/* roulang page: index */
:root{
  --bg-page:#F4F8FB;
  --bg-card:#FFFFFF;
  --primary:#1B6FA8;
  --primary-dark:#155C8F;
  --primary-light:#E4F2F8;
  --secondary:#4A9FC4;
  --accent:#17B8C4;
  --accent-light:rgba(23,184,196,0.12);
  --text-title:#1F2937;
  --text-body:#4B5563;
  --text-muted:#9CA3AF;
  --border:#E5EDF1;
  --danger:#DC2626;
  --radius-lg:16px;
  --radius-sm:12px;
  --shadow-card:0 8px 24px rgba(27,111,168,0.08);
  --shadow-hover:0 12px 32px rgba(27,111,168,0.16);
  --transition:all .3s ease;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg-page);
  color:var(--text-body);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:var(--primary);transition:var(--transition)}
a:hover{color:var(--primary-dark)}
ul{list-style:none;padding:0;margin:0}
button:focus,select:focus,input:focus,textarea:focus{
  outline:none;
  box-shadow:0 0 0 3px rgba(27,111,168,0.15);
  border-color:var(--primary)!important;
}
.container{max-width:1200px;padding-left:20px;padding-right:20px}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:8px;font-weight:600;font-size:15px;
  padding:12px 28px;border:1.5px solid transparent;
  transition:var(--transition);line-height:1.4;gap:8px;
}
.btn-primary-custom{
  background:var(--primary);color:#fff;border-color:var(--primary);
}
.btn-primary-custom:hover{
  background:var(--primary-dark);color:#fff;border-color:var(--primary-dark);
  transform:translateY(-2px);box-shadow:0 8px 20px rgba(27,111,168,0.22);
}
.btn-accent{
  background:var(--accent);color:#fff;border-color:var(--accent);
}
.btn-accent:hover{
  background:#14a0aa;color:#fff;border-color:#14a0aa;
  transform:translateY(-2px);box-shadow:0 8px 20px rgba(23,184,196,0.28);
}
.btn-outline-primary-custom{
  background:transparent;color:var(--primary);border-color:var(--primary);
}
.btn-outline-primary-custom:hover{
  background:var(--primary);color:#fff;border-color:var(--primary);
  transform:translateY(-2px);box-shadow:0 8px 20px rgba(27,111,168,0.18);
}
.btn:focus-visible{
  outline:2px solid rgba(23,184,196,0.5);outline-offset:2px;
}
.btn-lg{padding:14px 36px;font-size:16px;border-radius:40px}

/* ===== 导航 ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(255,255,255,0.92);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  border-bottom:1px solid var(--border);
  transition:var(--transition);
}
.header-wrap{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  min-height:72px;
  gap:16px;
}
.nav-left{display:flex;align-items:center;gap:8px;justify-content:flex-start}
.nav-right{display:flex;align-items:center;gap:8px;justify-content:flex-end}
.site-logo{
  display:flex;align-items:center;gap:6px;
  font-size:24px;font-weight:800;color:var(--text-title);
  line-height:1.2;white-space:nowrap;
}
.site-logo a{
  color:var(--text-title);
  display:flex;align-items:center;gap:6px;
}
.site-logo a:hover{color:var(--primary)}
.logo-badge{
  display:inline-flex;align-items:center;
  background:var(--accent);color:#fff;
  font-size:11px;font-weight:700;
  padding:2px 8px;border-radius:999px;
  letter-spacing:1px;
}
.nav-link-custom{
  font-size:14px;font-weight:600;color:var(--text-body);
  padding:10px 16px;border-radius:8px;
  transition:var(--transition);
  position:relative;
}
.nav-link-custom:hover{
  color:var(--primary);
  background:var(--primary-light);
}
.nav-link-custom.active{
  color:var(--primary);
}
.nav-link-custom.active::after{
  content:'';
  position:absolute;bottom:2px;left:50%;
  transform:translateX(-50%);
  width:20px;height:2px;
  background:var(--primary);
  border-radius:2px;
}
.navbar-brand-mobile{display:none}
.navbar-toggle{
  display:none;background:none;border:none;
  font-size:26px;color:var(--text-title);cursor:pointer;
  line-height:1;padding:4px 8px;
}
@media (max-width:991px){
  .header-wrap{
    grid-template-columns:auto 1fr auto;
    min-height:64px;
  }
  .nav-left,.nav-right{display:none}
  .navbar-toggle{display:inline-flex}
  .site-logo{font-size:20px}
  .mobile-menu{
    display:flex;flex-direction:column;
    background:#fff;border-top:1px solid var(--border);
    padding:12px 16px 20px;
  }
  .mobile-menu .nav-link-custom{
    font-size:17px;padding:14px 8px;
    border-bottom:1px solid #F0F5F9;
  }
  .mobile-menu .nav-link-custom:last-child{border-bottom:none}
}
@media (min-width:992px){
  .mobile-menu{display:none!important}
}

/* ===== Hero ===== */
.hero{
  position:relative;
  min-height:80vh;
  display:flex;align-items:center;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding-top:120px;padding-bottom:80px;
  overflow:hidden;
}
.hero::before{
  content:'';
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(244,248,251,0.95),rgba(244,248,251,0.72));
}
.hero-content{
  position:relative;z-index:2;
  max-width:680px;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent-light);color:var(--primary);
  font-size:13px;font-weight:700;
  padding:6px 16px;border-radius:999px;
  margin-bottom:24px;
}
.hero-badge i{color:var(--accent)}
.hero h1{
  font-size:44px;font-weight:800;
  color:var(--text-title);line-height:1.2;
  margin-bottom:20px;
}
.hero h1 span{color:var(--primary)}
.hero .subtitle{
  font-size:18px;color:var(--text-body);
  line-height:1.7;margin-bottom:32px;
  max-width:540px;
}
.hero-actions{
  display:flex;gap:16px;flex-wrap:wrap;
}
.hero-meta{
  display:flex;gap:32px;margin-top:48px;
  padding-top:24px;border-top:1px solid rgba(27,111,168,0.12);
}
.hero-meta .meta-item{
  display:flex;align-items:center;gap:8px;
  color:var(--text-muted);font-size:14px;
}
.hero-meta .meta-item i{color:var(--primary);font-size:18px}
@media (max-width:767px){
  .hero{min-height:auto;padding-top:100px;padding-bottom:56px}
  .hero h1{font-size:28px}
  .hero .subtitle{font-size:15px}
  .hero-meta{flex-wrap:wrap;gap:16px}
}

/* ===== 板块通用 ===== */
.section{
  padding:96px 0;
}
.section-alt{
  background:var(--bg-card);
}
.section-header{
  text-align:center;
  margin-bottom:56px;
}
.section-header .section-overline{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--secondary);
  text-transform:uppercase;letter-spacing:2px;
  margin-bottom:12px;
}
.section-header h2{
  font-size:32px;font-weight:800;color:var(--text-title);
  line-height:1.3;margin-bottom:12px;
}
.section-header p{
  font-size:16px;color:var(--text-body);
  max-width:640px;margin:0 auto;
}
@media (max-width:767px){
  .section{padding:64px 0}
  .section-header h2{font-size:24px}
}

/* ===== 时间线 ===== */
.timeline-section{
  background:var(--bg-page);
}
.timeline{
  position:relative;
  max-width:820px;margin:0 auto;
  padding:20px 0;
}
.timeline::before{
  content:'';
  position:absolute;left:50%;top:0;bottom:0;
  width:2px;background:#D6E6F2;
  transform:translateX(-50%);
}
.timeline-item{
  position:relative;
  display:flex;align-items:flex-start;
  margin-bottom:48px;
  width:50%;padding-right:48px;
  text-align:right;
}
.timeline-item:nth-child(even){
  margin-left:50%;
  padding-right:0;padding-left:48px;
  text-align:left;
}
.timeline-dot{
  position:absolute;
  top:4px;right:-12px;
  width:24px;height:24px;
  background:var(--primary);
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 0 6px rgba(27,111,168,0.08);
  transition:var(--transition);
  z-index:2;
}
.timeline-item:nth-child(even) .timeline-dot{
  right:auto;left:-12px;
}
.timeline-dot::after{
  content:'';
  width:8px;height:8px;
  background:#fff;border-radius:50%;
}
.timeline-item:hover .timeline-dot{
  background:var(--accent);
  box-shadow:0 0 0 8px rgba(23,184,196,0.14);
}
.timeline-content{
  background:var(--bg-card);
  border-radius:var(--radius-lg);
  padding:24px 28px;
  box-shadow:var(--shadow-card);
  border:1px solid var(--border);
  transition:var(--transition);
}
.timeline-item:hover .timeline-content{
  box-shadow:var(--shadow-hover);
  transform:translateY(-2px);
}
.timeline-time{
  font-size:14px;font-weight:700;color:var(--primary);
  font-variant-numeric:tabular-nums;
  margin-bottom:6px;
}
.timeline-content h3{
  font-size:18px;font-weight:700;color:var(--text-title);
  margin-bottom:8px;
}
.timeline-content p{
  font-size:14px;color:var(--text-body);
  line-height:1.6;margin:0;
}
.timeline-num{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:44px;height:28px;
  background:var(--primary-light);
  color:var(--primary);
  font-size:12px;font-weight:800;
  border-radius:999px;
  margin-bottom:10px;
}
@media (max-width:767px){
  .timeline::before{left:12px;transform:none}
  .timeline-item{
    width:100%;padding-left:40px!important;padding-right:0!important;
    text-align:left!important;margin-left:0!important;
  }
  .timeline-dot{
    left:0!important;right:auto!important;
    top:18px;
  }
}

