font-weight: 800;
  font-size: 18px;
  color: #A9A6FF;
}

.step-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}

.step-card p {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.6;
}

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

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-card);
  margin-bottom: 16px;
  transition: border-color 0.25s ease;
  overflow: hidden;
}

.faq-item.open {
  border-color: rgba(108, 92, 231, 0.5);
}

.faq-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 20px 24px;
  text-align: left;
  gap: 16px;
}

.faq-toggle h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.5;
  flex: 1;
}

.faq-icon {
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #394050;
  border-radius: 50%;
  color: var(--text-sub);
  font-size: 18px;
  font-weight: 300;
  flex-shrink: 0;
  transition: all 0.25s ease;
}

.faq-item.open .faq-icon {
  background: rgba(108, 92, 231, 0.15);
  border-color: var(--primary);
  color: #A9A6FF;
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer-inner {
  padding: 0 24px 22px;
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
}

/* ===== CTA ===== */
.cta-section {
  position: relative;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-default);
  overflow: hidden;
  padding: 80px 0;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 700px;
  height: 400px;
  background: radial-gradient(circle, rgba(108, 92, 231, 0.2), transparent 60%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 14px;
}

.cta-content p {
  font-size: 15px;
  color: var(--text-sub);
  margin-bottom: 32px;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* ===== 页脚 ===== */
.site-footer {
  background: #0D1017;
  border-top: 1px solid var(--border-default);
  padding-top: 64px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-brand p {
  font-size: 13px;
  color: var(--text-sub);
  margin-top: 16px;
  line-height: 1.7;
  max-width: 300px;
}

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: 8px;
  color: var(--text-sub);
  font-size: 15px;
  transition: all 0.2s;
}

.footer-social a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 18px;
}

.footer-col ul {
  list-style: none;
}

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

.footer-col a {
  font-size: 14px;
  color: var(--text-sub);
  transition: color 0.2s;
}

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

.footer-bottom {
  border-top: 1px solid var(--border-default);
  padding: 20px 0;
}

.footer-bottom .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom span {
  font-size: 12px;
  color: var(--text-disable);
}

/* ===== 命令面板 ===== */
.cmd-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(11, 13, 18, 0.7);
  backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
}

.cmd-overlay.show {
  opacity: 1;
  visibility: visible;
}

.cmd-panel {
  position: absolute;
  top: 12vh;
  left: 50%;
  transform: translateX(-50%) scale(0.96);
  width: 560px;
  max-width: calc(100vw - 32px);
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: 16px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  transition: transform 0.25s ease;
}

.cmd-overlay.show .cmd-panel {
  transform: translateX(-50%) scale(1);
}

.cmd-search-input {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px 16px;
  border-bottom: 1px solid var(--border-default);
}

.cmd-search-input svg {
  width: 18px;
  height: 18px;
  color: var(--text-disable);
  flex-shrink: 0;
}

.cmd-search-input input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-main);
  font-size: 16px;
}

.cmd-search-input input::placeholder {
  color: var(--text-disable);
}

.cmd-groups {
  padding: 12px 0;
}

.cmd-group {
  margin-bottom: 8px;
}

.cmd-group-title {
  font-size: 12px;
  color: var(--text-disable);
  padding: 6px 20px;
  font-weight: 500;
}

.cmd-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  color: var(--text-main);
  font-size: 14px;
  transition: background 0.15s;
}

.cmd-item:hover {
  background: var(--bg-surface-2);
}

.cmd-item .cmd-hint {
  font-size: 11px;
  color: var(--text-disable);
}

.cmd-footer {
  display: flex;
  gap: 16px;
  align-items: center;
  padding: 12px 20px;
  background: var(--bg-base);
  border-top: 1px solid var(--border-default);
  font-size: 11px;
  color: var(--text-disable);
}

.cmd-footer kbd {
  font-family: var(--font-num);
  font-size: 10px;
  background: var(--bg-surface);
  border: 1px solid #2A3040;
  border-radius: 4px;
  padding: 2px 6px;
  color: var(--text-sub);
}

/* ===== 响应式 ===== */
@media (max-width: 1023px) {
  .search-box {
    width: 42px;
    padding: 8px 10px;
  }

  .search-box span,
  .search-box kbd {
    display: none;
  }

  .search-box svg {
    margin: 0 auto;
  }

  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .entry-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px 16px;
  }

  .cat-hero h1 {
    font-size: 42px;
  }
}

@media (max-width: 767px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: rgba(21, 24, 33, 0.97);
    border-bottom: 1px solid var(--border-default);
    padding: 20px;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    backdrop-filter: blur(12px);
  }

  .site-nav.open {
    display: flex;
  }

  .nav-item {
    padding: 14px 18px;
    text-align: left;
    border-radius: 10px;
    font-size: 16px;
  }

  .nav-item.active {
    background: rgba(108, 92, 231, 0.15);
  }

  .nav-cta {
    display: none;
  }

  .cat-hero {
    min-height: 380px;
  }

  .cat-hero h1 {
    font-size: 32px;
    line-height: 1.3;
  }

  .cat-hero .hero-desc {
    font-size: 16px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn-primary,
  .hero-actions .btn-outline {
    justify-content: center;
    width: 100%;
  }

  .section {
    padding: 64px 0;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 32px;
  }

  .section-head h2 {
    font-size: 26px;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .scene-grid {
    grid-template-columns: 1fr;
  }

  .entry-list {
    grid-template-columns: 1fr;
  }

  .steps-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px 12px;
  }

  .stat-item .stat-num {
    font-size: 30px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom .container {
    flex-direction: column;
    text-align: center;
  }

  .cmd-panel {
    top: 8vh;
    width: auto;
    margin: 0 16px;
  }

  .cta-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .cta-actions .btn-primary,
  .cta-actions .btn-outline {
    justify-content: center;
    width: 100%;
  }
}

@media (max-width: 520px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .scene-card {
    flex-direction: column;
  }

  .entry-meta {
    flex-wrap: wrap;
    gap: 8px;
  }

  .entry-meta .meta-link {
    margin-left: 0;
    width: 100%;
  }
}

/* roulang page: category2 */
:root {
  --bg-base: #0B0D12;
  --bg-surface: #151821;
  --bg-surface-2: #1B1F2B;
  --bg-input: #1A1F2C;
  --border-default: #262B38;
  --border-hover: rgba(108,92,231,0.5);
  --primary: #6C5CE7;
  --primary-bright: #7C6CF6;
  --accent: #A3E635;
  --accent-bright: #B8F55A;
  --text-main: #E9ECF5;
  --text-sub: #8A91A5;
  --text-disable: #5A6172;
  --danger: #FF6B6B;
  --radius-card: 14px;
  --radius-btn: 10px;
  --radius-pill: 999px;
  --shadow-card: 0 8px 30px rgba(0,0,0,0.35);
  --shadow-accent: 0 0 20px rgba(163,230,53,0.35);
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  --font-num: "Inter", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--bg-base); color: var(--text-main); font-family: var(--font-main); line-height: 1.75; word-break: break-word; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea { font-family: inherit; }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
@media (max-width: 767px) {
  .container { padding-left: 16px; padding-right: 16px; }
}

