/* roulang page: index */
/* ========== 设计变量 ========== */
:root {
  --primary: #F5A623;
  --primary-hover: #f7b84d;
  --primary-deep: #d18e14;
  --secondary: #0D8A96;
  --secondary-light: #17A2B8;
  --bg-deep: #0E0F12;
  --bg-card: #17191F;
  --bg-card-hover: #1E2129;
  --bg-elevated: #1E2129;
  --text-main: #F2F3F5;
  --text-secondary: #9AA0AC;
  --text-muted: #6C7280;
  --border-color: #2A2E37;
  --border-light: #3A3F4A;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --shadow-card: 0 8px 24px rgba(0,0,0,0.35);
  --shadow-hover: 0 12px 32px rgba(0,0,0,0.5);
  --font-family: "PingFang SC","Microsoft YaHei","Noto Sans SC",Inter,-apple-system,BlinkMacSystemFont,sans-serif;
  --transition-base: all 0.25s ease;
}

/* ========== Reset & Base ========== */
*,*::before,*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-family);
  background: var(--bg-deep);
  color: var(--text-main);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: var(--secondary-light); text-decoration: none; transition: var(--transition-base); }
a:hover { color: var(--primary); }
img { max-width: 100%; height: auto; }
button, input { font-family: inherit; }
.container {
  max-width: 1320px;
  padding-left: 24px;
  padding-right: 24px;
}
.section-padding { padding: 80px 0; }
@media (max-width: 768px) {
  .section-padding { padding: 48px 0; }
  .container { padding-left: 20px; padding-right: 20px; }
}

/* ========== 按钮体系 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  line-height: 1.4;
  transition: var(--transition-base);
  cursor: pointer;
  letter-spacing: 0.01em;
}
.btn:focus, .btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(245,166,35,0.25);
}
.btn-primary {
  background: var(--primary);
  color: #13141A;
}
.btn-primary:hover {
  background: var(--primary-hover);
  color: #13141A;
  filter: brightness(1.08);
  transform: translateY(-1px);
}
.btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 1px solid #4A4F5A;
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-1px);
}
.btn-lg { padding: 14px 36px; font-size: 16px; }
.btn-sm { padding: 10px 22px; font-size: 14px; }
.btn .fa-arrow-right { font-size: 13px; }

/* ========== 徽章 / 标签 ========== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 14px;
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  color: var(--primary);
  background: rgba(245,166,35,0.12);
  letter-spacing: 0.02em;
}
.badge-secondary {
  color: var(--secondary-light);
  background: rgba(23,162,184,0.12);
}
.badge-cover {
  position: absolute;
  left: 12px;
  top: 12px;
  z-index: 2;
  padding: 4px 14px;
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  color: var(--primary);
  background: rgba(19,20,26,0.8);
  backdrop-filter: blur(6px);
  letter-spacing: 0.02em;
  border: 1px solid rgba(245,166,35,0.3);
}

/* ========== 导航栏 ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 68px;
  background: rgba(14,15,18,0.9);
  backdrop-filter: blur(0);
  transition: all 0.3s ease;
  border-bottom: 1px solid rgba(42,46,55,0.5);
}
.site-header.scrolled {
  background: rgba(14,15,18,0.94);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}
.site-header .navbar {
  height: 68px;
  padding: 0;
  display: flex;
  align-items: center;
}
.site-header .navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0;
  font-size: 22px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.02em;
  line-height: 1.2;
}
.site-header .navbar-brand:hover { color: var(--primary); }
.brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(245,166,35,0.15);
  border: 1px solid rgba(245,166,35,0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.brand-icon svg { width: 20px; height: 20px; fill: var(--primary); }
.brand-name { font-size: 20px; font-weight: 700; }
.brand-name .brand-sub { font-size: 12px; font-weight: 400; color: var(--text-muted); margin-left: 4px; letter-spacing: 0.05em; }

.navbar-toggler {
  border: none;
  padding: 8px 10px;
  background: transparent;
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-radius: 8px;
}
.navbar-toggler:focus { box-shadow: none; }
.toggler-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: var(--transition-base);
}

.navbar-nav { align-items: center; gap: 2px; }
.navbar-nav .nav-item { margin: 0 4px; position: relative; }
.navbar-nav .nav-link {
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 8px;
  transition: var(--transition-base);
  line-height: 1.4;
}
.navbar-nav .nav-link:hover {
  color: var(--text-main);
  background: rgba(255,255,255,0.04);
}
.navbar-nav .nav-link.active {
  color: var(--text-main);
  position: relative;
}
.navbar-nav .nav-link.active::after {
  content: '';
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 2px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.search-box {
  position: relative;
  width: 220px;
}
.search-box input {
  width: 100%;
  height: 40px;
  padding: 0 42px 0 36px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 14px;
  transition: var(--transition-base);
}
.search-box input::placeholder { color: var(--text-muted); }
.search-box input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(245,166,35,0.2);
}
.search-box .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 13px;
  pointer-events: none;
}
.search-box .kbd {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  background: rgba(255,255,255,0.04);
  font-family: inherit;
  cursor: default;
}
.header-actions .btn-cta {
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}

/* ========== Hero ========== */
.hero-section {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  overflow: hidden;
  padding-top: 68px;
}
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(14,15,18,0.95) 0%, rgba(14,15,18,0.75) 40%, rgba(14,15,18,0.35) 70%, rgba(14,15,18,0) 100%);
  z-index: 1;
}
.hero-section::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, #0E0F12 0%, rgba(14,15,18,0.85) 22%, rgba(14,15,18,0) 60%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
  padding: 80px 0;
}
.hero-content .hero-tagline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--primary);
  background: rgba(245,166,35,0.1);
  border: 1px solid rgba(245,166,35,0.2);
  border-radius: var(--radius-pill);
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}
.hero-content h1 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 20px;
  letter-spacing: 0.01em;
  color: var(--text-main);
}
.hero-content h1 .highlight {
  color: var(--primary);
}
.hero-content .hero-subtitle {
  font-size: 17px;
  color: #C6CBD4;
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 560px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.hero-stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}
.hero-stats .stat {
  display: flex;
  flex-direction: column;
}
.hero-stats .stat strong {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
  letter-spacing: 0.01em;
}
.hero-stats .stat span {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ========== 快捷入口 ========== */
.quick-nav-section {
  padding: 48px 0 0;
  position: relative;
  z-index: 3;
  margin-top: -32px;
}
.quick-nav-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.quick-nav-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: var(--transition-base);
  color: var(--text-main);
}
.quick-nav-item:hover {
  background: var(--bg-card-hover);
  border-color: rgba(245,166,35,0.3);
  color: var(--text-main);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}
.quick-nav-item .quick-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(245,166,35,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 17px;
  flex-shrink: 0;
}
.quick-nav-item .quick-info { display: flex; flex-direction: column; }
.quick-nav-item .quick-info strong { font-size: 15px; font-weight: 600; }
.quick-nav-item .quick-info small { font-size: 13px; color: var(--text-muted); }
@media (max-width: 768px) {
  .quick-nav-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .quick-nav-item { padding: 14px; }
}

/* ========== 区块标题 ========== */
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  gap: 20px;
}
.section-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-main);
  margin: 0;
  line-height: 1.3;
  letter-spacing: 0.01em;
  display: flex;
  align-items: center;
}
.section-title::before {
  content: '';
  width: 4px;
  height: 26px;
  border-radius: 4px;
  background: var(--primary);
  display: inline-block;
  margin-right: 14px;
}
.section-title .title-tag {
  font-size: 13px;
  font-weight: 400;
  color: var(--text-muted);
  margin-left: 12px;
  letter-spacing: 0;
}
.view-all {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.view-all:hover { color: var(--primary); }
.section-arrows { display: flex; gap: 10px; }
.scroll-arrow {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-base);
}
.scroll-arrow:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #13141A;
}
@media (max-width: 768px) {
  .section-title { font-size: 22px; }
  .section-title::before { height: 22px; }
}