/* ===== 亮点卡片 ===== */
.features-section{
  background:var(--bg-card);
}
.feature-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:28px;
}
.feature-card{
  background:var(--bg-page);
  border-radius:var(--radius-lg);
  padding:32px 28px;
  border:1px solid var(--border);
  transition:var(--transition);
  position:relative;
  overflow:hidden;
}
.feature-card::after{
  content:'';
  position:absolute;top:0;left:0;right:0;
  height:4px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  opacity:0;
  transition:var(--transition);
}
.feature-card:hover::after{opacity:1}
.feature-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-4px);
}
.feature-icon{
  width:56px;height:56px;
  background:var(--primary-light);
  border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:24px;color:var(--primary);
  margin-bottom:20px;
}
.feature-card h3{
  font-size:20px;font-weight:700;color:var(--text-title);
  margin-bottom:10px;
}
.feature-card p{
  font-size:14px;color:var(--text-body);
  line-height:1.7;margin:0;
}
@media (max-width:767px){
  .feature-grid{grid-template-columns:1fr}
  .feature-card{padding:24px 20px}
}

/* ===== 资讯列表 ===== */
.news-section{
  background:var(--bg-page);
}
.news-list{
  display:flex;flex-direction:column;gap:20px;
  max-width:920px;margin:0 auto;
}
.news-card{
  display:flex;
  background:var(--bg-card);
  border-radius:var(--radius-lg);
  padding:20px 24px;
  border:1px solid var(--border);
  box-shadow:var(--shadow-card);
  transition:var(--transition);
  gap:24px;
}
.news-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-2px);
}
.news-thumb{
  flex-shrink:0;
  width:160px;height:120px;
  border-radius:12px;
  overflow:hidden;
  background:#EDF2F7;
}
.news-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{
  flex:1;
  display:flex;flex-direction:column;
  min-width:0;
}
.news-tag{
  display:inline-flex;align-self:flex-start;
  background:var(--primary-light);color:var(--primary);
  font-size:12px;font-weight:700;
  padding:4px 12px;border-radius:999px;
  margin-bottom:10px;
}
.news-title{
  font-size:18px;font-weight:700;color:var(--text-title);
  line-height:1.5;margin-bottom:8px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-desc{
  font-size:14px;color:var(--text-body);
  line-height:1.6;margin-bottom:12px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:auto;
}
.news-meta time{
  font-size:13px;color:var(--text-muted);
  font-variant-numeric:tabular-nums;
}
.news-more{
  font-size:13px;font-weight:600;color:var(--primary);
}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:64px 32px;
  background:#F0F6FA;
  border:2px dashed #D1E0EB;
  border-radius:var(--radius-lg);
  text-align:center;
  max-width:920px;margin:0 auto;
}
.empty-state i{
  font-size:48px;color:var(--secondary);
  margin-bottom:16px;
  opacity:.6;
}
.empty-state p{
  font-size:16px;color:var(--text-muted);
  margin:0;
}
@media (max-width:767px){
  .news-card{
    flex-direction:column;
    padding:16px;
    gap:16px;
  }
  .news-thumb{
    width:100%;height:180px;
  }
}

/* ===== 方案对比 ===== */
.pricing-section{
  background:var(--bg-card);
}
.pricing-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
  align-items:stretch;
}
.pricing-card{
  background:var(--bg-page);
  border-radius:var(--radius-lg);
  padding:36px 28px;
  border:1px solid var(--border);
  box-shadow:var(--shadow-card);
  display:flex;flex-direction:column;
  transition:var(--transition);
  position:relative;
}
.pricing-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-4px);
}
.pricing-card.featured{
  background:var(--bg-card);
  border:2px solid var(--primary);
  box-shadow:0 16px 40px rgba(27,111,168,0.12);
  transform:scale(1.03);
  z-index:2;
}
.pricing-card.featured:hover{
  transform:scale(1.03) translateY(-4px);
}
.pricing-badge{
  position:absolute;
  top:-14px;left:50%;
  transform:translateX(-50%);
  background:var(--accent);
  color:#fff;
  font-size:13px;font-weight:700;
  padding:6px 20px;
  border-radius:999px;
  box-shadow:0 4px 12px rgba(23,184,196,0.3);
}
.pricing-name{
  font-size:18px;font-weight:700;color:var(--text-title);
  margin-bottom:8px;
}
.pricing-price{
  font-size:40px;font-weight:800;
  color:var(--text-title);
  line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.pricing-price .unit{
  font-size:14px;font-weight:400;color:var(--text-muted);
  margin-left:4px;
}
.pricing-desc{
  font-size:14px;color:var(--text-muted);
  margin-top:10px;margin-bottom:24px;
}
.pricing-list{
  flex:1;
  margin-bottom:28px;
}
.pricing-list li{
  display:flex;align-items:center;gap:10px;
  padding:8px 0;
  font-size:14px;color:var(--text-body);
  border-bottom:1px solid var(--border);
}
.pricing-list li:last-child{border-bottom:none}
.pricing-list li i{
  color:var(--accent);
  font-size:16px;
  flex-shrink:0;
}
.pricing-list li.disabled{
  color:var(--text-muted);
  text-decoration:line-through;
}
.pricing-list li.disabled i{color:var(--text-muted)}
.pricing-cta{
  text-align:center;
}
@media (max-width:991px){
  .pricing-grid{grid-template-columns:1fr;gap:24px}
  .pricing-card.featured{order:-1;transform:none}
  .pricing-card.featured:hover{transform:translateY(-4px)}
}

/* ===== 报名CTA ===== */
.cta-section{
  background:
    linear-gradient(rgba(244,248,251,0.94),rgba(244,248,251,0.94)),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  position:relative;
}
.cta-wrap{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:center;
}
.cta-left h2{
  font-size:32px;font-weight:800;
  color:var(--text-title);
  line-height:1.3;
  margin-bottom:16px;
}
.cta-left p{
  font-size:16px;color:var(--text-body);
  line-height:1.8;
  margin-bottom:24px;
}
.cta-points{
  margin-bottom:32px;
}
.cta-points li{
  display:flex;align-items:center;gap:12px;
  padding:6px 0;
  font-size:15px;color:var(--text-body);
}
.cta-points li i{
  color:var(--accent);
  font-size:20px;
}
.cta-points li strong{color:var(--text-title)}
.cta-form{
  background:var(--bg-card);
  border-radius:var(--radius-lg);
  padding:40px;
  box-shadow:0 20px 48px rgba(27,111,168,0.12);
  border:1px solid var(--border);
}
.cta-form h3{
  font-size:22px;font-weight:700;
  color:var(--text-title);
  margin-bottom:24px;
}
.form-label{
  font-size:14px;font-weight:600;
  color:var(--text-title);
  margin-bottom:6px;
}
.form-control{
  height:48px;
  border-radius:12px;
  background:#FBFDFE;
  border:1px solid var(--border);
  font-size:15px;
  padding:0 16px;
  transition:var(--transition);
  color:var(--text-title);
}
.form-control:focus{
  background:#fff;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(27,111,168,0.12);
}
textarea.form-control{
  height:auto;padding:14px 16px;
  resize:vertical;
}
select.form-control{
  appearance:none;
  background-image:none;
}
.privacy-note{
  font-size:13px;color:var(--text-muted);
  margin-top:16px;
  text-align:center;
}
@media (max-width:991px){
  .cta-wrap{grid-template-columns:1fr;gap:40px}
  .cta-form{padding:28px 20px}
}

/* ===== FAQ ===== */
.faq-section{
  background:var(--bg-page);
}
.faq-wrap{
  max-width:760px;margin:0 auto;
}
.faq-item{
  background:var(--bg-card);
  border-radius:var(--radius-lg);
  border:1px solid var(--border);
  margin-bottom:16px;
  overflow:hidden;
  transition:var(--transition);
}
.faq-item:hover{
  box-shadow:var(--shadow-card);
}
.faq-item .faq-btn{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 24px;
  background:transparent;
  border:none;
  font-size:16px;font-weight:600;
  color:var(--text-title);
  text-align:left;
  cursor:pointer;
  transition:var(--transition);
}
.faq-item .faq-btn:hover{color:var(--primary)}
.faq-item .faq-icon{
  width:32px;height:32px;
  background:var(--primary-light);
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:var(--primary);
  font-size:16px;
  flex-shrink:0;
  transition:var(--transition);
}
.faq-item.active .faq-icon{
  background:var(--accent);
  color:#fff;
  transform:rotate(45deg);
}
.faq-body{
  padding:0 24px 20px;
  font-size:15px;
  color:var(--text-body);
  line-height:1.7;
}