/* Buttons */
.btn-primary { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--accent); color: var(--bg-base); padding: 12px 22px; border-radius: var(--radius-btn); font-weight: 700; font-size: 15px; line-height: 1.4; transition: all 0.2s ease; border: 1px solid transparent; }
.btn-primary:hover { background: var(--accent-bright); box-shadow: var(--shadow-accent); transform: translateY(-1px); color: var(--bg-base); }
.btn-primary:active { transform: translateY(1px); box-shadow: none; }
.btn-primary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-outline { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: transparent; border: 1px solid var(--primary); color: #C5C9F5; padding: 12px 22px; border-radius: var(--radius-btn); font-weight: 600; font-size: 15px; line-height: 1.4; transition: all 0.2s ease; }
.btn-outline:hover { background: rgba(108,92,231,0.12); border-color: var(--primary-bright); color: #E9ECF5; }
.btn-outline:focus-visible { outline: 2px solid var(--primary-bright); outline-offset: 2px; }
.btn-ghost { display: inline-flex; align-items: center; gap: 6px; color: var(--text-sub); font-size: 14px; font-weight: 500; padding: 8px 4px; transition: color 0.2s; }
.btn-ghost:hover { color: var(--accent); }
.btn-ghost:hover .arrow { transform: translateX(3px); }
.btn-ghost .arrow { transition: transform 0.2s; }
.btn-sm { padding: 9px 16px; font-size: 14px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(21,24,33,0.8); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--border-default); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 20px; }
.brand-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-icon { width: 34px; height: 34px; border-radius: 8px; background: linear-gradient(135deg, var(--primary), #4A3FBF); display: flex; align-items: center; justify-content: center; color: #fff; flex-shrink: 0; }
.brand-icon svg { width: 18px; height: 18px; }
.brand-text { font-size: 19px; font-weight: 800; color: var(--text-main); letter-spacing: 0.01em; white-space: nowrap; }
.brand-text em { font-style: normal; color: var(--accent); }
.site-nav { display: flex; align-items: center; gap: 4px; }
.nav-item { padding: 8px 16px; border-radius: var(--radius-pill); font-size: 14px; font-weight: 500; color: var(--text-sub); transition: all 0.2s ease; white-space: nowrap; }
.nav-item:hover { color: var(--text-main); background: rgba(108,92,231,0.1); }
.nav-item.active { background: rgba(108,92,231,0.2); color: var(--text-main); font-weight: 600; }
.header-actions { display: flex; align-items: center; gap: 10px; }
.cmd-trigger { display: flex; align-items: center; gap: 8px; background: var(--bg-input); border: 1px solid var(--border-default); border-radius: var(--radius-btn); padding: 8px 12px; width: 200px; color: var(--text-disable); font-size: 13px; transition: all 0.2s; text-align: left; }
.cmd-trigger:hover, .cmd-trigger:focus { border-color: var(--primary); color: var(--text-sub); outline: none; }
.cmd-trigger kbd { margin-left: auto; background: var(--bg-surface-2); border: 1px solid var(--border-default); border-radius: 4px; padding: 1px 6px; font-size: 11px; font-family: var(--font-num); color: var(--text-disable); }
.icon-btn { width: 36px; height: 36px; border-radius: 10px; border: 1px solid var(--border-default); background: transparent; color: var(--text-sub); display: flex; align-items: center; justify-content: center; font-size: 16px; transition: all 0.2s; flex-shrink: 0; }
.icon-btn:hover { background: rgba(108,92,231,0.12); border-color: var(--primary); color: var(--text-main); }
.icon-btn.faved { background: var(--accent); color: var(--bg-base); border-color: var(--accent); }
.menu-toggle { display: none; width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--border-default); background: transparent; color: var(--text-main); font-size: 20px; align-items: center; justify-content: center; flex-shrink: 0; }
.menu-toggle svg { width: 20px; height: 20px; }

/* Hero */
.cat-hero { position: relative; padding: 100px 0; background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat; overflow: hidden; }
.cat-hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(107deg, rgba(11,13,18,0.92) 0%, rgba(11,13,18,0.62) 45%, rgba(11,13,18,0.35) 70%, rgba(11,13,18,0.55) 100%); }
.cat-hero::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 120px; background: linear-gradient(transparent, var(--bg-base)); }
.hero-content { position: relative; z-index: 2; max-width: 760px; }
.hero-badge { display: inline-flex; align-items: center; gap: 6px; background: rgba(108,92,231,0.18); border: 1px solid rgba(108,92,231,0.3); color: #A9A6FF; font-size: 13px; font-weight: 600; padding: 5px 14px; border-radius: var(--radius-pill); margin-bottom: 22px; }
.hero-badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.hero-title { font-size: 52px; font-weight: 800; color: var(--text-main); line-height: 1.2; margin-bottom: 18px; letter-spacing: 0.01em; }
.hero-title span { color: var(--accent); }
.hero-desc { font-size: 17px; color: var(--text-sub); line-height: 1.8; margin-bottom: 32px; max-width: 640px; }
.hero-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.hero-meta { display: flex; align-items: center; gap: 24px; margin-top: 36px; font-size: 13px; color: var(--text-disable); flex-wrap: wrap; }
.hero-meta span { display: flex; align-items: center; gap: 6px; }
.hero-meta i { font-style: normal; color: var(--text-sub); font-weight: 600; }
@media (max-width: 767px) {
  .cat-hero { padding: 64px 0; }
  .hero-title { font-size: 32px; }
  .hero-desc { font-size: 15px; }
  .hero-actions .btn-primary, .hero-actions .btn-outline { width: 100%; }
  .hero-meta { gap: 14px; }
}

/* Stats */
.cat-stats { padding: 56px 0 24px; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat-card { background: var(--bg-surface); border: 1px solid var(--border-default); border-radius: var(--radius-card); padding: 28px 24px; text-align: center; transition: all 0.25s ease; }
.stat-card:hover { border-color: var(--border-hover); transform: translateY(-3px); box-shadow: var(--shadow-card); }
.stat-num { font-family: var(--font-num); font-size: 36px; font-weight: 800; color: var(--accent); line-height: 1.2; margin-bottom: 6px; }
.stat-label { font-size: 14px; color: var(--text-sub); }
@media (max-width: 1023px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .stats-grid { grid-template-columns: 1fr; }
}

/* Section common */
.section { padding: 72px 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 36px; flex-wrap: wrap; }
.section-head h2 { font-size: 32px; font-weight: 800; color: var(--text-main); line-height: 1.3; }
.section-head .section-sub { font-size: 15px; color: var(--text-sub); margin-top: 8px; font-weight: 400; }
.section-head .head-link { font-size: 14px; font-weight: 500; color: var(--text-sub); display: inline-flex; align-items: center; gap: 5px; transition: color 0.2s; }
.section-head .head-link:hover { color: var(--accent); }
@media (max-width: 767px) {
  .section { padding: 56px 0; }
  .section-head h2 { font-size: 24px; }
}

