/* roulang page: index */
:root {
  --primary: #D6A75D;
  --primary-hover: #E4BC7B;
  --primary-active: #B78C45;
  --secondary: #1F3A36;
  --secondary-light: #2B4D48;
  --bg-body: #121514;
  --bg-content: #1A1E1D;
  --bg-dark: #0C0E0D;
  --text-primary: #F2EDE3;
  --text-secondary: #A8A29A;
  --text-muted: #6F6A63;
  --border: rgba(255,255,255,0.08);
  --border-hover: rgba(255,255,255,0.16);
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --shadow: 0 8px 30px rgba(0,0,0,0.3);
  --shadow-hover: 0 16px 40px rgba(0,0,0,0.5);
  --transition: 0.25s ease;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", sans-serif;
  background: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-hover); }
img { max-width: 100%; display: block; }
button { font-family: inherit; }
h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 700; line-height: 1.3; }

/* ===== 左侧导航 ===== */
.app-sidebar {
  position: fixed;
  left: 0; top: 0; bottom: 0;
  width: 260px;
  background: var(--bg-dark);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 1060;
  padding: 0 18px;
}
.sidebar-logo {
  height: 64px;
  display: flex;
  align-items: center;
  padding: 0 12px;
  border-bottom: 1px solid var(--border);
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-primary);
  text-decoration: none;
}
.brand:hover { color: var(--text-primary); }
.brand-mark {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: rgba(214,167,93,0.12);
  border: 1px solid rgba(214,167,93,0.4);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}
.brand-sub {
  font-size: 12px;
  color: var(--primary);
  font-weight: 600;
  letter-spacing: 0.08em;
}
.sidebar-nav { flex: 1; padding: 20px 0; }
.sidebar-nav .nav-section-label {
  font-size: 12px;
  color: var(--text-muted);
  padding: 0 12px;
  margin-bottom: 10px;
  letter-spacing: 0.08em;
}
.sidebar-nav .nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 12px;
  height: 46px;
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 500;
  border-radius: 10px;
  border-left: 3px solid transparent;
  position: relative;
  transition: var(--transition);
  margin-bottom: 4px;
  text-decoration: none;
}
.sidebar-nav .nav-link:hover {
  background: rgba(255,255,255,0.04);
  color: var(--text-primary);
}
.sidebar-nav .nav-link.active {
  background: rgba(214,167,93,0.08);
  color: var(--primary);
  border-left-color: var(--primary);
  font-weight: 600;
}
.nav-icon {
  width: 20px; height: 20px;
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  opacity: 0.8;
}
.sidebar-footer {
  padding: 16px 0;
  border-top: 1px solid var(--border);
}
.back-top-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 10px 12px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-muted);
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
}
.back-top-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* ===== 主内容布局 ===== */
.main-wrapper {
  margin-left: 260px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.main-content { flex: 1; }

/* ===== 移动端顶栏 ===== */
.mobile-header {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 56px;
  background: var(--bg-dark);
  border-bottom: 1px solid var(--border);
  z-index: 1050;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
}
.mobile-header .menu-btn,
.mobile-header .search-btn {
  width: 40px; height: 40px;
  background: transparent;
  border: none;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition);
}
.mobile-header .menu-btn:hover,
.mobile-header .search-btn:hover { background: rgba(255,255,255,0.06); }
.mobile-header .mobile-brand { display: flex; align-items: center; gap: 8px; }

/* ===== 抽屉 ===== */
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 1065;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.drawer-overlay.show { opacity: 1; pointer-events: auto; }
.drawer {
  position: fixed;
  left: 0; top: 0; bottom: 0;
  width: 280px;
  background: var(--bg-dark);
  border-right: 1px solid var(--border);
  z-index: 1070;
  transform: translateX(-100%);
  transition: transform 0.3s ease;
  padding: 20px 18px;
  overflow-y: auto;
}
.drawer.open { transform: translateX(0); }
.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 18px;
}
.drawer-close {
  width: 36px; height: 36px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 16px;
  transition: var(--transition);
}
.drawer-close:hover { border-color: var(--primary); color: var(--primary); }

/* ===== 容器 ===== */
.page-container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 40px;
}

/* ===== 区块间距 ===== */
.content-section { padding: 96px 0; }
.content-section.bg-alt { background: var(--bg-content); }
.content-section.bg-deep { background: var(--bg-dark); }

/* ===== 区块头 ===== */
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 40px;
}
.section-head-left {
  display: flex;
  align-items: center;
  gap: 14px;
}
.section-head-left::before {
  content: '';
  display: block;
  width: 4px;
  height: 26px;
  background: var(--primary);
  border-radius: 2px;
}
.section-head h2 {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--text-primary);
}
.section-head h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}
.section-sub {
  color: var(--text-muted);
  font-size: 14px;
  margin-top: 4px;
}
.section-link {
  font-size: 14px;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.section-link:hover { color: var(--primary); }

/* ===== 按钮 ===== */
.btn-gold {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--primary);
  color: #121514;
  font-weight: 700;
  font-size: 15px;
  padding: 12px 24px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  line-height: 1.4;
}
.btn-gold:hover {
  background: var(--primary-hover);
  color: #121514;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(214,167,93,0.25);
}
.btn-gold:active {
  transform: translateY(1px);
  background: var(--primary-active);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 15px;
  padding: 12px 24px;
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: 10px;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  line-height: 1.4;
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.7);
  color: #fff;
}
.btn-lg {
  padding: 16px 32px;
  font-size: 17px;
  border-radius: 12px;
}
.btn-sm-custom {
  padding: 8px 18px;
  font-size: 13px;
  border-radius: 8px;
}

/* ===== Hero ===== */
.hero-section {
  position: relative;
  min-height: 75vh;
  display: flex;
  align-items: center;
  background-image: linear-gradient(90deg, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.35) 60%, transparent 100%), url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  padding: 120px 0 80px;
  overflow: hidden;
}
.hero-content {
  max-width: 640px;
  animation: fadeInUp 0.5s ease both;
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(214,167,93,0.12);
  border: 1px solid rgba(214,167,93,0.4);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 24px;
}
.hero-title {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: var(--text-primary);
  margin-bottom: 20px;
}
.hero-title .highlight { color: var(--primary); }
.hero-sub {
  font-size: 17px;
  line-height: 1.7;
  color: #C8C2B8;
  max-width: 520px;
  margin-bottom: 36px;
  font-weight: 400;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 56px;
}
.hero-stat { display: flex; flex-direction: column; }
.hero-stat .num {
  font-size: 28px;
  font-weight: 800;
  color: var(--primary);
}
.hero-stat .label {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ===== 横滑片库 ===== */
.scroll-section { position: relative; }
.scroll-arrows {
  display: flex;
  gap: 8px;
}
.scroll-arrow {
  width: 40px; height: 40px;
  background: var(--bg-content);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}
.scroll-arrow:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(214,167,93,0.06);
}
.scroll-row {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 4px 2px 20px;
  scrollbar-width: none;
  -ms-overflow-style: none;
  cursor: grab;
}
.scroll-row::-webkit-scrollbar { display: none; }
.scroll-row.dragging {
  cursor: grabbing;
  scroll-snap-type: none;
}
.scroll-card {
  flex: 0 0 220px;
  scroll-snap-align: start;
}
.scroll-card .poster-wrap {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  aspect-ratio: 2/3;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.scroll-card .poster-wrap:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.scroll-card .poster-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.scroll-card .poster-wrap:hover img {
  transform: scale(1.05);
}
.poster-tag {
  position: absolute;
  top: 12px; left: 12px;
  background: rgba(0,0,0,0.65);
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 999px;
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,0.12);
}
.poster-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 50%);
  display: flex;
  align-items: flex-end;
  padding: 16px;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.scroll-card .poster-wrap:hover .poster-overlay { opacity: 1; }
.poster-info {
  padding: 12px 4px 0;
}
.poster-info h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.poster-info p {
  font-size: 13px;
  color: var(--text-muted);
  margin: 2px 0 0;
}

/* ===== 热播推荐 ===== */
.rank-card {
  position: relative;
  background: var(--bg-content);
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  transition: var(--transition);
  height: 100%;
}
.rank-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-hover);
}
.rank-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.rank-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.rank-card:hover .rank-thumb img { transform: scale(1.05); }
.rank-badge {
  position: absolute;
  top: 14px; left: 14px;
  width: 44px; height: 44px;
  background: rgba(0,0,0,0.7);
  border: 1px solid rgba(214,167,93,0.4);
  color: var(--primary);
  font-size: 16px;
  font-weight: 800;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(4px);
  z-index: 2;
  transition: var(--transition);
}
.rank-card:hover .rank-badge {
  background: var(--primary);
  color: #121514;
}
.rank-body {
  padding: 18px 20px 22px;
}
.rank-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.rank-body p {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0 0 14px;
}
.rank-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.tag-chip {
  background: var(--secondary);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 999px;
  transition: var(--transition);
}
.tag-chip:hover { background: var(--secondary-light); }

/* ===== 片单分区 ===== */
.playlist-block {
  padding: 36px 0;
}
.playlist-block + .playlist-block {
  border-top: 1px solid var(--border);
  margin-top: 12px;
}
.playlist-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}
.playlist-head h3 {
  font-size: 1.25rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}
.playlist-head h3::before {
  content: '';
  width: 10px; height: 20px;
  background: var(--primary);
  border-radius: 3px;
  display: inline-block;
}
.playlist-row {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding-bottom: 16px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.playlist-row::-webkit-scrollbar { display: none; }
.playlist-card {
  flex: 0 0 200px;
}
.playlist-card .pl-thumb {
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 2/3;
  position: relative;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.playlist-card .pl-thumb:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}
.playlist-card .pl-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.playlist-card .pl-info {
  padding: 10px 2px 0;
}
.playlist-card .pl-info h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.playlist-card .pl-info span {
  font-size: 12px;
  color: var(--text-muted);
}

/* ===== CTA 横幅 ===== */
.cta-section {
  position: relative;
  background-image: linear-gradient(rgba(0,0,0,0.78), rgba(0,0,0,0.82)), url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  padding: 120px 0;
  text-align: center;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.cta-section .cta-inner {
  max-width: 680px;
  margin: 0 auto;
}
.cta-section h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--text-primary);
}
.cta-section p {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.7;
}
.cta-section .btn-gold { margin: 0 8px; }

/* ===== 资讯列表 ===== */
.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-row {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--bg-content);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  transition: var(--transition);
  text-decoration: none;
}
.news-row:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow);
  transform: translateX(4px);
}
.news-thumb {
  width: 120px; height: 80px;
  flex-shrink: 0;
  border-radius: 8px;
  overflow: hidden;
  background: var(--secondary);
}
.news-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.thumb-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  font-size: 24px;
}
.news-body { flex: 1; min-width: 0; }
.news-body h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.news-body p {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  flex-shrink: 0;
}
.news-meta time {
  font-size: 13px;
  color: var(--text-muted);
}
.news-tag {
  background: var(--secondary);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 999px;
}
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 64px 20px;
  border: 2px dashed var(--border);
  border-radius: 18px;
  color: var(--text-muted);
  text-align: center;
}
.empty-state .empty-icon {
  font-size: 42px;
  margin-bottom: 16px;
  opacity: 0.6;
}
.empty-state p { font-size: 15px; margin: 0; }