/* ========== 横滑片库 ========== */
.horizon-section { padding: 80px 0; }
.horizon-scroll-wrap { position: relative; }
.horizon-scroll {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  gap: 0;
  padding-bottom: 12px;
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.horizon-scroll::-webkit-scrollbar { display: none; }
.h-card {
  flex: 0 0 260px;
  scroll-snap-align: start;
  margin-right: 18px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  background: var(--bg-card);
  box-shadow: var(--shadow-card);
  transition: var(--transition-base);
  cursor: pointer;
}
.h-card:last-child { margin-right: 0; }
.h-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.h-card .h-card-cover {
  position: relative;
  aspect-ratio: 2/3;
  overflow: hidden;
}
.h-card .h-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.h-card:hover .h-card-cover img { transform: scale(1.03); }
.h-card .h-card-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(14,15,18,0.85) 0%, rgba(14,15,18,0.1) 50%, transparent 100%);
}
.h-card .h-card-info {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 14px;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.h-card .h-card-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.3;
}
.h-card .h-card-badge {
  font-size: 11px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: rgba(245,166,35,0.85);
  color: #13141A;
  font-weight: 600;
  white-space: nowrap;
}
.h-card .h-card-number {
  position: absolute;
  right: 12px;
  top: 12px;
  z-index: 2;
  font-size: 13px;
  font-weight: 700;
  color: rgba(255,255,255,0.9);
  background: rgba(14,15,18,0.6);
  border-radius: 8px;
  padding: 2px 10px;
  backdrop-filter: blur(4px);
}
@media (max-width: 768px) {
  .h-card { flex-basis: 200px; }
  .horizon-section { padding: 48px 0; }
}

/* ========== 热播推荐 ========== */
.featured-section { padding: 0 0 80px; }
.featured-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.featured-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition-base);
  border: 1px solid rgba(42,46,55,0.4);
}
.featured-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(245,166,35,0.2);
}
.featured-card .card-cover {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
}
.featured-card .card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.featured-card:hover .card-cover img { transform: scale(1.05); }
.featured-card .card-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(14,15,18,0.5) 0%, transparent 50%);
}
.featured-card .card-body { padding: 18px 20px 20px; }
.featured-card .card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.4;
  margin: 0 0 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.featured-card .card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0 0 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.featured-card .card-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--secondary-light);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.featured-card .card-link:hover { color: var(--primary); }
@media (max-width: 1200px) {
  .featured-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 992px) {
  .featured-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 576px) {
  .featured-grid { grid-template-columns: 1fr; }
  .featured-section { padding-bottom: 48px; }
}

/* ========== 片单分区 ========== */
.playlist-section {
  padding: 80px 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}
.playlist-tabs {
  display: flex;
  gap: 8px;
  background: var(--bg-deep);
  padding: 4px;
  border-radius: var(--radius-pill);
}
.playlist-tabs .tab-btn {
  padding: 8px 22px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: var(--transition-base);
}
.playlist-tabs .tab-btn:hover { color: var(--text-main); }
.playlist-tabs .tab-btn.active {
  background: var(--primary);
  color: #13141A;
  font-weight: 600;
}
.playlist-grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 40px;
  align-items: center;
  margin-top: 32px;
}
.playlist-list { display: flex; flex-direction: column; gap: 8px; }
.playlist-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: var(--bg-deep);
  border-radius: var(--radius-md);
  transition: var(--transition-base);
  cursor: pointer;
  border: 1px solid rgba(42,46,55,0.4);
}
.playlist-item:hover {
  background: var(--bg-elevated);
  border-color: rgba(245,166,35,0.2);
  transform: translateX(4px);
}
.playlist-item .item-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(245,166,35,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 16px;
  flex-shrink: 0;
}
.playlist-item .item-info { flex: 1; min-width: 0; }
.playlist-item .item-info strong {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.playlist-item .item-info span {
  font-size: 13px;
  color: var(--text-muted);
}
.playlist-item .item-count {
  font-size: 13px;
  font-weight: 600;
  color: var(--secondary-light);
  white-space: nowrap;
}
.playlist-featured {
  background: var(--bg-deep);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.playlist-featured .featured-cover {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.playlist-featured .featured-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.playlist-featured:hover .featured-cover img { transform: scale(1.03); }
.playlist-featured .featured-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(14,15,18,0.7) 0%, transparent 60%);
}
.playlist-featured .featured-body { padding: 20px 24px 24px; }
.playlist-featured .featured-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-main);
  margin: 0 0 8px;
}
.playlist-featured .featured-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0 0 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.playlist-featured .featured-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.playlist-featured .featured-link:hover { color: var(--primary-hover); }
@media (max-width: 992px) {
  .playlist-grid { grid-template-columns: 1fr; gap: 24px; }
}
@media (max-width: 768px) {
  .playlist-section { padding: 48px 0; }
}

/* ========== 最新资讯 ========== */
.news-section { padding: 80px 0; }
.news-list { display: flex; flex-direction: column; gap: 14px; }
.news-item {
  display: flex;
  gap: 20px;
  padding: 18px 20px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  transition: var(--transition-base);
  border-left: 2px solid transparent;
  border: 1px solid rgba(42,46,55,0.3);
}
.news-item:hover {
  background: var(--bg-card-hover);
  border-left: 2px solid var(--primary);
  box-shadow: var(--shadow-card);
}
.news-thumb {
  width: 120px;
  min-width: 120px;
  height: 80px;
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 20px;
}
.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.news-body { flex: 1; min-width: 0; }
.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
  gap: 12px;
}
.badge-cat {
  display: inline-flex;
  align-items: center;
  padding: 3px 12px;
  font-size: 12px;
  font-weight: 500;
  color: var(--primary);
  background: rgba(245,166,35,0.1);
  border-radius: var(--radius-pill);
}
.news-date {
  font-size: 13px;
  color: var(--text-muted);
  white-space: nowrap;
}
.news-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  margin: 0 0 6px;
  line-height: 1.4;
}
.news-title a { color: var(--text-main); }
.news-title a:hover { color: var(--primary); }
.news-excerpt {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0 0 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--secondary-light);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.news-link:hover { color: var(--primary); }

/* 空态 */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px dashed var(--border-light);
}
.empty-state i {
  font-size: 40px;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.empty-state p {
  font-size: 16px;
  color: var(--text-main);
  margin: 0 0 4px;
  font-weight: 500;
}
.empty-state span {
  font-size: 14px;
  color: var(--text-muted);
}
@media (max-width: 576px) {
  .news-item { flex-direction: column; gap: 12px; }
  .news-thumb { width: 100%; min-width: 0; height: 120px; }
}

/* ========== CTA 横幅 ========== */
.cta-banner {
  position: relative;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}
.cta-banner::before,
.cta-banner::after {
  content: '';
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245,166,35,0.1), transparent 70%);
  pointer-events: none;
}
.cta-banner::before { top: -120px; left: -80px; }
.cta-banner::after { bottom: -120px; right: -80px; }
.cta-banner .cta-content {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.cta-banner .cta-text h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-main);
  margin: 0 0 8px;
  letter-spacing: 0.01em;
}
.cta-banner .cta-text p {
  font-size: 15px;
  color: #C6CBD4;
  margin: 0;
  line-height: 1.6;
}
.cta-banner .cta-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-shrink: 0;
}
.cta-banner .cta-link {
  font-size: 14px;
  color: var(--text-secondary);
  white-space: nowrap;
}
.cta-banner .cta-link:hover { color: var(--primary); }
@media (max-width: 768px) {
  .cta-banner { padding: 36px 24px; }
  .cta-banner .cta-content { flex-direction: column; text-align: center; }
  .cta-banner .cta-actions { flex-direction: column; width: 100%; }
  .cta-banner .btn { width: 100%; }
}

