/* roulang page: index */
:root {
  --color-primary: #0B3B66;
  --color-primary-dark: #072A4A;
  --color-primary-light: #E8F1F8;
  --color-accent: #F5A623;
  --color-accent-strong: #E08E00;
  --color-bg: #F4F8FB;
  --color-surface: #FFFFFF;
  --color-text: #17222E;
  --color-text-secondary: #5B6B7B;
  --color-border: #DCE5EC;
  --color-success: #1D8A5B;
  --color-warning: #E53935;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-card: 0 2px 8px rgba(11,59,102,0.06);
  --shadow-hover: 0 12px 28px rgba(11,59,102,0.14);
  --transition-base: 0.25s ease;
  --container-max: 1200px;
  --space-section: 96px;
  --space-section-mobile: 56px;
  --font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-number: 'DIN Alternate', 'Bahnschrift', 'Roboto Condensed', sans-serif;
}
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-family);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-base);
}
button {
  font-family: inherit;
  border: none;
  cursor: pointer;
  background: none;
}
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 4px;
}
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.section {
  padding: var(--space-section) 0;
}
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 36px;
}
.section-header h2 {
  font-size: clamp(1.6rem, 2.8vw, 2rem);
  font-weight: 700;
  line-height: 1.3;
  position: relative;
  padding-left: 14px;
}
.section-header h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  border-radius: 2px;
  background: var(--color-primary);
}
.section-header p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin-top: 8px;
}
.section-link {
  font-size: 0.9rem;
  color: var(--color-primary);
  font-weight: 600;
  white-space: nowrap;
}
.section-link i {
  margin-left: 4px;
  font-size: 0.8rem;
  transition: transform var(--transition-base);
}
.section-link:hover i {
  transform: translateX(4px);
}
.section-link:hover {
  color: var(--color-accent-strong);
}

/* ==== Buttons ==== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 26px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1;
  transition: all var(--transition-base);
  cursor: pointer;
  white-space: nowrap;
}
.btn:active {
  transform: scale(0.97);
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  color: #fff;
}
.btn-accent {
  background: var(--color-accent);
  color: var(--color-primary-dark);
}
.btn-accent:hover {
  background: var(--color-accent-strong);
  color: #fff;
}
.btn-white {
  background: #fff;
  color: var(--color-primary);
}
.btn-white:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
}
.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.85);
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.12);
  border-color: #fff;
  color: #fff;
}
.btn-sm {
  min-height: 36px;
  padding: 0 16px;
  font-size: 0.85rem;
}

/* ==== Header ==== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
}
.header-inner {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: var(--font-number);
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
}
.brand-text {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 0.5px;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  justify-content: center;
}
.nav-link {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  transition: all var(--transition-base);
}
.nav-link:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
}
.nav-link.active {
  color: var(--color-primary);
  background: var(--color-primary-light);
  font-weight: 600;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}
.menu-toggle:hover {
  background: var(--color-primary-light);
}

/* ==== Mobile drawer ==== */
.mobile-drawer {
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  padding: 20px 24px 28px;
  box-shadow: 0 12px 24px rgba(11,59,102,0.08);
  transform: translateY(-120%);
  transition: transform 0.3s ease;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.mobile-drawer.open {
  transform: translateY(0);
}
.mobile-drawer a {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
}
.mobile-drawer a:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
}
.mobile-drawer a.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 600;
}
.mobile-drawer .btn {
  margin-top: 12px;
}

/* ==== Hero ==== */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
  background: var(--color-primary-dark);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7,42,74,0.92) 0%, rgba(7,42,74,0.55) 55%, rgba(7,42,74,0.15) 100%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
  width: 100%;
}
.hero-content {
  max-width: 640px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245,166,35,0.18);
  border: 1px solid rgba(245,166,35,0.5);
  color: #F5C14A;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(2rem, 4.2vw, 3.4rem);
  font-weight: 900;
  line-height: 1.15;
  color: #fff;
  margin-bottom: 20px;
}
.hero-subtitle {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.85);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 480px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-poster {
  position: relative;
  flex-shrink: 0;
  width: 280px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 48px rgba(0,0,0,0.35);
  transform: rotate(2deg);
}
.hero-poster img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 3/4;
}
.poster-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  background: var(--color-accent);
  color: var(--color-primary-dark);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
}

/* ==== Trust Bar ==== */
.trust-bar {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  padding: 20px 0;
}
.trust-grid {
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 16px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
}
.trust-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--color-primary);
}

/* ==== Game Library (horizontal scroll) ==== */
.game-library {
  padding-bottom: 0;
}
.library-scroll-wrap {
  position: relative;
}
.library-scroll {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 12px;
  scrollbar-width: none;
}
.library-scroll::-webkit-scrollbar {
  display: none;
}
.game-card {
  flex: 0 0 280px;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  scroll-snap-align: start;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.game-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.game-cover {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  background: var(--color-primary-light);
}
.game-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.game-card:hover .game-cover img {
  transform: scale(1.04);
}
.game-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(255,255,255,0.92);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}
.game-info {
  padding: 16px;
}
.game-info h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.game-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.rating {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-number);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-primary);
}
.rating-star {
  color: var(--color-accent);
  font-size: 0.8rem;
}
.scroll-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.9);
  box-shadow: 0 4px 16px rgba(11,59,102,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--color-primary);
  z-index: 5;
  transition: all var(--transition-base);
  border: 1px solid var(--color-border);
}
.scroll-arrow:hover {
  background: var(--color-primary);
  color: #fff;
}
.scroll-arrow-left {
  left: -14px;
}
.scroll-arrow-right {
  right: -14px;
}
@media (max-width: 1280px) {
  .scroll-arrow-left { left: 0; }
  .scroll-arrow-right { right: 0; }
}

/* ==== Hot Recommendations ==== */
.hot-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.hot-card {
  position: relative;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.hot-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.hot-card:nth-child(-n+3) .hot-cover {
  aspect-ratio: 16/10;
}
.hot-cover {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--color-primary-light);
}
.hot-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.hot-card:hover .hot-cover img {
  transform: scale(1.04);
}
.hot-num {
  position: absolute;
  top: 10px;
  left: 12px;
  font-family: var(--font-number);
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: rgba(255,255,255,0.9);
  text-shadow: 0 2px 10px rgba(0,0,0,0.5);
  z-index: 2;
  line-height: 1;
}
.hot-info {
  padding: 16px;
}
.hot-info h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 6px;
}
.hot-card:nth-child(-n+3) .hot-info h3 {
  font-size: 1.2rem;
}
.hot-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}
.hot-meta .rating {
  font-size: 0.9rem;
}
.heat-bar {
  height: 4px;
  background: var(--color-border);
  border-radius: 999px;
  margin-top: 12px;
  overflow: hidden;
}
.heat-fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), #F5C14A);
  border-radius: 999px;
}
.badge {
  display: inline-flex;
  align-items: center;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 999px;
}
.badge-light {
  background: var(--color-bg);
  color: var(--color-text-secondary);
}
.badge-accent {
  background: var(--color-accent);
  color: var(--color-primary-dark);
}

/* ==== Playlist / Curation ==== */
.curation-block {
  margin-bottom: 40px;
}
.curation-block:last-child {
  margin-bottom: 0;
}
.curation-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.curation-title .curation-icon {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
}
.curation-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
}
.curation-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.curation-feature .feature-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.curation-feature .feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.feature-cover {
  aspect-ratio: 16/9;
  overflow: hidden;
  position: relative;
  background: var(--color-primary-light);
}
.feature-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.feature-card:hover .feature-cover img {
  transform: scale(1.04);
}
.feature-info {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.feature-info h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 12px 0 8px;
}
.feature-info p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  flex: 1;
}
.feature-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 14px;
}
.play-count {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}
.mini-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.mini-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.mini-cover {
  aspect-ratio: 4/3;
  overflow: hidden;
  position: relative;
  background: var(--color-primary-light);
}
.mini-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.mini-card:hover .mini-cover img {
  transform: scale(1.04);
}
.mini-info {
  padding: 14px;
}
.mini-info h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}
.mini-desc {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.mini-info .rating {
  font-size: 0.8rem;
}