/* ===== FAQ 手风琴 ===== */
.faq-wrap { max-width: 860px; }
.accordion-item {
  background: var(--bg-content);
  border: 1px solid var(--border);
  border-radius: 12px !important;
  margin-bottom: 12px;
  overflow: hidden;
}
.accordion-item:first-of-type,
.accordion-item:last-of-type {
  border-radius: 12px !important;
}
.accordion-button {
  background: var(--bg-content);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 15px;
  padding: 18px 22px;
  border-left: 3px solid transparent;
  transition: var(--transition);
}
.accordion-button:not(.collapsed) {
  background: var(--bg-content);
  color: var(--primary);
  border-left-color: var(--primary);
  box-shadow: none;
}
.accordion-button:focus {
  box-shadow: none;
  border-color: var(--primary);
}
.accordion-button::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23D6A75D' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
  transition: transform 0.25s ease;
}
.accordion-button:not(.collapsed)::after {
  transform: rotate(180deg);
}
.accordion-button:hover {
  background: rgba(255,255,255,0.02);
}
.accordion-body {
  background: rgba(0,0,0,0.15);
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
  font-weight: 400;
  padding: 8px 22px 24px;
  border-top: 1px solid transparent;
}
.accordion-item:has(.accordion-button:not(.collapsed)) .accordion-body {
  border-top-color: var(--border);
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-dark);
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand .brand { margin-bottom: 16px; }
.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 360px;
  margin: 0;
}
.footer-links h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 18px;
}
.footer-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  font-size: 14px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
}
.footer-links a:hover { color: var(--primary); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0;
}
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--primary); }

/* ===== 响应式 ===== */
@media (max-width: 991.98px) {
  .app-sidebar { display: none; }
  .main-wrapper { margin-left: 0; }
  .mobile-header { display: flex; }
  .main-content { padding-top: 72px; }
  .page-container { padding: 0 20px; }
  .content-section { padding: 64px 0; }
  .hero-section { min-height: 60vh; padding: 80px 0 56px; }
  .hero-stats { margin-top: 36px; gap: 24px; }
  .hero-title { font-size: clamp(1.7rem, 6vw, 2.6rem); }
  .hero-sub { font-size: 15px; }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .section-head { flex-wrap: wrap; gap: 12px; }
  .section-head h2 { font-size: 1.5rem; }
}
@media (max-width: 575.98px) {
  .page-container { padding: 0 16px; }
  .content-section { padding: 56px 0; }
  .hero-section { min-height: 55vh; padding: 64px 0 48px; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn-gold,
  .hero-actions .btn-ghost { width: 100%; }
  .scroll-card { flex-basis: 200px; }
  .playlist-card { flex-basis: 160px; }
  .news-row { flex-direction: column; align-items: flex-start; }
  .news-thumb { width: 100%; height: 140px; }
  .news-meta { flex-direction: row; align-items: center; width: 100%; justify-content: space-between; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-wrap: wrap; }
  .section-head { flex-direction: column; align-items: flex-start; }
}

/* roulang page: category1 */
:root {
      --primary: #D6A75D;
      --primary-hover: #E4BC7B;
      --primary-active: #B78C45;
      --secondary: #1F3A36;
      --bg-dark: #121514;
      --bg-content: #1A1E1D;
      --bg-deep: #0C0E0D;
      --text-light: #F2EDE3;
      --text-muted: #A8A29A;
      --text-dim: #6F6A63;
      --border: rgba(255, 255, 255, 0.08);
      --border-hover: rgba(255, 255, 255, 0.16);
      --radius-lg: 18px;
      --radius-md: 12px;
      --radius-sm: 8px;
      --shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
      --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.5);
      --transition: 0.25s ease;
      --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-main);
      background: var(--bg-dark);
      color: var(--text-light);
      line-height: 1.7;
      overflow-x: hidden;
    }

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

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

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

    ul,
    ol {
      list-style: none;
    }

    .page-container {
      max-width: 1400px;
      margin: 0 auto;
      padding: 0 40px;
    }

    /* ===== 左侧导航 ===== */
    .app-shell {
      display: flex;
      min-height: 100vh;
    }

    .sidebar {
      width: 260px;
      min-height: 100vh;
      background: var(--bg-deep);
      border-right: 1px solid var(--border);
      position: fixed;
      left: 0;
      top: 0;
      bottom: 0;
      z-index: 1050;
      display: flex;
      flex-direction: column;
      transition: transform 0.3s ease;
    }

    .sidebar-header {
      height: 64px;
      display: flex;
      align-items: center;
      padding: 0 20px;
      border-bottom: 1px solid var(--border);
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
      color: var(--text-light);
    }

    .brand-mark {
      width: 36px;
      height: 36px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(214, 167, 93, 0.12);
      border-radius: 8px;
      flex-shrink: 0;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.25;
    }

    .brand-name {
      font-size: 17px;
      font-weight: 700;
      letter-spacing: 0.02em;
      color: var(--text-light);
    }

    .brand-sub {
      font-size: 12px;
      color: var(--primary);
      letter-spacing: 0.08em;
    }

    .sidebar-nav-wrap {
      flex: 1;
      overflow-y: auto;
      padding: 24px 0;
    }

    .nav-section-label {
      font-size: 11px;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--text-dim);
      padding: 0 24px 12px;
    }

    .nav-link {
      display: flex;
      align-items: center;
      gap: 14px;
      height: 48px;
      padding: 0 24px;
      font-size: 15px;
      color: var(--text-muted);
      position: relative;
      border-left: 3px solid transparent;
      transition: all var(--transition);
    }

    .nav-link:hover {
      color: var(--text-light);
      background: rgba(255, 255, 255, 0.03);
    }

    .nav-link.active {
      color: var(--primary);
      font-weight: 600;
      border-left-color: var(--primary);
      background: linear-gradient(90deg, rgba(214, 167, 93, 0.08), transparent);
    }

    .nav-icon {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 20px;
      flex-shrink: 0;
    }

    .sidebar-footer {
      padding: 20px 24px;
      border-top: 1px solid var(--border);
    }

    .back-top-btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--text-dim);
      font-size: 13px;
      background: none;
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 8px 14px;
      cursor: pointer;
      transition: all var(--transition);
    }

    .back-top-btn:hover {
      color: var(--primary);
      border-color: var(--primary);
    }

    /* ===== 主内容 ===== */
    .main-content {
      flex: 1;
      margin-left: 260px;
      min-width: 0;
    }

    /* ===== 移动端顶部栏 ===== */
    .mobile-topbar {
      display: none;
      height: 56px;
      align-items: center;
      padding: 0 16px;
      background: var(--bg-deep);
      border-bottom: 1px solid var(--border);
      position: sticky;
      top: 0;
      z-index: 1040;
    }

    .mobile-menu-btn {
      background: none;
      border: none;
      color: var(--text-light);
      font-size: 20px;
      cursor: pointer;
      padding: 8px;
    }

    .mobile-logo {
      flex: 1;
      display: flex;
      justify-content: center;
    }

    .mobile-search-btn {
      background: none;
      border: none;
      color: var(--text-light);
      font-size: 16px;
      cursor: pointer;
      padding: 8px;
    }

    .sidebar-overlay {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(0, 0, 0, 0.6);
      z-index: 1045;
      opacity: 0;
      transition: opacity 0.3s ease;
    }

    .sidebar-overlay.show {
      opacity: 1;
    }

    /* ===== Hero 区 ===== */
    .category-hero {
      position: relative;
      padding: 100px 0 80px;
      background: linear-gradient(90deg, rgba(0, 0, 0, 0.88) 0%, rgba(0, 0, 0, 0.45) 60%, transparent 100%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      border-bottom: 1px solid var(--border);
    }

    .category-hero-inner {
      max-width: 720px;
    }

    .category-hero .hero-tag {
      display: inline-block;
      background: rgba(214, 167, 93, 0.15);
      color: var(--primary);
      font-size: 13px;
      font-weight: 600;
      padding: 6px 16px;
      border-radius: 999px;
      margin-bottom: 20px;
      border: 1px solid rgba(214, 167, 93, 0.25);
    }

    .category-hero h1 {
      font-size: clamp(2rem, 5vw, 3.4rem);
      font-weight: 700;
      line-height: 1.15;
      letter-spacing: 0.01em;
      margin-bottom: 20px;
      color: var(--text-light);
    }

    .category-hero h1 .highlight {
      color: var(--primary);
    }

    .category-hero .hero-desc {
      font-size: 16px;
      color: var(--text-muted);
      max-width: 540px;
      margin-bottom: 32px;
      line-height: 1.8;
    }

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

    .btn-gold {
      background: var(--primary);
      color: #121514;
      font-weight: 700;
      padding: 14px 28px;
      border-radius: 10px;
      border: 1px solid var(--primary);
      font-size: 15px;
      cursor: pointer;
      transition: all var(--transition);
    }

    .btn-gold:hover {
      background: var(--primary-hover);
      border-color: var(--primary-hover);
      color: #121514;
      transform: translateY(-1px);
    }

    .btn-gold:active {
      background: var(--primary-active);
      border-color: var(--primary-active);
      transform: translateY(1px);
    }

    .btn-outline {
      background: transparent;
      color: var(--text-light);
      border: 1px solid rgba(255, 255, 255, 0.25);
      padding: 14px 28px;
      border-radius: 10px;
      font-size: 15px;
      cursor: pointer;
      transition: all var(--transition);
    }

    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.05);
      border-color: rgba(255, 255, 255, 0.6);
    }

    .btn-outline:active {
      background: rgba(255, 255, 255, 0.1);
    }

    /* ===== 左右图文对照区 ===== */
    .split-section {
      padding: 96px 0;
      background: var(--bg-dark);
    }

    .split-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 64px;
      align-items: center;
    }

    .section-eyebrow {
      font-size: 13px;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--primary);
      margin-bottom: 12px;
      font-weight: 600;
    }

    .split-content h2 {
      font-size: 1.75rem;
      font-weight: 700;
      line-height: 1.3;
      margin-bottom: 20px;
    }

    .split-content .lead-text {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 16px;
    }

    .split-content .body-text {
      font-size: 14px;
      color: var(--text-dim);
      line-height: 1.8;
      margin-bottom: 24px;
    }

    .feature-list {
      margin-top: 24px;
    }

    .feature-list li {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 10px 0;
      font-size: 15px;
      color: var(--text-muted);
      border-bottom: 1px solid var(--border);
    }