/* ========== FAQ ========== */
.faq-section {
  padding: 80px 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
}
.faq-section .section-title { justify-content: center; }
.faq-section .section-title::before { display: none; }
.faq-section .section-title::after {
  content: '';
  width: 4px;
  height: 26px;
  border-radius: 4px;
  background: var(--primary);
  display: inline-block;
  margin-left: 14px;
}
.faq-wrap { max-width: 900px; margin: 40px auto 0; }
.faq-item {
  border-bottom: 1px solid var(--border-color);
}
.faq-item:first-child { border-top: 1px solid var(--border-color); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 0;
  background: transparent;
  border: none;
  color: var(--text-main);
  cursor: pointer;
  text-align: left;
  transition: var(--transition-base);
}
.faq-question:hover { color: var(--primary); }
.faq-q {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary);
  color: #13141A;
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.faq-question .faq-text {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
}
.faq-question .faq-arrow {
  font-size: 14px;
  color: var(--text-muted);
  transition: transform 0.3s ease;
}
.faq-question[aria-expanded="true"] .faq-arrow {
  transform: rotate(180deg);
  color: var(--primary);
}
.faq-answer {
  padding: 0 0 24px 48px;
  font-size: 15px;
  color: #C6CBD4;
  line-height: 1.75;
  max-width: 800px;
}
.faq-answer p:last-child { margin-bottom: 0; }
@media (max-width: 768px) {
  .faq-section { padding: 48px 0; }
  .faq-answer { padding-left: 0; }
}

/* ========== 页脚 ========== */
.site-footer {
  background: #0B0C0F;
  border-top: 1px solid var(--border-color);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 4fr 2fr 2fr 4fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 14px;
}
.footer-brand .footer-logo:hover { color: var(--primary); }
.footer-brand .footer-logo .brand-icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 0;
  max-width: 320px;
}
.footer-col h5 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col ul li a {
  font-size: 14px;
  color: var(--text-secondary);
}
.footer-col ul li a:hover { color: var(--primary); }
.footer-subscribe h5 { margin-bottom: 14px; }
.footer-subscribe p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.subscribe-form {
  display: flex;
  gap: 8px;
}
.subscribe-form input {
  flex: 1;
  height: 44px;
  padding: 0 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 14px;
  transition: var(--transition-base);
  min-width: 0;
}
.subscribe-form input::placeholder { color: var(--text-muted); }
.subscribe-form input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(245,166,35,0.2);
}
.subscribe-form .btn {
  padding: 10px 20px;
  font-size: 14px;
  white-space: nowrap;
}
.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0;
}
.footer-bottom .footer-legal {
  display: flex;
  gap: 20px;
}
.footer-bottom .footer-legal a {
  font-size: 13px;
  color: var(--text-muted);
}
.footer-bottom .footer-legal a:hover { color: var(--primary); }
@media (max-width: 992px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 576px) {
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .subscribe-form { flex-direction: column; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ========== 背景光晕装饰 ========== */
.bg-glow {
  position: relative;
}
.bg-glow::before {
  content: '';
  position: absolute;
  top: 10%;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(245,166,35,0.06), transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.bg-glow > * { position: relative; z-index: 1; }

/* ========== 响应式补充 ========== */
@media (max-width: 992px) {
  .site-header .navbar-collapse {
    background: rgba(14,15,18,0.98);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    padding: 20px;
    margin-top: 8px;
    box-shadow: var(--shadow-hover);
  }
  .navbar-nav { align-items: stretch; }
  .navbar-nav .nav-item { margin: 2px 0; }
  .navbar-nav .nav-link { padding: 12px 16px; }
  .navbar-nav .nav-link.active::after { display: none; }
  .navbar-nav .nav-link.active {
    background: rgba(245,166,35,0.1);
    color: var(--primary);
  }
  .header-actions { flex-direction: column; align-items: stretch; margin-top: 16px; gap: 12px; }
  .search-box { width: 100%; }
  .header-actions .btn-cta { width: 100%; }
}
@media (max-width: 576px) {
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .hero-stats { gap: 24px; }
  .hero-stats .stat strong { font-size: 24px; }
  .section-head { flex-wrap: wrap; gap: 12px; }
  .section-head .section-arrows { margin-left: auto; }
}

/* roulang page: article */
:root {
            --primary: #F5A623;
            --primary-bright: #ffb84d;
            --secondary: #0D8A96;
            --secondary-light: #19a6b3;
            --bg-deep: #0E0F12;
            --bg-dark: #17191F;
            --bg-card: #1E2129;
            --bg-hover: #23262F;
            --border: #2A2E37;
            --text-main: #F2F3F5;
            --text-secondary: #9AA0AC;
            --text-weak: #6C7280;
            --text-body: #C6CBD4;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 10px;
            --radius-pill: 999px;
            --shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.5);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --header-h: 68px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, sans-serif;
            background: var(--bg-deep);
            color: var(--text-main);
            font-size: 15px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

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

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        .container {
            max-width: 1320px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== 按钮体系 ===== */
        .btn {
            font-weight: 600;
            border-radius: var(--radius-sm);
            padding: 10px 24px;
            font-size: 15px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: none;
        }

        .btn-primary {
            background: var(--primary) !important;
            color: #13141A !important;
            border: none !important;
            box-shadow: 0 4px 14px rgba(245, 166, 35, 0.25);
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--primary-bright) !important;
            filter: brightness(1.1);
            box-shadow: 0 6px 20px rgba(245, 166, 35, 0.35);
            transform: translateY(-1px);
            color: #13141A !important;
        }

        .btn-outline-custom {
            background: transparent;
            color: var(--text-main);
            border: 1px solid #4A4F5A;
            transition: var(--transition);
        }

        .btn-outline-custom:hover,
        .btn-outline-custom:focus {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(245, 166, 35, 0.06);
        }

        .btn:disabled,
        .btn.disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            height: var(--header-h);
            background: rgba(14, 15, 18, 0.9);
            border-bottom: 1px solid transparent;
            transition: all 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(14, 15, 18, 0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }

        .site-header .navbar {
            height: var(--header-h);
            padding: 0;
        }

        .site-header .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0;
            font-size: 0;
            line-height: 1;
        }

        .site-header .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(245, 166, 35, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            flex-shrink: 0;
            border: 1px solid rgba(245, 166, 35, 0.2);
        }

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

        .site-header .brand-name {
            font-size: 19px;
            font-weight: 700;
            letter-spacing: 0.01em;
            color: var(--text-main);
            white-space: nowrap;
        }

        .site-header .brand-sub {
            color: var(--primary);
            font-weight: 600;
            margin-left: 2px;
        }

        .site-header .navbar-nav {
            gap: 4px;
        }

        .site-header .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 16px;
            border-radius: 8px;
            position: relative;
            transition: var(--transition);
        }

        .site-header .nav-link:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.04);
        }

        .site-header .nav-link.active {
            color: var(--text-main);
        }

        .site-header .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

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

        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            width: 220px;
            height: 40px;
            padding: 0 12px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.12);
        }

        .search-box .search-icon {
            color: var(--text-weak);
            font-size: 13px;
        }

        .search-box input {
            flex: 1;
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-main);
            font-size: 13px;
            min-width: 0;
        }

        .search-box input::placeholder {
            color: var(--text-weak);
        }

        .search-box .kbd {
            font-size: 11px;
            color: var(--text-weak);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border);
            border-radius: 4px;
            padding: 2px 6px;
            white-space: nowrap;
            font-family: inherit;
        }

        .btn-cta {
            height: 40px;
            padding: 0 20px;
            font-size: 14px;
            white-space: nowrap;
            border-radius: var(--radius-sm);
        }

        .navbar-toggler {
            border: none;
            padding: 8px 10px;
            display: flex;
            flex-direction: column;
            gap: 5px;
            background: transparent;
        }

        .navbar-toggler:focus {
            box-shadow: none;
            outline: none;
        }

        .toggler-bar {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-main);
            border-radius: 2px;
            transition: var(--transition);
        }

        .navbar-toggler:hover .toggler-bar {
            background: var(--primary);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-nav {
            margin-bottom: 24px;
            font-size: 14px;
        }

        .breadcrumb-nav ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 4px;
            padding: 0;
            margin: 0;
        }

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

        .breadcrumb-nav li + li::before {
            content: "/";
            margin: 0 6px;
            color: var(--text-weak);
        }

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

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

        .breadcrumb-nav li[aria-current="page"] {
            color: var(--text-main);
            font-weight: 500;
            max-width: 360px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* ===== 文章 Hero ===== */
        .article-hero {
            position: relative;
            min-height: 420px;
            padding: calc(var(--header-h) + 80px) 0 64px;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            display: flex;
            align-items: flex-end;
        }

        .article-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(14, 15, 18, 0.55) 0%, rgba(14, 15, 18, 0.78) 60%, var(--bg-deep) 100%);
            z-index: 1;
        }