/* Playlist 2: vertical list + small cards */
.curation-split {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 24px;
}
.vertical-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.list-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 14px;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.list-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}
.list-thumb {
  width: 88px;
  height: 66px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--color-primary-light);
}
.list-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.list-card:hover .list-thumb img {
  transform: scale(1.06);
}
.list-body {
  flex: 1;
  min-width: 0;
}
.list-body h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.list-body p {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.list-body .rating {
  font-size: 0.75rem;
}
.horiz-small-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.horiz-small-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 12px;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.horiz-small-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}
.horiz-small-cover {
  width: 132px;
  height: 74px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--color-primary-light);
}
.horiz-small-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.horiz-small-card:hover .horiz-small-cover img {
  transform: scale(1.06);
}
.horiz-small-info h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 4px;
}
.horiz-small-info p {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin-bottom: 4px;
}

/* ==== News / CMS section ==== */
.news-section {
  background: var(--color-primary-light);
}
.news-wrap {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
}
.news-feature {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.news-feature:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.news-feature-bg {
  height: 200px;
  background-size: cover;
  background-position: center;
  background-color: var(--color-primary);
  position: relative;
}
.news-feature-body {
  padding: 20px;
  flex: 1;
}
.news-feature-body h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 10px 0 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-feature-body p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 12px;
}
.news-time {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}
.news-aside {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.news-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.news-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}
.news-item .badge {
  align-self: flex-start;
  margin-bottom: 4px;
}
.news-item h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 2px;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-item p {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 6px;
}
.news-item .news-time {
  font-size: 0.75rem;
}
.news-empty {
  grid-column: 1 / -1;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 56px 24px;
  text-align: center;
  color: var(--color-text-secondary);
}
.news-empty i {
  font-size: 2.4rem;
  color: var(--color-primary-light);
  margin-bottom: 12px;
  display: block;
}
.news-empty p {
  font-size: 1rem;
}

/* ==== CTA Banner ==== */
.cta-banner {
  position: relative;
  background: var(--color-primary);
  padding: 72px 24px;
  text-align: center;
  overflow: hidden;
}
.cta-banner::before,
.cta-banner::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: rgba(245,166,35,0.08);
}
.cta-banner::before {
  width: 300px;
  height: 300px;
  top: -120px;
  right: -60px;
}
.cta-banner::after {
  width: 200px;
  height: 200px;
  bottom: -80px;
  left: -40px;
  background: rgba(255,255,255,0.04);
}
.cta-inner {
  position: relative;
  z-index: 2;
  max-width: 640px;
  margin: 0 auto;
}
.cta-inner h2 {
  color: #fff;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  margin-bottom: 16px;
}
.cta-inner p {
  color: rgba(255,255,255,0.75);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 32px;
}

/* ==== FAQ ==== */
.faq-section {
  background: var(--color-primary-light);
}
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: box-shadow var(--transition-base);
}
.faq-item:hover {
  box-shadow: var(--shadow-card);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  text-align: left;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--color-text);
  background: transparent;
  cursor: pointer;
  transition: background var(--transition-base);
}
.faq-question:hover {
  background: var(--color-bg);
}
.faq-question .faq-q-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}
.faq-question-text {
  flex: 1;
}
.faq-toggle {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}
.faq-item.active .faq-toggle {
  transform: rotate(45deg);
  color: var(--color-primary);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-answer-inner {
  padding: 0 22px 18px 22px;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  border-top: 1px solid transparent;
}
.faq-item.active .faq-answer-inner {
  border-top-color: var(--color-border);
  padding-top: 14px;
}

/* ==== Footer ==== */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.75);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand .brand {
  margin-bottom: 16px;
}
.footer-brand .brand-text {
  color: #fff;
}
.footer-brand .brand-icon {
  background: var(--color-accent);
  color: var(--color-primary-dark);
}
.footer-about {
  font-size: 0.85rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.6);
  max-width: 300px;
}
.footer-col h4 {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
}
.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col ul a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition-base), padding-left var(--transition-base);
}
.footer-col ul a:hover {
  color: var(--color-accent);
  padding-left: 4px;
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
}
.footer-contact i {
  width: 20px;
  color: var(--color-accent);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.45);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* ==== Responsive ==== */
@media (max-width: 1024px) {
  .main-nav {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .hero-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 40px;
  }
  .hero-poster {
    width: 220px;
  }
  .hot-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .curation-grid {
    grid-template-columns: 1fr;
  }
  .curation-feature .feature-card {
    flex-direction: row;
  }
  .feature-cover {
    width: 45%;
    aspect-ratio: auto;
    min-height: 220px;
  }
  .curation-list {
    grid-template-columns: repeat(3, 1fr);
  }
  .curation-split {
    grid-template-columns: 1fr;
  }
  .news-wrap {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 768px) {
  .section {
    padding: var(--space-section-mobile) 0;
  }
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 28px;
  }
  .hero {
    padding: 100px 0 60px;
    min-height: auto;
  }
  .hero h1 {
    font-size: 1.9rem;
  }
  .hero-subtitle {
    font-size: 0.95rem;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .hero-poster {
    display: none;
  }
  .trust-grid {
    justify-content: center;
    gap: 10px;
  }
  .hot-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .hot-card:nth-child(-n+3) .hot-cover {
    aspect-ratio: 16/9;
  }
  .curation-list {
    grid-template-columns: 1fr;
  }
  .curation-feature .feature-card {
    flex-direction: column;
  }
  .feature-cover {
    width: 100%;
    min-height: 0;
    aspect-ratio: 16/9;
  }
  .game-card {
    flex: 0 0 240px;
  }
  .scroll-arrow {
    display: none;
  }
  .faq-question {
    font-size: 0.9rem;
    padding: 16px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}
@media (max-width: 520px) {
  .brand-text {
    font-size: 1rem;
  }
  .brand-icon {
    width: 32px;
    height: 32px;
    font-size: 0.75rem;
  }
  .header-inner {
    gap: 8px;
  }
  .nav-actions .btn-sm {
    padding: 0 12px;
    font-size: 0.78rem;
    min-height: 36px;
  }
  .list-card {
    flex-direction: column;
    align-items: flex-start;
  }
  .list-thumb {
    width: 100%;
    height: auto;
    aspect-ratio: 16/7;
  }
  .horiz-small-card {
    flex-direction: column;
    align-items: flex-start;
  }
  .horiz-small-cover {
    width: 100%;
    height: auto;
    aspect-ratio: 16/7;
  }
}

/* roulang page: category1 */
:root {
  --color-primary: #0B3B66;
  --color-primary-dark: #072A4A;
  --color-primary-light: #E8F1F8;
  --color-accent: #F5A623;
  --color-accent-strong: #E08E00;
  --color-bg: #F4F8FB;
  --color-surface: #FFFFFF;
  --color-text: #17222E;
  --color-text-secondary: #5B6B7B;
  --color-border: #DCE5EC;
  --radius-card: 12px;
  --radius-tag: 999px;
  --shadow-card: 0 2px 8px rgba(11,59,102,0.06);
  --shadow-hover: 0 12px 28px rgba(11,59,102,0.14);
  --transition: 0.25s ease;
  --spacing-section: 96px;
  --spacing-mobile: 56px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button { font-family: inherit; border: none; background: none; cursor: pointer; }
input, textarea { font-family: inherit; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.text-secondary { color: var(--color-text-secondary); }
.section { padding: var(--spacing-section) 0; }
.section-sm { padding: 56px 0; }
h2 { font-size: clamp(1.6rem, 2.4vw, 2rem); font-weight: 700; line-height: 1.3; }
h3 { font-size: 1.15rem; font-weight: 600; line-height: 1.5; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  min-height: 44px;
  padding: 10px 24px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all var(--transition);
  border: 2px solid transparent;
  line-height: 1.2;
}
.btn:focus-visible, .nav-link:focus-visible, .nav-toggle:focus-visible, .cat-tab:focus-visible, .faq-question:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); transform: translateY(-1px); }
.btn-primary:active { transform: scale(0.97); }
.btn-accent { background: var(--color-accent); color: var(--color-primary-dark); }
.btn-accent:hover { background: var(--color-accent-strong); transform: translateY(-1px); }
.btn-accent:active { transform: scale(0.97); }
.btn-outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,0.85); }
.btn-outline-light:hover { background: rgba(255,255,255,0.12); border-color: #fff; }
.btn-outline-light:active { transform: scale(0.97); }