/* ===== 页脚 ===== */
.site-footer{
  background:#0F2A40;
  color:#9CB8CC;
  padding:72px 0 32px;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr;
  gap:48px;
  margin-bottom:48px;
}
.footer-brand{
  font-size:22px;font-weight:800;
  color:#fff;
  display:flex;align-items:center;gap:8px;
  margin-bottom:16px;
}
.footer-brand .footer-badge{
  display:inline-flex;
  background:var(--accent);color:#fff;
  font-size:10px;font-weight:700;
  padding:2px 10px;border-radius:999px;
  letter-spacing:1px;
}
.footer-about{
  font-size:14px;line-height:1.8;
  color:#9CB8CC;
  max-width:400px;
}
.footer-title{
  font-size:15px;font-weight:700;
  color:#fff;
  margin-bottom:20px;
}
.footer-links li{
  margin-bottom:10px;
}
.footer-links a{
  color:#9CB8CC;
  font-size:14px;
  transition:var(--transition);
}
.footer-links a:hover{
  color:#fff;
  padding-left:4px;
}
.footer-contact li{
  display:flex;align-items:center;gap:8px;
  font-size:14px;margin-bottom:10px;
}
.footer-contact li i{
  color:var(--accent);
  font-size:16px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.08);
  padding-top:24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  font-size:13px;
  color:#7C9AB0;
}
.footer-bottom a{color:#7C9AB0}
.footer-bottom a:hover{color:#fff}
@media (max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;text-align:center}
}

/* ===== 返回顶部 ===== */
.back-top{
  position:fixed;
  bottom:32px;right:32px;
  width:48px;height:48px;
  background:var(--primary);
  color:#fff;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;
  box-shadow:0 8px 24px rgba(27,111,168,0.24);
  border:none;
  cursor:pointer;
  z-index:999;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:var(--transition);
}
.back-top.visible{
  opacity:1;visibility:visible;
  transform:translateY(0);
}
.back-top:hover{
  background:var(--primary-dark);
  color:#fff;
}
@media (max-width:767px){
  .back-top{
    bottom:20px;right:20px;
    width:42px;height:42px;
    font-size:18px;
  }
}

/* -- Bootstrap 覆盖 -- */
.accordion-button:not(.collapsed){
  color:var(--primary)!important;
  background:transparent!important;
  box-shadow:none!important;
}
.accordion-button:focus{
  box-shadow:0 0 0 3px rgba(27,111,168,0.1)!important;
  border-color:var(--primary)!important;
}

/* roulang page: article */
:root {
            --bg-page: #F4F8FB;
            --bg-card: #FFFFFF;
            --primary: #1B6FA8;
            --primary-hover: #155D8F;
            --secondary: #4A9FC4;
            --accent: #17B8C4;
            --accent-hover: #14A5AF;
            --title-color: #1F2937;
            --body-color: #4B5563;
            --muted-color: #9CA3AF;
            --border-color: #E5EDF1;
            --danger: #DC2626;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-card: 0 8px 24px rgba(27, 111, 168, 0.08);
            --shadow-hover: 0 12px 32px rgba(27, 111, 168, 0.16);
            --font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background: var(--bg-page);
            color: var(--body-color);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

        a {
            text-decoration: none;
            color: var(--primary);
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--primary-hover);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }
        ul,
        ol {
            list-style: none;
        }

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

        /* ===== Header & Nav ===== */
        .site-header {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 16px 0;
            transition: box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
        }
        .nav-right {
            justify-content: flex-end;
        }
        .nav-link-custom {
            font-size: 14px;
            font-weight: 600;
            color: var(--title-color);
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            position: relative;
            transition: background 0.2s, color 0.2s;
        }
        .nav-link-custom:hover {
            color: var(--primary);
            background: #E4F2F8;
        }
        .nav-link-custom.active {
            color: var(--primary);
        }
        .nav-link-custom.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            padding: 0;
        }
        .brand-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--title-color);
            letter-spacing: 1px;
            line-height: 1.2;
        }
        .brand-badge {
            font-size: 11px;
            font-weight: 700;
            background: var(--accent);
            color: #fff;
            padding: 2px 8px;
            border-radius: var(--radius-pill);
            letter-spacing: 1px;
        }
        .navbar-toggler-custom {
            display: none;
            background: none;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 8px 12px;
            font-size: 20px;
            color: var(--title-color);
            cursor: pointer;
            line-height: 1;
        }
        .mobile-nav {
            display: none;
            background: #fff;
            border-bottom: 1px solid var(--border-color);
            padding: 12px 0;
        }
        .mobile-nav .mobile-nav-inner {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-nav .nav-link-custom {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            border-bottom: 1px solid #F0F5F8;
        }
        .mobile-nav .nav-link-custom:last-child {
            border-bottom: none;
        }
        .mobile-nav .nav-link-custom.active {
            background: #E4F2F8;
        }
        .mobile-nav .nav-link-custom.active::after {
            display: none;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-wrapper {
            background: linear-gradient(135deg, #E4F2F8 0%, #F4F8FB 100%);
            padding: 20px 0;
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            margin: 0;
            padding: 0;
            font-size: 14px;
        }
        .breadcrumb-custom li {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--muted-color);
        }
        .breadcrumb-custom li a {
            color: var(--primary);
            font-weight: 500;
        }
        .breadcrumb-custom li a:hover {
            text-decoration: underline;
        }
        .breadcrumb-custom .separator {
            color: var(--border-color);
        }
        .breadcrumb-custom .active {
            color: var(--title-color);
            font-weight: 600;
            max-width: 260px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* ===== Article Main ===== */
        .article-page {
            padding: 48px 0 0;
        }
        .article-container {
            max-width: 900px;
        }
        .article-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 48px 56px;
            border: 1px solid var(--border-color);
            margin-bottom: 48px;
        }
        .article-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--title-color);
            line-height: 1.3;
            margin-bottom: 20px;
            word-break: break-word;
        }
        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            padding-bottom: 24px;
            margin-bottom: 32px;
            border-bottom: 1px solid var(--border-color);
            font-size: 14px;
            color: var(--muted-color);
        }
        .meta-category,
        .meta-date,
        .meta-views {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .meta-category {
            background: #E4F2F8;
            color: var(--primary);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 13px;
        }
        .meta-date i,
        .meta-views i {
            font-size: 14px;
        }

        .article-body {
            font-size: 16px;
            line-height: 1.85;
            color: var(--body-color);
            word-wrap: break-word;
        }
        .article-body p {
            margin-bottom: 20px;
        }
        .article-body h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--title-color);
            line-height: 1.4;
            border-left: 4px solid var(--primary);
            padding-left: 16px;
            margin: 40px 0 20px;
        }
        .article-body h3 {
            font-size: 22px;
            font-weight: 600;
            color: var(--title-color);
            margin: 32px 0 16px;
            line-height: 1.4;
        }
        .article-body h4 {
            font-size: 18px;
            font-weight: 600;
            color: var(--title-color);
            margin: 28px 0 14px;
        }
        .article-body ul,
        .article-body ol {
            margin: 16px 0 20px;
            padding-left: 24px;
        }
        .article-body ul {
            list-style: disc;
        }
        .article-body ol {
            list-style: decimal;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body blockquote {
            background: #E4F2F8;
            border-left: 4px solid var(--primary);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            padding: 20px 24px;
            margin: 24px 0;
            color: var(--title-color);
            font-size: 15px;
        }
        .article-body blockquote p {
            margin-bottom: 0;
        }
        .article-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-body a:hover {
            color: var(--primary-hover);
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            max-width: 100%;
        }
        .article-body code {
            background: #F0F6FA;
            padding: 2px 8px;
            border-radius: 6px;
            font-size: 14px;
            color: var(--primary);
        }
        .article-body pre {
            background: #1F2937;
            color: #E5E7EB;
            border-radius: var(--radius-md);
            padding: 20px;
            overflow-x: auto;
            margin: 24px 0;
        }
        .article-body pre code {
            background: transparent;
            color: inherit;
            padding: 0;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: #fff;
        }
        .article-body th,
        .article-body td {
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            text-align: left;
        }
        .article-body th {
            background: #F0F6FA;
            font-weight: 600;
            color: var(--title-color);
        }