/* Entry list */
.cat-list-section { background: var(--bg-base); }
.cat-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.cat-list-item { display: flex; gap: 18px; background: var(--bg-surface); border: 1px solid var(--border-default); border-radius: var(--radius-card); padding: 16px; transition: all 0.25s ease; align-items: flex-start; }
.cat-list-item:hover { border-color: var(--border-hover); transform: translateY(-3px); box-shadow: var(--shadow-card); }
.cat-list-item .item-thumb { width: 160px; height: 100px; border-radius: 10px; overflow: hidden; flex-shrink: 0; background: linear-gradient(135deg, var(--bg-surface-2), #211D40); }
.cat-list-item .item-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s ease; }
.cat-list-item:hover .item-thumb img { transform: scale(1.05); }
.item-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 6px; }
.item-tag { display: inline-flex; align-items: center; width: fit-content; background: rgba(108,92,231,0.18); color: #9B9DEF; font-size: 12px; font-weight: 500; padding: 3px 10px; border-radius: var(--radius-pill); }
.item-tag.hot { background: var(--accent); color: var(--bg-base); font-weight: 700; }
.item-title { font-size: 17px; font-weight: 700; color: var(--text-main); line-height: 1.45; transition: color 0.2s; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.cat-list-item:hover .item-title { color: var(--accent); }
.item-desc { font-size: 13px; color: var(--text-sub); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.item-meta { display: flex; align-items: center; gap: 12px; font-size: 12px; color: var(--text-disable); margin-top: 4px; flex-wrap: wrap; }
.item-meta .read-more { margin-left: auto; color: var(--primary-bright); font-weight: 500; transition: color 0.2s; }
.item-meta .read-more:hover { color: var(--accent); }
@media (max-width: 1023px) {
  .cat-list { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .cat-list-item { flex-direction: column; }
  .cat-list-item .item-thumb { width: 100%; height: 140px; }
}

/* Spotlight */
.spotlight-section { background: var(--bg-surface); border-top: 1px solid var(--border-default); border-bottom: 1px solid var(--border-default); }
.spotlight-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center; }
.spotlight-media { border-radius: var(--radius-card); overflow: hidden; background: linear-gradient(135deg, var(--bg-surface-2), #211D40); }
.spotlight-media img { width: 100%; height: 100%; object-fit: cover; min-height: 280px; }
.spotlight-content h3 { font-size: 28px; font-weight: 800; margin-bottom: 16px; color: var(--text-main); }
.spotlight-content p { color: var(--text-sub); font-size: 15px; line-height: 1.8; margin-bottom: 20px; }
.spotlight-list { display: grid; gap: 12px; margin-bottom: 24px; }
.spotlight-list li { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--text-sub); }
.spotlight-list li::before { content: '✓'; color: var(--accent); font-weight: 700; flex-shrink: 0; }
@media (max-width: 1023px) {
  .spotlight-grid { grid-template-columns: 1fr; gap: 28px; }
}

/* Related */
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card { background: var(--bg-surface); border: 1px solid var(--border-default); border-radius: var(--radius-card); padding: 20px; display: flex; flex-direction: column; gap: 12px; transition: all 0.25s ease; }
.related-card:hover { border-color: var(--border-hover); transform: translateY(-3px); box-shadow: var(--shadow-card); }
.related-card .related-thumb { height: 120px; border-radius: 10px; overflow: hidden; background: linear-gradient(135deg, var(--bg-surface-2), #211D40); }
.related-card .related-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s; }
.related-card:hover .related-thumb img { transform: scale(1.04); }
.related-card h4 { font-size: 16px; font-weight: 700; color: var(--text-main); line-height: 1.4; transition: color 0.2s; }
.related-card:hover h4 { color: var(--accent); }
.related-card .tag { font-size: 12px; color: var(--text-disable); }
@media (max-width: 1023px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .related-grid { grid-template-columns: 1fr; }
}

/* FAQ */
.faq-section { background: var(--bg-base); }
.faq-list { max-width: 820px; margin: 0 auto; display: grid; gap: 14px; }
.faq-item { background: var(--bg-surface); border: 1px solid var(--border-default); border-radius: var(--radius-card); padding: 0; transition: all 0.25s ease; }
.faq-item.open { border-color: rgba(108,92,231,0.5); }
.faq-q { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 22px; cursor: pointer; width: 100%; text-align: left; font-size: 16px; font-weight: 600; color: var(--text-main); transition: color 0.2s; }
.faq-q:hover { color: var(--accent); }
.faq-icon { width: 24px; height: 24px; border-radius: 50%; border: 1px solid #394050; display: flex; align-items: center; justify-content: center; font-size: 15px; color: var(--text-sub); flex-shrink: 0; transition: all 0.25s ease; line-height: 1; }
.faq-item.open .faq-icon { background: rgba(108,92,231,0.15); border-color: var(--primary); color: var(--primary-bright); transform: rotate(45deg); }
.faq-a { display: none; padding: 0 22px 20px; font-size: 14px; color: var(--text-sub); line-height: 1.7; }
.faq-item.open .faq-a { display: block; }
@media (max-width: 767px) {
  .faq-q { padding: 16px; font-size: 15px; }
  .faq-a { padding: 0 16px 16px; }
}

/* CTA */
.cta-section { position: relative; padding: 80px 0; background: var(--bg-surface) url('/assets/images/backpic/back-3.webp') center/cover no-repeat; border-top: 1px solid var(--border-default); overflow: hidden; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: rgba(11,13,18,0.82); }
.cta-section::after { content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 700px; height: 400px; background: radial-gradient(circle, rgba(108,92,231,0.25), transparent 65%); pointer-events: none; }
.cta-inner { position: relative; z-index: 2; text-align: center; max-width: 640px; margin: 0 auto; }
.cta-inner h2 { font-size: 34px; font-weight: 800; color: var(--text-main); margin-bottom: 14px; }
.cta-inner p { font-size: 15px; color: var(--text-sub); margin-bottom: 30px; }
.cta-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }
@media (max-width: 767px) {
  .cta-section { padding: 56px 0; }
  .cta-inner h2 { font-size: 26px; }
  .cta-actions .btn-primary, .cta-actions .btn-outline { flex: 1 1 45%; min-width: 130px; }
}

/* Footer */
.site-footer { background: #0D1017; border-top: 1px solid var(--border-default); padding: 56px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 40px; }
.footer-brand p { color: var(--text-sub); font-size: 14px; margin-top: 16px; line-height: 1.7; max-width: 320px; }
.footer-social { display: flex; gap: 10px; margin-top: 18px; }
.footer-social a { width: 34px; height: 34px; border-radius: 10px; border: 1px solid var(--border-default); display: flex; align-items: center; justify-content: center; color: var(--text-sub); font-size: 15px; transition: all 0.2s; }
.footer-social a:hover { border-color: var(--primary); color: var(--accent); background: rgba(108,92,231,0.1); }
.footer-col h4 { font-size: 15px; font-weight: 700; color: var(--text-main); margin-bottom: 18px; }
.footer-col ul { display: grid; gap: 10px; }
.footer-col a { color: var(--text-sub); font-size: 14px; transition: color 0.2s; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid var(--border-default); padding: 20px 0; }
.footer-bottom .container { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; font-size: 13px; color: var(--text-disable); }
.footer-bottom a { color: var(--text-disable); }
.footer-bottom a:hover { color: var(--text-sub); }
@media (max-width: 1023px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
  .footer-grid { grid-template-columns: 1fr; gap: 28px; padding-bottom: 28px; }
  .footer-bottom .container { flex-direction: column; text-align: center; }
}