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 64px;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  height: 64px;
  display: flex;
  align-items: center;
  gap: 32px;
  justify-content: space-between;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--color-primary);
  color: var(--color-accent);
  font-family: 'DIN Alternate', 'Bahnschrift', 'Roboto Condensed', sans-serif;
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.5px;
}
.brand-text {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 0.5px;
}
.main-nav { display: flex; align-items: center; gap: 8px; flex: 1; justify-content: center; }
.nav-link {
  position: relative;
  padding: 8px 14px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  border-radius: 999px;
  transition: all var(--transition);
}
.nav-link:hover { color: var(--color-primary); background: var(--color-primary-light); }
.nav-link.active { color: var(--color-primary); background: var(--color-primary-light); font-weight: 600; }
.nav-cta { flex-shrink: 0; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  transition: background var(--transition);
}
.nav-toggle:hover { background: var(--color-primary-light); }
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-menu {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  padding: 16px 24px 24px;
  box-shadow: 0 12px 28px rgba(11,59,102,0.10);
  z-index: 999;
}
.mobile-menu.open { display: block; }
.mobile-nav-link {
  display: block;
  padding: 12px 12px;
  border-radius: 8px;
  font-size: 1rem;
  color: var(--color-text);
  transition: all var(--transition);
}
.mobile-nav-link:hover { background: var(--color-primary-light); color: var(--color-primary); }
.mobile-nav-link.active { background: var(--color-primary-light); color: var(--color-primary); font-weight: 600; }
.mobile-cta { width: 100%; margin-top: 12px; }

/* Category Hero */
.category-hero {
  position: relative;
  min-height: 280px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  margin-top: 64px;
}
.category-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7,42,74,0.92) 0%, rgba(7,42,74,0.55) 55%, rgba(7,42,74,0.15) 100%);
}
.category-hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
  padding: 56px 24px;
}
.category-hero-content h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 12px;
}
.category-hero-content p {
  color: rgba(255,255,255,0.92);
  font-size: 1rem;
  line-height: 1.8;
  max-width: 560px;
}

/* Category Tabs */
.category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 32px;
  padding-bottom: 8px;
}
.cat-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 22px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-primary);
  background: #fff;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}
.cat-tab:hover { border-color: var(--color-primary); transform: translateY(-1px); box-shadow: var(--shadow-card); }
.cat-tab.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); font-weight: 600; }

/* Section Head */
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 32px;
}
.section-title {
  padding-left: 16px;
  border-left: 4px solid var(--color-primary);
  line-height: 1.4;
}
.section-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-primary);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: 8px;
  transition: all var(--transition);
  flex-shrink: 0;
}
.section-link:hover { background: var(--color-primary-light); gap: 10px; }

/* Game Cards Grid */
.game-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.game-card {
  position: relative;
  background: var(--color-surface);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all var(--transition);
}
.game-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.game-card-cover {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3/4;
}
.game-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.game-card:hover .game-card-cover img { transform: scale(1.04); }
.game-card-body { padding: 16px; }
.game-card-title { font-size: 1.05rem; font-weight: 600; margin-bottom: 8px; color: var(--color-text); }
.game-card-meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 500;
}
.tag-accent { background: rgba(245,166,35,0.15); color: #B97800; }
.rating {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
}
.rating i { color: var(--color-accent); font-size: 0.78rem; }
.game-card-link::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
}

/* Hot Ranking */
.ranking-wrap { background: var(--color-surface); border-radius: var(--radius-card); box-shadow: var(--shadow-card); padding: 32px; }
.ranking-list { display: flex; flex-direction: column; gap: 8px; }
.ranking-item {
  display: grid;
  grid-template-columns: 56px 80px 1fr 120px;
  align-items: center;
  gap: 16px;
  padding: 14px 16px;
  border-radius: 12px;
  transition: all var(--transition);
}
.ranking-item:hover { background: var(--color-primary-light); }
.ranking-num {
  font-family: 'DIN Alternate', 'Bahnschrift', 'Roboto Condensed', sans-serif;
  font-size: 1.8rem;
  font-weight: 800;
  color: rgba(11,59,102,0.35);
  text-align: center;
}
.ranking-item:nth-child(1) .ranking-num { color: var(--color-accent); font-size: 2.1rem; }
.ranking-item:nth-child(2) .ranking-num { color: rgba(245,166,35,0.7); }
.ranking-item:nth-child(3) .ranking-num { color: rgba(245,166,35,0.5); }
.ranking-thumb {
  width: 72px;
  height: 72px;
  border-radius: 10px;
  object-fit: cover;
  box-shadow: 0 2px 6px rgba(11,59,102,0.08);
}
.ranking-info { min-width: 0; }
.ranking-name { font-weight: 600; font-size: 1rem; margin-bottom: 4px; }
.ranking-bar-wrap { display: flex; align-items: center; gap: 12px; }
.ranking-bar {
  flex: 1;
  height: 8px;
  background: var(--color-primary-light);
  border-radius: 999px;
  overflow: hidden;
  min-width: 80px;
}
.ranking-bar-fill { height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--color-primary), #2E6E9E); }
.ranking-num2 { font-size: 0.85rem; font-weight: 700; color: var(--color-primary); white-space: nowrap; }
.ranking-score { font-size: 0.85rem; color: var(--color-text-secondary); white-space: nowrap; }

/* Feature Points */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-item {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  padding: 32px 24px;
  box-shadow: var(--shadow-card);
  text-align: center;
  transition: all var(--transition);
  border-top: 3px solid var(--color-accent);
}
.feature-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 16px;
}
.feature-item h3 { margin-bottom: 8px; }
.feature-item p { color: var(--color-text-secondary); font-size: 0.92rem; line-height: 1.7; }

/* CTA Banner */
.cta-banner {
  position: relative;
  background: var(--color-primary);
  overflow: hidden;
  padding: 80px 0;
}
.cta-banner::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -40px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  border: 40px solid rgba(255,255,255,0.06);
}
.cta-banner::after {
  content: "";
  position: absolute;
  bottom: -80px;
  left: 20%;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  border: 30px solid rgba(255,255,255,0.04);
}
.cta-inner { position: relative; z-index: 2; text-align: center; max-width: 640px; margin: 0 auto; }
.cta-inner h2 { color: #fff; font-size: clamp(1.6rem, 3vw, 2.4rem); margin-bottom: 12px; }
.cta-inner p { color: rgba(255,255,255,0.8); font-size: 1rem; margin-bottom: 28px; }
.cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* FAQ */
.faq-section { background: var(--color-primary-light); }
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.faq-item {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.faq-item:hover { box-shadow: var(--shadow-card); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  transition: background var(--transition);
}
.faq-question:hover { background: var(--color-primary-light); }
.faq-q-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
}
.faq-toggle-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--color-primary);
  transition: transform var(--transition);
}
.faq-item.open .faq-toggle-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.faq-item.open .faq-answer { max-height: 220px; }
.faq-answer-inner {
  padding: 0 20px 18px 64px;
  color: var(--color-text-secondary);
  font-size: 0.92rem;
  line-height: 1.8;
}

/* Footer */
.site-footer { background: var(--color-primary-dark); color: rgba(255,255,255,0.8); padding: 64px 0 0; font-size: 0.85rem; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand .brand-text { color: #fff; }
.footer-brand .brand-icon { background: rgba(255,255,255,0.12); color: var(--color-accent); }
.footer-about { margin-top: 16px; line-height: 1.8; color: rgba(255,255,255,0.6); }
.footer-col h4 { color: #fff; font-size: 1rem; margin-bottom: 16px; font-weight: 600; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { color: rgba(255,255,255,0.6); transition: all var(--transition); }
.footer-col ul a:hover { color: var(--color-accent); padding-left: 4px; }
.footer-contact { display: flex; flex-direction: column; gap: 12px; }
.footer-contact span { color: rgba(255,255,255,0.6); display: inline-flex; align-items: center; gap: 8px; }
.footer-contact i { color: var(--color-accent); width: 16px; text-align: center; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  color: rgba(255,255,255,0.45);
  font-size: 0.8rem;
}

/* Responsive */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .game-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .ranking-item { grid-template-columns: 44px 64px 1fr 100px; gap: 12px; }
}
@media (max-width: 768px) {
  .section { padding: var(--spacing-mobile) 0; }
  .main-nav { display: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .category-hero { min-height: 220px; }
  .category-hero-content { padding: 40px 24px; }
  .game-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .ranking-item { grid-template-columns: 40px 56px 1fr; grid-template-rows: auto auto; }
  .ranking-score { display: none; }
  .ranking-bar-wrap { grid-column: 1 / -1; }
  .cta-banner { padding: 56px 0; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .game-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .ranking-item { grid-template-columns: 36px 48px 1fr; }
  .ranking-thumb { width: 56px; height: 56px; }
  .ranking-num { font-size: 1.4rem; }
  .category-tabs { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 12px; -webkit-overflow-scrolling: touch; }
  .cat-tab { flex-shrink: 0; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 8px; }
}

