/* roulang page: index */
:root {
  --primary: #4F6EF7;
  --primary-dark: #3A56D4;
  --primary-light: #EEF2FF;
  --accent: #FF8A4C;
  --accent-light: #FFF4EB;
  --bg: #F7F8FC;
  --text: #1F2A44;
  --text-sub: #5A6B8C;
  --text-light: #8A97B5;
  --border: #E7EAF3;
  --card-bg: #FFFFFF;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 8px 28px rgba(32, 45, 80, 0.08);
  --shadow-lg: 0 18px 48px rgba(32, 45, 80, 0.14);
  --sidebar-width: 260px;
  --header-height: 68px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }

/* ===== 左侧导航 ===== */
.app-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: #FFFFFF;
  border-right: 1px solid var(--border);
  z-index: 1050;
  display: flex;
  flex-direction: column;
  transition: transform .35s ease;
}
.sidebar-inner {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 28px 20px 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 8px;
}
.brand-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary) 0%, #7B8FFF 100%);
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(79, 110, 247, .35);
}
.brand-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 1px;
}
.sidebar-divider {
  height: 1px;
  background: var(--border);
  margin: 24px 8px 20px;
}
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}
.sidebar-nav .nav-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-sub);
  transition: all .25s ease;
}
.sidebar-nav .nav-link i {
  width: 20px;
  text-align: center;
  font-size: 16px;
}
.sidebar-nav .nav-link:hover {
  background: var(--primary-light);
  color: var(--primary);
}
.sidebar-nav .nav-link.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 6px 18px rgba(79, 110, 247, .28);
}
.sidebar-nav .nav-link.active i { color: #fff; }
.sidebar-footer {
  margin-top: 20px;
}
.sidebar-card {
  background: linear-gradient(135deg, var(--primary-light), #F6F0FF);
  border-radius: var(--radius);
  padding: 18px 16px;
  text-align: center;
}
.sidebar-card p {
  font-size: 13px;
  color: var(--text-sub);
  margin-bottom: 10px;
}
.btn-sm {
  display: inline-block;
  padding: 8px 20px;
  background: var(--primary);
  color: #fff;
  font-size: 13px;
  border-radius: 20px;
  font-weight: 600;
  transition: all .25s ease;
}
.btn-sm:hover { background: var(--primary-dark); box-shadow: 0 4px 14px rgba(79, 110, 247, .35); }

/* ===== 移动端顶栏 ===== */
.mobile-header {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 0 20px;
  align-items: center;
  justify-content: space-between;
  z-index: 1040;
}
.mobile-header .brand {
  padding: 0;
}
.menu-toggle {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .2s ease;
}
.menu-toggle:hover { background: var(--primary); color: #fff; }
.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, .45);
  z-index: 1045;
  opacity: 0;
  transition: opacity .3s ease;
}

/* ===== 主内容 ===== */
.main-wrapper {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.main-content {
  flex: 1;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  background-image: linear-gradient(120deg, rgba(22, 32, 58, .88) 0%, rgba(36, 48, 82, .72) 60%, rgba(58, 72, 108, .6) 100%), url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  color: #fff;
  padding: 80px 60px;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  bottom: -80px;
  right: -80px;
  width: 320px;
  height: 320px;
  background: rgba(255, 138, 76, .2);
  border-radius: 50%;
  filter: blur(40px);
}
.hero-content {
  max-width: 640px;
  position: relative;
  z-index: 2;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .22);
  padding: 8px 18px;
  border-radius: 30px;
  font-size: 13px;
  letter-spacing: 1px;
  backdrop-filter: blur(8px);
  margin-bottom: 24px;
}
.hero-tag i { color: var(--accent); }
.hero h1 {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: 1px;
  margin-bottom: 20px;
}
.hero h1 span {
  color: #FFB98A;
}
.hero p {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .88);
  margin-bottom: 30px;
  max-width: 520px;
}
.hero-btns {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.btn-primary-custom {
  background: var(--accent);
  color: #fff;
  padding: 14px 30px;
  border-radius: 30px;
  font-size: 15px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all .3s ease;
  box-shadow: 0 6px 20px rgba(255, 138, 76, .4);
}
.btn-primary-custom:hover {
  background: #FF7A33;
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(255, 138, 76, .5);
  color: #fff;
}
.btn-outline-light {
  background: transparent;
  border: 1.5px solid rgba(255, 255, 255, .6);
  color: #fff;
  padding: 13px 30px;
  border-radius: 30px;
  font-size: 15px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all .3s ease;
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, .12);
  border-color: #fff;
  color: #fff;
}
.hero-stats {
  display: flex;
  gap: 36px;
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, .18);
}
.hero-stats .stat h3 {
  font-size: 30px;
  font-weight: 800;
  color: #fff;
  margin: 0;
}
.hero-stats .stat p {
  font-size: 13px;
  color: rgba(255, 255, 255, .7);
  margin: 4px 0 0;
}

/* ===== 通用板块 ===== */
.section {
  padding: 80px 60px;
}
.section-header {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 52px;
}
.section-header .section-tag {
  display: inline-block;
  padding: 6px 18px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.section-header h2 {
  font-size: 34px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 14px;
  letter-spacing: .5px;
}
.section-header p {
  font-size: 16px;
  color: var(--text-sub);
  line-height: 1.7;
}

/* ===== 特点卡片 ===== */
.features-section {
  background: #fff;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 32px 26px;
  transition: all .3s ease;
  border: 1px solid transparent;
}
.feature-card:hover {
  background: #fff;
  border-color: var(--border);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}
.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 20px;
}
.feature-icon.blue { background: var(--primary-light); color: var(--primary); }
.feature-icon.orange { background: var(--accent-light); color: var(--accent); }
.feature-icon.green { background: #E6F9F0; color: #22B573; }
.feature-icon.purple { background: #F2EEFF; color: #7A5BF5; }
.feature-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  margin: 0;
}

/* ===== 分类入口 ===== */
.category-section {
  background: var(--bg);
}
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.category-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all .3s ease;
  display: block;
}
.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.category-img-wrap {
  position: relative;
  height: 190px;
  overflow: hidden;
}
.category-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.category-card:hover .category-img-wrap img {
  transform: scale(1.06);
}
.category-img-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, .35), transparent 60%);
}
.category-body {
  padding: 24px;
}
.category-body h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 8px;
}
.category-body p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 16px;
}
.category-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  transition: gap .25s ease;
}
.category-link:hover { gap: 10px; }

/* ===== 最新资讯 ===== */
.latest-section {
  background: #fff;
}
.container-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.post-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.post-card {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--bg);
  border-radius: var(--radius);
  padding: 20px;
  transition: all .3s ease;
  border: 1px solid transparent;
}
.post-card:hover {
  background: #fff;
  border-color: var(--border);
  box-shadow: var(--shadow);
  transform: translateX(4px);
}
.post-thumb {
  width: 180px;
  height: 120px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
}
.post-info {
  flex: 1;
  min-width: 0;
}
.post-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.post-cat {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 12px;
}
.post-date {
  font-size: 13px;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 4px;
}
.post-info h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.post-info p {
  font-size: 14px;
  color: var(--text-sub);
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.empty-tip {
  text-align: center;
  padding: 60px 20px;
  background: var(--bg);
  border-radius: var(--radius);
  color: var(--text-light);
  font-size: 16px;
}

/* ===== 数据统计 ===== */
.stats-section {
  position: relative;
  background-image: linear-gradient(120deg, rgba(22, 32, 58, .94), rgba(39, 52, 92, .86)), url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  padding: 80px 60px;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.stat-item {
  text-align: center;
  color: #fff;
  padding: 24px 16px;
}
.stat-item .num {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.2;
  background: linear-gradient(90deg, #FFB98A, #FF8A4C);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-item .label {
  font-size: 14px;
  color: rgba(255, 255, 255, .75);
  margin-top: 10px;
  letter-spacing: 1px;
}

/* ===== 服务流程 ===== */
.process-section {
  background: #fff;
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  position: relative;
}
.process-step {
  text-align: center;
  padding: 36px 20px;
  background: var(--bg);
  border-radius: var(--radius);
  position: relative;
  transition: all .3s ease;
}
.process-step:hover {
  background: var(--primary-light);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}
.step-num {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  background: var(--primary);
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(79, 110, 247, .3);
}
.process-step h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}
.process-step p {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.6;
  margin: 0;
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--bg);
}
.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
}
.accordion-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(32, 45, 80, .04);
}
.accordion-button {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  padding: 18px 24px;
  background: #fff;
  box-shadow: none;
  transition: color .2s ease;
}
.accordion-button:not(.collapsed) {
  color: var(--primary);
  background: var(--primary-light);
}
.accordion-button:focus {
  box-shadow: none;
  border: none;
}
.accordion-button::after {
  background-size: 12px;
  filter: none;
}
.accordion-body {
  padding: 18px 24px;
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.8;
  border-top: 1px solid var(--border);
}