/* Command Panel */
.cmd-overlay { position: fixed; inset: 0; z-index: 200; background: rgba(11,13,18,0.7); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); display: none; align-items: flex-start; justify-content: center; padding: 10vh 20px 20px; }
.cmd-overlay.open { display: flex; }
.cmd-panel { width: 100%; max-width: 560px; background: var(--bg-surface); border: 1px solid var(--border-default); border-radius: 16px; overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,0.5); animation: cmdIn 0.2s ease; }
@keyframes cmdIn { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }
.cmd-input-wrap { display: flex; align-items: center; gap: 10px; padding: 16px 18px; border-bottom: 1px solid var(--border-default); }
.cmd-input-wrap svg { width: 18px; height: 18px; color: var(--text-disable); flex-shrink: 0; }
.cmd-input { flex: 1; background: transparent; border: none; color: var(--text-main); font-size: 15px; outline: none; }
.cmd-input::placeholder { color: var(--text-disable); }
.cmd-tip { font-size: 11px; color: var(--text-disable); }
.cmd-results { padding: 10px 0; max-height: 380px; overflow-y: auto; }
.cmd-group { padding: 8px 18px 4px; font-size: 12px; color: var(--text-disable); font-weight: 600; }
.cmd-item { display: flex; align-items: center; gap: 10px; padding: 10px 18px; font-size: 14px; color: var(--text-main); transition: background 0.15s; cursor: pointer; }
.cmd-item:hover { background: var(--bg-surface-2); }
.cmd-item .cmd-item-type { margin-left: auto; font-size: 11px; color: var(--text-disable); background: var(--bg-input); padding: 2px 8px; border-radius: var(--radius-pill); }
.cmd-footer { display: flex; gap: 16px; padding: 12px 18px; border-top: 1px solid var(--border-default); font-size: 11px; color: var(--text-disable); }

/* Mobile nav */
.mobile-menu { display: none; }
@media (max-width: 1023px) {
  .site-nav { display: none; }
  .menu-toggle { display: flex; }
  .cmd-trigger { width: 42px; padding: 8px; justify-content: center; }
  .cmd-trigger span { display: none; }
  .cmd-trigger kbd { display: none; }
}
@media (max-width: 767px) {
  .header-inner { gap: 10px; }
  .header-actions { gap: 6px; }
  .brand-text { font-size: 17px; }
  .mobile-menu.open { display: block; position: fixed; top: 68px; left: 0; right: 0; z-index: 99; background: var(--bg-surface); border-bottom: 1px solid var(--border-default); padding: 20px 16px; box-shadow: 0 20px 40px rgba(0,0,0,0.4); }
  .mobile-menu .nav-item { display: block; padding: 12px 16px; font-size: 15px; border-radius: var(--radius-btn); margin-bottom: 4px; }
  .mobile-menu .nav-item.active { background: rgba(108,92,231,0.2); }
  .mobile-menu .mobile-actions { display: grid; gap: 10px; margin-top: 16px; }
  .mobile-menu .btn-primary { width: 100%; }
}

img { border-radius: 0; }

/* roulang page: article */
:root {
            --bg-base: #0B0D12;
            --bg-surface: #151821;
            --bg-surface-2: #1B1F2B;
            --bg-input: #1A1F2C;
            --border-default: #262B38;
            --border-hover: rgba(108, 92, 231, 0.5);
            --primary: #6C5CE7;
            --primary-bright: #7C6CF6;
            --accent: #A3E635;
            --accent-bright: #B8F55A;
            --text-main: #E9ECF5;
            --text-sub: #8A91A5;
            --text-disable: #5A6172;
            --danger: #FF6B6B;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-pill: 999px;
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.35);
            --shadow-accent: 0 0 20px rgba(163, 230, 53, 0.35);
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

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

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

        input {
            font-family: inherit;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== Header & Nav ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(21, 24, 33, 0.82);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-default);
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 16px;
            height: 72px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
            transition: opacity 0.2s ease;
        }

        .brand-logo:hover {
            opacity: 0.9;
        }

        .brand-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, #4A3FBF, #6C5CE7);
            color: #fff;
            box-shadow: 0 4px 16px rgba(108, 92, 231, 0.32);
        }

        .brand-icon svg {
            width: 20px;
            height: 20px;
        }

        .brand-text {
            font-size: 18px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

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

        .site-nav {
            display: flex;
            gap: 2px;
            margin-left: auto;
            align-items: center;
        }

        .nav-item {
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            color: var(--text-sub);
            font-size: 14px;
            font-weight: 500;
            transition: all 0.2s ease;
        }

        .nav-item:hover {
            color: var(--text-main);
            background: rgba(108, 92, 231, 0.1);
        }

        .nav-item.active {
            color: var(--text-main);
            background: rgba(108, 92, 231, 0.2);
        }

        .header-tools {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            width: 200px;
            padding: 8px 12px;
            border-radius: 10px;
            background: var(--bg-input);
            border: 1px solid #2A3040;
            cursor: pointer;
            color: var(--text-disable);
            font-size: 13px;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .search-box:hover,
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.15);
        }

        .search-box svg {
            width: 15px;
            height: 15px;
            flex-shrink: 0;
        }

        .search-box span {
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .search-box kbd {
            margin-left: auto;
            font-size: 11px;
            padding: 2px 6px;
            border-radius: 4px;
            background: #242A38;
            border: 1px solid #2E3545;
            color: var(--text-sub);
            white-space: nowrap;
        }

        .icon-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            color: var(--text-sub);
            font-size: 18px;
            transition: all 0.2s ease;
        }

        .icon-btn:hover {
            background: rgba(108, 92, 231, 0.12);
            color: var(--text-main);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 20px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 700;
            line-height: 1;
            transition: all 0.2s ease;
            border: 1px solid transparent;
        }

        .btn-primary {
            background: var(--accent);
            color: #0B0D12;
        }

        .btn-primary:hover {
            background: var(--accent-bright);
            box-shadow: var(--shadow-accent);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }

        .btn-outline {
            border-color: var(--primary);
            color: #C5C9F5;
            background: transparent;
        }

        .btn-outline:hover {
            background: rgba(108, 92, 231, 0.12);
            border-color: var(--primary-bright);
        }

        .btn-ghost {
            color: var(--text-sub);
            background: transparent;
            border: 1px solid transparent;
        }

        .btn-ghost:hover {
            color: var(--accent);
            text-decoration: underline;
        }

        .header-cta {
            padding: 10px 18px;
            white-space: nowrap;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            border: 1px solid var(--border-default);
            background: var(--bg-input);
            color: var(--text-main);
            transition: all 0.2s ease;
        }

        .hamburger svg {
            width: 20px;
            height: 20px;
        }

        .hamburger:hover {
            border-color: var(--primary);
        }

        /* ========== Article Banner ========== */
        .article-banner {
            position: relative;
            padding: 72px 0 56px;
            background:
                linear-gradient(120deg, rgba(11, 13, 18, 0.95) 0%, rgba(11, 13, 18, 0.85) 45%, rgba(108, 92, 231, 0.22) 100%),
                url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            border-bottom: 1px solid var(--border-default);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-sub);
            margin-bottom: 36px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-sub);
            transition: color 0.2s ease;
        }

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

        .breadcrumb i {
            font-style: normal;
            color: var(--text-disable);
        }

        .breadcrumb .current {
            color: var(--text-main);
            font-weight: 600;
            max-width: 280px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .article-heading {
            max-width: 800px;
        }

        .eyebrow {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            background: rgba(108, 92, 231, 0.18);
            color: #A9A6FF;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .article-heading h1 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 18px;
            letter-spacing: 0.01em;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-sub);
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
        }

        .meta-divider {
            color: var(--text-disable);
        }

        /* ========== Article Wrap ========== */
        .article-wrap {
            max-width: 880px;
            margin: 0 auto;
            padding: 56px 24px 0;
        }

        .article-cover {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-default);
            margin-bottom: 40px;
            background: linear-gradient(135deg, #1B1F2B, #211D40);
        }