        /* ===== Article Bottom ===== */
        .article-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 40px;
            padding-top: 28px;
            border-top: 1px solid var(--border-color);
        }
        .article-tags {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-label {
            font-size: 14px;
            color: var(--muted-color);
        }
        .tag {
            display: inline-flex;
            align-items: center;
            background: #E4F2F8;
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            transition: background 0.2s, transform 0.2s;
        }
        .tag:hover {
            background: #D0E8F4;
            transform: translateY(-1px);
        }
        .article-share {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--muted-color);
        }
        .share-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: #F0F6FA;
            color: var(--primary);
            font-size: 16px;
            transition: background 0.2s, color 0.2s, transform 0.2s;
        }
        .share-icon:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-back-category {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1.5px solid var(--primary);
            color: var(--primary);
            background: transparent;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 24px;
            border-radius: var(--radius-pill);
            transition: background 0.2s, color 0.2s, transform 0.2s, box-shadow 0.2s;
        }
        .btn-back-category:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(27, 111, 168, 0.2);
        }

        /* ===== Not Found ===== */
        .article-not-found {
            text-align: center;
            padding: 60px 20px;
        }
        .article-not-found i {
            font-size: 56px;
            color: var(--secondary);
            margin-bottom: 20px;
            display: inline-block;
        }
        .article-not-found h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--title-color);
            margin-bottom: 12px;
        }
        .article-not-found p {
            color: var(--muted-color);
            margin-bottom: 24px;
        }
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 32px;
            border-radius: var(--radius-pill);
            border: none;
            transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
        }
        .btn-primary-custom:hover {
            background: var(--primary-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(27, 111, 168, 0.2);
        }
        .btn-primary-custom:focus-visible {
            outline: 2px solid rgba(23, 184, 196, 0.5);
            outline-offset: 2px;
        }

        /* ===== Related Section ===== */
        .related-section {
            padding: 48px 0 64px;
        }
        .section-title {
            font-size: 28px;
            font-weight: 800;
            color: var(--title-color);
            margin-bottom: 32px;
            position: relative;
            padding-bottom: 14px;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 48px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }
        .related-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            gap: 16px;
            height: 100%;
            transition: box-shadow 0.3s, transform 0.3s;
        }
        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .related-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--title-color);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-date {
            font-size: 13px;
            color: var(--muted-color);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .related-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
        }
        .related-more i {
            font-size: 14px;
        }

        /* ===== CTA Strip ===== */
        .cta-strip {
            background: linear-gradient(120deg, var(--primary) 0%, var(--secondary) 50%, var(--accent) 100%);
            padding: 64px 0;
            border-radius: 0;
            position: relative;
            overflow: hidden;
        }
        .cta-strip::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
        }
        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 24px;
            position: relative;
            z-index: 1;
        }
        .cta-text h2 {
            color: #fff;
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 8px;
        }
        .cta-text p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            max-width: 480px;
            margin: 0;
        }
        .cta-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-accent-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            padding: 14px 36px;
            border-radius: var(--radius-pill);
            border: none;
            transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
        }
        .btn-accent-custom:hover {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(23, 184, 196, 0.3);
        }
        .btn-accent-custom:focus-visible {
            outline: 2px solid rgba(255, 255, 255, 0.6);
            outline-offset: 2px;
        }
        .btn-outline-light-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 32px;
            border-radius: var(--radius-pill);
            border: 1.5px solid rgba(255, 255, 255, 0.7);
            transition: background 0.2s, border-color 0.2s, transform 0.2s;
        }
        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0F2A40;
            color: #9CB8CC;
            padding: 64px 0 24px;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 48px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-brand span:first-child {
            color: #fff;
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 1px;
        }
        .footer-badge {
            background: var(--accent);
            color: #fff;
            font-size: 11px;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: var(--radius-pill);
            letter-spacing: 1px;
        }
        .footer-about {
            color: #8AA9BE;
            line-height: 1.7;
            max-width: 380px;
            margin: 0;
        }
        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-links {
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #9CB8CC;
            transition: color 0.2s, padding-left 0.2s;
        }
        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-contact {
            padding: 0;
            margin: 0;
        }
        .footer-contact li {
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
            color: #9CB8CC;
        }
        .footer-contact i {
            font-size: 15px;
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            color: #6D8CA3;
            font-size: 13px;
        }

        /* ===== Empty State ===== */
        .empty-state {
            text-align: center;
            padding: 60px 24px;
            background: #F0F6FA;
            border: 2px dashed var(--border-color);
            border-radius: var(--radius-lg);
        }
        .empty-state i {
            font-size: 48px;
            color: var(--secondary);
            margin-bottom: 16px;
            display: inline-block;
        }
        .empty-state p {
            font-size: 16px;
            color: var(--muted-color);
            margin: 0;
        }

        /* ===== Responsive ===== */
        @media (max-width: 991.98px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .article-card {
                padding: 36px 28px;
            }
        }

        @media (max-width: 767.98px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-left,
            .nav-right {
                display: none;
            }
            .navbar-toggler-custom {
                display: inline-block;
            }
            .mobile-nav {
                display: block;
            }
            .article-card {
                padding: 28px 20px;
                border-radius: var(--radius-md);
            }
            .article-title {
                font-size: 24px;
                line-height: 1.35;
            }
            .article-body {
                font-size: 15px;
                line-height: 1.8;
            }
            .article-body h2 {
                font-size: 22px;
            }
            .article-body h3 {
                font-size: 19px;
            }
            .article-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-strip {
                padding: 48px 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .related-section {
                padding: 32px 0 48px;
            }
            .section-title {
                font-size: 24px;
            }
        }

        @media (max-width: 576px) {
            .container-custom {
                padding: 0 16px;
            }
            .breadcrumb-custom .active {
                max-width: 160px;
            }
            .meta-category {
                font-size: 12px;
            }
            .related-card {
                padding: 20px;
            }
        }

        @media (min-width: 768px) and (max-width: 991.98px) {
            .career-card {
                padding: 28px 20px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1B6FA8;
            --primary-dark: #145A8A;
            --secondary: #4A9FC4;
            --accent: #17B8C4;
            --accent-light: #3ED4DE;
            --bg: #F4F8FB;
            --card-bg: #FFFFFF;
            --text-heading: #1F2937;
            --text-body: #4B5563;
            --text-muted: #9CA3AF;
            --border-color: #E5EDF1;
            --dark-bg: #0F2A40;
            --dark-text: #9CB8CC;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 8px 24px rgba(27, 111, 168, 0.08);
            --shadow-hover: 0 12px 32px rgba(27, 111, 168, 0.16);
            --transition: all .3s ease;
        }

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

        body {
            margin: 0;
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-body);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-heading);
            font-weight: 700;
            line-height: 1.3;
            margin: 0 0 12px;
        }

        p {
            margin: 0 0 16px;
        }

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

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

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

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            border-bottom: 1px solid var(--border-color);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            min-height: 72px;
            gap: 0;
        }

        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
            gap: 8px;
            position: relative;
            z-index: 2;
        }

        .nav-left {
            margin-right: auto;
            padding-left: 8px;
        }

        .nav-right {
            margin-left: auto;
            padding-right: 8px;
        }

        .nav-link-custom {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-body);
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            position: relative;
            white-space: nowrap;
        }

        .nav-link-custom:hover {
            color: var(--primary);
            background: rgba(27, 111, 168, 0.06);
        }

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

        .nav-link-custom.active::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 0;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
        }

        .nav-logo {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            z-index: 3;
            color: var(--text-heading);
        }

        .logo-text {
            font-size: 24px;
            font-weight: 800;
            letter-spacing: 1px;
            color: var(--primary);
        }

        .logo-badge {
            display: inline-flex;
            align-items: center;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 999px;
            line-height: 1.4;
        }

        .mobile-toggle {
            display: none;
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            z-index: 4;
            background: transparent;
            border: none;
            color: var(--text-heading);
            font-size: 28px;
            padding: 4px 8px;
            line-height: 1;
            border-radius: var(--radius-sm);
            cursor: pointer;
        }

        .mobile-toggle:focus-visible {
            outline: 2px solid rgba(23, 184, 196, 0.5);
            outline-offset: 2px;
        }

        .mobile-nav-panel {
            border-top: 1px solid var(--border-color);
            background: #fff;
            padding: 0;
        }

        .mobile-nav-links {
            display: flex;
            flex-direction: column;
            padding: 8px 16px 16px;
            gap: 2px;
        }

        .mobile-nav-link {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-heading);
            padding: 12px 8px;
            border-bottom: 1px solid #EFF4F7;
            border-radius: var(--radius-sm);
        }

        .mobile-nav-link:last-child {
            border-bottom: none;
        }

        .mobile-nav-link.active {
            color: var(--primary);
            background: rgba(27, 111, 168, 0.05);
        }

        @media (max-width: 991.98px) {
            .desktop-nav {
                display: none !important;
            }

            .mobile-toggle {
                display: block;
            }

            .nav-logo {
                position: static;
                transform: none;
                margin: 0 auto;
            }

            .nav-container {
                min-height: 64px;
            }

            .logo-text {
                font-size: 20px;
            }
        }

        /* ========== Hero ========== */
        .page-hero {
            position: relative;
            min-height: 300px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
            background-image: url('/assets/images/backpic/back-1.png');
            padding: 72px 0;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(244, 248, 251, 0.96), rgba(244, 248, 251, 0.68));
            z-index: 1;
        }