        .article-hero .container {
            position: relative;
            z-index: 2;
        }

        .article-h1 {
            font-size: clamp(1.8rem, 3.2vw, 2.6rem);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.01em;
            margin-bottom: 20px;
            max-width: 840px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 20px;
            font-size: 14px;
            color: var(--text-secondary);
        }

        .article-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta .meta-item i {
            color: var(--primary);
            font-size: 13px;
        }

        .article-meta .meta-cat {
            display: inline-block;
            padding: 3px 14px;
            background: rgba(245, 166, 35, 0.1);
            color: var(--primary);
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 500;
        }

        /* ===== 文章主体 ===== */
        .article-section {
            padding: 64px 0 80px;
        }

        .article-wrapper {
            max-width: 860px;
            margin: 0 auto;
        }

        .cms-content {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
        }

        .cms-content > *:first-child {
            margin-top: 0;
        }

        .cms-content h2 {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--text-main);
            margin: 40px 0 16px;
            letter-spacing: 0.01em;
            border-bottom: 1px solid var(--border);
            padding-bottom: 12px;
        }

        .cms-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--text-main);
            margin: 28px 0 12px;
        }

        .cms-content p {
            margin-bottom: 20px;
            color: var(--text-body);
            line-height: 1.85;
        }

        .cms-content img {
            max-width: 100%;
            border-radius: var(--radius-md);
            margin: 28px 0;
            box-shadow: var(--shadow);
        }

        .cms-content blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(245, 166, 35, 0.06);
            padding: 16px 24px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 28px 0;
            color: var(--text-secondary);
            font-style: italic;
        }

        .cms-content ul,
        .cms-content ol {
            margin: 0 0 20px 20px;
            color: var(--text-body);
        }

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

        .cms-content a {
            color: var(--secondary-light);
            border-bottom: 1px solid rgba(13, 138, 150, 0.3);
        }

        .cms-content a:hover {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }

        .cms-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 14px;
        }

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

        .cms-content table th {
            background: var(--bg-card);
            color: var(--text-main);
            font-weight: 600;
        }

        .cms-content code {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 4px;
            padding: 2px 6px;
            font-size: 14px;
            color: var(--primary);
        }

        /* 空文章 */
        .article-empty {
            text-align: center;
            padding: 80px 20px;
            background: var(--bg-dark);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
        }

        .article-empty .empty-icon {
            width: 72px;
            height: 72px;
            margin: 0 auto 24px;
            border-radius: 50%;
            background: rgba(245, 166, 35, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: var(--primary);
        }

        .article-empty h2 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
        }

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

        /* ===== 文章底部导航 ===== */
        .article-bottom-nav {
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid var(--border);
        }

        .article-bottom-nav .prev-post,
        .article-bottom-nav .next-post {
            display: block;
            padding: 18px 20px;
            background: var(--bg-dark);
            border: 1px solid transparent;
            border-radius: var(--radius-md);
            transition: var(--transition);
            margin-bottom: 16px;
        }

        .article-bottom-nav .prev-post:hover,
        .article-bottom-nav .next-post:hover {
            background: var(--bg-hover);
            border-color: rgba(245, 166, 35, 0.2);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            color: var(--text-main);
        }

        .article-bottom-nav .nav-label {
            display: block;
            font-size: 13px;
            color: var(--text-weak);
            margin-bottom: 6px;
        }

        .article-bottom-nav .nav-label i {
            color: var(--primary);
        }

        .article-bottom-nav .nav-title {
            display: block;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.4;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .article-bottom-nav .next-post {
            text-align: right;
        }

        /* ===== 标签 ===== */
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }

        .article-tags .tags-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-right: 4px;
        }

        .article-tags .tags-label i {
            color: var(--primary);
        }

        .tag-badge {
            display: inline-block;
            padding: 5px 16px;
            background: rgba(13, 138, 150, 0.1);
            border: 1px solid rgba(13, 138, 150, 0.2);
            border-radius: var(--radius-pill);
            font-size: 13px;
            color: var(--secondary-light);
            transition: var(--transition);
        }

        .tag-badge:hover {
            background: rgba(13, 138, 150, 0.2);
            color: var(--primary);
            border-color: var(--primary);
        }

        .back-to-list {
            margin-top: 24px;
            text-align: center;
        }

        .back-to-list a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition);
        }

        .back-to-list a:hover {
            color: var(--primary);
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            padding: 80px 0;
            background: var(--bg-dark);
            position: relative;
        }

        .related-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80%;
            max-width: 900px;
            height: 120px;
            background: radial-gradient(ellipse, rgba(245, 166, 35, 0.05), transparent 70%);
            pointer-events: none;
        }

        .section-heading {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 36px;
        }

        .section-heading .heading-left {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .section-heading .heading-bar {
            width: 4px;
            height: 24px;
            background: var(--primary);
            border-radius: 4px;
        }

        .section-heading h2 {
            font-size: 24px;
            font-weight: 700;
            margin: 0;
            letter-spacing: 0.01em;
        }

        .related-card {
            display: flex;
            gap: 16px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            border: 1px solid transparent;
            padding: 12px;
        }

        .related-card:hover {
            background: var(--bg-hover);
            box-shadow: var(--shadow-hover);
            border-color: rgba(245, 166, 35, 0.15);
            transform: translateY(-2px);
        }

        .related-thumb {
            width: 140px;
            height: 96px;
            border-radius: 10px;
            overflow: hidden;
            position: relative;
            flex-shrink: 0;
        }

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

        .related-card:hover .related-thumb img {
            transform: scale(1.05);
        }

        .related-thumb .thumb-badge {
            position: absolute;
            top: 8px;
            left: 8px;
            background: rgba(14, 15, 18, 0.75);
            color: var(--primary);
            font-size: 11px;
            padding: 2px 8px;
            border-radius: var(--radius-pill);
            font-weight: 500;
            backdrop-filter: blur(4px);
        }

        .related-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-width: 0;
        }

        .related-body h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin: 0 0 6px;
            line-height: 1.4;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        .related-body p {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.5;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        /* ===== CTA 横幅 ===== */
        .cta-banner {
            background: var(--bg-dark);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before,
        .cta-banner::after {
            content: "";
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            filter: blur(60px);
            pointer-events: none;
        }

        .cta-banner::before {
            left: -100px;
            top: -50px;
            background: rgba(245, 166, 35, 0.1);
        }

        .cta-banner::after {
            right: -100px;
            bottom: -50px;
            background: rgba(13, 138, 150, 0.08);
        }

        .cta-banner .container {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .cta-content {
            flex: 1;
            min-width: 280px;
        }

        .cta-content h2 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .cta-content p {
            color: var(--text-secondary);
            margin: 0;
            font-size: 15px;
        }

        .cta-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0B0C0F;
            border-top: 1px solid var(--border);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 4fr 2fr 2fr 4fr;
            gap: 40px;
            padding-bottom: 48px;
        }

        .footer-brand {
            max-width: 320px;
        }

        .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
        }

        .footer-logo .brand-icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: rgba(245, 166, 35, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
        }

        .footer-logo .brand-icon svg {
            width: 18px;
            height: 18px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
        }

        .footer-col h5 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

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

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

        .footer-col li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition);
        }

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

        .footer-subscribe p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }

        .subscribe-form {
            display: flex;
            gap: 8px;
        }

        .subscribe-form input {
            flex: 1;
            height: 42px;
            padding: 0 14px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            color: var(--text-main);
            font-size: 14px;
            outline: none;
            min-width: 0;
            transition: var(--transition);
        }

        .subscribe-form input::placeholder {
            color: var(--text-weak);
        }

        .subscribe-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.12);
        }

        .subscribe-form .btn {
            height: 42px;
            padding: 0 20px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            padding: 24px 0 28px;
            border-top: 1px solid var(--border);
            font-size: 13px;
            color: var(--text-weak);
        }

        .footer-bottom p {
            margin: 0;
        }

        .footer-legal {
            display: flex;
            gap: 20px;
        }

        .footer-legal a {
            color: var(--text-weak);
            font-size: 13px;
            transition: var(--transition);
        }