    .feature-list li:last-child {
      border-bottom: none;
    }

    .feature-list .feat-icon {
      color: var(--primary);
      flex-shrink: 0;
    }

    .split-media {
      position: relative;
    }

    .split-media .main-img {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow);
      position: relative;
    }

    .split-media .main-img img {
      width: 100%;
      height: 420px;
      object-fit: cover;
    }

    .split-media .main-img::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(0deg, rgba(0, 0, 0, 0.5) 0%, transparent 40%);
    }

    .media-badge {
      position: absolute;
      bottom: 20px;
      left: 20px;
      background: rgba(18, 20, 19, 0.85);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(214, 167, 93, 0.3);
      border-radius: 12px;
      padding: 14px 20px;
      z-index: 2;
    }

    .media-badge .badge-num {
      font-size: 22px;
      font-weight: 700;
      color: var(--primary);
    }

    .media-badge .badge-label {
      font-size: 12px;
      color: var(--text-muted);
    }

    .float-card {
      position: absolute;
      top: 30px;
      right: -20px;
      background: var(--bg-content);
      border-radius: var(--radius-md);
      padding: 16px 18px;
      box-shadow: var(--shadow);
      border: 1px solid var(--border);
      z-index: 2;
      max-width: 200px;
    }

    .float-card .fc-title {
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 6px;
    }

    .float-card .fc-desc {
      font-size: 12px;
      color: var(--text-dim);
      line-height: 1.5;
    }

    /* ===== 板块标题 ===== */
    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      margin-bottom: 40px;
      gap: 20px;
    }

    .section-head h2 {
      font-size: 1.75rem;
      font-weight: 700;
      line-height: 1.3;
    }

    .section-head .section-more {
      color: var(--text-muted);
      font-size: 14px;
    }

    .section-head .section-more:hover {
      color: var(--primary);
    }

    /* ===== 热门影片网格 ===== */
    .movies-grid-section {
      padding: 96px 0;
      background: var(--bg-content);
    }

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

    .movie-card {
      position: relative;
      background: var(--bg-dark);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border);
      overflow: hidden;
      transition: all var(--transition);
    }

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

    .movie-card .rank-badge {
      position: absolute;
      top: 12px;
      left: 12px;
      z-index: 2;
      background: rgba(0, 0, 0, 0.7);
      color: var(--text-light);
      font-size: 13px;
      font-weight: 700;
      width: 32px;
      height: 32px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      transition: all var(--transition);
    }

    .movie-card:hover .rank-badge {
      background: var(--primary);
      color: #121514;
    }

    .movie-card .card-img {
      height: 240px;
      overflow: hidden;
      position: relative;
    }

    .movie-card .card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

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

    .movie-card .card-img::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(0deg, var(--bg-dark) 0%, transparent 50%);
    }

    .movie-card .card-title {
      position: absolute;
      left: 16px;
      right: 16px;
      bottom: 48px;
      font-size: 15px;
      font-weight: 600;
      color: var(--text-light);
      z-index: 2;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .movie-card .card-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 12px 16px 16px;
    }

    .movie-card .card-tag {
      font-size: 12px;
      color: var(--primary);
      background: rgba(214, 167, 93, 0.12);
      padding: 4px 10px;
      border-radius: 999px;
    }

    .movie-card .card-score {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-light);
    }

    .movie-card .card-score span {
      color: var(--primary);
    }

    /* ===== 片单分区 ===== */
    .playlist-section {
      padding: 96px 0;
      background: var(--bg-dark);
    }

    .playlist-sub {
      margin-bottom: 56px;
    }

    .playlist-sub-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 24px;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--border);
    }

    .playlist-sub-header h3 {
      font-size: 1.25rem;
      font-weight: 600;
    }

    .playlist-sub-header .sub-count {
      font-size: 13px;
      color: var(--text-dim);
    }

    .playlist-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .playlist-item {
      background: var(--bg-content);
      border-radius: var(--radius-md);
      border: 1px solid var(--border);
      overflow: hidden;
      transition: all var(--transition);
    }

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

    .playlist-item .pl-img {
      height: 160px;
      overflow: hidden;
      position: relative;
    }

    .playlist-item .pl-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

    .playlist-item:hover .pl-img img {
      transform: scale(1.06);
    }

    .playlist-item .pl-body {
      padding: 14px 16px;
    }

    .playlist-item .pl-title {
      font-size: 14px;
      font-weight: 600;
      margin-bottom: 6px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .playlist-item .pl-desc {
      font-size: 13px;
      color: var(--text-dim);
      line-height: 1.5;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      margin-bottom: 10px;
    }

    .playlist-item .pl-meta {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .playlist-item .pl-tag {
      font-size: 12px;
      color: var(--text-muted);
      background: rgba(31, 58, 54, 0.7);
      padding: 2px 8px;
      border-radius: 999px;
    }

    .playlist-item .pl-year {
      font-size: 12px;
      color: var(--text-dim);
    }

    .playlist-sub:nth-child(odd) .playlist-item {
      background: var(--bg-dark);
    }

    /* ===== CTA 横幅 ===== */
    .cta-banner {
      position: relative;
      padding: 96px 0;
      background: linear-gradient(rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0.75)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      text-align: center;
    }

    .cta-banner h2 {
      font-size: clamp(1.6rem, 3vw, 2.4rem);
      font-weight: 700;
      margin-bottom: 16px;
    }

    .cta-banner p {
      font-size: 16px;
      color: var(--text-muted);
      max-width: 560px;
      margin: 0 auto 32px;
    }

    .cta-banner .btn-gold {
      font-size: 16px;
      padding: 16px 36px;
    }

    /* ===== FAQ ===== */
    .faq-section {
      padding: 96px 0;
      background: var(--bg-content);
    }

    .faq-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: start;
    }

    .faq-intro h2 {
      font-size: 1.75rem;
      font-weight: 700;
      margin-bottom: 16px;
    }

    .faq-intro p {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 24px;
    }

    .faq-contact-list {
      margin-top: 24px;
    }

    .faq-contact-list li {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 10px 0;
      font-size: 14px;
      color: var(--text-muted);
      border-bottom: 1px solid var(--border);
    }

    .faq-contact-list li:last-child {
      border-bottom: none;
    }

    .faq-contact-list .fc-icon {
      color: var(--primary);
    }

    .accordion-item {
      background: var(--bg-dark);
      border: 1px solid var(--border);
      border-radius: var(--radius-md) !important;
      margin-bottom: 12px;
      overflow: hidden;
    }

    .accordion-button {
      background: var(--bg-dark);
      color: var(--text-light);
      font-size: 15px;
      font-weight: 500;
      padding: 18px 20px;
      border: none;
      box-shadow: none;
      border-left: 3px solid transparent;
      border-radius: var(--radius-md) !important;
      transition: all var(--transition);
    }

    .accordion-button::after {
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23D6A75D' viewBox='0 0 16 16'%3E%3Cpath d='M8 12L2 6h12l-6 6z'/%3E%3C/svg%3E");
      background-size: 12px;
      transition: transform 0.3s ease;
    }

    .accordion-button:not(.collapsed) {
      color: var(--primary);
      background: var(--bg-dark);
      border-left-color: var(--primary);
    }

    .accordion-button:not(.collapsed)::after {
      transform: rotate(180deg);
    }

    .accordion-button:focus {
      box-shadow: none;
      outline: none;
    }

    .accordion-body {
      background: var(--bg-dark);
      color: var(--text-muted);
      font-size: 14px;
      line-height: 1.7;
      padding: 0 20px 18px;
    }

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

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

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

    .footer-brand p {
      font-size: 14px;
      color: var(--text-dim);
      line-height: 1.7;
      max-width: 340px;
      margin-top: 12px;
    }

    .footer-links h4 {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-light);
      margin-bottom: 16px;
    }

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

    .footer-links ul li a {
      font-size: 14px;
      color: var(--text-dim);
      transition: color var(--transition);
    }

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

    .footer-bottom {
      border-top: 1px solid var(--border);
      padding: 20px 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
    }

    .footer-bottom p {
      font-size: 13px;
      color: var(--text-dim);
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1199.98px) {
      .movies-grid {
        grid-template-columns: repeat(3, 1fr);
      }

      .playlist-row {
        grid-template-columns: repeat(3, 1fr);
      }
    }

    @media (max-width: 991.98px) {
      .sidebar {
        transform: translateX(-100%);
      }

      .sidebar.open {
        transform: translateX(0);
      }

      .sidebar-overlay.show {
        display: block;
      }

      .main-content {
        margin-left: 0;
      }

      .mobile-topbar {
        display: flex;
      }

      .split-layout {
        grid-template-columns: 1fr;
        gap: 40px;
      }

      .faq-layout {
        grid-template-columns: 1fr;
        gap: 40px;
      }

      .float-card {
        right: 10px;
      }
    }

    @media (max-width: 767.98px) {
      .page-container {
        padding: 0 20px;
      }

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

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

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

      .category-hero {
        padding: 72px 0 56px;
      }
    }

    @media (max-width: 575.98px) {
      .page-container {
        padding: 0 16px;
      }

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

      .playlist-row {
        grid-template-columns: 1fr;
      }

      .hero-actions {
        flex-direction: column;
        width: 100%;
      }

      .hero-actions .btn-gold,
      .hero-actions .btn-outline {
        width: 100%;
        text-align: center;
      }

      .section-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
      }

      .split-media .main-img img {
        height: 280px;
      }

      .float-card {
        display: none;
      }
    }

    /* ===== 动画 ===== */
    @keyframes fadeInUp {
      from {
        opacity: 0;
        transform: translateY(30px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .category-hero-inner {
      animation: fadeInUp 0.5s ease;
    }

/* roulang page: article */
:root {
  --color-gold: #D6A75D;
  --color-gold-hover: #E4BC7B;
  --color-gold-active: #B78C45;
  --color-teal: #1F3A36;
  --color-bg: #121514;
  --color-surface: #1A1E1D;
  --color-sidebar-bg: #0C0E0D;
  --color-footer-bg: #090B0A;
  --color-input-bg: #161A19;
  --color-text: #F2EDE3;
  --color-text-secondary: #A8A29A;
  --color-text-muted: #6F6A63;
  --color-border: rgba(255,255,255,0.08);
  --color-border-hover: rgba(255,255,255,0.16);
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --radius-btn: 10px;
  --shadow-card: 0 8px 30px rgba(0,0,0,0.3);
  --shadow-card-hover: 0 16px 40px rgba(0,0,0,0.5);
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
  --transition: 0.25s ease;
  --sidebar-width: 260px;
  --header-mobile-height: 56px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  font-size: 16px;
}

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

a {
  color: var(--color-gold);
  text-decoration: none;
  transition: color 0.25s ease;
}

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

button {
  font-family: inherit;
}

/* ========== App Shell 布局 ========== */
.app-shell {
  min-height: 100vh;
}

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--color-sidebar-bg);
  border-right: 1px solid var(--color-border);
  z-index: 1050;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease;
}