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

        .hero-tag {
            display: inline-block;
            background: rgba(27, 111, 168, 0.12);
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

        .hero-inner h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .hero-inner .hero-desc {
            font-size: 17px;
            color: var(--text-body);
            max-width: 640px;
            margin-bottom: 0;
            line-height: 1.8;
        }

        @media (max-width: 767.98px) {
            .page-hero {
                min-height: 240px;
                padding: 48px 0;
            }

            .hero-inner h1 {
                font-size: 30px;
            }

            .hero-inner .hero-desc {
                font-size: 15px;
            }
        }

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

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

        .section-header .section-tag {
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 8px;
            display: block;
        }

        .section-header h2 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 16px;
            max-width: 560px;
            margin-bottom: 0;
        }

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

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

        /* ========== 快速导航卡 ========== */
        .quick-grid {
            margin-bottom: 16px;
        }

        .quick-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px;
            height: 100%;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

        .quick-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .quick-card-primary {
            display: flex;
            align-items: flex-start;
            gap: 24px;
            background: linear-gradient(135deg, #F9FCFE 0%, #EFF6FB 100%);
            border-color: rgba(27, 111, 168, 0.15);
        }

        .quick-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: rgba(27, 111, 168, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: var(--primary);
            flex-shrink: 0;
            transition: var(--transition);
        }

        .quick-card:hover .quick-icon {
            background: rgba(23, 184, 196, 0.15);
            color: var(--accent);
        }

        .quick-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .quick-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 12px;
            line-height: 1.6;
        }

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

        .quick-link:hover {
            color: var(--accent);
            gap: 10px;
        }

        @media (max-width: 991.98px) {
            .quick-card-primary {
                flex-direction: row;
            }
        }

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

            .quick-card-primary {
                flex-direction: column;
                gap: 16px;
            }
        }

        /* ========== 指南内容列表 ========== */
        .guide-section {
            background: #fff;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .guide-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            height: 100%;
            display: block;
        }

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

        .guide-card-media {
            position: relative;
            overflow: hidden;
            height: 180px;
            background: #E4F2F8;
        }

        .guide-card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

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

        .guide-card-body {
            padding: 24px;
        }

        .guide-card-tag {
            display: inline-block;
            background: #E4F2F8;
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 999px;
            margin-bottom: 12px;
        }

        .guide-card-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .guide-card-body p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
            line-height: 1.6;
        }

        .guide-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 14px;
            color: var(--text-muted);
        }

        .guide-card-footer .guide-more {
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .guide-card-footer .guide-more:hover {
            color: var(--accent);
        }

        @media (max-width: 767.98px) {
            .guide-card-media {
                height: 200px;
            }
        }

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

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 48px;
            position: relative;
        }

        .process-grid::before {
            content: "";
            position: absolute;
            top: 40px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: #D6E6F2;
            z-index: 0;
        }

        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
            background: var(--bg);
            padding: 0 8px;
        }

        .process-node {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            position: relative;
            box-shadow: 0 0 0 8px rgba(27, 111, 168, 0.1);
            transition: var(--transition);
        }

        .process-node::after {
            content: "";
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #fff;
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }

        .process-step:hover .process-node {
            background: var(--accent);
            box-shadow: 0 0 0 10px rgba(23, 184, 196, 0.18);
        }

        .process-node-icon {
            font-size: 22px;
            color: #fff;
            z-index: 2;
            position: relative;
        }

        .process-node-icon img {
            display: none;
        }

        .process-step h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.6;
            max-width: 220px;
            margin-left: auto;
            margin-right: auto;
        }

        @media (max-width: 991.98px) {
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px 16px;
            }

            .process-grid::before {
                display: none;
            }
        }

        @media (max-width: 575.98px) {
            .process-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: #fff;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .custom-accordion {
            max-width: 840px;
            margin: 0 auto;
            border: none;
        }

        .custom-accordion .accordion-item {
            border: none;
            border-radius: var(--radius-md);
            background: transparent;
            margin-bottom: 12px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .custom-accordion .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: rgba(27, 111, 168, 0.3);
            box-shadow: 0 4px 16px rgba(27, 111, 168, 0.08);
        }

        .custom-accordion .accordion-button {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-heading);
            background: transparent;
            padding: 18px 20px;
            border: none;
            border-radius: var(--radius-md) !important;
            box-shadow: none;
            transition: var(--transition);
        }

        .custom-accordion .accordion-button::after {
            content: "+";
            font-size: 20px;
            font-weight: 400;
            color: var(--primary);
            background: #E4F2F8;
            border-radius: 50%;
            width: 26px;
            height: 26px;
            display: flex;
            align-items: center;
            justify-content: center;
            background-image: none;
            line-height: 1;
            transition: transform .3s ease;
            flex-shrink: 0;
        }

        .custom-accordion .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: rgba(27, 111, 168, 0.03);
        }

        .custom-accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
        }

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

        .custom-accordion .accordion-body {
            padding: 0 20px 20px 20px;
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.8;
            border-top: 1px solid #EFF4F7;
        }

        @media (max-width: 767.98px) {
            .custom-accordion .accordion-button {
                font-size: 15px;
                padding: 16px 16px;
            }

            .custom-accordion .accordion-body {
                padding: 0 16px 16px 16px;
                font-size: 14px;
            }
        }

        /* ========== CTA ========== */
        .cta-section {
            position: relative;
            background: var(--dark-bg);
            padding: 80px 0;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(27, 111, 168, 0.25), transparent 60%);
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            color: #fff;
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-inner p {
            color: var(--dark-text);
            font-size: 16px;
            margin-bottom: 32px;
        }

        .btn-group-custom {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            padding: 12px 32px;
            border-radius: 40px;
            border: none;
            transition: var(--transition);
            cursor: pointer;
            line-height: 1.5;
            min-height: 44px;
        }

        .btn-accent:hover {
            background: var(--accent-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(23, 184, 196, 0.4);
        }

        .btn-outline-light-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--dark-text);
            font-size: 16px;
            font-weight: 600;
            padding: 12px 32px;
            border-radius: 40px;
            border: 1.5px solid rgba(156, 184, 204, 0.5);
            cursor: pointer;
            transition: var(--transition);
            line-height: 1.5;
            min-height: 44px;
        }

        .btn-outline-light-custom:hover {
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 255, 255, 0.1);
        }

        .btn-accent:focus-visible,
        .btn-outline-light-custom:focus-visible {
            outline: 2px solid rgba(23, 184, 196, 0.5);
            outline-offset: 2px;
        }

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

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

            .btn-group-custom {
                flex-direction: column;
                align-items: stretch;
                max-width: 300px;
                margin: 0 auto;
            }

            .btn-accent,
            .btn-outline-light-custom {
                justify-content: center;
            }
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--dark-bg);
            color: var(--dark-text);
            padding: 64px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 40px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
        }

        .footer-brand span:first-child {
            font-size: 26px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
        }

        .footer-badge {
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 999px;
        }

        .footer-about {
            font-size: 14px;
            line-height: 1.7;
            max-width: 380px;
            margin-bottom: 0;
        }

        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-links,
        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

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

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

        .footer-contact li {
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-contact i {
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(156, 184, 204, 0.2);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
        }

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

        @media (max-width: 575.98px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

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

/* roulang page: category2 */
:root {
  --primary: #1B6FA8;
  --primary-dark: #145A8C;
  --secondary: #4A9FC4;
  --accent: #17B8C4;
  --bg-body: #F4F8FB;
  --bg-card: #FFFFFF;
  --text-title: #1F2937;
  --text-body: #4B5563;
  --text-muted: #9CA3AF;
  --border-color: #E5EDF1;
  --danger: #DC2626;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --shadow-sm: 0 4px 12px rgba(27,111,168,0.06);
  --shadow-md: 0 8px 24px rgba(27,111,168,0.08);
  --shadow-lg: 0 12px 32px rgba(27,111,168,0.16);
  --font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --section-gap: 96px;
  --section-gap-mobile: 64px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-family);
  background-color: var(--bg-body);
  color: var(--text-body);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: all 0.25s ease; }
button, input, select, textarea { font-family: inherit; }
ul, ol { list-style: none; }

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

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border-color);
  padding: 0;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  position: relative;
}

.nav-left, .nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link-custom {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-body);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  position: relative;
  letter-spacing: 0.02em;
  transition: all 0.25s ease;
}

.nav-link-custom:hover {
  color: var(--primary);
  background: rgba(27,111,168,0.06);
}

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

.nav-link-custom.active::after {
  content: '';
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 0;
  height: 2px;
  background: var(--primary);
  border-radius: var(--radius-pill);
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 14px;
  border-radius: var(--radius-md);
  transition: all 0.25s ease;
}

.site-logo:hover { background: rgba(27,111,168,0.04); }

.logo-text {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-title);
  letter-spacing: 0.02em;
}