        .article-cover img {
            width: 100%;
            height: auto;
            aspect-ratio: 16 / 9;
            object-fit: cover;
        }

        .article-content {
            max-width: 720px;
            margin: 0 auto;
            font-size: 16px;
            line-height: 1.8;
            color: #C2C8D6;
            letter-spacing: 0.02em;
        }

        .article-content h2 {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-main);
            margin: 40px 0 16px;
            line-height: 1.4;
        }

        .article-content h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin: 32px 0 12px;
            line-height: 1.4;
        }

        .article-content h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin: 24px 0 12px;
        }

        .article-content p {
            margin: 0 0 24px;
        }

        .article-content a {
            color: var(--primary-bright);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-content a:hover {
            color: var(--accent);
        }

        .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(108, 92, 231, 0.06);
            padding: 16px 20px;
            margin: 24px 0;
            border-radius: 0 10px 10px 0;
            color: var(--text-sub);
        }

        .article-content blockquote p {
            margin: 0;
        }

        .article-content img {
            width: 100%;
            height: auto;
            border-radius: 10px;
            margin: 24px 0;
            border: 1px solid var(--border-default);
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 24px;
            padding-left: 24px;
        }

        .article-content li {
            margin-bottom: 8px;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 14px;
            display: block;
            overflow-x: auto;
        }

        .article-content th,
        .article-content td {
            border: 1px solid var(--border-default);
            padding: 10px 14px;
            text-align: left;
        }

        .article-content th {
            background: var(--bg-surface-2);
            color: var(--text-main);
            font-weight: 600;
        }

        .article-content code {
            background: var(--bg-surface-2);
            padding: 2px 6px;
            border-radius: 5px;
            font-size: 14px;
            color: var(--accent);
        }

        .article-not-found {
            text-align: center;
            padding: 80px 24px;
            background: var(--bg-surface);
            border: 1px dashed #343B4C;
            border-radius: var(--radius-card);
        }

        .not-found-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            font-weight: 800;
            color: var(--text-disable);
            background: var(--bg-surface-2);
            border: 1px solid var(--border-default);
        }

        .article-not-found h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .article-not-found p {
            color: var(--text-sub);
            font-size: 14px;
            margin-bottom: 24px;
        }

        /* ========== Article Tags ========== */
        .article-tags {
            max-width: 720px;
            margin: 40px auto 0;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tags-label {
            font-size: 13px;
            color: var(--text-disable);
        }

        .article-tag {
            display: inline-block;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            background: rgba(108, 92, 231, 0.18);
            color: #9B9DEF;
            font-size: 12px;
            font-weight: 500;
            transition: all 0.2s ease;
        }

        .article-tag:hover {
            background: rgba(108, 92, 231, 0.32);
            color: #fff;
        }

        /* ========== Related Posts ========== */
        .related-posts {
            max-width: 880px;
            margin: 0 auto;
            padding: 72px 24px 0;
        }

        .related-posts h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 32px;
        }

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

        .related-card {
            display: flex;
            flex-direction: column;
            background: var(--bg-surface);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all 0.25s ease;
        }

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

        .related-thumb {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: linear-gradient(135deg, #1B1F2B, #211D40);
        }

        .related-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .related-card:hover .related-thumb img {
            transform: scale(1.03);
        }

        .related-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .badge {
            display: inline-block;
            padding: 4px 10px;
            border-radius: var(--radius-pill);
            background: rgba(108, 92, 231, 0.18);
            color: #9B9DEF;
            font-size: 12px;
            font-weight: 500;
            width: fit-content;
        }

        .related-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
            transition: color 0.2s ease;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card:hover .related-body h3 {
            color: var(--accent);
        }

        .related-body p {
            font-size: 13px;
            color: var(--text-sub);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-top: auto;
        }

        /* ========== Article Pager ========== */
        .article-pager {
            max-width: 880px;
            margin: 0 auto;
            padding: 56px 24px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }

        .pager-links {
            display: flex;
            gap: 12px;
        }

        .pager-link {
            display: inline-block;
            padding: 8px 16px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border-default);
            color: var(--text-disable);
            font-size: 13px;
            cursor: not-allowed;
            transition: all 0.2s ease;
        }

        .pager-link.disabled {
            opacity: 0.6;
        }

        /* ========== CTA ========== */
        .cta-section {
            margin-top: 80px;
            background: var(--bg-surface);
            border-top: 1px solid var(--border-default);
            border-bottom: 1px solid var(--border-default);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at center, rgba(108, 92, 231, 0.22), transparent 65%);
        }

        .cta-inner {
            position: relative;
            text-align: center;
            padding: 80px 24px;
        }

        .cta-inner h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .cta-inner p {
            color: var(--text-sub);
            font-size: 15px;
            margin-bottom: 32px;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .cta-buttons .btn {
            min-width: 140px;
        }

        .btn.faved {
            background: var(--accent);
            border-color: var(--accent);
            color: #0B0D12;
            box-shadow: var(--shadow-accent);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #0D1017;
            border-top: 1px solid var(--border-default);
            margin-top: 80px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding: 64px 24px 48px;
        }

        .footer-brand .brand-logo {
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--text-sub);
            max-width: 320px;
            line-height: 1.7;
        }

        .footer-social {
            display: flex;
            gap: 10px;
            margin-top: 20px;
        }

        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--bg-surface);
            border: 1px solid var(--border-default);
            color: var(--text-sub);
            font-size: 16px;
            transition: all 0.2s ease;
        }

        .footer-social a:hover {
            background: rgba(108, 92, 231, 0.15);
            border-color: var(--primary);
            color: var(--text-main);
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 20px;
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col li {
            margin-bottom: 12px;
        }

        .footer-col a {
            font-size: 13px;
            color: var(--text-sub);
            transition: color 0.2s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-default);
            padding: 20px 0;
        }

        .footer-bottom .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 12px;
            color: var(--text-disable);
        }

        /* ========== Command Panel ========== */
        .cmd-overlay {
            position: fixed;
            inset: 0;
            z-index: 200;
            background: rgba(11, 13, 18, 0.72);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            display: flex;
            align-items: flex-start;
            justify-content: center;
            padding: 12vh 16px 0;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.22s ease, visibility 0.22s ease;
        }

        .cmd-overlay.open {
            opacity: 1;
            visibility: visible;
        }

        .cmd-panel {
            width: 100%;
            max-width: 560px;
            background: var(--bg-surface);
            border: 1px solid var(--border-default);
            border-radius: 16px;
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transform: translateY(-8px);
            transition: transform 0.22s ease;
        }

        .cmd-overlay.open .cmd-panel {
            transform: translateY(0);
        }

        .cmd-search {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 16px 18px;
            border-bottom: 1px solid var(--border-default);
        }

        .cmd-search svg {
            width: 18px;
            height: 18px;
            color: var(--text-disable);
            flex-shrink: 0;
        }

        .cmd-search input {
            flex: 1;
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-main);
            font-size: 15px;
        }

        .cmd-search input::placeholder {
            color: var(--text-disable);
        }

        .cmd-search kbd {
            font-size: 11px;
            padding: 3px 7px;
            border-radius: 5px;
            background: var(--bg-input);
            border: 1px solid #2E3545;
            color: var(--text-sub);
        }

        .cmd-results {
            padding: 12px;
            max-height: 360px;
            overflow-y: auto;
        }

        .cmd-group {
            font-size: 12px;
            color: var(--text-disable);
            padding: 8px 10px 6px;
            font-weight: 600;
        }