.main-wrap {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.mobile-header {
  display: none;
}

.sidebar-overlay {
  display: none;
}

/* ========== 品牌 Logo ========== */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--color-text);
  flex-shrink: 0;
  transition: opacity 0.25s ease;
}

.brand:hover {
  color: var(--color-gold);
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(214, 167, 93, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.brand-text {
  line-height: 1.15;
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.brand-sub {
  font-size: 11px;
  color: var(--color-gold);
  letter-spacing: 0.12em;
  white-space: nowrap;
}

/* ========== 侧栏头部 ========== */
.sidebar-header {
  height: 64px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

/* ========== 侧栏导航 ========== */
.sidebar-nav {
  flex: 1;
  padding: 24px 12px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.12) transparent;
}

.sidebar-nav::-webkit-scrollbar {
  width: 4px;
}

.sidebar-nav::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.12);
  border-radius: 4px;
}

.nav-section-label {
  font-size: 12px;
  color: var(--color-text-muted);
  padding: 0 12px;
  margin-bottom: 10px;
  letter-spacing: 0.14em;
  user-select: none;
}

.sidebar-nav .nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 48px;
  padding: 0 12px;
  color: var(--color-text-secondary);
  font-size: 15px;
  font-weight: 400;
  border-radius: 10px;
  border-left: 3px solid transparent;
  transition: all 0.25s ease;
  text-decoration: none;
  margin-bottom: 4px;
}

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

.sidebar-nav .nav-link.active {
  color: var(--color-gold);
  font-weight: 600;
  border-left-color: var(--color-gold);
  background: linear-gradient(90deg, rgba(214, 167, 93, 0.10), transparent);
}

.sidebar-nav .nav-link:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: -2px;
}

.nav-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.04);
  flex-shrink: 0;
  transition: background 0.25s ease;
}

.sidebar-nav .nav-link:hover .nav-icon {
  background: rgba(214, 167, 93, 0.12);
}

.sidebar-nav .nav-link.active .nav-icon {
  background: rgba(214, 167, 93, 0.14);
}

/* ========== 侧栏底部 ========== */
.sidebar-bottom {
  padding: 16px;
  border-top: 1px solid var(--color-border);
  flex-shrink: 0;
}

.back-to-top {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  color: var(--color-text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.25s ease;
}

.back-to-top:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  background: rgba(214, 167, 93, 0.08);
}

.back-to-top:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

/* ========== 移动端顶栏与抽屉 ========== */
.mobile-header {
  height: var(--header-mobile-height);
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  background: var(--color-sidebar-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1040;
}

.hamburger {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  color: var(--color-text);
  cursor: pointer;
  transition: all 0.25s ease;
}

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

.hamburger:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

.header-spacer {
  width: 40px;
  flex-shrink: 0;
}

/* ========== 主内容区 ========== */
.main-content {
  flex: 1;
  width: 100%;
  padding-top: 48px;
}

.page-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 40px;
  padding-right: 40px;
}

/* ========== 文章页布局 ========== */
.article-page {
  padding-bottom: 80px;
}

/* 面包屑 */
.breadcrumb-custom {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 28px;
}

.breadcrumb-custom a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.25s ease;
}

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

.breadcrumb-custom .sep {
  color: var(--color-text-muted);
  user-select: none;
}

.breadcrumb-custom .crumb-item {
  color: var(--color-text-secondary);
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.breadcrumb-custom .current {
  color: var(--color-gold);
  max-width: 380px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 500;
}

/* ========== 按钮 ========== */
.btn-gold {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--color-gold);
  color: #121514;
  font-size: 16px;
  font-weight: 600;
  padding: 14px 30px;
  border: none;
  border-radius: var(--radius-btn);
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 6px 20px rgba(214, 167, 93, 0.18);
  transition: all 0.25s ease;
}

.btn-gold:hover {
  background: var(--color-gold-hover);
  color: #121514;
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(214, 167, 93, 0.26);
}

.btn-gold:active {
  background: var(--color-gold-active);
  transform: translateY(0);
}

.btn-gold:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: var(--color-text);
  font-size: 15px;
  font-weight: 500;
  padding: 12px 24px;
  border: 1px solid var(--color-border-hover);
  border-radius: var(--radius-btn);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.25s ease;
}

.btn-ghost:hover {
  border-color: var(--color-text);
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text);
  transform: translateY(-2px);
}

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

.btn-ghost:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

/* ========== 文章卡片 ========== */
.article-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: 40px;
  box-shadow: var(--shadow-card);
  position: relative;
  animation: fadeInUp 0.5s ease;
}

.article-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold), transparent);
}

.article-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 32px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--color-border);
}

.article-header h1 {
  font-size: clamp(1.75rem, 3.5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.01em;
  color: var(--color-text);
  margin-bottom: 20px;
  word-break: break-word;
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px 24px;
  font-size: 14px;
  color: var(--color-text-muted);
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.meta-item svg {
  color: var(--color-gold);
  flex-shrink: 0;
}

.meta-cat {
  color: var(--color-gold);
}

/* ========== 文章正文排版 ========== */
.article-content {
  max-width: 720px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 1.8;
  color: #D8D2C8;
  word-break: break-word;
}

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

.article-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 44px 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

.article-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 32px 0 12px;
}

.article-content h4 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 24px 0 10px;
}

.article-content ul,
.article-content ol {
  margin: 0 0 24px;
  padding-left: 22px;
}

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

.article-content li::marker {
  color: var(--color-gold);
}

.article-content a {
  color: var(--color-gold);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.25s ease;
}

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

.article-content blockquote {
  margin: 28px 0;
  padding: 18px 24px;
  border-left: 3px solid var(--color-gold);
  background: rgba(214, 167, 93, 0.05);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--color-text-secondary);
  font-size: 15px;
}

.article-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: 24px 0;
  box-shadow: var(--shadow-card);
}

.article-content figure {
  margin: 28px 0;
}

.article-content figcaption {
  text-align: center;
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 10px;
}

.article-content hr {
  border: none;
  height: 1px;
  background: var(--color-border);
  margin: 36px 0;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 15px;
}

.article-content th {
  background: var(--color-teal);
  color: var(--color-text);
  padding: 12px 14px;
  text-align: left;
  font-weight: 600;
}

.article-content td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-secondary);
}

.article-content code {
  background: rgba(214, 167, 93, 0.1);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 14px;
  color: var(--color-gold);
}

.article-content pre {
  background: var(--color-input-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  overflow-x: auto;
  margin: 24px 0;
  font-size: 14px;
  line-height: 1.6;
}

.article-content pre code {
  background: none;
  padding: 0;
  font-size: inherit;
  color: inherit;
}

/* ========== 文章底部操作区 ========== */
.article-footer-actions {
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* ========== 空态 ========== */
.article-empty {
  background: var(--color-surface);
  border: 1px dashed var(--color-border-hover);
  border-radius: var(--radius-lg);
  padding: 80px 40px;
  text-align: center;
  animation: fadeInUp 0.5s ease;
}

.empty-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(214, 167, 93, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: var(--color-gold);
}

.article-empty h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
}

.article-empty p {
  color: var(--color-text-secondary);
  margin-bottom: 28px;
}

/* ========== 相关阅读 ========== */
.related-section {
  margin-top: 64px;
}

.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.section-heading h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text);
  position: relative;
  padding-left: 16px;
  line-height: 1.3;
  margin: 0;
}

.section-heading h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 4px;
  border-radius: 2px;
  background: var(--color-gold);
}

.section-heading p {
  font-size: 14px;
  color: var(--color-text-muted);
  margin: 0;
}

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

.related-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  transition: all 0.25s ease;
}

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

.related-thumb {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-input-bg);
}

.related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

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

.tag {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  background: var(--color-teal);
  color: var(--color-gold);
  font-size: 13px;
  padding: 4px 12px;
  border-radius: 999px;
  font-weight: 500;
  white-space: nowrap;
}

.related-info h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.4;
  margin: 0;
  transition: color 0.25s ease;
  word-break: break-word;
}

.related-card:hover .related-info h3 {
  color: var(--color-gold);
}

.related-info p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: 0;
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--color-border);
}

.footer-brand p {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-top: 18px;
  max-width: 360px;
}

.footer-links h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 18px;
}

.footer-links ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0;
}

.footer-links ul a {
  color: var(--color-text-secondary);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.25s ease;
}

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

.footer-bottom {
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  color: var(--color-text-muted);
  font-size: 13px;
  margin: 0;
}

/* ========== 移动端悬浮返回顶部 ========== */
.floating-top {
  position: fixed;
  right: 20px;
  bottom: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-gold);
  color: #121514;
  border: none;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(214, 167, 93, 0.3);
  z-index: 1060;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
}

.floating-top:hover {
  background: var(--color-gold-hover);
  transform: translateY(-2px);
}

.floating-top:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

/* ========== 动画 ========== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========== 响应式 ========== */
@media (max-width: 991.98px) {
  .sidebar {
    transform: translateX(-100%);
    box-shadow: none;
  }

  .sidebar.open {
    transform: translateX(0);
    box-shadow: 0 0 60px rgba(0, 0, 0, 0.6);
  }

  .main-wrap {
    margin-left: 0;
  }

  .mobile-header {
    display: flex;
  }

  .sidebar-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: 1045;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
  }

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

  .page-container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .main-content {
    padding-top: 28px;
  }

  .related-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

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

  .floating-top {
    display: flex;
  }
}

@media (min-width: 992px) and (max-width: 1199.98px) {
  .related-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 575.98px) {
  .article-card {
    padding: 24px 20px;
  }

  .article-content {
    font-size: 15px;
    line-height: 1.75;
  }

  .article-content p {
    margin-bottom: 20px;
  }

  .breadcrumb-custom .current {
    max-width: 200px;
  }

  .article-meta {
    gap: 10px 16px;
    font-size: 13px;
  }

  .related-info {
    padding: 16px;
  }

  .main-content {
    padding-top: 20px;
  }

  .article-page {
    padding-bottom: 56px;
  }

  .related-section {
    margin-top: 48px;
  }

  .site-footer {
    padding-top: 48px;
  }

  .footer-bottom {
    justify-content: center;
    text-align: center;
  }
}

/* roulang page: category2 */
:root {
  --gold: #D6A75D;
  --gold-hover: #E4BC7B;
  --gold-active: #B78C45;
  --deep: #1F3A36;
  --bg-page: #121514;
  --bg-card: #1A1E1D;
  --bg-input: #161A19;
  --bg-footer: #0C0E0D;
  --text-primary: #F2EDE3;
  --text-secondary: #A8A29A;
  --text-muted: #6F6A63;
  --border: rgba(255,255,255,0.08);
  --border-hover: rgba(255,255,255,0.16);
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --shadow: 0 8px 30px rgba(0,0,0,0.3);
  --shadow-hover: 0 16px 40px rgba(0,0,0,0.5);
  --transition: 0.25s ease;
  --sidebar-w: 260px;
  --content-pad: 40px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg-page);
  min-height: 100vh;
  overflow-x: hidden;
}
img { max-width: 100%; display: inline-block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
input, textarea { font-family: inherit; }
ul, ol { list-style: none; }