/* roulang page: article */
/* ============ 设计变量与基础 Reset ============ */
:root {
    --color-primary: #0B3B66;
    --color-primary-dark: #072A4A;
    --color-primary-light: #E8F1F8;
    --color-accent: #F5A623;
    --color-accent-strong: #E08E00;
    --color-bg: #F4F8FB;
    --color-surface: #FFFFFF;
    --color-text: #17222E;
    --color-text-secondary: #5B6B7B;
    --color-border: #DCE5EC;
    --radius-sm: 8px;
    --radius: 12px;
    --radius-pill: 999px;
    --shadow-card: 0 2px 8px rgba(11,59,102,.06);
    --shadow-hover: 0 12px 28px rgba(11,59,102,.14);
    --font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    --container: 1200px;
    --space-section: 96px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.75;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: var(--font-family); border: none; background: none; cursor: pointer; }
ul, ol { list-style-position: inside; }
h1, h2, h3, h4, h5, h6 { line-height: 1.25; }

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}
.container-narrow {
    max-width: 880px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}
.section { padding: 64px 0; }

/* ============ 按钮系统 ============ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 0 24px;
    border-radius: var(--radius-sm);
    font-size: .95rem;
    font-weight: 600;
    transition: all .25s ease;
    white-space: nowrap;
    border: 2px solid transparent;
}
.btn:active { transform: scale(.97); }
.btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); transform: translateY(-1px); box-shadow: 0 6px 18px rgba(11,59,102,.25); }
.btn-accent { background: var(--color-accent); color: var(--color-primary-dark); }
.btn-accent:hover { background: var(--color-accent-strong); color: #fff; transform: translateY(-1px); box-shadow: 0 6px 18px rgba(245,166,35,.35); }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,.75); }
.btn-outline:hover { background: rgba(255,255,255,.12); border-color: #fff; transform: translateY(-1px); }
.btn-lg { min-height: 52px; padding: 0 36px; font-size: 1.05rem; border-radius: 10px; }
.btn-block { width: 100%; }

/* ============ 徽章 / 标签 ============ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 14px;
    border-radius: var(--radius-pill);
    font-size: .8rem;
    font-weight: 600;
    background: var(--color-primary-light);
    color: var(--color-primary);
}
.badge-category { background: var(--color-primary); color: #fff; font-size: .8rem; padding: 5px 16px; }
.badge-hot { background: var(--color-accent); color: var(--color-primary-dark); font-weight: 700; }
.badge-tag { background: var(--color-primary-light); color: var(--color-primary); font-size: .75rem; padding: 3px 12px; }

.tag {
    display: inline-block;
    padding: 6px 16px;
    border-radius: var(--radius-pill);
    font-size: .8rem;
    font-weight: 500;
    background: var(--color-primary-light);
    color: var(--color-primary);
    margin: 4px 6px 4px 0;
    transition: background .25s ease, color .25s ease;
}
.tag:hover { background: var(--color-primary); color: #fff; }

/* ============ 顶部导航 ============ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 64px;
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow .3s ease;
}
.site-header.scrolled { box-shadow: 0 4px 20px rgba(11,59,102,.09); }
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    gap: 32px;
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--color-primary);
    color: var(--color-accent);
    font-weight: 900;
    font-size: .95rem;
    letter-spacing: .5px;
}
.brand-text { font-size: 1.25rem; font-weight: 800; color: var(--color-primary); letter-spacing: .5px; }
.main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
    justify-content: center;
}
.nav-link {
    padding: 8px 18px;
    border-radius: var(--radius-pill);
    font-size: .95rem;
    font-weight: 500;
    color: var(--color-text);
    transition: all .25s ease;
    position: relative;
}
.nav-link:hover { color: var(--color-primary); background: var(--color-primary-light); }
.nav-link.active { color: var(--color-primary); background: var(--color-primary-light); font-weight: 600; }
.nav-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.nav-cta { min-height: 40px; padding: 0 20px; font-size: .9rem; }
.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border-radius: 8px;
    font-size: 1.25rem;
    color: var(--color-primary);
    background: var(--color-primary-light);
    align-items: center;
    justify-content: center;
    transition: background .25s ease;
}
.nav-toggle:hover { background: var(--color-border); }

/* 移动端抽屉 */
.mobile-menu {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-hover);
    padding: 16px 24px 24px;
    transform: translateY(-16px);
    opacity: 0;
    pointer-events: none;
    transition: all .3s ease;
    z-index: 999;
}
.mobile-menu.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
.mobile-menu-inner { max-width: 640px; margin: 0 auto; }
.mobile-link {
    display: block;
    padding: 14px 0;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-primary-light);
}
.mobile-link:hover { color: var(--color-primary); }
.mobile-cta { width: 100%; margin-top: 16px; }

/* ============ 面包屑 ============ */
.breadcrumb-bar {
    background: linear-gradient(135deg, var(--color-primary-light), #fff);
    padding: 20px 0;
    margin-top: 64px;
    border-bottom: 1px solid var(--color-border);
}
.breadcrumb-nav ol {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    list-style: none;
}
.breadcrumb-nav li {
    font-size: .85rem;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}
.breadcrumb-nav li i { font-size: .65rem; color: var(--color-border); }
.breadcrumb-nav a { color: var(--color-primary); font-weight: 500; transition: color .25s ease; }
.breadcrumb-nav a:hover { color: var(--color-accent-strong); }
.breadcrumb-nav .current {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 320px;
    color: var(--color-text-secondary);
}

/* ============ 文章主体 ============ */
.article-container {
    max-width: 860px;
    margin: 48px auto 0;
    padding: 0 24px;
}
.article-main {
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    padding: 48px 48px 40px;
}
.article-head { margin-bottom: 32px; }
.article-head .badge-category { margin-bottom: 16px; }
.article-head h1 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800;
    line-height: 1.3;
    color: var(--color-text);
    margin: 12px 0 16px;
}
.article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
}
.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: .82rem;
    color: var(--color-text-secondary);
}
.meta-item i { color: var(--color-primary); width: 14px; text-align: center; }

/* 文章正文排版 */
.article-content { font-size: 1rem; line-height: 1.9; color: var(--color-text); }
.article-content h2 {
    font-size: 1.55rem;
    font-weight: 700;
    margin: 48px 0 16px;
    padding-left: 16px;
    border-left: 4px solid var(--color-primary);
    line-height: 1.4;
}
.article-content h3 { font-size: 1.25rem; font-weight: 700; margin: 32px 0 12px; }
.article-content h4 { font-size: 1.1rem; font-weight: 700; margin: 24px 0 10px; }
.article-content p { margin-bottom: 20px; }
.article-content a { color: var(--color-primary); font-weight: 500; text-decoration: underline; text-underline-offset: 3px; }
.article-content a:hover { color: var(--color-accent-strong); }
.article-content blockquote {
    margin: 24px 0;
    padding: 20px 24px;
    background: var(--color-primary-light);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    font-style: normal;
}
.article-content img { border-radius: var(--radius); margin: 24px 0; box-shadow: var(--shadow-card); }
.article-content figure { margin: 24px 0; }
.article-content figcaption { font-size: .8rem; color: var(--color-text-secondary); text-align: center; margin-top: 8px; }
.article-content ul, .article-content ol { margin: 16px 0 20px; padding-left: 24px; }
.article-content li { margin-bottom: 8px; }
.article-content table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: .92rem; }
.article-content th, .article-content td { padding: 12px; border: 1px solid var(--color-border); text-align: left; }
.article-content th { background: var(--color-primary-light); font-weight: 600; }
.article-content hr { border: none; border-top: 1px solid var(--color-border); margin: 32px 0; }
.article-content code { background: var(--color-primary-light); padding: 2px 6px; border-radius: 4px; font-size: .9em; }

/* 文章标签 */
.article-tags {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
}

/* 内容未找到 */
.not-found {
    text-align: center;
    padding: 60px 24px;
}
.not-found i { font-size: 3rem; color: var(--color-primary-light); margin-bottom: 16px; }
.not-found h1 { font-size: 1.6rem; margin-bottom: 8px; color: var(--color-text); }
.not-found p { color: var(--color-text-secondary); margin-bottom: 24px; }