/* ===== CTA ===== */
.cta-section {
  padding: 60px;
}
.cta-box {
  background: linear-gradient(120deg, rgba(79, 110, 247, .95), rgba(102, 80, 220, .9)), url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  border-radius: 24px;
  padding: 60px 50px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-box h2 {
  font-size: 34px;
  font-weight: 800;
  margin-bottom: 14px;
}
.cta-box p {
  font-size: 16px;
  color: rgba(255, 255, 255, .9);
  max-width: 520px;
  margin: 0 auto 30px;
}
.cta-btns {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn-cta-light {
  background: #fff;
  color: var(--primary);
  padding: 14px 34px;
  border-radius: 30px;
  font-weight: 700;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all .3s ease;
}
.btn-cta-light:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(0, 0, 0, .2); color: var(--primary); }
.btn-cta-ghost {
  background: transparent;
  border: 1.5px solid rgba(255, 255, 255, .6);
  color: #fff;
  padding: 13px 34px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all .3s ease;
}
.btn-cta-ghost:hover { background: rgba(255, 255, 255, .12); color: #fff; }

/* ===== 页脚 ===== */
.site-footer {
  background: #1A2135;
  color: rgba(255, 255, 255, .7);
  padding: 50px 60px 0;
  margin-left: var(--sidebar-width);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.footer-brand h3 {
  color: #fff;
  font-size: 20px;
  margin-bottom: 12px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  max-width: 280px;
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul a {
  font-size: 14px;
  color: rgba(255, 255, 255, .65);
  transition: color .2s ease;
}
.footer-col ul a:hover { color: #FFB98A; }
.footer-contact p {
  font-size: 14px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-contact i { color: var(--accent); }
.footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, .5);
}

/* ===== 响应式 ===== */
@media (max-width: 1199.98px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 991.98px) {
  .app-sidebar { transform: translateX(-100%); box-shadow: var(--shadow-lg); }
  .app-sidebar.open { transform: translateX(0); }
  .mobile-header { display: flex; }
  .main-wrapper { margin-left: 0; }
  .site-footer { margin-left: 0; }
  .sidebar-overlay.active { display: block; opacity: 1; }
  .hero { min-height: 500px; padding: 80px 30px; }
  .hero h1 { font-size: 40px; }
  .section { padding: 60px 30px; }
  .stats-section { padding: 60px 30px; }
  .cta-section { padding: 40px 30px; }
  .site-footer { padding: 40px 30px 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .category-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 767.98px) {
  .hero h1 { font-size: 32px; }
  .hero p { font-size: 15px; }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .hero-stats .stat h3 { font-size: 24px; }
  .features-grid { grid-template-columns: 1fr; }
  .category-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .process-grid { grid-template-columns: 1fr; }
  .section-header h2 { font-size: 28px; }
  .post-card { flex-direction: column; align-items: flex-start; }
  .post-thumb { width: 100%; height: 180px; }
  .post-info h3 { white-space: normal; -webkit-line-clamp: 2; }
  .cta-box { padding: 40px 24px; }
  .cta-box h2 { font-size: 26px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .stats-section { padding: 50px 24px; }
  .section { padding: 50px 24px; }
}
@media (max-width: 520px) {
  .hero h1 { font-size: 28px; }
  .hero-btns .btn-primary-custom, .hero-btns .btn-outline-light { width: 100%; justify-content: center; }
  .stats-grid { grid-template-columns: 1fr; }
  .mobile-header { padding: 0 16px; }
  .footer-bottom { font-size: 12px; }
  .brand-text { font-size: 18px; }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
    :root {
      --primary: #1e2a5a;
      --primary-light: #2d3f78;
      --accent: #FF9F68;
      --accent-light: #FFB98A;
      --bg: #f6f8fc;
      --surface: #ffffff;
      --text: #1f2937;
      --text-light: #6b7280;
      --border: #e5e9f0;
      --radius: 16px;
      --radius-sm: 10px;
      --shadow: 0 4px 20px rgba(30, 42, 90, 0.06);
      --shadow-hover: 0 10px 32px rgba(30, 42, 90, 0.12);
      --transition: all 0.3s ease;
      --sidebar-width: 264px;
    }

    /* ===== Reset / Base ===== */
    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      padding: 0;
      font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
      font-size: 16px;
      line-height: 1.7;
      color: var(--text);
      background: var(--bg);
    }

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

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

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

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

    .container-custom {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 32px;
    }

    /* ===== 左侧栏导航 ===== */
    .sidebar {
      position: fixed;
      top: 0;
      left: 0;
      width: var(--sidebar-width);
      height: 100vh;
      background: var(--surface);
      border-right: 1px solid var(--border);
      display: flex;
      flex-direction: column;
      padding: 28px 18px;
      z-index: 1040;
      overflow-y: auto;
      transition: transform 0.35s ease;
    }

    .sidebar-brand {
      padding: 8px 10px 22px;
    }

    .brand-link {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .brand-icon {
      width: 44px;
      height: 44px;
      border-radius: 13px;
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 19px;
      flex-shrink: 0;
      box-shadow: 0 6px 18px rgba(30, 42, 90, 0.2);
    }

    .brand-text {
      font-size: 20px;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: 1px;
    }

    .sidebar-divider {
      height: 1px;
      background: var(--border);
      margin: 6px 10px 18px;
    }

    .sidebar-nav {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .sidebar-nav .nav-link {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 13px 16px;
      border-radius: var(--radius-sm);
      color: var(--text-light);
      font-weight: 500;
      font-size: 15px;
      background: transparent;
      border: none;
      transition: var(--transition);
      position: relative;
    }

    .sidebar-nav .nav-link i {
      width: 22px;
      text-align: center;
      font-size: 17px;
      transition: var(--transition);
    }

    .sidebar-nav .nav-link:hover {
      background: rgba(30, 42, 90, 0.06);
      color: var(--primary);
      transform: translateX(3px);
    }

    .sidebar-nav .nav-link.active {
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
      color: #fff;
      box-shadow: 0 8px 22px rgba(30, 42, 90, 0.22);
    }

    .sidebar-nav .nav-link.active::before {
      content: '';
      position: absolute;
      left: -18px;
      top: 20%;
      width: 4px;
      height: 60%;
      border-radius: 0 4px 4px 0;
      background: var(--accent);
    }

    .sidebar-contact {
      margin-top: auto;
      padding: 22px 10px 10px;
      border-top: 1px solid var(--border);
    }

    .sidebar-contact p {
      font-size: 13px;
      color: var(--text-light);
      margin-bottom: 12px;
      text-align: center;
    }

    .sidebar-contact .btn-custom {
      width: 100%;
    }

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

    .mobile-header {
      display: none;
      position: sticky;
      top: 0;
      background: var(--surface);
      border-bottom: 1px solid var(--border);
      padding: 12px 20px;
      align-items: center;
      justify-content: space-between;
      z-index: 1030;
    }

    .mobile-header .navbar-toggler {
      background: none;
      border: 2px solid var(--border);
      border-radius: 10px;
      padding: 6px 10px;
      font-size: 20px;
      color: var(--primary);
      transition: var(--transition);
    }

    .mobile-header .navbar-toggler:hover {
      border-color: var(--primary);
      background: rgba(30, 42, 90, 0.05);
    }

    .mobile-header .mobile-logo {
      font-size: 18px;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: 1px;
    }

    .sidebar-backdrop {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(15, 23, 42, 0.45);
      z-index: 1035;
      opacity: 0;
      transition: opacity 0.3s ease;
    }

    body.nav-open .sidebar-backdrop {
      display: block;
      opacity: 1;
    }

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

    body.nav-open {
      overflow: hidden;
    }

    /* ===== Banner / Hero ===== */
    .page-banner {
      position: relative;
      padding: 96px 0;
      background: linear-gradient(135deg, #101b3c, rgba(30, 42, 90, 0.86)), var(--primary) center/cover;
      background-image: url('/assets/images/backpic/back-1.png');
      background-size: cover;
      background-position: center;
      color: #fff;
    }

    .page-banner::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(120deg, rgba(12, 20, 45, 0.88) 20%, rgba(20, 35, 70, 0.55) 60%, rgba(255, 159, 104, 0.22) 100%);
    }

    .banner-content {
      position: relative;
      z-index: 2;
      max-width: 780px;
    }