.logo-badge {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  line-height: 1.4;
  letter-spacing: 0.08em;
}

.navbar-toggler-custom {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  color: var(--text-title);
  padding: 6px 10px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.navbar-toggler-custom:hover { color: var(--primary); background: rgba(27,111,168,0.06); }

/* Mobile Offcanvas */
.offcanvas {
  background: var(--bg-body);
  max-width: 320px;
}

.offcanvas-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
}

.offcanvas-title {
  display: flex;
  align-items: center;
  gap: 8px;
}

.offcanvas-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav-link {
  display: block;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-body);
  padding: 14px 12px;
  border-radius: var(--radius-md);
  border-bottom: 1px solid rgba(229,237,241,0.6);
  transition: all 0.2s ease;
}

.mobile-nav-link:hover { color: var(--primary); background: rgba(27,111,168,0.04); }
.mobile-nav-link.active { color: var(--primary); background: rgba(27,111,168,0.08); }

.btn-close {
  filter: none;
  opacity: 0.6;
}

.btn-close:hover { opacity: 1; }

/* ===== Hero ===== */
.category-hero {
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  min-height: 32vh;
  display: flex;
  align-items: center;
  position: relative;
}

.category-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(244,248,251,0.94) 0%, rgba(244,248,251,0.78) 50%, rgba(244,248,251,0.5) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 60px 0;
  max-width: 720px;
}

.hero-content .kicker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  background: rgba(27,111,168,0.08);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}

.category-hero h1 {
  font-size: 42px;
  font-weight: 800;
  color: var(--text-title);
  line-height: 1.2;
  margin-bottom: 14px;
}

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

.category-hero .hero-desc {
  font-size: 16px;
  color: var(--text-body);
  line-height: 1.75;
  margin-bottom: 0;
  max-width: 640px;
}

/* ===== Page Sections ===== */
.section-padding { padding: var(--section-gap) 0; }

.section-title-wrap { margin-bottom: 48px; }

.section-title-wrap .sub-title {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  background: rgba(27,111,168,0.06);
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.section-title-wrap h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-title);
  line-height: 1.3;
  margin-bottom: 0;
}

.section-title-wrap p { color: var(--text-body); margin-top: 10px; max-width: 560px; }

/* ===== Activity Tabs ===== */
.activity-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 48px;
}

.activity-tab {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-body);
  background: #fff;
  border: 1px solid var(--border-color);
  padding: 10px 24px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.25s ease;
  letter-spacing: 0.02em;
}

.activity-tab:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(27,111,168,0.03);
  transform: translateY(-2px);
}

.activity-tab.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 6px 16px rgba(27,111,168,0.18);
}

/* ===== Activity Cards ===== */
.activity-grid .col { margin-bottom: 32px; }

.activity-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: all 0.35s ease;
}

.activity-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: rgba(27,111,168,0.2);
}

.activity-media {
  position: relative;
  height: 200px;
  overflow: hidden;
}

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

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

.activity-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(255,255,255,0.94);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 999px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  z-index: 2;
  backdrop-filter: blur(4px);
}

.activity-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.activity-body h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 10px;
  line-height: 1.4;
}

.activity-body .activity-desc {
  font-size: 14px;
  color: var(--text-body);
  line-height: 1.65;
  flex: 1;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.activity-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  font-size: 13px;
  color: var(--text-muted);
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
}

.activity-meta i { color: var(--secondary); margin-right: 4px; }

.activity-meta .meta-date {
  display: inline-flex;
  align-items: center;
}

.activity-meta .meta-people {
  display: inline-flex;
  align-items: center;
  margin-left: auto;
}

/* ===== Process Section ===== */
.process-section {
  background: linear-gradient(180deg, #EDF5FA 0%, #F4F8FB 100%);
}

.process-section .section-title-wrap { text-align: center; }
.process-section .section-title-wrap p { margin-left: auto; margin-right: auto; }

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

.process-step {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: all 0.3s ease;
}

.process-step:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.process-number {
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  margin: 0 auto 18px;
  position: relative;
  z-index: 1;
}

.process-step::before {
  content: '';
  position: absolute;
  top: 44px;
  left: calc(50% + 36px);
  width: calc(100% - 72px);
  height: 2px;
  background: var(--border-color);
  z-index: 0;
}

.process-step:last-child::before { display: none; }

.process-step h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 10px;
}

.process-step p {
  font-size: 14px;
  color: var(--text-body);
  line-height: 1.6;
  margin-bottom: 0;
}

/* ===== Stats Section ===== */
.stats-section {
  background: #fff;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

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

.stat-item {
  padding: 24px 12px;
}

.stat-number {
  font-size: 44px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 600;
}

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

.faq-section .section-title-wrap { text-align: center; }

.faq-accordion {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  margin-bottom: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

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

.faq-item + .faq-item { border-top: 1px solid var(--border-color); }

.faq-header {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 22px 28px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-title);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  transition: all 0.25s ease;
}

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

.faq-header .faq-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  min-width: 28px;
  border-radius: 50%;
  background: rgba(27,111,168,0.08);
  color: var(--primary);
  font-size: 16px;
  line-height: 1;
  transition: all 0.3s ease;
}

.faq-item.open .faq-header { color: var(--primary); }
.faq-item.open .faq-icon {
  background: var(--primary);
  color: #fff;
  transform: rotate(45deg);
}

.faq-body {
  padding: 0 28px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.open .faq-body {
  padding: 0 28px 22px;
  max-height: 300px;
}

.faq-body p {
  font-size: 14px;
  color: var(--text-body);
  line-height: 1.7;
  margin-bottom: 0;
}

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, #1B6FA8 0%, #2A8ABF 55%, #17B8C4 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
}

.cta-section::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -80px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
}

.cta-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 72px 0;
}

.cta-inner h2 {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
}

.cta-inner p {
  font-size: 16px;
  color: rgba(255,255,255,0.9);
  max-width: 600px;
  margin: 0 auto 32px;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  color: var(--primary);
  font-size: 16px;
  font-weight: 700;
  padding: 14px 40px;
  border-radius: 40px;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.2);
  color: var(--primary-dark);
  background: #f8fbff;
}

.btn-cta:focus-visible {
  outline: 2px solid rgba(255,255,255,0.7);
  outline-offset: 3px;
}

/* ===== Footer ===== */
.site-footer {
  background: #0F2A40;
  color: #9CB8CC;
  padding-top: 64px;
  padding-bottom: 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-brand > span:first-child {
  font-size: 24px;
  font-weight: 800;
  color: #fff;
}

.footer-badge {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 999px;
  letter-spacing: 0.06em;
}

.footer-about {
  font-size: 14px;
  line-height: 1.7;
  color: #9CB8CC;
  max-width: 320px;
  margin-bottom: 0;
}

.footer-title {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}

.footer-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

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

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

.footer-links a {
  font-size: 14px;
  color: #9CB8CC;
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover { color: #fff; }

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

.footer-contact li {
  font-size: 14px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-contact i { color: var(--accent); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 20px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  font-size: 13px;
  color: #7A9BB3;
}

/* ===== Responsive ===== */
@media (max-width: 991px) {
  .nav-left, .nav-right { display: none !important; }
  .navbar-toggler-custom { display: inline-flex; }
  .site-logo { position: static; transform: none; }
  .nav-wrap { justify-content: space-between; }
  
  .category-hero { min-height: 46vh; }
  .category-hero h1 { font-size: 32px; }
  
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .process-step::before { display: none; }
  
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 767px) {
  .section-padding { padding: var(--section-gap-mobile) 0; }
  
  .category-hero { min-height: 50vh; }
  .category-hero h1 {
    font-size: 26px;
    line-height: 1.25;
  }
  
  .hero-content { padding: 40px 0; }
  
  .activity-tabs { gap: 8px; }
  .activity-tab { padding: 8px 18px; font-size: 13px; }
  
  .activity-grid .col-6 {
    flex: 0 0 100%;
    max-width: 100%;
  }
  
  .activity-body h3 { font-size: 18px; }
  
  .process-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  
  .cta-inner { padding: 48px 0; }
  .cta-inner h2 { font-size: 24px; }
  
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 520px) {
  .category-hero h1 { font-size: 24px; }
  .section-title-wrap h2 { font-size: 26px; }
  
  .activity-tab { flex: 0 0 auto; }
  
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-number { font-size: 32px; }
  
  .activity-media { height: 180px; }
  
  .faq-header { padding: 18px 20px; font-size: 15px; }
  .faq-body { padding: 0 20px; }
  .faq-item.open .faq-body { padding: 0 20px 18px; }
}

@media (max-width: 992px) {
  .activity-grid .col-lg-6 { flex: 0 0 100%; max-width: 100%; }
}