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

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

            .footer-brand {
                grid-column: 1 / -1;
                max-width: 100%;
            }

            .navbar-collapse {
                background: rgba(14, 15, 18, 0.98);
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                padding: 20px 24px;
                margin-top: 8px;
                box-shadow: var(--shadow);
                border: 1px solid var(--border);
            }

            .site-header .navbar-nav {
                gap: 2px;
            }

            .site-header .nav-link {
                padding: 10px 12px;
            }

            .header-actions {
                margin-left: 0;
                margin-top: 12px;
                width: 100%;
                justify-content: space-between;
                flex-wrap: wrap;
            }

            .search-box {
                width: 100%;
                flex: 1;
            }

            .btn-cta {
                margin-left: auto;
            }

            .cta-banner .container {
                flex-direction: column;
                text-align: center;
            }

            .cta-actions {
                justify-content: center;
            }
        }

        @media (max-width: 767.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .article-hero {
                min-height: 360px;
                padding: calc(var(--header-h) + 56px) 0 48px;
            }

            .article-h1 {
                font-size: 1.6rem;
            }

            .article-section {
                padding: 48px 0 56px;
            }

            .related-section {
                padding: 56px 0;
            }

            .section-heading h2 {
                font-size: 20px;
            }

            .related-card {
                padding: 10px;
            }

            .related-thumb {
                width: 110px;
                height: 84px;
            }

            .article-bottom-nav .prev-post,
            .article-bottom-nav .next-post {
                text-align: left;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-subscribe {
                grid-column: 1 / -1;
            }

            .subscribe-form {
                flex-direction: column;
            }

            .subscribe-form .btn {
                width: 100%;
            }

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

            .breadcrumb-nav li[aria-current="page"] {
                max-width: 220px;
            }
        }

        @media (max-width: 575.98px) {
            .article-meta {
                gap: 12px;
            }

            .article-meta .meta-item {
                font-size: 13px;
            }

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

            .cms-content h2 {
                font-size: 1.35rem;
            }

            .related-thumb {
                width: 96px;
                height: 74px;
            }

            .related-body h3 {
                font-size: 14px;
            }

            .related-body p {
                font-size: 12px;
            }

            .cta-content h2 {
                font-size: 22px;
            }
        }

/* roulang page: category1 */
:root {
  --primary: #F5A623;
  --primary-bright: #FFB830;
  --secondary: #17A2B8;
  --secondary-dark: #0D8A96;
  --bg-deep: #0E0F12;
  --bg-charcoal: #17191F;
  --bg-hover: #1E2129;
  --bg-elevated: #22252E;
  --text-main: #F2F3F5;
  --text-secondary: #9AA0AC;
  --text-muted: #6C7280;
  --border: #2A2E37;
  --border-light: rgba(245, 166, 35, 0.15);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.5);
  --transition: all 0.3s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-deep);
  color: var(--text-main);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
button { font-family: inherit; }
.container { max-width: 1320px; padding-left: 20px; padding-right: 20px; }
section { position: relative; }
::selection { background: rgba(245, 166, 35, 0.3); color: #fff; }

/* ========== 导航 ========== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1050;
  height: 68px;
  background: rgba(14, 15, 18, 0.9);
  border-bottom: 1px solid rgba(42, 46, 55, 0.4);
  transition: var(--transition);
}
.site-header.scrolled {
  background: rgba(14, 15, 18, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}
.site-header .navbar { height: 68px; padding: 0; }
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0;
  font-weight: 700;
  font-size: 20px;
  color: var(--text-main) !important;
}
.brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), #D4880F);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #13141A;
  flex-shrink: 0;
}
.brand-icon svg { width: 20px; height: 20px; }
.brand-name { letter-spacing: 0.01em; }
.brand-sub { color: var(--primary); font-weight: 600; }
.navbar-nav { gap: 4px; }
.navbar-nav .nav-link {
  font-size: 15px;
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  position: relative;
  transition: var(--transition);
}
.navbar-nav .nav-link:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.04);
}
.navbar-nav .nav-link.active {
  color: var(--text-main);
  font-weight: 600;
}
.navbar-nav .nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 16px;
  right: 16px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.search-box {
  width: 220px;
  height: 40px;
  background: var(--bg-hover);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 8px;
  transition: var(--transition);
}
.search-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.2);
}
.search-box .search-icon { color: var(--text-muted); font-size: 14px; }
.search-box input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-main);
  font-size: 14px;
  font-family: inherit;
}
.search-box input::placeholder { color: var(--text-muted); }
.kbd {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
}
.btn-cta {
  background: var(--primary);
  border: none;
  color: #13141A;
  font-weight: 700;
  font-size: 14px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(245, 166, 35, 0.3);
  white-space: nowrap;
}
.btn-cta:hover {
  filter: brightness(1.1);
  color: #13141A;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245, 166, 35, 0.4);
}
.navbar-toggler {
  border: none;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: transparent;
}
.navbar-toggler:focus { box-shadow: none; }
.toggler-bar {
  width: 22px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: var(--transition);
}

/* ========== 分类 Hero ========== */
.category-hero {
  min-height: 45vh;
  padding: 140px 0 80px;
  position: relative;
  display: flex;
  align-items: center;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
}
.category-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(14, 15, 18, 0.92) 30%, rgba(14, 15, 18, 0.55) 65%, rgba(14, 15, 18, 0.2) 100%);
}
.category-hero::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 120px;
  background: linear-gradient(to bottom, transparent, var(--bg-deep));
}
.hero-content { position: relative; z-index: 2; max-width: 720px; }
.hero-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.hero-breadcrumb a { color: var(--text-muted); }
.hero-breadcrumb a:hover { color: var(--primary); }
.hero-breadcrumb i { font-size: 12px; }
.category-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-main);
  margin-bottom: 16px;
  letter-spacing: 0.01em;
}
.category-hero h1 .highlight { color: var(--primary); }
.hero-sub {
  font-size: 17px;
  color: #C6CBD4;
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 28px;
}
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-primary {
  background: var(--primary);
  border: none;
  color: #13141A !important;
  font-weight: 700;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(245, 166, 35, 0.25);
}
.btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(245, 166, 35, 0.35);
}
.btn-outline {
  background: transparent;
  border: 1px solid #4A4F5A;
  color: var(--text-main);
  font-weight: 600;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(245, 166, 35, 0.12);
}

/* ========== 内容主体区 ========== */
.content-section {
  padding: 80px 0 60px;
  background: var(--bg-deep);
}
.section-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(245, 166, 35, 0.12);
  border-radius: var(--radius-pill);
  padding: 4px 14px;
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 8px;
  line-height: 1.3;
}
.section-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 40px;
}
.content-main .lead-text {
  font-size: 17px;
  line-height: 1.9;
  color: #C6CBD4;
  margin-bottom: 20px;
}
.content-main p {
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-secondary);
  margin-bottom: 20px;
}
.content-main h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 32px 0 14px;
  color: var(--text-main);
  position: relative;
  padding-left: 16px;
}
.content-main h3::before {
  content: '';
  position: absolute;
  left: 0; top: 6px; bottom: 6px;
  width: 4px;
  background: var(--primary);
  border-radius: 4px;
}
.content-main ul {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
}
.content-main ul li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
}
.content-main ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 10px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
  opacity: 0.8;
}
.side-cards { display: flex; flex-direction: column; gap: 20px; }
.side-card {
  background: var(--bg-charcoal);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  gap: 16px;
  padding: 16px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  border: 1px solid rgba(42, 46, 55, 0.5);
}
.side-card:hover {
  background: var(--bg-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-light);
}
.side-card-img {
  width: 100px;
  height: 100px;
  object-fit: cover;
  border-radius: 10px;
  flex-shrink: 0;
}
.side-card-body { flex: 1; display: flex; flex-direction: column; justify-content: center; }
.badge-cat {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--secondary);
  background: rgba(23, 162, 184, 0.12);
  border-radius: var(--radius-pill);
  padding: 2px 12px;
  margin-bottom: 6px;
  width: fit-content;
}
.side-card-body h3 { font-size: 17px; font-weight: 700; margin-bottom: 4px; }
.side-card-body p { font-size: 14px; color: var(--text-secondary); margin-bottom: 8px; line-height: 1.5; }
.side-card-link { font-size: 14px; color: var(--primary); font-weight: 600; }
.side-card-link:hover { color: var(--primary-bright); }
.side-card-link i { font-size: 12px; margin-left: 4px; transition: var(--transition); }
.side-card-link:hover i { transform: translateX(4px); }