.app-shell { display: flex; min-height: 100vh; }

.app-sidebar {
  width: var(--sidebar-w);
  position: fixed;
  inset: 0 auto 0 0;
  background: var(--bg-footer);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 1040;
}
.sidebar-inner { display: flex; flex-direction: column; height: 100%; padding: 24px 16px 20px; }
.sidebar-brand { padding: 8px 12px 20px; border-bottom: 1px solid var(--border); margin-bottom: 20px; }
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(214,167,93,0.08);
  border: 1px solid rgba(214,167,93,0.35);
  border-radius: 10px;
  flex-shrink: 0;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name { font-size: 18px; font-weight: 700; color: var(--text-primary); letter-spacing: 0.02em; }
.brand-sub { font-size: 12px; color: var(--gold); letter-spacing: 0.08em; }

.sidebar-nav { flex: 1; }
.nav-section-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 0 12px 10px;
}
.nav-link {
  display: flex; align-items: center; gap: 12px;
  width: 100%;
  padding: 0 12px;
  height: 48px;
  font-size: 15px;
  color: var(--text-secondary);
  border-left: 3px solid transparent;
  border-radius: 8px;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  margin-bottom: 2px;
}
.nav-link:hover { background: rgba(255,255,255,0.04); color: var(--text-primary); }
.nav-link.active {
  background: rgba(214,167,93,0.08);
  color: var(--gold);
  border-left-color: var(--gold);
  font-weight: 600;
}
.nav-icon { display: inline-flex; width: 22px; justify-content: center; color: currentColor; }
.sidebar-footer { padding: 16px 12px 0; border-top: 1px solid var(--border); }
.sidebar-footer .back-top {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--text-muted);
  padding: 4px 0; transition: color var(--transition);
}
.sidebar-footer .back-top:hover { color: var(--gold); }

.page-shell { flex: 1; margin-left: var(--sidebar-w); min-width: 0; display: flex; flex-direction: column; }

.mobile-header {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 56px;
  background: rgba(12,14,13,0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 1050;
}
.mobile-header .icon-btn {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-primary);
  border-radius: 8px;
}
.mobile-header .icon-btn:hover { background: rgba(255,255,255,0.06); }
.mobile-header .brand-name { font-size: 17px; }
.mobile-header .brand-sub { display: none; }

.drawer-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 1060;
}
.drawer-overlay.show { display: block; }
.mobile-drawer {
  position: fixed;
  top: 0; bottom: 0; left: 0;
  width: 280px;
  background: var(--bg-footer);
  z-index: 1070;
  transform: translateX(-100%);
  transition: transform 0.3s ease;
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.mobile-drawer.open { transform: translateX(0); }
.mobile-drawer .drawer-brand { padding: 4px 8px 18px; border-bottom: 1px solid var(--border); margin-bottom: 16px; }
.mobile-drawer .sidebar-nav { margin-top: 8px; }

.main-content { flex: 1; padding: 0 var(--content-pad) 0; }

.page-hero {
  position: relative;
  border-radius: 0 0 28px 28px;
  overflow: hidden;
  padding: 72px 0 56px;
  background: linear-gradient(135deg, rgba(18,21,20,0.92) 0%, rgba(18,21,20,0.72) 45%, rgba(18,21,20,0.55) 100%), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-bottom: 1px solid var(--border);
}
.page-hero .hero-container { max-width: 900px; margin: 0 auto; padding: 0 var(--content-pad); }
.page-hero .hero-tag {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(214,167,93,0.12);
  border: 1px solid rgba(214,167,93,0.3);
  color: var(--gold);
  font-size: 13px;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.page-hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.18;
  color: var(--text-primary);
  margin-bottom: 18px;
  letter-spacing: 0.01em;
}
.page-hero h1 .hero-divider { color: var(--gold); margin: 0 6px; }
.page-hero p.hero-lead {
  max-width: 620px;
  font-size: 16px;
  color: #cfc9bf;
  line-height: 1.75;
  margin-bottom: 28px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  transition: all var(--transition);
  border: none;
  line-height: 1.2;
}
.btn-lg { padding: 16px 32px; font-size: 17px; border-radius: 12px; }
.btn-gold { background: var(--gold); color: #1A1610; }
.btn-gold:hover { background: var(--gold-hover); color: #1A1610; transform: translateY(-2px); }
.btn-gold:active { background: var(--gold-active); transform: translateY(0); }
.btn-outline {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.35);
  color: var(--text-primary);
}
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.06); color: #fff; transform: translateY(-2px); }

.section-block { padding: 72px 0; }
.section-head { margin-bottom: 44px; }
.section-head .section-eyebrow {
  display: inline-block;
  font-size: 13px;
  color: var(--gold);
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}
.section-head h2 {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.section-head p { color: var(--text-secondary); max-width: 560px; }

.stat-strip { border-bottom: 1px solid var(--border); }
.stat-strip .stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding: 32px 0; }
.stat-item { text-align: center; padding: 20px 12px; border-radius: var(--radius-md); background: var(--bg-card); }
.stat-item .stat-num { font-size: 32px; font-weight: 700; color: var(--gold); line-height: 1; }
.stat-item .stat-label { font-size: 14px; color: var(--text-secondary); margin-top: 10px; }

.timeline-section { background: var(--bg-card); border-radius: var(--radius-lg); padding: 72px 0; margin-top: 56px; }
.timeline-wrap { position: relative; max-width: 960px; margin: 0 auto; padding: 0 40px; }
.timeline-wrap::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  transform: translateX(-50%);
  background: linear-gradient(180deg, var(--gold) 0%, rgba(214,167,93,0.1) 100%);
}
.timeline-item {
  position: relative;
  width: 50%;
  padding: 0 44px 40px;
}
.timeline-item:nth-child(odd) { left: 0; text-align: right; }
.timeline-item:nth-child(even) { left: 50%; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: '';
  position: absolute;
  top: 24px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 5px rgba(214,167,93,0.18);
  z-index: 1;
}
.timeline-item:nth-child(odd)::before { right: -7px; }
.timeline-item:nth-child(even)::before { left: -7px; }
.timeline-card {
  background: var(--bg-page);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  display: inline-block;
  text-align: left;
  width: 100%;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.timeline-card:hover { border-color: rgba(214,167,93,0.35); box-shadow: var(--shadow); transform: translateY(-3px); }
.timeline-step {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--gold);
  background: rgba(214,167,93,0.1);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.timeline-card h3 { font-size: 18px; font-weight: 600; color: var(--text-primary); margin-bottom: 10px; }
.timeline-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 0; }
.timeline-icon {
  width: 42px; height: 42px;
  border-radius: 10px;
  background: rgba(31,58,54,0.7);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--gold);
  font-size: 18px;
  margin-bottom: 14px;
}

.tips-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.tip-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px 24px;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}
.tip-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.tip-card:hover { border-color: rgba(214,167,93,0.3); box-shadow: var(--shadow); transform: translateY(-4px); }
.tip-card:hover::before { opacity: 1; }
.tip-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: rgba(214,167,93,0.12);
  display: flex; align-items: center; justify-content: center;
  color: var(--gold);
  font-size: 20px;
  margin-bottom: 18px;
}
.tip-card h3 { font-size: 16px; font-weight: 600; color: var(--text-primary); margin-bottom: 8px; }
.tip-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; margin-bottom: 0; }

.scene-section { background: var(--bg-card); border-radius: var(--radius-lg); padding: 56px 40px; margin-top: 56px; }
.scene-row { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center; }
.scene-media { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }
.scene-media img { width: 100%; height: 320px; object-fit: cover; display: block; }
.scene-content h2 { font-size: 1.75rem; font-weight: 700; margin-bottom: 16px; }
.scene-content p { color: var(--text-secondary); margin-bottom: 20px; }
.scene-list { margin-top: 8px; }
.scene-list li { display: flex; align-items: flex-start; gap: 12px; padding: 10px 0; color: var(--text-secondary); font-size: 15px; border-bottom: 1px dashed var(--border); }
.scene-list li:last-child { border-bottom: none; }
.scene-list li i { color: var(--gold); margin-top: 4px; font-size: 14px; }

.faq-section { max-width: 860px; margin: 72px auto 0; }
.accordion-item {
  background: var(--bg-card);
  border: 1px solid var(--border) !important;
  border-radius: 12px !important;
  margin-bottom: 12px;
  overflow: hidden;
}
.accordion-item:last-child { margin-bottom: 0; }
.accordion-button {
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 600;
  padding: 20px 24px;
  box-shadow: none;
  border-radius: 12px;
}
.accordion-button:not(.collapsed) {
  background: var(--bg-card);
  color: var(--text-primary);
  box-shadow: none;
  border-left: 3px solid var(--gold);
}
.accordion-button::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23D6A75D' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
  transition: transform var(--transition);
}
.accordion-button:not(.collapsed)::after { transform: rotate(-180deg); }
.accordion-button:focus { box-shadow: 0 0 0 3px rgba(214,167,93,0.15); }
.accordion-body { padding: 8px 24px 22px; color: var(--text-secondary); font-size: 14px; line-height: 1.7; background: var(--bg-card); }

.cta-band {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  margin-top: 72px;
  padding: 72px 48px;
  text-align: center;
  background: linear-gradient(90deg, rgba(0,0,0,0.82) 0%, rgba(0,0,0,0.55) 100%), url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.cta-band h2 { font-size: 1.9rem; font-weight: 700; margin-bottom: 14px; }
.cta-band p { color: #cfc9bf; max-width: 560px; margin: 0 auto 30px; }

.site-footer {
  margin-top: 72px;
  background: var(--bg-footer);
  border-top: 1px solid var(--border);
  padding: 56px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 44px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--content-pad) 40px;
}
.footer-brand p { color: var(--text-secondary); font-size: 14px; margin-top: 16px; max-width: 320px; line-height: 1.7; }
.footer-links h4 { font-size: 15px; color: var(--text-primary); margin-bottom: 18px; font-weight: 600; }
.footer-links ul li { margin-bottom: 10px; }
.footer-links ul li a { color: var(--text-secondary); font-size: 14px; }
.footer-links ul li a:hover { color: var(--gold); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px var(--content-pad);
  text-align: center;
  max-width: 1200px;
  margin: 0 auto;
  color: var(--text-muted);
  font-size: 13px;
}

@media (min-width: 992px) {
  .mobile-header { display: none; }
  .mobile-drawer { display: none; }
  .drawer-overlay { display: none !important; }
}