/* ============ 上一篇 / 下一篇 ============ */
.article-nav {
    display: flex;
    align-items: center;
    gap: 16px;
    max-width: 860px;
    margin: 32px auto 0;
    padding: 0 24px;
}
.article-nav-card {
    flex: 1;
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 20px 24px;
    box-shadow: var(--shadow-card);
    transition: all .25s ease;
    border: 1px solid transparent;
    display: block;
}
.article-nav-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); border-color: var(--color-primary-light); }
.article-nav-card.right { text-align: right; }
.nav-label { display: block; font-size: .78rem; color: var(--color-text-secondary); margin-bottom: 6px; }
.nav-label i { font-size: .7rem; }
.nav-title { display: block; font-weight: 600; color: var(--color-primary); font-size: .95rem; }
.btn-back {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 20px;
    border-radius: var(--radius-sm);
    font-size: .88rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    transition: all .25s ease;
    min-height: 44px;
    align-self: center;
    white-space: nowrap;
}
.btn-back:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* ============ 相关推荐 ============ */
.related-section { padding: 64px 0 0; }
.section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
}
.section-head h2 {
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--color-text);
    padding-left: 14px;
    border-left: 4px solid var(--color-primary);
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.related-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: transform .25s ease, box-shadow .25s ease;
    display: block;
}
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.related-thumb { aspect-ratio: 16/10; overflow: hidden; }
.related-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.related-card:hover .related-thumb img { transform: scale(1.04); }
.related-body { padding: 20px; }
.related-body .badge-tag { margin-bottom: 10px; }
.related-body h3 { font-size: 1.05rem; font-weight: 600; margin: 8px 0 8px; color: var(--color-text); line-height: 1.4; }
.related-body p { font-size: .85rem; color: var(--color-text-secondary); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ============ CTA 横幅 ============ */
.cta-bar {
    background: var(--color-primary);
    padding: 56px 0;
    margin-top: 64px;
    position: relative;
    overflow: hidden;
}
.cta-bar::before {
    content: '';
    position: absolute;
    top: -60%;
    right: -5%;
    width: 420px;
    height: 420px;
    background: rgba(245,166,35,.08);
    border-radius: 50%;
    pointer-events: none;
}
.cta-bar::after {
    content: '';
    position: absolute;
    bottom: -80%;
    left: -10%;
    width: 300px;
    height: 300px;
    background: rgba(255,255,255,.03);
    border-radius: 50%;
    pointer-events: none;
}
.cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}
.cta-text h2 { color: #fff; font-size: 1.65rem; font-weight: 700; margin-bottom: 8px; }
.cta-text p { color: rgba(255,255,255,.72); font-size: .95rem; max-width: 480px; }

/* ============ 页脚 ============ */
.site-footer {
    background: var(--color-primary-dark);
    color: rgba(255,255,255,.7);
    padding: 64px 0 0;
    margin-top: 48px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 48px;
}
.footer-brand .brand-text { color: #fff; }
.footer-brand .brand-icon { background: var(--color-accent); color: var(--color-primary-dark); }
.footer-about {
    margin-top: 16px;
    font-size: .85rem;
    line-height: 1.8;
    color: rgba(255,255,255,.58);
    max-width: 340px;
}
.footer-col h4 {
    color: #fff;
    font-size: .95rem;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: .5px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 12px; }
.footer-col a { color: rgba(255,255,255,.58); font-size: .85rem; transition: color .25s ease; }
.footer-col a:hover { color: var(--color-accent); }
.footer-contact span {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255,255,255,.58);
    font-size: .85rem;
    margin-bottom: 12px;
}
.footer-contact i { color: var(--color-accent); width: 16px; text-align: center; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.1);
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    font-size: .8rem;
    color: rgba(255,255,255,.42);
}

/* ============ 响应式断点 ============ */
@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .related-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .main-nav { gap: 2px; }
    .nav-link { padding: 8px 14px; font-size: .9rem; }
}

@media (max-width: 768px) {
    .section { padding: 48px 0; }
    .main-nav { display: none; }
    .nav-cta { display: none; }
    .nav-toggle { display: inline-flex; }
    .article-nav { flex-direction: column; }
    .btn-back { align-self: center; width: 100%; max-width: 240px; }
    .article-main { padding: 32px 24px; }
    .article-container { margin-top: 32px; }
    .related-grid { grid-template-columns: 1fr; }
    .cta-inner { flex-direction: column; align-items: flex-start; }
    .cta-text p { max-width: 100%; }
    .breadcrumb-nav .current { max-width: 200px; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 520px) {
    .container { padding-left: 16px; padding-right: 16px; }
    .article-main { padding: 24px 18px; }
    .article-head h1 { font-size: 1.35rem; }
    .article-content { font-size: .95rem; }
    .article-meta { gap: 12px; }
    .related-body { padding: 16px; }
    .cta-bar { padding: 40px 0; margin-top: 48px; }
    .cta-text h2 { font-size: 1.3rem; }
    .btn-lg { width: 100%; }
    .footer-grid { gap: 24px; }
    .nav-toggle { width: 40px; height: 40px; }
    .brand-text { font-size: 1.1rem; }
}

/* roulang page: category2 */
/* ===== 设计变量 ===== */
    :root {
      --color-primary: #0B3B66;
      --color-primary-dark: #072A4A;
      --color-primary-light: #E8F1F8;
      --color-accent: #F5A623;
      --color-accent-strong: #E08E00;
      --color-bg: #F4F8FB;
      --color-surface: #FFFFFF;
      --color-text: #17222E;
      --color-text-secondary: #5B6B7B;
      --color-border: #DCE5EC;
      --radius: 12px;
      --radius-lg: 16px;
      --shadow-card: 0 2px 8px rgba(11, 59, 102, 0.06);
      --shadow-hover: 0 12px 28px rgba(11, 59, 102, 0.14);
      --shadow-hero: 0 20px 40px rgba(7, 42, 74, 0.2);
      --transition: 0.25s ease;
      --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
      --font-num: 'DIN Alternate', 'Bahnschrift', 'Roboto Condensed', sans-serif;
    }

    /* ===== Reset & Base ===== */
    *,
    *::before,
    *::after {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: var(--font-sans);
      background: var(--color-bg);
      color: var(--color-text);
      line-height: 1.8;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }
    a {
      text-decoration: none;
      color: inherit;
    }
    img {
      display: block;
      max-width: 100%;
    }
    button,
    input {
      font-family: inherit;
      border: none;
      background: none;
      cursor: pointer;
    }
    ul,
    ol {
      list-style: none;
    }
    h1,
    h2,
    h3,
    h4 {
      line-height: 1.3;
      font-weight: 700;
    }
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* ===== 顶部导航 ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 200;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      border-bottom: 1px solid var(--color-border);
      height: 64px;
    }
    .header-inner {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
      height: 64px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }
    .brand {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }
    .brand-icon {
      width: 36px;
      height: 36px;
      border-radius: 8px;
      background: var(--color-primary);
      color: #fff;
      font-family: var(--font-num);
      font-weight: 700;
      font-size: 15px;
      display: flex;
      align-items: center;
      justify-content: center;
      letter-spacing: 0.5px;
    }
    .brand-text {
      font-size: 1.16rem;
      font-weight: 800;
      color: var(--color-primary);
      letter-spacing: 0.3px;
    }
    .main-nav {
      display: flex;
      align-items: center;
      gap: 6px;
      flex: 1;
      justify-content: center;
    }
    .nav-link {
      padding: 7px 16px;
      border-radius: 999px;
      font-size: 0.92rem;
      font-weight: 500;
      color: var(--color-text-secondary);
      transition: all var(--transition);
      white-space: nowrap;
    }
    .nav-link:hover {
      color: var(--color-primary);
      background: var(--color-primary-light);
    }
    .nav-link.active {
      color: var(--color-primary);
      background: var(--color-primary-light);
      font-weight: 600;
      box-shadow: inset 0 0 0 1px rgba(11, 59, 102, 0.12);
    }
    .nav-cta {
      flex-shrink: 0;
    }
    .btn-cta-nav {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--color-accent);
      color: var(--color-primary-dark);
      font-size: 0.9rem;
      font-weight: 700;
      padding: 9px 20px;
      border-radius: 8px;
      transition: all var(--transition);
      box-shadow: 0 2px 6px rgba(245, 166, 35, 0.3);
      white-space: nowrap;
    }
    .btn-cta-nav:hover {
      background: var(--color-accent-strong);
      transform: translateY(-1px);
      box-shadow: 0 4px 12px rgba(245, 166, 35, 0.35);
    }
    .btn-cta-nav:active {
      transform: scale(0.97);
    }
    .btn-cta-nav i {
      font-size: 0.8rem;
    }
    .menu-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      width: 42px;
      height: 42px;
      align-items: center;
      justify-content: center;
      border-radius: 8px;
      transition: background var(--transition);
    }
    .menu-toggle:hover {
      background: var(--color-primary-light);
    }
    .menu-toggle span {
      display: block;
      width: 20px;
      height: 2px;
      background: var(--color-primary);
      border-radius: 2px;
      transition: all 0.3s ease;
    }
    .menu-toggle.open span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }
    .menu-toggle.open span:nth-child(2) {
      opacity: 0;
    }
    .menu-toggle.open span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }
    .mobile-nav {
      display: none;
      position: fixed;
      top: 64px;
      left: 0;
      right: 0;
      background: #fff;
      border-bottom: 1px solid var(--color-border);
      box-shadow: 0 12px 24px rgba(11, 59, 102, 0.08);
      padding: 16px 24px 24px;
      z-index: 199;
      flex-direction: column;
      gap: 4px;
    }
    .mobile-nav.open {
      display: flex;
    }
    .mobile-nav .nav-link {
      padding: 12px 14px;
      border-radius: 10px;
      font-size: 1rem;
    }
    .mobile-nav .nav-link.active {
      background: var(--color-primary-light);
    }
    .mobile-nav .btn-cta-nav {
      margin-top: 12px;
      justify-content: center;
      width: 100%;
    }