/* ========== 子主题横卡 ========== */
.sub-theme-section { padding: 60px 0 80px; }
.theme-card {
  border-radius: var(--radius-lg);
  min-height: 300px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 30px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  border: 1px solid transparent;
}
.theme-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-light);
}
.theme-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.5s ease;
}
.theme-card:hover .theme-bg { transform: scale(1.05); }
.theme-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(14, 15, 18, 0.95) 20%, rgba(14, 15, 18, 0.2) 60%, transparent 100%);
}
.theme-content { position: relative; z-index: 2; }
.theme-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: #13141A;
  background: var(--primary);
  border-radius: var(--radius-pill);
  padding: 3px 14px;
  margin-bottom: 14px;
}
.theme-content h3 {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 8px;
}
.theme-content p {
  font-size: 15px;
  color: #C6CBD4;
  line-height: 1.7;
  margin-bottom: 16px;
  max-width: 360px;
}
.theme-link {
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.theme-link:hover { color: var(--primary-bright); }
.theme-link i { font-size: 13px; }

/* ========== 卖点 ========== */
.features-section {
  padding: 80px 0;
  background: var(--bg-charcoal);
  position: relative;
}
.features-section::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(245, 166, 35, 0.06), transparent 70%);
  pointer-events: none;
}
.feature-card {
  background: var(--bg-deep);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  height: 100%;
  transition: var(--transition);
  border: 1px solid rgba(42, 46, 55, 0.5);
}
.feature-card:hover {
  background: var(--bg-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-light);
}
.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 20px;
  background: rgba(245, 166, 35, 0.12);
  color: var(--primary);
}
.feature-card:nth-child(2n) .feature-icon {
  background: rgba(23, 162, 184, 0.12);
  color: var(--secondary);
}
.feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.feature-card p { font-size: 15px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 0; }

/* ========== 场景 ========== */
.scenes-section { padding: 80px 0; }
.scenet-card {
  border-radius: var(--radius-lg);
  background: var(--bg-charcoal);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: var(--transition);
  border: 1px solid rgba(42, 46, 55, 0.5);
}
.scenet-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-light);
}
.scenet-img {
  height: 200px;
  object-fit: cover;
  width: 100%;
}
.scenet-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.scenet-body h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.scenet-body p { font-size: 15px; color: var(--text-secondary); line-height: 1.75; margin-bottom: 0; }
.scene-card-lg .scenet-img { height: 260px; }

/* ========== FAQ ========== */
.faq-section {
  padding: 80px 0;
  background: var(--bg-charcoal);
}
.faq-wrap { max-width: 900px; margin: 0 auto; }
.faq-heading {
  text-align: center;
  margin-bottom: 48px;
}
.faq-heading .section-title { margin-bottom: 12px; }
.faq-heading p { color: var(--text-secondary); font-size: 16px; }
.faq-accordion .accordion-item {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
}
.faq-accordion .accordion-item:first-child { border-top: 1px solid var(--border); }
.faq-accordion .accordion-button {
  background: transparent;
  color: var(--text-main);
  font-size: 16px;
  font-weight: 600;
  padding: 24px 0;
  box-shadow: none;
  border: none;
  display: flex;
  align-items: center;
  gap: 16px;
}
.faq-accordion .accordion-button::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  background: none;
  width: auto;
  height: auto;
  color: var(--text-muted);
  transform: none;
  transition: var(--transition);
  margin-left: auto;
  font-size: 14px;
}
.faq-accordion .accordion-button:not(.collapsed)::after {
  transform: rotate(180deg);
  color: var(--primary);
}
.faq-accordion .accordion-button:not(.collapsed) {
  color: var(--text-main);
  background: transparent;
}
.faq-q {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--primary);
  color: #13141A;
  font-weight: 800;
  font-size: 14px;
  flex-shrink: 0;
}
.faq-accordion .accordion-body {
  padding: 0 0 24px 46px;
  color: #C6CBD4;
  font-size: 15px;
  line-height: 1.8;
}

/* ========== CTA 横幅 ========== */
.cta-banner {
  padding: 60px 0 80px;
  background: var(--bg-deep);
}
.cta-inner {
  background: var(--bg-charcoal);
  border-radius: var(--radius-lg);
  padding: 48px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.cta-inner::before,
.cta-inner::after {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 166, 35, 0.1), transparent 70%);
  pointer-events: none;
}
.cta-inner::before { top: -80px; left: -60px; }
.cta-inner::after { bottom: -100px; right: -40px; background: radial-gradient(circle, rgba(23, 162, 184, 0.08), transparent 70%); }
.cta-text h2 {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 800;
  margin-bottom: 6px;
}
.cta-text p { color: var(--text-secondary); font-size: 15px; margin: 0; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; position: relative; z-index: 2; }

/* ========== 页脚 ========== */
.site-footer {
  background: #0B0C0F;
  border-top: 1px solid #1E2129;
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 4fr 2fr 2fr 4fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
}
.footer-logo .brand-icon {
  width: 32px;
  height: 32px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-top: 16px;
  max-width: 320px;
}
.footer-col h5 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: var(--transition);
}
.footer-col ul li a:hover {
  color: var(--primary);
  padding-left: 4px;
}
.footer-subscribe p { font-size: 14px; color: var(--text-secondary); margin-bottom: 16px; }
.subscribe-form { display: flex; gap: 8px; }
.subscribe-form input {
  flex: 1;
  height: 44px;
  background: var(--bg-hover);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0 14px;
  color: var(--text-main);
  font-size: 14px;
  font-family: inherit;
  transition: var(--transition);
  min-width: 0;
}
.subscribe-form input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.2);
}
.subscribe-form input::placeholder { color: var(--text-muted); }
.subscribe-form .btn-primary {
  height: 44px;
  padding: 0 20px;
  font-size: 14px;
  flex-shrink: 0;
}
.footer-bottom {
  border-top: 1px solid #1E2129;
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p { font-size: 13px; color: var(--text-muted); margin: 0; }
.footer-legal { display: flex; gap: 20px; }
.footer-legal a { font-size: 13px; color: var(--text-muted); }
.footer-legal a:hover { color: var(--primary); }

/* ========== 响应式 ========== */
@media (max-width: 1199.98px) {
  .search-box { width: 180px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 991.98px) {
  .site-header .navbar-collapse {
    background: rgba(14, 15, 18, 0.98);
    padding: 20px;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    border: 1px solid var(--border);
    border-top: none;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
  }
  .navbar-nav { margin: 16px 0; gap: 4px; }
  .navbar-nav .nav-link { padding: 12px 16px; font-size: 16px; }
  .navbar-nav .nav-link.active::after { display: none; }
  .header-actions { flex-wrap: wrap; gap: 10px; }
  .search-box { width: 100%; order: 1; flex-basis: 100%; }
  .category-hero { min-height: 40vh; padding: 120px 0 60px; }
  .content-section { padding: 60px 0 40px; }
  .sub-theme-section { padding: 40px 0 60px; }
  .features-section { padding: 60px 0; }
  .scenes-section { padding: 60px 0; }
  .cta-inner { padding: 36px 28px; flex-direction: column; align-items: flex-start; text-align: left; }
}
@media (max-width: 767.98px) {
  .category-hero { min-height: auto; padding: 100px 0 60px; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { width: 100%; text-align: center; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .side-card { flex-direction: row; }
  .side-card-img { width: 80px; height: 80px; }
  .theme-card { min-height: 240px; padding: 20px; }
  .faq-accordion .accordion-body { padding-left: 20px; }
  .section-title { font-size: 1.5rem; }
}
@media (max-width: 575.98px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .category-hero h1 { font-size: 2rem; }
  .hero-sub { font-size: 15px; }
  .feature-card { padding: 24px 20px; }
  .theme-card { min-height: 220px; }
  .cta-inner { padding: 28px 20px; }
  .cta-actions { width: 100%; flex-direction: column; }
  .cta-actions .btn { width: 100%; text-align: center; }
  .subscribe-form { flex-direction: column; }
  .subscribe-form .btn { width: 100%; }
  .footer-col ul li a { font-size: 15px; }
}