    .banner-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.15);
      backdrop-filter: blur(6px);
      border: 1px solid rgba(255, 255, 255, 0.25);
      padding: 7px 18px;
      border-radius: 100px;
      font-size: 14px;
      font-weight: 500;
      color: var(--accent-light);
      margin-bottom: 22px;
      letter-spacing: 0.5px;
    }

    .page-banner h1 {
      font-size: 48px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 18px;
      letter-spacing: 1px;
    }

    .page-banner p {
      font-size: 17px;
      color: rgba(255, 255, 255, 0.88);
      margin-bottom: 32px;
      max-width: 600px;
    }

    .banner-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 18px;
      font-size: 14px;
      color: rgba(255, 255, 255, 0.8);
    }

    .banner-meta span {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .banner-meta i {
      color: var(--accent-light);
    }

    /* ===== 通用板块 ===== */
    .section {
      padding: 84px 0;
    }

    .section-alt {
      background: var(--surface);
      border-radius: 28px;
      margin: 0 24px;
    }

    .section-head {
      margin-bottom: 48px;
    }

    .section-head .subtitle {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      font-weight: 600;
      color: var(--accent);
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 10px;
    }

    .section-head h2 {
      font-size: 34px;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 14px;
      line-height: 1.3;
    }

    .section-head p {
      color: var(--text-light);
      font-size: 16px;
      max-width: 680px;
    }

    /* ===== 分类介绍图文块 ===== */
    .intro-media {
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow);
      position: relative;
    }

    .intro-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      min-height: 360px;
    }

    .intro-content {
      padding: 10px 24px;
    }

    .intro-content h3 {
      font-size: 28px;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 18px;
      line-height: 1.4;
    }

    .intro-content p {
      color: var(--text);
      margin-bottom: 16px;
      font-size: 16px;
    }

    .intro-list {
      list-style: none;
      padding: 0;
      margin: 20px 0 0;
    }

    .intro-list li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 10px 0;
      border-bottom: 1px dashed var(--border);
      font-size: 15px;
    }

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

    .intro-list i {
      color: var(--accent);
      font-size: 18px;
      margin-top: 3px;
    }

    /* ===== 资讯卡片 ===== */
    .news-card {
      background: var(--surface);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow);
      border: 1px solid rgba(255, 255, 255, 0.6);
      transition: var(--transition);
      height: 100%;
      display: flex;
      flex-direction: column;
    }

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

    .news-card-img {
      position: relative;
      overflow: hidden;
      height: 200px;
    }

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

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

    .news-card-img::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(15, 23, 42, 0.35), transparent);
    }

    .news-tag {
      position: absolute;
      left: 14px;
      bottom: 14px;
      z-index: 2;
      background: var(--accent);
      color: #fff;
      font-size: 12px;
      font-weight: 600;
      padding: 4px 14px;
      border-radius: 100px;
      letter-spacing: 0.5px;
    }

    .news-card-body {
      padding: 24px 22px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }

    .news-date {
      font-size: 13px;
      color: var(--text-light);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .news-card-body h3 {
      font-size: 18px;
      font-weight: 700;
      line-height: 1.5;
      margin-bottom: 12px;
      flex: 1;
    }

    .news-card-body h3 a {
      color: var(--text);
    }

    .news-card-body h3 a:hover {
      color: var(--primary);
    }

    .news-card-body p {
      font-size: 14px;
      color: var(--text-light);
      margin-bottom: 20px;
      line-height: 1.65;
    }

    .news-more {
      font-size: 14px;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .news-more i {
      transition: transform 0.3s ease;
      font-size: 13px;
    }

    .news-card:hover .news-more i {
      transform: translateX(4px);
    }

    /* ===== 要闻列表 ===== */
    .news-list-section {
      background: var(--surface);
      border-radius: 28px;
      padding: 64px;
      box-shadow: var(--shadow);
    }

    .news-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .news-list-item {
      display: flex;
      align-items: center;
      gap: 20px;
      padding: 20px 0;
      border-bottom: 1px solid var(--border);
      transition: var(--transition);
    }

    .news-list-item:last-child {
      border-bottom: none;
    }

    .news-list-item:hover {
      padding-left: 8px;
    }

    .news-list-icon {
      width: 48px;
      height: 48px;
      border-radius: 14px;
      background: rgba(255, 159, 104, 0.15);
      color: var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      flex-shrink: 0;
    }

    .news-list-content {
      flex: 1;
      min-width: 0;
    }

    .news-list-content h4 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 4px;
      line-height: 1.4;
    }

    .news-list-content h4 a {
      color: var(--text);
    }

    .news-list-content h4 a:hover {
      color: var(--primary);
    }

    .news-list-content p {
      font-size: 14px;
      color: var(--text-light);
      margin-bottom: 0;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .news-list-date {
      text-align: right;
      font-size: 13px;
      color: var(--text-light);
      white-space: nowrap;
      flex-shrink: 0;
    }

    .news-list-arrow {
      color: var(--border);
      font-size: 18px;
      flex-shrink: 0;
      transition: var(--transition);
    }

    .news-list-item:hover .news-list-arrow {
      color: var(--accent);
      transform: translateX(4px);
    }

    /* ===== 数据统计 ===== */
    .stats-section {
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
      border-radius: 28px;
      padding: 56px;
      color: #fff;
      position: relative;
      overflow: hidden;
    }

    .stats-section::before {
      content: '';
      position: absolute;
      top: -60px;
      right: -60px;
      width: 180px;
      height: 180px;
      border-radius: 50%;
      background: rgba(255, 159, 104, 0.18);
    }

    .stats-section::after {
      content: '';
      position: absolute;
      bottom: -80px;
      left: 20%;
      width: 200px;
      height: 200px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.06);
    }

    .stat-item {
      text-align: center;
      padding: 20px;
      position: relative;
      z-index: 2;
    }

    .stat-num {
      font-size: 44px;
      font-weight: 800;
      line-height: 1.2;
      margin-bottom: 6px;
      background: linear-gradient(120deg, var(--accent-light), #fff);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .stat-label {
      font-size: 15px;
      color: rgba(255, 255, 255, 0.8);
      letter-spacing: 0.5px;
    }

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

    .faq-item {
      background: var(--surface);
      border-radius: var(--radius-sm);
      margin-bottom: 16px;
      border: 1px solid var(--border);
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item:hover {
      box-shadow: var(--shadow);
      border-color: rgba(30, 42, 90, 0.15);
    }

    .faq-item summary {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 22px 24px;
      cursor: pointer;
      font-size: 16px;
      font-weight: 600;
      color: var(--primary);
      position: relative;
      list-style: none;
    }

    .faq-item summary::-webkit-details-marker {
      display: none;
    }

    .faq-item summary::after {
      content: '\f078';
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      color: var(--accent);
      font-size: 14px;
      transition: transform 0.3s ease;
      flex-shrink: 0;
    }

    .faq-item[open] summary::after {
      transform: rotate(180deg);
    }

    .faq-item .faq-answer {
      padding: 0 24px 22px;
      color: var(--text-light);
      font-size: 15px;
      line-height: 1.8;
      border-top: 1px dashed var(--border);
      margin: 0;
      padding-top: 16px;
    }

    /* ===== CTA ===== */
    .cta-section {
      padding: 84px 0;
    }

    .cta-box {
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
      border-radius: 28px;
      padding: 64px 48px;
      color: #fff;
      text-align: center;
      position: relative;
      overflow: hidden;
      box-shadow: 0 20px 48px rgba(30, 42, 90, 0.24);
    }

    .cta-box::before {
      content: '';
      position: absolute;
      top: -60px;
      right: -60px;
      width: 220px;
      height: 220px;
      border-radius: 50%;
      background: rgba(255, 159, 104, 0.2);
    }

    .cta-box::after {
      content: '';
      position: absolute;
      bottom: -80px;
      left: -40px;
      width: 180px;
      height: 180px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.07);
    }

    .cta-box h2 {
      font-size: 32px;
      font-weight: 800;
      margin-bottom: 16px;
      position: relative;
      z-index: 2;
    }

    .cta-box p {
      font-size: 16px;
      color: rgba(255, 255, 255, 0.85);
      max-width: 560px;
      margin: 0 auto 32px;
      position: relative;
      z-index: 2;
    }

    .btn-custom {
      padding: 12px 30px;
      border-radius: 100px;
      font-weight: 600;
      font-size: 15px;
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border: none;
    }

    .btn-accent {
      background: var(--accent);
      color: #fff;
      box-shadow: 0 8px 24px rgba(255, 159, 104, 0.4);
    }

    .btn-accent:hover {
      background: var(--accent-light);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 12px 32px rgba(255, 159, 104, 0.5);
    }