    /* ===== 窄版 Hero ===== */
    .category-hero {
      position: relative;
      min-height: 320px;
      display: flex;
      align-items: center;
      background: linear-gradient(90deg, rgba(7, 42, 74, 0.92) 0%, rgba(7, 42, 74, 0.62) 55%, rgba(7, 42, 74, 0.35) 100%),
        url('/assets/images/backpic/back-1.png') center/cover no-repeat;
      color: #fff;
      padding: 64px 0;
      overflow: hidden;
    }
    .category-hero .container {
      position: relative;
      z-index: 2;
    }
    .category-hero .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(245, 166, 35, 0.18);
      border: 1px solid rgba(245, 166, 35, 0.5);
      color: #FFD88A;
      font-size: 0.8rem;
      font-weight: 600;
      padding: 4px 14px;
      border-radius: 999px;
      margin-bottom: 18px;
      letter-spacing: 1px;
    }
    .category-hero h1 {
      font-size: clamp(2rem, 4vw, 2.8rem);
      font-weight: 900;
      line-height: 1.2;
      margin-bottom: 14px;
      letter-spacing: 0.5px;
    }
    .category-hero .hero-desc {
      font-size: 1.02rem;
      color: rgba(255, 255, 255, 0.88);
      max-width: 560px;
      line-height: 1.8;
      margin-bottom: 24px;
    }
    .hero-actions {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
    }
    .btn-primary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--color-primary);
      color: #fff;
      font-size: 0.95rem;
      font-weight: 700;
      padding: 11px 26px;
      border-radius: 8px;
      min-height: 44px;
      transition: all var(--transition);
      box-shadow: 0 4px 12px rgba(7, 42, 74, 0.3);
    }
    .btn-primary:hover {
      background: var(--color-primary-dark);
      transform: translateY(-2px);
    }
    .btn-outline {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: transparent;
      color: #fff;
      border: 2px solid rgba(255, 255, 255, 0.7);
      font-size: 0.95rem;
      font-weight: 600;
      padding: 9px 24px;
      border-radius: 8px;
      min-height: 44px;
      transition: all var(--transition);
    }
    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: #fff;
    }

    /* ===== 分类 Tab ===== */
    .category-tabs {
      padding: 36px 0 8px;
    }
    .tabs-wrap {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      align-items: center;
    }
    .tab-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #fff;
      border: 1px solid var(--color-border);
      color: var(--color-text-secondary);
      font-size: 0.92rem;
      font-weight: 500;
      padding: 9px 22px;
      border-radius: 999px;
      transition: all var(--transition);
    }
    .tab-pill:hover {
      border-color: var(--color-primary);
      color: var(--color-primary);
    }
    .tab-pill.active {
      background: var(--color-primary);
      color: #fff;
      border-color: var(--color-primary);
      box-shadow: 0 4px 12px rgba(11, 59, 102, 0.22);
    }
    .tab-pill i {
      font-size: 0.8rem;
    }

    /* ===== 板块通用 ===== */
    .section {
      padding: 72px 0;
    }
    .section-sm {
      padding: 48px 0;
    }
    .section-alt {
      background: var(--color-primary-light);
    }
    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 36px;
      flex-wrap: wrap;
    }
    .section-title {
      position: relative;
      font-size: clamp(1.5rem, 2.6vw, 1.9rem);
      font-weight: 700;
      padding-left: 16px;
      line-height: 1.35;
    }
    .section-title::before {
      content: '';
      position: absolute;
      left: 0;
      top: 4px;
      width: 4px;
      height: calc(100% - 8px);
      border-radius: 4px;
      background: var(--color-primary);
    }
    .section-link {
      color: var(--color-primary);
      font-size: 0.9rem;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: gap var(--transition);
      white-space: nowrap;
    }
    .section-link:hover {
      gap: 10px;
      color: var(--color-primary-dark);
    }

    /* ===== 卡片网格 ===== */
    .card-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .game-card {
      background: var(--color-surface);
      border-radius: var(--radius);
      box-shadow: var(--shadow-card);
      overflow: hidden;
      position: relative;
      transition: transform var(--transition), box-shadow var(--transition);
    }
    .game-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }
    .game-card .card-cover {
      position: relative;
      aspect-ratio: 3 / 4;
      overflow: hidden;
      background: var(--color-primary-light);
    }
    .game-card .card-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform var(--transition);
    }
    .game-card:hover .card-cover img {
      transform: scale(1.04);
    }
    .card-tag {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(7, 42, 74, 0.82);
      color: #fff;
      font-size: 0.75rem;
      font-weight: 600;
      padding: 3px 12px;
      border-radius: 999px;
      backdrop-filter: blur(4px);
      letter-spacing: 0.4px;
    }
    .card-hot {
      position: absolute;
      top: 12px;
      right: 12px;
      background: var(--color-accent);
      color: var(--color-primary-dark);
      font-size: 0.72rem;
      font-weight: 800;
      padding: 3px 10px;
      border-radius: 999px;
      box-shadow: 0 2px 8px rgba(245, 166, 35, 0.4);
    }
    .card-body {
      padding: 16px 18px 18px;
    }
    .card-title {
      font-size: 1.08rem;
      font-weight: 700;
      color: var(--color-text);
      margin-bottom: 6px;
      line-height: 1.4;
    }
    .card-meta {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.8rem;
      color: var(--color-text-secondary);
      margin-bottom: 10px;
    }
    .card-meta .type {
      background: var(--color-primary-light);
      color: var(--color-primary);
      font-weight: 600;
      padding: 2px 10px;
      border-radius: 999px;
      font-size: 0.76rem;
    }
    .rating {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      color: var(--color-accent);
      font-weight: 700;
      font-family: var(--font-num);
    }
    .rating span {
      color: var(--color-primary);
      font-size: 0.85rem;
    }
    .card-desc {
      font-size: 0.88rem;
      color: var(--color-text-secondary);
      line-height: 1.7;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      margin-bottom: 12px;
    }
    .card-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--color-primary);
      font-size: 0.86rem;
      font-weight: 600;
      transition: gap var(--transition);
    }
    .card-link:hover {
      gap: 10px;
    }
    .game-card::after {
      content: '';
      position: absolute;
      inset: 0;
      z-index: 1;
      cursor: pointer;
    }