@media (max-width: 991.98px) {
  .app-sidebar { display: none; }
  .page-shell { margin-left: 0; }
  .mobile-header { display: flex; }
  .main-content { padding: 0 16px; }
  .page-hero { padding: 56px 0 48px; border-radius: 0 0 20px 20px; }
  .page-hero .hero-container { padding: 0 24px; }
  .stat-row { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .tips-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .scene-row { grid-template-columns: 1fr; gap: 24px; }
  .scene-section { padding: 36px 24px; }
  .cta-band { padding: 48px 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; padding: 0 24px 32px; }
  .timeline-section { padding: 48px 0; }
  .timeline-wrap { padding: 0 20px; }
  .timeline-wrap::before { left: 6px; transform: none; }
  .timeline-item { width: 100%; left: 0 !important; padding: 0 0 32px 30px; text-align: left; }
  .timeline-item::before { left: 0 !important; right: auto !important; top: 24px; }
  .timeline-card { text-align: left; }
  .section-block { padding: 56px 0; }
}

@media (max-width: 575.98px) {
  .tips-grid { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: 1fr 1fr; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }
  .page-hero h1 { font-size: 1.8rem; }
}

/* roulang page: category3 */
:root {
            --gold: #D6A75D;
            --gold-hover: #E4BC7B;
            --gold-active: #B78C45;
            --deep-teal: #1F3A36;
            --bg-dark: #121514;
            --bg-content: #1A1E1D;
            --bg-deeper: #0C0E0D;
            --text-light: #F2EDE3;
            --text-muted: #A8A29A;
            --text-dim: #6F6A63;
            --border-soft: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(255, 255, 255, 0.16);
            --radius-lg: 18px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.3);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
            --transition-base: 0.25s ease;
            --sidebar-width: 260px;
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            background: var(--bg-dark);
            color: var(--text-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            min-height: 100vh;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-base);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }
        .container-custom {
            max-width: 1440px;
            margin: 0 auto;
            padding: 0 40px;
        }
        .page-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 40px;
        }

        /* ===== 左侧栏导航 ===== */
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background: var(--bg-deeper);
            border-right: 1px solid var(--border-soft);
            z-index: 1040;
            display: flex;
            flex-direction: column;
            padding: 0 16px;
        }
        .sidebar-brand {
            height: 64px;
            display: flex;
            align-items: center;
            padding: 0 12px;
            border-bottom: 1px solid var(--border-soft);
            flex-shrink: 0;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .brand-mark {
            width: 36px;
            height: 36px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(214, 167, 93, 0.12);
            border-radius: 10px;
            flex-shrink: 0;
        }
        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .brand-name {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-light);
            letter-spacing: 0.02em;
        }
        .brand-sub {
            font-size: 12px;
            color: var(--gold);
            letter-spacing: 0.08em;
        }
        .sidebar-nav {
            flex: 1;
            padding-top: 24px;
            display: flex;
            flex-direction: column;
            gap: 6px;
            overflow-y: auto;
        }
        .nav-section-label {
            font-size: 12px;
            color: var(--text-dim);
            letter-spacing: 0.12em;
            padding: 0 14px;
            margin-bottom: 8px;
            text-transform: uppercase;
        }
        .nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 0 14px;
            height: 48px;
            border-radius: 10px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 48px;
            border-left: 3px solid transparent;
            transition: all var(--transition-base);
        }
        .nav-link:hover {
            color: var(--text-light);
            background: rgba(255, 255, 255, 0.04);
        }
        .nav-link.active {
            color: var(--gold);
            font-weight: 600;
            background: rgba(214, 167, 93, 0.08);
            border-left-color: var(--gold);
        }
        .nav-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 20px;
            height: 20px;
            flex-shrink: 0;
        }
        .sidebar-extra {
            padding: 16px 14px;
            border-top: 1px solid var(--border-soft);
            flex-shrink: 0;
        }
        .sidebar-extra small {
            color: var(--text-dim);
            font-size: 12px;
        }

        /* ===== 移动端顶部栏 ===== */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 56px;
            background: var(--bg-deeper);
            border-bottom: 1px solid var(--border-soft);
            z-index: 1050;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
        }
        .mobile-menu-btn {
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 22px;
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
        }
        .mobile-menu-btn:hover {
            background: rgba(255, 255, 255, 0.05);
        }
        .mobile-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-light);
        }
        .mobile-brand .brand-mark {
            width: 30px;
            height: 30px;
        }
        .mobile-brand .brand-text {
            line-height: 1.15;
        }
        .mobile-brand .brand-name {
            font-size: 14px;
        }
        .mobile-brand .brand-sub {
            font-size: 10px;
        }
        .mobile-top-icon {
            color: var(--text-muted);
            font-size: 18px;
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
        }

        /* ===== 抽屉导航 ===== */
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 1055;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }
        .drawer-overlay.show {
            opacity: 1;
            visibility: visible;
        }
        .mobile-drawer {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: 280px;
            background: var(--bg-deeper);
            z-index: 1060;
            transform: translateX(-100%);
            transition: transform 0.3s ease;
            padding: 20px 16px;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .mobile-drawer .brand {
            margin-bottom: 24px;
            padding: 0 12px;
        }
        .mobile-drawer .sidebar-nav {
            padding-top: 0;
        }

        /* ===== 主内容区 ===== */
        .main-content {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ===== 分类页 Hero ===== */
        .category-hero {
            position: relative;
            min-height: 340px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center center;
            border-bottom: 1px solid var(--border-soft);
            overflow: hidden;
        }
        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(0, 0, 0, 0.88) 0%, rgba(0, 0, 0, 0.45) 60%, rgba(18, 21, 20, 0.4) 100%);
        }
        .category-hero::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(180deg, transparent, var(--bg-dark));
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            padding: 80px 0 96px;
            max-width: 720px;
        }
        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .hero-breadcrumb a:hover {
            color: var(--gold);
        }
        .hero-breadcrumb .sep {
            color: var(--text-dim);
        }
        .hero-breadcrumb .current {
            color: var(--gold);
        }
        .hero-eyebrow {
            display: inline-block;
            background: rgba(214, 167, 93, 0.14);
            border: 1px solid rgba(214, 167, 93, 0.3);
            color: var(--gold);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            letter-spacing: 0.06em;
            margin-bottom: 24px;
        }
        .category-hero h1 {
            font-size: clamp(2rem, 4.6vw, 3.2rem);
            font-weight: 700;
            line-height: 1.15;
            letter-spacing: 0.01em;
            color: var(--text-light);
            margin-bottom: 18px;
        }
        .category-hero h1 span {
            color: var(--gold);
        }
        .hero-desc {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-muted);
            max-width: 560px;
            margin-bottom: 0;
        }

        /* ===== 通用区块标题 ===== */
        .section-heading {
            margin-bottom: 36px;
        }
        .section-heading .section-eyebrow {
            display: inline-block;
            font-size: 13px;
            color: var(--gold);
            font-weight: 600;
            letter-spacing: 0.1em;
            margin-bottom: 10px;
            text-transform: uppercase;
        }
        .section-heading h2 {
            font-size: 1.75rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-light);
            margin: 0;
        }
        .section-heading p {
            font-size: 15px;
            color: var(--text-muted);
            margin-top: 12px;
            max-width: 620px;
        }

        /* ===== 区块间距 ===== */
        .section-block {
            padding: 96px 0;
        }
        .section-block--alt {
            background: var(--bg-content);
            border-top: 1px solid var(--border-soft);
            border-bottom: 1px solid var(--border-soft);
        }

        /* ===== 卡片墙 ===== */
        .news-wall {
            display: grid;
            grid-template-columns: 1.35fr 1fr 1fr;
            grid-auto-rows: minmax(220px, auto);
            gap: 26px;
        }
        .news-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-content);
            border: 1px solid var(--border-soft);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            min-height: 220px;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--border-hover);
        }
        .news-card--large {
            grid-row: span 2;
            min-height: 466px;
        }
        .news-card--medium {
            grid-column: span 2;
        }
        .news-card__image {
            position: relative;
            overflow: hidden;
            flex-shrink: 0;
        }
        .news-card--large .news-card__image {
            height: 280px;
        }
        .news-card--medium .news-card__image {
            height: 180px;
        }
        .news-card:not(.news-card--large):not(.news-card--medium) .news-card__image {
            height: 140px;
        }
        .news-card__image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .news-card:hover .news-card__image img {
            transform: scale(1.05);
        }
        .news-card__image::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(18, 21, 20, 0.72) 100%);
        }
        .news-card__body {
            padding: 22px 24px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
            position: relative;
        }
        .news-card__tag {
            display: inline-block;
            background: var(--deep-teal);
            color: var(--gold);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 999px;
            margin-bottom: 14px;
            align-self: flex-start;
            letter-spacing: 0.04em;
        }
        .news-card__title {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.45;
            color: var(--text-light);
            margin-bottom: 10px;
        }
        .news-card--large .news-card__title {
            font-size: 22px;
            line-height: 1.4;
        }
        .news-card__text {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-muted);
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card__link {
            margin-top: auto;
            font-size: 14px;
            font-weight: 600;
            color: var(--gold);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition-base);
        }
        .news-card__link:hover {
            gap: 10px;
            color: var(--gold-hover);
        }

        /* ===== 数据亮点 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .stat-item {
            background: var(--bg-content);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            text-align: center;
            transition: border-color var(--transition-base), transform var(--transition-base);
        }
        .stat-item:hover {
            border-color: rgba(214, 167, 93, 0.35);
            transform: translateY(-2px);
        }
        .stat-num {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--gold);
            line-height: 1.2;
            letter-spacing: 0.02em;
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 8px;
        }

        /* ===== 最新动态列表 ===== */
        .latest-wrap {
            background: var(--bg-content);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-soft);
            overflow: hidden;
        }
        .info-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 22px 26px;
            border-bottom: 1px solid var(--border-soft);
            transition: background var(--transition-base);
        }
        .info-item:last-child {
            border-bottom: none;
        }
        .info-item:hover {
            background: rgba(255, 255, 255, 0.02);
        }
        .info-thumb {
            width: 120px;
            height: 80px;
            border-radius: 8px;
            overflow: hidden;
            flex-shrink: 0;
            background: var(--deep-teal);
        }
        .info-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .info-main {
            flex: 1;
            min-width: 0;
        }
        .info-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .info-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .info-meta {
            flex-shrink: 0;
            text-align: right;
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 8px;
        }
        .info-date {
            font-size: 13px;
            color: var(--text-dim);
        }
        .info-tag {
            display: inline-block;
            background: var(--deep-teal);
            color: var(--gold);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 999px;
        }
        .empty-state {
            padding: 64px 24px;
            text-align: center;
            border: 2px dashed var(--border-soft);
            border-radius: var(--radius-lg);
            margin: 24px 0;
            color: var(--text-dim);
        }
        .empty-state i {
            font-size: 32px;
            display: block;
            margin-bottom: 12px;
        }