    .btn-outline-light {
      background: transparent;
      border: 2px solid rgba(255, 255, 255, 0.6);
      color: #fff;
      border-radius: 100px;
      padding: 11px 28px;
      font-weight: 600;
      transition: var(--transition);
    }

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

    .btn-outline-accent {
      background: transparent;
      border: 2px solid var(--accent);
      color: var(--accent);
      border-radius: 100px;
      padding: 10px 26px;
      font-weight: 600;
      transition: var(--transition);
    }

    .btn-outline-accent:hover {
      background: var(--accent);
      color: #fff;
    }

    .btn:focus,
    .btn-custom:focus,
    .btn-outline-light:focus,
    .btn-outline-accent:focus {
      outline: 3px solid rgba(255, 159, 104, 0.4);
      outline-offset: 2px;
      box-shadow: none;
    }

    .btn-primary-custom {
      background: var(--primary);
      color: #fff;
      border-radius: 100px;
      padding: 12px 30px;
      font-weight: 600;
      border: none;
      transition: var(--transition);
    }

    .btn-primary-custom:hover {
      background: var(--primary-light);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 10px 28px rgba(30, 42, 90, 0.28);
    }

    /* ===== 页脚 ===== */
    .site-footer {
      background: #101a38;
      color: rgba(255, 255, 255, 0.75);
      padding: 60px 0 0;
      margin-top: auto;
    }

    .footer-grid {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 32px;
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.4fr;
      gap: 40px;
      padding-bottom: 48px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .footer-brand h3 {
      font-size: 22px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 16px;
    }

    .footer-brand p {
      font-size: 14px;
      line-height: 1.8;
      color: rgba(255, 255, 255, 0.6);
    }

    .footer-col h4,
    .footer-contact h4 {
      font-size: 16px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 18px;
    }

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

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

    .footer-col a {
      color: rgba(255, 255, 255, 0.6);
      font-size: 14px;
      transition: var(--transition);
    }

    .footer-col a:hover {
      color: var(--accent-light);
      padding-left: 4px;
    }

    .footer-contact p {
      font-size: 14px;
      margin-bottom: 10px;
      color: rgba(255, 255, 255, 0.6);
      display: flex;
      align-items: center;
      gap: 10px;
    }

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

    .footer-bottom {
      text-align: center;
      padding: 22px 16px;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.45);
    }

    .footer-bottom a {
      color: inherit;
    }

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

    /* ===== 响应式 ===== */
    @media (max-width: 1199.98px) {
      .news-card-img {
        height: 180px;
      }
    }

    @media (max-width: 991.98px) {
      .sidebar {
        transform: translateX(-100%);
        box-shadow: 0 0 40px rgba(15, 23, 42, 0.2);
      }

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

      .mobile-header {
        display: flex;
      }

      .page-banner {
        padding: 80px 0;
      }

      .page-banner h1 {
        font-size: 38px;
      }

      .section {
        padding: 64px 0;
      }

      .news-list-section {
        padding: 40px 28px;
      }

      .stats-section {
        padding: 44px 28px;
      }

      .cta-box {
        padding: 48px 28px;
      }

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

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

      .page-banner {
        padding: 64px 0;
      }

      .page-banner h1 {
        font-size: 32px;
      }

      .page-banner p {
        font-size: 15px;
      }

      .banner-meta {
        flex-direction: column;
        gap: 10px;
      }

      .section {
        padding: 52px 0;
      }

      .section-head h2 {
        font-size: 27px;
      }

      .news-list-item {
        align-items: flex-start;
        flex-wrap: wrap;
      }

      .news-list-date {
        display: none;
      }

      .news-list-content p {
        white-space: normal;
      }

      .cta-box h2 {
        font-size: 26px;
      }

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

      .intro-media img {
        min-height: 240px;
      }
    }

    @media (max-width: 575.98px) {
      .news-card-img {
        height: 200px;
      }

      .stats-section {
        padding: 32px 16px;
      }

      .stat-num {
        font-size: 34px;
      }

      .news-list-section {
        padding: 28px 18px;
        border-radius: 20px;
      }

      .cta-box {
        padding: 40px 20px;
        border-radius: 20px;
      }

      .cta-box h2 {
        font-size: 23px;
      }

      .section-alt {
        margin: 0 12px;
      }
    }

/* roulang page: article */
:root {
            --primary: #173a5e;
            --primary-deep: #0f2a44;
            --primary-soft: #e8eef5;
            --accent: #FFB98A;
            --accent-deep: #f59e6b;
            --accent-soft: #fff1e8;
            --bg-page: #f5f7fb;
            --bg-card: #ffffff;
            --text-main: #1e2a3a;
            --text-weak: #7a8699;
            --border-soft: #e7ecf3;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 9px;
            --shadow-sm: 0 4px 14px rgba(20, 45, 80, 0.06);
            --shadow-md: 0 10px 32px rgba(20, 45, 80, 0.09);
            --shadow-lg: 0 18px 45px rgba(20, 45, 80, 0.13);
            --font-main: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --sidebar-w: 264px;
            --trans-base: all 0.28s cubic-bezier(0.22, 0.61, 0.36, 1);
            --bs-body-font-family: var(--font-main);
            --bs-body-bg: var(--bg-page);
            --bs-body-color: var(--text-main);
            --bs-primary: var(--primary);
            --bs-primary-rgb: 23, 58, 94;
            --bs-border-radius: var(--radius-md);
            --bs-link-color: var(--primary);
            --bs-link-hover-color: var(--accent-deep);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-main);
            background-color: var(--bg-page);
            color: var(--text-main);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            transition: var(--trans-base);
        }
        a:hover {
            color: var(--accent-deep);
        }
        img {
            max-width: 100%;
            display: block;
        }
        ul {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        button:focus,
        a:focus,
        input:focus {
            outline: 2px solid rgba(23, 58, 94, 0.35);
            outline-offset: 2px;
        }

        /* 按钮 */
        .btn {
            border-radius: 10px;
            padding: 10px 22px;
            font-weight: 600;
            transition: var(--trans-base);
            font-size: 0.95rem;
        }
        .btn-primary {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }
        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--primary-deep);
            border-color: var(--primary-deep);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(23, 58, 94, 0.25);
            color: #fff;
        }
        .btn-outline-primary {
            border: 1.5px solid var(--primary);
            color: var(--primary);
            background: transparent;
        }
        .btn-outline-primary:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(23, 58, 94, 0.18);
        }
        .btn-cta-light {
            background: #fff;
            color: var(--primary);
            border: none;
            padding: 13px 30px;
            font-weight: 700;
            border-radius: 12px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.14);
        }
        .btn-cta-light:hover {
            background: var(--accent);
            color: var(--primary-deep);
            transform: translateY(-3px);
            box-shadow: 0 14px 32px rgba(0, 0, 0, 0.2);
        }

        /* 侧边导航 */
        .mobile-topbar {
            display: none;
            position: sticky;
            top: 0;
            z-index: 1060;
            background: #fff;
            padding: 12px 20px;
            box-shadow: 0 4px 16px rgba(15, 30, 50, 0.08);
            align-items: center;
            gap: 14px;
        }
        .menu-toggle {
            border: 1px solid var(--border-soft);
            background: #fff;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            color: var(--primary);
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .menu-toggle:hover {
            background: var(--accent-soft);
            color: var(--primary-deep);
        }
        .mobile-logo {
            font-weight: 800;
            color: var(--primary);
            font-size: 1.1rem;
            letter-spacing: 1px;
        }

        .sidebar {
            position: fixed;
            left: 0;
            top: 0;
            bottom: 0;
            width: var(--sidebar-w);
            background: linear-gradient(180deg, #142c46 0%, #0e2238 100%);
            color: #fff;
            padding: 32px 22px;
            z-index: 1050;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            box-shadow: 2px 0 20px rgba(10, 25, 45, 0.18);
            transition: transform 0.3s ease;
        }
        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 6px 10px 26px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            margin-bottom: 24px;
        }
        .brand-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(255, 185, 138, 0.16);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 1.25rem;
            flex-shrink: 0;
        }
        .brand-text small {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.72rem;
            letter-spacing: 2px;
            display: block;
            margin-top: 2px;
        }
        .brand-text h2 {
            font-size: 1.25rem;
            margin: 0;
            font-weight: 700;
            letter-spacing: 1px;
            color: #fff;
        }