/* roulang page: category2 */
:root {
            --bgtone: #0E0F12;
            --bgcarbon: #17191F;
            --bghover: #1E2129;
            --amber: #F5A623;
            --teal: #17A2B8;
            --textlight: #F2F3F5;
            --textmid: #9AA0AC;
            --textdim: #6C7280;
            --borderline: #2A2E37;
            --radius-lg: 16px;
            --radius-sm: 12px;
            --radius-btn: 10px;
            --shadow-base: 0 8px 24px rgba(0,0,0,0.35);
            --shadow-hover: 0 12px 32px rgba(0,0,0,0.5);
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            background: var(--bgtone);
            color: var(--textlight);
            font-family: var(--font-stack);
            line-height: 1.75;
            font-size: 15px;
        }
        a {
            color: var(--amber);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: #ffbe4d;
        }
        img {
            max-width: 100%;
            border-radius: 8px;
        }
        button,
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1320px;
        }
        .btn {
            border-radius: var(--radius-btn);
            font-weight: 600;
            padding: 10px 22px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid transparent;
            transition: all .2s ease;
        }
        .btn-primary {
            background: var(--amber);
            color: #13141A;
            border-color: var(--amber);
        }
        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--amber);
            filter: brightness(1.1);
            color: #13141A;
            border-color: var(--amber);
            box-shadow: 0 0 0 3px rgba(245,166,35,0.25);
        }
        .btn-outline-custom {
            background: transparent;
            border-color: #4A4F5A;
            color: var(--textlight);
        }
        .btn-outline-custom:hover,
        .btn-outline-custom:focus {
            border-color: var(--amber);
            color: var(--amber);
            background: rgba(245,166,35,0.06);
            box-shadow: none;
        }
        .btn:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--amber);
            outline-offset: 2px;
        }
        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background: rgba(14,15,18,0.9);
            border-bottom: 1px solid transparent;
            transition: background .25s ease, border-color .25s ease;
        }
        .site-header.scrolled {
            background: rgba(14,15,18,0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom-color: var(--borderline);
        }
        .navbar {
            min-height: 68px;
            padding: 0;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--textlight);
            font-size: 1.15rem;
            font-weight: 700;
            letter-spacing: .01em;
        }
        .navbar-brand:hover {
            color: var(--textlight);
        }
        .brand-icon {
            width: 36px;
            height: 36px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(245,166,35,0.12);
            border-radius: 10px;
            color: var(--amber);
        }
        .brand-name {
            color: var(--textlight);
        }
        .brand-sub {
            color: var(--amber);
            font-size: .85em;
            margin-left: 2px;
        }
        .navbar-nav {
            gap: 4px;
        }
        .nav-link {
            color: var(--textmid);
            font-size: 15px;
            font-weight: 400;
            padding: 10px 14px !important;
            border-radius: 8px;
            position: relative;
        }
        .nav-link:hover,
        .nav-link:focus {
            color: var(--textlight);
        }
        .nav-link.active {
            color: var(--textlight);
        }
        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 2px;
            height: 2px;
            background: var(--amber);
            border-radius: 2px;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bghover);
            border: 1px solid var(--borderline);
            border-radius: var(--radius-btn);
            padding: 8px 12px;
            width: 220px;
        }
        .search-box input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--textlight);
            font-size: 14px;
            width: 100%;
        }
        .search-box input::placeholder {
            color: var(--textdim);
        }
        .search-box .search-icon {
            color: var(--textdim);
            font-size: 14px;
        }
        .search-box .kbd {
            background: var(--bgcarbon);
            border: 1px solid var(--borderline);
            border-radius: 6px;
            font-size: 11px;
            color: var(--textdim);
            padding: 2px 7px;
            white-space: nowrap;
        }
        .btn-cta {
            padding: 9px 18px;
            font-size: 14px;
        }
        .navbar-toggler {
            border: none;
            padding: 8px;
            display: flex;
            flex-direction: column;
            gap: 4px;
            box-shadow: none !important;
        }
        .toggler-bar {
            width: 22px;
            height: 2px;
            background: var(--textmid);
            border-radius: 2px;
            transition: all .2s;
        }
        .navbar-toggler[aria-expanded="true"] .toggler-bar:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }
        .navbar-toggler[aria-expanded="true"] .toggler-bar:nth-child(2) {
            opacity: 0;
        }
        .navbar-toggler[aria-expanded="true"] .toggler-bar:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }
        /* Hero */
        .cat-hero {
            position: relative;
            min-height: 48vh;
            display: flex;
            align-items: center;
            padding: 140px 0 80px;
            margin-top: -68px;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
        }
        .cat-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(14,15,18,.96) 0%, rgba(14,15,18,.78) 50%, rgba(14,15,18,.35) 100%);
        }
        .cat-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(14,15,18,0) 60%, rgba(14,15,18,.9) 100%);
        }
        .cat-hero .container {
            position: relative;
            z-index: 2;
        }
        .cat-hero .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(245,166,35,0.1);
            border: 1px solid rgba(245,166,35,0.2);
            color: var(--amber);
            font-size: 13px;
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 16px;
        }
        .cat-hero h1 {
            font-size: clamp(2.4rem, 5vw, 4rem);
            font-weight: 700;
            margin: 18px 0 14px;
            line-height: 1.2;
        }
        .cat-hero .hero-desc {
            color: var(--textmid);
            font-size: 17px;
            max-width: 620px;
            margin-bottom: 28px;
        }
        .cat-hero .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .cat-hero .hero-stats {
            display: flex;
            gap: 36px;
            margin-top: 42px;
            flex-wrap: wrap;
        }
        .cat-hero .hero-stats strong {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--textlight);
            display: block;
            line-height: 1.2;
        }
        .cat-hero .hero-stats span {
            color: var(--textdim);
            font-size: 14px;
        }
        /* Sections */
        .section-common {
            padding: 80px 0;
            position: relative;
        }
        .section-title-bar {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .section-title-bar::before {
            content: "";
            width: 4px;
            height: 22px;
            background: var(--amber);
            border-radius: 4px;
        }
        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.3;
        }
        .section-sub {
            color: var(--textmid);
            font-size: 15px;
            margin-bottom: 32px;
            max-width: 720px;
        }
        /* Cards */
        .card {
            background: var(--bgcarbon);
            border: none;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-base);
            transition: transform .25s ease, box-shadow .25s ease;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover), 0 0 0 1px rgba(245,166,35,0.15);
        }
        /* Intro / asymmetric */
        .cat-intro {
            background: var(--bgtone);
        }
        .intro-copy p {
            color: var(--textmid);
            font-size: 15px;
            margin-bottom: 18px;
        }
        .intro-copy h2 {
            font-size: clamp(1.4rem, 2.6vw, 1.9rem);
            font-weight: 700;
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .feature-list {
            list-style: none;
            padding: 0;
            margin: 20px 0 0;
        }
        .feature-list li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            margin-bottom: 14px;
            color: var(--textlight);
            font-size: 15px;
            line-height: 1.6;
        }
        .feature-list i {
            color: var(--teal);
            font-size: 15px;
            margin-top: 4px;
            flex-shrink: 0;
        }
        .feature-list strong {
            display: block;
            font-weight: 600;
        }
        .feature-list span {
            color: var(--textmid);
            font-size: 14px;
        }
        .intro-stats {
            display: flex;
            gap: 36px;
            margin-top: 30px;
            padding-top: 24px;
            border-top: 1px solid var(--borderline);
        }
        .intro-stats strong {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--textlight);
            display: block;
            line-height: 1.2;
        }
        .intro-stats span {
            color: var(--textdim);
            font-size: 13px;
        }
        .related-panel {
            background: var(--bgcarbon);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-base);
        }
        .related-panel h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 18px;
            padding-bottom: 14px;
            border-bottom: 1px solid var(--borderline);
            position: relative;
        }
        .related-panel h3::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -1px;
            width: 42px;
            height: 2px;
            background: var(--amber);
            border-radius: 2px;
        }
        .related-card {
            display: flex;
            gap: 14px;
            background: var(--bgcarbon);
            padding: 12px;
            border-radius: 12px;
            margin-bottom: 14px;
            border: 1px solid transparent;