/* roulang page: category3 */
:root {
      --bg-page: #F4F8FB;
      --bg-card: #FFFFFF;
      --primary: #1B6FA8;
      --primary-dark: #155b8a;
      --secondary: #4A9FC4;
      --accent: #17B8C4;
      --accent-hover: #14a5b0;
      --text-title: #1F2937;
      --text-body: #4B5563;
      --text-muted: #9CA3AF;
      --border: #E5EDF1;
      --danger: #DC2626;
      --radius-lg: 16px;
      --radius-md: 12px;
      --radius-btn: 8px;
      --radius-pill: 999px;
      --shadow-card: 0 8px 24px rgba(27, 111, 168, 0.08);
      --shadow-hover: 0 12px 32px rgba(27, 111, 168, 0.16);
      --section-space: 96px;
      --font-main: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
    }
    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: var(--font-main);
      background: var(--bg-page);
      color: var(--text-body);
      line-height: 1.75;
      margin: 0;
      padding: 0;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }
    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
      color: var(--text-title);
      margin: 0 0 12px;
      font-weight: 700;
      line-height: 1.3;
    }
    p {
      margin: 0 0 16px;
    }
    a {
      color: var(--primary);
      text-decoration: none;
      transition: color 0.2s ease;
    }
    a:hover {
      color: var(--primary-dark);
    }
    img {
      max-width: 100%;
      height: auto;
    }
    ul {
      padding: 0;
      margin: 0;
      list-style: none;
    }
    .container {
      max-width: 1200px;
      padding-left: 20px;
      padding-right: 20px;
    }
    .section {
      padding: var(--section-space) 0;
    }

    /* ===== 导航 ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1050;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(6px);
      -webkit-backdrop-filter: blur(6px);
      border-bottom: 1px solid var(--border);
    }
    .nav-container {
      position: relative;
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 72px;
      gap: 12px;
    }
    .nav-left,
    .nav-right {
      display: flex;
      align-items: center;
      gap: 28px;
      flex: 1;
    }
    .nav-right {
      justify-content: flex-end;
    }
    .nav-link-custom {
      position: relative;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-body);
      padding: 8px 2px;
      letter-spacing: 0.02em;
      transition: color 0.2s ease;
    }
    .nav-link-custom:hover {
      color: var(--primary);
    }
    .nav-link-custom.active {
      color: var(--primary);
    }
    .nav-link-custom.active::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      height: 2px;
      border-radius: 2px;
      background: var(--primary);
    }
    .navbar-brand {
      position: absolute;
      left: 50%;
      transform: translateX(-50%);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      z-index: 2;
    }
    .brand-text {
      font-size: 22px;
      font-weight: 800;
      color: var(--text-title);
      letter-spacing: 0.02em;
      white-space: nowrap;
    }
    .brand-badge {
      display: inline-block;
      background: var(--accent);
      color: #fff;
      font-size: 12px;
      font-weight: 700;
      padding: 2px 10px;
      border-radius: var(--radius-pill);
      letter-spacing: 0.08em;
      line-height: 1.6;
    }
    .navbar-toggler {
      border: none;
      background: transparent;
      color: var(--text-title);
      font-size: 26px;
      line-height: 1;
      padding: 6px 10px;
      border-radius: 8px;
      transition: background 0.2s ease;
    }
    .navbar-toggler:hover {
      background: rgba(27, 111, 168, 0.08);
    }
    .navbar-toggler:focus {
      outline: none;
      box-shadow: 0 0 0 3px rgba(27, 111, 168, 0.25);
    }
    .mobile-nav {
      background: #fff;
      width: 280px;
    }
    .mobile-nav .offcanvas-header {
      border-bottom: 1px solid var(--border);
      padding: 20px;
    }
    .mobile-nav .brand-text {
      font-size: 20px;
    }
    .mobile-nav .offcanvas-body {
      padding: 20px;
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .mobile-nav .nav-link-custom {
      display: block;
      font-size: 18px;
      padding: 14px 12px;
      border-bottom: 1px solid #f0f5f8;
      border-radius: 10px;
    }
    .mobile-nav .nav-link-custom.active {
      background: #EEF5FA;
      color: var(--primary);
    }

    @media (max-width: 991.98px) {
      .nav-left,
      .nav-right {
        display: none;
      }
      .nav-container {
        justify-content: flex-start;
      }
      .navbar-toggler {
        order: -1;
        margin-right: 4px;
      }
      .navbar-brand {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
      }
    }

    /* ===== 矮 Hero ===== */
    .page-hero {
      position: relative;
      min-height: 30vh;
      display: flex;
      align-items: center;
      padding: 72px 0 56px;
      background: linear-gradient(90deg, rgba(244, 248, 251, 0.94), rgba(244, 248, 251, 0.72)), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
      border-bottom: 1px solid var(--border);
    }
    .page-hero-content {
      position: relative;
      z-index: 2;
      max-width: 900px;
      text-align: center;
      margin: 0 auto;
    }
    .hero-breadcrumb {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.8);
      border: 1px solid var(--border);
      border-radius: var(--radius-pill);
      padding: 6px 18px;
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 24px;
    }
    .hero-breadcrumb a {
      color: var(--primary);
      font-weight: 500;
    }
    .hero-breadcrumb i {
      font-size: 12px;
      color: var(--text-muted);
    }
    .page-hero h1 {
      font-size: 38px;
      font-weight: 800;
      color: var(--text-title);
      margin-bottom: 16px;
      letter-spacing: 0.02em;
    }
    .page-hero-content > p {
      font-size: 16px;
      color: var(--text-body);
      max-width: 760px;
      margin: 0 auto 24px;
      line-height: 1.8;
    }
    .hero-actions {
      display: flex;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
    }
    @media (max-width: 767.98px) {
      .page-hero {
        padding: 56px 0 40px;
      }
      .page-hero h1 {
        font-size: 28px;
      }
      .page-hero-content > p {
        font-size: 15px;
      }
      .hero-actions {
        flex-direction: column;
        align-items: center;
      }
      .hero-actions .btn {
        width: 100%;
        max-width: 280px;
      }
    }

    /* ===== 按钮 ===== */
    .btn {
      border-radius: var(--radius-btn);
      font-weight: 600;
      padding: 12px 28px;
      transition: all 0.2s ease;
      border: 2px solid transparent;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-size: 15px;
      line-height: 1.5;
      text-decoration: none;
      cursor: pointer;
      white-space: nowrap;
    }
    .btn:focus-visible {
      outline: none;
      box-shadow: 0 0 0 2px rgba(23, 184, 196, 0.5);
    }
    .btn-primary-custom {
      background: var(--primary);
      color: #fff;
      border-color: var(--primary);
    }
    .btn-primary-custom:hover {
      background: var(--primary-dark);
      border-color: var(--primary-dark);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(27, 111, 168, 0.2);
    }
    .btn-secondary-custom {
      background: transparent;
      color: var(--primary);
      border-color: var(--primary);
    }
    .btn-secondary-custom:hover {
      background: var(--primary);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(27, 111, 168, 0.16);
    }
    .btn-accent-custom {
      background: var(--accent);
      color: #fff;
      border-color: var(--accent);
    }
    .btn-accent-custom:hover {
      background: var(--accent-hover);
      border-color: var(--accent-hover);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(23, 184, 196, 0.25);
    }
    .btn-outline-custom {
      background: transparent;
      color: var(--primary);
      border-color: var(--primary);
    }
    .btn-outline-custom:hover {
      background: var(--primary);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(27, 111, 168, 0.16);
    }
    .btn-light-custom {
      background: rgba(255, 255, 255, 0.9);
      color: var(--primary);
      border-color: rgba(255, 255, 255, 0.5);
    }
    .btn-light-custom:hover {
      background: #fff;
      color: var(--primary-dark);
      transform: translateY(-2px);
    }

    /* ===== 区块头 ===== */
    .section-header {
      margin-bottom: 48px;
    }
    .section-header.text-center {
      text-align: center;
    }
    .section-tag {
      display: inline-block;
      background: #E4F2F8;
      color: var(--primary);
      font-size: 13px;
      font-weight: 700;
      padding: 5px 16px;
      border-radius: var(--radius-pill);
      letter-spacing: 0.04em;
      margin-bottom: 14px;
    }
    .section-header h2 {
      font-size: 30px;
      font-weight: 800;
      color: var(--text-title);
      margin-bottom: 12px;
    }
    .section-header p {
      font-size: 16px;
      color: var(--text-body);
      max-width: 560px;
      margin: 0 auto;
    }
    @media (max-width: 767.98px) {
      .section {
        padding: 64px 0;
      }
      .section-header {
        margin-bottom: 36px;
      }
      .section-header h2 {
        font-size: 24px;
      }
    }