        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
        }
        .nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 16px;
            border-radius: 12px;
            color: rgba(255, 255, 255, 0.72);
            font-size: 0.95rem;
            font-weight: 500;
            text-decoration: none;
            transition: var(--trans-base);
            border: 1px solid transparent;
        }
        .nav-link i {
            width: 20px;
            text-align: center;
            font-size: 1.05rem;
        }
        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateX(4px);
        }
        .nav-link.active {
            color: #fff;
            background: rgba(255, 185, 138, 0.14);
            border-color: rgba(255, 185, 138, 0.22);
            box-shadow: 0 6px 18px rgba(255, 185, 138, 0.12);
        }

        .sidebar-foot {
            margin-top: 24px;
            padding: 16px 14px;
            border-radius: 14px;
            background: rgba(255, 255, 255, 0.06);
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
        }
        .sidebar-foot i {
            color: var(--accent);
            margin-right: 6px;
        }

        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(12, 25, 45, 0.42);
            z-index: 1040;
            backdrop-filter: blur(2px);
        }
        .sidebar-overlay.show {
            display: block;
        }

        .main-wrap {
            margin-left: var(--sidebar-w);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .main-content {
            flex: 1;
            padding: 0;
        }

        .page-container {
            max-width: 1260px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }
        .section-block {
            padding: 70px 0;
        }

        /* 文章 Hero */
        .article-hero {
            position: relative;
            height: 400px;
            min-height: 340px;
            overflow: hidden;
            display: flex;
            align-items: flex-end;
            background-color: var(--primary-deep);
        }
        .article-hero img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(12, 25, 45, 0.1) 0%, rgba(12, 25, 45, 0.82) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 48px 48px 46px;
            width: 100%;
        }
        .hero-content .badge-cat {
            display: inline-block;
            background: rgba(255, 185, 138, 0.18);
            color: var(--accent);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 1px;
            padding: 5px 14px;
            border-radius: 30px;
            margin-bottom: 14px;
            border: 1px solid rgba(255, 185, 138, 0.25);
        }
        .hero-content h1 {
            font-size: clamp(1.7rem, 3.4vw, 2.7rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.35;
            max-width: 860px;
            margin: 0 0 16px;
            text-shadow: 0 4px 22px rgba(0, 0, 0, 0.24);
        }
        .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.88rem;
        }
        .meta-info span i {
            margin-right: 6px;
            color: var(--accent);
        }

        /* 文章正文卡片 */
        .article-wrap {
            position: relative;
            z-index: 5;
            margin-top: -52px;
        }
        .article-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            padding: 48px 52px;
        }
        .breadcrumb-nav {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 0.86rem;
            color: var(--text-weak);
            padding-bottom: 22px;
            margin-bottom: 28px;
            border-bottom: 1px solid var(--border-soft);
        }
        .breadcrumb-nav a {
            color: var(--primary);
            font-weight: 500;
        }
        .breadcrumb-nav a:hover {
            color: var(--accent-deep);
        }
        .breadcrumb-nav i {
            font-size: 0.7rem;
            color: #b6c2d1;
        }

        .article-body {
            font-size: 1.02rem;
            line-height: 1.95;
            color: #2c3a4f;
        }
        .article-body p {
            margin-bottom: 1.2rem;
        }
        .article-body h2,
        .article-body h3 {
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
            color: var(--primary);
            font-weight: 700;
        }
        .article-body h2 {
            font-size: 1.45rem;
        }
        .article-body h3 {
            font-size: 1.2rem;
        }
        .article-body img {
            max-width: 100%;
            border-radius: var(--radius-md);
            margin: 1.4rem auto;
            box-shadow: var(--shadow-sm);
        }
        .article-body ul,
        .article-body ol {
            padding-left: 1.4rem;
            margin-bottom: 1.2rem;
        }
        .article-body li {
            margin-bottom: 0.4rem;
        }
        .article-body blockquote {
            border-left: 4px solid var(--accent);
            background: var(--accent-soft);
            padding: 18px 22px;
            border-radius: 0 12px 12px 0;
            margin: 1.4rem 0;
            color: var(--primary);
            font-style: normal;
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 34px;
            padding-top: 26px;
            border-top: 1px solid var(--border-soft);
        }
        .article-tags .tag-item {
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 0.82rem;
            font-weight: 500;
            padding: 5px 14px;
            border-radius: 30px;
            transition: var(--trans-base);
        }
        .article-tags .tag-item:hover {
            background: var(--accent);
            color: var(--primary-deep);
        }
        .article-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 32px;
        }

        /* 空文章状态 */
        .article-empty {
            text-align: center;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 80px 40px;
            max-width: 640px;
            margin: 0 auto;
        }
        .empty-icon {
            width: 76px;
            height: 76px;
            border-radius: 50%;
            background: var(--accent-soft);
            color: var(--accent-deep);
            font-size: 1.8rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 22px;
        }
        .article-empty h2 {
            color: var(--primary);
            font-weight: 800;
            margin-bottom: 12px;
        }
        .article-empty p {
            color: var(--text-weak);
            margin-bottom: 28px;
        }

        /* 服务方案 */
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }
        .section-head h2 {
            font-size: clamp(1.5rem, 2.6vw, 2.1rem);
            font-weight: 800;
            color: var(--primary);
            margin: 0 0 8px;
        }
        .section-head p {
            color: var(--text-weak);
            max-width: 480px;
            margin: 0;
            font-size: 0.95rem;
        }
        .service-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--trans-base);
            height: 100%;
        }
        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
            border-color: rgba(255, 185, 138, 0.55);
        }
        .service-card-img {
            height: 180px;
            overflow: hidden;
        }
        .service-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .service-card:hover .service-card-img img {
            transform: scale(1.05);
        }
        .service-card-body {
            padding: 26px 26px 30px;
        }
        .service-card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .service-card-body p {
            font-size: 0.92rem;
            color: var(--text-weak);
            line-height: 1.75;
            margin: 0;
        }

        /* FAQ */
        .section-faq {
            background: linear-gradient(180deg, var(--bg-page) 0%, #eef2f7 100%);
            position: relative;
        }
        .section-faq::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url("/assets/images/backpic/back-1.png") center/cover no-repeat;
            opacity: 0.06;
            pointer-events: none;
        }
        .faq-list {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            transition: var(--trans-base);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(23, 58, 94, 0.18);
        }
        .faq-q {
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 8px;
            font-size: 1rem;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }
        .faq-q i {
            color: var(--accent-deep);
            margin-top: 2px;
            font-size: 0.9rem;
        }
        .faq-a {
            color: var(--text-weak);
            line-height: 1.8;
            font-size: 0.92rem;
            padding-left: 20px;
        }

        /* CTA */
        .cta-panel {
            position: relative;
            background: linear-gradient(120deg, #1a3a5e 0%, #2a5a82 55%, #355f7a 100%);
            border-radius: var(--radius-lg);
            padding: 56px 56px;
            color: #fff;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .cta-panel::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url("/assets/images/backpic/back-2.png") center/cover no-repeat;
            opacity: 0.14;
        }
        .cta-content {
            position: relative;
            z-index: 2;
        }
        .cta-content h2 {
            font-size: clamp(1.5rem, 2.8vw, 2.2rem);
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cta-content p {
            font-size: 1rem;
            opacity: 0.85;
            max-width: 600px;
            margin-bottom: 26px;
        }

        /* 页脚 */
        .site-footer {
            background: var(--primary-deep);
            color: rgba(255, 255, 255, 0.68);
            padding: 56px 48px 24px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 40px;
            max-width: 1260px;
            margin: 0 auto;
        }
        .footer-brand h3 {
            color: #fff;
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 0.92rem;
            line-height: 1.85;
            margin: 0;
        }
        .footer-col h4,
        .footer-contact h4 {
            color: #fff;
            font-size: 1.02rem;
            margin-bottom: 16px;
            font-weight: 600;
        }
        .footer-col li {
            margin-bottom: 10px;
        }
        .footer-col a {
            color: rgba(255, 255, 255, 0.62);
            text-decoration: none;
            transition: var(--trans-base);
            font-size: 0.9rem;
        }
        .footer-col a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-contact p {
            margin-bottom: 10px;
            font-size: 0.9rem;
        }
        .footer-contact i {
            color: var(--accent);
            margin-right: 8px;
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 40px;
            padding-top: 20px;
            text-align: center;
            font-size: 0.84rem;
            color: rgba(255, 255, 255, 0.42);
        }
        .footer-bottom a {
            color: inherit;
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* 响应式 */
        @media (max-width: 991px) {
            .sidebar {
                transform: translateX(-100%);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .main-wrap {
                margin-left: 0;
            }
            .mobile-topbar {
                display: flex;
            }
            .page-container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .section-block {
                padding: 50px 0;
            }
            .article-card {
                padding: 34px 30px;
            }
            .hero-content {
                padding: 36px 30px;
            }
            .article-hero {
                height: 340px;
            }
            .cta-panel {
                padding: 42px 32px;
            }
        }