            transition: background .2s ease, border-color .2s ease;
        }
        .related-card:hover {
            background: var(--bghover);
            border-color: rgba(245,166,35,0.15);
        }
        .related-card img {
            width: 110px;
            height: 74px;
            object-fit: cover;
            border-radius: 8px;
            display: block;
            flex-shrink: 0;
        }
        .related-card-body {
            min-width: 0;
            flex: 1;
        }
        .related-card .badge-tag {
            display: inline-block;
            font-size: 12px;
            color: var(--teal);
            background: rgba(23,162,184,0.1);
            border-radius: 999px;
            padding: 3px 10px;
            line-height: 1.4;
        }
        .related-card h4 {
            font-size: 15px;
            font-weight: 600;
            margin: 6px 0 4px;
            color: var(--textlight);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .related-card p {
            font-size: 13px;
            color: var(--textmid);
            margin: 0 0 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .related-link {
            font-size: 13px;
            color: var(--amber);
            font-weight: 500;
        }
        .related-card .related-link:hover {
            color: #ffbe4d;
        }
        /* Topic cards 50/50 */
        .sub-topics {
            background: var(--bgtone);
        }
        .topic-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bgcarbon);
            box-shadow: var(--shadow-base);
            height: 100%;
            transition: transform .25s ease, box-shadow .25s ease;
        }
        .topic-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .topic-card .row {
            margin: 0;
        }
        .topic-card .row > div {
            padding: 0;
        }
        .topic-card .topic-media {
            width: 100%;
            height: 100%;
            min-height: 180px;
            object-fit: cover;
            display: block;
            border-radius: 0;
        }
        .topic-body {
            padding: 28px 26px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            height: 100%;
        }
        .topic-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .topic-body p {
            color: var(--textmid);
            font-size: 15px;
            margin-bottom: 16px;
        }
        .topic-link {
            color: var(--amber);
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .topic-link i {
            transition: transform .2s;
        }
        .topic-link:hover i {
            transform: translateX(3px);
        }
        /* Steps */
        .steps-section {
            background: var(--bgcarbon);
        }
        .steps-section .section-title-bar::before {
            background: var(--teal);
        }
        .step-item {
            position: relative;
            padding: 26px 22px 22px;
            background: var(--bgtone);
            border-radius: var(--radius-sm);
            border: 1px solid var(--borderline);
            height: 100%;
            transition: border-color .2s ease;
        }
        .step-item:hover {
            border-color: rgba(23,162,184,0.4);
        }
        .step-num {
            width: 34px;
            height: 34px;
            background: var(--teal);
            color: #0B0C0F;
            border-radius: 50%;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
            font-size: 15px;
        }
        .step-item h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--textlight);
        }
        .step-item p {
            color: var(--textmid);
            font-size: 14px;
            margin: 0;
        }
        /* FAQ */
        .faq-section {
            background: var(--bgcarbon);
        }
        .faq-list {
            max-width: 900px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid #242830;
        }
        .faq-item:first-child {
            border-top: 1px solid #242830;
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 20px 0;
            cursor: pointer;
            background: none;
            border: none;
            color: var(--textlight);
            font-size: 16px;
            font-weight: 600;
            width: 100%;
            text-align: left;
        }
        .faq-q {
            width: 32px;
            height: 32px;
            background: var(--amber);
            color: #13141A;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
        }
        .faq-arrow {
            margin-left: auto;
            color: var(--textdim);
            font-size: 14px;
            transition: transform .2s;
        }
        .faq-question[aria-expanded="true"] .faq-arrow {
            transform: rotate(180deg);
            color: var(--amber);
        }
        .faq-answer {
            padding: 0 20px 24px 48px;
            color: #C6CBD4;
            font-size: 15px;
            line-height: 1.7;
        }
        /* CTA */
        .cta-section {
            padding: 0 0 80px;
        }
        .cta-banner {
            position: relative;
            background: var(--bgcarbon);
            overflow: hidden;
            border-radius: 20px;
        }
        .cta-banner::before,
        .cta-banner::after {
            content: "";
            position: absolute;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            filter: blur(80px);
            pointer-events: none;
        }
        .cta-banner::before {
            top: -100px;
            right: 20px;
            background: rgba(245,166,35,0.12);
        }
        .cta-banner::after {
            left: -100px;
            bottom: -100px;
            background: rgba(23,162,184,0.08);
        }
        .cta-inner {
            padding: 64px 48px;
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .cta-compact .cta-inner {
            padding: 36px 40px;
        }
        .cta-banner h2 {
            font-size: clamp(1.4rem, 2.6vw, 1.9rem);
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.3;
        }
        .cta-banner p {
            color: #C6CBD4;
            font-size: 15px;
            margin-bottom: 0;
            max-width: 520px;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            align-items: center;
            flex-wrap: wrap;
        }
        .cta-link {
            color: var(--textmid);
            font-weight: 600;
            font-size: 15px;
        }
        .cta-link:hover {
            color: var(--amber);
        }
        /* Footer */
        .site-footer {
            background: #0B0C0F;
            border-top: 1px solid var(--borderline);
            padding-top: 64px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 4fr 2fr 2fr 4fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand p {
            color: var(--textdim);
            font-size: 14px;
            margin-top: 14px;
            max-width: 360px;
        }
        .footer-logo {
            color: var(--textlight);
            font-weight: 700;
            font-size: 1.1rem;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .footer-logo:hover {
            color: var(--textlight);
        }
        .footer-col h5 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 18px;
            color: var(--textlight);
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col li {
            margin-bottom: 10px;
        }
        .footer-col a {
            color: var(--textmid);
            font-size: 14px;
        }
        .footer-col a:hover {
            color: var(--amber);
        }
        .subscribe-form {
            display: flex;
            gap: 8px;
            margin-top: 16px;
        }
        .subscribe-form input {
            height: 44px;
            flex: 1;
            background: var(--bghover);
            border: 1px solid var(--borderline);
            border-radius: var(--radius-btn);
            padding: 0 14px;
            color: var(--textlight);
            font-size: 14px;
            outline: none;
            min-width: 0;
        }
        .subscribe-form input:focus {
            border-color: var(--amber);
            box-shadow: 0 0 0 3px rgba(245,166,35,0.2);
        }
        .subscribe-form input::placeholder {
            color: var(--textdim);
        }
        .footer-bottom {
            border-top: 1px solid var(--borderline);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }
        .footer-bottom p {
            margin: 0;
            color: var(--textdim);
            font-size: 13px;
        }
        .footer-legal a {
            color: var(--textdim);
            font-size: 13px;
            margin-left: 18px;
        }
        .footer-legal a:hover {
            color: var(--amber);
        }
        /* Responsive */
        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: rgba(14,15,18,0.98);
                padding: 16px 0;
                border-radius: 0 0 16px 16px;
                max-height: calc(100vh - 68px);
                overflow-y: auto;
            }
            .header-actions {
                flex-direction: row;
                margin-top: 12px;
                justify-content: space-between;
            }
            .search-box {
                width: 44px;
                justify-content: center;
                padding: 8px;
            }
            .search-box input,
            .search-box .kbd {
                display: none;
            }
            .navbar-nav {
                gap: 0;
            }
            .nav-link.active::after {
                display: none;
            }
            .section-common {
                padding: 48px 0;
            }
            .cta-section {
                padding-bottom: 48px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 767.98px) {
            .cat-hero {
                min-height: 60vh;
                padding: 120px 0 60px;
            }
            .cat-hero h1 {
                font-size: 2.2rem;
            }
            .cat-hero .hero-desc {
                font-size: 15px;
            }
            .cat-hero .hero-stats {
                gap: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
                padding: 32px 24px;
            }
            .cta-compact .cta-inner {
                padding: 28px 24px;
            }
        }
        @media (max-width: 575.98px) {
            .related-card img {
                width: 96px;
                height: 68px;
            }
            .topic-body {
                padding: 20px;
            }
            .intro-stats {
                gap: 20px;
                flex-wrap: wrap;
            }
        }