    /* ===== 特色大图区 ===== */
    .feature-section {
      position: relative;
      background: linear-gradient(100deg, rgba(7, 42, 74, 0.95) 0%, rgba(11, 59, 102, 0.78) 60%, rgba(11, 59, 102, 0.45) 100%),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      padding: 80px 0;
      color: #fff;
    }
    .feature-grid {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 48px;
      align-items: center;
    }
    .feature-copy h2 {
      font-size: clamp(1.6rem, 3vw, 2.1rem);
      margin-bottom: 18px;
      line-height: 1.3;
    }
    .feature-copy p {
      color: rgba(255, 255, 255, 0.82);
      font-size: 0.98rem;
      line-height: 1.9;
      margin-bottom: 24px;
    }
    .feature-points {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .feature-point {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: 12px;
      padding: 14px 18px;
      transition: background var(--transition), transform var(--transition);
    }
    .feature-point:hover {
      background: rgba(255, 255, 255, 0.14);
      transform: translateX(4px);
    }
    .feature-point .icon {
      width: 38px;
      height: 38px;
      flex-shrink: 0;
      border-radius: 10px;
      background: var(--color-accent);
      color: var(--color-primary-dark);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
    }
    .feature-point h3 {
      font-size: 1rem;
      font-weight: 600;
      margin-bottom: 2px;
    }
    .feature-point p {
      font-size: 0.85rem;
      color: rgba(255, 255, 255, 0.68);
      margin: 0;
    }
    .feature-visual {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-hero);
    }
    .feature-visual img {
      width: 100%;
      aspect-ratio: 4 / 3;
      object-fit: cover;
    }

    /* ===== 时间线 ===== */
    .timeline-section {
      background: #fff;
    }
    .timeline-list {
      position: relative;
      max-width: 820px;
      margin: 0 auto;
      padding-left: 32px;
    }
    .timeline-list::before {
      content: '';
      position: absolute;
      left: 8px;
      top: 8px;
      bottom: 8px;
      width: 3px;
      background: var(--color-primary-light);
      border-radius: 3px;
    }
    .timeline-item {
      position: relative;
      padding: 0 0 32px 28px;
    }
    .timeline-item::before {
      content: '';
      position: absolute;
      left: -30px;
      top: 6px;
      width: 22px;
      height: 22px;
      border-radius: 50%;
      background: var(--color-accent);
      border: 4px solid #fff;
      box-shadow: 0 0 0 2px var(--color-accent);
    }
    .timeline-item:last-child {
      padding-bottom: 0;
    }
    .timeline-date {
      font-family: var(--font-num);
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--color-primary);
      margin-bottom: 4px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .timeline-date span {
      background: var(--color-primary-light);
      padding: 2px 10px;
      border-radius: 999px;
      font-size: 0.75rem;
      font-family: var(--font-sans);
      font-weight: 500;
    }
    .timeline-item h3 {
      font-size: 1.05rem;
      font-weight: 600;
      margin-bottom: 4px;
    }
    .timeline-item p {
      font-size: 0.9rem;
      color: var(--color-text-secondary);
      line-height: 1.7;
    }

    /* ===== CTA 横幅 ===== */
    .cta-banner {
      background: var(--color-primary);
      position: relative;
      overflow: hidden;
      padding: 64px 0;
      text-align: center;
    }
    .cta-banner::before {
      content: '';
      position: absolute;
      width: 420px;
      height: 420px;
      border-radius: 50%;
      background: rgba(245, 166, 35, 0.08);
      top: -160px;
      right: -80px;
    }
    .cta-banner::after {
      content: '';
      position: absolute;
      width: 300px;
      height: 300px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.04);
      bottom: -120px;
      left: -60px;
    }
    .cta-banner .container {
      position: relative;
      z-index: 2;
    }
    .cta-banner h2 {
      color: #fff;
      font-size: clamp(1.5rem, 3vw, 2rem);
      margin-bottom: 10px;
      font-weight: 800;
    }
    .cta-banner p {
      color: rgba(255, 255, 255, 0.72);
      font-size: 0.98rem;
      max-width: 520px;
      margin: 0 auto 28px;
    }
    .cta-buttons {
      display: flex;
      gap: 14px;
      justify-content: center;
      flex-wrap: wrap;
    }
    .btn-amber {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--color-accent);
      color: var(--color-primary-dark);
      font-weight: 700;
      font-size: 0.95rem;
      padding: 11px 28px;
      border-radius: 8px;
      min-height: 44px;
      transition: all var(--transition);
      box-shadow: 0 4px 16px rgba(245, 166, 35, 0.3);
    }
    .btn-amber:hover {
      background: var(--color-accent-strong);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(245, 166, 35, 0.4);
    }
    .btn-amber:active {
      transform: scale(0.97);
    }
    .btn-white-outline {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: transparent;
      color: #fff;
      border: 2px solid rgba(255, 255, 255, 0.6);
      font-weight: 600;
      font-size: 0.95rem;
      padding: 9px 26px;
      border-radius: 8px;
      min-height: 44px;
      transition: all var(--transition);
    }
    .btn-white-outline:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: #fff;
    }

    /* ===== FAQ ===== */
    .faq-list {
      max-width: 820px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .faq-item {
      background: #fff;
      border: 1px solid var(--color-border);
      border-radius: 12px;
      overflow: hidden;
      transition: box-shadow var(--transition);
    }
    .faq-item:hover {
      box-shadow: var(--shadow-card);
    }
    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 18px 22px;
      text-align: left;
      font-size: 0.96rem;
      font-weight: 600;
      color: var(--color-text);
      transition: color var(--transition);
    }
    .faq-question .q-icon {
      width: 26px;
      height: 26px;
      border-radius: 50%;
      background: var(--color-primary-light);
      color: var(--color-primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.75rem;
      font-weight: 700;
      flex-shrink: 0;
    }
    .faq-question .plus-icon {
      flex-shrink: 0;
      width: 24px;
      height: 24px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
      color: var(--color-text-secondary);
      transition: transform 0.3s ease, color 0.3s ease;
    }
    .faq-item.active .plus-icon {
      transform: rotate(45deg);
      color: var(--color-primary);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease;
    }
    .faq-answer-inner {
      padding: 0 22px 20px;
      font-size: 0.92rem;
      color: var(--color-text-secondary);
      line-height: 1.8;
      border-top: 1px solid var(--color-border);
      padding-top: 14px;
    }

    /* ===== 分页占位 ===== */
    .pagination-wrap {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 8px;
      margin-top: 44px;
    }
    .page-btn {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--color-text-secondary);
      background: #fff;
      border: 1px solid var(--color-border);
      transition: all var(--transition);
    }
    .page-btn:hover {
      border-color: var(--color-primary);
      color: var(--color-primary);
    }
    .page-btn.active {
      background: var(--color-primary);
      color: #fff;
      border-color: var(--color-primary);
    }
    .page-btn.prev-next {
      width: auto;
      padding: 0 16px;
      border-radius: 999px;
    }

    /* ===== 页脚 ===== */
    .site-footer {
      background: var(--color-primary-dark);
      color: rgba(255, 255, 255, 0.7);
      padding: 64px 0 0;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 40px;
      padding-bottom: 48px;
    }
    .footer-brand .brand {
      margin-bottom: 14px;
    }
    .footer-brand .brand-icon {
      background: #fff;
      color: var(--color-primary);
    }
    .footer-brand .brand-text {
      color: #fff;
    }
    .footer-about {
      font-size: 0.85rem;
      line-height: 1.8;
      color: rgba(255, 255, 255, 0.6);
      max-width: 300px;
    }
    .footer-col h4 {
      color: #fff;
      font-size: 0.95rem;
      font-weight: 600;
      margin-bottom: 16px;
      position: relative;
      padding-bottom: 8px;
    }
    .footer-col h4::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: 0;
      width: 24px;
      height: 2px;
      background: var(--color-accent);
      border-radius: 2px;
    }
    .footer-col ul {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-col ul a {
      font-size: 0.85rem;
      color: rgba(255, 255, 255, 0.6);
      transition: color var(--transition), padding-left var(--transition);
    }
    .footer-col ul a:hover {
      color: #fff;
      padding-left: 4px;
    }
    .footer-contact {
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 0.85rem;
      color: rgba(255, 255, 255, 0.6);
    }
    .footer-contact span {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .footer-contact i {
      width: 18px;
      text-align: center;
      color: var(--color-accent);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      padding: 20px 0;
      display: flex;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
      font-size: 0.82rem;
      color: rgba(255, 255, 255, 0.4);
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
      .feature-grid {
        grid-template-columns: 1fr;
        gap: 32px;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
      }
      .card-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 768px) {
      .main-nav {
        display: none;
      }
      .nav-cta {
        display: none;
      }
      .menu-toggle {
        display: flex;
      }
      .section {
        padding: 56px 0;
      }
      .category-hero {
        min-height: 280px;
        padding: 48px 0;
      }
      .card-grid {
        grid-template-columns: 1fr;
        gap: 18px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
      .hero-actions {
        flex-direction: column;
        align-items: stretch;
      }
      .hero-actions .btn-primary,
      .hero-actions .btn-outline {
        justify-content: center;
      }
      .pagination-wrap {
        flex-wrap: wrap;
      }
      .feature-point {
        padding: 12px 14px;
      }
    }
    @media (max-width: 520px) {
      .container {
        padding: 0 16px;
      }
      .header-inner {
        padding: 0 16px;
      }
      .brand-text {
        font-size: 1rem;
      }
      .brand-icon {
        width: 32px;
        height: 32px;
      }
      .section-head {
        flex-direction: column;
        align-items: flex-start;
      }
      .timeline-list {
        padding-left: 24px;
      }
      .timeline-item {
        padding-left: 20px;
      }
      .timeline-item::before {
        left: -26px;
        width: 18px;
        height: 18px;
      }
      .tabs-wrap {
        gap: 8px;
      }
      .tab-pill {
        padding: 7px 16px;
        font-size: 0.85rem;
      }
    }