        @media (max-width: 767px) {
            .article-hero {
                height: 300px;
            }
            .hero-content h1 {
                font-size: 1.5rem;
            }
            .article-wrap {
                margin-top: -36px;
            }
            .article-card {
                padding: 26px 20px;
                border-radius: 16px;
            }
            .article-body {
                font-size: 0.98rem;
            }
            .article-actions .btn {
                width: 100%;
            }
            .section-head {
                flex-direction: column;
                align-items: flex-start;
            }
            .faq-list {
                grid-template-columns: 1fr;
            }
            .cta-panel {
                padding: 34px 24px;
            }
            .cta-content h2 {
                font-size: 1.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .site-footer {
                padding: 42px 22px 20px;
            }
            .footer-bottom {
                margin-top: 28px;
            }
        }

        @media (max-width: 520px) {
            .meta-info {
                gap: 10px;
                flex-direction: column;
            }
            .article-tags {
                gap: 8px;
            }
            .service-card-img {
                height: 150px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1E2A5A;
            --primary-2: #2B3A7A;
            --primary-dark: #16224A;
            --accent: #FF8A5C;
            --accent-light: #FFB98A;
            --bg: #F5F6FA;
            --card-bg: #FFFFFF;
            --text: #1E2228;
            --muted: #6B7280;
            --border: #E8EAF0;
            --radius: 18px;
            --radius-sm: 12px;
            --shadow: 0 4px 24px rgba(30, 42, 90, .08);
            --shadow-lg: 0 12px 40px rgba(30, 42, 90, .12);
            --sidebar-w: 250px;
            --transition: .3s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(255, 138, 92, .6);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section {
            padding: 80px 0;
        }
        .section-head {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-head .sec-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 138, 92, .1);
            color: var(--accent);
            font-size: .82rem;
            font-weight: 600;
            letter-spacing: .06em;
            padding: 6px 16px;
            border-radius: 30px;
            margin-bottom: 14px;
        }
        .section-head h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -.02em;
            margin-bottom: 12px;
        }
        .section-head p {
            color: var(--muted);
            max-width: 640px;
            margin: 0 auto;
            font-size: 1rem;
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(255, 138, 92, .35);
        }
        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 138, 92, .45);
            color: #fff;
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1.5px solid rgba(255, 255, 255, .7);
            color: #fff;
            background: transparent;
            padding: 10px 26px;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .15);
            color: #fff;
            border-color: #fff;
        }
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--sidebar-w);
            background: linear-gradient(175deg, var(--primary-dark) 0%, var(--primary) 55%, #24347D 100%);
            color: #fff;
            display: flex;
            flex-direction: column;
            padding: 26px 20px;
            z-index: 1040;
            box-shadow: 4px 0 30px rgba(22, 34, 74, .15);
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 6px 6px 18px;
            border-bottom: 1px solid rgba(255, 255, 255, .12);
            margin-bottom: 22px;
        }
        .brand-icon {
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            border-radius: 12px;
            font-size: 1.1rem;
            color: var(--primary-dark);
        }
        .brand-text {
            font-size: 1.3rem;
            font-weight: 700;
            letter-spacing: .02em;
        }
        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }
        .sidebar-nav .nav-link {
            display: flex;
            align-items: center;
            gap: 14px;
            color: rgba(255, 255, 255, .75);
            font-size: .95rem;
            font-weight: 500;
            padding: 12px 14px;
            border-radius: 12px;
            transition: var(--transition);
            border: none;
            background: transparent;
        }
        .sidebar-nav .nav-link i {
            width: 20px;
            text-align: center;
            font-size: 1rem;
        }
        .sidebar-nav .nav-link:hover {
            background: rgba(255, 255, 255, .1);
            color: #fff;
        }
        .sidebar-nav .nav-link.active {
            background: linear-gradient(135deg, rgba(255, 138, 92, .25), rgba(255, 185, 138, .15));
            color: #fff;
            font-weight: 600;
        }
        .sidebar-nav .nav-link.active i {
            color: var(--accent-light);
        }
        .sidebar-footer {
            border-top: 1px solid rgba(255, 255, 255, .12);
            padding-top: 18px;
            font-size: .85rem;
            color: rgba(255, 255, 255, .55);
            text-align: center;
        }
        .main-content {
            margin-left: var(--sidebar-w);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .mobile-topbar {
            display: none;
            position: sticky;
            top: 0;
            z-index: 1030;
            background: var(--primary-dark);
            color: #fff;
            align-items: center;
            padding: 12px 18px;
            gap: 14px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, .12);
        }
        .mobile-topbar .btn-menu {
            background: transparent;
            border: none;
            color: #fff;
            font-size: 1.2rem;
            padding: 4px 8px;
        }
        .mobile-topbar .mobile-brand {
            font-size: 1.1rem;
            font-weight: 700;
        }
        .mobile-topbar .mobile-brand i {
            color: var(--accent-light);
            margin-right: 6px;
        }
        .mobile-offcanvas {
            background: var(--primary-dark) !important;
            color: #fff !important;
        }
        .mobile-offcanvas .offcanvas-header {
            border-bottom: 1px solid rgba(255, 255, 255, .1);
            padding-bottom: 16px;
        }
        .mobile-offcanvas .offcanvas-title {
            color: #fff;
            font-weight: 700;
        }
        .mobile-offcanvas .btn-close {
            filter: invert(1) brightness(2);
        }
        .mobile-offcanvas .offcanvas-body {
            padding: 20px 0;
        }
        .mobile-offcanvas .sidebar-nav-mobile {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .mobile-offcanvas .sidebar-nav-mobile .nav-link {
            display: flex;
            align-items: center;
            gap: 14px;
            color: rgba(255, 255, 255, .8);
            padding: 13px 16px;
            border-radius: 12px;
            font-weight: 500;
            transition: var(--transition);
        }
        .mobile-offcanvas .sidebar-nav-mobile .nav-link i {
            width: 20px;
            text-align: center;
        }
        .mobile-offcanvas .sidebar-nav-mobile .nav-link:hover,
        .mobile-offcanvas .sidebar-nav-mobile .nav-link.active {
            background: rgba(255, 138, 92, .22);
            color: #fff;
        }
        .page-hero {
            position: relative;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            padding: 100px 0 90px;
        }
        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(22, 34, 74, .94) 10%, rgba(30, 42, 90, .82) 45%, rgba(43, 58, 122, .55) 100%);
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 138, 92, .18);
            border: 1px solid rgba(255, 138, 92, .4);
            color: var(--accent-light);
            padding: 6px 18px;
            border-radius: 30px;
            font-size: .85rem;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .page-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -.02em;
        }
        .page-hero p {
            color: rgba(255, 255, 255, .85);
            font-size: 1.05rem;
            max-width: 640px;
            margin-bottom: 28px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .services-section {
            background: var(--bg);
        }
        .service-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 32px 26px;
            height: 100%;
            border: 1px solid transparent;
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .service-card::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), var(--accent-light));
            transform: scaleX(0);
            transform-origin: left;
            transition: var(--transition);
        }
        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(255, 138, 92, .2);
        }
        .service-card:hover::after {
            transform: scaleX(1);
        }
        .service-icon {
            width: 58px;
            height: 58px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(255, 138, 92, .15), rgba(255, 185, 138, .12));
            border-radius: 16px;
            font-size: 1.35rem;
            color: var(--accent);
            margin-bottom: 18px;
        }
        .service-card h3 {
            font-size: 1.18rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .service-card p {
            color: var(--muted);
            font-size: .92rem;
            line-height: 1.65;
            margin-bottom: 16px;
        }
        .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .service-tags .tag {
            background: var(--bg);
            color: var(--primary-2);
            font-size: .78rem;
            padding: 4px 12px;
            border-radius: 20px;
            font-weight: 500;
        }
        .process-section {
            background: linear-gradient(175deg, var(--primary-dark) 0%, var(--primary) 100%);
            color: #fff;
        }
        .process-section .section-head h2 {
            color: #fff;
        }
        .process-section .section-head p {
            color: rgba(255, 255, 255, .7);
        }
        .process-section .section-head .sec-tag {
            background: rgba(255, 185, 138, .15);
            color: var(--accent-light);
        }
        .process-step {
            text-align: center;
            padding: 30px 20px;
            position: relative;
        }
        .process-step .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 62px;
            height: 62px;
            border-radius: 50%;
            background: rgba(255, 138, 92, .2);
            border: 1.5px solid rgba(255, 138, 92, .5);
            color: var(--accent-light);
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 16px;
        }
        .process-step .step-icon {
            font-size: 1.3rem;
            color: var(--accent-light);
            margin-bottom: 10px;
        }
        .process-step h4 {
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .process-step p {
            color: rgba(255, 255, 255, .7);
            font-size: .9rem;
            max-width: 220px;
            margin: 0 auto;
        }
        .process-step::before {
            content: "";
            position: absolute;
            top: 60px;
            right: -15px;
            width: 30px;
            height: 2px;
            background: rgba(255, 138, 92, .4);
            display: none;
        }
        @media(min-width:992px) {
            .process-step:not(:last-child)::before {
                display: block;
            }
        }
        .stats-section {
            background: var(--bg);
        }
        .stat-block {
            text-align: center;
            padding: 30px 16px;
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            height: 100%;
            transition: var(--transition);
        }
        .stat-block:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .stat-block .stat-num {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-block .stat-num span {
            color: var(--accent);
        }
        .stat-block .stat-label {
            color: var(--muted);
            font-size: .92rem;
            margin-top: 4px;
        }
        .details-section {
            background: var(--card-bg);
        }
        .detail-block {
            display: flex;
            align-items: center;
            gap: 50px;
            margin-bottom: 60px;
        }
        .detail-block:last-child {
            margin-bottom: 0;
        }
        .detail-img {
            flex: 0 0 46%;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .detail-img img {
            width: 100%;
            display: block;
            transition: transform .6s ease;
        }
        .detail-block:hover .detail-img img {
            transform: scale(1.03);
        }
        .detail-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(22, 34, 74, .25), transparent 50%);
        }
        .detail-content {
            flex: 1;
        }
        .detail-content .detail-tag {
            display: inline-block;
            background: rgba(255, 138, 92, .12);
            color: var(--accent);
            font-size: .8rem;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 14px;
        }
        .detail-content h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .detail-content p {
            color: var(--muted);
            margin-bottom: 18px;
            line-height: 1.75;
        }
        .detail-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .detail-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 0;
            color: var(--primary-2);
            font-weight: 500;
            font-size: .95rem;
        }
        .detail-list li i {
            color: var(--accent);
        }
        .faq-section {
            background: var(--bg);
        }
        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            padding: 8px 24px;
            margin-bottom: 14px;
            border: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(30, 42, 90, .04);
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(255, 138, 92, .3);
            box-shadow: var(--shadow);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 14px 0;
            cursor: pointer;
            font-weight: 600;
            color: var(--primary);
            font-size: 1rem;
            border: none;
            background: transparent;
            width: 100%;
            text-align: left;
        }
        .faq-question i {
            color: var(--accent);
            transition: var(--transition);
            font-size: .9rem;
            flex-shrink: 0;
        }
        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 8px 18px;
            color: var(--muted);
            font-size: .93rem;
            line-height: 1.7;
        }
        .cta-section {
            background: url('/assets/images/backpic/back-3.png') center/cover fixed no-repeat;
            position: relative;
            padding: 90px 0;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(22, 34, 74, .95), rgba(30, 42, 90, .88), rgba(43, 58, 122, .75));
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, .8);
            max-width: 560px;
            margin: 0 auto 30px;
            font-size: 1.05rem;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, .7);
            padding: 60px 0 24px;
            flex-shrink: 0;
        }
        .footer-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding: 0 24px 40px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }
        .footer-brand h3 {
            color: #fff;
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: .9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, .6);
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, .65);
            font-size: .9rem;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent-light);
        }
        .footer-contact h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .footer-contact p {
            color: rgba(255, 255, 255, .65);
            font-size: .9rem;
            margin-bottom: 8px;
        }
        .footer-contact p i {
            width: 20px;
            color: var(--accent-light);
            margin-right: 4px;
        }
        .footer-bottom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px 24px 0;
            text-align: center;
            font-size: .86rem;
            color: rgba(255, 255, 255, .5);
        }
        .footer-bottom a:hover {
            color: var(--accent-light);
        }
        @media(max-width:1024px) {
            :root {
                --sidebar-w: 220px;
            }
            .page-hero {
                padding: 80px 0 70px;
            }
            .page-hero h1 {
                font-size: 2.2rem;
            }
            .detail-block {
                gap: 30px;
            }
        }
        @media(max-width:768px) {
            .app-sidebar {
                display: none;
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-topbar {
                display: flex;
            }
            .section {
                padding: 60px 0;
            }
            .section-head h2 {
                font-size: 1.6rem;
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .detail-block {
                flex-direction: column;
                gap: 24px;
            }
            .detail-img {
                flex: none;
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .stats-section .stat-block {
                margin-bottom: 16px;
            }
            .process-step {
                margin-bottom: 20px;
            }
        }
        @media(max-width:520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .page-hero {
                padding: 60px 0 56px;
            }
            .page-hero h1 {
                font-size: 1.5rem;
            }
            .page-hero p {
                font-size: .93rem;
            }
            .btn-accent,
            .btn-outline-light {
                width: 100%;
                justify-content: center;
            }
            .hero-actions {
                width: 100%;
            }
            .service-card {
                padding: 24px 20px;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .section-head h2 {
                font-size: 1.4rem;
            }
        }