    /* ===== 权益卡片 ===== */
    .benefit-cards {
      background: var(--bg-page);
    }
    .benefit-card {
      display: flex;
      flex-direction: column;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      transition: box-shadow 0.3s ease, transform 0.3s ease;
      height: 100%;
    }
    .benefit-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-2px);
    }
    .benefit-card-img {
      position: relative;
      height: 200px;
      overflow: hidden;
    }
    .benefit-card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.4s ease;
    }
    .benefit-card:hover .benefit-card-img img {
      transform: scale(1.04);
    }
    .img-badge {
      position: absolute;
      left: 16px;
      top: 16px;
      background: rgba(255, 255, 255, 0.94);
      color: var(--primary);
      font-size: 13px;
      font-weight: 700;
      padding: 4px 14px;
      border-radius: var(--radius-pill);
      box-shadow: 0 4px 12px rgba(27, 111, 168, 0.12);
      backdrop-filter: blur(4px);
    }
    .benefit-card-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }
    .benefit-card-body h3 {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 10px;
    }
    .benefit-card-body p {
      font-size: 15px;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 20px;
      flex: 1;
    }
    .text-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 15px;
      font-weight: 600;
      color: var(--primary);
    }
    .text-link i {
      transition: transform 0.2s ease;
    }
    .text-link:hover {
      color: var(--primary-dark);
    }
    .text-link:hover i {
      transform: translateX(4px);
    }
    @media (max-width: 767.98px) {
      .benefit-card-img {
        height: 180px;
      }
      .benefit-card-body {
        padding: 20px;
      }
      .benefit-card-body h3 {
        font-size: 18px;
      }
    }

    /* ===== 方案对比 ===== */
    .plan-section {
      background: #EEF4F8;
    }
    .plan-row {
      align-items: stretch;
      margin-top: 8px;
    }
    .plan-card {
      position: relative;
      background: var(--bg-card);
      border: 2px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 32px 28px;
      display: flex;
      flex-direction: column;
      height: 100%;
      transition: box-shadow 0.3s ease, transform 0.3s ease;
    }
    .plan-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-2px);
    }
    .plan-card.recommended {
      border-color: var(--primary);
      box-shadow: 0 12px 32px rgba(27, 111, 168, 0.14);
      transform: translateY(-6px);
      z-index: 2;
    }
    .plan-card.recommended:hover {
      transform: translateY(-8px);
      box-shadow: 0 16px 40px rgba(27, 111, 168, 0.18);
    }
    .plan-badge {
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--accent);
      color: #fff;
      font-size: 13px;
      font-weight: 700;
      padding: 4px 20px;
      border-radius: var(--radius-pill);
      letter-spacing: 0.04em;
      white-space: nowrap;
    }
    .plan-header {
      text-align: center;
      padding-bottom: 20px;
      border-bottom: 1px solid var(--border);
      margin-bottom: 20px;
    }
    .plan-header h3 {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .plan-price {
      font-size: 36px;
      font-weight: 800;
      color: var(--text-title);
      line-height: 1.2;
      font-variant-numeric: tabular-nums;
      margin-bottom: 4px;
    }
    .plan-price span {
      font-size: 14px;
      font-weight: 400;
      color: var(--text-muted);
      margin-left: 2px;
    }
    .plan-list {
      flex: 1;
      margin-bottom: 24px;
    }
    .plan-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 15px;
      color: var(--text-body);
      padding: 8px 0;
      line-height: 1.5;
    }
    .plan-list li i {
      color: var(--accent);
      font-size: 18px;
      line-height: 1.4;
    }
    .plan-card .btn {
      width: 100%;
    }
    @media (max-width: 991.98px) {
      .plan-card.recommended {
        transform: translateY(0);
      }
      .plan-card.recommended:hover {
        transform: translateY(-4px);
      }
    }
    @media (max-width: 767.98px) {
      .plan-card {
        padding: 24px 20px;
        margin-bottom: 24px;
      }
      .plan-card.recommended {
        transform: none;
        margin-top: 0;
      }
      .plan-card.recommended:hover {
        transform: translateY(-2px);
      }
      .plan-list li {
        font-size: 14px;
      }
    }

    /* ===== FAQ ===== */
    .faq-section {
      background: var(--bg-page);
    }
    .custom-accordion {
      border-radius: var(--radius-lg);
      overflow: hidden;
    }
    .custom-accordion .accordion-item {
      background: var(--bg-card);
      border: none;
      border-bottom: 1px solid var(--border);
    }
    .custom-accordion .accordion-item:last-child {
      border-bottom: none;
    }
    .custom-accordion .accordion-button {
      font-size: 16px;
      font-weight: 600;
      color: var(--text-title);
      background: transparent;
      padding: 20px 24px;
      box-shadow: none;
      border: none;
      border-radius: 0;
      transition: color 0.2s ease;
      position: relative;
      gap: 14px;
    }
    .custom-accordion .accordion-button:not(.collapsed) {
      color: var(--primary);
      background: #F7FBFE;
    }
    .custom-accordion .accordion-button:focus {
      box-shadow: none;
    }
    .custom-accordion .accordion-button::after {
      display: none;
    }
    .custom-accordion .accordion-button::before {
      content: "+";
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 26px;
      height: 26px;
      background: #E4F2F8;
      color: var(--primary);
      border-radius: 50%;
      font-size: 18px;
      font-weight: 700;
      line-height: 1;
      flex-shrink: 0;
      transition: transform 0.3s ease, background 0.3s ease;
    }
    .custom-accordion .accordion-button:not(.collapsed)::before {
      transform: rotate(45deg);
      background: var(--accent);
      color: #fff;
    }
    .custom-accordion .accordion-body {
      padding: 0 24px 20px 64px;
      font-size: 15px;
      color: var(--text-body);
      line-height: 1.75;
    }
    @media (max-width: 575.98px) {
      .custom-accordion .accordion-body {
        padding: 0 18px 18px 48px;
      }
      .custom-accordion .accordion-button {
        padding: 16px 18px;
        font-size: 15px;
      }
    }

    /* ===== CTA ===== */
    .cta-section {
      background: var(--text-title);
      background-image: url('/assets/images/backpic/back-1.png');
      background-size: cover;
      background-position: center;
      padding: 80px 0;
      position: relative;
    }
    .cta-section::before {
      content: "";
      position: absolute;
      inset: 0;
      background: rgba(31, 41, 55, 0.88);
    }
    .cta-section .container {
      position: relative;
      z-index: 2;
    }
    .cta-inner {
      text-align: center;
      max-width: 640px;
      margin: 0 auto;
    }
    .cta-inner h2 {
      color: #fff;
      font-size: 32px;
      font-weight: 800;
      margin-bottom: 14px;
    }
    .cta-inner > p {
      color: rgba(255, 255, 255, 0.85);
      font-size: 16px;
      margin-bottom: 28px;
    }
    .cta-buttons {
      display: flex;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 20px;
    }
    .cta-note {
      color: rgba(255, 255, 255, 0.6);
      font-size: 13px;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .cta-note i {
      font-size: 14px;
    }
    @media (max-width: 767.98px) {
      .cta-section {
        padding: 64px 0;
      }
      .cta-inner h2 {
        font-size: 26px;
      }
      .cta-buttons {
        flex-direction: column;
        align-items: center;
      }
      .cta-buttons .btn {
        width: 100%;
        max-width: 280px;
      }
    }

    /* ===== 页脚 ===== */
    .site-footer {
      background: #0F2A40;
      color: #9CB8CC;
      padding: 64px 0 0;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr;
      gap: 48px;
      padding-bottom: 40px;
    }
    .footer-brand {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 12px;
    }
    .footer-brand > span:first-child {
      font-size: 20px;
      font-weight: 800;
      color: #fff;
      letter-spacing: 0.02em;
    }
    .footer-badge {
      display: inline-block;
      background: var(--accent);
      color: #fff;
      font-size: 12px;
      font-weight: 700;
      padding: 2px 10px;
      border-radius: var(--radius-pill);
      line-height: 1.6;
    }
    .footer-about {
      font-size: 14px;
      line-height: 1.8;
      color: #9CB8CC;
      margin: 0;
      max-width: 360px;
    }
    .footer-title {
      color: #fff;
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 16px;
    }
    .footer-links li,
    .footer-contact li {
      margin-bottom: 10px;
      font-size: 14px;
    }
    .footer-links a {
      color: #9CB8CC;
      transition: color 0.2s ease;
    }
    .footer-links a:hover {
      color: #fff;
    }
    .footer-contact li {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .footer-contact i {
      color: var(--secondary);
      font-size: 15px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding: 20px 0;
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 8px;
      font-size: 13px;
      color: #7A96A8;
    }
    @media (max-width: 991.98px) {
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
      }
      .footer-grid > div:first-child {
        grid-column: 1 / -1;
      }
    }
    @media (max-width: 575.98px) {
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }

    /* ===== Bootstrap 覆盖 ===== */
    .btn {
      --bs-btn-active-bg: var(--primary-dark);
      --bs-btn-active-border-color: var(--primary-dark);
    }
    .btn:focus,
    .btn:active:focus {
      outline: none;
      box-shadow: 0 0 0 2px rgba(23, 184, 196, 0.5);
    }
    .offcanvas {
      --bs-offcanvas-border-color: var(--border);
    }

    /* ===== 动画与辅助 ===== */
    .text-center {
      text-align: center;
    }
    .mt-auto {
      margin-top: auto;
    }
    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
      }
    }