    /* ===== 焦点可见性 ===== */
    a:focus-visible,
    button:focus-visible {
      outline: 2px solid var(--color-accent);
      outline-offset: 2px;
    }
    .faq-answer {
      max-height: 0;
      transition: max-height 0.35s ease, padding 0.35s ease;
    }

/* roulang page: category3 */
:root {
  --color-primary: #0B3B66;
  --color-primary-dark: #072A4A;
  --color-primary-light: #E8F1F8;
  --color-accent: #F5A623;
  --color-accent-strong: #E08E00;
  --color-bg: #F4F8FB;
  --color-surface: #FFFFFF;
  --color-text: #17222E;
  --color-text-secondary: #5B6B7B;
  --color-border: #DCE5EC;
  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(11,59,102,0.06);
  --shadow-lg: 0 12px 28px rgba(11,59,102,0.14);
  --container: 1200px;
  --header-height: 64px;
}

* {
  box-sizing: border-box;
}

html,
body {
  padding: 0;
  margin: 0;
}

body {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  padding-top: var(--header-height);
}

h1, h2, h3, h4, p {
  margin: 0;
}

ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

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

button {
  font-family: inherit;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section-white {
  background: var(--color-surface);
}

.section-bg {
  background: var(--color-bg);
}

.section-title {
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1.3;
  padding-left: 14px;
  border-left: 4px solid var(--color-primary);
  margin-bottom: 10px;
}

.section-subtitle {
  color: var(--color-text-secondary);
  margin-bottom: 36px;
  max-width: 640px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: background-color .2s, transform .2s, box-shadow .2s;
  text-decoration: none;
  min-height: 44px;
}

.btn-accent {
  background: var(--color-accent);
  color: var(--color-primary-dark);
}

.btn-accent:hover {
  background: var(--color-accent-strong);
  transform: translateY(-1px);
}

.btn-accent:active {
  transform: scale(0.97);
}

.btn-lg {
  padding: 16px 30px;
  font-size: 1rem;
}

.btn-light {
  background: #fff;
  color: var(--color-primary-dark);
}

.btn-light:hover {
  background: var(--color-primary-light);
  transform: translateY(-1px);
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
}

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

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

.brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
  letter-spacing: 0.4px;
  font-family: 'DIN Alternate', 'Bahnschrift', 'Roboto Condensed', sans-serif;
}

.brand-text {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-primary);
  white-space: nowrap;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.92rem;
  transition: background-color .2s, color .2s;
  white-space: nowrap;
}

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

.nav-link.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 700;
}

.nav-cta {
  margin-left: 8px;
  padding: 9px 18px;
  font-size: 0.9rem;
  border-radius: 8px;
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: none;
  background: none;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform .25s ease, opacity .25s ease;
}

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

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

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

.category-hero {
  background: linear-gradient(90deg, rgba(7,42,74,0.92) 0%, rgba(7,42,74,0.55) 55%, rgba(7,42,74,0.15) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  padding: 72px 0;
  color: #fff;
  position: relative;
}

.hero-inner {
  max-width: 640px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 18px;
}

.category-hero h1 {
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 14px;
}

.hero-desc {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.8;
  max-width: 520px;
}

.category-tabs {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.category-tabs a {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  font-weight: 500;
  font-size: 0.9rem;
  transition: background-color .2s, border-color .2s, color .2s;
}

.category-tabs a:hover {
  background: rgba(255, 255, 255, 0.2);
}

.category-tabs a.active {
  background: var(--color-accent);
  color: var(--color-primary-dark);
  border-color: var(--color-accent);
  font-weight: 700;
}

.advantage-section {
  padding-top: 56px;
}

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

.advantage-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.advantage-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  flex-shrink: 0;
}

.advantage-item h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.advantage-item p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.scenario-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.scenario-media img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.scenario-list {
  display: grid;
  gap: 28px;
}

.scenario-item {
  display: flex;
  gap: 16px;
}

.scenario-index {
  font-family: 'DIN Alternate', 'Bahnschrift', 'Roboto Condensed', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary);
  opacity: .35;
  line-height: 1.2;
  min-width: 28px;
}

.scenario-item h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.scenario-item p {
  color: var(--color-text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
}

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

.step-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .25s, transform .25s;
}

.step-item:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.step-num {
  font-family: 'DIN Alternate', 'Bahnschrift', 'Roboto Condensed', sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-accent-strong);
  margin-bottom: 12px;
}

.step-item h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.step-item p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

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

.content-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease;
  display: block;
}

.content-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-media {
  aspect-ratio: 3 / 4;
  overflow: hidden;
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}

.content-card:hover .card-media img {
  transform: scale(1.04);
}

.card-body {
  padding: 16px;
}

.card-tags {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 500;
}

.content-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
}

.card-excerpt {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 48px;
}

.page-num {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  font-weight: 600;
  font-size: 0.95rem;
  transition: border-color .2s, color .2s, background-color .2s;
}

.page-num.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

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

.faq-section {
  background: var(--color-primary-light);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow .2s;
}

.faq-item:hover {
  box-shadow: var(--shadow-sm);
}

.faq-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}

.faq-toggle:hover {
  color: var(--color-primary);
}

.faq-icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: transform .3s;
  flex-shrink: 0;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease, padding .3s ease;
  padding: 0 20px;
}

.faq-item.open .faq-panel {
  max-height: 220px;
  padding: 0 20px 18px;
}

.faq-panel p {
  color: var(--color-text-secondary);
  line-height: 1.7;
  font-size: 0.92rem;
  border-top: 1px solid var(--color-border);
  padding-top: 14px;
}

.cta-banner {
  background: var(--color-primary);
  padding: 64px 0;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  top: -130px;
  right: -80px;
}

.cta-banner::after {
  content: '';
  position: absolute;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 50%;
  bottom: -60px;
  right: 130px;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  position: relative;
  z-index: 1;
}

.cta-inner h2 {
  color: #fff;
  font-size: 1.7rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.cta-inner p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.9fr 1.1fr;
  gap: 48px;
  padding-bottom: 40px;
}

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

.footer-brand .brand-text {
  color: #fff;
}

.footer-brand .brand-icon {
  background: var(--color-accent);
  color: var(--color-primary-dark);
}

.footer-about {
  font-size: 0.85rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  max-width: 280px;
}

.footer-col h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 18px;
}

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

.footer-col ul a {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.85rem;
  transition: color .2s;
}

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

.footer-contact {
  display: grid;
  gap: 12px;
}

.footer-contact span {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.65);
}

.footer-contact i {
  color: var(--color-accent);
  width: 16px;
  text-align: center;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.45);
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .scenario-grid {
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }
  .main-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-surface);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px 24px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 12px 28px rgba(11, 59, 102, 0.12);
    gap: 4px;
  }
  .main-nav.open {
    display: flex;
  }
  .nav-link {
    padding: 12px 14px;
    font-size: 1rem;
  }
  .nav-cta {
    margin: 12px 0 0;
    width: 100%;
    justify-content: center;
  }
  .section {
    padding: 56px 0;
  }
  .advantage-strip,
  .steps-grid,
  .cards-grid {
    grid-template-columns: 1fr;
  }
  .scenario-grid {
    grid-template-columns: 1fr;
  }
  .cta-inner {
    flex-direction: column;
    text-align: center;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .category-hero {
    padding: 56px 0;
  }
}

@media (max-width: 520px) {
  .brand-text {
    font-size: 1rem;
  }
  .category-tabs a {
    padding: 8px 14px;
    font-size: 0.85rem;
  }
  .section-title {
    font-size: 1.4rem;
  }
  .pagination {
    gap: 8px;
  }
  .page-num {
    width: 38px;
    height: 38px;
  }
}