/* roulang page: category3 */
:root {
  --primary: #E85C2A;
  --primary-dark: #C84A1E;
  --primary-light: #FFB98A;
  --primary-soft: #FFF1E8;
  --accent: #2F4A5E;
  --bg: #F5F2ED;
  --surface: #FFFFFF;
  --text: #2B2723;
  --text-muted: #7A7268;
  --border: #EAE4DC;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 10px rgba(43, 39, 35, 0.06);
  --shadow-md: 0 8px 30px rgba(43, 39, 35, 0.08);
  --shadow-lg: 0 16px 50px rgba(43, 39, 35, 0.12);
  --sidebar-w: 250px;
  --transition: all 0.25s ease;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.2s ease;
}

button {
  font-family: inherit;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(232, 92, 42, 0.35);
  outline-offset: 2px;
  border-radius: 6px;
}

/* ===== App Shell 侧边栏 ===== */
.app-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  z-index: 1040;
  display: flex;
  flex-direction: column;
  box-shadow: 2px 0 18px rgba(43, 39, 35, 0.04);
  transition: transform 0.3s ease;
}

.sidebar-brand {
  padding: 26px 24px 18px;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
  line-height: 1.2;
}

.sidebar-logo i {
  color: var(--primary);
  font-size: 1.3rem;
}

.sidebar-brand small {
  display: block;
  margin-top: 4px;
  color: var(--text-muted);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  font-weight: 400;
}

.sidebar-nav {
  flex: 1;
  padding: 18px 14px;
  overflow-y: auto;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: 12px;
  color: var(--text);
  font-weight: 500;
  margin-bottom: 6px;
  transition: var(--transition);
  font-size: 0.95rem;
  border: 0;
  background: transparent;
  width: 100%;
  text-align: left;
}

.nav-link i {
  width: 20px;
  text-align: center;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

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

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

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

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

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border);
}

.sidebar-tip {
  background: var(--primary-soft);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  font-size: 0.82rem;
  color: var(--primary-dark);
  line-height: 1.6;
}

.sidebar-tip i {
  margin-right: 6px;
  color: var(--primary);
}

.sidebar-tip strong {
  display: block;
  margin-bottom: 4px;
  font-size: 0.88rem;
}

.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(30, 25, 21, 0.5);
  z-index: 1039;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

/* ===== 移动端顶栏 ===== */
.mobile-topbar {
  display: none;
  position: sticky;
  top: 0;
  z-index: 1035;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 10px 18px;
  align-items: center;
  gap: 12px;
}

.menu-toggle {
  border: 0;
  background: transparent;
  font-size: 1.25rem;
  padding: 8px 10px;
  border-radius: 10px;
  color: var(--text);
  transition: var(--transition);
}

.menu-toggle:hover {
  background: var(--primary-soft);
  color: var(--primary);
}

.mobile-logo {
  font-weight: 800;
  color: var(--text);
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.mobile-logo i {
  color: var(--primary);
}

.mobile-badge {
  margin-left: auto;
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
}

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

.app-main .container {
  max-width: 1240px;
}

/* ===== 页面横幅 ===== */
.page-hero {
  position: relative;
  background-size: cover;
  background-position: center;
  padding: 110px 0 90px;
  color: #fff;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(35, 28, 20, 0.84) 15%, rgba(35, 28, 20, 0.56) 60%, rgba(35, 28, 20, 0.22));
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 740px;
}