        .cmd-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 11px 12px;
            border-radius: 8px;
            color: var(--text-main);
            font-size: 14px;
            transition: background 0.15s ease;
        }

        .cmd-item:hover {
            background: var(--bg-surface-2);
        }

        .cmd-item span {
            font-size: 11px;
            color: var(--text-disable);
        }

        .cmd-footer {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            padding: 12px;
            border-top: 1px solid var(--border-default);
            font-size: 11px;
            color: var(--text-disable);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1023px) {
            .header-tools .search-box {
                width: 150px;
            }

            .header-cta {
                display: none;
            }

            .article-heading h1 {
                font-size: 30px;
            }

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

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 767px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .header-inner {
                height: 64px;
                gap: 8px;
            }

            .header-tools .search-box,
            .header-tools .icon-btn {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .site-nav {
                position: fixed;
                top: 64px;
                left: 16px;
                right: 16px;
                background: var(--bg-surface);
                border: 1px solid var(--border-default);
                border-radius: var(--radius-card);
                box-shadow: var(--shadow-card);
                flex-direction: column;
                padding: 12px;
                gap: 4px;
                margin-left: 0;
                display: none;
                z-index: 99;
            }

            .site-nav.open {
                display: flex;
            }

            .nav-item {
                width: 100%;
                text-align: center;
                padding: 14px 16px;
                font-size: 16px;
            }

            .article-banner {
                padding: 48px 0 40px;
            }

            .article-heading h1 {
                font-size: 26px;
            }

            .article-wrap {
                padding: 40px 16px 0;
            }

            .article-content {
                font-size: 15px;
            }

            .article-content h2 {
                font-size: 21px;
            }

            .article-content h3 {
                font-size: 18px;
            }

            .article-pager {
                padding: 40px 16px 0;
                flex-direction: column;
                align-items: stretch;
            }

            .pager-links {
                justify-content: space-between;
            }

            .related-posts {
                padding: 56px 16px 0;
            }

            .related-grid {
                grid-template-columns: 1fr;
            }

            .cta-inner {
                padding: 56px 16px;
            }

            .cta-inner h2 {
                font-size: 24px;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }

            .cta-buttons .btn {
                width: 100%;
                max-width: 280px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                padding: 48px 16px 32px;
                gap: 32px;
            }

            .footer-bottom .container {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }

            .cmd-overlay {
                padding: 8vh 12px 0;
            }

            .cmd-panel {
                max-width: 100%;
            }
        }

        @media (min-width: 768px) and (max-width: 1023px) {
            .header-tools .search-box {
                width: 150px;
            }

            .header-cta {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .article-heading h1 {
                font-size: 22px;
            }

            .article-meta {
                font-size: 12px;
            }

            .article-cover {
                margin-bottom: 28px;
            }

            .article-tags {
                margin-top: 28px;
            }
        }

/* roulang page: category3 */
:root {
  --bg-base: #0B0D12;
  --bg-surface: #151821;
  --bg-surface-2: #1B1F2B;
  --bg-input: #1A1F2C;
  --border-default: #262B38;
  --border-hover: rgba(108,92,231,0.5);
  --primary: #6C5CE7;
  --primary-bright: #7C6CF6;
  --accent: #A3E635;
  --accent-bright: #B8F55A;
  --text-main: #E9ECF5;
  --text-sub: #8A91A5;
  --text-disable: #5A6172;
  --danger: #FF6B6B;
  --radius-card: 14px;
  --radius-btn: 10px;
  --radius-pill: 999px;
  --shadow-card: 0 8px 30px rgba(0,0,0,0.35);
  --shadow-accent: 0 0 20px rgba(163,230,53,0.35);
  --font-sans: "PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num: Inter,Arial,sans-serif;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;word-break:break-word}
body{
  background:var(--bg-base);
  color:var(--text-main);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input{font-family:inherit}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:700;line-height:1;
  padding:13px 22px;border-radius:var(--radius-btn);
  transition:all .2s ease;min-height:44px;white-space:nowrap;
}
.btn-primary{
  background:var(--accent);color:#0B0D12;
}
.btn-primary:hover{
  background:var(--accent-bright);
  box-shadow:var(--shadow-accent);
  transform:translateY(-1px);
}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-outline{
  background:transparent;border:1px solid var(--primary);color:#C5C9F5;
}
.btn-outline:hover{
  background:rgba(108,92,231,.12);
  border-color:var(--primary-bright);
  color:#E9ECF5;
}
.btn-ghost{
  background:transparent;color:var(--text-sub);padding:8px 4px;border-radius:var(--radius-btn);
}
.btn-ghost:hover{color:var(--accent);text-decoration:underline}
.btn:focus-visible,a:focus-visible,button:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;
}

/* Header 导航 */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(21,24,33,.8);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border-default);
}
.header-inner{
  display:flex;align-items:center;gap:24px;
  height:68px;
}
.brand-logo{
  display:inline-flex;align-items:center;gap:10px;
  flex-shrink:0;
}
.brand-icon{
  width:38px;height:38px;border-radius:8px;
  background:var(--primary);
  display:flex;align-items:center;justify-content:center;
  color:#fff;flex-shrink:0;
}
.brand-icon svg{width:22px;height:22px}
.brand-text{
  font-size:20px;font-weight:800;color:var(--text-main);
  letter-spacing:-.01em;white-space:nowrap;
}
.brand-text em{
  font-style:normal;color:var(--accent);
}
.site-nav{
  display:flex;align-items:center;gap:6px;
  margin-left:12px;flex:1;
}
.nav-item{
  display:inline-flex;align-items:center;height:40px;
  padding:0 16px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;color:var(--text-sub);
  transition:all .2s ease;
}
.nav-item:hover{color:var(--text-main);background:rgba(108,92,231,.1)}
.nav-item.active{
  background:rgba(108,92,231,.2);
  color:var(--text-main);
}
.header-actions{
  display:flex;align-items:center;gap:10px;
  margin-left:auto;flex-shrink:0;
}
.search-trigger{
  display:flex;align-items:center;gap:8px;
  width:200px;height:40px;
  padding:0 12px;
  background:var(--bg-input);
  border:1px solid var(--border-default);
  border-radius:var(--radius-btn);
  color:var(--text-disable);
  font-size:14px;
  cursor:text;
  transition:all .2s ease;
}
.search-trigger:hover,.search-trigger:focus-within{
  border-color:var(--primary);
  color:var(--text-sub);
}
.search-trigger svg{width:16px;height:16px;flex-shrink:0}
.search-trigger .kbd{
  margin-left:auto;
  padding:2px 7px;
  background:var(--bg-surface-2);
  border:1px solid var(--border-default);
  border-radius:5px;
  font-size:12px;font-family:var(--font-num);
  color:var(--text-disable);
}
.fav-btn{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--radius-btn);
  color:var(--text-sub);
  border:1px solid transparent;
  transition:all .2s ease;
  font-size:18px;
}
.fav-btn:hover{
  background:rgba(108,92,231,.12);
  color:var(--text-main);
  border-color:var(--border-hover);
}
.header-cta{
  padding:10px 18px;font-size:14px;min-height:40px;
}
.hamburger{
  display:none;width:40px;height:40px;
  align-items:center;justify-content:center;
  border:1px solid var(--border-default);
  border-radius:var(--radius-btn);
  color:var(--text-main);font-size:20px;
}