        /* ===== CTA 区 ===== */
        .cta-section {
            position: relative;
            background-size: cover;
            background-position: center;
            padding: 96px 0;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(0, 0, 0, 0.86) 0%, rgba(26, 30, 29, 0.9) 60%, rgba(18, 21, 20, 0.85) 100%);
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .cta-inner p {
            font-size: 16px;
            color: var(--text-muted);
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .cta-form {
            display: flex;
            max-width: 480px;
            margin: 0 auto;
            gap: 10px;
        }
        .cta-form .form-control {
            background: #161A19;
            border: 1px solid var(--border-soft);
            border-radius: 10px;
            padding: 14px 18px;
            color: var(--text-light);
            font-size: 15px;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }
        .cta-form .form-control:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(214, 167, 93, 0.15);
            background: #161A19;
            color: var(--text-light);
        }
        .cta-form .form-control::placeholder {
            color: var(--text-dim);
        }
        .btn-gold {
            background: var(--gold);
            color: #121514;
            font-weight: 700;
            border: none;
            padding: 14px 32px;
            border-radius: 10px;
            font-size: 15px;
            transition: background var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .btn-gold:hover {
            background: var(--gold-hover);
            color: #121514;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(214, 167, 93, 0.25);
        }
        .btn-gold:active {
            background: var(--gold-active);
            transform: translateY(0);
        }
        .btn-outline-light {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: var(--text-light);
            padding: 12px 28px;
            border-radius: 10px;
            font-size: 15px;
            transition: all var(--transition-base);
        }
        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.05);
            color: #fff;
        }

        /* ===== FAQ 手风琴 ===== */
        .accordion-flush .accordion-item {
            background: var(--bg-content);
            border: 1px solid var(--border-soft) !important;
            border-radius: var(--radius-md) !important;
            margin-bottom: 14px;
            overflow: hidden;
        }
        .accordion-button {
            background: transparent;
            color: var(--text-light);
            font-size: 15px;
            font-weight: 600;
            padding: 18px 22px;
            border-radius: 0 !important;
            border-left: 3px solid transparent;
            transition: all var(--transition-base);
        }
        .accordion-button:not(.collapsed) {
            background: rgba(214, 167, 93, 0.05);
            color: var(--gold);
            border-left-color: var(--gold);
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: none;
            border-color: rgba(214, 167, 93, 0.5);
        }
        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23D6A75D'%3e%3cpath fill-rule='evenodd' d='M8 4a.5.5 0 0 1 .5.5v3h3a.5.5 0 0 1 0 1h-3v3a.5.5 0 0 1-1 0v-3h-3a.5.5 0 0 1 0-1h3v-3A.5.5 0 0 1 8 4z'/%3e%3c/svg%3e");
            transition: transform 0.25s ease;
        }
        .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
        }
        .accordion-body {
            padding: 0 22px 20px;
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-muted);
            border-left: 3px solid rgba(214, 167, 93, 0.25);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-deeper);
            border-top: 1px solid var(--border-soft);
            padding: 64px 0 28px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 44px;
        }
        .footer-brand .brand {
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            max-width: 360px;
        }
        .footer-links h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 18px;
        }
        .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links ul li {
            margin-bottom: 10px;
        }
        .footer-links ul a {
            font-size: 14px;
            color: var(--text-muted);
            transition: color var(--transition-base), padding-left var(--transition-base);
        }
        .footer-links ul a:hover {
            color: var(--gold);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-soft);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom p {
            font-size: 13px;
            color: var(--text-dim);
            margin: 0;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1199.98px) {
            .news-wall {
                grid-template-columns: 1fr 1fr;
            }
            .news-card--large {
                grid-row: span 1;
                min-height: 0;
            }
            .news-card--medium {
                grid-column: span 2;
            }
        }
        @media (max-width: 991.98px) {
            .app-sidebar {
                display: none;
            }
            .mobile-topbar {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                padding-top: 56px;
            }
            .page-container {
                padding: 0 24px;
            }
            .section-block {
                padding: 64px 0;
            }
            .category-hero {
                min-height: 300px;
            }
            .hero-inner {
                padding: 60px 0 76px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 767.98px) {
            .page-container {
                padding: 0 16px;
            }
            .news-wall {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .news-card--medium {
                grid-column: span 1;
            }
            .news-card--large .news-card__image {
                height: 220px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stat-item {
                padding: 28px 20px;
            }
            .info-item {
                flex-direction: column;
                align-items: flex-start;
                padding: 18px 20px;
                gap: 14px;
            }
            .info-thumb {
                width: 100%;
                height: 140px;
            }
            .info-meta {
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
                width: 100%;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form .btn-gold {
                width: 100%;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .category-hero h1 {
                font-size: 1.85rem;
            }
            .section-heading h2 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 575.98px) {
            .mobile-brand .brand-name {
                font-size: 13px;
            }
            .mobile-brand .brand-sub {
                font-size: 9px;
            }
            .hero-eyebrow {
                font-size: 12px;
            }
            .news-card__title {
                font-size: 16px;
            }
            .news-card--large .news-card__title {
                font-size: 18px;
            }
            .news-card__body {
                padding: 18px 20px 20px;
            }
        }

        /* ===== 动效 ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(18px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .hero-inner {
            animation: fadeInUp 0.5s ease both;
        }
        .news-card {
            animation: fadeInUp 0.4s ease both;
        }
        .news-card:nth-child(2) {
            animation-delay: 0.05s;
        }
        .news-card:nth-child(3) {
            animation-delay: 0.1s;
        }
        .news-card:nth-child(4) {
            animation-delay: 0.15s;
        }
        .news-card:nth-child(5) {
            animation-delay: 0.2s;
        }
        .news-card:nth-child(6) {
            animation-delay: 0.25s;
        }
        .news-card:nth-child(7) {
            animation-delay: 0.3s;
        }

/* roulang page: category4 */
/* ===== 设计变量 ===== */
    :root {
      --primary: #D6A75D;
      --primary-hover: #E4BC7B;
      --primary-active: #B78C45;
      --secondary: #1F3A36;
      --bg-dark: #121514;
      --bg-card: #1A1E1D;
      --bg-deeper: #0C0E0D;
      --text-light: #F2EDE3;
      --text-sub: #A8A29A;
      --text-faint: #6F6A63;
      --border: rgba(255, 255, 255, 0.08);
      --border-hover: rgba(255, 255, 255, 0.16);
      --radius-lg: 18px;
      --radius-md: 12px;
      --radius-sm: 10px;
      --shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
      --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.5);
      --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", sans-serif;
      --sidebar-w: 260px;
      --content-pad: 40px;
    }

    /* ===== 基础 reset ===== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      font-family: var(--font-sans);
      background: var(--bg-dark);
      color: var(--text-light);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }
    img { max-width: 100%; display: block; }
    a { color: inherit; text-decoration: none; }
    button { font-family: inherit; cursor: pointer; border: none; background: none; }
    ul, ol { list-style: none; }
    ::-webkit-scrollbar { width: 8px; height: 8px; }
    ::-webkit-scrollbar-track { background: var(--bg-dark); }
    ::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.12); border-radius: 4px; }

    /* ===== 通用容器 ===== */
    .page-container { max-width: 1200px; margin: 0 auto; padding: 0 var(--content-pad); }

    /* ===== 按钮 ===== */
    .btn-gold {
      display: inline-flex; align-items: center; justify-content: center;
      background: var(--primary); color: #121514; font-weight: 700;
      padding: 14px 30px; border-radius: var(--radius-sm); font-size: 15px;
      transition: all 0.25s ease; border: none; line-height: 1.4;
    }
    .btn-gold:hover { background: var(--primary-hover); color: #121514; transform: translateY(-2px); box-shadow: var(--shadow-hover); }
    .btn-gold:active { transform: translateY(0); background: var(--primary-active); }
    .btn-outline {
      display: inline-flex; align-items: center; justify-content: center;
      background: transparent; border: 1px solid rgba(255, 255, 255, 0.2);
      color: var(--text-light); font-weight: 600; padding: 14px 30px;
      border-radius: var(--radius-sm); font-size: 15px; transition: all 0.25s ease; line-height: 1.4;
    }
    .btn-outline:hover { border-color: #fff; background: rgba(255, 255, 255, 0.05); }
    .btn-outline:active { transform: translateY(0); }
    .btn-lg { padding: 16px 32px; font-size: 17px; }
    .btn-sm { padding: 10px 20px; font-size: 14px; }

    /* ===== 左侧栏 ===== */
    .sidebar {
      position: fixed; top: 0; left: 0; width: var(--sidebar-w); height: 100vh;
      background: var(--bg-deeper); border-right: 1px solid var(--border);
      display: flex; flex-direction: column; z-index: 1050;
    }
    .sidebar-logo { height: 80px; display: flex; align-items: center; padding: 0 24px; border-bottom: 1px solid var(--border); flex-shrink: 0; }
    .brand { display: flex; align-items: center; gap: 10px; }
    .brand-mark {
      width: 40px; height: 40px; border-radius: 12px; flex-shrink: 0;
      background: rgba(214, 167, 93, 0.1); border: 1px solid rgba(214, 167, 93, 0.35);
      display: flex; align-items: center; justify-content: center;
    }
    .brand-text { display: flex; flex-direction: column; line-height: 1.2; }
    .brand-name { font-size: 17px; font-weight: 700; color: var(--text-light); letter-spacing: 0.02em; }
    .brand-sub { font-size: 12px; color: var(--primary); letter-spacing: 0.08em; }
    .sidebar-nav { padding: 24px 16px; flex: 1; overflow-y: auto; }
    .nav-section-label {
      font-size: 12px; color: var(--text-faint); letter-spacing: 0.1em;
      padding: 0 12px 12px; text-transform: uppercase;
    }
    .nav-link {
      display: flex; align-items: center; gap: 12px; padding: 12px 14px;
      border-radius: 10px; color: var(--text-sub); font-size: 15px;
      line-height: 1.4; transition: all 0.25s ease; position: relative; margin-bottom: 4px;
    }
    .nav-link:hover { color: var(--text-light); background: rgba(255, 255, 255, 0.04); }
    .nav-link:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
    .nav-link.active {
      color: var(--primary); background: rgba(214, 167, 93, 0.08); font-weight: 600;
    }
    .nav-link.active::before {
      content: ''; position: absolute; left: -16px; top: 8px; bottom: 8px;
      width: 3px; background: var(--primary); border-radius: 0 3px 3px 0;
    }
    .nav-icon { display: flex; opacity: 0.85; }
    .sidebar-footer { padding: 16px 24px; border-top: 1px solid var(--border); }
    .back-top-btn {
      display: flex; align-items: center; gap: 8px; width: 100%;
      padding: 10px 14px; border-radius: 10px; color: var(--text-faint);
      font-size: 13px; transition: all 0.25s ease;
    }
    .back-top-btn:hover { color: var(--primary); background: rgba(214, 167, 93, 0.08); }

    /* ===== 移动端顶部栏 ===== */
    .mobile-header { display: none; }
    .mobile-overlay {
      position: fixed; inset: 0; background: rgba(0, 0, 0, 0.6); z-index: 1040;
      opacity: 0; visibility: hidden; transition: opacity 0.3s ease;
    }
    .mobile-overlay.show { opacity: 1; visibility: visible; }