.hero-bc {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 20px;
}

.hero-bc a {
  color: rgba(255, 255, 255, 0.8);
}

.hero-bc a:hover {
  color: #fff;
}

.hero-bc i {
  font-size: 0.7rem;
  opacity: 0.6;
}

.hero-bc span {
  color: #fff;
  font-weight: 600;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 7px 18px;
  border-radius: 100px;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  margin-bottom: 22px;
  color: #fff;
  font-weight: 600;
}

.hero-eyebrow i {
  color: var(--primary-light);
}

.hero-title {
  font-size: 2.9rem;
  font-weight: 800;
  line-height: 1.22;
  margin-bottom: 18px;
}

.hero-title span {
  color: var(--primary-light);
}

.hero-subtitle {
  font-size: 1.08rem;
  opacity: 0.92;
  max-width: 600px;
  margin-bottom: 32px;
}

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

/* ===== 按钮 ===== */
.btn-feat,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: var(--transition);
  cursor: pointer;
  line-height: 1.4;
}

.btn-feat {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 6px 20px rgba(232, 92, 42, 0.3);
}

.btn-feat:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(232, 92, 42, 0.36);
}

.btn-feat:active {
  transform: translateY(0);
  box-shadow: 0 4px 14px rgba(232, 92, 42, 0.28);
}

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.45);
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
  transform: translateY(-2px);
}

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

/* ===== 板块通用 ===== */
.section {
  padding: 90px 0;
}

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 50px;
}

.section-tag {
  display: inline-block;
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 100px;
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}

.section-title {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 12px;
  color: var(--text);
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 0;
}

/* ===== 栏目概览卡片 ===== */
.overview-section {
  background: var(--surface);
}

.overview-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  height: 100%;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.overview-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  height: 4px;
  width: 0;
  background: var(--primary);
  transition: width 0.3s ease;
}

.overview-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  background: var(--surface);
}

.overview-card:hover::before {
  width: 100%;
}

.overview-icon {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.overview-card h3 {
  font-size: 1.14rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}

.overview-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-bottom: 16px;
}

.overview-link {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.88rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.overview-link i {
  transition: transform 0.2s ease;
  font-size: 0.85rem;
}

.overview-card:hover .overview-link i {
  transform: translateX(4px);
}

/* ===== 热点解读文章列表 ===== */
.insights-section {
  background: var(--bg);
}

.insight-tags {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: -18px 0 38px;
}

.tag-pill {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.84rem;
  font-weight: 600;
  padding: 7px 18px;
  border-radius: 100px;
  transition: var(--transition);
}

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

.tag-pill.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(232, 92, 42, 0.25);
}

.insight-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  background: var(--surface);
  height: 100%;
}

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

.insight-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--border);
}

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

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

.cover-tag {
  position: absolute;
  left: 14px;
  top: 14px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--primary-dark);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(4px);
}

.insight-card .card-body {
  padding: 22px 22px 6px;
}

.insight-meta {
  display: flex;
  gap: 16px;
  color: var(--text-muted);
  font-size: 0.78rem;
  margin-bottom: 10px;
}

.insight-meta i {
  margin-right: 4px;
  color: var(--primary-light);
}

.insight-title {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 8px;
  color: var(--text);
}

.insight-title a {
  color: inherit;
  transition: color 0.2s ease;
}

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

.insight-excerpt {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-bottom: 12px;
}

.insight-card .card-footer {
  background: transparent;
  border-top: 1px solid var(--border);
  padding: 12px 22px;
}

.insight-more {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.86rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.insight-more i {
  transition: transform 0.2s ease;
  font-size: 0.8rem;
}

.insight-more:hover {
  color: var(--primary-dark);
}

.insight-more:hover i {
  transform: translateX(4px);
}

/* ===== 数据统计 ===== */
.stats-section {
  position: relative;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  padding: 80px 0;
}

.stats-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(40, 28, 18, 0.9), rgba(60, 42, 28, 0.84));
}

.stats-grid {
  position: relative;
  z-index: 2;
}

.stat-item {
  text-align: center;
  color: #fff;
  padding: 32px 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  height: 100%;
  transition: var(--transition);
}

.stat-item:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-4px);
}

.stat-num {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--primary-light);
  line-height: 1.2;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.9;
  margin-bottom: 0;
}

/* ===== 解读流程 ===== */
.process-section {
  background: var(--surface);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.step-card {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px 24px;
  transition: var(--transition);
  height: 100%;
}

.step-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  background: var(--surface);
}

.step-num {
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--primary);
  background: var(--primary-soft);
  border-radius: 100px;
  display: inline-block;
  padding: 4px 14px;
  margin-bottom: 18px;
}

.step-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 16px;
  transition: var(--transition);
}

.step-card:hover .step-icon {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.step-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}

.step-card p {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-bottom: 0;
}

/* ===== FAQ 手风琴 ===== */
.faq-section {
  background: var(--bg);
}

.accordion-item {
  border: 1px solid var(--border) !important;
  border-radius: 16px !important;
  overflow: hidden;
  margin-bottom: 14px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.accordion-button {
  padding: 18px 22px;
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--text);
  background: var(--surface);
  line-height: 1.5;
  border-radius: 16px !important;
}

.accordion-button:not(.collapsed) {
  background: var(--primary-soft);
  color: var(--primary-dark);
  box-shadow: none;
}

.accordion-button:focus {
  box-shadow: 0 0 0 4px rgba(232, 92, 42, 0.12);
  border-color: transparent;
}

.accordion-button::after {
  filter: hue-rotate(340deg) saturate(1.1);
  transition: transform 0.25s ease;
}

.accordion-button:not(.collapsed)::after {
  filter: hue-rotate(0deg) saturate(1.3);
}

.accordion-body {
  padding: 4px 22px 20px;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.8;
}

/* ===== CTA ===== */
.cta-section {
  background: var(--bg);
  padding-top: 0;
}

.cta-box {
  position: relative;
  background-size: cover;
  background-position: center;
  border-radius: 28px;
  padding: 70px 50px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.cta-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, rgba(35, 28, 20, 0.86) 20%, rgba(35, 28, 20, 0.62) 70%);
}

.cta-content {
  position: relative;
  z-index: 2;
  color: #fff;
  max-width: 640px;
}

.cta-content h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 14px;
  line-height: 1.3;
}

.cta-content p {
  opacity: 0.92;
  margin-bottom: 28px;
  font-size: 1rem;
}

.cta-btns {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.cta-phone {
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
}

.cta-phone i {
  color: var(--primary-light);
  margin-right: 6px;
}

/* ===== 页脚 ===== */
.site-footer {
  background: #1E1915;
  color: #CBC2B8;
  margin-top: auto;
  padding: 64px 0 0;
}

.footer-grid {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 44px;
  padding: 0 24px 44px;
}

.footer-brand h3 {
  color: #fff;
  font-size: 1.3rem;
  margin-bottom: 14px;
  font-weight: 800;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.8;
  margin-bottom: 0;
  max-width: 340px;
}

.footer-col h4,
.footer-contact h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 16px;
  font-weight: 700;
}

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

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

.footer-col ul a {
  color: #CBC2B8;
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

.footer-col ul a:hover {
  color: #FFB98A;
}

.footer-contact p {
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.footer-contact i {
  color: #FFB98A;
  margin-right: 8px;
  width: 16px;
  text-align: center;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 24px;
  text-align: center;
  color: #8F857A;
  font-size: 0.82rem;
}

/* ===== 响应式 ===== */
@media (max-width: 991.98px) {
  .app-sidebar {
    transform: translateX(-105%);
    box-shadow: none;
  }

  body.sidebar-open .app-sidebar {
    transform: translateX(0);
    box-shadow: 10px 0 40px rgba(0, 0, 0, 0.15);
  }

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

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

  .mobile-topbar {
    display: flex;
  }

  .page-hero {
    padding: 80px 0 64px;
  }

  .hero-title {
    font-size: 2.2rem;
  }

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

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

@media (max-width: 767.98px) {
  .section {
    padding: 64px 0;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .hero-title {
    font-size: 1.8rem;
  }

  .section-head {
    margin-bottom: 38px;
  }

  .stats-section {
    background-attachment: scroll;
  }

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

  .cta-box {
    padding: 50px 28px;
    border-radius: 22px;
  }
}

@media (max-width: 520px) {
  .process-grid {
    grid-template-columns: 1fr;
  }

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

  .btn-feat,
  .btn-ghost {
    justify-content: center;
  }

  .insight-meta {
    flex-wrap: wrap;
    gap: 10px;
  }

  .stat-num {
    font-size: 1.9rem;
  }

  .cta-content h2 {
    font-size: 1.5rem;
  }

  .cta-btns {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-bottom {
    font-size: 0.76rem;
  }
}