/* Hero */
.page-hero{
  position:relative;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  min-height:380px;
  display:flex;align-items:center;
  padding:100px 0;
}
.page-hero::before{
  content:'';
  position:absolute;inset:0;
  background:linear-gradient(115deg,#0B0D12 20%,rgba(11,13,18,.55) 55%,rgba(11,13,18,.75) 100%);
}
.page-hero::after{
  content:'';
  position:absolute;left:0;right:0;bottom:0;height:80px;
  background:linear-gradient(to bottom,transparent,#0B0D12);
}
.hero-inner{position:relative;z-index:2;max-width:700px}
.hero-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;
  background:rgba(108,92,231,.18);
  border-radius:var(--radius-pill);
  color:#A9A6FF;
  font-size:13px;font-weight:600;
}
.page-hero h1{
  font-size:48px;line-height:1.2;font-weight:800;
  margin-top:20px;color:var(--text-main);
  letter-spacing:-.02em;
}
.page-hero .hero-desc{
  margin-top:16px;
  font-size:18px;line-height:1.7;
  color:var(--text-sub);
  max-width:560px;
}
.hero-meta{
  margin-top:28px;display:flex;flex-wrap:wrap;gap:12px;
}
.hero-meta .btn{min-height:46px}

/* 板块通用 */
.section{padding:80px 0}
.section-alt{background:var(--bg-surface)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  margin-bottom:36px;gap:16px;
}
.section-head h2{
  font-size:32px;font-weight:800;letter-spacing:-.01em;
  color:var(--text-main);
}
.section-head .section-sub{
  color:var(--text-sub);font-size:15px;margin-top:6px;
}
.section-link{
  color:var(--text-sub);font-size:14px;font-weight:600;
  display:inline-flex;align-items:center;gap:4px;
  transition:color .2s ease;white-space:nowrap;
}
.section-link:hover{color:var(--accent)}

/* 活动列表 */
.activity-list{
  display:flex;flex-direction:column;gap:16px;
}
.activity-item{
  display:flex;gap:20px;
  background:var(--bg-surface);
  border:1px solid var(--border-default);
  border-radius:var(--radius-card);
  padding:20px;
  transition:all .25s ease;
}
.activity-item:hover{
  border-color:var(--border-hover);
  box-shadow:var(--shadow-card);
  transform:translateY(-3px);
}
.activity-thumb{
  width:200px;height:126px;flex-shrink:0;
  border-radius:10px;overflow:hidden;
  background:linear-gradient(135deg,#1B1F2B,#211D40);
}
.activity-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .3s ease;
}
.activity-item:hover .activity-thumb img{transform:scale(1.03)}
.activity-body{
  flex:1;display:flex;flex-direction:column;
  min-width:0;
}
.activity-tag{
  align-self:flex-start;
  display:inline-flex;align-items:center;
  padding:3px 10px;
  background:rgba(108,92,231,.18);
  color:#9B9DEF;border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;
  margin-bottom:8px;
}
.activity-body h3{
  font-size:19px;font-weight:700;color:var(--text-main);
  line-height:1.4;
  transition:color .2s ease;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.activity-item:hover .activity-body h3{color:var(--accent)}
.activity-desc{
  margin-top:6px;
  color:var(--text-sub);font-size:14px;line-height:1.65;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.activity-meta{
  margin-top:auto;padding-top:10px;
  display:flex;align-items:center;gap:16px;
  color:var(--text-disable);font-size:13px;
}
.activity-meta .entry-link{
  margin-left:auto;
  color:var(--text-sub);font-weight:600;
  font-size:14px;transition:color .2s ease;
}
.activity-meta .entry-link:hover{color:var(--accent)}

/* 亮点卡片 */
.feature-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.feature-card{
  background:var(--bg-surface);
  border:1px solid var(--border-default);
  border-radius:var(--radius-card);
  padding:28px 24px;
  transition:all .25s ease;
}
.feature-card:hover{
  border-color:var(--border-hover);
  box-shadow:var(--shadow-card);
  transform:translateY(-3px);
}
.feature-icon{
  width:44px;height:44px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(108,92,231,.15);
  color:var(--primary-bright);
  font-size:22px;margin-bottom:16px;
}
.feature-card h3{
  font-size:18px;font-weight:700;color:var(--text-main);
  margin-bottom:8px;
}
.feature-card p{
  font-size:14px;color:var(--text-sub);line-height:1.7;
}

/* 流程 */
.steps-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.step-card{
  position:relative;
  background:var(--bg-surface);
  border:1px solid var(--border-default);
  border-radius:var(--radius-card);
  padding:32px 24px 28px;
  transition:all .25s ease;
}
.step-card:hover{
  border-color:var(--border-hover);
  transform:translateY(-3px);
  box-shadow:var(--shadow-card);
}
.step-num{
  font-family:var(--font-num);
  font-size:48px;font-weight:800;
  color:rgba(233,236,245,.12);
  line-height:1;
  transition:color .25s ease;
}
.step-card:hover .step-num{color:rgba(163,230,53,.8)}
.step-card h3{
  font-size:17px;font-weight:700;color:var(--text-main);
  margin-top:18px;margin-bottom:8px;
}
.step-card p{
  font-size:14px;color:var(--text-sub);line-height:1.65;
}

/* 推荐 */
.recommend-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.rec-card{
  display:flex;gap:14px;
  background:var(--bg-surface);
  border:1px solid var(--border-default);
  border-radius:var(--radius-card);
  padding:16px;
  transition:all .25s ease;
  min-height:88px;
}
.rec-card:hover{
  border-color:var(--border-hover);
  box-shadow:var(--shadow-card);
  transform:translateY(-2px);
}
.rec-thumb{
  width:88px;height:66px;flex-shrink:0;
  border-radius:8px;overflow:hidden;
  background:linear-gradient(135deg,#1B1F2B,#211D40);
}
.rec-thumb img{
  width:100%;height:100%;object-fit:cover;
}
.rec-body{min-width:0;display:flex;flex-direction:column;justify-content:center}
.rec-body h4{
  font-size:14px;font-weight:700;color:var(--text-main);
  line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rec-card:hover .rec-body h4{color:var(--accent)}
.rec-tag{
  margin-top:6px;align-self:flex-start;
  padding:2px 8px;
  background:rgba(108,92,231,.15);
  border-radius:var(--radius-pill);
  color:#9B9DEF;font-size:11px;font-weight:600;
}

/* FAQ */
.faq-list{
  display:flex;flex-direction:column;gap:14px;
  max-width:860px;
}
.faq-item{
  background:var(--bg-surface);
  border:1px solid var(--border-default);
  border-radius:var(--radius-card);
  padding:0 24px;
  transition:all .25s ease;
}
.faq-item.open{
  border-color:var(--border-hover);
}
.faq-question{
  display:flex;align-items:center;justify-content:space-between;
  width:100%;padding:20px 0;gap:16px;
  text-align:left;
}
.faq-question h3{
  font-size:16px;font-weight:700;color:var(--text-main);
  line-height:1.5;
  transition:color .2s ease;
}
.faq-item:hover .faq-question h3{color:var(--primary-bright)}
.faq-toggle{
  width:28px;height:28px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  border:1px solid #394050;
  border-radius:50%;
  font-size:17px;font-weight:400;
  color:var(--text-sub);
  transition:all .3s ease;
  line-height:1;
}
.faq-item.open .faq-toggle{
  transform:rotate(45deg);
  background:rgba(108,92,231,.15);
  border-color:var(--primary);
  color:var(--text-main);
}
.faq-answer{
  max-height:0;overflow:hidden;
  transition:max-height .25s ease;
}
.faq-answer-inner{
  padding:0 0 20px;
  color:var(--text-sub);font-size:14px;line-height:1.7;
}