    /* ===== 主内容区 ===== */
    .main-content { margin-left: var(--sidebar-w); min-height: 100vh; display: flex; flex-direction: column; }

    /* ===== 页面 Hero ===== */
    .page-hero { position: relative; padding: 88px 0 72px; overflow: hidden; background: var(--bg-deeper); }
    .hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0.45; }
    .hero-overlay {
      position: absolute; inset: 0;
      background: linear-gradient(90deg, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.45) 60%, rgba(0, 0, 0, 0.2) 100%);
    }
    .hero-content { position: relative; z-index: 2; animation: fadeInUp 0.5s ease both; }
    @keyframes fadeInUp {
      from { opacity: 0; transform: translateY(16px); }
      to { opacity: 1; transform: translateY(0); }
    }
    .breadcrumb-tag {
      display: inline-flex; align-items: center; gap: 8px; font-size: 13px;
      color: var(--text-sub); background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--border); padding: 6px 14px; border-radius: 999px; margin-bottom: 20px;
    }
    .breadcrumb-tag span { color: var(--text-faint); }
    .page-hero h1 {
      font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 700; line-height: 1.15;
      max-width: 680px; letter-spacing: 0.01em;
    }
    .hero-sub { color: var(--text-sub); font-size: 17px; max-width: 560px; margin-top: 16px; line-height: 1.7; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }

    /* ===== 服务保障区 ===== */
    .assurance-section { padding: 56px 0 0; }
    .assurance-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .assurance-item {
      background: var(--bg-card); border: 1px solid var(--border);
      border-radius: var(--radius-md); padding: 24px; display: flex; gap: 16px;
      align-items: flex-start; transition: all 0.25s ease;
    }
    .assurance-item:hover { border-color: var(--border-hover); transform: translateY(-4px); box-shadow: var(--shadow); }
    .assurance-icon {
      width: 40px; height: 40px; border-radius: 10px; flex-shrink: 0;
      background: rgba(214, 167, 93, 0.12); color: var(--primary);
      display: flex; align-items: center; justify-content: center;
    }
    .assurance-item h3 { font-size: 16px; font-weight: 600; color: var(--text-light); }
    .assurance-item p { font-size: 14px; color: var(--text-sub); margin-top: 4px; line-height: 1.6; }

    /* ===== 上半部分：说明 + 图标列表 ===== */
    .overview-section { padding: 96px 0; }
    .overview-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
    .overview-copy h2 { font-size: 1.75rem; font-weight: 700; line-height: 1.3; margin-bottom: 16px; }
    .overview-copy p { color: var(--text-sub); margin-bottom: 16px; font-size: 15px; }
    .overview-copy img { border-radius: var(--radius-lg); margin-top: 24px; box-shadow: var(--shadow); }
    .icon-list { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    .icon-card {
      background: var(--bg-card); border: 1px solid var(--border);
      border-radius: var(--radius-md); padding: 22px; transition: all 0.25s ease;
    }
    .icon-card:hover { border-color: var(--border-hover); transform: translateY(-4px); box-shadow: var(--shadow); }
    .icon-card .icon {
      width: 42px; height: 42px; border-radius: 10px;
      background: rgba(214, 167, 93, 0.12); color: var(--primary);
      display: flex; align-items: center; justify-content: center; margin-bottom: 14px;
    }
    .icon-card h3 { font-size: 16px; font-weight: 600; color: var(--text-light); }
    .icon-card p { font-size: 13px; color: var(--text-sub); margin-top: 6px; line-height: 1.6; }

    /* ===== 下半部分：表单 + FAQ ===== */
    .faq-main-section {
      padding: 96px 0; background: var(--bg-card);
      border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
    }
    .section-header { margin-bottom: 40px; }
    .section-header h2 { font-size: 1.75rem; font-weight: 700; }
    .section-header p { color: var(--text-sub); margin-top: 8px; font-size: 15px; }
    .faq-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 48px; align-items: start; }

    .form-panel {
      background: var(--bg-deeper); border: 1px solid var(--border);
      border-radius: var(--radius-lg); padding: 32px;
    }
    .form-panel h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
    .form-panel .form-note { color: var(--text-faint); font-size: 13px; margin-bottom: 24px; }
    .form-label { color: var(--text-light); font-size: 14px; font-weight: 500; margin-bottom: 6px; }
    .form-control {
      background: var(--bg-dark); border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 8px; padding: 12px 16px; color: var(--text-light); font-size: 14px;
      transition: all 0.25s ease;
    }
    .form-control::placeholder { color: var(--text-faint); }
    .form-control:focus {
      background: var(--bg-dark); border-color: var(--primary); color: var(--text-light);
      box-shadow: 0 0 0 3px rgba(214, 167, 93, 0.15); outline: none;
    }
    textarea.form-control { resize: vertical; min-height: 110px; }
    .form-success {
      text-align: center; padding: 48px 20px; color: var(--text-sub);
    }
    .form-success svg { color: var(--primary); margin-bottom: 16px; }
    .form-success h4 { color: var(--text-light); font-size: 18px; font-weight: 600; margin-bottom: 8px; }
    .form-success p { font-size: 14px; color: var(--text-faint); }

    .faq-accordion-wrap h3.accordion-title { font-size: 18px; font-weight: 600; margin-bottom: 20px; }
    .accordion-item {
      background: var(--bg-deeper); border: 1px solid var(--border);
      border-radius: var(--radius-md) !important; margin-bottom: 12px; overflow: hidden;
    }
    .accordion-button {
      background: transparent; color: var(--text-light); font-size: 15px;
      font-weight: 600; padding: 18px 20px; box-shadow: none; transition: all 0.25s ease;
    }
    .accordion-button:hover { background: rgba(255, 255, 255, 0.03); }
    .accordion-button:focus { box-shadow: none; border-color: var(--primary); }
    .accordion-button:not(.collapsed) {
      color: var(--primary); background: rgba(214, 167, 93, 0.08); box-shadow: none;
      border-left: 3px solid var(--primary);
    }
    .accordion-button::after {
      background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23D6A75D'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
      transition: transform 0.25s ease;
    }
    .accordion-button:not(.collapsed)::after { transform: rotate(180deg); }
    .accordion-body { padding: 0 20px 20px; color: var(--text-sub); font-size: 14px; line-height: 1.7; }

    /* ===== CTA ===== */
    .cta-section { position: relative; padding: 96px 0; overflow: hidden; }
    .cta-bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
    .cta-overlay {
      position: absolute; inset: 0;
      background: linear-gradient(90deg, rgba(0, 0, 0, 0.88) 0%, rgba(0, 0, 0, 0.6) 100%);
    }
    .cta-content { position: relative; z-index: 2; text-align: center; }
    .cta-content h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); font-weight: 700; }
    .cta-content p { color: var(--text-sub); margin: 16px 0 32px; font-size: 16px; }
    .cta-content .btn-gold, .cta-content .btn-outline { margin: 0 8px 8px; }

    /* ===== 页脚 ===== */
    .site-footer { background: var(--bg-deeper); border-top: 1px solid var(--border); padding: 64px 0 24px; }
    .footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
    .footer-brand .brand { margin-bottom: 16px; }
    .footer-brand p { color: var(--text-faint); font-size: 14px; max-width: 340px; }
    .footer-links h4 { font-size: 15px; font-weight: 600; margin-bottom: 16px; color: var(--text-light); }
    .footer-links li { margin-bottom: 10px; }
    .footer-links a { color: var(--text-sub); font-size: 14px; transition: color 0.25s ease; }
    .footer-links a:hover { color: var(--primary); }
    .footer-bottom { border-top: 1px solid var(--border); padding-top: 24px; text-align: center; color: var(--text-faint); font-size: 13px; }

    /* ===== 响应式 ===== */
    @media (max-width: 991.98px) {
      .sidebar { transform: translateX(-100%); transition: transform 0.3s ease; width: 280px; }
      .sidebar.open { transform: translateX(0); box-shadow: 0 0 60px rgba(0, 0, 0, 0.5); }
      .mobile-header {
        display: flex; position: fixed; top: 0; left: 0; right: 0; height: 56px;
        background: var(--bg-deeper); border-bottom: 1px solid var(--border);
        align-items: center; justify-content: space-between; padding: 0 16px; z-index: 1060;
      }
      .menu-toggle {
        width: 36px; height: 36px; border-radius: 8px; color: var(--text-light);
        display: flex; align-items: center; justify-content: center; transition: background 0.25s ease;
      }
      .menu-toggle:hover { background: rgba(255, 255, 255, 0.05); }
      .brand-mobile { display: flex; align-items: center; gap: 8px; }
      .brand-mobile .brand-text strong { color: var(--text-light); font-size: 16px; }
      .brand-mobile .brand-text span { color: var(--primary); font-size: 11px; letter-spacing: 0.06em; }
      .back-top-mobile {
        width: 36px; height: 36px; border-radius: 8px; color: var(--text-faint);
        display: flex; align-items: center; justify-content: center; transition: all 0.25s ease;
      }
      .back-top-mobile:hover { color: var(--primary); background: rgba(255, 255, 255, 0.05); }
      .main-content { margin-left: 0 !important; padding-top: 56px; }
      .page-hero { padding: 64px 0 56px; }
    }

    @media (max-width: 767.98px) {
      :root { --content-pad: 20px; }
      .assurance-grid { grid-template-columns: 1fr; }
      .assurance-section { padding: 40px 0 0; }
      .overview-section { padding: 64px 0; }
      .overview-grid { grid-template-columns: 1fr; gap: 32px; }
      .icon-list { grid-template-columns: 1fr; }
      .faq-main-section { padding: 64px 0; }
      .faq-grid { grid-template-columns: 1fr; gap: 40px; }
      .form-panel { padding: 24px; }
      .cta-section { padding: 72px 0; }
      .footer-grid { grid-template-columns: 1fr; gap: 32px; margin-bottom: 32px; }
      .hero-actions { flex-direction: column; align-items: stretch; }
      .hero-actions .btn-gold, .hero-actions .btn-outline { width: 100%; }
      .page-hero { padding: 48px 0 48px; }
      .page-hero h1 { font-size: clamp(1.7rem, 6vw, 2.2rem); }
      .hero-sub { font-size: 15px; }
      .section-header h2 { font-size: 1.5rem; }
    }

    @media (max-width: 575.98px) {
      :root { --content-pad: 16px; }
      .overview-copy h2 { font-size: 1.4rem; }
      .icon-card { padding: 18px; }
      .assurance-item { padding: 18px; }
      .form-panel { padding: 20px; }
      .cta-content .btn-gold, .cta-content .btn-outline { width: 100%; margin-left: 0; margin-right: 0; }
      .back-top-btn { font-size: 12px; padding: 8px 12px; }
    }