/* CTA 条 */
.cta-section{
  position:relative;
  background:var(--bg-surface);
  border-top:1px solid var(--border-default);
  overflow:hidden;
  padding:80px 0;
}
.cta-section::before{
  content:'';
  position:absolute;inset:0;
  background:radial-gradient(circle at center,rgba(108,92,231,.2),transparent 60%);
  pointer-events:none;
}
.cta-inner{
  position:relative;z-index:2;
  text-align:center;max-width:640px;margin:0 auto;
}
.cta-inner h2{
  font-size:32px;font-weight:800;color:var(--text-main);
  letter-spacing:-.01em;
}
.cta-inner p{
  margin-top:12px;color:var(--text-sub);font-size:16px;
}
.cta-actions{
  margin-top:28px;
  display:flex;justify-content:center;gap:14px;flex-wrap:wrap;
}
.fav-toggle.active{
  background:var(--accent);
  border-color:var(--accent);
  color:#0B0D12;
}
.fav-toggle.active:hover{
  background:var(--accent-bright);
  box-shadow:var(--shadow-accent);
  transform:translateY(-1px);
}

/* Footer */
.site-footer{
  background:#0D1017;
  border-top:1px solid var(--border-default);
  padding-top:64px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:48px;
  padding-bottom:48px;
}
.footer-brand p{
  margin-top:16px;
  color:var(--text-sub);font-size:14px;max-width:280px;
}
.footer-social{
  display:flex;gap:10px;margin-top:20px;
}
.footer-social a{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--border-default);
  border-radius:var(--radius-btn);
  color:var(--text-sub);
  font-size:16px;
  transition:all .2s ease;
}
.footer-social a:hover{
  border-color:var(--primary);
  background:rgba(108,92,231,.12);
  color:var(--text-main);
}
.footer-col h4{
  font-size:15px;font-weight:700;color:var(--text-main);
  margin-bottom:18px;
}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{
  color:var(--text-sub);font-size:14px;
  transition:color .2s ease;
}
.footer-col ul a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid var(--border-default);
  padding:20px 0;
}
.footer-bottom .container{
  display:flex;flex-wrap:wrap;gap:10px 32px;
  align-items:center;
  color:var(--text-disable);font-size:13px;
}

/* 命令面板 */
.cmd-overlay{
  position:fixed;inset:0;z-index:1000;
  background:rgba(11,13,18,.7);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  display:flex;align-items:flex-start;justify-content:center;
  padding:15vh 20px 20px;
  opacity:0;visibility:hidden;
  transition:opacity .2s ease,visibility .2s ease;
}
.cmd-overlay.open{opacity:1;visibility:visible}
.cmd-panel{
  width:100%;max-width:560px;
  background:var(--bg-surface);
  border:1px solid var(--border-default);
  border-radius:16px;
  overflow:hidden;
  box-shadow:0 24px 60px rgba(0,0,0,.5);
  transform:translateY(-12px);
  transition:transform .2s ease;
}
.cmd-overlay.open .cmd-panel{transform:translateY(0)}
.cmd-search{
  display:flex;align-items:center;gap:12px;
  padding:16px 20px;
  border-bottom:1px solid var(--border-default);
  background:var(--bg-input);
}
.cmd-search svg{width:18px;height:18px;color:var(--text-disable)}
.cmd-search input{
  flex:1;background:none;border:none;outline:none;
  color:var(--text-main);font-size:16px;
}
.cmd-search input::placeholder{color:var(--text-disable)}
.cmd-results{
  padding:14px;max-height:360px;overflow-y:auto;
}
.cmd-group-title{
  font-size:12px;color:var(--text-disable);
  font-weight:600;padding:8px 12px 4px;
  letter-spacing:.04em;
}
.cmd-item{
  display:flex;align-items:center;gap:10px;
  width:100%;padding:10px 12px;
  border-radius:8px;
  color:var(--text-sub);font-size:14px;
  transition:background .15s ease;
}
.cmd-item:hover{background:var(--bg-surface-2);color:var(--text-main)}
.cmd-item .cmd-kbd{
  margin-left:auto;font-size:11px;color:var(--text-disable);
  font-family:var(--font-num);
}
.cmd-footer{
  padding:10px 20px;
  background:var(--bg-surface-2);
  border-top:1px solid var(--border-default);
  font-size:11px;color:var(--text-disable);
  display:flex;gap:16px;
}

/* 移动端菜单 */
.mobile-menu{
  display:none;
}

/* 响应式 */
@media (max-width:1023px){
  .site-nav{
    display:none;
  }
  .hamburger{display:inline-flex}
  .search-trigger{width:42px;padding:0;justify-content:center}
  .search-trigger .kbd{display:none}
  .header-cta{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .recommend-grid{grid-template-columns:repeat(2,1fr)}
  .activity-thumb{width:170px;height:108px}
  .page-hero h1{font-size:40px}
}
@media (max-width:767px){
  .header-inner{gap:12px;height:60px}
  .brand-text{font-size:18px}
  .brand-icon{width:34px;height:34px}
  .page-hero{padding:70px 0;min-height:340px}
  .page-hero h1{font-size:30px;line-height:1.25}
  .page-hero .hero-desc{font-size:15px}
  .hero-meta .btn{width:100%}
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px}
  .section-head h2{font-size:26px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .feature-grid{grid-template-columns:1fr}
  .steps-grid{grid-template-columns:1fr}
  .recommend-grid{grid-template-columns:1fr}
  .activity-item{flex-direction:column;padding:16px}
  .activity-thumb{width:100%;height:0;padding-bottom:56.25%;position:relative}
  .activity-thumb img{position:absolute;inset:0;width:100%;height:100%}
  .activity-body h3{font-size:17px}
  .activity-meta{flex-wrap:wrap;gap:8px 12px}
  .activity-meta .entry-link{margin-left:0}
  .faq-item{padding:0 18px}
  .cta-inner h2{font-size:26px}
  .cta-actions .btn{width:100%}
  .footer-bottom .container{flex-direction:column;align-items:flex-start;gap:6px}
  .cmd-overlay{padding:10vh 0 0;align-items:flex-start}
  .cmd-panel{border-radius:0;max-width:100%;height:auto}
  .mobile-menu.open{
    display:block;
    position:fixed;inset:0;z-index:99;
    background:rgba(11,13,18,.96);
    padding-top:70px;
    overflow-y:auto;
  }
  .mobile-menu.open .mobile-menu-inner{
    padding:24px;
    display:flex;flex-direction:column;gap:8px;
  }
  .mobile-menu.open .nav-item{
    display:flex;align-items:center;
    height:52px;padding:0 16px;
    font-size:17px;border-radius:12px;
  }
  .mobile-menu.open .nav-item:hover{background:rgba(108,92,231,.12)}
  .mobile-menu.open .nav-item.active{background:rgba(108,92,231,.2);color:var(--text-main)}
  .mobile-menu.open .search-trigger{
    width:100%;height:48px;margin-top:16px;justify-content:flex-start;padding:0 16px;
  }
  .mobile-menu.open .header-cta{
    display:inline-flex;width:100%;margin-top:12px;justify-content:center;
  }
}
@media (min-width:1024px){
  .mobile-menu{display:none!important}
}